Elevator speed governor lifting device

Abstract

The utility model provides an elevator speed governor lifting device which solves the problems that due to the fact that an existing elevator speed governor lifting device is too long and occupies a large space, the depth of a pit of an elevator shaft is increased, and the adaptability of elevator products is affected. According to the technical scheme, the elevator speed governor lifting device comprises a lifting plate used for connecting an upper speed governor steel wire rope head and a lower tensioning device rope head of an elevator, a lantern ring is arranged at the upper end of the lifting plate, a plurality of steel wire rope clamps are sequentially arranged in the middle of the lifting plate in the longitudinal direction, and a pin shaft used for being connected with a safety tongs lifting wrench is arranged at the lower end of the lifting plate. And the rod part of the pin shaft is provided with a gasket. The length of the lifting device is shortened, the structure is simple, the lifting device is firmly connected with a steel wire rope and a lifting wrench, the pit design depth is reduced, and the product competitiveness is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator equipment safety, in particular to an elevator speed limiter lifting device, which is applicable to the safety protection of vertical elevators. Background Technique

[0002] At present, with the increasingly perfect development of the elevator industry and the increasingly fierce market competition, the safety problems and adaptability of elevators have received more attention from people. The speed limiter, safety gear and tensioning device are the safety protection devices of the elevator. This device mainly makes the car stop when the elevator has problems and runs overspeed, protects the lives of passengers, and plays a protective role for the entire elevator device at the same time. The speed limiter lifting mechanism is a crucial component that transmits the instruction action of the speed limiter to the safety gear to make the safety gear brake reliably. Since the speed limiter lifting mechanism is connected to the speed limiter and the tensioning device through a steel wire rope, in order to avoid the speed limiter lifting mechanism colliding with the tensioning device at the lowest position of the elevator, a reasonable pit depth needs to be designed. As Figure 6 shown, most of the existing speed limiter lifting devices use a structure with a collar at each end fixed on a steel plate, and then the steel wire rope is fixed to the collars at both ends of the lifting mechanism through wire rope clips. A plurality of wire rope clips are arranged in sequence along the length direction of the steel wire rope at the upper and lower ends of the lifting plate, which has the problem of a long vertical distance, and the risk of collision with the tensioning device will also increase. A deeper pit needs to be designed, which affects the pit depth of the elevator, affects the adaptability of the product, and ultimately affects the competitiveness of the elevator product. Summary of the Invention

[0003] The purpose of the utility model is to provide an elevator speed limiter lifting device, which solves the problem that the existing elevator speed limiter lifting device has a large occupied space due to its excessive length, resulting in an increase in the pit depth of the elevator shaft and affecting the adaptability of the elevator product. It shortens the length of the lifting device, has a simple structure, is firmly connected to the steel wire rope and the lifting wrench, and reduces the designed depth of the pit.

[0004] The technical solution adopted by the utility model is: the elevator speed limiter lifting device includes a lifting plate for connecting the upper speed limiter steel wire rope head and the lower tensioning device rope head of the elevator. The technical key points are: a collar is arranged at the upper end of the lifting plate, a plurality of wire rope clips are longitudinally arranged in sequence in the middle of the lifting plate, a pin shaft for connecting the safety gear lifting wrench is arranged at the lower end of the lifting plate, the pin shaft is limited by a pin inserted at one end, and a gasket is arranged on the rod part of the pin shaft.

[0005] The number of the wire rope clips is three arranged longitudinally.

[0006] The clamping ends of the wire rope clips and the pins of the pin shaft are respectively arranged on both sides of the lifting plate.

[0007] The advantages and beneficial effects of the present utility model are as follows: Since the present utility model is provided with a collar at the upper end of the lifting plate, the end rope sleeves of the upper speed limiter wire rope head and the lower tensioning device rope head can be directly hung and fixed through the collar at the same time, which increases the firmness of the connection with the upper speed limiter wire rope head and the lower tensioning device rope head; A plurality of wire rope clips are longitudinally arranged in sequence in the middle of the lifting plate, and the wire rope clips in the middle of the lifting plate can be directly used to clamp and fix the lower tensioning device rope head, avoiding the need to set a plurality of wire rope clips below the lifting plate to increase the length of the wire rope. Moreover, the tensioning device rope head is longitudinally fixed on the lifting plate through the wire rope clip, which also avoids interfering with the connection of the tensioning device; A pin shaft for connecting the safety gear lifting wrench is provided at the lower end of the lifting plate. The pin shaft is limited by a pin inserted at one end, and a gasket is provided on the rod part of the pin shaft, which can facilitate the connection with the safety gear lifting wrench. Therefore, it integrates the wire rope clip and only uses a single collar on the lifting plate, shortens the length of the lifting device, can greatly reduce the installation space, has a simple structure, is firmly connected with the wire rope and the safety gear lifting wrench, reduces the design depth of the pit, and enhances the product competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present utility model will be further described below with reference to the accompanying drawings.

[0009] Figure 1 is a schematic structural diagram of an embodiment of the speed limiter lifting device of the present utility model;

[0010] Figure 2 is Figure 1 the left view of

[0011] Figure 3 is a schematic structural diagram of the installation state of the present utility model;

[0012] Figure 4 is Figure 3 the left view of

[0013] Figure 5 is a schematic structural diagram of the present utility model installed at the bottom of the elevator shaft.

[0014] Figure 6 is a schematic structural diagram of an existing speed limiter lifting device installed at the bottom of the elevator shaft.

[0015] Explanation of the serial numbers in the figures: 1 collar, 2 lifting plate, 3 wire rope clip, 4 pin shaft, 5 gasket, 6 pin, 7 speed limiter lifting device, 8 safety gear lifting wrench, 9 safety gear, 10 speed limiter wire rope head, 11 tensioning device rope head. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0016] According to Figures 1 to 6 the specific structure of the present utility model will be described in detail. The embodiments are as Figure 1 and Figure 2As shown, an elevator overspeed governor lifting device, the main body of the overspeed governor lifting device 7 is a lifting plate 2, and a collar 1 is arranged at the upper end of the lifting plate by using a mounting hole, as Figure 3 and Figure 4 shown, which is used to connect the upper overspeed governor wire rope head 10 and the lower tensioning device wire rope head 11 of the elevator. The wire rope clip 3 passes through the hole of the lifting plate 2 and is then connected and fixed with its own nut; a plurality of wire rope clips 3 are longitudinally arranged in sequence in the middle of the lifting plate 2. The wire rope clip 3 passes through the hole of the lifting plate 2 and is then connected and fixed with its own nut. It is optimal to use three wire rope clips arranged longitudinally. The tensioning device wire rope head 11 is longitudinally fixed on the lifting plate 2 through the wire rope clip 3. The lower end of the lifting plate 2 is provided with a pin shaft 4 for connecting the safety gear lifting wrench 8 through a lower mounting hole. The pin shaft 4 is limited by a pin 6 inserted at one end. A gasket 5 is arranged on the rod part of the pin shaft. The pin shaft 4 passes through the holes of the gasket 5 and the lifting plate 2 respectively, and is then fixed with the pin 6.

[0017] As a further improvement, the clamping end of the wire rope clip 3 and the pin 6 of the pin shaft can be respectively arranged on both sides of the lifting plate, so that the lower tensioning device wire rope head 11 and the safety gear lifting wrench 8 are respectively arranged on both sides of the lifting plate 2, avoiding interfering with the setting and movement of the safety gear lifting wrench, and further ensuring that the connection of the tensioning device is not interfered.

[0018] As Figure 5 and Figure 6 described, in the installation state of the present utility model, the length of the connection section between the upper overspeed governor wire rope head and the lower tensioning device wire rope head is shortened, and the depth of the bottom of the elevator hoistway is significantly smaller than that of the existing elevator hoistway bottom.

[0019] During the specific installation process, the overspeed governor wire rope head 10 bypasses the collar 1, and the tensioning device wire rope head 11 passes through the collar 1, and then is fixed on the overspeed governor lifting device 7 by the wire rope clip 3. The overspeed governor lifting device 7 is connected and fixed to the lifting plate 2 through the pin shaft 4 and the pin 6, and the safety gear lifting wrench 8 is connected to the safety gear 9. When the car overspeed alarms, the overspeed governor sends a signal to pull the wire rope. The wire rope drives the overspeed governor lifting device 7, the overspeed governor lifting device 7 drives the safety gear lifting wrench 8, and the safety gear lifting wrench 8 drives the safety gear 9, so that the safety gear 9 tightly holds the guide rail to realize the braking of the car. Therefore, it integrates the wire rope clip and only uses a single collar on the lifting plate, shortens the length of the lifting device, can greatly reduce the installation space, has a simple structure, is firmly connected to the wire rope and the safety gear lifting wrench, reduces the design depth of the pit, and enhances the product competitiveness.

[0020] In summary, the purpose of the present utility model is achieved.

Claims

1. An elevator speed governor lifting device, comprising: A lifting plate used to connect the upper speed limiter wire rope end and the lower tensioning device rope end of an elevator is characterized in that a ring is provided at the upper end of the lifting plate, a plurality of wire rope clamps are longitudinally arranged in sequence in the middle of the lifting plate, a pin shaft for connecting the safety clamp lifting wrench is provided at the lower end of the lifting plate, the pin shaft is limited by a pin inserted at one end, and a gasket is provided on the pin shaft rod.

2. The elevator speed governor lifting device according to claim 1, characterized in that: The number of the wire rope clamps is three and they are arranged longitudinally.

3. The elevator speed governor lifting device according to claim 1, characterized in that: The clamping end of the wire rope clamp and the pin of the pin shaft are respectively arranged on both sides of the lifting plate.

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