CN218633165U - Utility tunnel cable support - Google Patents

Utility tunnel cable support Download PDF

Info

Publication number
CN218633165U
CN218633165U CN202222762178.2U CN202222762178U CN218633165U CN 218633165 U CN218633165 U CN 218633165U CN 202222762178 U CN202222762178 U CN 202222762178U CN 218633165 U CN218633165 U CN 218633165U
Authority
CN
China
Prior art keywords
placing plate
fixed
movable
movable part
utility tunnel
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.)
Active
Application number
CN202222762178.2U
Other languages
Chinese (zh)
Inventor
姚伟
刘超
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.)
Wisdri Engineering and Research Incorporation Ltd
Wisdri Urban Construction Engineering Technology Co Ltd
Original Assignee
Wisdri Engineering and Research Incorporation Ltd
Wisdri Urban Construction Engineering Technology 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 Wisdri Engineering and Research Incorporation Ltd, Wisdri Urban Construction Engineering Technology Co Ltd filed Critical Wisdri Engineering and Research Incorporation Ltd
Priority to CN202222762178.2U priority Critical patent/CN218633165U/en
Application granted granted Critical
Publication of CN218633165U publication Critical patent/CN218633165U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The utility model discloses a utility tunnel cable support, including high adjustment mechanism and activity anchor clamps, high adjustment mechanism includes installation department and movable part, and the installation department is fixed to be established on outside piping lane's wall, and the movable part is fixed to be established on the installation department, and the movable part highly has regulatory function on the installation department, and the activity anchor clamps are fixed to be established on the movable part, and the activity anchor clamps highly have regulatory function along with the movable part. A movable clamp is arranged, and the fixing assembly on the movable clamp is utilized to quickly realize the mounting and dismounting functions of the cable; set up height adjusting mechanism, fix the activity anchor clamps on height adjusting mechanism's movable part to fix height adjusting mechanism's fixed part on outside pipe gallery wall, realize the altitude mixture control to the activity anchor clamps through the regulation to the movable part height. When the cable is installed and maintained, the height of the movable clamp is reduced through the height adjusting mechanism, so that the cable is conveniently maintained and installed by workers, and the maintenance and installation efficiency is improved.

Description

Utility tunnel cable support
Technical Field
The utility model relates to a utility tunnel technical field, concretely relates to utility tunnel cable support.
Background
The utility tunnel is a tunnel space constructed underground in the city, and all engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are installed in the tunnel space.
Communication cable usually passes through the support mounting on utility tunnel's wall, then places the cable through the support, at this moment when removing or dragging the cable for the cable landing of overlap joint on the support, current cable support is inconvenient when maintaining simultaneously adjusts it.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect that prior art exists, provide a utility tunnel cable support, realize cable erection support's regulation, improved cable erection's work efficiency and maintenance efficiency.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a utility tunnel cable support which characterized in that: including high adjustment mechanism and activity anchor clamps, high adjustment mechanism includes installation department and movable part, and the installation department is fixed to be established on the wall of outside piping lane, and the movable part is fixed to be established on the installation department, and the movable part highly has regulatory function on the installation department, and the activity anchor clamps are fixed to be established on the movable part, and the height of activity anchor clamps has regulatory function along with the movable part.
According to the technical scheme, the mounting part comprises an adjusting box, a first sliding groove, a threaded rod and a rotary table, and the movable part comprises a threaded sleeve and a first sliding block matched with the first sliding groove; a vertical inner cavity is formed in the installation box, the threaded rod is vertically arranged on the adjusting box in a rotary connection mode and only can rotate in the adjusting box, the rotary table is fixedly arranged at the end part of the threaded rod and positioned on the outer side of the adjusting box, and the threaded rod is rotated through the rotary table; the first sliding chute is vertically arranged on the side wall of the inner cavity of the adjusting box, and the first sliding chute and the threaded rod are arranged in parallel; the threaded sleeve is sleeved on the threaded rod, the first sliding block is fixedly arranged on the threaded sleeve, one end of the first sliding block is arranged in the first sliding groove, and the first sliding block can only move up and down in the first sliding groove; under the action of the first sliding block and the first sliding groove, the thread sleeve is sleeved on the threaded rod and can only move up and down; the movable clamp is fixedly connected with the threaded sleeve.
According to above-mentioned technical scheme, the threaded rod passes through the bearing and establishes at the top and the bottom of incasement structure, and the threaded rod only can the rotation in the bearing.
According to the technical scheme, the inner cavity of the adjusting box is of a closed structure, the side wall of the inner cavity of the adjusting box is provided with the open groove, the width of the open groove is matched with the size of the joint of the movable clamp and the threaded sleeve, the open groove and the first sliding groove are arranged adjacently or oppositely, and the height of the open groove and the first sliding groove is determined according to the lifting stroke of the movable clamp.
According to the technical scheme, the limiting nut is arranged at the bottom of the threaded rod and is positioned between the bottom surface of the adjusting box and the turntable, and after the height of the fixing assembly is adjusted in place, the limiting nut is rotated to enable the limiting nut to be tightly attached to the bottom surface of the adjusting box.
According to above-mentioned technical scheme, height adjusting mechanism still includes the mounting panel, and a plurality of mounting panel interval sets firmly on height adjusting mechanism in vertical direction, and is equipped with the mounting hole on the mounting panel, fixes height adjusting mechanism on the wall of outside piping lane through the mounting panel.
According to the technical scheme, the movable clamp comprises a fixed frame, a first placing plate, a second sliding chute and a second sliding block which are matched with each other, and a fixed assembly, wherein the fixed frame is fixedly connected with a threaded sleeve, the first placing plate is fixed on the fixed frame, the second placing plate is movably connected on the fixed frame through the fixed assembly, and the first placing plate and the second placing plate are respectively positioned on the adjacent surfaces of two opposite plates of the fixed frame; the second sliding groove is arranged on the fixed frame and is vertical to the side face, far away from the first placing plate, of the second placing plate; one side of the second sliding block is arranged in the sliding groove, and the other side of the second sliding block is fixed on the second placing plate; under the action of the fixing component, the second placing plate is tightly attached to the first placing plate; when external force is applied to the fixed component, the second placing plate is far away from the first placing plate.
According to the technical scheme, the first placing plate is arranged on the upper surface of the lower side plate of the fixed frame, and the second placing plate is arranged on the lower surface of the upper side plate of the fixed frame; the adjacent surfaces of the first placing plate and the second placing plate are respectively provided with a plurality of grooves which are matched with each other, and the sizes of the grooves are matched with the size of the cable.
According to the technical scheme, the fixing assembly comprises a movable rod, a pull handle and a spring, a through hole is formed in the fixing frame on the side of the second placing plate, one end of the movable rod is fixed on the side, far away from the first placing plate, of the second placing plate, the middle of the movable rod penetrates through the through hole of the fixing frame, and the other end of the movable rod is fixedly connected with the pull handle; the spring is sleeved on the movable rod between the fixed frame and the second placing plate in a compressed state; under the action of the spring or the action of the external action on the pull handle, the first placing plate and the second placing plate are close to and separated from each other.
According to the technical scheme, the fixing assembly comprises an adjusting screw rod, a threaded hole matched with the adjusting screw rod is formed in the fixing frame on the side of the second placing plate, the end of the adjusting screw rod is arranged on the side, far away from the first placing plate, of the second placing plate in a rotating connection mode, and the adjusting screw rod can only rotate on the first placing plate; the distance between the first placing plate and the second placing plate is controlled through the adjusting screw rod.
The utility model discloses following beneficial effect has:
1. a movable clamp is arranged, and the fixing assembly on the movable clamp is utilized to quickly realize the mounting and dismounting functions of the cable; in addition, a height adjusting mechanism is arranged, the movable clamp is fixed on a movable part of the height adjusting mechanism, a fixed part of the height adjusting mechanism is fixed on the external pipe gallery wall, and the height of the movable clamp is adjusted by adjusting the height of the movable part. When the cable is installed and maintained, the height of the movable clamp is reduced through the height adjusting mechanism, so that the cable is conveniently maintained and installed by workers, and the maintenance and installation efficiency is improved.
2. Utilize the cooperation of first spout and second spout, threaded rod and thread bush to use, realize the altitude mixture control to the thread bush, lay stop nut in addition on the threaded rod, die through the lock to the threaded rod, realize fixed to thread bush high position to the realization has the swift characteristics of easy operation to the adjustment of activity anchor clamps height.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
figure 2 is a cross-sectional view of a fixed frame in a configuration according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of an adjustment assembly in a configuration according to an embodiment of the present invention;
FIG. 4 is a partial enlarged view of A in FIG. 2;
in the figure, 1, a height adjusting mechanism; 1-1, adjusting box; 1-2, a first chute; 1-3, a threaded rod; 1-4, a turntable; 1-5, thread bush; 1-6, a first sliding block; 1-7, slotting; 1-8, a limit nut; 1-9, mounting a plate; 2. a movable clamp; 2-1, fixing frames; 2-2, a first placing plate; 2-3, a second placing plate; 2-4, fixing the component; 2-41, a movable rod; 2-42, pulling the handle; 2-43, a spring; 2-44, through holes; 2-5, a groove; 2-6, a second chute; 2-7, a second slide block; 3. a connecting rod.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1-4, the utility model provides a pair of utility tunnel cable support, including height adjusting mechanism 1 and activity anchor clamps 2, height adjusting mechanism includes installation department and movable part, and the installation department is fixed to be established on the wall of outside piping lane, and the movable part is fixed to be established on the installation department, and the movable part highly has regulatory function on the installation department, and the activity anchor clamps are fixed to be established on the movable part, and the activity anchor clamps highly has regulatory function along with the movable part.
Further, the mounting part comprises an adjusting box 1-1, a first sliding groove 1-2, a threaded rod 1-3 and a rotary table 1-4, and the movable part comprises a threaded sleeve 1-5 and a first sliding block 1-6 matched with the first sliding groove; a vertical inner cavity is formed in the installation box, the threaded rod is vertically arranged on the adjusting box in a rotary connection mode and can only rotate in the adjusting box, the rotary disc is fixedly arranged at the end of the threaded rod and located on the outer side of the adjusting box, and the threaded rod is rotated through the rotary disc; the first sliding chute is vertically arranged on the side wall of the inner cavity of the adjusting box, and the first sliding chute and the threaded rod are arranged in parallel; the threaded sleeve is sleeved on the threaded rod, the first sliding block is fixedly arranged on the threaded sleeve, one end of the first sliding block is arranged in the first sliding groove, and the first sliding block can only move up and down in the first sliding groove; under the action of the first sliding block and the first sliding groove, the thread sleeve is sleeved on the threaded rod and can only move up and down; the movable clamp is fixedly connected with the threaded sleeve. In the structure, the rotation of the thread sleeve is limited through the first sliding groove and the first sliding block, so that the thread sleeve is driven to move up and down on the threaded rod through the rotation of the threaded rod.
Further, the threaded rod passes through the bearing and establishes at the top and the bottom of boxed structure, and the threaded rod only can the rotation in the bearing.
Furthermore, the inner cavity of the adjusting box adopts a closed structure, the side wall of the inner cavity of the adjusting box is provided with a slot 1-7, the width of the slot is matched with the size of the joint of the movable clamp and the threaded sleeve, the slot and the first chute are arranged adjacently or oppositely, and the height of the slot and the first chute is determined according to the lifting stroke of the movable clamp.
Furthermore, the bottom of the threaded rod is provided with a limit nut 1-8, the limit nut is positioned between the bottom surface of the adjusting box and the turntable, and after the height of the fixing component is adjusted in place, the limit nut is rotated to be tightly attached to the bottom surface of the adjusting box. Set up stop nut on the threaded rod between carousel and regulating box, after the activity anchor clamps that are used for fixed cable adjust suitable height, through screwing up the fiber nut, utilize the frictional force that the pretightning force produced between stop nut and the regulating box to realize the locking to the threaded rod, prevent that the threaded rod from taking place to rotate by oneself.
Furthermore, the height adjusting mechanism further comprises mounting plates 1-9, the mounting plates are fixedly arranged on the height adjusting mechanism at intervals in the vertical direction and are provided with mounting holes, and the height adjusting mechanism is fixed on the wall of the external pipe gallery through the mounting plates.
Further, the movable clamp comprises a fixed frame 2-1, a first placing plate 2-2, a second placing plate 2-3, a second sliding groove 2-6 and a second sliding block 2-7 which are matched with each other, and a fixed assembly 2-4, wherein the fixed frame is fixedly connected with a threaded sleeve, and the fixed frame is fixedly connected with the threaded sleeve through a connecting rod 3 in the embodiment. The first placing plate is fixed on the fixed frame, the second placing plate is arranged on the fixed frame in a movable connection mode through the fixed assembly, and the first placing plate and the second placing plate are respectively positioned on the adjacent surfaces of two opposite plates of the fixed frame; the second sliding groove is arranged on the fixed frame and is vertical to the side face, far away from the first placing plate, of the second placing plate; one side of the second sliding block is arranged in the sliding groove, and the other side of the second sliding block is fixed on the second placing plate; under the action of the fixing component, the second placing plate is tightly attached to the first placing plate; when external force is applied to the fixed component, the second placing plate is far away from the first placing plate.
Further, a first placing plate is arranged on the upper surface of the lower side plate of the fixed frame, and a second placing plate is arranged on the lower surface of the upper side plate of the fixed frame; the adjacent surfaces of the first placing plate and the second placing plate are respectively provided with a plurality of grooves 2-5 which are matched with each other, and the sizes of the grooves are matched with the size of the cable.
In the structure, the fixing component is used for extruding the second placing plate to the first placing plate, and the groove between the first placing plate and the second placing plate is used for fixing the cable; when the cable needs to be installed or taken out, external force is applied to the fixing assembly, and the second placing plate is far away from the first placing plate.
Further, the fixing assembly comprises a movable rod 2-41, a pull handle 2-42 and a spring 2-43, a through hole 2-44 is formed in the fixing frame on the side of the second placing plate, one end of the movable rod is fixed to the side, far away from the first placing plate, of the second placing plate, the middle of the movable rod penetrates through the through hole of the fixing frame, and the other end of the movable rod is fixedly connected with the pull handle; the spring is sleeved on the movable rod between the fixed frame and the second placing plate in a compressed state; under the action of the spring or the action of the external action on the pull handle, the first placing plate and the second placing plate are close to and separated from each other.
Furthermore, the fixing assembly comprises an adjusting screw rod, a threaded hole matched with the adjusting screw rod is formed in the fixing frame on the side of the second placing plate, the end of the adjusting screw rod is arranged on the side, far away from the first placing plate, of the second placing plate in a rotating connection mode, and the adjusting screw rod can only rotate on the first placing plate; the distance between the first placing plate and the second placing plate is controlled by the adjusting screw rod.
The principle of this embodiment is (taking the fixed component including the movable rod, the pull handle and the spring as an example):
during the use, pull earlier and place board rebound to drive the second, can compress the spring simultaneously, place the cable in fixed frame again, then loosen and pull the handle, at this moment the second is placed the board and can be at the spring with the effect of self gravity western's ampere downstream, fix the cable in placing the recess that the board cooperation was used with first, fix a position fixedly when placing the cable, adopted fixed design, solved the support and not had the problem to the spacing fixed of cable, the work efficiency of cable installation has been improved. Then rotate the turning handle and drive the threaded rod and rotate, the threaded rod drives the thread bush rebound that is moved by the spacing direction of the first slider of second slide rail and second, at this moment can be to the high upshifting of support, make things convenient for the staff to move about in the piping lane, and when needs were maintained the cable, the high decline of cable was gone down with the reversal rotation turning handle to make things convenient for the staff to maintain the operation to it, improved maintenance efficiency.
The above is only a preferred embodiment of the present invention, and the scope of the right of the present invention should not be limited by this, so that the protection scope of the present invention is still covered by the equivalent changes made in the claims of the present invention.

Claims (10)

1. The utility model provides a utility tunnel cable support which characterized in that: including height adjusting mechanism and activity anchor clamps, height adjusting mechanism includes installation department and movable part, and the installation department is fixed to be established on the wall of outside piping lane, and the movable part is fixed to be established on the installation department, and the movable part highly has regulatory function on the installation department, and the activity anchor clamps are fixed to be established on the movable part, and the height of activity anchor clamps has regulatory function along with the movable part.
2. The utility tunnel cable rack of claim 1, characterized in that: the mounting part comprises an adjusting box, a first sliding groove, a threaded rod and a turntable, and the movable part comprises a threaded sleeve and a first sliding block matched with the first sliding groove; a vertical inner cavity is formed in the installation box, the threaded rod is vertically arranged on the adjusting box in a rotary connection mode and can only rotate in the adjusting box, the rotary disc is fixedly arranged at the end of the threaded rod and located on the outer side of the adjusting box, and the threaded rod is rotated through the rotary disc; the first sliding chute is vertically arranged on the side wall of the inner cavity of the adjusting box, and the first sliding chute and the threaded rod are arranged in parallel; the threaded rod is sleeved with the threaded sleeve, the first sliding block is fixedly arranged on the threaded sleeve, one end of the first sliding block is arranged in the first sliding groove, and the first sliding block can only move up and down in the first sliding groove; the movable clamp is fixedly connected with the threaded sleeve.
3. The utility tunnel cable rack of claim 2, characterized in that: the threaded rod is arranged at the top and the bottom of the box-packed structure through a bearing, and the threaded rod can only rotate in the bearing.
4. The utility tunnel cable rack of claim 2, characterized in that: the inner cavity of the adjusting box adopts a closed structure, the side wall of the inner cavity of the adjusting box is provided with a slot, the width of the slot is matched with the size of the joint of the movable clamp and the threaded sleeve, the slot and the first chute are arranged adjacently or oppositely, and the height of the slot and the first chute is determined according to the lifting stroke of the movable clamp.
5. The utility tunnel cable rack of claim 2, characterized in that: and after the height of the fixing component is adjusted in place, the limiting nut is rotated to enable the limiting nut to be tightly attached to the bottom surface of the adjusting box.
6. The utility tunnel cable rack of claim 1 or 2, characterized in that: the height adjusting mechanism further comprises a mounting plate, the mounting plates are fixedly arranged on the height adjusting mechanism at intervals in the vertical direction, mounting holes are formed in the mounting plates, and the height adjusting mechanism is fixed on the wall of the external pipe gallery through the mounting plates.
7. The utility tunnel cable rack of claim 2, characterized in that: the movable clamp comprises a fixed frame, a first placing plate, a second sliding chute and a second sliding block which are matched with each other, and a fixed assembly, wherein the fixed frame is fixedly connected with a threaded sleeve, the first placing plate is fixed on the fixed frame, the second placing plate is arranged on the fixed frame in a movable connection mode through the fixed assembly, and the first placing plate and the second placing plate are respectively positioned on the adjacent surfaces of two opposite plates of the fixed frame; the second sliding groove is arranged on the fixed frame and is vertical to the side face, far away from the first placing plate, of the second placing plate; one side of the second sliding block is arranged in the sliding chute, and the other side of the second sliding block is fixed on the second placing plate; under the action of the fixing component, the second placing plate is tightly attached to the first placing plate; when external force is applied to the fixed component, the second placing plate is far away from the first placing plate.
8. The utility tunnel cable rack of claim 7, characterized in that: the first placing plate is arranged on the upper surface of the lower side plate of the fixed frame, and the second placing plate is arranged on the lower surface of the upper side plate of the fixed frame; the adjacent surfaces of the first placing plate and the second placing plate are provided with a plurality of grooves which are matched with each other, and the size of each groove is matched with that of each cable.
9. The utility tunnel cable rack of claim 7, characterized in that: the fixing assembly comprises a movable rod, a pull handle and a spring, a through hole is formed in the fixing frame on the side of the second placing plate, one end of the movable rod is fixed on the side, far away from the first placing plate, of the second placing plate, the middle of the movable rod penetrates through the through hole of the fixing frame, and the other end of the movable rod is fixedly connected with the pull handle; the spring is sleeved on the movable rod between the fixed frame and the second placing plate in a compressed state; under the action of the spring or the action of the external action on the pull handle, the first placing plate and the second placing plate are close to and separated from each other.
10. The utility tunnel cable rack of claim 7, characterized in that: the fixing assembly comprises an adjusting screw rod, a threaded hole matched with the adjusting screw rod is formed in the fixing frame on the side of the second placing plate, the end of the adjusting screw rod is arranged on the side, far away from the first placing plate, of the second placing plate in a rotating connection mode, and the adjusting screw rod can only rotate on the first placing plate; the distance between the first placing plate and the second placing plate is controlled by the adjusting screw rod.
CN202222762178.2U 2022-10-17 2022-10-17 Utility tunnel cable support Active CN218633165U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222762178.2U CN218633165U (en) 2022-10-17 2022-10-17 Utility tunnel cable support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222762178.2U CN218633165U (en) 2022-10-17 2022-10-17 Utility tunnel cable support

Publications (1)

Publication Number Publication Date
CN218633165U true CN218633165U (en) 2023-03-14

Family

ID=85472418

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222762178.2U Active CN218633165U (en) 2022-10-17 2022-10-17 Utility tunnel cable support

Country Status (1)

Country Link
CN (1) CN218633165U (en)

Similar Documents

Publication Publication Date Title
CN210946830U (en) Building foundation pit supporting device
CN216476431U (en) Curtain installation auxiliary device for civil engineering
CN218633165U (en) Utility tunnel cable support
CN212200926U (en) Mounting and fixing structure of glass curtain wall
CN210224859U (en) Cable classification supporting device for electric power construction engineering
CN217105726U (en) Adjustable green energy-saving building curtain wall
CN212200915U (en) Assembled building wall connection structure
CN211201172U (en) Construction hole protector is reserved in cell body construction
CN208184209U (en) A kind of novel aluminum alloy pattern plate convenient for construction
CN209462801U (en) A kind of industrial production automatic intelligent control device
CN221823211U (en) High-efficient waterproof integrated building panel
CN218958450U (en) Vertical bridge fixing device
CN215291573U (en) Curtain height-adjustable's support structure
CN219783584U (en) Electric power iron tower hanging frame for electric power maintenance
CN210033490U (en) Anchor rod fixing device for engineering building connection
CN215499878U (en) Convenient lane controller who overhauls
CN110925557A (en) Security protection engineering is with control frame
CN214995755U (en) A foot rest for green fitment construction
CN221631560U (en) Power system distribution network operation detection device
CN220149015U (en) Nodular cast iron pipeline mounting fixture
CN220870407U (en) Learning repeater with wall built-up structure
CN220116044U (en) Assembled superimposed sheet installation construction auxiliary device
CN219429490U (en) Lifting appliance for electromechanical equipment
CN218758906U (en) Steel construction assembled wall body stable structure
CN214091074U (en) Quick positioner of steel construction installation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant