Special device for replacing bridge suspender

Abstract

The utility model relates to the technical field of bridge accessory devices, in particular to a special device for replacing a bridge suspender, which temporarily supports an arch rib through automatic adjustment, is convenient for a worker to replace the suspender and reduces the labor intensity of the worker, thereby improving the working efficiency and effect of replacing the suspender. Therefore, the practicability of the special device for replacing the bridge suspender is enhanced. Comprising a bottom plate and a moving assembly, and further comprises a fixing plate, four sets of supporting rods, a jack, a power mechanism, two sets of supporting plates, two sets of first sliding blocks, four sets of mounting rods, a connecting plate, a mounting plate, a fixing block, an ejector rod, a buffering assembly, a supporting assembly and a fixing assembly. The bottom of the fixing plate is evenly connected with the tops of the four supporting rods, reserved holes are formed in the top of the fixing plate, the bottom of the jack is connected with the top of the bottom plate, and the bottoms of the two supporting plates are connected with the left end and the right end of the top of the fixing plate respectively.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge attachment devices, in particular to a special device for replacing bridge hangers. Background Art

[0002] As we all know, as an important force transmission component in the bridge structure, the hanger transfers the vertical load of the bridge deck structure to the suspension cable, main tower or arch rib, which can greatly reduce the bending moment of the main beam and improve the spanning capacity of the main beam. The change of the internal force of the hanger is directly related to the load distribution form of the bridge, and has a great impact on the safety of the bridge structure. As the bridge ages, the hanger may suffer from fatigue, corrosion or anchor failure. Therefore, the staff often need to use a special hanger replacement device to replace the hanger;

[0003] When using an existing special device for replacing a hanger rod, workers often need to manually adjust the device so that the device temporarily supports the arch rib and then supports it, and then disassembles it. However, it is found that the existing special device for replacing a hanger rod cannot be automatically adjusted during use, which increases the labor intensity of the workers and reduces the work efficiency and effect of replacing the hanger rod, resulting in poor practicality. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a special device for replacing bridge hangers, which can temporarily support the arch ribs through automatic adjustment, facilitate the staff to replace the hangers, reduce the labor intensity of the staff, thereby improving the work efficiency and effect of replacing the hangers, and thus enhancing the practicality.

[0005] The utility model discloses a special device for replacing a bridge suspender, comprising a base plate and a moving assembly, wherein the moving assembly is evenly arranged at the bottom of the base plate, and further comprising a fixed plate, four groups of support rods, a jack, a power mechanism, two groups of support plates, two groups of first sliding blocks, four groups of mounting rods, a connecting plate, a mounting plate, a fixed block, a top rod, a buffer assembly, a supporting assembly and a fixing assembly, wherein the top of the base plate is evenly connected to the bottoms of the four groups of support rods, the bottom of the fixed plate is evenly connected to the tops of the four groups of support rods, a reserved hole is arranged at the top of the fixed plate, the bottom of the jack is connected to the top of the base plate, the bottoms of the two groups of support plates are respectively connected to the left end and the right end of the top of the fixed plate, and the bottoms of one end of the two groups of support plates The parts are respectively connected to one end of two groups of mounting rods, and the other ends of the four groups of mounting rods are respectively connected to one end of the top of the fixed plate, one end of the two groups of support plates is respectively provided with a group of slide grooves, and the two groups of first sliding blocks are respectively slidably connected to the support plate slide grooves, the left end and the right end of the connecting plate are respectively connected to one end of a group of first sliding blocks, the top output end of the jack passes through the reserved hole of the fixed plate and is connected to the bottom of the connecting plate, a power mechanism is provided at the left end of the jack, the top of the connecting plate is connected to the bottom of the mounting plate through a buffer assembly, a fixing block is provided at the top of the mounting plate, a groove is provided at the top of the fixing block, the fixing block groove is clamped by the fixing assembly and the bottom of the top rod, and support assemblies are evenly arranged at the bottom of the bottom plate.

