CN219551391U

CN219551391U - Tool for detecting inner hole of idler shaft

Info

Publication number: CN219551391U
Application number: CN202321250818.XU
Authority: CN
Inventors: 黄进
Original assignee: Zhejiang Guochang Machinery Co ltd
Current assignee: Zhejiang Guochang Machinery Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-08-18
Anticipated expiration: 2033-05-23

Abstract

The utility model discloses an idler shaft inner hole gauge, and belongs to the technical field of idler shafts. An idler shaft inner hole gauge comprises a base, a bracket, a jacking component, a connecting rod, a detection block, a control component and a limiting plate; according to the utility model, centering of the idler shaft is realized through the jacking component, the detection block is driven to move downwards through the connecting rod and enter the inner hole at the upper end of the idler shaft for detection, the limiting plate can mark the aperture size of the standard part of the idler shaft, the detection purpose is realized according to whether the detection block can accurately enter the inner hole on the idler shaft, the condition of detection error caused by false touch can not occur, repeated debugging is not needed, and the detection efficiency is improved.

Description

Tool for detecting inner hole of idler shaft

Technical Field

The utility model belongs to the technical field of idler shafts, and particularly relates to an idler shaft inner hole gauge.

Background

The idler shaft is generally a part for installing an idler, and is one of important parts in an engine; the common idler shaft is usually required to be drilled, ground and chamfered to be matched with external parts for connection, and in order to ensure the connection accuracy of the idler shaft, the aperture of the idler shaft is required to be detected, so that the condition that the assembly is not matched due to the fact that the aperture is too small is avoided;

the traditional idler shaft aperture detection is carried out by manually using a vernier caliper, but in the mode, in the actual detection process, the situation that the vernier caliper is touched by a worker mistakenly to cause detection errors is easy to occur, and meanwhile, repeated debugging is required by using the vernier caliper, so that the detection efficiency is relatively low, and the labor intensity is high; therefore, an idler shaft inner hole gauge is provided.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an idler shaft inner hole gauge which can realize accurate measurement of the aperture of an idler shaft, avoid error leakage and improve detection efficiency.

The utility model relates to an idler shaft inner hole gauge which comprises a base, a bracket, a jacking component, a connecting rod, a detection block, a control component and a limiting plate, wherein the bracket is arranged on the base; the jacking component is fixedly arranged at the lower end of the base, and the output end of the jacking component penetrates through the base and abuts against the inner wall of the idler shaft; the connecting rod is slidably arranged on the bracket, and the detection block is fixedly arranged at the lower end of the connecting rod; the detection block is of a conical structure with a small bottom and a large top, the detection block is provided with a sliding groove, the limiting plate is slidably mounted in the sliding groove, the control assembly is fixedly mounted on the conical block, and the output end of the control assembly is connected with the limiting plate to drive the limiting plate to move up and down.

As a further improvement of the utility model, the jacking component comprises a screw rod, a handle, a left nut seat, a right nut seat, a left ejector rod and a right ejector rod; the screw rod is rotatably arranged on the base, the handle is fixedly connected with one end of the screw rod, the left nut seat and the right nut seat are sleeved on the screw rod, and the screw rod is rotated to drive the left nut seat and the right nut seat to move in opposite directions; the base is provided with a guide groove, the upper end of the left ejector rod penetrates through the guide groove to extend out of the base, the lower end of the left ejector rod is fixedly connected with the left nut seat, the upper end of the right ejector rod penetrates through the guide groove to extend out of the base, and the lower end of the right ejector rod is fixedly connected with the right nut seat.

As a further improvement of the utility model, the screw rod is symmetrically provided with a positive wire section and a negative wire section, the left nut seat is sleeved on the positive wire section, and the right nut seat is sleeved on the negative wire section.

As a further improvement of the utility model, the upper end of the bracket is fixedly provided with a guide sleeve, and the connecting rod is slidably arranged in the guide sleeve.

As a further improvement of the utility model, the upper end of the connecting rod is provided with a limiting handle.

As a further improvement of the utility model, the control assembly comprises a screw rod, a rotary handle and a screw sleeve, wherein the screw sleeve is fixedly arranged at the upper end of the detection block, the upper end of the screw rod is in threaded connection with the screw sleeve, the lower end of the screw rod extends into the chute, the lower end of the screw rod is in rotary connection with the limiting plate, and the rotary handle is fixedly arranged at the upper end of the screw rod.

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, centering of the idler shaft is realized through the jacking component, the detection block is driven to move downwards through the connecting rod and enter the inner hole at the upper end of the idler shaft for detection, the limiting plate can mark the aperture size of the standard part of the idler shaft, the detection purpose is realized according to whether the detection block can accurately enter the inner hole on the idler shaft, the condition of detection error caused by false touch can not occur, repeated debugging is not needed, and the detection efficiency is improved.

2. According to the utility model, the handle is rotated to drive the screw rod to rotate, and the positive screw section and the negative screw section arranged on the screw rod can drive the positive nut seat and the negative nut seat to move in opposite directions, so that the top plate is driven to move, the inner wall of the lower end of the idler shaft is tightly propped up, and the purpose of centering is realized.

3. The guide sleeve is arranged on the support, so that the limiting guide function can be realized on the movement of the connecting rod, and the movement stability of the connecting rod is improved.

4. According to the utility model, the screw is rotated to drive the limiting plate to move up and down, so that the position of the limiting plate is adjusted, the idler shafts with different apertures can be conveniently detected, and the practicability of the device is improved.

Drawings

FIG. 1 is a schematic diagram of the overall use structure of the present utility model;

FIG. 2 is a schematic view of the structure of the top plate of the present utility model;

FIG. 3 is a schematic view of the structure of the tightening assembly of the present utility model;

fig. 4 is a schematic view of the structure of the control assembly of the present utility model.

The reference numerals in the figures illustrate:

1. a base; 2. a bracket; 201. a guide sleeve; 3. a jacking component; 301. a screw rod; 3011. a positive yarn section; 3012. a reverse silk section; 302. a handle; 303. a left nut seat; 304. a right nut seat; 305. a left ejector rod; 306. a right ejector rod; 307. a guide groove; 4. a connecting rod; 401. a limit handle; 5. a detection block; 501. a chute; 6. a control assembly; 601. a screw; 602. rotating the handle; 603. a screw sleeve; 7. a limiting plate; 8. an idler shaft.

Detailed Description

First embodiment: referring to fig. 1-4, an idler shaft inner hole gauge comprises a base 1, a bracket 2, a jacking component 3, a connecting rod 4, a detection block 5, a control component 6 and a limiting plate 7;

the jacking component 3 comprises a screw rod 301, a handle 302, a left nut seat 303, a right nut seat 304, a left ejector rod 305 and a right ejector rod 306; the screw rod 301 is rotatably arranged on the base 1, the handle 302 is fixedly connected with one end of the screw rod 301, the left nut seat 303 and the right nut seat 304 are sleeved on the screw rod 301, and the screw rod 301 is rotated to drive the left nut seat 303 and the right nut seat 304 to move in opposite directions; the base 1 is provided with a guide groove 307, the upper end of the left ejector rod 305 penetrates through the guide groove 307 to extend out of the base 1, the lower end of the left ejector rod 305 is fixedly connected with the left nut seat 303, the upper end of the right ejector rod 306 penetrates through the guide groove 307 to extend out of the base 1, and the lower end of the right ejector rod 306 is fixedly connected with the right nut seat 304; the screw rod 301 is symmetrically provided with a positive wire section 3011 and a negative wire section 3012, the left nut seat 303 is sleeved on the positive wire section 3011, and the right nut seat 304 is sleeved on the negative wire section 3012; the positive wire section 3011 and the negative wire section 3012 on the screw rod 301 can drive the left nut seat 303 and the right nut seat 304 to move in opposite directions, so that the distance between the left ejector rod 305 and the right ejector rod 306 is adjusted, and the purposes of supporting an idler shaft and centering are achieved;

the upper end of the bracket 2 is fixedly provided with a guide sleeve 201, and the connecting rod 4 is slidably arranged in the guide sleeve 201; the guide sleeve 201 can play a role in limiting and guiding the movement of the connecting rod 4, so that the stability of the movement of the connecting rod 4 is improved; meanwhile, the upper end of the connecting rod 4 is provided with a limit handle 401; the limit handle 401 can prevent the connecting rod 4 from slipping out of the guide sleeve 201

The detection block 5 is of a conical structure with a small lower part and a large upper part, the detection block 5 is provided with a chute 501, the limiting plate 7 is slidably arranged in the chute 501, the conical structure facilitates the detection of the detection block 5 into the idler shaft, and meanwhile, the structure with the small lower part and the large upper part corresponds to different inner diameters, so that the idler shafts with different apertures can be conveniently detected; the control assembly 6 comprises a screw 601, a rotary handle 602 and a threaded sleeve 603, wherein the threaded sleeve 603 is fixedly arranged at the upper end of the detection block 5, the upper end of the screw 601 is in threaded connection with the threaded sleeve 603, the lower end of the screw 601 extends into the chute 501, the lower end of the screw 601 is in rotary connection with the limiting plate 7, and the rotary handle 602 is fixedly arranged at the upper end of the screw 601; the screw 601 is driven to rotate by rotating the rotary handle 602, so that the limiting plate 7 is driven to move, the position of the limiting plate 7 on the detection block 5 is adjusted, and the purpose of detecting idler shafts with different apertures is achieved.

Working principle: in the utility model, the idler wheel to be detected is firstly sleeved on the left ejector rod 305 and the right ejector rod 306, the handle 302 is rotated to drive the screw rod 301 to rotate, and then the left nut seat 303 and the right nut seat 304 are driven to move outwards, so that the idler wheel shaft is propped against the inner wall of the idler wheel shaft, the idler wheel shaft is clamped and fixed, the detection block 5 is moved downwards into the inner hole at the upper end of the idler wheel shaft, whether the limiting plate 7 can prop against the upper end surface of the idler wheel shaft or not is checked, if the limiting plate cannot prop against the upper end surface of the idler wheel shaft, the aperture of the idler wheel shaft is too small, the detection mode is simple, repeated debugging is not needed, and errors are avoided.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. An idler shaft hole examines utensil, its characterized in that: comprises a base (1), a bracket (2), a jacking component (3), a connecting rod (4), a detection block (5), a control component (6) and a limiting plate (7);

the jacking component (3) is fixedly arranged at the lower end of the base (1), and the output end of the jacking component (3) penetrates through the base (1) and abuts against the inner wall of the idler shaft; the connecting rod (4) is slidably arranged on the bracket (2), and the detection block (5) is fixedly arranged at the lower end of the connecting rod (4);

the detection block (5) is of a conical structure with a small bottom and a large top, the detection block (5) is provided with a chute (501), a limiting plate (7) is slidably mounted in the chute (501), a control assembly (6) is fixedly mounted on the conical block, and the output end of the control assembly (6) is connected with the limiting plate (7) to drive the limiting plate (7) to move up and down.

2. The idler shaft inner bore gauge as set forth in claim 1, wherein: the jacking component (3) comprises a screw rod (301), a handle (302), a left nut seat (303), a right nut seat (304), a left ejector rod (305) and a right ejector rod (306); the screw rod (301) is rotatably arranged on the base (1), the handle (302) is fixedly connected with one end of the screw rod (301), the left nut seat (303) and the right nut seat (304) are sleeved on the screw rod (301), and the screw rod (301) is rotated to drive the left nut seat (303) and the right nut seat (304) to move in opposite directions; be provided with guide slot (307) on base (1), left ejector pin (305) upper end runs through guide slot (307) and stretches out base (1), left ejector pin (305) lower extreme and left nut seat (303) fixed connection, right ejector pin (306) upper end runs through guide slot (307) and stretches out base (1), right ejector pin (306) lower extreme and right nut seat (304) fixed connection.

3. The idler shaft inner bore gauge as set forth in claim 2, wherein: the screw rod (301) is symmetrically provided with a positive wire section (3011) and a negative wire section (3012), the left nut seat (303) is sleeved on the positive wire section (3011), and the right nut seat (304) is sleeved on the negative wire section (3012).

4. The idler shaft inner bore gauge as set forth in claim 1, wherein: the upper end of the bracket (2) is fixedly provided with a guide sleeve (201), and the connecting rod (4) is slidably arranged in the guide sleeve (201).

5. The idler shaft inner bore gauge as set forth in claim 4, wherein: the upper end of the connecting rod (4) is provided with a limit handle (401).

6. The idler shaft inner bore gauge as set forth in claim 1, wherein: the control assembly (6) comprises a screw (601), a rotary handle (602) and a screw sleeve (603), wherein the screw sleeve (603) is fixedly arranged at the upper end of the detection block (5), the upper end of the screw (601) is in threaded connection with the screw sleeve (603), the lower end of the screw (601) extends into the sliding groove (501), the lower end of the screw (601) is rotationally connected with the limiting plate (7), and the rotary handle (602) is fixedly arranged at the upper end of the screw (601).