CN209280457U - Pressure testing machine with safety protection structure - Google Patents
Pressure testing machine with safety protection structure Download PDFInfo
- Publication number
- CN209280457U CN209280457U CN201822064754.XU CN201822064754U CN209280457U CN 209280457 U CN209280457 U CN 209280457U CN 201822064754 U CN201822064754 U CN 201822064754U CN 209280457 U CN209280457 U CN 209280457U
- Authority
- CN
- China
- Prior art keywords
- spring
- sleeve
- motor
- bearing sheet
- testing machine
- 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
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a compression testing machine with safety protection structure, including first bearing board, second bearing board and motor case, the universal wheel is all installed at the both ends of second bearing board bottom, the inside vertical second spring of installing of sleeve, the top horizontal mounting of first metal pole has first bearing board, pressure sensor's one end is kept away from on the top and is installed the motor case, second motor output end horizontal mounting has the second electric putter that runs through the motor case, the inside top of motor case is close to the one end of push pedal and installs data storage module, data processing module keeps away from the inside top of motor case of data storage module one side and installs wireless transceiver module, the first bearing board top is kept away from the one end of motor case and is installed first test board. This compression testing machine with safety protection structure, thereby first motor drive protection ring downstream prevents that the test piece from splashing and hurting the people.
Description
Technical field
The utility model relates to pressure testing machine technical field, specially a kind of pressure testing with safety protection structure
Machine.
Background technique
Pressure testing machine is mainly used for the compressive strength test of the construction materials such as brick, cement mortar and concrete, it is also possible to
In the mechanical property test of other materials, in use, first test specimen is placed on pressure testing machine, start button is then pressed,
Rate steadily carries out bearing test as needed, until test specimen is crushed, just can obtain the compression strength of the test specimen.
But most of pressure testing machines do not have safeguard structure currently on the market, are easy to splash when test specimen is crushed when in use
It hurts sb.'s feelings, and most of pressure testing machines do not have damping device currently on the market, the moment that test specimen is crushed can generate biggish
Impact force can shorten the service life of pressure testing machine, at the same currently on the market most of pressure testing machines test specimen crushing after
Need manual cleaning clout, when use is more time-consuming and laborious.
Utility model content
The purpose of this utility model is to provide a kind of pressure testing machines with safety protection structure, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of pressure with safety protection structure
Testing machine, including the first bearing sheet, the second bearing sheet and motor housing, the both ends of second bearing sheet bottom end are mounted on universal
Wheel, and the top homogeneous vertical of the second bearing sheet is equipped with sleeve, the sleeve inner is vertically-mounted second spring, and second
Vertically-mounted the first metallic rod having through sleeve top in spring top, the top of first metallic rod is horizontally installed with first
Bearing sheet, and one end of the first bearing sheet bottom end is equipped with pressure sensor, the pressure sensor top is far from pressure sensing
One end of device is equipped with motor housing, and motor housing inner bottom is horizontally installed with the second motor, second motor by pedestal
Output end is horizontally installed with the second electric pushrod through motor housing, and the one end of the second electric pushrod far from the second motor is vertical
Push plate is installed, the motor housing inner tip is equipped with data memory module, and data memory module close to one end of push plate
The motor housing inner tip of side is equipped with data processing module, and the data processing module is far from data memory module side
Motor housing inner tip is equipped with radio receiving transmitting module, and the middle position of motor housing front upper portion is equipped with display screen, institute
It states the first bearing sheet top and the first breadboard, and the second bearing sheet of the first bearing sheet side is installed far from one end of motor housing
Top is equipped with support frame, and the middle position on support frame as described above top is vertically-mounted hydraulic cylinder, and hydraulic cylinder output end is perpendicular
Hydraulic stem through top of support frame is directly installed, the support frame inner bottom of the hydraulic stem two sides is vertically-mounted second
Sleeve, and second sleeve inner vertical is equipped with third spring, the third spring bottom end is vertically-mounted to be had through second sleeve
Second metallic rod of bottom end, and the lower horizontal of the second metallic rod and hydraulic stem is equipped with the second breadboard, the hydraulic cylinder two
The top of support frame of side is vertically-mounted first motor, and first motor output end is vertically-mounted has through top of support frame
The bottom end of first electric pushrod, first electric pushrod is equipped with protection ring, and the horizontal peace in the two sidewalls inside protection ring
Equipped with the first spring, the described one end of first spring far from protection ring is vertically-mounted protection board, support frame as described above inner bottom
Surrounding it is vertically-mounted have sliding rail, and the sliding block to match with sliding rail is installed inside sliding rail, the inside of the sliding block and guarantor
Retaining ring is connected.
Preferably, the universal wheel is provided with two groups, and there are two every group of universal wheel be respectively provided with, while setting inside universal wheel
It is equipped with arrestment mechanism.
Preferably, first metallic rod, which passes through, constitutes telescoping mechanism between second spring and sleeve, and the first metallic rod,
Second spring and sleeve are provided with six groups, and there are three every group of first metallic rod, second spring and sleeve be respectively provided with.
Preferably, the protection board is by constituting telescoping mechanism, and protection board and first between the first spring and protection ring
Spring is provided with two groups, and every group of protection board and the first spring are symmetrical arranged about the central axes of protection ring, while every group
There are two first spring is respectively provided with.
Preferably, the protection ring is by constituting sliding equipment between sliding block and sliding rail, and sliding block and sliding rail are provided with
Four, and sliding block and sliding rail are symmetrical arranged about the centerline of protection ring.
Preferably, second metallic rod is by constituting telescoping mechanism between third spring and second sleeve.
Compared with prior art, the utility model has the beneficial effects that the pressure testing machine of safety protection structure should be had,
Mould is stored by the first breadboard of installation, first motor, hydraulic cylinder, hydraulic stem, the second breadboard, pressure sensor, data
Block, data processing module, radio receiving transmitting module, display screen, the first electric pushrod, protection ring, the first bearing sheet, protection board and
Test specimen is placed on the upper surface of the first breadboard by one spring, then connects external power supply, starts first motor and hydraulic cylinder,
Hydraulic stem elongation is driven under the action of hydraulic cylinder, it is tight with the upper surface of test specimen that hydraulic stem drives the second breadboard to be moved downward to
Closely connected to close until test specimen is crushed, the instantaneous pressure sensor that test specimen is crushed detects pressure value at this time and in time by signal
Data memory module is passed to, signal is passed to and passes to signal wirelessly after data processing module is handled by data memory module
Signal is passed to display screen by transceiver module, radio receiving transmitting module, and the first electric pushrod is driven to stretch under the action of first motor
Long, protection ring is driven to move down for the first electric pushrod until lower surface and the upper surface of the first bearing sheet fit closely, test specimen
If there is fragment splashing in the moment being crushed, impact force is passed into the first spring under the action of protection board, in the first spring
Elastic force effect is lower to be eliminated to prevent test specimen splashing from hurting sb.'s feelings, and passes through the first breadboard, the first bearing sheet, the first metallic rod of installation
And second spring, when the biggish impact force that can generate in a flash that test specimen is crushed passes to the first cushion cap through the first breadboard
Plate, the first bearing sheet transmit the force to the first metallic rod, eliminate under the elastic force effect of second spring, convenient for extending pressure examination
The service life for testing machine passes through the first motor of installation, protection ring, the second motor, the second electric pushrod, push plate and the first test
Plate starts first motor after test specimen is crushed and protection is driven to be looped back to original position, then starts the second motor and drives second
Electric pushrod elongation, the second electric pushrod drive push plate mobile to the first breadboard side thus by the first breadboard surface residual
Test specimen push out, be convenient to clean waste material.
Detailed description of the invention
Fig. 1 is that the utility model faces schematic cross-sectional view；
Fig. 2 is the utility model positive structure diagram；
Fig. 3 is the utility model left view structural representation；
Fig. 4 is the portion A enlarged structure schematic diagram in the utility model Fig. 1.
In figure: 1, first motor；2, the first electric pushrod；3, protection ring；4, protection board；5, the first metallic rod；6, sliding rail；
7, sleeve；8, the first breadboard；9, universal wheel；10, pressure sensor；11, the first spring；12, sliding block；13, push plate；14,
Two electric pushrods；15, second spring；16, the first bearing sheet；17, the second bearing sheet；18, motor housing；19, the second motor；20,
Radio receiving transmitting module；21, data processing module；22, data memory module；23, the second breadboard；24, hydraulic stem；25, hydraulic
Cylinder；26, support frame；27, the second metallic rod；28, display screen；29, second sleeve；30, third spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of pressure testing with safety protection structure
Machine, including the first bearing sheet 16, the second bearing sheet 17 and motor housing 18, the both ends of 17 bottom end of the second bearing sheet are mounted on universal
Wheel 9, universal wheel 9 are provided with two groups, and there are two every group of universal wheel 9 be respectively provided with, while universal wheel 9 is internally provided with brake
Structure, the pressure testing machine easy to remove, and the top homogeneous vertical of the second bearing sheet 17 are equipped with sleeve 7,7 inner vertical of sleeve
Second spring 15, and vertically-mounted the first metallic rod 5 having through 7 top of sleeve in 15 top of second spring, the first gold medal are installed
Belong to bar 5 by constituting telescoping mechanism between second spring 15 and sleeve 7, and the first metallic rod 5, second spring 15 and sleeve 7 are equal
Six groups are provided with, and there are three every group of first metallic rod 5, second spring 15 and sleeve 7 be respectively provided with, convenient for keeping the first cushion cap
The stabilization of plate 16, the top of the first metallic rod 5 are horizontally installed with the first bearing sheet 16, and one end peace of 16 bottom end of the first bearing sheet
Equipped with pressure sensor 10,10 top of pressure sensor is equipped with motor housing 18, and motor far from one end of pressure sensor 10
18 inner bottom of case is horizontally installed with the second motor 19 by pedestal, and the model of second motor 19 can be Y90S-6 motor,
Second motor, 19 output end is horizontally installed with the second electric pushrod 14 through motor housing 18, and the second electric pushrod 14 is far from
One end of two motors 19 is vertically-mounted push plate 13, and 18 inner tip of motor housing is equipped with data storage close to one end of push plate 13
Module 22, and 18 inner tip of motor housing of 22 side of data memory module is equipped with data processing module 21, data processing mould
Block 21 is equipped with radio receiving transmitting module 20 far from 18 inner tip of motor housing of 22 side of data memory module, and motor housing 18 is just
The middle position of face upper end is equipped with display screen 28, and 16 top of the first bearing sheet is equipped with first far from one end of motor housing 18
Breadboard 8, and 17 top of the second bearing sheet of 16 side of the first bearing sheet is equipped with support frame 26, the centre on 26 top of support frame
Vertically-mounted at position to have hydraulic cylinder 25, the model of the hydraulic cylinder 25 can be J64RT2UNIVER telescopic cylinder, and hydraulic cylinder
25 output ends are vertically-mounted the hydraulic stem 24 through 26 top of support frame, and 26 inner bottom of support frame of 24 two sides of hydraulic stem is equal
It is vertically-mounted to have second sleeve 29, and 29 inner vertical of second sleeve is equipped with third spring 30,30 bottom end of third spring is vertical
The second metallic rod 27 through 29 bottom end of second sleeve is installed, the second metallic rod 27 passes through third spring 30 and second sleeve 29
Between constitute telescoping mechanism, convenient for keeping the stability of the second breadboard 23, and the bottom end of the second metallic rod 27 and hydraulic stem 24
It is horizontally installed with the second breadboard 23,26 top of support frame of 25 two sides of hydraulic cylinder is vertically-mounted first motor 1, this first
The model of motor 1 can be Y90S-2 motor, and 1 output end of first motor is vertically-mounted first through 26 top of support frame
Electric pushrod 2, the bottom end of the first electric pushrod 2 are equipped with protection ring 3, and protection ring 3, which passes through to constitute between sliding block 12 and sliding rail 6, to be slided
Motivation structure, and there are four sliding block 12 and sliding rail 6 be respectively provided with, and sliding block 12 and sliding rail 6 are about the middle line point symmetry of protection ring 3
Setting, convenient for protecting and clearing up clout, and the two sidewalls inside protection ring 3 are horizontally installed with the first spring 11, the first spring
11 one end far from protection ring 3 are vertically-mounted protection board 4, and protection board 4 is stretched by constituting between the first spring 11 and protection ring 3
Contracting mechanism, and protection board 4 and the first spring 11 are provided with two groups, and every group of protection board 4 and the first spring 11 are about protection
The central axes of ring 3 are symmetrical arranged, while there are two every group of first spring 11 be respectively provided with, convenient for preventing test specimen fragment from hurting sb.'s feelings, support
The surrounding of 26 inner bottom of frame is vertically-mounted sliding rail 6, and the sliding block 12 to match with sliding rail 6 is equipped with inside sliding rail 6, sliding
The inside of block 12 is connected with protection ring 3.
Working principle: it when having the pressure testing machine of safety protection structure using this, first passes through universal wheel 9 and has this
The pressure testing machine of safety protection structure moves to the appropriate position, and test specimen is then placed on to the upper surface of the first breadboard 8, so
After connect external power supply, start first motor 1 and hydraulic cylinder 25, drive hydraulic stem 24 to extend under the action of hydraulic cylinder 25, liquid
Compression bar 24 drives the second breadboard 23 to be moved downward to and is fitted closely with the upper surface of test specimen until test specimen is crushed, and test specimen is pressed
Broken instantaneous pressure sensor 10 detects pressure value at this time and signal passed to data memory module 22 in time, and data are deposited
Signal is passed to and signal is passed to radio receiving transmitting module 20, wireless receiving and dispatching mould after data processing module 21 is handled by storage module 22
Signal is passed to display screen 28 by block 20, and the first electric pushrod 2 is driven to extend under the action of first motor 1, and first electronic pushes away
Protection ring 3 is driven to move down for bar 2 until lower surface and the upper surface of the first bearing sheet 16 fit closely, the wink that test specimen is crushed
There is fragment splashing between if, impact force is passed into the first spring 11 under the action of protection board 4, makees in the elastic force of the first spring 11
It eliminates to prevent test specimen splashing from hurting sb.'s feelings with lower, when what test specimen was crushed can generate in a flash biggish impact force through the first test
Plate 8 passes to the first bearing sheet 16, and the first bearing sheet 16 transmits the force to the first metallic rod 5, makees in the elastic force of second spring 15
Started first motor 1 convenient for being extended the service life of the pressure testing machine with lower elimination after test specimen is crushed and drive protection ring
3 return to original position, then start the second motor 19 and drive the elongation of the second electric pushrod 14, the second electric pushrod 14 drives push plate
13 is mobile to push out the test specimen of 8 surface residual of the first breadboard to 8 side of the first breadboard, is convenient to clean waste material.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of pressure testing machine with safety protection structure, including the first bearing sheet (16), the second bearing sheet (17) and electricity
Cabinet (18), it is characterised in that: the both ends of the second bearing sheet (17) bottom end are mounted on universal wheel (9), and the second cushion cap
The top homogeneous vertical of plate (17) is equipped with sleeve (7), and sleeve (7) inner vertical is equipped with second spring (15), and the
Two springs (15) top is vertically-mounted the first metallic rod (5) through sleeve (7) top, the top of first metallic rod (5)
End is horizontally installed with the first bearing sheet (16), and one end of the first bearing sheet (16) bottom end is equipped with pressure sensor (10), institute
It states pressure sensor (10) top to be equipped with motor housing (18) far from one end of pressure sensor (10), and motor housing (18) is internal
Bottom end is horizontally installed with the second motor (19) by pedestal, and the second motor (19) output end is horizontally installed with through motor housing
(18) the second electric pushrod (14), and the second electric pushrod (14) vertically-mounted has push plate far from the one end of the second motor (19)
(13), motor housing (18) inner tip is equipped with data memory module (22) close to one end of push plate (13), and data are deposited
Motor housing (18) inner tip of storage module (22) side is equipped with data processing module (21), the data processing module (21)
Motor housing (18) inner tip far from data memory module (22) side is equipped with radio receiving transmitting module (20), and motor housing
(18) middle position of front upper portion is equipped with display screen (28), and the first bearing sheet (16) top is far from motor housing (18)
One end be equipped with the first breadboard (8), and the second bearing sheet (17) top of the first bearing sheet (16) side is equipped with support
Frame (26), the middle position on support frame as described above (26) top is vertically-mounted to be had hydraulic cylinder (25), and hydraulic cylinder (25) output end
It is vertically-mounted to have the hydraulic stem (24) through support frame (26) top, support frame (26) inner bottom of the hydraulic stem (24) two sides
End is vertically-mounted to be had second sleeve (29), and second sleeve (29) inner vertical is equipped with third spring (30), the third
Spring (30) bottom end is vertically-mounted the second metallic rod (27) through second sleeve (29) bottom end, and the second metallic rod (27) and
The lower horizontal of hydraulic stem (24) is equipped with the second breadboard (23), and support frame (26) top of hydraulic cylinder (25) two sides is equal
It is vertically-mounted to have first motor (1), and vertically-mounted the first electricity having through support frame (26) top of first motor (1) output end
Dynamic push rod (2), the bottom end of first electric pushrod (2) are equipped with protection ring (3), and the two sidewalls of protection ring (3) inside are equal
It is horizontally installed with the first spring (11), the one end of first spring (11) far from protection ring (3) is vertically-mounted protection board
(4), the surrounding of support frame as described above (26) inner bottom is vertically-mounted has sliding rail (6), and sliding rail (6) inside is equipped with and sliding rail
(6) inside of the sliding block (12) to match, the sliding block (12) is connected with protection ring (3).
2. a kind of pressure testing machine with safety protection structure according to claim 1, it is characterised in that: described universal
Wheel (9) is provided with two groups, and there are two every group of universal wheel (9) be respectively provided with, while universal wheel (9) is internally provided with arrestment mechanism.
3. a kind of pressure testing machine with safety protection structure according to claim 1, it is characterised in that: described first
Metallic rod (5) is by constituting telescoping mechanism, and the first metallic rod (5), second spring between second spring (15) and sleeve (7)
(15) and sleeve (7) is provided with six groups, and every group of first metallic rod (5), second spring (15) and sleeve (7) are provided with
Three.
4. a kind of pressure testing machine with safety protection structure according to claim 1, it is characterised in that: the protection
Plate (4) is by constituting telescoping mechanism between the first spring (11) and protection ring (3), and protection board (4) and the first spring (11) are equal
Two groups are provided with, and every group of protection board (4) and the first spring (11) are symmetrical arranged about the central axes of protection ring (3), simultaneously
There are two every group of first spring (11) is respectively provided with.
5. a kind of pressure testing machine with safety protection structure according to claim 1, it is characterised in that: the protection
Ring (3) is by constituting sliding equipment between sliding block (12) and sliding rail (6), and there are four sliding block (12) and sliding rail (6) be respectively provided with, and
And sliding block (12) and sliding rail (6) are symmetrical arranged about the centerline of protection ring (3).
6. a kind of pressure testing machine with safety protection structure according to claim 1, it is characterised in that: described second
Metallic rod (27) is by constituting telescoping mechanism between third spring (30) and second sleeve (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064754.XU CN209280457U (en) | 2018-12-10 | 2018-12-10 | Pressure testing machine with safety protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064754.XU CN209280457U (en) | 2018-12-10 | 2018-12-10 | Pressure testing machine with safety protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280457U true CN209280457U (en) | 2019-08-20 |
Family
ID=67610398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822064754.XU Active CN209280457U (en) | 2018-12-10 | 2018-12-10 | Pressure testing machine with safety protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209280457U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434213A (en) * | 2019-09-04 | 2019-11-12 | 范佳旭 | A kind of steel steel-smelting device equipped with safety protective mechanisms |
| CN110595883A (en) * | 2019-09-06 | 2019-12-20 | 贝哲敏 | Anti-seismic device for testing compressive strength of concrete |
| CN111846540A (en) * | 2020-06-29 | 2020-10-30 | 安徽南都华铂新材料科技有限公司 | Waste lithium battery recycling and storing device and storing method thereof |
| CN115201018A (en) * | 2022-09-16 | 2022-10-18 | 中大智能科技股份有限公司 | Automatic detection equipment for compressive strength of concrete test block |
-
2018
- 2018-12-10 CN CN201822064754.XU patent/CN209280457U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434213A (en) * | 2019-09-04 | 2019-11-12 | 范佳旭 | A kind of steel steel-smelting device equipped with safety protective mechanisms |
| CN110595883A (en) * | 2019-09-06 | 2019-12-20 | 贝哲敏 | Anti-seismic device for testing compressive strength of concrete |
| CN111846540A (en) * | 2020-06-29 | 2020-10-30 | 安徽南都华铂新材料科技有限公司 | Waste lithium battery recycling and storing device and storing method thereof |
| CN111846540B (en) * | 2020-06-29 | 2022-01-18 | 安徽南都华铂新材料科技有限公司 | Waste lithium battery recycling and storing device and storing method thereof |
| CN115201018A (en) * | 2022-09-16 | 2022-10-18 | 中大智能科技股份有限公司 | Automatic detection equipment for compressive strength of concrete test block |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209280457U (en) | Pressure testing machine with safety protection structure | |
| CN208369051U (en) | The telescopic switch fixed contact repair and maintenance tool of outdoor vertical | |
| CN214427164U (en) | High performance concrete product intensity detection device | |
| CN213376427U (en) | Vortex mixer long in service life | |
| CN210464287U (en) | Check out test set for mechanical engineering | |
| CN209615422U (en) | A kind of station suitable for steel construction | |
| CN210911788U (en) | Teaching aid for social teaching | |
| CN210234404U (en) | Office micro printer | |
| CN209718741U (en) | A kind of press machine with pressure control function | |
| CN208140291U (en) | Protective device is used in a kind of manufacture of spring | |
| CN206375417U (en) | A kind of upper piece movable stand being used in high-strength novel process of glass | |
| CN217586752U (en) | Multifunctional safety helmet detection device | |
| CN206740155U (en) | A kind of constant pressure pressure-keeping mechanism | |
| CN205788018U (en) | Display lowering or hoisting gear | |
| CN212399555U (en) | Electricity inspection tool bogie | |
| CN214538977U (en) | Novel civil construction building material compressive strength check out test set | |
| CN210570837U (en) | Real-time online environmental quality monitoring device used in subway | |
| CN216696221U (en) | Real-time detection device for building cracks | |
| CN221377495U (en) | Concrete test block compression resistance testing device | |
| CN109357929B (en) | Concrete press machine capable of performing bidirectional inflation on concrete baffle through hand cranking | |
| CN220751799U (en) | Concrete compressive strength's test device | |
| CN211740941U (en) | Impact testing machine | |
| CN215409958U (en) | Control device for water quality detector | |
| CN216771279U (en) | Auxiliary device for resiliometer | |
| CN213301028U (en) | Portable crack visulizer protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210826 Address after: Room 2454, floor 3, building 2, No. 7, Shixing street, Shijingshan District, Beijing 100041 Patentee after: Sinochem Mingda Holding Group Co.,Ltd. Address before: 350013 Fujian province Fuzhou City Train Station West Road No. 68 Patentee before: FUJIAN INSTITUTE OF GEOLOGICAL SURVEY, CHINA CHEMICAL GEOLOGY AND MINE BUREAU |