Temporary steel corbel for coal bunker top construction

Abstract

The utility model relates to the technical field of coal bunker top construction, and discloses a coal bunker top construction temporary steel corbel which comprises an I-shaped supporting beam, fixing plates are symmetrically arranged at the upper end and the lower end of the supporting beam, and each fixing plate is movably connected with the supporting beam. In an initial state, the fixing plate is tightly attached to the surface of the supporting beam; inclined slope surfaces are symmetrically arranged at the opposite ends of the two fixing plates, and a driving block is movably arranged between the upper slope surface and the lower slope surface. Wherein the driving block can be adjusted in the length direction of the supporting beam, the upper side and the lower side of the driving block are each provided with a driving inclined face, and the inclination of the driving inclined faces is the same as that of the slope face; according to the utility model, the steel corbel and the reserved square hole of the coal bunker can be quickly positioned and mounted, meanwhile, the dismounting convenience is improved, the structure is simple, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of coal bunker roof construction, in particular to a temporary steel bracket for coal bunker roof construction. Background Art

[0002] In the prior art, when constructing the coal bunker roof, it is usually necessary to set up an outer double-row frame and an inner full-height frame on the bunker roof to meet the needs of constructing the bunker roof structure. Since this erection method is labor-intensive and cumbersome to operate, many companies adopt the method of reserving a square hole on the coal bunker wall below the bunker roof when the coal bunker is constructed to the lower part of the bunker roof. After removing the mold or sliding the membrane in the square hole, a temporary steel corbel is inserted for support. Scaffolding and external protection can be set up on the steel corbel outside the bunker, and the scaffolding is used to construct the bunker wall and the bunker roof ring beam. The fulcrum of the bunker roof support system can be set up on the steel corbel inside the bunker, thereby realizing the safe and rapid erection of the support structure.

[0003] However, the steel corbels used in the above method are usually simple I-beam structures. In order to ensure the rapid installation of the steel corbels and the square holes, the size of the steel corbels is usually smaller than the size of the square holes. After the steel corbels are connected to the square holes, the gaps between the square holes and the steel corbels are filled with steel plates to ensure the stability of the steel corbels. However, the method of reinforcing the steel corbels by filling with steel plates has the following problems: first, after the steel plates are filled between the steel corbels and the square holes by external force, they are inconvenient to be taken out, which makes it more difficult to disassemble the steel corbels later. Secondly, it is difficult to ensure that the steel corbels are placed in the center of the square holes, which brings certain difficulties to the leveling during use. Utility Model Content

[0004] The purpose of the utility model is to provide a temporary steel corbel for coal bunker roof construction, which can realize the rapid positioning and installation of the steel corbel and the reserved square hole of the coal bunker, and at the same time improve the convenience of disassembly, with simple structure and strong practicality.

[0005] The utility model adopts the following technical solutions:

[0006] A temporary steel corbel for coal bunker roof construction comprises an I-shaped support beam, wherein fixed plates are symmetrically arranged at the upper and lower ends of the support beam, each of the fixed plates is movably connected to the support beam, and in an initial state, the fixed plates are tightly attached to the surface of the support beam; inclined slopes are symmetrically arranged at opposite ends of two fixed plates, and a driving block is movably arranged between the upper and lower slopes; wherein the driving block can be adjusted along the length direction of the support beam, and driving inclined surfaces are arranged on the upper and lower sides of the driving block, and the inclination of the driving inclined surface is the same as that of the slope surface.

[0007] Preferably, an adjusting screw is threadedly provided on one side of the support beam, and the adjusting screw is rotatably connected to the driving block.

[0008] Preferably, a driving cap is provided at the end of the adjusting screw, and a driving groove is provided at the end of the driving cap.

[0009] Preferably, the fixing plate is elastically connected to the supporting beam.

[0010] Preferably, a guide rod is provided on the side of the fixing plate away from the slope, the guide rod is movably located in the space on the side of the support beam, and a buffer spring connected to the support beam is provided on the outer fixing sleeve of the guide rod.

[0011] Preferably, each of the fixed plates is provided with clamping plates on both sides, and the clamping plates are movably located in an adjustment groove opened on the support beam, and the adjustment groove is opened on a side close to the guide rod; the bottom of the clamping plate extends to the space on the side of the support beam through the adjustment groove; a threaded rod is vertically arranged on the guide rod, and the clamping plate is arranged on the threaded rod through a nut.

[0012] Preferably, a connecting plate which can be adjusted in the vertical direction is provided at the bottom of the guide rod, and the threaded rod is provided at both ends of the connecting plate.

[0013] Preferably, a threaded hole is provided on the guide rod, a bolt rod is threadedly connected to the threaded hole, and the connecting plate is sleeved on the outside of the bolt rod.

[0014] Preferably, reinforcing ribs are provided in the spaces on both sides of the support beam.

[0015] Preferably, rubber gaskets are provided on one end of the fixing plate away from the supporting beam and on opposite sides of the two clamping plates.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model can synchronously push out the two fixed plates movably arranged on the upper and lower sides of the support beam by adjusting the driving block, so that the end surface of the fixed plate away from the driving block is tightly abutted against the inner wall of the square hole opened on the coal bin, thereby realizing rapid positioning and installation of the support beam and improving the convenience of operation; by reversely adjusting the driving block, the driving block is moved out from between the upper and lower fixed plates, at which time the two fixed plates lose their supporting force, which facilitates the movement of the two fixed plates to the middle position of the support beam, so that the support beam can be disassembled and removed from the square hole, thereby improving the convenience of disassembling the support beam from the square hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of an embodiment of the present application;

[0018] Figure 2 This is a schematic diagram of the local structure of one side of a guide rod provided in an embodiment of the present application. DETAILED DESCRIPTION

[0019] The following is a clear and complete description of the present invention in conjunction with the accompanying drawings and embodiments:

[0020] like Figure 1 to Figure 2 As shown, a temporary steel corbel for coal bunker roof construction described in the utility model comprises an I-shaped support beam 1, and fixed plates 2 are symmetrically arranged at the upper and lower ends of the support beam 1, and rubber gaskets are arranged on the end surfaces of the fixed plates 2 away from the support beam 1 to increase the tightness of subsequent connection with the square hole; each fixed plate 2 is movably connected to the support beam 1, and in the initial state, the fixed plate 2 is tightly attached to the surface of the support beam 1, and at this time, the vertical distance between the two fixed plates 2 is less than the opening height of the square hole, so that the support beam 1 can be smoothly installed during installation; inclined slopes 3 are symmetrically arranged at the opposite ends of the two fixed plates 2, and the slope 3 is located in the space on one side of the support beam 1, and a driving block 4 is movably arranged between the upper and lower slopes 3; wherein the driving block 4 can be adjusted along the length direction of the support beam 1, and driving inclined surfaces 5 are arranged on the upper and lower sides of the driving block 4, and the driving inclined surfaces 5 have the same inclination as the slope 3. During operation, as the driving block 4 is pushed to move along the direction of the support beam 1, the driving inclined surface 5 will contact the slope 3 of the fixed plate 2, and gradually push out the upper and lower fixed plates 2 synchronously to achieve close contact with the inner wall of the square hole, which can ensure that the support beam 1 is installed in the center of the square hole, providing a stable foundation for the subsequent construction of the support frame on the support beam 1. When disassembling, it is only necessary to adjust the driving block 4 in the reverse direction. At this time, the support force between the upper and lower fixed plates 2 is lost. When the support beam 1 is pulled, the two fixed plates 2 will move toward the middle of the support beam 1 when encountering resistance, releasing the space occupied by the outside, so as to facilitate removal from the square hole and improve the convenience of operation.

[0021] Furthermore, an adjusting screw 6 is threadedly provided on one side of the support beam 1, and the adjusting screw 6 is rotatably connected to the driving block 4. By rotating the adjusting screw 6, the driving block 4 can be pushed to move along the length direction of the support beam 1, thereby realizing the adjustment operation of the fixing plate 2. The structure is simple and the operation is easy. In addition, in this embodiment, a driving cap 7 is provided at the end of the adjusting screw 6, and a driving groove is provided at the end of the driving cap 7, so that it is convenient to use an electric wrench to drive the adjusting screw 6 to rotate, thereby improving the convenience of operation. Among them, the driving cap 7 and the driving groove are both polygonal structures, so as to match different joints of the electric wrench and expand its application range.

[0022] Furthermore, in this embodiment, the fixing plate 2 is elastically connected to the support beam 1, so that when it is subsequently disassembled, the fixing plate 2 can automatically reset under the elastic restoring force; specifically, a guide rod 8 is provided on the side of the fixing plate 2 away from the slope 3, and the guide rod 8 passes through the top of the support beam 1 and is movably located in the space on the side of the support beam 1. A buffer spring 9 is fixedly sleeved on the outside of the guide rod 8 and is fixedly connected to the inner top wall of one side of the support beam 1. A limit plate 10 is provided at the bottom of the guide rod 8, and the bottom end of the buffer spring 9 is fixed on the limit plate 10.

[0023] Furthermore, each fixing plate 2 is provided with a clamping plate 11 on both sides, and rubber gaskets are provided on the opposite end surfaces of the two clamping plates 11. The clamping plates 11 are movably located in the adjustment slot 12 provided on the support beam 1, and the adjustment slot 12 is provided on the side close to the guide rod 8; the bottom of the clamping plate 11 extends to the space on the side of the support beam 1 through the adjustment slot 12; a threaded rod 13 is vertically provided on the guide rod 8, and the clamping plate 11 is provided on the threaded rod 13 through a nut. In the initial state, the height of the upper and lower clamping plates 11 is greater than the height between the two fixing plates 2, but less than the inner wall of the square hole, so as to ensure the smooth installation of the support beam 1; the setting of the clamping plates 11 facilitates the clamping plates 11 to move upward synchronously with the outward movement of the fixing plates 2, so that the clamping plates 11 are clamped on the coal bunker walls on both sides of the inside and outside of the square hole, further enhancing the stability of the support beam 1 after installation. The clamping plate 11 is arranged on the threaded rod 13 , and the distance between the left and right clamping plates 11 on the same side can be adjusted by adjusting the nut, so as to achieve tight clamping between the clamping plate 11 and the coal bunker wall.

[0024] In addition, a connecting plate 14 that can be adjusted in the vertical direction is provided at the bottom of the guide rod 8, and the threaded rod 13 is provided at both ends of the connecting plate 14; the vertical adjustment of the connecting plate 14 can increase the contact area between the clamping plate 11 and the coal bunker wall, and enhance the limiting effect of the clamping plate 11; specifically, a threaded hole is provided on the guide rod 8, and a bolt rod 15 is threadedly connected in the threaded hole, and the connecting plate 14 is sleeved on the outside of the bolt rod 15. By rotating the bolt rod 15, the clamping plate 11 can be pushed up, and then the contact position between the clamping plate 11 and the coal bunker wall can be adjusted, thereby enhancing its flexibility of use. In the utility model, reinforcing ribs 16 are also provided in the space on both sides of the support beam 1 to enhance the structural strength of the support beam 1 and ensure the stability of the steel bracket during construction.

[0025] When the utility model is in use, the support beam 1 is firstly passed through the square hole opened on the coal bunker wall to both sides inside and outside the coal bunker. At this time, it is necessary to ensure that the length of the support beam 1 located on the outer wall of the coal bunker is two meters, and the length located on the inner side of the coal bunker is not less than one meter; then the adjusting screw 6 is rotated to push the driving block 4 to move, so as to realize the ejection of the fixed plate 2 and complete the close connection between the support beam 1 and the square hole; finally, the height and horizontal position of the clamping plate 11 are adjusted to realize the close contact between the clamping plate 11 and the inner and outer walls of the coal bunker. The utility model has a simple structure, is easy to operate and has strong practicality.

Claims

1. A temporary steel bracket for coal bunker roof construction, characterized by: It comprises an I-shaped support beam, wherein fixing plates are symmetrically arranged at the upper and lower ends of the support beam, each of the fixing plates is movably connected to the support beam, and in an initial state, the fixing plates are tightly attached to the surface of the support beam; inclined slopes are symmetrically arranged at opposite ends of the two fixing plates, and a driving block is movably arranged between the upper and lower slopes; wherein the driving block can be adjusted along the length direction of the support beam, and driving inclined surfaces are arranged on the upper and lower sides of the driving block, and the inclination of the driving inclined surface is the same as that of the slope surface.

2. The temporary steel bracket for coal bunker roof construction according to claim 1 is characterized by: An adjusting screw is threadedly arranged on one side of the support beam, and the adjusting screw is rotatably connected to the driving block.

3. The temporary steel bracket for coal bunker roof construction according to claim 2 is characterized by: The end of the adjusting screw rod is provided with a driving cap, and the end of the driving cap is provided with a driving groove.

4. The temporary steel bracket for coal bunker roof construction according to claim 1 is characterized by: The fixing plate is elastically connected to the supporting beam.

5. The temporary steel bracket for coal bunker roof construction according to claim 4 is characterized by: A guide rod is arranged on one side of the fixing plate away from the slope surface. The guide rod is movably located in the space on the side of the support beam, and a buffer spring connected to the support beam is arranged on the outer fixing sleeve of the guide rod.

6. The temporary steel bracket for coal bunker roof construction according to claim 5 is characterized by: Each of the fixed plates is provided with clamping plates on both sides, and the clamping plates are movably located in an adjustment groove opened on the support beam, and the adjustment groove is opened on a side close to the guide rod; the bottom of the clamping plate extends to the space on the side of the support beam through the adjustment groove; a threaded rod is vertically arranged on the guide rod, and the clamping plate is arranged on the threaded rod through a nut.

7. The temporary steel bracket for coal bunker roof construction according to claim 6 is characterized by: A connecting plate which can be adjusted in the vertical direction is arranged at the bottom of the guide rod, and the threaded rod is arranged at both ends of the connecting plate.

8. The temporary steel bracket for coal bunker roof construction according to claim 7 is characterized by: A threaded hole is provided on the guide rod, a bolt rod is threadedly connected to the threaded hole, and the connecting plate is sleeved on the outside of the bolt rod.

9. The temporary steel bracket for coal bunker roof construction according to claim 1 is characterized by: Reinforcement ribs are arranged in the spaces on both sides of the support beam.

10. The temporary steel bracket for coal bunker roof construction according to claim 6 is characterized by: Rubber gaskets are arranged on one end of the fixing plate away from the supporting beam and on the opposite sides of the two clamping plates.

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