Eccentric temporary support with balance weight

Abstract

The eccentric temporary support with the balance weight comprises a bearing plate arranged on a bearing face, a supporting frame arranged on the bearing plate and a bearing beam arranged on the supporting frame and used for bearing a precast beam, the length of the bearing beam is larger than that of the supporting frame, one end of the bearing beam extends out of the supporting frame, and the bearing beam is used for bearing the precast beam; the bearing plate is further provided with a balance weight structure, and the balance weight structure is used for improving the stability of the temporary support. The temporary support has the effect that the temporary support for supporting the precast beam is erected near a building.

Description

Technical Field

[0001] The utility model relates to the field of temporary brackets, in particular to an eccentric temporary bracket with a counterweight. Background Art

[0002] A bridge generally refers to a structural building built across rivers, lakes, and seas to allow vehicles, pedestrians, etc. to pass smoothly. In order to adapt to the modern high-speed development of the transportation industry, bridges are also extended to buildings that cross mountain streams, poor geology or meet other traffic needs to make travel more convenient. Among them, the main beam refers to the beam in the superstructure that supports various loads and transfers them to piers and abutments. It is one of the main bearing structures of the bridge. In the construction of the main beam of the bridge, for a river-crossing bridge, when the river channel is an important transportation channel, the suspended casting method is usually adopted to ensure that its navigation capacity is not affected. For approach bridges and overpasses, when the foundation is good, the bracket cast-in-place method is usually adopted. When it is too costly to treat the foundation, prefabricated beams are usually used, that is, prefabricated beams are prefabricated in the beam yard, and after prefabrication, they are transported to the installation location for installation by transportation equipment. After the beam casting is completed or before installation, the beam needs to be placed on a temporary bracket for drying, solidification and turnover; to support the temporary bracket, the bracket foundation is a reusable bracket foundation support block formed by casting a steel bracket foundation. When in use, the temporary bracket foundation needs to be moved and rotated according to the change of the placement position of the beam body.

[0003] Since the prefabricated beams need to be erected on the piers before being connected, temporary brackets need to be erected between the piers to temporarily support the prefabricated beams. The beam body usually needs to be built in different environments according to the design route. The existing brackets are usually set on the bearing surface and erected between the piers, and are set directly under the bridge to support the prefabricated beams. When the beam body crosses the building wall and other building structures, the existing brackets are difficult to erect, so there is still room for improvement. Utility Model Content

[0004] In order to erect a temporary support for supporting prefabricated beams near a building, the present application provides an eccentric temporary support with a counterweight.

[0005] The present application provides an eccentric temporary support with a counterweight, which adopts the following technical solution:

[0006] An eccentric temporary support with a counterweight comprises a load-bearing plate arranged on a bearing surface, a support frame arranged on the load-bearing plate, and a supporting beam arranged on the support frame for supporting a prefabricated beam, wherein the length of the supporting beam is longer than the length of the support frame and one end of the supporting beam extends out of the support frame, and the supporting beam is used to support the prefabricated beam; the load-bearing plate is also provided with a counterweight structure, and the counterweight structure is used to increase the stability of the temporary support.

[0007] By adopting the above technical solution, by setting the supporting beam to extend out of the supporting frame and support the prefabricated beam, the supporting frame is set away from the bottom of the prefabricated beam, thereby avoiding the building directly under the prefabricated beam, reducing the work of demolishing the building to set up the temporary support. At the same time, by setting a counterweight structure on the load-bearing plate, the stability of the temporary support is improved, and the gravity direction of the prefabricated beam is reduced from deviating from the top of the supporting frame, which makes the temporary support easy to collapse.

[0008] Preferably, the bearing surface is provided with a plurality of reinforcing screws, and the load-bearing plate is provided with a plurality of reinforcing holes, and the plurality of reinforcing holes are used to connect the plurality of reinforcing screws of the bearing surface and thereby reinforce the connection between the support frame and the load-bearing plate.

[0009] By adopting the above technical solution, the load-bearing plate is sleeved on the reinforcing screw rod through the reinforcement hole, and the load-bearing plate is fixed to the bearing surface by using nuts, so as to further improve the stability of the temporary support.

[0010] Preferably, the support frame is composed of a plurality of opposite column frames, each of the column frames is provided with a supporting beam, and the plurality of column frames are fixedly connected.

[0011] By adopting the above technical solution, the support frame is composed of a plurality of column frames, and a supporting beam is arranged on each column frame, so that the area of ​​the temporary support supporting the prefabricated beam is increased, and the situation that a single supporting beam is easily bent when supporting the prefabricated beam is reduced, which is conducive to protecting the temporary support. At the same time, the support frame is divided into a plurality of column frames for installation, which is conducive to improving the efficiency of installing the support frame on the load-bearing plate.

[0012] Preferably, the column frame is detachably provided with a connecting pipe, the connecting pipe is fixed to the column frame by bolts and nuts, and several column frames are connected by the connecting pipe.

[0013] By adopting the above technical solution, the column frames are connected by setting a connecting pipe, so that the pressure on each column frame is transmitted through the connecting pipe, which is conducive to further improving the stability of the temporary support. The connecting pipe is fixed to the column frame by bolts and nuts, so that the connecting pipe can be detached and installed, which is convenient for recycling of the connecting pipe.

[0014] Preferably, the column frame is provided with an oblique brace, one end of the oblique brace is connected to the column frame, and the other end of the oblique brace is connected to the supporting beam.

[0015] By adopting the above technical solution, the two ends of the diagonal brace are used to connect the column frame and the supporting beam respectively, so that there is a supporting structure at the bottom of the end of the supporting beam away from the column frame, thereby increasing the upper limit of the bearing capacity of the supporting beam and improving the stability of the supporting beam.

[0016] Preferably, the column frame is also detachably provided with a right-angled triangle plate, and two sides of the right angle of the right-angled triangle plate are fixed to the column frame and the supporting beam respectively by using bolts and nuts.

[0017] By adopting the above technical solution, the column frame and the supporting beam are connected by a right-angled triangle plate, so that the rigidity of the connection between the supporting beam and the column frame is increased and bending is not allowed, and the stability of the temporary support is further improved. The right-angled triangle plate is fixed to the column frame and the supporting beam by bolts and nuts, which is convenient for installation and reuse of the right-angled triangle plate.

[0018] Preferably, the counterweight structure includes a fixing rod arranged on the load-bearing plate and a plurality of counterweight blocks detachably arranged on the load-bearing plate, the plurality of counterweight blocks are all provided with fixing holes, and the plurality of counterweight blocks are mounted on the fixing rod through the fixing holes.

[0019] By adopting the above technical solution, the counterweight structure is set to a plurality of counterweight blocks and fixing rods, so that the temporary support can set the weight of the counterweight block according to the weight of the prefabricated beam to be supported, which is convenient for reasonably controlling the gravity of the counterweight block and reducing the work of hoisting multiple counterweight blocks. At the same time, the fixing rod is used to fix the counterweight block to reduce the sliding of the counterweight block during the construction process.

[0020] Preferably, the fixing rod is provided with an external thread, and the fixing rod is used for threaded connection with a nut.

[0021] By adopting the above technical solution and using nuts to fix the counterweight block, the stability of the counterweight block during construction is further improved, and the safety hazards caused by the sliding of the counterweight block are reduced.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. By setting the supporting beam to extend out of the support frame and support the precast beam, the support frame is set away from the bottom of the precast beam, thereby avoiding the building directly under the precast beam, reducing the work of demolishing the building to set up the temporary support. At the same time, by setting the counterweight structure, the gravity direction of the precast beam is reduced from deviating from the top of the support frame, which makes the temporary support easy to collapse.

[0024] 2. By setting diagonal braces and right-angled triangle plates, a supporting structure is provided at the bottom of the end of the supporting beam away from the column frame, thereby increasing the upper limit of the load-bearing capacity of the supporting beam and improving the stability of the supporting beam; at the same time, the rigidity of the connection between the supporting beam and the column frame is increased and bending is not allowed, further improving the stability of the temporary support. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of an eccentric temporary support with a counterweight according to an embodiment of the application.

[0026] Figure 2 yes Figure 1 Enlarged view of part A in the middle.

[0027] Description of reference numerals:

[0028] 1. Bearing surface; 11. Load-bearing plate; 12. Reinforcement screw; 2. Counterweight structure; 21. Counterweight block; 22. Fixing rod; 3. Column frame; 31. Column tube; 311. End flange; 312. First clamping plate; 32. Structural tube; 33. Connecting tube; 34. Connecting flange; 4. Diagonal brace; 41. Support flange; 5. Support beam; 51. Top flange; 52. Second clamping plate; 6. Right-angle triangle plate. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-2 This application is described in further detail.

[0030] The present application embodiment discloses an eccentric temporary support with a counterweight. Figure 1 The eccentric temporary support with counterweight comprises a load-bearing plate 11 detachably mounted on the load-bearing surface 1, a support frame detachably mounted on the load-bearing plate 11, and a supporting beam 5 detachably mounted on the support frame, wherein the supporting beam 5 is used to support the prefabricated beam; a counterweight structure 2 for increasing the stability of the temporary support is also provided on the load-bearing plate 11. A plurality of reinforcing screws 12 are pre-embedded in the load-bearing surface 1. In this embodiment, there are two rows of reinforcing screws 12, and each row of reinforcing screws 12 has three screws. The load-bearing plate 11 is in the shape of a rectangular plate, and a plurality of reinforcing holes (not shown in the figure) are opened on the load-bearing plate 11. There are two rows of reinforcing holes, which are respectively located at both ends of the load-bearing plate 11 along the length direction, and each row of reinforcing holes has three screws, and the six reinforcing holes are respectively sleeved on the six reinforcing screws 12, and each reinforcing screw 12 is threadedly connected with a nut, so that the load-bearing plate 11 is fixed on the load-bearing surface 1.

[0031] Reference Figure 1 In this embodiment, the load-bearing structure includes a fixing rod 22 fixed on the load-bearing plate 11 and three counterweights 21 placed on the load-bearing plate 11. There are two fixing rods 22. Both fixing rods 22 are located on one side of the load-bearing plate 11 along the width direction. The two fixing rods 22 are distributed along the length direction of the load-bearing plate 11. The fixing rods 22 are provided with external threads. Each counterweight 21 is provided with two fixing holes (not shown in the figure), and two fixing holes are provided that are opposite to the two fixing holes on different counterweights 21 and form two groups of opposite fixing holes. The two fixing rods 22 are respectively located in the two groups of fixing holes, so that the three counterweights 21 can be detachably installed on the load-bearing plate 11; and each fixing rod 22 is threadedly connected with a nut, so that the counterweight 21 is fixed to the load-bearing plate 11.

[0032] Reference Figure 1The bearing plate 11 is also fixed with a number of connecting bolts for connecting the support frame. The support frame is composed of a number of opposite column frames 3. In this embodiment, each support frame is composed of two column frames 3. The column frame 3 is composed of two column tubes 31 installed on the bearing plate 11 and fixedly connected by nuts and connecting bolts, and a structural tube 32 for connecting the column tubes 31. The end of the column tube 31 is provided with an end flange 311, and the connecting bolt is inserted into the end flange 311. The connecting bolt is also threadedly connected with a nut for fixing the end flange 311 of the column tube 31 to the bearing plate 11, so that the column tube 31 can be detachably installed on the bearing plate 11, thereby making the column frame 3 detachably installed on the bearing plate 11. The end of the structural tube 32 and the outer wall of the column tube 31 are both fixed with connecting flanges 34. The connecting flange 34 of the structural tube 32 and the connecting flange 34 of the column tube 31 are fixed by bolts and nuts, so that the structural tube 32 can be detachably installed on the column tube 31.

[0033] Reference Figure 1 The column frame 3 can also be detachably mounted with a connecting pipe 33 for connecting the column tubes 31 on different column frames 3 and facing each other, and a connecting flange 34 is fixed to the end of the connecting pipe 33. The connecting flange 34 of the connecting pipe 33 and the connecting flange 34 of the column tube 31 are fixed by bolts and nuts, so that the connecting pipe 33 can be detachably mounted on the column tube 31. The facing column tubes 31 are fixedly connected by three connecting pipes 33, and the three connecting pipes 33 are evenly distributed along the axial direction of the column tube 31, thereby reinforcing the support frame.

[0034] Reference Figure 1 A supporting beam 5 is detachably mounted on the top of each column frame 3. The length of the supporting beam 5 is longer than the length of the support frame, and the support frame is located at one end of the supporting beam 5, so that the support frame is erected near the building, so that the prefabricated beam can be installed above the building. A top flange 51 is fixed to the bottom of the supporting beam 5. The top flange 51 of the supporting beam 5 and the end flange 311 at the top of the column tube 31 are fixed by bolts and nuts, so that the supporting beam 5 can be detachably mounted on the column frame 3.

[0035] Reference Figure 1 The column frame 3 can also be detachably installed with a diagonal brace 4, and a supporting flange 41 is fixed to the end of the diagonal brace 4. The supporting flange 41 of the diagonal brace 4 and the connecting flange 34 of the column tube 31 and the top flange 51 of the supporting beam 5 are fixed by bolts and nuts, so that the diagonal brace 4 can be detachably installed on the column frame 3.

[0036] Reference Figure 1 as well as Figure 2The column frame 3 is fixed with a first clamping plate 312, there are four first clamping plates 312, and two first clamping plates 312 form a group, and the two first clamping plates 312 in the same group face each other, and the two groups of first clamping plates 312 are respectively located on the side away from each other of the two column tubes 31 and at one end of the column tube 31 close to the supporting beam 5. A second clamping plate 52 is also fixed to the bottom of the supporting beam 5, there are four second clamping plates 52, and two second clamping plates 52 form a group, and the two second clamping plates 52 in the same group face each other, and the two groups of second clamping plates 52 are respectively located on both sides of the column frame 3 and close to the two groups of first clamping plates 312.

[0037] Reference Figure 1 as well as Figure 2 The column frame 3 can also be detachably installed with two right-angled triangle plates 6, which are respectively inserted into the adjacent first clamping plate 312 of the same group and the second clamping plate 52 of the same group, and the two sides of the right angle of the right-angled triangle plate 6 are respectively fixed to the first clamping plate 312 and the second clamping plate 52 by bolts and nuts, thereby strengthening the connection between the column frame 3 and the supporting beam 5.

[0038] The implementation principle of an eccentric temporary support with a counterweight in the embodiment of the present application is:

[0039] First, the load-bearing plate 11 is hoisted onto the load-bearing surface 1, and the load-bearing plate 11 is fixed to the load-bearing surface 1 by reinforcing screws 12 and nuts; then, the column tube 31 is hoisted onto the load-bearing plate 11, and the end flange 311 is fixed to the load-bearing plate 11 by nuts and connecting bolts, so that the column tube 31 is fixed to the load-bearing plate 11; then, the column tube 31 is connected with the structural tube 32, and the connecting flange 34 of the connecting tube 33 and the connecting flange 34 of the structural tube 32 are fixed by bolts and nuts to form a column frame 3; then, the adjacent and opposite column frames 3 are connected and fixed by the connecting tube 33, and the connecting flange 34 of the connecting tube 33 and the connecting flange 34 of the column tube 31 are fixed by bolts and nuts to form a support frame.

[0040] Then, the counterweight 21 is hoisted onto the bearing plate 11, and the fixing rod 22 is screwed into the nut to fix the counterweight 21 onto the bearing plate 11. Next, the supporting beam 5 is hoisted onto the fixing frame, and the end flange 311 of the column tube 31 and the top flange 51 of the supporting beam 5 are fixed by bolts; then, the diagonal brace 4 is hoisted onto the column frame 3, and the supporting flange 41 of the diagonal brace 4 and the connecting flange 34 of the column tube 31 are fixed by bolts and nuts, and the supporting flange 41 of the diagonal brace 4 and the top flange 51 of the supporting beam 5 are fixed.

[0041] Finally, the right-angled triangle plate 6 is installed on the column frame 3, and the two sides of the right angle of the right-angled triangle plate 6 are fixed to the first clamping plate 312 and the second clamping plate 52 respectively by bolts and nuts.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An eccentric temporary support with a counterweight, characterized in that: The invention comprises a load-bearing plate (11) arranged on a bearing surface (1), a support frame arranged on the load-bearing plate (11), and a supporting beam (5) arranged on the support frame for supporting a prefabricated beam, wherein the supporting beam (5) is longer than the supporting frame and one end of the supporting beam extends out of the support frame, and the supporting beam (5) is used to support the prefabricated beam; the load-bearing plate (11) is also provided with a counterweight structure (2), and the counterweight structure (2) is used to increase the stability of the temporary support.

2. The eccentric temporary support with counterweight according to claim 1, characterized in that: The bearing surface (1) is provided with a plurality of reinforcing screws (12), and the load-bearing plate (11) is provided with a plurality of reinforcing holes, and the plurality of reinforcing holes are used to connect the plurality of reinforcing screws (12) of the bearing surface (1) and thereby reinforce the connection between the support frame and the load-bearing plate (11).

3. An eccentric temporary support with a counterweight according to claim 2, characterized in that: The support frame is composed of a plurality of opposite column frames (3), each of the column frames (3) is provided with a supporting beam (5), and the plurality of column frames (3) are fixedly connected.

4. The eccentric temporary support with counterweight according to claim 3, characterized in that: The column frame (3) is detachably provided with a connecting pipe (33), the connecting pipe (33) is fixed to the column frame (3) by bolts and nuts, and a plurality of the column frames (3) are connected by the connecting pipe (33).

5. An eccentric temporary support with a counterweight according to any one of claims 3-4, characterized in that: The column frame (3) is provided with an oblique brace (4), one end of the oblique brace (4) is connected to the column frame (3), and the other end is connected to the supporting beam (5).

6. An eccentric temporary support with a counterweight according to claim 5, characterized in that: The column frame (3) is also provided with a right-angled triangular plate (6) in a detachable manner, and the two sides of the right angle of the right-angled triangular plate (6) are respectively fixed to the column frame (3) and the supporting beam (5) by using bolts and nuts.

7. The eccentric temporary support with counterweight according to claim 1, characterized in that: The counterweight structure (2) comprises a fixing rod (22) arranged on the load-bearing plate (11) and a plurality of counterweight blocks (21) detachably arranged on the load-bearing plate (11), wherein the plurality of counterweight blocks (21) are all provided with fixing holes, and the plurality of counterweight blocks (21) are sleeved on the fixing rod (22) through the fixing holes.

8. An eccentric temporary support with a counterweight according to claim 7, characterized in that: The fixing rod (22) is provided with an external thread, and the fixing rod (22) is used for threaded connection with a nut.

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