CN110550570B - Self-locking bridge jacking device - Google Patents
Self-locking bridge jacking device Download PDFInfo
- Publication number
- CN110550570B CN110550570B CN201910947796.4A CN201910947796A CN110550570B CN 110550570 B CN110550570 B CN 110550570B CN 201910947796 A CN201910947796 A CN 201910947796A CN 110550570 B CN110550570 B CN 110550570B
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- CN
- China
- Prior art keywords
- jacking device
- rod
- jacking
- head
- piston cavity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/30—Constructional features with positive brakes or locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/32—Constructional features with means for avoiding excessive shocks on completion of movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/05—Hydraulic jacks
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a self-locking bridge jacking device which comprises a jacking device main body, wherein a supporting seat is arranged at the bottom of the jacking device main body, a connecting seat is arranged at the top of the supporting seat, a jacking rod is arranged in a first piston cavity, a reinforced protection rod is arranged in a second piston cavity, a buffer sleeve is arranged at the top of a supporting plate, a compression resisting rod is arranged at the top of the buffer sleeve, an anti-slip top plate is arranged at the top of the compression resisting rod, a reinforced supporting head is arranged at the top of the reinforced protection rod, a locking head is arranged at the top of the reinforced supporting head, and a buffer rod is arranged between the locking head and the reinforced supporting head. 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, and the six jacking rods support a supporting plate at the same time, so that the jacking strength is greatly increased, and the power capacity is improved.
Description
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 the jacking of the bridge, can prevent the bridge from collapsing, is convenient for controlling the height of the bridge, and generally refers to a structure which is erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to pass smoothly. In order to adapt to the traffic industry of modern high-speed development, bridges are also extended to be buildings which are erected to span mountain ranges, poor geology or meet other traffic requirements and are convenient to pass, the bridges generally consist of an upper structure, a lower structure, a support and an accessory structure, the upper structure is also called a bridge span structure, the upper structure is a main structure for crossing obstacles, and the lower structure comprises bridge abutments, bridge piers and foundations; the support is a force transmission device arranged at the supporting position of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structure is bridge end butt strap, cone slope protection, bank protection, diversion engineering, etc
The hydraulic jack is also called as oil jack, it is a jack using plunger or hydraulic cylinder as rigid jack, the simple jack equipment is only provided with lifting mechanism for lifting heavy object, the jack is composed of shell, large piston, small piston, wrench and oil tank, etc. the working principle is that the wrench is driven upward by the small piston, the oil in the oil tank is sucked into the lower portion of small piston through oil pipe and one-way valve, the wrench is driven downward by the small piston, the oil tank and the lower portion of small piston are blocked by one-way valve, the oil in the lower portion of small piston is pressed into the lower portion of large piston through internal oil path and one-way valve, the pressure of lower portion of small piston is increased by several tens of times, the area of large piston is tens of times of area of small piston, the oil pressure produced by hand is extruded into large piston, the area ratio of large piston is the same as the pressure ratio of pressure ratio is known by Pascal principle.
The bridge jacking device in the current stage has a plurality of defects, such as insufficient jacking strength, poor protection capability, poor buffering effect and incapability of self-locking protection of the bridge.
Disclosure of Invention
The invention aims to provide a self-locking bridge jacking device which is used for solving the problems that in the prior art, jacking strength is insufficient, protection capability is poor, buffering effect is poor and self-locking protection cannot be carried out on a bridge.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a self-locking bridge jacking device, includes jacking device main part, the supporting seat is installed to the bottom of jacking device main part, the connecting seat is installed at the top of supporting seat, the pedestal is installed to one side of jacking device main part, install the gas-supply pipe roll-up axle on the pedestal, install the gas-supply pipe on the gas-supply pipe roll-up axle, the inside of jacking device main part is provided with first piston chamber and second piston chamber, the internally mounted in first piston chamber has the jacking rod, the internally mounted in second piston chamber has the reinforcing protection pole, the piston head is all installed to the one end of jacking rod and reinforcing protection pole, the layer board is installed to the other end of jacking rod, the buffer cover is installed at the top of layer board, the anti-compression pole is installed at the top of buffer cover, the anti-slip roof is installed at the top of anti-compression pole, the reinforcing protection pole is installed at the top of reinforcing protection pole and is strengthened the supporting head and install the tapered end, and strengthen and install the buffer rod between the supporting head.
Preferably, the latch is installed on the outer side of the lock head, and the latch and the lock head are arranged into an integrated structure.
Preferably, a locking groove is formed in the bottom of the supporting plate, and a latch meshing groove is formed in the side of the locking groove.
Preferably, the lock head is connected with the latch meshing groove on the locking groove through a latch in a inlaid and locked manner.
Preferably, the bottom of first piston chamber and second piston chamber all installs the shunt tubes, and the middle part of shunt tubes is provided with the air inlet.
Preferably, the screw head is installed at the bottom of the jacking device main body, and the jacking device main body is fixedly connected with the connecting seat through the screw head.
Preferably, the first piston cavity and the second piston cavity are both internally provided with an oil liquid layer and an air storage layer, the oil liquid layer is located below the piston head, and the air storage layer is located below the oil liquid layer.
Preferably, one end of the gas 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, wherein a first piston cavity and a second piston cavity are arranged in the jacking device body, six first piston cavities are provided, jacking rods are arranged in the six first piston cavities, the six jacking rods are used for supporting a supporting plate at the same time, so that the jacking strength is greatly increased, the power capacity is improved, a reinforcing protection rod is arranged in the second piston cavity, a reinforcing supporting head is arranged at the top of the reinforcing protection rod, a locking head is arranged at the top of the reinforcing supporting head, the supporting plate can be reinforced and protected through the locking head, the jacking effect is improved, a locking groove is arranged at the bottom of the supporting plate, a latch meshing groove is arranged at the side of the locking groove, the locking head is conveniently embedded and fixed with the locking groove, the locking rod can be used for self-locking and fixing, the overpressure damage of the jacking rod is prevented, the safety is improved, a compression resisting rod is arranged at the top of the supporting plate, a buffer sleeve is arranged on the compression resisting rod, the buffering capacity of a sliding resisting top plate can be increased, and the compression resisting effect of the device is increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a main body of a jacking device 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 anti-compression rod of the present invention;
fig. 5 is a top view of the lock cylinder of the present invention.
In the figure: 1. an anti-slip top plate; 2. a compression resistant rod; 3. a buffer sleeve; 4. a supporting plate; 5. a lifting rod; 6. reinforcing the support head; 7. jacking the device main body; 8. a support base; 9. a connecting seat; 10. a lock head; 11. a buffer rod; 12. reinforcing a protective rod; 13. a gas pipe winding shaft; 14. a shaft bracket; 15. a gas pipe; 16. a first piston chamber; 17. a piston head; 18. an oil liquid layer; 19. a gas storage layer; 20. a second piston chamber; 21. a shunt; 22. an air inlet; 23. an interface; 24. a locking groove; 25. latch engagement grooves; 26. and (5) clamping teeth.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, in an embodiment of the present invention, a self-locking bridge jacking device includes 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 connected and fixed with the connecting seat 9 through the screw head, 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 rolling shaft 13, the gas pipe rolling shaft 13 is installed on the shaft bracket 14 and is used for rolling a gas pipe 15, the gas pipe 15 is conveniently controlled to remotely transmit gas, the gas pipe 15 is installed on the gas pipe rolling shaft 13, one end of the gas pipe 15 is connected with a gas inlet 22, the air inlet 22 is arranged at the joint of the plurality of shunt tubes 21, the first piston cavity 16 and the second piston cavity 20 are arranged in the jacking device main body 7, the oil liquid layer 18 and the air storage layer 19 are arranged in the first piston cavity 16 and the second piston cavity 20, the oil liquid layer 18 is arranged below the piston head 17, the air storage layer 19 is arranged below the oil liquid layer 18, the shunt tubes 21 are arranged at the bottoms of the first piston cavity 16 and the second piston cavity 20, the shunt tubes 21 can shunt the air conveyed by the air conveying pipe 15 into six first piston cavities 16 and one second piston cavity 20, the air inlet 22 is arranged in the middle of the shunt tubes 21, the jacking rod 5 is arranged in the first piston cavity 16, the reinforcing and protecting 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 and protecting rod 12, the supporting plate 4 is arranged at the other end of the jacking rod 5, the support plate 4 is convenient for the installation of the anti-compression rod 2 and is used for supporting the anti-compression rod 2, the lock groove 24 is arranged at the bottom of the support plate 4, the latch meshing groove 25 is arranged at the side of the lock groove 24, the lock groove 24 is convenient to lock and connect with the lock head 10 at the top end of the reinforced protection rod 12, the buffer sleeve 3 is arranged at the top of the support plate 4, the buffer capability of the anti-compression rod 2 can be improved by the buffer sleeve 3, the safety performance of the anti-compression rod 2 is increased, the anti-slip top plate 1 is arranged at the top of the anti-compression rod 2, the reinforced support head 6 is arranged at the top of the reinforced protection rod 12, the lock head 10 is embedded and connected with the latch meshing groove 25 on the lock groove 24 through the latch 26, the latch 26 is arranged at the outer side of the lock head 10, the latch 26 and the lock head 10 are arranged into an integral structure, and the 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 anti-slip top plate 1 is in contact 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 shunts the air into the six first piston cavities 16 and the 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 pressure is generated on the oil liquid layer 18 through the air pressure change, the oil liquid layer 18 is driven to lift in the first piston cavities 16 as power, the lifting of the supporting plate 4 is controlled through the lifting of the jacking rod 5, the supporting plate 4 is controlled to lift the bridge through the anti-slip top plate 1 through the anti-compression rod 2, and meanwhile, the lock head 10 at the top end of the reinforcing protection rod 12 is controlled to be embedded into the lock groove 24 at the bottom of the supporting plate 4 through the reinforcing protection rod 12, the reinforcing protection rod 12 is used for supporting the auxiliary 4, dangerous accidents and equipment damage caused by the backing of the jacking rod 5 are prevented, and the device is 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 characteristics 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.
Claims (3)
1. A self-locking bridge jacking device comprises a jacking device main body (7), and is characterized in that a supporting seat (8) is arranged at the bottom of the jacking device main body (7), a connecting seat (9) is arranged at the top of the supporting seat (8), a shaft bracket (14) is arranged on one side of the jacking device main body (7), a gas pipe winding shaft (13) is arranged on the shaft bracket (14), a gas pipe (15) is arranged on the gas pipe winding shaft (13), a first piston cavity (16) and a second piston cavity (20) are arranged in the jacking device main body (7), a shunt pipe (21) is arranged at the bottom of the first piston cavity (16) and the bottom of the second piston cavity (20), an air inlet (22) is arranged in the middle of the shunt pipe (21), an oil liquid layer (18) and a gas storage layer (19) are arranged in the inner parts of the first piston cavity (16) and the second piston cavity (20), the oil layer (18) is arranged below a piston head (17), the oil storage layer (19) is arranged below the piston head (17), a reinforcing rod (12) is arranged below the first piston cavity (16) and the reinforcing rod (20), a protection rod (5) is arranged at one end of the jack rod (5), the utility model discloses a support plate, including support plate (4), buffer sleeve (3), anti-compression pole (2), anti-skidding roof (1) are installed at the top of buffer sleeve (3), support head (6) are installed at the top of strengthening protection pole (12), tapered end (10) are installed at the top of strengthening support head (6), and install buffer rod (11) between tapered end (10) and the support head (6), latch (26) are installed in the outside of tapered end (10), and latch (26) set up to integrated into one piece structure with tapered end (10), the bottom of support plate (4) is provided with locked groove (24), and the avris of locked groove (24) is provided with latch meshing groove (25), tapered end (10) inlay the hasp through latch (26) and latch meshing groove (25) on locked groove (24) and be connected.
2. The self-locking bridge jacking apparatus of claim 1, wherein: the screw head is arranged at the bottom of the jacking device main body (7), and the jacking device main body (7) is fixedly connected with the connecting seat (9) through the screw head.
3. The self-locking bridge jacking apparatus of claim 1, wherein: one end of the air delivery pipe (15) is connected with the air inlet (22), and the air inlet (22) is arranged at the joint of the plurality of shunt pipes (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910947796.4A CN110550570B (en) | 2019-10-08 | 2019-10-08 | Self-locking bridge jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910947796.4A CN110550570B (en) | 2019-10-08 | 2019-10-08 | Self-locking bridge jacking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110550570A CN110550570A (en) | 2019-12-10 |
| CN110550570B true CN110550570B (en) | 2024-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910947796.4A Active CN110550570B (en) | 2019-10-08 | 2019-10-08 | Self-locking bridge jacking device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110550570B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113136805B (en) * | 2021-04-27 | 2022-09-13 | 福建省亿方建设工程有限公司 | Bracket-free construction method for bent cap |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104876152A (en) * | 2015-03-30 | 2015-09-02 | 上海市城市建设设计研究总院 | Three-stage double-acting self-gluing hydraulic jack |
| CN207129886U (en) * | 2017-03-10 | 2018-03-23 | 上海先为土木工程有限公司 | A kind of bridge hydraulic jacking device |
| CN109610307A (en) * | 2018-12-24 | 2019-04-12 | 赵江涛 | A kind of combined bridge antidetonation noise reduction support |
| CN210595044U (en) * | 2019-10-08 | 2020-05-22 | 南京东交加固工程有限公司 | Self-locking bridge jacking device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101284777B1 (en) * | 2013-01-11 | 2013-07-17 | 황병호 | Vertical and horizontal jack king is a possible hydraulic jack unit and bridge construction method |
| TWI545077B (en) * | 2013-10-03 | 2016-08-11 | qing-long Liao | Three - axis parallel mechanism for bridge jacking application |
| CN108358115A (en) * | 2015-12-14 | 2018-08-03 | 刘怀文 | Irregular shape equipment mounting platform |
| CN106429946A (en) * | 2016-08-29 | 2017-02-22 | 天津多产精密部品有限公司 | Oil-way system of oil jack of pressing machine |
| CN206288898U (en) * | 2016-12-25 | 2017-06-30 | 湛江市汉成科技有限公司 | A kind of Intellectualized electric hydraulic jack |
| CN109384166A (en) * | 2017-08-08 | 2019-02-26 | 广东合即得能源科技有限公司 | Electric hydraulic jack |
| CN108252981A (en) * | 2018-04-18 | 2018-07-06 | 上海天演建筑物移位工程股份有限公司 | A kind of building elevating safety protective device and its application method |
| CN108862089A (en) * | 2018-07-25 | 2018-11-23 | 南京奥达升智能科技有限公司 | A kind of self-locking type hydraulic jack with two-way function |
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2019
- 2019-10-08 CN CN201910947796.4A patent/CN110550570B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876152A (en) * | 2015-03-30 | 2015-09-02 | 上海市城市建设设计研究总院 | Three-stage double-acting self-gluing hydraulic jack |
| CN207129886U (en) * | 2017-03-10 | 2018-03-23 | 上海先为土木工程有限公司 | A kind of bridge hydraulic jacking device |
| CN109610307A (en) * | 2018-12-24 | 2019-04-12 | 赵江涛 | A kind of combined bridge antidetonation noise reduction support |
| CN210595044U (en) * | 2019-10-08 | 2020-05-22 | 南京东交加固工程有限公司 | Self-locking bridge jacking device |
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| Publication number | Publication date |
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| CN110550570A (en) | 2019-12-10 |
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