CN210426525U - Static level gauge fixing base device - Google Patents
Static level gauge fixing base device Download PDFInfo
- Publication number
- CN210426525U CN210426525U CN201921938786.6U CN201921938786U CN210426525U CN 210426525 U CN210426525 U CN 210426525U CN 201921938786 U CN201921938786 U CN 201921938786U CN 210426525 U CN210426525 U CN 210426525U
- Authority
- CN
- China
- Prior art keywords
- static level
- lifting
- hemisphere
- floating
- fixing
- 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
Links
Images
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The utility model discloses a static level fixing base device, which comprises a leveling base, a floating hemisphere and a level indicating bubble; liquid is arranged in the first hemispherical shell; the floating hemisphere is arranged in the first hemisphere shell and is arranged on the liquid in a floating mode; a counterweight ball is arranged on the inner wall of the floating hemisphere. In the utility model, the base can keep the leveling base level all the time under the action of the heavy ball and the liquid buoyancy; a static level fixing plate is arranged on the floating hemisphere and used for fixing the static level; the bottommost layer is a lifting base and is used for adjusting the height of the static level gauge, so that the multiple level gauges can be adjusted to the same contour line, and more accurate data can be obtained; a flexible sealing membrane is arranged between the floating hemisphere and the leveling base, so that the liquid in the leveling base is prevented from flowing out, the integrity of the structure is kept, and meanwhile, the rotation of the leveling base is not interfered.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool, concretely relates to hydrostatic level fixed baseplate device.
Background
A hydrostatic level is a precision instrument that measures height differences and changes thereof. The static force level gauge is generally installed on a measuring pier with the same height as a measured object or on the same height line as the wall of the measured object, automatic data acquisition is generally realized through single-computer version acquisition software arranged in a field acquisition box and stored in a field acquisition system, and then the static force level gauge is connected with the internet through wired or wireless communication and further transmitted to background network version software, so that automatic observation is realized.
A plurality of hydrostatic levels need to be guaranteed to be located on the same contour line in measurement, and a fixed base in the prior art has large error and insufficient measurement precision and needs to be improved.
In order to solve the problems, the inventor provides a novel static level fixing base device.
Disclosure of Invention
An object of the utility model is to provide a hydrostatic level fixed base device just in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
static level appearance fixed baseplate device, including the auto leveling module, the auto leveling module includes:
leveling the base; a first hemispherical shell is formed above the inner part of the leveling base; liquid is arranged in the first hemispherical shell;
a floating hemisphere; the floating hemisphere is arranged in the first hemisphere shell and is arranged on the liquid in a floating mode; a counterweight ball is arranged on the inner wall of the floating hemisphere; the diameter of the floating hemisphere is smaller than that of the first hemisphere shell; the static force level gauge is arranged on the floating hemisphere;
level indicating blisters; the level indicating bubble is arranged at the upper part of the floating hemisphere.
Specifically, hydrostatic level fixes base device, still includes the fastening module, and the fastening module includes:
fastening a knob;
rotating the transmission shaft; the fastening knob is connected with one end of the rotating transmission shaft;
rotating the transmission gear; the other end of the rotating transmission shaft is connected with a rotating transmission gear;
a plurality of telescopic shafts; a fixed base is formed inside the floating hemisphere; the rotary transmission shaft and the rotary transmission gear are rotatably arranged in the fixed foundation, and the telescopic shaft is telescopically arranged in the fixed foundation; the telescopic shaft is provided with a rack and is meshed with the rotary transmission gear through the rack;
fastening a support boot; one end of the telescopic shaft penetrates through the floating hemisphere and is connected with a fastening support boot, and the fastening support boot is used for extending out and then is fixed and abutted against the first hemispherical shell.
Specifically, hydrostatic level fixed baseplate device includes the fixed module of hydrostatic level, and the fixed module of hydrostatic level includes:
a static force level fixing plate; a cavity for mounting a static level fixing plate is arranged above the floating hemisphere, and the static level fixing plate is arranged in the cavity for mounting;
a plurality of buckles; the plurality of buckles are arranged on the floating hemisphere and used for buckling the static level fixing plate on the floating hemisphere;
a plurality of fixing bolts; the static level fixing plate is provided with a screw hole, and the plurality of fixing bolts are used for fixing the static level on the static level fixing plate.
