Bridge deck jacking machine

Abstract

The utility model relates to the technical field of jacking machines, and discloses a bridge deck jacking machine which comprises an equipment bottom plate and a hydraulic oil tank, two hydraulic cylinders are fixedly connected to the front side and the rear side of the top wall of the equipment bottom plate respectively, and oil feeders are fixedly connected to the left side and the right side of the top end of the hydraulic oil tank respectively. Multiple oil conveying pipes communicate with the sides, away from each other, of the two oil feeders, the multiple oil conveying pipes communicate with the upper ends and the lower ends of the outer walls of the multiple hydraulic cylinders correspondingly, top plates are fixedly connected to the output ends of the multiple hydraulic cylinders correspondingly, and fixing blocks are fixedly connected to the front side and the rear side of the inner bottom wall of each top plate correspondingly; a supporting shaft is rotationally connected between every two adjacent fixing blocks. According to the jacking device, the supporting force of the loading plate is increased through the elastic effect of the tension springs, vibration and impact are reduced, pressure distribution on the top plate and the loading plate can be monitored in real time through the pressure sensors, and safety and stability in the jacking process are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of jacking machines, in particular to a bridge deck jacking machine. Background Art

[0002] A bridge deck lift is a special equipment used in bridge construction and maintenance. It is mainly used to lift workers and materials onto the bridge deck for operations. During bridge construction and maintenance, since the bridge deck is high and various operations are often required, the use of a bridge deck lift can improve work efficiency and ensure work safety.

[0003] After searching, the Chinese patent announcement number is: CN202322289917.5. A bridge jacking and replacement device relates to the field of bridge replacement technology, including a bridge superstructure, the lower surface of the bridge superstructure is fixedly connected to a bridge pier, reaction platforms are installed on both sides of the bridge pier, the lower surface of the reaction platform is fixedly connected to a number of anchor piles, the upper surface of the reaction platform is installed with a number of jacks, the surface of the bridge pier is provided with a number of beam holes, the surfaces of the beam holes on the bridge piers are installed with lifting beams, the lifting beam is fixedly connected to the jacking platform on one side, the lower surface of the jacking platform is fixedly connected to a number of steel distribution beams, the upper surface of the reaction platform is slidably connected to a shift plate, and the side of the shift plate close to the lifting beam is fixedly connected to a clamping rod. This bridge jacking and replacement device solves the problem that it is often difficult to ensure that the lifting beam position will not move during the grouting process. However, during the jacking process of the bridge, due to the influence of external forces, the lifting of different parts is not synchronized, which will cause uneven stress on the structure and thus cause safety accidents. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a bridge deck jacking machine, which aims to improve the problem that during the jacking process of the bridge, due to the influence of external forces, the lifting of different parts is not synchronized, which will lead to uneven stress on the structure and thus cause safety accidents.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a bridge deck lifting machine, including an equipment bottom plate and a hydraulic oil tank, the front and rear sides of the top wall of the equipment bottom plate are fixedly connected to two hydraulic cylinders, the left and right sides of the top end of the hydraulic oil tank are fixedly connected to an oil feeder, the two oil feeders are connected to a plurality of oil pipes on the sides away from each other, and the plurality of oil pipes are respectively connected to the upper ends and lower ends of the outer walls of the plurality of hydraulic cylinders, the output ends of the plurality of hydraulic cylinders are fixedly connected to the top plate, the front and rear sides of the inner bottom wall of the top plate are fixedly connected to fixed blocks, the two adjacent fixed blocks are rotatably connected to a support shaft, the outer wall top end of the support shaft is fixedly connected to a loading plate, the left and right sides of the inner top wall of the top plate are fixedly connected to two tension springs, the top ends of the plurality of tension springs are fixedly connected to the bottom wall of the loading plate, pressure sensors are fixedly connected at the four corners of the top wall of the top plate, and the bottom wall of the equipment bottom plate is provided with a force-bearing device.

[0006] Through the above technical solution: multiple hydraulic cylinders are used to perform up and down telescopic movements. During the jacking process, the telescopic movement of the hydraulic cylinders pushes the top plate and the loading plate up or down, thereby realizing the jacking operation of the bridge deck. In order to ensure stability during the jacking process, the tension spring increases the supporting force of the loading plate through elastic action to reduce vibration and impact. In addition, pressure sensors are installed at the four corners of the top wall of the top plate. These pressure sensors can monitor the pressure distribution on the top plate and the loading plate in real time to ensure safety and stability during the jacking process. Once the pressure exceeds the preset safety threshold, the pressure sensor will immediately sound an alarm to remind the operator to take corresponding measures.

[0007] As a further description of the above technical solution:

[0008] The force-bearing device includes a plurality of motor slots, the inner top walls of the plurality of motor slots are fixedly mounted with rotating motors, the output ends of the plurality of rotating motors are fixedly connected with cylindrical gears, the left and right sides of the outer walls of the plurality of cylindrical gears are meshingly connected with racks, the ends away from the plurality of racks are fixedly connected with hydraulic columns, the bottom ends of the plurality of hydraulic columns are fixedly connected with supporting bottom plates, and the outer walls of the plurality of racks are slidably connected with force guide blocks.

[0009] Through the above technical solution: by starting the rotating motors in multiple motor slots and driving the cylindrical gears to rotate synchronously, the outer wall of the cylindrical gears meshes with the rack, so the rotation of the cylindrical gears will drive the rack to move horizontally. A supporting base plate is fixed to the bottom end of the hydraulic column. The supporting base plate increases the contact area between the equipment and the ground, making the jacking process smoother and reducing the risks caused by uneven force. The force guide block ensures that the rack remains stable during movement, avoiding deviation or shaking, while making the entire force-bearing device more stable, thereby improving the safety and stability during the jacking process.

[0010] As a further description of the above technical solution:

[0011] A console is fixedly connected to the front side of the top wall of the device bottom plate, a plurality of control buttons are fixedly installed on the top wall of the console, and two display screens are fixedly installed on the front side of the console.

[0012] Through the above technical solution: through the multiple control buttons on the top wall of the console, the operator can easily operate and control the various functions of the bridge deck jacking machine. The display screen is used to display the operating status, working parameters, fault information, etc. of the bridge deck jacking machine, which helps the operator to understand the working status of the equipment in real time and discover and solve problems in time.

[0013] As a further description of the above technical solution:

[0014] The left and right sides of the bottom end of the outer wall of the hydraulic oil tank are fixedly connected with triangular fixed bases.

[0015] Through the above technical solution: the triangular fixed base can provide stable support, ensure the stability of the hydraulic oil tank during operation, and prevent displacement or damage caused by vibration or external force.

[0016] As a further description of the above technical solution:

[0017] The four corners of the top wall of the equipment bottom plate are fixedly connected with fixing plates, and the top walls of multiple fixing plates are fixedly connected with warning lights.

[0018] Through the above technical solution: the warning light on the top wall of the fixed plate is used to issue a warning when the equipment operates abnormally or fails, so as to alert the operator.

[0019] As a further description of the above technical solution:

[0020] The left and right sides of the top wall of the equipment bottom plate are fixedly connected with emergency power supplies.

[0021] Through the above technical solution: the emergency power supply can provide power support when the main power supply fails or is interrupted, ensuring that the bridge deck lifting machine can still operate normally in an emergency.

[0022] As a further description of the above technical solution:

[0023] The four corners of the bottom wall of the equipment bottom plate are fixedly connected with moving wheels.

[0024] Through the above technical solution: the moving wheels enable the entire device to be easily moved and positioned, which is helpful for bridge deck jacking operations at different locations, thereby improving the flexibility and work efficiency of the equipment.

[0025] As a further description of the above technical solution:

[0026] The upper and lower ends of adjacent sides of the plurality of racks are fixedly connected with clamping edges, and the adjacent sides of the plurality of clamping edges are slidably connected to the upper and lower ends of the outer walls of the plurality of cylindrical gears.

[0027] Through the above technical solution: the clamping edge can make the rack more accurate and stable when moving, avoid the separation or misalignment between the rack and the cylindrical gear during the movement of the rack, and enhance the safety performance of the equipment.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, multiple hydraulic cylinders are used to perform telescopic movement up and down. During the jacking process, the telescopic movement of the hydraulic cylinders pushes the top plate and the loading plate to rise or fall, thereby realizing the jacking operation of the bridge deck. In order to ensure stability during the jacking process, the tension spring increases the supporting force of the loading plate through elastic action to reduce vibration and impact. In addition, pressure sensors are installed at the four corners of the top wall of the top plate. These pressure sensors can monitor the pressure distribution on the top plate and the loading plate in real time to ensure safety and stability during the jacking process. Once the pressure exceeds the preset safety threshold, the pressure sensor will immediately sound an alarm to remind the operator to take corresponding measures.

[0030] 2. In the utility model, by starting the rotating motors in multiple motor slots and driving the cylindrical gears to rotate synchronously, the outer wall of the cylindrical gears meshes with the rack, so the rotation of the cylindrical gears drives the rack to move horizontally. A supporting base plate is fixed to the bottom end of the hydraulic column. The supporting base plate increases the contact area between the equipment and the ground, making the jacking process smoother and reducing the risks caused by uneven force. The force guide block ensures that the rack remains stable during movement, avoiding deviation or shaking, while making the entire force-bearing device more stable, thereby improving the safety and stability during the jacking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A three-dimensional diagram of a bridge deck lifting machine proposed by the utility model;

[0032] Figure 2 This is a structural schematic diagram of a hydraulic oil tank of a bridge deck lifting machine proposed by the utility model;

[0033] Figure 3 This is a structural disassembly diagram of a rotating motor for a bridge deck lifting machine proposed in the utility model.

[0034] Legend:

[0035] 1. Equipment base plate; 2. Force-bearing device; 201. Motor slot; 202. Rotating motor; 203. Cylindrical gear; 204. Rack; 205. Hydraulic column; 206. Support base plate; 207. Force guide block; 3. Hydraulic cylinder; 4. Hydraulic oil tank; 5. Oil supplier; 6. Oil pipeline; 7. Top plate; 8. Fixed block; 9. Support shaft; 10. Tension spring; 11. Pressure sensor; 12. Control console; 13. Control button; 14. Display screen; 15. Triangular fixed base; 16. Fixed plate; 17. Warning light; 18. Emergency power supply; 19. Moving wheel; 20. Loading plate; 21. Card edge. DETAILED DESCRIPTION

[0036] 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.

[0037] Reference Figure 1 and Figure 2 , the utility model provides an embodiment: a bridge deck lifting machine, including an equipment bottom plate 1 and a hydraulic oil tank 4, two hydraulic cylinders 3 are fixedly connected to the front and rear sides of the top wall of the equipment bottom plate 1, and oil feeders 5 are fixedly connected to the left and right sides of the top of the hydraulic oil tank 4. The two oil feeders 5 are connected to a plurality of oil pipes 6 on the far side of the two oil feeders 5, and the plurality of oil pipes 6 are respectively connected to the upper end and the lower end of the outer wall of the plurality of hydraulic cylinders 3. The output ends of the plurality of hydraulic cylinders 3 are fixedly connected to a top plate 7, and the front and rear sides of the inner bottom wall of the top plate 7 are fixedly connected to fixed blocks 8, and the two adjacent fixed blocks 8 are rotatably connected to support shafts 9, and the outer wall top of the support shaft 9 is fixedly connected to a loading plate 20, and the left and right sides of the inner top wall of the top plate 7 are fixedly connected to two tension springs 10, and the top ends of the plurality of tension springs 10 are fixedly connected to the bottom wall of the loading plate 20, and the four corners of the top wall of the top plate 7 are fixedly connected to pressure sensors 11, and the bottom wall of the equipment bottom plate 1 is provided with a force-bearing device 2;

[0038] Specifically, the bottom plate 1 of the equipment bears the weight of the entire mechanical structure, and the front and rear sides of its top wall are fixedly connected to four hydraulic cylinders 3. These four hydraulic cylinders 3 are the core power components of the jacking machine. The hydraulic oil tank 4 serves as a power source. The hydraulic oil stored in the tank is transported to each hydraulic cylinder 3 through an oil supply device 5, so that the hydraulic cylinder 3 can move up and down. A fixed block 8 is fixed on the top plate 7 at the top. The fixed blocks 8 are rotatably connected to support shafts 9. The top of the support shaft 9 is fixedly connected to a loading plate 20. The loading plate 20 is used to carry the bridge deck or other heavy objects that need to be jacked. During the jacking process, the telescopic movement of the hydraulic cylinder 3 The top plate 7 and the loading plate 20 are pushed up or down to realize the jacking operation of the bridge deck. In order to ensure the stability during the jacking process, a tension spring 10 is installed on the top wall of the top plate 7 to increase the supporting force of the loading plate 20 through elastic action and reduce vibration and impact. In addition, pressure sensors 11 are installed at the four corners of the top wall of the top plate 7. These pressure sensors 11 can monitor the pressure distribution on the top plate 7 and the loading plate 20 in real time to ensure the safety and stability during the jacking process. Once the pressure exceeds the preset safety threshold, the pressure sensor 11 will immediately sound an alarm to remind the operator to take corresponding measures.

[0039] Reference Figure 1 and Figure 3 The force-bearing device 2 includes a plurality of motor slots 201, the inner top walls of the plurality of motor slots 201 are fixedly mounted with rotating motors 202, the output ends of the plurality of rotating motors 202 are fixedly connected with cylindrical gears 203, the left and right sides of the outer walls of the plurality of cylindrical gears 203 are meshedly connected with racks 204, the ends away from the plurality of racks 204 are fixedly connected with hydraulic columns 205, the bottom ends of the plurality of hydraulic columns 205 are fixedly connected with supporting bottom plates 206, and the outer walls of the plurality of racks 204 are slidably connected with force guide blocks 207;

[0040] Specifically, when it is necessary to lift the bridge deck, first start the rotating motors 202 in the multiple motor slots 201. The output ends of these rotating motors 202 are connected to the cylindrical gears 203. Therefore, the rotation of the rotating motors 202 will drive the cylindrical gears 203 to rotate synchronously. The outer wall of the cylindrical gear 203 is meshed with the rack 204. Therefore, the rotation of the cylindrical gear 203 will drive the rack 204 to move horizontally. A supporting base plate 206 is fixed to the bottom end of the hydraulic column 205. These supporting base plates 206 can be lifted and lowered smoothly under the push of the hydraulic column 205, thereby realizing the lifting of the bridge deck. The supporting base plate 206 increases the contact area between the equipment and the ground, making the lifting process smoother and reducing the risks caused by uneven force. During the movement of the rack 204, the force guide block 207 is slidably connected to the outer wall of the rack 204 to ensure that the rack 204 remains stable during movement, avoiding deviation or shaking, while making the entire force-bearing device 2 more stable, thereby improving the safety and stability of the lifting process.

[0041] Reference Figure 1 A console 12 is fixedly connected to the front side of the top wall of the equipment bottom plate 1, and a plurality of control buttons 13 are fixedly installed on the top wall of the console 12. Two display screens 14 are fixedly installed on the front side of the console 12; a triangular fixed base 15 is fixedly connected to the left and right sides of the bottom end of the outer wall of the hydraulic oil tank 4; fixing plates 16 are fixedly connected to the four corners of the top wall of the equipment bottom plate 1, and warning lights 17 are fixedly connected to the top walls of the plurality of fixing plates 16;

[0042] Specifically, through the multiple control buttons 13 on the top wall of the control console 12, the operator can easily operate and control various functions of the bridge deck lifting machine. The display screen 14 is used to display the operating status, working parameters, fault information, etc. of the bridge deck lifting machine, which helps the operator to understand the working condition of the equipment in real time and promptly discover and solve problems. The triangular fixed base 15 connected to the left and right sides of the bottom end of the outer wall of the hydraulic oil tank 4 can provide stable support to ensure the stability of the hydraulic oil tank 4 during operation and prevent displacement or damage caused by vibration or external force. The warning light 17 on the top wall of the fixing plate 16 is used to issue a warning when the equipment operates abnormally or fails, reminding the operator to pay attention.

[0043] Reference Figure 1 and Figure 3 The left and right sides of the top wall of the equipment bottom plate 1 are fixedly connected with an emergency power supply 18; the four corners of the bottom wall of the equipment bottom plate 1 are fixedly connected with moving wheels 19; the upper and lower ends of the adjacent sides of the multiple racks 204 are fixedly connected with the clamping edges 21, and the adjacent sides of the multiple clamping edges 21 are slidably connected to the upper and lower ends of the outer walls of the multiple cylindrical gears 203;

[0044] Specifically, the emergency power supply 18 can provide power support when the main power supply fails or is interrupted, ensuring that the bridge deck lifting machine can still operate normally in an emergency. The moving wheels 19 at the four corners of the bottom wall of the equipment base plate 1 enable the entire device to be easily moved and positioned, which is helpful for performing bridge deck lifting operations at different positions, thereby improving the flexibility and work efficiency of the equipment. The clamping edge 21 can make the rack 204 more precise and stable when moving, avoiding separation or misalignment between the rack 204 and the cylindrical gear 203 during the movement of the rack 204, thereby enhancing the safety performance of the equipment.

[0045] Working principle: The bottom plate 1 of the equipment bears the weight of the entire mechanical structure. The front and rear sides of its top wall are fixedly connected to four hydraulic cylinders 3. These four hydraulic cylinders 3 are the core power components of the jacking machine. The hydraulic oil tank 4 serves as the power source. The hydraulic oil stored in it is transported to each hydraulic cylinder 3 through the oil supply device 5, so that the hydraulic cylinder 3 can move up and down. A fixed block 8 is fixed on the top plate 7 at the top. The fixed blocks 8 are rotatably connected to the support shaft 9. The top of the support shaft 9 is fixedly connected to the loading plate 20. The loading plate 20 is used to carry the bridge deck or other heavy objects that need to be jacked. During the jacking process, the telescopic movement of the hydraulic cylinder 3 The top plate 7 and the loading plate 20 are pushed up or down to realize the jacking operation of the bridge deck. In order to ensure the stability during the jacking process, a tension spring 10 is installed on the top wall of the top plate 7 to increase the supporting force of the loading plate 20 through elastic action and reduce vibration and impact. In addition, pressure sensors 11 are installed at the four corners of the top wall of the top plate 7. These pressure sensors 11 can monitor the pressure distribution on the top plate 7 and the loading plate 20 in real time to ensure the safety and stability during the jacking process. Once the pressure exceeds the preset safety threshold, the pressure sensor 11 will immediately sound an alarm to remind the operator to take corresponding measures.

[0046] And when it is necessary to lift the bridge deck, first start the rotating motors 202 in the multiple motor slots 201. The output ends of these rotating motors 202 are connected to the cylindrical gears 203, so the rotation of the rotating motors 202 will drive the cylindrical gears 203 to rotate synchronously, and the outer wall of the cylindrical gear 203 is meshed with the rack 204, so the rotation of the cylindrical gear 203 will drive the rack 204 to move horizontally. A supporting base plate 206 is fixed to the bottom end of the hydraulic column 205. These supporting base plates 206 can be lifted and lowered smoothly under the push of the hydraulic column 205, thereby realizing the lifting of the bridge deck. The supporting base plate 206 increases the contact area between the equipment and the ground, making the lifting process smoother and reducing the risks caused by uneven force. During the movement of the rack 204, the force guide block 207 is slidably connected to the outer wall of the rack 204 to ensure that the rack 204 remains stable during movement, avoiding deviation or shaking, while making the entire force-bearing device 2 more stable, thereby improving the safety and stability of the lifting process.

[0047] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bridge deck lifting machine, comprising an equipment bottom plate (1) and a hydraulic oil tank (4), characterized in that: Two hydraulic cylinders (3) are fixedly connected to the front and rear sides of the top wall of the equipment bottom plate (1); the left and right sides of the top of the hydraulic oil tank (4) are fixedly connected to oil feeders (5); the two oil feeders (5) are connected to a plurality of oil delivery pipes (6) on the sides away from each other; the plurality of oil delivery pipes (6) are respectively connected to the upper ends and lower ends of the outer walls of the plurality of hydraulic cylinders (3); the output ends of the plurality of hydraulic cylinders (3) are fixedly connected to a top plate (7); and the front and rear sides of the inner bottom wall of the top plate (7) are fixedly connected to a fixing block (8). A support shaft (9) is rotatably connected between the two adjacent fixed blocks (8), a loading plate (20) is fixedly connected to the top of the outer wall of the support shaft (9), two tension springs (10) are fixedly connected to the left and right sides of the inner top wall of the top plate (7), the top ends of the plurality of tension springs (10) are fixedly connected to the bottom wall of the loading plate (20), pressure sensors (11) are fixedly connected at the four corners of the top wall of the top plate (7), and a force-bearing device (2) is provided on the bottom wall of the equipment bottom plate (1).

2. A bridge deck lifting machine according to claim 1, characterized in that: The force-bearing device (2) comprises a plurality of motor slots (201), the inner top walls of the plurality of motor slots (201) are all fixedly mounted with rotating motors (202), the output ends of the plurality of rotating motors (202) are all fixedly connected with cylindrical gears (203), the left and right sides of the outer walls of the plurality of cylindrical gears (203) are meshingly connected with racks (204), the ends away from the plurality of racks (204) are all fixedly connected with hydraulic columns (205), the bottom ends of the plurality of hydraulic columns (205) are all fixedly connected with supporting bottom plates (206), and the outer walls of the plurality of racks (204) are all slidably connected with force guide blocks (207).

3. A bridge deck lifting machine according to claim 1, characterized in that: A control console (12) is fixedly connected to the front side of the top wall of the device bottom plate (1), a plurality of control buttons (13) are fixedly mounted on the top wall of the control console (12), and two display screens (14) are fixedly mounted on the front side of the control console (12).

4. A bridge deck lifting machine according to claim 1, characterized in that: A triangular fixed base (15) is fixedly connected to the left and right sides of the bottom end of the outer wall of the hydraulic oil tank (4).

5. The bridge deck lifting machine according to claim 1, characterized in that: The top wall of the equipment bottom plate (1) is fixedly connected to four corners with fixing plates (16), and the top walls of a plurality of the fixing plates (16) are fixedly connected to warning lights (17).

6. A bridge deck lifting machine according to claim 1, characterized in that: The left and right sides of the top wall of the equipment bottom plate (1) are fixedly connected to emergency power supplies (18).

7. A bridge deck lifting machine according to claim 1, characterized in that: Moving wheels (19) are fixedly connected to the four corners of the bottom wall of the equipment bottom plate (1).

8. The bridge deck lifting machine according to claim 2, characterized in that: The upper and lower ends of adjacent sides of the plurality of racks (204) are fixedly connected to a clamping edge (21), and the adjacent sides of the plurality of clamping edges (21) are slidably connected to the upper and lower ends of the outer walls of the plurality of cylindrical gears (203).

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