[0006] Preferably, the buffer assembly includes a support block, a top plate, two groups of second sliders, multiple groups of telescopic rods and multiple groups of connecting springs. The top of the connecting plate is connected to the bottom of the support block, a groove is provided at the top of the support block, and a group of slide grooves are respectively provided at the left and right ends of the support block groove, the two groups of second sliders are respectively slidably connected to the slide grooves, and the left and right ends of the top plate are respectively connected to one end of a group of second sliders, the top plate and the support block groove are slidably fitted, the top of the top plate is connected to the bottom of the mounting plate, the bottom of the support block groove is evenly connected to the bottom of the multiple groups of telescopic rods, the tops of the multiple groups of telescopic rods are respectively connected to the bottom of the top plate, and a group of connecting springs are respectively provided on the outsides of the multiple groups of telescopic rods.

[0007] Preferably, the fixing assembly comprises two groups of connecting screws, two groups of arc splints, two groups of third sliding blocks and two groups of clamping blocks, a sliding groove is provided at the bottom of the fixing block groove, the two groups of third sliding blocks are respectively slidably connected to the fixing block groove, the tops of the two groups of third sliding blocks are respectively connected to the bottoms of a group of arc splints, a group of threaded holes are respectively provided at the left and right ends of the fixing block groove, one ends of the two groups of connecting screws are respectively threadedly connected to the fixing block groove through the threaded holes, one ends of the two groups of connecting screws are respectively rotatably connected to one end of the arc splints, the other ends of the two groups of arc splints are respectively provided with a group of clamping blocks, the bottom of the push rod is slidably fitted in the fixing block groove, a group of clamping grooves are respectively provided at the bottoms of the left and right ends of the push rod, and one ends of the two groups of clamping blocks are respectively clamped with the clamping grooves and one end of the push rod.

[0008] Preferably, the supporting assembly includes four groups of slides, four groups of supports, four groups of pressure plates and four groups of fastening screws. Four groups of slides are evenly arranged on the bottom of the base plate. The bottoms of the four groups of slides are respectively provided with grooves. The tops of the four groups of supports are respectively slidably connected to the slide grooves. One end of the four groups of slides is respectively provided with a group of threaded holes. The four groups of fastening screws are respectively threadedly connected to the slides through the threaded holes, and one end of the four groups of fastening screws is respectively tightened against one end of the supports.

[0009] Preferably, a group of anti-skid pads are also included, and the bottoms of the four groups of pressure plates are respectively connected to the tops of a group of anti-skid pads.

[0010] Preferably, it also includes a hand-held handle, and a group of hand-held handles are arranged on the left end of the fixed plate.

[0011] Compared with the prior art, the beneficial effect of the special device for replacing bridge hangers of the utility model is as follows: the staff moves the mobile component to a suitable position, and then adjusts the supporting component for support, and then the staff starts the jack through the power mechanism, so that the top output end of the jack drives the connecting plate to rise and fall through the two groups of first sliders, so that the top rod is raised and lowered until the top of the top rod and the bottom of the arch rib are tightly pressed, and then the staff starts to replace the hanger. Through automatic adjustment, the arch rib is temporarily supported, which is convenient for the staff to replace the hanger, reduces the labor intensity of the staff, thereby improving the work efficiency and effect of replacing the hanger, and thus enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 It is a front view structural cross-sectional schematic diagram of the utility model;

[0014] Figure 3 It is a partial structure enlarged schematic diagram of A of the utility model;

[0015] Markings in the accompanying drawings: 1. base plate; 2. moving assembly; 3. fixed plate; 4. support rod; 5. jack; 6. power mechanism; 7. support plate; 8. first slider; 9. mounting rod; 10. connecting plate; 11. mounting plate; 12. fixed block; 13. push rod; 14. support block; 15. top plate; 16. second slider; 17. telescopic rod; 18. connecting spring; 19. connecting screw; 20. arc splint; 21. third slider; 22. block; 23. slide cylinder; 24. support; 25. pressure plate; 26. tightening screw; 27. anti-slip pad; 28. hand-held handle. DETAILED DESCRIPTION

[0016] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0017] like Figures 1 to 3 As shown, a special device for replacing a bridge suspender of the utility model comprises a bottom plate 1 and a moving assembly 2. The moving assembly 2 is evenly arranged at the bottom of the bottom plate 1, and also comprises a fixing plate 3, four groups of support rods 4, a jack 5, a power mechanism 6, two groups of support plates 7, two groups of first slide blocks 8, four groups of mounting rods 9, a connecting plate 10, a mounting plate 11, a fixing block 12, a top rod 13, a buffer assembly, a supporting assembly and a fixing assembly. The top of the bottom plate 1 is evenly connected to the bottom of the four groups of support rods 4, and the bottom of the fixing plate 3 is evenly connected to the four groups of support rods 4. The top of the two support rods 4 is connected, the top of the fixed plate 3 is provided with a reserved hole, the bottom of the jack 5 is connected to the top of the bottom plate 1, the bottoms of the two support plates 7 are respectively connected to the left and right ends of the top of the fixed plate 3, and the bottoms of one end of the two support plates 7 are respectively connected to one end of the two mounting rods 9, and the other ends of the four mounting rods 9 are respectively connected to one end of the top of the fixed plate 3, and one end of the two support plates 7 is respectively provided with a group of slide grooves, and the two groups of first sliders 8 are respectively slidably connected to the slide grooves of the support plates 7, and the left and right ends of the connecting plate 10 are respectively connected to a group of The first slider 8 is connected at one end, and the top output end of the jack 5 passes through the reserved hole of the fixing plate 3 and is connected to the bottom of the connecting plate 10. The left end of the jack 5 is provided with a power mechanism 6. The top of the connecting plate 10 is connected to the bottom of the mounting plate 11 through a buffer assembly. A fixing block 12 is provided on the top of the mounting plate 11. A groove is provided on the top of the fixing block 12. The groove of the fixing block 12 is clamped by the fixing assembly and the bottom of the push rod 13. The bottom of the bottom plate 1 is evenly provided with a supporting assembly; the staff moves the moving assembly to a suitable position, and then adjusts the supporting assembly for support. Then the staff starts the jack through the power mechanism, so that the top output end of the jack drives the connecting plate to rise and fall through the two groups of first sliders, so that the push rod is raised and lowered until the top of the push rod and the bottom of the arch rib are pressed tightly. Then the staff starts to replace the suspension rod. The arch rib is temporarily supported by automatic adjustment, which is convenient for the staff to replace the suspension rod and reduces the labor intensity of the staff, thereby improving the work efficiency and effect of replacing the suspension rod, thereby enhancing practicality.

[0018] As a preferred embodiment of the above, the buffer assembly includes a support block 14, a top plate 15, two groups of second sliders 16, multiple groups of telescopic rods 17 and multiple groups of connecting springs 18. The top of the connecting plate 10 is connected to the bottom of the support block 14. A groove is provided at the top of the support block 14, and a group of slide grooves are respectively provided at the left and right ends of the groove of the support block 14. The two groups of second sliders 16 are respectively slidably connected to the slide grooves, and the left and right ends of the top plate 15 are respectively connected to one end of a group of second sliders 16. The top plate 15 and the groove of the support block 14 are slidably fitted, the top of the top plate 15 is connected to the bottom of the mounting plate 11, and the groove of the support block 14 is The bottom is evenly connected to the bottom of multiple groups of telescopic rods 17, and the tops of multiple groups of telescopic rods 17 are respectively connected to the bottom of the top plate 15, and a group of connecting springs 18 are respectively arranged on the outside of the multiple groups of telescopic rods 17; when the top of the top rod begins to be tightly attached to the bottom of the arch rib, a force will be generated to make the mounting plate drive the top plate to slide through the two groups of second sliding blocks, and then the multiple telescopic rods will be extended and retracted, and the multiple groups of telescopic rods will drive the connecting springs to extend and retract until the top of the top rod and the bottom of the arch rib are tightly pressed, and the multiple groups of connecting springs are in a compressed state, which can reduce the damage to the arch rib caused by the force generated by the contact and extrusion between the top rod and the arch rib, thereby enhancing practicality.

[0019] As a preferred embodiment of the above embodiment, the fixing assembly includes two groups of connecting screws 19, two groups of arc-shaped clamping plates 20, two groups of third sliders 21 and two groups of clamping blocks 22. A slide groove is provided at the bottom of the groove of the fixing block 12. The two groups of third sliders 21 are respectively slidably connected to the slide groove of the fixing block 12. The tops of the two groups of third sliders 21 are respectively connected to the bottom of a group of arc-shaped clamping plates 20. A group of threaded holes are respectively provided at the left and right ends of the groove of the fixing block 12. One end of the two groups of connecting screws 19 is respectively threadedly connected to the groove of the fixing block 12 through the threaded holes. One end of the two groups of connecting screws 19 is respectively rotated with one end of the arc-shaped clamping plates 20. Dynamic connection, the other end of the two groups of arc-shaped splints 20 is respectively provided with a group of card blocks 22, the bottom of the push rod 13 and the groove of the fixed block 12 are slidably fitted, and the bottom of the left and right ends of the push rod 13 are respectively provided with a group of card slots, and one end of the two groups of card blocks 22 are respectively clamped through the card slots and one end of the push rod 13; when the push rod needs to be replaced after long-term use, the two groups of connecting screws now enable the two groups of arc-shaped splints to drive the third slider to slide respectively until the arc-shaped splints drive the card blocks and the push rod card slots to disengage from the clamping, and then replace them, which allows the staff to quickly replace the push rod, thereby enhancing practicality.

[0020] As a preferred embodiment of the above embodiment, the supporting assembly includes four groups of slides 23, four groups of supports 24, four groups of pressure plates 25 and four groups of fastening screws 26. Four groups of slides 23 are evenly arranged on the bottom of the base plate 1. The bottoms of the four groups of slides 23 are respectively provided with grooves. The tops of the four groups of supports 24 are respectively slidably connected to the grooves of the slides 23. One end of the four groups of slides 23 is respectively provided with a group of threaded holes. The four groups of fastening screws 26 are respectively threadedly connected to the slides 23 through the threaded holes, and one end of the four groups of fastening screws 26 is respectively tightened against one end of the supports 24; when moving to the designated area, the staff rotates the fastening screws until one end of the fastening screws is disengaged from the tightening against one end of the supports, and then slides the supports until the four groups of pressure plates are respectively pressed against the ground, and then the staff rotates the fastening screws to restore them to be tightened against the supports, which can improve the stability of the overall device and thus enhance its practicality.

[0021] As a preferred embodiment of the above, four groups of anti-skid pads 27 are further included, and the bottoms of the four groups of pressure plates 25 are respectively connected to the top of one group of anti-skid pads 27; the anti-skid effect is improved, thereby improving the stability of the overall device and thus enhancing practicality.

[0022] As a preference of the above embodiment, a hand-held handle 28 is further included. A group of hand-held handles 28 are arranged at the left end of the fixed plate 3; the staff can pull the fixed plate more quickly to move it, thereby enhancing practicality.

[0023] The utility model discloses a special device for replacing a bridge hanger, and its working principle is that a worker pulls a handheld handle and moves it to a suitable position through a moving component. When it moves to a designated area, the worker rotates the fastening screw until one end of the fastening screw is disengaged and tightened with one end of a support, and then slides the support until four groups of pressure plates are respectively in close contact with the ground. Then the worker rotates the fastening screw to restore it and tighten it with the support. Then the worker starts the jack through a power mechanism, so that the top output end of the jack drives the connecting plate to rise and fall through two groups of first sliding blocks, so that the top rod is lifted and lowered until the top of the top rod and the bottom of the arch rib are tightly pressed. Then the worker starts to replace the hanger.

[0024] The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

[0025] The “first”, “second” and “third” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A special device for replacing a bridge suspender, comprising a base plate (1) and a moving assembly (2), wherein the moving assembly (2) is evenly arranged at the bottom of the base plate (1), and characterized in that: The invention also comprises a fixing plate (3), four groups of support rods (4), a jack (5), a power mechanism (6), two groups of support plates (7), two groups of first sliders (8), four groups of mounting rods (9), a connecting plate (10), a mounting plate (11), a fixing block (12), a top rod (13), a buffer assembly, a supporting assembly and a fixing assembly. The top of the bottom plate (1) is evenly connected to the bottoms of the four groups of support rods (4), the bottom of the fixing plate (3) is evenly connected to the tops of the four groups of support rods (4), a reserved hole is provided at the top of the fixing plate (3), the bottom of the jack (5) is connected to the top of the bottom plate (1), the bottoms of the two groups of support plates (7) are respectively connected to the left and right ends of the top of the fixing plate (3), and the bottoms of one end of the two groups of support plates (7) are respectively connected to one end of the two groups of mounting rods (9), and the four groups of mounting rods (9) are connected to the bottom of the fixing plate (3). ) are respectively connected to one end of the top of the fixing plate (3), one end of each of the two groups of support plates (7) is respectively provided with a group of slide grooves, two groups of first slide blocks (8) are respectively slidably connected to the slide grooves of the support plates (7), the left and right ends of the connecting plate (10) are respectively connected to one end of a group of first slide blocks (8), the top output end of the jack (5) passes through the reserved hole of the fixing plate (3) and is connected to the bottom of the connecting plate (10), the left end of the jack (5) is provided with a power mechanism (6), the top of the connecting plate (10) is connected to the bottom of the mounting plate (11) through a buffer component, the top of the mounting plate (11) is provided with a fixing block (12), the top of the fixing block (12) is provided with a groove, the groove of the fixing block (12) is clamped by the fixing component and the bottom of the push rod (13), and the bottom of the bottom plate (1) is evenly provided with support components.

2. A special device for replacing a bridge hanger as claimed in claim 1, characterized in that: The buffer assembly comprises a support block (14), a top plate (15), two groups of second sliders (16), a plurality of telescopic rods (17) and a plurality of connecting springs (18). The top of the connecting plate (10) is connected to the bottom of the support block (14). The top of the support block (14) is provided with a groove, and a group of slide grooves are respectively provided at the left and right ends of the groove of the support block (14). The two groups of second sliders (16) are respectively slidably connected to the slide grooves, and the left and right ends of the top plate (15) are respectively connected to one end of a group of second sliders (16). The top plate (15) and the groove of the support block (14) are slidably fitted, the top of the top plate (15) is connected to the bottom of the mounting plate (11), the bottom of the groove of the support block (14) is evenly connected to the bottom of the plurality of telescopic rods (17), the tops of the plurality of telescopic rods (17) are respectively connected to the bottom of the top plate (15), and a group of connecting springs (18) are respectively provided on the outer sides of the plurality of telescopic rods (17).

3. A special device for replacing a bridge hanger as claimed in claim 2, characterized in that: The fixing assembly comprises two groups of connecting screws (19), two groups of arc-shaped clamping plates (20), two groups of third sliding blocks (21) and two groups of clamping blocks (22). The bottom of the groove of the fixing block (12) is provided with a sliding groove. The two groups of third sliding blocks (21) are respectively slidably connected to the sliding groove of the fixing block (12). The tops of the two groups of third sliding blocks (21) are respectively connected to the bottom of a group of arc-shaped clamping plates (20). The left and right ends of the groove of the fixing block (12) are respectively provided with a group of threaded holes. The two groups of connecting screws (19) are respectively provided with a group of threaded holes. ) are respectively threadedly connected to the groove of the fixing block (12) through a threaded hole, one end of the two sets of connecting screws (19) are respectively rotatably connected to one end of the arc-shaped clamping plate (20), and the other ends of the two sets of arc-shaped clamping plates (20) are respectively provided with a set of clamping blocks (22), the bottom of the top rod (13) and the groove of the fixing block (12) are slidably fitted, and the bottom of the left and right ends of the top rod (13) are respectively provided with a set of clamping grooves, and one end of the two sets of clamping blocks (22) are respectively clamped through the clamping grooves and one end of the top rod (13).

4. A special device for replacing a bridge hanger as claimed in claim 3, characterized in that: The support assembly comprises four groups of slides (23), four groups of supports (24), four groups of pressure plates (25) and four groups of fastening screws (26). The bottom of the base plate (1) is evenly provided with four groups of slides (23). The bottoms of the four groups of slides (23) are respectively provided with grooves. The tops of the four groups of supports (24) are respectively slidably connected to the grooves of the slides (23). One end of the four groups of slides (23) is respectively provided with a group of threaded holes. The four groups of fastening screws (26) are respectively threadedly connected to the slides (23) through the threaded holes, and one end of the four groups of fastening screws (26) is respectively tightened against one end of the supports (24).

5. A special device for replacing a bridge hanger as claimed in claim 4, characterized in that: It also includes four groups of anti-skid pads (27), and the bottoms of the four groups of pressing plates (25) are respectively connected to the top of one group of anti-skid pads (27).

6. A special device for replacing a bridge hanger as claimed in claim 5, characterized in that: It also includes a hand-held handle (28), and a group of hand-held handles (28) are arranged at the left end of the fixed plate (3).

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