CN210528337U - Hydraulic brake oil cylinder of crane - Google Patents
Hydraulic brake oil cylinder of crane Download PDFInfo
- Publication number
- CN210528337U CN210528337U CN201921665138.8U CN201921665138U CN210528337U CN 210528337 U CN210528337 U CN 210528337U CN 201921665138 U CN201921665138 U CN 201921665138U CN 210528337 U CN210528337 U CN 210528337U
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- Prior art keywords
- piston rod
- cylinder
- piston
- hydraulic brake
- ring
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- 239000007788 liquid Substances 0.000 claims abstract description 35
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000002826 coolant Substances 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 239000011550 stock solution Substances 0.000 abstract 3
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 8
- 239000000110 cooling liquid Substances 0.000 description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic brake hydro-cylinder of hoist, the hydraulic pressure jar comprises a cylinder, the ring that wear-resistants is all installed at the inside both ends of cylinder, and is two sets of the inside of ring that wear-resistants is movable respectively and is pegged graft there are first piston rod and second piston rod, weld mutually between first piston rod and the second piston rod, compression spring has been cup jointed to the outside of second piston rod, the both sides of cylinder all communicate has communicating pipe, the one end intercommunication of communicating pipe has the stock solution pipe, the inside packing of stock solution pipe has the coolant liquid, and the externally mounted of stock solution pipe has radiating fin, the piston ring has been cup jointed to the other end of first piston rod. The utility model discloses a thereby utilize hydraulic oil extrusion piston to drive first piston rod and second piston rod and remove in the cylinder, also receive compression spring's resilience force simultaneously in ring, linear bearing wear-resisting with first piston rod and second piston rod restriction in the cylinder to drive the brake effect of brake is improved to the lining removal of driving.
Description
Technical Field
The utility model relates to a hoist technical field specifically is a hydraulic brake hydro-cylinder of hoist.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. Generally, the crane can be divided into four categories, namely light and small-sized hoisting equipment, bridge type hoisting machinery, cantilever crane type cranes and cable type cranes. Light and small-sized hoisting equipment such as: jacks, pneumatic hoists, electric hoists, balance hoists (balance hoists), winches and the like. Gantry type hoisting machines such as beam cranes and the like. Boom-type cranes such as fixed slewing cranes, tower cranes, truck cranes, tyre cranes, crawler cranes, etc.
The hydraulic brake system plays a vital role in the crane, the crane is braked through the brake system, the temperature can be generated when the oil cylinder brakes, and if the heat cannot be effectively dissipated, the service life of the oil cylinder can be influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic brake hydro-cylinder of hoist cup joints the piston ring through the tip at first piston rod, drives the piston ring at first piston rod and when removing in the cylinder, can inhale, discharge the coolant liquid in the liquid reserve pipe, is convenient for take away the inside heat of cylinder, and the coolant liquid dispels the heat in entering into the liquid reserve pipe, improves holistic life.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic brake oil cylinder of a crane comprises a cylinder barrel, wherein anti-wear rings are mounted at two ends of the interior of the cylinder barrel, a first piston rod and a second piston rod are movably inserted into the interiors of two groups of anti-wear rings respectively, the diameter of the second piston rod is smaller than that of the first piston rod, the first piston rod and the second piston rod are welded with each other, and a compression spring is sleeved outside the second piston rod;
a fixed plate is welded inside the cylinder barrel, a linear bearing is inserted into the fixed plate and is sleeved outside the second piston rod, a piston is mounted at one end of the first piston rod, and the piston is movably connected inside the piston cylinder;
both sides of cylinder all communicate with each other and have communicating pipe, the one end intercommunication of communicating pipe has the liquid storage pipe, the inside packing of liquid storage pipe has the coolant liquid, and the externally mounted of liquid storage pipe has radiating fin, the other end of first piston rod has cup jointed the piston ring.
Preferably, an oil inlet is formed in the top of the piston cylinder.
Preferably, the both ends of cylinder barrel all have the cylinder cap in threaded connection, the inside joint of cylinder cap has the dust ring.
Preferably, a sealing ring is sleeved at one end of the antiwear ring.
Preferably, the other one of the antiwear rings is provided with a buffer sleeve.
Preferably, a guide groove is formed in the outer portion of the first piston rod, a guide block is movably connected to the inner portion of the guide groove, and the guide block is fixedly connected to the inner wall of the cylinder barrel.
Preferably, a linen pad is mounted at the end of the second piston rod, and anti-skid grains are arranged on the surface of the linen pad.
Preferably, one side of the liquid storage pipe is provided with a liquid feeding port, and a plug is arranged in the liquid feeding port.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model limits the first piston rod and the second piston rod in the cylinder barrel through the anti-wear ring and the linear bearing, and when the first piston rod and the second piston rod are driven to move in the cylinder barrel by extruding the piston through hydraulic oil, the first piston rod and the second piston rod are driven to move in the cylinder barrel, and simultaneously, the resilience force of the compression spring is also received, so that the brake pad is driven to move, and the braking effect of the brake is improved;
2. the utility model discloses a cup joint the piston circle at the tip of first piston rod, when first piston rod drove the piston circle and remove in the cylinder, can inhale, discharge the coolant liquid in the liquid reserve pipe, be convenient for take away the inside heat of cylinder, the coolant liquid dispels the heat in entering into the liquid reserve pipe, improves holistic life.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the cylinder of the present invention;
fig. 3 is a schematic view of the cross-sectional structure of the liquid storage tube of the present invention.
In the figure: 1. a cylinder barrel; 2. an antiwear ring; 3. a first piston rod; 4. a second piston rod; 5. a compression spring; 6. a fixing plate; 7. a linear bearing; 8. a piston; 9. a piston cylinder; 10. an oil inlet; 11. a piston ring; 12. a communicating pipe; 13. a liquid storage pipe; 14. cooling liquid; 15. a heat dissipating fin; 16. a cylinder cover; 17. a dust ring; 18. a seal ring; 19. a buffer sleeve; 20. a guide groove; 21. a guide block; 22. a lining; 23. a liquid filling port; 24. and (7) a plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a hydraulic brake oil cylinder of a crane comprises a cylinder barrel 1, wear-resistant rings 2 are mounted at two ends of the interior of the cylinder barrel 1, a sealing ring 18 is sleeved at one end of each wear-resistant ring 2, the sealing effect of the cylinder barrel 1 is improved, a buffer sleeve 19 is mounted at the other end of each wear-resistant ring 2, the resilience of a first piston rod 3 is relieved, a first piston rod 3 and a second piston rod 4 are movably inserted into the interiors of two groups of wear-resistant rings 2 respectively, the diameter of the second piston rod 4 is smaller than that of the first piston rod 3, the first piston rod 3 and the second piston rod 4 are welded with each other, and a compression spring 5 is sleeved outside the second piston rod 4;
referring to fig. 1 and 2, a cylinder cover 16 is in threaded connection with both ends of a cylinder barrel 1, a dust ring 17 is clamped inside the cylinder cover 16, the cylinder cover 16 is convenient for integral assembly, the dust ring 17 improves the dust-proof effect of the cylinder barrel 1, a fixing plate 6 is welded inside the cylinder barrel 1, a linear bearing 7 is inserted inside the fixing plate 6, the linear bearing 7 is sleeved outside a second piston rod 4, a piston 8 is installed at one end of the first piston rod 3, the piston 8 is movably connected inside a piston cylinder 9, and an oil inlet 10 is arranged at the top of the piston cylinder 9, so that hydraulic oil can enter and be discharged conveniently;
referring to fig. 1 and 3, two sides of the cylinder barrel 1 are both communicated with a communicating pipe 12, one end of the communicating pipe 12 is communicated with a liquid storage pipe 13, one side of the liquid storage pipe 13 is provided with a liquid filling opening 23, a plug 24 is installed inside the liquid filling opening 23, the liquid filling opening 23 facilitates adding and replacing of the cooling liquid 14, the liquid storage pipe 13 is filled with the cooling liquid 14, the liquid storage pipe 13 is externally provided with a heat radiation fin 15, the other end of the first piston rod 3 is sleeved with a piston ring 11, the first piston rod 3 is externally provided with a guide groove 20, the guide groove 20 is movably connected with a guide block 21, the guide block 21 is fixedly connected to the inner wall of the cylinder barrel 1, the guide block 21 and the guide groove 20 are matched to facilitate limiting, the angle of the brake pad 22 is prevented from rotating, the brake pad 22 is installed at the end of the second piston rod 4, and the surface of the brake pad 22.
The structure principle is as follows: the first piston rod 3 and the second piston rod 4 are limited in the cylinder barrel 1 through the antiwear ring 2 and the linear bearing 7, and when the piston 8 is extruded by hydraulic oil to drive the first piston rod 3 and the second piston rod 4 to move in the cylinder barrel 1, the resilience force of the compression spring 5 is also applied, so that the brake pad 22 is driven to move, and the braking effect of braking is improved;
when the first piston rod 3 drives the piston ring 11 to move in the cylinder barrel 1, the cooling liquid 14 in the liquid storage pipe 13 can be sucked and discharged, the internal heat of the cylinder barrel 1 is taken away conveniently, the cooling liquid 14 enters the liquid storage pipe 13 to dissipate heat, and the service life of the whole body is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a hydraulic brake hydro-cylinder of hoist, includes cylinder (1), its characterized in that: the anti-wear piston cylinder is characterized in that anti-wear rings (2) are mounted at two ends of the interior of the cylinder barrel (1), a first piston rod (3) and a second piston rod (4) are movably inserted into the interiors of the two groups of anti-wear rings (2) respectively, the diameter of the second piston rod (4) is smaller than that of the first piston rod (3), the first piston rod (3) and the second piston rod (4) are welded with each other, and a compression spring (5) is sleeved outside the second piston rod (4);
a fixing plate (6) is welded inside the cylinder barrel (1), a linear bearing (7) is inserted into the fixing plate (6), the linear bearing (7) is sleeved outside the second piston rod (4), a piston (8) is installed at one end of the first piston rod (3), and the piston (8) is movably connected inside a piston cylinder (9);
both sides of cylinder (1) all communicate communicating pipe (12), the one end intercommunication of communicating pipe (12) has liquid storage pipe (13), the inside packing of liquid storage pipe (13) has coolant liquid (14), and the externally mounted of liquid storage pipe (13) has radiating fin (15), the other end of first piston rod (3) has cup jointed piston ring (11).
2. The hydraulic brake cylinder of the crane according to claim 1, wherein: an oil inlet (10) is formed in the top of the piston cylinder (9).
3. The hydraulic brake cylinder of the crane according to claim 1, wherein: the both ends of cylinder (1) are all threaded connection have cylinder cap (16), the inside joint of cylinder cap (16) has dust ring (17).
4. The hydraulic brake cylinder of the crane according to claim 1, wherein: and a sealing ring (18) is sleeved at one end of the antiwear ring (2).
5. The hydraulic brake cylinder of the crane according to claim 1, wherein: and the other side of the antiwear ring (2) is provided with a buffer sleeve (19).
6. The hydraulic brake cylinder of the crane according to claim 1, wherein: a guide groove (20) is formed in the outer portion of the first piston rod (3), a guide block (21) is movably connected to the inner portion of the guide groove (20), and the guide block (21) is fixedly connected to the inner wall of the cylinder barrel (1).
7. The hydraulic brake cylinder of the crane according to claim 1, wherein: the end part of the second piston rod (4) is provided with a linen pad (22), and the surface of the linen pad (22) is provided with anti-skid grains.
8. The hydraulic brake cylinder of the crane according to claim 1, wherein: a liquid filling opening (23) is formed in one side of the liquid storage pipe (13), and a plug (24) is installed inside the liquid filling opening (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921665138.8U CN210528337U (en) | 2019-10-08 | 2019-10-08 | Hydraulic brake oil cylinder of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921665138.8U CN210528337U (en) | 2019-10-08 | 2019-10-08 | Hydraulic brake oil cylinder of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210528337U true CN210528337U (en) | 2020-05-15 |
Family
ID=70607606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921665138.8U Active CN210528337U (en) | 2019-10-08 | 2019-10-08 | Hydraulic brake oil cylinder of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210528337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396411A (en) * | 2021-12-01 | 2022-04-26 | 宁波雪隆王液压科技有限公司 | Stamping oil cylinder |
-
2019
- 2019-10-08 CN CN201921665138.8U patent/CN210528337U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396411A (en) * | 2021-12-01 | 2022-04-26 | 宁波雪隆王液压科技有限公司 | Stamping oil cylinder |
| CN114396411B (en) * | 2021-12-01 | 2024-08-16 | 宁波雪隆王液压科技有限公司 | Stamping oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240517 Address after: No. 109, Cheqiji Village, Sunfuji Township, Liangyuan District, Shangqiu City, Henan Province, 476000 Patentee after: Bu Hongjun Country or region after: China Address before: 225000 Zhengyi Industrial Park, Xiannv Town, Jiangdu District, Yangzhou City, Jiangsu Province Patentee before: JIANGSU GANGYUN MACHINERY Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240603 Address after: No. 1, 1st Floor, Unit 3, Building 9, Group 5, Tiantongyuan Community, Changping District, Beijing, 102200 Patentee after: Beijing Tianfeng Construction Engineering Co.,Ltd. Country or region after: China Address before: No. 109, Cheqiji Village, Sunfuji Township, Liangyuan District, Shangqiu City, Henan Province, 476000 Patentee before: Bu Hongjun Country or region before: China |