CN110779798A - Construction site engineering quality supervision auxiliary detection device and method - Google Patents

Construction site engineering quality supervision auxiliary detection device and method Download PDF

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Publication number
CN110779798A
CN110779798A CN201911098776.0A CN201911098776A CN110779798A CN 110779798 A CN110779798 A CN 110779798A CN 201911098776 A CN201911098776 A CN 201911098776A CN 110779798 A CN110779798 A CN 110779798A
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detection
frame
cross beam
detection device
construction site
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CN201911098776.0A
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王辉
毛淑南
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/06Special adaptations of indicating or recording means
    • G01N3/062Special adaptations of indicating or recording means with mechanical indicating or recording means

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The invention relates to auxiliary detection equipment and method for engineering quality supervision in a building construction site. The invention can solve the problems that the existing cross beam has poor detection effect and inaccurate detection, the detection result cannot be effectively and accurately recorded, the judgment of a detection person on the tensile strength of the cross beam is influenced, and meanwhile, when the deformation quantity of the cross beam is drawn by the existing equipment through a detection pen, the detection pen cannot be protected normally, the end part of the detection pen is dry after long-time use, the next use of the detection pen is influenced, and the like.

Description

Construction site engineering quality supervision auxiliary detection device and method
Technical Field
The invention relates to the field of building detection equipment, in particular to auxiliary detection equipment and method for engineering quality supervision of a building construction site.
Background
The beam is a member which bears vertical load and mainly bends. The beams are generally horizontally disposed to support the panels and to bear various vertical loads from the panels and the weight of the beams, which together form the floor and roof structure of the building. Compared with other transverse stressed structures (such as trusses, arches and the like), the beam has poorer stress performance, but is simple to analyze and convenient to manufacture, so that the beam is still widely applied to small and medium-span buildings.
At present, when the existing building beam column is detected, the following defects generally exist: 1. when the existing cross beam is detected, the detection effect is poor, the detection is inaccurate, the detection result cannot be effectively and accurately recorded, and the judgment of a detector on the tensile strength of the cross beam is influenced; 2. when the deformation quantity of a cross beam is drawn through a detection pen, the existing equipment cannot protect the detection pen generally, is not used for a long time, and easily causes the end part of the detection pen to be dry, so that the next use of the detection pen is influenced.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing cross beam has poor detection effect and inaccurate detection, the detection result cannot be effectively and accurately recorded, the judgment of a detection person on the tensile strength of the cross beam is influenced, and meanwhile, when the deformation quantity of the cross beam is drawn by the existing equipment through a detection pen, the detection pen cannot be protected normally, the end part of the detection pen is dry after long-time use, the next use of the detection pen is influenced, and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the auxiliary detection equipment for the engineering quality supervision of the construction site comprises a bottom plate, a pulling device and a detection device, wherein the pulling device is installed in the middle of the upper end of the bottom plate, the detection device is arranged above the pulling device, and the detection device is installed on the bottom plate.
Detection device including adjusting the pole, the crossbeam frame, detection mechanism, sealing mechanism and adjustment mechanism, bottom plate upper end symmetry install the regulation pole, install the crossbeam frame between the regulation pole upper end, the inside cavity that is provided with of crossbeam frame, detection mechanism is evenly installed to the inside front side of cavity, install sealing mechanism in the middle of the cavity is inside, sealing mechanism hugs closely with detection mechanism inboard, adjustment mechanism is installed to the inside rear end of cavity, adjustment mechanism is connected with sealing mechanism through wire rope, concrete during operation, the manual work drives the crossbeam frame through adjusting the pole and removes to spaning the roof beam lower extreme, make detection mechanism upper end and crossbeam frame lower extreme just hug closely, when spaning the roof beam and taking place deformation, detection mechanism can draw the deformation of spaning the roof beam on the hard board in adjustment mechanism, and then can demonstrate the deformation of spaning the roof beam effectively.
The detection mechanism include detection needle, linear bearing, expanding spring, sliding plate and detection pen, the crossbeam frame on evenly be provided with the through-hole, through-hole internally mounted has linear bearing, linear bearing is inside to be connected with the detection needle through sliding fit's mode, the detection needle lower extreme is installed at the sliding plate, the sliding plate is connected with the spout on the crossbeam frame through sliding fit's mode, be located and install expanding spring on the detection needle between sliding plate and the crossbeam frame, the sliding plate inboard is provided with the jack, the inside detection pen of pegging graft of jack, when crossing the roof beam and drawing and taking place deformation, it drives the sliding plate downstream to cross the roof beam through detecting the needle, the detection pen of sliding plate tip and then can be with the accurate drawing of the deformation volume of crossing the roof beam on the cardboard.
As a preferred technical scheme of the invention, the pulling device comprises an installation plate, a driving motor, a winding frame, a steel wire rope and pulling cloth, wherein the installation plate is installed in the middle of the upper end of the bottom plate through a screw, the driving motor is installed on the right side of the upper end of the installation plate through a motor base, the driving motor is connected with the winding frame through a speed reducer, the winding frame is installed in the middle of the upper end of the installation plate, the steel wire rope is uniformly wound on the winding frame, the pulling cloth is installed on the upper end of the steel wire rope, and during specific work, the driving motor drives the pulling cloth to move downwards through the steel wire rope, so that the pulling.
As a preferred technical scheme, the adjusting mechanism comprises an adjusting rod, a threaded seat, a moving frame, a limiting rod and a pressing branched chain, a mounting hole is formed in the crossbeam frame, the threaded seat is mounted in the mounting hole, the adjusting rod is connected inside the threaded seat in a threaded fit mode, the moving frame is mounted on the inner side of the adjusting rod through a bearing and located inside the cavity, the limiting rod is symmetrically mounted on the outer side of the moving frame, the limiting rod is connected with a connecting hole in the crossbeam frame in a sliding fit mode, a groove is formed in the inner side of the moving frame, the pressing branched chain is mounted inside the groove, during specific work, the moving frame is driven to move inwards through the adjusting rod manually, the limiting rod can play a role in limiting the moving frame, and when the moving frame moves inwards, the moving frame pulls the sealing mechanism through a steel wire.
As a preferred technical scheme of the invention, the sealing mechanism comprises a telescopic rod, a connecting spring and a sealing seat, the telescopic rod is symmetrically arranged in the cavity, the connecting spring is arranged on the outer side of the telescopic rod, the sealing seat is arranged on the inner side of the telescopic rod and is connected with the adjusting mechanism through a steel wire rope, when the adjusting mechanism rotates during specific work, the steel wire rope drives the sealing seat to move outwards, the sealing seat is further separated from the end part of the detection pen, the detection pen is convenient to contact with a hardboard on the movable frame, meanwhile, the sealing seat can seal the detection pen, the phenomenon that the detection pen is dry due to long-time non-use is prevented, and the detection of the cross beam is facilitated.
As a preferred technical scheme of the invention, the pressing branched chain comprises a pressing plate and a compression spring, the pressing plate is connected inside the groove in a sliding fit manner, the compression spring is arranged between the inner side of the pressing plate and the moving frame, and a hard board is arranged between the outer side of the pressing plate and the moving frame.
As a preferable technical scheme, the sealing seat is of a rectangular structure, the arc-shaped groove is formed in the sealing seat, the spongy cushion is arranged in the arc-shaped groove and matched with the end part of the detection pen, and the spongy cushion can prevent the end part of the detection pen from being dried up.
In a preferred embodiment of the present invention, the pulling cloth is woven from high-strength fibers, and a wear-resistant rubber pad is disposed inside the fixing frame.
In addition, the invention also provides a using method of the construction site engineering quality supervision auxiliary detection equipment, which comprises the following steps:
s1, firstly, manually installing the bottom plate on the ground, then placing pulling cloth in the middle of the upper end of the cross beam, and then connecting the pulling cloth with a winding frame through a steel wire rope;
s2, manually driving the cross beam frame to move to the lower end of the cross beam frame through the adjusting rod to enable the upper end of the detection mechanism to be just attached to the lower end of the cross beam frame, then rotating the adjusting mechanism, driving the two sealing seats to separate through the steel wire rope by the adjusting mechanism, and enabling the moving frame to move inwards to be attached to the detection pen;
s3, starting a driving motor, driving a winding frame to rotate by the driving motor through a reduction gearbox, and stretching a cross beam downwards by a steel wire rope on the winding frame through pulling cloth;
s4, when the cross beam is deformed due to stress, the cross beam extrudes the detection needle to move downwards, the detection needle further drives the detection pen to draw a deformation track on the hardboard, and then the deformation amount of the cross beam under certain tension can be obtained.
(III) advantageous effects
1. According to the auxiliary detection equipment and method for monitoring the engineering quality of the building construction site, the detection device can effectively detect the deformation quantity when the cross beam is pulled, the detection effect is good, the detection is accurate, the deformation quantity of the cross beam can be directly displayed, and the analysis by detection personnel is facilitated;
2. according to the auxiliary detection equipment and method for monitoring the engineering quality of the building construction site, the end part of the detection pen can be sealed by the sealing mechanism, so that the phenomenon that the end part is dry due to the fact that the detection pen is not used for a long time is avoided, meanwhile, the sealing mechanism can prevent the detection pen from being in contact with a hard board before detection, and the detection accuracy of the cross beam can be effectively guaranteed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic cross-sectional view of the cross-beam, sensing mechanism and sealing mechanism of the present invention;
fig. 3 is a schematic structural diagram of the cross beam frame, the detection mechanism, the sealing mechanism and the adjusting mechanism.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 3, the auxiliary detection equipment for the engineering quality supervision of the construction site comprises a bottom plate 1, a pulling device 2 and a detection device 3, wherein the pulling device 2 is installed in the middle of the upper end of the bottom plate 1, the detection device 3 is arranged above the pulling device 2, and the detection device 3 is installed on the bottom plate 1.
Dragging device 2 include mounting panel 21, driving motor 22, winding frame 23, wire rope 24 and drag and draw cloth 25, 1 upper end middle part of bottom plate have mounting panel 21 through the screw mounting, driving motor 22 is installed through the motor cabinet on mounting panel 21 upper end right side, driving motor 22 pass through reduction gear 23 and be connected with winding frame 24, winding frame 24 is installed in mounting panel 21 upper end middle part, evenly twine on winding frame 24 has wire rope 24, wire rope 24 upper end is installed and is dragged and draw cloth 25, drag and draw cloth 25 and weave by high strength fiber and form, mount 25 inboard is provided with wear-resisting rubber pad, specific during operation, driving motor 22 drives through wire rope 24 and draws cloth 25 downstream of dragging, draw cloth 25 and then can exert pressure to crossing the roof beam middle part.
The detection device 3 comprises an adjusting rod 31, a cross beam frame 32, a detection mechanism 33, a sealing mechanism 34 and an adjusting mechanism 35, the upper end of the bottom plate 1 is symmetrically provided with adjusting rods 31, a cross beam frame 32 is arranged between the upper ends of the adjusting rods 31, a cavity is arranged in the cross beam frame 32, a detection mechanism 33 is uniformly arranged at the front side in the cavity, a sealing mechanism 34 is arranged in the middle in the cavity, the sealing mechanism 34 is tightly attached to the inner side of the detection mechanism 33, an adjusting mechanism 35 is arranged at the rear end in the cavity, the adjusting mechanism 35 is connected with the sealing mechanism 34 through a steel wire rope, when the device works, manually driving the cross beam frame 32 to move to the lower end of the cross beam through the adjusting rod 31, so that the upper end of the detection mechanism 33 is just attached to the lower end of the cross beam frame 32, when the cross beam deforms, the detection mechanism 33 can draw the deformation of the cross beam on the hard board in the adjusting mechanism 35, and therefore the deformation of the cross beam can be effectively displayed.
The detection mechanism 33 comprises detection needles 331, linear bearings 332, extension springs 333, sliding plates 334 and detection pens 335, through holes are uniformly formed in the crossbeams 32, the linear bearings 332 are mounted in the through holes, the detection needles 331 are connected to the linear bearings 332 in a sliding fit mode, the lower ends of the detection needles 331 are mounted on the sliding plates 334, the sliding plates 334 are connected with sliding grooves in the crossbeams 32 in a sliding fit mode, the extension springs 333 are mounted on the detection needles 331 located between the sliding plates 334 and the crossbeams 32, insertion holes are formed in the inner sides of the sliding plates 334, the detection pens 335 are inserted into the insertion holes, when the cross beam deforms due to tension in specific work, the cross beam drives the sliding plates 334 to move downwards through the detection needles 331, and the detection pens 335 at the ends of the sliding plates 334 can further draw deformation of the cross beam on the cardboard accurately.
Sealing mechanism 34 include telescopic link 341, coupling spring 342 and seal receptacle 343, the inside symmetry of cavity install telescopic link 341, the telescopic link 341 outside is provided with coupling spring 342, seal receptacle 343 is installed to telescopic link 341 inboard, seal receptacle 343 is connected with adjustment mechanism 35 through wire rope, in concrete during operation, when adjustment mechanism 35 rotates, wire rope drives seal receptacle 343 outside motion, seal receptacle 343 and then separates with detection pen 335 tip, be convenient for detection pen 335 contacts with the hardboard on the removal frame, seal receptacle 343 can seal detection pen 335 simultaneously, prevent that detection pen 335 from not using the phenomenon that leads to withering for a long time and taking place, do benefit to the detection of crossing the roof beam.
The seal receptacle 343 be the rectangle structure, the inside arc wall that is provided with of seal receptacle 343, the inside foam-rubber cushion that is provided with of arc wall, the arc wall cooperatees with detection pen 335 tip, the foam-rubber cushion can prevent a bit that detection pen 335 tip from taking place the phenomenon of withering
The adjusting mechanism 35 comprises an adjusting rod 351, a threaded seat 352, a moving frame 353, a limiting rod 354 and a pressing branched chain 355, wherein a mounting hole is formed in the crossbeam frame 32, the threaded seat 352 is mounted in the mounting hole, the adjusting rod 351 is connected to the inside of the threaded seat 352 in a threaded fit mode, the moving frame 353 is mounted on the inner side of the adjusting rod 351 through a bearing, the moving frame 353 is located in a cavity, the limiting rods 354 are symmetrically mounted on the outer side of the moving frame 353, the limiting rods 354 are connected with a connecting hole in the crossbeam frame 32 in a sliding fit mode, grooves are formed in the inner side of the moving frame 353, the pressing branched chain 355 is mounted in the grooves, during specific work, the moving frame 353 is driven to move inwards through the adjusting rod 351 manually, the limiting rod 354 can play a role in limiting the moving frame 353, and when the moving frame 353 moves inwards, the moving.
Compress tightly branched chain 355 include pressure strip 3551 and compression spring 3552, the inside pressure strip 3551 that is connected with through sliding fit's mode of recess, pressure strip 3551 inboard and remove and be provided with compression spring 3552 between the frame 353, the pressure strip 3551 outside and remove and be provided with the hardboard between the frame 353, concrete during operation, pressure strip 3551 can guarantee that the hardboard hugs closely with removing frame 353 all the time, guarantee that test pen 335 can accurately draw out the deformation orbit of crossing the roof beam on the hardboard, guarantee to cross the accuracy that the roof beam detected.
In addition, the invention also provides a using method of the construction site engineering quality supervision auxiliary detection equipment, which comprises the following steps:
s1, firstly, manually installing the bottom plate 1 on the ground, then placing the pulling cloth 25 in the middle of the upper end of the cross beam, and then connecting the pulling cloth 25 with the winding frame 23 through the steel wire rope 24;
s2, manually driving the cross beam frame 32 to move to the lower end of the cross beam through the adjusting rod 31, enabling the upper end of the detection mechanism 33 to be just attached to the lower end of the cross beam frame 32, then rotating the adjusting mechanism 35, enabling the adjusting mechanism 35 to drive the two sealing seats 343 to separate through a steel wire rope, and enabling the moving frame 353 to move inwards to be attached to the detection pen 335;
s3, starting the driving motor 22, driving the winding frame 23 to rotate by the driving motor 22 through the reduction gearbox, and stretching the cross beam downwards by the steel wire rope 24 on the winding frame 23 through the pulling cloth 25;
s4, when the cross beam is deformed due to stress, the cross beam extrudes the detection needle 331 to move downwards, and the detection needle 331 further drives the detection pen 335 to draw a deformation track on the hardboard, so that the deformation amount of the cross beam under certain tension can be obtained.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a supplementary check out test set of construction site engineering quality supervision, includes bottom plate (1), draws and drag device (2) and detection device (3), its characterized in that: the middle part of the upper end of the bottom plate (1) is provided with a pulling device (2), a detection device (3) is arranged above the pulling device (2), and the detection device (3) is arranged on the bottom plate (1); wherein:
the detection device (3) comprises an adjusting rod (31), a cross beam frame (32), a detection mechanism (33), a sealing mechanism (34) and an adjusting mechanism (35), wherein the adjusting rod (31) is symmetrically installed at the upper end of the bottom plate (1), the cross beam frame (32) is installed between the upper ends of the adjusting rod (31), a cavity is formed in the cross beam frame (32), the detection mechanism (33) is uniformly installed on the front side in the cavity, the sealing mechanism (34) is installed in the middle in the cavity, the sealing mechanism (34) is tightly attached to the inner side of the detection mechanism (33), the adjusting mechanism (35) is installed at the rear end in the cavity, and the adjusting mechanism (35) is connected with the sealing mechanism (34) through;
the detection mechanism (33) comprises detection needles (331), linear bearings (332), extension springs (333), a sliding plate (334) and detection pens (335), through holes are uniformly formed in a cross beam frame (32), the linear bearings (332) are installed in the through holes, the detection needles (331) are connected to the inside of the linear bearings (332) in a sliding fit mode, the lower ends of the detection needles (331) are installed on the sliding plate (334), the sliding plate (334) is connected with sliding grooves in the cross beam frame (32) in a sliding fit mode, the extension springs (333) are installed on the detection needles (331) between the sliding plate (334) and the cross beam frame (32), jacks are formed in the inner sides of the sliding plate (334), and the detection pens (335) are inserted in the jacks.
2. The construction site engineering quality supervision auxiliary detection device according to claim 1, characterized in that: dragging device (2) include mounting panel (21), driving motor (22), rolling frame (23), wire rope (24) and draw and drag cloth (25), bottom plate (1) upper end middle part install mounting panel (21) through the screw, driving motor (22) are installed through the motor cabinet in mounting panel (21) upper end right side, driving motor (22) pass through reduction gear (23) and be connected with rolling frame (24), rolling frame (24) are installed in mounting panel (21) upper end middle part, even winding has wire rope (24) on rolling frame (24), wire rope (24) upper end is installed and is drawn cloth (25).
3. The construction site engineering quality supervision auxiliary detection device according to claim 1, characterized in that: adjusting mechanism (35) including adjusting pole (351), screw thread seat (352), remove frame (353), gag lever post (354) and compress tightly branch chain (355), crossbeam frame (32) on be provided with the mounting hole, install screw thread seat (352) in the mounting hole, inside regulation pole (351) is connected with through screw-thread fit's mode in screw thread seat (352), it installs removal frame (353) through the bearing to adjust pole (351) inboard, remove frame (353) and be located inside the cavity, gag lever post (354) are installed to removal frame (353) outside symmetry, gag lever post (354) are connected with the connecting hole on crossbeam frame (32) through sliding fit's mode, it is provided with the recess to remove frame (353) inboard, recess internally mounted compresses tightly branch chain (355).
4. The construction site engineering quality supervision auxiliary detection device according to claim 1, characterized in that: sealing mechanism (34) include telescopic link (341), connecting spring (342) and seal receptacle (343), cavity inside symmetry install telescopic link (341), the telescopic link (341) outside is provided with connecting spring (342), seal receptacle (343) are installed to telescopic link (341) inboard, seal receptacle (343) are connected with adjustment mechanism (35) through wire rope.
5. The construction site engineering quality supervision auxiliary detection device according to claim 3, characterized in that: compress tightly branch (355) including pressure strip (3551) and compression spring (3552), the recess inside be connected with pressure strip (3551) through sliding fit's mode, be provided with compression spring (3552) between pressure strip (3551) inboard and removal frame (353), be provided with the hardboard between pressure strip (3551) outside and removal frame (353).
6. The construction site engineering quality supervision auxiliary detection device according to claim 4, characterized in that: the sealing seat (343) is of a rectangular structure, an arc-shaped groove is formed in the sealing seat (343), and a spongy cushion is arranged in the arc-shaped groove.
7. The construction site engineering quality supervision auxiliary detection device as claimed in claim 2, wherein: the pulling cloth (25) is woven by high-strength fibers, and the inner side of the fixing frame (25) is provided with a wear-resistant rubber pad.
8. The construction site engineering quality supervision auxiliary detection device according to any one of claims 1 to 7, characterized in that: the specific use method of the auxiliary detection equipment comprises the following steps:
s1, firstly, manually installing the bottom plate (1) on the ground, then placing pulling cloth (25) in the middle of the upper end of the cross beam, and then connecting the pulling cloth (25) with a winding frame (23) through a steel wire rope (24);
s2, manually driving the cross beam frame (32) to move to the lower end of the cross beam through the adjusting rod (31), enabling the upper end of the detection mechanism (33) to be just attached to the lower end of the cross beam frame (32), then rotating the adjusting mechanism (35), enabling the adjusting mechanism (35) to drive the two sealing seats (343) to be separated through a steel wire rope, and enabling the moving frame (353) to move inwards to be attached to the detection pen (335);
s3, starting a driving motor (22), driving the winding frame (23) to rotate by the driving motor (22) through a reduction gearbox, and stretching the cross beam downwards by a steel wire rope (24) on the winding frame (23) through pulling cloth (25);
s4, when the cross beam is deformed due to stress, the cross beam extrudes the detection needle (331) to move downwards, the detection needle (331) further drives the detection pen (335) to draw a deformation track on the hardboard, and then the deformation amount of the cross beam under certain tension can be obtained.
CN201911098776.0A 2019-11-12 2019-11-12 Construction site engineering quality supervision auxiliary detection device and method Withdrawn CN110779798A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911098776.0A CN110779798A (en) 2019-11-12 2019-11-12 Construction site engineering quality supervision auxiliary detection device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911098776.0A CN110779798A (en) 2019-11-12 2019-11-12 Construction site engineering quality supervision auxiliary detection device and method

Publications (1)

Publication Number Publication Date
CN110779798A true CN110779798A (en) 2020-02-11

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CN201911098776.0A Withdrawn CN110779798A (en) 2019-11-12 2019-11-12 Construction site engineering quality supervision auxiliary detection device and method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111649930A (en) * 2020-06-18 2020-09-11 赵桂荣 Steel construction building girder stability detection device
CN112609246A (en) * 2020-12-11 2021-04-06 钟志鹏 Down feather treatment system and process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111649930A (en) * 2020-06-18 2020-09-11 赵桂荣 Steel construction building girder stability detection device
CN112609246A (en) * 2020-12-11 2021-04-06 钟志鹏 Down feather treatment system and process

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