CN221070560U - Side-mounted explosion-proof elevator speed limiter - Google Patents

Side-mounted explosion-proof elevator speed limiter Download PDF

Info

Publication number
CN221070560U
CN221070560U CN202323035193.8U CN202323035193U CN221070560U CN 221070560 U CN221070560 U CN 221070560U CN 202323035193 U CN202323035193 U CN 202323035193U CN 221070560 U CN221070560 U CN 221070560U
Authority
CN
China
Prior art keywords
elevator
wire rope
speed limiter
steel wire
speed
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
CN202323035193.8U
Other languages
Chinese (zh)
Inventor
武廷军
乔乾兴
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.)
Shanghai Sanei Elevator Co ltd
Original Assignee
Shanghai Sanei Elevator 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 Shanghai Sanei Elevator Co ltd filed Critical Shanghai Sanei Elevator Co ltd
Priority to CN202323035193.8U priority Critical patent/CN221070560U/en
Application granted granted Critical
Publication of CN221070560U publication Critical patent/CN221070560U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The application relates to a side-mounted explosion-proof elevator speed limiter which comprises an elevator car, a steel wire rope, a hoistway top diverting pulley and a tensioning pulley, wherein the elevator car is connected to the steel wire rope, the steel wire rope is wound on the hoistway top diverting pulley and the tensioning pulley, the elevator car is positioned between the hoistway top diverting pulley and the tensioning pulley, a speed limiting component for limiting the speed of the elevator car is further arranged on the steel wire rope, and the speed limiting component is positioned in the horizontal direction of an elevator hoistway. The elevator speed limiter has the effect of being convenient for operators to operate and maintain the elevator speed limiter.

Description

Side-mounted explosion-proof elevator speed limiter
Technical Field
The application relates to the technical field of explosion-proof elevators, in particular to a side-mounted explosion-proof elevator speed limiter.
Background
In some places such as factories, electric towers and refrigeration houses which have strict requirements on explosion-proof standards, the traditional elevator cannot meet the explosion-proof requirements, so that a special explosion-proof elevator is usually installed in an elevator shaft, an elevator speed limiter is installed to protect the elevator when the explosion-proof elevator is installed, the elevator speed limiter is usually installed at the top of the elevator shaft, but the explosion-proof elevator is required to treat more explosion-proof association problems, the elevator speed limiter installed at the top of the elevator shaft can make maintenance and manual reset difficult, unstable elevator operation caused by improper solution is avoided, and accident potential is left.
Disclosure of Invention
The application provides a side-mounted explosion-proof elevator speed limiter which is convenient for operators to operate and maintain the elevator speed limiter.
The application provides a side-mounted explosion-proof elevator speed limiter, which adopts the following technical scheme:
The utility model provides an explosion-proof elevator overspeed governor of side formula, includes elevator car, wire rope, well top diverting pulley, rises the tight pulley, elevator car connects wire rope is last, wire rope winds and establishes well top diverting pulley with rise on the tight pulley, elevator car is located well top diverting pulley with rise between the tight pulley, still be provided with on the wire rope and be used for right elevator car speed limit's speed limit subassembly, speed limit subassembly is located the horizontal direction of elevator well.
Through adopting above-mentioned technical scheme, set up speed limiting assembly on elevator well's horizontal direction, the staff can be in the computer lab of horizontal direction to the elevator overspeed governor operation and maintenance, need not the staff and climb the top in the well and operate and maintain, facilitate the use.
Preferably, the speed limiting assembly comprises a speed limiter and a rope clamping device, the rope clamping device is used for clamping the steel wire rope, the steel wire rope is wound on the speed limiter, and the speed limiter is used for driving the rope clamping device to clamp the steel wire rope.
By adopting the technical scheme, under the condition that the elevator car stalls upwards, the speed limiter drives the rope clamping device to clamp the traction steel wire rope, so that the elevator car is prevented from stalling upwards, and the occurrence of an elevator roof fall accident is eliminated.
Preferably, the rope clamp comprises two wedges and a flexible shaft, the two wedges are connected through the flexible shaft, and the speed limiter can drive the flexible shaft to rotate and enable the two wedges to clamp the steel wire rope.
By adopting the technical scheme, under the condition that the elevator car stalls upwards, the speed limiter drives the flexible shaft to rotate, so that the two wedge blocks are close to each other and clamp the traction steel wire rope, and the rope clamping effect of the rope clamping device is realized.
Preferably, a transition wheel is arranged on the steel wire rope.
Through adopting above-mentioned technical scheme, through the setting of transition wheel, can adjust the mounted position of speed limiting subassembly through the transition wheel, share a part atress simultaneously.
Preferably, the transition wheel is provided with a plurality of, and the wire rope winds around the transition wheel.
Through adopting above-mentioned technical scheme, through the setting of a plurality of transition wheels, the atress on every transition wheel can be shared to a plurality of transition wheels, and can adjust the mounted position of speed limiting subassembly by the layout mode of a plurality of different transition wheels.
Preferably, three transition wheels are arranged, and the steel wire rope sequentially winds one transition wheel, one speed limiter and two transition wheels.
Through adopting above-mentioned technical scheme, through the setting of three transition wheels, shared the atress on every transition wheel, be convenient for set up the overspeed governor on the horizontal direction of elevator well.
Preferably, the speed limiter is located on the upper side of the transition wheel.
Through adopting above-mentioned technical scheme, the overspeed governor is located transition wheel upside for wire rope winds through the overspeed governor upside all the time and establishes, has increased the compactness of wire rope and overspeed governor laminating, and the overspeed governor normal use of being convenient for.
Preferably, safety tongs are arranged on the elevator car.
Through adopting above-mentioned technical scheme, through the setting of safety tongs, wire rope on the overspeed governor passes through the safety tongs pull rod on the wire rope sheave group hookup elevator car, under the condition that elevator car was stall downwards, pulls safety tongs through overspeed governor wire rope for the safety tongs action prevents elevator car stall whereabouts, guarantees the safety of elevator car inside manned or article.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The speed limiting assembly is arranged on the horizontal direction of the elevator shaft, a worker can observe the elevator speed limiter in a machine room in the horizontal direction, the operation and the maintenance are convenient, the worker does not need to climb to the inner top of the shaft to operate and maintain, and the speed limiter is external, and the explosion suppression treatment is not needed for the electromagnet of the speed limiter, so that the elevator speed limiter is convenient to use;
2. Through the arrangement of the rope clamping device, when the elevator car stalls upwards, the speed limiter drives the flexible shaft to rotate, so that the two wedge blocks are close to each other and clamp the traction steel wire rope, the elevator car is prevented from stalling upwards, and the occurrence of elevator roof fall accidents is eliminated;
3. Through the setting of safety tongs, wire rope on the overspeed governor passes through the safety tongs pull rod on the wire rope sheave group hookup elevator car, under the condition that elevator car stalled downwards, pulls the safety tongs through overspeed governor wire rope for the safety tongs action prevents elevator car stall whereabouts, guarantees the safety of elevator car inside manned or article.
Drawings
FIG. 1 is a schematic diagram of a general structure in which embodiments of the present application are primarily embodied; .
Reference numerals: 1. an elevator car; 2. a wire rope; 3. a hoistway top diverting pulley; 4. a tensioning wheel; 5. a speed limiting assembly; 51. a speed limiter; 52. a rope gripper; 521. wedge blocks; 522. a flexible shaft; 6. a transition wheel; 7. safety tongs.
Detailed Description
The present application will be described in further detail with reference to fig. 1.
The embodiment of the application discloses a side-mounted explosion-proof elevator speed limiter.
As shown in fig. 1, a side-mounted anti-explosion elevator speed limiter comprises an elevator car 1, a steel wire rope 2, a hoistway top diverting pulley 3 and a tensioning pulley 4, wherein the hoistway top diverting pulley 3 is arranged at the top end in an elevator hoistway, the tensioning pulley 4 is arranged at the bottom end in the elevator hoistway, the elevator car 1 is positioned between the hoistway top diverting pulley 3 and the tensioning pulley 4 and moves in the elevator hoistway, the steel wire rope 2 is connected to the elevator car 1, the steel wire rope 2 is wound on the hoistway top diverting pulley 3 and the tensioning pulley 4, the elevator car 1 moves along with the movement of the steel wire rope 2, a speed limiting component 5 for limiting the speed of the elevator car 1 is further arranged on the steel wire rope 2, the speed limiting component 5 is positioned in the horizontal direction of the elevator hoistway, the speed limiting component 5 is arranged in an external machine room, the speed limiting component 5 comprises a speed limiter 51 and a rope clamping device 52, and the speed limiter 51 is arranged in the external machine room, and can be operated only in the external machine room when a worker needs to manually operate or maintain the speed limiter 51, and is convenient to observe; the steel wire rope 2 is wound on the speed limiter 51, the rope clamping device 52 is also arranged in an external machine room, the rope clamping device 52 comprises wedge blocks 521 and flexible shafts 522, the two wedge blocks 521 are arranged, the flexible shafts 522 connect the two wedge blocks 521, the two wedge blocks 521 can be attached to and clamp the steel wire rope 2 along with the rotation of the flexible shafts 522, the speed limiter 51 can drive the flexible shafts 522 to rotate, and under the condition that the elevator car 1 stalls upwards, the speed limiter 51 can drive the flexible shafts 522 to rotate, so that the two wedge blocks 521 are mutually close to each other and clamp the traction steel wire rope 2, the elevator car 1 is prevented from stalling upwards, and the occurrence of elevator roof fall accidents is eliminated; the safety tongs 7 are arranged on the elevator car 1, the steel wire ropes 2 on the speed limiters 51 are connected with the pull rods of the safety tongs 7 through the steel wire rope 2 wheel groups, and under the condition that the elevator car 1 stalls downwards, the safety tongs 7 are pulled through the steel wire ropes 2 of the speed limiters 51, so that the safety tongs 7 act, the elevator car 1 is prevented from stalling and falling, and the safety of people or articles loaded inside the elevator car 1 is ensured.
As shown in fig. 1, the steel wire rope 2 is provided with transition wheels 6, the transition wheels 6 are provided with three, the three transition wheels 6 are all installed in an external machine room, the steel wire rope 2 is sequentially wound on one transition wheel 6, one speed limiter 51 and two transition wheels 6, the installation position of the speed limiter 51 is higher than the installation position of the three transition wheels 6, the steel wire rope 2 passes through the winding of the transition wheels 6, the transition wheels 6 can distribute stress, the stress of the speed limiter 51 is reduced, and the installation position of the speed limiter 51 in the external machine room is convenient to adjust through the arrangement of the transition wheels 6, so that the whole system is stable and reliable.
The implementation principle of the embodiment of the application is as follows: when the elevator speed limiter is put into practical use, as the elevator speed limiter 51 is arranged on the horizontal direction of the elevator shaft, the elevator speed limiter can be conveniently operated and maintained by a worker only by entering an external machine room for operation when the worker overhauls and manually operates the elevator speed limiter 51.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. A side-mounted explosion-proof elevator speed limiter is characterized in that: including elevator car (1), wire rope (2), well top diverting pulley (3), tight pulley (4) rises, elevator car (1) is connected on wire rope (2), wire rope (2) are around establishing well top diverting pulley (3) with on tight pulley (4) rises, elevator car (1) is located well top diverting pulley (3) with between tight pulley (4) rises, still be provided with on wire rope (2) and be used for right speed limiting subassembly (5) of elevator car (1) speed limit, speed limiting subassembly (5) are located the horizontal direction of elevator well.
2. A side-mounted explosion-proof elevator governor according to claim 1, characterized in that: the speed limiting assembly (5) comprises a speed limiter (51) and a rope clamping device (52), the rope clamping device (52) is used for clamping the steel wire rope (2), the steel wire rope (2) is wound on the speed limiter (51), and the speed limiter (51) is used for driving the rope clamping device (52) to clamp the steel wire rope (2).
3. A side-mounted explosion-proof elevator governor according to claim 2, characterized in that: the rope clamp (52) comprises wedge blocks (521) and flexible shafts (522), the two wedge blocks (521) are arranged, the two wedge blocks (521) are connected through the flexible shafts (522), and the speed limiter (51) can drive the flexible shafts (522) to rotate and enable the two wedge blocks (521) to clamp the steel wire rope (2).
4. A side-mounted explosion-proof elevator governor according to claim 2, characterized in that: and a transition wheel (6) is arranged on the steel wire rope (2).
5. The side-mounted explosion-proof elevator speed limiter of claim 4, wherein: the transition wheel (6) is provided with a plurality of steel wire ropes (2) which are wound on the transition wheel (6).
6. The side-mounted explosion-proof elevator speed limiter of claim 5, wherein: the transition wheels (6) are three, and the steel wire rope (2) sequentially winds one transition wheel (6), one speed limiter (51) and two transition wheels (6).
7. The side-mounted explosion-proof elevator speed limiter of claim 4, wherein: the speed limiter (51) is positioned on the upper side of the transition wheel (6).
8. A side-mounted explosion-proof elevator governor according to claim 1, characterized in that: the elevator car (1) is provided with safety tongs (7).
CN202323035193.8U 2023-11-09 2023-11-09 Side-mounted explosion-proof elevator speed limiter Active CN221070560U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323035193.8U CN221070560U (en) 2023-11-09 2023-11-09 Side-mounted explosion-proof elevator speed limiter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323035193.8U CN221070560U (en) 2023-11-09 2023-11-09 Side-mounted explosion-proof elevator speed limiter

Publications (1)

Publication Number Publication Date
CN221070560U true CN221070560U (en) 2024-06-04

Family

ID=91265681

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323035193.8U Active CN221070560U (en) 2023-11-09 2023-11-09 Side-mounted explosion-proof elevator speed limiter

Country Status (1)

Country Link
CN (1) CN221070560U (en)

Similar Documents

Publication Publication Date Title
CN209922684U (en) Elevator auxiliary lifting device
CN203699606U (en) Lifter and iron tower
KR102215908B1 (en) Super-size lift having counterweight and plural rack and pinion and emergency stop safety apparatus
CN201276407Y (en) Manned electric riser
CN221070560U (en) Side-mounted explosion-proof elevator speed limiter
CN107892227B (en) Safety elevator capable of preventing high-speed falling
CN112723084B (en) Rescue facility for handling emergency stop fault of elevator
CN110171759A (en) One kind having machine room elevator method for dismounting
CN201132717Y (en) Single-column and single-cage elevator driven by drawing
CN207483225U (en) A kind of wind-proof tower crane of personnel's emergency escape easy to operation
CN201473146U (en) Trackless elevator
CN214192153U (en) Closed loop elevator
CN214364873U (en) Lifting and hanging device of climbing frame for building
CN101648664B (en) Trackless lift
CN209974041U (en) Elevator capable of reducing roof construction amount
CN207596271U (en) A kind of elevator with Anti-falling safety belt
CN2316382Y (en) Double safety double basket elevator
CN2692116Y (en) Construction lifter
CN112678653A (en) Transmission method of closed loop type lifter and closed loop type lifter
CN101672101A (en) One-drive multi-hoisting-point hoisting system
CN215248890U (en) Safety protection device for preventing human body from falling into elevator shaft
CN204873350U (en) Elevator without motor room
JP2003238044A (en) Safety device for elevator
CN219173983U (en) Bidirectional speed limiting braking device for elevator anti-impact roof anti-falling
CN108545586A (en) Elevator counterweight and car automatic-balancing system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant