CN213301734U - Civil engineering is with drilling sampling equipment - Google Patents
Civil engineering is with drilling sampling equipment Download PDFInfo
- Publication number
- CN213301734U CN213301734U CN202022189461.1U CN202022189461U CN213301734U CN 213301734 U CN213301734 U CN 213301734U CN 202022189461 U CN202022189461 U CN 202022189461U CN 213301734 U CN213301734 U CN 213301734U
- Authority
- CN
- China
- Prior art keywords
- clamping
- base
- hole
- drilling
- threaded
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a drilling sampling device for civil engineering, which comprises a drilling sampler and an adjusting base, wherein the drilling sampler is movably arranged on the upper end surface of the adjusting base, when a lifting upper rod is correspondingly clamped with a fixed base, the connection is stable and is not easy to shake, the lifting upper rod can rotate on the upper end surface of the fixed base, regular multiple groups of round holes can be drilled for sampling under certain special conditions, when the lifting upper rod or the fixed base is damaged, other same components can be taken for replacement, one part of the damaged parts is prevented from being completely replaced, a second threaded column is rotated by acting a rotating shaft to drive a clamping plate to move, namely, the drilling sampler is moved to one side inside a placing hole, the left-right distance of the drilling sampler can be finely adjusted at the moment, the aim of accurately searching the drilling position is achieved, and the stressed area of the fixed base is increased, the drilling sampler is prevented from toppling over, and the sliding of the adjusting mechanism block is easier due to the arrangement of the multiple groups of movable wheels.
Description
Technical Field
The utility model relates to a civil engineering drilling sample technical field specifically is a civil engineering is with drilling sampling equipment.
Background
Civil engineering is a general term for scientific technology for building various land engineering facilities. It refers to both the materials, equipment used and the technical activities carried out such as surveying, designing, construction, maintenance, repair, etc., as well as the objects of engineering construction. I.e. various engineering facilities such as houses, roads, railways, pipelines, tunnels, bridges, canals, dams, ports, power stations, airports, ocean platforms, water supply and drainage and protection projects, which are built on or under the ground, on land and directly or indirectly serve human life, production, military affairs and scientific research. The civil engineering refers to engineering entities for surveying, planning, designing, constructing, installing and maintaining various technical works and the like of newly-built, reconstructed or expanded buildings, structures, related supporting facilities and the like of various projects except house buildings.
Traditional drilling sampling equipment has the circular port of multiunit of can not regular beating under certain special circumstances, when the lifter broke down, can only trade the device together, and can not be meticulous the condition of moving drilling equipment about.
In order to solve the problems, the drilling sampling equipment for civil engineering is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a civil engineering is with drilling sampling equipment, including drilling sampler and regulation base, drilling sampler movable mounting is at the regulation base up end, can be regular round hole of beating the multiunit under certain special circumstances, when the lifter breaks down, need not change the device together, and can be meticulous remove drilling equipment about to the problem among the background has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: a drilling sampling device for civil engineering comprises a drilling sampling machine and an adjusting base, wherein the drilling sampling machine is movably arranged on the upper end surface of the adjusting base, the drilling sampling machine is provided with a lifting upper rod and a fixed base, and the lifting upper rod is arranged on the upper end surface of the fixed base;
the adjusting base is provided with a fixed base and an adjusting mechanism block, and the adjusting mechanism block is movably clamped on one side of the fixed base.
Preferably, the lifting upper rod is provided with a first clamping column, four groups of first threaded holes and four groups of second clamping columns, the first clamping columns are fixedly arranged on the lower end face of the lifting upper rod, the four groups of first threaded holes are fixedly arranged on the outer side of the first clamping columns, the second clamping columns are fixedly arranged on the lower end face of the lifting upper rod, and the length of each second clamping column is greater than that of each first clamping column.
Preferably, the fixed base is provided with clamping holes, first threaded columns and second threaded holes, the clamping holes are fixedly formed in the upper end face of the fixed base, the first threaded columns are provided with four groups, the four groups of the first threaded columns are fixedly formed in the outer side of the upper end face of the fixed base, the two groups of the second threaded holes are formed, and the two groups of the second threaded holes are fixedly formed in two sides of the fixed base.
Preferably, the clamping hole is provided with a first clamping round hole and a second clamping round hole, the first clamping round hole is fixedly arranged at the middle position inside the clamping hole, the second clamping round hole is fixedly arranged at the outer side position inside the clamping hole, and the depth of the first clamping round hole is larger than that of the second clamping round hole.
Preferably, unable adjustment base is provided with laying hole, sliding tray, centre gripping subassembly and component groove, and the laying hole is fixed to be seted up at unable adjustment base up end, and the sliding tray is fixed to be seted up inside laying hole, and the centre gripping subassembly sets up two sets ofly, two sets of centre gripping subassembly movable mounting in unable adjustment base both sides, the component groove is fixed to be seted up in unable adjustment base one side.
Preferably, the clamping assembly is provided with a rotating shaft, a second threaded column, a clamping plate and a T-shaped clamping block, the rotating shaft is fixedly installed on one side of the second threaded column, the clamping plate is movably installed on one side of the second threaded column, the second threaded column penetrates through the clamping plate and is in threaded connection with the inside of the second threaded hole, and the T-shaped clamping block is fixedly installed on the lower end face of the clamping plate and is movably clamped inside the sliding groove.
Preferably, the adjusting mechanism block is provided with four groups of sliding strips and push-pull blocks, the four groups of sliding strips are fixedly arranged on two sides and the inner wall of the adjusting mechanism block, and the push-pull blocks are movably clamped in the member grooves and fixedly arranged on one side of the adjusting mechanism block.
Preferably, the sliding strip is provided with movable wheels, the movable wheels are provided with a plurality of groups, and the plurality of groups of movable wheels are arranged on the upper side and the lower side of the sliding strip.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model provides a pair of civil engineering is with drilling sampling device, terminal surface under the lift upper boom through first block post fixed mounting, second block post fixed mounting is terminal surface under the lift upper boom, and the length of second block post is greater than the length of first block post, the fixed intermediate position of seting up in block hole in first block round hole, the fixed outside position of seting up in block hole in second block round hole, and the degree of depth in first block round hole is greater than the degree of depth in second block round hole, when the lift upper boom corresponds the block with the fixed baseplate, the comparison of connection is firm, and be difficult for rocking.
2. The utility model provides a pair of civil engineering is with drilling sampling equipment moves first screw thread post through twisting for first screw thread post and the separation of first screw thread hole, the upper boom that goes up and down this moment can rotate at fixed base up end, can drill out regular multiunit round hole under certain special circumstances and take a sample, and the upper boom that goes up and down this moment is separable with fixed baseplate, when upper boom or fixed baseplate that goes up and down damaged, can take other the same component to change, avoid partly damage to want comprehensive change.
3. The utility model provides a pair of civil engineering is with drilling sampling equipment places inside laying the hole through the drilling sampler, and second screw thread post runs through grip block threaded connection inside second screw thread hole this moment, and the axis of rotation that can act rotates second screw thread post and drives the grip block and remove, removes the drilling sampler to laying the inside one side in hole promptly, can finely tune the distance about the drilling sampler this moment, reaches the purpose of accurate seek drilling position.
4. The utility model provides a pair of drilling sampling equipment for civil engineering, construct piece activity block in unable adjustment base one side through adjusting, and push-and-pull piece activity block is in the component inslot portion, and fixed mounting constructs piece one side at the regulation, can act on the push-and-pull piece and make the regulation construct the piece and slide in unable adjustment base one side, when the drilling sampling machine during operation, construct the piece to slide to unable adjustment base inside with adjusting, when the drilling sampling machine is out of work, construct the piece to slide to unable adjustment base one side with adjusting, increase unable adjustment base's area of stress, avoid the drilling sampling machine of its up end to empty, and the setting of the movable wheel of multiunit, make the slip of adjusting the piece more easily.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the elevating upper rod of the present invention;
FIG. 3 is a schematic structural view of the fixing base of the present invention;
FIG. 4 is a schematic view of the structure of the fastening hole of the present invention;
FIG. 5 is a schematic view of the structure of the adjusting base of the present invention;
FIG. 6 is a schematic structural view of the clamping assembly of the present invention;
fig. 7 is an enlarged schematic view of a portion a in fig. 5 according to the present invention.
In the figure: 1. a drilling sampler; 11. lifting the upper rod; 111. a first snap post; 112. a first threaded hole; 113. a second snap post; 12. a fixed base; 121. clamping the hole; 1211. a first engaging circular hole; 1212. a second engaging round hole; 122. a first threaded post; 123. a second threaded hole; 2. adjusting the base; 21. a fixed base; 211. placing a hole; 212. a sliding groove; 213. a clamping assembly; 2131. a rotating shaft; 2132. a second threaded post; 2133. a clamping plate; 2134. a T-shaped clamping block; 214. a component slot; 22. adjusting the building blocks; 221. A slide bar; 2211. a movable wheel; 222. and (4) pushing and pulling the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a drilling sampling device for civil engineering comprises a drilling sampler 1 and an adjusting base 2, wherein the drilling sampler 1 is movably mounted on the upper end surface of the adjusting base 2.
Referring to fig. 2-4, a drilling and sampling device for civil engineering, a drilling and sampling machine 1 is provided with a lifting upper rod 11 and a fixed base 12, the lifting upper rod 11 is installed on the upper end surface of the fixed base 12, the lifting upper rod 11 is provided with a first engaging column 111, a first threaded hole 112 and a second engaging column 113, the first engaging column 111 is fixedly installed on the lower end surface of the lifting upper rod 11, the first threaded hole 112 is provided with four groups, the four groups of the first threaded hole 112 are fixedly arranged on the outer side of the first engaging column 111, the second engaging column 113 is fixedly installed on the lower end surface of the lifting upper rod 11, the length of the second engaging column 113 is larger than that of the first engaging column 111, the fixed base 12 is provided with an engaging hole 121, a first threaded column 122 and a second threaded hole 123, the engaging hole 121 is fixedly arranged on the upper end surface of the fixed base 12, the first threaded column 122 is provided with four groups, the four groups of the first threaded column 122 are fixedly arranged on the outer side of the upper end surface of the, two sets of second threaded holes 123 are provided, two sets of second threaded holes 123 are fixedly opened at two sides of the fixed base 12, the engaging hole 121 is provided with a first engaging circular hole 1211 and a second engaging circular hole 1212, the first engaging circular hole 1211 is fixedly opened at the middle position inside the engaging hole 121, the second engaging circular hole 1212 is fixedly opened at the outer side position inside the engaging hole 121, the depth of the first engaging circular hole 1211 is greater than the depth of the second engaging circular hole 1212, the first engaging circular hole 1211 is fixedly installed at the lower end surface of the lifting upper rod 11 through the first engaging column 111, the second engaging column 113 is fixedly installed at the lower end surface of the lifting upper rod 11, the length of the second engaging column 113 is greater than the length of the first engaging column 111, the first engaging circular hole 1211 is fixedly opened at the middle position inside the engaging hole 121, the second engaging circular hole 1212 is fixedly opened at the outer side position inside the engaging hole 121, and the depth of the first engaging circular hole 1211 is greater than the depth of the second engaging circular hole 1212, when the lifting upper rod 11 is correspondingly clamped with the fixed base 12, the connection is stable and is not easy to shake, the first threaded column 122 is screwed to separate the first threaded column 122 from the first threaded hole 112, the lifting upper rod 11 can rotate on the upper end face of the fixed base 12 at the moment, regular multiple groups of circular holes can be drilled for sampling under certain special conditions, the lifting upper rod 11 can be separated from the fixed base 12 at the moment, and when the lifting upper rod 11 or the fixed base 12 is damaged, other same components can be taken for replacement, so that the situation that part of the damaged components needs to be replaced comprehensively is avoided.
Referring to fig. 5-7, a drilling sampling device for civil engineering, an adjusting base 2 is provided with a fixing base 21 and an adjusting member 22, the adjusting member 22 is movably clamped at one side of the fixing base 21, the fixing base 21 is provided with a placing hole 211, a sliding groove 212, a clamping component 213 and a member groove 214, the placing hole 211 is fixedly arranged at the upper end surface of the fixing base 21, the sliding groove 212 is fixedly arranged in the placing hole 211, the clamping components 213 are provided with two groups, the two groups of clamping components 213 are movably arranged at two sides of the fixing base 21, the member groove 214 is fixedly arranged at one side of the fixing base 21, the clamping component 213 is provided with a rotating shaft 2131, a second threaded column 2132, a clamping plate 2133 and a T-shaped clamping block 2134, the rotating shaft 2131 is fixedly arranged at one side of the second threaded column 2132, the clamping plate 2133 is movably arranged at one side of the second threaded column 2132, the second threaded column 2132 penetrates through the clamping plate 2133, the T-shaped clamping block 2134 is fixedly arranged on the lower end face of the clamping plate 2133 and movably clamped in the sliding groove 212, the adjusting member 22 is provided with four groups of sliding strips 221, the four groups of sliding strips 221 are fixedly arranged on two sides and the inner wall of the adjusting member 22, the push-pull block 222 is movably clamped in the member groove 214 and is fixedly arranged on one side of the adjusting member 22, the sliding strips 221 are provided with movable wheels 2211, the movable wheels 2211 are provided with a plurality of groups, the plurality of groups of movable wheels 2211 are arranged on the upper side and the lower side of the sliding strips 221, the drilling sampler 1 is arranged in the mounting hole 211, the second threaded column 2132 penetrates through the clamping plate 2133 and is connected in the second threaded hole 123 in a threaded manner, the rotating shaft 2131 can be used for rotating the second threaded column 2132 to drive the clamping plate 2133 to move, namely the drilling sampler 1 moves towards one side in the mounting hole 211, and then the left-right distance of the drilling sampler 1, reach the purpose of accurate seek drilling position, through adjusting the movable block of mechanism 22 block in unable adjustment base 21 one side, and push-and-pull piece 222 movable block is inside component groove 214, and fixed mounting is in adjusting mechanism 22 one side, can act on push-and-pull piece 222 and make and adjust mechanism 22 and slide in unable adjustment base 21 one side, when drilling sampler 1 during operation, will adjust mechanism 22 and slide to unable adjustment base 21 inside, when drilling sampler 1 is out of work, will adjust mechanism 22 and slide to unable adjustment base 21 one side, increase the area of stress of unable adjustment base 21, avoid drilling sampler 1 of its up end to topple over, and the setting of multiunit movable wheel 2211, make the slip of adjusting mechanism 22 easier.
In summary, the following steps: the utility model relates to a drilling sampling device for civil engineering, including drilling sampler 1 and regulation base 2, drilling sampler 1 movable mounting is in adjusting base 2 up end, through first block post 111 fixed mounting under lift upper boom 11 terminal surface, second block post 113 fixed mounting under lift upper boom 11 terminal surface, and the length of second block post 113 is greater than the length of first block post 111, first block round hole 1211 is fixed to be seted up at the inside intermediate position of block hole 121, second block round hole 1212 is fixed to be set up at the inside outside position of block hole 121, and the degree of depth of first block round hole 1211 is greater than the degree of depth of second block round hole 1212, when lift upper boom 11 corresponds the block with fixed base 12, the connection is more firm, and difficult the rocking, through twisting first screw thread post 122, make first screw thread post 122 separate with first screw thread hole 112, lift upper boom 11 can rotate at fixed base 12 up end at this moment, the drilling sampling machine can drill regular multiple groups of circular holes for sampling under certain special conditions, the lifting upper rod 11 and the fixed base 12 can be separated at the moment, when the lifting upper rod 11 or the fixed base 12 is damaged, other same components can be taken for replacement to avoid the situation that part of the lifting upper rod is damaged and needs to be replaced completely, the drilling sampling machine 1 is placed in the placing hole 211, the second threaded column 2132 penetrates through the clamping plate 2133 to be connected in the second threaded hole 123 in a threaded mode, the rotating shaft 2131 can act to rotate the second threaded column 2132 to drive the clamping plate 2133 to move, namely, the drilling sampling machine 1 moves towards one side in the placing hole 211, the left-right distance of the drilling sampling machine 1 can be finely adjusted at the moment, the purpose of accurately searching the drilling position is achieved, the adjusting component block 22 is movably clamped on one side of the fixed base 21, the push-pull block 222 is movably clamped in the component groove 214 and is fixedly arranged on, can act on push-and-pull piece 222 and make and adjust the structure piece 22 and slide in unable adjustment base 21 one side, when drilling sampler 1 during operation, will adjust the structure piece 22 and slide to unable adjustment base 21 inside, when drilling sampler 1 is out of work, will adjust the structure piece 22 and slide to unable adjustment base 21 one side, increase unable adjustment base 21's lifting surface area, avoid the drilling sampler 1 of its up end to topple over, and the setting of multiunit movable wheel 2211 for it is easier to adjust the slip of structure piece 22.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a civil engineering is with drilling sampling equipment, includes drilling sampler (1) and adjusts base (2), drilling sampler (1) movable mounting is adjusting base (2) up end, its characterized in that: the drilling sampler (1) is provided with a lifting upper rod (11) and a fixed base (12), and the lifting upper rod (11) is arranged on the upper end face of the fixed base (12);
the adjusting base (2) is provided with a fixed base (21) and an adjusting mechanism block (22), and the adjusting mechanism block (22) is movably clamped on one side of the fixed base (21).
2. The borehole sampling apparatus for civil engineering as recited in claim 1, wherein: the lifting upper rod (11) is provided with a first clamping column (111), first thread holes (112) and second clamping columns (113), the first clamping column (111) is fixedly installed on the lower end face of the lifting upper rod (11), the first thread holes (112) are provided with four groups, the four groups of the first thread holes (112) are fixedly arranged on the outer side of the first clamping column (111), the second clamping column (113) is fixedly installed on the lower end face of the lifting upper rod (11), and the length of the second clamping column (113) is larger than that of the first clamping column (111).
3. The borehole sampling apparatus for civil engineering as recited in claim 1, wherein: the fixing base (12) is provided with clamping holes (121), first threaded columns (122) and second threaded holes (123), the clamping holes (121) are fixedly formed in the upper end face of the fixing base (12), the first threaded columns (122) are provided with four groups, the four groups of the first threaded columns (122) are fixedly formed in the outer side of the upper end face of the fixing base (12), the two groups of the second threaded holes (123) are formed, and the two groups of the second threaded holes (123) are fixedly formed in the two sides of the fixing base (12).
4. A civil engineering boring sampling device according to claim 3, characterized in that: the clamping hole (121) is provided with a first clamping circular hole (1211) and a second clamping circular hole (1212), the first clamping circular hole (1211) is fixedly arranged at the middle position inside the clamping hole (121), the second clamping circular hole (1212) is fixedly arranged at the outer side position inside the clamping hole (121), and the depth of the first clamping circular hole (1211) is larger than that of the second clamping circular hole (1212).
5. The borehole sampling apparatus for civil engineering as recited in claim 1, wherein: unable adjustment base (21) are provided with and lay hole (211), sliding tray (212), centre gripping subassembly (213) and component groove (214), lay hole (211) and fix and set up in unable adjustment base (21) up end, and sliding tray (212) are fixed to be set up inside laying hole (211), and centre gripping subassembly (213) set up two sets ofly, two sets of centre gripping subassembly (213) movable mounting in unable adjustment base (21) both sides, and component groove (214) are fixed to be set up in unable adjustment base (21) one side.
6. The borehole sampling apparatus for civil engineering as recited in claim 5, wherein: the clamping assembly (213) is provided with a rotating shaft (2131), a second threaded column (2132), a clamping plate (2133) and a T-shaped clamping block (2134), the rotating shaft (2131) is fixedly installed on one side of the second threaded column (2132), the clamping plate (2133) is movably installed on one side of the second threaded column (2132), the second threaded column (2132) penetrates through the clamping plate (2133) and is in threaded connection with the interior of the second threaded hole (123), and the T-shaped clamping block (2134) is fixedly installed on the lower end face of the clamping plate (2133) and is movably clamped in the interior of the sliding groove (212).
7. The borehole sampling apparatus for civil engineering as recited in claim 1, wherein: the adjusting mechanism block (22) is provided with sliding strips (221) and push-pull blocks (222), the sliding strips (221) are arranged in four groups, the four groups of sliding strips (221) are fixedly arranged on two sides and the inner wall of the adjusting mechanism block (22), and the push-pull blocks (222) are movably clamped inside the member grooves (214) and fixedly arranged on one side of the adjusting mechanism block (22).
8. The borehole sampling apparatus for civil engineering as recited in claim 7, wherein: the sliding strip (221) is provided with movable wheels (2211), the movable wheels (2211) are provided with a plurality of groups, and the movable wheels (2211) are arranged on the upper side and the lower side of the sliding strip (221).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022189461.1U CN213301734U (en) | 2020-09-29 | 2020-09-29 | Civil engineering is with drilling sampling equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022189461.1U CN213301734U (en) | 2020-09-29 | 2020-09-29 | Civil engineering is with drilling sampling equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213301734U true CN213301734U (en) | 2021-05-28 |
Family
ID=76010727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022189461.1U Expired - Fee Related CN213301734U (en) | 2020-09-29 | 2020-09-29 | Civil engineering is with drilling sampling equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213301734U (en) |
-
2020
- 2020-09-29 CN CN202022189461.1U patent/CN213301734U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207720668U (en) | A kind of adjustable ground auger | |
RU2010134363A (en) | METHOD AND DEVICE FOR DRILLING AUXILIARY PITS | |
CN210032534U (en) | Civil engineering construction support | |
CN213301734U (en) | Civil engineering is with drilling sampling equipment | |
CN210104755U (en) | Double-row support frame for deep foundation pit | |
CN210636773U (en) | Civil engineering wall brick builds auxiliary device | |
CN213055432U (en) | Drilling location auxiliary device for civil engineering | |
CN215927253U (en) | Anti-splash drilling device for highway bridge construction | |
CN114775655A (en) | Highway slope anchoring and reinforcing device | |
CN219931008U (en) | Side wall support plate for foundation construction | |
CN219011351U (en) | Soil breaker with protective structure | |
CN211777166U (en) | Movable connecting frame for water prevention and control of ground survey | |
CN216341880U (en) | Drilling rig for building engineering planning and design | |
CN218176661U (en) | Civil engineering building templates link | |
CN217204082U (en) | Civil engineering pile foundation construction structures | |
CN216558948U (en) | On-spot multi-functional reconnaissance device that architectural design used | |
CN113503025A (en) | Connecting frame convenient to detach and used for civil engineering | |
CN219711046U (en) | Node connection structure of assembled concrete building | |
CN216461850U (en) | Panel perforating device for civil engineering | |
CN215564706U (en) | Novel civil and industrial building wall body reinforcing device | |
CN212531997U (en) | Self-driven civil engineering machine | |
CN217629900U (en) | Civil engineering Cheng Zhuangji fixed knot constructs | |
CN217129441U (en) | Drill bit for engineering geological drilling | |
CN212931952U (en) | A soil sampling device for civil engineering | |
CN220815546U (en) | High-precision drilling device for geotechnical engineering survey |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210528 Termination date: 20210929 |