CN216360370U

CN216360370U - Jack for bridge engineering

Info

Publication number: CN216360370U
Application number: CN202122488006.6U
Authority: CN
Inventors: 马清辉
Original assignee: Individual
Current assignee: Jiangxi Baize Construction Engineering Co.,Ltd.
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-22
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses a jack for bridge engineering, and belongs to the technical field of bridge engineering. The utility model provides a jack for bridge engineering, is including removing the seat, the pivot outside is symmetrical structure and has seted up two external screw threads, threaded sleeve bottom surface articulates there is the connecting rod, two the connecting rod below is equipped with the backup pad, the backup pad bottom is linear equidistant a plurality of stoppers have set firmly, is located the front side threaded sleeve top surface has set firmly the movable plate, it has two bull stick A to remove board top surface both ends symmetry and articulate, bull stick A inboard side is equipped with bull stick B, it is equipped with the lifting seat to remove seat front side top, bull stick B rear end articulates there is the sliding seat, the spout has been seted up for the position of sliding seat outside end to lifting seat bottom surface. The gravity of the heavy object is shared to the ground more by increasing the contact area of the device and the ground, so that the energy consumption is saved, the construction cost is reduced, and the weight is obtained at one stroke.

Description

Jack for bridge engineering

Technical Field

The utility model relates to the technical field of bridge engineering, in particular to a jack for bridge engineering.

Background

The bridge engineering refers to the working process of bridge surveying, designing, constructing, maintaining, detecting and the like and the scientific and engineering technology for researching the process, is a branch of civil engineering, and in the process of bridge construction, jacks are needed to be used for supporting heavy objects in part of links so as to facilitate the construction operation of working personnel.

Through retrieval, the patent disclosing CN211283562U discloses a jack for bridge engineering, thereby fixed with the bridge post through mutually supporting of second slider and first slider, thereby fixed with the bridge post through mutually supporting of third slider and fourth slider to realize the connection between bridge post and the jack and fix, make it can be on the bridge post arbitrary angle's connection fixed.

The construction site of the bridge engineering is mostly a river bank area with high soil humidity, however, the supporting surface of the existing device which one end of the existing device can be contacted with the ground is narrow, the reaction force borne by the existing device when the weight is jacked easily causes the weight to sink into the soil, so that the failure of jacking the weight is not only caused, but also the problem that workers are injured by pounding due to the fact that the jacking is not firm enough is easy to occur, moreover, the contact surface between the existing device and the jacked weight is extremely limited, if the length of the jacked weight is too large, the two ends of the jacked weight can be bent under the action of the weight of the jacked weight, and then the jacked object is damaged.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a jack for bridge engineering to solve the problems in the background technology.

2. Technical scheme

A jack for bridge engineering comprises a moving seat, wherein four idler wheels are symmetrically and rotatably connected to the outer walls of two sides of the moving seat, a rotating shaft penetrates through the upper side inside the moving seat, the rear end of the rotating shaft penetrates through the rear wall inside the moving seat and extends to the outside, a motor is coaxially and fixedly connected with the rotating shaft, two external threads are symmetrically arranged outside the rotating shaft, two threaded sleeves are symmetrically sleeved outside the rotating shaft, connecting rods are hinged to the bottom surfaces of the threaded sleeves, supporting plates are arranged below the two connecting rods, a plurality of limiting blocks are fixedly arranged on the bottom surfaces of the supporting plates at linear equal intervals, a moving plate is fixedly arranged on the top surface of the threaded sleeve positioned on the front side, two rotating rods A are symmetrically hinged to the two ends of the top surface of the moving plate, a rotating rod B is arranged on the inner side of the rotating rod A, a lifting seat is arranged above the front side of the moving seat, and a sliding seat is hinged to the rear end of the rotating rod B, the bottom surface of the lifting seat is provided with a sliding groove relative to the position of the outer side end of the sliding seat.

Preferably, the movable seat is of a square structure, the top surface of the movable seat is of a U-shaped structure, the front end and the rear end of the rotating shaft are respectively rotatably connected with the upper parts of the front inner wall and the rear inner wall of the movable seat, and the front wall of the motor is fixedly connected with the rear wall of the movable seat.

Preferably, the threaded sleeve is in threaded connection with the external thread, the two connecting rods are arranged in a splayed structure with a large upper part and a small lower part, the outer wall of the supporting plate is in sliding contact with the inner wall of the moving seat, and the lower ends of the connecting rods are hinged to the top surface of the supporting plate.

Preferably, the stopper is the wave type structure setting, the stopper cross section is most advanced down the triangular prism structure, movable plate both sides bottom surface and the sliding contact of removal seat both sides top surface.

Preferably, the rotating rod A and the rotating rod B are arranged in a cross structure, the front end of the rotating rod B is hinged to the top surface of the moving seat, the front end of the rotating rod A is hinged to the bottom surface of the lifting seat, the outer side end of the sliding seat and the sliding groove are both in a T-shaped structure, and the outer side end of the sliding seat is in sliding fit with the sliding groove.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. the lifting device is provided with the rotating shaft, the supporting plate and the lifting seat, so that a worker can realize that the supporting plate can generate supporting force on the device through the ground through the motor, and meanwhile, the lifting seat can also lift a heavy object to be supported, so that the gravity of the heavy object is shared to the ground more by increasing the contact area of the device and the ground, the energy consumption can be saved, the construction cost can be reduced, and the lifting device can achieve the aim of achieving two purposes at one time.

2. The anti-slip device is provided with the supporting plate and the limiting block, the device can not only share the gravity to the ground under the action of the supporting plate, but also prevent the device from sinking into soil under the action of excessive weight, and on the other hand, the device can be more tightly connected with the ground under the wave-shaped structural design of the limiting block, so that the firmness and the anti-slip performance of the device are greatly enhanced, and the anti-slip device is strong in practicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a movable base according to the present invention;

FIG. 3 is a schematic view of the connection relationship between the lifting plate, the supporting plate and the rotating shaft according to the present invention;

fig. 4 is an exploded view of the present invention.

The reference numbers in the figures illustrate: 1. a movable seat; 2. a roller; 3. a rotating shaft; 4. an electric motor; 5. an external thread; 6. a threaded bushing; 7. a connecting rod; 8. a support plate; 9. a limiting block; 10. moving the plate; 11. a rotating rod A; 12. a rotating rod B; 13. lifting the seat; 14. a sliding seat; 15. a chute.

Detailed Description

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a jack for bridge engineering, including removing seat 1, it is connected with four gyro wheels 2 to remove 1 both sides outer wall symmetry rotation of seat, it runs through and is equipped with pivot 3 to remove 1 inside upside of seat, 3 rear ends in pivot run through and remove 1 inside rear wall and extend to outside and coaxial fixedly connected with

motor

4, 3 outsides in pivot are symmetrical structure and have seted up two

external screw threads

5, 3 outside symmetrical covers in pivot are equipped with two

screw sleeve

6, 6 bottom surfaces of screw sleeve articulate there is connecting rod 7, two connecting rod 7 below are equipped with

backup pad

8, 8 bottom surfaces of backup pad are linear equidistant a plurality of stopper 9 that have set firmly, 6 top surfaces of screw sleeve that are located the front side have set firmly

movable plate

10, 10 top surface both ends symmetry of movable plate articulate there are two bull stick A11, bull stick A11 inboard side is equipped with bull stick B12, it is equipped with lifting seat 13 to remove seat front side top, the articulated seat 14 that has the rear end of bull stick B12, spout 15 has been seted up to the bottom surface for the position of the outside end of sliding seat 14.

Specifically, remove seat 1 and be the square structure, remove seat 1 top surface and be U type structure, both ends rotate with removal seat 1 front and back inner wall upper portion respectively around pivot 3 and are connected, and motor 4 antetheca is connected fixedly with removing seat 1 back wall.

Further, threaded

sleeve

6 and 5 threaded connection of external screw thread, two connecting rods 7 are big-end-up's eight style of calligraphy structure setting, 8 outer walls of backup pad and the sliding contact of 1 inner wall of removal seat, and 7 lower extremes of connecting rod are articulated with 8 top surfaces of backup pad.

Furthermore, the limiting blocks 9 are arranged in a wave-shaped structure, the cross section of each limiting block 9 is of a structure with a tip end facing downwards to form a triangular prism, the bottom surfaces of two sides of the moving plate 10 are in sliding contact with the top surfaces of two sides of the moving seat 1, when a heavy object on a bridge engineering construction site needs to be supported by a worker, the device can be moved to the site by the aid of the rollers 2, the lifting seat 13 corresponds to the object to be lifted, the rotating shaft 3 can be driven to rotate by the aid of the motor 4, the two threaded sleeves 6 can make linear motions in opposite directions under the action of the external threads 5 on the two sides under the rotation of the rotating shaft 3, and due to the fact that the distance between the two threaded sleeves and the supporting plate 8 is changed, the two connecting rods 7 hinged in the splayed structure between the lower parts of the two threaded sleeves and the supporting plate 8 tend to be in a vertical state, the supporting plate 8 can slowly descend and can be in contact with the ground to generate a supporting effect, and the limiting blocks 9 on the bottom surface of the supporting plate 8 can be inserted into soil to limit the relative position of the supporting plate 8 and the ground The position to this can not only share this device gravity that receives to bigger regional subaerial through enlarging the contact surface, but also can make this device and ground be connected more stably, even at domatic position also be difficult to produce the swift current car problem.

