Old bridge widening hollow slab preformed groove connecting device

Abstract

The utility model discloses an old bridge widening hollow slab preformed groove connecting device, and relates to the technical field of bridge construction. The old bridge widening hollow slab preformed groove connecting device comprises a base, the upper surface of the base is rotationally connected with a square pipe through a bearing, a vertical rod is inserted into the top of the square pipe, a connecting plate is fixedly installed at the top of the vertical rod, a support is fixedly installed at the top of the connecting plate, and a telescopic rod is fixedly installed at the top of the support; the telescopic rod is controlled to work, then the telescopic rod extrudes the piston, and then the piston extrudes gas in the sealing pipe, so that the two piston plates move towards the two sides, the supporting pipe can stretch out and draw back conveniently, meanwhile, the hydraulic rod is controlled to work, and the hydraulic rod drives the anti-slip strip on the clamping plate to move; and the clamping plates and the anti-slip strips are in contact with the inner walls of the reserved grooves, so that the anti-slip strips are clamped, subsequent connection and repair are facilitated, subsequent use is facilitated, and the use efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a reserved groove connection device for widening a hollow slab of an old bridge. Background Art

[0002] Bridge construction is the process of building a bridge according to the design content; it mainly refers to the bridge construction technology and construction organization, construction management, construction quality and other contents. The existing patent is a connection device for bridge assembly for bridge engineering, and the patent publication number is CN215561846U. It discloses that the two ends of the limit arm are respectively fixedly installed with a locking mechanism, and the two ends of the limit arm are also connected to a telescopic arm. The two ends of the telescopic arm can telescopically move one by one relative to the two ends of the limit arm. The middle of the telescopic arm is respectively penetrated and installed with a lifting rod and two positioning rods. The lower ends of the two positioning rods and the lifting rod are connected to the positioning plate. The end face of the positioning plate away from the end of the bridge is fixedly installed with a hydraulic mechanism, and the driving end of the hydraulic mechanism passes through the middle of the positioning plate and extends between the positioning plate and the end of the bridge. The driving end of the hydraulic mechanism is fixedly installed with a support arm, and the end of the support arm close to the end of the bridge is welded and installed with a push plate. The connection device for bridge assembly for bridge engineering is convenient for use on bridges of different widths, which enhances the practicality of the device. At the same time, the connection device is convenient for connecting bridges of different thicknesses, which reduces the use limitations of the device.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: in actual application, it is inconvenient to connect the reserved groove of the old bridge with the new bridge connection device, which affects the subsequent use, reduces the efficiency of the connection device, and also reduces the convenience of use of the connection device. Therefore, we propose a connection device for the reserved groove of the hollow slab widened by the old bridge to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a connection device for reserved grooves of hollow slabs for widening old bridges, which solves the problem that it is inconvenient to connect the reserved holes, thereby affecting the construction of two bridge decks.

[0005] To achieve the above purpose, the utility model is implemented through the following technical scheme: a connection device for a reserved groove of a hollow slab for widening an old bridge, comprising a base, the upper surface of the base is rotatably connected to a square tube through a bearing, a vertical rod is inserted into the top of the square tube, a connecting plate is fixedly installed on the top of the vertical rod, a bracket is fixedly installed on the top of the connecting plate, and a telescopic rod is fixedly installed on the top of the bracket.

[0006] A cavity is provided inside the connecting plate, and piston plates are slidably connected to both sides of the cavity, and the two piston plates are fixedly connected by a tension spring, a support tube is fixedly installed on one side of the piston plate, a partition is fixedly installed inside the support tube, hydraulic rods are fixedly installed on both sides of the partition, one end of the hydraulic rod passes through the support tube and extends to the outside of the support tube and is fixedly connected by a clamping plate, the top of the connecting plate is connected to a sealing tube, a piston is slidably connected to the inside of the sealing tube, and the top of the piston is fixedly connected to the bottom of the telescopic rod.

[0007] Preferably, an anti-skid strip is fixedly mounted on one side of the clamping plate, the surface of the anti-skid strip is provided with anti-skid grooves, and the anti-skid strip is made of rubber.

[0008] Preferably, oblique rods are fixedly installed on both sides of the vertical rod, the top of the oblique rod is fixedly connected to the bottom of the connecting plate, and the inclination angle of the oblique rod is 15-20 degrees.

[0009] Preferably, one end of the sealing tube is connected to an air pipe, and the surface of the air pipe is connected to a valve.

[0010] Preferably, mounting plates are fixedly mounted at the four corners of the bottom of the base, mounting holes are provided on the mounting plates, the mounting holes are oblong holes, and anti-slip grooves are provided on the lower surface of the mounting plates.

[0011] Preferably, an electric push rod is fixedly mounted on the inner bottom wall of the square tube, a slide plate is fixedly mounted on the top of the electric push rod, and the top of the slide plate is fixedly connected to the bottom of the vertical rod.

[0012] Preferably, square holes communicating with the cavity are provided on both sides of the connecting plate, and inner walls of the square holes are slidably connected to the surface of the supporting tube. Beneficial Effects

[0013] The utility model provides a connection device for the reserved groove of the hollow slab for widening an old bridge. Compared with the prior art, it has the following beneficial effects:

[0014] The old bridge widens the hollow slab reserved groove connection device, which controls the telescopic rod to work, and then the telescopic rod squeezes the piston, and then the piston squeezes the gas in the sealing tube, so that the two piston plates move to both sides, so as to facilitate the extension and retraction of the support tube, and at the same time control the hydraulic rod to work, the hydraulic rod drives the anti-slip strip on the clamping plate to move, and the clamping plate and the anti-slip strip contact the inner wall of the reserved groove, thereby clamping them, so as to facilitate subsequent connection repair, facilitate subsequent use, and improve the use efficiency of the device.

[0015] At the same time, the electric push rod is controlled to work, and then the slide plate moves to drive the height of the vertical rod to be adjusted, so as to facilitate the adjustment of the support height of the device during subsequent use, thereby facilitating the subsequent support operation of the bridge deck during the repair and connection process, thereby improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the connecting plate of the utility model;

[0018] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the connection plate of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional cross-sectional connection structure of the square tube and the vertical rod of the utility model;

[0020] Figure 5 For this utility model Figure 1 A schematic diagram of the enlarged structure in the middle.

[0021] In the figure:

[0022] 1-base, 2-square tube, 3-vertical rod, 4-connecting plate, 5-bracket, 6-telescopic rod, 7-piston plate, 8-tension spring, 9-support tube, 10-partition, 11-hydraulic rod, 12-clamp, 13-sealing tube, 14-piston, 15-anti-slip strip, 16-trachea, 17-mounting plate, 18-electric push rod, 19-slide plate, 20-valve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 The utility model provides a technical solution: a connection device for a reserved groove of a hollow slab for widening an old bridge, comprising a base 1, a square tube 2 is rotatably connected to the upper surface of the base 1 through a bearing, a vertical rod 3 is inserted on the top of the square tube 2, a connecting plate 4 is fixedly installed on the top of the vertical rod 3, a bracket 5 is fixedly installed on the top of the connecting plate 4, and a telescopic rod 6 is fixedly installed on the top of the bracket 5.

[0025] A cavity is opened inside the connecting plate 4, and piston plates 7 are slidably connected on both sides of the cavity. The two piston plates 7 are fixedly connected by a tension spring 8. A support tube 9 is fixedly installed on one side of the piston plate 7, and a partition 10 is fixedly installed inside the support tube 9. Hydraulic rods 11 are fixedly installed on both sides of the partition 10. One end of the hydraulic rod 11 passes through the support tube 9 and extends to the outside of the support tube 9 and is fixedly connected by a clamping plate 12. The top of the connecting plate 4 is connected to a sealing tube 13, and a piston 14 is slidably connected inside the sealing tube 13. The top of the piston 14 is fixedly connected to the bottom of the telescopic rod 6.

[0026] See also Figure 1 , Figure 5 An anti-skid strip 15 is fixedly installed on one side of the clamping plate 12. The surface of the anti-skid strip 15 is provided with anti-skid grooves, and the anti-skid strip 15 is made of rubber.

[0027] The telescopic rod 6 is controlled to work, and then the telescopic rod 6 squeezes the piston 14, and then the piston 14 squeezes the gas in the sealing tube 13, so that the two piston plates 7 move to both sides, so as to facilitate the extension and retraction of the support tube 9. At the same time, the hydraulic rod 11 is controlled to work, and the hydraulic rod 11 drives the anti-slip strip 15 on the clamping plate 12 to move, and the clamping plate 12 and the anti-slip strip 15 contact the inner wall of the reserved groove, so as to clamp them, so as to facilitate the subsequent connection repair, facilitate the subsequent use, and improve the use efficiency of the device.

[0028] See also Figure 1 , oblique rods are fixedly installed on both sides of the vertical rod 3, the top of the oblique rod is fixedly connected to the bottom of the connecting plate 4, and the inclination angle of the oblique rod is 15-20 degrees.

[0029] The inclined rods are provided to facilitate supporting both sides of the vertical rod 3 during use, thereby facilitating subsequent use.

[0030] See also Figure 1-Figure 3 One end of the sealing tube 13 is connected to an air pipe 16 , and a valve 20 is connected to the surface of the air pipe 16 .

[0031] The air pipe 16 is provided to facilitate the release and entry of gas during use, and the valve 20 is provided to facilitate the control of the inlet and outlet of gas, thereby facilitating subsequent use.

[0032] See also Figure 1 The four corners of the bottom of the base 1 are fixedly mounted with mounting plates 17, and mounting holes are opened on the mounting plates 17. The mounting holes are oblong holes, and the lower surface of the mounting plates 17 is provided with anti-slip grooves.

[0033] The provided mounting plate 17 facilitates the installation and positioning operation of the device during use, thereby increasing the stability of the subsequent device during use and facilitating subsequent operations.

[0034] See also Figure 4 An electric push rod 18 is fixedly installed on the inner bottom wall of the square tube 2, a slide plate 19 is fixedly installed on the top of the electric push rod 18, and the top of the slide plate 19 is fixedly connected to the bottom of the vertical rod 3.

[0035] The electric push rod 18 and the slide plate 19 are provided, and during use, it is convenient to adjust the height of the vertical rod 3 on the slide plate 19, thereby facilitating the height adjustment of the device and facilitating subsequent use.

[0036] The electric push rod 18 is controlled to work, and then the slide plate 19 moves to drive the height of the vertical rod 3 to be adjusted, so as to facilitate the adjustment of the support height of the device during subsequent use, thereby facilitating the support operation of the bridge deck during the subsequent repair and connection process, thereby improving the convenience of using the device.

[0037] See also Figure 1-Figure 3 Both sides of the connecting plate 4 are provided with square holes connected to the cavity, and the inner walls of the square holes are slidably connected to the surface of the supporting tube 9.

[0038] The square hole is provided to facilitate the movement of the support tube 9 during use, which is convenient for subsequent normal use.

[0039] During operation, the telescopic rod 6 is controlled to work, and then the telescopic rod 6 squeezes the piston 14, and then the piston 14 squeezes the gas in the sealing tube 13, so that the two piston plates 7 move to both sides, so as to facilitate the extension and retraction of the support tube 9. At the same time, the hydraulic rod 11 is controlled to work, and the hydraulic rod 11 drives the anti-slip strip 15 on the clamping plate 12 to move, and the clamping plate 12 and the anti-slip strip 15 contact the inner wall of the reserved groove, thereby clamping them, so as to facilitate subsequent connection repair, facilitate subsequent use, and improve the use efficiency of the device.

[0040] The electric push rod 18 is controlled to work, and then the slide plate 19 moves to drive the height of the vertical rod 3 to be adjusted, so as to facilitate the adjustment of the support height of the device during subsequent use, thereby facilitating the support operation of the bridge deck during the subsequent repair and connection process, thereby improving the convenience of using the device.

[0041] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A connection device for a reserved groove of a hollow slab for widening an old bridge, comprising a base (1), characterized in that: The upper surface of the base (1) is rotatably connected to a square tube (2) via a bearing, a vertical rod (3) is inserted into the top of the square tube (2), a connecting plate (4) is fixedly installed on the top of the vertical rod (3), a bracket (5) is fixedly installed on the top of the connecting plate (4), and a telescopic rod (6) is fixedly installed on the top of the bracket (5); The connection plate (4) has a cavity formed inside, and piston plates (7) are slidably connected to both sides of the cavity. The two piston plates (7) are fixedly connected via a tension spring (8). A support tube (9) is fixedly mounted on one side of the piston plate (7). A partition plate (10) is fixedly mounted inside the support tube (9). Hydraulic rods (11) are fixedly mounted on both sides of the partition plate (10). One end of the hydraulic rod (11) passes through the support tube (9) and extends to the outside of the support tube (9) and is fixedly connected via a clamping plate (12). The top of the connection plate (4) is connected to a sealing tube (13). A piston (14) is slidably connected to the inside of the sealing tube (13). The top of the piston (14) is fixedly connected to the bottom of the telescopic rod (6).

2. The connection device for the reserved groove of the hollow slab for widening an old bridge according to claim 1 is characterized by: An anti-skid strip (15) is fixedly mounted on one side of the clamping plate (12), the surface of the anti-skid strip (15) is provided with anti-skid grooves, and the anti-skid strip (15) is made of rubber.

3. The connection device for the reserved groove of the hollow slab for widening an old bridge according to claim 1 is characterized by: Diagonal bars are fixedly mounted on both sides of the vertical bar (3), the top of the diagonal bar is fixedly connected to the bottom of the connecting plate (4), and the inclination angle of the diagonal bar is 15-20 degrees.

4. The connection device for the reserved groove of the hollow slab for widening an old bridge according to claim 1 is characterized by: One end of the sealing tube (13) is connected to an air pipe (16), and a surface of the air pipe (16) is connected to a valve (20).

5. The connection device for the reserved groove of the hollow slab for widening an old bridge according to claim 1 is characterized by: The four corners of the bottom of the base (1) are fixedly mounted with mounting plates (17), the mounting plates (17) are provided with mounting holes, the mounting holes are oblong holes, and the lower surface of the mounting plates (17) is provided with anti-slip grooves.

6. The connection device for the reserved groove of the hollow slab for widening an old bridge according to claim 1, characterized in that: An electric push rod (18) is fixedly mounted on the inner bottom wall of the square tube (2), a slide plate (19) is fixedly mounted on the top of the electric push rod (18), and the top of the slide plate (19) is fixedly connected to the bottom of the vertical rod (3).

7. The connection device for the reserved groove of the hollow slab for widening an old bridge according to claim 1 is characterized by: Square holes communicating with the cavity are provided on both sides of the connecting plate (4), and the inner walls of the square holes are slidably connected to the surface of the supporting tube (9).

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