CN221397109U - Chain type elevator structure - Google Patents
Chain type elevator structure Download PDFInfo
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- CN221397109U CN221397109U CN202323127380.9U CN202323127380U CN221397109U CN 221397109 U CN221397109 U CN 221397109U CN 202323127380 U CN202323127380 U CN 202323127380U CN 221397109 U CN221397109 U CN 221397109U
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- 239000003638 chemical reducing agent Substances 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 16
- 230000000670 limiting effect Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
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- 230000001276 controlling effect Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model particularly relates to a chain type elevator structure which comprises an upright post, a lifting mechanism and a fork frame, wherein the fork frame vertically moves on the upright post and is driven by the lifting mechanism to lift; when the fork frame is required to descend, the driving mechanism rotates positively, the fork frame descends along with the clockwise movement of the chain, and simultaneously under the action of the gravity of the sliding block, the fork frame and the load on the sliding block and the fork frame, the chain is kept in a straightened state, so that the lifting function of the chain type lifting machine structure is realized. The installation and fastening requirements of the chain structure equipment are low, the equipment is convenient to process and install, and the applicability is strong; the chain has high strength, can meet the lifting demand of heavy load, can be conveniently spliced, lengthened or disassembled and shortened, is convenient for expanding equipment with various heights, and has great advantages, in particular to ultrahigh equipment, and is convenient to expand.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to a chain elevator structure.
Background
The lifting machine is mechanical equipment for transportation by changing potential energy, meets production requirements by lifting the hopper to an equipment designated position, and generally comprises a stand column, a lifting device and a fork frame, wherein the lifting device is arranged at the bottom of the stand column, the fork frame vertically moves in the stand column and is driven by the lifting device to lift, and the fork frame for forking the hopper is arranged in front of the fork frame.
The existing hoisting machine is more inconvenient to expand the height and low in applicability, while the steel wire rope type hoisting machine is convenient to expand, but the steel wire rope is easy to sink and disorder in the middle part of a winding drum in the lifting winding process, for example, the simple hoisting device disclosed in the patent of the utility model with the publication number of CN211619332U adopts the steel wire rope for hoisting, the steel wire rope is easy to sink and disorder in the lifting winding process, the service life of the steel wire rope is influenced, and the diameter requirement of the drum is large, the axial winding distance is long, and the strength is low. Therefore, there is a need for a hoist structure that has high strength, stable use, and high expansibility.
Disclosure of utility model
The utility model aims to overcome the defects and the shortcomings of the prior art and provide a chain type elevator structure with high strength, stable use and good high expansibility.
The technical scheme adopted by the utility model is as follows: a chain type elevator structure comprises an upright post, a lifting mechanism and a fork frame, wherein the fork frame vertically moves on the upright post and is driven by the lifting mechanism to lift,
The lifting mechanism comprises a chain wheel sliding block assembly and a driving assembly,
The chain wheel sliding block assembly comprises a sliding block, a chain, a driving chain wheel and a driven chain wheel group, wherein the chain sequentially penetrates through the driving chain wheel and the driven chain wheel, two ends of the chain are respectively connected with the sliding block to form a closed loop, the driving end of the driving assembly is connected with the center of the driving chain wheel through a shaft, the shaft penetrates through the sliding block and enables the driving chain wheel to rotate under the driving of the driving assembly, and the sliding block and a fork frame arranged on the sliding block realize lifting along with the transmission of the driven chain wheel group and the movement of the chain.
Preferably, the driven sprocket group is installed on the stand and comprises a first driven sprocket positioned at the upper end of the stand and a second driven sprocket positioned at the lower end of the stand, wherein the driving sprocket is positioned between the heights of the first driven sprocket and the second driven sprocket, and the first driven sprocket, the second driven sprocket and the driving sprocket are positioned on the same plane.
Preferably, the driven sprocket group further comprises a first transition sprocket close to the upper portion of the driving sprocket and a second transition sprocket close to the lower portion of the driving sprocket, and the first transition sprocket, the second transition sprocket and the driving wheel are located on the same plane.
Preferably, the upright post is provided with a vertically extending limit groove, and the limit groove has a limit effect on the two horizontal sides of the sliding block.
Preferably, the sliding block is an anti-falling sliding block.
Preferably, the sliding block comprises a swinging block, a shaft end connecting piece, a connecting shaft piece and a limiting inserted bar,
The shaft end connecting piece, the connecting shaft piece and the swinging block are sequentially connected from top to bottom and form running fit with the respective connecting pieces, the shaft end connecting piece is limited in the horizontal direction, the upper end of the shaft end connecting piece is connected with one end of the chain, the lower end of the swinging block extends towards the direction close to the guide rail, a clamping groove is formed in the position of the upright post close to the lower hem of the swinging block,
One side of the swing block, which is far away from the inner wall of the upright post, is provided with an abutting groove, an elastic element is fixed at the bottom of the abutting groove, one end of a limiting inserted link is fixed in the inner cavity of the sliding block through a rotating shaft, the other end of the limiting inserted link is matched with the abutting groove and provided with a first position where the elastic element is abutted in the abutting groove and a second position where the elastic element is separated from the abutting groove, and the swing block is positioned at a third position where the clamping groove is abutted when the end is positioned at the second position.
Preferably, the driving assembly comprises a transmission case and a speed reducer connected with the transmission case, and an output shaft hole of the speed reducer is connected with the center of the driving sprocket through a shaft.
Preferably, the speed reducer is a brake type speed reducer.
Preferably, the bottom of the upright post is connected with a rotary chassis.
Preferably, the fork frame is arranged on the sliding block through a lifting seat, and the lifting seat is connected with a curtain system.
The beneficial effects of the utility model are as follows: when the fork frame needs to be lifted, the driving mechanism reverses, and the fork frame moves anticlockwise along with the chain to lift as the driving force is larger than the gravity of the sliding block, the fork frame and the load on the sliding block and the fork frame; when the fork frame is required to descend, the driving mechanism rotates positively, the fork frame descends along with the clockwise movement of the chain, and simultaneously under the action of the gravity of the sliding block, the fork frame and the load on the sliding block and the fork frame, the chain is kept in a straightened state, so that the lifting function of the chain type lifting machine structure is realized. The installation and fastening requirements of the chain structure equipment are low, the equipment is convenient to process and install, and the applicability is strong; the chain has high strength, can meet the lifting demand of heavy load, can be conveniently spliced, lengthened or disassembled and shortened, is convenient for expanding equipment with various heights, and has great advantages, in particular to ultrahigh equipment, and is convenient to expand.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is a front cross-sectional view of an embodiment of the present utility model;
FIG. 2 is a side cross-sectional view of an embodiment of the present utility model;
FIG. 3 is a top cross-sectional view of an embodiment of the present utility model;
Fig. 4 is a block diagram of an anti-falling slider according to an embodiment of the present utility model.
In the figure, 1, an upright post; 2. a fork; 3. a lifting seat; 6. a curtain system; 7. rotating the chassis; 11. a clamping groove; 41. a slide block; 42. a chain; 43. a drive sprocket; 44. a first driven sprocket; 45. a second driven sprocket; 46. a first transition sprocket; 47. a second transition sprocket; 51. a transmission case; 52. a speed reducer; 411. a swinging block; 412. a shaft end connector; 413. a connecting shaft member; 414. a limit inserted link; 415. an elastic element; 4111. abutting the groove.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.
The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, in an embodiment of the present utility model, a chain hoist structure includes a column 1, a lifting mechanism and a fork 2, wherein the fork 2 moves vertically on the column 1 and is driven by the lifting mechanism to lift, the lifting mechanism includes a sprocket slide assembly and a driving assembly,
The chain wheel slide block assembly comprises a slide block 41, a chain 42, a driving chain wheel 43 and a driven chain wheel group, wherein the chain 42 sequentially penetrates through the driving chain wheel and the driven chain wheel, two ends of the chain 42 are respectively connected with the slide block 41 to form a closed loop, the driving end of the driving assembly is connected with the center of the driving chain wheel 43 through a shaft, the shaft penetrates through the slide block 41 and drives the driving chain wheel 43 to rotate under the driving of the driving assembly, and the slide block 41 and a fork frame 2 arranged on the slide block realize lifting along with the transmission of the driven chain wheel group and the movement of the chain 42.
In this embodiment, the chain is connected with the hangers that set up both ends about the slider, and driven sprocket group is provided with the jack bolt correspondingly, and the chain is in the state of loosening when initial installation, needs to tighten the chain, realizes the tight of adjustment of chain through the jack bolt of adjusting driven sprocket group.
When the fork frame needs to be lifted, the driving mechanism reverses, and the fork frame moves anticlockwise along with the chain to lift as the driving force is larger than the gravity of the sliding block, the fork frame and the load on the sliding block and the fork frame; when the fork frame is required to descend, the driving mechanism rotates positively, the fork frame descends along with the clockwise movement of the chain, and simultaneously under the action of the gravity of the sliding block, the fork frame and the load on the sliding block and the fork frame, the chain is kept in a straightened state, so that the lifting function of the chain type lifting machine structure is realized. The installation and fastening requirements of the chain structure equipment are low, the equipment is convenient to process and install, and the applicability is strong; the chain has high strength, can meet the lifting demand of heavy load, can be conveniently spliced, lengthened or disassembled and shortened, is convenient for expanding equipment with various heights, and has great advantages, in particular to ultrahigh equipment, and is convenient to expand.
The driven sprocket wheel set is arranged on the upright 1 and comprises a first driven sprocket 44 positioned at the upper end of the upright 1 and a second driven sprocket 45 positioned at the lower end of the upright 1, wherein the driving sprocket 43 is positioned between the heights of the first driven sprocket 44 and the second driven sprocket 45, and the first driven sprocket 44 and the second driven sprocket 45 are positioned on the same plane.
The driven sprocket set further comprises a first transition sprocket 46 near the upper part of the driving sprocket 43 and a second transition sprocket 47 near the lower part of the driving sprocket 43, and the first transition sprocket 46 and the second transition sprocket 47 are positioned on the same plane with the driving wheel. The first transition sprocket and the second transition sprocket are arranged at the upper position and the lower position of the driving wheel, so that the strength of the sprocket is improved, and meanwhile, the transmission of the chain has positioning and guiding functions, so that the device is more stable in structure.
The upright 1 is provided with a vertically extending limit groove, and the limit groove has a limit effect on the two horizontal sides of the sliding block 41. Through this setting, be favorable to improving the stationarity that the slider goes up and down, make this device's promotion effect more stable.
The slide 41 is an anti-falling slide. When the chain breaks, the anti-falling sliding block downloads, so that the equipment is protected and the use is safe.
The slide block 41 comprises a swing block 411, a shaft end connecting piece 412, a connecting shaft piece 413 and a limiting inserting rod 414,
The shaft end connecting piece 412, the connecting shaft piece 413 and the swinging block 411 are sequentially connected from top to bottom and form a running fit with the respective connecting pieces, the shaft end connecting piece 412 is limited in the horizontal direction, the upper end of the shaft end connecting piece is connected with one end of the chain 42, the lower end of the swinging block 411 extends towards the direction close to the guide rail, a clamping groove 11 is formed in the position of the upright column 1 close to the lower side of the swinging block 411, an abutting groove 4111 is formed in one side of the swinging block 411 away from the inner wall of the upright column 1, an elastic element 415 is fixed at the bottom of the abutting groove 4111, one end of the limiting inserting rod 414 is fixed in the inner cavity of the sliding block 41 through a rotating shaft, the other end of the limiting inserting rod is matched with the abutting groove 4111 and provided with a first position of the compression elastic element 415 in the abutting groove 4111 and a second position of the compression elastic element 415, and the end of the end is separated from the abutting groove 4111, and the swinging block 411 is located in a third position of the abutting groove 11 when the end is located in the second position.
In this embodiment, the axle head connecting piece is specifically two parallel connecting plates, connecting axle spare and axle head connecting piece, the pendulum piece is realized rotating through the pivot and is connected, elastic element specifically is reset spring, when the lifting machine normally operates, because the chain has ascending pulling force to the axle head connecting piece all the time, the axle head connecting piece makes the pendulum piece be close to keeping vertical through connecting axle spare, the draw-in groove on the guide rail is kept away from to the pendulum piece lower extreme, reset spring is insufficient to overcoming the pulling force of chain to the draw-in force of slider, the spacing inserted bar is located the butt inslot all the time, when taking place the chain fracture, the pulling force of chain to the axle head connecting piece disappears, the axle head connecting piece moves down, drive connecting axle spare and rotate, the pendulum piece lower extreme pops out to support the draw-in groove of card on the stand under reset spring's assistance, prevent it to continue to drop, thereby protection equipment. The swing block, the shaft end connecting piece, the connecting shaft piece and the limiting inserted link are symmetrically arranged in particular to improve the stability of the swing block against the clamping groove.
The driving assembly comprises a transmission case 51 and a speed reducer 52 connected with the transmission case 51, wherein an output shaft hole of the speed reducer 52 is connected with the center of the driving sprocket 43 through a shaft. The transmission case and the speed reducer are mounted and then are fastened with the sliding block through bolts, the shaft hole on the speed reducer is connected with the shaft of the driving sprocket, so that the assembly and the disassembly are very convenient, and the connection is stable; the fork lifting speed can be controlled by controlling the rotating speed of the speed reducer.
The speed reducer 52 is a brake type speed reducer. Through this setting, when equipment normally stops, the slider can keep motionless, and not the whereabouts has improved the security and the stability of this device. The brake type speed reducer is the prior art, and will not be described in detail here.
The bottom of the upright post 1 is connected with a rotary chassis 7. The bottom of the upright post is fastened with the chassis by bolts, and the upright post can rotate along the center seat of the chassis, so that the applicability of the device is further improved.
The fork frame 2 is arranged on the sliding block 41 through the lifting seat 3, and the lifting seat 3 is connected with the curtain system 6. The chain is isolated from the outside through the curtain system, so that the risk of oil leakage is avoided, and the chain is suitable for the environment with high cleanliness requirement.
The working principle of the embodiment is as follows: firstly, a driving chain wheel and a driven chain wheel group are installed at corresponding positions on a stand column, a sliding block is installed in the stand column, and the stand column is fixedly connected with a rotary chassis; the chain sequentially passes through the chain wheel assembly, two ends of the chain are respectively fixed on lugs at the upper end and the lower end of the sliding block, at the moment, the chain forms a closed loop, the chain is in a loose state during initial installation, the chain needs to be tightly regulated, and the regulation of the chain is realized by regulating a tightening bolt of the driven chain wheel group; after the chain is tightly regulated, a speed reducer, a fork frame, a curtain system, a control system, a drag chain, a top supporting system and the like are arranged, and the whole installation of the hoister is completed.
The speed reducer is driven to rotate to drive the chain wheel to rotate, the chain wheel moves along with the chain, so that ascending and descending movement of the fork frame and the sliding block is realized, and the control of the lifting speed can be realized by controlling the rotating speed of the speed reducer; the speed reducer adopts a brake-type speed reducer, and when the equipment is stopped, the sliding block can be kept motionless and cannot drop down; the slide block adopts the anti-falling slide block, but the dog on the slide block can pop out the card on the draw-in groove of stand when the chain fracture, protection equipment, safe in utilization.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. The utility model provides a chain hoist structure, includes stand (1), hoist mechanism and fork (2), fork (2) are along vertical removal in stand (1) and lift its characterized in that under hoist mechanism's drive:
the lifting mechanism comprises a chain wheel sliding block assembly and a driving assembly,
The chain wheel sliding block assembly comprises a sliding block (41), a chain (42), a driving chain wheel (43) and a driven chain wheel group, wherein the chain (42) sequentially penetrates through the driving chain wheel and the driven chain wheel, two ends of the chain are respectively connected with the sliding block (41) to form a closed loop, the driving end of the driving assembly is connected with the center of the driving chain wheel (43) through a shaft, the shaft penetrates through the sliding block (41) and drives the driving chain wheel (43) to rotate under the driving of the driving assembly, and the sliding block (41) and a fork frame (2) arranged on the sliding block realize lifting along with the transmission of the driven chain wheel group and the movement of the chain (42).
2. The chain hoist structure of claim 1, characterized in that: the driven sprocket wheel group is arranged on the upright post (1) and comprises a first driven sprocket wheel (44) positioned at the upper end of the upright post (1) and a second driven sprocket wheel (45) positioned at the lower end of the upright post (1), wherein the driving sprocket wheel (43) is positioned between the heights of the first driven sprocket wheel (44) and the second driven sprocket wheel (45), and the first driven sprocket wheel, the second driven sprocket wheel and the driving sprocket wheel are positioned on the same plane.
3. The chain hoist structure of claim 2, characterized in that: the driven sprocket set further comprises a first transition sprocket (46) close to the upper portion of the driving sprocket (43) and a second transition sprocket (47) close to the lower portion of the driving sprocket (43), and the first transition sprocket (46) and the second transition sprocket (47) are located on the same plane with the driving wheel.
4. The chain hoist structure of claim 1, characterized in that: the upright post (1) is provided with a limiting groove which extends vertically, and the limiting groove has a limiting effect on the two horizontal sides of the sliding block (41).
5. The chain hoist structure of claim 1, characterized in that: the sliding block (41) is an anti-falling sliding block.
6. The chain hoist structure of claim 5, characterized in that: the sliding block (41) comprises a swinging block (411), a shaft end connecting piece (412), a connecting shaft piece (413) and a limiting inserted link (414),
The shaft end connecting piece (412), the connecting shaft piece (413) and the swinging block (411) are sequentially connected from top to bottom and form running fit with the respective connecting pieces, the shaft end connecting piece (412) is limited in the horizontal direction, the upper end of the shaft end connecting piece is connected with one end of the chain (42), the lower end of the swinging block (411) extends towards the direction close to the guide rail, a clamping groove (11) is formed in the position of the upright post (1) close to the lower hem of the swinging block (411),
One side of the swing block (411) far away from the inner wall of the upright post (1) is provided with an abutting groove (4111), an elastic element (415) is fixed at the bottom of the abutting groove (4111), one end of a limiting inserted rod (414) is fixed in an inner cavity of the sliding block (41) through a rotating shaft, the other end of the limiting inserted rod is matched with the abutting groove (4111) and is provided with a first position where the elastic element (415) is abutted in the abutting groove (4111) and a second position where the elastic element is separated from the abutting groove (4111), and when the end is located at the second position, the swing block (411) is located at a third position where the clamping groove (11) is abutted.
7. The chain hoist structure of claim 1, characterized in that: the driving assembly comprises a transmission case (51) and a speed reducer (52) connected with the transmission case (51), wherein an output shaft hole of the speed reducer (52) is connected with the center of the driving sprocket (43) through a shaft.
8. The chain hoist structure of claim 7, characterized in that: the speed reducer (52) is a brake type speed reducer.
9. The chain hoist structure of claim 1, characterized in that: the bottom of the upright post (1) is connected with a rotary chassis (7).
10. The chain hoist structure of claim 1, characterized in that: the fork frame (2) is arranged on the sliding block (41) through the lifting seat (3), and the lifting seat (3) is connected with the curtain cloth system (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323127380.9U CN221397109U (en) | 2023-11-20 | 2023-11-20 | Chain type elevator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323127380.9U CN221397109U (en) | 2023-11-20 | 2023-11-20 | Chain type elevator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221397109U true CN221397109U (en) | 2024-07-23 |
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ID=91922762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323127380.9U Active CN221397109U (en) | 2023-11-20 | 2023-11-20 | Chain type elevator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221397109U (en) |
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2023
- 2023-11-20 CN CN202323127380.9U patent/CN221397109U/en active Active
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