CN213179807U - Locating pin distance measuring tool - Google Patents
Locating pin distance measuring tool Download PDFInfo
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- CN213179807U CN213179807U CN202022613536.4U CN202022613536U CN213179807U CN 213179807 U CN213179807 U CN 213179807U CN 202022613536 U CN202022613536 U CN 202022613536U CN 213179807 U CN213179807 U CN 213179807U
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Abstract
The utility model provides a locating pin distance measuring tool belongs to and measures technical field. The utility model discloses a locating pin distance measuring tool, including positioning seat, support wheel slide and vernier slide, the bottom of positioning seat is equipped with the location axle, the location axle matches with the locating hole in the measured object; one end of the vernier sliding ruler is fixed on the positioning seat, the other end of the vernier sliding ruler is connected with a locking block, and a supporting wheel sliding ruler capable of sliding relatively is sleeved in the locking block; the vernier sliding ruler is matched with a vernier sliding block capable of sliding relatively, and the vernier sliding block is connected with a measuring claw. The special positioning pin hole center-to-center distance measuring device has the characteristics of high measuring precision, stable structure and the like, and is suitable for measuring the distance between the center of the special positioning pin hole and the center of the positioning pin in the high-speed rail technology.
Description
Technical Field
The utility model relates to a measure technical field, in particular to measurement technique of locating pin distance.
Background
With the development of the high-speed rail technology in China, the requirements for railways and supporting auxiliary facilities are high, so that the requirements are required to be measured to check whether the requirements are met no matter the initial processing of equipment or the overhaul of the facilities. The positioning pin has special shape, and as shown in the measured object in figure 1, the cross section of the part is similar to the outer contour of the middle part, the middle part is disc-shaped pin disc, and the lower part are concentrically arranged pin shafts. When the distance from the center of the positioning pin hole on the measured object (or workpiece) to the center of the positioning pin needs to be measured, the existing measuring tools such as a vernier caliper, a straight ruler, a tape measure and the like cannot accurately measure the distance, and the measuring accuracy required by the high-speed rail technology is achieved.
The Chinese utility model patent, application number 201821924607.9, the publication date is: the invention relates to a device for measuring the position of a hole in 2019, 6 and 18 months. Specifically disclose a measure device of hole position, including base, pad foot piece, measuring pin, side support plate, side locating pin, height measurement round pin, its characterized in that base does the utility model discloses a main part, base below both sides are equipped with pad foot piece, and base top front-seat is equipped with the measuring pin, and base top back-seat the left side is equipped with the side support plate, side support plate upper end side is equipped with the side locating plate, side locating plate side is equipped with the side locating pin, and side locating plate top is equipped with the height measurement round pin. The utility model discloses a position and product inclined plane angle in measurement pin, side locating plate and side locating pin measurement product hole. The device for measuring the hole position can only measure the distance between positioning pins with determined lengths, and when the position of the positioning pin/hole is changed, the patent technology cannot meet the function of measuring the distance of the positioning pin; meanwhile, the measurement precision of the method can not meet the requirements of high-speed rail technology.
Therefore, in the case of the development of the high-speed rail technology, the distance between the center of the special positioning pin hole and the center of the positioning pin cannot be measured by the prior art, which is also a problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a positioning pin distance measuring tool, which mainly solves the technical problem that the distance between the center of a special positioning pin hole and the center of a positioning pin cannot be accurately measured, wherein one end of the positioning pin is placed in a positioning hole, a measuring claw is attached to a bus outside the measured positioning pin, and a value on a vernier sliding ruler is accurately read, so that the operation is simple; the technical problem that the distance between the center of the positioning pin hole and the center of the positioning pin cannot be accurately measured is solved, the distance between the center of the positioning pin hole and the center of the positioning pin is guaranteed to be extremely high in measurement accuracy through the cooperation of the vernier sliding ruler and the vernier sliding block, and the measurement accuracy of the technical requirement of high-speed rails is met.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the utility model discloses a locating pin distance measuring tool, including positioning seat, support wheel slide and vernier slide, the bottom of positioning seat is equipped with the location axle, the location axle matches with the locating hole in the measured object; one end of the vernier sliding ruler is fixed on the positioning seat, the other end of the vernier sliding ruler is connected with a locking block, and a supporting wheel sliding ruler capable of sliding relatively is sleeved in the locking block; the vernier sliding ruler is matched with a vernier sliding block capable of sliding relatively, and the vernier sliding block is connected with a measuring claw.
Compared with the prior art, when the distance from the center of the special positioning pin hole to the center of the positioning pin needs to be measured, the positioning shaft can be inserted into the positioning hole of the measured object, the positioning seat is positioned, and then the support wheel slide rule slides downwards and the lower end of the support wheel slide rule is attached to the top surface of the measured object. The measuring jaw adhesion value is measured by the outer side bus of the positioning pin. Reading a vernier value corresponding to an upper cursor sliding block of the vernier sliding ruler, namely the distance A between the center of the positioning pin hole and the center of the positioning pin, so that the technical problem that the distance between the center of the special positioning pin hole and the center of the positioning pin cannot be accurately measured is solved, one end of the vernier sliding ruler is placed in the positioning hole, the measuring claw is attached to a bus outside the measured positioning pin, the value on the vernier sliding ruler is accurately read, and the operation is simple and convenient; the technical problem that the distance of the positioning pin cannot be accurately measured is solved, and the positioning pin is ensured to have extremely high distance measurement precision through the matching of the vernier sliding ruler and the vernier sliding block, so that the measurement precision of the technical requirement of high-speed rails is met. Therefore, the special positioning pin hole center measuring device has the characteristics of high measuring precision, stable structure and the like, and is suitable for measuring the distance from the center of the special positioning pin hole to the center of the positioning pin in the high-speed rail technology.
Further, in order to avoid a large measurement result error due to the displacement of the measuring jaw when the measurement is performed on the pin to be measured, and thus, the measurement accuracy of the high-speed rail cannot be satisfied, the shape of the lower end of the measuring jaw matches the outer shape of the pin to be measured, and when the measuring jaw is attached to the pin to be measured, the center line of the measuring jaw overlaps the outer bus of the pin to be measured, so that the lower end of the measuring jaw only needs to be attached to the outer side of the pin to be measured during the measurement, and the measurement accuracy is ensured to be high.
Furthermore, the fastening screw arranged on the cursor sliding block can limit the cursor sliding block on the cursor sliding ruler; the locking block can be limited on the support wheel sliding ruler by the fastening screw arranged on the locking block; the arrangement of the fastening screw can be locked to avoid sliding. The bottom of the supporting wheel sliding ruler is provided with a supporting wheel which can be used for fine adjustment or sliding to play a supporting role.
Furthermore, the height of the positioning seat is smaller than that of the support wheel sliding ruler, so that the relative sliding reserved space of the support wheel sliding ruler is convenient to control, and the measurement on the measured objects with different depths is ensured; the length of the measuring claw is smaller than the height of the positioning seat, so that the distance from the lower end of the measuring claw to the surface of the measured object is larger than the height of the middle pin disc of the measured positioning pin. The height of the measuring claw can be ensured to be just above the pin disc in the middle of the measured positioning pin, and the measuring claw can be used for measuring the position of the upper pin shaft of the measured positioning pin, so that the measuring tool of the tool is high in precision, and the precision requirement of high-speed rails is met.
Further, the measuring range on the cursor sliding ruler is 100-2200 mm; the division value on the vernier slider is 0.02 mm. The measuring precision of the whole measuring tool can be ensured, and the indication error is ensured to be in the range of-0.25 mm to +0.25 mm. The technical problem that the distance between the center of a positioning pin hole and the center of a positioning pin cannot be accurately measured is solved.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses a locating pin distance measuring tool solves special locating pin hole center to the unable accurate technical problem who is surveyed of locating pin center distance, through arranging one end in the locating hole, pastes through the measuring claw and leans on being measured locating pin outside bus, accurately read the numerical value on the vernier slide ruler can, its operation is promptly for portably.
2. The utility model discloses a locating pin distance measuring tool still solves locating pin hole center to locating pin center distance unable by precision measurement's technical problem, through the cooperation of vernier slide rule and vernier slider, ensures that this locating pin hole center is high to locating pin center distance measurement accuracy within a definite time, satisfies high-speed railway technical requirement's measurement accuracy, and stable in structure, and easy and simple to handle, it is convenient to use, is fit for popularizing and applying.
Drawings
Fig. 1 is a schematic structural view of the positioning pin distance measuring tool of the present invention.
The labels in the figure are: 1-measured object, 2-positioning hole, 3-measured positioning pin, 4-positioning seat, 5-positioning shaft, 6-vernier sliding ruler, 7-vernier sliding block, 8-locking block, 9-supporting wheel sliding ruler, 10-supporting wheel, 11-measuring claw and 12-fastening screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the positioning pin distance measuring tool of the present invention comprises a positioning seat 4, a support wheel slide rule 9 and a vernier slide rule 6, wherein a positioning shaft 5 is arranged at the middle position of the bottom of the positioning seat 4, the positioning shaft 5 is matched with a positioning hole 2 in a measured object 1, so that the positioning shaft 5 is just inserted into the positioning hole 2, and the central line of the whole positioning seat 4 coincides with the central line of the positioning hole 2; one end of the vernier sliding ruler 6 is fixed on the positioning seat 4, the other end of the vernier sliding ruler 6 is connected with a locking block 8, a supporting wheel sliding ruler 9 capable of sliding relatively is sleeved in the locking block 8, a fastening screw 12 arranged on the locking block 8 can limit the locking block 8 on the supporting wheel sliding ruler 9, and a supporting wheel 10 is arranged at the bottom of the supporting wheel sliding ruler 9; the height of the positioning seat 4 is smaller than that of the support wheel slide rule 9; the vernier sliding ruler 6 is matched with a vernier sliding block 7 capable of sliding relatively, and the measurement value on the vernier sliding ruler 6 in the patent reserves the distance from the center line of the positioning seat 4 to the edge part of the positioning seat, so that the measurement range on the vernier sliding ruler 6 is 100-2200 mm; the division value on the vernier slider 7 is 0.02mm, and the indication error is in the range of-0.25 mm- +0.25 mm; the fastening screw 12 arranged on the vernier sliding block 7 can limit the vernier sliding block 7 on the vernier sliding ruler 6, and the vernier sliding block 7 is connected with the measuring claw 11; the length of the measuring claw 11 is smaller than the height of the positioning seat 4, so that the distance from the lower end of the measuring claw 11 to the surface of the measured object 1 is larger than the height of the middle pin disc of the measured positioning pin 3. The shape of the lower end of the measuring claw 11 is matched with the shape of the outer side of the measured positioning pin 3, and when the measuring claw 11 is attached to the measured positioning pin 3, the center line of the measuring claw 11 is overlapped with the outer side generatrix of the measured positioning pin 3.
The utility model discloses a locating pin distance measuring tool, when measuring the distance (size A in figure 1) between locating pin hole center to locating pin center, its method step is:
1. and (4) inserting the positioning pin of the measuring tool into the pin hole of the measured object.
2. And (4) sliding the sliding ruler of the supporting wheel downwards to enable the supporting wheel to be attached to the top surface of the measured object and tighten the fastening screw.
3. The measuring claw is attached to the outside bus of the measured positioning pin.
4. Reading the vernier value, namely the value of the measured dimension A.
Therefore, the technical problem that the distance between the center of a special positioning pin hole and the center of a positioning pin cannot be accurately measured is solved, one end of the positioning pin is placed in a positioning hole, the measuring claw is attached to a bus outside the measured positioning pin, the numerical value on the vernier sliding ruler can be accurately read, and the operation is simple and convenient; the technical problem that the distance of the positioning pin cannot be accurately measured is solved, and the positioning pin is ensured to have extremely high distance measurement precision through the matching of the vernier sliding ruler and the vernier sliding block, so that the measurement precision of the technical requirement of high-speed rails is met. Therefore, the special positioning pin hole center measuring device has the characteristics of high measuring precision, stable structure and the like, and is suitable for measuring the distance from the center of the special positioning pin hole to the center of the positioning pin in the high-speed rail technology. In order to avoid the situation that the measuring claw deviates when the measured positioning pin is measured, so that the measuring result error is large, and the measuring precision of a high-speed rail cannot be met, the shape of the lower end of the measuring claw is matched with the shape of the outer side of the measured positioning pin, when the measuring claw is attached to the measured positioning pin, the center line of the measuring claw is overlapped with the outer side bus of the measured positioning pin, so that the lower end of the measuring claw is only required to be attached to the outer side of the measured positioning pin during measurement, and the high measuring precision is ensured.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (5)
1. Locating pin distance measuring tool, its characterized in that: the device comprises a positioning seat (4), a support wheel sliding ruler (9) and a vernier sliding ruler (6), wherein a positioning shaft (5) is arranged at the bottom of the positioning seat (4), and the positioning shaft (5) is matched with a positioning hole (2) in a measured object (1); one end of the vernier sliding ruler (6) is fixed on the positioning seat (4), the other end of the vernier sliding ruler (6) is connected with a locking block (8), and a supporting wheel sliding ruler (9) capable of sliding relatively is sleeved in the locking block (8); the vernier sliding ruler (6) is matched with a vernier sliding block (7) capable of sliding relatively, and the vernier sliding block (7) is connected with a measuring claw (11).
2. The dowel distance measuring tool of claim 1, wherein: the shape of the lower end of the measuring claw (11) is matched with the shape of the outer side of the measured positioning pin (3), and when the measuring claw (11) is attached to the measured positioning pin (3), the center line of the measuring claw (11) is overlapped with the outer side generatrix of the measured positioning pin (3).
3. The dowel distance measuring tool of claim 2, wherein: the fastening screw (12) arranged on the vernier sliding block (7) can limit the vernier sliding block (7) on the vernier sliding ruler (6); the locking block (8) is provided with a fastening screw (12) which can limit the locking block (8) on the support wheel sliding ruler (9); the bottom of the support wheel sliding ruler (9) is provided with a support wheel (10).
4. The dowel distance measuring tool of claim 3, wherein: the height of the positioning seat (4) is smaller than that of the support wheel slide rule (9); the length of the measuring claw (11) is smaller than the height of the positioning seat (4), so that the distance from the lower end of the measuring claw (11) to the surface of the measured object (1) is larger than the height of a pin disc in the middle of the measured positioning pin (3).
5. The dowel distance measuring tool of claim 1, 2, 3 or 4, wherein: the measuring range on the vernier sliding ruler (6) is 100-2200 mm; the division value on the vernier sliding block (7) is 0.02 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022613536.4U CN213179807U (en) | 2020-11-12 | 2020-11-12 | Locating pin distance measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022613536.4U CN213179807U (en) | 2020-11-12 | 2020-11-12 | Locating pin distance measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213179807U true CN213179807U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022613536.4U Active CN213179807U (en) | 2020-11-12 | 2020-11-12 | Locating pin distance measuring tool |
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| Country | Link |
|---|---|
| CN (1) | CN213179807U (en) |
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2020
- 2020-11-12 CN CN202022613536.4U patent/CN213179807U/en active Active
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