CN215056112U - Safety device for building engineering - Google Patents

Safety device for building engineering Download PDF

Info

Publication number
CN215056112U
CN215056112U CN202120628375.8U CN202120628375U CN215056112U CN 215056112 U CN215056112 U CN 215056112U CN 202120628375 U CN202120628375 U CN 202120628375U CN 215056112 U CN215056112 U CN 215056112U
Authority
CN
China
Prior art keywords
groups
group
multiunit
baffles
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
Application number
CN202120628375.8U
Other languages
Chinese (zh)
Inventor
李青海
朱会增
周国栋
孙义臣
王淑杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction Fifth Engineering Bureau Co Ltd
Original Assignee
China Construction Fifth Engineering Bureau Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Construction Fifth Engineering Bureau Co Ltd filed Critical China Construction Fifth Engineering Bureau Co Ltd
Priority to CN202120628375.8U priority Critical patent/CN215056112U/en
Application granted granted Critical
Publication of CN215056112U publication Critical patent/CN215056112U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Emergency Lowering Means (AREA)

Abstract

A safety protection device for constructional engineering comprises a plurality of groups of baffles, a plurality of groups of fixed rods, a plurality of groups of connecting parts, a plurality of groups of bases, a plurality of groups of first fastening pieces and a plurality of groups of second fastening pieces; the multiple groups of fixed rods are respectively and vertically connected with the multiple groups of bases; the upper end surface of each group of connecting parts is provided with a through hole for a fixed rod to pass through; the multiple groups of second fastening pieces are in threaded fit connection with the multiple groups of connecting parts and extend into the multiple groups of through holes to compress the multiple groups of second fixing rods to form a second detachable structure; the back of each group of baffles is provided with a plurality of groups of fixed plates in parallel at equal intervals; under the axis direction cooperation installation state of multiunit dead lever is followed to the multiunit baffle, the terminal surface of adjacent two sets of baffles compresses tightly each other, and the first tight setting spare of multiunit is screw-thread fit connection multiunit connecting portion respectively to screw-thread fit connects multiunit fixed plate respectively, and the bounding wall is constituteed to the multiunit baffle. The utility model provides a safety device conveniently carries out the dismouting, and then conveniently transports it, and its post-assembly stability is good.

