CN219934844U - Automatic telescopic measuring instrument - Google Patents
Automatic telescopic measuring instrument Download PDFInfo
- Publication number
- CN219934844U CN219934844U CN202321225017.8U CN202321225017U CN219934844U CN 219934844 U CN219934844 U CN 219934844U CN 202321225017 U CN202321225017 U CN 202321225017U CN 219934844 U CN219934844 U CN 219934844U
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- Prior art keywords
- ruler
- telescopic
- measuring instrument
- expansion
- scale
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- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the field of measuring tools, in particular to an automatic telescopic measuring instrument. The automatic telescopic measuring instrument comprises a fixed seat, an expansion ruler is assembled on the fixed seat in a guiding way, an indication scale is arranged at the front part of the expansion ruler, an elastic piece for driving the expansion ruler to extend is arranged between the tail end of the expansion ruler and the fixed seat, and a jacking head for jacking contact surfaces such as pier heads and the like and movably matched with the front end of the expansion ruler is arranged. The utility model is created for development type utility model. Can realize through the fixing base with corresponding settlement device's fixed connection, make the fixing base along pier nose vertical descent/rise and with pier nose direction cooperation, this in-process is under the effect of elastic component through the telescopic ruler, its top pressure head continuously pushes up the surface of pier nose, pier nose size's change will be direct through the change reaction of the instruction scale of telescopic ruler, can acquire the pier nose through the scale of camera reading telescopic ruler under water and measure the size between the reference device under water to the hydraulic building problem of measuring under water has been solved.
Description
Technical Field
The utility model relates to the field of measuring tools, in particular to an automatic telescopic measuring instrument.
Background
When a hydraulic building is maintained, modified or expanded, the original structure of the hydraulic building needs to be measured, for example, pier head measurement. Because the large hydraulic engineering has larger influence on the surface, if the water is cut off, the large economic loss is brought, and more negative influence is brought to the social life. The measurement of a hydraulic building therefore needs to be performed under water.
Disclosure of Invention
The utility model aims to provide an automatic telescopic measuring instrument for solving the problem of underwater measurement of hydraulic buildings.
In order to solve the problems, the automatic telescopic measuring instrument adopts the following technical scheme: the automatic telescopic measuring instrument comprises a fixed seat, an expansion ruler is assembled on the fixed seat in a guiding way, an indication scale is arranged at the front part of the expansion ruler, an elastic piece for driving the expansion ruler to extend is arranged between the tail end of the expansion ruler and the fixed seat, and a jacking head for jacking and movably matching with a pier head contact surface is arranged at the front end of the expansion ruler.
The beneficial effects are that: the utility model is created for development type utility model. Can realize through the fixing base with corresponding settlement device's fixed connection, make the fixing base along pier nose vertical descent and with pier nose direction cooperation, this in-process is under the effect of elastic component through the telescopic ruler, its roof pressure head continuously pushes up the surface of pier nose, pier nose size's change will be direct through the change reaction of the instruction scale of telescopic ruler, can acquire the pier nose through the scale of camera reading telescopic ruler under water and measure the size between the reference device under water to hydraulic building under water measuring problem has been solved.
Further, the telescopic ruler is a bar-shaped telescopic ruler. The bar-shaped measuring ruler has higher strength on one hand, and can be provided with indication scales on multiple faces on the other hand, so that numerical values can be conveniently read from multiple angles.
Still further, the indicating scale includes a main scale and a sub-scale, the main scale extending along a circumference of the telescopic ruler. When the main scale extends along the circumference of the telescopic ruler, a larger readable surface is provided, and reading is convenient.
Further, the main scale extends along the circumference of the telescopic ruler and forms a closed structure. The main scale of the closed structure can realize the reading of any circumferential position of the telescopic ruler, and the reading is more convenient.
Further, the telescopic ruler is provided with scale values at least at two positions around the circumference. The arrangement of a plurality of scale values is also used for improving the convenience of reading.
Further, the top pressure head is a spherical top pressure head. The spherical jacking head can form a smooth matching surface, so that clamping stagnation between the spherical jacking head and the surface of the pier head is avoided.
Furthermore, one of the fixed seat and the telescopic ruler is provided with a stop block protruding towards the other one, and the other one is provided with a chute which is in limit fit with the stop block to prevent the telescopic ruler from falling off. The stop block and the sliding groove are matched to play a role in preventing the telescopic ruler from falling out and losing.
Furthermore, the stop block is arranged on the fixed seat and is composed of a screw member arranged on the fixed seat. The stop block formed by the screw member has the advantages of simple structure and convenient arrangement.
Further, the fixing seat is a steel sleeve fixing seat. The steel bushing fixing seat has the advantages of simple structure, small volume and convenient arrangement.
Further, the cross section shape of the telescopic ruler is round. The expansion ruler with the circular cross section has the advantage of convenient processing.
Drawings
FIG. 1 is a schematic view of the structure of an embodiment 1 of the automatic telescopic measuring apparatus of the present utility model;
FIG. 2 is a schematic view showing the use state of embodiment 1 of the automatic telescopic measuring apparatus of the present utility model;
fig. 3 is a schematic structural view of embodiment 2 of the automatic telescopic measuring apparatus of the present utility model.
In the figure: 1. a fixing seat; 2. an expansion ruler; 21. a pressing head; 3. a sedimentation device; 4. an elastic member; 5. a stop block; 6. a camera is provided.
Detailed Description
Example 1 of the automatic telescopic measuring apparatus of the present utility model:
as shown in fig. 1, the main components of the automatic telescopic measuring instrument are a fixed seat 1 and a telescopic ruler 2.
The fixing seat 1 is used as a base of the automatic telescopic measuring instrument, and two functions are realized, one is that the automatic measuring instrument is fixed on the corresponding sedimentation device 3, so that the automatic telescopic measuring instrument can sink/rise along with the sedimentation device 3 and keep the relative horizontal position with the pier head through the cooperation of the sedimentation device 3 and the pier head; and secondly, the value of the telescopic ruler 2 is displayed as a mounting base and a reading reference of the telescopic ruler 2.
In the present embodiment, the fixing base 1 is a steel sleeve fixing base, in other words, the fixing base 1 is made of a steel sleeve. The tail end of the steel sleeve fixing seat is of a closed structure, and the front end of the steel sleeve fixing seat is of an opening structure. The end face of the front end of the telescopic ruler forms a reference for reading of the telescopic ruler 2. The steel sleeve fixing seat has the advantages of simple structure and easiness in processing.
The telescopic ruler 2 is a straight ruler, and is arranged in the fixed seat 1 through the tail end and is in guiding fit with the fixed seat 1. An indication scale is provided on one side of the body of the telescopic ruler 2, and in this embodiment, the minimum unit of the indication scale is mm, specifically, the indication scale is divided into a main scale (cm) and a division scale (mm). In addition, the front end of the telescopic ruler 2 is provided with a pressing head 21, and the pressing head 21 is used for pressing and movably matching with the outer surface of the pier head. In this embodiment, the expansion ruler 2 is a rod expansion ruler, the cross section of which is circular, the top pressing head 21 is a ball head structure, and when in use, the top pressing head 21 can be in sliding fit with the outer surface of the pier head.
An elastic piece 4 is arranged between the tail end of the telescopic ruler 2 and the fixed seat 1 in a propping way, and the elastic piece 4 is used for driving the telescopic ruler 2 to extend out of the fixed seat 1. In the present embodiment, the elastic member 4 is specifically a coil spring. In order to prevent the telescopic ruler 2 from being separated from the fixed seat 1. In this embodiment, the fixing base 1 is provided with a stop block 5 protruding towards the telescopic ruler, wherein the stop block 5 is specifically formed by a screw member mounted on the wall of the fixing base 1. The telescopic ruler 2 is provided with a chute corresponding to the stop block, and the tail end of the chute does not penetrate through the rear end face of the telescopic ruler 2.
As shown in fig. 2, when the automatic telescopic measuring apparatus of the present utility model is used to measure the pier head, the pier head can be fixedly mounted on the settling device 3 through the fixing seat 1, and the camera 6 for reading is arranged on the settling device 3. The settlement device 3 can vertically move downwards along the pier head under the action of gravity or external force to sink into water, the top pressure head 21 of the expansion ruler 2 faces the inner side of the settlement device 3, in the sinking process of the settlement device 3, the elastic piece 4 rebounds to drive the top pressure head 21 of the expansion ruler 2 to tightly prop against the outer surface of the pier head, when the pier head size changes, the expansion ruler 2 stretches and contracts relative to the fixed seat 1, the numerical value of the expansion ruler is read in real time through the camera 6 at the moment, then the size of the sinking device is combined, the size of the corresponding position of the pier head can be obtained through conversion, and underwater measurement of the pier head is realized.
