CN108675193B - Tilting-preventing hydraulic jack - Google Patents
Tilting-preventing hydraulic jack Download PDFInfo
- Publication number
- CN108675193B CN108675193B CN201810722729.8A CN201810722729A CN108675193B CN 108675193 B CN108675193 B CN 108675193B CN 201810722729 A CN201810722729 A CN 201810722729A CN 108675193 B CN108675193 B CN 108675193B
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- Prior art keywords
- hydraulic
- fixedly connected
- base
- cavity
- grooves
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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
- B66F3/26—Adaptations or arrangements of pistons
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses an anti-tilting hydraulic jack, which comprises a base, a hydraulic box and a fixed table, wherein the hydraulic box and the fixed table are fixedly connected to the upper surface of the base, the hydraulic box is positioned on the left side of the fixed table, the right side of the base is fixedly connected with a support, the upper surface of the base is fixedly connected with a support, the hydraulic box and the fixed table are respectively positioned on two sides of the support, the opposite surfaces of the support and the support are respectively fixedly connected with a spring and a guide rod, the springs are movably sleeved on the surface of the guide rod, the opposite ends of the two springs are fixedly connected with extrusion blocks, the extrusion blocks are movably sleeved on the surface of the guide rod, the opposite surfaces of the two extrusion blocks are overlapped with two sides of a baffle, and the lower surface of the baffle is fixedly connected with a first hydraulic piston. According to the hydraulic jack, the extrusion block, the guide rod, the spring and the baffle are arranged, so that the problem that the stressed surface is inclined after the hydraulic jack is deformed to cause stressed slipping is solved.
Description
Technical Field
The invention relates to the technical field of hydraulic jacks, in particular to an anti-tilting hydraulic jack.
Background
The hydraulic jack is also called as oil jack, which is a jack adopting a plunger or a hydraulic cylinder as a rigid jacking piece, is a lifting mechanism of lifting equipment and is used for lifting heavy objects, and has the characteristics of simple structure, light weight, convenience in carrying and moving and the like.
Most of the hydraulic jacks seen at present are easy to cause the deformation of the jack and the inclination of the stress surface after long-term use or overload use, so that the stress slipping is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an anti-tilting hydraulic jack, and solves the problem of stressed slip caused by tilting of a stressed surface after the hydraulic jack is deformed.
The invention solves the technical problems by the following technical proposal:
the utility model provides a hydraulic jack that prevents inclining, includes base, hydraulic pressure case and fixed station all fixed connection are in the upper surface of base, hydraulic pressure case is located the left side of fixed station, the right side fixedly connected with support of base, the upper surface fixedly connected with strut of base, hydraulic pressure case and fixed station are located the both sides of strut respectively, the opposite face of support and strut all fixedly connected with spring and guide bar respectively, the spring activity cup joints the surface at the guide bar, two the equal fixedly connected with extrusion piece of opposite end of spring, the extrusion piece activity cup joints the surface at the guide bar, two the opposite face of extrusion piece overlap joint with the both sides of baffle, the lower surface fixedly connected with first hydraulic piston of baffle, the surface activity cup joints the hydropipe of first hydraulic piston, the surface of the hydraulic pipe is fixedly connected with the inner wall of the hydraulic box, the hydraulic pipe is fixedly connected with the upper surface of the base, the surface of the first hydraulic piston is movably sleeved with a sealing ring, the sealing ring is fixedly connected with the top of the hydraulic box, the sealing ring is positioned under the baffle, the upper surface of the hydraulic box is provided with two sliding grooves, the two sliding grooves are respectively positioned at two sides of the sealing ring, the inner wall of the sliding groove is movably connected with the surface of the sliding block, the sliding block is fixedly connected with the lower surface of the extrusion block, the upper surface of the base is respectively provided with a first through groove, a second through groove and a third through groove, the interior of the base is respectively provided with a first cavity and a second cavity, the first through groove is respectively communicated with the hydraulic pipe and the first cavity, the second through groove is respectively communicated with the hydraulic box and the second cavity, the third through groove is respectively communicated with the first cavity and the second cavity, the first through groove and the third through groove are respectively positioned on the left side and the right side of the second through groove, and the first cavity is positioned below the second cavity.
And the deviating surfaces of the two extrusion blocks are provided with guide grooves, and the surfaces of the guide rods are movably connected with the inner walls of the guide grooves.
And a piston hole is formed in the position, corresponding to the third through groove, of the fixing table, and the inner wall of the piston hole is movably connected with the surface of the second hydraulic piston.
And the piston hole is communicated with the third through groove.
Moreover, the extrusion block is triangular in front section, and two sides of the baffle are inclined planes.
The invention has the advantages and beneficial effects that:
1. according to the anti-tilting hydraulic jack, the extrusion block, the guide rod, the spring and the baffle are arranged, when the jack is used, the first hydraulic piston drives the second hydraulic piston to downwards through the hydraulic spanner, the oil tank and the lower oil path of the second hydraulic piston are blocked by the one-way valve, oil at the lower part of the second hydraulic piston is pressed into the lower part of the first hydraulic piston through the internal oil path and the one-way valve, the pressure at the lower part of the second hydraulic piston is increased by tens of times due to leverage, the area of the first hydraulic piston is tens of times that of the second hydraulic piston, the oil pressure generated by hand is extruded into the second hydraulic piston, the area ratio of the second hydraulic piston to the first hydraulic piston is the same as the pressure ratio, so that the force on hand is increased to the second hydraulic piston through the spanner, the force of the second hydraulic piston is increased again, when the first hydraulic piston moves upwards, the spring is elongated, the extrusion block extrudes the baffle, the inclined plane of the extrusion block distributes the stress of the baffle, so that part of the force is guided to the ground surface through the bracket and the bracket, the stress of the jack is reduced, the effect of reducing the load of the jack is achieved, and the problem of slipping caused by tilting of the jack is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is an enlarged view of the structure of fig. 1 a according to the present invention.
In the figure: 1-base, 2-hydraulic tank, 3-fixed station, 4-support, 5-strut, 6-spring, 7-guide bar, 8-extrusion piece, 9-baffle, 10-first hydraulic piston, 11-hydraulic pipe, 12-sealing washer, 13-spout, 14-slider, 15-first logical groove, 16-second logical groove, 17-third logical groove, 18-first cavity, 19-second cavity, 20-guide groove, 21-piston hole, 22-second hydraulic piston.
Detailed Description
The invention is further illustrated by the following examples, which are intended to be illustrative only and not limiting in any way.
As shown in figures 1-2, the anti-tilting hydraulic jack comprises a base 1, a hydraulic tank 2 and a fixed table 3, wherein the hydraulic tank 2 and the fixed table 3 are fixedly connected to the upper surface of the base 1, the hydraulic tank 2 is positioned on the left side of the fixed table 3, the right side of the base 1 is fixedly connected with a bracket 4, the upper surface of the base 1 is fixedly connected with a support 5, the hydraulic tank 2 and the fixed table 3 are respectively positioned on two sides of the support 5, the opposite surfaces of the bracket 4 and the support 5 are respectively fixedly connected with a spring 6 and a guide rod 7, the springs 6 are movably sleeved on the surface of the guide rod 7, the opposite ends of the two springs 6 are fixedly connected with extrusion blocks 8, the extrusion blocks 8 are movably sleeved on the surface of the guide rod 7, the deviating surfaces of the two extrusion blocks 8 are provided with guide grooves 20, the surface of the guide rod 7 is movably connected with the inner wall of the guide grooves 20, the opposite surfaces of the two extrusion blocks 8 are lapped with the two sides of a baffle 9, the front section of the extrusion block 8 is triangular, the two sides of the baffle 9 are the lower surface of the inclined baffle 9 fixedly connected with a first hydraulic piston 10, the surface of the first hydraulic piston 10 is movably sleeved with a hydraulic pipe 11, the surface of the hydraulic pipe 11 is fixedly connected with the inner wall of the hydraulic box 2, the hydraulic pipe 11 is fixedly connected with the upper surface of the base 1, the surface of the first hydraulic piston 10 is movably sleeved with a sealing ring 12, the sealing ring 12 prevents oil leakage in the hydraulic pipe 11, the sealing ring 12 is fixedly connected with the top of the hydraulic box 2, the sealing ring 12 is positioned under the baffle 9, the upper surface of the hydraulic box 2 is provided with sliding grooves 13, the number of the sliding grooves 13 is two, the two sliding grooves 13 are respectively positioned at the two sides of the sealing ring 12, the inner wall of the sliding groove 13 is movably connected with the surface of the sliding block 14, the sliding block 14 is fixedly connected with the lower surface of the extrusion block 8, the upper surface of base 1 has seted up first logical groove 15, second logical groove 16 and third logical groove 17 respectively, first cavity 18 and second cavity 19 have been seted up respectively to the inside of base 1, first logical groove 15 is linked together with hydraulic pipe 11 and first cavity 18 respectively, second logical groove 16 is linked together with hydraulic tank 2 and second cavity 19 respectively, third logical groove 17 is linked together with first cavity 18 and second cavity 19 respectively, first logical groove 15 and third logical groove 17 are located the left side and the right side of second logical groove 16 respectively, first cavity 18 is located the below of second cavity 19, first logical groove 15, third logical groove 17, second logical groove 16, first cavity 18 and second cavity 19 all interconnect and pass through as the oil duct and deposit oil, piston hole 21 has been seted up to the position department of fixed station 3 corresponding to third logical groove 17, the inner wall and the surface movable connection of second hydraulic piston 22 of piston hole 21 and third logical groove 17, piston hole 21 is linked together with third logical groove 17, the upper surface fixed spanner of fixed station 3 has been located the lower side of second cavity 19, can drive the second hydraulic piston 22 down the principle of moving downwards through the lever.
When the hydraulic wrench is used, the first hydraulic piston 10 drives the second hydraulic piston 22 downwards when being pressed downwards through the hydraulic wrench, the oil tank and the lower oil path of the second hydraulic piston 22 are blocked by the one-way valve, oil at the lower part of the second hydraulic piston 22 is pressed into the lower part of the first hydraulic piston 10 through the internal oil path and the one-way valve, the pressure at the lower part of the second hydraulic piston 22 is increased by tens of times due to leverage, the area of the first hydraulic piston 10 is dozens of times of the area of the second hydraulic piston 22, the oil pressure generated by manual operation is extruded into the second hydraulic piston 22, the area ratio of the second hydraulic piston 22 to the first hydraulic piston 10 is the same as the pressure ratio, so that the force on hand is increased to the second hydraulic piston 22 through the wrench, the force from the second hydraulic piston 22 to the first hydraulic piston 10 is increased, when the first hydraulic piston 10 moves upwards, the spring 6 is stretched, the pressing block 8 presses the baffle 9, the inclined plane of the pressing block 8 is used for leading part of the force to the ground through the bracket 4 and the bracket 5, and the force of the jack is reduced, and the inclination can be prevented.
According to the hydraulic jack, the extrusion block 8, the guide rod 7, the spring 6 and the baffle 9 are arranged, so that the problem that the stressed surface is inclined after the hydraulic jack is deformed to cause stressed slipping is solved.
While the present invention has been disclosed with reference to the embodiments and the accompanying drawings, it will be understood by those skilled in the art that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the embodiments and the disclosure of the drawings.
Claims (3)
1. The utility model provides a hydraulic jack of preventing slope, includes base (1), hydraulic tank (2) and fixed station (3), equal fixed connection of hydraulic tank (2) and fixed station (3) is at the upper surface of base (1), hydraulic tank (2) are located the left side of fixed station (3), its characterized in that: the right side fixedly connected with support (4) of base (1), the upper surface fixedly connected with strut (5) of base (1), hydraulic tank (2) and fixed station (3) are located the both sides of strut (5) respectively, the opposite face of support (4) and strut (5) all fixedly connected with spring (6) and guide bar (7) respectively, spring (6) activity cup joints the surface at guide bar (7), two the opposite end of spring (6) all fixedly connected with extrusion piece (8), extrusion piece (8) activity cup joints the surface at guide bar (7), two the opposite face of extrusion piece (8) overlap joint with the both sides of baffle (9), the lower surface fixedly connected with first hydraulic piston (10) of baffle (9), the surface activity cup joints hydraulic pipe (11) of first hydraulic piston (10), the surface of hydraulic pipe (11) and the inner wall fixed connection of hydraulic tank (2), hydraulic pipe (11) fixed connection is on the surface of base (1) just, the sealing washer (12) are located on the surface of baffle (12) under the fixed seal ring (12), the hydraulic oil tank is characterized in that sliding grooves (13) are formed in the upper surface of the hydraulic oil tank (2), the number of the sliding grooves (13) is two, the two sliding grooves (13) are respectively located on two sides of a sealing ring (12), the inner wall of each sliding groove (13) is movably connected with the surface of a sliding block (14), the sliding blocks (14) are fixedly connected to the lower surface of each extrusion block (8), a first through groove (15), a second through groove (16) and a third through groove (17) are respectively formed in the upper surface of the base (1), a first cavity (18) and a second cavity (19) are respectively formed in the base (1), the first through grooves (15) are respectively communicated with a hydraulic pipe (11) and the first cavity (18), the second through grooves are respectively communicated with the hydraulic oil tank (2) and the second cavity (19), the third through grooves (17) are respectively communicated with the first cavity (18) and the second cavity (19), and the first through grooves (15) and the second through grooves (17) are respectively located on the left side and the right side of the second cavity (16) respectively;
the deviating surfaces of the two extrusion blocks (8) are provided with guide grooves (20), and the surfaces of the guide rods (7) are movably connected with the inner walls of the guide grooves (20);
a piston hole (21) is formed in the position, corresponding to the third through groove (17), of the fixing table (3), and the inner wall of the piston hole (21) is movably connected with the surface of the second hydraulic piston (22).
2. An anti-tilt hydraulic jack according to claim 1, wherein: the piston hole (21) is communicated with the third through groove (17).
3. An anti-tilt hydraulic jack according to claim 1, wherein: the front section of the extrusion block (8) is triangular, and two sides of the baffle (9) are inclined planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810722729.8A CN108675193B (en) | 2018-07-04 | 2018-07-04 | Tilting-preventing hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810722729.8A CN108675193B (en) | 2018-07-04 | 2018-07-04 | Tilting-preventing hydraulic jack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108675193A CN108675193A (en) | 2018-10-19 |
| CN108675193B true CN108675193B (en) | 2023-09-22 |
Family
ID=63813107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810722729.8A Active CN108675193B (en) | 2018-07-04 | 2018-07-04 | Tilting-preventing hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108675193B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2112998A5 (en) * | 1970-11-02 | 1972-06-23 | Chrubasik Paul | |
| EP1325882A1 (en) * | 2002-01-03 | 2003-07-09 | Karl-Heinz Jung | Lifting device for lifting loads |
| CN2769246Y (en) * | 2005-02-26 | 2006-04-05 | 张波 | Hydraulic jack |
| CN101264855A (en) * | 2008-04-25 | 2008-09-17 | 中交第二航务工程局有限公司 | Inclined guy cable stretching torsion-proof jack |
| CN101367486A (en) * | 2008-09-12 | 2009-02-18 | 合肥市华林模具有限公司 | Lifting mechanism |
| CN101585499A (en) * | 2009-06-11 | 2009-11-25 | 洛阳卡瑞起重设备有限公司 | Hydraulic lifting method used for conveying material with undetermined gravity center |
-
2018
- 2018-07-04 CN CN201810722729.8A patent/CN108675193B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2112998A5 (en) * | 1970-11-02 | 1972-06-23 | Chrubasik Paul | |
| EP1325882A1 (en) * | 2002-01-03 | 2003-07-09 | Karl-Heinz Jung | Lifting device for lifting loads |
| CN2769246Y (en) * | 2005-02-26 | 2006-04-05 | 张波 | Hydraulic jack |
| CN101264855A (en) * | 2008-04-25 | 2008-09-17 | 中交第二航务工程局有限公司 | Inclined guy cable stretching torsion-proof jack |
| CN101367486A (en) * | 2008-09-12 | 2009-02-18 | 合肥市华林模具有限公司 | Lifting mechanism |
| CN101585499A (en) * | 2009-06-11 | 2009-11-25 | 洛阳卡瑞起重设备有限公司 | Hydraulic lifting method used for conveying material with undetermined gravity center |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108675193A (en) | 2018-10-19 |
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