CN214494647U - Novel anti-falling system of chain type elevator - Google Patents
Novel anti-falling system of chain type elevator Download PDFInfo
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- CN214494647U CN214494647U CN202120764907.0U CN202120764907U CN214494647U CN 214494647 U CN214494647 U CN 214494647U CN 202120764907 U CN202120764907 U CN 202120764907U CN 214494647 U CN214494647 U CN 214494647U
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Abstract
The utility model discloses a novel anti-falling system of chain formula lifting machine, including base, stand, driving motor, chain and lifting arm elevating system, lifting arm elevating system includes main body frame and chain connecting block, and the main body frame top is equipped with both sides riser, chain connecting block middle part is fixed between the riser of both sides through the pivot, and chain connecting block upper end is connected with chain one end, chain connecting block lower part one side is equipped with one and prevents weighing down the bolt, prevents to be equipped with one row on the stand of weighing down bolt front end one side and prevents weighing down the card hole, be equipped with a fixed plate on the main body frame of chain connecting block opposite side, be fixed with a spring between fixed plate and the chain connecting block. Compared with the prior art, the utility model the advantage be: the utility model discloses can effectively prevent falling of hoisting arm elevating system and material, prevent weighing down mechanism reasonable in design, ingenious, the facilitate promotion is used.
Description
Technical Field
The utility model relates to an anti-falling system especially relates to a novel anti-falling system of chain formula lifting machine.
Background
At present, chain formula lifting machine has a potential safety hazard, and when the chain fracture, the material that chain one end promoted can lose traction force, arouses then that the hopper descends, has great hidden danger to operating personnel on every side, and the other hand causes huge influence to the stability of equipment. Therefore, the development of a novel anti-falling system of a chain type elevator becomes a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The utility model provides a solve above-mentioned not enough, provide a novel anti-falling system of chain formula lifting machine.
The above object of the present invention is achieved by the following technical solutions: a novel anti-falling system of a chain type elevator comprises a base, an upright post, a driving motor, a chain and a lifting arm lifting mechanism, wherein the lower end of the upright post is fixed on the base, and the motor is arranged at the top of the upright post; the output shaft of the driving motor is provided with a driving chain wheel, the bottom of the upright post is provided with a driven chain wheel, one end of the chain is connected with the upper end of the lifting arm lifting mechanism, the other end of the chain is connected with the lower end of the lifting arm lifting mechanism after sequentially bypassing the driving chain wheel and the driven chain wheel, and a lifting arm is fixed on the lifting arm lifting mechanism; the method is characterized in that: the lifting arm lifting mechanism comprises a main body frame and a chain connecting block, two side vertical plates are arranged at the top of the main body frame, the middle of the chain connecting block is fixed between the two side vertical plates through a rotating shaft, the upper end of the chain connecting block is connected with one end of a chain, one side of the lower part of the chain connecting block is provided with an anti-falling bolt, a row of anti-falling clamping holes are formed in a stand column on one side of the front end of the anti-falling bolt, a fixing plate is arranged on the main body frame on the other side of the chain connecting block, and a spring is fixed between the fixing plate and the chain connecting block.
Furthermore, prevent weighing down bolt one side and be equipped with a limiting plate, the limiting plate both sides are fixed on the riser of both sides, and the limiting plate is used for restricting prevents weighing down the upper limit position that the bolt upwarps, makes the upper limit position of preventing weighing down the bolt be horizontal basically.
Furthermore, the connecting position of the chain connecting block and the anti-falling bolt is an inclined plane which is perpendicular to the anti-falling bolt.
Furthermore, the upper end of the chain connecting block is connected with a threaded hole and is connected with an adjustable lifting ring, and the adjustable lifting ring is provided with a screw rod end and is connected in the threaded hole.
Further, all be equipped with the spring stiff end on fixed plate and the chain connecting block, and at least one spring stiff end is spring length's third to two-thirds, and the fixed spring both ends of being convenient for prevent that the spring from droing.
Furthermore, the upright post is provided with an anti-falling plate, and the anti-falling clamp hole is formed in the anti-falling plate.
The utility model discloses a theory of operation: under the normal state, the chain connecting block is the vertical state under the effect of chain tension and the gravity that promotes the material to with the spring compression, the bolt of preventing weighing down of opposite side then is the slope form, and can avoid just preventing weighing down the card hole on the stand, the mechanism operation is normal. When the chain breaks, the tension of the chain and the tension of the counterweight disappear, the elasticity of the spring is released, the chain connecting block rotates under the action of the elasticity, the bolt is inserted into the anti-falling clamping hole, and the material stops falling.
Compared with the prior art, the utility model the advantage be: the utility model discloses can effectively prevent falling of hoisting arm elevating system and material, prevent weighing down mechanism reasonable in design, ingenious, the facilitate promotion is used.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic structural view of the lift arm lifting mechanism of the present invention in a normal operation state.
Fig. 4 is a schematic structural view of the lift arm lifting mechanism in a normal fracture state of the present invention.
Fig. 5 is a schematic perspective view of the lift arm lifting mechanism of the present invention in a chain fracture state.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a novel anti-falling system of a chain type elevator comprises a base 1, an upright post 2, a driving motor 3, a chain 4 and a lifting arm lifting mechanism 5, wherein the lower end of the upright post 2 is fixed on the base 1, and the motor is installed at the top of the upright post 2; a driving chain wheel 6 is mounted on an output shaft of the driving motor 3, a driven chain wheel 7 is arranged at the bottom of the upright post 2, one end of the chain 4 is connected with the upper end of the lifting arm lifting mechanism 5, the other end of the chain is connected with the lower end of the lifting arm lifting mechanism 5 after sequentially bypassing the driving chain wheel 6 and the driven chain wheel 7, and a lifting arm 8 is fixed on the lifting arm lifting mechanism 5; the method is characterized in that: the lifting arm lifting mechanism 5 comprises a main body frame 501 and a chain connecting block 502, two side vertical plates 503 are arranged at the top of the main body frame 501, the middle part of the chain connecting block 502 is fixed between the two side vertical plates 503 through a rotating shaft 511, the upper end of the chain connecting block 502 is connected with one end of a chain 4, one side of the lower part of the chain connecting block 502 is provided with an anti-falling bolt 504, a row of anti-falling clamp holes 201 are formed in a stand column 2 on one side of the front end of the anti-falling bolt 504, a fixing plate 505 is arranged on the main body frame 501 on the other side of the chain connecting block 502, and a spring 506 is fixed between the fixing plate 505 and the chain connecting block 502.
Furthermore, one side of the anti-falling bolt 504 is provided with a limiting plate 507, two sides of the limiting plate 507 are fixed on vertical plates 503 at two sides, and the limiting plate 507 is used for limiting the upward-tilting upper limit position of the anti-falling bolt 504, so that the upper limit position of the anti-falling bolt 504 is basically horizontal.
Further, the joint of the chain connecting block 502 and the anti-falling pin 504 is provided with an inclined surface 508, and the inclined surface 508 is perpendicular to the anti-falling pin 504.
Further, the upper end of the chain connecting block 502 is connected with a threaded hole and is connected with an adjustable hanging ring 509, and the adjustable hanging ring 509 is provided with a screw end and is connected in the threaded hole.
Further, the fixing plate 505 and the chain connecting block 502 are both provided with a spring fixing end 510, and at least one spring fixing end 510 is one third to two thirds of the length of the spring 506, so that two ends of the spring 506 can be conveniently fixed, and the spring 506 can be prevented from falling off.
Furthermore, the upright post 2 is provided with a falling prevention plate 202, and the falling prevention clamping hole 201 is arranged on the falling prevention plate 202.
The utility model discloses a theory of operation: under the normal state, the chain connecting block 502 is in a vertical state under the action of tension of the chain 4 and gravity of lifting materials, the spring 506 is compressed, the anti-falling bolt 504 on the other side is in an inclined state and can just avoid an anti-falling clamping hole on the upright post 2, and the mechanism operates normally. When the chain 4 is broken, the tension of the chain 4 and the tension of a counterweight disappear, at the moment, the elastic force of the spring 506 is released, the chain connecting block 502 rotates under the action of the elastic force, at the moment, the bolt is inserted into the anti-falling clamping hole, and the material stops falling.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. A novel anti-falling system of a chain type elevator comprises a base, an upright post, a driving motor, a chain and a lifting arm lifting mechanism, wherein the lower end of the upright post is fixed on the base, and the motor is arranged at the top of the upright post; the output shaft of the driving motor is provided with a driving chain wheel, the bottom of the upright post is provided with a driven chain wheel, one end of the chain is connected with the upper end of the lifting arm lifting mechanism, the other end of the chain is connected with the lower end of the lifting arm lifting mechanism after sequentially bypassing the driving chain wheel and the driven chain wheel, and a lifting arm is fixed on the lifting arm lifting mechanism; the method is characterized in that: the lifting arm lifting mechanism comprises a main body frame and a chain connecting block, two side vertical plates are arranged at the top of the main body frame, the middle of the chain connecting block is fixed between the two side vertical plates through a rotating shaft, the upper end of the chain connecting block is connected with one end of a chain, one side of the lower part of the chain connecting block is provided with an anti-falling bolt, a row of anti-falling clamping holes are formed in a stand column on one side of the front end of the anti-falling bolt, a fixing plate is arranged on the main body frame on the other side of the chain connecting block, and a spring is fixed between the fixing plate and the chain connecting block.
2. The novel anti-falling system of the chain type elevator is characterized in that: one side of the anti-falling bolt is provided with a limiting plate, and two sides of the limiting plate are fixed on vertical plates at two sides.
3. The novel anti-falling system of the chain type elevator is characterized in that: the connecting part of the chain connecting block and the anti-falling bolt is an inclined plane which is perpendicular to the anti-falling bolt.
4. The novel anti-falling system of the chain type elevator is characterized in that: the upper end of the chain connecting block is connected with a threaded hole and is connected with an adjustable lifting ring, and the adjustable lifting ring is provided with a screw rod end and is connected in the threaded hole.
5. The novel anti-falling system of the chain type elevator is characterized in that: all be equipped with the spring stiff end on fixed plate and the chain connecting block, and at least one spring stiff end is one-third to two-thirds of spring length.
6. The novel anti-falling system of the chain type elevator is characterized in that: the upright post is provided with an anti-falling plate, and the anti-falling clamp hole is formed in the anti-falling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120764907.0U CN214494647U (en) | 2021-04-15 | 2021-04-15 | Novel anti-falling system of chain type elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120764907.0U CN214494647U (en) | 2021-04-15 | 2021-04-15 | Novel anti-falling system of chain type elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214494647U true CN214494647U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120764907.0U Active CN214494647U (en) | 2021-04-15 | 2021-04-15 | Novel anti-falling system of chain type elevator |
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|---|---|
| CN (1) | CN214494647U (en) |
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2021
- 2021-04-15 CN CN202120764907.0U patent/CN214494647U/en active Active
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