CN203639958U - Foundation pile impact detection equipment based on medium strain reflected wave method - Google Patents
Foundation pile impact detection equipment based on medium strain reflected wave method Download PDFInfo
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- CN203639958U CN203639958U CN201320837201.8U CN201320837201U CN203639958U CN 203639958 U CN203639958 U CN 203639958U CN 201320837201 U CN201320837201 U CN 201320837201U CN 203639958 U CN203639958 U CN 203639958U
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- 238000000034 method Methods 0.000 title abstract description 18
- 238000001514 detection method Methods 0.000 title abstract description 10
- 230000000694 effects Effects 0.000 claims description 4
- 230000003116 impacting effect Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 240000007673 Origanum vulgare Species 0.000 description 1
- 235000004383 Origanum vulgare subsp. vulgare Nutrition 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- 230000035939 shock Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses foundation pile impact detection equipment based on a medium strain reflected wave method. The equipment comprises a control device, a power device, a main machine beam, supporting legs, a winch, a stand column and an impact hammer, the power device is used for driving the whole equipment to move, the main machine beam is horizontally and transversely arranged, the power device, the supporting legs, the stand column and the winch are all arranged on the main machine beam and connected with the main machine beam, the stand column is vertically arranged, the winch and the impact hammer are arranged on the two sides of the stand column respectively, top pulleys are arranged at the top end of the stand column, a vertical guide rail is arranged on the stand column, the impact hammer is also arranged vertically, the impact hammer is provided with guide wheels matched with the guide rail of the stand column, the winch is provided with a steel rope, the steel rope bypasses the top pulleys and is connected with the impact hammer, the impact hammer can be lifted to a certain height and fall down under the action of traction force of the winch, and the equipment is used for a foundation pile with the impact to be detected.
Description
Technical field
The utility model belongs to pile foundation detection field, specifically refers to that a kind of foundation pile based on middle strain reflected detects impact device.
Background technology
At present the Stress Wave Method of pile integrity detection is mainly contained to low Strain Method and high Strain Method, but these two kinds of methods are because the feature of himself all has certain limitation.Low Strain Method impact energy is little, is unfavorable for detecting small-signal; High Strain Method jump bit is very heavy, is unfavorable for that the fast and easy of detection is carried out.
For these deficiencies, we have proposed a kind of new concept and methodology, Strain Method in, middle Strain Method peg technology is similar high Strain Method and low Strain Method measuring technology, adopt medium energy transient excitation mode at stake top exciting, the speed time-history curves at actual measurement stake top, analyzes the detection method that pile body integrity is judged by wave theory.
Impact device and high strain that middle Strain Method adopts are similar: generally formed by overall hammer body or assembled hammer body, tripping gear, leading truck and chassis, and by crane as being shifted and lifting appliance.But with high strain facies than in light many of the hammer body of strain, only have several thousand Ns of hundreds of wild marjorams heavy, this had not only been conducive to obtain lower strain and has better detected effect, but also is conducive to improve detection efficiency.The utility model is exactly the impact device of middle Strain Method, this device structure is simple, light and flexible, safe, cost is lower, to site condition require low, and integrated impact device, lifting and shift unit be integrated.
Utility model content
The purpose of this utility model is to provide a kind of foundation pile based on middle strain reflected and detects impact device, and this equipment can be realized the impulse detection to foundation pile.
Above-mentioned purpose of the present utility model realizes by following technical solution: a kind of foundation pile based on middle strain reflected detects impact device, it is characterized in that: this equipment comprises control device, power set, main frame beam, supporting leg, hoist engine, column and jump bit, described power set are used for driving whole equipment moving, described main frame beam horizontal cross arranges, described power set, supporting leg, column and hoist engine are installed on main frame beam, be connected with main frame beam, described upright post vertical is to setting, hoist engine and jump bit lay respectively at the both sides of column, the top of column is also provided with top pulleys, column has the guide rail of vertical setting, described jump bit also vertically arranges, jump bit has the guide wheel matching with the guide rail of column, described hoist engine has cable wire, this cable wire is connected with jump bit after walking around top pulleys, described jump bit falls after can rising to certain altitude under the effect of hoist engine tractive force, for impacting foundation pile to be detected.
In the utility model, this equipment also comprises hangs hammer device, described cable wire is walked around and is hammered device into shape by extension after top pulleys and be connected with jump bit, described extension hammer device vertically arranges, hang hammer device and also there is the guide wheel matching with the guide rail of column, hanging the hammer guide wheel of device and the guide wheel of jump bit is positioned on same vertical curve, described extension hammer device also has the hammer of extension oil cylinder, the top that hangs hammer device is provided with lifting pulley, bottom has dop, the cable wire of hoist engine is wound around this lifting pulley, after winding, be fixed on the top of column, hoist engine passes through cable wire, top pulleys and lifting pulley can drive extension hammer device to move up and down, described dop is connected with extension hammer oil cylinder, the top of described jump bit is provided with described and is connected the chuck that dop matches, dop can open or be closed under the control of extension hammer oil cylinder, can clamp gripper in the time of closure, drive jump bit synchronously to move up and down with this, after jump bit rises to certain altitude, hammering oil cylinder control dop into shape by extension opens jump bit is dropped, drop impact foundation pile to be detected under jump bit after dropping.
In the utility model, described column is also with the vertical slide rail arranging, the slide rail of column and the guide rail of column lay respectively at the both sides of column, slide rail is used for making column to move up and down, described column also has slide rail hoist cylinder, and described slide rail hoist cylinder is fixedly mounted on main frame beam, and slide rail hoist cylinder is connected with slide rail, described slide rail can vertically move up and down under slide rail hoist cylinder drives, thereby drives upright post vertical to move up and down.
In the utility model, described hoist engine is hydraulic winch.
In the utility model, described power set are diesel engine.
In the utility model, this equipment also has Athey wheel chassis, and Athey wheel chassis is arranged on the below of main frame beam, is connected with main frame beam, and Athey wheel chassis is also connected with power set, under power set drive, moves.
In the utility model, described supporting leg is four, be wherein front support leg near the two legs of column, two other leg is rear support leg, and four supporting legs all have support oil cylinder separately, and four support oil cylinders are connected with power set respectively, article four, supporting leg all can vertical telescopic moving under support oil cylinder drives, two described front support legs are also connected with respectively telescopic oil cylinder separately, and described telescopic oil cylinder can drive front support leg overhanging, keep balance with adjustment equipment.
In the utility model, described all oblique settings of two telescopic oil cylinders, and two telescopic oil cylinders are symmetrical arranged centered by the center line of main frame beam, between telescopic oil cylinder and the center line of main frame beam, there is slanted angle α, this slanted angle α is within the scope of 30 °～40 °.
Foundation pile of the present utility model detects impact device, moves up and down with the free-falling hammer of hoist engine automatic lifting band guide rail, can control weight drop height; Hydraulic system can be controlled and when supporting leg is flexible makes equipment work, keep balance; There is the Athey wheel chassis with gum cover, can make this equipment move along all directions; Use button control system, the function of equipment can be completed by a key operation; The self-powered system of equipment, carries diesel-driven generator and provides power for equipment; Be equipped with the jump bit of Different Weight, there is the function that weight automatic trip is hooked.
Compared with prior art, the utlity model has following remarkable result:
1, the utility model belongs to full-automatic device, within average 1 day, can carry out middle strain method for measuring to 50 foundation stakes, be 4-5 times of high strain method for measuring speed.
2, the utility model is not limited by or not the place such as deep foundation ditch or excavation of foundation pit, does not need to build specially road, does not take construction plant.
3, the walking of the utility model synthetic resin crawler belt wheel is convenient, does not destroy construction plant.
4, the one-touch control system of the utility model is simple, convenient.
5, the utility model free-falling hammer mode can meet industry standard " architecture foundation pile inspection specifications " and (JGJ106-2003) (DBJ15-60-2008) stipulates with Guangdong Province standard " building foundation detection standard ".
6, the utility model has been equipped with the jump bit of 4 Different Weight according to testing requirement, can meet the testing requirement of piles with different type.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Fig. 1 is the front view that the utility model foundation pile detects impact device;
Fig. 2 is the right view that the utility model foundation pile detects impact device;
Fig. 3 is the top view that the utility model foundation pile detects impact device;
Fig. 4 is the working state figure that the utility model foundation pile detects impact device, and now equipment is in normal hoisting state;
Fig. 5 is the working state figure that the utility model foundation pile detects impact device, and now equipment is in the state that normally drops hammer;
Fig. 6 is the working state figure that the utility model foundation pile detects impact device, the lifting state that now equipment reduces in column;
Fig. 7 is the working state figure that the utility model foundation pile detects impact device, the state that drops hammer that now equipment reduces in column.
Description of reference numerals
1, diesel engine; 2, supporting leg; 21, support oil cylinder; 3, main frame beam; 4, Athey wheel chassis;
5, top pulleys; 6, column; 61, guide rail; 7, hang hammer device; 71, hang hammer oil cylinder;
72, dop; 73, guide wheel; 8, cable wire; 9, jump bit; 91, guide wheel;
92, chuck; 10, electrical control cubicles; 11, hoist engine; 12, spooler; 13, telescopic oil cylinder;
14, slide rail hoist cylinder; 15, counterweight; 100, foundation pile
The specific embodiment
A kind of foundation pile based on middle strain reflected as shown in Figures 1 to 7 detects impact device, this equipment comprises control device, power set, main frame beam 3, supporting leg 2, hoist engine 11, column 6 and jump bit 9, power set are diesel engine 1, power set are used for driving whole equipment moving, the 3 horizontal cross settings of main frame beam, power set, supporting leg 2, column 6 and hoist engine 11 are installed on main frame beam 3, be connected with main frame beam 3, column 6 vertically arranges, hoist engine 11 and jump bit 9 lay respectively at the both sides of column 6, hoist engine 11 is hydraulic winch 11, the top of column 6 is also provided with top pulleys 5, column 6 has the guide rail 61 of vertical setting, jump bit 9 also vertically arranges, jump bit 9 has the guide wheel 91 matching with the guide rail 61 of column 6, hoist engine 11 has cable wire 8, this cable wire 8 is connected with jump bit 9 after walking around top pulleys 5, jump bit 9 falls after can rising to certain altitude under the effect of hoist engine 11 tractive force, for impacting foundation pile to be detected 100.This equipment also has the Athey wheel chassis 4 with gum cover, Athey wheel chassis 4 is arranged on the below of main frame beam 3, is connected with main frame beam 3, and Athey wheel chassis 4 is also connected with power set, under power set drive, move, can make this equipment move along all directions.
Equipment in the utility model also comprises hangs hammer device 7, cable wire 8 is walked around and is hammered device 7 into shape by extension after top pulleys 5 and be connected with jump bit 9, hanging hammer device 7 vertically arranges, hang hammer device 7 and also there is the guide wheel 73 matching with the guide rail 61 of column 6, the guide wheel 73 of hanging hammer device 7 is positioned on same vertical curve with the guide wheel 91 of jump bit 9, hang hammer device 7 and also there is the hammer of extension oil cylinder 71, the top that hangs hammer device 7 is provided with lifting pulley, bottom has dop 72, the cable wire 8 of hoist engine 11 is wound around this lifting pulley, after winding, be fixed on the top of column 6, hoist engine 11 is by cable wire 8, top pulleys 5 and lifting pulley can drive extension hammer device 7 to move up and down, dop 72 is connected with extension hammer oil cylinder 71, the top of jump bit 9 is provided with and the chuck 92 that is connected dop 72 and matches, dop 72 can open or be closed under extension hammer oil cylinder 71 is controlled, can clamp gripper 92 in the time of closure, drive jump bit 9 synchronously to move up and down with this, after jump bit 9 rises to certain altitude, hammering oil cylinder 71 into shape by extension controls dop 72 and opens jump bit 9 is dropped, 9 times drop impacts of jump bit foundation pile 100 to be detected after dropping.
In the utility model, column 6 is also with the vertical slide rail arranging, the slide rail of column 6 and the guide rail of column lay respectively at the both sides of column 6, slide rail is used for making column 6 to move up and down, column 6 also has slide rail hoist cylinder 14, and slide rail hoist cylinder 14 is fixedly mounted on main frame beam 3, and slide rail hoist cylinder 14 is connected with slide rail, slide rail can vertically move up and down under slide rail hoist cylinder 14 drives, thereby drives column 6 vertically to move up and down.
Supporting leg 2 is four, be wherein front support leg near the two legs of column 6, two other leg is rear support leg, article four, supporting leg 2 all has support oil cylinder 21 separately, four support oil cylinders 21 are connected with power set respectively, and four supporting legs 2 all can vertical telescopic moving under support oil cylinder 21 drives, and two front support legs are also connected with respectively telescopic oil cylinder 13 separately, telescopic oil cylinder 13 can drive front support leg overhanging, keeps balance with adjustment equipment.Two all oblique settings of telescopic oil cylinder 13, and two telescopic oil cylinders 13 are symmetrical arranged centered by the center line of main frame beam 3, between the center line of telescopic oil cylinder 13 and main frame beam 3, there is the slanted angle α of 35 °, this slanted angle α also can be within the scope of 30 °～40 ° value.Front support leg is designed to telescopic structure, can guarantee system balancing safety.
As the conversion of this enforcement, the dop 72 of hanging hammer device 7 bottoms can substitute with hook, the chuck 92 use links on the top of corresponding jump bit 9 substitute with it, hook can open or be closed under extension hammer oil cylinder 71 is controlled, in the time of closure, can be interlocked with chuck 92, drive jump bit 9 synchronously to move up and down with this, after jump bit 9 rises to certain altitude, hammer oil cylinder 71 into shape by extension and control hook and open jump bit 9 is broken off relations, 9 times drop impacts of the jump bit foundation pile 100 to be detected after unhook.
Foundation pile of the present utility model detects impact device, and with the free-falling hammer of guide rail, guide rail can move up and down, weight maximum weight 800Kg, maximum lifting height 1300mm; Hoist engine automatic lifting, can be controlled in any height and falls, maximum lift weight 1000Kg; Absolute equilibrium when HYDRAULIC CONTROL SYSTEM Telescopic support leg makes equipment work, guarantees safety; Synthetic resin crawler belt wheel chassis, reduces place and destroys, and can move by any direction, simple and convenient; Button control system, the repertoire homogeneous key operation of equipment completes; Self-powered system, equipment carries diesel-driven generator and provides power for equipment; Be equipped with the jump bit of 4 Different Weight according to testing requirement.
The utility model by diesel engine support oil cylinder along main frame beam different directions move with adjustment equipment stablize and control Athey wheel bobbin movement with mobile device to precalculated position; Hang hammer device and connect column and guide rail and use cable suspended in top pulleys, jump bit hangs on hammer device and can move along column by guide rail; Electrical control cubicles control hydraulic winch drives hangs hammer device action, can complete and propose the action such as hammer, hammer unhook impact.
As shown in Figures 4 to 7, foundation pile detection impact device specific operation process of the present utility model is as follows:
1, mobile in place: band gum cover Athey wheel chassis is accurately in place to intending detecting stake, aim at and intend shock point, and press field condition and adjust guide rail height up and down, guarantee not topple over after weight drop;
2, stable support: stretch out supporting leg, guarantee system balancing safety;
3, weight promotes: adopt hoist engine Hoisting System, by concrete test requirements document control hoisting depth;
4, impact: reach after requirement hoisting depth, automatically-unhooked, realize free-falling hammer stake top is impacted;
5, again link up with, test for the second time.
Claims (8)
1. the foundation pile based on middle strain reflected detects impact device, it is characterized in that: this equipment comprises control device, power set, main frame beam, supporting leg, hoist engine, column and jump bit, described power set are used for driving whole equipment moving, described main frame beam horizontal cross arranges, described power set, supporting leg, column and hoist engine are installed on main frame beam, be connected with main frame beam, described upright post vertical is to setting, hoist engine and jump bit lay respectively at the both sides of column, the top of column is also provided with top pulleys, column has the guide rail of vertical setting, described jump bit also vertically arranges, jump bit has the guide wheel matching with the guide rail of column, described hoist engine has cable wire, this cable wire is connected with jump bit after walking around top pulleys, described jump bit falls after can rising to certain altitude under the effect of hoist engine tractive force, for impacting foundation pile to be detected.
2. the foundation pile based on middle strain reflected according to claim 1 detects impact device, it is characterized in that: this equipment also comprises hangs hammer device, described cable wire is walked around and is hammered device into shape by extension after top pulleys and be connected with jump bit, described extension hammer device vertically arranges, hang hammer device and also there is the guide wheel matching with the guide rail of column, hanging the hammer guide wheel of device and the guide wheel of jump bit is positioned on same vertical curve, described extension hammer device also has the hammer of extension oil cylinder, the top that hangs hammer device is provided with lifting pulley, bottom has dop, the cable wire of hoist engine is wound around this lifting pulley, after winding, be fixed on the top of column, hoist engine passes through cable wire, top pulleys and lifting pulley can drive extension hammer device to move up and down, described dop is connected with extension hammer oil cylinder, the top of described jump bit is provided with described and is connected the chuck that dop matches, dop can open or be closed under the control of extension hammer oil cylinder, can clamp gripper in the time of closure, drive jump bit synchronously to move up and down with this, after jump bit rises to certain altitude, hammering oil cylinder control dop into shape by extension opens jump bit is dropped, drop impact foundation pile to be detected under jump bit after dropping.
3. the foundation pile based on middle strain reflected according to claim 1 detects impact device, it is characterized in that: described column is also with the vertical slide rail arranging, the slide rail of column and the guide rail of column lay respectively at the both sides of column, slide rail is used for making column to move up and down, described column also has slide rail hoist cylinder, described slide rail hoist cylinder is fixedly mounted on main frame beam, slide rail hoist cylinder is connected with slide rail, described slide rail can vertically move up and down under slide rail hoist cylinder drives, thereby drives upright post vertical to move up and down.
4. the foundation pile based on middle strain reflected according to claim 1 detects impact device, it is characterized in that: described hoist engine is hydraulic winch.
5. the foundation pile based on middle strain reflected according to claim 1 detects impact device, it is characterized in that: described power set are diesel engine.
6. detect impact device according to the foundation pile based on middle strain reflected described in claim 1 to 5 any one, it is characterized in that: this equipment also has Athey wheel chassis, Athey wheel chassis is arranged on the below of main frame beam, be connected with main frame beam, Athey wheel chassis is also connected with power set, under power set drive, moves.
7. the foundation pile based on middle strain reflected according to claim 6 detects impact device, it is characterized in that: described supporting leg is four, be wherein front support leg near the two legs of column, two other leg is rear support leg, article four, supporting leg all has support oil cylinder separately, four support oil cylinders are connected with power set respectively, article four, supporting leg all can vertical telescopic moving under support oil cylinder drives, two described front support legs are also connected with respectively telescopic oil cylinder separately, described telescopic oil cylinder can drive front support leg overhanging, keep balance with adjustment equipment.
8. the foundation pile based on middle strain reflected according to claim 7 detects impact device, it is characterized in that: described all oblique settings of two telescopic oil cylinders, and two telescopic oil cylinders are symmetrical arranged centered by the center line of main frame beam, between the center line of telescopic oil cylinder and main frame beam, have slanted angle α, this slanted angle α is within the scope of 30 °～40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837201.8U CN203639958U (en) | 2013-12-17 | 2013-12-17 | Foundation pile impact detection equipment based on medium strain reflected wave method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837201.8U CN203639958U (en) | 2013-12-17 | 2013-12-17 | Foundation pile impact detection equipment based on medium strain reflected wave method |
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| Publication Number | Publication Date |
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| CN203639958U true CN203639958U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320837201.8U Expired - Lifetime CN203639958U (en) | 2013-12-17 | 2013-12-17 | Foundation pile impact detection equipment based on medium strain reflected wave method |
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| CN (1) | CN203639958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331035A (en) * | 2017-01-20 | 2018-07-27 | 侯伯贵 | Architecture foundation pile component pressure testing device that is foldable and integrally walking |
| CN110274769A (en) * | 2019-06-12 | 2019-09-24 | 湖南科技大学 | A kind of vehicle load displacement adaptive device of foundation ditch type vibration mechine |
-
2013
- 2013-12-17 CN CN201320837201.8U patent/CN203639958U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331035A (en) * | 2017-01-20 | 2018-07-27 | 侯伯贵 | Architecture foundation pile component pressure testing device that is foldable and integrally walking |
| CN110274769A (en) * | 2019-06-12 | 2019-09-24 | 湖南科技大学 | A kind of vehicle load displacement adaptive device of foundation ditch type vibration mechine |
| CN110274769B (en) * | 2019-06-12 | 2024-03-08 | 湖南科技大学 | Vehicle loading displacement adaptation device of foundation pit type vibration test bed |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG CONSTRUCTION ENGINEERING QUALITY SUPERVI Effective date: 20141120 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141120 Address after: 510500 martyrs East Road, Guangdong, Guangzhou No. 121 Patentee after: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH Patentee after: GUANGDONG PROVINCE CONSTRUCTION PROJECT QUALITY SAFETY SUPERVISION DETECTION MAIN STATION Address before: 510500 martyrs East Road, Guangdong, Guangzhou No. 121 Patentee before: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Patentee after: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH GROUP Co.,Ltd. Patentee after: GUANGDONG PROVINCE CONSTRUCTION PROJECT QUALITY SAFETY SUPERVISION DETECTION MAIN STATION Address before: 510500 martyrs East Road, Guangdong, Guangzhou No. 121 Patentee before: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH Patentee before: GUANGDONG PROVINCE CONSTRUCTION PROJECT QUALITY SAFETY SUPERVISION DETECTION MAIN STATION |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200707 Address after: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Co-patentee after: GUANGDONG CONSTRUCTION PROJECT QUALITY SAFETY INSPECTION STATION Co.,Ltd. Patentee after: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH GROUP Co.,Ltd. Address before: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Co-patentee before: GUANGDONG PROVINCE CONSTRUCTION PROJECT QUALITY SAFETY SUPERVISION DETECTION MAIN STATION Patentee before: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH GROUP Co.,Ltd. Effective date of registration: 20200707 Address after: 510599 first floor, Fengdong building, No.121, Xianlie East Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG CONSTRUCTION PROJECT QUALITY SAFETY INSPECTION STATION Co.,Ltd. Address before: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Co-patentee before: GUANGDONG CONSTRUCTION PROJECT QUALITY SAFETY INSPECTION STATION Co.,Ltd. Patentee before: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH GROUP Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |