CN216082008U

CN216082008U - Elevator buffer performance testing machine

Info

Publication number: CN216082008U
Application number: CN202122673211.XU
Authority: CN
Inventors: 刘鹏; 刘毅凡; 刘仕国
Original assignee: Shanghai Chunxin Electromechanical Technology Co ltd
Current assignee: Shanghai Chunxin Electromechanical Technology Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-18
Anticipated expiration: 2031-11-03

Abstract

The utility model belongs to the technical field of elevator safety detection, and particularly relates to an elevator buffer performance testing machine which comprises a rack, a testing device and a testing device, wherein the rack consists of a base and four supporting columns, and the four supporting columns are fixedly arranged at four corners of the upper end surface of the base; the buffer is fixedly arranged on the base through a bolt; the balance device comprises a counterweight mechanism and a traction mechanism which are respectively arranged on two sides of the frame, the counterweight mechanism is connected with the traction mechanism through a traction rope, and the counterweight mechanism is positioned right above the buffer; and the driving mechanism is arranged on the base and is used for matching with the traction mechanism to drive the counterweight mechanism to lift along the direction of the strut. The dynamic test device overcomes the defects of the prior art, and can dynamically test the large-tonnage buffer by using the low-power driving host machine through the balance difference relation between the counterweight mechanism and the traction mechanism, thereby achieving the same test effect on the basis of low power and low cost.

Description

Elevator buffer performance testing machine

Technical Field

The utility model belongs to the technical field of elevator safety detection, and particularly relates to an elevator buffer performance testing machine.

Background

The buffer is arranged on the ground of the shaft pit. If for some reason, the buffer is a braking device used for absorbing or consuming the kinetic energy of the car or the counterweight when the car or the counterweight exceeds the limit position and the bottom of the pier occurs.

The performance of the elevator buffer is tested, and the running state, the speed and the reset time of the elevator buffer are evaluated by applying impact force; the existing dynamic detection equipment for the elevator buffer is large in driving host power, the buffer is often tested by directly lifting a heavy object, the dynamic detection equipment is suitable for a small tonnage buffer, but for a large tonnage buffer, a large-power driving host needs to be adopted, the large-power driving host generates large energy consumption, high cost is generated, the size is large, inconvenience is generated on energy consumption and installation, and the dynamic detection equipment for the elevator buffer also does not accord with the energy-saving principle advocated by the state.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a performance testing machine for an elevator buffer, which overcomes the defects of the prior art and can realize the test of a buffer with large tonnage by using a low-power driving host machine and a traction mechanism.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

an elevator buffer performance testing machine comprises

The rack consists of a base and four supporting columns, and the four supporting columns are fixedly arranged at four corners of the upper end surface of the base;

the buffer is fixedly arranged on the base through a bolt;

the balance device comprises a counterweight mechanism and a traction mechanism which are respectively arranged on two sides of the frame, the counterweight mechanism is connected with the traction mechanism through a traction rope, and the counterweight mechanism is positioned right above the buffer;

and the driving mechanism is arranged on the base and is used for matching with the traction mechanism to drive the counterweight mechanism to lift along the direction of the strut.

Further, the top of frame sets firmly a plurality of backup pads, and installs the traction wheel in the backup pad, the one end and the counter weight mechanism of haulage rope can be dismantled and be connected, and the other end is connected with drive mechanism behind a plurality of traction wheels in proper order.

Further, counter weight mechanism and drive mechanism's structure is unanimous, includes the frame of compriseing a back timber, two curb plates and a supporting seat, and is provided with a plurality of balancing weights in the frame.

Further, the both ends of curb plate all set firmly the slider, the pillar is close to one side surface of counter weight mechanism and is provided with the slide rail, slider sliding connection is on the slide rail.

Furthermore, a plurality of through holes are formed in the side plate along the length direction of the side plate, and two ends of the supporting seat are connected with the through holes in the side plate through bolts respectively.

Further, the driving mechanism comprises a motor fixedly arranged on the base and a driving rope wound on the outer side of an output shaft of the driving motor, and the other end of the driving rope is fixedly connected with the lower end face of the traction mechanism.

Furthermore, a bolt is inserted into the bottom end of the traction mechanism, two positioning seats are arranged below the bolt and fixedly arranged on the support, a supporting bolt and a positioning bolt are respectively arranged on the two positioning seats, one end of the supporting bolt is movably arranged on the lower end face of the bolt, and one end of the positioning bolt is in threaded connection with the bolt.

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

according to the elevator buffer performance testing machine, the dynamic test can be performed on the large-tonnage buffer by using the low-power driving host machine through the balance difference relation between the counterweight mechanism and the traction mechanism, and the same test effect can be achieved on the basis of low power and low cost.

Drawings

Fig. 1 is a schematic structural diagram of an elevator buffer performance testing machine.

FIG. 2 is a schematic structural diagram of a counterweight mechanism in an elevator buffer performance testing machine

Fig. 3 is an enlarged schematic view of a part a of an elevator buffer performance tester.

Fig. 4 is an enlarged schematic view of a portion B of an elevator buffer performance tester.

In the figure: 1. a base; 2. a pillar; 201. a slide rail; 3. a drive motor; 4. a drive rope; 5. a traction wheel; 6. a hauling rope; 7. a support plate; 8. a counterweight mechanism; 801. a top beam; 802. a side plate; 803. a balancing weight; 804. a supporting seat; 805. a slider; 9. a traction mechanism; 10. a buffer; 11. positioning seats; 12. a bolt; 13. positioning the bolt; 14. and supporting the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-4, the performance testing machine for the elevator buffer comprises

The rack consists of a base 1 and four supporting columns 2, and the four supporting columns 2 are fixedly arranged at four corners of the upper end surface of the base 1;

the buffer 10 is fixedly arranged on the base 1 through bolts;

the balancing device comprises a counterweight mechanism 8 and a traction mechanism 9 which are respectively arranged on two sides of the frame, the counterweight mechanism 8 is connected with the traction mechanism 9 through a traction rope 6, and the counterweight mechanism 8 is positioned right above the buffer 10; the driving mechanism is arranged on the base 1 and is used for matching with the traction mechanism 9 to drive the counterweight mechanism 8 to lift along the direction of the pillar 2; the top end of the rack is fixedly provided with a plurality of supporting plates 7, the supporting plates 7 are provided with traction wheels 5, one end of a traction rope 6 is detachably connected with a counterweight mechanism 8, the other end of the traction rope passes through the plurality of traction wheels 5 in sequence and then is connected with a traction mechanism 9, one end of the traction rope 6 close to the counterweight mechanism 8 is provided with a unhooking device, and the unhooking device can adopt the existing unhooking structure and can be operated manually or electrically; the counterweight mechanism 8 and the traction mechanism 9 have the same structure, and comprise a frame consisting of a top beam 801, two side plates 802 and a support seat 804, and a plurality of counterweight blocks 803 are arranged in the frame.

When the buffer 10 is detected, the buffer 10 to be detected is fixed at the installation position on the base 1; the method comprises the steps that a counterweight mechanism 8 and a traction mechanism 9 with proper weight are selected according to the tonnage of a buffer 10, the traction mechanism 9 is utilized to balance the weight of the counterweight mechanism 8, a low-power driving mechanism is started to be matched with the traction mechanism 9 to lift the counterweight mechanism 8 to the height required by a test, then the counterweight mechanism 8 freely falls under the action of gravity after unhooking, the counterweight mechanism 8 collides with the buffer 10, and accordingly dynamic detection data of the buffer 10 are obtained.

In order to stabilize the movement, two ends of the side plate 802 are fixedly provided with a sliding block 805, the surface of one side of the pillar 2 close to the counterweight mechanism 8 is provided with a sliding rail 201, the sliding block 805 is connected on the sliding rail 201 in a sliding manner, and the counterweight mechanism 8 and the traction mechanism 9 are connected with the sliding rail 201 and the sliding block 805 to limit the movement direction of the counterweight mechanism 8 and the traction mechanism 9 in the up-and-down lifting process.

For convenience of adjustment, a plurality of through holes are formed in the side plate 802 along the length direction of the side plate, two ends of the supporting seat 804 are connected with the through holes in the side plate 802 through bolts, and the number of the balancing weights 803 between the supporting seat 804 and the top beam 801 can be adjusted by adjusting the height of the supporting seat 804.

For driving convenience, the driving mechanism comprises a motor fixedly arranged on the base 1 and a driving rope 4 wound on the outer side of an output shaft of the driving motor 3, and the other end of the driving rope 4 is fixedly connected with the lower end face of the traction mechanism 9.

In order to fix the position of the traction mechanism 9, a plug pin 12 is inserted into the bottom end of the traction mechanism 9, two positioning seats 11 are arranged below the plug pin 12, the two positioning seats 11 are fixedly arranged on the strut 2, a supporting bolt 14 and a positioning bolt 13 are respectively arranged on the two positioning seats 11, one end of the supporting bolt 14 is movably arranged on the lower end face of the plug pin 12, and one end of the positioning bolt 13 is in threaded connection with the plug pin 12; when the counterweight mechanism 8 is lifted to a required position, the bolt 12 is inserted into a through hole at the bottom of the traction mechanism 9, the bolt 12 is lapped on the supporting bolt 14 and the positioning bolt 13 at the moment, then the positioning bolt 13 is rotated to enable the positioning bolt 13 to be stably connected with the bolt 12, and the counterweight mechanism 8 is released through the unhooking mechanism after the traction mechanism 9 is fixed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An elevator buffer performance testing machine which is characterized in that: comprises that

The rack consists of a base (1) and four supporting columns (2), and the four supporting columns (2) are fixedly arranged at four corners of the upper end surface of the base (1);

the buffer (10) is fixedly arranged on the base (1) through a bolt;

the balance device comprises a counterweight mechanism (8) and a traction mechanism (9) which are respectively arranged on two sides of the rack, the counterweight mechanism (8) is connected with the traction mechanism (9) through a traction rope (6), and the counterweight mechanism (8) is positioned right above the buffer (10);

and the driving mechanism is arranged on the base (1) and is used for matching with the traction mechanism (9) to drive the counterweight mechanism (8) to lift along the direction of the strut (2).

2. An elevator buffer performance testing machine according to claim 1, characterized in that: the top of frame sets firmly a plurality of backup pads (7), and installs traction wheel (5) on backup pad (7), the one end and the counter weight mechanism (8) of haulage rope (6) can be dismantled and be connected, and the other end is connected with drive mechanism (9) after passing through a plurality of traction wheel (5) in proper order.

3. An elevator buffer performance testing machine according to claim 2, characterized in that: the counterweight mechanism (8) is consistent with the traction mechanism (9) in structure, and comprises a frame consisting of a top beam (801), two side plates (802) and a supporting seat (804), and a plurality of counterweight blocks (803) are arranged in the frame.

4. An elevator buffer performance testing machine according to claim 3, characterized in that: the two ends of the side plate (802) are fixedly provided with sliding blocks (805), one side surface of the support column (2) close to the counterweight mechanism (8) is provided with a sliding rail (201), and the sliding blocks (805) are connected to the sliding rail (201) in a sliding mode.

5. An elevator buffer performance testing machine according to claim 3, characterized in that: a plurality of through holes are formed in the side plate (802) along the length direction of the side plate, and two ends of the supporting seat (804) are connected with the through holes in the side plate (802) through bolts respectively.

6. An elevator buffer performance testing machine according to claim 1, characterized in that: the driving mechanism comprises a motor fixedly arranged on the base (1) and a driving rope (4) wound on the outer side of an output shaft of the driving motor (3), and the other end of the driving rope (4) is fixedly connected with the lower end face of the traction mechanism (9).

7. An elevator buffer performance testing machine according to claim 1, characterized in that: the bottom end of the traction mechanism (9) is inserted with a bolt (12), two positioning seats (11) are arranged below the bolt (12), the two positioning seats (11) are fixedly arranged on the support column (2), a supporting bolt (14) and a positioning bolt (13) are respectively arranged on the two positioning seats (11), one end of the supporting bolt (14) is movably arranged on the lower end face of the bolt (12), and one end of the positioning bolt (13) is in threaded connection with the bolt (12).