CN217577926U

CN217577926U - Traction mechanism for increasing safety distance of elevator

Info

Publication number: CN217577926U
Application number: CN202221707769.3U
Authority: CN
Inventors: 华贡; 程剑; 赵先伟; 王毅
Original assignee: Eysar Elevator Co ltd
Current assignee: Eysar Elevator Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-10-14
Anticipated expiration: 2032-07-04

Abstract

The utility model relates to an improve haulage mechanism of elevator safe distance, including wire rope, fag end subassembly, hauler and direction rope sheave, the rotatable connection of direction rope sheave is on the car top of elevator, on the traction sheave of hauler is connected to wire rope one end, just wire rope walks around the direction rope sheave, the other end with fag end subassembly is connected, the hauler with the fag end subassembly is connected respectively on first roof-rack and second roof-rack, first roof-rack and second roof-rack are connected in the installation well of elevator, just first roof-rack with the second roof-rack all is located the vertical space outside position of car, improve elevator safe distance's haulage mechanism, give the letting out the space directly over the car, safe distance becomes the distance at top direction rope sheave to well top, and safe distance increases, need not to reduce the height of car.

Description

Traction mechanism for increasing safety distance of elevator

Technical Field

The utility model relates to an elevator equipment especially relates to an improve elevator safe distance's haulage mechanism.

Background

The traction mechanism of elevator is the drive part that drives the elevator and goes up and down, and traction mechanism generally includes hauler, wire rope and direction rope sheave, and traditional direction rope sheave is installed at elevator car top, and the hauler is installed on the roof-rack of elevator car top, and wire rope connects on the traction sheave of hauler, and after the direction rope sheave of round-trip car top, the other end also is connected to the roof-rack, and traditional traction mechanism has the following problem: 1. the distance between the guide rope wheel and the traction machine above the guide rope wheel is short, so that the safety distance is short, and the overall height of the lift car can be reduced in order to meet the safety space of a top floor under the common condition; 2. the connection between the steel wire rope and the top frame is not firm; 3. the tension among the steel wire ropes is inconsistent, so that the traction of the traction mechanism is unstable.

SUMMERY OF THE UTILITY MODEL

To the shortcoming of the prior art, the utility model aims at providing an improve elevator safe distance's haulage mechanism to solve one or more problems among the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides an improve elevator safe distance's haulage mechanism, includes wire rope, fag end subassembly, hauler and direction rope sheave, the rotatable connection of direction rope sheave is on the car top of elevator, on the driving sheave of hauler is connected to wire rope one end, just wire rope walks around the direction rope sheave, the other end with fag end subassembly is connected, the hauler with the fag end subassembly is connected respectively on first roof-rack and second roof-rack, first roof-rack and second roof-rack are connected in the installation well of elevator, just first roof-rack with the second roof-rack all is located the vertical space outside position of car.

As a further improvement of the above technical solution:

the pivot is connected to direction rope sheave both sides, the pivot is passed through U-shaped bolt cooperation nut and is connected on the car top.

The rope end component comprises a connecting seat connected with the first top frame and a rope end connecting piece connected with the steel wire rope, and the connecting seat is connected with the rope end connecting piece through a connecting pin in a pin connection mode.

The connecting seat comprises a base, the base is connected to the first top frame, the lower side of the base is connected with a connecting rod, the connecting rod penetrates through the first top frame and extends to the lower side of the first top frame, and the rope head connecting piece is connected to the lower end of the connecting rod in a pin mode.

The base is connected with a screw rod, a spring is sleeved on the outer side of the screw rod, and the screw rod is connected with an adjusting nut for adjusting the pressure of the spring.

And supporting gaskets are arranged among the spring, the base and the adjusting nut.

And a rubber pad is arranged between the supporting gasket and the base.

The lower side of the base is further connected with a positioning boss of the positioning connecting seat, and the first top frame is matched with the positioning boss and provided with a positioning groove.

Rope fastening spare includes wedge and takes the connection casing that the wedge led to the groove, wire rope winds in the wedge outside, just wire rope's fag end is worn in the fixed orifices of seting up on the wedge to be fixed in the fixed orifices through the fixed pin of wearing at the fixed orifices, the wedge is arranged in the wedge of connecting the casing, just it links with the connecting seat pin to connect the casing to pass through the connecting pin.

Compared with the prior art, the utility model discloses a beneficial technological effect as follows:

1) The traction machine and the rope head assembly are moved to the outer side of the elevator car in the vertical direction, the space right above the elevator car is given out, the safety distance is changed into the distance from the top guide rope wheel to the top of the hoistway, the safety distance is increased, and the height of the elevator car does not need to be reduced;

2) The steel wire rope is connected with the connecting shell through the wedge-shaped block and matched with the wedge-shaped through groove, so that the steel wire rope is pulled and clamped more and more tightly, and the connecting shell is connected with the first top frame through the connecting seat, so that the steel wire rope and the first top frame are connected firmly and cannot fall off accidentally;

3) The connecting seat is provided with a spring and an adjusting nut, the elasticity of the spring can be adjusted by rotating the adjusting nut, so that the tension of each steel wire rope can be kept all the time, and the traction of the traction mechanism is more stable.

Drawings

Fig. 1 shows an installation diagram of a hoisting mechanism for improving the safety distance of an elevator of the embodiment.

Fig. 2 is a schematic structural view showing a traction mechanism head assembly for improving the safety distance of an elevator according to the embodiment.

In the drawings, the reference numbers:

1. a wire rope; 2. a rope head assembly; 21. a connecting seat; 211. a base; 212. a connecting rod; 213. a screw; 214. a spring; 215. adjusting the nut; 216. a support pad; 217. a rubber pad; 218. positioning the boss; 22. a rope end connecting piece; 221. a wedge block; 222. connecting the shell; 3. a traction machine; 31. a traction sheave; 4. a guide sheave; 41. a rotating shaft; 42. a U-shaped bolt; 5. a car; 6. a first upper frame; 7. and a second top frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following device of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and clearly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in technology, and any modification of the structure, change of the proportion relation or adjustment of the size should fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.

As shown in fig. 1 and 2, the traction mechanism for increasing the safety distance of the elevator in this embodiment includes a steel wire rope 1, a rope assembly 2, a traction machine 3 and a guide rope wheel 4, a rotating shaft 41 is connected to both sides of the guide rope wheel 4, the rotating shaft 41 is connected to the top of the car 5 through a U-shaped bolt 42 and a nut, a plurality of groups of guide rope wheels 4 are connected to the top of the car 5, each group of guide rope wheels 4 includes two guide rope wheels 4, each group of guide rope wheels 4 corresponds to one steel wire rope 1, one end of each steel wire rope 1 is connected to a traction wheel 31 of the traction machine 3, and each steel wire rope 1 bypasses two guide rope wheels 4, the other end of each guide rope wheel is connected to the rope head assembly 2, the rope head assembly 2 and the traction machine 3 are respectively connected to a first top frame 6 and a second top frame 7, the first top frame 6 and the second top frame 7 are connected to an installation hoistway of the elevator, and the first top frame 6 and the second top frame 7 are both located outside the vertical space of the car 5, i.e. the top space of the car 5 can be released.

The rope head assembly 2 comprises a connecting seat 21 connected with the first top frame 6 and a rope head connecting piece 22 connected with the steel wire rope 1; the connecting seat 21 comprises a base 211, the base 211 is connected to the first top frame 6, a connecting rod 212 is connected to the lower side of the base 211, the connecting rod 212 penetrates through the first top frame 6 and extends to the lower side of the first top frame 6, a rope head connecting piece 22 is connected to the lower end of the connecting rod 212 in a pin mode, the rope head connecting piece 22 comprises a wedge-shaped block 221 and a connecting shell 222 with a wedge-shaped through groove, the steel wire rope 1 is wound on the outer side of the wedge-shaped block 221, a rope head of the steel wire rope 1 penetrates through a fixing hole formed in the wedge-shaped block 221 and is fixed in the fixing hole through a fixing pin penetrating through the fixing hole, the wedge-shaped block 221 is arranged in the wedge-shaped groove of the connecting shell 222, the connecting shell 222 is connected with the connecting rod 212 of the connecting seat 21 in a pin mode through a connecting pin, the rope head of the steel wire rope 1 is connected through a rope head assembly 2, and then the rope head assembly 2 is connected with the first top frame 6, so that the steel wire rope 1 is firmly connected with the first top frame 6, and the problem that the steel wire rope 1 is not prone to fall off is not prone to happen;

the base 211 is connected with a screw rod 213, a spring 214 is sleeved on the outer side of the screw rod 213, the screw rod 213 is connected with an adjusting nut 215 for adjusting the pressure of the spring 214, supporting gaskets 216 are arranged between the spring 214, the base 211 and the adjusting nut 215, rubber pads 217 are further arranged between the supporting gaskets 216 and the base 211, and the adjusting nut 215 is rotated to adjust the elasticity of the spring 214, so that the tension of the steel wire ropes 1 can be adjusted, the tension of each steel wire rope 1 is ensured to be consistent, and the traction mechanism is more stable when in traction.

The positioning boss 218 of the positioning connecting seat 21 is further connected to the lower side of the base 211, and a positioning groove is formed in the first top frame 6 matched with the positioning boss, so that the accurate positioning and reliable connection of the rope head assembly 2 and the first top frame 6 are guaranteed.

When the traction mechanism for improving the safety distance of the elevator is installed, the traction machine 3 is fixedly connected to the second top frame 7 through a fixing piece, the rope head assembly 2 is fixedly connected to the first top frame 6 through the connecting seat 21, then each steel wire rope 1 connected to the traction wheel 31 of the traction machine 3 is wound around the two guide rope wheels 4, the other end of each steel wire rope 1 is wound outside the wedge-shaped block 221 of the rope head connecting piece 22, the wedge-shaped block 221 wound with the steel wire rope 1 is penetrated into the wedge-shaped through groove of the connecting shell 222, the wedge-shaped block 221 penetrates out of the lower side of the wedge-shaped through groove, finally the rope head of each steel wire rope 1 is penetrated into the fixing hole in the wedge-shaped block 221, and the rope head is fixed in the fixing hole through the fixing pin, so that the connection between the steel wire rope 1 and the rope head assembly 2 is completed; and then the traction machine 3 is started to tighten the steel wire ropes 1, the adjusting nuts 215 of each rope head assembly 2 are respectively adjusted according to the tension condition of each steel wire rope 1, the tension of each steel wire rope 1 is adjusted to be consistent, the installation of the traction mechanism is completed after the adjustment is completed, the elevator car 5 can be pulled to ascend and descend by the traction machine 3 in cooperation with the steel wire ropes 1 after the installation is completed, when the steel wire ropes 1 are retracted onto the traction sheave 31, the elevator car 5 ascends, and when the steel wire ropes 1 are released from the traction sheave 31, the elevator car 5 descends.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which shall all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an improve elevator safe distance's traction mechanism which characterized in that: including wire rope, rope sheave subassembly, hauler and direction rope sheave, the rotatable connection of direction rope sheave is on the car top of elevator, on the traction sheave of hauler is connected to wire rope one end, just wire rope walks around the direction rope sheave, the other end with the rope sheave subassembly is connected, the rope sheave subassembly with the hauler is connected respectively on first roof-rack and second roof-rack, first roof-rack and second roof-rack are connected in the installation well of elevator, just first roof-rack with the second roof-rack all is located the vertical space outside position of car.

2. The traction mechanism for improving the safety distance of the elevator according to claim 1, characterized in that: the pivot is connected to direction rope sheave both sides, the pivot is passed through U-shaped bolt cooperation nut and is connected on car top.

3. The traction mechanism for improving the safety distance of the elevator according to claim 1, characterized in that: the rope end assembly comprises a connecting seat connected with the first top frame and a rope end connecting piece connected with the steel wire rope, and the connecting seat is connected with the rope end connecting piece through a connecting pin in a pin connection mode.

4. The traction mechanism for improving the safety distance of the elevator according to claim 3, wherein: the connecting seat comprises a base, the base is connected to the first top frame, the lower side of the base is connected with a connecting rod, the connecting rod penetrates through the first top frame and extends to the lower side of the first top frame, and the rope head connecting piece is connected to the lower end of the connecting rod in a pin mode.

5. The traction mechanism for increasing the safety distance of an elevator according to claim 4, wherein: the base is connected with a screw rod, a spring is sleeved on the outer side of the screw rod, and the screw rod is connected with an adjusting nut for adjusting the pressure of the spring.

6. The traction mechanism for improving the safety distance of the elevator according to claim 5, wherein: and supporting gaskets are arranged among the spring, the base and the adjusting nut.

7. The traction mechanism for improving the safety distance of the elevator as claimed in claim 6, wherein: and a rubber pad is arranged between the supporting gasket and the base.

8. The traction mechanism for improving the safety distance of the elevator as claimed in claim 4, wherein: the lower side of the base is also connected with a positioning boss of the positioning connecting seat, and the first top frame is matched with the positioning boss and is provided with a positioning groove.

9. The traction mechanism for improving the safety distance of the elevator according to claim 3, wherein: rope fastening spare includes wedge and takes the connection casing that the wedge led to the groove, wire rope winds in the wedge outside, just wire rope's fag end is worn in the fixed orifices of seting up on the wedge to be fixed in the fixed orifices through the fixed pin of wearing at the fixed orifices, the wedge is arranged in the wedge of connecting the casing, just it links with the connecting seat pin to connect the casing to pass through the connecting pin.