CN215979157U - Cat ladder structure for housing construction - Google Patents
Cat ladder structure for housing construction Download PDFInfo
- Publication number
- CN215979157U CN215979157U CN202122323777.XU CN202122323777U CN215979157U CN 215979157 U CN215979157 U CN 215979157U CN 202122323777 U CN202122323777 U CN 202122323777U CN 215979157 U CN215979157 U CN 215979157U
- Authority
- CN
- China
- Prior art keywords
- spring
- sliding
- limiting
- groove
- grooves
- 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
Links
- 238000010276 construction Methods 0.000 title claims description 6
- 230000009194 climbing Effects 0.000 claims abstract description 14
- 238000009435 building construction Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 241000282326 Felis catus Species 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000005489 elastic deformation Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 206010042772 syncope Diseases 0.000 description 1
Images
Landscapes
- Ladders (AREA)
Abstract
The utility model discloses a ladder stand structure for house building construction in the field of low-voltage switch cabinets, which comprises a ladder stand body, a supporting plate and a safety belt, wherein protective structures are arranged on the left side and the right side of a climbing position of the ladder stand body; the ladder stand solves the problems that a worker has great potential safety hazard when using the ladder stand, and the safety of the ladder stand is not strong when using the device.
Description
Technical Field
The utility model relates to the technical field of house construction, in particular to a ladder stand structure for house construction.
Background
The building construction refers to providing entities for users or investors to live, produce, work or other activities in a planning and designing place, and the building construction structure refers to classifying according to building materials of main bearing components such as beams, columns and walls of a house. The purpose of house structure design is guaranteed that the structure of building is safe suitable for, can satisfy the requirement of various anticipated functions in the year of regulation to it is economic reasonable, at the in-process of carrying out the operation, generally can install the cat ladder and make things convenient for the staff to go to the eminence and carry out the operation.
However, the protection device of current cat ladder structure for housing construction is mostly only set up the guardrail in both sides, can only guarantee that the staff can not fall from the both sides of cat ladder, but lead to the focus unstability and back-up when the staff takes place the foot to slide carelessly, or in the climbing in-process attitude adjustment untimely, when causing the position to lose balance, the guardrail can't protect the staff effectively, the staff has very big potential safety hazard when using the cat ladder, the security when the device uses is not strong.
Based on the technical problem, the utility model provides a ladder stand structure for house building construction, and aims to solve the technical problem.
Disclosure of Invention
In order to achieve the purpose, the utility model provides the following technical scheme:
a ladder stand structure for house building construction comprises a ladder stand body, a supporting plate and a safety belt, wherein the supporting plate is arranged at the bottom of the top end of the ladder stand body, the safety belt is arranged at a climbing position of the ladder stand body, protective structures are arranged on the left side and the right side of the climbing position of the ladder stand body, each protective structure comprises a first sliding groove formed in the surface of the left side and the right side of the climbing position of the ladder stand body, a first sliding block embedded in the first sliding groove, an adjusting groove formed in the surface of the two sides of the first sliding block, a first spring groove formed in the adjusting groove, a first spring arranged in the first spring groove, a first limiting block penetrating through the outer side surface of the first spring groove, a second limiting block attached to the outer end of the first limiting block, a first sliding rod arranged on the surface of the front end of the first sliding block and a connecting plate arranged on the surface of the front end of the first sliding rod;
the first spring grooves are connected with the first sliding block through two groups of telescopic structures, the tail ends of the inner sides of the first spring grooves are all arranged in an arc shape, and the tail ends of the inner sides of the first spring grooves are attached to the limiting structures;
the tail end of the outer side of the first limiting block is arranged in an inclined shape, the second limiting blocks are arranged in an inclined shape matched with the first limiting block, and the second limiting blocks are arranged on the surfaces of the two sides of the inner wall of the first sliding chute;
the connecting plates on the two sides are connected with each other through a safety belt.
As a further scheme of the utility model: the second limiting blocks are distributed on the surfaces of two sides of the inner wall of the first sliding groove in an array mode.
As a further scheme of the utility model: the telescopic structure comprises a second sliding rod arranged on the surfaces of the two sides of the first spring groove, a second sliding block arranged at the tail end of the second sliding rod, a second sliding groove formed in the surface of the inner wall of the first sliding block, a first limiting rod arranged on the surface of the inner wall of the second sliding groove and a second spring wound on the surface of the first limiting rod;
the second sliding blocks are embedded in the second sliding grooves, and first limiting rods penetrate through the middle parts of the second sliding blocks;
one end of the second spring is welded on the surface of the inner wall of the second sliding groove, and the other end of the second spring is welded on the surface of the inner side of the second sliding block.
As a further scheme of the utility model: the limiting structure comprises a second spring groove arranged on the front end surface of the connecting plate, a pull rod penetrating through the front end surface of the second spring groove, a second limiting rod arranged at the tail end of the rear side of the pull rod, a third spring sleeved on the surface of the second limiting rod and a slot arranged on the front end surface of the first sliding block, and the slot is communicated with the two groups of adjusting grooves;
the second limiting rods penetrate through the rear end surface of the second spring groove, and the tail ends of the second limiting rods are arc-shaped and matched with the tail ends of the inner sides of the first spring grooves;
and one end of the third spring is welded on the surface of the inner wall of the second spring groove, and the other end of the third spring is welded on the surface of the second limiting rod.
As a further scheme of the utility model: the supporting plate is connected with the ladder stand body through two groups of buffer structures, each buffer structure comprises two groups of first buffer grooves formed in the surface of the top end of the supporting plate, a third limiting rod arranged at the bottom end of the inner wall of each first buffer groove, a fourth spring sleeved on the surface of the third limiting rod, a second buffer groove sleeved on the surface of the third limiting rod and a fifth spring arranged in the second buffer groove, and the top ends of the fifth springs are all welded on the surface of the bottom end of the ladder stand body;
the second buffer grooves penetrate through the top end surface of the first buffer groove.
As a further scheme of the utility model: the one end of fourth spring all welds in first dashpot inner wall bottom, the other end of fourth spring all welds on second dashpot bottom surface.
As a further scheme of the utility model: one end of the fifth spring is welded on the top end surface of the third limiting rod, and the other end of the fifth spring is welded on the top end of the inner wall of the second buffer groove.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, through the mutual matching of the protection structure, the telescopic structure, the limit structure and the safety belt, the safety belt can be bound on the body of a worker when the ladder stand body is used, in the climbing process, the safety belt drives the first sliding block to move in the first sliding groove, so that the first limiting block and the second limiting block are matched with each other to limit the position of the first sliding block, the first sliding block can only move upwards in the first sliding groove and cannot move downwards, when a worker carelessly slides feet to cause unstable gravity center and lean backwards, or when the posture is not adjusted timely in the climbing process and the body position is out of balance, the second limiting block limits the position of the first sliding block, so that the first sliding block pulls the working personnel through the safety belt to avoid the falling of the working personnel, thereby achieving the purpose of protecting the working personnel and improving the safety of the device when in use;
2. according to the utility model, through the arranged buffer structure, the buffer structure can form a buffer area between the ladder stand body and the support plate, when a worker tramples the ladder stand body, the ladder stand body sinks under the action of the weight of the worker, the ladder stand body drives the second buffer groove to extrude the fourth spring, meanwhile, the second buffer groove is matched with the third limiting rod to extrude the fifth spring, and the fourth spring and the fifth spring buffer the pressure applied by the ladder stand body, so that the problem that the surface of the ladder stand body is irreversibly sunk due to the fact that the ladder stand body is directly extruded with the support plate for a long time is solved, and the service life of the device is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partial front cross-sectional structure of the protective structure of the present invention;
FIG. 3 is a schematic side sectional view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
fig. 6 is an enlarged view of the structure at C in fig. 3 according to the present invention.
In the figure:
1-ladder stand body, 2-support plate, 3-protective structure, 31-first sliding groove, 32-first sliding block, 33-adjusting groove, 34-first spring groove, 35-first spring, 36-first limiting block, 37-second limiting block, 38-first sliding rod, 39-connecting plate, 4-telescopic structure, 41-second sliding rod, 42-second sliding block, 43-second sliding groove, 44-first limiting rod, 45-second spring, 5-limiting structure, 51-second spring groove, 52-pull rod, 53-second limiting rod, 54-third spring, 55-slot, 6-buffer structure, 61-first buffer groove, 62-third limiting rod, 63-fourth spring, 64-second buffer groove, 65-fifth spring, 7-safety belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, in the embodiment of the present invention, a ladder stand structure for building construction includes a ladder stand body 1, a support plate 2 and a safety belt 7, the support plate 2 is disposed at the bottom of the top end of the ladder stand body 1, the support plate 2 is connected to the ladder stand body 1 through two sets of buffer structures 6, each buffer structure 6 includes two sets of first buffer grooves 61 disposed on the top surface of the support plate 2, a third limit rod 62 disposed at the bottom end of the inner wall of the first buffer groove 61, a fourth spring 63 disposed on the surface of the third limit rod 62, a second buffer groove 64 disposed on the surface of the third limit rod 62, and a fifth spring 65 disposed inside the second buffer groove 64, and the top ends of the fifth springs 65 are all welded on the bottom surface of the ladder stand body 1;
the second buffer grooves 64 all penetrate through the top surface of the first buffer groove 61;
one end of the fourth spring 63 is welded at the bottom end of the inner wall of the first buffer groove 61, the other end of the fourth spring 63 is welded on the surface of the bottom end of the second buffer groove 64, and through the design, the crawling ladder body 1 can drive the second buffer groove 64 to extrude the fourth spring 63 to achieve the purpose of buffering the received pressure for the first time;
one end of the fifth spring 65 is welded on the top end surface of the third limiting rod 62, the other end of the fifth spring 65 is welded on the top end of the inner wall of the second buffer groove 64, and through the design, the ladder stand body 1 can drive the second buffer groove 64 and the third limiting rod 62 to be matched with each other to extrude the fifth spring 65 so as to achieve the purpose of performing secondary buffering on the received pressure;
the safety belt 7 is arranged at the climbing position of the ladder stand body 1, the protection structures 3 are arranged on the left side and the right side of the climbing position of the ladder stand body 1, each protection structure 3 comprises a first sliding groove 31 arranged on the surface of the left side and the right side of the climbing position of the ladder stand body 1, a first sliding block 32 embedded in the first sliding groove 31, an adjusting groove 33 arranged on the surface of the two sides of the first sliding block 32, a first spring groove 34 arranged in the adjusting groove 33, a first spring 35 arranged in the first spring groove 34, a first limiting block 36 penetrating through the outer side surface of the first spring groove 34, a second limiting block 37 attached to the outer side end of the first limiting block 36, a first sliding rod 38 arranged on the front end surface of the first sliding block 32 and a connecting plate 39 arranged on the front end surface of the first sliding rod 38;
the first spring grooves 34 are connected with the first sliding blocks 32 through two groups of telescopic structures 4, each telescopic structure 4 comprises a second sliding rod 41 arranged on the surfaces of two sides of the first spring groove 34, a second sliding block 42 arranged at the tail end of the second sliding rod 41, a second sliding groove 43 arranged on the surface of the inner wall of the first sliding block 32, a first limiting rod 44 arranged on the surface of the inner wall of the second sliding groove 43 and a second spring 45 wound on the surface of the first limiting rod 44, the second sliding blocks 42 are all embedded in the second sliding grooves 43, and the middle parts of the second sliding blocks 42 are all penetrated with the first limiting rods 44;
one end of the second spring 45 is welded on the inner wall surface of the second chute 43, and the other end of the second spring 45 is welded on the inner side surface of the second slider 42, so that the distance between the inner wall surface of the second chute 43 and the inner side surface of the second slider 42 can be shortened by pressing the second spring 45;
the tail ends of the inner sides of the first spring grooves 34 are all arranged into circular arcs, the tail ends of the inner sides of the first spring grooves 34 are attached to the limiting structure 5, the limiting structure 5 comprises second spring grooves 51 arranged on the front end surface of the connecting plate 39, pull rods 52 penetrating through the front end surface of the second spring grooves 51, second limiting rods 53 arranged at the tail ends of the rear sides of the pull rods 52, third springs 54 sleeved on the surfaces of the second limiting rods 53 and slots 55 formed in the front end surface of the first sliding block 32, and the slots 55 are communicated with the two groups of adjusting grooves 33;
the second limiting rods 53 penetrate through the rear end surfaces of the second spring grooves 51, the tail ends of the second limiting rods 53 are arc-shaped and matched with the tail ends of the inner sides of the first spring grooves 34, and through the design, the second limiting rods 53 can separate the two groups of first spring grooves 34 with the inner side surfaces attached to each other through extrusion, so that the purpose of pushing the two groups of first spring grooves 34 to move towards different directions is achieved;
one end of the third spring 54 is welded on the inner wall surface of the second spring groove 51, and the other end of the third spring 54 is welded on the surface of the second limiting rod 53, so that the distance between the inner wall surface of the second spring groove 51 and the surface of the second limiting rod 53 can be shortened by extruding the third spring 54;
the outer ends of the first limit blocks 36 are all arranged in an inclined shape, the second limit blocks 37 are all arranged in an inclined shape matched with the first limit blocks 36, through the design, when the first slide block 32 drives the first limit blocks 36 to move upwards in the first sliding groove 31, the second limit blocks 37 cannot limit the first limit blocks 36, when the first slide block 32 drives the first limit blocks 36 to move downwards in the first sliding groove 31, the second limit blocks 37 can limit the first limit blocks 36, so that the purpose of limiting the moving direction of the first slide block 32 is achieved, the second limit blocks 37 are all arranged on the surfaces of two sides of the inner wall of the first sliding groove 31, and the second limit blocks 37 are all distributed on the surfaces of two sides of the inner wall of the first sliding groove 31 in an array manner;
the two side connecting plates 39 are connected to each other by the safety belt 7.
When the protection structure 3, the telescopic structure 4 and the limiting structure 5 need to be used, the safety belt 7 is bound on the body of a worker by pulling the safety belt 7, when the worker climbs the ladder stand body 1, the safety belt 7 drives the connecting plate 39 to move, the connecting plate 39 drives the first sliding groove 31 to move through the first sliding rod 38, the first sliding groove 31 drives the first limiting block 36 to move, the surface of the first limiting block 36 is attached to the surface of the second limiting block 37, the inclined surface of the first limiting block 36 is displaced due to the extrusion of the inclined surface of the second limiting block 37, the first limiting block 36 extrudes the first spring 35, the first spring 35 generates elastic deformation due to the extrusion of the first limiting block 36, the first spring 35 pulls the first limiting block 36 to be taken into the first spring groove 34, after the first sliding block 32 moves for a certain distance, the second limiting block 37 stops extruding the first limiting block 36, the first spring 35 pushes the first limiting block 36 to be ejected from the first spring groove 34, repeated operation enables the first sliding chute 31 to move inside the first sliding block 32, when the worker carelessly slides to cause unstable gravity center and leans backwards, or sudden diseases cause syncope in the climbing process, the first sliding block 32 moves downwards under the driving of the safety belt 7, the first sliding block 32 drives the bottom end plane of the first limiting block 36 to be attached to the top end plane of the second limiting block 37, the second limiting block 37 limits the position of the first limiting block 36, the first sliding block 32 cannot move continuously, the safety belt 7 limits the position of the worker, when the worker needs to climb down from the high position through the ladder body 1 and needs to remove the limitation of the safety belt 7 by the protection structure 3, the pull rod 52 is pulled to drive the second limiting rod 53 to move inside the second spring groove 51, the second limiting rod 53 pulls the third spring 54, and the third spring 54 generates elastic deformation due to the pulling of the second limiting rod 53, the second limiting rod 53 is moved out of the slot 55, the second limiting rod 53 stops extruding the first spring slot 34, the second slider 42 stops pulling the second spring 45, the elastic deformation of the second spring 45 is recovered, the second spring 45 pulls the second slider 42 to move under the restriction of the first limiting rod 44, the second slider 42 moves in the second chute 43, the second slider 42 drives the second slide rod 41 to move, the second slide rod 41 drives the first spring slot 34 to move, the first spring slot 34 drives the first limiting block 36 to be accommodated in the adjusting slot 33, the inner side surfaces of the two sets of first spring slots 34 are jointed, meanwhile, the first limiting blocks 36 are not contacted with the second limiting blocks 37 any more, the pull rods 52 are loosened, the two groups of first spring grooves 34 are used for blocking the second limiting rods 53, when the worker moves downwards, the safety belt 7 drives the first sliding block 32 to move in the first sliding groove 31, and the worker can move to the ground through the ladder stand body 1;
when the staff trampled cat ladder body 1, cat ladder body 1 drove second dashpot 64 and removes under the restriction of first dashpot 61 and third gag lever post 62, make second dashpot 64 extrusion fourth spring 63, fourth spring 63 extrudees because of second dashpot 64 and produces elastic deformation, second dashpot 64 cooperation third gag lever post 62 extrusion fifth spring 65 simultaneously, fifth spring 65 extrudes because of second dashpot 64 and produces elastic deformation, make fourth spring 63 and fifth spring 65 cushion the pressure that cat ladder body 1 received simultaneously, cat ladder body 1 cushions the completion.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a house building is cat ladder structure for construction, includes cat ladder body, backup pad and safety belt, the top bottom of cat ladder body is provided with the backup pad, the climbing department of cat ladder body is provided with safety belt, its characterized in that: the left side and the right side of the climbing position of the cat ladder body are both provided with a protective structure, and the protective structure comprises first sliding grooves formed in the surfaces of the left side and the right side of the climbing position of the cat ladder body, first sliding blocks embedded in the first sliding grooves, adjusting grooves formed in the surfaces of the two sides of the first sliding blocks, first spring grooves formed in the adjusting grooves, first springs arranged in the first spring grooves, first limiting blocks penetrating through the outer side surfaces of the first spring grooves, second limiting blocks attached to the outer side tail ends of the first limiting blocks, first sliding rods arranged on the front end surfaces of the first sliding blocks and connecting plates arranged on the front end surfaces of the first sliding rods;
the first spring grooves are connected with the first sliding block through two groups of telescopic structures, the tail ends of the inner sides of the first spring grooves are all arranged in an arc shape, and the tail ends of the inner sides of the first spring grooves are attached to the limiting structures;
the tail end of the outer side of the first limiting block is arranged in an inclined shape, the second limiting blocks are arranged in an inclined shape matched with the first limiting block, and the second limiting blocks are arranged on the surfaces of the two sides of the inner wall of the first sliding chute;
the connecting plates on the two sides are connected with each other through a safety belt.
2. The ladder stand structure for house building construction according to claim 1, characterized in that: the second limiting blocks are distributed on the surfaces of two sides of the inner wall of the first sliding groove in an array mode.
3. The ladder stand structure for house building construction according to claim 1, characterized in that: the telescopic structure comprises a second sliding rod arranged on the surfaces of the two sides of the first spring groove, a second sliding block arranged at the tail end of the second sliding rod, a second sliding groove formed in the surface of the inner wall of the first sliding block, a first limiting rod arranged on the surface of the inner wall of the second sliding groove and a second spring wound on the surface of the first limiting rod;
the second sliding blocks are embedded in the second sliding grooves, and first limiting rods penetrate through the middle parts of the second sliding blocks;
one end of the second spring is welded on the surface of the inner wall of the second sliding groove, and the other end of the second spring is welded on the surface of the inner side of the second sliding block.
4. The ladder stand structure for house building construction according to claim 1, characterized in that: the limiting structure comprises a second spring groove arranged on the front end surface of the connecting plate, a pull rod penetrating through the front end surface of the second spring groove, a second limiting rod arranged at the tail end of the rear side of the pull rod, a third spring sleeved on the surface of the second limiting rod and a slot arranged on the front end surface of the first sliding block, and the slot is communicated with the two groups of adjusting grooves;
the second limiting rods penetrate through the rear end surface of the second spring groove, and the tail ends of the second limiting rods are arc-shaped and matched with the tail ends of the inner sides of the first spring grooves;
and one end of the third spring is welded on the surface of the inner wall of the second spring groove, and the other end of the third spring is welded on the surface of the second limiting rod.
5. The ladder stand structure for house building construction according to claim 1, characterized in that: the supporting plate is connected with the ladder stand body through two groups of buffer structures, each buffer structure comprises two groups of first buffer grooves formed in the surface of the top end of the supporting plate, a third limiting rod arranged at the bottom end of the inner wall of each first buffer groove, a fourth spring sleeved on the surface of the third limiting rod, a second buffer groove sleeved on the surface of the third limiting rod and a fifth spring arranged in the second buffer groove, and the top ends of the fifth springs are all welded on the surface of the bottom end of the ladder stand body;
the second buffer grooves penetrate through the top end surface of the first buffer groove.
6. The ladder stand structure for house building construction according to claim 5, characterized in that: the one end of fourth spring all welds in first dashpot inner wall bottom, the other end of fourth spring all welds on second dashpot bottom surface.
7. The ladder stand structure for house building construction according to claim 5, characterized in that: one end of the fifth spring is welded on the top end surface of the third limiting rod, and the other end of the fifth spring is welded on the top end of the inner wall of the second buffer groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122323777.XU CN215979157U (en) | 2021-09-24 | 2021-09-24 | Cat ladder structure for housing construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122323777.XU CN215979157U (en) | 2021-09-24 | 2021-09-24 | Cat ladder structure for housing construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215979157U true CN215979157U (en) | 2022-03-08 |
Family
ID=80510101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122323777.XU Expired - Fee Related CN215979157U (en) | 2021-09-24 | 2021-09-24 | Cat ladder structure for housing construction |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215979157U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114753703A (en) * | 2022-04-15 | 2022-07-15 | 中铁十九局集团第二工程有限公司 | Airport signal transmitting device and using method |
-
2021
- 2021-09-24 CN CN202122323777.XU patent/CN215979157U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114753703A (en) * | 2022-04-15 | 2022-07-15 | 中铁十九局集团第二工程有限公司 | Airport signal transmitting device and using method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN215979157U (en) | Cat ladder structure for housing construction | |
CN211007924U (en) | Rail guard for construction | |
CN110742375B (en) | Crawler-type cross-ladder draw-bar box | |
CN214575911U (en) | High-altitude falling-preventing device for building construction | |
CN217232632U (en) | Building construction platform | |
CN113047640A (en) | Steel truss jacking equipment and using method thereof | |
CN211410822U (en) | Wall-type fire box pendant based on building | |
CN209990439U (en) | Portable warehouse logistics management operation stair of getting goods | |
CN215169699U (en) | Electric power construction safety climbing device | |
CN113107345A (en) | Ladder with adjustable telescopic height | |
CN218541631U (en) | Safety protection mechanism for engineering construction | |
CN219241802U (en) | Single cat ladder with adjustable function | |
CN215167782U (en) | Building engineering construction platform | |
CN216305569U (en) | Rail guard is used in construction in room | |
CN217268793U (en) | Remove scaffold footboard | |
CN211110529U (en) | Rail guard of oblique hanging lift platform of intelligence | |
CN210152205U (en) | Curtain wall building platform | |
CN212282767U (en) | Alternate up-down rock climbing device | |
CN214828289U (en) | Brush for rail transit escalator | |
CN213112426U (en) | Mechanical supporting device for building engineering | |
CN214170430U (en) | Construction ladder structure for multifunctional road and bridge | |
CN214423965U (en) | Anti-falling climbing frame device for high-rise building construction | |
CN219826257U (en) | Portable protection canopy of shock attenuation of making an uproar falls | |
CN217129147U (en) | Steel cable guardrail for municipal garden | |
CN215107085U (en) | A remove handling frame for building engineering |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |