CN215296065U - Large caliper parallelism and indication error rough correction device - Google Patents
Large caliper parallelism and indication error rough correction device Download PDFInfo
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- CN215296065U CN215296065U CN202121772492.8U CN202121772492U CN215296065U CN 215296065 U CN215296065 U CN 215296065U CN 202121772492 U CN202121772492 U CN 202121772492U CN 215296065 U CN215296065 U CN 215296065U
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Abstract
The utility model provides a coarse correction device of slide caliper rule depth of parallelism, indicating value error belongs to measurement measuring tool technical field. Comprises a base, a lifting device, a ruler body and a ruler frame; the top surface of the base is a strip-shaped horizontal plane, the lifting device is fixedly connected to the middle part of the base, and the top of the lifting device is provided with a large caliper support surface; a horizontal ruler body is fixed on one side of the lifting device on the top surface of the base, a ruler frame is slidably sleeved on the ruler body, one end, far away from the lifting device, of the top surface of the ruler frame is fixedly connected with a calibration sheet, one side, far away from the lifting device, of the calibration sheet is a first calibration surface, and the first calibration surface is perpendicular to the horizontal plane and perpendicular to the length direction of the base; the base can be dismantled in elevating gear's opposite side and be connected with the extension base, and extension base top surface is connected with the calibration piece, and the one side that elevating gear was kept away from to the calibration piece is the second face of calibrating, and the second face of calibrating is parallel with first face of calibrating. The utility model is suitable for a big slide caliper's such as axle journal centre-to-centre spacing measuring tape, axletree full length chi, shaft shoulder range chi depth of parallelism examination.
Description
Technical Field
The utility model relates to a measure measuring tool technical field, in particular to big slide caliper rule depth of parallelism, coarse correction device of indicating value error.
Background
In the measuring tool for the motor train unit, a common large caliper comprises a journal center distance measuring ruler (the center distance is 1900-. Therefore, special devices are required to be designed to roughly correct the parallelism and the indication error of the large calipers.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide a coarse calibration device of slide caliper rule depth of parallelism, indicating value error, this measuring device can conveniently realize the correction of slide caliper rule depth of parallelism, indicating value error.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the rough correction device for the parallelism and indication error of the large caliper comprises a base, a lifting device, a caliper body and a caliper frame; the top surface of the base is a strip-shaped horizontal plane, the lifting device is fixedly connected to the middle of the base, a large caliper support surface is arranged at the top of the lifting device, and the large caliper support surface is parallel to the top surface of the base; a horizontal ruler body is fixed on the top surface of the base and on one side of the lifting device, the length direction of the ruler body is consistent with that of the top surface of the base, a ruler frame is sleeved on the ruler body in a sliding mode, the ruler frame and the ruler body are fixed in relative positions through a first bolt, one end, far away from the lifting device, of the top surface of the ruler frame is fixedly connected with a calibration sheet, one side, far away from the lifting device, of the calibration sheet is a first calibration surface, and the first calibration surface is perpendicular to the horizontal plane and perpendicular to the length direction of the base; the base can be dismantled in elevating gear's opposite side and be connected with long base, long base top surface and base top surface are located same horizontal plane, and long base top surface is connected with the calibration piece, and the one side that elevating gear was kept away from to the calibration piece is the second calibration face, and the second calibration face is parallel with first calibration face.
Preferably, the lifting devices are four in number and comprise two low lifting devices and two high lifting devices, the two low lifting devices have the same structure, and the two high lifting devices have the same structure.
Preferably, the ruler body is provided with a scale, and the scale is zero scale with the second calibration surface.
Preferably, the longitudinal section of the calibration block is a right-angled triangle, one of the right-angled surfaces is attached to the top surface of the lengthened base, and the other right-angled surface is a second calibration surface.
Preferably, the lifting device comprises a mounting seat, a supporting rod and a supporting frame, the mounting seat is fixedly mounted on the base, the top of the mounting seat is rotatably connected with a threaded cap, the supporting rod is in threaded connection with the threaded cap and penetrates through the inner cavity of the mounting seat, and the supporting rod is perpendicular to the top surface of the base; the bracing piece top connection carriage sets up the standing groove that holds big slide caliper rule on the carriage, the standing groove is open along length direction's both ends, and the tank bottom surface of standing groove is big slide caliper rule holding surface.
Preferably, the lifting device comprises a mounting seat, a supporting rod and a supporting frame, the mounting seat is fixedly mounted on the base, the top of the mounting seat is rotatably connected with a threaded cap, the supporting rod is in threaded connection with the threaded cap and penetrates through the inner cavity of the mounting seat, and the supporting rod is perpendicular to the top surface of the base; the top of the supporting rod is connected with a supporting frame, a placing groove for accommodating the large caliper is formed in the supporting frame, two ends of the placing groove along the length direction are open, and the bottom surface of the placing groove is a large caliper supporting surface; the plane where the placing grooves of the two low lifting devices are located does not coincide with the plane where the supporting rods of the high lifting devices are located.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses a set up base, elevating gear, blade, chi frame, place the slide caliper rule blade on elevating gear during the use, adjustment elevating gear's height for the jack catch lower extreme and the base top surface parallel and level of being examined the slide caliper rule remove the chi frame, make a measuring face and the laminating of first calibration face of slide caliper rule, detect the clearance of second calibration face and another measuring face of slide caliper rule with the clearance gauge, this clearance is the slide caliper rule depth of parallelism promptly. The measuring scale has the advantages of accurate measurement and convenient use.
2. The utility model discloses set up two low elevating gear and two high elevating gear, be applicable to the different big slide caliper rule of claw length, increased the utility model discloses an applicability, the elevating gear top sets up the standing groove, the placing of the big slide caliper rule of being convenient for. The utility model is suitable for a big slide caliper's such as axle journal centre-to-centre spacing measuring tape, axletree full length chi, shaft shoulder range chi depth of parallelism examination.
Drawings
Fig. 1 is the structure schematic diagram of the rough correction device for the parallelism and indication error of the large caliper.
Fig. 2 is a schematic structural diagram of another view angle of the coarse correction device for parallelism and indication error of the large caliper.
Fig. 3 is a schematic structural view of the low/medium lifting device of the present invention.
1-base, 2-calibration piece, 2 a-first calibration surface, 3-ruler frame, 4-ruler body, 5-lifting device, 51-low lifting device, 51 a-mounting seat, 51 b-supporting rod, 51 c-supporting frame, 51 d-placing groove, 51 e-threaded cap, 52-high lifting device, 6-lengthened base, 7-calibration block and 7 a-second calibration surface.
Detailed Description
In order to more clearly express the present invention, the following detailed description is further provided by way of specific embodiments in combination with the accompanying drawings.
Referring to fig. 1-3, the utility model provides a rough correction device for the parallelism and indication error of a large caliper, which comprises a base 1, a lifting device 5, a caliper body 4 and a caliper frame 3; the top surface of the base 1 is a strip-shaped horizontal plane, the lifting device 5 is fixedly connected to the middle part of the base 1, the top of the lifting device 5 is provided with a large caliper supporting surface, and the large caliper supporting surface is parallel to the top surface of the base 1; a horizontal ruler body 4 is fixed on the top surface of the base 1 and on one side of the lifting device 5, the length direction of the ruler body 4 is consistent with that of the top surface of the base 1, a ruler frame 3 is slidably sleeved on the ruler body 4, the ruler frame 3 and the ruler body 4 are fixed at opposite positions through a first bolt, one end, far away from the lifting device 5, of the top surface of the ruler frame 3 is fixedly connected with a calibration sheet 2, one side, far away from the lifting device 5, of the calibration sheet 2 is a first calibration surface 2a, and the first calibration surface 2a is perpendicular to the horizontal plane and perpendicular to the length direction of the base 1; base 1 can dismantle in elevating gear 5's opposite side and be connected with extension base 6, 6 top surfaces of extension base and 1 top surface of base are located same horizontal plane, and 6 top surfaces of extension base are connected with calibration block 7, and the one side that elevating gear 5 was kept away from to calibration block 7 is second calibration face 7a, and second calibration face 7a is parallel with first calibration face 2 a. Preferably the longitudinal section of proof mass 7 is right triangle, and one of them right-angle face laminating is at extension base 6 top surface, and another right-angle face is second alignment face 7a for the structure is more stable.
By adopting the technical scheme, when in use, the body 4 of the large caliper is placed on the lifting device 5, the height of the lifting device 5 is adjusted, so that the lowest end of the jaw of the large caliper to be detected is flush with the top surface of the base 1, the caliper frame 3 is moved, one measuring surface of the large caliper is attached to the first calibrating surface 2a, the clearance between the second calibrating surface 7a and the other measuring surface of the large caliper is detected by the feeler gauge, and the clearance is the parallelism of the large caliper; the measuring scale has the advantages of accurate measurement and convenient use. The scale body 4 is provided with scales, the scales use the second calibration surface 7a as zero scales, and the reading corresponding to the scale frame 3 is compared with the length of the large caliper to be a indicating error.
The structure of the lifting device 5 may be as follows: the device comprises an installation base 51a, a support rod 51b and a support frame 51c, wherein the installation base 51a is fixedly installed on a base 1, the top of the installation base 51a is rotatably connected with a threaded cap 51e, the support rod 51b is in threaded connection with the threaded cap 51e and penetrates through the inner cavity of the installation base 51a, and the support rod 51b is vertical to the top surface of the base 1; the top of the support rod 51b is connected with a support frame 51c, a placing groove 51d for accommodating a large caliper is formed in the support frame 51c, two ends of the placing groove 51d along the length direction are open, and the bottom surface of the placing groove 51d is a large caliper supporting surface. The width of the placing groove 51d is equivalent to the thickness of the large caliper, and when the large caliper is used, the large caliper can be directly placed in the placing groove 51d without additional fixation. When the lifting device 5 is adjusted, the screw cap 51e is twisted, so that the support rod 51b drives the support frame 51c to move up or down.
In some preferred embodiments of the present invention, the lifting devices 5 are provided with four lifting devices, including two low lifting devices 51 and two high lifting devices 52, the two low lifting devices 51 have the same structure, and the two high lifting devices 52 have the same structure. The lifting device 5 comprises an installation base 51a, a support rod 51b and a support frame 51c, wherein the installation base 51a is fixedly installed on the base 1, the top of the installation base 51a is rotatably connected with a threaded cap 51e, the support rod 51b is in threaded connection with the threaded cap 51e and penetrates through the inner cavity of the installation base 51a, and the support rod 51b is perpendicular to the top surface of the base 1; the top of the support rod 51b is connected with a support frame 51c, a placing groove 51d for accommodating a large caliper is formed in the support frame 51c, two ends of the placing groove 51d along the length direction are open, and the bottom surface of the placing groove 51d is a large caliper supporting surface; the plane of the placing grooves 51d of the two low lifting devices 51 is not coincident with the plane of the supporting rods 51b of the high lifting devices 52. The utility model discloses set up two sets of elevating gear 5 and can make the utility model discloses be suitable for the different big slide caliper rule of jack catch length, increase the utility model discloses a practicality.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (6)
1. The rough correction device for the parallelism and indication error of the large caliper is characterized in that: comprises a base, a lifting device, a ruler body and a ruler frame; the top surface of the base is a strip-shaped horizontal plane, the lifting device is fixedly connected to the middle of the base, a large caliper support surface is arranged at the top of the lifting device, and the large caliper support surface is parallel to the top surface of the base; a horizontal ruler body is fixed on the top surface of the base and on one side of the lifting device, the length direction of the ruler body is consistent with that of the top surface of the base, a ruler frame is sleeved on the ruler body in a sliding mode, the ruler frame and the ruler body are fixed in relative positions through a first bolt, one end, far away from the lifting device, of the top surface of the ruler frame is fixedly connected with a calibration sheet, one side, far away from the lifting device, of the calibration sheet is a first calibration surface, and the first calibration surface is perpendicular to the horizontal plane and perpendicular to the length direction of the base; the base can be dismantled in elevating gear's opposite side and be connected with long base, long base top surface and base top surface are located same horizontal plane, and long base top surface is connected with the calibration piece, and the one side that elevating gear was kept away from to the calibration piece is the second calibration face, and the second calibration face is parallel with first calibration face.
2. A large caliper parallelism, indication error gross correction device according to claim 1, wherein: the lifting devices are four in number and comprise two low lifting devices and two high lifting devices, the two low lifting devices are identical in structure, and the two high lifting devices are identical in structure.
3. A large caliper parallelism, indication error rough correction apparatus according to claim 1 or 2, characterized in that: the ruler body is provided with scales, and the scales are zero scales by using a second calibration surface.
4. A large caliper parallelism, indication error gross correction device according to claim 2, wherein: the longitudinal section of the calibration block is a right-angled triangle, one of the right-angled surfaces is attached to the top surface of the lengthened base, and the other right-angled surface is a second calibration surface.
5. A large caliper parallelism, indication error gross correction device according to claim 1, wherein: the lifting device comprises a mounting seat, a supporting rod and a supporting frame, the mounting seat is fixedly mounted on the base, the top of the mounting seat is rotatably connected with a threaded cap, the supporting rod is in threaded connection with the threaded cap and penetrates through the inner cavity of the mounting seat, and the supporting rod is perpendicular to the top surface of the base; the bracing piece top connection carriage sets up the standing groove that holds big slide caliper rule on the carriage, the standing groove is open along length direction's both ends, and the tank bottom surface of standing groove is big slide caliper rule holding surface.
6. A large caliper parallelism, indication error gross correction device according to claim 2, wherein: the lifting device comprises a mounting seat, a supporting rod and a supporting frame, the mounting seat is fixedly mounted on the base, the top of the mounting seat is rotatably connected with a threaded cap, the supporting rod is in threaded connection with the threaded cap and penetrates through the inner cavity of the mounting seat, and the supporting rod is perpendicular to the top surface of the base; the top of the supporting rod is connected with a supporting frame, a placing groove for accommodating the large caliper is formed in the supporting frame, two ends of the placing groove along the length direction are open, and the bottom surface of the placing groove is a large caliper supporting surface; the plane where the placing grooves of the two low lifting devices are located does not coincide with the plane where the supporting rods of the high lifting devices are located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121772492.8U CN215296065U (en) | 2021-07-30 | 2021-07-30 | Large caliper parallelism and indication error rough correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121772492.8U CN215296065U (en) | 2021-07-30 | 2021-07-30 | Large caliper parallelism and indication error rough correction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215296065U true CN215296065U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121772492.8U Active CN215296065U (en) | 2021-07-30 | 2021-07-30 | Large caliper parallelism and indication error rough correction device |
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| Country | Link |
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| CN (1) | CN215296065U (en) |
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2021
- 2021-07-30 CN CN202121772492.8U patent/CN215296065U/en active Active
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