Adjustable side for slip form
阅读：196发布：2021-12-20
专利汇可以提供Adjustable side for slip form专利检索，专利查询，专利分析的服务。并且Automatically adjustable side skirts for the working tool such as a slip form or mule shoe of curb laying machines are disclosed to mitigate or prevent edge slump as the tool traverses grade deviations along the path of travel. One or a pair of vertically adjustable support means control the elevation of the side skirt through one or a pair of grade sensing shoes that contact the grade as the machine progresses. Means responsive to the movement of the grade sensing shoes cause the support means to extend or retract and thus form a retaining sidewall passing through the grade deviation which holds the concrete in place across the deviation. In one embodiment a single skirt is controlled by a single extensible member that is pivotally attached to the skirt at an approximate point of balance. In another embodiment a single skirt is controlled by a pair of longitudinaly spaced extensible members that are pivotally attached at spaced points on the skirt.，下面是Adjustable side for slip form专利的具体信息内容。
1. A slip form for transport by a machine over a grade to lay a continuous layer of formable material therealong comprising: an elongated form member adapted to be supported from said machine with its longitudinal axis extending along the path of travel; said form member having laterally spaced sidewalls depending from an enclosing top wall; said sidewalls having bottom edge portions defining the lateral limits of said continuous layer; a skirt member associated with and contiguous to the outside bottom edge portion of one of said sidewalls; vertically adjustable support means extending from said machine and carrying said skirt member for vertical movement independent of said one side wall of said form member; power means provided by said machine for actuating said support means; and sensor means carried by said machine and operatively controlling said power means to raise and lower said skirt member; said sensor means being slideably engageable with said grade along and contiguous to said skirt member; said sensor means being responsive to the depressions in said grade and operative to provide a control signal to actuate said power means and move said skirt member along the contours of said depressions.
2. A slip form in accordance with claim 1 in which, said vertically adjustable support means includes means pivotally supporting said skirt member on an axis transverse the longitudinal axis of said slip form.
3. A slip form in accordance with claim 1 including, a pair of said vertically adjustable support means each pivotally supporting said skirt member on spaced axes transverse the longitudinal axes of said slip form.
4. A slip form in accordance with claim 1 including, guide means cooperating with said vertically adjustable support means, said guide means comprising a bracket member supporting a vertical guide post parallel to and spaced from said bottom edge portion of said one sidewall, and said skirt member being positioned in sliding relationship between said guide post and said bottom edge portion.
5. A slip form in accordance with claim 1 including: a second skirt member associated with and contiguous to the outside bottom edge portion of the other of said sidewalls; vertically adjustable support means extending from said machine and carrying said second skirt member for vertical movement independent of said side wall; power means provided by said machine for actuating said second support member; and sensor means carried by said machine and operatively controlling said power means to raise and lower said second skirt member; said sensor means being slideably engageable with said grade along and contiguous to said second skirt member and being repsonsive to the depressions in the grade on said other side of said sidewall to actuate said power means and move said second skirt member along the contours of said depressions.
6. A slip form for transport by a concrete laying machine over a grade to lay a continuous layer of formed concrete therealong comprising: an elongated form member adapted to be supported from said machine with its longitudinal axis extending Along the path of travel; said form member having laterally spaced vertical sidewalls depending from an enclosing top wall; said sidewalls having bottom edge portions defining the lateral limits of said formed continuous layer; a skirt member operably associated with the outside bottom edge of one of said sidewalls; vertically operable support means extending from said machine and carrying said skirt member on a transverse pivotal axis; power means provided by said machine for actuating said support means; a grade sensing shoe member carried by said skirt member and controlling said power means to raise and lower said skirt member; said grade sensing shoe member being pivotally mounted on a transverse axis from said skirt member in the plane of the transverse axes of said support means; and said grade sensing shoe member having a length substantially equal to the length of said skirt member.
7. A slip form in accordance with claim 6 in which the pivotal axis of said skirt member and the pivotal axis of said vertically adjustable support means are coplanar.
8. A slip form in accordance with claim 6 in which, said support means comprises a hydraulic ram and said power means comprises a source of hydraulic pressure connected thereto, a two-way valve controlling said source of hydraulic pressure having a plunger member depending therefrom, and said grade sensing shoe is pivotally attached to the lower end of said plunger.
9. A slip form for transport by a concrete laying machine over a grade to lay a continuous layer of formed concrete therealong comprising: an elongated form member adatped to be supported from said machine with its longitudinal axis extending along the path of travel, said form member having laterally spaced vertical sidewalls depending from an enclosing top wall, said sidewalls having bottom edges defining the lateral limits of said formed continuous layer, a skirt member operably associated with the outside bottom edge of one of said sidewalls, a pair of vertically adjustable support means carrying said skirt member on longitudinally spaced transverse pivotal axes, power means for individually actuating said support means, and a grade sensing shoe controlling said power means to independently actuate said respective support means, said grade sensing shoes being pivotally mounted on transverse axes in the plane of the respective transverse axes from said skirt member of said support means, the combined lengths of said grade sensing shoes being less than the length of said skirt member.
10. A slip form in accordance with claim 9 in which, guide means are included cooperating with each of said vertically adjustable support means to maintain said skirt members in parallel sliding relationship with said sidewalls.
11. A slip form for transport by a machine over a grade to lay a continuous layer of formable material therealong comprising: an elongated form member adapted to be supported from said machine with its longitudinal axis extending along the path of travel; said form member having laterally spaced sidewalls; a skirt member associated with and contiguous to a bottom edge portion of one of said sidewalls; vertically adjustable support means extending from said machine and carrying said skirt member for vertical movement independent of said one sidewall of said form member; power means provided by said machine for actuating said support means; and sensor means carried by said skirt member and controlling said power means to raise and lower said skirt member; said sensor means being operatively engageable with a grade reference to provide a control signal to actuate said power means.
12. A slip form in accordance with claim 11 in which, said vertically adjustable support means includes means pivotally supporting said skirt member on an axis transverse the longitudinal axis of said slip form.
13. A slip form in accordance with claim 11 including, a pair of said vertically adjustable support means each pivotally supporting said skirt member on spaced axes transverse the longitudinal axes of said slip form.
14. A slip form in accordance with claim 11 including, a second skirt member associated with and contiguous to the outside bottom edge portion of the other of said sidewalls, vertically adjustable support means carrying said second skirt member, and power means for actuating said second support member.
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