CN111546288A - Chain extension pin press-fitting machine - Google Patents
Chain extension pin press-fitting machine Download PDFInfo
- Publication number
- CN111546288A CN111546288A CN202010300599.6A CN202010300599A CN111546288A CN 111546288 A CN111546288 A CN 111546288A CN 202010300599 A CN202010300599 A CN 202010300599A CN 111546288 A CN111546288 A CN 111546288A
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- China
- Prior art keywords
- chain
- positioning
- rod
- locating
- hole
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention relates to the field of chains, in particular to a chain extension pin press-fitting machine. The utility model provides a chain extension round pin pressure equipment machine, includes base and location cylinder, the both sides of the upper surface of base be provided with preceding baffle and back baffle respectively, preceding baffle and back baffle between be provided with the guide passageway that is used for holding the chain, the base on correspond the guide passageway and be provided with the blanking clearance, preceding baffle on be provided with two locating holes that extend to in the guide passageway, the back baffle on be provided with the fixing base, the fixing base on correspond the guide passageway and be provided with the card material hole that is used for placing the extension round pin, the piston rod of location cylinder on be provided with the locating plate, the both sides of locating plate be provided with the locating hole cooperate and be used for the locating lever to the chain location. The invention has high production efficiency and can reduce the production cost of enterprises.
Description
Technical Field
The invention relates to the field of chains, in particular to a chain extension pin press-fitting machine.
Background
The chain is generally a metallic chain ring or ring, and is used for mechanical transmission and traction.
Most chains are composed of chain plates, pin shafts, sleeves and other parts.
The length of the pin shafts on conventional chains is the same, but in some cases it is desirable to use chains with spaced apart extension pins that are longer than the length of the conventional pin shafts.
The existing production mode of the extension pin chain is that all parts on the chain are sequentially assembled and then press-fitting production is carried out, so that the production efficiency is very low, and the production cost of enterprises is greatly increased.
For example, Chinese patent publication numbers are: CN105314329A, in a unilateral extension round pin chain of 2016 annual 2 month 10 day announced, connect gradually by the chain link and constitute, every chain link all includes outer link plate, inner link plate, roller, round pin axle and sleeve, and outer link plate and inner link plate are installed in the both sides of round pin axle in proper order, and outer link plate one side is stretched out to the one end of round pin axle, and the sleeve is installed in the outside of round pin axle, and the roller suit is on the sleeve, and its major technical characteristics are: the extending end of the pin shaft is provided with a guide chamfer. The chain transmission line is reasonable in design, the chain with the extension pin and the transmission shaft are fixedly arranged together to form the double-row chain transmission line, so that the transmission line is more convenient to install and maintain, the stability of the transmission line is improved, the chain transmission line can be widely applied to the freely rolling transmission line, but when the single-side extension pin chain is produced, all parts on the chain need to be sequentially assembled, then press-fitting production is carried out, the production efficiency is very low, and the production cost of enterprises is greatly increased.
Disclosure of Invention
The invention mainly aims at the problems that the production efficiency is very low and the production cost of enterprises is greatly increased because the existing production mode of the extension pin chain is that all parts on the chain are sequentially assembled and then press-fitting production is carried out, and provides the chain extension pin press-fitting machine which has high production efficiency and can reduce the production cost of the enterprises.
The purpose of the invention is mainly realized by the following scheme: the utility model provides a chain extension round pin pressure equipment machine, includes base and location cylinder, the both sides of the upper surface of base be provided with preceding baffle and back baffle respectively, preceding baffle and back baffle between be provided with the guide passageway that is used for holding the chain, the base on correspond the guide passageway and be provided with the blanking clearance, preceding baffle on be provided with two locating holes that extend to in the guide passageway, the back baffle on be provided with the fixing base, the fixing base on correspond the guide passageway and be provided with the card material hole that is used for placing the extension round pin, the piston rod of location cylinder on be provided with the locating plate, the both sides of locating plate be provided with the locating hole cooperate and be used for the locating lever to the chain location. The two sides of the upper surface of the base are respectively provided with a front guide plate and a rear guide plate, a guide channel for accommodating a chain is arranged between the front guide plate and the rear guide plate, a blanking gap is arranged on the base corresponding to the guide channel, the front guide plate is provided with two positioning holes extending into the guide channel, the rear guide plate is provided with a fixed seat, the fixed seat is provided with a clamping hole for placing an extension pin corresponding to the guide channel, a positioning plate is arranged on a piston rod of the positioning cylinder, the two sides of the positioning plate are provided with positioning rods matched with the positioning holes and used for positioning the chain, when the extension pin chain is produced, a worker firstly puts the extension pin into the clamping hole, then puts the chain with a common pin shaft into the guide channel, and moves the chain to a proper position corresponding to the extension pin, at the moment, the common pin shaft on the chain is placed corresponding to the extension pin, then starts the positioning cylinder, the piston rod of the, the locating plate can drive two locating levers and remove toward locating hole and chain direction, be the positioning gap between two adjacent sleeves on the chain, the locating lever can block in the positioning gap, then block the chain and play certain supporting role to the chain through two locating levers, subsequently the staff can start press or other equipment and will prolong the round pin and remove toward the chain direction, thereby make the ordinary round pin axle extrusion that the extension round pin will correspond with it go out, the ordinary round pin axle of being extruded drops from blanking clearance, the installation of extension round pin has been realized, the production efficiency is very high, the manufacturing cost of enterprise has greatly been reduced.
Preferably, the material pushing device further comprises an operating head, a threaded rod is arranged at one end of the operating head, a threaded hole communicated to the material clamping hole and connected with the threaded rod in a threaded mode is formed in the fixing seat, an arc-shaped groove is formed in one end, far away from the operating head, of the threaded rod, and a material pushing ball used for pushing against the extending pin is arranged in the arc-shaped groove. Still include the operating head, the one end of operating head is provided with the threaded rod, be provided with on the fixing base intercommunication to the card material hole and with threaded rod threaded connection's screw hole, the one end of keeping away from the operating head of threaded rod is provided with the arc wall, be provided with in the arc wall and be used for pushing up the ejection ball on the extension round pin, the staff can make the threaded rod at the downthehole back-and-forth movement of threaded rod through rotatory operating head, make the threaded rod can drive the ejection ball back-and-forth movement, thereby can be downthehole at the card material with the extension round pin chucking through the ejection ball, when the extension round pin removes, the ejection ball can take place to roll, thereby reduce the friction loss each other.
Preferably, the bottom of the arc-shaped groove is provided with a material ejecting hole, a material ejecting spring is arranged in the material ejecting hole, one end of the material ejecting spring is connected to the bottom surface of the material ejecting hole, and the other end of the material ejecting spring abuts against the material ejecting ball. The bottom of arc wall is provided with the liftout hole, and the downthehole liftout spring that is provided with of liftout, the one end of liftout spring is connected on the bottom surface in liftout hole, and the other end of liftout spring supports on the liftout ball, and the setting of liftout spring can assist the liftout ball to support on the extension round pin to can play certain cushioning effect, prevent that the liftout ball will prolong the round pin excessive card and die.
Preferably, the material ejecting ball is made of rubber materials. The material ejection ball is made of rubber materials, so that the material ejection ball can deform elastically when stressed, the clamping force on the extension pin is increased to a certain extent, and the condition that the extension pin is loosened and automatically separated from the material clamping hole is prevented.
Preferably, one end of the positioning rod, which is far away from the positioning plate, is provided with an expansion airbag, the positioning rod is provided with a gas storage airbag corresponding to the expansion airbag, the gas storage airbag is in a circular truncated cone shape, one side of the gas storage airbag with a larger area is arranged close to the positioning plate, and the gas storage airbag is connected with the expansion airbag through a gas pipe. The end of the positioning rod far away from the positioning plate is provided with an expansion airbag, the positioning rod is provided with a gas storage airbag corresponding to the expansion airbag, the gas storage airbag is in a round table shape, the side with larger area on the gas storage airbag is arranged close to the positioning plate, the gas storage airbag is connected with the expansion airbag through a gas pipe, the position of the chain needs to be adjusted manually when the chain moves, so that the position of the chain is easy to deviate, if the cross section of the positioning rod is larger, the positioning rod is not easy to be accurately clamped into the positioning gap of the chain, therefore, after the expansion airbag and the gas storage airbag are arranged, when the positioning rod moves in the positioning hole, the end with the expansion airbag on the positioning rod firstly passes through the positioning hole and enters the positioning gap, then after the gas storage airbag enters the positioning hole, the gas storage airbag is compressed, then the gas in the gas storage airbag enters the expansion airbag through the gas pipe, thereby playing the effect of location and support to the chain, it is very simple to use.
Preferably, one end of the positioning rod, which is close to the positioning plate, is provided with a positioning block, the positioning plate is provided with a buffer rod corresponding to the positioning block, the buffer rod is connected with the positioning block in a sliding manner, and a buffer spring is arranged between the positioning block and the positioning plate around the buffer rod. The one end that is close to the locating plate of locating lever is provided with the locating piece, corresponds the locating piece on the locating plate and is provided with the buffer beam, buffer beam and locating piece sliding connection are provided with buffer spring around the buffer beam between locating piece and the locating plate, thereby because the locating lever can appear positional deviation when removing and support on the sleeve of chain, certain cushioning effect can be played in buffer spring and buffer beam's setting, takes place the damage when preventing to take place locating lever and sleeve collision.
Preferably, the positioning rod is connected to the positioning block through a bolt. The locating lever passes through bolted connection on the locating piece, connects firmly, and it is convenient to dismantle.
Preferably, the side of the front guide plate close to the material guiding channel and the side of the rear guide plate close to the material guiding channel are both provided with a lug which is in sliding connection with the sleeve on the chain. One side that is close to the guide passageway of front baffle and one side that is close to the guide passageway of back baffle all are provided with the sleeve sliding connection's on the chain lug, and the lug setting can play the guide effect to the removal of chain between two piece upper and lower link joints of chain, also can play the supporting role to the chain when production.
Therefore, the chain extension pin press-fitting machine has the following advantages: the chain production device is simple in structure and convenient and fast to operate, can efficiently produce chains with extension pins, greatly reduces the production cost of enterprises, and is high in stability during production and processing.
Drawings
FIG. 1 is a left side view of the present invention with the positioning cylinder removed.
Fig. 2 is a top view of the present invention with the mounting base removed.
Fig. 3 is a cross-sectional view at a in fig. 1.
Fig. 4 is a schematic view of the structure of the finished chain with the extension pins.
Illustration of the drawings: 1-base, 2-blanking gap, 3-back guide, 4-front guide, 5-fixing seat, 6-chain, 7-common pin shaft, 8-guide channel, 9-lug, 10-extension pin, 11-material clamping hole, 12-positioning hole, 13-operating head, 14-threaded rod, 15-positioning cylinder, 16-positioning plate, 17-buffer spring, 18-buffer rod, 19-positioning block, 20-expansion air bag, 21-air pipe, 22-air storage air bag, 23-positioning rod, 24-material ejecting ball, 25-material ejecting spring, 26-material ejecting hole, 27-arc groove, 28-sleeve, 29-positioning gap and 30-threaded hole.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in fig. 1, 2, 3, 4, a chain extension pin press-fitting machine comprises a base 1 and a positioning cylinder 15, wherein a front guide plate 4 and a rear guide plate 3 are respectively arranged on two sides of the upper surface of the base 1, a guide channel 8 for accommodating a chain is arranged between the front guide plate 4 and the rear guide plate 3, a protruding block 9 slidably connected with a sleeve 28 on the chain is arranged on one side of the front guide plate 4 close to the guide channel 8 and one side of the rear guide plate 3 close to the guide channel 8, the protruding block 9 is arranged between an upper chain plate and a lower chain plate of the chain, the protruding block 9 can guide the movement of the chain and support the chain during production, a blanking gap 2 is arranged on the base 1 corresponding to the guide channel 8, two positioning holes 12 extending into the guide channel 8 are arranged on the front guide plate 4, a fixing seat 5 is arranged on the rear guide plate 3, a material clamping hole 11 for placing the extension pin is arranged on the fixing seat 5 corresponding to the guide channel 8, a positioning plate 16 is arranged on a piston rod of a positioning cylinder 15, positioning rods 23 which are matched with the positioning holes 12 and used for positioning the chain are arranged on two sides of the positioning plate 16, when the chain with the extension pin is produced, a worker firstly puts the extension pin 10 into a clamping hole 11, then puts a chain 6 with a common pin shaft 7 into a material guide channel 8, moves the chain 6 to a proper position corresponding to the extension pin, at the moment, the common pin shaft 7 on the chain 6 is placed corresponding to the extension pin, then the positioning cylinder 15 is started, the piston rod of the positioning cylinder 15 drives the positioning plate 16 to move, the positioning plate 16 drives two positioning rods 23 to move towards the positioning holes 12 and the chain direction, a positioning gap 29 is formed between two adjacent sleeves 28 on the chain, the positioning rods 23 are clamped into the positioning gap 29, then the chain is clamped by the two positioning rods 23 and plays a certain supporting role on the chain, and then the worker can start a press or other equipment to move the extension pin 10 towards the chain 6, therefore, the extension pin 10 extrudes the corresponding common pin shaft 7, and the extruded common pin shaft 7 falls from the blanking gap 2, so that the installation of the extension pin is realized, the production efficiency is very high, and the production cost of enterprises is greatly reduced.
The material pushing device is characterized by further comprising an operating head 13, a threaded rod 14 is arranged at one end of the operating head 13, a threaded hole 30 communicated with the material clamping hole 11 and in threaded connection with the threaded rod 14 is formed in the fixed seat 5, an arc-shaped groove 27 is formed in one end, far away from the operating head 13, of the threaded rod 14, a material pushing ball 24 used for pushing against the extension pin is arranged in the arc-shaped groove 27, a worker can enable the threaded rod 14 to move back and forth in the threaded hole 30 by rotating the operating head 13, the threaded rod 14 can drive the material pushing ball 24 to move back and forth, so that the extension pin can be clamped in the material clamping hole 11 through the material pushing ball 24, when the extension pin moves, the material pushing ball 24 can roll, friction loss among the material pushing balls is reduced, and; the bottom of the arc-shaped groove 27 is provided with a material ejecting hole 26, a material ejecting spring 25 is arranged in the material ejecting hole 26, one end of the material ejecting spring 25 is connected to the bottom surface of the material ejecting hole 26, the other end of the material ejecting spring 25 abuts against the material ejecting ball 24, the material ejecting spring 25 can assist the material ejecting ball 24 to abut against the extension pin and can play a certain buffering role to prevent the material ejecting ball 24 from excessively clamping the extension pin; the material ejection ball 24 is made of rubber materials, so that the material ejection ball 24 can be elastically deformed when stressed, the clamping force on the extension pin is increased to a certain extent, and the condition that the extension pin is loosened to automatically separate from the material clamping hole 11 is prevented.
The end of the positioning rod 23 far away from the positioning plate 16 is provided with the inflatable airbag 20, the positioning rod 23 is provided with the gas storage airbag 22 corresponding to the inflatable airbag 20, the gas storage airbag 22 is in a round table shape, the side with a larger area on the gas storage airbag 22 is arranged close to the positioning plate 16, the gas storage airbag 22 is connected with the inflatable airbag 20 through the gas pipe 21, because the position of the chain is easy to be adjusted manually when the chain moves, the position of the chain is easy to deviate, if the cross section of the positioning rod 23 is larger, the positioning rod 23 is not easy to be accurately clamped into the positioning gap 29 of the chain, therefore, after the inflatable airbag 20 and the gas storage airbag 22 are arranged, when the positioning rod 23 moves in the positioning hole 12, the end of the positioning rod 23 with the inflatable airbag 20 firstly passes through the positioning hole 12 and enters the positioning gap 29, then after the gas storage airbag 22 enters the positioning hole 12, the gas storage airbag 22 is compressed, and then the gas, so that the expansion air bag 20 is expanded and clamped in the positioning gap 29, thereby positioning and supporting the chain and being simple to use.
Locating lever 23's the one end that is close to locating plate 16 is provided with locating piece 19, locating lever 23 passes through bolted connection on locating piece 19, it is firm to connect, it is convenient to dismantle, it is provided with buffer beam 18 to correspond locating piece 19 on the locating plate 16, buffer beam 18 and locating piece 19 sliding connection, be provided with buffer spring 17 around buffer beam 18 between locating piece 19 and the locating plate 16, thereby because locating lever 23 can appear the position deviation when removing and support on the sleeve 28 of chain, buffer spring 17 and buffer beam 18's setting can play certain cushioning effect, take place the damage when preventing to take place locating lever 23 and sleeve 28 collision.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. The utility model provides a chain extension round pin pressure equipment machine, its characterized in that includes base and location cylinder, the both sides of the upper surface of base be provided with preceding baffle and back baffle respectively, preceding baffle and back baffle between be provided with the guide passageway that is used for holding the chain, the base on correspond the guide passageway and be provided with the blanking clearance, preceding baffle on be provided with two locating holes that extend to in the guide passageway, the back baffle on be provided with the fixing base, the fixing base on correspond the guide passageway and be provided with the card material hole that is used for placing the extension round pin, the piston rod of location cylinder on be provided with the locating plate, the both sides of locating plate be provided with the locating hole cooperate and be used for the locating lever to the chain location.
2. The chain extension pin press-fitting machine as claimed in claim 1, further comprising an operating head, wherein a threaded rod is provided at one end of the operating head, a threaded hole connected to the clamping hole and threadedly engaged with the threaded rod is provided on the fixing base, an arc-shaped groove is provided at one end of the threaded rod away from the operating head, and a material ejection ball for abutting against the extension pin is provided in the arc-shaped groove.
3. The chain extension pin press-fitting machine as claimed in claim 2, wherein a material ejecting hole is formed at the bottom of the arc-shaped groove, a material ejecting spring is arranged in the material ejecting hole, one end of the material ejecting spring is connected to the bottom surface of the material ejecting hole, and the other end of the material ejecting spring abuts against the material ejecting ball.
4. A chain extension pin press as claimed in claim 2 or 3, wherein the knock out ball is made of rubber material.
5. The chain extension pin press-fitting machine according to claim 1, wherein an expansion airbag is disposed at one end of the positioning rod away from the positioning plate, a gas storage airbag is disposed on the positioning rod corresponding to the expansion airbag, the gas storage airbag is in a circular truncated cone shape, one side of the gas storage airbag with a larger area is disposed close to the positioning plate, and the gas storage airbag is connected with the expansion airbag through a gas pipe.
6. The chain extension pin press-fitting machine as claimed in claim 1, 2, 3 or 5, wherein a positioning block is provided at one end of the positioning rod close to the positioning plate, a buffer rod is provided on the positioning plate corresponding to the positioning block, the buffer rod is slidably connected with the positioning block, and a buffer spring is provided between the positioning block and the positioning plate around the buffer rod.
7. The chain extension pin press-fitting machine according to claim 6, wherein the positioning rod is connected to the positioning block by a bolt.
8. The chain extension pin press as claimed in claim 1, 2, 3 or 5, wherein the front guide plate and the rear guide plate are provided with projections slidably connected to the sleeves of the chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010300599.6A CN111546288B (en) | 2020-04-16 | 2020-04-16 | Chain extension pin press-fitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010300599.6A CN111546288B (en) | 2020-04-16 | 2020-04-16 | Chain extension pin press-fitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111546288A true CN111546288A (en) | 2020-08-18 |
| CN111546288B CN111546288B (en) | 2021-09-28 |
Family
ID=71998218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010300599.6A Active CN111546288B (en) | 2020-04-16 | 2020-04-16 | Chain extension pin press-fitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111546288B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208487A (en) * | 2021-05-08 | 2021-08-06 | 温州市人民医院 | Safety device for bathroom |
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|---|---|---|---|---|
| US7343728B1 (en) * | 2007-05-14 | 2008-03-18 | Zipty Racing, Inc. | Chain tool |
| CN201111451Y (en) * | 2007-01-18 | 2008-09-10 | 孙承启 | High frequency induction heating swaging die riveting device |
| CN203125436U (en) * | 2012-11-09 | 2013-08-14 | 天津建筑机械厂 | Tool for installing bulldozer shaft part locating pins |
| CN203843772U (en) * | 2014-04-28 | 2014-09-24 | 中国三冶集团有限公司 | Chain dismounting device |
| CN208357723U (en) * | 2018-06-04 | 2019-01-11 | 上海闸环北站环境卫生工程有限公司 | A kind of chain provision for disengagement |
| CN208811028U (en) * | 2018-08-06 | 2019-05-03 | 苏州巨人动力链条有限公司 | A kind of chain provision for disengagement |
| CN209206364U (en) * | 2018-12-19 | 2019-08-06 | 沧州天瑞星光热技术有限公司 | A kind of device for chain disassembly |
| CN212407457U (en) * | 2020-04-16 | 2021-01-26 | 江山永利百合实业有限公司 | Portable chain extension round pin pressure equipment machine |
-
2020
- 2020-04-16 CN CN202010300599.6A patent/CN111546288B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201111451Y (en) * | 2007-01-18 | 2008-09-10 | 孙承启 | High frequency induction heating swaging die riveting device |
| US7343728B1 (en) * | 2007-05-14 | 2008-03-18 | Zipty Racing, Inc. | Chain tool |
| CN203125436U (en) * | 2012-11-09 | 2013-08-14 | 天津建筑机械厂 | Tool for installing bulldozer shaft part locating pins |
| CN203843772U (en) * | 2014-04-28 | 2014-09-24 | 中国三冶集团有限公司 | Chain dismounting device |
| CN208357723U (en) * | 2018-06-04 | 2019-01-11 | 上海闸环北站环境卫生工程有限公司 | A kind of chain provision for disengagement |
| CN208811028U (en) * | 2018-08-06 | 2019-05-03 | 苏州巨人动力链条有限公司 | A kind of chain provision for disengagement |
| CN209206364U (en) * | 2018-12-19 | 2019-08-06 | 沧州天瑞星光热技术有限公司 | A kind of device for chain disassembly |
| CN212407457U (en) * | 2020-04-16 | 2021-01-26 | 江山永利百合实业有限公司 | Portable chain extension round pin pressure equipment machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208487A (en) * | 2021-05-08 | 2021-08-06 | 温州市人民医院 | Safety device for bathroom |
| CN113208487B (en) * | 2021-05-08 | 2022-05-31 | 温州市人民医院 | Safety device for bathroom |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111546288B (en) | 2021-09-28 |
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