CN217172851U

CN217172851U - Elevator bottom damping device

Info

Publication number: CN217172851U
Application number: CN202220263969.8U
Authority: CN
Inventors: 周丽彪; 唐文龙
Original assignee: Watson Home Elevator Jiangsu Co ltd
Current assignee: Watson Home Elevator Jiangsu Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-08-12
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses an elevator bottom damping device, including elevartor shaft, spout and second damping spring, the side of elevartor shaft is provided with the guide rail, the outside of second rotation axis is provided with the transfer line, the terminal side of transfer line is connected with the third rotation axis, the end-to-end connection of third rotation axis has the second fixed bolster, the sliding block is installed to the transfer line end, the spout has been seted up to the upper surface of installation base, and the sliding block installs the inside at the spout, be connected with second damping spring between the end of sliding block and spout. This elevator bottom damping device is provided with first damping spring, and first damping spring's top is fixed with the contact plate, and the contact plate can drive the transfer line, and the sliding block passes through the drive of transfer line and extrudees second damping spring, makes the vibration that the car produced when dropping through twice buffering, makes the vibrations of car reduce by a wide margin, and furthest has protected passenger's personal safety in the car.

Description

Elevator bottom damping device

Technical Field

The utility model relates to an elevator technical field specifically is an elevator bottom damping device.

Background

An elevator is a transportation device that transports pedestrians or goods vertically. The elevator serves a building of a prescribed floor, the vertical lift elevator has a car running between at least two rows of vertical or rigid guide rails with an inclination angle of less than 15 ° for the convenience of passengers to get in and out or load and unload goods, and the modern elevator is mainly composed of a traction machine, guide rails, a counterweight, safety devices such as a speed limiter, safety tongs, a buffer and the like, a signal operating system, a car, a hall door and the like.

Damping device need be installed to the bottom of elevartor shaft and the car that use in the market at present, is used for placing the elevator and protects the inside passenger's of car safety when breaking down, but most all welds when current damping device installs, need change damping device when needs, inconvenient dismantlement and reinstallate, so we have proposed an elevator bottom damping device to in the solution the problem of proposing in the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator bottom damping device to solve the present elevartor shaft that uses on the market that above-mentioned background art provided and the bottom of car need ann damping device, be used for placing the elevator safety of the inside passenger of protection car when breaking down, but most all weld when current damping device installs, need change the problem when damping device.

In order to achieve the above object, the utility model provides a following technical scheme: a damping device for the bottom of an elevator comprises an elevator shaft, a sliding groove and a second damping spring, wherein guide rails are arranged on the side face of the elevator shaft, a car is installed between the guide rails, a damping pad is fixed at the bottom of the car and connected with the guide rails, an installation base is arranged at the bottom of the elevator shaft, a fastening bolt is connected between the installation base and the elevator shaft, an installation groove is formed in the middle of the upper surface of the installation base, a clamping spring is arranged inside the installation groove, the tail end of the clamping spring is connected with a clamping block, a control plate is arranged on the side face of the clamping block and is also installed on the outer side of the clamping spring, a threaded rod is arranged below the control plate, a driven gear is arranged at the front end of the threaded rod, the tail end of the threaded rod is connected with the tail end of the installation groove, and a driving gear is arranged on the side face of the driven gear, the tail end of the driving gear is connected with a first rotating shaft, the tail end of the first rotating shaft is provided with a control knob, the control knob is arranged on the side surface of the mounting base, a limit sleeve is arranged above the mounting groove, a first damping spring is arranged in the limiting sleeve, a contact plate is arranged at the bottom end of the first damping spring, the bottom surface of the contact plate is provided with first fixed brackets, a second rotating shaft is arranged between the first fixed brackets, a transmission rod is arranged on the outer side of the second rotating shaft, the side surface of the tail end of the transmission rod is connected with a third rotating shaft, the tail end of the third rotating shaft is connected with a second fixed bracket, the tail end of the transmission rod is provided with a sliding block, the upper surface of the mounting base is provided with a sliding groove, and the sliding block is installed in the inside of spout, be connected with second damping spring between the end of sliding block and spout.

Preferably, the material of shock pad chooses for use rubber, the cell type structure has been seted up to the position that the shock pad is connected with the guide rail, and the size of cell type structure is greater than the size of guide rail on the shock pad.

Preferably, clamping spring symmetry sets up in the inside both sides of mounting groove, press from both sides tight piece and control panel all with clamping spring fixed connection, be connected for the bearing between threaded rod and the mounting groove, and be threaded connection between threaded rod and the control panel.

Preferably, the control panel drives the threaded rod through the control knob and rotates and control the structure about the inside constitution of mounting groove, helical gear is all chooseed for use with the driving gear to driven gear, and is connected for the meshing between driving gear and the driven gear.

Preferably, the length of stop collar is less than the length of first damping spring, for can dismantling the connection between stop collar and the installation base, be fixed connection between contact plate and the first damping spring.

Preferably, the number of the first fixing supports is 4, the first fixing supports are uniformly distributed on the bottom surface of the contact plate, the number of the sliding grooves is 4, the sliding grooves are uniformly formed in the upper surface of the mounting base, and the transmission rod forms a rotating structure between the first fixing support and the second fixing support through the second rotating shaft and the third rotating shaft respectively.

Compared with the prior art, the beneficial effects of the utility model are that: this elevator bottom damping device:

(1) the elevator car is provided with a first damping spring, a contact plate is fixed at the top end of the first damping spring and can drive a transmission rod, a sliding block is driven by the transmission rod to extrude a second damping spring, so that the vibration generated when the car falls is buffered twice, the vibration of the car is greatly reduced, and the personal safety of passengers in the car is protected to the greatest extent;

(2) be provided with the mounting groove, the inside of mounting groove is provided with clamping spring, and the clamping spring outside is provided with the control panel and presss from both sides tight piece, and the control panel can remove through control knob, makes the position synchronization who presss from both sides tight piece remove to this makes first damping spring's installation and dismantlement more convenient and fast.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the shock absorbing structure of the present invention;

FIG. 3 is a schematic top view of the shock absorbing structure of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: 1. an elevator shaft; 2. a guide rail; 3. a car; 4. a shock pad; 5. installing a base; 6. fastening a bolt; 7. mounting grooves; 8. a clamping spring; 9. a clamping block; 10. a control panel; 11. a threaded rod; 12. a driven gear; 13. a driving gear; 14. a first rotating shaft; 15. a control knob; 16. a limiting sleeve; 17. a first damping spring; 18. a contact plate; 19. a first fixed bracket; 20. a second rotation shaft; 21. a transmission rod; 22. a third rotation axis; 23. a second fixed bracket; 24. a slider; 25. a chute; 26. a second damping spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a damping device at the bottom of an elevator comprises an elevator shaft 1, guide rails 2, a car 3, a damping pad 4, a mounting base 5, fastening bolts 6, mounting grooves 7, a clamping spring 8, a clamping block 9, a control panel 10, a threaded rod 11, a driven gear 12, a driving gear 13, a first rotating shaft 14, a control knob 15, a limiting sleeve 16, a first damping spring 17, a contact plate 18, a first fixing support 19, a second rotating shaft 20, a transmission rod 21, a third rotating shaft 22, a second fixing support 23, a sliding block 24, a sliding chute 25 and a second damping spring 26, wherein the guide rails 2 are arranged on the side surface of the elevator shaft 1, the car 3 is mounted between the guide rails 2, the damping pad 4 is fixed at the bottom of the car 3, the damping pad 4 is connected with the guide rails 2, the mounting base 5 is arranged at the bottom of the elevator shaft 1, the fastening bolts 6 are connected between the mounting base 5 and the elevator shaft 1, the mounting grooves 7 are formed in the middle position of the upper surface of the mounting base 5, a clamping spring 8 is arranged in the mounting groove 7, the tail end of the clamping spring 8 is connected with a clamping block 9, the side surface of the clamping block 9 is provided with a control plate 10, the control plate 10 is also arranged on the outer side of the clamping spring 8, a threaded rod 11 is arranged below the control plate 10, the front end of the threaded rod 11 is provided with a driven gear 12, the tail end of the threaded rod 11 is connected with the tail end of the mounting groove 7, the side surface of the driven gear 12 is provided with a driving gear 13, the tail end of the driving gear 13 is connected with a first rotating shaft 14, the tail end of the first rotating shaft 14 is provided with a control knob 15, the control knob 15 is arranged on the side surface of the mounting base 5, a limiting sleeve 16 is arranged above the mounting groove 7, a first damping spring 17 is arranged in the limiting sleeve 16, the bottom end of the first damping spring 17 is provided with a contact plate 18, and the bottom surface of the contact plate 18 is provided with a first fixing support 19, a second rotating shaft 20 is arranged between the first fixing brackets 19, a transmission rod 21 is arranged on the outer side of the second rotating shaft 20, a third rotating shaft 22 is connected to the side face of the tail end of the transmission rod 21, a second fixing bracket 23 is connected to the tail end of the third rotating shaft 22, a sliding block 24 is installed at the tail end of the transmission rod 21, a sliding groove 25 is formed in the upper surface of the installation base 5, the sliding block 24 is installed inside the sliding groove 25, and a second damping spring 26 is connected between the sliding block 24 and the tail end of the sliding groove 25.

Rubber is selected for use as the material of shock pad 4, and the cell type structure has been seted up to the position that shock pad 4 is connected with guide rail 2, and the size of cell type structure is greater than the size of guide rail 2 on the shock pad 4, makes shock pad 4 can not influence the speed when the elevator moves.

Clamping spring 8 symmetry sets up in the inside both sides of mounting groove 7, presss from both sides tight piece 9 and control panel 10 all with clamping spring 8 fixed connection, is connected for the bearing between threaded rod 11 and the mounting groove 7, and is threaded connection between threaded rod 11 and the control panel 10, makes threaded rod 11's rotation can drive control panel 10 and move.

Control panel 10 drives threaded rod 11 through control knob 15 and rotates and controls the structure about the inside constitution of mounting groove 7, and helical gear is all chooseed for use with driving gear 13 to driven gear 12, and is connected for the meshing between driving gear 13 and the driven gear 12, makes control knob 15 can drive threaded rod 11 and rotate.

The length of stop collar 16 is less than the length of first damping spring 17, for detachable connection between stop collar 16 and the installation base 5, be fixed connection between contact plate 18 and the first damping spring 17.

First fixed bolster 19 is provided with 4, and first fixed bolster 19 evenly distributed is in the bottom surface of

contact plate

18, and 4 have been seted up to spout 25, and spout 25 evenly sets up the upper surface at installation base 5, and transfer line 21 constitutes revolution mechanic between first fixed bolster 19, second fixed bolster 23 through second rotation axis 20, third rotation axis 22 respectively, makes transfer line 21 can drive sliding block 24 and slide inside spout 25.

The working principle is as follows: when the elevator bottom damping device is used, firstly, the parts required by the device are assembled, when the elevator car 3 falls off, the damping pad 4 at the bottom of the car 3 increases the friction force between the car 3 and the guide rail 2 when the car 3 inclines, so that the descending speed of the car 3 is reduced, when the car 3 falls to the bottom of the elevator shaft 1, the damping pad 4 is contacted with the contact plate 18 and presses the first damping spring 17 through the contact plate 18, the first damping spring 17 moves downwards, the contact plate 18 simultaneously moves downwards, so that the transmission rod 21 inclines through the second rotating shaft 20, and drives the sliding block 24 to press the second damping spring 26 outwards in the sliding groove 25 through the connection with the third rotating shaft 22, so that the vibration generated by the bottom contact of the car 3 is reduced to the minimum after double damping, the safety of passengers in the elevator is protected to the maximum extent, after the maintenance of the elevator is completed, the first damping spring 17 drives the contact plate 18 to move upward, and the transmission rod 21 drives the slide block 24 to return to the initial position.

When the damping device at the bottom of the elevator shaft 1 needs to be replaced, the control knob 15 is rotated, the control knob 15 drives the driving gear 13 to rotate through the first rotating shaft 14, the driving gear 13 drives the threaded rod 11 to rotate through the driven gear 12, the threaded rod 11 rotates and then enables the control panel 10 to drive the clamping spring 8 to contract, the limiting sleeve 16 is taken out of the mounting groove 7, the old first damping spring 17 is replaced and a new first damping spring 17 is mounted, the tail end of the limiting sleeve 16 is placed in the mounting groove 7 again, then the control knob 15 is rotated in the opposite direction, the control knob 15 drives the clamping spring 8 to restore, the limiting sleeve 16 is fixed through the clamping block 9 at the tail end of the clamping spring 8, the replacement of the damping device is completed, the working process of the device is the above, and the content which is not described in detail in the specification is the first damping spring 17, such as the first damping spring 17, The second dampening spring 26, etc. are all within the skill of those in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An elevator bottom damping device, includes elevartor shaft (1), spout (25) and second damping spring (26), its characterized in that: the elevator car is characterized in that guide rails (2) are arranged on the side face of the elevator shaft (1), a car (3) is installed between the guide rails (2), a shock absorption pad (4) is fixed at the bottom of the car (3), the shock absorption pad (4) is connected with the guide rails (2), an installation base (5) is arranged at the bottom of the elevator shaft (1), a fastening bolt (6) is connected between the installation base (5) and the elevator shaft (1), an installation groove (7) is formed in the middle of the upper surface of the installation base (5), a clamping spring (8) is arranged inside the installation groove (7), a clamping block (9) is connected to the tail end of the clamping spring (8), a control plate (10) is arranged on the side face of the clamping block (9), the control plate (10) is also installed on the outer side of the clamping spring (8), a threaded rod (11) is arranged below the control plate (10), the front end of the threaded rod (11) is provided with a driven gear (12), the tail end of the threaded rod (11) is connected with the tail end of the mounting groove (7), the side face of the driven gear (12) is provided with a driving gear (13), the tail end of the driving gear (13) is connected with a first rotating shaft (14), the tail end of the first rotating shaft (14) is provided with a control knob (15), the control knob (15) is arranged on the side face of the mounting base (5), a limiting sleeve (16) is arranged above the mounting groove (7), a first damping spring (17) is arranged inside the limiting sleeve (16), the bottom end of the first damping spring (17) is provided with a contact plate (18), the bottom surface of the contact plate (18) is provided with a first fixing support (19), and a second rotating shaft (20) is arranged between the first fixing supports (19), the outside of second rotation axis (20) is provided with transfer line (21), the terminal side of transfer line (21) is connected with third rotation axis (22), the end-to-end connection of third rotation axis (22) has second fixed bolster (23), sliding block (24) are installed to transfer line (21) end, spout (25) have been seted up to the upper surface of installation base (5), and sliding block (24) install the inside at spout (25), be connected with second damping spring (26) between the end of sliding block (24) and spout (25).

2. The elevator bottom damping device according to claim 1, wherein: rubber is selected for the material of shock pad (4), the cell type structure has been seted up to the position that shock pad (4) are connected with guide rail (2), and the size of cell type structure is greater than the size of guide rail (2) on shock pad (4).

3. The elevator bottom damping device according to claim 1, wherein: clamping spring (8) symmetry sets up in the inside both sides of mounting groove (7), press from both sides tight piece (9) and control panel (10) all with clamping spring (8) fixed connection, be connected for the bearing between threaded rod (11) and mounting groove (7), and be threaded connection between threaded rod (11) and control panel (10).

4. The elevator bottom damping device according to claim 1, wherein: control panel (10) drive threaded rod (11) through control knob (15) and rotate and control the structure about the inside constitution of mounting groove (7), driven gear (12) all select for use helical gear with driving gear (13), and be connected for the meshing between driving gear (13) and driven gear (12).

5. The elevator bottom damping device according to claim 1, wherein: the length of stop collar (16) is less than the length of first damping spring (17), for dismantling between stop collar (16) and installation base (5) to be connected, be fixed connection between contact plate (18) and first damping spring (17).

6. The elevator bottom damping device according to claim 1, wherein: first fixed bolster (19) are provided with 4, and first fixed bolster (19) evenly distributed is in the bottom surface of contact plate (18), 4 have been seted up in spout (25), and spout (25) evenly set up the upper surface at installation base (5), transfer line (21) constitute revolution mechanic between first fixed bolster (19), second fixed bolster (23) through second rotation axis (20), third rotation axis (22) respectively.