Example 2 of the automatic telescopic measuring apparatus of the present utility model:
in embodiment 1 of the automatic telescopic measuring apparatus of the present utility model, the indicating scale is provided only on one side of the telescopic ruler. In this embodiment, as shown in fig. 3, the main graduation of the indication graduation extends along the circumference of the expansion ruler and forms a closed structure, and with this structure, the graduation of the expansion ruler can be conveniently read from different angles.
Example 3 of the automatic telescopic measuring apparatus of the present utility model:
in embodiment 1 of the automatic telescopic measuring apparatus of the present utility model, the indicating scale is provided only on one side of the telescopic ruler. In this embodiment, the indication scale and the numerical value are respectively arranged on the periphery of the telescopic ruler in the circumferential direction, so that the scale of the telescopic ruler can be further conveniently read from different angles.
Example 4 of the automatic telescopic measuring apparatus of the present utility model:
in embodiment 1 of the automatic telescopic measuring apparatus of the present utility model, the telescopic ruler adopts a bar-shaped telescopic ruler, and the cross section thereof is circular. In this embodiment, the telescopic ruler is a bar-shaped telescopic ruler, but the cross section of the bar-shaped telescopic ruler is polygonal.
Example 5 of the automatic telescopic measuring apparatus of the present utility model:
in embodiment 1 of the automatic telescopic measuring apparatus of the present utility model, the telescopic ruler adopts a bar-shaped telescopic ruler, and the cross section thereof is circular. In this embodiment, a flat rule is used as the telescopic rule. It may also play a role in the measurement.
Example 6 of the automatic telescopic measuring apparatus of the present utility model:
in embodiment 1 of the automatic telescopic measuring instrument of the present utility model, a stopper is provided on the fixing base, and a chute is provided on the telescopic ruler. In this embodiment, the positions of the stopper and the chute are interchanged. The sliding groove is formed by a long hole arranged on the wall of the fixed seat.
Example 7 of the automatic telescopic measuring apparatus of the present utility model:
in embodiment 1 of the automatic telescopic measuring apparatus of the present utility model, the fixing base is a steel bushing fixing base. In this embodiment, the outer contour shape of the fixing base is rectangular, and a guide hole for installing the telescopic ruler is formed in the fixing base. Of course, those skilled in the art will appreciate that in other embodiments, the shape of the holder should not be limited, and any shape may be used.
Claims (10)
1. The automatic telescopic measuring instrument is characterized by comprising a fixed seat, wherein an expansion ruler is assembled on the fixed seat in a guiding way, an indication scale is arranged at the front part of the expansion ruler, an elastic piece for driving the expansion ruler to extend out is arranged between the tail end of the expansion ruler and the fixed seat, and a jacking head for jacking with a pier head contact surface and movably matching is arranged at the front end of the expansion ruler.
2. The automatic telescopic measuring instrument according to claim 1, wherein the telescopic ruler is a rod-shaped telescopic ruler.
3. The automatic telescopic measuring instrument according to claim 2, wherein the indication scale includes a main scale and a sub scale, the main scale extending along a circumference of the telescopic ruler.
4. The automatic telescopic measuring instrument according to claim 3, wherein the main scale extends along the circumference of the telescopic ruler and forms a closed structure.
5. The automatic telescopic instrument according to any of claims 2-4, wherein the telescopic ruler is provided with scale values at least at two places around the circumference.
6. The automated telescopic measurement instrument of any one of claims 2-4, wherein the ram is a spherical ram.
7. The automatic telescopic measuring instrument according to any one of claims 1 to 4, wherein one of the fixed seat and the telescopic ruler is provided with a stop block protruding towards the other, and the other is provided with a chute which is in limit fit with the stop block so as to prevent the telescopic ruler from falling out.
8. The automatic telescopic measuring instrument according to claim 7, wherein the stop block is provided on the fixed base and is constituted by a screw member mounted on the fixed base.
9. The automatic telescopic measurement instrument of any one of claims 1-4, wherein the holder is a steel bushing holder.
10. The automated telescopic measurement instrument of any of claims 2-4, wherein the cross-sectional shape of the telescopic ruler is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321225017.8U CN219934844U (en) | 2023-05-19 | 2023-05-19 | Automatic telescopic measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321225017.8U CN219934844U (en) | 2023-05-19 | 2023-05-19 | Automatic telescopic measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219934844U true CN219934844U (en) | 2023-10-31 |
Family
ID=88499484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321225017.8U Active CN219934844U (en) | 2023-05-19 | 2023-05-19 | Automatic telescopic measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219934844U (en) |
-
2023
- 2023-05-19 CN CN202321225017.8U patent/CN219934844U/en active Active
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