CN210682882U

CN210682882U - Rescue device for electric lift car after damage of elevator main machine and band-type brake

Info

Publication number: CN210682882U
Application number: CN201921467831.4U
Authority: CN
Inventors: 李洪英; 白根春
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-08
Filing date: 2019-09-05
Publication date: 2020-06-05
Anticipated expiration: 2029-09-05

Abstract

The utility model provides an electronic lift car rescue device of pulling behind elevator host computer, band-type brake are bad, include: the mounting seat is mounted on the inner wall of the elevator shaft or the frame; the first pressing wheel is arranged on the mounting seat and can rotate relative to the mounting seat; the sliding seat is slidably arranged on the mounting seat, and the sliding direction of the sliding seat relative to the mounting seat is a horizontal direction; the first pressing wheel and the second pressing wheel are used for clamping the steel wire rope in a matched manner; the first driving device is connected with the sliding seat and used for driving the second pinch roller to move in the direction far away from or close to the steel wire rope; and the first rotary driving device is arranged on the mounting seat and is connected with the first pinch roller. This elevator host computer, contracting brake are broken back electronic lift car rescue device solve among the prior art host computer part damage back rescue manual work and carry the lift car and have the problem of safety risk.

Description

Rescue device for electric lift car after damage of elevator main machine and band-type brake

Technical Field

The utility model relates to a accessory for the elevator, concretely relates to elevator host computer, band-type brake are electronic to be carried and are drawn car rescue device after bad.

Background

In the prior art, a traction motor is installed at the top of an elevator shaft, the traction motor is installed on a rack, the rack is fixed on the inner wall of the elevator shaft or a steel frame, the traction motor is connected with a traction sheave, the traction sheave is bypassed by a steel wire rope, one end of the steel wire rope is suspended with a counterweight, the other end of the steel wire rope is suspended with a car, the traction motor adjusts the height position of the car through the traction sheave, so that the car is lifted, and the traction motor, the traction sheave and the like form a main machine of the elevator. Although the driving of the car can be realized, the structure still has the following defects:

there is the computer lab elevator host computer in the computer lab, no computer lab elevator host computer is in the well, because the host computer part damages easily, leads to the car to stop at a certain position, needs the manual work to carry and draws the car to make the car stop at a certain floor, rescue operating personnel has the risk of falling from the elevartor shaft, leads to unsafe factor to exist. And the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an elevator host computer, contracting brake are electronic to be carried after bad and are drawn car rescue device solves among the prior art rescue manual work and carry the car and have the problem of safe risk after the host computer part damages. And the efficiency is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model firstly provides an elevator host computer, band-type brake are bad back electronic to be carried and are drawn car rescue device, include:

a mounting seat mounted on an inner wall of the elevator shaft;

the first pressing wheel is arranged on the mounting seat and can rotate relative to the mounting seat;

the sliding seat is slidably arranged on the mounting seat, and the sliding direction of the sliding seat relative to the mounting seat is a horizontal direction;

the first pressing wheel and the second pressing wheel are used for clamping the steel wire rope in a matched manner;

the first driving device is connected with the sliding seat and used for driving the second pinch roller to move in the direction far away from or close to the steel wire rope; and

and the first rotary driving device is arranged on the mounting seat and is connected with the first pinch roller, and the first rotary driving device is used for driving the first pinch roller to rotate.

The utility model also provides an elevator host computer, the bad back electronic lift car rescue device of band-type brake, a serial communication port, include:

a clamping device for clamping the wire rope; and

and the lifting device is used for lifting the clamping device and is arranged on the inner wall of the elevator shaft or the main frame.

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

(1) the phenomenon that the lift car can move downwards but not upwards only by using a force amplifying mechanism in the manual rescue device in the prior art is avoided, the lift car can be aligned with nearby floors after running on the lift car, and rescue is convenient to realize.

(2) The phenomenon that the pit is not provided with the operation instruction and the safety notice of the manual emergency barring rescue device is avoided.

(3) The phenomenon that tools are temporarily found everywhere due to the fact that auxiliary tools for opening the brake and turning the vehicle are incomplete and spare parts for standby are lacked during daily inspection in the prior art is avoided.

(4) The problem that whether the turning tool meets the national standard or not is not known to be a disc type, so that the turning tool is inconvenient to use in the prior art is solved.

(5) The phenomenon that maintenance personnel are unfamiliar with the installation and the use of the manual emergency rescue device structure is avoided.

(6) The phenomenon that rescue is difficult due to the fact that manufacturers in the prior art supply goods unevenly is avoided.

(7) The problem that rescue cannot be realized when a host and a band-type brake are broken because a manual emergency rescue operation device is not provided at all and only an emergency electric operation mechanism is relied on in the prior art is solved.

(8) Even there is its device when the manual emergency rescue of no computer lab, some products also need maintenance personal to cooperate the side closely between top layer and pit to get rid of poverty, the utility model provides a following defect that the pit rescue brought: the maintenance personnel do not know how to contact and open the brake, and if the mobile phone is used, the mobile phone cannot be guaranteed to have no electricity or no signal blockage.

(9) The problem of among the prior art (because of the too loose, tension of acting as go-between or acting as go-between rupture) the brake band-type brake failure makes the car directly rush to the pit and lead to endangering maintenance personal safety is solved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of an electric car lifting rescue device after an elevator main machine and a band-type brake are broken in embodiment 1;

fig. 2 is a schematic structural view of an electric car lifting rescue device after an elevator main machine and a band-type brake are broken in embodiment 2;

FIG. 3 is a cross-sectional view of the first drive or the second drive;

fig. 4 is a schematic structural view of an electric car lifting rescue device after an elevator main machine and a band-type brake break in embodiment 3;

fig. 5 is a schematic structural view of an electric car lifting rescue device after an elevator main machine and a band-type brake break in embodiment 5.

Reference numerals: the device comprises a mounting seat 1, a first pressing wheel 2, a sliding seat 3, a second pressing wheel 4, a first driving device 5, a driving rod 51, a permanent magnet 52, a shell 53, an electromagnet 54, a spring 55, a steel wire rope 6, a seat body 71, a moving seat 72, a clamping mechanism 73, a pulling component 74, a winch 75, a pull-back device 76, a connecting block 761, a tension spring 762, a first pressing block 771, a second pressing block 772, a second driving device 773, a driving block 81, a guide rail 82, a second rotary driving device 83, a third rotary driving device 91, a gear 92 and a rack 93.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

example 1:

as shown in fig. 1 and 3, the utility model provides an elevator host computer, contracting brake are bad back electronic lift car rescue device, include:

the mounting seat 1 is mounted on the inner wall of the elevator shaft or a frame;

the first pinch roller 2 is arranged on the mounting seat 1, and the first pinch roller 2 can rotate relative to the mounting seat 1;

a sliding seat 3 which is slidably installed on the installation seat 1, wherein the sliding direction of the sliding seat 3 relative to the installation seat 1 is a horizontal direction;

the second pinch roller 4 is arranged on the sliding seat 3, and the first pinch roller 2 and the second pinch roller 4 are used for clamping the steel wire rope 6 in a matching manner;

the first driving device 5 is connected with the sliding seat 3, and the first driving device 5 is used for driving the second pinch roller 4 to move in the direction far away from or close to the steel wire rope 6; and

and the first rotary driving device (not shown) is arranged on the mounting seat 1, is connected with the first pinch roller 2, and is used for driving the first pinch roller 2 to rotate.

In order to improve the friction force and ensure that enough power can lift the lift car, the number of the first pinch rollers 2 and the number of the second pinch rollers 4 are at least three, each first pinch roller 2 is correspondingly connected with a first rotary driving device, and all the second pinch rollers 4 are arranged on a sliding seat 3. In order to facilitate the driving of all the second pinch rollers 4, the second pinch rollers 4 are mounted on one slide 3, and the use of the first driving device 5 is reduced.

In order to realize the first drive arrangement 5 that design simple structure, and first drive arrangement 5 is small, avoids taking the operation of great space influence car etc, first drive arrangement 5 includes: the driving rod 51, the permanent magnet 52, the shell 53 and the electromagnet 54, the shell 53 is fixed on the mounting base 1, a mounting cavity is formed in the shell 53, one end of the driving rod 51 extends into the mounting cavity and is fixed to the permanent magnet 52, the other end of the driving rod 51 is fixed to the sliding base 3, the electromagnet 54 is installed in the shell 53, the electromagnet 54 is installed in the mounting cavity, the electromagnet 54 is located on one side of the permanent magnet 52 departing from the driving rod 51, and the electromagnet 54 and the permanent magnet 52 repel each other after the electromagnet 54 is electrified. In this embodiment, the first driving device 5 is of an electromagnetic type, but the first driving device 5 may be of a hydraulic cylinder driving type, a screw type (i.e., an electric cylinder type), or the like.

In order to avoid causing the wearing and tearing of second pinch roller 772 because of second pinch roller 4 and wire rope 6 contact when normal operating, avoid pressing from both sides wire rope 6 because of can't cooperate with first pinch roller 2 after second pinch roller 4 wears to press from both sides, first drive arrangement 5 still includes: and a spring 55, wherein one end of the spring 55 is fixed to the driving rod 51, the other end of the spring 55 is fixed to the inner wall of the installation cavity, and the second pinch roller 4 is not in contact with the steel wire rope 6 under the elastic force of the spring 55.

In order to provide a first rotary driving device with a simple structure, the first rotary driving device comprises a motor, the motor is arranged on the mounting seat 1, and a rotating shaft of the motor is fixed with the first pinch roller 2.

Example 2:

this example differs from example 1 in that: because the first pinch roller 2 pulls the car through friction after the first pinch roller 2 is driven to rotate in the embodiment 1, the pulling force in the embodiment 1 is not very large, and the car may descend under the self gravity because the friction force of the first pinch roller 2 is insufficient, but the embodiment 1 has a simple structure, a large lifting distance at a time, and is convenient for production, and in order to avoid the defects of the embodiment 1, the clamping pulling is realized in the embodiment 2, and the execution effect is better.

As shown in fig. 2 and 3, the present embodiment provides an electric car lifting rescue device after an elevator main machine and a band-type brake are broken, including:

a clamping device for clamping the wire rope 6; and

In order to design a simply structured clamping device, the clamping device comprises:

a base body 71 mounted on an inner wall of the elevator shaft or the main frame;

a moving seat 72 installed on the seat body 71, the moving seat 72 being capable of moving in a vertical direction with respect to the seat body 71; and

and a clamping mechanism 73 mounted on the moving seat 72, the clamping mechanism 73 being for clamping the wire rope 6.

In order to design simple structure's elevating gear, elevating gear includes:

a pulling member 74 having one end fixed to the clamping means; (the pulling member 74 may be a rope or chain)

A hoist 75 installed beside the clamping device, the hoist 75 being convoluted with the other end of the pulling member 74, the clamping device being movable relative to the hoist 75; and

a pull-back device 76, which is arranged on the side of the clamping device facing away from the pull member 74, the output end of the pull-back device 76 being connected to the clamping device, the pull-back device 76 being used to lower the position of the clamping device.

Since the winding machine 75 can lift the car only by one section and it is necessary to stabilize the car to a certain position in order to continue the lifting, the second gripping mechanism 77 is used to stabilize the car to a certain position, then the grip of the gripping mechanism 73 is replaced, then the winding machine 75 continues to pull the wire rope 6 to raise the car, and the pull-back device 76 is used to lower the gripping mechanism 73 to replace the grip of the gripping mechanism 73 so that the gripping mechanism 73, the winding machine 75, the pulling member 74, and the pull-back device 76 cooperate to continue the lifting of the car.

In order to ensure the clamping force, the clamping mechanisms 73 each include:

a first compression block 771 fixedly mounted on the base 71;

the second pressing block 772 is slidably mounted on the base body 71, the sliding direction of the second pressing block 772 relative to the base body 71 is a horizontal direction, and the first pressing block 771 and the second pressing block 772 are used for clamping the steel wire rope 6 in a matching manner; and

and a second driving device 773 connected to the second pinch block 772, wherein the first driving device 5 is used for driving the second pinch roller 4 to move in a direction away from or close to the steel wire rope 6.

In order to realize the second driving device 773 with a simple design structure, and the second driving device 773 has a small size, and avoid occupying a large space to affect the operation of the car, etc., the second driving device 773 includes: the driving rod 51, the permanent magnet 52, the shell 53 and the electromagnet 54, wherein the shell 53 is fixed on the base 71, an installation cavity is formed in the shell 53, one end of the driving rod 51 extends into the installation cavity and is fixed to the permanent magnet 52, the other end of the driving rod 51 is fixed to the sliding block, the electromagnet 54 is installed in the shell 53, the electromagnet 54 is installed in the installation cavity, the electromagnet 54 is located on one side of the permanent magnet 52 departing from the driving rod 51, and the electromagnet 54 and the permanent magnet 52 repel each other after the electromagnet 54 is electrified.

In order to avoid the abrasion of the second pressing block 772 caused by the contact between the second pressing block 772 and the steel wire rope 6 in normal operation and avoid that the second pressing block 772 cannot be matched with the first pressing block 771 to clamp the steel wire rope 6 after being abraded, the second driving device 773 further includes: and a spring 55, one end of the spring 55 is fixed to the driving rod 51, the other end of the spring 55 is fixed to the inner wall of the installation cavity, and the second compression block 772 is not in contact with the steel wire rope 6 under the elastic force of the spring 55.

To reduce the use of power, and thus energy, the retraction device 76 includes: connecting block 761 and extension spring 762, extension spring 762 one end is connected with removing the seat 72, and the extension spring 762 other end is fixed with connecting block 761, and connecting block 761 is installed on pedestal 71. The clamping mechanism 73 can descend without strong power due to the gravity of the clamping mechanism 73, the retraction device 76 is arranged, the problem that the clamping mechanism 73 cannot descend smoothly due to the action of friction force is solved, the use of energy and a power source is reduced, and the environment protection is facilitated.

Example 3:

as shown in fig. 4, the present embodiment is different from embodiment 2 only in that: the lifting devices are different.

The utility model provides an elevator host computer, band-type brake are bad back electronic lift car rescue device, includes:

a clamping device for clamping the wire rope 6; and

The clamping device includes:

The lifting device comprises:

a driving block 81 connected to the clamping device;

a guide rail 82 installed on an inner wall of the elevator shaft or a main frame, a driving block 81 installed on the guide rail 82, the driving block 81 being movable in a vertical direction guided by the guide rail 82;

the screw penetrates through the driving block 81, and the driving block 81 is in threaded connection with the screw; and

and the output end of the second rotation driving device 83 is connected with the screw, and the second rotation driving device 83 is used for driving the screw to rotate. The second rotary drive 83 is constructed almost identically to the first rotary drive.

Example 4:

this embodiment differs from embodiment 2 only in that: the lifting devices are different.

The lifting device is a cylinder and/or a hydraulic cylinder.

Example 5:

The lifting device comprises:

a third rotary driving device 91 installed on an inner wall of the elevator shaft or the main frame;

a gear 92 connected to an output part of the third rotation driving device 91; and

and a rack 93 engaged with the gear 92, the rack 93 being fixed to the clamping device.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides an elevator host computer, contracting brake are bad back electronic lift car rescue device which characterized in that includes:

the mounting seat is mounted on the inner wall of the elevator shaft or the main frame;

2. The rescue device for the electric lift car after the elevator main engine and the band-type brake are damaged according to claim 1, characterized in that the number of the first pressing wheels and the number of the second pressing wheels are at least three, each first pressing wheel is correspondingly connected with a first rotary driving device, and all the second pressing wheels are installed on a sliding seat.

3. The rescue device for the electric lift car after the breakdown of the main machine and the band-type brake of the elevator as claimed in claim 2, wherein the first driving device comprises: the driving rod, the permanent magnet, casing and electro-magnet, the casing is fixed on the mount pad, has seted up the installation cavity in the casing, and driving rod one end is stretched into and is fixed to the permanent magnet in the installation cavity, and the driving rod other end is fixed to the slide, installs the electro-magnet in the casing, and the electro-magnet is installed in the installation cavity, and the electro-magnet is located the permanent magnet and deviates from driving rod one side, and electro-magnet and permanent magnet repel each other after.

4. The rescue device for the electric lift car after the breakdown of the main machine and the band-type brake of the elevator as claimed in claim 3, wherein the first driving device further comprises: and one end of the spring is fixed to the driving rod, the other end of the spring is fixed to the inner wall of the installation cavity, and the second pinch roller is not in contact with the steel wire rope under the elastic force of the spring.

5. The rescue device for the elevator car lifted electrically after the main machine and the band-type brake of the elevator are damaged according to any one of claims 1 to 4, characterized in that the first rotary driving device comprises a motor, the motor is installed on the installation seat, and a rotating shaft of the motor is fixed with the first pressing wheel.

6. The utility model provides an elevator host computer, contracting brake are bad back electronic lift car rescue device which characterized in that includes:

a clamping device for clamping the wire rope; and

7. The rescue device for the electric lift car after the elevator main engine and the band-type brake are broken according to claim 6, characterized in that the lifting device comprises:

a third rotary driving device installed on an inner wall of the elevator shaft or the main frame;

a gear connected to the third rotary drive output; and

and the rack is meshed with the gear and is fixed on the clamping device.

8. The rescue device for the elevator car lifted electrically after the main machine and the band-type brake of the elevator break according to claim 6 or 7, characterized in that the lifting device comprises:

one end of the pull rope is fixed with the clamping device;

the winch is arranged beside the clamping device, and the winch convolutes the other end of the pull rope, and the clamping device can move relative to the winch;

the pull-back device is arranged on one side, away from the pull rope, of the clamping device, the output end of the pull-back device is connected with the clamping device, and the pull-back device is used for lowering the position of the clamping device; and

and one end of the spring is fixed to the driving rod, the other end of the spring is fixed to the inner wall of the installation cavity, and the second pressing block is not in contact with the steel wire rope under the elastic force of the spring.

9. The rescue device for the elevator car lifted electrically after the main machine and the band-type brake of the elevator break according to claim 6 or 7, characterized in that the lifting device comprises:

a driving block connected with the clamping device;

the guide rail is arranged on the inner wall of the elevator shaft or the main frame, the driving block is arranged on the guide rail, and the driving block can move in the vertical direction under the guidance of the guide rail;

the screw penetrates through the driving block, and the driving block is in threaded connection with the screw; and

and the output end of the second rotary driving device is connected with the screw rod, and the second rotary driving device is used for driving the screw rod to rotate.

10. The rescue device for the electric lifting car after the main machine and the band-type brake of the elevator break according to claim 6 or 7, characterized in that the lifting device is a cylinder and/or a hydraulic cylinder.