CN220431974U - Elevator tows wire rope tension detection device - Google Patents
Elevator tows wire rope tension detection device Download PDFInfo
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- CN220431974U CN220431974U CN202322127630.2U CN202322127630U CN220431974U CN 220431974 U CN220431974 U CN 220431974U CN 202322127630 U CN202322127630 U CN 202322127630U CN 220431974 U CN220431974 U CN 220431974U
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- steel wire
- wire ropes
- rope head
- tension
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 230000000694 effects Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a tension detection device for an elevator traction steel wire rope, and relates to the technical field of elevators. The utility model comprises a rope head plate, a plurality of steel wire ropes movably arranged on the rope head plate in a penetrating way, a rope head rod fixedly arranged at the top of the steel wire ropes, a rope head spring movably sleeved at the top of the steel wire ropes, a fastening nut connected to the rope head rod in a threaded way, and a detection assembly fixedly arranged at the top of the rope head plate, wherein the detection assembly comprises a torsion ring and a standard block slidably arranged at the bottom of the torsion ring. According to the utility model, when any one or more steel wire ropes are stretched by tension change, the rope head spring which is correspondingly compressed is restored upwards and drives the rope head rod to move upwards, so that the connecting rod pushes the standard block to move in the chute, and when the tension of the steel wire ropes is abnormally changed, the standard block pushes the torsion ring to deflect to trigger the micro-motion alarm, and in the process, when at least one abnormal tension change exists in the steel wire ropes, the elevator can be early warned timely and correctly, so that the safety accident caused by the elevator fault is avoided.
Description
Technical Field
The utility model relates to the technical field of elevator equipment, in particular to an elevator traction steel wire rope tension detection device.
Background
In the life cycle of the elevator, the traction steel wire ropes are stretched due to the tensile force, and the stretching of the plurality of steel wire ropes is inconsistent, so that the tension among the steel wire ropes is uneven, the abrasion of the traction sheave rope grooves or the steel wire ropes is accelerated as a result, and the risk of the steel wire ropes falling off the grooves is increased.
Chinese patent No. CN213387322U discloses a tension detecting device for elevator traction wire rope, comprising a rope end mechanism and a detecting mechanism, the rope end mechanism comprises several groups of rope end components, the rope end components comprise rope end rod and rope end spring; the detection mechanism comprises a mounting lock head, a driving rope, a linkage piece, a micro switch and an alarm; the installation lock heads are respectively fixed at the top ends of the rope head rods; the linkage piece is rotatably arranged in the elevator shaft and is provided with a first rotating end part and a second rotating end part; one end of the driving rope passes through each mounting lock head and then is fixed on one of the mounting lock heads, and the other end of the driving rope is connected with the first rotating end part; the micro switch is electrically connected with the alarm; the transmission element of the microswitch is arranged in the rotational path of the second rotational end. The method and the device realize the timely discovery that the tension difference between the steel wire ropes exceeds the allowable value, solve the technical problems of accelerating the abrasion of the rope grooves of the traction sheave or the steel wire ropes and increasing the risk of the steel wire ropes getting out of the grooves, and improve the operation safety of the elevator.
When a certain steel wire rope stretches due to the fact that the stretching tension of the steel wire rope is reduced, the rope head spring enables the rope head rod to lift up, the installation lock head is lifted up, the driving rope drives the first rotating end portion in the process of lifting up, the linkage piece is rotated to give an alarm, in fact, one or more steel wire ropes with tension changes are used, when the tension of the steel wire ropes is reduced normally, the steel wire ropes stretch out normally, the steel wire ropes are just lower than the critical value of abnormal changes, the triggering traction amount of the driving rope is larger than the minimum triggering traction amount of the driving rope due to the fact that the tension of the single steel wire rope is changed abnormally, and therefore false alarm faults can be caused.
Disclosure of Invention
The utility model aims at: the utility model provides an elevator traction steel wire rope tension detection device, which aims to solve the problem that when a common elevator traction steel wire rope tension detection device is used, a plurality of steel wire ropes are simultaneously in abnormal tension, and the error report of detection faults exists.
The utility model adopts the following technical scheme for realizing the purposes:
the utility model provides an elevator tows wire rope tension detection device, includes rope hitch plate, activity run through establish many wire ropes on the rope hitch plate, set firmly at the rope hitch lever at wire rope top, the activity cup joints the rope hitch spring at wire rope top, threaded connection fastening nut on the rope hitch lever, fixed mounting at the detection component at rope hitch plate top, detection component includes torsion ring, slidable mounting at the mark piece of torsion ring bottom, swing joint at the connecting rod between mark piece and rope hitch lever, set firmly at the branch on rope hitch plate top, the slip joint touches the post at the branch top, set firmly at the micro-motion alarm at the branch top.
Further, cover plates movably clamped with the torsion ring are fixedly arranged on two sides of the top end of the rope hitch plate, and the elasticity of the torsion ring is far smaller than that of the rope hitch spring.
Further, the steel wire ropes are equidistantly wound around the periphery of the supporting rod, and the middle part of the supporting rod comprises a disc-shaped extension part which is movably sleeved on the rope head rod.
Further, the upper end and the lower end of the rope head spring are respectively movably abutted between the rope head plate and the fastening nut, and the rope head spring is in a compressed shape.
Further, the bottom of the torsion ring is provided with a chute corresponding to the standard blocks, one side of the edge of the chute along the clockwise direction comprises scales, and the number of the standard blocks is the same as that of the steel wire ropes.
Further, the touch column is in threaded connection with the torsion ring.
Further, the bottom of the micro-motion alarm comprises a touch switch opposite to the touch column.
The beneficial effects of the utility model are as follows:
1. according to the utility model, when any one or more steel wire ropes are stretched by tension change, the rope head spring which is correspondingly compressed is restored upwards and drives the rope head rod to move upwards, so that the connecting rod pushes the standard block to move in the chute, when the tension of the steel wire ropes is changed normally, the reserved space in the chute meets the standard block normal movement, and when the tension of the steel wire ropes is changed abnormally, the standard block needs a larger movement path, namely, the torsion ring is caused to deflect to trigger the micro-motion alarm, and in the process, when at least one abnormal tension change of the steel wire ropes exists, the elevator can be early warned timely and correctly, so that the elevator fault is avoided.
Drawings
FIG. 1 is a perspective view of a tension detecting apparatus according to the present utility model;
FIG. 2 is a perspective view of a touch column of the tension sensing device of the present utility model;
FIG. 3 is a perspective view of the torsion ring of the tension detecting device of the present utility model;
fig. 4 is a block perspective view of the tension detecting apparatus of the present utility model.
Reference numerals: 1. rope hitch plate; 2. a wire rope; 3. a rope head rod; 4. a rope end spring; 5. a fastening nut; 6. a detection assembly; 61. a cover plate; 62. a torsion ring; 63. a chute; 64. marking blocks; 65. a connecting rod; 66. a support rod; 67. a touch column; 68. and a micro-motion alarm.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-4, an elevator traction steel wire rope tension detection device comprises a rope head plate 1, a plurality of steel wire ropes 2 movably penetrating through the rope head plate 1, rope head rods 3 fixedly arranged at the tops of the steel wire ropes 2, rope head springs 4 movably sleeved at the tops of the steel wire ropes 2, fastening nuts 5 connected to the rope head rods 3 in a threaded mode, a detection assembly 6 fixedly arranged at the tops of the rope head plates 1, wherein the detection assembly 6 comprises a torsion ring 62, a standard block 64 slidably arranged at the bottom of the torsion ring 62, a connecting rod 65 movably connected between the standard block 64 and the rope head rods 3, a supporting rod 66 fixedly arranged at the tops of the rope head plate 1, a touch column 67 slidably clamped at the tops of the supporting rod 66, and a micro-motion alarm 68 fixedly arranged at the tops of the supporting rod 66.
More specifically, when any one or more of the steel wire ropes 2 are stretched by tension change, the corresponding compressed rope head spring 4 is restored upwards and drives the rope head rod 3 to move upwards, so that the connecting rod 65 pushes the standard block 64 to move in the sliding groove 63, when the tension of the steel wire ropes 2 is changed normally, the space reserved in the sliding groove 63 meets the standard block 64 to move normally, and when the tension of the steel wire ropes 2 is changed abnormally, the standard block 64 needs a larger movement path, namely the torsion ring 62 is pushed to deflect, the touch column 67 is driven to move upwards to trigger the micro-motion alarm 68, and in the process, when at least one abnormal tension change of the steel wire ropes 2 exists, the elevator can be early warned timely and correctly, so that the elevator fault occurrence safety accident can be avoided.
As shown in fig. 1 and 3, in some embodiments, two sides of the top end of the rope hitch plate 1 are fixedly provided with cover plates 61 movably clamped with torsion rings 62, the elasticity of the torsion rings 62 is far smaller than that of the rope hitch springs 4, specifically, the torsion rings 62 are used for limiting connection, vibration caused by elevator operation can be avoided, the micro-motion alarm 68 is accidentally touched to alarm, and the torsion rings 62 and the rope hitch springs 4 are used for ensuring that the torsion rings 62 can smoothly deflect to trigger the micro-motion alarm 68 under the reset extension drive of the rope hitch springs 4 when the tension of the steel wire ropes 2 is abnormal.
As shown in fig. 3, in some embodiments, the steel wire ropes 2 are equidistantly wound around the periphery of the supporting rod 66, the middle part of the supporting rod 66 comprises a disc-shaped extension part movably sleeved on the rope end rod 3, and specifically, the disc-shaped extension part on the supporting rod 66 can be used for limiting the rope end rod 3 in the vertical direction, so that the normal work of the steel wire ropes 2 and the rope end springs 4 is ensured.
As shown in fig. 3, in some embodiments, the upper and lower ends of the rope hitch spring 4 are respectively movably abutted between the rope hitch plate 1 and the fastening nut 5, and the rope hitch spring 4 is in a compressed shape.
As shown in fig. 4, in some embodiments, a chute 63 corresponding to the standard block 64 is provided at the bottom of the torsion ring 62, one side of the edge of the chute 63 in the clockwise direction includes scales, the number of the standard blocks 64 is the same as that of the steel wire ropes 2, and specifically, according to the scales at the edge of the chute 63, the acquisition of the tension change information of each steel wire rope 2 during routine maintenance can be satisfied.
In some embodiments, as shown in fig. 1, trigger post 67 is threadably coupled to torsion ring 62.
In some embodiments, as shown in FIG. 2, the bottom of the micro-alarm 68 includes a trigger switch opposite the trigger post 67.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides an elevator tows wire rope tension detection device, includes rope hitch plate (1), activity run through many wire ropes (2) of establishing on rope hitch plate (1), set firmly rope hitch lever (3) at wire rope hitch plate (2) top, the activity cup joints rope hitch spring (4) at wire rope hitch plate (2) top, fastening nut (5) on rope hitch lever (3), fixed mounting is at detection subassembly (6) at rope hitch plate (1) top, a serial communication port, detection subassembly (6) include torsion ring (62), slidable mounting in the standard piece (64) of torsion ring (62) bottom, swing joint is at connecting rod (65) between standard piece (64) and rope hitch lever (3), set firmly branch (66) at rope hitch plate (1) top, the slip joint touches post (67) at branch (66) top, set firmly micro-motion alarm (68) at branch (66) top.
2. The tension detection device for the elevator traction steel wire rope according to claim 1, wherein cover plates (61) movably clamped with the torsion ring (62) are fixedly arranged on two sides of the top end of the rope hitch plate (1), and the elasticity of the torsion ring (62) is far smaller than that of the rope hitch spring (4).
3. The tension detection device for the elevator traction steel wire rope according to claim 1, wherein the steel wire ropes (2) are equidistantly wound around the periphery of the supporting rod (66), and the middle part of the supporting rod (66) comprises a disc-shaped extension part which is movably sleeved on the rope head rod (3).
4. The tension detection device for the elevator traction steel wire rope according to claim 1, wherein the upper end and the lower end of the rope head spring (4) are respectively movably abutted between the rope head plate (1) and the fastening nut (5), and the rope head spring (4) is in a compressed shape.
5. The elevator traction wire rope tension detection device according to claim 1, wherein a chute (63) corresponding to the standard blocks (64) is formed in the bottom of the torsion ring (62), one side of the edge of the chute (63) in the clockwise direction comprises scales, and the number of the standard blocks (64) is the same as the number of the wire ropes (2).
6. The elevator traction wire rope tension detecting device according to claim 1, wherein the trigger post (67) is screwed with the torsion ring (62).
7. An elevator traction wire rope tension detecting device according to claim 1, characterized in that the bottom of the micro-motion alarm (68) comprises a trigger switch opposite to the trigger post (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322127630.2U CN220431974U (en) | 2023-08-09 | 2023-08-09 | Elevator tows wire rope tension detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322127630.2U CN220431974U (en) | 2023-08-09 | 2023-08-09 | Elevator tows wire rope tension detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220431974U true CN220431974U (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322127630.2U Active CN220431974U (en) | 2023-08-09 | 2023-08-09 | Elevator tows wire rope tension detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220431974U (en) |
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2023
- 2023-08-09 CN CN202322127630.2U patent/CN220431974U/en active Active
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