Specifically, the static level fixed base device includes the lifting module, and the lifting module includes:
lifting the knob;
lifting the transmission shaft; the lifting knob is connected with one end of the lifting transmission shaft,
a transmission gear; the transmission gear is sleeved on the other end of the lifting transmission shaft;
a transmission gear; the transmission gear is vertically arranged and meshed with the transmission gear;
the upper part of the transmission gear is connected with the leveling base.
Further, the lift module further comprises:
fixing teeth; the fixed teeth are vertically arranged and connected with the transmission teeth,
the latch is fixed in a telescopic way; the telescopic fixed clamping teeth are clamped with the fixed teeth and used for preventing the fixed teeth from descending.
Still further, the lift module further comprises:
lifting the shaft pad; the lifting shaft pad is arranged at the upper ends of the transmission teeth and the fixing teeth and is connected with the leveling base;
a first spring; one end of the first spring is installed on the lifting base, and the other end of the first spring is connected with the lower ends of the transmission gear and the fixing gear.
Preferably, the upper end edge of the first hemispherical shell and the upper end edge of the second hemispherical shell are connected in a closed mode through an annular flexible sealing membrane.
The beneficial effects of the utility model reside in that:
the utility model discloses a static level fixing base device;
1. the base realizes that the leveling base is always kept horizontal under the action of the heavy ball and the liquid buoyancy;
2. the floating hemisphere is provided with a static level fixing plate for fixing different types of static levels;
3. the bottommost layer is a lifting base and is used for adjusting the height of the static level gauge, so that the multiple level gauges can be adjusted to the same contour line, and more accurate data can be obtained;
4. a flexible sealing membrane is arranged between the floating hemisphere and the leveling base, so that the liquid in the leveling base is prevented from flowing out, the integrity of the structure is kept, and meanwhile, the rotation of the leveling base is not interfered.
Drawings
Fig. 1 is a schematic top view of the present invention.
FIG. 2 is a front schematic view of the present invention;
fig. 3 is a left side schematic view of the present invention;
FIG. 4 is a schematic view of the interior of the lifting base of the present invention;
fig. 5 is a top view of the present invention;
fig. 6 is a perspective view of the present invention;
fig. 7 is a schematic structural view of a floating hemisphere according to the present invention;
fig. 8 is a schematic structural view of a fastening module according to the present invention;
figure 9 is a perspective view of the lifting base of the present invention;
figure 10 is a perspective view of the interior of the lifting base of the present invention;
fig. 11 is a schematic view of the matching structure of the middle limit tooth and the limit groove of the present invention.
In the figure, 1-leveling the base; 101-a first hemispherical shell; 2-floating hemisphere; 201-a second hemispherical shell; 3-a flexible sealing film; 4-liquid; 5-a counterweight ball; 6-level indicates blister; 7-static level gauge fixing plate; 8-buckling; 9-fixing the bolt; 10-fastening a knob; 11-a rotating drive shaft; 12-a rotary drive gear; 13-a telescopic shaft; 14-a fastening support boot; 15-lifting the base; 16-lifting the transmission shaft; 17-lifting knob; 18-a lifting groove; 19-lifting the shaft; 20-limit teeth; 21-a limiting groove; 22-telescopic fixed latch; 221-a second spring; 222-a connecting rod; 23-lifting the shaft pad; 24-a gear tooth; 25-fixed teeth; 26-a first spring; 27-transmission gear.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-3, 6; the static level fixing base device comprises an automatic leveling module, a fastening module, a static level fixing module and a lifting module;
as shown in fig. 1-3; the automatic leveling module includes:
leveling a base 1; a first hemispherical shell 101 is formed above the inner part of the leveling base; a liquid 4 is arranged in the first hemispherical shell 101;
a floating hemisphere 2; the floating hemisphere 2 is arranged inside the first hemisphere shell 101 and is arranged on the liquid 4 in a floating mode; a counterweight ball 5 is arranged on the inner wall of the floating hemisphere 2; the diameter of the floating hemisphere 2 is smaller than that of the first hemisphere shell 101; the static force level gauge is arranged on the floating hemisphere 2;
in some embodiments, the liquid 4 is selected to be a high density liquid; saturated saline or carbon tetrachloride liquid or glycerol may be used.
In some embodiments, the counterweight ball 5 is made of a material with a relatively high density, and the vertical center line of the leveling base 1 is always vertical to the ground under the action of gravity, so that the automatic leveling of the device is ensured;
as shown in fig. 1-3, 8; the fastening module includes:
a fastening knob 10;
a rotating transmission shaft 11; the fastening knob 10 is connected with one end of a rotating transmission shaft 11;
a rotation transmission gear 12; the other end of the rotating transmission shaft 11 is connected with a rotating transmission gear 12;
a plurality of telescopic shafts 13; a fixed foundation is formed inside the floating hemisphere 2; the rotary transmission shaft 11 and the rotary transmission gear 12 are both rotatably arranged in the fixed foundation, and the telescopic shaft 13 is telescopically arranged in the fixed foundation; a rack is arranged on the telescopic shaft 13, and the telescopic shaft 13 is meshed with the rotary transmission gear 12 through the rack;
a fastening support shoe 14; one end of the telescopic shaft 13 is disposed through the floating hemisphere 2, and is connected with a fastening support shoe 14, and the fastening support shoe 14 is used for being fixed to abut against the first hemisphere shell 101 after being extended.
The fastening supporting shoe 14 only plays a limiting role, and the part of the fastening supporting shoe, which is in contact with the first hemispherical shell 101, is a frosted surface, so that the friction force is increased;
in some embodiments, the floating hemisphere 2 has a sliding waterproof structure at the portion where the plurality of telescopic shafts 13 extend; can be selected as a stretchable film, the film is annular, the inner side of the film is wrapped on the telescopic shaft, and the outer side of the film is connected to the floating hemisphere 2; the membrane cannot be damaged in the limit stroke of the telescopic shaft;
in some embodiments, instead of a waterproof structure, the liquid 4 directly penetrates into the through hole of the fixed foundation in the floating hemisphere 2 for passing through the telescopic shaft;
when the device works, the fastening knob 10 is rotated in one direction to drive the four transmission shafts 11 to rotate, so that the rotating transmission gear 12 rotates, the telescopic shaft 13 is further driven to extend out of the floating hemisphere 2, and the four fastening support shoes 14 are fixed and tightly abutted to the first hemispherical shell 101; stably supporting the state of the floating hemisphere 2;
in order to prevent the floating hemisphere 2 from varying in attitude when the fastening knob 10 is rotated, the following considerations are made:
the flexible sealing film 3 has a certain limiting function and is used for reducing the shaking of the floating hemisphere 2 in the horizontal direction;
the liquid is high-density liquid, and the provided buoyancy and liquid level tension can effectively limit the movement of the floating hemisphere;
the liquid only plays a role of auxiliary leveling, the liquid mainly plays a role of a gravity ball which is similar to a tumbler and has a lower gravity center, so that the floating hemisphere is not easy to shake;
the sliding distance of the supporting shoe is shorter, the distance between the first hemispherical shell and the second hemispherical shell is shorter, and a high-precision gear and a transmission part are adopted, so that the influence on the liquid level and the hemisphere is smaller during stretching.
As shown in fig. 1-3, 5-7; the static level fixing module comprises:
a static level fixing plate 7; a cavity for installing a static level fixing plate 7 is formed above the floating hemisphere 2, and the static level fixing plate 7 is arranged in the cavity for installation;
a plurality of buckles 8; a plurality of buckles 8 are arranged on the floating hemisphere 2 and used for buckling the static level fixing plate 7 on the floating hemisphere 2;
a plurality of fixing bolts 9; a screw hole is provided on the static level fixing plate 7, and a plurality of fixing bolts 9 are used for fixing the static level on the static level fixing plate 7.
In some embodiments, the fastener 8 includes a connecting rod and a clamping piece, the connecting rod is fixedly installed on the upper surface of the floating hemisphere 2, and the upper surface of the floating hemisphere 2 is flat; the clamping pieces are rotatably arranged on the connecting rod, but the clamping pieces cannot slide up and down on the connecting rod, when the static level fixing plate 7 needs to be clamped, the clamping of the static level fixing plate 7 can be realized by rotating the clamping pieces to the position above the static level fixing plate 7;
in some embodiments there are four snaps 8;
in some embodiments, four fixing bolts 9 are used for fixing the static level, generally, screw holes are formed in the static level fixing plate 7, and when the static level is placed on the static level fixing plate 7, the fixing bolts 9 penetrate through a mounting plate of the static level and are screwed into the static level fixing plate 7, so that the static level can be fixedly mounted after being screwed;
the static force level fixing plate 7 is replaceable to meet the measurement of different types of levels, and the static force level can be replaced by rotating the buckle 8 during replacement;
as shown in fig. 2, 3, 4, 6, 10; the lifting module comprises:
a lifting knob 17;
lifting the transmission shaft 16; a lifting knob 17 is connected to one end of the lifting transmission shaft 16,
a transmission gear 27; the transmission gear 27 is sleeved on the other end of the lifting transmission shaft 16;
the gear teeth 24; the transmission gear 24 is vertically arranged, and the transmission gear 24 is meshed with the transmission gear 27;
the upper part of the transmission gear 24 is connected with the leveling base 1.
When the lifting gear is in work, the lifting knob is rotated to drive the lifting transmission shaft to rotate, the lifting gear is rotated to drive the transmission gear to ascend, and when the lifting gear is ascended to a fixed position, the lifting knob is stopped rotating;
in some embodiments, a lift slot 18 is provided in the lift base 15; the lifting module is arranged in the lifting groove 18;
as shown in fig. 4, 10; the lifting module further comprises:
the fixed teeth 25; the fixed teeth 25 are vertically arranged, the fixed teeth 25 are connected with the transmission teeth 24,
a telescopic fixed latch 22; the telescopic fixing latch 22 engages with the fixing teeth 25 and prevents the fixing teeth 25 from descending.
In some embodiments, the first end of the retractable fixing latch 22 has a tooth-shaped structure for connecting and latching with the fixing tooth 25, the first end of the second spring 221 is connected to the upper portion of the second end of the retractable fixing latch 22, and the second end of the second spring 221 is fixed on the lifting base; the lower part of the second end of the telescopic fixed latch 22 is connected with a connecting rod 222, and the connecting rod 222 extends out of the lifting base; when in use, the fixed teeth 25 are matched with the telescopic fixed latch teeth 22 in tooth form, so that the transmission teeth 24 cannot be locked when moving upwards; when the gear 24 moves upwards, the first end of the telescopic fixed latch 22 retracts under the compression of the second spring 221, so that the gear 24 can move upwards; when the transmission gear 24 needs to move downwards, the connection rod 222 needs to be pulled outwards, so that the second spring 221 compresses the telescopic fixing latch 22 to disengage from the fixing gear 25, and the transmission gear 24 can return to the lowest position.
As shown in fig. 2, 3, 4, 9, 10; the lifting module further comprises:
the shaft pad 23 is lifted; the lifting shaft pad 23 is arranged at the upper ends of the transmission teeth 24 and the fixing teeth 25, and the lifting shaft pad 23 is connected with the leveling base 1;
a first spring 26; one end of the first spring 26 is mounted on the lifting base 15, and the other end of the first spring 26 is connected to the lower ends of the driving teeth 24 and the fixed teeth 25. After the device is used, the telescopic fixing latch is retracted, and the first spring 26 can be retracted to enable the lifting shaft to return to the original position to wait for the next use;
the driving teeth 24 and the fixed teeth 25 form a lifting shaft 19 in the present application;
the retractable fixing latch 22 may be used to limit the downward movement of the fixing teeth, so that the lifting pad is raised and fixed at a designed height.
As shown in fig. 11, in some embodiments, a vertically arranged limiting groove 21 is provided on the side surface of the lifting shaft 19 without the rack, a limiting tooth 20 is provided inside the lifting module, when the lifting shaft 19 moves up and down, the limiting tooth 20 slides in the limiting groove 21, and the matching between the limiting tooth 20 and the limiting groove 21 is used for limiting the left and right swinging of the lifting shaft 19;
as shown in fig. 2; the upper end edge of the first hemispherical shell 101 and the upper end edge of the second hemispherical shell 201 are connected in a sealing manner through an annular flexible sealing film 3. The flexible sealing film 3 is used for preventing the liquid 4 from evaporating and leaking, has elasticity, cannot be in a tight state when being used normally, and ensures that the flexible sealing film does not interfere with the leveling device;
the use method of the static level fixing base device comprises the following steps:
s1, placing the lifting base 15 on a monitoring point designed for the static level gauge;
s2, lifting the leveling base 1 to the designed height by rotating the lifting knob 17;
s3, a standing device automatically levels the floating hemisphere 2, and after leveling is completed, the fastening knob 10 is rotated to enable the fastening support shoes 14 to extend to be closely supported on the first hemisphere shell 101, so that the pose of the floating hemisphere 2 is fixed;
s4, selecting a proper static level fixing plate 7 according to the type of the level;
s5, placing the selected static level fixing plate 7 in a cavity above the floating hemisphere 2, and rotating a plurality of buckles to fix the static level fixing plate 7;
s6, mounting a static level gauge; placing the static level on a static level fixing plate 7, aligning a mounting hole of the static level with a screw hole on the static level fixing plate 7, and then fixing the static level on the static level fixing plate 7 through a plurality of fixing bolts 9;
s7, monitoring;
s8, after the monitoring work is finished, the static level and the static level fixing plate 7 are disassembled;
and S9, loosening the fastening module and lifting the module to wait for the next measurement.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Static level appearance fixed baseplate device, its characterized in that, including the auto leveling module, the auto leveling module includes:
a leveling base (1); a first hemispherical shell (101) is formed above the inner part of the leveling base; a liquid (4) is arranged in the first hemispherical shell (101);
a floating hemisphere (2); the floating hemisphere (2) is arranged in the first hemisphere shell (101) and is arranged on the liquid (4) in a floating mode; a counterweight ball (5) is arranged on the inner wall of the floating hemisphere (2); the diameter of the floating hemisphere (2) is smaller than that of the first hemisphere shell (101); the static force level gauge is arranged on the floating hemisphere (2);
a level indicating blister (6); the level indicating bubble (6) is arranged at the upper part of the floating hemisphere (2).
2. A static level fixing base unit according to claim 1 further comprising a fastening module comprising:
a tightening knob (10);
a rotary drive shaft (11); the fastening knob (10) is connected with one end of the rotating transmission shaft (11);
a rotation transmission gear (12); the other end of the rotary transmission shaft (11) is connected with a rotary transmission gear (12);
a plurality of telescopic shafts (13); a fixed foundation is formed inside the floating hemisphere (2); the rotary transmission shaft (11) and the rotary transmission gear (12) are rotatably arranged in the fixed foundation, and the telescopic shaft (13) is telescopically arranged in the fixed foundation; a rack is arranged on the telescopic shaft (13), and the telescopic shaft (13) is meshed with the rotary transmission gear (12) through the rack;
a fastening support shoe (14); one end of the telescopic shaft (13) penetrates through the floating hemisphere (2) and is connected with a fastening supporting shoe (14), and the fastening supporting shoe (14) is used for being fixed and abutted against the first hemispherical shell (101) after extending out.
3. A static level fixing base unit according to claim 2 further comprising a static level fixing module, the static level fixing module comprising:
a static level fixing plate (7); a cavity for installing a static level fixing plate (7) is formed above the floating hemisphere (2), and the static level fixing plate (7) is arranged in the cavity for installation;
a plurality of clasps (8); the plurality of buckles (8) are arranged on the floating hemisphere (2) and used for buckling the static level fixing plate (7) on the floating hemisphere (2);
a plurality of fixing bolts (9); the static level fixing plate (7) is provided with screw holes, and the plurality of fixing bolts (9) are used for fixing the static level on the static level fixing plate (7).
4. A static level fixing base unit according to claim 1 including a lifting module comprising:
a lifting knob (17);
lifting the drive shaft (16); a lifting knob (17) is connected with one end of a lifting transmission shaft (16),
a transmission gear (27); the transmission gear (27) is sleeved on the other end of the lifting transmission shaft (16);
a gear tooth (24); the transmission gear (24) is vertically arranged, and the transmission gear (24) is meshed with the transmission gear (27);
the upper part of the transmission gear (24) is connected with the leveling base (1).
5. A static level fixing base unit according to claim 4 wherein the lifting module further comprises:
a stationary tooth (25); the fixed teeth (25) are vertically arranged, the fixed teeth (25) are connected with the transmission teeth (24),
a telescopic fixed latch (22); the telescopic fixing latch (22) is engaged with the fixing teeth (25) and is used for preventing the fixing teeth (25) from descending.
6. A static level fixing base unit according to claim 5 wherein the lifting module further comprises:
a lift pad (23); the lifting shaft pad (23) is arranged at the upper ends of the transmission teeth (24) and the fixing teeth (25), and the lifting shaft pad (23) is connected with the leveling base (1);
a first spring (26); one end of a first spring (26) is installed on the lifting base (15), and the other end of the first spring (26) is connected with the lower ends of the transmission teeth (24) and the fixed teeth (25).
7. A static level fixing base unit as claimed in claim 1 characterised in that the upper edge of the first hemispherical shell (101) is sealingly connected to the upper edge of the second hemispherical shell (201) by an annular flexible sealing membrane (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938786.6U CN210426525U (en) | 2019-11-11 | 2019-11-11 | Static level gauge fixing base device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938786.6U CN210426525U (en) | 2019-11-11 | 2019-11-11 | Static level gauge fixing base device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210426525U true CN210426525U (en) | 2020-04-28 |
Family
ID=70369446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921938786.6U Active CN210426525U (en) | 2019-11-11 | 2019-11-11 | Static level gauge fixing base device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210426525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504121A (en) * | 2021-06-16 | 2021-10-15 | 同济大学 | Built-in surrounding rock in-situ testing device and method for TBM supporting shoes |
-
2019
- 2019-11-11 CN CN201921938786.6U patent/CN210426525U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504121A (en) * | 2021-06-16 | 2021-10-15 | 同济大学 | Built-in surrounding rock in-situ testing device and method for TBM supporting shoes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110763193A (en) | Static level fixing base device and using method thereof | |
| CN209764094U (en) | Mapping device is used in municipal administration convenient to rectify | |
| CN210426525U (en) | Static level gauge fixing base device | |
| CN109900260B (en) | Measuring device for road construction | |
| CN204882299U (en) | Cement mortar fluidity survey device | |
| CN215258924U (en) | Civil engineering is with horizontal range unit | |
| CN212672859U (en) | Total station | |
| CN212510327U (en) | Adjustable support of distancer for construction | |
| CN116892674A (en) | Engineering measuring device with adjustable | |
| CN218095159U (en) | Leveling assembly for RTK measuring instrument | |
| CN209416480U (en) | A kind of self-leveling platform scale | |
| CN210242768U (en) | Self-leveling rod fixing base device | |
| CN113624203B (en) | Level gauge for engineering survey | |
| CN211347289U (en) | Bridge amount of deflection measurement levelling rod base securing device | |
| CN115218080A (en) | Special precision measurement device of building engineering cost | |
| CN209741625U (en) | Road and bridge construction measuring device | |
| CN208779068U (en) | A kind of total station tripod support device | |
| CN221004543U (en) | Surveying instrument fine setting mechanism | |
| CN218097730U (en) | Three-dimensional water tank automatic leveling device for medical detection | |
| CN2657107Y (en) | Counting device used for detecting number of loaded electronic element on charge belt | |
| CN220508045U (en) | Total station | |
| CN217504775U (en) | Measuring device is used in hydraulic engineering construction | |
| CN210567249U (en) | Spirit level mount of portable installation | |
| CN214332043U (en) | Adjustable fixing device of measuring apparatu for indoor decoration | |
| CN219639895U (en) | Earthwork measuring device convenient to location |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |