CN216523481U - Steel tape verification platform - Google Patents
Steel tape verification platform Download PDFInfo
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- CN216523481U CN216523481U CN202122552204.4U CN202122552204U CN216523481U CN 216523481 U CN216523481 U CN 216523481U CN 202122552204 U CN202122552204 U CN 202122552204U CN 216523481 U CN216523481 U CN 216523481U
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- steel tape
- dial indicator
- rod
- clamping mechanism
- screw
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Abstract
The utility model discloses a steel tape verification platform, which comprises a detection platform, a clamping mechanism arranged at one end of the detection platform and a sliding block arranged on the detection platform, wherein the clamping mechanism comprises a first clamping mechanism and a second clamping mechanism; the end part of the supporting rod is of an upward convex structure, and the end part of the supporting rod is arranged at the front end of a measuring head of the dial indicator; when the end part of the supporting rod is pushed, the microscope moves backwards, the end part of the supporting rod abuts against a measuring head of the dial indicator, the measuring head of the dial indicator is linked with a measuring rod of the dial indicator to move backwards, and a moving numerical value is displayed on a dial plate of the dial indicator.
Description
Technical Field
The utility model relates to the technical field of steel tape verification platforms, in particular to a steel tape verification platform.
Background
According to a work measuring instrument verification management method for forced verification of the people's republic of China, which is issued by the state department in 2018, 12 and 25 months, a ruler is used as one of the work measuring instruments for forced verification in a work measuring instrument catalogue for forced verification of the people's republic of China. For different configurations of steel tape, JJG4-2015 Steel tape testing protocol provides different testing standards.
At present, most of steel tape measures on the market are tilted on two sides, and when the steel tape measures are checked, height differences are formed between the two sides of the steel tape measures and a checking platform, so that reading errors are easy to generate. In addition, when the steel tape calibrating equipment on the market detects the indication error of the steel tape, the direct visual estimation is usually adopted for the deviation value of each detected point through a reading microscope, and the reading error is easily generated for the deviation value.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a steel tape calibrating platform, which is configured with a dial indicator and a microscope on a slider, wherein the slider is configured with a fixing mechanism to connect with a sleeve of the dial indicator, a support rod of the microscope is configured at a lower end of the fixing mechanism, an end of the support rod is an upward protruding structure, and an end of the support rod is configured at a front end of a measuring head of the dial indicator, so as to realize linkage between the support rod and the measuring head of the dial indicator, and compare a moving value of the dial indicator with a reading of the microscope, perform a value error calibration, and reduce a reading error of direct vision estimation.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a steel tape verification platform comprises a detection platform, a clamping mechanism arranged at one end of the detection platform and a sliding block arranged on the detection platform, wherein the clamping mechanism comprises a first clamping mechanism and a second clamping mechanism, a dial indicator and a microscope are arranged on the sliding block, a fixing mechanism is arranged on the sliding block, a sleeve of the dial indicator is connected to the fixing mechanism, and a support rod of the microscope is arranged at the lower end of the fixing mechanism; the end part of the supporting rod is of an upward convex structure, and the end part of the supporting rod is arranged at the front end of a measuring head of the dial indicator;
when the end part of the supporting rod is pushed, the microscope moves backwards, the end part of the supporting rod abuts against a measuring head of the dial indicator, the measuring head of the dial indicator is linked with a measuring rod of the dial indicator to move backwards, and a moving numerical value is displayed on a dial plate of the dial indicator.
As a preferred scheme, the detection platform comprises a slide rail and rollers arranged on the slide rail at intervals.
As a preferred scheme, a plurality of supporting seats are arranged at the lower end of the detection table in an interval mode, and the supporting seats are arranged at the same height.
As a preferable scheme, the upper ends of the first clamping mechanism and the second clamping mechanism are respectively provided with a first screw and a movable block for clamping and adjusting the first steel tape and the second steel tape; the rear ends of the first clamping mechanism and the second clamping mechanism are respectively provided with a second screw rod for adjusting the first steel tape and the second steel tape forwards/backwards; and third screw rods are arranged on the outer sides of the first clamping mechanism and the second clamping mechanism respectively and used for carrying out left/right adjustment on the first steel tape and the second steel tape.
As a preferred scheme, the microscope and the dial indicator are respectively vertically placed on the sliding block; the fixing mechanism comprises a first fixing rod transversely arranged on the sliding block, and the first fixing rod is connected to the sleeve of the dial indicator;
a second fixing rod and a third fixing rod are respectively arranged on two sides of the lower end of the first fixing rod, the second fixing rod and the third fixing rod are vertically arranged on the sliding block, and grooves are formed in the upper end surfaces of the second fixing rod, the third fixing rod and the sliding block; the supporting rod of the microscope is arranged in the groove;
the end part of the support rod protrudes upwards to form a linkage block; the linkage block is arranged at the front end of a measuring head of the dial indicator; the measuring head of the dial indicator is arranged at the front end of the first fixing rod; the slider still is provided with the stopper in the front end of linkage piece, the stopper screw thread cup joints in the lead screw, and, the tip of lead screw is connected in linkage piece.
Compared with the prior art, the dial indicator has the obvious advantages and beneficial effects, and particularly, according to the technical scheme, the dial indicator and the microscope are mainly arranged on the sliding block, the fixing mechanism is arranged on the sliding block to be connected with the sleeve of the dial indicator, the supporting rod of the microscope is arranged at the lower end of the fixing mechanism, the end part of the supporting rod is of an upward convex structure, the end part of the supporting rod is arranged at the front end of the measuring head of the dial indicator, the linkage of the supporting rod and the measuring head of the dial indicator is realized, the reading comparison is carried out by combining the moving numerical value of the dial indicator and the microscope, the indication error detection is carried out, and the reading error of direct vision estimation reading is reduced.
Secondly, the steel tape verification platform is provided with a clamping mechanism, the first steel tape and the second steel tape are clamped and adjusted through the first screw rod, the second screw rod and the third screw rod respectively adjust and position the first steel tape and the second steel tape in the left/right direction and the front/back direction, the first steel tape and the second steel tape are enabled to be placed on the steel tape verification platform in parallel, and verification errors are reduced. The structure is simple, and the operation is convenient.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of a clamping mechanism of an embodiment of the present invention;
FIG. 3 is another perspective view (partially exploded) of the clamping mechanism of the embodiment of the present invention;
FIG. 4 is a perspective view of a slider according to an embodiment of the present invention;
FIG. 5 is another perspective view (partially exploded) of the slider of the embodiment of the present invention.
The attached drawings indicate the following:
10. detection table 11 and slide rail
12. Roller 13, supporting seat
20. Clamping mechanism 20a, first clamping mechanism
20b, a second clamping mechanism 21, a first screw
22. Movable block 23, second screw
24. Third screw 201, holder
202. Positioning column 203 and first base
204. Front-rear direction guide rail 205, second base
206. Left and right guide rails 30, slider
31. First fixing rod 32 and second fixing rod
33. Third fixing rod 34 and limiting block
35. Screw 40, percentage table
41. Dial 42, sleeve
43. Measuring rod 44, measuring head
50. Microscope 51, support rod
52. A linkage block.
Detailed Description
The dial indicator works on the principle that the side lever caused by the measured dimension moves and is amplified through a gear, a rack, a lever and other transmission mechanisms to be changed into the rotation of a pointer on a dial, so that the dimension of the measured dimension is read. The utility model specifically adopts the working principle of a dial indicator, and utilizes a microscope to carry out indication error detection on discontinuous scales of a standard steel tape and a steel tape to be detected.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "upper", "lower", "front", "rear", "left", "right", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operation, and should not be construed as limiting the specific scope of the present invention.
Referring to fig. 1 to 5, specific structures of embodiments of the present invention are shown.
A steel tape verification platform comprises a detection platform 10, a clamping mechanism 20 arranged at one end of the detection platform 10 and a sliding block 30 arranged on the detection platform 10, wherein the clamping mechanism 20 clamps a first steel tape and a second steel tape which are respectively a standard steel tape and a steel tape to be detected; the slide block 30 is provided with a dial indicator 40 and a microscope 50, the slide block 30 is provided with a fixing mechanism, a sleeve 42 of the dial indicator 40 is connected with the fixing mechanism, and a support rod 51 of the microscope 50 is arranged at the lower end of the fixing mechanism; the end of the supporting rod 51 is an upward convex structure, and the end of the supporting rod 51 is arranged at the front end of the measuring head 44 of the dial indicator 40;
when the end part of the supporting rod 51 is pushed, the microscope 50 moves backwards, the end part of the supporting rod 51 is abutted against the measuring head 44 of the dial indicator 40, the measuring head 44 of the dial indicator 40 is linked with the measuring rod 43 of the dial indicator 40 to move backwards, and the dial 41 of the dial indicator 40 displays a moving numerical value.
Fig. 1 shows a perspective view of the present invention. In this embodiment, the inspection table 10 includes a slide rail 11 and rollers 12 spaced apart from each other on the slide rail 11. The first steel tape and the second steel tape are respectively arranged at two sides of the sliding rail 11, and the first steel tape and the second steel tape are arranged at the upper end of the roller 12, so that the first steel tape and the second steel tape can be conveniently moved and adjusted on the detection table 10. Preferably, a plurality of supporting seats 13 are arranged at the lower end of the detection table 10 at intervals, and the supporting seats 13 are arranged at the same height. One ends of the first steel tape and the second steel tape are clamped and fixed by the clamping mechanism 20, and the other ends of the first steel tape and the second steel tape naturally hang down under the action of gravity, so that: one ends of the first steel tape and the second steel tape are horizontally laid on the detection platform 10 in parallel. Preferably, the length of the detection platform 10 is set to be more than 3 meters.
Fig. 2 and 3 are perspective views showing a clamping mechanism of the present invention and partially exploded perspective views of the clamping mechanism. In this embodiment, the clamping mechanism 20 is disposed at the rear end of the inspection station 10. The clamping mechanism 20 comprises a first clamping mechanism 20a and a second clamping mechanism 20b, so as to clamp and fix the first steel tape and the second steel tape respectively. The upper end of the clamping mechanism 20 is respectively provided with a first screw 21 and a movable block 22 for clamping and adjusting a first steel tape and a second steel tape, the first screw 21 downwards passes through a first through hole on the movable block 22, the lower end of the first screw 21 is in threaded connection with an internal threaded hole of a clamping seat 201, and the movable block 22 is provided with a positioning column 202 which is convexly arranged in the direction; when the first screw 21 is rotated in the forward direction, the movable block 22 correspondingly descends, and the positioning column 202 displaces towards the clamping seat 201; when the first screw 21 is rotated in the opposite direction, the movable block 22 rises along with the first screw 21, and the positioning post 202 is upwardly away from the clamping seat 201. Specifically, in the first clamping mechanism 20a, the head end of the first steel tape is installed in the first clamping mechanism 20a, the hook of the first steel tape is clamped at the front end of the movable block 22, and the first steel tape is clamped and adjusted on the first clamping mechanism 20a through the first screw 21; accordingly, in the second clamping mechanism 20b, the head end of the second steel tape is installed in the second clamping mechanism 20b, the hook of the second steel tape is clamped at the front end of the movable block 22, and the first screw 21 is used for clamping and adjusting the second steel tape on the second clamping mechanism 20 b.
In addition, the rear end of the clamping mechanism 20 is further provided with a second screw 23 to adjust the front/rear positions of the first steel tape and the second steel tape, so as to ensure that the initial scales of the first steel tape and the second steel tape are aligned up and down. By rotating the second screw 23, the first clamping mechanism 20a and the second clamping mechanism 20b are respectively controlled to move forwards and backwards, so that the first steel tape and the second steel tape are respectively controlled and adjusted to move forwards and backwards, and the front and back alignment of the initial scales of the first steel tape and the second steel tape is ensured. The second screw 23 horizontally passes through the second through hole on the first base 203, the second screw 23 is in threaded connection with the internal threaded hole of the clamping seat 201, a front-back direction guide rail 204 is arranged on the first base 203, and the clamping seat 201 is arranged in a slidable manner along the front-back direction guide rail 204. When the second screw 23 is rotated in the forward direction, the clamping seat 201 translates forward; when the second screw 23 is rotated in the reverse direction, the holder 201 is translated backward. The outer side of the clamping mechanism 20 is further provided with a third screw 24, the third screw 24 transversely penetrates through the clamping mechanism 20, and the left/right positions of the first clamping mechanism 20a and the second clamping mechanism 20b are controlled and adjusted to ensure that the first steel tape and the second steel tape are arranged in parallel side by side along the length extension direction of the detection table 10. The third screw 24 horizontally passes through a third through hole on the second base 205, the third screw 24 is screwed into the internal threaded hole of the first base 203, a left-right direction guide rail 206 is arranged on the second base 205, and the first base 203 is slidably arranged along the left-right direction guide rail 206. When the third screw 24 is rotated in the forward direction, the first base 203 translates leftward; when the third screw 24 is rotated in the reverse direction, the first base 203 is translated rightward.
In general, a rotation handle is provided at the rotation operation ends of the first screw 21, the second screw 23, and the third screw 24 to facilitate the adjustment operation.
Fig. 4 and 5 are a perspective view showing the slider of the present invention and a perspective view showing a partially exploded state of the slider 30. In this embodiment, the slide block 30 is provided with a vertically disposed dial indicator 40 and a vertically disposed microscope 50. A fixing mechanism is arranged on the sliding block 30, the fixing mechanism comprises a first fixing rod 31 transversely arranged on the sliding block 30, and the first fixing rod 31 is connected to a sleeve 42 of the dial indicator 40, so that: the dial indicator 40 is vertically fixed on the slide block 30. A second fixing rod 32 and a third fixing rod 33 are respectively arranged on two sides of the lower end of the first fixing rod 31, the second fixing rod 32 and the third fixing rod 33 are vertically arranged on the sliding block 30, and grooves are formed on the upper end surfaces of the second fixing rod 32, the third fixing rod 33 and the sliding block 30. The supporting rod 51 of the microscope 50 is arranged in the groove; moreover, the end of the strut 51 protrudes upwards to form a linkage block 52; the linkage block 52 is arranged at the front end of the measuring head 44 of the dial indicator 40; the measuring head 44 is disposed at a front end of the first fixing rod 31. The slider 30 is further provided with a limiting block 34 at the front end of the linkage block 52, the limiting block 34 is sleeved on the screw rod 35 in a threaded manner, and the end of the screw rod 35 is connected to the end of the support rod 51.
Specifically, the end of the screw 35 is connected to the link block 52. When the screw rod 35 rotates, the screw rod 35 drives the linkage block 52 to move backwards, the linkage block 52 is abutted against the measuring head 44 of the dial indicator 40, the measuring head 44 of the dial indicator 40 is linked with the measuring rod 43 of the dial indicator 40 to move backwards, a movement numerical value is displayed on the dial 41 of the dial indicator 40, and the movement numerical value is obtained through the dial indicator 40; then, the microscope 50 reads the corresponding scales of the first steel tape and the second steel tape, and the microscope 50 is used for performing visual estimation on the deviation value of the first steel tape and the second steel tape.
The design of the utility model is mainly characterized in that a dial indicator and a microscope are arranged on a sliding block of the steel tape calibrating platform, a fixing mechanism is arranged on the sliding block to connect a sleeve of the dial indicator, a supporting rod of the microscope is arranged at the lower end of the fixing mechanism, the end part of the supporting rod is of an upward convex structure, and the end part of the supporting rod is arranged at the front end of a measuring head of the dial indicator, so that the linkage of the supporting rod and the measuring head of the dial indicator is realized, the reading is compared by combining the moving value of the dial indicator and the microscope, the indicating value error is calibrated, and the reading error of direct vision estimation reading is reduced.
Secondly, the steel tape verification platform is provided with a clamping mechanism, the first steel tape and the second steel tape are clamped and adjusted through the first screw rod, the second screw rod and the third screw rod respectively adjust and position the first steel tape and the second steel tape in the left/right direction and the front/back direction, the first steel tape and the second steel tape are enabled to be placed on the steel tape verification platform in parallel, and verification errors are reduced. The structure is simple, and the operation is convenient.
Claims (5)
1. The utility model provides a steel tape examination platform, is including examining test table, setting up in the fixture who examines test table one end and setting up in the slider on examining test table, fixture includes first fixture, second fixture, its characterized in that: the slide block is provided with a dial indicator and a microscope, the slide block is provided with a fixing mechanism, a sleeve of the dial indicator is connected with the fixing mechanism, and a support rod of the microscope is arranged at the lower end of the fixing mechanism; the end part of the supporting rod is of an upward convex structure, and the end part of the supporting rod is arranged at the front end of a measuring head of the dial indicator;
when the end part of the supporting rod is pushed, the microscope moves backwards, the end part of the supporting rod abuts against a measuring head of the dial indicator, the measuring head of the dial indicator is linked with a measuring rod of the dial indicator to move backwards, and a moving numerical value is displayed on a dial plate of the dial indicator.
2. A steel tape certification stand according to claim 1, wherein: the detection table comprises a slide rail and rollers arranged on the slide rail at intervals.
3. A steel tape certification stand according to claim 1 wherein: the interval type of the lower end of the detection table is provided with a plurality of supporting seats, and the supporting seats are arranged at the same height.
4. A steel tape certification stand according to claim 1, wherein: the upper ends of the first clamping mechanism and the second clamping mechanism are respectively provided with a first screw and a movable block so as to be used for clamping and adjusting the first steel tape and the second steel tape; the rear ends of the first clamping mechanism and the second clamping mechanism are respectively provided with a second screw rod for adjusting the first steel tape and the second steel tape forwards/backwards; and third screw rods are arranged on the outer sides of the first clamping mechanism and the second clamping mechanism respectively and used for carrying out left/right adjustment on the first steel tape and the second steel tape.
5. A steel tape certification stand according to claim 1, wherein: the microscope and the dial indicator are respectively vertically placed on the sliding block; the fixing mechanism comprises a first fixing rod transversely arranged on the sliding block, and the first fixing rod is connected to the sleeve of the dial indicator;
a second fixing rod and a third fixing rod are respectively arranged on two sides of the lower end of the first fixing rod, the second fixing rod and the third fixing rod are vertically arranged on the sliding block, and grooves are formed in the upper end surfaces of the second fixing rod, the third fixing rod and the sliding block; the supporting rod of the microscope is arranged in the groove;
the end part of the support rod protrudes upwards to form a linkage block; the linkage block is arranged at the front end of a measuring head of the dial indicator; the measuring head of the dial indicator is arranged at the front end of the first fixing rod; the slider still is provided with the stopper in the front end of linkage piece, the stopper screw thread cup joints in the lead screw, and, the tip of lead screw is connected in linkage piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122552204.4U CN216523481U (en) | 2021-10-22 | 2021-10-22 | Steel tape verification platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122552204.4U CN216523481U (en) | 2021-10-22 | 2021-10-22 | Steel tape verification platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216523481U true CN216523481U (en) | 2022-05-13 |
Family
ID=81524186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122552204.4U Active CN216523481U (en) | 2021-10-22 | 2021-10-22 | Steel tape verification platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216523481U (en) |
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2021
- 2021-10-22 CN CN202122552204.4U patent/CN216523481U/en active Active
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