CN216005036U - Emergency stop mechanism for electric chain hoist - Google Patents
Emergency stop mechanism for electric chain hoist Download PDFInfo
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- CN216005036U CN216005036U CN202121355133.2U CN202121355133U CN216005036U CN 216005036 U CN216005036 U CN 216005036U CN 202121355133 U CN202121355133 U CN 202121355133U CN 216005036 U CN216005036 U CN 216005036U
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- chain
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- guide
- emergency stop
- guide post
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Abstract
The utility model discloses an emergency stopping mechanism for a chain-looped electric hoist, which comprises a fixed plate (1) and a chain guide movable plate (2) which are connected through a guide post (3), wherein cross-shaped chain penetrating holes (4) are formed in the middle parts of the fixed plate (1) and the chain guide movable plate (2), a spring (5) is sleeved on the guide post (3), the spring (5) is positioned between the fixed plate (1) and the chain guide movable plate (2), a switch bracket (6) provided with a travel switch (7) is fixedly arranged on the fixed plate (1), and a signal rod (8) transversely arranged on the chain guide movable plate (2) is pressed on a touch part of the travel switch (7). The emergency stop mechanism for the electric chain hoist, provided by the utility model, has the advantages of simple structure and reliable triggering, and can effectively improve the operation continuity of a using unit of the electric chain hoist, thereby being beneficial to improving the production efficiency and reducing the production cost.
Description
Technical Field
The utility model relates to an emergency stop mechanism, in particular to an emergency stop mechanism applied to a chain electric hoist, and belongs to the technical field of chain electric hoists.
Background
At present, in the field of electric chain hoists, parking brake devices are often only applicable to overload protection directions, such as a brake system for friction transmission overload protection of an electric chain hoist disclosed in chinese patent CN 201420457418.0. However, in practical application, a more general phenomenon still exists, when the chain ring of the chain electric hoist is dislocated from top to bottom to cause jamming, parking braking cannot be timely and effectively performed, the chain is often dragged to break, so that the heavy object is lifted, the heavy object falls to cause a site dangerous situation, the maintenance of the subsequent chain needs to consume great time and energy, the continuous production in a workshop is undoubtedly influenced, and the production efficiency and the production cost of a customer unit are influenced at the time. Therefore, a mechanism for emergency stop when the chain ring is displaced up and down is required.
Disclosure of Invention
The utility model aims to overcome the defects and provide the emergency stop mechanism for the electric chain hoist, which has a simple structure and is reliable to trigger, so that the operation continuity of a using unit of the electric chain hoist is effectively improved, the production efficiency is improved, and the production cost is reduced.
The purpose of the utility model is realized as follows:
the implementation method comprises the following steps:
the utility model provides a chain electric block is with emergency stop mechanism, includes the fixed plate that is connected through the guide post and leads chain loose plate, and the fixed plate all is provided with the chain hole of wearing that is "ten" font with the middle part of leading chain loose plate, the cover is equipped with the spring on the guide post, and the spring is located the fixed plate and leads between the chain loose plate, installs travel switch's switch support fixed mounting on the fixed plate, transversely installs on the touching portion of leading the signal pole pressfitting on the chain loose plate of travel switch.
The utility model relates to an emergency stop mechanism for a chain-looped electric hoist.A head part of a guide post is provided with an external thread, a tail part of the guide post is provided with an anti-drop cap, and the head parts of the guide posts are screwed into screw holes on a lower plate surface of a fixed plate after the guide posts respectively and movably pass through holes on a movable plate of a guide chain.
The utility model relates to an emergency stop mechanism for a chain-looped electric hoist.A through hole on a guide chain movable plate is a step hole, a guide column is arranged in a small-bore end of the step hole in a vertically sliding manner, and an anti-falling cap is arranged in a large-bore end of the step hole.
The utility model relates to an emergency stop mechanism for a chain-link electric hoist, wherein a perforation on a guide chain movable plate is a straight hole, a guide post is arranged in the straight hole in a vertically sliding manner, an anti-falling cap is positioned below the lower plate surface of the guide chain movable plate, and the diameter of the anti-falling cap is larger than the aperture of the perforation.
The emergency stop mechanism for the chain-linked electric hoist is characterized in that the guide post and the anti-drop cap are of an integrated screw rod structure, and external threads arranged at the head of the screw rod are screwed in screw holes in the lower plate surface of the fixing plate.
According to the emergency stop mechanism for the chain-looped electric hoist, the slope surface is arranged at the lower end opening end of the chain penetrating hole, so that a guide effect is achieved on a chain ring.
The utility model relates to an emergency stop mechanism for a chain electric hoist, wherein a positioning sleeve is arranged on a fixing plate.
The implementation mode two is as follows:
the utility model provides a chain electric block uses emergency stop mechanism, includes the fixed plate that mutual parallel arrangement, leads chain loose plate and at least a baffle, and the baffle is located between fixed plate and the chain loose plate of leading, and the middle part of fixed plate, the chain loose plate of leading and baffle all is provided with and is "ten" font wears the chain hole, and the guide post is respectively the activity to pass and leads in the screw of face under the chain loose plate and the baffle behind the perforation with the head screw in of guide post;
all suit many springs on every guide post, the spring is located fixed plate and baffle, adjacent baffle and baffle respectively and leads between the chain loose plate, the vertical fixed mounting of switch support on the fixed plate, travel switch installs on the switch support, and the signal pole is transversely installed on leading the chain loose plate, and the signal pole pressfitting is on travel switch touching portion.
Compared with the prior art, the utility model has the beneficial effects that:
the chain-collecting box can be conveniently and additionally arranged between a chain-collecting box of the chain-type electric hoist and a motor or between the motor and hoisting materials, and the chain-collecting box is blocked after dislocation of chain rings on the chain occurs, so that a travel switch is triggered to stop the electric hoist; the whole process can realize unmanned automatic control, and the safety performance of production is improved; and the chain is prevented from being pulled apart when the vehicle is stopped, and at the moment, after the intervention and maintenance of an operator, the chain only needs to be operated reversely, so that the staggered chain rings can be stroked forward to continue the production, and the production efficiency is effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of an emergency stop mechanism for a chain-link electric hoist according to the present invention.
Wherein:
the device comprises a fixed plate 1, a guide chain movable plate 2, a guide post 3, a chain penetrating hole 4, a spring 5, a switch bracket 6, a travel switch 7, a signal rod 8, a partition plate 9 and a positioning sleeve 10;
and (3) a drop-proof cap 3.1.
Detailed Description
The first embodiment is as follows:
the utility model relates to an emergency stopping mechanism for a chain electric hoist, which comprises a fixed plate 1 and a chain guide movable plate 2 which are arranged in parallel, wherein the chain guide movable plate 2 is positioned right below the fixed plate 1, the middle parts of the fixed plate 1 and the chain guide movable plate 2 are respectively provided with a cross-shaped chain through hole 4 (the cross-shaped chain through hole 4 is formed by intersecting two chain holes with the same length and width, the width of a single chain hole is equal to the thickness of a chain ring, and the length of the single chain hole is equal to the width of the chain ring), so that after adjacent chain rings are dislocated, the chain ring positioned above passes through the chain through hole 4, the length of the chain ring dislocated and transversely positioned below is greater than the length of the chain through hole, and at the moment, jamming triggers the stopping mechanism.
The head of guide post 3 is provided with the external screw thread, and four guide post 3 respectively the activity pass lead behind the perforation on the chain loose leaf 2 with the head screw in of guide post 3 in the screw of face under the fixed plate 1, and in order to avoid leading chain loose leaf 2 and drop downwards, the afterbody of guide post 3 is provided with anticreep cap 3.1.
At the moment, the through hole on the guide chain movable plate 2 is a step hole, the guide column 3 is arranged in the small-bore end of the step hole in an up-and-down sliding manner, and the anti-dropping cap 3.1 is arranged in the large-bore end of the step hole. Or the guide post 3 is arranged in the through hole in an up-and-down sliding manner, the anti-falling cap 3.1 is positioned below the lower plate surface of the guide chain movable plate 2, and the diameter of the anti-falling cap 3.1 is larger than the aperture of the through hole. Furthermore, the guide post 3 and the anti-drop cap 3.1 are of an integrated screw structure, external threads arranged on the head of the screw are screwed in a screw hole on the lower plate surface of the fixing plate 1, and an inner hexagonal groove is formed in a screw cap of the screw, so that assembly operation is facilitated.
The cover is equipped with spring 5 on the guide post 3, and spring 5 is located fixed plate 1 and leads between the chain loose plate 2, and the vertical fixed mounting of switch support 6 is on fixed plate 1, and travel switch 7 installs on switch support 6, and signal pole 8 transversely installs on leading chain loose plate 2, and 8 pressfittings of signal pole are on travel switch 7 touching portion. Preferably, one end of the signal rod 8 is fixed on the chain guide flap 2 through a bolt, so that the included angle between the signal rod and the horizontal plane can be adjusted according to requirements; meanwhile, a screw hole can be formed in the end of the signal rod 8, and an adjusting bolt is screwed in the screw hole and then pressed on the touch part of the travel switch, so that the triggering condition and the sensitivity can be adjusted more conveniently.
During the use, the dislocation takes place from top to bottom generally adjacent chain ring, it can't upwards lead chain loose plate 2 smoothly this moment, will take place the jamming, thereby drive under the spacing guide of the direction of guide post 3 and lead chain loose plate 2 compression spring 5 upward movement, signal pole 8 rebound breaks away from the suppression to travel switch 7's touching portion this moment, because travel switch 7 triggers, the formation switch 7 of the normally closed structure of concatenating on the motor power supply return circuit this moment is triggered and is changed into the open circuit state, make the power supply return circuit of motor cut off, consequently, the automatic shutdown function has been realized. After the intervention of an operator, the chain is moved downwards by only reversely running the motor, the chain rings staggered with each other can be conveniently reset by shaking the chain, and at the moment, the guide chain movable plate 2 is reset downwards under the action of the elastic force of the spring 5 and the gravity of the guide chain movable plate, and drives the signal rod 8 to reset the travel switch 7 downwards.
Furthermore, the lower end opening end of the chain penetrating hole 4 is provided with a slope surface, so that a chain ring is guided.
Further, a positioning sleeve 10 is arranged on the fixing plate 1 and used for guiding the chain with the composite verification requirement to move upwards.
Example two:
referring to fig. 1, an emergency stop mechanism for electric block of chain, include fixed plate 1, lead chain loose plate 2 and an at least baffle 9 of mutual parallel arrangement, and baffle 9 is located fixed plate 1 and leads between the chain loose plate 2, fixed plate 1, the middle part of leading chain loose plate 2 and baffle 9 all is provided with the chain hole 4 that wears that is "ten" font, the head of guide post 3 is provided with the external screw thread, four guide posts 3 respectively the activity pass lead behind the perforation on chain loose plate 2 and the baffle 9 with the head screw in of guide post 3 fixed plate 1 lower plate in, and in order to avoid leading chain loose plate 2 and drop downwards, the afterbody of guide post 3 is provided with anticreep cap 3.1.
Every guide post 3 is gone up and all is overlapped many springs 5, and spring 5 is located fixed plate 1 and baffle 9, adjacent baffle 9 and baffle 9 respectively and leads between the chain loose plate 2, and the vertical fixed mounting of switch support 6 is on fixed plate 1, and travel switch 7 installs on switch support 6, and signal pole 8 transversely installs on leading chain loose plate 2, and signal pole 8 pressfitting is on travel switch 7 touching portion.
The rest characteristics are the same as those of the first embodiment, and the greatest improvement point of the second embodiment is that the partition plate 9 is added, the existence of the braking distance during parking is considered, so that the multi-stage buffering effect is effectively achieved, and the safety performance is improved.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (8)
1. The utility model provides a chain electric block is with emergency stop mechanism which characterized in that: include fixed plate (1) and the chain loose plate (2) of leading that are connected through guide post (3), the middle part of fixed plate (1) and leading chain loose plate (2) all is provided with and is "ten" font wears chain hole (4), the cover is equipped with spring (5) on guide post (3), and spring (5) are located fixed plate (1) and lead between chain loose plate (2), installs switch support (6) fixed mounting of travel switch (7) on fixed plate (1), transversely installs signal pole (8) pressfitting on leading chain loose plate (2) on the touching portion of travel switch (7).
2. The emergency stop mechanism for the electric chain hoist as claimed in claim 1, wherein: the head of guide post (3) is provided with the external screw thread, and the afterbody of guide post (3) is provided with anticreep cap (3.1), and guide post (3) activity respectively passes and leads the perforation on chain loose plate (2) after with the head screw in of guide post (3) in the screw hole of face under fixed plate (1).
3. The emergency stop mechanism for the electric chain hoist as claimed in claim 2, wherein: the through hole on the guide chain movable plate (2) is a step hole, the guide column (3) is arranged in the small-bore end of the step hole in a vertically sliding mode, and the anti-falling cap (3.1) is arranged in the large-bore end of the step hole.
4. The emergency stop mechanism for the electric chain hoist as claimed in claim 2, wherein: lead perforation on the chain loose plate (2) and be the straight hole, guide post (3) slide from top to bottom and set up in the straight hole, anticreep cap (3.1) are located the below of the lower plate face of leading chain loose plate (2), and the diameter of anticreep cap (3.1) is greater than fenestrate aperture.
5. The emergency stop mechanism for the electric chain hoist as claimed in claim 2, 3 or 4, wherein: the guide post (3) and the anti-drop cap (3.1) are of an integrated screw structure, and external threads arranged at the head of the screw are screwed in a screw hole on the lower plate surface of the fixing plate (1).
6. The emergency stop mechanism for the electric chain hoist as claimed in claim 1, wherein: the lower end opening end of the chain penetrating hole (4) is provided with a slope surface, so that a chain ring is guided.
7. The emergency stop mechanism for the electric chain hoist as claimed in claim 1, wherein: the fixing plate (1) is provided with a positioning sleeve (10).
8. The utility model provides a chain electric block is with emergency stop mechanism which characterized in that: the chain guide device comprises a fixing plate (1), a guide chain movable plate (2) and at least one partition plate (9), wherein the partition plate (9) is positioned between the fixing plate (1) and the guide chain movable plate (2), the middle parts of the fixing plate (1), the guide chain movable plate (2) and the partition plate (9) are provided with cross-shaped chain penetrating holes (4), and guide columns (3) respectively and movably penetrate through the guide chain movable plate (2) and the partition plate (9) and then screw heads of the guide columns (3) into screw holes in the lower plate surface of the fixing plate (1);
all suit many springs (5) on every guide post (3), spring (5) are located fixed plate (1) and baffle (9) respectively, adjacent baffle (9) and lead between chain loose plate (2), the vertical fixed mounting of switch support (6) is on fixed plate (1), travel switch (7) are installed on switch support (6), signal pole (8) are transversely installed on leading chain loose plate (2), and signal pole (8) pressfitting is on travel switch (7) touching portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121355133.2U CN216005036U (en) | 2021-06-18 | 2021-06-18 | Emergency stop mechanism for electric chain hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121355133.2U CN216005036U (en) | 2021-06-18 | 2021-06-18 | Emergency stop mechanism for electric chain hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216005036U true CN216005036U (en) | 2022-03-11 |
Family
ID=80524366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121355133.2U Active CN216005036U (en) | 2021-06-18 | 2021-06-18 | Emergency stop mechanism for electric chain hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216005036U (en) |
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2021
- 2021-06-18 CN CN202121355133.2U patent/CN216005036U/en active Active
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