CN210798353U - Building construction protective fence - Google Patents

Building construction protective fence Download PDF

Info

Publication number
CN210798353U
CN210798353U CN201921261019.6U CN201921261019U CN210798353U CN 210798353 U CN210798353 U CN 210798353U CN 201921261019 U CN201921261019 U CN 201921261019U CN 210798353 U CN210798353 U CN 210798353U
Authority
CN
China
Prior art keywords
rod
support
fixed
handle
winding roller
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
CN201921261019.6U
Other languages
Chinese (zh)
Inventor
姚璐
方明浩
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.)
Anhui Jinqi Construction Co ltd
Original Assignee
Anhui Jinqi Construction 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 Anhui Jinqi Construction Co ltd filed Critical Anhui Jinqi Construction Co ltd
Priority to CN201921261019.6U priority Critical patent/CN210798353U/en
Application granted granted Critical
Publication of CN210798353U publication Critical patent/CN210798353U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The utility model relates to the technical field of protective guards, and discloses a building construction protective guard, which comprises a first support, a second support and a protective guard component, wherein the protective guard component comprises a net storage box which is arranged between the first support and the second support and has an upward opening, a winding roller which is arranged in the net storage box, a protective net which is wound on the winding roller, and a pull rod which is connected with the protective net and deviates from the end part of the winding roller; the first support comprises a fixed rod, a threaded rod arranged in the fixed rod, a movable rod sleeved outside the threaded rod and sliding along the inner side of the fixed rod, a worm wheel arranged at the position, close to the bottom of the fixed rod, of the threaded rod, and a worm meshed with the worm wheel; the end part of the worm departing from the net storage box penetrates through the fixed rod and is provided with a handle; the end part of the worm close to the net storage box is connected with the winding roller; the first bracket and the second bracket are the same in structure and are symmetrically arranged; two ends of the pull rod are respectively connected with the movable rod of the first bracket and the movable rod of the second bracket. The utility model has the advantages of it is following and effect: it is convenient to install and dismantle the rail guard.

