CN210884805U - Self-adaptive wheel type tensioning guide device - Google Patents
Self-adaptive wheel type tensioning guide device Download PDFInfo
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- CN210884805U CN210884805U CN201921749942.4U CN201921749942U CN210884805U CN 210884805 U CN210884805 U CN 210884805U CN 201921749942 U CN201921749942 U CN 201921749942U CN 210884805 U CN210884805 U CN 210884805U
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Abstract
The utility model provides a wheeled tensioning guider of self-adaptation, including support frame, spacing wheel and elastic component. The limiting wheel is rotationally arranged on the supporting frame, the limiting wheel is circumferentially provided with a limiting groove for embedding and winding the elevator compensation chain, two opposite free ends of the supporting frame are respectively connected to the shaft bottom or the shaft wall of the elevator shaft through a group of elastic parts, or one free end of the supporting frame is connected with the shaft bottom or the shaft wall of the elevator shaft through an elastic element, the other free end is hinged on the shaft bottom or the shaft wall of the elevator shaft, in the running process of the elevator, the elastic piece buffers the traction acting force of the elevator compensation chain on the limiting wheel, the limiting wheel can generate displacement in a plurality of directions such as up, down, left and right directions to adjust and buffer the acting force, so that the whole stress of the limiting wheel is uniform, the service life of the limiting wheel is prolonged, and the swing of the elevator compensation chain is controlled in a certain area through the elastic restoring force of the elastic piece, so that the elevator compensation chain is prevented from colliding and rubbing the well wall when swinging slightly.
Description
Technical Field
The utility model belongs to the technical field of the elevator, concretely relates to wheeled tensioning guider of self-adaptation.
Background
The elevator is an indispensable tool in life, the elevator compensation chain is used for compensating the weight of a steel wire rope, so that the elevator can run stably, in the traditional configuration, four wheels or three wheels are generally adopted to axially connect and enclose a guide device of a limiting hole, the guide device is arranged on a well wall of an elevator shaft corresponding to the elevator compensation chains on two sides, the elevator compensation chain correspondingly penetrates through the limiting hole formed by the guide device, and the guide device is arranged at a position which is at least one meter higher than the bent bottom of the elevator compensation chain so as to control the elevator compensation chain to shake in the elevator running process, but part of the elevator compensation chain is suspended below the guide device of the structure, and in the elevator running process, the part of the elevator compensation chain still can swing to collide with the well wall and the guide device, so that the guide device is damaged, and the collision and the abrasion with the well wall cause the damage of the elevator compensation chain.
Chinese patent document CN205668852U discloses an elevator compensation chain tensioning and guiding device, wherein a nylon wheel is arranged at the bottom of the elevator compensation chain, the elevator compensation chain is controlled in a wheel groove of the nylon wheel in a winding manner, the nylon wheel is fixed at the bottom of a well through a spring tube which can stretch up and down, and the elevator compensation chain is always in a tensioning state through the elastic allowance above and below the spring, so that the elevator compensation chain is prevented from shaking to collide with a friction well wall in the elevator running process.
However, the car and the counterweight are arranged oppositely, in the running process of the elevator, when the car moves upwards and the counterweight moves downwards, the center of the bottom bending of the elevator compensation chain can deviate towards one side of the counterweight, and when the car moves downwards and the counterweight moves upwards, the center of the bottom bending of the elevator compensation chain can deviate towards one side of the car.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that current elevator compensation chain tensioning guider atress is inhomogeneous, and life is low.
Therefore, the utility model provides a wheeled tensioning guider of self-adaptation, include
A support frame;
the limiting wheel is provided with a limiting groove which is arranged in the circumferential direction; the limiting wheel is axially horizontally arranged and can be rotatably arranged on the supporting frame; the limiting groove is suitable for embedding an elevator compensation chain; the limiting wheel is suitable for being arranged in a suspended mode under the traction acting force of the elevator compensation chain;
two opposite ends of any group of the supporting frame are free ends;
at least two groups of elastic pieces which are fixedly connected with the free ends corresponding to the free ends in any group in a one-to-one correspondence manner; the other end of the elastic element is fixedly connected to the bottom of the elevator shaft or the wall of the elevator shaft at the same side of the free end corresponding to the elastic element; or
One end of the elastic piece is fixedly connected with one free end of the limiting wheel in the radial direction; the other end of the shaft is fixedly connected to the shaft bottom or the shaft wall of the elevator shaft at the same side with the free end; the other free end positioned in the radial direction of the limiting wheel is hinged to the bottom of the elevator shaft or the wall of the elevator shaft.
Preferably, in the adaptive wheel-type tensioning guide device, two groups of elastic members are arranged;
the two groups of elastic pieces are respectively connected with two free ends of the supporting frame positioned on the radial direction of the limiting wheel; the other ends of the two groups of elastic pieces are fixedly connected with the bottom of the elevator shaft at the same side of the corresponding free ends.
Preferably, in the adaptive wheel tensioning guide device, any one group of the elastic members is arranged along the vertical direction.
Preferably, in the adaptive wheel tensioning guide device, the support frame is horizontally arranged.
Preferably, in the adaptive wheel type tensioning and guiding device, a groove wall of the limiting groove is encapsulated.
Preferably, in the adaptive wheel-type tensioning guide device, the cross section of the limiting groove is arc-shaped or V-shaped as a whole.
Preferably, in the adaptive wheel-type tensioning guide device, a plurality of elastic protrusions are distributed on a groove wall of the limiting groove.
Preferably, in the adaptive wheel type tensioning guide device, the limiting wheel is made of polyurethane, rubber or nylon.
Preferably, the adaptive wheel tensioning guide device,
the elastic piece is an extension spring.
The technical scheme of the utility model, have following advantage:
1. the utility model provides a pair of wheeled tensioning guider of self-adaptation, including support frame, spacing wheel and elastic component. The limiting wheel is rotationally arranged on the supporting frame, the limiting wheel is circumferentially provided with a limiting groove for embedding and winding the elevator compensation chain, two opposite free ends of the supporting frame are respectively connected to the shaft bottom or the shaft wall of the elevator shaft through a group of elastic parts, or one free end of the supporting frame is connected with the shaft bottom or the shaft wall of the elevator shaft through an elastic element, the other free end is hinged on the shaft bottom or the shaft wall of the elevator shaft, in the running process of the elevator, the elastic piece buffers the traction acting force of the elevator compensation chain on the limiting wheel, the limiting wheel can generate displacement in multiple directions such as up, down, left and right directions and the like when being subjected to the traction force of the elevator compensation chain so as to adjust and buffer the acting force, so that the integral stress of the limiting wheel is uniform, the service life of the limiting wheel is prolonged, and the swing of the elevator compensation chain is controlled in a certain area through the elastic restoring force of the elastic piece, so that the elevator compensation chain is prevented from colliding and rubbing the well wall when swinging slightly.
2. The utility model provides a pair of wheeled tensioning guider of self-adaptation, two sets of elastic components are two relative free ends of joint support frame respectively, and two sets of elastic components all set up and fix in the shaft bottom along vertical direction, and keep the support frame level to set up, and the length of two sets of elastic components is the same promptly for at elevator operation in-process, the atress of two sets of elastic components is more even, improves the life of elastic component.
3. The utility model provides a pair of wheeled tensioning guider of self-adaptation, rubber coating on the cell wall of the spacing recess of spacing wheel, the glue film is the elastomer, can avoid elevator compensation chain to bump hard contact with the cell wall firmly, and sound is taken in the operation in-process, and the experience is taken in the influence, reduces the collision friction of elevator compensation chain and cell wall simultaneously, improves life.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an adaptive wheel type tensioning guide device of the present invention;
fig. 2 is a schematic structural view of the adaptive wheel type tensioning guide device of the present invention;
fig. 3 is a first schematic structural view of a limiting wheel in the adaptive wheel type tensioning and guiding device of the present invention;
fig. 4 is a schematic structural diagram of a limiting wheel in the adaptive wheel type tensioning and guiding device of the present invention.
Description of reference numerals:
1-a support frame; 2-a limiting wheel; 21-a limiting groove; 3-extension spring; 4-fixing the rod.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The present embodiment provides an adaptive wheel type tensioning and guiding device, as shown in fig. 1, including a supporting frame 1, a limiting wheel 2 and an elastic member. Polyurethane, rubber or nylon are selected for use to 2 materials of spacing round, spacing round 2 rotates and sets up on support frame 1, spacing round 2 circumference sets up spacing recess 21, as shown in fig. 3, the cross-section of spacing recess 21 is arc, or as shown in fig. 4, the cross-section of spacing recess 21 is the V-arrangement, arc or V-arrangement spacing recess 21 is for the embedding of elevator compensation chain (not shown in the figure) to wind and establish, make elevator compensation chain difficult roll-off spacing round 2 at the operation in-process, of course the cross-section of spacing recess 21 can also be for other shapes, can supply elevator compensation chain to wind to establish can. In a normal state, the limiting wheel 2 is suspended in the elevator shaft under the action of the traction force of the elevator compensation chain.
In this embodiment, rubber coating (not shown in the figure) sets up on the cell wall of spacing recess 21 of spacing wheel 2, and rubber coating material is like TPE material etc. and the glue film is the elastomer, can avoid elevator compensation chain to bump hard contact with the cell wall firmly, and sound in the operation process, the influence is taken and is experienced, reduces the collision friction of elevator compensation chain and cell wall simultaneously, improves life. In addition, a plurality of elastic protrusions (not shown in the figure) can be arranged on the groove wall encapsulated by the limiting groove 21, so that the collision between the elevator compensation chain and the groove wall is further buffered.
In this embodiment, the support frame 1 is a rectangular frame structure as a whole, and the rectangular support frame 1 is horizontally disposed, two ends of a rotating shaft of the limiting wheel 2 rotatably penetrate through the middle position of two opposite long-side wall surfaces of the support frame 1, the axial direction is horizontally disposed in the rectangular inner cavity, the diameter of the limiting wheel 2 is smaller than the length of the support frame 1, so that when the elevator compensation chain is wound on the limiting wheel 2, an appropriate amount of offset space is left between the elevator compensation chain and the short sides of the support frame 1 on two sides, the two opposite short sides and the two long sides of the rectangular support frame 1 are free ends, and the free ends are suitable for being connected with elastic members, in this embodiment, the elastic members are extension springs 3, of course, other elastic members such as elastic belts and the like can be adopted, as shown in fig. 1, the two opposite short sides of the support frame, every group elastic component sets up an elastic component, elastic component adopts extension spring 3, extension spring 3 all sets up along vertical direction, in the elevator operation process, the traction effort of the elevator compensation chain that receives through extension spring 3 buffering spacing wheel 2, spacing wheel 2 can produce the displacement in order to adjust and cushion this effort in a plurality of directions such as about receiving elevator compensation chain traction effect acting on, make spacing wheel 2 whole atress even, improve spacing wheel 2's life, and the swing control of elevator compensation chain is in a certain area through extension spring 3's elastic restoring force, collision friction wall of a well when avoiding the slight swing of elevator compensation chain.
Or, as shown in fig. 2, a short edge of one end of the support frame 1 is connected with the extension spring 3, the other opposite short edge is hinged on the fixing rod 4, the support frame 1 is kept at a horizontal position, the fixing rod 4 is fixed at the bottom of the well, and the limiting wheel 2 can swing up and down along with the support frame 1 around the hinged position.
As a first alternative implementation manner of embodiment 1, when two sets of elastic members are provided, the two sets of elastic members may be respectively fixed on two long sides of the rectangle of the support frame 1, and the fixed positions are both located at the rotating shaft of the limiting wheel 2; furthermore, the other end of the elastic element can be fixed on the wall of the elevator shaft corresponding to the same side.
As a second alternative embodiment of the embodiment 1, the stopping wheel 2 may be replaced by a ring structure with a local gap, that is, a circular arc with a central angle a is removed from the outer circumference of the stopping wheel 2 to form a gap, and the gap is satisfied that the gap does not affect the rotation of the elevator compensation chain driving the stopping wheel 2, for example, the central angle a is 10 °, a 10 ° gap is formed on the outer circumference of the stopping wheel 2, the contact area of the elevator compensation chain and the stopping wheel 2 is always larger than the area of the gap on the outer circumference of the stopping wheel 2, and the rotation of the stopping wheel 2 along with the elevator compensation chain is not affected.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. An adaptive wheel tensioning guide, comprising:
a support frame (1);
a limiting wheel (2) provided with a limiting groove (21) arranged in the circumferential direction; the limiting wheel (2) is axially and horizontally arranged and can be rotatably arranged on the support frame (1); the limiting groove (21) is internally suitable for embedding an elevator compensation chain; the limiting wheel (2) is suitable for being suspended under the traction action force of the elevator compensation chain;
two opposite ends of any group on the support frame (1) are free ends;
at least two groups of elastic pieces which are fixedly connected with the free ends corresponding to the free ends in any group in a one-to-one correspondence manner; the other end of the elastic element is fixedly connected to the bottom of the elevator shaft or the wall of the elevator shaft at the same side of the free end corresponding to the elastic element; or
One end of the elastic piece is fixedly connected with one free end of the limiting wheel (2) in the radial direction; the other end of the shaft is fixedly connected to the shaft bottom or the shaft wall of the elevator shaft at the same side with the free end; the other free end positioned in the radial direction of the limiting wheel (2) is hinged to the bottom of the elevator shaft or the wall of the elevator shaft.
2. The adaptive wheeled tensioning guide of claim 1 wherein there are two sets of resilient members;
the two groups of elastic pieces are respectively connected with two free ends of the support frame (1) positioned on the radial direction of the limiting wheel (2); the other ends of the two groups of elastic pieces are fixedly connected with the bottom of the elevator shaft at the same side of the corresponding free ends.
3. The adaptive wheeled tensioning guide of claim 2 wherein any set of said resilient members are disposed in a vertical orientation.
4. An adaptive wheeled tensioning guide according to claim 3, characterized in that the support frame (1) is arranged horizontally.
5. The adaptive wheeled tensioning guide according to any one of claims 1-4, characterized in that the walls of the limit groove (21) are encapsulated.
6. The adaptive wheeled tensioning guide according to claim 5, characterized in that the cross section of the limit groove (21) is entirely arc-shaped or V-shaped.
7. The adaptive wheel tensioning guide according to claim 6, characterized in that a plurality of elastic protrusions are distributed on the groove wall of the limiting groove (21).
8. The adaptive wheel tensioning guide according to any one of claims 1 to 4, characterized in that the limiting wheel (2) is made of polyurethane, rubber or nylon.
9. The adaptive wheeled tensioning guide of any one of claims 1-4,
the elastic piece is an extension spring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749942.4U CN210884805U (en) | 2019-10-17 | 2019-10-17 | Self-adaptive wheel type tensioning guide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749942.4U CN210884805U (en) | 2019-10-17 | 2019-10-17 | Self-adaptive wheel type tensioning guide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210884805U true CN210884805U (en) | 2020-06-30 |
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ID=71320458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921749942.4U Active CN210884805U (en) | 2019-10-17 | 2019-10-17 | Self-adaptive wheel type tensioning guide device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210884805U (en) |
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2019
- 2019-10-17 CN CN201921749942.4U patent/CN210884805U/en active Active
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