CN213445714U - Car top wheel structure convenient for replacing shock pad - Google Patents
Car top wheel structure convenient for replacing shock pad Download PDFInfo
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- CN213445714U CN213445714U CN202022261436.XU CN202022261436U CN213445714U CN 213445714 U CN213445714 U CN 213445714U CN 202022261436 U CN202022261436 U CN 202022261436U CN 213445714 U CN213445714 U CN 213445714U
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- shaped side
- side plate
- top wheel
- upper beam
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Abstract
The utility model provides a sedan-chair top wheel structure convenient to change shock pad belongs to mechanical technical field. The car top wheel structure convenient for replacing the shock pad is characterized by comprising an upper beam; the four L-shaped side plates are symmetrically distributed under the upper beam in a group of two L-shaped side plates; the shock absorption pads are pressed between the upper beam and the L-shaped side plate and are sequentially arranged in the same group along the length direction of the L-shaped side plate; the car top wheel rotates and is arranged between the two L-shaped side plates in the same group; the adjusting screws penetrate between the upper beam and the L-shaped side plate and are symmetrically arranged on two sides of the axis of the car top wheel; and the adjusting nut is mounted on the adjusting screw in a threaded manner and is used for changing the distance between the upper beam and the L-shaped side plate. The utility model has the advantages of simple structure, practicality and convenience.
Description
Technical Field
The utility model belongs to the technical field of machinery, concretely relates to sedan-chair top wheel structure convenient to change shock pad.
Background
The elevator shock pad aims at reducing the vibration of the car top wheel, so that the reasonable design of the rigidity and the elastic coefficient of the shock pad is a key factor. The shock pad is mainly by rubber, or mode preparation such as rubber and spring combination, and after elevator complete machine operation certain life, the shock pad begins to appear rubber reasons such as ageing or other, leads to elevator car operation noise and vibration grow, must change the shock pad, carries out the change step as follows according to traditional method: the elevator car is electrically operated to a position close to the upper end station of the elevator, and the power supply is cut off. Preparing a long wooden block in the pit. Preparing a chain block, and gradually hoisting and moving the lift car upwards in a chain pulling mode; meanwhile, a person supports the prepared long wooden block below the counterweight device at a certain height from the ground of the pit in the pit; and then the steel wire rope close to the side of the cage side guide wheel is fixed well by a rope clamp to prevent falling off. The hand-operated calabash is loosened step by step, and the whole weight of counterweight presses on the long wooden fender, and wire rope appears the pine because to the state that the counterweight is supported and takes off, is in the lax state. Guarantee the construction safety of elevator at last, chain block can not loosen completely, keeps chain block one point stress state, and the car does not have heavy pulling state and chain block to the low tension ground state under, and the sedan-chair top wheel is in self gravity and keeps the natural state of droing, carries out the change of sedan-chair top wheel shock pad from this. The change of the shock pad can be completed only by the cooperation and operation of at least 3 operators, and the workload is at least 1 day, which takes labor and effort.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, provided one kind and can effectively reduced the vibration that the rope sheave produced when the elevator operation and be convenient for change the sedan-chair top wheel structure of shock pad.
The purpose of the utility model can be realized by the following technical proposal: a car top wheel structure convenient for replacing a shock pad is characterized by comprising
An upper beam;
the four L-shaped side plates are symmetrically distributed under the upper beam in a group of two L-shaped side plates;
the shock absorption pads are pressed between the upper beam and the L-shaped side plate and are sequentially arranged in the same group along the length direction of the L-shaped side plate;
the car top wheel rotates and is arranged between the two L-shaped side plates in the same group;
the adjusting screws penetrate between the upper beam and the L-shaped side plate and are symmetrically arranged on two sides of the axis of the car top wheel;
and the adjusting nut is mounted on the adjusting screw in a threaded manner and is used for changing the distance between the upper beam and the L-shaped side plate.
In the above-mentioned sedan-chair top wheel structure convenient to change shock pad, all set up the pole hole of crossing that is in on same axial lead on entablature and L type curb plate, adjusting screw's pole portion runs through the pole hole and the diameter in pole hole is greater than adjusting screw pole portion's diameter.
In foretell sedan-chair top wheel structure convenient to change the shock pad, adjusting screw's head is placed and is set up the top surface at L type curb plate downwards.
In foretell sedan-chair top wheel structure convenient to change shock pad, the length of L type curb plate is greater than the diameter of sedan-chair top wheel, is equipped with pivot and pivot installation in the middle part of L type curb plate length direction on the sedan-chair top wheel.
In foretell sedan-chair top wheel structure convenient to change shock pad, the lower half of sedan-chair top wheel extends to the below of L type curb plate, still installs the protection casing on L type curb plate, and this protection casing surrounds the lower half of sedan-chair top wheel.
In foretell sedan-chair top wheel structure convenient to change the shock pad, wear to be equipped with two piece at least rope fenders between the both sides board of same group, each rope fenders is pressed close to the periphery of sedan-chair top wheel and is arranged.
In the above-mentioned sedan-chair top wheel structure convenient to change the shock pad, be equipped with a supporting beam between upper beam and shock pad, be equipped with two at least adjusting nut and adjusting nut are in the upper and lower both sides of a supporting beam respectively on same adjusting screw.
Compared with the prior art, the utility model has the advantages of it is following: the distance between the upper beam and the L-shaped side plate can be increased by adjusting the adjusting nut arranged on the adjusting screw rod penetrating between the upper beam and the L-shaped side plate, so that the shock pad between the upper beam and the L-shaped side plate can be simply and easily replaced, the running performance of the elevator can be ensured, and the characteristic of time and labor saving in replacing the elevator car top wheel according to the scheme is ensured; meanwhile, the head of the adjusting screw rod needs to be placed downwards and is arranged on the top surface of the L-shaped side plate, the adjusting nut of the adjusting screw rod is fixed on the upper surface of the L-shaped side plate, and therefore even in the long-term running process of the elevator, the adjusting nut is loosened and then automatically falls off due to periodic vibration, a proper and small gap is reserved for the diameter of the adjusting screw rod by the rod hole which is formed in the position where the rod part of the adjusting screw rod penetrates through the upper beam and the L-shaped side plate, so that the plate thickness of the upper beam and the small gap between the rod hole and the adjusting screw rod can prevent the adjusting screw rod from generating an overlarge inclination angle, and even after the adjusting nut falls off, the adjusting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the enlarged structure of the middle part of the present invention.
In the figure, 1, an upper beam; 2. an L-shaped side plate; 3. a shock pad; 4. a car top wheel; 5. adjusting the screw rod; 6. adjusting the nut; 7. a protective cover; 8. a rope blocking rod; 9. and supporting the beam.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 2, the structure of the car top wheel convenient for replacing the shock pad comprises an upper beam 1; the four L-shaped side plates 2 are symmetrically distributed under the upper beam 1 in a group of two L-shaped side plates; the shock absorption pads 3 are pressed between the upper beam 1 and the L-shaped side plate 2, and the shock absorption pads 3 in the same group are sequentially arranged along the length direction of the L-shaped side plate 2; the car top wheel 4 rotates and is arranged between the two L-shaped side plates 2 in the same group; the adjusting screws 5 penetrate between the upper beam 1 and the L-shaped side plate 2, and the same group of adjusting screws 5 are symmetrically arranged on two sides of the axis of the car top wheel 4; and the adjusting nut 6 is mounted on the adjusting screw rod 5 in a threaded mode and used for changing the distance between the upper beam 1 and the L-shaped side plate 2.
The upper beam 1 and the L-shaped side plate 2 are provided with rod passing holes on the same axial lead, the rod part of the adjusting screw rod 5 penetrates through the rod holes, the diameter of the rod passing holes is larger than that of the rod part of the adjusting screw rod 5, and the head part of the adjusting screw rod 5 is placed downwards and is arranged on the top surface of the L-shaped side plate 2.
The length of the L-shaped side plate 2 is larger than the diameter of the car top wheel 4, and the rotating shaft is arranged on the car top wheel 4 and is arranged in the middle of the L-shaped side plate 2 in the length direction.
The lower half part of the car top wheel 4 extends to the lower part of the L-shaped side plate 2, a protective cover 7 is further mounted on the L-shaped side plate 2, and the protective cover 7 surrounds the lower half part of the car top wheel 4.
At least two rope blocking rods 8 penetrate between the two side plates of the same group, and the rope blocking rods 8 are arranged close to the periphery of the car top wheel 4.
A supporting beam 9 is arranged between the upper beam 1 and the shock pad 3, at least two adjusting nuts 6 are arranged on the same adjusting screw 5, and the adjusting nuts 6 are respectively positioned on the upper side and the lower side of the supporting beam 9.
