Bridge longitudinal wet joint formwork suspension folding trolley

Abstract

The utility model relates to the technical field of bridge engineering, and discloses a bridge longitudinal wet joint formwork suspension folding trolley which comprises a trolley frame, a supporting frame is fixedly connected to the top face of the trolley frame, sliding grooves are formed in the two ends of the supporting frame, and extending frames are connected into the sliding grooves in a sliding mode. According to the bridge longitudinal wet joint formwork suspending and folding trolley, through the arrangement of a vacuum assembly, a hydraulic rod A and a vacuum suction cup, when the suspending and folding trolley works, a formwork is heavy, bridge construction is at a certain height, wind is large relative to the ground, the angle of a supporting strip is adjusted, the hydraulic rod A abuts against the bottom face, an external power source is connected, and a vacuum pump is started; the vacuum suction cups are sucked by the suction branch pipes to form negative pressure, and the vacuum suction cups are sucked on the ground, so that the stability of the suspension folding trolley is improved, the suspension folding trolley is prevented from shaking during operation, and the suspension folding mounting and dismounting stability of the bridge longitudinal wet joint formwork is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge engineering, in particular to a suspension and closing trolley for a bridge longitudinal wet joint template. Background Art

[0002] Wet joints refer to the joints where the prestressed concrete beams are prefabricated in blocks and assembled into cantilevered long-span continuous beams, and the beams are connected into a whole using cast-in-place concrete. In bridge construction, the construction quality of wet joints directly affects the stress state, use function, and even the service life of the bridge. Wet joint formwork will be used for connection and closure, so a device is needed to suspend the formwork for splicing.

[0003] Existing suspension and closing devices are mostly hoisted manually, which not only has a large workload and low efficiency, but also increases labor input and reduces the degree of mechanization in the construction of suspension and closing of bridge wet joint formwork.

[0004] After searching the existing patents: a formwork suspension device for wet joints of bridges (publication number: CN210597029U). This utility model has a stable structure, strong safety, strong reliability, and low cost. It overcomes the shortcomings of traditional construction methods, improves construction safety while ensuring construction quality, and effectively improves construction efficiency.

[0005] Although the above patent achieves the purpose of suspending the template, the template needs to be pulled manually when it is joined, which is not convenient for improving the work efficiency of suspending and closing the wet joint template.

[0006] Therefore, it is necessary to invent a bridge longitudinal wet joint formwork suspension closing trolley to solve the above problems. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] The technical problem solved by the utility model is to provide a bridge longitudinal wet joint formwork suspension and closing trolley which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem in the above-mentioned background technology that the formwork needs to be manually pulled when the seam is aligned, which is not convenient for improving the work efficiency of the wet joint formwork suspension and closing.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical scheme: a bridge longitudinal wet joint formwork suspension closing trolley, comprising a trolley frame, the top surface of the trolley frame is fixedly connected to a support frame, two ends of the support frame are provided with sliding grooves, the sliding grooves are internally slidably connected to an extension frame, the surfaces of both ends of the support frame are fixedly connected to two groups of telescopic components, the bottom surface of the extension frame is fixedly connected to a motor box and a connecting plate, the motor box is internally fixedly connected to a brake assembly, the surface of the brake assembly is wrapped with a steel cable, one end of the steel cable is fixedly connected to a hook, the middle part of the support frame is fixedly connected to an auxiliary assembly, the bottom of the trolley frame is fixedly connected to a vacuum assembly, two rotating frames are fixedly connected to both sides of the trolley frame, the internal rotation of the rotating frame is connected to a support bar, one end of the support bar is fixedly connected to a hydraulic rod A, and the bottom end of the hydraulic rod A is fixedly connected to a vacuum suction cup.

[0011] As a further solution of the utility model, the two groups of telescopic components include hydraulic rods B fixedly connected to the surfaces of both ends of the support frame, one end of the two hydraulic rods B is electrically connected to a hydraulic controller via a power line, and the bottom end of the hydraulic rod B is fixedly connected to the surface of the extension frame, and the hydraulic controller facilitates the simultaneous extension and retraction of the hydraulic rods B.

[0012] As a further solution of the utility model, the brake assembly includes a drive motor fixedly connected to the inside of the motor box, the output end of the drive motor is splined with a transmission rod, one end of the transmission rod is fixedly connected to a steel cable drum, and the steel cable drum serves to contract the steel cable rope.

[0013] As a further solution of the utility model, the edge of the bottom surface of the motor box is fixedly connected with a vertical bar, and the bottom end of the vertical bar is welded with a protective frame, which plays a limiting role to prevent the steel cable from shaking.

[0014] As a further solution of the utility model, the vacuum component includes a fixed connection to the vacuum pump, the output end of the vacuum pump is connected to an exhaust pipe, both ends of the exhaust pipe are connected to one side of the vacuum suction cup, and the vacuum pump plays a role in increasing the negative pressure.

[0015] As a further solution of the utility model, solid wheels are fixedly connected to the four sides of the trolley frame. The solid wheels are made of rubber and are convenient to move.

[0016] (III) Beneficial effects

[0017] The utility model provides a suspension and closing trolley for a bridge longitudinal wet joint template, which has the following beneficial effects:

[0018] 1. The longitudinal wet joint formwork of the bridge is suspended and closed by the extension frame, telescopic assembly and braking assembly. When in use, according to the width of the wet joint formwork and the size of the gap between the formworks when they are closed, the external power supply is connected, and the hydraulic controller controls the hydraulic rod B to extend and retract. After the position is determined, the hook hooks the wet joint formwork, and the drive motor is started to rotate the cable drum, contract the cable rope, and suspend the wet joint formwork. The disassembly and installation of the wet joint formwork can be completed in the air at the same time, and the installation and disassembly of the formwork does not fall to the ground, which simplifies the construction process and speeds up the construction progress. At the same time, for the wet joint construction of bridges across rivers and roads, the mutual interference between flowing water and vehicles on the road under the bridge and the construction is avoided, and the hidden dangers of construction safety are eliminated.

[0019] 2. The longitudinal wet joint formwork of the bridge is suspended and closed by means of the vacuum assembly, hydraulic rod A and vacuum suction cup. When the suspension and closing trolley is in operation, the formwork is heavy, and the bridge construction is at a certain height. The wind is relatively large compared to the ground. The angle of the support bar is adjusted so that the hydraulic rod A is against the bottom surface, the external power supply is connected, the vacuum pump is started, and the vacuum suction cup is evacuated by the air pipe to form negative pressure. The vacuum suction cup is adsorbed on the ground, which increases the stability of the suspension and closing trolley, avoids shaking of the suspension and closing trolley during operation, and improves the stability of the suspension and closing installation and disassembly of the longitudinal wet joint formwork of the bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the vacuum component of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the brake assembly of the utility model;

[0023] Figure 4 This is a schematic diagram of the auxiliary component structure of the utility model.

[0024] In the figure: 1. trolley frame; 2. support frame; 3. extension frame; 4. telescopic assembly; 401. hydraulic rod B; 402. hydraulic controller; 5. motor box; 6. connecting plate; 7. brake assembly; 701. drive motor; 702. cable drum; 8. cable rope; 9. hook; 10. auxiliary assembly; 1001. fixed column; 1002. lighting lamp; 1003. air bag; 11. vacuum assembly; 1101. vacuum pump; 1102. exhaust branch pipe; 12. rotating frame; 13. support bar; 14. hydraulic rod A; 15. vacuum suction cup; 16. protective frame; 17. solid wheel. DETAILED DESCRIPTION

[0025] 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. 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.

[0026] See also Figures 1 to 4 The utility model provides a technical solution: a suspension and closing trolley for a bridge longitudinal wet joint formwork, comprising a trolley frame 1, a support frame 2 is fixedly connected to the top surface of the trolley frame 1, sliding grooves are provided at both ends of the support frame 2, and an extension frame 3 is slidably connected inside the sliding groove, two sets of telescopic components 4 are fixedly connected to the surfaces of both ends of the support frame 2, a motor box 5 and a connecting piece 6 are fixedly connected to the bottom surface of the extension frame 3, and a brake component 7 is fixedly connected inside the motor box 5. Through the setting of the extension frame 3, the telescopic component 4 and the brake component 7, when in use, according to the width of the wet joint formwork The size of the gap between the template and the template is determined by connecting the external power supply, and the hydraulic controller 402 controls the hydraulic rod B401 to extend and retract. After the position is determined, the hook 9 hooks the wet joint template, and the drive motor 701 is started to rotate the cable disc 702, and the cable rope 8 is retracted to suspend the wet joint template. The wet joint template can be disassembled and installed in the air at the same time, and the template installation and disassembly are realized without falling to the ground, which simplifies the construction process and speeds up the construction progress. At the same time, for the wet joint construction of bridges across rivers and roads, it avoids the flow of water and the vehicles on the road under the bridge and the construction. Mutual interference between workers and hidden dangers of construction safety are eliminated. A steel cable 8 is wound around the surface of the brake assembly 7, one end of the steel cable 8 is fixedly connected to a hook 9, the middle of the support frame 2 is fixedly connected to an auxiliary assembly 10, the bottom of the trolley frame 1 is fixedly connected to a vacuum assembly 11, both sides of the trolley frame 1 are fixedly connected to two rotating frames 12, the internal rotation of the rotating frame 12 is connected to a support bar 13, one end of the support bar 13 is fixedly connected to a hydraulic rod A14, and the bottom end of the hydraulic rod A14 is fixedly connected to a vacuum suction cup 15. With the arrangement of the vacuum suction cup 15, when the suspension closing trolley is operated, the template is heavy, and the bridge construction is at a certain height, and the wind is relatively strong relative to the ground, the angle of the support bar 13 is adjusted so that the hydraulic rod A14 is against the bottom surface, the external power supply is connected, the vacuum pump 1101 is started, and the air extraction branch pipe 1102 is used to evacuate the vacuum suction cup 15 to form a negative pressure, and the vacuum suction cup 15 is adsorbed on the ground, which increases the stability of the suspension closing trolley, avoids the shaking of the suspension closing trolley during operation, and improves the stability of the suspension closing installation and disassembly of the bridge longitudinal wet joint template;

[0027] See also Figure 4The two sets of telescopic components 4 include hydraulic rods B401 fixedly connected to the surfaces of both ends of the support frame 2, one end of the two hydraulic rods B401 is electrically connected to the hydraulic controller 402 through a power line, and the bottom end of the hydraulic rod B401 is fixedly connected to the surface of the extension frame 3. Through the setting of the telescopic components 4, the length of the extension frame 3 is adjusted;

[0028] See also Figure 3 The brake assembly 7 includes a drive motor 701 fixedly connected to the inside of the motor box 5, the output end of the drive motor 701 is splined with a transmission rod, one end of the transmission rod is fixedly connected with a cable disc 702, and the brake assembly 7 plays a role of suspending the template through the setting of the brake assembly 7;

[0029] See also Figure 3 The edge of the bottom surface of the motor box 5 is fixedly connected with a vertical bar, and a protective frame 16 is welded to the bottom end of the vertical bar. The setting of the protective frame 16 prevents the steel cable 8 from moving;

[0030] See also Figure 2 The vacuum assembly 11 includes a vacuum pump 1101 fixedly connected to the vacuum pump 1101. The output end of the vacuum pump 1101 is connected to a gas extraction branch pipe 1102. Both ends of the gas extraction branch pipe 1102 are connected to one side of the vacuum suction cup 15. The vacuum assembly 11 is set to increase the negative pressure.

[0031] See also Figure 1 Solid wheels 17 are fixedly connected to the four sides of the trolley frame 1. The solid wheels 17 are made of rubber. The arrangement of the solid wheels 17 facilitates movement.

[0032] Embodiment 1:

[0033] See also Figure 1 The auxiliary component 10 includes a fixed column 1001 fixedly connected to the middle of the support frame 2, and both sides of the fixed column 1001 are fixedly connected with lighting lamps 1002. The setting of the lighting lamps 1002 achieves the effect of night illumination;

[0034] Embodiment 2:

[0035] See also Figure 4 The auxiliary component 10 includes a fixed column 1001 fixedly connected to the middle of the support frame 2, and one end of the fixed column 1001 is fixedly connected to a wind bag 1003. Through the setting of the wind bag 1003, it is convenient to measure the effect of wind force and determine construction safety.

[0036] In the utility model, the working steps of the device are as follows:

[0037] Step 1: When in use, according to the width of the wet joint template and the size of the gap between the templates when they are closed, connect the external power supply, the hydraulic controller 402 controls the hydraulic rod B401 to extend and retract, determine the position, the hook 9 hooks the wet joint template, and starts the driving motor 701 to rotate the cable disc 702 and retract the cable rope 8;

[0038] The second step: when the suspended closing trolley is operated, the template is heavy, and the bridge construction is at a certain height, the wind is relatively strong relative to the ground, adjust the angle of the support bar 13 so that the hydraulic rod A14 is against the bottom surface, connect the external power supply, start the vacuum pump 1101, and the vacuum pipe 1102 evacuates the vacuum suction cup 15 to form negative pressure, and the vacuum suction cup 15 is adsorbed on the ground.

[0039] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0040] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0041] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bridge longitudinal wet joint formwork suspension closing trolley, comprising a trolley frame (1), characterized in that: The top surface of the trolley frame (1) is fixedly connected to a support frame (2), two ends of the support frame (2) are provided with sliding grooves, the interior of the sliding grooves is slidably connected to an extension frame (3), the surfaces of both ends of the support frame (2) are fixedly connected to two groups of telescopic components (4), the bottom surface of the extension frame (3) is fixedly connected to a motor box (5) and a connecting piece (6), the interior of the motor box (5) is fixedly connected to a brake component (7), the surface of the brake component (7) is wound with a steel cable (8), and the steel cable ( One end of the support frame (8) is fixedly connected to a hook (9), the middle part of the support frame (2) is fixedly connected to an auxiliary component (10), the bottom of the trolley frame (1) is fixedly connected to a vacuum component (11), both sides of the trolley frame (1) are fixedly connected to two rotating frames (12), the interior of the rotating frame (12) is rotatably connected to a support bar (13), one end of the support bar (13) is fixedly connected to a hydraulic rod A (14), and the bottom end of the hydraulic rod A (14) is fixedly connected to a vacuum suction cup (15).

2. A bridge longitudinal wet joint formwork suspension closing trolley according to claim 1, characterized in that: The two groups of telescopic components (4) include hydraulic rods B (401) fixedly connected to the surfaces of both ends of the support frame (2), one end of the two hydraulic rods B (401) is electrically connected to a hydraulic controller (402) via a power line, and the bottom end of the hydraulic rod B (401) is fixedly connected to the surface of the extension frame (3).

3. The bridge longitudinal wet joint formwork suspension closing trolley according to claim 1 is characterized by: The brake assembly (7) comprises a drive motor (701) fixedly connected to the inside of the motor box (5); the output end of the drive motor (701) is spline-connected to a transmission rod; one end of the transmission rod is fixedly connected to a cable drum (702).

4. The bridge longitudinal wet joint formwork suspension closing trolley according to claim 1 is characterized by: A vertical bar is fixedly connected to the edge of the bottom surface of the motor box (5), and a protective frame (16) is welded to the bottom end of the vertical bar.

5. The bridge longitudinal wet joint formwork suspension closing trolley according to claim 1 is characterized by: The vacuum component (11) includes a portion fixedly connected to a vacuum pump (1101), the output end of the vacuum pump (1101) is connected to an exhaust branch pipe (1102), and both ends of the exhaust branch pipe (1102) are connected to one side of the vacuum suction cup (15).

6. The bridge longitudinal wet joint formwork suspension closing trolley according to claim 1, characterized in that: Solid wheels (17) are fixedly connected to the four sides of the trolley frame (1), and the material of the solid wheels (17) is rubber.

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