Description

Building construction protective fence
Technical Field
The utility model relates to a rail guard technical field, in particular to construction rail guard is built in room.
Background
In the house building construction process, the safety of constructors is guaranteed to be necessary, building construction protective guards is an important link of building construction, and a large number of protective guards are needed in the building protective guard building process. The guard rail in the prior art is huge in size, inconvenient to move and inconvenient to mount and dismount.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a construction rail guard is built in room, its convenience is installed and is dismantled the rail guard.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a building construction protective guard comprises a first support, a second support and a protective guard assembly, wherein the second support is arranged at a distance from the first support, the protective guard assembly is arranged between the first support and the second support, the protective guard assembly comprises a net storage box, a winding roller, a protective net and a pull rod, the net storage box is arranged between the first support and the second support, the opening of the net storage box is upward, the winding roller is arranged in the net storage box, the protective net is wound on the winding roller, and the pull rod is connected with the end part, away from the winding roller, of the; the first support comprises a fixed rod, a threaded rod arranged in the fixed rod, a movable rod sleeved outside the threaded rod and sliding along the inner side of the fixed rod, a worm wheel arranged at the position, close to the bottom of the fixed rod, of the threaded rod, and a worm meshed with the worm wheel; the end part of the worm, which is far away from the net storage box, penetrates through the fixed rod and is provided with a handle; the end part of the worm, which is close to the net storage box, is connected with the winding roller; the first support and the second support are the same in structure and are symmetrically arranged; two ends of the pull rod are respectively connected with the movable rod of the first bracket and the movable rod of the second bracket; the internal thread of having with threaded rod looks adaptation is attacked to the inside wall of movable rod.
By adopting the technical scheme, the winding roller is arranged, so that the protective net is convenient to store; the worm gear is arranged, so that the height of the protective guard can be conveniently adjusted, meanwhile, the protective guard can be unfolded, and the operation is simple and convenient; the net storage box is arranged, so that the protective net which is taken up by the reel can be stored, and the protective net is prevented from being easily damaged when being placed outside; the handle is arranged, so that the worm can be conveniently rotated. The worm is rotated through the handle, the winding roller is driven to rotate, the protective net wound on the winding roller can be unfolded, meanwhile, the worm wheel meshed with the worm rotates, the threaded rod rotates, the movable rod sleeved on the threaded rod ascends, the pull rod installed on the movable rod is driven to ascend, and the protective guard is installed well. When the protective guard needs to be folded, the handle only needs to be rotated reversely, so that the protective guard and the movable rod are folded simultaneously, the size of the protective guard is reduced, the protective guard is convenient to store, and the occupied space is saved. Because the worm gear has self-locking function, the overall structure weight of the protective guard is not large, so the locking of the position can be realized by stopping rotating the handle, the height of the movable rod can be steplessly adjusted, and the protective net can move to a corresponding position along with the movable rod. The height of the guard rails with different heights can be adjusted according to different conditions.
The utility model is further arranged that the side wall of the fixed rod close to the net storage box is provided with a groove along the length direction of the fixed rod; the end part of the pull rod is fixed at the position of the movable rod close to the bottom of the pull rod; the two sides of the protective net extend into the fixed rod along the bottom of the groove and are arranged at intervals with the threaded rod.
Through adopting above-mentioned technical scheme, set up the recess at the lateral wall of dead lever for the pull rod rises along the recess, and is more reliable and more stable, and in the both sides of protection network also stretched into the dead lever simultaneously, make the protection network expand back both sides and be located the dead lever, further increased the installation reliability of protection network. The pull rod is fixed at the bottom of the movable rod, so that the pull rod and the net storage box are closer, the protective net can be stored more completely, and the whole occupied space of the protective guard is smaller.
The utility model is further provided that the handle is a foldable structure; the handle comprises a pin shaft arranged at the end part of the worm extending out of the window frame, a rocking handle connected with the end part of the pin shaft deviating from the worm, and a grip rotationally connected with the end part of the rocking handle deviating from the pin shaft; the end face of the rocking handle, which is far away from the fixed rod, is provided with a containing groove; the end part of the handle close to the rocking handle is step-shaped; the position of the containing groove close to the handle is provided with a limit groove which is communicated with the containing groove and is matched with the end part of the handle close to the rocking handle.
By adopting the technical scheme, the handle is arranged to be of a foldable structure, so that the handle can be folded when the protective guard is not required to be adjusted, occupied space can be saved, the handle can be prevented from being touched, the handle can be rotated, and the adjusting function of the protective guard is influenced. The folding function of the handle can be realized by pulling the handle to the position deviating from or approaching the containing groove, and the limiting groove is arranged, so that the handle can be kept in the state when being pulled to the state vertical to the rocking handle in the direction deviating from the containing groove, and the worm is convenient to rotate.
The utility model is further arranged in that the side wall of the first bracket, which is far away from the second bracket, is provided with a first fixed seat; the first fixing seat comprises a first fixing block and a second fixing block, the first fixing block is arranged along the length direction of the first support and is close to the top of the first support, the second fixing block is arranged at an interval with the first fixing block and is located above the handle.
Through adopting above-mentioned technical scheme, set up first fixed block and second fixed block, be convenient for be connected with other guardrail subassembly, can make up a plurality of guardrail subassemblies at will and adjust the whole size of rail guard in order to adapt to different construction site sizes.
The utility model is further arranged that a second fixed seat is arranged on the second bracket; the second fixing seat comprises a third fixing block and a fourth fixing block, wherein the third fixing block is arranged along the length direction of the second support and is close to the top of the second support, and the fourth fixing block is arranged at an interval with the third fixing block; the upper end surface of the third fixed block and the lower end surface of the first fixed block are positioned on the same horizontal plane; the lower end face of the fourth fixed block and the upper end face of the second fixed block are located on the same horizontal plane.
By adopting the technical scheme, the second fixing seat is arranged, when the other protective guard is connected and assembled with the protective guard, the second fixing seat and the first fixing seat of the other protective guard are overlapped in a crossed manner, and then the second fixing seat and the first fixing seat of the other protective guard are fixed from the upper end through the bolts, so that the installation is simple, different protective guards can be placed into different angles according to needs, and then the different protective guards can be fixed through the bolts, and the application range is wider;
the utility model is further arranged that two ends of the net storage box are fixed outside the fixed rod; the diameters of the two ends of the pull rod are the same as those of the two ends of the winding roller; the groove is matched with the end parts of the pull rod and the winding roller; the two ends of the winding roller extend into the fixed rods, and limiting plates are arranged at the two ends, located on the protective screening, of the winding roller.
Through adopting above-mentioned technical scheme, because store up the net box and be used for accomodating the protection network, its is bulky, and installs some spare parts of worm gear in the dead lever, so will store up the tip of net box and be fixed in the outside of dead lever, avoid storing up the action that the net box took too big space to influence other spare parts inside the dead lever. The end parts of the winding roller and the pull rod extend into the fixed rod and are arranged at intervals with the movable rod, and the grooves of the fixed rod are formed in the two sides of the protective net in an extending mode without influencing normal actions. The limiting plate is arranged at the end part of the winding roller, so that the protective net is not easy to wind and disorder when being stored or unfolded.
The utility model is further arranged in that the bottom of the threaded rod is rotationally arranged with the inner bottom wall of the fixed rod; the top of threaded rod is equipped with the stopper.
By adopting the technical scheme, the bottom of the threaded rod and the inner bottom wall of the fixed rod are rotatably arranged, so that the weight of the movable rod and the pull rod can be conveniently borne while the rotation of the threaded rod is ensured; the top of threaded rod sets up the stopper, prevents that the movable rod from breaking away from with the cooperation of threaded rod for it is more reliable to move between the spare part.
The utility model discloses further set up to, the bottom of dead lever is equipped with the base.
Through adopting above-mentioned technical scheme, set up the base in the bottom of dead lever, increase the area of contact of rail guard and ground or mounted position for the rail guard protects more firmly, and accessible bolt fastening is on the base in ground, further increases the stable effect of rail guard installation.
To sum up, the utility model discloses a beneficial technological effect does:
1. the whole structure of the protective guard is not heavy, so that the position can be locked by stopping rotating the handle, the height of the movable rod can be adjusted in a stepless mode, the protective guard can move to the corresponding position along with the movable rod, the heights of the protective guards with different heights can be adjusted according to different conditions, the protective guard is convenient to store, occupied space can be saved, and installation and operation are facilitated;
2. the second fixing seat is arranged, when the other protective guard is connected and assembled with the protective guard, the second fixing seat and the first fixing seat of the other protective guard are overlapped in a crossed mode, the second fixing seat and the first fixing seat of the other protective guard are fixed from the upper end through bolts, the installation is simple, different protective guards can be placed into different angles according to needs, and then the protective guards are fixed through bolts, and the application range is wider;
3. the handle is arranged to be of a foldable structure, so that the handle can be folded when the protective guard is not required to be adjusted, occupied space can be saved, the handle can be prevented from being touched, the handle can be rotated, and the adjusting function of the protective guard is influenced.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic structural view of a guardrail assembly of an embodiment;
FIG. 3 is an enlarged schematic view of A in FIG. 2;
fig. 4 is a schematic structural diagram of the net storage box of the embodiment.
Reference numerals: 1. a first bracket; 11. fixing the rod; 111. a base; 12. a threaded rod; 121. a limiting block; 13. a movable rod; 14. a worm gear; 15. a worm; 16. a first fixed seat; 161. a first fixed block; 162. a second fixed block; 163. a threaded hole; 17. a groove; 2. a second bracket; 21. a second fixed seat; 211. a third fixed block; 212. a fourth fixed block; 3. a guardrail assembly; 31. a net storage box; 311. an opening; 32. a winding roller; 321. a limiting plate; 33. a protective net; 34. a pull rod; 4. a handle; 41. a pin shaft; 42. a rocking handle; 421. a receiving groove; 422. a limiting groove; 43. a handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a building construction protective guard comprises a first support 1, a second support 2 arranged at an interval with the first support 1, and a protective guard component 3 arranged between the first support 1 and the second support 2. The building construction protective guard is formed by assembling a plurality of first supports 1, second supports 2 and a protective guard component 3.
As shown in fig. 2, the first bracket 1 includes a fixed rod 11 vertically disposed, a threaded rod 12 rotatably disposed in the fixed rod 11, a movable rod 13 sleeved outside the threaded rod 12 and sliding along the inner side of the fixed rod 11, a worm wheel 14 fixedly mounted on the threaded rod 12 near the bottom of the fixed rod 11, and a worm 15 engaged with the worm wheel 14.
A base 111 is welded to the bottom of the fixing rod 11. The bottom of the threaded rod 12 is rotatably connected with the inner bottom wall of the fixing rod 11, and the top of the threaded rod 12 is provided with a limiting block 121. The inside wall of movable rod 13 is attacked the internal thread that has and threaded rod 12 looks adaptation. Two ends of the pull rod 34 are respectively fixedly connected with the movable rod 13 of the first bracket 1 and the movable rod 13 of the second bracket 2. The first bracket 1 and the second bracket 2 have the same and symmetrical structure, and the first fixing seat 16 includes a first fixing block 161 disposed along the length direction of the first bracket 1 and close to the top of the first bracket 1, and a second fixing block 162 disposed at an interval from the first fixing block 161 and above the handle 4. The end portions of the first fixing block 161 and the second fixing block 162 departing from the first bracket 1 are arc-shaped, and the upper end surfaces of the first fixing block 161 and the second fixing block 162 are provided with threaded holes 163 towards the lower end surfaces thereof. A second fixed seat 21 is welded on the second bracket 2. The second fixing seat 21 includes a third fixing block 211 disposed along the length direction of the second bracket 2 and close to the top of the second bracket 2, and a fourth fixing block 212 disposed at an interval with the third fixing block 211. The upper end surface of the third fixing block 211 and the lower end surface of the first fixing block 161 are located at the same level, and the lower end surface of the fourth fixing block 212 and the upper end surface of the second fixing block 162 are located at the same level. The third fixing block 211 and the fourth fixing block 212 are identical in structure to the first fixing block 161.
As shown in fig. 3 and 4, the guardrail assembly 3 includes a net storage box 31 installed between the first bracket 1 and the second bracket 2 and having an upward opening 311, a roller 32 rotatably installed in the net storage box 31, a protection net 33 wound around the roller 32, and a pull rod 34 (shown in fig. 2) connecting an end of the protection net 33 away from the roller 32. Two ends of the net storage box 31 are respectively arranged on the opposite outer side walls of the fixing rods 11 of the first bracket 1 and the second bracket 2. The two ends of the net storage box 31 can be fixed on the first bracket 1 and the second bracket 2 through bolts. The side wall of the fixing rod 11 close to the net storage box 31 is provided with a groove 17 along the length direction of the fixing rod 11. The end of the pull rod 34 is fixed to the movable rod 13 near the bottom thereof. One end of the protective net 33 is fixed on the winding roller 32, and the other end is fixed on the lower end of the pull rod 34. Two sides of the protective net 33 extend into the fixing rod 11 along the bottom of the groove 17 and are arranged at intervals with the threaded rod 12. The end portions of the winding roller 32 and the pull rod 34 do not interfere with the inside of the fixing lever 11. The diameters of the two ends of the pull rod 34 are the same as those of the two ends of the winding roller 32, the grooves 17 are matched with the ends of the pull rod 34 and the winding roller 32, the two ends of the winding roller 32 extend into the fixing rod 11, and the two ends of the winding roller 32, which are located on the protective net 33, are provided with the limiting plates 321. The pull rod 34 moves along the length of the groove 17. The end of the worm 15 close to the net storage box 31 is fixedly connected with the winding roller 32.
As shown in fig. 3, the handle 4 is of a foldable structure. The handle 4 comprises a pin 41 fixed at the end of the worm 15 extending out of the window frame, a rocking handle 42 fixedly connected to the end of the pin 41 away from the worm 15, and a grip 43 rotatably connected to the end of the rocking handle 42 away from the pin 41. The end surface of the rocking handle 42 departing from the fixing rod 11 is provided with a containing groove 421 arranged along the length direction of the rocking handle 42, the end part of the grip 43 close to the rocking handle 42 is step-shaped, and the diameter of the end part of the grip 43 close to the rocking handle 42 is smaller than the diameter of the end part of the grip 43 departing from the rocking handle 42. The position of the containing groove 421 close to the handle 43 is provided with a limit groove 422 which is communicated with the containing groove 421 and is matched with the end part of the handle 43 close to the rocking handle 42, and the position of the smaller diameter of the end part of the handle 43 is matched with the limit groove 422.
When the guardrail assembly 3 is used, the guardrail assembly 3 is moved to a required position, the base 111 of the guardrail assembly 3 is fixed on the ground through the bolt, and the handle 43 is pulled, so that the handle 43 and the rocking handle 42 are in a mutually perpendicular state. By rotating the handle 4, the worm 15 is rotated, so that the winding roller 32 unwinds the protection net 33. When the worm 15 is rotated, the worm wheel 14 engaged with the worm 15 is rotated to rotate the threaded rod 12, and the movable rod 13 screwed with the threaded rod 12 is lifted up to lift the pull rod 34 attached to the bottom of the movable rod 13, that is, the protection net 33 is unfolded. After the height of the guard assembly is adjusted to a desired height, the grip 43 is pulled in a direction approaching the fixing rod 11, so that the grip 43 is placed in the receiving groove 421 and the guard rail assembly 3 is maintained at the height. When other guard rails are connected, the first fixing seats 16 on the guard rails are aligned with the second fixing seats 21 on the other guard rails, and when the relative positions of the plurality of guard rails are adjusted, the guard rails and the guard rails are fixed through bolts, so that the installation of the guard rails in the whole building construction is completed.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a construction rail guard is built in room, includes first support (1), with second support (2) that first support (1) interval set up, locate guardrail subassembly (3) between first support (1) and second support (2), characterized by: the guardrail assembly (3) comprises a net storage box (31) which is arranged between the first support (1) and the second support (2) and has an upward opening (311), a winding roller (32) which is arranged in the net storage box (31), a protective net (33) which is wound on the winding roller (32), and a pull rod (34) which is connected with the end part of the protective net (33) which deviates from the winding roller (32); the first support (1) comprises a fixed rod (11), a threaded rod (12) arranged in the fixed rod (11), a movable rod (13) sleeved outside the threaded rod (12) and sliding along the inner side of the fixed rod (11), a worm wheel (14) arranged at the position, close to the bottom of the fixed rod (11), of the threaded rod (12), and a worm (15) meshed with the worm wheel (14); the end part of the worm (15) departing from the net storage box (31) penetrates through the fixing rod (11) and is provided with a handle (4); the end part of the worm (15) close to the net storage box (31) is connected with a winding roller (32); the first support (1) and the second support (2) are identical in structure and are symmetrically arranged; two ends of the pull rod (34) are respectively connected with the movable rod (13) of the first bracket (1) and the movable rod (13) of the second bracket (2); the internal thread of having with threaded rod (12) looks adaptation is attacked to the inside wall of movable rod (13).
2. The building construction protective fence according to claim 1, characterized in that: a groove (17) is formed in the side wall, close to the net storage box (31), of the fixing rod (11) along the length direction of the fixing rod (11); the end part of the pull rod (34) is fixed at the position of the movable rod (13) close to the bottom of the pull rod; two sides of the protective net (33) extend into the fixing rod (11) along the bottom of the groove (17) and are arranged at intervals with the threaded rod (12).
3. The building construction protective fence according to claim 1, characterized in that: the handle (4) is of a foldable structure; the handle (4) comprises a pin shaft (41) arranged at the end part of the worm (15) extending out of the window frame, a rocking handle (42) connected to the end part of the pin shaft (41) departing from the worm (15), and a grip (43) rotatably connected to the end part of the rocking handle (42) departing from the pin shaft (41); the end surface of the rocking handle (42) departing from the fixed rod (11) is provided with a containing groove (421); the end part of the handle (43) close to the rocking handle (42) is step-shaped; the position of the containing groove (421) close to the handle (43) is provided with a limit groove (422) which is communicated with the containing groove (421) and is matched with the end part of the handle (43) close to the rocking handle (42).
4. The building construction protective fence according to claim 1, characterized in that: a first fixed seat (16) is arranged on the side wall of the first bracket (1) departing from the second bracket (2); first fixing base (16) include along first support (1) length direction set up and be close to first fixed block (161) at first support (1) top, with first fixed block (161) interval set up and be located second fixed block (162) of handle (4) top.
5. The building construction protective fence according to claim 1, characterized in that: a second fixed seat (21) is arranged on the second bracket (2); the second fixing seat (21) comprises a third fixing block (211) which is arranged along the length direction of the second support (2) and is close to the top of the second support (2), and fourth fixing blocks (212) which are arranged at intervals with the third fixing block (211); the upper end surface of the third fixed block (211) and the lower end surface of the first fixed block (161) are positioned on the same horizontal plane; the lower end face of the fourth fixing block (212) and the upper end face of the second fixing block (162) are positioned on the same horizontal plane.
6. The building construction protective fence according to claim 2, wherein: two ends of the net storage box (31) are fixed on the outer side of the fixed rod (11); the diameters of the two ends of the pull rod (34) are the same as those of the two ends of the winding roller (32); the groove (17) is matched with the end part of the pull rod (34) and the winding roller (32); and two ends of the winding roller (32) extend into the fixing rod (11) and two ends of the winding roller (32) which are positioned on the protective net (33) are provided with limiting plates (321).
7. The building construction protective fence according to claim 1, characterized in that: the bottom of the threaded rod (12) is rotatably arranged with the bottom wall of the fixed rod (11); the top of threaded rod (12) is equipped with stopper (121).
8. The building construction protective fence according to claim 1, characterized in that: the bottom of the fixed rod (11) is provided with a base (111).
CN201921261019.6U 2019-08-05 2019-08-05 Building construction protective fence Active CN210798353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921261019.6U CN210798353U (en) 2019-08-05 2019-08-05 Building construction protective fence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921261019.6U CN210798353U (en) 2019-08-05 2019-08-05 Building construction protective fence

Publications (1)

Publication Number Publication Date
CN210798353U true CN210798353U (en) 2020-06-19

Family

ID=71229458

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921261019.6U Active CN210798353U (en) 2019-08-05 2019-08-05 Building construction protective fence

Country Status (1)

Country Link
CN (1) CN210798353U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113700377A (en) * 2021-08-20 2021-11-26 中交四公局第一工程有限公司 Novel safety protection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113700377A (en) * 2021-08-20 2021-11-26 中交四公局第一工程有限公司 Novel safety protection device

Similar Documents

Publication Publication Date Title
CN210798353U (en) Building construction protective fence
CN214996674U (en) Protector is used in municipal administration
CN115822366A (en) Protection fence for building construction
CN215407567U (en) Ancient building restoration assembly bearing structure
CN109911032B (en) Quick folding movable guardrail device for engineering truck
KR102251354B1 (en) Height adjustable soundproofing walls
CN212334480U (en) Steel structure net rack jacking device
CN218514642U (en) Geological disaster monitoring equipment protector
CN219672312U (en) Protective fence
CN221442059U (en) Safety construction platform for ground passageway of vehicle
CN219261813U (en) Adjustable elevator shaft protective guard for building
CN211380474U (en) Lifting bed
CN221627591U (en) Scaffold safety protection structure
CN212503886U (en) Lift car roof overturning fence mechanism
CN221703376U (en) Novel protective railing
CN217028327U (en) Anti-theft device for angle steel tower
CN218842936U (en) Road height limiting frame
CN220469539U (en) Construction fence for constructional engineering
CN217001205U (en) But automatically regulated prevent wind and enclose fender device
CN219620728U (en) Tower crane safety passage structure
CN219451412U (en) Safety frame for engineering construction
CN221664437U (en) Construction safety guardrail for old district building transformation
CN220570191U (en) Wind power generation erection device
CN212535174U (en) Hanging hole fence
CN216649070U (en) Cable erection supporting equipment for electromechanical installation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant