CN210464308U - High-precision measuring device for groove wall thickness - Google Patents
High-precision measuring device for groove wall thickness Download PDFInfo
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- CN210464308U CN210464308U CN201921744324.0U CN201921744324U CN210464308U CN 210464308 U CN210464308 U CN 210464308U CN 201921744324 U CN201921744324 U CN 201921744324U CN 210464308 U CN210464308 U CN 210464308U
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Abstract
The utility model provides a thick high accuracy measurement utensil of trench wall, including U font chi frame, the fixed measuring head of detachable is installed to the one end of U font chi frame, and the fixed measuring head outer peripheral face is as the locating surface, and the other end spiro union of U font chi frame has micrometer screw rod, and detachable activity measuring head is installed to micrometer screw rod's one end, and activity measuring head outer end terminal surface is as the clamping face, and locating surface and clamping face opposition each other relatively, and fixed sleeve is installed to micrometer screw rod's the other end, is provided with the main scale mark of following its axial equidistant range on the fixed sleeve outer peripheral face. Adopt the technical scheme of the utility model, through with the work piece slot wall thickness centre gripping that awaits measuring between the clamping face on fixed measuring head's locating surface and the movable measuring head, can measure according to the operating method of conventional micrometer and draw work piece slot wall thickness numerical value, have advantages such as easy operation, measurement accuracy height, configuration are nimble, have satisfied the measurement work demand under the different conditions.
Description
Technical Field
The utility model belongs to the technical field of measure the utensil, especially, relate to a trench wall thickness high accuracy measurement utensil.
Background
In the manufacturing industry, in order to ensure the manufacturing quality of the parts, the characteristics of each form factor of the parts need to be measured, and in the prior art, when the wall thickness of a groove of some parts needs to be measured, the following measuring methods are generally adopted: firstly, a vernier caliper is adopted for measurement, the precision of the common vernier caliper is generally 0.02mm, the error of a measurement result is often large, the sizes of inner cavities of some grooves are small, and a measuring head of the vernier caliper is difficult to stretch into the inner cavities of the grooves to complete the measurement operation; secondly, a micrometer is adopted for measurement, the measurement precision of the micrometer can reach 0.001mm, however, as the measuring heads of the micrometer are mostly fixed and non-detachable plane measuring surfaces, when the surface of the measured side is in a narrow curved surface shape, the measuring heads are difficult to extend into the inner cavity of the groove, and the measuring surfaces are difficult to be attached to the surface to be measured, so that the measurement precision is influenced; and thirdly, indirect measurement is carried out by adopting a three-coordinate machine tool, and the measurement method requires operators to have quite high measurement technology, measurement method and measurement skill, so that the operation time is too long, the price of the three-coordinate machine is not high, the three-coordinate machine is difficult to bear for small and medium-scale enterprises, and the hardware investment cost is high. Therefore, in order to accurately measure and obtain the wall thickness value of the groove of the component, it is urgently needed to design and develop a special measuring tool for the wall thickness of the groove.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a trench wall thickness high accuracy measuring instrument.
The utility model discloses a following technical scheme can realize.
The utility model provides a thick high accuracy measurement utensil of trench wall, including U font chi frame, the fixed measuring head of detachable is installed to the one end of U font chi frame, the fixed measuring head outer peripheral face is as the locating surface, the other end spiro union of U font chi frame has micrometer screw rod, detachable activity measuring head is installed to micrometer screw rod's one end, activity measuring head outer end terminal surface is as the clamping face, the locating surface with the clamping face is relative opposition each other, fixing sleeve is installed to micrometer screw rod's the other end, be provided with the main scale mark of following its axial equidistant range on the fixing sleeve outer peripheral face.
The positioning surface is a spherical surface or a cylindrical surface, and the clamping surface is a spherical surface or a plane corresponding to the positioning surface.
The main graduation mark is divided into 1 mm.
The outer peripheral surface of the fixed sleeve is also in threaded connection with a micro-drum, and the outer peripheral surface of the micro-drum is provided with auxiliary scale lines which are arranged at equal intervals along the circumferential direction of the micro-drum.
The thread pitch of the thread on the outer peripheral surface of the fixed sleeve, which is screwed with the micro-cylinder, is 0.5 mm.
The number of the auxiliary scale lines is 50.
The tail end of the micrometer screw is further provided with a force measuring device, the fixing sleeve is arranged between the ruler frame and the force measuring device, and the force measuring device is used for applying acting force to the micrometer screw along the axial direction of the micrometer screw.
The micrometer frame is further provided with a locking device, and the locking device is used for limiting the axial position of one end of the micrometer frame relative to the micrometer screw rod.
The beneficial effects of the utility model reside in that: adopt the technical scheme of the utility model, when measuring the outer slot wall thickness of spare part, through the locating surface on the fixed measuring head, the clamping face on the activity measuring head will await measuring work piece centre gripping, through the numerical value of reading main scale mark and vice scale mark, can directly obtain quantized slot wall thickness measurement result, the utility model discloses operating method is the same with the application method of common micrometer on the existing market, and the measuring staff of being convenient for masters, has measurement accuracy height, convenient operation's advantage, and in addition, the locating surface on the fixed measuring head, the clamping face one-to-one on the activity measuring head to can mate in a flexible way and install on the chi frame, the user can change according to service condition or measuring object's variation, and flexible operation has satisfied different measuring demands.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of a first embodiment of a fixed measuring head according to the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the fixed measuring head of the present invention;
FIG. 4 is a schematic structural diagram of a first embodiment of a movable measuring head according to the present invention;
fig. 5 is a schematic structural diagram of a second embodiment of the movable measuring head of the present invention.
In the figure: 1-ruler frame, 2-fixed measuring head, 3-movable measuring head, 4-micrometer screw, 5-locking device, 6-fixed sleeve, 7-micro-cylinder, 8-force measuring device, 201-positioning surface and 301-clamping surface.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 5, the utility model provides a thick high accuracy measurement utensil of trench wall, including U font chi frame 1, detachable fixed measuring head 2 is installed to the one end of U font chi frame 1, fixed measuring head 2 outer peripheral face is as locating surface 201, U font chi frame 1's other end spiro union has micrometer screw rod 4, detachable movable measuring head 3 is installed to micrometer screw rod 4's one end, 3 outer end terminal surfaces of movable measuring head are as clamping face 301, locating surface 201 and clamping face 301 opposition each other, fixing sleeve 6 is installed to micrometer screw rod 4's the other end, be provided with the main scale mark of following its axial equidistant range on the fixing sleeve 6 outer peripheral face.
Adopt the technical scheme of the utility model, when measuring the outer slot wall thickness of spare part, through the locating surface on the fixed measuring head, the clamping face on the activity measuring head will await measuring work piece centre gripping, through the numerical value of reading main scale mark and vice scale mark, can directly obtain quantized slot wall thickness measurement result, the utility model discloses operating method is the same with the application method of common micrometer on the existing market, and the measuring staff of being convenient for masters, has measurement accuracy height, convenient operation's advantage, and in addition, the locating surface on the fixed measuring head, the clamping face one-to-one on the activity measuring head to can mate in a flexible way and install on the chi frame, the user can change according to service condition or measuring object's variation, and flexible operation has satisfied different measuring demands.
Further, the positioning surface 201 is a spherical surface or a cylindrical surface, and the clamping surface 301 is a spherical surface or a flat surface corresponding to the positioning surface 201. In addition, two support arms of the U-shaped ruler frame 1 can be made thinner, so that the fixed measuring head 2 can go deep into the inner cavity of the groove of the workpiece to be measured to carry out measuring operation.
Furthermore, the main graduation marks are graduated 1 mm. The outer peripheral surface of the fixed sleeve 6 is also in threaded connection with a micro-drum 7, and the outer peripheral surface of the micro-drum 7 is provided with auxiliary graduation lines which are arranged at equal intervals along the circumferential direction of the micro-drum. The thread pitch of the thread screwed with the micro-cylinder 7 on the outer peripheral surface of the fixed sleeve 6 is 0.5 mm. The number of the sub-scale lines is 50. Adopt the technical scheme of the utility model, micro-section of thick bamboo 7 rotates the round at every turn, and micro-section of thick bamboo 7 is 0.5mm for a pitch of 6 axial displacement of fixed sleeve, and vice scale mark 71 quantity is 50, and the size of each small check is 0.5mm/50 ═ 0.01mm on micro-section of thick bamboo 7, in addition can estimate and read one, promptly the utility model discloses a measurement accuracy is 0.001 mm.
In addition, the tail end of the micrometer screw rod 4 is also provided with a force measuring device 8, the fixing sleeve 6 is arranged between the ruler frame 1 and the force measuring device 8, and the force measuring device 8 is used for applying acting force to the micrometer screw rod 4 along the axial direction of the micrometer screw rod 4. The ruler frame 1 is also provided with a locking device 5, and the locking device 5 is used for limiting the position of one end of the ruler frame 1 in the axial direction relative to the micrometer screw rod 4. Adopt the technical scheme of the utility model, locking device 5 is used for injecing the one end of chi frame 1 for 4 ascending positions of micrometering screw rod, and measuring force device 8 is used for applying certain measurement effort, and the user of being convenient for has sufficient time and reads the numerical value on main scale mark, the vice scale mark.
Claims (8)
1. The utility model provides a groove wall thickness high accuracy measuring tool which characterized in that: including U font chi frame (1), the fixed measuring head of detachable (2) is installed to the one end of U font chi frame (1), fixed measuring head (2) outer peripheral face is as locating surface (201), the other end spiro union of U font chi frame (1) has micrometer screw rod (4), detachable activity measuring head (3) are installed to the one end of micrometer screw rod (4), activity measuring head (3) outer end terminal surface is as clamping face (301), locating surface (201) with clamping face (301) opposition relatively each other, fixing sleeve (6) are installed to the other end of micrometer screw rod (4), be provided with the main scale mark of following its axial equidistant range on fixing sleeve (6) outer peripheral face.
2. The apparatus for measuring trench wall thickness with high precision of claim 1, wherein: the positioning surface (201) is a spherical surface or a cylindrical surface, and the clamping surface (301) is a spherical surface or a plane corresponding to the positioning surface (201).
3. The apparatus for measuring trench wall thickness with high precision of claim 1, wherein: the main graduation mark is divided into 1 mm.
4. The apparatus for measuring trench wall thickness with high precision of claim 1, wherein: the outer peripheral surface of the fixed sleeve (6) is also in threaded connection with a micro-drum (7), and the outer peripheral surface of the micro-drum (7) is provided with auxiliary scale lines which are arranged at equal intervals along the circumferential direction of the micro-drum.
5. The apparatus for measuring trench wall thickness with high precision of claim 4, wherein: the thread pitch of the thread on the outer peripheral surface of the fixed sleeve (6) which is screwed with the micro-drum (7) is 0.5 mm.
6. The apparatus for measuring trench wall thickness with high precision of claim 4, wherein: the number of the auxiliary scale lines is 50.
7. The apparatus for measuring trench wall thickness with high precision of claim 1, wherein: the micrometer screw rod (4) is characterized in that a force measuring device (8) is further mounted at the tail end of the micrometer screw rod (4), the fixing sleeve (6) is arranged between the ruler frame (1) and the force measuring device (8), and the force measuring device (8) is used for applying acting force to the micrometer screw rod (4) along the axial direction of the micrometer screw rod (4).
8. The apparatus for measuring trench wall thickness with high precision of claim 1, wherein: the micrometer frame (1) is further provided with a locking device (5), and the locking device (5) is used for limiting the position of one end of the micrometer frame (1) relative to the micrometer screw (4) in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921744324.0U CN210464308U (en) | 2019-10-17 | 2019-10-17 | High-precision measuring device for groove wall thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921744324.0U CN210464308U (en) | 2019-10-17 | 2019-10-17 | High-precision measuring device for groove wall thickness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210464308U true CN210464308U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921744324.0U Active CN210464308U (en) | 2019-10-17 | 2019-10-17 | High-precision measuring device for groove wall thickness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210464308U (en) |
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2019
- 2019-10-17 CN CN201921744324.0U patent/CN210464308U/en active Active
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