CN213499076U - Spring balancer convenient to operation - Google Patents
Spring balancer convenient to operation Download PDFInfo
- Publication number
- CN213499076U CN213499076U CN202021243132.4U CN202021243132U CN213499076U CN 213499076 U CN213499076 U CN 213499076U CN 202021243132 U CN202021243132 U CN 202021243132U CN 213499076 U CN213499076 U CN 213499076U
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- Prior art keywords
- locking
- shell
- worm
- main shaft
- cone pulley
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- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000009467 reduction Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000004146 energy storage Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of hoisting equipment, in particular to a spring balancer convenient to operate, which comprises a shell, a volute spiral spring, a main shaft, a cone pulley and a pull rope, wherein two ends of the main shaft are rotatably arranged on the inner wall of the shell, and one end of the main shaft extends out of the shell; the cone pulley is sleeved on the main shaft, the volute spiral spring is arranged in the cone pulley, the outer end of the volute spiral spring is fixedly connected with the inner side of the cone pulley, and the inner end of the volute spiral spring is fixedly connected with the main shaft; a worm wheel is arranged at one end, extending out of the shell, of the spindle, a worm meshed with the worm wheel is arranged on the outer side of the shell, the worm is rotatably arranged on the outer wall of the shell through a mounting seat, a chain transmission mechanism capable of driving the worm to rotate is arranged at one end of the worm, and a hand zipper is arranged at the input end of the chain transmission mechanism; the elasticity of the volute spiral spring can be adjusted without taking down the spring balancer, and the volute spiral spring is very convenient to use.
Description
Technical Field
The utility model relates to a lifting device technical field, concretely relates to spring balancer convenient to operation.
Background
The spring balancer is a force balance between the tension of the internal coil spring and the weight of the hung object, the hanging device can lead an operator to easily walk up and down or stay at any position by a small force, is an auxiliary tool for lifting heavy objects and reducing the labor intensity of manual operation, and comprises a shell, a cone pulley in the shell, a steel wire rope on the cone pulley, an energy storage spring and an energy storage seat, wherein the energy storage spring is respectively connected with the energy storage seat and the cone pulley and transmits the energy of the energy storage spring to the cone pulley through the energy storage seat, because of the release of the energy storage spring, the operation tool at the lower part of the suspended balancer is in a weightless state, has the advantages of greatly reducing the labor intensity of the operation workers and improving the labor production efficiency, therefore, the method is widely applied to the production line of the industries such as automobiles, tractors, household appliances, machine manufacturing and the like.
However, the spring balancer is suspended at a height of 2.5 to 3 meters in the using process, heavy tools such as welding tongs or electric or pneumatic tools are suspended at the lower part of the balancer, when the spring elasticity is adjusted, the spring balancer needs to be taken down, the main shaft in the middle needs to be rotated to adjust the elasticity of the spring, when the weight difference of some workpieces needing to be hoisted is large, the balancer needs to be continuously taken down to be adjusted, and the spring balancer is quite inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to overcome the drawbacks of the prior art, and to provide a spring balancer which is easy to operate, and which can adjust the elasticity without removing the balancer, thereby being very convenient.
The utility model discloses a spring balancer convenient to operate, including casing, volute spiral spring, main shaft, cone pulley and stay cord, the casing is hollow structure, the both ends of main shaft are rotated and are located the inner wall of casing, and one end of main shaft stretches out the casing; the cone pulley is arranged in the shell, a rope groove is formed in the outer side of the cone pulley, and the pull rope is wound in the rope groove; the cone pulley is sleeved on the main shaft, the volute spiral spring is arranged in the cone pulley, the outer end of the volute spiral spring is fixedly connected with the inner side of the cone pulley, and the inner end of the volute spiral spring is fixedly connected with the main shaft; the main shaft stretches out the one end of casing is equipped with the worm wheel, the outside of casing be equipped with worm wheel meshing's worm, the worm rotates through the mount pad to be located the casing outer wall, the one end of worm is equipped with and drives worm pivoted chain drive, chain drive's input is equipped with the hand zip fastener.
Further, chain drive includes first drive gear, reduction gear, second drive gear and sprocket, first drive gear and second drive gear parallel arrangement, first drive gear is fixed to be located the one end of worm, reduction gear locates between first drive gear and the second drive gear and realize power transmission, the fixed setting in one side of second drive gear the sprocket, the sprocket can by the hand power chain pulling rotates, first drive gear, reduction gear, second drive gear all rotate through the installing support and locate on the casing.
Furthermore, both sides of the chain wheel are provided with guide discs.
Further, be equipped with the locking dish on the cone pulley, be equipped with a plurality of locking grooves along the circumference on the locking dish, be equipped with the locking platform on the casing, be equipped with the locking hole on the locking platform, the locking round pin has been inserted in the locking hole, the locking round pin endotheca is equipped with compression spring, compression spring's one end with locking round pin fixed connection, the other end with locking platform inner wall butt, keeping away from of locking round pin locking dish one end is equipped with the lifting rod, but be equipped with the holding on the locking platform the first trench and the second trench of lifting rod, the degree of depth of first trench is greater than the degree of depth of second trench.
Furthermore, one end of the pull rope extending out of the shell is fixedly connected with a lifting hook, and a hook used for hanging is fixedly arranged on the shell.
The utility model has the advantages that: the utility model discloses a spring balancer convenient to operation through pulling the hand zip fastener for chain drive drives the worm and rotates, and then makes the worm wheel drive the main shaft and rotate, realizes not needing to take off the spring balancer and can carry out volute spring's elasticity and adjust, and is very convenient during the use.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the locking plate of the present invention;
fig. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic view of the chain drive of the present invention;
fig. 5 is a schematic view of the installation of the locking pin of the present invention.
Description of reference numerals: the chain transmission mechanism comprises a shell 101, a scroll spring 102, a main shaft 103, a cone pulley 104, a pull rope 105, a worm wheel 106, a worm 107, a chain transmission mechanism 200, a hand zipper 201, a first transmission gear 202, a reduction gear 203, a second transmission gear 204, a chain wheel 205, a mounting bracket 206, a guide disc 207, a locking disc 301, a locking groove 302, a locking pin 303, a compression spring 304, a lifting rod 305, a first groove position 306, a second groove position 307, a hook 108 and a hook 109.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but 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.
As shown in fig. 1 to 5, the spring balancer convenient to operate in this embodiment includes a housing 101, a spiral spring 102, a main shaft 103, a step pulley 104, and a pull rope 105, where the housing 101 is a hollow structure, two ends of the main shaft 103 are rotatably disposed on an inner wall of the housing 101, and one end of the main shaft 103 extends out of the housing 101; the cone pulley 104 is arranged in the shell 101, a rope groove is formed in the outer side of the cone pulley 104, and the pull rope 105 is wound in the rope groove; the cone pulley 104 is sleeved on the main shaft 103, the spiral spring 102 is arranged in the cone pulley 104, the outer end of the spiral spring 102 is fixedly connected with the inner side of the cone pulley 104, and the inner end of the spiral spring 102 is fixedly connected with the main shaft 103; the end, extending out of the shell 101, of the main shaft 103 is provided with a worm wheel 106, a worm 107 meshed with the worm wheel 106 is arranged on the outer side of the shell 101, the worm 107 is rotatably arranged on the outer wall of the shell 101 through a mounting seat, one end of the worm 107 is provided with a chain transmission mechanism 200 capable of driving the worm 107 to rotate, and the input end of the chain transmission mechanism 200 is provided with a hand zipper 201.
In practical implementation, because the inner end of the spiral spring 102 is fixed with the main shaft 103, the outer end is fixed with the cone pulley 104, and the main shaft 103 is fixed under the self-locking function of the worm wheel 106 and the worm 107, when the stay cord 105 drives the cone pulley 104 to rotate, the spiral spring 102 provides restoring force for the cone pulley 104, when the elastic force of the spiral spring 102 needs to be adjusted, the hand zipper 201 can be pulled, the chain transmission mechanism 200 converts the pulling force of the hand zipper 201 into rotary power and drives the worm 107 to rotate, the worm 107 drives the worm wheel 106 to rotate, and finally the main shaft rotates, the inner end of the spiral spring 102 is adjusted, the elastic force is adjusted, and the spring balancer at a high position does not need to be taken down in the whole process, so that the operation is very.
In this embodiment, the chain transmission mechanism 200 includes a first transmission gear 202, a reduction gear 203, a second transmission gear 204 and a chain wheel 205, the first transmission gear 202 and the second transmission gear 204 are arranged in parallel, the first transmission gear 202 is fixedly arranged at one end of the worm 107, the reduction gear 203 is arranged between the first transmission gear 202 and the second transmission gear 204 and realizes power transmission, the torque of the second transmission gear 204 is improved by the effect of the reduction gear 203, the hand-pulling chain 201 is pulled more easily, the chain wheel 205 is fixedly arranged at one side of the second transmission gear 204, the chain wheel 205 can be pulled and rotated by the hand-pulling chain 201, and the first transmission gear 202, the reduction gear 203 and the second transmission gear 204 are all rotatably arranged on the housing 101 through the mounting bracket 206.
In this embodiment, guide discs 207 are disposed on both sides of the sprocket 205.
In this embodiment, a locking plate 301 is disposed on the cone pulley 104, a plurality of locking grooves 302 are disposed on the locking plate 301 along the circumference, a locking platform is disposed on the casing 101, a locking hole is disposed on the locking platform, a locking pin 303 is inserted into the locking hole, a compression spring 304 is sleeved on the locking pin 303, one end of the compression spring 304 is fixedly connected with the locking pin 303, the other end of the compression spring is abutted to the inner wall of the locking platform, a lifting rod 305 is disposed at one end of the locking plate 301, a first groove 306 and a second groove 307 are disposed on the locking platform, the first groove 306 is larger than the second groove 307, and the lifting rod 305 can be accommodated in the first groove.
When the lifting rod 305 is located at the second shallow groove 307, the locking pin 303 cannot go deep into the locking hole under the action of the lifting rod 305, the locking pin 303 does not contact the locking disc 301 and is not locked, and the cone pulley 104 can normally rotate; when the lifting rod 305 is located in the deeper first groove position 306, the locking pin 303 goes deep into the locking hole under the action of the compression spring 304, and can extend into the locking groove 302 to lock the locking disc 301, and at the moment, the cone pulley 104 cannot rotate, and the repairing and other work can be carried out.
In this embodiment, a hook 108 is fixedly connected to one end of the pull rope 105 extending out of the casing 101, and a hook 109 for hanging is fixedly arranged on the casing 101.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (5)
1. A spring balancer for ease of operation, characterized by: the spiral spring type elevator is characterized by comprising a shell, a spiral spring, a main shaft, a cone pulley and a pull rope, wherein the shell is of a hollow structure, two ends of the main shaft are rotatably arranged on the inner wall of the shell, and one end of the main shaft extends out of the shell; the cone pulley is arranged in the shell, a rope groove is formed in the outer side of the cone pulley, and the pull rope is wound in the rope groove; the cone pulley is sleeved on the main shaft, the volute spiral spring is arranged in the cone pulley, the outer end of the volute spiral spring is fixedly connected with the inner side of the cone pulley, and the inner end of the volute spiral spring is fixedly connected with the main shaft; the main shaft stretches out the one end of casing is equipped with the worm wheel, the outside of casing be equipped with worm wheel meshing's worm, the worm rotates through the mount pad to be located the casing outer wall, the one end of worm is equipped with and drives worm pivoted chain drive, chain drive's input is equipped with the hand zip fastener.
2. An easy-to-operate spring balancer as claimed in claim 1, wherein: chain drive includes first drive gear, reduction gear, second drive gear and sprocket, first drive gear and second drive gear parallel arrangement, first drive gear is fixed to be located the one end of worm, reduction gear locates between first drive gear and the second drive gear and realize power transmission, the fixed setting in one side of second drive gear the sprocket, the sprocket can by the hand power chain pulling rotates, first drive gear, reduction gear, second drive gear all rotate through the installing support and locate on the casing.
3. An easy-to-operate spring balancer as claimed in claim 2, wherein: and guide discs are arranged on two sides of the chain wheel.
4. An easy-to-operate spring balancer as claimed in claim 1, wherein: the locking mechanism is characterized in that a locking disc is arranged on the cone pulley, a plurality of locking grooves are formed in the locking disc along the circumference, a locking platform is arranged on the shell, a locking hole is formed in the locking platform, a locking pin is inserted into the locking hole, a compression spring is sleeved on the locking pin, one end of the compression spring is fixedly connected with the locking pin, the other end of the compression spring is abutted to the inner wall of the locking platform, the locking pin is far away from one end of the locking disc is provided with a lifting rod, a first groove and a second groove are formed in the locking platform and can be accommodated in the lifting rod, and the depth of the first groove is larger than that of the second groove.
5. An easy-to-operate spring balancer as claimed in claim 1, wherein: one end of the pull rope extending out of the shell is fixedly connected with a lifting hook, and a hook used for hanging is fixedly arranged on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243132.4U CN213499076U (en) | 2020-06-30 | 2020-06-30 | Spring balancer convenient to operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243132.4U CN213499076U (en) | 2020-06-30 | 2020-06-30 | Spring balancer convenient to operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213499076U true CN213499076U (en) | 2021-06-22 |
Family
ID=76433475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021243132.4U Expired - Fee Related CN213499076U (en) | 2020-06-30 | 2020-06-30 | Spring balancer convenient to operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213499076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211234A (en) * | 2021-12-21 | 2022-03-22 | 一重集团大连核电石化有限公司 | Pull rod balancing device of single bolt stretcher |
| CN117105017A (en) * | 2023-09-05 | 2023-11-24 | 河北艾普达起重设备制造有限公司 | medical balancer |
-
2020
- 2020-06-30 CN CN202021243132.4U patent/CN213499076U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211234A (en) * | 2021-12-21 | 2022-03-22 | 一重集团大连核电石化有限公司 | Pull rod balancing device of single bolt stretcher |
| CN117105017A (en) * | 2023-09-05 | 2023-11-24 | 河北艾普达起重设备制造有限公司 | medical balancer |
| CN117105017B (en) * | 2023-09-05 | 2025-09-26 | 河北艾普达起重设备制造有限公司 | Medical Balancer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |