CN114952658A - Quality detection equipment for engineering supervision - Google Patents

Quality detection equipment for engineering supervision Download PDF

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Publication number
CN114952658A
CN114952658A CN202210658454.2A CN202210658454A CN114952658A CN 114952658 A CN114952658 A CN 114952658A CN 202210658454 A CN202210658454 A CN 202210658454A CN 114952658 A CN114952658 A CN 114952658A
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China
Prior art keywords
rigid coupling
frame
motor
project supervision
sides
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Pending
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CN202210658454.2A
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Chinese (zh)
Inventor
孙建永
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Individual
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Individual
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Priority to CN202210658454.2A priority Critical patent/CN114952658A/en
Publication of CN114952658A publication Critical patent/CN114952658A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention relates to the field of project supervision, in particular to quality detection equipment for project supervision. The invention aims to provide quality detection equipment for engineering supervision, which can clamp columns, pipelines and walls in a building and is convenient for observing and detecting the quality of various objects in the building. The purpose of the invention is realized by the following technical scheme: the utility model provides a quality detection equipment for engineering supervision, including the test rack, solid fixed ring, motor I, the power pole, the driven lever, gear and shaft coupling, both sides rigid coupling respectively have a solid fixed ring around the test rack, the anterior rigid coupling of test rack downside has motor I, motor I is the biax motor, the rigid coupling has a power pole on two shaft couplings of motor I respectively, the left and right sides at test rack middle part is connected in the outside rotation respectively of two power poles, the left and right sides in the test rack bottom is connected in the both sides rotation respectively of driven lever.

