CN211644441U - Chain chest-developer - Google Patents
Chain chest-developer Download PDFInfo
- Publication number
- CN211644441U CN211644441U CN202020107499.7U CN202020107499U CN211644441U CN 211644441 U CN211644441 U CN 211644441U CN 202020107499 U CN202020107499 U CN 202020107499U CN 211644441 U CN211644441 U CN 211644441U
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- CN
- China
- Prior art keywords
- pawl
- ratchet wheel
- power
- handle
- roller
- Prior art date
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- Expired - Fee Related
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Abstract
The chain chest expander comprises a chest expander bracket, a ratchet wheel roller, a ratchet wheel, a power handle, a power pawl, a brake pawl, a pawl release handle, a roller connecting shaft and a steel wire rope, the ratchet wheel roller is internally connected with a roller connecting shaft, the outer side of the ratchet wheel roller is connected with a steel wire rope, the two sides of the ratchet wheel roller are connected with ratchet wheels, the outer side of the ratchet wheel is connected with a power handle, the outer side of the power handle is connected with a chest expander bracket, one side of the two ends of the roller connecting shaft passes through the ratchet wheel, the power handle and the chest expander bracket to be connected with a fastening nut, the upper part of the ratchet wheel is connected with a power pawl, the upper part of the power pawl is connected with a power handle through a rotating shaft, the power pawl rotates on the rotating shaft, the lower part of the ratchet wheel is connected with a braking pawl, the lower part of the brake pawl is connected with the tensioner support through a spring positioning shaft, the brake pawl rotates on the spring positioning shaft, the outer side of the spring positioning shaft is connected with a spring, and the upper part of the spring is connected with the brake pawl.
Description
Technical Field
The utility model relates to a chest expander field especially relates to a chain chest expander.
Background
The winch is driven by a roller chain, the winch is separated from power driving, the chain needs to be disassembled and assembled when the winch is disassembled and assembled, the traditional installation method is a cooperation of four persons, coir ropes and iron wires are used as guide ropes, manual pulling is carried out, the chain is disassembled and assembled by using a chain connector, the disassembly and the assembly are time-consuming and labor-consuming, and people are easily injured.
SUMMERY OF THE UTILITY MODEL
The utility model provides a labour saving and time saving's chain chest expander to the above-mentioned not enough that prior art exists.
The utility model aims at realizing through the following technical scheme:
a chain chest expander comprises a chest expander support, a ratchet wheel roller, a ratchet wheel, a power handle, a power pawl, a braking pawl, a pawl release handle, a roller connecting shaft and a steel wire rope, wherein the ratchet wheel roller is internally connected with the roller connecting shaft, the ratchet wheel roller is externally connected with the steel wire rope, the ratchet wheel is connected with the two sides of the ratchet wheel roller, the power handle is connected with the ratchet wheel outside, the chest expander support is connected with the power handle outside, one side of the two ends of the roller connecting shaft is passed through the ratchet wheel, the power handle and the chest expander support and is connected with a fastening nut, the power pawl is connected with the upper part of the ratchet wheel, the power handle is connected with the upper part of the power pawl through a rotating shaft, the power pawl rotates on the rotating shaft, the lower part of the ratchet wheel is connected with the braking pawl, the lower part of, the lower part of the spring is connected with a spring fixing rod, and an adjusting sliding groove is formed in the spring fixing rod.
The lower part of the adjusting sliding groove is provided with a fixed insertion hole, the outer side of the pawl release handle penetrates through the adjusting sliding groove to be connected with a brake pawl, the pawl release handle slides in the adjusting sliding groove, and the lower part of the pawl release handle is provided with a pawl adjusting rod.
The ratchet adjusting rod corresponds to the fixed jack, the outer side of the fastening inserted rod penetrates through the ratchet adjusting rod to be connected with the fixed jack, the fastening inserted rod slides in the fixed jack, and the fastening inserted rod slides in the ratchet adjusting rod.
Has the advantages that:
the rotation of the ratchet wheel roller is limited by the brake pawl and the power pawl, when the power handle swings clockwise, the power pawl and the ratchet wheel are in a locking state, the brake pawl and the ratchet wheel are in a releasing state, the ratchet wheel roller rotates along with the swing of the power handle, when the power handle swings anticlockwise, the power pawl and the ratchet wheel roller are in a releasing state, the brake pawl and the ratchet wheel roller are in a locking state, the ratchet wheel roller is braked, the swing of the power handle does not affect the state of the ratchet wheel roller, the power handle swings in a reciprocating manner, a steel wire rope is wound on the outer side of the ratchet wheel roller, a chain is pulled to move until the two ends of the chain are drawn to a proper distance, after the chain connecting operation is completed, the handle is pulled clockwise, the brake pawl is released, the fastening inserted rod is pulled out, the brake pawl is released by releasing the handle, and the brake pawl and, make wire rope relax, retrieve the winch drive oil tank with the chain, wire rope retrieves on the ratchet cylinder after, remove the chest expander can to adopt ratchet structure ratchet cylinder cooperation wire rope to draw and drag the chain, safe and reliable can liberate the labour greatly, and labour saving and time saving is dismantled in the installation, and has avoided the manpower to draw and drag the chain and receive the injury, provides the safety guarantee for staff's work.
Drawings
Fig. 1 is a schematic structural view of the chain tensioner of the present invention.
Fig. 2 is a longitudinal sectional view of the chain tensioner of the present invention.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
a chain chest expander comprises a chest expander support 01, a ratchet wheel roller 02, a ratchet wheel 03, a power handle 04, a power pawl 05, a brake pawl 06, a pawl release handle 07, a roller connecting shaft 08 and a steel wire rope 09, wherein the inside of the ratchet wheel roller 02 is connected with the roller connecting shaft 08, the outside of the ratchet wheel roller 02 is connected with the steel wire rope 09, two sides of the ratchet wheel roller 02 are connected with the ratchet wheel 03, the outside of the ratchet wheel 03 is connected with the power handle 04, the outside of the power handle 04 is connected with the chest expander support 01, one side of two ends of the roller connecting shaft 08 penetrates through the ratchet wheel 03, the power handle 04 and the chest expander support 01 to be connected with a fastening nut, the upper part of the ratchet wheel 03 is connected with the power pawl 05, the upper part of the power pawl 05 is connected with the power handle 04 through a rotating shaft, the power pawl 05 rotates, the brake pawl 06 rotates on the spring positioning shaft 15, the spring 14 is connected to the outer side of the spring positioning shaft 15, the brake pawl 06 is connected to the upper portion of the spring 14, the spring fixing rod 16 is connected to the lower portion of the spring 14, and the adjusting chute 12 is arranged inside the spring fixing rod 01.
The lower part of the adjusting sliding groove 12 is provided with a fixed insertion hole 11, the outer side of the pawl release handle 07 penetrates through the adjusting sliding groove 12 to be connected with a brake pawl 06, the pawl release handle 07 slides in the adjusting sliding groove 12, and the lower part of the pawl release handle 07 is provided with a pawl adjusting rod 13.
The pawl adjusting rod 13 corresponds to the fixed insertion hole 11, the outer side of the fastening inserted rod 10 penetrates through the pawl adjusting rod 13 to be connected with the fixed insertion hole 11, the fastening inserted rod 10 slides in the fixed insertion hole 11, and the fastening inserted rod 10 slides in the pawl adjusting rod 13.