Description

Safety device for building engineering
Technical Field
The utility model relates to a municipal construction technical field especially relates to a safety device for building engineering.
Background
The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The house building is provided with a top cover, a beam column, a wall, a foundation and a project which can form an internal space and meet the requirements of people on production, living, study and public activities; during construction of the building engineering, due to the complex environment of the construction site of the building engineering, potential risks such as falling of objects at high altitude exist, and the like, the construction site needs to be enclosed, so that irrelevant personnel are prevented from entering the construction site at will; when enclosing the construction site, need use the rail, but current rail structure as an organic whole, the area is great, and inconvenient transportation, and inconvenient quick dismouting of carrying on.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem that exists among the background art, the utility model provides a safety device for building engineering, the utility model provides a safety device conveniently carries out the dismouting, and then conveniently transports it, and its post-assembly stability is good.
(II) technical scheme
The utility model provides a safety protection device for construction engineering, which comprises a plurality of groups of baffles, a plurality of groups of fixed rods, a plurality of groups of connecting parts, a plurality of groups of bases, a plurality of groups of first fastening pieces and a plurality of groups of second fastening pieces;
the multiple groups of fixed rods are respectively vertical to the multiple groups of bases and are respectively connected with the multiple groups of bases;
the upper end face of each group of connecting parts is provided with a through hole for a fixing rod to pass through, and the side end face of each group of connecting parts is provided with a plurality of groups of first threaded holes and second threaded holes; the central axes of the first threaded holes and the second threaded holes are vertical to the central axis of the through hole; each group of second threaded holes is communicated with each group of through holes;
the multiple groups of second fastening pieces are screwed into the multiple groups of second threaded holes respectively in a threaded manner, and the multiple groups of second fastening pieces respectively press the multiple groups of second fixing rods towards the end surfaces of the multiple groups of fixing rods to form a second detachable structure;
the back of each group of baffles is provided with a plurality of groups of fixed plates in parallel at equal intervals; a plurality of groups of first threaded blind holes are formed in the end face, far away from each group of baffles, of each group of fixing plates; under the axis direction cooperation installation state of multiunit dead lever is followed to the multiunit baffle, the terminal surface of adjacent two sets of baffles compresses tightly each other, and the first tight setting member of multiunit is the first screw hole of screw-thread fit connection multiunit respectively to in the first screw thread blind hole of screw in multiunit respectively, constitute first detachable construction, the bounding wall is constituteed to the multiunit baffle.
Preferably, one end of each group of baffles is provided with a plugging plate, and the other end of each group of baffles is provided with a plugging groove; under the two adjacent baffle cooperation installation state of axis direction along the dead lever, the board cooperation of inserting on a set of baffle inserts the groove of inserting on another set of baffle.
Preferably, a plurality of groups of third fastening pieces are further included; wherein, a group of side end faces of each group of baffle plates are provided with flange plates; each group of flange plates is provided with a plurality of groups of third threaded holes; the end face of the other group of side of each group of baffles is provided with a step groove; the bottom surface of each group of step grooves is provided with a plurality of groups of second threaded blind holes;
under the cooperation installation state of two sets of adjacent bounding walls, the bottom surface in multiunit step groove is compressed tightly respectively to the multiunit flange board on a set of bounding wall, and multiunit third screw hole is connected in the screw-thread fit respectively to the multiunit third screw hole of multiunit second screw thread blind hole is screwed in respectively to multiunit third fastening piece to constitute third detachable construction.
Preferably, each group of fixing rods corresponds to two groups of second fastening pieces one by one; two sets of tight stator of second screw thread fit connection are respectively on every group dead lever topmost and two sets of connecting portion of downside.
Preferably, a plurality of groups of grooves are formed in the peripheral surface of each group of fixed rods along the central axis direction of the fixed rods; the end parts of the second fastening pieces respectively press the bottom surfaces of the grooves.
Preferably, each group of bases is provided with a first threaded cylinder; the outer peripheral face of every group dead lever all is equipped with the external screw thread that is used for the first screw thread section of thick bamboo of screw-thread fit connection of every group.
Preferably, each group of bases is made of concrete materials.
Preferably, the device also comprises a plurality of groups of hand wheels and a plurality of groups of fastening rods; each group of bases is provided with a plurality of groups of second threaded cylinders;
one end of the multiple groups of fastening rods is in a taper shape, the other ends of the multiple groups of fastening rods are respectively connected with the multiple groups of hand wheels, and the outer peripheral surface of each group of fastening rods is provided with external threads which are used for being in threaded fit connection with each group of second threaded cylinders.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
