CN219636670U

CN219636670U - Counterweight buffer device for elevator installation

Info

Publication number: CN219636670U
Application number: CN202320869502.2U
Authority: CN
Inventors: 武俊烜
Original assignee: Hebei Tongju Electromechanical Engineering Co ltd
Current assignee: Hebei Tongju Electromechanical Engineering Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-09-05
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to the technical field of counterweight buffering, and discloses a counterweight buffering device for elevator installation, which comprises an elevator shaft, wherein the bottom of the elevator shaft is provided with a mounting plate, the top of the mounting plate is provided with a damping device, the damping device is provided with a round rod, the outer surface of the round rod is in sliding sleeve connection with a buffer spring, the outer wall of the round rod is in sliding connection with a moving block, the top of the moving block is rotationally connected with a damper, and one end of the damper far away from the moving block is rotationally connected with a damping plate. Through the shock attenuation board that is equipped with for extrude the shock attenuation board when falling to the pouring weight, the attenuator of being connected is rotated through the bottom of shock attenuation board, makes the attenuator atress remove, keeps away from the movable block of being connected through the one end rotation of shock attenuation board through the attenuator, makes the movable block atress remove, and then makes movable block extrusion buffer spring, reaches the purpose of buffering shock attenuation board and movable block, improves the device's life.

Description

Counterweight buffer device for elevator installation

Technical Field

The utility model relates to the technical field of counterweight buffering, in particular to a counterweight buffering device for elevator installation.

Background

The counterweight is an integral part of the elevator traction system and serves to reduce the power of the traction motor and the moment on the traction sheave and worm gear.

The prior counterweight buffer device for elevator installation can refer to Chinese patent with the authorized publication number of CN213923644U, and discloses an elevator counterweight buffer device which comprises a balance counterweight arranged in an elevator hoistway, wherein a steel wire rope sling connected with an elevator car is fixedly arranged at the top of the balance counterweight, a pair of counterweight buffer device guide rail assemblies are respectively and fixedly arranged on the inner side walls of the hoistway at two sides of the balance counterweight, the counterweight buffer device guide rail assemblies are symmetrically arranged, a counterweight limiting straight guide rail is respectively connected above each counterweight buffer device guide rail assembly, and a main buffer assembly is fixedly arranged on a pit under the balance counterweight. The device adopts the main buffer component to buffer the counterweight which falls down rapidly when the elevator fails, so that huge impact damage caused by direct bottom flushing of the counterweight is effectively avoided; the combined action of a plurality of buffers and a plurality of buffers (comprising the oil cylinder buffer and the spring buffer) can effectively improve the buffering effect and quickly reduce the buffering force. "

When the device is used, the buffer effect can be effectively improved by adopting the combined action of a plurality of buffers and a plurality of buffers, the buffer force is reduced relatively quickly, the buffer is directly impacted when the device falls down to the buffer, the buffer is caused to bear larger impact force, the buffer is inconvenient to buffer, the service life of the buffer is reduced, the buffer device is required to be maintained and replaced after long-time use, and the buffer device is inconvenient to replace, so that the practicability of the device is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a counterweight buffer device for elevator installation, which has the advantages of being capable of carrying out impact buffer treatment on the buffer device and prolonging the service life of the buffer, has the advantages of being convenient for maintaining and replacing the buffer device and improving the practicability of the device, and solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides an elevator installation is with heavy buffer, includes the elevator shaft, the bottom of elevator shaft is equipped with the mounting panel, the top of mounting panel is equipped with damping device, damping device's structure has the round bar, the surface sliding sleeve of round bar has buffer spring, the outer wall sliding connection of round bar has the movable block, the top of movable block rotates and is connected with the attenuator, the one end that the movable block was kept away from to the attenuator rotates and is connected with the shock attenuation board.

As a preferable technical scheme of the utility model, a chute is arranged at the top of the mounting plate, and the inner wall of the chute is in sliding connection with the moving block.

As a preferable technical scheme of the utility model, the inner wall of the elevator shaft is slidably connected with a counterweight traction rope, the outer wall of the elevator shaft is slidably connected with a protective shell, the inner wall of the protective shell is slidably connected with a buffer plate, the inner cavity of the protective shell is provided with a damping spring, and the inner wall of the protective shell is slidably connected with a fixing device.

As a preferable technical scheme of the elevator protection device, the buffer plate is arc-shaped, the outer wall of the elevator shaft is provided with a square groove, and the shape of the square groove is matched with that of the protection shell.

As a preferable technical scheme of the utility model, the fixing device comprises a fixing rod, the outer surface of the fixing rod is sleeved with a return spring in a sliding manner, the outer wall of the fixing rod is connected with a clamping block in a sliding manner, and the inner wall of the clamping block is fixedly provided with a pull rod.

As a preferable technical scheme of the utility model, the pull rod penetrates through the fixing rod to be connected with the inner wall of the clamping block, the outer wall of the protecting shell is provided with the clamping groove, and the inner wall of the clamping groove is in sliding connection with the clamping block.

Compared with the prior art, the utility model has the following beneficial effects:

1. this elevator installation is with heavy buffer, through the shock attenuation board that is equipped with for extrude the shock attenuation board when falling to the pouring weight, the attenuator of being connected is rotated through the bottom of shock attenuation board, makes the attenuator atress remove, keeps away from the movable block of being connected through the one end rotation of shock attenuation board through the attenuator, makes the movable block atress remove, and then makes movable block extrusion buffer spring, reaches the purpose of buffering shock attenuation board and movable block, improves the device's life.

2. This counterweight buffer is used in elevator installation is through removing the protecting crust for the protecting crust extrudees the fixture block, the reset spring that is equipped with through the outer wall of fixture block, makes the fixture block remove extrusion reset spring, and then makes reset spring's elastic potential energy increase, the draw-in groove of seting up through the outer wall of protecting crust, make the elastic potential energy through reset spring promote the fixture block get into the draw-in groove, reach the purpose of fixing the protecting crust, through the pulling pull rod, drive the draw-in groove of seting up of the outer wall that the fixture block breaks away from the protecting crust, make be convenient for dismantle the protecting crust, be convenient for change the protecting crust, improve the practicality of device.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a fixing structure of the present utility model;

FIG. 3 is a schematic diagram of a buffer structure according to the present utility model;

FIG. 4 is a schematic cross-sectional view of the present utility model;

fig. 5 is a schematic diagram of the structure of fig. 2 a according to the present utility model.

In the figure: 1. an elevator shaft; 2. a mounting plate; 3. a damping device; 301. a round bar; 302. a buffer spring; 303. a moving block; 304. a damper; 305. a shock absorbing plate; 4. a counterweight traction rope; 5. a protective shell; 6. a damping spring; 7. a buffer plate; 8. a fixing device; 801. a fixed rod; 802. a return spring; 803. a clamping block; 804. and (5) a pull rod.

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.

Referring to fig. 1-5, a counterweight buffer device for elevator installation comprises an elevator shaft 1, wherein a mounting plate 2 is arranged at the bottom of the elevator shaft 1, a damping device 3 is arranged at the top of the mounting plate 2, a round rod 301 is arranged in the structure of the damping device 3, a buffer spring 302 is sleeved on the outer surface of the round rod 301 in a sliding manner, a moving block 303 is connected to the outer wall of the round rod 301 in a sliding manner, a damper 304 is rotatably connected to the top of the moving block 303, and a damping plate 305 is rotatably connected to one end, far away from the moving block 303, of the damper 304.

Referring to fig. 3-4, a sliding groove is formed in the top of the mounting plate 2, and the inner wall of the sliding groove is slidably connected with the moving block 303, so that the moving block 303 can slide in the sliding groove conveniently, and the damper 304 and the damping plate 305 can be buffered.

Referring to fig. 2, an inner wall sliding connection of an elevator shaft 1 is provided with a counterweight traction rope 4, an outer wall sliding connection of the elevator shaft 1 is provided with a protective shell 5, the inner wall sliding connection of the protective shell 5 is provided with a buffer plate 7, an inner cavity of the protective shell 5 is provided with a damping spring 6, and the inner wall sliding connection of the protective shell 5 is provided with a fixing device 8.

Referring to fig. 2, the buffer plate 7 has a circular arc shape, the outer wall of the elevator shaft 1 is provided with a square groove, and the shape of the square groove is matched with that of the protective shell 5, so that the protective shell 5 is conveniently taken out from the square groove, and personnel can conveniently install the protective shell 5.

Referring to fig. 5, the fixing device 8 includes a fixing rod 801, a reset spring 802 is slidably sleeved on an outer surface of the fixing rod 801, a clamping block 803 is slidably connected to an outer wall of the fixing rod 801, and a pull rod 804 is fixedly arranged on an inner wall of the clamping block 803.

Referring to fig. 5, the pull rod 804 penetrates through the fixing rod 801 to be connected with the inner wall of the clamping block 803, the outer wall of the protecting shell 5 is provided with a clamping groove, and the inner wall of the clamping groove is slidably connected with the clamping block 803.

The theory of operation is through the shock attenuation board 305 that is equipped with for extrude shock attenuation board 305 when dropping to the pouring weight, the attenuator 304 of connection is rotated through the bottom of shock attenuation board 305, make the attenuator 304 atress remove, keep away from the movable block 303 of one end rotation connection of shock attenuation board 305 through the attenuator 304, make movable block 303 atress remove, and then make movable block 303 extrude buffer spring 302, reach the purpose of buffering shock attenuation board 305 and movable block 303, through removing the protecting crust 5, make protecting crust 5 extrude fixture block 803, the return spring 802 that is equipped with through the outer wall of fixture block 803, make fixture block 803 remove extrusion return spring 802, and then make the elastic potential energy of return spring 802 increase, the draw-in groove of seting up through the outer wall of protecting crust 5, make the fixture block 803 get into the draw-in groove through the elastic potential energy of return spring 802, reach the purpose of fixing protecting crust 5, through pulling pull rod 804, drive fixture block breaks away from the draw-in groove of seting up of the outer wall of protecting crust 5, make the protecting crust 5 dismantle, be convenient for change protecting crust 5.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Counterweight buffering device for elevator installation, comprising an elevator hoistway (1), and being characterized in that: the elevator is characterized in that the mounting plate (2) is arranged at the bottom of the elevator shaft (1), the damping device (3) is arranged at the top of the mounting plate (2), the round rod (301) is arranged in the damping device (3), the buffer spring (302) is sleeved on the outer surface of the round rod (301) in a sliding mode, the moving block (303) is connected with the outer wall of the round rod (301) in a sliding mode, the damper (304) is connected with the top of the moving block (303) in a rotating mode, and one end, away from the moving block (303), of the damper (304) is connected with the damping plate (305) in a rotating mode.

2. The counterweight buffering device for elevator installation according to claim 1, wherein: a sliding groove is formed in the top of the mounting plate (2), and the inner wall of the sliding groove is in sliding connection with the moving block (303).

3. The counterweight buffering device for elevator installation according to claim 1, wherein: the inner wall sliding connection of elevator shaft (1) has to heavy haulage rope (4), the outer wall sliding connection of elevator shaft (1) has protecting crust (5), the inner wall sliding connection of protecting crust (5) has buffer board (7), the inner chamber of protecting crust (5) is equipped with damping spring (6), the inner wall sliding connection of protecting crust (5) has fixing device (8).

4. A counterweight buffering device for elevator installation according to claim 3, wherein: the shape of the buffer plate (7) is arc-shaped, a square groove is formed in the outer wall of the elevator shaft (1), and the shape of the square groove is matched with that of the protective shell (5).

5. A counterweight buffering device for elevator installation according to claim 3, wherein: the fixing device (8) comprises a fixing rod (801), a reset spring (802) is sleeved on the outer surface of the fixing rod (801) in a sliding mode, a clamping block (803) is connected to the outer wall of the fixing rod (801) in a sliding mode, and a pull rod (804) is fixedly arranged on the inner wall of the clamping block (803).

6. The counterweight buffering device for elevator installation according to claim 5, wherein: the pull rod (804) penetrates through the fixing rod (801) to be connected with the inner wall of the clamping block (803), a clamping groove is formed in the outer wall of the protective shell (5), and the inner wall of the clamping groove is connected with the clamping block (803) in a sliding mode.