CN216289905U

CN216289905U - Pulley structure with stable supporting effect

Info

Publication number: CN216289905U
Application number: CN202123032474.9U
Authority: CN
Inventors: 许琦
Original assignee: Hangzhou Siye Intelligent Equipment Co ltd
Current assignee: Hangzhou Siye Intelligent Equipment Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-12
Anticipated expiration: 2031-12-03

Abstract

The utility model belongs to the technical field of pulleys, and particularly relates to a pulley structure with a stable supporting effect. This pulley structure with stable supporting effect rotates through loose pulley assembly and mounting and connects, realizes loose pulley assembly to the direction of cable shaft inside material, and wherein flexible subassembly is fixed loose pulley assembly at the inside mounted position of cable shaft, further restricts the shape of moving part in the flexible subassembly to realize that the moving part can be whole fixed at cable shaft inside mounted position to the device, realize the stable supporting effect to loose pulley assembly.

Description

Pulley structure with stable supporting effect

Technical Field

The utility model relates to the technical field of pulleys, in particular to a pulley structure with a stable supporting effect.

Background

In mechanics, a typical pulley is a round wheel which can rotate around a central shaft, a groove is arranged on the circumferential surface of the round wheel, a rope is wound in the groove, either end of the two ends of the rope is pulled by force, the friction force between the rope and the round wheel can drive the round wheel to rotate around the central shaft, the pulley is a deformed lever which can rotate, the main functions of the pulley are to pull load, change the force application direction, transmit power and the like, a machine formed by a plurality of pulleys is called as a 'pulley block' or a 'compound pulley', the mechanical benefit of the pulley block is large, heavy load can be pulled, the pulley can also be a chain transmission or belt transmission component, power is transmitted from one rotating shaft to another rotating shaft, wherein in ultraviolet pipeline repairing construction, a material pulley is required to be used for guiding materials, the material pulley is determined according to the size of the materials, and a small pulley is used below the general pipe diameter DN600, a large pulley is used above DN600, and the length can be adjusted at will, so that the device can be fixed better.

When traditional material pulley carries out the use in the cable shaft, adjust the realization through the installation length to the material pulley and fix the cable shaft wall, wherein the tip of material pulley can not be fully be connected with the cable shaft wall, easily leads to material pulley mounted position not hard up, influences material pulley guide effect.

In view of the above problems, there is a high necessity for a pulley structure capable of providing stable support.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pulley structure capable of providing stable support.

In order to achieve the purpose, the utility model provides the following technical scheme: a pulley structure with a stable supporting effect, comprising:

the telescopic assembly comprises a fixing piece and a moving piece arranged on one side of the fixing piece, which deviates from the pulley assembly, wherein the fixing piece is rotatably connected with the pulley assembly, and the cross-sectional area of the moving piece is gradually reduced along the direction of deviating from the pulley assembly.

Preferably, the end of the moveable member facing away from the sheave assembly is tapered.

Preferably, the pulley assembly comprises a pulley body and a pulley bearing, and the pulley body is rotatably connected to the fixing member through the pulley bearing.

Preferably, the pulley body comprises a routing barrel and two assembling sleeves, the assembling sleeves are mounted at two ends of the routing barrel along the length direction of the routing barrel, and each assembling sleeve is sleeved with one telescopic assembly through a pulley bearing.

Preferably, the radius of the assembling sleeve is larger than that of the routing barrel.

Preferably, the telescopic assemblies are provided in two, and the two telescopic assemblies are arranged in central symmetry about the pulley assembly.

Preferably, the two telescopic assemblies and the pulley assembly have the same length direction.

Preferably, the telescopic assembly further comprises a locking adjusting member connected between the fixed member and the movable member to lock the movable member.

Preferably, the telescopic assembly further comprises at least one operating rod, and the operating rod is circumferentially installed along the locking adjusting piece.

Preferably, the end face of the operating rod, which is far away from the telescopic adjusting piece, is located outside a region surrounded by the periphery of the assembling sleeve along the length direction of the pulley body.

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

this pulley structure with stable supporting effect rotates through loose pulley assembly and mounting and connects, realizes loose pulley assembly to the direction of cable shaft inside material, and wherein flexible subassembly is fixed loose pulley assembly at the inside mounted position of cable shaft, further restricts the shape of moving part in the flexible subassembly to realize that the moving part can be whole fixed at cable shaft inside mounted position to the device, realize the stable supporting effect to loose pulley assembly.

Drawings

Fig. 1 is an overall schematic view of a pulley structure having a stable supporting effect according to the present invention.

Fig. 2 is a schematic front view of the pulley structure with stable supporting effect according to the present invention.

Fig. 3 is a schematic side view of the pulley structure with stable supporting effect according to the present invention.

Fig. 4 is a schematic bottom view of the pulley structure with stable supporting effect according to the present invention.

In the figure: 100. a telescoping assembly; 101. a fixing member; 102. a movable member; 103. locking the adjusting piece; 104. an operating lever; 200. a sheave assembly; 201. a pulley body; 2011. a wiring barrel; 2012. assembling the sleeve; 202. and a pulley bearing.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a pulley structure with a stable supporting effect, comprising:

the telescopic assembly 100 comprises a fixed member 101 and a movable member 102 mounted on one side of the fixed member 101, which is far away from the pulley assembly 200, wherein the fixed member 101 is rotatably connected with the pulley assembly 200, and the cross-sectional area of the movable member 102 is gradually reduced along a direction far away from the pulley assembly 200.

The pulley assembly 200 is rotatably connected with the fixing member 101, so that the pulley assembly 200 guides materials in the cable well, the telescopic assembly 100 fixes the installation position of the pulley assembly 200 in the cable well, and the shape of the movable member 102 in the telescopic assembly 100 is further limited, so that the movable member 102 fixes the whole installation position in the cable well, and the stable supporting effect on the pulley assembly 200 is realized.

Wherein the movable member 102 moves along the axial direction of the fixed member 101 to adjust the overall length of the telescopic assembly 100.

Specifically, the end of moveable member 102 facing away from sheave assembly 200 is tapered.

Through setting up the tip that deviates from loose pulley assembly 200 with moving part 102 to the toper, the conical sharp-pointed terminal surface of moving part 102 can insert in the cable shaft wall of a well to the realization is fixed at cable shaft internal position to the device is whole, further guarantees loose pulley assembly 200 to the direction of material in the cable shaft.

As shown in fig. 1, the pulley assembly 200 includes a pulley body 201 and a pulley bearing 202, wherein the pulley body 201 is rotatably connected to the fixed member 101 through the pulley bearing 202. The pulley body 201 rotates on the fixing member 101 through the pulley bearing 202, so that the pulley body 201 guides external materials and pipelines, and meanwhile, the fixing member 101 can further support the pulley body 201 through the pulley bearing 202.

As shown in fig. 1 to 3, the pulley body 201 includes a routing barrel 2011 and two assembling sleeves 2012, the assembling sleeves 2012 are installed at two ends of the routing barrel 2011 along a length direction of the routing barrel 2011, and each assembling sleeve 2012 is respectively sleeved on one of the telescopic assemblies 100 through a pulley bearing 202.

Specifically, the pulley bearing 202 is provided with a fixing member 101 inside.

The installation fixing member 101 is sleeved in the pulley bearing 202, so that the assembling sleeve 2012 can be installed on the fixing member 101 through the pulley bearing 202, the assembling sleeve 2012 rotates on the fixing member 101 through the pulley bearing 202, rotation between the pulley assembly 200 and the telescopic assembly 100 is realized, and the assembling sleeve 2012 is installed at two ends of the routing barrel 2011 along the length direction of the routing barrel 2011, so that the telescopic assembly 100 can be stably supported by two ends of the pulley assembly 200.

As shown in fig. 1, the radius of the mounting sleeve 2012 is greater than the radius of the trace barrel 2011.

The radius of the assembling sleeve 2012 and the radius of the wire barrel 2011 are limited, so that the assembling sleeve 2012 installed at two ends of the wire barrel 2011 in the length direction can effectively limit the external material and the cable of the wire barrel 2011, and the external material and the cable of the wire barrel 2011 are prevented from falling off, so that the guiding effect of the pulley assembly 200 is influenced.

As one embodiment of the present invention, two telescopic assemblies 100 are provided, and the two telescopic assemblies 100 are arranged in central symmetry with respect to the pulley assembly 200.

Through will two flexible subassemblies 100 set up about loose pulley assembly 200 central symmetry for when flexible subassembly 100 led external material, the last pressure that receives of loose pulley assembly 200 can the homodisperse extremely on two flexible subassemblies 100, flexible subassembly 100 can be stable supports loose pulley assembly 200's mounted position, avoids flexible subassembly 100 to lead the in-process to external material and produces and rock, further realizes the promotion to the whole life of device.

Specifically, the two telescoping assemblies 100 and the pulley assembly 200 have the same length direction. By arranging the two telescopic assemblies 100 in the same direction as the pulley assembly 200 in the same direction, the movable member 102 on the telescopic assembly 100 can quickly contact the wall of the cable well, so that the whole device can be positioned.

As shown in fig. 1-3, the telescopic assembly 100 further includes a locking adjustment member 103, and the locking adjustment member 103 is connected between the fixed member 101 and the movable member 102 to lock the movable member 102.

When the movable member 102 needs to be locked by the locking adjusting member 103 to fix the length of the telescopic assembly 100, an operator rotates the locking adjusting member 103, wherein the locking adjusting member 103 is in threaded connection with the fixed member 101, and the fixed member 101 is inwardly contracted by the rotation of the locking adjusting member 103, so that the contracted fixed member 101 extrudes and locks the movable member 102, and further the fixing of the installation position between the fixed member 101 and the movable member 102 is realized.

Specifically, the telescopic assembly 100 further comprises at least one operating rod 104, and the operating rod 104 is circumferentially installed along the locking adjusting member 103. By installing the operating lever 104 circumferentially along the locking adjuster 103, it is convenient for an operator to adjust the locking adjuster 103 via the operating lever 104.

More specifically, the end surface of the operating rod 104 facing away from the telescopic adjusting member is located outside the area surrounded by the periphery of the assembling sleeve 2012 along the length direction of the pulley body 201. The end face, away from the telescopic adjusting piece, of the operating rod 104 is located outside a region surrounded by the periphery of the assembling sleeve 2012 along the length direction of the pulley body 201, so that the narrow inner space of the cable well is avoided, and the assembling sleeve 2012 influences the operation of an operator on the operating rod 104.

In summary, the pulley assembly 200 is rotatably connected to the fixing member 101 to guide the material inside the cable well, wherein the retractable assembly 100 fixes the installation position of the pulley assembly 200 inside the cable well, and further limits the shape of the movable member 102 in the retractable assembly 100, so that the movable member 102 can fix the installation position of the whole device inside the cable well, and the pulley assembly 200 is stably supported.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pulley structure with stable supporting effect, comprising:

the telescopic assembly comprises telescopic assemblies (100) and pulley assemblies (200), the number of the telescopic assemblies (100) is at least two, each telescopic assembly (100) comprises a fixed piece (101) and a movable piece (102) which is installed on one side, departing from the pulley assembly (200), of the corresponding fixed piece (101), the corresponding movable piece (102) is rotatably connected with the corresponding pulley assembly (200), and the cross-sectional area of the corresponding movable piece (102) is gradually reduced along the direction of departing from the pulley assembly (200).

2. The pulley structure with stable supporting effect according to claim 1, wherein: the end of the moveable member (102) facing away from the sheave assembly (200) is tapered.

3. The pulley structure with stable supporting effect according to claim 1, wherein: the pulley assembly (200) comprises a pulley body (201) and a pulley bearing (202), wherein the pulley body (201) is rotatably connected to the fixed part (101) through the pulley bearing (202).

4. The pulley structure with stable supporting effect according to claim 3, wherein: the pulley body (201) comprises a routing barrel body (2011) and two assembling sleeves (2012), the assembling sleeves (2012) are installed at two ends of the routing barrel body (2011) along the length direction of the routing barrel body (2011), and each assembling sleeve (2012) is respectively sleeved with one telescopic assembly (100) through a pulley bearing (202).

5. The pulley structure with stable supporting effect according to claim 4, wherein: the radius of the assembly sleeve (2012) is larger than that of the routing barrel (2011).

6. The pulley structure with stable supporting effect according to claim 1, wherein: the telescopic assemblies (100) are provided in two numbers, and the two telescopic assemblies (100) are arranged in a central symmetry manner about the pulley assembly (200).

7. The pulley structure with stable supporting effect according to claim 6, wherein: the two telescopic assemblies (100) and the pulley assembly (200) have the same length direction.

8. The pulley structure with stable supporting effect according to claim 1, wherein: the telescopic assembly (100) further comprises a locking adjusting piece (103), and the locking adjusting piece (103) is connected between the fixed piece (101) and the movable piece (102) to lock the movable piece (102).

9. The pulley structure with stable supporting effect according to claim 8, wherein: the telescopic assembly (100) further comprises at least one operating rod (104), and the operating rod (104) is installed along the circumferential direction of the locking adjusting piece (103).

10. The pulley structure with stable supporting effect according to claim 9, wherein: the end face of the operating rod (104) departing from the telescopic adjusting piece is positioned outside an area which is formed by the periphery of the assembling sleeve (2012) along the length direction of the pulley body (201).