CN117142381B - Electric hoist with safety protection function - Google Patents
Electric hoist with safety protection function Download PDFInfo
- Publication number
- CN117142381B CN117142381B CN202311186687.8A CN202311186687A CN117142381B CN 117142381 B CN117142381 B CN 117142381B CN 202311186687 A CN202311186687 A CN 202311186687A CN 117142381 B CN117142381 B CN 117142381B
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- lifting hook
- block
- connecting rod
- limiting
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- 239000000872 buffer Substances 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 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
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/04—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track
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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
- F16F15/04—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 using elastic means
- F16F15/06—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 using elastic means with metal springs
- F16F15/067—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 using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention relates to the technical field of electric hoists, in particular to an electric hoist with safety protection, which comprises a machine body, wherein a lifting hook is arranged on the machine body, a buffer component b is arranged below the machine body and used for reducing the impact force of the lifting hook, the electric hoist comprises four groups of two opposite connecting blocks, two groups of limiting blocks a are fixedly arranged below the connecting blocks, a connecting rod a is slidably inserted into the bottom end of each limiting block a, two groups of opposite connecting block opposite faces are fixedly connected with a limiting block b, one side of each limiting block b is slidably provided with a connecting rod b, and one end of each connecting rod b is fixedly provided with a spring c. According to the invention, the anti-collision assembly, the buffer assembly and the correction assembly are arranged, and the operation of the winder is controlled automatically through the adjustment of the impact angle, the dispersion of the impact force and the dispersion of the impact force of the lifting hook, so that the damage to the whole equipment after the lifting hook is knocked is effectively prevented.
Description
Technical Field
The invention relates to the technical field of electric hoists, in particular to an electric hoist with safety protection.
Background
The electric hoist is hoisting equipment for engineering, and the electric hoist has characteristics such as small, the dead weight is light, easy operation, convenient to use, and its wide application is in each field, and the transportation that gives people provides very big convenience, because the article that needs to hoist is heavy in most, because of reasons such as operation or trouble in the use, the electric hoist takes place to dash the top condition easily, dashes the top and bumps the damage that causes electric hoist easily, not only influences normal use, cost of maintenance is higher moreover.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the electric hoist with the safety protection, which can effectively solve the problem that the lifting hook on the electric hoist in the prior art is easy to impact and damage.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention provides an electric hoist with safety protection, which comprises a machine body (1), wherein a lifting hook (101) is arranged on the machine body (1), and is characterized in that: a buffer component b (4) is arranged below the machine body (1);
the buffer component b (4) is used for relieving the impact force of the lifting hook (101), and comprises four groups of connecting blocks (401) which are opposite to each other, two groups of limiting blocks a (405) are fixedly arranged below the connecting blocks (401), a connecting rod a (4051) is slidably inserted into the bottom end of each limiting block a (405), limiting blocks b (406) are fixedly connected to the opposite surfaces of the two groups of opposite connecting blocks (401), a connecting rod b (4061) is slidably arranged on one side of each limiting block b (406), a spring c (4062) is fixedly arranged at one end of each connecting rod b (4061), and the end part of each spring c (4062) is fixedly connected with the connecting block (401);
the correcting component (5) is used for adjusting the movement track of the lifting hook (101), and comprises two groups of anti-collision plates a (501) and anti-collision plates b (502) which are positioned below the connecting block (401), when an object ascends to be close to a machine body (1) and is unhooked to cause the lifting hook (101) to shake and jolt off, the anti-collision plates a (501) and b (502) slow down the reaction impact force generated by the lifting hook (101) due to break-off force, the lifting hook (101) is stably recovered, two groups of fixing seats (503) are fixedly arranged on the anti-collision plates a (501), a fixing shaft (5031) is fixedly arranged on the fixing seats (503), the other end of the connecting rod b (4061) is rotatably sleeved on the fixing shaft (5031), two groups of limiting grooves b (5021) are formed in the anti-collision plates b (502), and the end parts of the connecting rod a (4051) are rotatably inserted in the limiting grooves b (5021);
the anti-collision assembly (2) is used for controlling the automatic power-off of the winder in advance before the lifting hook (101) is lifted, the anti-collision assembly (2) comprises a connecting seat (201) fixedly installed at the bottom of the machine body (1), four groups of telescopic rods (202) are fixedly connected to the bottom of the connecting seat (201), the bottom ends of the telescopic rods (202) are fixedly connected with a return-type shell (301), springs a (203) are sleeved on the telescopic rods (202), two ends of each spring a (203) are respectively fixedly connected with the connecting seat (201) and the return-type shell (301), a guide rod (204) is fixedly installed on the return-type shell (301), and a sensor (205) is fixedly connected to the bottom of the connecting seat (201) and located right above the guide rod (204);
the buffer assembly a (3) is used for triggering the anti-collision assembly (2) to operate and cut off the power, the buffer assembly a (3) comprises a square shell (301), two groups of sliding grooves a (302) are formed in the bottom of the square shell (301), a spring b (303) is fixedly installed on the inner side of the sliding groove a (302), and a pushing block (304) is fixedly connected to the end portion of the spring b (303).
Further, two groups of sliding grooves b (5011) are formed in the anti-collision plate a (501), and the end parts of the connecting rods a (4051) are inserted into the sliding grooves b (5011) in a sliding mode.
Further, a connecting component (305) is arranged in the sliding groove a (302) and located on one side of the pushing block (304), the connecting component (305) comprises a sliding block a (3051) which is slidably arranged in the sliding groove a (302), a connecting rod a (3052) which is rotatably sleeved on the sliding block a (3051), a connecting shaft (3053) is rotatably inserted at the end part of the connecting rod a (3052), and a connecting rod b (3054) is rotatably sleeved on the connecting shaft (3053).
Further, two groups of limiting sliding grooves (402) are formed in the connecting block (401), sliding blocks b (3055) are slidably installed in the limiting sliding grooves (402), and the end portions of the connecting rods b (3054) are rotatably sleeved on the sliding blocks b (3055).
Further, limiting grooves a (403) are formed in two ends of the connecting block (401), round balls are rotatably mounted in the limiting grooves a (403), curved rods (404) are arranged between every two groups of adjacent connecting blocks (401), and two ends of each curved rod (404) are fixedly connected with the round balls.
Further, two groups of fixing rods (206) are fixedly arranged in the center of the connecting seat (201), and rubber pads (207) are fixedly sleeved on the fixing rods (206).
Further, the two sides of the lifting hook (101) are fixedly provided with a semi-spherical cushion (102).
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. this kind of take safety protection electric block through setting up crashproof subassembly, buffer unit and correction subassembly, when the lifting hook will be towards the top, can collide at first to correction subassembly, correction subassembly carries out the angle correction to it, and secondly two sets of buffer unit reduce the power buffering to it, finally touches crashproof subassembly release and stops rolling wire rope signal, and then reaches the purpose that prevents the lifting hook and towards the top, effectively protects the lifting hook to towards the holistic damage of equipment after the top problem production.
2. This kind of take safety protection electric block through setting up crashproof subassembly, when the unhook problem appears in the object, and the object breaks loose to the lifting hook for the lifting hook produces the reaction force and produces and rocks, and then, can strike equipment main part from different angles, and crashproof subassembly can accept the striking of lifting hook from each direction, thereby protection device main part and equipment main part.
3. This kind of take safety protection electric block, through setting up buffer unit b, buffer unit b part takes over lifting hook impact force and produces and rock, reduces the degree that other parts rocked, and then slows down the whole influence that receives the impact force of this equipment, through setting up buffer unit a, buffer unit a triggers release signal along with buffer unit b's promotion, stops the rolling of coiler to wire rope for prevent to the continuation of lifting hook and pull the rising, help realizing the self-service protection of independently to electric block.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic perspective view of the whole structure of the present invention;
FIG. 2 is a schematic perspective cross-sectional view of a bumper assembly according to the present invention;
FIG. 3 is a schematic partial cross-sectional view of a cushioning assembly a of the present invention;
FIG. 4 is a schematic perspective view of a buffer assembly b according to the present invention;
FIG. 5 is a schematic side cross-sectional view of an impact plate a of the present invention;
fig. 6 is a schematic perspective view of an impact plate b according to the present invention;
fig. 7 is a schematic perspective view of an impact plate a according to the present invention.
Reference numerals:
1. a body; 101. a lifting hook; 102. a semi-spherical pad;
2. an anti-collision assembly; 201. a connecting seat; 202. a telescopic rod; 203. a spring a; 204. a guide rod; 205. a sensor; 206. a fixed rod; 207. a rubber pad;
3. a buffer assembly a; 301. a loop-shaped housing; 302. a sliding groove a; 303. a spring b; 304. a pushing block; 305. a connection assembly; 3051. a sliding block a; 3052. a connecting rod a; 3053. a connecting shaft; 3054. a connecting rod b; 3055. a sliding block b;
4. a buffer assembly b; 401. a connecting block; 402. limiting sliding grooves; 403. a limit groove a; 404. a curved bar; 405. a limiting block a; 4051. a connecting rod a; 406. a limiting block b; 4061. a connecting rod b; 4062. a spring c;
5. a corrective component; 501. an anti-collision plate a; 5011. a sliding groove b; 502. an anti-collision plate b; 5021. a limit groove b; 503. a fixing seat; 5031. and a fixed shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Embodiment one:
the utility model provides a take safety protection electric block, includes organism 1, is provided with lifting hook 101 on the organism 1, and the equal fixed mounting in both sides of lifting hook 101 has half ball pad 102, through setting up half ball pad 102, half ball pad 102 is the rubber material, helps protecting lifting hook 101, reduces the wearing and tearing that the collision produced.
Referring to fig. 1-2, an anti-collision assembly 2 is used for controlling automatic power-off of a winder in advance before a lifting hook 101 is lifted, and comprises a connecting seat 201 fixedly installed at the bottom of a machine body 1, four groups of telescopic rods 202 are fixedly connected to the bottom of the connecting seat 201, the bottom ends of the telescopic rods 202 are fixedly connected with a return type shell 301, a spring a203 is sleeved on the telescopic rods 202, two ends of the spring a203 are fixedly connected with the connecting seat 201 and the return type shell 301 respectively, the impact force of the return type shell 301 is reduced by arranging the spring a203, a guide rod 204 is fixedly installed on the return type shell 301, a sensor 205 is fixedly connected to the bottom of the connecting seat 201 and located right above the guide rod 204, and particularly, when the lifting problem occurs, the return type shell 301 is pushed to move towards the connecting seat 201, the guide rod 204 moves upwards along with the upward, and then contacts with the sensor 205, and the sensor 205 is triggered, so that the winder in the machine body 1 stops running.
The connecting seat 201 is fixedly provided with two groups of fixing rods 206 at the center, the lifting hook 101 is subjected to final ejection protection through the fixing rods 206, the machine body 1 and the lifting hook 101 are separated, direct contact and collision are avoided, a rubber pad 207 is fixedly sleeved on the fixing rods 206, the purpose of protecting the lifting hook 101 is achieved through the arrangement of the rubber pad 207, and loss caused by the fact that the lifting hook 101 directly impacts the fixing rods 206 is reduced.
Embodiment two:
referring to fig. 1 and fig. 3-fig. 7, a buffer component b4 is arranged below a machine body 1, the buffer component b4 is used for reducing the impact force of a lifting hook 101, the device comprises four groups of connecting blocks 401 which are opposite to each other, limiting grooves a403 are formed in two ends of each connecting block 401, round balls are rotatably mounted in the limiting grooves a403, curved rods 404 are arranged between every two groups of adjacent connecting blocks 401, two ends of each curved rod 404 are fixedly connected with the round balls, the lifting hook 101 is impacted on the device to enable the device to shake, and by arranging the curved rods 404 and the round balls, when the lifting hook 101 impacts on one group of connecting blocks 401, the rest three groups of connecting blocks 401 are relatively stable, so that the shaking degree of the device is reduced, and the stability of the device is improved.
Two groups of limiting blocks a405 are fixedly arranged below the connecting block 401, a connecting rod a4051 is slidably inserted into the bottom end of the limiting block a405, the bottom end of the connecting rod a4051 is in a spherical shape, the anti-collision plate a501 and the anti-collision plate b502 can conveniently rotate at an angle after being impacted, partial impact force is absorbed along with inertia, the service efficiency of the anti-collision plate a501 and the anti-collision plate b502 can be prolonged, a limiting block b406 is fixedly connected to opposite faces of the two groups of opposite connecting blocks 401, a connecting rod b4061 is slidably arranged on one side of the limiting block b406, a spring c4062 is fixedly arranged at one end of the connecting rod b4061, the end of the spring c4062 is fixedly connected with the connecting block 401, when the lifting hook 101 is laterally deflected in the lifting process, the hemispherical cushion 102 pushes the connecting rod b4061 through the anti-collision plate a501, the spring c4062 is subjected to extrusion force, the reaction spring force is released, the anti-collision plate a501 is pushed through the connecting rod b4061, the anti-collision plate a501 is pushed, and the lifting hook 101 is further, and the lifting angle of the lifting hook 101 is corrected.
Embodiment III:
referring to fig. 1 and fig. 4-fig. 7, the correcting component 5 is used for adjusting the motion track of the lifting hook 101, and comprises two groups of anti-collision plates a501 and anti-collision plates b502 which are located below the connecting block 401, when an object is lifted to be close to the machine body 1 and unhooked to cause the lifting hook 101 to shake and collide, the anti-collision plates a501 and the anti-collision plates b502 slow down the reaction impact force generated by the break-off force of the lifting hook 101, so that the lifting hook 101 is stably recovered, two groups of limiting grooves b5021 are formed in the anti-collision plates b502, the end parts of the connecting rods a4051 are rotatably inserted in the limiting grooves b5021, two groups of sliding grooves b5011 are formed in the anti-collision plates a501, the end parts of the connecting rods a4051 are slidably inserted in the sliding grooves b5011, and the sliding grooves b5011 are arranged, when the anti-collision plates a501 are impacted to move towards the limiting blocks b406, the center of the anti-collision plates a501 is positively moved together, the sliding plates a501 are facilitated to rotate, the sliding grooves b5011 are facilitated to rotate and the sliding plates a501, the two groups of the fixing bases are fixedly arranged on the fixing bases 503, and the fixing bases 5031 are rotatably arranged on the fixing bases.
Referring to fig. 1-3, a buffer component a3 is used for triggering an anti-collision component 2 to operate and break power, and comprises a return type shell 301, two groups of sliding grooves a302 are formed in the bottom four directions of the return type shell 301, a spring b303 is fixedly installed on the inner side of the sliding groove a302, a push block 304 is fixedly connected to the end portion of the spring b303, through the arrangement of the spring b303 and the push block 304, after the connecting component 305 is folded due to collision, the spring b303 pushes the push block 304, and then the connecting component 305 returns to the original position, a connecting component 305 is arranged in the sliding groove a302 and located on one side of the push block 304, the connecting component 305 comprises a sliding block a3051 which is installed in the sliding groove a302 in a sliding mode, a connecting rod a3051 is rotatably sleeved on the sliding block a3051, a connecting shaft 3053 is rotatably inserted at the end portion of the connecting rod a3052, a connecting rod b3054 is rotatably sleeved on the connecting shaft 3055, two groups of limiting sliding grooves 402 are formed in the connecting block 401, a sliding block b5 is slidably installed in the limiting sliding groove 402, and the end portion of the connecting rod b3054 is rotatably sleeved on the connecting rod b3055, and the connecting component is directly connected to the connecting component 101 through the return type shell.
When the lifting hook 101 suddenly and vertically rises at a uniform speed and is about to punch, the lifting hook 101 passes through the correction component 5, the hemispherical cushion 102 pushes the two groups of anti-collision plates a501 to move outwards, the anti-collision plates a501 rotate simultaneously in the moving process, the spring c4062 is elastically released, the anti-collision plates a501 push the hemispherical cushion 102, the lifting hook 101 further rises together with the buffer component b4 and the correction component 5, the buffer component b4 is close to the buffer component a3, the connection component 305 rotates, folds and transversely displaces, the lifting hook 101 continuously pushes the buffer component a3 to be close to the anti-collision component 2, the spring a203 buffers and protects the anti-collision component 2, the guide rod 204 contacts the sensor 205, the sensor 205 is triggered to send a signal, and the winder is powered off, so that the lifting hook 101 stops rising, and the problem that the lifting hook 101 is pushed against the body 1 to damage equipment is effectively avoided.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a take safety protection electric block, includes organism (1), be provided with lifting hook (101), its characterized in that on organism (1): a buffer component b (4) is arranged below the machine body (1);
the buffer component b (4) is used for relieving the impact force of the lifting hook (101), and comprises four groups of connecting blocks (401) which are opposite to each other, two groups of limiting blocks a (405) are fixedly arranged below the connecting blocks (401), a connecting rod a (4051) is slidably inserted into the bottom end of each limiting block a (405), limiting blocks b (406) are fixedly connected to the opposite surfaces of the two groups of opposite connecting blocks (401), a connecting rod b (4061) is slidably arranged on one side of each limiting block b (406), a spring c (4062) is fixedly arranged at one end of each connecting rod b (4061), and the end part of each spring c (4062) is fixedly connected with the connecting block (401);
the correcting component (5) is used for adjusting the movement track of the lifting hook (101), and comprises two groups of anti-collision plates a (501) and anti-collision plates b (502) which are positioned below the connecting block (401), when an object ascends to be close to a machine body (1) and is unhooked to cause the lifting hook (101) to shake and jolt off, the anti-collision plates a (501) and b (502) slow down the reaction impact force generated by the lifting hook (101) due to break-off force, the lifting hook (101) is stably recovered, two groups of fixing seats (503) are fixedly arranged on the anti-collision plates a (501), a fixing shaft (5031) is fixedly arranged on the fixing seats (503), the other end of the connecting rod b (4061) is rotatably sleeved on the fixing shaft (5031), two groups of limiting grooves b (5021) are formed in the anti-collision plates b (502), and the end parts of the connecting rod a (4051) are rotatably inserted in the limiting grooves b (5021);
the anti-collision assembly (2) is used for controlling the automatic power-off of the winder in advance before the lifting hook (101) is lifted, the anti-collision assembly (2) comprises a connecting seat (201) fixedly installed at the bottom of the machine body (1), four groups of telescopic rods (202) are fixedly connected to the bottom of the connecting seat (201), the bottom ends of the telescopic rods (202) are fixedly connected with a return-type shell (301), springs a (203) are sleeved on the telescopic rods (202), two ends of each spring a (203) are respectively fixedly connected with the connecting seat (201) and the return-type shell (301), a guide rod (204) is fixedly installed on the return-type shell (301), and a sensor (205) is fixedly connected to the bottom of the connecting seat (201) and located right above the guide rod (204);
the buffer assembly a (3) is used for triggering the anti-collision assembly (2) to operate and cut off the power, the buffer assembly a (3) comprises a square shell (301), two groups of sliding grooves a (302) are formed in the bottom of the square shell (301), a spring b (303) is fixedly installed on the inner side of the sliding groove a (302), and a pushing block (304) is fixedly connected to the end portion of the spring b (303).
2. The electric hoist with safety protection according to claim 1, wherein two groups of sliding grooves b (5011) are formed in the anti-collision plate a (501), and the end portions of the connecting rods a (4051) are slidably inserted into the sliding grooves b (5011).
3. The electric hoist with safety protection according to claim 1, wherein a connecting component (305) is arranged in the sliding groove a (302) and located at one side of the pushing block (304), the connecting component (305) comprises a sliding block a (3051) slidably installed in the sliding groove a (302), a connecting rod a (3052) rotationally sleeved on the sliding block a (3051) is arranged on the sliding block a (3051) in a rotating mode, a connecting shaft (3053) is rotationally inserted at the end portion of the connecting rod a (3052), and a connecting rod b (3054) is rotationally sleeved on the connecting shaft (3053).
4. The electric hoist with safety protection according to claim 1, wherein two groups of limiting sliding grooves (402) are formed in the connecting block (401), a sliding block b (3055) is slidably installed in the limiting sliding grooves (402), and the end portion of the connecting rod b (3054) is rotatably sleeved on the sliding block b (3055).
5. The electric hoist with safety protection according to claim 1, wherein limiting grooves a (403) are formed in two ends of the connecting block (401), round balls are rotatably mounted in the limiting grooves a (403), curved rods (404) are arranged between every two groups of adjacent connecting blocks (401), and two ends of each curved rod (404) are fixedly connected with the round balls.
6. The electric hoist with safety protection according to claim 1, wherein two groups of fixing rods (206) are fixedly arranged in the center of the connecting seat (201), and rubber pads (207) are fixedly sleeved on the fixing rods (206).
7. The electric hoist with safety protection according to claim 1, characterized in that the two sides of the lifting hook (101) are fixedly provided with a semi-spherical cushion (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311186687.8A CN117142381B (en) | 2023-09-14 | 2023-09-14 | Electric hoist with safety protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311186687.8A CN117142381B (en) | 2023-09-14 | 2023-09-14 | Electric hoist with safety protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117142381A CN117142381A (en) | 2023-12-01 |
| CN117142381B true CN117142381B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311186687.8A Active CN117142381B (en) | 2023-09-14 | 2023-09-14 | Electric hoist with safety protection function |
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| Country | Link |
|---|---|
| CN (1) | CN117142381B (en) |
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| CN218058256U (en) * | 2022-09-30 | 2022-12-16 | 彬野起重机械(上海)有限公司 | Lifting anti-collision protection device of crane |
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2023
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|---|---|---|---|---|
| CN106276660A (en) * | 2016-08-24 | 2017-01-04 | 德马科起重机械有限公司 | A kind of crashproof stopping means of electric block |
| CN110745696A (en) * | 2019-10-30 | 2020-02-04 | 鑫领域智能科技(邳州)有限公司 | Electric hoist running gear |
| CN211056550U (en) * | 2019-11-22 | 2020-07-21 | 山东磊诺机械科技有限公司 | A electric block buffer stop for driving |
| CN213923856U (en) * | 2020-12-17 | 2021-08-10 | 河南金基业重工有限公司 | Anti-ejection limiter of electric hoist |
| CN218058256U (en) * | 2022-09-30 | 2022-12-16 | 彬野起重机械(上海)有限公司 | Lifting anti-collision protection device of crane |
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| CN117142381A (en) | 2023-12-01 |
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