CN212687280U - Tension pulley positioning device and elevator - Google Patents
Tension pulley positioning device and elevator Download PDFInfo
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- CN212687280U CN212687280U CN202021566045.2U CN202021566045U CN212687280U CN 212687280 U CN212687280 U CN 212687280U CN 202021566045 U CN202021566045 U CN 202021566045U CN 212687280 U CN212687280 U CN 212687280U
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Abstract
The utility model discloses a positioning device of a tension roller, which comprises a first bracket, a second bracket and an adjusting part; the second bracket is connected with the first bracket, and the first bracket can be fixed on the wall body through a fixing piece; the second support is provided with a positioning piece matched with the adjusting part, and the distance between one end of the adjusting part far away from the second support and the tensioning wheel is adjustable. The utility model discloses a tight pulley positioner that rises can avoid stopping or stranded trouble because of the elevator accident that tight pulley switch malfunction caused.
Description
Technical Field
The utility model relates to an elevator equipment technical field, more specifically say, in particular to tight pulley positioner and elevator that rises.
Background
In order to achieve the effect of limiting the speed during operation, the elevator is generally provided with a speed limiter, the speed limiter is connected with a car safety gear linkage mechanism through a steel wire rope, the car is overspeed or even falls in danger no matter what reason the elevator is in operation, and under the condition that other safety protection devices are not in effect, the speed limiter and the safety gear are in linkage action to stop the elevator car, so that the situation that the car is overspeed or falls is avoided.
The speed limiter is a main mechanical speed measurement trigger device, and is further provided with a tension wheel serving as an auxiliary device for better ensuring safety, wherein the tension wheel is mainly used for tensioning a steel wire rope of the speed limiter and protecting the steel wire rope after the steel wire rope is broken or excessively stretched.
The tension pulley is formed by connecting a steel wire rope with the safety gear and the speed limiter, wherein the steel wire rope is wound around the speed limiter and is connected with a connecting rod pull arm of the safety gear to form a speed limiter-safety gear protection device, and the steel wire rope of the speed limiter-safety gear protection device is tensioned by utilizing gravity to ensure the tension force of the speed limiter on the steel wire rope, so that the speed limiting protection effect is achieved.
The safety gear connecting rod draw arm is arranged on the lift car and moves together with the lift car, the steel wire rope driving the tension wheel moves together when the lift car moves up and down, if the lift car is overspeed, the speed limiter acts to disconnect the safety loop and pull the steel wire rope, and the safety gear connecting rod draw arm connected with the speed limiter is pulled to drive the safety gear to act to clamp the lift car on the guide rail.
When the elevator is used, the speed limiter and the steel wire rope of the elevator accidentally contract, or the speed limiter generates blockage when the mechanical action resets, so that the vertical movement stroke of the tension pulley is too large, the false operation of the tension pulley switch is caused, the normal use of the elevator is influenced, and even people trapping faults can occur.
Therefore, the tension roller positioning device capable of avoiding the accidental stop of the elevator or the trouble of people trapping caused by the misoperation of the tension roller switch is a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a tight pulley positioner that rises can avoid producing the jamming when perhaps overspeed governor mechanical action resets because overspeed governor and wire rope can take place involuntarily the shrink by accident, makes the tight pulley that rises change the stroke from top to bottom too big, causes the tight pulley switch malfunction that rises, influences the normal use of elevator, can take place the condition of stranded trouble even.
A positioning device of a tension wheel comprises a first bracket, a second bracket and an adjusting component;
the second bracket is connected with the first bracket, and the first bracket can be fixed on a wall body through a fixing piece;
the second support is provided with a positioning piece matched with the adjusting part, and the distance between one end of the adjusting part far away from the second support and the tensioning wheel is adjustable.
Preferably, the positioning piece is a positioning nut, the second support is provided with a vertical hole, and the positioning nut is arranged in the vertical hole;
the adjusting part comprises a positioning bolt and a limiting nut sleeved on the positioning bolt, and the positioning bolt is matched with the vertical hole.
Preferably, the setting element is for setting up at least one joint groove on the second support, adjusting part be with joint groove assorted joint spare, joint spare can with each can dismantle the connection between the joint groove.
Preferably, the positioning piece is a positioning groove formed in the second support, the longitudinal section of the positioning groove is in a tooth shape, the adjusting component is a tooth-shaped clamping piece matched with the positioning groove, and the tooth-shaped clamping piece is detachably connected with the positioning groove.
Preferably, the fixing piece is an expansion bolt, and the first support is provided with a bolt hole matched with the expansion bolt.
Preferably, the first bracket is provided with an elongated slot, and the fixing member can adjust the fixing position in the elongated slot.
Preferably, the central axis of the adjusting component is coaxial with the central axis of the transverse bracket of the tension wheel.
Preferably, the second bracket is fixedly connected with the first bracket through a fixing bolt.
Furthermore, flat pads are arranged on two sides of the fixing bolt.
An elevator comprises any one of the tension pulley positioning devices.
The utility model provides a tight pulley positioner that rises through the second support on set up with adjusting part matched with setting element for the adjusting part is kept away from the one end of second support and is risen the distance between the tight pulley and adjustable, forms effectual support to rising the tight pulley, can effectually avoid stopping or the trouble of trapping one's death because of the elevator accident that rises that tight pulley switch malfunction caused, improves the security of elevator operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a positioning device of a tension roller according to the present invention;
fig. 2 is a schematic view of the overall structure of the positioning device of the tension roller according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of one embodiment of the positioning device of the tension roller according to the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, the positioning device for the tension roller provided by the embodiment includes a first bracket 1, a second bracket 2 and an adjusting member 3;
the second bracket 2 is connected with the first bracket 1, and the first bracket 1 can be fixed on a wall body through a fixing piece;
the second bracket 2 is provided with a positioning piece matched with the adjusting part 3, and the distance between one end of the adjusting part 3 far away from the second bracket 2 and the tension wheel is adjustable.
When the fixing device is used, the first support 1 and a well wall body are fixedly connected at a proper position through a fixing piece, the second support 2 is connected with the first support 1, the second support 2 is connected with the adjusting part 3 through a positioning piece, and when the adjusting part 3 is adjusted to be at the middle position, the fixing and fastening between the first support 1 and the adjusting part are completed. Meanwhile, the adjusting component 3 is adjusted to be away from one end of the second bracket 2, in this embodiment, the top of the adjusting component 3 is just pressed to the transverse bracket of the tension wheel, that is, the top of the adjusting component 3 is abutted to the transverse bracket of the tension wheel. When the speed limiter steel wire rope is unintentionally contracted, the tension pulley positioning device and the wall body are in a fixed state, and then the tension pulley can be propped against, the tension pulley is ensured not to be lifted upwards, the tension pulley switch cannot cause misoperation, and the elevator man-trapping fault is reduced.
In order to meet different use environments or adapt to different elevator types, the positioning part and the adjusting part 3 can be selected to be different in types and matching modes according to needs.
In one embodiment of this embodiment, the positioning element is a positioning nut 21, the second bracket 2 is provided with a vertical hole, and the positioning nut 21 is arranged in the vertical hole;
the adjusting component 3 comprises a positioning bolt 31 and a limiting nut 32 sleeved on the positioning bolt 31, and the positioning bolt 31 is matched with the vertical hole.
When the positioning nut 21 is installed, the positioning nut 21 is placed in the vertical hole in the second support 2, in order to enable the positioning nut 21 to obtain a better fixing effect, the vertical hole can be formed by two parts, one part is matched with the shape of the positioning nut 21, and the other part is matched with the shape of the screwing part of the positioning bolt 31, so that the positioning bolt 31 can effectively move in the vertical hole, and the distance between the positioning bolt 31 and the tensioning wheel can be adjusted conveniently.
The limiting nut 32 is used for better fixing the positioning bolt 31 after the positioning bolt 31 reaches a required position, so that the displacement of the positioning bolt 31 in the horizontal direction is limited, and unnecessary change of the distance between the positioning bolt 31 and the tension wheel due to inclination caused by the horizontal displacement is avoided.
Preferably, the setting element is at least one joint groove of setting on second support 2, adjusting part 3 for with joint groove assorted joint spare, joint spare can with each joint groove between can dismantle and be connected.
One or more clamping grooves are formed in the second support 2, and the distance between the clamping piece and the tensioning wheel can be adjusted through the connecting positions of the clamping piece and the clamping grooves matched with each other. It should be noted that, the distance between each joint groove can also be preset according to actual need, the mode that can adopt the buckle to be connected between joint spare and the joint groove, perhaps adopts the dismantlement connected mode of other same effects, and the maintenance and the change of joint spare can be convenient for to the dismantlement mode, and concrete connected mode is not discussed here again.
Preferably, the locating piece is the constant head tank that sets up on second support 2, and the longitudinal section of constant head tank is the cusp, and adjusting part 3 is for being connected for dismantling with constant head tank assorted cusp fastener, cusp fastener and constant head tank between.
And through setting up dentate constant head tank, and this constant head tank contains a plurality of dentates, and dentate fastener and dentate constant head tank phase-match, consequently, can be directly imbed dentate fastener in the dentate constant head tank to can be as required, adjust the concrete position of embedding, realize and the tight pulley of rising apart from adjustable effect. And also because the detachable connection mode is convenient for the maintenance and the replacement of the dentate clamping piece, the specific connection mode is not described again.
Preferably, the fixing member is an expansion bolt 22, and the first bracket 1 is provided with a bolt hole matched with the expansion bolt 22.
The expansion bolt 22 is simple in connection mode and good in connection effect, and the conventional expansion bolt 22 utilizes the wedge-shaped slope to enable expansion to generate friction bond force, so that the fixing effect is achieved. The expansion bolt 22 has a thread at one end and a taper at the other end, a steel sheet is wrapped outside the expansion bolt, a plurality of notches are arranged on one half of an iron sheet cylinder, the expansion bolt and the steel sheet cylinder are plugged into a hole drilled in a wall, then the nut is rotated to complete locking, the expansion bolt 22 is pulled outwards by the nut to pull the taper into the steel sheet cylinder, the steel sheet cylinder is expanded and then is tightly fixed on the wall, and the expansion bolt has a good effect on fixing a well wall surface formed by cement.
Preferably, the first support 1 is provided with an elongated slot, and the fixing part can adjust the fixing position in the elongated slot, so that the fixing device can adapt to hoistway wall surfaces in different conditions and meet more fixing requirements.
Preferably, the central axis of the adjusting part 3 is coaxial with the central axis of the transverse bracket of the tension wheel, so that the tension wheel can be positioned better, and the left and right deviation caused by different axes is avoided.
In practical use, the top of the adjusting part 3 can be abutted against the middle point of the transverse bracket of the tension pulley, so that the left and right deviation of the adjusting part 3 under the action force of the upward jacking of the tension pulley can be avoided to the maximum extent, and the probability of the dislocation of the tension pulley caused by the deviation is reduced.
Preferably, the second support 2 is fixedly connected with the first support 1 through a fixing bolt, in order to enable the adjusting part 3 to more effectively support the tension roller, the first support 1 and the second support 2 are fixed through the fixing bolt, and unnecessary displacement caused by the upward supporting force of the tension roller on the second support 2 is avoided, so that the supporting effect of the adjusting part 3 is further influenced.
Furthermore, the flat pads are arranged on the two sides of the fixing bolt, so that the contact area between the fixing bolt and the first support 1 and/or the second support 2 is increased, and the fixing effect is improved.
The embodiment of the utility model provides an elevator is still provided, including any one of the above-mentioned tight pulley positioner that rises, it possesses same technological effect.
It is right above the utility model provides a tight pulley positioner that rises introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A positioning device of a tension wheel is characterized by comprising a first bracket, a second bracket and an adjusting part;
the second bracket is connected with the first bracket, and the first bracket can be fixed on a wall body through a fixing piece;
the second support is provided with a positioning piece matched with the adjusting part, and the distance between one end of the adjusting part far away from the second support and the tensioning wheel is adjustable.
2. The tensioner positioning device as claimed in claim 1, wherein the positioning member is a positioning nut, the second bracket is provided with a vertical hole, and the positioning nut is disposed in the vertical hole;
the adjusting part comprises a positioning bolt and a limiting nut sleeved on the positioning bolt, and the positioning bolt is matched with the vertical hole.
3. The positioning device of the tension roller as claimed in claim 1, wherein the positioning member is at least one clamping groove disposed on the second bracket, the adjusting member is a clamping member matched with the clamping groove, and the clamping member is detachably connected with each clamping groove.
4. The positioning device of the tension roller as claimed in claim 1, wherein the positioning member is a positioning slot disposed on the second bracket, the longitudinal section of the positioning slot is toothed, the adjusting member is a toothed fastener matched with the positioning slot, and the toothed fastener is detachably connected with the positioning slot.
5. The tension roller positioning device as claimed in claim 1, wherein the fixing member is an expansion bolt, and the first bracket has a bolt hole matching the expansion bolt.
6. The tensioner as claimed in claim 1, wherein the first bracket has an elongated slot, and the fixing member is adjustable to a fixed position in the elongated slot.
7. The tension roller positioning device as claimed in claim 1, wherein the central axis of the adjusting member is coaxial with the central axis of the tension roller lateral bracket.
8. The tensioner as claimed in claim 1, wherein the second bracket is fixedly connected to the first bracket by a fixing bolt.
9. The tensioner as claimed in claim 7, wherein the fixing bolt is provided with flat pads on both sides.
10. An elevator, characterized by comprising the tension roller positioning device of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566045.2U CN212687280U (en) | 2020-07-31 | 2020-07-31 | Tension pulley positioning device and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566045.2U CN212687280U (en) | 2020-07-31 | 2020-07-31 | Tension pulley positioning device and elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212687280U true CN212687280U (en) | 2021-03-12 |
Family
ID=74900542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021566045.2U Active CN212687280U (en) | 2020-07-31 | 2020-07-31 | Tension pulley positioning device and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212687280U (en) |
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2020
- 2020-07-31 CN CN202021566045.2U patent/CN212687280U/en active Active
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