The distance between the upper beam 1 and the L-shaped side plate 2 can be increased by adjusting the adjusting nut 6 arranged on the adjusting screw rod 5 penetrating between the upper beam 1 and the L-shaped side plate 2, so that the shock pad 3 between the upper beam 1 and the L-shaped side plate can be simply and easily replaced, the running performance of the elevator can be ensured, and the characteristic of time and labor saving during replacement of the elevator car top wheel 4 according to the scheme is ensured; meanwhile, the head of the adjusting screw 5 needs to be placed downwards and is arranged on the top surface of the L-shaped side plate 2, the adjusting nut 6 of the adjusting screw is fixed on the upper surface of the adjusting screw, and therefore, even in the long-term running process of the elevator, under the condition that the adjusting nut 6 is loosened and then automatically falls off due to periodic vibration, a rod part of the adjusting screw 5 penetrates through the upper beam 1 and the L-shaped side plate 2, and a rod hole is formed in the position, corresponding to the diameter of the adjusting screw 5, of the rod part, of the adjusting screw 5, so that the plate thickness of the upper beam 1, the small gap between the rod hole and the adjusting screw 5 can prevent the adjusting screw 5 from generating an overlarge inclination angle, and even after the adjusting nut 6 falls off, the adjusting.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. A car top wheel structure convenient for replacing a shock pad is characterized by comprising
An upper beam;
the four L-shaped side plates are symmetrically distributed under the upper beam in a group of two L-shaped side plates;
the shock absorption pads are pressed between the upper beam and the L-shaped side plate and are sequentially arranged in the same group along the length direction of the L-shaped side plate;
the car top wheel rotates and is arranged between the two L-shaped side plates in the same group;
the adjusting screws penetrate between the upper beam and the L-shaped side plate and are symmetrically arranged on two sides of the axis of the car top wheel;
and the adjusting nut is mounted on the adjusting screw in a threaded manner and is used for changing the distance between the upper beam and the L-shaped side plate.
2. The car top wheel structure convenient for replacing the shock pad of claim 1, wherein the upper beam and the L-shaped side plate are both provided with a rod passing hole on the same axial lead, the rod part of the adjusting screw penetrates through the rod hole, and the diameter of the rod passing hole is larger than that of the rod part of the adjusting screw.
3. The structure of a car top wheel with easy replacement of a shock pad as claimed in claim 2, wherein the head of the adjusting screw is placed downward and is disposed on the top surface of the L-shaped side plate.
4. The car top wheel structure convenient for replacing the shock pad of claim 3, wherein the length of the L-shaped side plate is larger than the diameter of the car top wheel, the car top wheel is provided with a rotating shaft, and the rotating shaft is arranged in the middle of the L-shaped side plate in the length direction.
5. The structure of a ceiling wheel with easy replacement of shock absorbing pads of claim 4, wherein the lower half of the ceiling wheel extends below the L-shaped side plate, and a shield is further installed on the L-shaped side plate and surrounds the lower half of the ceiling wheel.
6. The structure of a ceiling wheel convenient for replacing a shock-absorbing pad of claim 5, wherein at least two rope-blocking rods are inserted between the two side plates of the same group, and each rope-blocking rod is arranged close to the periphery of the ceiling wheel.
7. The car top wheel structure convenient for replacing the shock pad of claim 6, wherein a support beam is arranged between the upper beam and the shock pad, and at least two adjusting nuts are arranged on the same adjusting screw and are respectively arranged at the upper side and the lower side of the support beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022261436.XU CN213445714U (en) | 2020-10-12 | 2020-10-12 | Car top wheel structure convenient for replacing shock pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022261436.XU CN213445714U (en) | 2020-10-12 | 2020-10-12 | Car top wheel structure convenient for replacing shock pad |
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| Publication Number | Publication Date |
|---|---|
| CN213445714U true CN213445714U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022261436.XU Active CN213445714U (en) | 2020-10-12 | 2020-10-12 | Car top wheel structure convenient for replacing shock pad |
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| CN (1) | CN213445714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014133A (en) * | 2021-11-26 | 2022-02-08 | 通用电梯股份有限公司 | Car roof structure |
-
2020
- 2020-10-12 CN CN202022261436.XU patent/CN213445714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014133A (en) * | 2021-11-26 | 2022-02-08 | 通用电梯股份有限公司 | Car roof structure |
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