CN211926716U - Geological disaster crack measuring device - Google Patents

Geological disaster crack measuring device Download PDF

Info

Publication number
CN211926716U
CN211926716U CN202020590197.XU CN202020590197U CN211926716U CN 211926716 U CN211926716 U CN 211926716U CN 202020590197 U CN202020590197 U CN 202020590197U CN 211926716 U CN211926716 U CN 211926716U
Authority
CN
China
Prior art keywords
measuring scale
adjusting
limiting
block
dipperstick
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020590197.XU
Other languages
Chinese (zh)
Inventor
梁晓东
邱志勇
任沙
李勇
周洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Lianzhi Technology Co Ltd
Original Assignee
Hunan Lianzhi Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Lianzhi Technology Co Ltd filed Critical Hunan Lianzhi Technology Co Ltd
Priority to CN202020590197.XU priority Critical patent/CN211926716U/en
Application granted granted Critical
Publication of CN211926716U publication Critical patent/CN211926716U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The utility model provides a geological disaster crack measuring device, including first dipperstick, second dipperstick, set up perpendicular adjusting device on first dipperstick, set up the level adjusting device on the second dipperstick, an pot head of second dipperstick is located in the first dipperstick. The utility model discloses a perpendicular adjusting device is in order to realize effectively adjusting the height on first dipperstick, second dipperstick and ground to relative position between first dipperstick and the second dipperstick is effectively adjusted through horizontal adjusting device, in order to realize making the condition that ground produced the height unevenness because of factors such as geological disasters, and carry out effective, convenient and accurate measurement to the condition that makes ground crack produce different length or width because of factors such as geological disasters. Compared with the prior art, the utility model, have simple structure, convenient operation, and effectively save characteristics such as operating personnel's working strength.

Description

Geological disaster crack measuring device
Technical Field
The utility model relates to a crack measuring device technical field especially relates to a geological disasters crack measuring device.
Background
Although landslide, collapse and debris flow disasters have strong burst property and great harmfulness, the disasters have obvious precursors before happening, carry out geological disaster group testing and group prevention, the method is an effective method for avoiding personal casualties in China at present, and the simple monitoring method for geological disasters requires low cost, easy installation, easy operation and easy maintenance, mainly comprises a pile burying method, a nail burying method, a marking method, a sticker method, a landslide crack alarm method, a landslide early warning extensometer method and the like, when the cracks of the rear edges of landslide and collapse are obvious, the pile burying method can be adopted, namely, two sides of a crack are respectively embedded with a pile, and the distance between the piles is measured by a steel tape at intervals to know the landslide and collapse deformation process;
the application numbers are: disclosed in CN202836390U a landslide crack measuring device, this a landslide crack measuring device, although this utility model's device when carrying out the landslide crack measurement, on the one hand, can hang through the tape measure, by the independent completion of staff alone, easy and simple to handle, saved the manpower, however, this landslide crack measuring device has the not accurate enough shortcoming of measured data.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to above-mentioned problem, provide one kind can be accomplished by a staff independently, and easy operation, reliable a geological disaster crack measuring device.
In order to achieve the purpose, the utility model provides a geological disaster crack measuring device, which comprises a first measuring scale, a second measuring scale, a vertical adjusting device arranged on the first measuring scale and a horizontal adjusting device arranged on the second measuring scale, wherein the first measuring scale is provided with a chute which is communicated with one end of the first measuring scale; in the spout of first dipperstick is located to the pot head of second dipperstick, adjust the relative position between second dipperstick and the first dipperstick through level adjustment device to the realization is measured the fissured width of geological disasters.
The first measuring scale further comprises a connecting block and a first supporting column, wherein the connecting block is arranged at one end of the first measuring scale and extends towards one side; the first support column is arranged at the other end of the first measuring scale and extends downwards;
preferably, the first support column is further provided with a second limit groove and a sliding block vertically arranged in the second limit groove, and the sliding block is connected with the horizontal adjusting device.
The second measuring scale also comprises a second supporting column, and the second supporting column is arranged at one end of the second measuring scale and extends downwards;
preferably, a handle is further arranged on the second supporting column.
The vertical adjusting device comprises a fixed pile which is arranged on the connecting block in a penetrating mode, a second limiting hole group which is vertically arranged on the fixed pile in parallel, and a first adjusting clamping block which is clamped in the second limiting hole group and used for adjusting the relative position between the connecting block and the fixed pile;
preferably, the second limit hole group consists of a plurality of limit holes which are vertically arranged in parallel.
As a further aspect of the present invention: the vertical adjusting device further comprises a vertical through hole and a horizontal through hole which are arranged on the connecting block, the fixing pile is installed in the vertical through hole, and the first adjusting fixture block is installed in the horizontal through hole and extends into the second limiting hole group.
As a further aspect of the present invention: the first adjusting fixture block is sleeved with a first spring, and the first spring is arranged between the first adjusting fixture block and the connecting block;
preferably, in order to limit the first spring conveniently, the first adjusting clamping block is arranged in a T-shaped structure.
The horizontal adjusting device comprises a sliding chute arranged on the first measuring scale, a first limiting groove arranged above the sliding chute, a limiting block arranged on the second measuring scale, a first limiting hole group arranged on the second measuring scale, and a second adjusting fixture block clamped in the first limiting hole group and used for adjusting the relative position between the first measuring scale and the second measuring scale;
preferably, the first limiting groove is of a rectangular structure, the bottom of the first limiting groove is communicated with the sliding groove, and the first limiting groove limits the moving range of the limiting block through two side faces;
preferably, the limiting block is movably arranged in the first limiting groove, so that the second measuring scale can guide and limit when running in the sliding groove of the first measuring scale;
preferably, the first limiting hole group is composed of a plurality of limiting holes which are horizontally arranged in parallel, and the second adjusting fixture block is clamped in the limiting holes at different positions of the first limiting hole group so as to adjust different positions of the second measuring scale relative to the first measuring scale.
As a further aspect of the present invention: the second adjusting clamping groove is of an L-shaped structure, a vertical edge of the second adjusting clamping groove extends into a limiting hole of the first limiting hole group through the first mounting through hole, a horizontal edge of the second adjusting clamping groove is connected with the sliding block of the first supporting column to guide the sliding block, and the second adjusting clamping groove on the first supporting column limits the moving range.
As a further aspect of the present invention: the second adjusting fixture block further comprises a pull ring which is arranged on the horizontal edge and is convenient for an operator to adjust the second adjusting fixture block by pulling the handle ring, one end of the pull ring is connected with the lower surface of the horizontal edge of the second adjusting fixture block, and the other end of the pull ring extends downwards.
As a further aspect of the present invention: the second adjusting fixture block further comprises a limiting shaft arranged on the horizontal edge and used for installing a second spring, one end of the limiting shaft is connected with the upper surface of the horizontal edge of the second adjusting fixture block, and the other end of the limiting shaft extends upwards to enable the second adjusting fixture block to be positioned through the elasticity of the second spring.
As a further aspect of the present invention: in order to facilitate the adjustment of the first adjusting fixture block and the second adjusting fixture block, the geological disaster crack measuring device provided by the utility model further comprises a pull rod, wherein one end of the pull rod is connected with the first adjusting fixture block, and the other end is connected with the second adjusting fixture block through a rotating rod;
preferably, the pull rod is connected with the first adjusting fixture block in a fixed connection mode;
preferably, the pull rod is connected with the second adjusting clamping block in a movable connection mode through a pin shaft, so that the flexibility in the adjusting process of the horizontal adjusting device is realized.
As a further aspect of the present invention: in order to realize that the adjusting device can not be influenced by the length of the rotating rod when being adjusted, the rotating rod can also be arranged as a telescopic piece.
As a further aspect of the present invention: in order to realize that the adjusting device can not be influenced by the length of the rotating rod when adjusting, the rotating rod can also be arranged as an elastic part.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model discloses in first dipperstick is located to establish the cover with the second dipperstick to carry out spacing and slip through the spout, effectively realize promptly accomodating of second dipperstick, guarantee the relative stretching between first dipperstick and the second dipperstick again.
(2) The utility model discloses a structure that one end is fixed, the other end pulls out or pushes away through the handle and contracts, and the operating personnel's of effectively being convenient for operation realizes that its operating personnel can effectively accomplish.
(3) The utility model discloses in to the height, and the flexible length between the dipperstick be equipped with vertical adjusting device and horizontal adjusting device to the realization is at different ground conditions, to the equal effective measurement of different fissured sizes.
(4) The utility model provides an adjusting device all is equipped with the spring, and pulling force through the spring realizes adjusting device's automatic re-setting and spacing.
(5) The utility model provides an adjusting device adopts regulation fixture block and spacing groove to cooperate to effectively fix a position adjusting device.
(6) The utility model discloses in still be equipped with the pull rod that is used for connecting vertical adjusting device and horizontal adjusting device, realize when operating personnel is in measuring device's arbitrary one end through the pull rod, need not to make a round trip to run and can realize effectively having saved operating personnel's working strength to vertical adjusting device or/and horizontal adjusting device's regulation.
(7) Compared with the prior art, have simple structure, convenient operation, and operating personnel can come the length of the adjustment second dipperstick of freedom according to fissured width and conveniently measure, can carry out altitude mixture control to the dipperstick according to the circumstances of ground height unevenness and make it guarantee to measure under the horizontal straight line shape attitude and obtain the advantage that improves greatly in order to guarantee that the data precision of measuring out.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic front view of the overall structure of the present invention;
fig. 2 is an enlarged schematic view of a part a of the present invention;
fig. 3 is a schematic enlarged view of part B of the present invention.
Wherein:
1: first dipperstick, 1-1: chute, 1-2: first spacing groove, 1-3: first mounting through hole, 2: a second measuring scale, 2-1: stopper, 2-2: first limit hole group, 3: connecting block, 3-1: vertical through-hole, 3-2: horizontal through hole, 4: fixing piles, 4-1: a second limit hole group, 5: first support column, 5-1: second spacing groove, 6: second support column, 7: first regulation fixture block, 8: first spring, 9: second regulation fixture block, 10: second spring, 11: slider, 12: handle, 13: pull ring, 14: dwang, 15: pull rod, 16: and a limiting shaft.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 to 3, the utility model provides a geological disaster crack measuring device, which comprises a first measuring scale 1, a second measuring scale 2, a vertical adjusting device arranged on the first measuring scale 1, and a horizontal adjusting device arranged on the second measuring scale 2, wherein a chute 1-1 is arranged on the first measuring scale 1, and the chute 1-1 is communicated with one end of the first measuring scale 1; one end of the second measuring scale 2 is sleeved in the sliding groove 1-1 of the first measuring scale 1, and the relative position between the second measuring scale 2 and the first measuring scale 1 is adjusted through the horizontal adjusting device so as to measure the width of the geological disaster crack.
As a further embodiment of the present invention: the first measuring scale 1 further comprises a connecting block 3 and a first supporting column 5, wherein the connecting block 3 is arranged at one end of the first measuring scale 1, extends towards one side and is used for being connected with a vertical adjusting device; the first support column 5 is arranged at the other end of the first measuring scale 1, extends downwards and is used for supporting the first measuring scale 1;
preferably, the first support column 5 is further provided with a second limiting groove 5-1 and a sliding block 11 vertically arranged in the second limiting groove 5-1, and the sliding block 11 is connected with the second adjusting clamping block 9 and used for limiting and guiding the moving range of the second adjusting clamping block 9.
As a further embodiment of the present invention: the second measuring scale 2 further comprises a second support column 6, and the second support column 6 is arranged at one end of the second measuring scale 2, extends downwards and is used for supporting the second measuring scale 2;
preferably, a handle 12 is further provided on the second support column 6, and an operator pulls the handle 12 to pull out or push back the second measuring scale 2 in the chute 1-1 of the first measuring scale 1.
As a further embodiment of the present invention: the vertical adjusting device comprises a fixed pile 4 which penetrates through the connecting block 3, a second limit hole group 4-1 which is vertically arranged on the fixed pile 4 in parallel, and a first adjusting clamping block 7 which is clamped in the second limit hole group 4-1 and used for adjusting the relative position between the connecting block 3 and the fixed pile 4;
preferably, the second limit hole group 4-1 consists of a plurality of limit holes which are vertically arranged in parallel;
preferably, the vertical adjusting device further comprises a vertical through hole 3-1 and a horizontal through hole 3-2 which are arranged on the connecting block 3, the fixing pile 4 is installed in the vertical through hole 3-1, and the first adjusting clamping block 7 is installed in the horizontal through hole 3-2 and extends into the second limit hole group 4-1.
Preferably, the first adjusting fixture block 7 is provided with a T-shaped structure;
preferably, the first spring 8 is sleeved on the first adjusting fixture block 7, one end of the first spring 8 is limited through the end face of the first adjusting fixture block 7, the other end of the first spring is limited through the end face of the connecting block 3, an operator can make the first adjusting fixture block 7 separate from the second limiting hole group 4 by pulling out the first adjusting fixture block 7, and then the first adjusting fixture block 7 is moved up and down through the movable connecting block 3 to adjust the first measuring scale 1 and the second measuring scale 2 to a proper height position and then loosen the first adjusting fixture block 7, so that the first adjusting fixture block 7 is automatically clamped in the second limiting hole group 4 through the elasticity of the first spring 8 to be fixed and limited.
As a further embodiment of the present invention: the horizontal adjusting device comprises a sliding chute 1-1 arranged on the first measuring scale 1, a first limiting groove 1-2 arranged above the sliding chute 1-1, a limiting block 2-1 arranged on the second measuring scale 2, a first limiting hole group 2-2 arranged on the second measuring scale 2, and a second adjusting fixture block 9 clamped in the first limiting hole group 2-2 and used for adjusting the relative position between the first measuring scale 1 and the second measuring scale 2; the first limiting groove 1-2 is of a rectangular structure, the bottom of the first limiting groove is communicated with the sliding groove 1-1, and the first limiting groove is used for limiting the moving range of the limiting block 2-1 through two side faces; the limiting block 2-1 is movably arranged in the first limiting groove 1-2, so that the second measuring scale 2 can guide and limit when running in the sliding groove 1-1 of the first measuring scale 1; the first limit hole group 2-2 consists of a plurality of limit holes which are horizontally arranged in parallel; the second adjusting fixture block 9 is clamped in the limiting holes at different positions of the first limiting hole group 2-2, so that the second measuring scale 2 can be adjusted at different positions relative to the first measuring scale 1.
Preferably, the second adjusting clamping groove 9 is set to be an L-shaped structure, the vertical edge of the second adjusting clamping groove extends into the limiting hole of the first limiting hole group 2-2 after passing through the first mounting through hole 1-3, the horizontal edge of the second adjusting clamping groove is connected with the sliding block 11 of the first supporting column 5 so as to be guided by the sliding block 11, and the second limiting groove 5-1 on the first supporting column 5 limits the moving range.
Preferably, the second adjusting fixture block 9 further comprises a pull ring 13 and a limiting shaft 16, the pull ring 13 is arranged on the horizontal edge, one end of the pull ring 13 is connected with the lower surface of the horizontal edge of the second adjusting fixture block 9, and the other end of the pull ring 13 extends downwards, so that an operator can adjust the second adjusting fixture block 9 by pulling the pull ring 13; one end of the limiting shaft 16 is connected with the upper surface of the second adjusting fixture block 9, and the other end extends upwards to mount the second spring 10, so that the second adjusting fixture block 9 is positioned by the elastic force of the second spring 10.
As a further embodiment of the present invention: in order to facilitate the adjustment of the first adjusting fixture block 7 and the second adjusting fixture block 9, the geological disaster crack measuring device provided by the utility model further comprises a pull rod 15, wherein one end of the pull rod 15 is connected with the first adjusting fixture block 7, and the other end is connected with the second adjusting fixture block 9 through a rotating rod 14;
preferably, the pull rod 15 is connected with the first adjusting fixture block 7 in a fixed connection manner;
preferably, the pull rod 15 and the second adjusting fixture 9 are connected in a movable connection mode through a pin shaft, so that flexibility in the adjusting process of the horizontal adjusting device is realized.
The utility model discloses a working procedure:
1. before measurement, fixing the fixing pile 4 at one end of a crack to be measured;
2. according to the actual condition of the height unevenness of the crack ground, the height positions of the first measuring scale 4 and the ground are adjusted, and the specific adjusting steps are as follows:
A. the first adjusting fixture block 7 is pulled out, so that the first adjusting fixture block 7 is separated from the second limit hole group 4-1;
B. according to the actual situation, the first measuring scale 1 is displaced upwards or downwards on the fixing pile 4;
C. after the first adjusting fixture block 7 is displaced to a reasonable height position, the first adjusting fixture block is loosened to be automatically reset and clamped into a corresponding limiting hole of the second limiting hole group 4-1 through the elasticity of the first spring 8 to be fixed and limited;
3. according to the actual condition of the width or the length of the crack, the relative position between the second measuring scale 2 and the first measuring scale 1 is adjusted, and the specific adjusting steps are as follows:
A. pulling the second adjusting fixture block 9 downwards to separate the second adjusting fixture block 9 from the first limit hole group 2-2;
B. according to the actual situation, the second measuring scale 2 is enabled to slide and displace leftwards or rightwards on the first measuring scale 1 by pulling the handle 12;
C. after the first adjusting fixture block 9 is moved to a reasonable length position, the second adjusting fixture block is loosened, and the second adjusting fixture block is automatically reset and clamped into a corresponding limiting hole of the first limiting hole group 2-2 through the elasticity of a second spring 10 to be fixed and limited;
4. reading the numerical values of the first measuring scale 1 and the second measuring scale 2, and superposing to obtain the numerical value of the width or the length of the crack;
5. after the measurement is completed, the fixing pile 4 is taken out, and the measurement device is stored.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a geological disaster crack measuring device which characterized in that: the device comprises a first measuring scale (1), a second measuring scale (2), a vertical adjusting device arranged on the first measuring scale (1), and a horizontal adjusting device arranged on the second measuring scale (2), wherein one end of the second measuring scale (2) is sleeved in the first measuring scale (1);
the first measuring scale (1) further comprises a connecting block (3), a first supporting column (5) and a sliding chute (1-1), the connecting block (3) is arranged at one end of the first measuring scale (1), the first supporting column (5) is arranged at the other end of the first measuring scale (1) and extends downwards, and the sliding chute (1-1) is arranged in the first measuring scale (1) and used for installing a second measuring scale (2);
the second measuring scale (2) further comprises a second supporting column (6) and a handle (12), the second supporting column (6) is arranged at one end of the second measuring scale (2) and extends downwards, and the handle (12) is arranged on the second supporting column (6);
the vertical adjusting device comprises a fixed pile (4) which penetrates through the connecting block (3), a second limiting hole group (4-1) which is vertically arranged on the fixed pile (4) in parallel, and a first adjusting clamping block (7) which is clamped in the second limiting hole group (4-1) and used for adjusting the relative position between the connecting block (3) and the fixed pile (4);
the horizontal adjusting device comprises a first limiting hole group (2-2) arranged on the second measuring scale (2) and a second adjusting clamping block (9) clamped in the first limiting hole group (2-2) and used for adjusting the relative position between the first measuring scale (1) and the second measuring scale (2).
2. The measurement device of claim 1, wherein: the vertical adjusting device further comprises a vertical through hole (3-1) and a horizontal through hole (3-2) which are arranged on the connecting block (3), the fixing pile (4) is installed in the vertical through hole (3-1), and the first adjusting clamping block (7) is installed in the horizontal through hole (3-2) and extends into the second limiting hole group (4-1).
3. The measurement device of claim 2, wherein: the first adjusting clamping block (7) is of a T-shaped structure, and a first spring (8) is further sleeved on the first adjusting clamping block (7).
4. The measurement device of claim 1, wherein: the horizontal adjusting device further comprises a first limiting groove (1-2) arranged above the sliding groove (1-1) and a limiting block (2-1) arranged on the second measuring scale (2), wherein the limiting block (2-1) is movably arranged in the first limiting groove (1-2) and is used for horizontally sliding in the first limiting groove (1-2).
5. The measurement device of claim 4, wherein: the second adjusting fixture block (9) is of an L-shaped structure, the vertical edge of the second adjusting fixture block is arranged in the first limiting hole group (2-2), and the horizontal edge of the second adjusting fixture block is arranged on the first supporting column (5).
6. The measurement device of claim 5, wherein: the second adjusting clamping block (9) further comprises a pull ring (13) and a limiting shaft (16), wherein the pull ring (13) and the limiting shaft are arranged on the horizontal edge, one end of the pull ring (13) is connected with the lower surface of the horizontal edge of the second adjusting clamping block (9), the other end of the pull ring extends downwards, one end of the limiting shaft (16) is connected with the upper surface of the horizontal edge of the second adjusting clamping block (9), and the other end of the limiting shaft extends upwards.
7. The measurement device of claim 6, wherein: and a second spring (10) is also sleeved on the limiting shaft (16).
8. The measurement device of claim 1, wherein: the first supporting column (5) is further provided with a second limiting groove (5-1) and a sliding block (11) vertically arranged in the second limiting groove (5-1), and the sliding block (11) is connected with the horizontal edge of the second adjusting clamping block (9) and used for limiting and guiding the moving range of the second adjusting clamping block (9).
9. The measurement device according to any one of claims 1 to 8, wherein: still be connected with pull rod (15) on first regulation fixture block (7), the other end of pull rod (15) is connected with dwang (14), dwang (14) are used for being connected with pull ring (13) on second regulation fixture block (9).
10. The measurement device of claim 9, wherein: the rotating rod (14) is arranged as a telescopic piece or an elastic piece.
CN202020590197.XU 2020-04-20 2020-04-20 Geological disaster crack measuring device Active CN211926716U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020590197.XU CN211926716U (en) 2020-04-20 2020-04-20 Geological disaster crack measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020590197.XU CN211926716U (en) 2020-04-20 2020-04-20 Geological disaster crack measuring device

Publications (1)

Publication Number Publication Date
CN211926716U true CN211926716U (en) 2020-11-13

Family

ID=73329360

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020590197.XU Active CN211926716U (en) 2020-04-20 2020-04-20 Geological disaster crack measuring device

Country Status (1)

Country Link
CN (1) CN211926716U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112985224A (en) * 2021-02-25 2021-06-18 广东稳固检测鉴定有限公司 Municipal road crack detection device and detection method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112985224A (en) * 2021-02-25 2021-06-18 广东稳固检测鉴定有限公司 Municipal road crack detection device and detection method

Similar Documents

Publication Publication Date Title
CN211926716U (en) Geological disaster crack measuring device
CN107356308B (en) A kind of real time water level monitoring device for drainage system
CN214276814U (en) Laser test concrete resistance to compression test piece size device
CN210015120U (en) Flow measuring device
CN211655024U (en) Subway station foundation pit contact measurement GPS support
CN213455234U (en) Hydraulic ring ground crack measuring device
CN102243052A (en) Verticality detection apparatus
CN214953532U (en) Concrete quality detection device for building construction supervision
CN213301403U (en) Water level monitoring device for hydraulic engineering
CN213021410U (en) Foundation pit support deformation monitoring device
CN210774310U (en) Height, weight and foot length information acquisition device
CN208653445U (en) Roughness meter
CN210135908U (en) Coal mine area surface mining subsidence monitoring device
CN220300063U (en) Elevator gap inspection device
CN211783236U (en) Portable detector suitable for long distance pipeline external defect inspection
CN217764940U (en) Door plate flatness detection equipment
CN206862235U (en) Assembly type suspension bridge strand installs shape measure device
CN217981799U (en) Integrated rock and ore sample magnetic parameter measuring device
CN219776572U (en) Hash bowl thickness measuring tool
CN216434145U (en) Speed measuring device for water conservancy and hydropower
CN213813166U (en) Cable connection strength detection device
CN219223714U (en) Surface subsidence measuring device
CN211401063U (en) Bridge amount of deflection check out test set
CN219624753U (en) Portable horizontal correction instrument
CN216791473U (en) Sunroof sunshade screen pulling force detects frock

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant