CN221051273U - Elevator maintenance safety device with multiple protections - Google Patents

Elevator maintenance safety device with multiple protections Download PDF

Info

Publication number
CN221051273U
CN221051273U CN202322514909.6U CN202322514909U CN221051273U CN 221051273 U CN221051273 U CN 221051273U CN 202322514909 U CN202322514909 U CN 202322514909U CN 221051273 U CN221051273 U CN 221051273U
Authority
CN
China
Prior art keywords
fixedly connected
elevator
safety device
elevator maintenance
maintenance safety
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322514909.6U
Other languages
Chinese (zh)
Inventor
胡强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Jiaxin Hongyuan Technology Development Co ltd
Original Assignee
Jiangxi Jiaxin Hongyuan Technology Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Jiaxin Hongyuan Technology Development Co ltd filed Critical Jiangxi Jiaxin Hongyuan Technology Development Co ltd
Priority to CN202322514909.6U priority Critical patent/CN221051273U/en
Application granted granted Critical
Publication of CN221051273U publication Critical patent/CN221051273U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

The utility model discloses an elevator maintenance safety device with multiple protections, which comprises a base, wherein a groove is formed in the base, a top plate is arranged at the top end of the base, a motor is fixedly connected in the top plate, a hidden groove is formed in the top plate, a transmission rod is rotatably connected in the hidden groove, an output shaft of the motor is in transmission connection with the transmission rod, two ends of the outer side wall of the transmission rod are respectively connected with a threaded sleeve in a threaded manner, a push rod is fixedly connected to one side of the outer wall of the threaded sleeve, a fixing frame is arranged at one end of the push rod, and a friction block is fixedly connected to the outer side wall of the fixing frame. According to the elevator shaft, the friction between the friction block and the inner wall of the elevator shaft and the buffering of the spring, the non-Newtonian fluid and the damper when the elevator car falls down are adopted, so that the elevator shaft is effectively protected in multiple ways when the elevator car falls down due to unexpected conditions, and the personal safety of workers in the elevator shaft is ensured.

Description

Elevator maintenance safety device with multiple protections
Technical Field
The utility model relates to the technical field of maintenance safety devices, in particular to an elevator maintenance safety device with multiple protections.
Background
An elevator refers to a permanent transport device serving a number of specific floors within a building with its car running in at least two columns of rigid rails running perpendicular to the horizontal or inclined at an angle of less than 15 ° to the plumb line. Wherein the quality safety of the elevator is directly related to the life of passengers, when one elevator is installed and put into use, due to the limitation of installation and maintenance processes and the influence of using conditions and environment, various faults can be inevitably generated in the elevator, so that the subsequent maintenance or repair of the elevator is one of important measures for ensuring the safety of the passengers
A current elevator maintenance safety device, as described in the patent with publication number CN207483103U, comprises: the device comprises a base and a supporting seat, wherein a through hole is formed in the upper side surface of the base, a motor is arranged in the base, a rotating rod is arranged on the motor, a driving gear is arranged on the rotating rod, bearing seats are arranged at corner points in the base, a rotating shaft is connected to the bearing seats, a driven gear is arranged at the lower part of the rotating shaft, a moving part is arranged at the upper part of the rotating shaft, and the moving part comprises a nut and a supporting sleeve; the end part of the upper side of the base is provided with a containing box, a winding rod is arranged in the containing box, a rubber pad is wound on the winding rod, and the bottom surface of the base is provided with a self-locking wheel; an LED lamp is arranged on the inner wall of the supporting seat. The utility model can be supported at the bottom of the motor car, and can quickly adjust the height of the car, thereby being convenient for maintenance personnel to lie on the base to maintain the bottom of the car and ensuring the safety of the maintenance personnel; the device has simple structure, convenient operation, safety, reliability and low manufacturing cost.
In view of the above-mentioned related art, the applicant believes that when an elevator maintenance safety maintenance device worker maintains the bottom of an elevator shaft, an effective buffer device is not provided, an elevator car is usually in a suspended or supported state, and when a work demand needs the elevator car to be in a suspended state, if the elevator car in the suspended state falls, the risk of personal safety is caused to the worker in maintenance when effective buffering is not performed.
Disclosure of utility model
The utility model aims to provide an elevator maintenance safety device with multiple protections, which solves the problems that in the prior art, when a worker maintains the bottom of an elevator shaft, an effective buffer device is not arranged, an elevator car is usually in a suspended or supported state, when the elevator car is in a suspended state when working requirements are met, if the elevator car in the suspended state falls, personal safety hazard is caused to the worker in maintenance when effective buffering is not carried out.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an elevator maintenance safety device with multiple protection, includes the base, the inside of base is seted up flutedly, the top of base is provided with the roof, the inside fixedly connected with motor of roof, the blind groove has been seted up to the inside of roof, the inside rotation of blind groove is connected with the transfer line, the transmission is connected between the output shaft of motor and the transfer line, the equal threaded connection in both ends of transfer line lateral wall has the thread bush, one side fixedly connected with push rod of thread bush outer wall, the one end of push rod is provided with the mount, the lateral wall fixedly connected with friction block of mount.
By adopting the technical scheme, the friction force during falling can be increased when the elevator car falls down.
Preferably, both ends at base top all are provided with the fixed plate, every group the fixed plate is provided with two, every two fixedly connected with attenuator between the fixed plate, the lateral wall cover of attenuator is equipped with the spring, the inside of fixed plate is filled with non-Newtonian fluid.
By adopting the technical scheme, the falling force of the elevator car can be effectively buffered.
Preferably, the transmission rod is a bidirectional threaded rod.
By adopting the technical scheme, the two-way movement of the two thread sleeves can be realized.
Preferably, a clamping plate is arranged on one side, away from the friction block, of the fixing frame, a clamping groove for being inserted in front and back of the clamping plate is formed in the fixing frame, first clamping blocks are fixedly connected to two ends of the inner side wall of the clamping groove, and second clamping blocks which are clamped with the first clamping blocks are fixedly connected to two ends of the outer side wall of the clamping plate.
Through adopting above-mentioned technical scheme, can realize dismantling and changing the friction disc.
Preferably, the second clamping block and the first clamping block are both made of plastic materials.
Through adopting above-mentioned technical scheme, can realize the fixed to the friction block through the plastic deformation between first joint piece and the second joint piece.
Preferably, one end of the spring is fixedly connected with the bottom end of one fixing plate, and the other end of the spring is fixedly connected with the top end of the other fixing plate.
Through adopting above-mentioned technical scheme, can play fixed effect to the spring.
Preferably, the top end of the threaded sleeve is fixedly connected with a sliding block, and a sliding groove for supplying the sliding block to slide is formed in the top plate.
Through adopting above-mentioned technical scheme, can carry out spacingly to the removal of thread bush.
Compared with the prior art, the utility model has the beneficial effects that:
Firstly, through being provided with a fixed plate, a fixed frame, a motor, a transmission rod, non-Newtonian fluid, a clamping plate, a first clamping block, a friction block, a clamping groove, a push rod, a thread bush, a spring, a damper and a sliding block, the elevator car is buffered when the elevator car falls down through friction between the friction block and the inner wall of the elevator shaft and through the friction between the spring, the non-Newtonian fluid and the damper, the elevator car is effectively protected in multiple ways when the elevator car falls down due to unexpected conditions, and the personal safety of staff during maintenance in the elevator shaft is ensured;
Secondly, through being provided with joint board, first joint piece, joint groove and second joint piece, joint between first joint piece and the second joint piece is convenient for friction block wearing and tearing after serious, in time changes, avoids influencing normal use, and then has improved the holistic practicality of device.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic diagram of a motor and drive rod transmission structure according to the present utility model;
FIG. 3 is a schematic view of a spring and mounting plate connection structure according to the present utility model;
fig. 4 is a schematic diagram of a clamping structure of a second clamping block and a first clamping block according to the present utility model.
In the figure: 1. a base; 2. a fixing plate; 3. a fixing frame; 4. a top plate; 5. a motor; 6. a hidden groove; 7. a transmission rod; 8. a non-newtonian fluid; 9. a groove; 10. a clamping plate; 11. a first clamping block; 12. a friction block; 13. a clamping groove; 14. a second clamping block; 15. a push rod; 16. a slide block; 17. a thread sleeve; 18. a spring; 19. a damper.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is described in further detail below with reference to fig. 1-4.
Referring to fig. 1, 2 and 4, an embodiment of the present utility model is provided: the utility model provides an elevator maintenance safety device with multiple protection, including base 1, recess 9 has been seted up to the inside of base 1, the inside of recess 9 is provided with elevating gear, elevating gear includes hydraulic press and bracing piece, realize the lift treatment to the device top through the cooperation of hydraulic press and bracing piece, the top of base 1 is provided with roof 4, the inside fixedly connected with motor 5 of roof 4, the blind groove 6 has been seted up to the inside of roof 4, the inside rotation of blind groove 6 is connected with transfer line 7, transfer line 7 is two-way threaded rod, the transmission connection between the output shaft of motor 5 and transfer line 7, the both ends of transfer line 7 lateral wall all threaded connection has thread bush 17, the top fixedly connected with slider 16 of thread bush 17, the spout that supplies to slide in slider 16 slides is seted up to the inside of roof 4, one side fixedly connected with push rod 15 of thread bush 17 outer wall, one end of push rod 15 is provided with mount 3, the lateral wall fixedly connected with friction block 12 of mount 3;
When maintaining the bottom of elevator shaft, remove the device to the position of elevator shaft, then control elevating system with roof 4 lifting to the height of needs, then maintain the bottom of elevator shaft can, and when elevator car unsettled emergence falls, the elevator car can fall fast in the inside of elevator shaft, the staff starts motor 5 immediately, through the output shaft control transfer line 7 of motor 5, and rotate through transfer line 7, drive screw thread cover 17 and slider 16 in the inside gliding of roof 4, simultaneously drive push rod 15 in step, mount 3 and friction piece 12 are moved to both ends in the inside of blind groove 6, until the lateral wall of friction piece 12 produces the butt with the inside wall of elevator shaft, thereby improve the frictional force when roof 4 descends, and then when the elevator car smashes the top of roof 4 and cause it to sit down, can carry out effectual buffering through the frictional force between friction piece 12 and the elevator shaft, when friction piece 12 takes place, can continue to receive the promotion of push rod 15, make friction piece 12 unanimous be in the state with the shaft butt, thereby effectively drop to the elevator shaft, the time of switching the time of the elevator shaft is enough, the elevator car is carried out to the switching of the life of elevator shaft, the personnel's of the safety and the personnel is lost when the elevator shaft is carried out, the safety is avoided in the life of the personnel is lost.
Referring to fig. 1 and 3, two ends of the top of the base 1 are respectively provided with a fixing plate 2, each group of fixing plates 2 is provided with two fixing plates 2, a damper 19 is fixedly connected between each two fixing plates 2, a spring 18 is sleeved on the outer side wall of each damper 19, a non-newton fluid 8 is filled in each fixing plate 2, one end of each spring 18 is fixedly connected with the bottom end of one fixing plate 2, the other end of each spring 18 is fixedly connected with the top end of the other fixing plate 2, when a falling elevator car is buffered, the falling elevator car is crashed to the top of the top plate 4, the top plate 4 moves downwards and synchronously pushes the fixing plates 2 downwards, so that the springs 18 and the dampers 19 are extruded while the fixing plates 2 move downwards, meanwhile, the non-newton fluid 8 is subjected to sudden pressure and then effectively buffered, the speed and impact force of the elevator car are reduced, and safety of workers in maintenance in an elevator well is further improved through various effective protections.
Referring to fig. 2 and 4, a clamping plate 10 is disposed on one side of the fixing frame 3 away from the friction block 12, a clamping groove 13 for inserting the clamping plate 10 back and forth is disposed in the fixing frame 3, two ends of an inner side wall of the clamping groove 13 are fixedly connected with a first clamping block 11, two ends of an outer side wall of the clamping plate 10 are fixedly connected with a second clamping block 14 clamped with the first clamping block 11, the second clamping block 14 and the first clamping block 11 are made of plastic materials, when the friction block 12 is replaced, after the device is removed from the elevator shaft, the motor 5 is controlled to remove the clamping plate 10 and the friction block 12 from the interior of the hidden groove 6, then the fixing frame 3 is pulled forward, the friction block 12 is synchronously driven to move through the movement of the fixing frame 3, and the second clamping block 14 and the first clamping block 11 are plastically deformed in the interior of the clamping groove 13 until the clamping plate 10 is completely separated from the interior of the clamping groove 13, the friction block 12 is replaced conveniently, the friction block 12 is replaced in time, and the whole practicability is improved, and the practicability of the device is further improved.
Working principle: firstly, when the bottom of an elevator shaft is maintained, a device is moved to the position of the elevator shaft, then a lifting mechanism is controlled to lift a top plate 4 to a required height, then the bottom of the elevator shaft is maintained, when an elevator car is suspended and falls, the elevator car can fall rapidly in the elevator shaft, a worker starts a motor 5 immediately, a transmission rod 7 is controlled to rotate through an output shaft of the motor 5, and the transmission rod 7 rotates to drive a thread bush 17 and a sliding block 16 to slide in the top plate 4, simultaneously, a push rod 15, a fixing frame 3 and a friction block 12 are synchronously driven to move towards two ends in a blind groove 6 until the outer side wall of the friction block 12 is abutted against the inner side wall of the elevator shaft, so that the friction force when the top plate 4 falls down is improved, the elevator car can be effectively buffered through the friction force between the friction block 12 and the elevator shaft when the elevator car is in a landing, the friction block 12 can be continuously pushed by the push rod 15 when the friction block 12 is in a state of being in contact with the elevator shaft, the elevator shaft is effectively switched from the falling down state to the state, the safety of the elevator shaft is avoided, and the safety of the worker is further prevented from being injured when the elevator shaft is switched to the state of the elevator shaft is in a state;
Secondly, when the falling elevator car is buffered, after the falling elevator car is crashed to the top of the top plate 4, the top plate 4 moves downwards and simultaneously pushes the fixed plate 2 downwards, so that the fixed plate 2 moves downwards and simultaneously extrudes the spring 18 and the damper 19, meanwhile, the non-Newtonian fluid 8 receives sudden pressure and then effectively buffers the pressure, thereby reducing the speed and impact force of the elevator car during the falling, and further improving the safety of workers during the maintenance in an elevator shaft through various effective protections;
finally, when the friction block 12 is replaced, the device is moved out of the elevator shaft, the control motor 5 moves the clamping plate 10 and the friction block 12 out of the blind groove 6, then the fixing frame 3 is pulled forwards, the friction block 12 is synchronously driven to move through the movement of the fixing frame 3, and the second clamping block 14 and the first clamping block 11 are subjected to plastic deformation in the clamping groove 13 until the clamping plate 10 is completely separated from the clamping groove 13, so that the friction block 12 is replaced, the friction block 12 is replaced in time after being severely worn, normal use is avoided, and the whole practicality of the device is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. Elevator maintenance safety device with multiple protections, comprising a base (1), characterized in that: the inside of base (1) has seted up recess (9), the top of base (1) is provided with roof (4), the inside fixedly connected with motor (5) of roof (4), the inside of roof (4) has seted up hidden groove (6), the inside rotation of hidden groove (6) is connected with transfer line (7), the transmission is connected between the output shaft of motor (5) and transfer line (7), both ends of transfer line (7) lateral wall equal threaded connection has thread bush (17), one side fixedly connected with push rod (15) of thread bush (17) outer wall, the one end of push rod (15) is provided with mount (3), the lateral wall fixedly connected with friction block (12) of mount (3).
2. An elevator maintenance safety device with multiple protections according to claim 1, characterized in that: the novel anti-vibration device is characterized in that fixing plates (2) are arranged at two ends of the top of the base (1), two fixing plates (2) are arranged in each group, a damper (19) is fixedly connected between each two fixing plates (2), springs (18) are sleeved on the outer side walls of the dampers (19), and non-Newtonian fluid (8) is filled in the fixing plates (2).
3. An elevator maintenance safety device with multiple protections according to claim 1, characterized in that: the transmission rod (7) is a bidirectional threaded rod.
4. An elevator maintenance safety device with multiple protections according to claim 1, characterized in that: one side that friction block (12) was kept away from to mount (3) is provided with joint board (10), joint groove (13) of pegging graft around joint board (10) are offered to the inside of mount (3), the equal fixedly connected with first joint piece (11) in both ends of joint groove (13) inside wall, the equal fixedly connected with in both ends of joint board (10) lateral wall second joint piece (14) with first joint piece (11) looks joint.
5. An elevator maintenance safety device with multiple safeguards according to claim 4, wherein: the second clamping block (14) and the first clamping block (11) are made of plastic materials.
6. An elevator maintenance safety device with multiple protections according to claim 2, characterized in that: one end of the spring (18) is fixedly connected with the bottom end of one fixed plate (2), and the other end of the spring (18) is fixedly connected with the top end of the other fixed plate (2).
7. An elevator maintenance safety device with multiple protections according to claim 1, characterized in that: the top end of the thread bush (17) is fixedly connected with a sliding block (16), and a sliding groove which is supplied to the sliding block (16) in a sliding mode is formed in the top plate (4).
CN202322514909.6U 2023-09-15 2023-09-15 Elevator maintenance safety device with multiple protections Active CN221051273U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322514909.6U CN221051273U (en) 2023-09-15 2023-09-15 Elevator maintenance safety device with multiple protections

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322514909.6U CN221051273U (en) 2023-09-15 2023-09-15 Elevator maintenance safety device with multiple protections

Publications (1)

Publication Number Publication Date
CN221051273U true CN221051273U (en) 2024-05-31

Family

ID=91225891

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322514909.6U Active CN221051273U (en) 2023-09-15 2023-09-15 Elevator maintenance safety device with multiple protections

Country Status (1)

Country Link
CN (1) CN221051273U (en)

Similar Documents

Publication Publication Date Title
CN110510472B (en) A damping device that falls is prevented to building elevator for wisdom building
CN101948062B (en) Roller friction-driven elevator with carrier type cabin
CN111017674B (en) Elevator car with emergent function of preventing weighing down
US11840424B2 (en) Running system for elevator, and multi-car elevator running system
CN221051273U (en) Elevator maintenance safety device with multiple protections
CN201825619U (en) Bracket-type car roller friction drive elevator
CN114084770B (en) Elevator car anti-falling device capable of avoiding falling stall
CN217730444U (en) Mining fixed buffering car arrester
CN213864917U (en) Elevator buffer
CN215364353U (en) Anti-falling safety device for elevator inspection
CN217172851U (en) Elevator bottom damping device
CN212315247U (en) Operation auxiliary mechanism for ensuring stable lifting of elevator
CN212801155U (en) Setting-out device convenient for setting-out of highway construction
CN114852819A (en) Sheet-mounted hoistway construction elevator
CN209758931U (en) Lifting mechanism
CN219859986U (en) Elevator stall protection device
CN111332900A (en) Layer-by-layer buffer mechanism of foundation-pit-free elevator
CN222023865U (en) Elevator maintenance installation and maintenance device
CN215971967U (en) Prevent rotatory overspeed ship anchor chain base
CN221625537U (en) Elevator pit overhauling device
CN219636668U (en) Multi-angle adjusting device for hoistway elevator construction
CN221680482U (en) Steel wire rope tensioning device of elevator speed limiter
CN221093296U (en) Anti-collision supporting device for elevator maintenance
CN114436158B (en) Automobile maintenance lifting machine
CN221517308U (en) Maintenance rust removing device for elevator guide rail

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant