阅读说明：本技术 一种自锁式桥梁顶升装置 (Self-locking bridge jacking device ) 是由 王军 于 2019-10-08 设计创作，主要内容包括：本发明公开了一种自锁式桥梁顶升装置,包括顶升装置主体,所述顶升装置主体的底部安装有支撑座,所述支撑座的顶部安装有连接座,所述第一活塞腔的内部安装有顶升杆,所述第二活塞腔的内部安装有加强防护杆,所述托板的顶部安装有缓冲套,所述缓冲套的顶部安装有抗压杆,所述抗压杆的顶部安装有防滑顶板,所述加强防护杆的顶部安装有加强支撑头,所述加强支撑头的顶部安装有锁头,且锁头与加强支撑头之间安装有缓冲杆。本发明的顶升装置主体的内部设置有第一活塞腔和第二活塞腔,且第一活塞腔设置有六个,在六个第一活塞腔内均安装有顶升杆,通过六个顶升杆同时对托板支撑,使顶升强度大大增大,动力能力提高。(The invention discloses a self-locking bridge jacking device which comprises a jacking device main body, wherein a supporting seat is installed at the bottom of the jacking device main body, a connecting seat is installed at the top of the supporting seat, a jacking rod is installed inside a first piston cavity, a reinforcing protection rod is installed inside a second piston cavity, a buffer sleeve is installed at the top of a supporting plate, a compression resisting rod is installed at the top of the buffer sleeve, an anti-skidding top plate is installed at the top of the compression resisting rod, a reinforcing support head is installed at the top of the reinforcing protection rod, a lock head is installed at the top of the reinforcing support head, and a buffer rod is installed between the lock head and the reinforcing support head. The jacking device comprises a jacking device body, wherein six first piston cavities and six second piston cavities are arranged in the jacking device body, and the six first piston cavities are respectively provided with a jacking rod, and the six jacking rods simultaneously support a supporting plate, so that the jacking strength is greatly increased, and the power capacity is improved.)

1. A self-locking bridge jacking device comprises a jacking device main body (7) and is characterized in that a supporting seat (8) is installed at the bottom of the jacking device main body (7), a connecting seat (9) is installed at the top of the supporting seat (8), a shaft bracket (14) is installed on one side of the jacking device main body (7), a gas pipe furling shaft (13) is installed on the shaft bracket (14), a gas pipe (15) is installed on the gas pipe furling shaft (13), a first piston cavity (16) and a second piston cavity (20) are arranged inside the jacking device main body (7), a jacking rod (5) is installed inside the first piston cavity (16), a reinforcing protective rod (12) is installed inside the second piston cavity (20), a piston head (17) is installed at one end of each jacking rod (5) and one end of each reinforcing protective rod (12), support plate (4) are installed to the other end of jacking rod (5), cushion collar (3) are installed at the top of support plate (4), compression resistant pole (2) are installed at the top of cushion collar (3), anti-skidding roof (1) are installed at the top of compression resistant pole (2), strengthen the top of protective rod (12) and install and strengthen supporting head (6), strengthen the top of supporting head (6) and install tapered end (10), and install buffer beam (11) between tapered end (10) and the strengthening supporting head (6).

2. The self-locking bridge jacking device according to claim 1, wherein: the outside of tapered end (10) is installed latch (26), and latch (26) set up structure as an organic whole with tapered end (10).

3. The self-locking bridge jacking device according to claim 1, wherein: the bottom of the supporting plate (4) is provided with a locking groove (24), and the side of the locking groove (24) is provided with a latch engaging groove (25).

4. The self-locking bridge jacking device according to claims 2 and 3, wherein: the lock head (10) is connected with a latch engaging groove (25) on the lock groove (24) in an embedding and locking way through a latch (26).

5. The self-locking bridge jacking device according to claim 1, wherein: the bottom of the first piston cavity (16) and the bottom of the second piston cavity (20) are both provided with a shunt pipe (21), and the middle part of the shunt pipe (21) is provided with an air inlet (22).

6. The self-locking bridge jacking device according to claim 1, wherein: the bottom of jacking device main part (7) is installed the spiral shell head, and jacking device main part (7) pass through spiral shell head and connecting seat (9) fixed connection.

7. The self-locking bridge jacking device according to claim 1, wherein: the piston is characterized in that an oil liquid layer (18) and a gas storage layer (19) are arranged inside the first piston cavity (16) and the second piston cavity (20), the oil liquid layer (18) is located below the piston head (17), and the gas storage layer (19) is located below the oil liquid layer (18).

8. The self-locking bridge jacking device according to claim 1, wherein: one end of the gas conveying pipe (15) is connected with the gas inlet (22), and the gas inlet (22) is arranged at the joint of the shunt pipes (21).

Technical Field

The invention relates to the field of bridge jacking devices, in particular to a self-locking bridge jacking device.

Background

The bridge jacking device is used for controlling jacking of the bridge, so that collapse of the bridge can be prevented, and the height of the bridge can be conveniently controlled. In order to adapt to the modern traffic industry with high-speed development, a bridge is also extended to be a building which is erected to span mountain stream, unfavorable geology or meet other traffic needs and enables traffic to be more convenient, the bridge generally consists of an upper structure, a lower structure, a support and an attached structure, the upper structure is also called a bridge span structure and is a main structure for spanning obstacles, and the lower structure comprises a bridge abutment, a pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures include bridge end attachment plates, tapered revetments, and diversion works

The hydraulic jack is also called oil jack, which adopts plunger or hydraulic cylinder as rigid jacking part, simple hoisting equipment is only provided with hoisting mechanism, the hydraulic jack is used for lifting a heavy object and comprises a shell, a large piston, a small piston, a wrench, an oil tank and other components, the wrench moves upwards to drive the small piston to move upwards, oil in the oil tank is sucked into the lower part of the small piston through an oil pipe and a one-way valve, the wrench drives the small piston to move downwards when pressing downwards, oil passages at the lower parts of the oil tank and the small piston are blocked by the one-way valve, the oil at the lower part of the small piston is pressed into the lower part of the large piston through an internal oil passage and the one-way valve, the pressure of the lower part of the small piston is increased by tens of times under the lever action, the area of the large piston is tens of times of the area of the small piston, oil pressure generated manually is extruded into the large piston.

The bridge jacking device at the present stage has many defects, for example, the jacking strength is not enough, the protection capability is poor, the buffering effect is poor, and the bridge cannot be subjected to self-locking protection.

Disclosure of Invention

The invention aims to provide a self-locking bridge jacking device, which solves the problems that jacking strength is insufficient, protection capability is poor, buffering effect is poor, and self-locking protection cannot be performed on a bridge in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a self-locking bridge jacking device comprises a jacking device main body, wherein a supporting seat is installed at the bottom of the jacking device main body, a connecting seat is installed at the top of the supporting seat, a shaft bracket is installed at one side of the jacking device main body, a gas pipe rolling shaft is installed on the shaft bracket, a gas pipe is installed on the gas pipe rolling shaft, a first piston cavity and a second piston cavity are arranged inside the jacking device main body, a jacking rod is installed inside the first piston cavity, a reinforcing protection rod is installed inside the second piston cavity, piston heads are installed at one ends of the jacking rod and the reinforcing protection rod, a supporting plate is installed at the other end of the jacking rod, a buffering sleeve is installed at the top of the supporting plate, an anti-pressure rod is installed at the top of the buffering sleeve, an anti-skid top plate is installed at the top of the anti-pressure rod, and a reinforcing supporting head is installed at the top of, the top of the reinforced supporting head is provided with a lock head, and a buffer rod is arranged between the lock head and the reinforced supporting head.

Preferably, the outside of tapered end is installed the latch, and latch and tapered end set up as an organic whole structure.

Preferably, the bottom of the supporting plate is provided with a locking groove, and the side of the locking groove is provided with a latch engaging groove.

Preferably, the lock head is connected with the latch meshing groove on the lock groove in an embedded locking manner through the latch.

Preferably, the bottom of the first piston cavity and the bottom of the second piston cavity are both provided with a flow dividing pipe, and the middle part of the flow dividing pipe is provided with an air inlet.

Preferably, the bottom of the jacking device body is provided with a screw head, and the jacking device body is fixedly connected with the connecting seat through the screw head.

Preferably, the inside in first piston chamber and second piston chamber all is provided with oil liquid layer and gas storage layer, and the oil liquid level is located the below of piston head, and the gas storage layer is located the below of oil liquid layer.

Preferably, one end of the gas conveying pipe is connected with the gas inlet, and the gas inlet is arranged at the joint of the plurality of shunt pipes.

Compared with the prior art, the invention has the beneficial effects that: the jacking device comprises a jacking device body, a first piston cavity and a second piston cavity are arranged in the jacking device body, six first piston cavities are arranged, jacking rods are arranged in the six first piston cavities, a supporting plate is simultaneously supported by the six jacking rods, the jacking strength is greatly increased, the power capacity is improved, a reinforcing protective rod is arranged in the second piston cavity, a reinforcing supporting head is arranged at the top of the reinforcing protective rod, a lock head is arranged at the top of the reinforcing supporting head, the supporting plate can be reinforced and protected by the lock head, the jacking effect is improved, a lock groove is arranged at the bottom of the supporting plate, a latch meshing groove is arranged at the side of the lock groove, the lock head is conveniently embedded and fixed with the lock groove, self-locking and fixing can be realized through the lock groove, the jacking rods are prevented from being damaged due to overpressure, the safety is improved, a compression resisting rod is arranged at the top of the supporting plate, and a buffer sleeve is arranged, through its buffer capacity that can increase anti-skidding roof, the resistance to compression effect of increase device.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a jacking device body according to the present invention.

Fig. 3 is a bottom view of the pallet of the present invention.

Fig. 4 is a front view of the compression resistant lever of the present invention.

Fig. 5 is a top view of the lock cylinder of the present invention.

In the figure: 1. an anti-skid top plate; 2. a compression resistant lever; 3. a buffer sleeve; 4. a support plate; 5. a jacking rod; 6. reinforcing the support head; 7. a jacking device main body; 8. a supporting seat; 9. a connecting seat; 10. a lock head; 11. a buffer rod; 12. reinforcing the guard bar; 13. a gas pipe furling shaft; 14. a pedestal; 15. a gas delivery pipe; 16. a first piston chamber; 17. a piston head; 18. an oil layer; 19. a gas storage layer; 20. a second piston chamber; 21. a shunt tube; 22. an air inlet; 23. an interface; 24. locking the groove; 25. a latch engaging groove; 26. and (4) clamping teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the invention, a self-locking bridge jacking device comprises a jacking device main body 7, a screw head is installed at the bottom of the jacking device main body 7, the jacking device main body 7 is fixedly connected with a connecting seat 9 through the screw head, the jacking device main body 7 is conveniently and fixedly connected with the connecting seat 9 through the screw head design, a supporting seat 8 is installed at the bottom of the jacking device main body 7, the supporting seat 8 is convenient for placing the jacking device main body 7, the connecting seat 9 is installed at the top of the supporting seat 8, a shaft bracket 14 is installed at one side of the jacking device main body 7, the shaft bracket 14 is convenient for installing a gas pipe furling shaft 13, a gas pipe furling shaft 13 is installed on the shaft bracket 14, the gas pipe furling shaft 13 is used for furling the gas pipe 15 and is convenient for controlling the gas pipe 15 to conduct remote gas transmission, the gas pipe 15 is installed on the, the air inlet 22 is arranged at the joint of the plurality of shunt tubes 21, the jacking device main body 7 is internally provided with a first piston cavity 16 and a second piston cavity 20, the first piston cavity 16 and the second piston cavity 20 are internally provided with an oil liquid layer 18 and a gas storage layer 19, the oil liquid layer 18 is positioned below the piston head 17, the gas storage layer 19 is positioned below the oil liquid layer 18, the shunt tubes 21 are respectively arranged at the bottoms of the first piston cavity 16 and the second piston cavity 20, the shunt tubes 21 can shunt the gas conveyed by the gas conveying pipe 15 into six first piston cavities 16 and one second piston cavity 20, the middle part of the shunt tubes 21 is provided with the air inlet 22, the jacking rod 5 is arranged in the first piston cavity 16, the reinforcing protection rod 12 is arranged in the second piston cavity 20, the piston head 17 is arranged at one end of the jacking rod 5 and one end of the reinforcing protection rod 12, the supporting plate 4 is arranged at the other end of the jacking rod 5, the supporting plate 4 facilitates the installation of the compression resistant rod 2 and is used for supporting qui the compression resistant rod 2, the bottom of the supporting plate 4 is provided with a locking groove 24, and the side of the lock groove 24 is provided with a latch engaging groove 25, the lock groove 24 is conveniently designed to be connected with a lock head 10 at the top end of the reinforced protection rod 12 in a locking manner, the top of the supporting plate 4 is provided with a buffer sleeve 3, the buffer sleeve 3 can improve the buffer capacity of the compression resistant rod 2 and increase the safety performance of the compression resistant rod, the top of the buffer sleeve 3 is provided with the compression resistant rod 2, the top of the compression resistant rod 2 is provided with an anti-skidding top plate 1, the top of the reinforced protection rod 12 is provided with a reinforced support head 6, the top of the reinforced support head 6 is provided with the lock head 10, the lock head 10 is embedded and locked with the latch engaging groove 25 on the lock groove 24 through a latch 26, the latch 26 and the lock head 10 are integrated, and a buffer rod 11 is arranged between the lock head 10 and the reinforced support head 6.

The working principle of the invention is as follows: when the device is used, the jacking device main body 7 is placed below a bridge, the antiskid top plate 1 is contacted with the bottom of the bridge, the air supply device is connected through the air pipe 15, the air pipe 15 conveys air into the air inlet 22, the air inlet 22 divides the air into six first piston cavities 16 and six second piston cavities 20 through the shunt pipes 21, the air pressure in the air storage layers 19 in the first piston cavities 16 and the second piston cavities 20 is changed, the oil liquid layer 18 generates pressure through the air pressure change, the oil liquid layer 18 is used as power to drive the jacking rods 5 to lift in the first piston cavities 16, the lifting of the supporting plate 4 is controlled through the lifting of the jacking rods 5, the supporting plate 4 controls the antiskid top plate 1 to jack the bridge through the compression resistant rods 2, and simultaneously, the reinforcing protective rod 12 lifts in the second piston cavities 20 when the air pressure changes, the reinforcing protective rod 12 controls the lock heads 10 at the top end of the reinforcing protective rod 12 to be embedded into the lock grooves 24 at the bottom of the supporting plate 4, the reinforcing protection rod 12 is used for supporting the supporting plate 4 in an auxiliary mode, dangerous accidents and equipment damage caused by overpressure retraction of the jacking rod 5 are prevented, and the device is enabled to be self-locked and protected.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.