CN113844987A - Elevator car self-locking device convenient to maintain - Google Patents

Elevator car self-locking device convenient to maintain Download PDF

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Publication number
CN113844987A
CN113844987A CN202111036185.8A CN202111036185A CN113844987A CN 113844987 A CN113844987 A CN 113844987A CN 202111036185 A CN202111036185 A CN 202111036185A CN 113844987 A CN113844987 A CN 113844987A
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CN
China
Prior art keywords
frame
car
positioning
limiting
maintenance
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Granted
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CN202111036185.8A
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Chinese (zh)
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CN113844987B (en
Inventor
李铮
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Jiangsu Chuangli Elevator Parts Co ltd
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Jiangsu Chuangli Elevator Parts Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
    • B66B11/0266—Passive systems
    • B66B11/0273—Passive systems acting between car and supporting frame
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

The invention provides an elevator car self-locking device convenient to maintain, which comprises an elevator shaft, limiting blocks, a car, a suspension bracket and a suspension steel wire rope, wherein the limiting blocks are sequentially arranged at the left side and the right side of the elevator shaft from top to bottom; the car is arranged on the inner side of the elevator shaft; the suspension bracket is arranged at the middle upper part of the lift car; the suspension steel wire rope is arranged at the upper part of the suspension bracket, and ventilation pipes are embedded at four corners of the middle upper part of the car; the upper part of the inner side of the car is provided with a top reinforcing frame structure; the inside left and right sides of top reinforcing frame structure install spacing buffering frame structure. The buffer spring is sleeved at the lower part of the outer side of the positioning rod, so that the fixed inserting frame can be tightly pushed by the buffer spring when in use, a certain buffering effect can be achieved when the transverse limiting frame is in contact with the limiting block, and great influence on people in the lift car can be avoided.

Description

Elevator car self-locking device convenient to maintain
Technical Field
The invention belongs to the technical field of elevator car self-locking, and particularly relates to an elevator car self-locking device convenient to maintain.
Background
An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed elevator apparatus serving a predetermined floor. The vertical lift elevator has a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °. The size and the structural form of the car are convenient for passengers to access or load and unload goods. It is customary to use elevators as a generic term for vertical transport means in buildings, irrespective of their drive mode. According to the speed, the elevator can be divided into a low-speed elevator (below 4 m/s), a high-speed elevator (4-12 m/s) and a high-speed elevator (above 12 m/s). The hydraulic elevator begins to appear in the middle of the 19 th century and is still applied to low-rise buildings until now. In 1852, e.g. austs in the united states developed a safety hoist for wire rope hoisting. In the 80 s, further improvements were made to the drive means, such as motors driving the winding drum via a worm drive, the use of counterweights, etc. At the end of the 19 th century, friction wheel transmission is adopted, and the lifting height of the elevator is greatly increased.
But current elevator car self-lock device has not possessed and plays the cushioning effect to spacing, and inconvenient overhauls the maintenance in spacing, spacing stretches out inconvenient fixed and to spacing poor problem of fixed effect.
Therefore, the invention is necessary to provide an elevator car self-locking device which is convenient to maintain.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the invention provides an elevator car self-locking device convenient to maintain, which aims to solve the problems that the existing elevator car self-locking device does not have a buffering effect on a limiting frame, is inconvenient to maintain in the limiting frame, is inconvenient to fix after the limiting frame extends out, and has poor fixing effect on the limiting frame. An elevator car self-locking device convenient to maintain comprises an elevator shaft, limiting blocks, a car, a suspension bracket and a suspension steel wire rope, wherein the limiting blocks are sequentially arranged on the left side and the right side of the elevator shaft from top to bottom; the car is arranged on the inner side of the elevator shaft; the suspension bracket is arranged at the middle upper part of the lift car; the suspension steel wire rope is arranged at the upper part of the suspension bracket, and ventilation pipes are embedded at four corners of the middle upper part of the car; the upper part of the inner side of the car is provided with a top reinforcing frame structure; the left side and the right side of the inside of the top reinforcing frame structure are provided with limiting buffer frame structures; the upper part of the limiting buffer frame structure is provided with an automatic positioning frame structure; a ventilating maintenance frame structure convenient to disassemble is arranged on the lower side of the top reinforcing frame structure; the inner wall of the lift car is provided with a mounting frame through screws; the processor is installed on the inner side of the installation frame through screws; an alarm switch is arranged on the outer side of the mounting frame; the limiting buffer frame structure comprises a fixed inserting frame, and a transverse limiting frame is inserted into the left side of the inside of the fixed inserting frame; a limiting clamping groove is formed in the right side of the upper part of the transverse limiting frame; a fixing plate is arranged on the right bolt of the fixed inserting frame; a pushing cylinder is mounted on a middle bolt of the fixing plate, and a piston rod of the pushing cylinder is connected with one side of the transverse limiting frame through a bolt; and positioning rods are welded at four corners of the upper part of the fixed inserting frame.
Preferably, the top reinforcing frame structure comprises a transverse frame, and the transverse frame is mounted on the upper part of the inner side of the car through bolts; the four corners of the left upper side of the transverse frame and the four corners of the right upper side of the transverse frame are respectively provided with an upper side positioning hole; i-shaped reinforcing frames are arranged on the left side and the right side of the upper part of the transverse frame through bolts; bottom positioning pipes are arranged at the four corners of the lower part of the I-shaped reinforcing frame; the middle lower part of the I-shaped reinforcing frame is embedded with a movable frame, and the movable frame is embedded in the upper part of the transverse frame.
Preferably, the automatic positioning frame structure comprises a positioning frame, and a positioning ring is welded at the lower part of the inner side of the positioning frame; the inner side of the positioning ring is inserted with a T-shaped limiting rod; the upper portion of T type gag lever post be provided with the top tight spring, this top tight spring setting is in the inboard of locating frame simultaneously.
Preferably, the detachable ventilating maintenance frame structure comprises a maintenance frame, wherein the maintenance frame is embedded in the middle lower part of the transverse frame; the lower part of the inner side of the maintenance frame is provided with an installation plate; the middle position of the mounting plate is embedded with a fan frame; the upper part of the inner side of the fan frame is provided with a mounting rod through a screw; the blower is arranged on the inner side of the blower frame; the inboard bottom screw mounting of fan frame have the bottom protecting wire net.
Preferably, the lower part of the outer side of the positioning rod is sleeved with a buffer spring, and the buffer spring is arranged on the inner side of the transverse frame.
Preferably, the left end and the right end of the lower part of the mounting plate are provided with protruding ear plates.
Preferably, the positioning frame is embedded in the middle upper part of the fixed inserting frame.
Preferably, the I-shaped reinforcing frame is connected with the top of the lift car through bolts.
Preferably, the upper end of the positioning rod penetrates through the upper side positioning hole respectively and is inserted into the inner side of the bottom positioning pipe.
Preferably, the bottom of the car is provided with a distance sensor.
Preferably, the middle upper part of the positioning frame is inserted with a T-shaped pull rod, and the lower part of the T-shaped pull rod is connected with the upper part of the T-shaped limiting rod through a screw.
Preferably, a dust-proof protective net is screwed on the upper part of the inner side of the ventilation pipe.
Preferably, the upper part of the bottom protecting net is provided with a guide plate through a screw.
Preferably, the distance sensor is electrically connected with the processor, the processor is electrically connected with the pushing cylinder and the blower, and the distance sensor is a PB-2L150N distance sensor.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the buffer spring is sleeved at the lower part of the outer side of the positioning rod, and is arranged at the inner side of the transverse frame, so that the fixed insertion frame can be tightly supported by the buffer spring in use, a certain buffering effect can be realized when the transverse limiting frame is in contact with the limiting block, and the large influence on people in the lift car can be avoided.
2. In the invention, the left end and the right end of the lower part of the mounting plate are provided with the protruding ear plates, so that a user can conveniently penetrate through the ear plates on the mounting plate by using bolts to be connected with the transverse frame when in use, and the mounting plate can be conveniently disassembled and assembled.
3. According to the invention, the positioning frame is embedded in the middle upper part of the fixed inserting frame, so that the transverse limiting frame can be completely ejected out by the pushing cylinder when in use, and can be inserted into the limiting clamping groove by the T-shaped limiting rod under the action of the jacking spring, and further, the transverse limiting frame is prevented from moving left and right from the fixed inserting frame.
4. According to the invention, the I-shaped reinforcing frame is connected with the top of the lift car through the bolts, so that the firmness of two sides of the transverse frame can be increased when the lift car is used, and the phenomenon that the transverse frame is bent and damaged after repeated use is avoided.
5. In the invention, the upper end of the positioning rod penetrates through the upper side positioning hole and is inserted into the inner side of the bottom positioning tube, so that the positioning rod can be well positioned by using the upper side positioning hole and the bottom positioning tube when in use, and the fixed insertion frame is prevented from moving left and right from the transverse frame when in use.
6. According to the invention, the distance sensor is arranged at the bottom of the car, so that the distance between the car and the bottom of the elevator shaft can be conveniently detected by using the distance sensor when the distance sensor is used, and when the distance sensor detects that the distance is changed rapidly, a signal can be sent to the processor, so that the processor controls the pushing cylinder to tightly push the transverse limiting frame from the fixed insertion frame, and the position of the car can be locked by matching with the limiting block.
7. In the invention, the T-shaped pull rod is inserted in the middle upper part of the positioning frame, and meanwhile, the lower part of the T-shaped pull rod is connected with the upper part of the T-shaped limiting rod through the screw, so that the T-shaped limiting rod can be manually pulled out from the limiting clamping groove by using the T-shaped pull rod when maintenance is carried out after locking.
8. In the invention, the dustproof protective net is arranged on the upper part of the inner side of the ventilation pipe through the screw, so that the upper part of the ventilation pipe can be protected by the dustproof protective net when in use, and mosquito and sundries are prevented from entering the inner side of the ventilation pipe.
9. In the invention, the guide plate is arranged on the upper screw of the bottom protecting net, so that the guide plate can be used for guiding air blown downwards by the blower when in use.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a structural view of the top reinforcing frame structure of the present invention.
Fig. 3 is a schematic structural diagram of a limiting buffer frame structure of the invention.
Fig. 4 is a schematic structural diagram of the automatic positioning frame structure of the present invention.
Fig. 5 is a schematic structural view of the detachable ventilation maintenance frame structure of the present invention.
In the figure:
1. an elevator shaft; 2. a limiting block; 3. a car; 4. a suspension bracket; 5. hanging a steel wire rope; 6. a vent pipe; 7. a dust-proof protecting net; 8. a top reinforcing frame structure; 81. a transverse frame; 82. An upper side positioning hole; 83. an I-shaped reinforcing frame; 84. a bottom positioning tube; 85. a movable frame; 9. A limiting buffer frame structure; 91. fixing the inserting frame; 92. a transverse limiting frame; 93. a limiting clamping groove; 94. a fixing plate; 95. a push cylinder; 96. positioning a rod; 97. a buffer spring; 10. an automatic positioning frame structure; 101. a positioning frame; 102. a positioning ring; 103. a T-shaped limiting rod; 104. The spring is tightly propped; 105. a T-shaped pull rod; 11. the ventilation maintenance frame structure is convenient to disassemble; 111. maintaining the frame; 112. mounting a plate; 113. a fan frame; 114. mounting a rod; 115. a blower; 116. A bottom guard net; 117. a guide plate; 12. a distance sensor; 13. installing a frame; 14. a processor; 15. and an alarm switch.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in the attached drawings 1 and 3, the invention provides an elevator car self-locking device convenient to maintain, which comprises an elevator shaft 1, limiting blocks 2, a car 3, a suspension bracket 4 and a suspension steel wire rope 5, wherein the limiting blocks 2 are sequentially arranged at the left side and the right side of the elevator shaft 1 from top to bottom; the car 3 is arranged at the inner side of the elevator shaft 1; the suspension bracket 4 is arranged at the middle upper part of the car 3; the suspension steel wire rope 5 is arranged at the upper part of the suspension bracket 4, and ventilation pipes 6 are embedded at the four corners of the middle upper part of the car 3; the upper part of the inner side of the ventilation pipe 6 is provided with a dustproof protective net 7 through screws, when in use, the upper part of the ventilation pipe 6 is protected by the dustproof protective net 7, and mosquito and insect sundries are prevented from entering the inner side of the ventilation pipe 6; a top reinforcing frame structure 8 is arranged at the upper part of the inner side of the car 3; the left side and the right side of the inside of the top reinforcing frame structure 8 are provided with limiting buffer frame structures 9; the upper part of the limiting buffer frame structure 9 is provided with an automatic positioning frame structure 10; a ventilating maintenance frame structure 11 convenient to disassemble is arranged on the lower side of the top reinforcing frame structure 8; the bottom of the car 3 is provided with a distance sensor 12, when the elevator car is used, the distance between the car 3 and the bottom of the elevator shaft 1 is detected by the distance sensor 12, when the distance sensor 12 detects that the distance is changed quickly, a signal can be sent to the processor 14, so that the processor controls the pushing cylinder 95 to tightly push the transverse limiting frame 92 from the fixed inserting frame 91, and the position of the car 3 can be locked by matching with the limiting block 2; the inner wall of the car 3 is provided with a mounting frame 13 through screws; a processor 14 is installed on the inner side of the installation frame 13 through screws; an alarm switch 15 is arranged on the outer side of the mounting frame 13; the limiting buffer frame structure 9 comprises a fixed inserting frame 91, and a transverse limiting frame 92 is inserted into the left side of the inside of the fixed inserting frame 91; a limiting clamping groove 93 is formed in the right side of the upper part of the transverse limiting frame 92; a fixing plate 94 is installed on the right bolt of the fixing insertion frame 91; a pushing cylinder 95 is installed on a middle bolt of the fixing plate 94, and a piston rod of the pushing cylinder 95 is connected with one side of the transverse limiting frame 92 through a bolt; positioning rods 96 are welded at four corners of the upper part of the fixed inserting frame 91; the upper ends of the positioning rods 96 respectively penetrate through the upper positioning holes 82 and are inserted into the inner sides of the bottom positioning tubes 84, so that the positioning rods 96 can be well positioned by using the upper positioning holes 82 and the bottom positioning tubes 84 when in use, and further the fixed insertion frame 91 is prevented from moving left and right from the transverse frame 81 when in use; locating lever 96's outside lower part cup joint buffer spring 97, buffer spring 97 sets up the inboard at horizontal frame 81 simultaneously, the convenience is used to play the tight effect in top to fixed frame 91 of inserting when using with buffer spring 97, and then can play certain cushioning effect when utilizing horizontal spacing 92 and stopper 2 contact, and can avoid causing great influence to the personnel of taking in the car 3.
In the above embodiment, as shown in fig. 2, specifically, the top reinforcing frame structure 8 includes a transverse frame 81, and the transverse frame 81 is bolted to the upper inner side of the car 3; the four corners of the left upper side of the transverse frame 81 and the four corners of the right upper side of the transverse frame 81 are respectively provided with an upper side positioning hole 82; i-shaped reinforcing frames 83 are mounted on the left side and the right side of the upper part of the transverse frame 81 through bolts; the I-shaped reinforcing frame 83 is connected with the top of the car 3 through bolts, so that the firmness of two sides of the transverse frame 81 can be increased when the car is used, and the phenomenon that the transverse frame 81 is bent and damaged after repeated use is avoided; bottom positioning pipes 84 are arranged at the four corners of the lower part of the I-shaped reinforcing frame 83; the middle and lower parts of the i-shaped reinforcing frame 83 are embedded with a movable frame 85, and the movable frame 85 is embedded at the upper part of the transverse frame 81.
As shown in fig. 4, in the above embodiment, specifically, the automatic positioning frame structure 10 includes a positioning frame 101, the positioning frame 101 is embedded in the middle upper portion of the fixed insertion frame 91, and after the pushing cylinder 95 is used to push out all the transverse limiting frames 92, the transverse limiting frames can be inserted into the limiting slots 93 by using T-shaped limiting rods 103 under the action of the pushing springs 104, so as to prevent the transverse limiting frames 92 from moving left and right from the fixed insertion frame 91; the lower part of the inner side of the positioning frame 101 is welded with a positioning ring 102; a T-shaped limiting rod 103 is inserted into the inner side of the positioning ring 102; the upper part of the T-shaped limiting rod 103 is provided with a jacking spring 104, and the jacking spring 104 is arranged on the inner side of the positioning frame 101; the middle upper part of the positioning frame 101 is inserted with a T-shaped pull rod 105, meanwhile, the lower part of the T-shaped pull rod 105 is in screw connection with the upper part of the T-shaped limiting rod 103, and the T-shaped limiting rod 103 can be manually pulled out from the limiting clamping groove 93 by using the T-shaped pull rod 105 during maintenance after locking.
As shown in fig. 5, in the above embodiment, specifically, the detachable ventilating maintenance frame structure 11 includes a maintenance frame 111, and the maintenance frame 111 is embedded in the middle lower part of the transverse frame 81; the lower part of the inner side of the maintenance frame 111 is provided with an installation plate 112; the left end and the right end of the lower part of the mounting plate 112 are provided with protruding ear plates, so that a user can conveniently penetrate through the ear plates on the mounting plate 112 by using bolts to be connected with the transverse frame 81 when the mounting plate 112 is used, and the mounting plate 112 can be conveniently disassembled and assembled; a fan frame 113 is embedded in the middle of the mounting plate 112; the upper part of the inner side of the fan frame 113 is provided with a mounting rod 114 through a screw; the blower 115 is mounted on the lower screw of the mounting rod 114, and the blower 115 is arranged on the inner side of the blower frame 113; a bottom protecting net 116 is screwed on the bottom of the inner side of the fan frame 113; the upper screw of the bottom protecting net 116 is provided with a guide plate 117, so that the air blown downwards by the blower 115 can be guided by the guide plate 117 when in use.
Principle of operation
In the working process of the invention, the I-shaped reinforcing frame 83 can increase the fixing effect on the upper part of the transverse frame 81, at ordinary times, the blower 115 can be used for extracting air passing through the ventilation pipe 6 and then entering the cage 3 to realize the addition of fresh air into the cage 3, when the cage 3 stops lifting at a specified position, the processor 14 can be used for controlling the pushing cylinder 95 to drive the transverse limiting frame 92 to extend out of a part of the fixed inserting frame 91 and play a limiting role by matching with the limiting block 2, when the distance sensor 12 detects that the distance from the bottom of the elevator shaft 1 changes rapidly, the processor 14 can be used for controlling the pushing cylinder 95 to extend completely, the T-shaped limiting rod 103 is inserted into the inner side of the limiting clamping groove 93 under the action of the jacking spring 104, the transverse limiting frame 92 is prevented from moving left and right, when the transverse limiting frame 92 contacts with the limiting block 2, the buffering spring 97 can be used for slowing down the transverse limiting frame 92, when maintenance is required, the bolts on the mounting plate 112 are removed, and the mounting plate 112 is removed, so that a user can perform maintenance on the components in the lateral frame 81 through the maintenance frame 111.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.

Claims (10)

1. An elevator car self-locking device convenient to maintain comprises an elevator shaft (1), a limiting block (2), a car (3), a suspension bracket (4) and a suspension steel wire rope (5), wherein the limiting block (2) is sequentially arranged on the left side and the right side of the elevator shaft (1) from top to bottom; the car (3) is arranged on the inner side of the elevator shaft (1); the suspension bracket (4) is arranged at the middle upper part of the lift car (3); the suspension steel wire rope (5) is arranged at the upper part of the suspension bracket (4), and is characterized in that a ventilation pipe (6) is embedded at the four corners of the middle upper part of the cage (3); a top reinforcing frame structure (8) is arranged at the upper part of the inner side of the car (3); the left side and the right side of the inside of the top reinforcing frame structure (8) are provided with limiting buffer frame structures (9); the upper part of the limiting buffer frame structure (9) is provided with an automatic positioning frame structure (10); a ventilating maintenance frame structure (11) convenient to disassemble is arranged on the lower side of the top reinforcing frame structure (8); a mounting frame (13) is mounted on the inner wall of the car (3) through screws; a processor (14) is installed on the inner side of the installation frame (13) through screws; an alarm switch (15) is arranged on the outer side of the mounting frame (13); the limiting buffer frame structure (9) comprises a fixed inserting frame (91), and a transverse limiting frame (92) is inserted into the left side of the inside of the fixed inserting frame (91); a limiting clamping groove (93) is formed in the right side of the upper part of the transverse limiting frame (92); a fixing plate (94) is installed on the right bolt of the fixing insertion frame (91); a pushing cylinder (95) is mounted on a middle bolt of the fixing plate (94), and a piston rod of the pushing cylinder (95) is connected with one side of the transverse limiting frame (92) through a bolt; positioning rods (96) are welded at four corners of the upper part of the fixed inserting frame (91).
2. The self-locking device of an elevator car for facilitating maintenance as claimed in claim 1, wherein the top reinforcing frame structure (8) comprises a lateral frame (81), the lateral frame (81) being bolt-mounted on an upper inner side of the car (3); the four corners of the left upper side of the transverse frame (81) and the four corners of the right upper side of the transverse frame (81) are respectively provided with an upper side positioning hole (82); i-shaped reinforcing frames (83) are mounted on the left side and the right side of the upper part of the transverse frame (81) through bolts; bottom positioning pipes (84) are arranged at the four corners of the lower part of the I-shaped reinforcing frame (83); the middle lower part of the I-shaped reinforcing frame (83) is embedded with a movable frame (85), and the movable frame (85) is embedded at the upper part of the transverse frame (81).
3. The self-locking device of an elevator car convenient for maintenance of claim 1, characterized in that the automatic positioning frame structure (10) comprises a positioning frame (101), and a positioning ring (102) is welded at the lower part of the inner side of the positioning frame (101); a T-shaped limiting rod (103) is inserted into the inner side of the positioning ring (102); the upper part of the T-shaped limiting rod (103) is provided with a jacking spring (104), and the jacking spring (104) is arranged on the inner side of the positioning frame (101).
4. The self-locking device of an elevator car for facilitating maintenance as claimed in claim 1, wherein the easy-to-detach ventilating maintenance frame structure (11) comprises a maintenance frame (111), the maintenance frame (111) is embedded in the middle lower part of the transverse frame (81); the lower part of the inner side of the maintenance frame (111) is provided with an installation plate (112); a fan frame (113) is embedded in the middle of the mounting plate (112); the upper part of the inner side of the fan frame (113) is provided with a mounting rod (114) by a screw; a blower (115) is mounted on the lower portion of the mounting rod (114) through a screw, and meanwhile, the blower (115) is arranged on the inner side of the blower frame (113); the bottom part of the inner side of the fan frame (113) is provided with a bottom protecting net (116) by a screw.
5. The self-locking device of an elevator car convenient for maintenance of claim 2, wherein the buffer spring (97) is sleeved on the lower part of the outer side of the positioning rod (96), and the buffer spring (97) is arranged on the inner side of the transverse frame (81).
6. The self-locking apparatus for an elevator car for facilitating maintenance as set forth in claim 4, wherein the mounting plate (112) is provided at the lower left and right ends thereof with protruding lug plates.
7. The self-locking apparatus for an elevator car for facilitating maintenance as set forth in claim 3, wherein the positioning frame (101) is embedded in an upper middle portion of the fixing insertion frame (91).
8. The self-locking device of an elevator car for facilitating maintenance as claimed in claim 2, wherein the i-shaped reinforcing frame (83) is bolted to the top of the car (3).
9. The self-locking device of an elevator car convenient for maintenance as claimed in claim 2, wherein the upper ends of the positioning rods (96) respectively penetrate through the upper positioning holes (82) and are inserted into the inner sides of the bottom positioning pipes (84).
10. The self-locking device of an elevator car convenient for maintenance of claim 3, wherein a T-shaped pull rod (105) is inserted into the middle upper part of the positioning frame (101), and the lower part of the T-shaped pull rod (105) is connected with the upper part of the T-shaped limiting rod (103) through a screw.
CN202111036185.8A 2021-09-06 2021-09-06 Elevator car self-lock device convenient to maintain Active CN113844987B (en)

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CN202111036185.8A CN113844987B (en) 2021-09-06 2021-09-06 Elevator car self-lock device convenient to maintain

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CN202111036185.8A CN113844987B (en) 2021-09-06 2021-09-06 Elevator car self-lock device convenient to maintain

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CN113844987B CN113844987B (en) 2022-12-27

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CN104555646A (en) * 2015-01-26 2015-04-29 浙江西传电气科技有限公司 Rotating fall protector of lifting unit
CN104828669A (en) * 2015-04-14 2015-08-12 北京化工大学 Elevator car braking device
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CN111874776A (en) * 2020-08-02 2020-11-03 宋文彬 Elevator buffer convenient to dismouting
CN213059762U (en) * 2020-09-01 2021-04-27 江苏立达电梯有限公司 Safety structure for elevator
CN214059572U (en) * 2020-12-16 2021-08-27 苏州奥索家用电梯有限公司 Transmission device of household elevator

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CN111874776A (en) * 2020-08-02 2020-11-03 宋文彬 Elevator buffer convenient to dismouting
CN213059762U (en) * 2020-09-01 2021-04-27 江苏立达电梯有限公司 Safety structure for elevator
CN214059572U (en) * 2020-12-16 2021-08-27 苏州奥索家用电梯有限公司 Transmission device of household elevator

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