Prestress grouting device for bridge construction

Through the integration of lifting support, grouting drive and auxiliary clamping devices, the problem of inconvenient formwork operation during bridge construction is solved, efficient bridge pipe grouting and concrete slurry compaction are achieved, and construction efficiency and quality are improved.

CN223458689UActive Publication Date: 2025-10-21SOUTHWEST COMM CONSTR GRP
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Patent Information

Application Number
CN202422595069.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-10-21
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

In existing bridge construction, grouting equipment requires pre-supporting the formwork and post-dismantling the formwork, which is inconvenient to operate and inefficient.

Method used

A prestressed grouting device for bridge construction was designed, which included a lifting support device, a grouting drive device and an auxiliary clamping device. The height of the grouting plate was adjusted by the lifting support device, the grouting drive device realized piston-like pushing, and the auxiliary clamping device maintained stability, thus realizing the integrated operation of formwork and grouting.

Benefits of technology

It realizes convenient formwork support and efficient grouting of bridge pipelines, improves construction efficiency and density of concrete slurry, and enhances construction quality control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a prestress mud jacking device for bridge construction, which comprises a bridge, a transverse pipeline is arranged in the bridge, a grouting hole is arranged in the upper end of the bridge, a lifting type supporting device is arranged above the bridge, and traveling wheels are arranged at the lower end of the lifting type supporting device. A top plate is arranged at the upper end of the lifting type supporting device, lifting plates are arranged on the two sides of the lower end face of the top plate, grouting driving devices are arranged on the lifting plates, and auxiliary clamping devices are arranged on the lower end faces of the lifting plates. The utility model belongs to the technical field of bridge construction, and particularly relates to a prestressed grouting device for bridge construction, which solves the problems that when a bridge pipeline is grouted, a template needs to be supported on the pipeline, and the template is removed after the grouting is finished, the operation is not convenient enough, and the working efficiency is low.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge construction technical field, specifically point to a bridge construction with prestress pressure grouting device. BACKGROUND

[0002] Concrete bridge damage performance form is various, such as prestress loss, concrete breakage cracking, steel bar corrosion, support emptying and so on, these damage lead to the decline of concrete bridge overall rigidity and bearing capacity, is the important reason causing bridge disease, in order to strengthen the process control of bridge construction quality, eliminate the quality defect in construction process, the grouting quality detection of prestress conduit of prestressed bridge is an important control link to ensure that bridge construction quality reaches design requirement and reasonable stress state.

[0003] In order to improve the compactness of bridge conduit, when the bridge conduit is constructed, the concrete slurry needs to be pressure grouted, however, the existing pressure grouting equipment has some deficiencies when pressure grouting the bridge transverse conduit: the formwork needs to be pre-supported in the conduit, and then the formwork is dismantled after grouting, which is not convenient and low in efficiency, and needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem that the formwork needs to be supported in the conduit when grouting the bridge conduit, and the formwork is dismantled after grouting, which is not convenient and low in efficiency.

[0005] In order to realize the above functions, the utility model adopts the following technical scheme: a prestress pressure grouting device for bridge construction, comprising a bridge, a transverse conduit is arranged in the bridge, a grouting hole is arranged in the upper end of the bridge, a lifting support device is arranged above the bridge, a walking wheel is arranged at the lower end of the lifting support device, a top plate is arranged at the upper end of the lifting support device, a hanging plate is arranged at the lower end surface of the top plate, a pressure grouting driving device is arranged on the hanging plate, and an auxiliary clamping device is arranged at the lower end surface of the hanging plate; the pressure grouting driving device comprises a silk cylinder, the silk cylinder rotates in the hanging plate, a gear two is arranged on the silk cylinder, a lead screw is threadedly connected in the silk cylinder, a pressure grouting plate is fixedly connected to one end of the lead screw, a guide column is arranged on the pressure grouting plate and penetrates the hanging plate, a motor is arranged on the hanging plate, a gear one is arranged at the output end of the motor and is in meshing connection with the gear two, through the rotation of the silk cylinder, the lead screw can be screwed into the silk cylinder, and the silk cylinder can push the pressure grouting plate, so as to push into the conduit and push the two ends of the conduit in a piston type, so that not only the formwork can be supported in the conduit of the bridge, but also the concrete slurry in the conduit can be pressure grouted.

[0006] Further, the auxiliary clamping device comprises fixing plates which are arranged in two groups and fixed to the lower end surface of the top plate, one group of the fixing plates is provided with hydraulic cylinders one, the output end of the hydraulic cylinders one is provided with clamping plates, guide rods are fixed between the fixing plates and penetrate the clamping plates, the two sides of the bridge can be fixed through the clamping plates, so that the pipe is more stable when being grouted.

[0007] Further, the lifting type supporting device comprises fixing seats which are fixed to the lower end surface of the top plate, the fixing seats are linearly arranged with hydraulic cylinders two, the output end of the hydraulic cylinders two is provided with lifting plates and is always located in the fixing seats, the walking wheels are located at the lower end surface of the lifting plates, through the lifting type supporting device, the height of the grouting plate can be adjusted upwards and downwards, so that the pipe can be inserted in alignment.

[0008] Preferably, the periphery of the grouting plate is provided with a sealing ring which is made of rubber.

[0009] Preferably, one side of the clamping plate is provided with a buffer pad which is made of rubber.

[0010] Preferably, the end of the lead screw and the guide column is provided with an end plate, the end plate can prevent the guide column or the lead screw from being separated from the hanging plate.

[0011] The utility model discloses the above-mentioned structure obtains the beneficial effect as follows:

[0012] 1, the utility model discloses a grouting driving device is set, and the silk cylinder is rotated, and the driving lead screw is screwed in the silk cylinder, and the guide column slides in the hanging plate, and the grouting plate is inserted into the pipe of the bridge, and the two sides of the pipe are inserted with the grouting plate, and the grouting plate can act as a formwork, and can also grout the injected concrete slurry, is more full, and the strength is greater.

[0013] 2, the utility model discloses an auxiliary clamping device is set, and when grouting, the hydraulic cylinder one pushes the clamping plate and clamps at the two sides of the bridge, so the stability of grouting can be kept.

[0014] 3, the utility model discloses a lifting type supporting device is set, can realize the height of grouting plate and adjust, so that the pipe can be inserted in alignment, and it is more in line with the practical application scene. DRAWINGS

[0015] Figure 1 It is the overall structural drawing of the utility model of a prestressed grouting device for bridge construction;

[0016] Figure 2 It is the structure drawing of the auxiliary clamping device of the utility model of a prestressed grouting device for bridge construction;

[0017] Figure 3 For Figure 1 Local enlarged view at A in the middle;

[0018] Figure 4 For Figure 1 Structural view of the lifting support device in the middle;

[0019] Figure 5 Perspective view of the grouting plate.

[0020] Wherein, 1, bridge, 2, pipeline, 3, grouting hole, 4, lifting support device, 5, walking wheel, 6, top plate, 7, hanging plate, 8, grouting driving device, 9, auxiliary clamping device, 10, silk cylinder, 11, gear two, 12, lead screw, 13, grouting plate, 14, motor, 15, gear one, 16, guide column, 17, fixed plate, 18, hydraulic cylinder one, 19, clamping plate, 20, guide rod, 21, fixed seat, 22, hydraulic cylinder two, 23, lifting plate, 24, buffer pad, 25, sealing ring, 26, end plate. DETAILED DESCRIPTION

[0021] The technical scheme of the present application will be described clearly and completely in conjunction with the drawings. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0022] In the description of the present application, it should be pointed out that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0023] As Figures 1-5 The present application is a kind of prestressed grouting device for bridge 1 construction, including bridge 1, bridge 1 It is equipped with transverse pipeline 2, the upper end of bridge 1 It is equipped with grouting hole 3, the upper of bridge 1 It is equipped with lifting support device 4, the lower end of lifting support device 4 It is equipped with walking wheel 5, the upper end of lifting support device 4 It is equipped with top plate 6, the lower end surface of top plate 6 Both sides are equipped with hanging plate 7, hanging plate 7 It is equipped with grouting driving device 8, the lower end surface of hanging plate 7 It is equipped with auxiliary clamping device 9.

[0024] As Figure 1 And 3, the pressure grouting driving device 8 comprises a silk cylinder 10, the silk cylinder 10 is rotated in the hanging plate 7, the silk cylinder 10 is provided with gear two 11, the silk cylinder 10 is screw-connected with a lead screw 12, one end of the lead screw 12 is fixedly connected with a pressure grouting plate 13, the pressure grouting plate 13 is provided with a sealing ring 25, the sealing ring 25 is made of rubber material, the pressure grouting plate 13 is provided with a guide column 16 and penetrates the hanging plate 7, the lead screw 12 and the end of the guide column 16 are provided with end plates 26, the end plates 26 can avoid the guide column 16 or the lead screw 12 from being separated from the hanging plate 7, the hanging plate 7 is provided with a motor 14, the output end of the motor 14 is provided with gear one 15 and is engagedly connected with gear two 11, through the rotation of the silk cylinder 10, the lead screw 12 can be screw-connected in the silk cylinder 10, the silk cylinder 10 can push the pressure grouting plate 13, so as to be pushed into the pipeline 2, the two ends of the pipeline 2 are pushed in a piston type, so that not only the pipeline 2 in the bridge 1 can be formwork supported, but also the concrete slurry in the pipeline 2 can be pressure grouted.

[0025] As Figures 1-2 , the auxiliary clamping device 9 comprises a fixed plate 17, the fixed plate 17 is provided with two groups and is fixed to the lower end face of the top plate 6, one of the fixed plate 17 is provided with a hydraulic cylinder one 18, the output end of the hydraulic cylinder one 18 is provided with a clamping plate 19, the fixed plate 17 is fixed with a guide rod 20 and penetrates the clamping plate 19, one side of the clamping plate 19 is provided with a buffer pad 24, the buffer pad 24 is made of rubber material, the clamping plate 19 can fix the two sides of the bridge 1, so as to be more stable when pressure grouting the pipeline 2.

[0026] As Figure 1 And 4 , the lifting support device 4 comprises a fixed seat 21, the fixed seat 21 is fixed to the lower end face of the top plate 6, the fixed seat 21 is provided with a hydraulic cylinder two 22 in a straight line, the output end of the hydraulic cylinder two 22 is provided with a lifting plate 23 and is always located in the fixed seat 21, the walking wheel 5 is located at the lower end face of the lifting plate 23, through the lifting support device 4, the height of the pressure grouting plate 13 can be adjusted up and down, so as to be inserted into the pipeline 2.

[0027] Specific use, through the walking wheel 5 walking on the bridge 1, so that the pressure grouting plate 13 moves on the two sides of the bridge 1, through the extension of the hydraulic cylinder two 22, the lifting plate 23 extends in the fixed seat 21, so that the height of the pressure grouting plate 13 will change, until the pipeline 2 is aligned, through the start of the hydraulic cylinder one 18, the clamping plate 19 slides on the guide rod 20, the buffer pad 24 on the clamping plate 19 can clamp and fix the two sides of the bridge 1.

[0028] Then through starting motor 14, gear one 15 meshes gear two 11 to rotate, gear two 11 drives silk cylinder 10 to rotate, silk cylinder 10 will rotate in hanging plate 7, and lead screw 12 in silk cylinder 10 will push grouting plate 13 to move to pipe 2, and guide column 16 will slide in hanging plate 7, grouting plate 13 acts as a template, and through grouting hole 3, concrete grout is injected to pipe 2, after injection, grouting hole 3 is closed, and through grouting plate 13 on both sides, the concrete grout in pipe 2 can be grouted, so that it is more compact, and the efficiency of injecting concrete grout to pipe 2 in bridge 1 construction is improved.

[0029] The above describes the utility model and its implementation mode, and this description is not restrictive, and the embodiment shown in the drawings is only one of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the utility model, without creative design, similar structure mode and embodiment of the technical scheme, which should belong to the protection scope of the utility model.

Claims

1. A prestressed grouting device for bridge construction, comprising a bridge, a transverse pipeline is arranged in the bridge, a grouting hole is arranged in the upper end of the bridge, characterized in that: The bridge is provided with a lifting support device, the lower end of the lifting support device is provided with a walking wheel, the upper end of the lifting support device is provided with a top plate, the lower end surface of the top plate is provided with a hanging plate on both sides, the hanging plate is provided with a grouting driving device, and the lower end surface of the hanging plate is provided with an auxiliary clamping device.

2. The prestress grouting device for bridge construction of claim 1, characterized in that: The grouting driving device comprises a silk cylinder, the silk cylinder rotates in the hanging plate, the silk cylinder is provided with a gear two, the silk cylinder is provided with a lead screw in a threaded connection, one end of the lead screw is fixedly connected with a grouting plate, the grouting plate is provided with a guide column and penetrates the hanging plate, the hanging plate is provided with a motor, the output end of the motor is provided with a gear one and is in meshing connection with the gear two.

3. The prestress grouting device for bridge construction of claim 2, characterized in that: The auxiliary clamping device comprises a fixed plate, the fixed plate is provided with two groups and is fixed to the lower end surface of the top plate, one of the fixed plates is provided with a hydraulic cylinder one, the output end of the hydraulic cylinder one is provided with a clamping plate, the fixed plates are fixed with a guide rod and penetrate the clamping plate.

4. The prestress grouting device for bridge construction of claim 3, characterized in that: The lifting support device comprises a fixed seat, the fixed seat is fixed to the lower end surface of the top plate, the fixed seat is provided with a hydraulic cylinder two in a straight line, the output end of the hydraulic cylinder two is provided with a lifting plate and is always located in the fixed seat, and the walking wheel is located at the lower end surface of the lifting plate.

5. The prestress grouting device for bridge construction of claim 4, characterized in that: The circumference of the grouting plate is provided with a sealing ring, and the sealing ring is made of rubber material.

6. The prestress grouting device for bridge construction of claim 5, characterized in that: One side of the clamping plate is provided with a buffer pad, and the buffer pad is made of rubber material.

7. The prestress grouting device for bridge construction of claim 6, characterized in that: The end of the lead screw and the guide column is provided with an end plate.