CN114933222B - Compensation chain guiding device for coping with elevator detention working condition - Google Patents
Compensation chain guiding device for coping with elevator detention working condition Download PDFInfo
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- CN114933222B CN114933222B CN202210634486.9A CN202210634486A CN114933222B CN 114933222 B CN114933222 B CN 114933222B CN 202210634486 A CN202210634486 A CN 202210634486A CN 114933222 B CN114933222 B CN 114933222B
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- bracket
- guide
- chain guide
- electric switch
- guide shaft
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- 230000010485 coping Effects 0.000 title description 4
- 230000014759 maintenance of location Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- 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 discloses a compensation chain guide device for dealing with retention conditions of an elevator, which comprises a device fixing bracket and a chain guide bracket guide shaft; the device fixing bracket is fixed on the counterweight guard rail through a fastener; the guide shaft of the chain guide bracket is arranged on the guide hole of the device fixing bracket; a limiting component is arranged on the outer contact surface of the chain guide support guide shaft and the device fixing support, and the chain guide support guide shaft slides in the vertical direction in the guide hole of the device fixing support; the device fixing bracket is provided with an electric switch; the switch direction of the electric switch is positioned right above the guide shaft of the chain guide bracket; the guide shaft of the chain guide bracket touches the switch of the electric switch in the sliding process; the electric switch is used for triggering a safety loop of the elevator. When the elevator has a detention working condition, the safety loop of the elevator is triggered by the mechanical structure of the compensation chain driving device, so that the elevator can stop suddenly, and the safe operation of the elevator is ensured.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a compensation chain guide device for coping with elevator retention conditions.
Background
In the 2020 version of GB/T7588.2 "safety regulations for elevator manufacture and installation", the following requirements are set for the system of an elevator, in which the condition should be met for the hoisting of the wire rope, "if the car or counterweight is to be retained, the empty car or counterweight should not be lifted to a dangerous position by one of the following means: 1) The steel wire rope slips on the traction sheave; 2) The drive master is stopped by an electrical safety device according to the specification 5.11.2. (note: if there is no risk of compression at the extreme position of the journey, there is also no risk of the suspension device striking and the car deceleration being too great due to the car or counterweight falling back, a small lifting of the car or counterweight is acceptable.). For the retention problem of the elevator car or the counterweight, the elevator can be braked by causing the wire rope to slip on the traction sheave so as to avoid the continued movement of the car or the counterweight, or by triggering an electrical installation whole device.
The method for detecting whether the elevator is detained is known by inquiring, the counterweight and the car are directly connected through a rope-carrying device, and the working condition of the elevator is judged by judging the retraction of the rope of the device through a detection switch; or directly measuring and calculating the tension conditions of the steel wire ropes at two sides through a certain detection device, and judging whether the two sides of the elevator are in a working condition of stagnation or the like. While current compensating chain guides generally only guide the compensating chain, preventing the compensating chain from colliding with elevator components.
The elevator state is detected by connecting the elevator car and two sides of the counterweight, the size of the travelling rope part is required to be increased and changed along with the change of the lifting height of the elevator, the cost is also changed along with the change of the lifting height of the elevator, when the elevator lifting floor is higher, the cost is higher, the method for directly measuring the tension of the counterweight and the two sides of the elevator car is required to arrange a sensing device on the traction device on the two sides of the counterweight or the elevator car, the working condition of the elevator is judged by calculating the change of the traction force at the two ends in real time through the system, the sensor for measurement and the controller for calculation are required to be complex, and various working conditions of the elevator in the operation process can interfere the result.
Disclosure of Invention
The invention aims to provide a compensation chain guide device for dealing with the retention working condition of an elevator, when the retention working condition of the elevator occurs, a mechanical structure of the compensation chain drive device triggers a safety loop of the elevator to enable the elevator to stop suddenly, so that the safe operation of the elevator is ensured.
The invention is realized by the following technical scheme:
a compensation chain guide device for dealing with the retention condition of an elevator comprises a device fixing bracket and a chain guide bracket guide shaft; the device fixing support is fixed on the counterweight guard rail through a fastener; the chain guide bracket guide shaft is arranged on the guide hole of the device fixing bracket; a limiting assembly is arranged on the outer contact surface of the chain guide support guide shaft and the device fixing support, and the limiting assembly is used for preventing the chain guide support guide shaft from sliding and falling off from the horizontal direction of the device fixing support; the chain guide bracket guide shaft slides in the guide hole of the device fixing bracket along the vertical direction; the device fixing bracket is provided with an electric switch; the switch direction of the electric switch is positioned right above the guide shaft of the chain guide bracket; the chain guide support guide shaft touches the switch of the electric appliance switch in the sliding process; the electric switch is used for triggering a safety loop of the elevator.
Further, spring fixing structures are arranged at two ends of the guide shaft of the chain guide bracket; spring fixing holes are respectively formed in the symmetrically arranged device fixing brackets; the spring fixing structures at the two ends of the guide shaft of the chain guide support are respectively connected with the spring fixing holes through two return springs, and the two return springs are in a stretching state, so that the guide shaft of the chain guide support is positioned at the bottom of the guide hole to prevent misoperation of the guide shaft.
Further, the limiting assembly comprises a guide shaft limiting ring and a cotter pin; the guide shaft limiting ring is sleeved at the end part of the guide shaft of the chain guide bracket; the cotter pin is inserted into the end part of the guide shaft of the chain guide bracket.
Further, a hose for chain guide is fitted to the middle part of the guide shaft of the chain guide bracket.
Further, a plurality of oblong holes are arranged on the A surface of the device fixing bracket; the device fixing support adjusts the installation height of the device fixing support on the counterweight guard rail through oblong holes in different positions.
Further, a bracket fixing hole is formed in the B surface of the device fixing bracket; the device fixing support is fixed on the counterweight guard rail support through the cooperation of fastener and support fixed orifices.
Further, the B surface of the device fixing bracket is also provided with an electric switch bracket fixing hole; the device fixing bracket is matched with the electric switch bracket fixing hole through a fastener and is provided with an electric switch fixing bracket; and adjusting the relative height of the electric switch fixing bracket and the device fixing bracket along the vertical direction of the electric switch bracket fixing hole.
Further, an electric switch fixing hole is formed in the electric switch fixing bracket; the electric switch is arranged on the electric switch fixing bracket through the cooperation of the fastener and the electric switch fixing hole; and adjusting the installation height of the electric switch along the vertical direction of the electric switch fixing hole.
Further, the fastener is a bolt.
The invention has the beneficial effects that:
the compensation chain guide device for dealing with the elevator retention condition provided by the invention has the functions of guiding the compensation chain and preventing the compensation chain from colliding with other components, and can automatically reset the mechanical part device under the traction action of the reset spring after the elevator retention problem is solved by the chain guide device, and the operation is simple and reliable. The device combines the structural innovation of the guide structure with the organic combination of the safety electric device, and has the safety protection function of detecting the retention condition of the elevator counterweight device and the elevator car device and triggering the elevator in time besides the guide function of the elevator compensation device.
Drawings
Fig. 1 is a schematic structural view of a compensation chain guide device for dealing with a retention condition of an elevator according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view of a device fixing bracket according to an embodiment of the present invention;
FIG. 4 is a schematic view showing an assembly structure of a fixing bracket and a guide shaft of a chain guide bracket of the device according to the embodiment of the present invention;
FIG. 5 is a schematic side view of an electrical switch mounting bracket according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a front structure of an electrical switch fixing bracket according to an embodiment of the present invention.
In the accompanying drawings: 1-a device fixing bracket; 2-a chain guide bracket guide shaft; 3-a hose for chain guide; 4-cotter pins; 5-a return spring; 6-a guide shaft limit ring; 7-an electric switch fixing bracket; 8-an electrical switch; 9-a fastener; 10-counterweight guard rails; 11-counterweight guard rail brackets; 12-counterweight; 13-a guide rail; 14-compensating chain; 71-an electric switch fixing hole; 101-a guide hole; 102-a spring fixing hole; 103-oblong holes; 104-bracket fixing holes; 105-electrical switch bracket fixing holes.
Detailed Description
The present invention will now be described in detail with reference to the drawings and the detailed description thereof, wherein the invention is illustrated by the schematic drawings and the detailed description thereof, which are included to illustrate and not to limit the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back, upper, lower, top, bottom … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicators are correspondingly changed.
In the present invention, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first", "a second" may include at least one such feature, either explicitly or implicitly; in addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
As shown in fig. 1 to 6, a compensating chain guide device for coping with a retention condition of an elevator comprises a device fixing bracket 1 and a chain guide bracket guide shaft 2; the device fixing bracket 1 is fixed on the counterweight guard rail 10 through a fastener 9; the chain guide bracket guide shaft 2 is arranged on the guide hole 101 of the device fixing bracket 1; a limiting component is arranged on the outer contact surface of the chain guide support guide shaft 2 and the device fixing support 1, and the limiting component is used for preventing the chain guide support guide shaft 2 from sliding and falling off from the horizontal direction of the device fixing support 1; the chain guide bracket guide shaft 2 slides in the vertical direction in the guide hole 101 of the device fixing bracket 1; the device fixing bracket 1 is provided with an electric switch 8; the switch direction of the electric switch 8 is positioned right above the chain guide bracket guide shaft 2; the chain guide bracket guide shaft 2 touches the switch of the electric switch 8 in the sliding process; the appliance switch 8 is used to trigger the safety circuit of the elevator.
Specifically, in the solution of this embodiment, both ends of the guiding shaft 2 of the chain guiding support are provided with spring fixing structures; spring fixing holes 102 are respectively formed in the symmetrically arranged device fixing brackets 1; the spring fixing structures at the two ends of the chain guide support guide shaft 2 are respectively connected with the spring fixing holes 102 through two return springs 5, and the two return springs 5 are in a stretching state, so that the chain guide support guide shaft 2 is positioned at the bottom of the guide hole 101 to prevent misoperation. After the elevator retention problem is solved, the mechanical part device can be automatically reset under the traction action of the reset spring 5 by the guide shaft 2 of the chain guide bracket, and the operation is simple and reliable.
Specifically, in this embodiment, the limiting component includes a guide shaft limiting ring 6 and a cotter pin 4; the guide shaft limiting ring 6 is sleeved at the end part of the guide shaft 2 of the chain guide bracket; the cotter pin 4 is inserted into the end of the chain guide bracket guide shaft 2. It should be noted that, under the cooperation of guiding axle spacing collar 6 and cotter pin 4, chain guide support guiding axle 2 avoids chain guide support guiding axle 2 to slide from the horizontal direction of device fixed bolster 1 and drops, guarantees the normal use of equipment.
Specifically, in this embodiment, the middle part of the chain guide support guide shaft 2 is equipped with a hose 3 for chain guide, so as to reduce noise and impact on the device generated when the chain guide support guide shaft 2 collides with the compensation chain.
Referring to fig. 2, specifically, in this embodiment, a plurality of oblong holes 103 are arranged on the a-plane of the device fixing bracket 1; the device fixing support 1 adjusts the installation height of the device fixing support on the counterweight guard rail 10 through oblong holes 103 at different positions. In the direction shown in fig. 2, the different surfaces of the device fixing bracket 1 are defined as a surface a and a surface B.
Specifically, in this embodiment, a B surface of the device fixing bracket 1 is provided with a bracket fixing hole 104; the device fixing bracket 1 is matched and fixed on the counterweight guard rail bracket 11 through the fastening piece 9 and the bracket fixing hole 104.
Specifically, in this embodiment, the B surface of the device fixing bracket 1 is further provided with an electrical switch bracket fixing hole 105; the device fixing bracket 1 is matched with the electric switch bracket fixing hole 105 through a fastener to install an electric switch fixing bracket 7; the relative heights of the electric switch fixing bracket 7 and the device fixing bracket 1 are adjusted along the vertical direction of the electric switch bracket fixing hole 105.
Specifically, in this embodiment, the electrical switch fixing bracket 7 is provided with an electrical switch fixing hole 71; the electric switch 8 is arranged on the electric switch fixing bracket 7 through the cooperation of a fastener and the electric switch fixing hole 71; adjusting the installation height of the electric switch in the vertical direction of the electric switch fixing hole 71; thereby increasing the adjustment range of the electric switch 8; the electric switch 8 is electrically connected with a safety circuit of the elevator system, the switch direction of the electric switch 8 is positioned right above the guide shaft 2 of the chain guide bracket, and a certain action gap is reserved between the electric switch 8 and the safety circuit.
Specifically, in this embodiment, the fastener is a bolt.
The working principle of the invention is as follows:
in the case of normal operation of the elevator, the car moves up and down on the guide rail 13, and the compensation chain 14 (connecting the counterweight 12 and the bottom of the car device, and performing weight compensation in the up-and-down operation of the counterweight and the car) is kept at a sufficient distance from the chain guide bracket guide shaft 2 without touching; the chain guide support guide shaft 2 is acted by the reset spring 5 and is positioned at the bottom of the guide hole 101 on the device fixing support 1, the electric switch 8 is in a normally open state, when one end of the counterweight 12 or the car of the elevator is detained, the other end device continues to operate and then drives the compensation chain 14 to integrally lift upwards, and finally the compensation chain 14 contacts the chain guide support guide shaft 2 of the compensation chain guide device, and the compensation chain 14 overcomes the tensile force of the reset spring 5 of the device to drive the chain guide support guide shaft 2 to move upwards along the guide hole 101 of the device fixing support 1, finally contacts the electric switch 8, the electric switch 8 acts to trigger a safety loop of the elevator, so that the elevator is suddenly stopped, and the safety of elevator passengers is ensured.
The invention has the functions of guiding the compensation chain 14 and preventing the collision of the compensation chain 14 and other parts, and can automatically reset the mechanical part device under the traction action of the reset spring 5 and has simple and reliable operation by the interlocking action of the directional movement of the chain guide bracket guide shaft 2 when the elevator is stopped in a counterweight or car device, triggering the safety switch of an electric appliance to ensure the safety of elevator passengers and solving the problem of elevator stopping. The device combines the structural innovation of the guide structure with the organic combination of the safety electric device, and has the safety protection function of detecting the retention condition of the elevator counterweight 12 and the elevator car device and triggering the elevator in time besides the guide function of the elevator compensation device.
The foregoing has described in detail the technical solutions provided by the embodiments of the present invention, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present invention, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present invention; meanwhile, as for those skilled in the art, according to the embodiments of the present invention, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present invention.
Claims (8)
1. The utility model provides a compensation chain guider of response elevator stay condition which characterized in that: comprises a device fixing bracket and a chain guide bracket guide shaft; the device fixing support is fixed on the counterweight guard rail through a fastener; the chain guide bracket guide shaft is arranged on the guide hole of the device fixing bracket; a limiting assembly is arranged on the outer contact surface of the chain guide support guide shaft and the device fixing support, and the limiting assembly is used for preventing the chain guide support guide shaft from sliding and falling off from the horizontal direction of the device fixing support; the chain guide bracket guide shaft slides in the guide hole of the device fixing bracket along the vertical direction; the device fixing bracket is provided with an electric switch; the switch direction of the electric switch is positioned right above the guide shaft of the chain guide bracket; the chain guide support guide shaft touches the switch of the electric appliance switch in the sliding process; the electrical switch is used for triggering a safety loop of the elevator; spring fixing structures are arranged at two ends of the guide shaft of the chain guide bracket; spring fixing holes are respectively formed in the symmetrically arranged device fixing brackets; the spring fixing structures at the two ends of the guide shaft of the chain guide support are respectively connected with the spring fixing holes through two return springs, and the two return springs are in a stretching state, so that the guide shaft of the chain guide support is positioned at the bottom of the guide hole to prevent misoperation of the guide shaft.
2. A compensation chain guide for handling elevator retention conditions according to claim 1, wherein: the limiting assembly comprises a guide shaft limiting ring and a cotter pin; the guide shaft limiting ring is sleeved at the end part of the guide shaft of the chain guide bracket; the cotter pin is inserted into the end part of the guide shaft of the chain guide bracket.
3. A compensation chain guide for handling elevator retention conditions according to claim 1, wherein: the middle part of the chain guide support guide shaft is provided with a hose for chain guide.
4. A compensation chain guide for handling elevator retention conditions according to claim 1, wherein: the A surface of the device fixing bracket is provided with a plurality of oblong holes in a arrayed manner; the device fixing support adjusts the installation height of the device fixing support on the counterweight guard rail through oblong holes in different positions.
5. A compensation chain guide for handling elevator retention conditions according to claim 1, wherein: the B surface of the device fixing bracket is provided with a bracket fixing hole; the device fixing support is fixed on the counterweight guard rail support through the cooperation of fastener and support fixed orifices.
6. A compensation chain guide for handling elevator retention conditions according to claim 1, wherein: the B surface of the device fixing bracket is also provided with an electric switch bracket fixing hole; the device fixing bracket is matched with the electric switch bracket fixing hole through a fastener and is provided with an electric switch fixing bracket; and adjusting the relative height of the electric switch fixing bracket and the device fixing bracket along the vertical direction of the electric switch bracket fixing hole.
7. A compensation chain guide for handling elevator retention conditions according to claim 1, wherein: the electric switch fixing bracket is provided with an electric switch fixing hole; the electric switch is arranged on the electric switch fixing bracket through the cooperation of the fastener and the electric switch fixing hole; and adjusting the installation height of the electric switch along the vertical direction of the electric switch fixing hole.
8. A compensation chain guide for handling elevator retention conditions according to any one of claims 1, 5, 6, 7, characterized in that: the fastener is a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210634486.9A CN114933222B (en) | 2022-06-06 | 2022-06-06 | Compensation chain guiding device for coping with elevator detention working condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210634486.9A CN114933222B (en) | 2022-06-06 | 2022-06-06 | Compensation chain guiding device for coping with elevator detention working condition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114933222A CN114933222A (en) | 2022-08-23 |
| CN114933222B true CN114933222B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210634486.9A Active CN114933222B (en) | 2022-06-06 | 2022-06-06 | Compensation chain guiding device for coping with elevator detention working condition |
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| CN (1) | CN114933222B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738817A (en) * | 2014-01-06 | 2014-04-23 | 日立电梯（中国）有限公司 | Safety protection system and safety protection method for traction of elevator |
| CN204643440U (en) * | 2015-05-21 | 2015-09-16 | 鑫诺电梯有限公司 | A kind of Novel elevator compensation chain guide type counterweight |
| CN207209673U (en) * | 2017-09-12 | 2018-04-10 | 江南嘉捷电梯股份有限公司 | A kind of elevator balanced chain guider |
| CN110240045A (en) * | 2019-05-27 | 2019-09-17 | 上海三菱电梯有限公司 | A kind of elevator device |
| CN214652853U (en) * | 2021-04-08 | 2021-11-09 | 湖北电梯厂有限公司 | Prevent compensation chain guider that breaks |
| CN214780096U (en) * | 2021-03-03 | 2021-11-19 | 上海市特种设备监督检验技术研究院 | Elevator compensation chain anti-swing and over-extension detection device |
-
2022
- 2022-06-06 CN CN202210634486.9A patent/CN114933222B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738817A (en) * | 2014-01-06 | 2014-04-23 | 日立电梯（中国）有限公司 | Safety protection system and safety protection method for traction of elevator |
| CN204643440U (en) * | 2015-05-21 | 2015-09-16 | 鑫诺电梯有限公司 | A kind of Novel elevator compensation chain guide type counterweight |
| CN207209673U (en) * | 2017-09-12 | 2018-04-10 | 江南嘉捷电梯股份有限公司 | A kind of elevator balanced chain guider |
| CN110240045A (en) * | 2019-05-27 | 2019-09-17 | 上海三菱电梯有限公司 | A kind of elevator device |
| CN214780096U (en) * | 2021-03-03 | 2021-11-19 | 上海市特种设备监督检验技术研究院 | Elevator compensation chain anti-swing and over-extension detection device |
| CN214652853U (en) * | 2021-04-08 | 2021-11-09 | 湖北电梯厂有限公司 | Prevent compensation chain guider that breaks |
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| Publication number | Publication date |
|---|---|
| CN114933222A (en) | 2022-08-23 |
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