the safety protection device provided by the utility model has the advantages that each part is convenient to disassemble and assemble, and further the safety protection device is convenient to transport, and the stability of the assembled safety protection device is good;
in the utility model, when a group of safety protection devices are installed, a plurality of groups of fixed rods are matched with a plurality of groups of bases; sleeving a group of connecting parts on the outer sides of a group of fixed rods one by one, adjusting the positions of the connecting parts on the fixed rods, and tightly fixing the connecting parts and the fixed rods by using second fastening pieces; a group of baffles and a group of connecting parts on a plurality of groups of fixed rods are installed in a matching way through a plurality of groups of first fastening pieces, and a plurality of groups of bases are distributed side by side at the moment; then, a plurality of groups of connecting parts are sleeved outside a plurality of groups of fixed rods in sequence, and the process is repeated to install a plurality of groups of baffles on the plurality of groups of fixed rods in a matching manner, so that the assembly of a group of safety protection devices can be completed; the multiple groups of safety protection devices distributed in sequence are connected through the multiple groups of third fastening pieces, so that the stability of the multiple groups of protection devices is greatly improved, and the condition that no irrelevant personnel are involved in the enclosed construction engineering construction site is ensured.
Drawings
Fig. 1 is the utility model provides a safety device for building engineering's spatial structure sketch map.
Fig. 2 is the utility model provides a locally enlarged structure schematic diagram of a department in safety device for building engineering.
Fig. 3 is a schematic structural view of a safety device for construction engineering, in which the part at B is enlarged.
Fig. 4 is a schematic structural view of a safety device for construction engineering, in which the part at C is enlarged.
Fig. 5 is a schematic view of a three-dimensional structure of a connecting portion in a safety device for construction engineering.
Fig. 6 is a schematic view of a local three-dimensional structure of a baffle plate in a safety protection device for construction engineering.
Reference numerals: 1. a baffle plate; 2. fixing the rod; 3. a connecting portion; 4. a base; 5. a first threaded barrel; 6. a hand wheel; 7. a tightening rod; 8. a second threaded barrel; 9. a fixing plate; 10. a first fastening member; 11. a second fastening member; 12. a plywood insertion plate; 13. a flange plate; 14. a through hole; 15. a first threaded hole; 16. a second threaded hole; 17. a plugging groove; 18. a step groove; 19. a first threaded blind hole; 20. a second threaded blind hole; 21. and a third threaded hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the safety protection device for construction engineering of the present invention comprises a plurality of sets of baffles 1, a plurality of sets of fixing rods 2, a plurality of sets of connecting portions 3, a plurality of sets of bases 4, a plurality of sets of first fastening members 10, and a plurality of sets of second fastening members 11;
the multiple groups of fixed rods 2 are respectively vertical to the multiple groups of bases 4 and are respectively connected with the multiple groups of bases 4;
the upper end face of each group of connecting parts 3 is provided with a through hole 14 for the fixed rod 2 to pass through, and the side end face of each group of connecting parts 3 is provided with a plurality of groups of first threaded holes 15 and second threaded holes 16;
the central axes of the first threaded holes 15 and the second threaded holes 16 are all perpendicular to the central axis of the through hole 14;
furthermore, each group of connecting parts 3 is provided with two groups of first threaded holes 15; the two groups of first threaded holes 15 are respectively positioned at two sides of each group of second threaded holes 16;
each group of second threaded holes 16 is communicated with each group of through holes 14;
the multiple groups of second fastening pieces 11 are screwed into the multiple groups of second threaded holes 16 respectively in a threaded manner, and the multiple groups of second fastening pieces 11 respectively press the multiple groups of second fixing rods 2 towards the end surfaces of the multiple groups of fixing rods 2 to form a second detachable structure;
the back of each group of baffles 1 is provided with a plurality of groups of fixing plates 9; the multiple groups of fixing plates 9 are arranged side by side at equal intervals; a plurality of groups of first threaded blind holes 19 are formed in the end surface, far away from each group of baffles 1, of each group of fixing plates 9; the groups of first threaded blind holes 19 correspond to the groups of first threaded holes 15 one by one;
under the axis direction cooperation installation state of multiunit baffle 1 along multiunit dead lever 2, the terminal surface of adjacent two sets of baffles 1 compresses tightly each other, and the first tight piece 10 of multiunit is screw-thread fit connection multiunit first screw hole 15 respectively to in screw in multiunit first screw blind hole 19 respectively, constitute first detachable construction, multiunit baffle 1 constitutes the bounding wall.
In one embodiment of the utility model, when in use, when the construction site of the building engineering needs to be enclosed, the multiple groups of fixed rods 2 and the multiple groups of bases 4 are installed in a matching way; sleeving a group of connecting parts 3 on the outer sides of a group of fixed rods 2 one by one, adjusting the positions of the connecting parts 3 on the fixed rods 2, and fastening the connecting parts 3 and the fixed rods 2 by using second fastening parts 11; a group of baffles 1 and a group of connecting parts 3 on a plurality of groups of fixing rods 2 are installed in a matching way through a plurality of groups of first fastening pieces 10, and a plurality of groups of bases 4 are distributed side by side at the moment; and then, the multi-group connecting parts 3 are sequentially sleeved outside the multi-group fixing rods 2, the processes are repeated to install the multi-group baffle plates 1 on the multi-group fixing rods 2 in a matched mode, and the operation is simple and convenient to disassemble and assemble the multi-group baffle plates so as to transport the multi-group baffle plates conveniently.
In an alternative embodiment, one end of each group of baffles 1 is provided with an inserting plate 12, and the other end of each group of baffles 1 is provided with an inserting groove 17; under the condition that two groups of baffles 1 adjacent along the central axis direction of the fixed rod 2 are installed in a matching way, the inserting plates 12 on one group of baffles 1 are inserted into the inserting grooves 17 on the other group of baffles 1 in a matching way;
during the use, be located the cooperation of the inserting plate 12 on the baffle 1 of upside and insert the inserting groove 17 on the baffle 1 of downside, and then cooperate two sets of baffles 1 fast, and can improve the stability of installation back panel.
In an optional embodiment, a plurality of sets of third fastening members are further included; wherein, a group of side end faces of each group of baffle plates 1 are provided with flange plates 13; each group of flange plates 13 is provided with a plurality of groups of third threaded holes; the end face of the other group of side of each group of baffles 1 is provided with a step groove 18; the bottom surface of each group of step grooves 18 is provided with a plurality of groups of second threaded blind holes 20;
under the condition that two adjacent groups of enclosing plates are installed in a matched mode, a plurality of groups of flange plates 13 on one group of enclosing plates respectively press the bottom surfaces of a plurality of groups of stepped grooves 18, a plurality of groups of third fastening pieces are respectively connected with a plurality of groups of third threaded holes in a threaded matching mode and are respectively screwed into a plurality of groups of second threaded blind holes 20 in a threaded mode to form a third detachable structure;
when the safety protection device is used, when a plurality of groups of safety protection devices are placed along a construction site to be enclosed, and two groups of enclosing plates in two adjacent groups of safety protection devices are matched, a plurality of groups of flange plates 13 on one group of enclosing plates respectively press the bottom surfaces of a plurality of groups of step grooves 18, and the two groups of enclosing plates are fixed through a plurality of groups of third fastening pieces, so that the stability of the two adjacent groups of safety protection devices is improved;
further, an installation groove is formed in the positive end face of the baffle plate 1; the mounting groove is provided with a fourth threaded hole on the side end face of the baffle plate 1; when two sets of adjacent safety device vertical distribution, multiunit flange board 13 on a set of bounding wall inserts the mounting groove on another set of bounding wall in, uses multiunit fourth tight screw hole of deciding a screw-thread fit connection multiunit fourth, and the tight piece of multiunit fourth is screw in multiunit third screw hole respectively to fix two sets of bounding walls.
In an alternative embodiment, each set of fixing bars 2 corresponds one-to-one to two sets of second fastening members 11; two groups of second fastening pieces 11 are respectively connected with the two groups of connecting parts 3 at the uppermost side and the lowermost side of each group of fixed rods 2 in a threaded fit manner;
when the fixing device is used, two groups of second fastening pieces 11 are used for fixedly connecting the enclosing plates with each group of fixing rods 2, so that the using amount of the second fastening pieces 11 is greatly reduced, and the using cost is reduced.
In an alternative embodiment, a plurality of groups of grooves are arranged on the outer peripheral surface of each group of fixing rods 2 along the central axis direction thereof; the end parts of the groups of second fastening pieces 11 respectively press the bottom surfaces of the groups of grooves;
during the use, in the one end of multiunit second tight piece 11 cooperates respectively and inserts multiunit recess, the terminal surface of multiunit second tight piece 11 compresses tightly the bottom surface of multiunit recess, and then can improve the stability behind connecting portion 3 and the cooperation installation of dead lever 2.
In an alternative embodiment, each set of bases 4 is provided with a first threaded cylinder 5; the outer peripheral surface of each group of fixed rods 2 is provided with an external thread which is used for being in threaded fit connection with each group of first threaded cylinders 5;
when the fixing rod is used, the fixing rod 2 and the first threaded cylinder 5 are installed in a threaded fit mode, and the fixing rod 2 and the base 4 are convenient to disassemble and assemble;
further, a fastening piece is arranged on the fixed rod 2 in a threaded fit manner; in the mounted state, the fastener presses the upper end surface of the first threaded cylinder 5.
In an alternative embodiment, each set of bases 4 is made of concrete;
when the base is used, the base 4 made of the concrete material is high in strength and good in corrosion resistance, and is easy to manufacture on a building construction site.
In an alternative embodiment, it also comprises a plurality of sets of handwheels 6 and a plurality of sets of tightening rods 7; each group of bases 4 is provided with a plurality of groups of second threaded cylinders 8;
one end of each group of fastening rods 7 is in a taper shape, the other end of each group of fastening rods 7 is connected with a plurality of groups of hand wheels 6, and the outer peripheral surface of each group of fastening rods 7 is provided with an external thread which is used for being in threaded fit connection with each group of second threaded cylinders 8;
during the use, will fasten the pole 7 screw in underground through the hand wheel 6 that is equipped with to improve the stability of base 4, and then improve protector's stability.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (8)

1. A safety protection device for constructional engineering is characterized by comprising a plurality of groups of baffles (1), a plurality of groups of fixed rods (2), a plurality of groups of connecting parts (3), a plurality of groups of bases (4), a plurality of groups of first fastening parts (10) and a plurality of groups of second fastening parts (11);
the multiple groups of fixed rods (2) are respectively vertical to the multiple groups of bases (4) and are respectively connected with the multiple groups of bases (4);
the upper end face of each group of connecting parts (3) is provided with a through hole (14) for a fixing rod (2) to pass through, and the side end face of each group of connecting parts (3) is provided with a plurality of groups of first threaded holes (15) and second threaded holes (16); the central axes of the first threaded holes (15) and the second threaded holes (16) are vertical to the central axis of the through hole (14); each group of second threaded holes (16) is communicated with each group of through holes (14);
the multiple groups of second fastening pieces (11) are screwed into the multiple groups of second threaded holes (16) respectively in a threaded manner, and the multiple groups of second fastening pieces (11) respectively press the multiple groups of second fixing rods (2) towards the end surfaces of the multiple groups of fixing rods (2) to form a second detachable structure;
a plurality of groups of fixing plates (9) are arranged on the back surface of each group of baffles (1) side by side at equal intervals; a plurality of groups of first threaded blind holes (19) are formed in the end face, far away from each group of baffles (1), of each group of fixing plates (9); under the axis direction cooperation installation state of multiunit baffle (1) along multiunit dead lever (2), the terminal surface of adjacent two sets of baffles (1) compresses tightly each other, and the first tight piece (10) of multiunit are screw-thread fit connection multiunit first screw hole (15) respectively to in screw in multiunit first screw blind hole (19) respectively, constitute first detachable construction, the bounding wall is constituteed to multiunit baffle (1).
2. The safety protection device for the building engineering as claimed in claim 1, wherein one end of each group of baffles (1) is provided with a plugging plate (12), and the other end of each group of baffles (1) is provided with a plugging groove (17); under two adjacent sets of baffles (1) cooperation installation state of axis direction along dead lever (2), inserted plate (12) cooperation on a set of baffle (1) inserts the inserted groove (17) on another set of baffle (1).
3. A safety shield apparatus for construction engineering according to claim 1, further comprising a plurality of sets of third fastening members; wherein, a group of side end faces of each group of baffles (1) are provided with flange plates (13); each group of flange plates (13) is provided with a plurality of groups of third threaded holes; the end face of the other group of side of each group of baffles (1) is provided with a step groove (18); the bottom surface of each group of step grooves (18) is provided with a plurality of groups of second threaded blind holes (20);
under the cooperation installation state of two adjacent sets of bounding walls, multiunit flange board (13) on a set of bounding wall compress tightly the bottom surface of multiunit step groove (18) respectively, and multiunit third tight fixed piece of multiunit is screw-thread fit connection multiunit third screw hole respectively to screw in multiunit second screw blind hole (20) respectively constitutes third detachable construction.
4. A safety device for building engineering according to claim 1, characterized in that each group of fixing rods (2) corresponds one-to-one to two groups of second fastening members (11); two groups of second fastening pieces (11) are respectively connected with the two groups of connecting parts (3) at the uppermost side and the lowermost side of each group of fixing rods (2) in a threaded fit manner.
5. The safety device for building engineering as claimed in claim 1, wherein, the outer peripheral surface of each group of fixing rods (2) is provided with a plurality of groups of grooves along the central axis direction thereof; the end parts of the plurality of groups of second fastening pieces (11) are respectively pressed against the bottom surfaces of the plurality of groups of grooves.
6. A safety device for building engineering according to claim 1, wherein each set of bases (4) is provided with a first threaded cylinder (5); the outer peripheral surface of every group dead lever (2) all is equipped with the external screw thread that is used for the first screw thread section of thick bamboo (5) of screw-thread fit connection of every group.
7. A safety device for building engineering according to claim 6, characterized in that each group of bases (4) is made of concrete.
8. A safety device for building engineering according to claim 6, characterized by further comprising a plurality of sets of handwheels (6) and a plurality of sets of tightening rods (7); each group of bases (4) is provided with a plurality of groups of second threaded cylinders (8);
one end of the multiple groups of fastening rods (7) is in a taper shape, the other ends of the multiple groups of fastening rods (7) are respectively connected with the multiple groups of hand wheels (6), and the outer peripheral surface of each group of fastening rods (7) is provided with an external thread which is used for being in threaded fit connection with each group of second threaded cylinders (8).
CN202120628375.8U 2021-03-29 2021-03-29 Safety device for building engineering Expired - Fee Related CN215056112U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120628375.8U CN215056112U (en) 2021-03-29 2021-03-29 Safety device for building engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120628375.8U CN215056112U (en) 2021-03-29 2021-03-29 Safety device for building engineering

Publications (1)

Publication Number Publication Date
CN215056112U true CN215056112U (en) 2021-12-07

Family

ID=79152571

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120628375.8U Expired - Fee Related CN215056112U (en) 2021-03-29 2021-03-29 Safety device for building engineering

Country Status (1)

Country Link
CN (1) CN215056112U (en)

Similar Documents

Publication Publication Date Title
CN215056112U (en) Safety device for building engineering
CN202925917U (en) Finalized and standardized edge guardrail
CN211735781U (en) Modular assembly type steel structure house body
CN213898208U (en) Scaffold frame protection network based on municipal works construction usefulness
CN211065913U (en) Cross column stand bearing device for exhibition
CN212984283U (en) Prefabricated assembled wall for interior decoration
CN211509549U (en) Assembled network cabinet
CN211523499U (en) Hexagonal aluminum alloy building structure
CN210167744U (en) Cross column wire passing groove for exhibition
CN210529933U (en) Simple steel frame structure
CN210827850U (en) Quick detachable temporary building fixed knot constructs
CN217517890U (en) Curtain wall structure with high installation accuracy
CN215519355U (en) Steel tube bundle combined shear wall structure
CN108167549B (en) Suspension type comprehensive support and hanger
CN207530332U (en) Insulate ring main unit
CN112112273A (en) Connecting piece
CN202492935U (en) Dedicated connecting piece for compound wallboard and floorslab
KR200459957Y1 (en) Cross sculpture
CN211189070U (en) Outdoor fitness equipment rain insensitive device
CN117432210A (en) Modularized display position installation method
CN215670137U (en) Building structure dysmorphism post mistake proofing limit on-spot concatenation node
CN211201306U (en) Steel construction that transformer substation used
CN216810479U (en) Fixed effectual large-span engineering curtain
CN219240952U (en) Steel structure framework of assembled building wall
CN218161570U (en) Connecting structure of tunnel cable mounting bracket

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211207

CF01 Termination of patent right due to non-payment of annual fee