Transmission elevator pulley assembly

Abstract

The utility model belongs to the technical field of elevator pulleys, and provides a transmission elevator pulley assembly which comprises a mounting frame, a power pulley structure arranged at the top of the mounting frame, interval adjusting structures arranged in the mounting frame, connecting plates arranged among the interval adjusting structures, and auxiliary pulley structures arranged among the four connecting plates. A mounting structure is arranged outside the mounting frame; the distance adjusting structure comprises four fixing plates symmetrically arranged at the two ends of the mounting frame, adjusting bolts are inserted into the four fixing plates in a penetrating mode, adjusting sliding blocks are inserted into the outer portions of the four adjusting bolts in a penetrating mode, and adjusting nuts are installed at the ends, close to each other, of the four adjusting bolts through threads. The problems that in existing equipment, the two ends of a traction steel wire rope are arranged in the tangential direction of a pulley body and then connected to the two ends of an elevator car, but when the width of the elevator car is too narrow or too wide, the wrap angle between the traction steel wire rope and the pulley is too large or too small, and the elevator car traction efficiency is reduced are solved.

Description

Technical Field

[0001] This utility model relates to the field of elevator pulleys, and in particular to a transmission elevator pulley assembly. Background Technology

[0002] Pulley assemblies are simple machines used to lift heavy objects with less effort. A pulley is a small wheel with a groove around its perimeter that can rotate around an axis. In the process of elevator lifting and lowering, a drive mechanism and traction steel wire rope are usually used to lift and lower the elevator. The quality of power transmission between the pulley and the traction steel wire rope directly affects the lifting efficiency and smooth operation of the elevator.

[0003] A search revealed that patent CN221216752U discloses an elevator safety belt pulley, which includes a U-shaped base. The top of the U-shaped base has four sets of positioning holes on both sides, and the bottom of the positioning holes extends to the outside of the U-shaped base. Rectangular base plates are installed on both sides of the top of the U-shaped base. Side seats are fixed to the top of the rectangular base plates. The top of the side seats is provided with a limiting cylinder. The inside of the limiting cylinder is provided with a groove, and both ends of the groove extend to the outside of the limiting cylinder. A pulley body is rotatably installed on the U-shaped base between the limiting cylinders. Limiting rings are provided on the outer walls of both sides of the pulley body. A shaft seat is provided at the center of the inside of the pulley body, and both ends of the shaft seat extend to the outside of the limiting rings.

[0004] In existing equipment, the two ends of the traction steel wire rope are arranged along the tangent of the pulley body and then connected to the two ends of the elevator car. However, if the width of the elevator car is too narrow or too wide, the wrap angle between the traction steel wire rope and the pulley will be too large or too small, reducing the efficiency of traction of the elevator car.

[0005] Therefore, it is necessary to provide a transmission elevator pulley assembly to solve the above-mentioned technical problems. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model provides a transmission elevator pulley assembly.

[0007] This utility model provides a transmission elevator pulley assembly, including a mounting frame, a power pulley structure on the top of the mounting frame, a spacing adjustment structure inside the mounting frame, connecting plates between the spacing adjustment structures, an auxiliary pulley structure between the four connecting plates, and an installation structure on the outside of the mounting frame.

[0008] The spacing adjustment structure includes four fixing plates symmetrically arranged at both ends of the mounting frame. Adjusting bolts are inserted through the interior of each of the four fixing plates, and adjusting sliders are inserted through the exterior of each of the four adjusting bolts. Adjusting nuts are threaded onto the ends of the four adjusting bolts that are close to each other. The ends of the four adjusting sliders that are close to each other are slidably arranged in adjusting grooves. The four adjusting grooves are respectively opened at both ends of the mounting frame.

[0009] To facilitate the installation of the auxiliary pulley structure, this utility model provides a transmission elevator pulley assembly. Preferably, the four adjusting sliders are respectively fixedly provided with connecting plates at their ends that are close to each other, and all four connecting plates are located inside the mounting frame.

[0010] In order to achieve the effect of symmetrically guiding the traction steel wire rope, this utility model provides a transmission elevator pulley assembly. Preferably, the auxiliary pulley structure includes two rotating shafts, which are located on the inner sides of the mounting frame. Two connecting plates are rotatably inserted into the two ends of the two rotating shafts. Auxiliary wheels are fixedly provided on the outside of the two rotating shafts, and several mounting grooves are equally spaced on the periphery of the two auxiliary wheels.

[0011] In order to achieve the effect of stably supporting both ends of the rotating shaft, this utility model provides a transmission elevator pulley assembly. Preferably, both ends of the two rotating shafts are fitted with roller bearing seats, and both ends of the four roller bearing seats are respectively fixedly provided with stabilizing frames. The ends of the eight stabilizing frames that are far apart from each other are all fixedly provided with the corresponding connecting plates.

[0012] To achieve the effect of power drive, this utility model provides a transmission elevator pulley assembly. Preferably, the power pulley structure includes side plates symmetrically arranged at both ends inside the mounting frame, a drive shaft rotatably arranged between the two side plates, a power wheel fixedly arranged outside the drive shaft, and a plurality of mounting grooves evenly spaced on the periphery of the power wheel.

[0013] In order to achieve the effect of flexible and fixed installation of equipment, this utility model provides a transmission elevator pulley assembly. Preferably, the installation structure includes four mounting plates, which are symmetrically arranged at both ends of the installation frame. Each of the four mounting plates has a through hole at its top.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This transmission elevator pulley assembly uses four symmetrically arranged adjusting bolts and adjusting nuts to control four adjusting sliders to slide arbitrarily within corresponding adjusting grooves, thereby allowing for arbitrary adjustment of the distance between the two auxiliary wheels and the power wheel. This solves the problem in existing equipment where the two ends of the traction steel wire rope are arranged along the tangent of the pulley body and then connected to both ends of the elevator car. However, if the elevator car is too narrow or too wide, the wrap angle between the traction steel wire rope and the pulley will be too large or too small, reducing the efficiency of traction on the elevator car. Attached Figure Description

[0016] Figure 1 A schematic diagram of a preferred embodiment of a transmission elevator pulley assembly provided by this utility model;

[0017] Figure 2 for Figure 1 The diagram shows the structure of the power pulley.

[0018] Figure 3 for Figure 1 The diagram shows the structure of the auxiliary pulley.

[0019] Figure 4 for Figure 1 The diagram shows the structure of the mounting frame.

[0020] The diagram shows the following labels: 1. Mounting frame; 2. Power pulley structure; 201. Side plate; 202. Drive shaft; 203. Power wheel; 204. Mounting slot one; 3. Spacing adjustment structure; 301. Fixing plate; 302. Adjusting bolt; 303. Adjusting slider; 304. Adjusting nut; 305. Adjusting groove; 4. Connecting plate; 5. Auxiliary pulley structure; 501. Rotating shaft; 502. Auxiliary wheel; 503. Mounting slot two; 504. Stabilizer; 6. Mounting structure; 601. Mounting plate; 602. Mounting through hole. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please refer to the following: Figure 1 , Figure 2 , Figure 3 and Figure 4 A transmission elevator pulley assembly is provided, including a mounting frame 1, a power pulley structure 2 is provided on the top of the mounting frame 1, a spacing adjustment structure 3 is provided inside the mounting frame 1, a connecting plate 4 is provided between the spacing adjustment structures 3, an auxiliary pulley structure 5 is provided between the four connecting plates 4, and a mounting structure 6 is provided on the outside of the mounting frame 1.

[0023] The spacing adjustment structure 3 includes four fixed plates 301 symmetrically arranged at both ends of the mounting frame 1. Adjusting bolts 302 are inserted through the interior of each of the four fixed plates 301. Adjusting sliders 303 are inserted through the exterior of each of the four adjusting bolts 302. Adjusting nuts 304 are threaded onto the ends of the four adjusting bolts 302 that are close to each other. The ends of the four adjusting sliders 303 that are close to each other are slidably arranged in adjusting grooves 305. The four adjusting grooves 305 are respectively opened at both ends of the mounting frame 1. Connecting plates 4 are fixedly arranged on the ends of the four adjusting sliders 303 that are close to each other. The four connecting plates 4 are all located inside the mounting frame 1.

[0024] In the specific implementation process, refer to Figure 1 and Figure 3 As shown, the auxiliary pulley structure 5 includes two rotating shafts 501, which are located on the inner sides of the mounting frame 1 respectively. Two connecting plates 4 are rotatably inserted into the two ends of the two rotating shafts 501. Auxiliary wheels 502 are fixedly installed on the outside of the two rotating shafts 501. Several mounting grooves 503 are equally spaced on the periphery of the two auxiliary wheels 502. Roller bearing seats are sleeved on the two ends of the two rotating shafts 501. Stabilizers 504 are fixedly installed at the two ends of the four roller bearing seats respectively. The ends of the eight stabilizers 504 that are far apart from each other are fixedly installed on the corresponding connecting plates 4.

[0025] It should be noted that the two rotating shafts 501 can provide sufficient support to the two auxiliary wheels 502 to avoid insufficient support. In addition, eight stabilizers 504 support both ends of the two rotating shafts 501 to prevent jitter during the output behavior of the two rotating shafts 501.

[0026] In the specific implementation process, refer to Figure 1 and Figure 2 As shown, the power pulley structure 2 includes side plates 201 symmetrically arranged at both ends inside the mounting frame 1. A drive shaft 202 is rotatably arranged between the two side plates 201. A power wheel 203 is fixedly arranged on the outside of the drive shaft 202. Several mounting grooves 204 are equidistantly opened on the periphery of the power wheel 203.

[0027] It should be noted that: the mounting frame 1 stably supports the two side uprights 201, preventing the two side uprights 201 from tilting or breaking under pressure. The other two side uprights 201 stably and evenly support the drive shaft 202, ensuring that the drive shaft 202 continuously outputs power and then synchronously controls the rotation of the power wheel 203. The mounting slots 204 can wrap around the traction steel wire rope, preventing the traction steel wire rope from slipping between the mounting slots 204.

[0028] In the specific implementation process, refer to Figure 1 and Figure 4 As shown, the mounting structure 6 includes four mounting plates 601, which are symmetrically arranged at both ends of the mounting frame 1. Each of the four mounting plates 601 has a through mounting hole 602 at its top.

[0029] It should be noted that: to achieve stable installation and fixation of the four mounting plates 601 at both ends of the mounting frame 1 and avoid the problem of pressure breakage at the connection position, the bolts are inserted through the mounting through holes 602 on the top of the four mounting plates 601, and the four mounting plates 601 are fixed in the designated position, which can significantly avoid the problem of installation misalignment.

[0030] The working principle of the transmission elevator pulley assembly provided by this utility model is as follows:

[0031] In use, the two ends of the traction steel wire rope are arranged along the tangent of the power wheel 203, and then extended to the two auxiliary wheels 502. At the same time, they are pressed down and installed in the first mounting groove 204 and the second mounting groove 503 to achieve stable installation and fixation. The rotating adjusting nut 304 engages with the corresponding adjusting bolt 302, and the adjusting slider 303 slides arbitrarily in the adjusting groove 305 to control the two auxiliary wheels 502 to move away from or closer to the power wheel 203. This expands or shortens the distance between the two auxiliary wheels 502 and the power wheel 203, avoiding the situation where the width of the elevator car is too narrow or too wide, which would cause the wrap angle between the traction steel wire rope and the power wheel 203 to be too large or too small, thus reducing the efficiency of traction of the elevator car.

[0032] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A drive elevator sheave assembly characterized by, The application relates to a power pulley structure, which comprises a mounting frame (1), the top of the mounting frame (1) is provided with a power pulley structure (2), the inside of the mounting frame (1) is provided with spacing adjusting structures (3), the spacing adjusting structures (3) are provided with connecting plates (4) between the spacing adjusting structures (3), four connecting plates (4) are provided with auxiliary pulley structures (5) between the four connecting plates (4), and the outside of the mounting frame (1) is provided with mounting structures (6). The spacing adjusting structures (3) comprise four fixed plates (301) symmetrically arranged at the two ends of the mounting frame (1), adjusting bolts (302) are inserted through the insides of the four fixed plates (301), adjusting sliding blocks (303) are inserted through the outsides of the four adjusting bolts (302), adjusting nuts (304) are screwed on the ends of the four adjusting bolts (302) close to each other, the ends of the four adjusting sliding blocks (303) close to each other are slidably arranged in adjusting sliding grooves (305), and the four adjusting sliding grooves (305) are formed at the two ends of the mounting frame (1).

2. A drive elevator sheave assembly according to claim 1, wherein, The ends of the four adjusting sliding blocks (303) close to each other are fixedly provided with the connecting plates (4), and the four connecting plates (4) are located in the inside of the mounting frame (1).

3. A drive elevator sheave assembly according to claim 1 wherein, The auxiliary pulley structure (5) comprises two rotating shafts (501), the two rotating shafts (501) are located at the two sides of the inside of the mounting frame (1), two connecting plates (4) are rotatably inserted at the two ends of the two rotating shafts (501), auxiliary wheels (502) are fixedly arranged on the outsides of the two rotating shafts (501), and a plurality of mounting grooves two (503) are equidistantly formed in the circumferences of the two auxiliary wheels (502).

4. A drive elevator sheave assembly according to claim 3, wherein, Roller bearing seats are sleeved on the two ends of the outsides of the two rotating shafts (501), and stabilizing frames (504) are fixedly arranged at the two ends of the four roller bearing seats.

5. A drive elevator sheave assembly according to claim 1 wherein, The power pulley structure (2) comprises side vertical plates (201) symmetrically arranged at the two ends of the inside of the mounting frame (1), a driving shaft (202) is rotatably arranged between the two side vertical plates (201), a power wheel (203) is fixedly arranged on the outside of the driving shaft (202), and a plurality of mounting grooves one (204) are equidistantly formed in the circumference of the power wheel (203).

6. A drive elevator sheave assembly according to claim 1 wherein, The mounting structure (6) comprises four mounting plates (601), the four mounting plates (601) are symmetrically arranged at the two ends of the mounting frame (1), and mounting through holes (602) are formed through the tops of the four mounting plates (601).

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