CN220738097U - Roller hanging device - Google Patents

Abstract

The utility model provides a carrier roller hanging device, which comprises: a frame having a placement cavity with an opening facing downward; the clamping jaw assembly can penetrate through the opening of the placing cavity in an openable and closable manner and is in limit fit with the inner wall of the placing cavity, the clamping jaw assembly comprises two clamping jaw pieces which can rotate relatively, the rotation centers of the two clamping jaw pieces are fixed and symmetrically distributed on two sides of the telescopic assembly, the clamping jaw pieces are hinged with the telescopic assembly, and the other ends of the clamping jaw pieces extend out of the opening of the placing cavity; the telescopic component is telescopically arranged in the placing cavity so as to drive the two claw pieces to rotate relatively around the respective rotation centers and clamp or loosen the carrier roller. According to the technical scheme provided by the utility model, the problems of difficult assembly and disassembly and low efficiency of the carrier roller hanging in the process of the prior art can be solved.

Description

Roller hanging device

Technical Field

The utility model relates to the technical field of carrier roller hanging, in particular to a carrier roller hanging device.

Background

The carrier roller is a main component of the belt conveyor for carrying materials, and the carrier roller is subjected to surface paint spraying treatment after being produced, processed and assembled. At present, the automatic paint spraying production line of the carrier roller is generally adopted for spraying paint on the carrier roller, flat clamping of the shaft head groove at one end of the carrier roller is realized through a hanging tool, the carrier roller is vertically hung for continuous cyclic conveying and paint spraying, but because the flat specifications of the shaft head grooves of the carrier rollers with different sizes are different, the automatic paint spraying production line of the carrier roller often needs to replace the carrier roller hanging tool when clamping the carrier rollers with different specifications, so that the types and the quantity of the hanging tools are more, the labor intensity of operators is higher, the equipment cost is higher, and the processing efficiency of the carrier roller is affected. And because the hanging positions of the carrier roller are more in the automatic carrier roller spray painting production line, the difficulty in dismounting the carrier roller is increased, and the labor intensity of operators and the production efficiency of the carrier roller are further increased.

Disclosure of Invention

The utility model provides a carrier roller hanging device which solves the problems of difficult assembly and disassembly and low efficiency of carrier roller hanging in the prior art.

In order to solve the above problems, the present utility model provides a carrier roller hanging device, including: a frame having a placement cavity with an opening facing downward; the clamping jaw assembly can penetrate through the opening of the placing cavity in an openable and closable manner and is in limit fit with the inner wall of the placing cavity, the clamping jaw assembly comprises two clamping jaw pieces which can rotate relatively, the rotation centers of the two clamping jaw pieces are fixed and symmetrically distributed on two sides of the telescopic assembly, the clamping jaw pieces are hinged with the telescopic assembly, and the other ends of the clamping jaw pieces extend out of the opening of the placing cavity; the telescopic component is telescopically arranged in the placing cavity so as to drive the two claw pieces to rotate relatively around the respective rotation centers and clamp or loosen the carrier roller.

Further, the claw piece includes head and tail articulated connecting rod and hoist, and the one end that the connecting rod deviates from the hoist is articulated with flexible subassembly, and the hoist deviates from the one end of connecting rod and stretches out and place the chamber and have the section of bending, and the section of bending is used for with the last spindle nose groove flat card fit of bearing roller, and the center of rotation of hoist is fixed.

Further, one end of the lifting appliance, which is connected with the connecting rod, is provided with an avoidance area, and one end of the connecting rod is positioned in the avoidance area and hinged with the connecting rod.

Further, the frame has two spacing hole grooves that run through two opposite lateral walls along width direction, and spacing hole groove extends along vertical direction, and the expansion assembly includes first round pin axle and extensible member, and the one end setting of extensible member is on the roof in placing the chamber, and first round pin axle passes the other end of extensible member and both ends are worn to establish respectively at two spacing hole inslot, and the tip of two jack catch pieces is all rotatably overlapped and is established at first round pin epaxially, extensible member telescopically sets up to make first round pin axle remove and drive two jack catch pieces relative rotation along the extending direction in spacing hole groove.

Further, the first pin shaft comprises a positioning piece, a stop section and a limit section which are connected with each other, the size of the stop section is larger than that of the limit section and that of the limit hole groove, the stop section is matched with one side wall stop of the frame, one end of the limit section, which penetrates through the frame, is provided with a positioning hole, and the positioning piece is arranged in the positioning hole in a penetrating mode and matched with the other opposite side wall stop of the frame.

Further, a hook piece which is positioned on the same vertical surface with the two limiting hole grooves is arranged on the top wall of the placing cavity, the telescopic piece comprises an elastic reset piece and a switching block, the elastic reset piece is hung on the hook piece, the switching block is hung on the elastic reset piece, the first pin shaft penetrates through the switching block, the elastic reset piece is a tightening spring, and the elastic reset piece is used for enabling the opened clamping jaw assembly to be closed by itself.

Further, the adapter block comprises a hanging block and a limiting block, wherein the hanging block is provided with a hanging hole for hanging the elastic resetting piece, and the limiting block is provided with a through hole for penetrating the first pin shaft; in the width direction of the frame, the width of the hanging block is smaller than that of the limiting block, the two claw pieces are positioned on two sides of the switching block, and one sides, deviating from each other, of the two claw pieces are respectively in limiting fit with two opposite side walls of the frame.

Further, the carrier roller hanging device further comprises two second pin shafts which are parallel to each other, the second pin shafts extend along the width direction of the frame, two ends of the second pin shafts are respectively penetrated on two opposite side walls of the frame, the two claw pieces are respectively rotatably sleeved on the two second pin shafts, and the axis of each second pin shaft is the rotation center of each claw piece.

Further, the carrier roller hanging device further comprises a plurality of gaskets, and the gaskets are distributed at the switching positions of the frame and the telescopic assembly and the switching positions of the frame and the claw assembly.

Further, the frame includes the installation cover and sets up the hangers seat on the installation cover, and the installation cover forms the place chamber of opening downwardly surrounding area, and hangers seat is used for hanging the installation cover of connection, expansion assembly, jack catch subassembly whole in different positions.

By applying the technical scheme of the utility model, the utility model provides a carrier roller hanging device, which comprises: a frame having a placement cavity with an opening facing downward; the clamping jaw assembly can penetrate through the opening of the placing cavity in an openable and closable manner and is in limit fit with the inner wall of the placing cavity, the clamping jaw assembly comprises two clamping jaw pieces which can rotate relatively, the rotation centers of the two clamping jaw pieces are fixed and symmetrically distributed on two sides of the telescopic assembly, the clamping jaw pieces are hinged with the telescopic assembly, and the other ends of the clamping jaw pieces extend out of the opening of the placing cavity; the telescopic component is telescopically arranged in the placing cavity so as to drive the two claw pieces to rotate relatively around the respective rotation centers and clamp or loosen the carrier roller.

By adopting the scheme, the clamping jaw assembly is driven to open and close through the telescopic assembly, the clamping of the carrier rollers with different specifications is further realized, the situation that the carrier roller hanging device is required to be replaced when the carrier rollers with different specifications and models are clamped in the automatic carrier roller spraying production line is required to replace carrier roller hanging devices in the prior art is avoided, the labor intensity of operators is high, the equipment cost is high, the carrier roller hanging device is ensured to clamp the carrier rollers, the applicability of the carrier roller hanging device is improved, the processing cost is reduced, the carrier roller hanging device provided by the embodiment does not need to be replaced frequently, the condition that the carrier roller hanging position of the carrier roller is more and the dismounting efficiency is low in the automatic carrier roller spraying production line in the prior art is avoided, and the carrier roller hanging device is beneficial to improving the processing efficiency of the carrier roller.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic structural view of a carrier roller hanging device provided by an embodiment of the present utility model;

fig. 2 shows a test chart of the idler hanger of fig. 1;

fig. 3 shows a top view of the idler hanger of fig. 1;

fig. 4 shows a schematic structural view of a frame in the carrier roller suspension of fig. 1;

fig. 5 shows a schematic structural view of a transfer block in the carrier roller hanging device of fig. 1;

fig. 6 shows a schematic structural view of a sling in the carrier roller suspension device of fig. 1;

fig. 7 is a schematic view of a part of a first pin in the carrier roller hanging device in fig. 1.

Wherein the above figures include the following reference numerals:

10. a frame; 101. a placement cavity; 102. limiting hole grooves; 103. a hook member; 104. penetrating holes; 11. a mounting cover; 12. a hanging ear seat;

20. a telescoping assembly; 21. a first pin; 211. a positioning piece; 212. a stop section; 213. a limiting section; 2131. positioning holes; 22. a telescoping member; 221. an elastic reset piece; 222. a transfer block; 2221. a hanging block; 2222. a limiting block;

31. a jaw member; 311. a connecting rod; 312. a lifting appliance; 3121. a bending section; 3122. an avoidance zone; 313. a third pin;

40. a second pin;

50. a gasket;

60. and (3) carrying rollers.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 7, an embodiment of the present utility model provides a carrier roller hanging device, including: a frame 10 having a placement cavity 101 with an opening facing downward; the telescopic assembly 20 and the jaw assembly are connected with each other, the jaw assembly can pass through the opening of the placing cavity 101 in an openable manner and is in limit fit with the inner wall of the placing cavity 101, the jaw assembly comprises two jaw pieces 31 which can rotate relatively, the rotation centers of the two jaw pieces 31 are fixed and symmetrically distributed on two sides of the telescopic assembly 20, the jaw pieces 31 are hinged with the telescopic assembly 20, and the other ends of the jaw pieces 31 extend out of the opening of the placing cavity 101; the telescopic assembly 20 is telescopically disposed in the placement cavity 101 to drive the two jaw members 31 to rotate relative to each other about their respective centers of rotation and to clamp or release the idler roller 60.

In this embodiment, realize the drive that opens and shuts to the jack catch subassembly through telescopic subassembly 20, and then realize the centre gripping to the bearing roller 60 of different specifications, avoid among the prior art because the spindle nose groove flat specification of bearing roller 60 of different size specifications is different, the automatic production line that sprays paint of bearing roller 60 need change bearing roller hanger when carrying out the dress card to the bearing roller 60 of different specification models lead to operating personnel's intensity of labour, the higher condition of equipment cost, on the basis of guaranteeing the clamping effect of bearing roller cable hanger to bearing roller 60, bearing roller cable's suitability has been improved and processing cost has been reduced, and the bearing roller cable through the bearing roller cable that this embodiment provided does not need frequent change, the condition that bearing roller 60 automatic production line of spraying paint is more to the hanging position of bearing roller 60, dismouting inefficiency in the prior art has been avoided, be favorable to improving the machining efficiency to bearing roller 60.

On the other hand, the telescopic assembly 20 is adopted to realize the rotation driving of the jaw piece 31, so that the situation that the torque requirement for the driving piece is high when the jaw piece 31 is directly driven to rotate is avoided, and the reliability and the service life of the carrier roller hanging device are guaranteed.

As shown in fig. 1 to 3 and fig. 5 and 6, the jaw member 31 includes a connecting rod 311 and a lifting tool 312 hinged end to end, one end of the connecting rod 311, which is away from the lifting tool 312, is hinged to the telescopic assembly 20, one end of the lifting tool 312, which is away from the connecting rod 311, extends out of the placement cavity 101 and has a bending section 3121, the bending section 3121 is used for flat-clamping with a shaft head groove on the carrier roller 60, and the rotation center of the lifting tool 312 is fixed.

In this embodiment, the link 311 is provided to ensure the reliability and stability of rotation of the lifting appliance 312 about the rotation center, so that the telescopic assembly 20 can realize rotation driving of the lifting appliance 312 when realizing the telescopic operation in the vertical direction. The bending section 3121 facilitates clamping the carrier roller 60 and is beneficial to ensuring the clamping effect on the carrier roller 60. Specifically, the jaw member 31 further includes a third pin 313, and the link 311 and the hanger 312 are hinged by the third pin 313, and both are clearance-fitted with the third pin 313.

Specifically, the end of the hanger 312 connected to the link 311 has an avoidance area 3122, and the end of the link 311 is located in the avoidance area 3122 and is hinged to the link 311. This arrangement is advantageous in reducing the size of the claw member 31 and miniaturizing the carrier roller hanging device.

As shown in fig. 1 to 4, the frame 10 has two limiting hole slots 102 penetrating through two opposite side walls along the width direction, the limiting hole slots 102 extend along the vertical direction, the telescopic assembly 20 includes a first pin 21 and a telescopic member 22, one end of the telescopic member 22 is disposed on the top wall of the placement cavity 101, the first pin 21 penetrates through the other end of the telescopic member 22, two ends of the telescopic member 22 penetrate through the two limiting hole slots 102 respectively, the ends of the two jaw members 31 are rotatably sleeved on the first pin 21, and the telescopic member 22 is telescopically disposed so that the first pin 21 moves along the extending direction of the limiting hole slots 102 and drives the two jaw members 31 to rotate relatively. This arrangement facilitates the limitation of the rotation center of the hanger 312, and at the same time enables the limit support of the jaw members 31.

As shown in fig. 1 to 3 and fig. 7, the first pin 21 includes a positioning member 211, and a stop section 212 and a stop section 213 which are connected to each other, the size of the stop section 212 is larger than that of the stop section 213 and the size of the stop hole slot 102, the stop section 212 is in stop fit with one side wall of the frame 10, one end of the stop section 213 passing through the frame 10 is provided with a positioning hole 2131, and the positioning member 211 is inserted into the positioning hole 2131 and is in stop fit with the other opposite side wall of the frame 10. The arrangement is convenient for an operator to limit the installation of the first pin shaft 21, and the condition that the first pin shaft 21 is separated from the frame 10 to cause the failure of the carrier roller hanging device is avoided.

As shown in fig. 1 and 3, the top wall of the placement cavity 101 is provided with a hook member 103 positioned on the same vertical plane with the two limiting hole slots 102, the telescopic member 22 comprises an elastic reset member 221 and a switching block 222, the elastic reset member 221 is hung on the hook member 103, the switching block 222 is hung on the elastic reset member 221, the first pin shaft 21 passes through the switching block 222, wherein the elastic reset member 221 is a tightening spring, and the elastic reset member 221 is used for enabling the opened clamping jaw assembly to be closed by itself.

In this embodiment, the jaw assembly is normally in a closed state, in this state, the adapter block 222 is located at the top of the limiting hole slot 102 under the tightening action of the tightening spring, when the jaw assembly needs to be opened so as to clamp the carrier roller 60, an operator presses the adapter block 222 to move downwards along the extending direction of the limiting hole slot 102 and stretch the spring, along with the movement of the adapter block 222, the connecting rod 311 connected with the adapter block 222 moves downwards and drives the lifting tool 312 to rotate together with the lifting tool 312 under the limitation of the rotation center of the lifting tool 312, so as to realize the opening of the jaw assembly, then the carrier roller 60 is placed in an opened area by the operator and releases the adapter block 222, and the adapter block 222 resets under the tightening action of the tightening spring and enables the jaw assembly to be closed, so that the clamping of the carrier roller 60 is completed. The setting realizes automatic resetting of opening and closing the jaw assembly, is simple to operate, and improves the clamping efficiency of the carrier roller 60.

Further, an operator can adjust the opening of the jaw assembly based on the length of movement of the adapter block 222 within the spacing pocket 102 to accommodate a variety of different sized idlers 60.

As shown in fig. 3 and 5, the adapter block 222 includes a hooking block 2221 and a stopper 2222, the hooking block 2221 has a hooking hole for hooking with the elastic restoring member 221, and the stopper 2222 has a through hole for penetrating the first pin 21; in the width direction of the frame 10, the width of the hooking block 2221 is smaller than the width of the limiting block 2222, the two claw members 31 are located at two sides of the switching block 222, and one side of the two claw members 31 facing away from each other is in limiting fit with two opposite side walls of the frame 10.

In this embodiment, the width of the hooking block 2221 is smaller than the width of the limiting block 2222, so that the convenience of hooking the elastic reset piece 221 to the hooking block 2221 is ensured, and meanwhile, the reliability of switching the two jaw members 31 by the limiting block 2222 is ensured. Further, one sides of the two claw members 31, which deviate from each other, are respectively in limit fit with two opposite side walls, so that the two claw members 31 and a limit block 2222 positioned between the two claw members 31 are limited, the situation that the claw members 31 swing along the width direction of the frame 10 easily occurs in the clamping process is avoided, and the reliability of the carrier roller hanging device is ensured.

As shown in fig. 1 to 3, the carrier roller hanging device further includes two second pin shafts 40 parallel to each other, the second pin shafts 40 extend along the width direction of the frame 10, two ends of the second pin shafts 40 respectively penetrate through two opposite side walls of the frame 10, two claw members 31 are respectively rotatably sleeved on the two second pin shafts 40, and the axis of the second pin shafts 40 is the rotation center of the claw members 31.

In this embodiment, two opposite side walls of the placement cavity 101 along the width direction of the frame 10 are provided with two sets of through holes 104, and two ends of the second pin 40 are inserted into the two opposite sets of through holes 104 and are tightly matched with the inner walls of the through holes 104. The arrangement is convenient for limiting the rotation center of the claw piece 31, and ensures the clamping effect of the claw piece 31 on the carrier roller 60 and the limitation of the position of the claw piece 31. It will be appreciated that the second pin 40 in this embodiment is primarily used to limit movement of the jaw member 31 within the frame 10, and that rotation of the second pin 40 and/or rotation of the jaw member 31 relative to the second pin 40 is not limited.

Specifically, the carrier roller hanging device further includes a plurality of gaskets 50, and the plurality of gaskets 50 are distributed at the switching positions of the frame 10 and the telescopic assembly 20 and the switching positions of the frame 10 and the jaw assembly.

In this embodiment, the first pin shaft 21 and the second pin shaft 40 on both sides of any one of the jaw members 31 along the width direction of the frame 10 are respectively sleeved with the gasket 50, so as to limit the movement of the jaw members 31 along the direction of the second pin shaft 40, and simultaneously avoid the situation that the jaw members 31 are easy to be damaged due to collision and friction with the inner wall of the placement cavity 101. On the other hand, gaskets 50 are also disposed between the stop section 212 and the frame 10 and between the positioning member 211 and the frame 10 to avoid collision damage between the first pin 21 and the frame 10.

As shown in fig. 4, the frame 10 includes a mounting cover 11 and a hanger 12 provided on the mounting cover 11, the region surrounded by the mounting cover 11 forms a placement cavity 101 with an opening facing downward, and the hanger 12 is used for integrally hanging the connected mounting cover 11, telescopic assembly 20 and jaw assembly at different positions.

The setting like this is favorable to the protection and spacing to clamping jaw subassembly and flexible subassembly 20 through installing cover 11, is convenient for operating personnel to the holistic quick assembly disassembly of bearing roller cable-stay device through hangers seat 12 to be convenient for to quick replacement or maintenance etc. of bearing roller cable-stay device.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A carrier roller hanging device, characterized by comprising:

a frame (10) having a placement cavity (101) with an opening facing downward;

the telescopic assembly (20) and the jaw assembly are connected with each other, the jaw assembly can pass through the opening of the placing cavity (101) in an openable and closable manner and is in limit fit with the inner wall of the placing cavity (101), the jaw assembly comprises two jaw members (31) which can rotate relatively, the rotation centers of the two jaw members (31) are fixed and symmetrically distributed on two sides of the telescopic assembly (20), the jaw members (31) are hinged with the telescopic assembly (20), and the other ends of the jaw members (31) extend out of the opening of the placing cavity (101); the telescopic assembly (20) is telescopically arranged in the placing cavity (101) so as to drive the two claw pieces (31) to rotate around the respective rotation centers relatively and clamp or loosen the carrier roller (60).

2. The carrier roller hanging device according to claim 1, characterized in that the claw member (31) comprises a connecting rod (311) and a lifting appliance (312) hinged end to end, one end of the connecting rod (311) deviating from the lifting appliance (312) is hinged with the telescopic component (20), one end of the lifting appliance (312) deviating from the connecting rod (311) extends out of the placing cavity (101) and is provided with a bending section (3121), the bending section (3121) is used for flat clamping fit with a shaft head groove on the carrier roller (60), and the rotation center of the lifting appliance (312) is fixed.

3. The carrier roller hanging device according to claim 2, characterized in that one end of the hanger (312) connected with the connecting rod (311) is provided with an avoidance area (3122), and one end of the connecting rod (311) is positioned in the avoidance area (3122) and hinged with the connecting rod (311).

4. The carrier roller hanging device according to claim 1, wherein the frame (10) is provided with two limiting hole grooves (102) penetrating through two opposite side walls along the width direction, the limiting hole grooves (102) extend along the vertical direction, the telescopic assembly (20) comprises a first pin shaft (21) and a telescopic piece (22), one end of the telescopic piece (22) is arranged on the top wall of the placing cavity (101), the first pin shaft (21) penetrates through the other end of the telescopic piece (22) and two ends of the telescopic piece penetrate through the two limiting hole grooves (102) respectively, the end portions of the two claw pieces (31) are rotatably sleeved on the first pin shaft (21), and the telescopic piece (22) is arranged in a telescopic mode so that the first pin shaft (21) moves along the extending direction of the limiting hole grooves (102) and drives the two claw pieces (31) to rotate relatively.

5. The carrier roller hanging device according to claim 4, wherein the first pin shaft (21) comprises a positioning piece (211), a stop section (212) and a stop section (213) which are connected with each other, the size of the stop section (212) is larger than that of the stop section (213) and the size of the stop hole groove (102), the stop section (212) is in stop fit with one side wall of the frame (10), one end of the stop section (213) penetrating through the frame (10) is provided with a positioning hole (2131), and the positioning piece (211) is penetrated in the positioning hole (2131) and is in stop fit with the other opposite side wall of the frame (10).

6. The carrier roller hanging device according to claim 4, wherein a hanging hook (103) which is located on the same vertical plane with the two limiting hole grooves (102) is arranged on the top wall of the placing cavity (101), the telescopic piece (22) comprises an elastic reset piece (221) and an adapter block (222), the elastic reset piece (221) is hung on the hanging hook (103), the adapter block (222) is hung on the elastic reset piece (221), the first pin shaft (21) penetrates through the adapter block (222) to be arranged, the elastic reset piece (221) is a tightening spring, and the elastic reset piece (221) is used for enabling the opened clamping jaw assembly to be closed by itself.

7. The carrier roller hanging device according to claim 6, wherein the adapter block (222) comprises a hanging block (2221) and a limiting block (2222), the hanging block (2221) is provided with a hanging hole for hanging with the elastic resetting piece (221), and the limiting block (2222) is provided with a through hole for penetrating the first pin shaft (21); in the width direction of the frame (10), the width of the hooking block (2221) is smaller than that of the limiting block (2222), two claw pieces (31) are positioned on two sides of the switching block (222), and one sides, away from each other, of the two claw pieces (31) are respectively in limiting fit with two opposite side walls of the frame (10).

8. The carrier roller hanging device according to claim 1, further comprising two second pin shafts (40) parallel to each other, wherein the second pin shafts (40) extend along the width direction of the frame (10) and two ends of the second pin shafts respectively penetrate through two opposite side walls of the frame (10), two claw members (31) are respectively rotatably sleeved on the two second pin shafts (40), and the axis of the second pin shafts (40) is the rotation center of the claw members (31).

9. The idler hanger of claim 1, further comprising a plurality of shims (50), wherein a plurality of shims (50) are distributed between the frame (10), the telescoping assembly (20) and the frame (10), the jaw assembly.

10. The carrier roller hanging device according to claim 1, characterized in that the frame (10) comprises a mounting cover (11) and a hanging lug seat (12) arranged on the mounting cover (11), the area surrounded by the mounting cover (11) forms the placing cavity (101) with a downward opening, and the hanging lug seat (12) is used for integrally hanging the connected mounting cover (11), the telescopic assembly (20) and the clamping jaw assembly at different positions.