The rotation of the ratchet roller 02 is limited by the brake pawl 06 and the power pawl 05, when the power handle 04 swings clockwise, the power pawl 05 and the ratchet 03 are in a locking state, the brake pawl 06 and the ratchet 03 are in a releasing state, the ratchet roller 02 rotates along with the swing of the power handle 04, when the power handle 04 swings anticlockwise, the power pawl 05 and the ratchet roller 02 are in a releasing state, the brake pawl 06 and the ratchet roller 02 are in a locking state, so that the ratchet roller 02 is braked, the swing of the power handle 04 does not affect the state of the ratchet roller 02, the power handle 04 is swung in a reciprocating manner, the steel wire rope 09 is wound and recovered outside the ratchet roller 02, the chain is pulled to move until the two ends of the chain are drawn to a proper distance, after the chain connecting operation is completed, the handle is pulled clockwise, the brake pawl 06 is released, and the fastening inserted rod 10 is pulled down, brake pawl 06 under release pawl release handle 07 is opened, brake pawl 06 is in the state of separating from ratchet cylinder 02 this moment, make wire rope 09 relax, retrieve the winch drive oil tank with the chain, wire rope 09 retrieves on ratchet cylinder 02 after, it can to remove the chest expander, and adopt ratchet 03 structure ratchet cylinder 02 cooperation wire rope 09 to draw and draw the chain, safe and reliable, can liberate the labour greatly, the installation is dismantled labour saving and time saving, and avoided the manpower to draw and draw the chain and receive the injury, the work of giving the staff provides the safety guarantee.
Claims (3)
1. A chain chest expander is characterized by comprising a chest expander support, a ratchet wheel roller, a ratchet wheel, a power handle, a power pawl, a braking pawl, a pawl release handle, a roller connecting shaft and a steel wire rope, wherein the ratchet wheel roller is internally connected with the roller connecting shaft, the outer side of the ratchet wheel roller is connected with the steel wire rope, the two sides of the ratchet wheel roller are connected with the ratchet wheel, the outer side of the ratchet wheel is connected with the power handle, the outer side of the power handle is connected with the chest expander support, one side of the two ends of the roller connecting shaft penetrates through the ratchet wheel, the power handle and the chest expander support to be connected with a fastening nut, the upper part of the ratchet wheel is connected with the power pawl, the upper part of the power pawl is connected with the power handle through a rotating shaft, the power pawl rotates on the rotating shaft, the lower, the upper part of the spring is connected with the braking pawl, the lower part of the spring is connected with the spring fixing rod, and the inside of the spring fixing rod is provided with an adjusting sliding groove.
2. The chain chest expander as claimed in claim 1, wherein the lower part of said adjusting sliding groove has a fixing insertion hole, the outside of the pawl releasing handle passes through the adjusting sliding groove to connect with the braking pawl, the pawl releasing handle slides in the adjusting sliding groove, and the lower part of the pawl releasing handle has a pawl adjusting lever.
3. The chain chest expander as claimed in claim 2, wherein the ratchet adjusting rod corresponds to the fixing insertion hole, the outer side of the fastening inserted rod passes through the ratchet adjusting rod to connect with the fixing insertion hole, the fastening inserted rod slides in the fixing insertion hole, and the fastening inserted rod slides in the ratchet adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107499.7U CN211644441U (en) | 2020-01-17 | 2020-01-17 | Chain chest-developer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107499.7U CN211644441U (en) | 2020-01-17 | 2020-01-17 | Chain chest-developer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211644441U true CN211644441U (en) | 2020-10-09 |
Family
ID=72683731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020107499.7U Expired - Fee Related CN211644441U (en) | 2020-01-17 | 2020-01-17 | Chain chest-developer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211644441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000844A (en) * | 2022-12-28 | 2023-04-25 | 中国民用航空飞行学院 | Novel aircraft engine fan blade backing plate extracting tool |
-
2020
- 2020-01-17 CN CN202020107499.7U patent/CN211644441U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000844A (en) * | 2022-12-28 | 2023-04-25 | 中国民用航空飞行学院 | Novel aircraft engine fan blade backing plate extracting tool |
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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 |
Granted publication date: 20201009 Termination date: 20220117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |