CN209148464U - A kind of concrete bouncing back instrument - Google Patents
A kind of concrete bouncing back instrument Download PDFInfo
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- CN209148464U CN209148464U CN201821948729.1U CN201821948729U CN209148464U CN 209148464 U CN209148464 U CN 209148464U CN 201821948729 U CN201821948729 U CN 201821948729U CN 209148464 U CN209148464 U CN 209148464U
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- holder
- cylinder
- bottom plate
- reisilometer
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Abstract
The utility model relates to a kind of concrete bouncing back instruments, belong to concrete strength inspection apparatus field, it includes reisilometer ontology, reisilometer ontology includes cylinder and elastic stem, elastic stem is located at one end of cylinder and is coaxially disposed with cylinder, it further include the bottom plate for placing reisilometer ontology, bottom plate is parallel to ground setting, bottom plate is provided with support rod on the face far from reisilometer ontology, support rod is provided with the pedestal abutted with ground far from the end of bottom plate, clump weight is provided on pedestal, holder is provided on bottom plate, reisilometer ontology is located in holder, end of the cylinder far from elastic stem is abutted with the one side of holder, holder is located at the fixing piece being provided on the side wall of the two sides of cylinder for fixing reisilometer ontology, holder is opening setting close to the one side of elastic stem, it is provided on bottom plate for driving holder in bottom plate Make the driving device to move linearly, the utility model, which has, automatically moves reisilometer ontology, reduces the effect of labor intensity.
Description
Technical field
The utility model relates to the technical fields of concrete strength inspection equipment, more particularly, to a kind of concrete springback
Instrument.
Background technique
Concrete bouncing back instrument is a kind of detection device, is adapted to detect for the strong of common buildings component, bridge and various concrete components
Degree, the key technical indexes have impact function, elastic tension spring stiffness, attack hammer stroke, index system maximum static friction force and just bore
Calibration average value is to drive elastic hammer with a spring and pass through wink caused by elastic stem attack concrete surface using principle
When flexible deformation restoring force, make elastic hammer drive pointer rebound and indicate the distance rebounded, with the rebound value (distance rebounded
With impact before elastic hammer and elastic stem ratio of distances constant, percentagewise) as the relevant index of concrete crushing strength it
One, thus to estimate the compression strength of concrete.
The Chinese patent that existing Authorization Notice No. is CN206074373U discloses a kind of concrete bouncing back instrument, including returns
Instrument shell is played, the upper end of reisilometer shell is equipped with display screen, and the inner upper end portion of reisilometer shell is provided with controller, control
The first electromagnetic driver and the second electromagnetic driver, the first electromagnetic driver and are provided in reisilometer shell below device processed
Two electromagnetic drivers are sequentially connected with elastic stem simultaneously, and the side of elastic stem is connected with photoelectric sensor, and in reisilometer shell
Inner wall on be provided with the bar shaped grating of corresponding photoelectric sensor, photoelectric sensor is adapted with the bar shaped grating for detecting
The rebound height of elastic stem.
When prior art among the above has the following deficiencies: the detection for carrying out concrete strength, operator is needed
Hand-held reisilometer towards the mobile reisilometer of concrete after abutting the elastic stem of reisilometer to concrete surface, and records rebound
Value, the elastic stem of reisilometer will keep vertical with the surface of concrete in the process, to guarantee the accuracy of detection, in multiple measuring points
Detection in, manually repeatedly move reisilometer, increase labor intensity, and be manually difficult to ensure reisilometer in operating process
Elastic stem remains vertical with concrete, and detection is caused error occur.
Utility model content
The purpose of the utility model is to provide one kind to automatically move reisilometer ontology, reduces the mixed of labor intensity of operating staff
Solidifying soil reisilometer.
The purpose of this utility model has the technical scheme that
A kind of concrete bouncing back instrument, including reisilometer ontology, the reisilometer ontology include cylinder and elastic stem, the bullet
It hits bar to be located at one end of cylinder and be coaxially disposed with cylinder, further includes the bottom plate for placing reisilometer ontology, the bottom plate is flat
Row is arranged in ground, and the bottom plate is provided with support rod, end of the support rod far from bottom plate on the face far from reisilometer ontology
Portion is provided with the pedestal abutted with ground, and clump weight is provided on the pedestal, is provided with holder on the bottom plate, and described time
It plays instrument ontology to be located in holder, end of the cylinder far from elastic stem is abutted with the one side of holder, the holder position
In being provided with the fixing piece for fixing reisilometer ontology on the side wall of the two sides of cylinder, the holder close to elastic stem one
Face is opening setting, and the driving device for driving holder to make to move linearly on bottom plate is provided on the bottom plate.
By using above-mentioned technical proposal, pedestal is disposed adjacent on the ground of concrete component, reisilometer ontology is set
In in holder, and the cylinder of reisilometer ontology is fixed by fixing piece, at the same make the elastic stem of reisilometer ontology abut to
On concrete surface, then start driving device, driving device drives holder mobile, and holder drives reisilometer ontology direction
Concrete surface is mobile, to measure the rebound value of concrete herein, without manually removing mobile reisilometer, reduces operator's
Labor intensity, and since reisilometer ontology is fixed in holder, during reisilometer ontology is mobile, elastic stem can begin
It keeps vertical with the surface of concrete eventually, ensure that the accuracy in detection of reisilometer, clump weight increases the weight of pedestal, can prevent
During only reisilometer ontology is mobile, since the reaction force of concrete component causes pedestal mobile.
The utility model is further arranged to: the driving device includes the sliding slot being arranged on bottom plate, the sliding slot
Length direction is parallel to the axis direction of cylinder, thread lead screw is rotatably connected in the sliding slot, the thread lead screw is along the chute
Length direction setting, the bottom of the holder is provided with connecting rod, bottom surface and court of the connecting rod perpendicular to holder
It is extended to the position where sliding slot, the end that the connecting rod is located remote from box is provided with sleeve, the bush whorl set
It is connected in thread lead screw, motor is provided on the bottom plate, the output shaft of the motor and the thread lead screw are coaxially connected.
By using above-mentioned technical proposal, start motor, the rotation of motor driven thread lead screw, the process of thread lead screw rotation
In, thread lead screw cannot be followed to rotate since sleeve is located in sliding slot, sleeve is mobile by the length direction of threadingly lead screw, sleeve
Drive connecting rod and holder mobile, holder drives reisilometer ontology mobile towards concrete surface, to carry out coagulation
The detection of native intensity realizes the linear movement of holder using thread lead screw, and thread lead screw structure is simple, and easily facilitating makes
With.
The utility model is further arranged to: abutting bar is hinged on the support rod, the abutting bar is far from support rod
End rotated by hinge joint after abut on ground, the abutting end of the bar far from support rod is hingedly provided with abutting
Plate, described abut are provided with quarter tooth on face of the plate far from abutting bar.
It by using above-mentioned technical proposal, after placing pedestal, is rotated by hinge joint and abuts bar, and support abutting plate
It is connected on ground, when reisilometer ontology is mobile, a part of concrete component can be balanced to the support force of support rod by abutting bar
Reaction force, prevent pedestal mobile, further improve the stability of whole device, the quarter tooth abutted on plate can increase abutting
Frictional force between plate and ground allows abutting bar to play better supporting role.
The utility model is further arranged to: the fixing piece includes that screw thread is arranged on the side wall of holder and pushes against extremely
First on cylinder pushes against bolt.
By using above-mentioned technical proposal, in fixed reisilometer ontology, the first abutting bolt is tightened and is supported with cylinder
When connecing, and needing to remove reisilometer ontology, only it need to unscrew the first abutting bolt, so that the fixation and disassembly of reisilometer ontology
It is all more convenient.
The utility model is further arranged to: the end that the first abutting bolt is located in holder is provided with rubber
Plate, the rubber slab are abutted to the cylinder of reisilometer ontology, and the rubber slab is integrally arc-shaped setting.
Abut rubber slab to cylinder when tightening the first abutting bolt by using above-mentioned technical proposal, so that rebound
Instrument ontology is fixed in holder, and rubber slab increases the contact area of the first abutting bolt and cylinder, so that first pushes against
Bolt can preferably fix reisilometer ontology, by rubber slab be set as it is arc-shaped allow rubber slab preferably with cylinder
Fitting, further increases the fixed effect of the first abutting bolt.
This city is further arranged to novel: is provided on the face that the holder is abutted with cylinder for accommodation tube body end
The accommodation tube in portion is provided with rubber pad in the accommodation tube.
Cylinder is placed in accommodation tube, is no longer needed to when placing reisilometer ontology by using above-mentioned technical proposal
It manually goes to abut cylinder with holder, the rubber pad in accommodation tube can play certain buffering while fixed cylinder and make
With the reaction force that concrete component generates when decreasing rebound instrument ontology is mobile.
The utility model is further arranged to: the support rod is set as retractable structure, and the support rod includes fixing
The fixing pipe being connected on pedestal and the telescopic rod being plugged in fixing pipe, end of the telescopic rod far from fixing pipe is fixed to be connected
It is connected on bottom plate, the fixing pipe, which is equipped with to push against to second on telescopic rod far from screw thread on the tube wall of pedestal, pushes against bolt.
By using above-mentioned technical proposal, in the intensity for the concrete for needing to detect different height, unscrew the second abutting
Bolt adjusts the length of support rod in moving telescopic bar in fixing pipe, and the height of bottom plate and holder is made to change, so that
Reisilometer ontology may be at different height and detection intensity, improve the use scope of reisilometer.
The utility model is further arranged to: multiple handles are provided on the pedestal.
It can lift whole device at mobile whole device by using above-mentioned technical proposal by handle and be moved,
So that the movement of whole device is more convenient.
In conclusion the advantageous effects of the utility model are as follows:
1. reisilometer ontology is placed in holder and is fixed by fixing piece, the driving device then started on bottom plate is driven
Dynamic holder is for linear motion, and holder drives reisilometer ontology to move in a straight line towards concrete component, to concrete structure
The rebound value of part is detected, and realizes automatically moving for reisilometer ontology by whole device, in the detection of multiple measuring points,
Reduce the labor intensity of operator, while using the fixed reisilometer ontology of holder, so that elastic stem when detecting can be with
Always vertical with the holding of the surface of concrete, it ensure that the accuracy of detection；
2. being rotated by motor driven thread lead screw to drive holder mobile, so that reisilometer ontology is mobile, no longer need to
Manually remove mobile reisilometer ontology；
3. abutting bar when reisilometer ontology is mobile, support force can be provided to whole device, so that concrete component
A part of reaction force is cancelled, it is therefore prevented that pedestal moves；
4. setting retractable structure for support rod, allows reisilometer to measure the intensity of different height concrete, mention
The high use scope of reisilometer.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the partial enlargement diagram of part A in Fig. 1；
Fig. 3 is the partial enlargement diagram of part B in Fig. 1；
Fig. 4 is the overall structure diagram at another visual angle of the utility model embodiment；
Fig. 5 is the partial enlargement diagram of C portion in Fig. 4；
Fig. 6 is the partial enlargement diagram of the part D in Fig. 4.
In figure, 1, reisilometer ontology；11, cylinder；12, elastic stem；2, bottom plate；21, support rod；211, fixing pipe；212,
Telescopic rod；213, second bolt is pushed against；22, pedestal；221, clump weight；222, handle；23, holder；231, connecting rod；232,
Sleeve；233, first bolt is pushed against；234, rubber slab；235, accommodation tube；236, rubber pad；24, sliding slot；25, thread lead screw；
26, motor；27, bar is abutted；271, plate is abutted；272, tooth is carved.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Figures 1 and 2, is a kind of concrete bouncing back instrument disclosed by the utility model, including reisilometer ontology 1, rebound
Instrument ontology 1 is made of cylinder 11 and elastic stem 12, and elastic stem 12 is located at one end of cylinder 11 and is coaxially disposed with cylinder 11, is also wrapped
Pedestal 22 is included, clump weight 221 is provided on pedestal 22, being extended upward on pedestal 22 perpendicular to pedestal 22 has support rod 21,
Support rod 21 is provided with bottom plate 2 far from the end of pedestal 22, and holder 23 is provided on bottom plate 2, and reisilometer ontology 1, which is located at, to be placed
In box 23；Accommodation tube 235, accommodation tube 235 are provided on the face of holder 23 and end abutment of the cylinder 11 far from elastic stem 12
Inside it is provided with rubber pad 236, holder 23 is in being threaded with the first abutting bolt 233 on the side wall of 11 two sides of cylinder, and first
The end that abutting bolt 233 is located remote from box 23 is fixedly connected with rubber slab 234, and rubber slab 234 is whole to be arc-shaped setting.
Pedestal 22 and whole device are placed near the concrete component that will be detected, then by reisilometer ontology
1 is placed in holder 23, and enters cylinder 11 in accommodation tube 235, then tightens the first abutting bolt 233, makes rubber slab 234
It abuts to cylinder 11, after so reisilometer ontology 1 is fixed, so that reisilometer ontology 1 is when moving, elastic stem 12 and coagulation
The surface of soil remains the accuracy that vertically ensure that detection, and the rubber pad 236 in accommodation tube 235 can increase and cylinder 11
Friction, prevent cylinder 11 from generating movement, and arc-shaped rubber slab 234 can increase the first abutting bolt 233 and cylinder 11
Between contact area, allowing first, to push against bolt 233 preferably fixed by cylinder 11；Clump weight 221 can increase pedestal
22 weight, when preventing reisilometer ontology 1 mobile, concrete component keeps pedestal 22 mobile the reaction force of reisilometer ontology 1.
Referring to Fig. 4 and Fig. 5, the axis direction for being parallel to cylinder 11 is provided with sliding slot 24 on pedestal 22, turns in sliding slot 24
It is dynamic to be connected with thread lead screw 25, thread lead screw 25 along the chute 24 length direction setting, the bottom of holder 23 is perpendicular to placement
The bottom surface of box 23 is extended towards sliding slot 24 connecting rod 231, and the end that connecting rod 231 is located remote from box 23 is provided with sleeve
232,232 screw thread of sleeve is socketed in thread lead screw 25, and the interior spiral shell cooperated with thread lead screw 25 is provided on the inner wall of sleeve 232
Line (does not mark) in figure, motor 26 is provided on bottom plate 2, the output shaft of motor 26 is coaxial with thread lead screw 25 and is fixedly connected；
It is hinged with abutting bar 27(on support rod 21 and sees Fig. 6), it abuts end of the bar 27 far from support rod 21 and is hingedly provided with abutting plate
271, in order to increase the friction abutted between plate 271 and ground, quarter tooth is provided on abutting face of the plate 271 far from abutting bar 27
272。
After fixing reisilometer ontology 1 and abutting elastic stem 12 with concrete component, is rotated and abutted by hinge joint
Bar 27, and abut abutting plate 271 with ground, support force can be provided when reisilometer ontology 1 is mobile by abutting bar 27, further be prevented
Only pedestal 22 moves, and guarantees the stability of whole device, then starts motor 26, and motor 26 drives 25 turns of thread lead screw
Dynamic, at this time since sleeve 232 is located in sliding slot 24, thread lead screw 25 cannot be rotated with moving sleeve 232, and sleeve 232 and screw thread
Lead screw 25 be threadedly coupled, then sleeve 232 by thread lead screw 25 towards the direction of concrete component for linear motion, sleeve
232 drive connecting rod 231 and holder 23 mobile, and holder 23 drives reisilometer ontology 1 mobile, and elastic stem 12 is at this time towards cylinder
It is moved in 11, the intensity of concrete is so measured using reisilometer ontology 1, and movement rebound hand-held again without operator
Instrument ontology 1 is detected, and the labor intensity of operator is reduced.
Referring to Figure 1 and Figure 3, support rod 21 includes the fixing pipe 211 being fixedly connected on pedestal 22 and is plugged in fixing pipe
Telescopic rod 212 in 211, telescopic rod 212 are fixedly connected on a base plate 2 far from the end of fixing pipe 211, and fixing pipe 211 is separate
The end thread of pedestal 22, which is equipped with to push against to second on telescopic rod 212, pushes against bolt 213；In order to facilitate mobile entire dress
It sets, there are two the handles 222 for lifting pedestal for setting on pedestal 22.
In the intensity for the concrete for needing to detect different height, unscrew the second abutting bolt 213, in fixing pipe 211
Moving telescopic bar 212 adjusts the height of reisilometer ontology 1 to adjust the length of support rod 21, after adjusting to designated position,
Bolt 213 directly is pushed against with second to fix, and retractable structure is set by support rod 21, so that reisilometer can detecte not
With the intensity of the concrete on height and position, the use scope of reisilometer is improved.
The implementation principle of the present embodiment are as follows: whole device is moved to what needs detected by the handle 222 on pedestal 22
The first abutting bolt 233 is then unscrewed in position where concrete component, and reisilometer ontology 1 is placed in by accommodation tube 235 and is put
It sets in box 23, tightens the first abutting bolt 233, abut rubber slab 234 with cylinder 11 tightly, reisilometer ontology 1 is fixed on and is put
It sets in box 23, and abuts elastic stem 12 to concrete component, bar 27 is then abutted towards ground rotation by hinge joint, is made
It abuts plate 271 to abut with ground, provides support force to whole device so that abutting bar 27, then unscrew the second abutting bolt 213,
Moving telescopic bar 212 in fixing pipe 211 stretch out or withdraw, adjust reisilometer ontology 1 height to make abut bar 27 abut
To the position where measuring point.
Start motor 26, motor 26 drives thread lead screw 25 to rotate in sliding slot 24, at this time since sleeve 232 is located at sliding slot
It in 24 and is threaded in thread lead screw 25, then sleeve 232 cannot follow thread lead screw 25 to rotate and along thread lead screw
25 is mobile towards concrete component, and sleeve 232 drives connecting rod 231 mobile, and connecting rod 231 drives holder 23 mobile, places
Box 23 then drives reisilometer ontology 1 mobile, to measure the intensity of concrete component by reisilometer ontology 1, passes through screw thread silk
Thick stick 25 drives reisilometer ontology 1 mobile, so that operator no longer needs to hand-held reisilometer ontology 1 and movement, is detecting multiple surveys
When point, reduce the labor intensity of operator, and since reisilometer ontology 1 is fixed in holder 23, in reisilometer ontology 1
When mobile, the surface of elastic stem 12 and concrete component remains the accuracy that vertically ensure that reisilometer detection.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of concrete bouncing back instrument, including reisilometer ontology (1), the reisilometer ontology (1) includes cylinder (11) and attack
Bar (12), the elastic stem (12) are located at one end of cylinder (11) and are coaxially disposed with cylinder (11), it is characterised in that: further include
For placing the bottom plate (2) of reisilometer ontology (1), the bottom plate (2) is parallel to ground setting, and the bottom plate (2) is far from rebound
It is provided on the face of instrument ontology (1) support rod (21), the support rod (21) is provided with far from the end of bottom plate (2) and supports with ground
The pedestal (22) connect is provided with clump weight (221) on the pedestal (22), is provided with holder (23), institute on the bottom plate (2)
It states reisilometer ontology (1) to be located in holder (23), end and holder (23) of the cylinder (11) far from elastic stem (12)
One side abut, be provided with for fixing reisilometer ontology on the side wall for the two sides that the holder (23) is located at cylinder (11)
(1) fixing piece, one side of the holder (23) close to elastic stem (12) are opening setting, are provided on the bottom plate (2)
For driving holder (23) to make the driving device to move linearly on bottom plate (2).
2. a kind of concrete bouncing back instrument according to claim 1, it is characterised in that: the driving device includes being arranged the bottom of at
Sliding slot (24) on plate (2), the length direction of the sliding slot (24) are parallel to the axis direction of cylinder (11), the sliding slot (24)
Inside be rotatably connected to thread lead screw (25), the thread lead screw (25) along the chute (24) length direction setting, the holder
(23) bottom is provided with connecting rod (231), the connecting rod (231) perpendicular to holder (23) bottom surface and towards sliding slot
(24) position where is extended, and the end that the connecting rod (231) is located remote from box (23) is provided with sleeve (232), institute
It states sleeve (232) screw thread to be socketed on thread lead screw (25), be provided with motor (26) on the bottom plate (2), the motor (26)
Output shaft and the thread lead screw (25) it is coaxially connected.
3. a kind of concrete bouncing back instrument according to claim 1, it is characterised in that: be hinged on the support rod (21) to
Extension bar (27), described abut after the end of bar (27) far from support rod (21) is rotated by hinge joint abuts to ground, described
It abuts bar (27) and is hingedly provided with abutting plate (271) far from the end of support rod (21), the abutting plate (271) is far from abutting bar
(27) it is provided on face and carves tooth (272).
4. a kind of concrete bouncing back instrument according to claim 1, it is characterised in that: the fixing piece includes that screw thread is arranged in
On the side wall of holder (23) and push against to the first abutting bolt (233) on cylinder (11).
5. a kind of concrete bouncing back instrument according to claim 4, it is characterised in that: described first pushes against bolt (233) position
It is provided with rubber slab (234) in the end in holder (23), the rubber slab (234) abuts to the cylinder of reisilometer ontology (1)
On body (11), the rubber slab (234) is integrally arc-shaped setting.
6. a kind of concrete bouncing back instrument according to claim 1, it is characterised in that: the holder (23) and cylinder (11)
The accommodation tube (235) for accommodation tube (235) body (11) end, setting in the accommodation tube (235) are provided on the face of abutting
There are rubber pad (236).
7. a kind of concrete bouncing back instrument according to claim 1, it is characterised in that: the support rod (21) is set as to stretch
Shrinking structure, the support rod (21) include the fixing pipe (211) being fixedly connected on pedestal (22) and are plugged in fixing pipe (211)
Interior telescopic rod (212), the telescopic rod (212) is fixedly connected on bottom plate (2) far from the end of fixing pipe (211), described
Fixing pipe (211) is equipped with to push against to second on telescopic rod (212) far from screw thread on the tube wall of pedestal (22) pushes against bolt
(213)。
8. a kind of concrete bouncing back instrument according to claim 1, it is characterised in that: be provided on the pedestal (22) multiple
Handle (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821948729.1U CN209148464U (en) | 2018-11-24 | 2018-11-24 | A kind of concrete bouncing back instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821948729.1U CN209148464U (en) | 2018-11-24 | 2018-11-24 | A kind of concrete bouncing back instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148464U true CN209148464U (en) | 2019-07-23 |
Family
ID=67287237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821948729.1U Expired - Fee Related CN209148464U (en) | 2018-11-24 | 2018-11-24 | A kind of concrete bouncing back instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209148464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630857A (en) * | 2019-09-25 | 2019-12-31 | 河南日盛综合检测有限公司 | Building structure strength detection system |
| CN112525020A (en) * | 2020-11-18 | 2021-03-19 | 中国人民解放军32181部队 | Shot rotating equipment |
| CN113125278A (en) * | 2021-04-27 | 2021-07-16 | 湖北新悦成智能科技有限公司 | Building construction quality strength detection system and detection method for house construction project supervision wall |
-
2018
- 2018-11-24 CN CN201821948729.1U patent/CN209148464U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630857A (en) * | 2019-09-25 | 2019-12-31 | 河南日盛综合检测有限公司 | Building structure strength detection system |
| CN110630857B (en) * | 2019-09-25 | 2021-03-23 | 河南日盛综合检测有限公司 | Building structure strength detection system |
| CN112525020A (en) * | 2020-11-18 | 2021-03-19 | 中国人民解放军32181部队 | Shot rotating equipment |
| CN112525020B (en) * | 2020-11-18 | 2022-11-08 | 中国人民解放军32181部队 | Shot rotating equipment |
| CN113125278A (en) * | 2021-04-27 | 2021-07-16 | 湖北新悦成智能科技有限公司 | Building construction quality strength detection system and detection method for house construction project supervision wall |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |