CN117342370A - Elevator compensation chain suspension device - Google Patents
Elevator compensation chain suspension device Download PDFInfo
- Publication number
- CN117342370A CN117342370A CN202311504241.5A CN202311504241A CN117342370A CN 117342370 A CN117342370 A CN 117342370A CN 202311504241 A CN202311504241 A CN 202311504241A CN 117342370 A CN117342370 A CN 117342370A
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- eccentric motion
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- eccentric
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- 239000000725 suspension Substances 0.000 title claims abstract description 28
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000872 buffer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/068—Cable weight compensating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to the technical field of elevators, and discloses an elevator compensation chain suspension device which comprises a C-shaped base fixed at the bottom of a lift car and a counterweight, and a suspension part and a compensation part which are inserted between the C-shaped bases; the suspension component comprises a shell, a rotating handle and a large gear which are coaxially connected, wherein the two sides of the large gear are respectively provided with an eccentric motion component I and an eccentric motion component II which can move in a matched manner with the large gear, and the eccentric motion component I and the eccentric motion component II can be inserted into a C-shaped base; the compensation component comprises a bearing fixed at the bottom of the shell and a connecting rod arranged in the bearing, and the connecting rod is fixedly connected with a U-shaped fixing ring for fixing a compensation chain; the elevator compensation chain can solve the problem that the existing elevator compensation chain is easy to scrape with other elevator components during working.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to an elevator compensation chain suspension device.
Background
Traction type elevators are the most commonly used type of elevators in vertical transportation means, comprising a car for carrying people and a wire rope and counterweight for dragging the car, most of the weight of the wire rope being on the counterweight side when the elevator is running to the top floor; when the elevator operates and stops at the bottom layer, most of the weight of the steel wire rope is arranged at the side of the elevator car, and the weight position of the steel wire rope is continuously changed along with the up-and-down operation of the elevator, so that the weight balance of the traction type elevator can be influenced.
The elevator compensation chain is an important component of an elevator balance compensation system, which functions to compensate for traction imbalance caused by weight movement of the wire rope. When the steel wire rope moves to the counterweight side, the compensation chain can follow the car to move for compensation, and when the steel wire rope moves to the car side, the compensation chain can follow the counterweight to move to the counterweight side, so that the elevator can run more stably. However, the following technical problems still exist in the prior art:
1. the existing compensation chain is suspended at the bottom of a lift car and a counterweight and is fixed by a U-shaped fixing ring and bolts, and the compensation chain can swing greatly in the running process of the lift, so that the compensation chain, counterweight guard plates, buffers and other lift components are scraped to generate abnormal sound; over time, normal operation of the device may be affected.
2. In order to ensure the operation safety of the elevator, after a period of use, a worker is required to check the fixed state of the compensation chain, and as the compensation chain in the prior art is fixed at the bottom, the worker is inconvenient to check parts such as tiny bolts.
Disclosure of Invention
The invention aims to provide an elevator compensation chain suspension device so as to solve the problem that the existing elevator compensation chain is easy to scrape with other elevator components during working.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an elevator compensation chain suspension device comprises a C-shaped base fixed at the bottom of a car and a counterweight, and a suspension component and a compensation component which are inserted between the C-shaped bases; the suspension component comprises a shell, a rotating handle and a large gear which are coaxially connected, wherein the two sides of the large gear are respectively provided with an eccentric motion component I and an eccentric motion component II which can move in a matched manner with the large gear, and the eccentric motion component I and the eccentric motion component II can be inserted into a C-shaped base; the compensation component comprises a bearing fixed at the bottom of the shell and a connecting rod arranged in the bearing, and the connecting rod is fixedly connected with a U-shaped fixing ring for fixing the compensation chain.
The principle and the advantages of the scheme are as follows:
1. the elevator can swing by a wide margin in the operation process, adopts the structure of the connecting rod with the bearing matched with free rotary motion, and the U-shaped fixing ring used for fixing the compensating chain is fixed below the connecting rod, so that the stress generated during the swing can be eliminated, the swing amplitude of the compensating chain is further reduced to the maximum extent, the phenomenon that the normal operation of equipment is influenced due to scraping between the compensating lotus and elevator components such as a counterweight guard plate, a buffer and the like in the swing process is avoided, the operation safety of elevator equipment is guaranteed, and the service life of the elevator equipment is prolonged.
2. After the compensation component works for a period of time, some components in the compensation component need to be checked or replaced, a C-shaped base fixed at the bottom of the lift car and the counterweight and a suspension component inserted between the C-shaped bases are arranged, when the lift needs to be overhauled or maintained, a worker only needs to take the suspension component off the C-shaped base to operate on the flat ground, and the inconvenience that the worker needs to squat at the bottom of the lift car or the counterweight for a long time to look up is eliminated; specifically, the staff is through rotating the twist grip outside the shell in order to drive the gear wheel, and then drives eccentric motion subassembly one and eccentric motion subassembly two and break away from between the C shape base, transversely put the operation step of examining and repairing outside the elevator room again, be favorable to the convenient expansion of work.
Preferably, as an improvement, the compensation component further comprises a bearing seat for fixing a bearing, the bearing seat is fixed at the bottom of the shell through a bolt, the lower end of the large gear is provided with a fixedly connected eccentric motion assembly III and a Y-shaped baffle, and the bottom of the Y-shaped baffle can cover the bolt.
The beneficial effects are that: the bolt for the fixed bearing seat is easy to loosen after the elevator equipment runs for a long time and has an important influence on the safety of elevator operation, so that the bottom of the Y-shaped baffle can cover the bolt when the elevator equipment runs, the bolt is mainly limited to effectively prevent loosening, and when the elevator equipment is required to be overhauled, the handle drives the large gear to drive the first eccentric motion component and the second eccentric motion component to separate from the C-shaped base, and simultaneously, the third eccentric motion component which is also matched with the large gear to move and is recovered is arranged to drive the Y-shaped baffle to recover the position where the Y-shaped baffle is separated from the cover bolt.
Preferably, as an improvement, the eccentric motion assembly I and the eccentric motion assembly II respectively comprise an eccentric gear, a moving block used for being inserted on the C-shaped base, an eccentric shaft fixed on the moving block and a sliding rail used for guiding the moving block, and the moving block is in sliding connection with the sliding rail.
The beneficial effects are that: the eccentric gear generally comprises an eccentric shaft at a fixed position and an eccentric wheel which performs rotary motion, the setting position of the eccentric shaft can principle the midpoint of the eccentric wheel, when the large gear drives the eccentric wheel to rotate by taking the eccentric shaft as the center, the linear reciprocating motion of the eccentric shaft and a moving block fixedly connected with the eccentric shaft can be caused, and the linear reciprocating motion is characterized by having a sliding rail as a guide, so that the moving block can be easily inserted or separated from a C-shaped base.
Preferably, as an improvement, the compensation component further comprises a connecting plate, two ends of the connecting plate are respectively fixed with two ends of the U-shaped fixing ring, and the middle part of the connecting plate is fixed with the connecting rod.
The beneficial effects are that: the connecting plate is used for fixedly connecting the two ends of the U-shaped plate and the bottom of the connecting rod, and has simple and reliable structure and easy disassembly and assembly.
Preferably, as an improvement, the whole shell is T-shaped, and reinforcing ribs are arranged on the shell.
The beneficial effects are that: the T-shaped shell can be well adapted to the positions of the first eccentric motion component, the second eccentric motion component and the third eccentric motion component, so that redundant accommodating space of the shell is reduced, and the material manufacturing cost of the control device is facilitated; the strength and the rigidity of the shell are improved due to the arrangement of the reinforcing ribs, and the torsion deformation of the connecting part of the shell is not easy to be caused under the long-time stress influence of the compensation chain.
Preferably, as an improvement, the bearing is a radial thrust ball bearing.
The beneficial effects are that: the radial thrust ball bearing has the advantages of simple structure, convenient use, small bearing friction loss, high reliability and capability of bearing part of unidirectional axial load when bearing radial load caused by the swing of the compensation chain.
Drawings
Fig. 1 is a schematic view of a traction type elevator according to the prior art;
fig. 2 is a front view of an embodiment of an elevator compensation chain suspension device of the present invention;
fig. 3 is a schematic view showing an internal structure of a first embodiment of an elevator compensation chain suspension device according to the present invention;
FIG. 4 is an enlarged schematic view of FIG. 3;
FIG. 5 is a schematic view showing an internal structure of the eccentric motion assembly of FIG. 3 in an initial state;
FIG. 6 is a schematic view of the internal structure of the eccentric motion assembly of FIG. 3 in a disengaged state;
fig. 7 is a schematic diagram of an internal structure of a second embodiment of an elevator compensation chain suspension device of the present invention.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include:
traction type elevator 1, car 11, counterweight 12, U-shaped fixing ring 13, compensation chain 14, guide wheel 15, traction sheave 16, wire rope 17, C-shaped base 2, side groove 21, suspension member 3, housing 31, rotating handle 32, large gear 33, rotating shaft 331, reinforcing rib 34, eccentric motion assembly one 35, eccentric motion assembly two 36, eccentric gear 351, moving block 352, slide rail 353, sliding groove 354, fixed block 355, return spring 356, eccentric motion assembly three 37, Y-shaped baffle 38, compensation member 4, bearing housing 41, bolt 42, bearing 43, connecting rod 44, connecting plate 45.
As shown in fig. 1, a traction type elevator 1 in the prior art comprises a car 11 for carrying people or goods, a counterweight 12 for dragging the car 11, an elevator dragging device installed above and two U-shaped fixing rings 13 installed below the car 11 and the counterweight 12, a compensation chain 14 hanging on the two U-shaped fixing rings 13, and a guide wheel 15, a dragging wheel 16 and a steel wire rope 17. The technology discloses an elevator compensation chain suspension device, which is convenient for installing and overhauling a compensation chain 14, and specifically comprises the following steps:
example 1
Referring to fig. 1 to 4, there is shown an elevator compensation chain suspension device comprising a C-shaped base 2 fixed to the bottom of a car 11 and a counterweight 12 by a penetrating bolt 42, and a suspension member 3 and a compensation member 4 interposed between the C-shaped bases 2; in this embodiment, taking the counterweight 12 as an example, the notch of the bottom C-shaped base 2 faces downward, the hanging component 3 is located in the notch at the bottom of the C-shaped base 2, and side slots 21 for fixing the hanging component 3 are provided on both sides of the notch.
The suspension part 3 comprises a T-shaped shell 31, a rotating handle 32 and a large gear 33 which are coaxially connected, wherein a reinforcing rib 34 is welded at the joint between a vertical shell and a horizontal shell at the bottom of the shell 31, the rotating handle 32 is arranged outside the shell 31 to facilitate the use of workers, the large gear 33 is arranged inside the shell 31 to avoid the external interference, a first eccentric motion component 35 and a second eccentric motion component 36 which can move in a matched manner with the large gear 33 are respectively arranged at two sides of the large gear 33, the first eccentric motion component 35 and the second eccentric motion component 36 are arranged in staggered layers and can be respectively inserted into two side grooves 21 of the C-shaped base 2; specifically, the first eccentric motion assembly 35 and the second eccentric motion assembly 36 each include an eccentric gear 351 meshed with the large gear 33, a moving block 352 fixed with an eccentric shaft of the eccentric gear 351, and a slide rail 353 for guiding the moving block 352, wherein the slide rails 353 used for the first eccentric motion assembly 35 and the second eccentric motion assembly 36 are identical; taking the eccentric motion assembly one 35 as an example, as shown in fig. 5, a sliding groove 354 is formed at one end of a moving block 352 close to a large gear 33, a rotating shaft 331 installed on the large gear 33 needs to pass through the sliding groove 354 and then be connected to the large gear 33, the axle center of the rotating shaft 331 and the axle center of an eccentric shaft on the eccentric gear 351 are kept on the same horizontal line, a fixed block 355 which also passes through the sliding groove 354 is fixed on a sliding rail 353 through a bolt 42, a reset spring 356 is arranged between the fixed block 355 and the moving block 352, the moving block 352 is in sliding connection with the sliding rail 353, the outer end of the moving block 352 can be inserted into a side groove 21 of a C-shaped base 2, at this time, the eccentric motion assembly one 35 is in an initial state, the eccentric shaft of the eccentric gear 351 is positioned at the leftmost side of the eccentric gear 351, and the reset spring 356 is in a normal state; when the hanging component 3 needs to be removed from the side groove 21 of the C-shaped base 2, as shown in fig. 6, the handle 32 is turned to drive the large gear 33, the large gear 33 drives the eccentric gear 351 to rotate clockwise around the eccentric shaft fixed on the moving block 352, so as to apply a force to the moving block 352 to slide rightwards, so that the moving block 352 finally breaks away from the side groove 21 of the C-shaped base 2, at this time, the first eccentric motion assembly 35 is in a breaking state, the eccentric shaft embodied in the eccentric gear 351 is positioned on the rightmost side of the eccentric gear 351, and the return spring 356 is in a stretched state.
The compensation component 4 comprises a bearing seat 41 fixed at the bottom of the shell 31 through bolts 42, a bearing 43 arranged in the bearing seat 41 in a rolling way, and a connecting rod 44 arranged in the bearing 43, wherein the bearing 43 adopts a centripetal thrust ball bearing 43 in the embodiment, and the connecting rod 44 is fixedly connected with a U-shaped fixing ring 13 for fixing the compensation chain 14; specifically, the compensation component 4 further includes a connection plate 45, two ends of the connection plate 45 are respectively in threaded connection with two ends of the U-shaped fixing ring 13 and are reinforced by nuts, and the middle part of the connection plate 45 is in threaded connection with the connection rod 44 and is reinforced by the nuts.
Example two
As shown in fig. 7, the present embodiment differs from the first embodiment in that an eccentric movement assembly three 37 and a Y-shaped shutter 38 are fixedly connected to the lower end of the large gear 33, and the bottom plate of the Y-shaped shutter 38 can cover the bolts 42.
Specifically, the eccentric motion assembly III 37 has the same structure as the eccentric motion assembly I35 and the eccentric motion assembly II 36, and comprises an eccentric gear, a moving block, a sliding rail, a reset spring and a fixed block, wherein the bottom of the moving block in the eccentric motion assembly III 37 is welded with the top of the Y-shaped baffle 38, so that the bottom of the Y-shaped baffle 38 can cover the top of the bolt 42 when the elevator equipment operates, the bolt 42 is mainly limited, the loosening of the bolt 42 is effectively prevented, when the elevator equipment is required to be overhauled, the handle drives the large gear 33 to drive the eccentric motion assembly I35 and the eccentric motion assembly II 36 to separate from a side groove of the C-shaped base 2, and meanwhile, the eccentric motion assembly III 37 is matched with the large gear 33 to move to a direction close to the large gear 33 for recovery, and further drives the Y-shaped baffle 38 to recover a position separated from the cover bolt 42, so that the overhaul of workers is convenient; it should be noted that, the return spring on the eccentric motion assembly three 37 is a tension spring, and the Y-shaped baffle is made of a plastic material with lighter texture, so as to ensure that the eccentric gear on the eccentric motion assembly three 37 is always meshed with the large gear 33.
The foregoing is merely exemplary of the present invention, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present invention, and these should also be regarded as the protection scope of the present invention, which does not affect the effect of the implementation of the present invention and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. An elevator compensation chain suspension device, characterized in that: comprises a C-shaped base fixed at the bottom of the lift car and the counterweight, and a suspension component and a compensation component which are inserted between the C-shaped bases;
the suspension component comprises a shell, a rotating handle and a large gear which are coaxially connected, wherein the two sides of the large gear are respectively provided with an eccentric motion component I and an eccentric motion component II which can move in a matched manner with the large gear, and the eccentric motion component I and the eccentric motion component II can be inserted into a C-shaped base;
the compensation component comprises a bearing fixed at the bottom of the shell and a connecting rod arranged in the bearing, and the connecting rod is fixedly connected with a U-shaped fixing ring for fixing the compensation chain.
2. An elevator compensation chain suspension device according to claim 1, characterized in that: the compensation component further comprises a bearing seat for fixing a bearing, the bearing seat is fixed at the bottom of the shell through a bolt, the lower end of the large gear is provided with a fixedly connected eccentric motion assembly III and a Y-shaped baffle, and the bottom plate of the Y-shaped baffle can cover the bolt.
3. An elevator compensation chain suspension device according to claim 1, characterized in that: the eccentric motion assembly I and the eccentric motion assembly II respectively comprise an eccentric gear, a moving block used for being inserted on the C-shaped base, an eccentric shaft fixed on the moving block and a sliding rail used for guiding the moving block, and the moving block is in sliding connection with the sliding rail.
4. An elevator compensation chain suspension device according to claim 2 or 3, characterized in that: the compensation component further comprises a connecting plate, two ends of the connecting plate are respectively fixed with two ends of the U-shaped fixing ring, and the middle of the connecting plate is fixed with the connecting rod.
5. An elevator compensation chain suspension device according to claim 4, characterized in that: the shell is T-shaped integrally, and reinforcing ribs are arranged on the shell.
6. An elevator compensation chain suspension device according to claim 5, characterized in that: the bearing is a centripetal thrust ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311504241.5A CN117342370A (en) | 2023-11-09 | 2023-11-09 | Elevator compensation chain suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311504241.5A CN117342370A (en) | 2023-11-09 | 2023-11-09 | Elevator compensation chain suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117342370A true CN117342370A (en) | 2024-01-05 |
Family
ID=89355884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311504241.5A Pending CN117342370A (en) | 2023-11-09 | 2023-11-09 | Elevator compensation chain suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117342370A (en) |
-
2023
- 2023-11-09 CN CN202311504241.5A patent/CN117342370A/en active Pending
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