Description

Quality detection equipment for engineering supervision
Technical Field
The invention relates to the field of project supervision, in particular to quality detection equipment for project supervision.
Background
The project supervision unit is one of the main bodies of the building market, and the construction project supervision is a high-intelligent paid technical service. Internationally, this class of service is classified as engineering advisory service. The construction project supervision of china belongs to the category of the owner's project management of international business, and carry out the equipment that quality detection was carried out to the building in the project supervision and have more differences, wherein on prior art, can be according to the length of the four shanks of the roughness adjustment on ground, make the supporting panel who places measuring tool be in the horizontality, place on the horizontally face in order to guarantee measuring tool, to can all can carry out the centre gripping to cylinder in the building, pipeline and wall in the project supervision, be convenient for carry out the interior object of diversified building and observe the quality and detect.
Disclosure of Invention
The invention aims to provide quality detection equipment for engineering supervision, which can clamp columns, pipelines and walls in a building and is convenient for observing and detecting the quality of various objects in the building.
The purpose of the invention is realized by the following technical scheme: the utility model provides a quality detection equipment is used in engineering supervision, including the test rack, gu fixed ring, motor I, the power rod, the driven lever, gear and shaft coupling, both sides rigid coupling respectively have a solid fixed ring around the test rack, the anterior rigid coupling of test rack downside has motor I, motor I is the biax motor, the rigid coupling has a power rod on two shaft couplings of motor I respectively, the left and right sides at test rack middle part is rotated respectively in the outside of two power rods, the both sides of driven lever rotate respectively and connect the left and right sides in the test rack bottom, the gear is equipped with four, two gears rigid coupling respectively are in the outside of two power rods, two gear rigid couplings are in the left and right sides of driven lever in addition, two gear intermeshing that are located the right side, be located left two gear intermeshing.
And four corners at the top of the detection frame are respectively and fixedly connected with a rotary seat.
Still include supporting frame, convex seat and centre gripping arc, supporting frame mirror symmetry is equipped with two, and the equal rigid coupling in middle part of every supporting frame has a convex seat, and the left and right sides of every supporting frame is equipped with a centre gripping arc respectively, and the upside of being located two centre gripping arcs on a supporting frame rigid coupling respectively is in the left and right sides of driven lever, and the upside of being located two centre gripping arcs on another supporting frame rigid coupling respectively is in the outside of two power bars.
The left side and the right side of each clamping frame are respectively provided with a long hole, and each clamping arc is provided with a square hole.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a part of the structure of the inspection rack of the present invention;
FIG. 2 is a partial schematic view of the clamping arc of the present invention;
FIG. 3 is a schematic view of a portion of the carriage of the present invention;
FIG. 4 is a schematic view of a portion of the construction of a right angle stand according to the present invention;
FIG. 5 is a schematic view of a part of the structure of the liquid storage barrel of the present invention;
FIG. 6 is an enlarged view of a portion of the structure of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of a portion of the cleaning barrel of the present invention;
FIG. 8 is a partial schematic structural view of the head of the present invention;
FIG. 9 is a schematic view I of the overall structure of the present invention;
FIG. 10 is a schematic diagram II of the overall structure of the present invention.
In the figure: a detection frame 101; a fixed ring 102; a motor I103; a power rod 104; a driven lever 105; a gear 106; a holder 107; a boss 108; a clamping arc 109;
an electric push rod 201; a carriage 202; a right angle frame 203; a strip plate 204; a loading hole 205;
a liquid storage barrel 301; a connecting tube 302; a limiting pipe 303;
an engagement frame 401; a slide bar 402; a lead screw 403; a motor II 404;
cleaning the barrel 501; a nozzle 502; a spray head 503.
Detailed Description
The part is according to the working process expressed in figures 1 and 2: the fixed rings 102 are two, the two fixed rings 102 are respectively fixedly connected to the front end and the rear end of the middle of the detection frame 101, the motor I103 is fixedly connected to the front portion of the lower side of the detection frame 101, the motor I103 is a double-shaft motor, two output shafts of the motor I103 are respectively fixedly connected with the two power rods 104 through two couplers, the left side and the right side of the middle of the detection frame 101 are respectively rotatably connected with the outer sides of the two power rods 104, the left side and the right side of the bottom of the detection frame 101 are respectively fixedly connected with two sides of a driven rod 105, the outer sides of the two power rods 104 are respectively fixedly connected with a gear 106, the left side and the right side of the driven rod 105 are respectively fixedly connected with a gear 106, the two gears 106 on the right side are mutually meshed, and the two gears 106 on the left side are mutually meshed.
Further, in order to facilitate clamping of a column, a pipeline and a wall in a building in engineering supervision and observation quality detection of various objects in the building, in use, the driving motor i 103 drives the two power rods 104 at two ends of the motor i 103 to rotate, and meanwhile, the two power rods 104 drive the two gears 106 located at outer sides of the two power rods 104 to rotate, so that the two gears 106 are meshed with the two gears 106 located on the driven rod 105, and the two gears 106 located on the driven rod 105 drive the driven rod 105 to rotate in the direction opposite to that of the two power rods 104, so that clamping opening and closing forces can be provided for clamping of the column, the pipeline and the wall in the building in subsequent engineering supervision, manpower is saved, and the efficiency of the automation degree is improved.
The part is according to the working process expressed in figures 1 and 2: four rotary bases are fixedly connected to the top end of the detection frame 101, and the four rotary bases are fixedly connected to four corners of the top of the detection frame 101 respectively.
To explain further, a rotary seat is fixedly connected to each of the four corners of the top of the detecting frame 101 for mounting a rotatable member.
The part is according to the working process expressed in figures 1 and 2: the holding frame 107 is equipped with two, two holding frame 107 mirror symmetry sets up, the boss 108 is equipped with two, two boss 108 rigid coupling respectively are at the middle part of two holding frames 107, the left and right sides of every holding frame 107 is equipped with a centre gripping arc 109 respectively, the tip of the driven lever 105 left and right sides rigid coupling respectively has the top of two centre gripping arcs 109 that are located on the holding frame 107, the tip in two power rod 104 outsides rigid coupling respectively has the top of two centre gripping arcs 109 that are located on another holding frame 107.
Further, when the quality of a certain position at a high position is detected by clamping a building inner column or a pipeline, under the condition of the driving motor I103, the two power rods 104 and the driven rod 105 rotate in opposite directions, so that clamping arcs 109 on the two power rods 104 and the driven rod 105 are close to each other, the building inner column or the pipeline is clamped, the building inner column with a large diameter can be clamped conveniently, simplicity and convenience are realized, and the firmness is improved.
The part is according to the working process expressed in figures 1 and 2: all be equipped with two rectangular holes on every holding frame 107, this rectangular hole is located the left and right sides of every holding frame 107, all is equipped with a square strip hole on every centre gripping arc 109, and this rectangular hole is located the middle part of every centre gripping arc 109 respectively.
Further explanation is made to facilitate improvement of the flexibility of the apparatus.
Still include electric putter 201, carriage 202, right-angle frame 203 and rectangular board 204, electric putter 201 is equipped with two, equal rigid coupling has a carriage 202 on every electric putter 201's the activity end, the left and right sides of every carriage 202 rigid coupling has a right-angle frame 203 respectively, equal rigid coupling has a rectangular board 204 on every right-angle frame 203, the rigid end of two electric putter 201 rigid couplings is respectively on two convex bases 108, the downthehole equal swing joint of rectangular on every holding frame 107 has the bottom of a right-angle frame 203, downthehole equal swing joint of square strip on every holding arc 109 has a rectangular board 204.
This part is according to the working procedure expressed in figures 3, 4, 9 and 10: electric putter 201 mirror symmetry is equipped with two, carriage 202 is equipped with two, two carriage 202 rigid couplings are served at the activity of two electric putter 201 respectively, right angle frame 203 is equipped with four, the left and right sides of every carriage 202 rigid coupling respectively has a right angle frame 203, rectangular board 204 is equipped with four, four rectangular board 204 rigid coupling respectively is in the upper end of four right angle frames 203, on every two convex seats 108 respectively the rigid coupling have two electric putter 201's stiff end, two rectangular board 203's bottom is swing joint respectively in two rectangular holes that are located the rear side holding frame 107 left and right sides, two rectangular board 203's bottom is swing joint respectively in two rectangular holes that are located the front side holding frame 107 left and right sides, two rectangular board 204 is swing joint respectively in the square hole that is located two centre gripping arcs 109 of front side, two rectangular board 204 is swing joint respectively in the square hole that is located two centre gripping arcs 109 of rear side.
Further, when the two clamping frames 107 are opened and closed to clamp the wall and the thin wall in the building during engineering supervision, the two clamping frames 107 are close to the wall and then drive the two sliding frames 202 on the two electric push rods 201 to enable the right-angle frames 203 on the two sides of each sliding frame 202 to slide in the two strip holes on the left side and the right side of the clamping frame 107, and simultaneously enable the strip plates 204 on the right-angle frames 203 to slide in the square holes on each clamping arc 109, so that the strip plates 204 at the four corners are fixed on the wall or the thin wall at a certain position in the building to perform quality detection, the detection diversity of the device is increased, and various columns, pipelines, walls and thin walls in the building can be clamped and fixed.
Each strip plate 204 is provided with a rough surface.
This part is according to the working procedure expressed in figures 3, 4, 9 and 10: the end surface of each strip plate 204 is provided with a rough surface.
To explain further, each strip 204 has a rough surface to improve the stability of the wall, thereby increasing the friction between the objects to be clamped.
2. The quality inspection apparatus for project supervision according to claim 6, wherein: the upper side of each strip plate 204 is provided with a top strip hole 205.
This part is according to the working procedure expressed in figures 3, 4, 9 and 10: the upper strip holes 205 are four, and the four upper strip holes 205 are respectively arranged on the upper sides of the four strip plates 204.
Further, the limit of the building inner wall body or the main body and the pipe body with unqualified quality of the mark can be conveniently installed.
Still include stock solution bucket 301, connecting pipe 302 and spacing pipe 303, stock solution bucket 301 is equipped with two, and every stock solution bucket 301's the left and right sides all communicates has a connecting pipe 302, and the equal rigid coupling in the outside of every connecting pipe 302 has a spacing pipe 303, and two stock solution buckets 301's middle part rigid couplings are on two solid fixed rings 102 respectively, and equal swing joint has a spacing pipe 303 in every last hole 205.
This part is according to the working procedure expressed in figures 5, 6, 9 and 10: every solid fixed ring 102 is last respectively the rigid coupling have a stock solution bucket 301, and connecting pipe 302 is equipped with four, and two connecting pipes 302 are fixed respectively and are linked together in the left and right sides of the stock solution bucket 301 that is located the front side, and two other connecting pipes 302 are fixed respectively and are linked together in the left and right sides of the stock solution bucket 301 that is located the rear side, and spacing pipe 303 is equipped with four, and four spacing pipes 303 are the rigid coupling respectively in the outside of four connecting pipes 302, and four connecting pipes 302 are sliding connection respectively in four last strip holes 205.
To explain further, when the detected quality of the building inner wall column and the thin wall at a certain position is not qualified, in order to mark the region, when the liquid storage barrel 301 is used, the colored paint is arranged in each liquid storage barrel 301 and is sprayed out through the connecting pipes 302 on two sides of each liquid storage barrel 301 to the positions of four corners of the detected building inner wall column and the thin wall at a certain position, so that the region is marked and replaced or maintained, each limiting pipe 303 can move on each upper hole 205, the position adjustment when the pipe body or the thin wall is marked is convenient to adjust, and the connecting pipes 302 are prevented from being blocked.
The two liquid storage barrels 301 are arranged in a mirror symmetry manner.
This part is according to the working procedure expressed in figures 5, 6, 9 and 10: the two liquid storage barrels 301 fixedly connected to the two fixing rings 102 are arranged in mirror symmetry.
To explain further, the two liquid storage barrels 301 are arranged in a mirror symmetry manner, so that pipe bodies or thin walls in a building can be conveniently marked from two sides, and a detection mark area is defined.
10. A quality check apparatus for project supervision according to claim 9, characterized in that: each of the connection pipes 302 is a rubber hose.
This part is according to the working procedure expressed in figures 5, 6, 9 and 10: the two connecting pipes 302 communicated with the two sides of the liquid storage barrel 301 are rubber hoses.
To explain further, each of the connection pipes 302 is a rubber hose to facilitate adjustment of the position of each of the connection pipes 302.
This part is according to the working procedure expressed in figures 7, 8, 9 and 10: the utility model provides a quality detection equipment is used in engineering supervision still includes meshing frame 401, slide bar 402, lead screw 403 and II 404 of motor, the front side threaded connection of meshing frame 401 bottom has lead screw 403, the rear side sliding connection of meshing frame 401 bottom has slide bar 402, the output shaft of II 404 of motor passes through shaft coupling and lead screw 403 rigid coupling, the both ends of lead screw 403 rotate respectively to be connected on two transposons that are located the front side, the both ends of slide bar 402 rigid coupling respectively are on two transposons that are located the rear side, II 404 rigid couplings of motor are on the right side at detection frame 101 top.
This part is according to the working procedure expressed in figures 7, 8, 9 and 10: the quality detection equipment for engineering supervision further comprises a cleaning barrel 501, spray pipes 502 and spray heads 503, wherein the spray pipes 502 are respectively fixed and communicated with the left side and the right side of the bottom of the cleaning barrel 501, the spray pipes 503 are respectively fixed and communicated with the outer side of each spray pipe 502, a plurality of small round holes are uniformly formed in each spray head 503, and the middle of the cleaning barrel 501 is fixedly connected to the middle of the upper side of the meshing frame 401.
Further, when the device is used, in order to clearly mark the pipelines, walls, columns and thin walls in the clamped building before marking, so that the device is convenient to identify, the position is firstly cleaned, the marking position is positioned on the left side and the right side of the detection frame 101, the driving motor II 404 drives the screw 403 to rotate, the meshing frame 401 moves on the screw 403, water liquid in the cleaning barrel 501 on the meshing frame 401 flows out from the spray pipes 502 on the two sides of the cleaning barrel 501, the spray nozzles 503 are further used for spraying the water mist in a diffusion mode, so that the marked position is cleaned in a decontamination mode, the marked area is clearer, and replacement or overhaul is convenient in time.

Claims (10)

1. The utility model provides a quality detection equipment for engineering supervision, includes test rack (101), solid fixed ring (102), motor I (103), power rod (104), driven lever (105), gear (106) and shaft coupling, its characterized in that: the front side and the rear side of a detection frame (101) are fixedly connected with a fixing ring (102) respectively, the front portion of the lower side of the detection frame (101) is fixedly connected with a motor I (103), the motor I (103) is a double-shaft motor, two shaft couplers of the motor I (103) are fixedly connected with a power rod (104) respectively, the outer sides of the two power rods (104) are rotatably connected to the left side and the right side of the middle of the detection frame (101) respectively, the two sides of a driven rod (105) are rotatably connected to the left side and the right side of the bottom of the detection frame (101) respectively, four gears (106) are arranged, the two gears (106) are fixedly connected to the outer sides of the two power rods (104) respectively, the other two gears (106) are fixedly connected to the left side and the right side of the driven rod (105), the two gears (106) on the right side are meshed with each other, and the two gears (106) on the left side are meshed with each other.
2. The quality inspection apparatus for project supervision according to claim 1, wherein: four corners of the top of the detection frame (101) are respectively and fixedly connected with a rotary seat.
3. The quality inspection apparatus for project supervision according to claim 1, wherein: still include holding frame (107), boss (108) and centre gripping arc (109), holding frame (107) mirror symmetry is equipped with two, the equal rigid coupling in middle part of every holding frame (107) has a boss (108), the left and right sides of every holding frame (107) is equipped with a centre gripping arc (109) respectively, the upside of two centre gripping arcs (109) that are located on a holding frame (107) is the left and right sides of rigid coupling at driven lever (105) respectively, the upside of two centre gripping arcs (109) that are located on another holding frame (107) is the outside of rigid coupling at two power bars (104) respectively.
4. A quality check apparatus for project supervision according to claim 3, characterized in that: the left side and the right side of each clamping frame (107) are respectively provided with a long hole, and each clamping arc (109) is provided with a square hole.
5. The quality inspection apparatus for project supervision according to claim 4, wherein: still include electric putter (201), carriage (202), right angle frame (203) and rectangular board (204), electric putter (201) are equipped with two, equal rigid coupling has one carriage (202) on the activity of every electric putter (201) is served, the left and right sides of every carriage (202) rigid coupling respectively has one right angle frame (203), equal rigid coupling has one rectangular board (204) on every right angle frame (203), the stiff end of two electric putter (201) rigid coupling respectively is on two convex seat (108), the downthehole equal swing joint of rectangular on every clamping frame (107) has the bottom of one right angle frame (203), downthehole equal swing joint of square strip on every centre gripping arc (109) has one rectangular board (204).
6. The quality inspection apparatus for project supervision according to claim 5, wherein: each strip plate (204) is provided with a rough surface.
7. The quality inspection apparatus for project supervision according to claim 6, wherein: the upper side of each strip plate (204) is provided with an upper strip hole (205).
8. The quality inspection apparatus for project supervision according to claim 7, wherein: still include stock solution bucket (301), connecting pipe (302) and spacing pipe (303), stock solution bucket (301) are equipped with two, and the both sides all communicate has one connecting pipe (302) about every stock solution bucket (301), and the equal rigid coupling in the outside of every connecting pipe (302) has one spacing pipe (303), and the middle part rigid coupling of two stock solution buckets (301) is on two solid fixed rings (102) respectively, and equal swing joint has one spacing pipe (303) in every last hole (205).
9. The quality inspection apparatus for project supervision according to claim 8, wherein: the two liquid storage barrels (301) are arranged in a mirror symmetry mode.
10. A quality check apparatus for project supervision according to claim 9, characterized in that: each connecting pipe (302) is a rubber hose.
CN202210658454.2A 2022-06-11 2022-06-11 Quality detection equipment for engineering supervision Pending CN114952658A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210658454.2A CN114952658A (en) 2022-06-11 2022-06-11 Quality detection equipment for engineering supervision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210658454.2A CN114952658A (en) 2022-06-11 2022-06-11 Quality detection equipment for engineering supervision

Publications (1)

Publication Number Publication Date
CN114952658A true CN114952658A (en) 2022-08-30

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CN202210658454.2A Pending CN114952658A (en) 2022-06-11 2022-06-11 Quality detection equipment for engineering supervision

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB738638A (en) * 1950-09-19 1955-10-19 Ernest Albert Cooke Improvements in or relating to apparatus for marking articles
CN112379048A (en) * 2020-11-06 2021-02-19 胡增永 Quick detecting system of electrical automation equipment based on big data
CN113370245A (en) * 2021-07-07 2021-09-10 北京理工大学 Mechanical arm clamp holder capable of automatically bending and returning
CN214393269U (en) * 2020-12-02 2021-10-15 杭州富阳飞宏机械有限公司 Horizontal machining center clamping workstation
CN215293893U (en) * 2021-03-20 2021-12-24 河南省建设科技协会 Pipeline for building heating
CN215448786U (en) * 2021-08-17 2022-01-07 韩正文 Reinforcing steel bar detector for monitoring quality of building engineering
CN215588952U (en) * 2021-08-25 2022-01-21 周博 Engineering detects uses auxiliary fixture

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB738638A (en) * 1950-09-19 1955-10-19 Ernest Albert Cooke Improvements in or relating to apparatus for marking articles
CN112379048A (en) * 2020-11-06 2021-02-19 胡增永 Quick detecting system of electrical automation equipment based on big data
CN214393269U (en) * 2020-12-02 2021-10-15 杭州富阳飞宏机械有限公司 Horizontal machining center clamping workstation
CN215293893U (en) * 2021-03-20 2021-12-24 河南省建设科技协会 Pipeline for building heating
CN113370245A (en) * 2021-07-07 2021-09-10 北京理工大学 Mechanical arm clamp holder capable of automatically bending and returning
CN215448786U (en) * 2021-08-17 2022-01-07 韩正文 Reinforcing steel bar detector for monitoring quality of building engineering
CN215588952U (en) * 2021-08-25 2022-01-21 周博 Engineering detects uses auxiliary fixture

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