CN210321533U - Hub shaft tube wall thickness difference measuring tool - Google Patents
Hub shaft tube wall thickness difference measuring tool Download PDFInfo
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- CN210321533U CN210321533U CN201921175319.2U CN201921175319U CN210321533U CN 210321533 U CN210321533 U CN 210321533U CN 201921175319 U CN201921175319 U CN 201921175319U CN 210321533 U CN210321533 U CN 210321533U
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Abstract
A hub shaft tube wall thickness difference measuring tool is used in the field of machine manufacturing. The measuring column I and the measuring column II are connected with the body in a sliding mode, and when measuring is conducted, the measuring column I is locked and fixed on the body through screws after the positions of the upper measuring point and the lower measuring point of the hub shaft tube are determined; the measuring tool extends into the hub shaft tube, the first measuring head is aligned with the second measuring head through scale control, and after the upper and lower positions of the second measuring column are determined, the second measuring column is respectively locked and fixed with the first sliding block and the second sliding block through screws; by measuring different wall thickness values of the same circumferential position of the hub shaft tube, the wall thickness difference of the position can be accurately calculated. When the measured wall thickness difference size is within 3mm, the forging die is qualified, otherwise, the forging die must be trimmed. The utility model discloses can eliminate measurement process's volume post beat, can adjust the measuring tool according to the work piece different degree of depth and wall thickness of measuring, adjust measuring tool measuring position at will, measure accurately.
Description
Technical Field
The utility model relates to a machine-building technical field specifically is a measuring tool for measuring hub axle pipe wall thickness difference.
Background
At present, when measuring the deviation of the wall thickness of a deep hole of a hot extrusion forging blank, an operator has the following defects:
1. because the temperature of the blank formed by forging is high, the measurement condition is poor, and the operating personnel are not easy to approach the blank to carry out close-range measurement.
2. The measuring tool has low universality, large input and high cost.
3. The outer circular wall is a circular arc surface, and the positioning head of the outer circle is inaccurately positioned.
4. The measurement accuracy is low, the measurement result is not accurate, and the forging adjustment is not convenient.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a hub axle tube wall thickness difference measuring tool, which is suitable for severe measuring environments and diversified using conditions, improves the measuring efficiency and reduces the measuring cost.
In order to achieve the above object, the first measuring column and the second measuring column of the present invention are slidably connected to the body, and the wall thickness difference at the same circumferential position of the hub axle tube can be accurately calculated by measuring different wall thickness values at the same circumferential position of the hub axle tube through the first measuring column and the second measuring column.
The body is of a frame structure, the upper cross beam, the middle cross beam and the lower cross beam are parallel and are connected with the left end fixing rod into a whole, the right end fixing rod is respectively fixed on the upper cross beam, the middle cross beam and the lower cross beam of the body through a seventh screw, an eighth screw and a ninth screw, and the surfaces of the upper cross beam and the middle cross beam are respectively marked with a first scale and a second scale; the scale marks of the first scale and the second scale are the same, and the left and right positions of the first scale and the second scale on the upper cross beam and the middle cross beam are the same.
Scales III and scales IV are respectively engraved on the surfaces of the first measuring column and the second measuring column; the third scale and the fourth scale are respectively in the same vertical position on the first measuring column and the second measuring column.
The measuring column I is in sliding connection with the hoop I, the hoop I is fixed on the upper cross beam of the body through a screw I and a screw III, and the measuring column I is locked and fixed with the hoop through a screw II after the positions of the upper measuring point and the lower measuring point of the hub shaft tube are determined; the first measuring column is in sliding connection with the second hoop, the fourth screw and the sixth screw for the second hoop are fixed on the middle cross beam of the body, and the fifth screw for the first measuring column is locked and fixed with the second hoop after the positions of the upper measuring point and the lower measuring point of the hub shaft tube of the first measuring column are determined; the first measuring column is of an L-shaped structure, the end part of the lower portion of the first measuring column is provided with a first measuring head, the first measuring head is an alloy head, and the contact surface of the first measuring head and the wall of the hub shaft is a plane.
The second measuring column is connected with the first sliding block in a sliding mode, the first sliding block is connected with the upper cross beam of the body in a sliding mode, the first sliding block is used for enabling the second measuring column to move left and right along the upper cross beam of the body to a measuring point of the tube wall of the hub shaft, and after the upper position and the lower position of the second measuring column are determined, the second measuring column is locked and fixed with the sliding block through a screw ten; the second measuring column is connected with the second sliding block in a sliding mode, the second sliding block is connected with the middle cross beam of the body in a sliding mode, the second measuring column moves left and right along the middle cross beam of the body to a measuring point of the wall of the hub shaft, and after the upper position and the lower position of the second measuring column are determined, the second measuring column is locked and fixed with the second sliding block through a tenth screw; the second measuring column is of an L-shaped structure, the end part of the lower portion of the second measuring column is provided with a second measuring head, the second measuring head is an alloy head, and a contact surface of the second measuring head and the wall of the hub shaft is a plane.
Compared with the prior art, the utility model, have following advantage:
1. the measuring column I and the measuring column II are respectively guided by the anchor ear, the sliding block I and the sliding block II as guide rails, so that the deflection of the measuring column in the measuring process is eliminated.
2. The measuring position of the measuring tool can be adjusted at will according to different depths and wall thicknesses of the measured workpiece.
3. The wearing parts are easy to replace.
4. The measuring head adopts a plane to contact with the workpiece, so that the highest point of the outer circle is convenient to find, and the measurement is accurate.
Drawings
Fig. 1 is a schematic view of the present invention.
FIG. 2 is a schematic view of a connection structure of the second measuring column, the first sliding block and the second sliding block in FIG. 1.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses a volume post 1, volume post two 13 and body 2 sliding connection, through the different wall thickness values that volume post 1, volume post two 13 measured the same circumference position of wheel hub central siphon 23, can accurately calculate the wall thickness difference in this position.
The body 2 is of a frame structure, an upper cross beam 25, a middle cross beam 26 and a lower cross beam 27 are parallel and are connected with a left end fixing rod into a whole, a right end fixing rod 24 is respectively fixed on the upper cross beam 25, the middle cross beam 26 and the lower cross beam 27 of the body 2 through a seventh screw 14, an eighth screw 15 and a ninth screw 16, and scales I11 and II 12 are respectively engraved on the surfaces of the upper cross beam 25 and the middle cross beam 26; the scale marks of the first scale 11 and the second scale 12 are the same, and the positions of the first scale 11 and the second scale 12 on the upper cross beam 25 and the middle cross beam 26 in the left-right direction are the same.
Scales three 28 and four 29 are respectively engraved on the surfaces of the measuring column I1 and the measuring column II 13; the third scale 28 and the fourth scale 29 are respectively in the same vertical position on the first measuring column 1 and the second measuring column 13.
The measuring column I1 is in sliding connection with the hoop I3, the hoop I3 is fixed on an upper cross beam 25 of the body 2 through a screw I4 and a screw III 6, and after the position of the measuring column I1 at the upper and lower measuring points of the hub axle tube 23 is determined, the measuring column I1 is locked and fixed with the hoop I3 through a screw II 5; the measuring column I1 is in sliding connection with the hoop II 10, the hoop II 10 is fixed on the middle cross beam 26 of the body 2 through the screws IV 7 and VI 9, and after the position of the measuring column I1 at the upper and lower measuring points of the hub shaft tube 23 is determined, the measuring column I1 is locked and fixed with the hoop II 10 through the screws V8; the measuring column I1 is of an L-shaped structure, the end part of the lower portion of the measuring column I is provided with a measuring head I18, the measuring head I18 is an alloy head, and the contact surface of the measuring head I18 and the wall of the hub shaft tube 23 is a plane, so that the measuring head I18 and the hub shaft tube 23 can be accurately positioned.
The second measuring column 13 is in sliding connection with the first sliding block 21, the first sliding block 21 is in sliding connection with the upper cross beam 25 of the body 2, the second measuring column 13 is moved left and right along the upper cross beam 25 of the body 2 to a measuring point of the wall of the hub shaft tube 23 by using the first sliding block 21, and after the upper and lower positions of the second measuring column 13 are determined, the second measuring column 13 is locked and fixed with the first sliding block 21 by using a screw ten 20; the second measuring column 13 is in sliding connection with the second sliding block 22, the second sliding block 22 is in sliding connection with the middle cross beam 26 of the body 2, the second measuring column 13 is moved left and right along the upper cross beam 25 of the body 2 to a measuring point of the wall of the hub shaft tube 23 by using the second sliding block 22, and after the upper and lower positions of the second measuring column 13 are determined, the second measuring column 13 is locked and fixed with the second sliding block 22 by using the screw ten 20; the second measuring column 13 is of an L-shaped structure, the end part of the lower portion of the second measuring column is provided with a second measuring head 19, the second measuring head 19 is an alloy head, and the contact surface of the second measuring head 19 and the wall of the hub shaft tube 23 is a plane, so that the second measuring head 19 and the hub shaft tube 23 can be accurately positioned.
During measurement, firstly loosening the first screw 4, the second screw 5, the third screw 6, the fourth screw 7, the fifth screw 8, the sixth screw 9 and the tenth screw 20, fixing the measurement position of the lower cross beam 27 against the upper end face of the hub shaft tube 23, and after the position of the first measuring column 1 at the upper and lower measurement points of the hub shaft tube 23 is determined, locking and fixing the first measuring column 1 on the body 2 by the first screw 4, the second screw 5, the third screw 6, the fourth screw 7, the fifth screw 8 and the sixth screw 9; and then the measuring tool extends into the hub shaft tube 23, the first measuring head 18 is aligned with the second measuring head 19 under the control of the third scale 28 and the fourth scale 29, and the second measuring column 13 is locked and fixed with the first sliding block 21 and the second sliding block 22 respectively by using the screw ten 20 after the upper and lower positions of the second measuring column 13 are determined. By measuring different wall thickness values of the same circumferential position of the hub axle tube 23, the wall thickness difference of the position can be accurately calculated. When the measured wall thickness difference size is within 3mm, the forging die is qualified, otherwise, the forging die must be trimmed.
Claims (5)
1. The utility model provides a wheel hub axle pipe wall thickness difference measuring tool which characterized in that: the measuring column I (1) and the measuring column II (13) are in sliding connection with the body (2), different wall thickness values of the same circumferential position of the hub axle tube (23) are measured through the measuring column I (1) and the measuring column II (13), and the wall thickness difference of the position can be accurately calculated.
2. The hub axle tube wall thickness differential measuring gauge of claim 1, wherein: the body (2) is of a frame structure, an upper cross beam (25), a middle cross beam (26) and a lower cross beam (27) are parallel and are connected with a left end fixing rod into a whole, a right end fixing rod (24) is fixed on the upper cross beam (25), the middle cross beam (26) and the lower cross beam (27) of the body (2) through a seventh screw (14), an eighth screw (15) and a ninth screw (16), and scales I (11) and II (12) are respectively engraved on the surfaces of the upper cross beam (25) and the middle cross beam (26); the scale marks of the first scale (11) and the second scale (12) are the same, and the positions of the first scale (11) and the second scale (12) on the upper cross beam (25) and the middle cross beam (26) in the left-right direction are the same.
3. The hub axle tube wall thickness differential measuring gauge of claim 1, wherein: scales three (28) and four (29) are respectively engraved on the surfaces of the first measuring column (1) and the second measuring column (13); the third scale (28) and the fourth scale (29) are respectively identical in vertical direction positions on the first measuring column (1) and the second measuring column (13).
4. The hub axle tube wall thickness differential measuring gauge of claim 1, wherein: the measuring column I (1) is in sliding connection with the hoop I (3), the hoop I (3) is fixed on an upper cross beam (25) of the body (2) through a screw I (4) and a screw III (6), and after the position of the measuring column I (1) at the upper and lower measuring points of the hub axle tube (23) is determined, the measuring column I (1) is locked and fixed with the hoop I (3) through a screw II (5); the measuring column I (1) is in sliding connection with the hoop II (10), the hoop II (10) is fixed on a middle cross beam (26) of the body (2) through a screw IV (7) and a screw VI (9), and after the position of the measuring column I (1) at the upper and lower measuring points of the hub axle tube (23) is determined, the measuring column I (1) is locked and fixed with the hoop II (10) through a screw V (8); the measuring column I (1) is of an L-shaped structure, the end part of the lower portion of the measuring column I is provided with a measuring head I (18), the measuring head I (18) is an alloy head, and the contact surface of the measuring head I (18) and the wall of the hub shaft tube (23) is a plane.
5. The hub axle tube wall thickness differential measuring gauge of claim 1, wherein: the second measuring column (13) is in sliding connection with the first sliding block (21), the first sliding block (21) is in sliding connection with the upper cross beam (25) of the body (2), the second measuring column (13) is moved left and right along the upper cross beam (25) of the body (2) to a measuring point of the wall of the hub shaft tube (23) by the first sliding block (21), and after the upper and lower positions of the second measuring column (13) are determined, the second measuring column (13) is locked and fixed with the first sliding block (21) by a screw (20); the second measuring column (13) is in sliding connection with the second sliding block (22), the second sliding block (22) is in sliding connection with the middle cross beam (26) of the body (2), the second measuring column (13) is moved left and right along the middle cross beam (26) of the body (2) to a measuring point of the wall of the hub shaft tube (23) by the second sliding block (22), and after the upper and lower positions of the second measuring column (13) are determined, the second measuring column (13) is locked and fixed with the second sliding block (22) by the aid of the screw ten (20); the second measuring column (13) is of an L-shaped structure, the end part of the lower portion of the second measuring column is provided with a second measuring head (19), the second measuring head (19) is an alloy head, and the contact surface of the second measuring head (19) and the wall of the hub shaft tube (23) is a plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175319.2U CN210321533U (en) | 2019-07-25 | 2019-07-25 | Hub shaft tube wall thickness difference measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175319.2U CN210321533U (en) | 2019-07-25 | 2019-07-25 | Hub shaft tube wall thickness difference measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210321533U true CN210321533U (en) | 2020-04-14 |
Family
ID=70126154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921175319.2U Active CN210321533U (en) | 2019-07-25 | 2019-07-25 | Hub shaft tube wall thickness difference measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210321533U (en) |
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2019
- 2019-07-25 CN CN201921175319.2U patent/CN210321533U/en active Active
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