Still further, the rotating rod a11 and the rotating rod B12 are arranged in a cross-shaped structure, the front end of the rotating rod B12 is hinged to the top surface of the moving seat, the front end of the rotating rod a11 is hinged to the bottom surface of the lifting seat 13, the outer end of the sliding seat 14 and the sliding groove 15 are both in a T-shaped structure, the outer end of the sliding seat 14 is in sliding fit with the sliding groove 15, the moving plate 10 can move forward along with the threaded sleeve 6 on the front side along with the rotation of the rotating shaft 3, the rotating rod a11 can gradually become a vertical state in the moving process of the moving plate 10, the lifting seat 13 can also ascend and pull the rotating rod B12 to change to the vertical state along with the rotation of the rotating shaft 3, the sliding seat 14 can also slide to the front side of the sliding groove 15 along with the gradual erection of the rotating rod B12, and the effect of supporting heavy objects can be achieved through the structure.

The working principle is as follows: when a worker needs to support a heavy object on a bridge engineering construction site, the device can be moved to the site by using the rollers 2, the lifting seat 13 of the device corresponds to the position of the object to be lifted, then the motor 4 can be used for driving the rotating shaft 3 to rotate, the two threaded sleeves 6 can do linear motion in opposite directions under the action of the external threads 5 on the two sides under the rotation of the rotating shaft 3, because the distance between the two is changed, the two connecting rods 7 hinged between the lower parts of the two and the supporting plate 8 in a splayed structure tend to be in a vertical state, so that the supporting plate 8 can slowly descend and contact with the ground to generate a supporting effect, the limiting blocks 9 on the bottom surface of the supporting plate 8 can be inserted into soil to limit the relative position of the supporting plate 8 and the ground, so that the gravity borne by the device can be shared to the ground in a larger area by enlarging the contact surface, the device can be connected with the ground more stably, the problem of vehicle sliding is not easy to occur even in a slope position, meanwhile, the moving plate 10 moves forwards along with the threaded sleeve 6 on the front side, the rotating rod A11 gradually becomes a vertical state in the moving process of the moving plate 10, the lifting seat 13 also ascends and pulls the rotating rod B12 to change to the vertical state, and the sliding seat 14 also slides towards the front side of the sliding groove 15 along with the gradual erection of the rotating rod B12, so that the effect of supporting heavy objects can be achieved through the structure.

Claims

1. The utility model provides a jack for bridge engineering, is including removing seat (1), its characterized in that: the movable base is characterized in that four idler wheels (2) are symmetrically and rotatably connected to the outer walls of two sides of the movable base (1), a rotating shaft (3) penetrates through the upper side inside the movable base (1), the rear end of the rotating shaft (3) penetrates through the rear wall inside the movable base (1) and extends to the outside and is fixedly connected with a motor (4) coaxially, two external threads (5) are arranged on the outside of the rotating shaft (3) in a symmetrical structure, two threaded sleeves (6) are symmetrically sleeved on the outside of the rotating shaft (3), connecting rods (7) are hinged to the bottom surface of each threaded sleeve (6), a supporting plate (8) is arranged below each connecting rod (7), a plurality of limiting blocks (9) are fixedly arranged on the bottom surface of each supporting plate (8) in a linear and equidistant mode, a movable plate (10) is fixedly arranged on the top surface of each threaded sleeve (6) located on the front side, and two rotating rods A (11) are symmetrically hinged to the two ends of the top surface of the movable plate (10), the utility model discloses a lifting seat, including swivel rod A (11), removal seat (1), swivel rod A (11) inboard side is equipped with swivel rod B (12), removal seat (1) front side top is equipped with lifting seat (13), swivel rod B (12) rear end articulates there is sliding seat (14), spout (15) have been seted up for the position of sliding seat (14) outside end to lifting seat (13) bottom surface.

2. A jack for bridge engineering according to claim 1, wherein: remove seat (1) and be mouthful style of calligraphy structure, remove seat (1) top surface and be U type structure, both ends rotate with inner wall upper portion around removing seat (1) respectively around pivot (3) and be connected, motor (4) antetheca is connected fixedly with removal seat (1) back wall.

3. A jack for bridge engineering according to claim 1, wherein: threaded sleeve pipe (6) and external screw thread (5) threaded connection, two connecting rod (7) are big-end-up's eight style of calligraphy structure setting, backup pad (8) outer wall and removal seat (1) inner wall sliding contact, connecting rod (7) lower extreme is articulated with backup pad (8) top surface.

4. A jack for bridge engineering according to claim 1, wherein: stopper (9) are the setting of wave type structure, stopper (9) cross section is most advanced down the triangular prism structure, movable plate (10) both sides bottom surface with remove seat (1) both sides top surface sliding contact.

5. A jack for bridge engineering according to claim 1, wherein: the rotary rod A (11) and the rotary rod B (12) are arranged in a cross structure, the front end of the rotary rod B (12) is hinged to the top surface of the moving seat (1), the front end of the rotary rod A (11) is hinged to the bottom surface of the lifting seat (13), the outer side end of the sliding seat (14) is of a T-shaped structure with the sliding groove (15), and the outer side end of the sliding seat (14) is in sliding fit with the sliding groove (15).