CN209783474U - Adjustable height measuring device - Google Patents
Adjustable height measuring device Download PDFInfo
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- CN209783474U CN209783474U CN201920828343.5U CN201920828343U CN209783474U CN 209783474 U CN209783474 U CN 209783474U CN 201920828343 U CN201920828343 U CN 201920828343U CN 209783474 U CN209783474 U CN 209783474U
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- adjustable height
- measuring
- height measuring
- displacement
- measuring device
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a height measurement device with adjustable, include: the platform is used for placing a measured object; the pole column is vertically fixed on the platform; the displacement recording device is arranged on the rod column in a sliding mode and is used for recording displacement on the rod column; the clamp is connected to the displacement recording device; the cross rod is detachably connected with the clamp and extends towards the direction far away from the clamp; amesdial and measuring needle, amesdial can be dismantled and connect in the horizontal pole, and measuring needle and amesdial linkage, and measuring needle and amesdial can be dismantled and be connected. The utility model discloses can avoid feeling the error that the difference caused because of operating personnel, and need not use valuable devices such as grating chi, reduce the cost of device. Meanwhile, the measuring range of the horizontal direction is effectively enlarged by the cross rod, the limitation of measuring in the depth direction is avoided, and the measuring requirements of various irregular jigs are met.
Description
Technical Field
The utility model relates to a height measurement device with adjustable.
Background
At present, high-precision inch measuring instruments mainly comprise high-precision grating devices, guide rail measuring rod devices, high-speed sampling devices and the like. However, the higher the measurement accuracy requirement, the higher the cost of the instrument, and the measurement accuracy error is larger due to the multiple influences of the measurement environment, personnel and other factors.
For example, chinese patent CN201220054322.0 discloses a limit height measuring device, which comprises a measuring base and a height rod, wherein the measuring base and the height rod have length scales, the measuring base has a slot for accommodating the height rod to slide up and down, the side of the measuring base has a fixing hole for fastening a screw, the fixing hole is communicated with the slot, and the height rod is installed in the slot and fixed by the fastening screw. Although the existing document solves the problem of overhigh instrument cost, the measurement is difficult to achieve higher precision due to the difference of the hardness of different measured objects and the difference of hand feeling of different operators.
In addition, the existing height measuring instrument cannot be flexibly applied to different scenes. For example, for some products with the part to be measured far away from the outer contour, the measuring part of the existing instrument cannot reach. For some products with larger or smaller depths, the existing instruments cannot measure either.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that it is high with high costs, the precision is not enough in order to overcome among the prior art high measuring instrument, and the unable adaptation provides a height measuring device with adjustable in the defect of extensive application scene.
the utility model discloses an above-mentioned technical problem is solved through following technical scheme:
An adjustable height measuring device, comprising:
the platform is used for placing a measured object;
a post secured vertically to the platform;
The displacement recording device is arranged on the rod column in a sliding mode and is used for recording displacement on the rod column;
A clamp connected to the displacement recording device;
The cross rod is detachably connected with the clamp and extends towards the direction far away from the clamp;
The dial indicator is detachably connected to the cross rod, the measuring needle is linked with the dial indicator, and the measuring needle is detachably connected with the dial indicator.
The displacement recording means record the distance the displacement recording means itself has traveled on the mast. The dial indicator can measure the pressure between the measured object and the measuring needle through the measuring needle, an operator can observe the reading of the dial indicator at the zero return position and the reading of the measuring needle when the measuring needle is pressed on the measured object, and if the readings are the same, the reading of the displacement recording device on the occasion is taken. Thus, errors caused by different handfeels of operators can be avoided.
The dial indicator can be detachably connected to the cross rod, so that the dial indicators with different accuracies can be adopted to meet the occasions with different accuracy measurement requirements.
in this scheme, the measuring range of horizontal direction has effectually been enlarged to the horizontal pole. Meanwhile, the dial indicator is detachably connected to the cross rod, and the cross rod is detachably connected with the clamp, so that the cross rod can be replaced. According to different application occasions, the cross rods with different lengths are selected, so that the dial indicator and the measuring needle can be guaranteed to reach the measuring position all the time.
Simultaneously, in this scheme, amesdial and measurement needle also are for dismantling the connection, consequently in the application occasion of the product of the different degree of depth of carrying on, select the measurement needle of different length, can guarantee that the top of measuring the needle can reach the measuring position all the time.
According to the scheme, the measuring precision is improved, the limitation of measuring in the depth direction is avoided, and the measuring requirements of various irregular jigs are met.
preferably, the measuring needle is connected with the dial indicator through threads.
Preferably, said adjustable height measuring means comprises two said posts and a base fixed to said platform, wherein,
The base is provided with a through hole matched with the shape of the pole;
the posts are arranged in parallel and inserted into the through holes to be fixed to the platform.
the arrangement of the two poles can enable the structure between the clamp and the poles to be more stable.
Preferably, a rack is arranged on the rod column, and a gear meshed with the rack is arranged on the displacement recording device. The rack is meshed with the gear, so that on one hand, the displacement recording device and the rod column can form a stable structure mutually, and on the other hand, signals of the rotation quantity of the gear can be read by the displacement recording device in a sensor mode and the like.
Preferably, a hand wheel is arranged on the displacement recording device, the hand wheel is directly or indirectly connected to the gear, and the hand wheel is used for controlling the rotation of the gear.
Preferably, the displacement recording device is further provided with a stop mechanism, and the stop mechanism is used for directly or indirectly clamping the gear, so that the gear cannot rotate.
Preferably, the handwheel comprises a rough adjusting handwheel and a fine adjusting handwheel, and the transmission ratio of the rough adjusting handwheel to the rack is larger than that of the fine adjusting handwheel to the rack. The fine adjustment hand wheel and the coarse adjustment hand wheel can deal with different height adjustment modes. When the height is initially adjusted, the displacement recording device can be quickly moved to the approximate position by driving a large rough adjusting hand wheel. And then, a small fine adjustment hand wheel is driven to provide a smaller movement relative to the rack during rotation, so that the height can be accurately adjusted.
Preferably, a display and a control panel are arranged on the displacement recording device, and a reset key for resetting the displacement data is arranged on the control panel.
preferably, the dial indicator is a pointer type dial indicator.
Preferably, the displacement recording device further comprises a sensor for measuring the rotation amount of the gear. The sensor may be a magnetic sensor or the like, and measures the absolute rotation angle amount of the gear.
The utility model discloses an actively advance the effect and lie in: the utility model discloses can avoid feeling the error that the difference caused because of operating personnel, and need not use valuable devices such as grating chi, reduce the cost of device. Meanwhile, the measuring range of the horizontal direction is effectively enlarged by the cross rod, the limitation of measuring in the depth direction is avoided, and the measuring requirements of various irregular jigs are met.
Drawings
Fig. 1 is a schematic structural view of an adjustable height measuring device according to a preferred embodiment of the present invention.
Fig. 2 is a schematic back structural diagram of a displacement recording device according to a preferred embodiment of the present invention.
Fig. 3 is a schematic front view of a displacement recording device according to a preferred embodiment of the present invention.
fig. 4 is a schematic side view of a displacement recording device according to a preferred embodiment of the present invention.
Detailed Description
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1-4, the present embodiment discloses an adjustable height measuring device, which includes a platform 8, a post 6, a displacement recording device 1, a clamp 2, a cross bar 3, a dial indicator 4, and a measuring needle 5.
as shown in fig. 1, the platform 8 is used for placing an object to be measured; the pole 6 is vertically fixed on the platform 8; the displacement recording device 1 is arranged on the rod column 6 in a sliding mode, and the displacement recording device 1 is used for recording displacement on the rod column 6; the gripper 2 is connected to the displacement recording device 1.
as shown in fig. 2, 3 and 4, the crossbar 3 is detachably connected to the jig 2, and the crossbar 3 extends in a direction away from the jig 2.
this embodiment includes amesdial 4 and measurement needle 5, and amesdial 4 can be dismantled and connect in horizontal pole 3, and measurement needle 5 links with amesdial 4, and measurement needle 5 can be dismantled with amesdial 4 and be connected.
The displacement recording device 1 records the distance the displacement recording device 1 itself moves on the stem 6. The dial indicator 4 can measure the pressure between the measured object and the measuring needle 5 through the measuring needle 5, an operator can observe the reading of the dial indicator 4 at the zero return position and the reading of the measuring needle 5 pressed on the measured object, and if the readings are the same, the reading of the displacement recording device 1 on the occasion is taken. Thus, errors caused by different handfeels of operators can be avoided.
The dial indicator 4 is detachably connected to the cross rod 3, so that occasions with different precision measurement requirements can be met by adopting the dial indicators 4 with different precisions. Optionally, the dial indicator 4 is a pointer dial indicator.
in this scheme, the effectual measuring range who enlarges the horizontal direction of horizontal pole 3. Simultaneously, the dial indicator 4 can be detachably connected to the cross rod 3, and the cross rod 3 can be detachably connected with the clamp 2, so that the cross rod 3 can be replaced. Aiming at different application occasions, the cross rods 3 with different lengths are selected, so that the dial indicator 4 and the measuring needle 5 can be ensured to reach the measuring position all the time.
Simultaneously, in this scheme, amesdial 4 also for can dismantle the connection with measurement needle 5, consequently in the application occasion of the product of the different degree of depth of carrying out, select the measurement needle 5 of different length, can guarantee that the top of measuring needle 5 can reach the measuring position all the time.
According to the scheme, the measuring precision is improved, the limitation of measuring in the depth direction is avoided, and the measuring requirements of various irregular jigs are met.
Alternatively, the measuring needle 5 is screwed to the dial indicator 4.
The adjustable height measuring device further comprises two poles 6 and a base 7 fixed to the platform 8, wherein the base 7 is provided with through holes matched with the poles 6 in shape; the posts 6 are arranged in parallel and are inserted into the through holes to be fixed to the platform 8.
The arrangement of two posts 6 makes the structure between the clamp 2 and the posts 6 more stable.
Alternatively, the rod 6 of the present embodiment is provided with a rack, and the displacement recording device 1 is provided with a gear engaged with the rack. The rack is engaged with the gear, so that on one hand, the displacement recording device 1 and the rod column 6 form a stable structure, and on the other hand, signals of the rotation amount of the gear can be read by the displacement recording device 1 in a sensor mode and the like.
In order to match the gear, a hand wheel is arranged on the displacement recording device 1, which is directly or indirectly connected to the gear and is used to control the rotation of the gear.
As shown in fig. 2, 3 and 4, the handwheel specifically comprises a rough adjusting handwheel 10 and a fine adjusting handwheel 11, and the transmission ratio of the rough adjusting handwheel 10 to the rack is larger than that of the fine adjusting handwheel 11 to the rack. The fine adjustment hand wheel 11 and the coarse adjustment hand wheel 10 can be used for different height adjustment modes. During the initial height adjustment, the displacement recording device 1 can be moved quickly to the approximate position by driving the relatively large coarse adjusting hand wheel 10. Then, by driving a relatively small fine adjustment hand wheel 11, a smaller movement relative to the rack is provided when the fine adjustment hand wheel is rotated, so that the height can be accurately adjusted.
Optionally, a stop mechanism 15 is further provided on the displacement recording device 1, the stop mechanism 15 being used to directly or indirectly clamp the gear wheel so that the gear wheel cannot rotate.
As shown in fig. 3 and 4, the displacement recording device 1 is provided with a display 12 and a control panel 13, and the control panel 13 is provided with a reset key 14 for clearing displacement data.
optionally, the displacement recording device 1 further comprises a sensor for measuring the rotation of the gear. The sensor may be a magnetic sensor or the like, and measures the absolute rotation angle amount of the gear.
As shown in fig. 1, the lower end surface of the platform 8 is also spirally connected with a plurality of foot pads 9. The level of the platform 8 can be adjusted by rotating the foot pad 9, and the measurement accuracy is improved. The base 7 is contacted with the platform 8 through self gravity, so that the position can be conveniently moved, and the workpiece can be conveniently placed and measured.
To verify the effect of the present embodiment. The inventors conducted the following practical tests.
The random member a performs a plurality of measurements on the gauge, and uses the height measuring device (denoted as device 100) in the present embodiment and the conventional height measuring device (denoted as device 200), respectively, and the measurement data are as follows:
TABLE 1 comparison of measurement errors for Member A
Note: size accuracy of sample gauge +/-0.001 mm
Randomly selecting three members A, B and C to measure the height of the gauge, wherein the measuring instruments are the device 100 and the device 200, and the measuring data are as follows:
TABLE 2 comparison of measurement errors for Member A, B, C
Note: size accuracy of sample gauge +/-0.001 mm
It can be seen from two sets of tests that the repeatability error of the measured data and the data error caused by different measuring personnel can be obviously reduced through the embodiment, and the measuring precision is obviously improved.
The utility model discloses can avoid feeling the error that the difference caused because of operating personnel, and need not use valuable devices such as grating chi, reduce the cost of device. Meanwhile, the measuring range of the horizontal direction is effectively enlarged by the cross rod, the limitation of measuring in the depth direction is avoided, and the measuring requirements of various irregular jigs are met.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. An adjustable height measuring device, comprising:
The platform is used for placing a measured object;
A post secured vertically to the platform;
The displacement recording device is arranged on the rod column in a sliding mode and is used for recording displacement on the rod column;
A clamp connected to the displacement recording device;
The cross rod is detachably connected with the clamp and extends towards the direction far away from the clamp;
The dial indicator is detachably connected to the cross rod, the measuring needle is linked with the dial indicator, and the measuring needle is detachably connected with the dial indicator.
2. The adjustable height measuring device according to claim 1, wherein the measuring tip is threadedly connected to the dial gauge.
3. the adjustable height measuring apparatus of claim 1, wherein said adjustable height measuring apparatus comprises two of said posts and a base secured to said platform,
The base is provided with a through hole matched with the shape of the pole;
The posts are arranged in parallel and inserted into the through holes to be fixed to the platform.
4. The adjustable height measuring device of claim 3, wherein a rack is provided on the post, and a gear engaged with the rack is provided on the displacement recording device.
5. the adjustable height measuring device of claim 4, wherein a hand wheel is provided on the displacement recording device, the hand wheel is directly or indirectly connected to the gear, and the hand wheel is used for controlling the rotation of the gear.
6. An adjustable height measuring device as claimed in claim 5, wherein a stop mechanism is provided on the displacement recording means for directly or indirectly gripping the gear wheel such that the gear wheel cannot rotate.
7. The adjustable height measuring device of claim 5, wherein the handwheel comprises a coarse adjustment handwheel and a fine adjustment handwheel, and wherein the transmission ratio of the coarse adjustment handwheel to the rack is greater than the transmission ratio of the fine adjustment handwheel to the rack.
8. The adjustable height measuring device of claim 1, wherein the displacement recording device is provided with a display and a control panel, and the control panel is provided with a reset key for clearing displacement data.
9. The adjustable height measuring device of any one of claims 1 to 8, wherein the dial indicator is a pointer dial indicator.
10. the adjustable height measuring device of claim 4, wherein said displacement recording means further comprises a sensor for measuring the amount of rotation of said gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828343.5U CN209783474U (en) | 2019-06-03 | 2019-06-03 | Adjustable height measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828343.5U CN209783474U (en) | 2019-06-03 | 2019-06-03 | Adjustable height measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209783474U true CN209783474U (en) | 2019-12-13 |
Family
ID=68788499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920828343.5U Expired - Fee Related CN209783474U (en) | 2019-06-03 | 2019-06-03 | Adjustable height measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209783474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739834A (en) * | 2021-08-23 | 2021-12-03 | 苏州热工研究院有限公司 | Indicator calibrating device |
-
2019
- 2019-06-03 CN CN201920828343.5U patent/CN209783474U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739834A (en) * | 2021-08-23 | 2021-12-03 | 苏州热工研究院有限公司 | Indicator calibrating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 |