CN218758990U - Supplementary cat ladder is used in curved surface rack construction - Google Patents
Supplementary cat ladder is used in curved surface rack construction Download PDFInfo
- Publication number
- CN218758990U CN218758990U CN202222284583.8U CN202222284583U CN218758990U CN 218758990 U CN218758990 U CN 218758990U CN 202222284583 U CN202222284583 U CN 202222284583U CN 218758990 U CN218758990 U CN 218758990U
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- China
- Prior art keywords
- hook
- force application
- fixed
- steel column
- net rack
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Abstract
The utility model provides a curved surface net rack construction is with supplementary cat ladder, it includes the cat ladder body, cat ladder body length direction's both ends all are provided with slide mechanism, slide mechanism is including the couple subassembly and a plurality of removal subassembly that are fixed in the couple subassembly that are fixed in this end of body of cat ladder, the couple subassembly colludes and locates the rack steel column, remove the subassembly including the base and the rotation that are fixed in the couple subassembly and connect in the pulley of base, the pulley butt rolls in the rack steel column and can follow the length direction of rack steel column. The utility model discloses have and improve among the prior art staff and adopt fixed cat ladder when carrying out the operation, can only carry out the operation in near cat ladder region, have the effect of the relatively narrow problem of operation face.
Description
Technical Field
The utility model relates to a appurtenance technical field is used in the construction of curved surface rack, especially relates to a curved surface rack construction is with supplementary cat ladder.
Background
The curved net frame is a roof structure commonly used in large-span building structures such as airport terminals, stadiums, exhibition centers, stations and the like, and the structure of the curved net frame is a frame structure formed by welding a large number of longitudinal and transverse steel columns with each other and combining with a concrete structure.
In the construction process of the curved-surface net rack, articles such as a grid screen and the like need to be moved and installed on the net rack, a plane where the net rack is locally located forms a certain included angle with a horizontal plane, the included angle is an acute angle, and the included angle generally does not exceed 75 degrees. Generally, during installation, a worker sets up a fixed ladder stand on two steel structural steel columns which are parallel to each other, the ladder stand is temporarily fixed on the steel columns by fasteners such as hoops, and then the worker ties a safety rope on the ladder stand and/or the steel columns for operation. When performing work in this manner, the worker can move up and down on the ladder, but the work can be performed only in an area near the ladder, and the work surface is relatively narrow.
SUMMERY OF THE UTILITY MODEL
Not enough to exist among the prior art, the utility model provides a curved surface net rack construction is with supplementary cat ladder, it can improve among the prior art staff adopt fixed cat ladder to carry out the operation, can only carry out the operation near the cat ladder region, has the narrow problem of operation face relatively.
According to the utility model discloses an embodiment, a curved surface net rack construction is with supplementary cat ladder, it includes the cat ladder body, cat ladder body length direction's both ends all are provided with slide mechanism, slide mechanism is including being fixed in the couple subassembly of this end of body of cat ladder and a plurality of removal subassemblies that are fixed in the couple subassembly, the couple subassembly colludes and locates the rack steel column, remove the subassembly including the base that is fixed in the couple subassembly and rotate and connect in the pulley of base, the pulley butt can roll in the rack steel column and the length direction that can follow the rack steel column.
Preferably, the hook component comprises an L-shaped bridging frame and a plurality of braking parts, one end of the L-shaped bridging frame is fixed on the crawling ladder body, the net rack steel column is located in an included angle of the L-shaped bridging frame, the base is fixed on the L-shaped bridging frame, and the braking parts are fixed at the end part of the crawling ladder body and hooked on the net rack steel column so as to indirectly achieve stability of the crawling ladder body.
Preferably, the braking part comprises a force application frame fixed on the crawling ladder body, a support fixed on the crawling ladder body and a brake hook with one end in a hook shape and hooked to the net rack steel column, the other end of the brake hook is in a straight rod shape, the support is rotatably connected to the middle end of the brake hook, the force application frame is connected to the straight rod end of the brake hook, and the force application frame is used for driving the brake hook to rotate by taking the rotating end of the support as a central axis, so that the hook end of the brake hook is close to or far away from the net rack steel column.
Preferably, the force application frame comprises a fixing plate fixed on the ladder stand body, a force application shaft in threaded connection with the fixing plate, a force application ball fixed at the end of the force application shaft, and a force application sleeve for embedding the force application ball, the force application ball is rotatably connected to the force application sleeve, and the brake hook is slidably connected to the force application sleeve.
Preferably, the support comprises an L-shaped frame fixed on the ladder stand body and a shaft rod with one end fixed on the L-shaped frame, and the other end of the shaft rod is rotatably connected to the brake hook.
Preferably, the force application frame is provided with a jack, a plurality of limiting holes are formed at intervals in the straight rod end of the brake hook, and a limiting rod is inserted into the communicated jack and limiting hole at the same time; the brake hook is provided with a sliding groove along the length direction, and the support is rotatably connected to one end of the brake hook in a sliding mode and is connected to the brake hook.
Preferably, the sliding groove is a stepped groove; the bracket is connected with one end of the brake hook in a sliding way, is T-shaped and is clamped in the sliding groove.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the auxiliary crawling ladder is arranged to be a crawling ladder body and sliding mechanisms arranged at two ends of the crawling ladder body in the length direction, each sliding mechanism comprises a hook component and a moving component, each moving component comprises a pulley abutted against a net rack steel column, so that the hook components are hooked on the net rack steel columns, the stability of the whole auxiliary crawling ladder and the safety of workers during working are realized, after the work near the auxiliary crawling ladder area is completed, the hook components can be cancelled to be hooked on the net rack steel columns, the auxiliary crawling ladder can move in the length direction of the net rack steel columns, the whole auxiliary crawling ladder can move, the hook components are hooked on the net rack steel columns again, the work in the next area can be started after the stability is ensured, and the problem that when workers adopt a fixed crawling ladder to work in the prior art, the workers can only work near the crawling ladder and the working surface is relatively narrow is solved;
2. the braking piece is including exerting force the frame, support and one end are crotch form brake hook, the straight rod end while sliding connection of brake hook is in application of force frame and support, and application of force frame is including the application of force axle that is provided with the external screw thread, the support includes that one end rotates the axostylus axostyle of connecting in the brake hook middle-end, through the mode of rotating the application of force axle, can make the brake hook use the axostylus axostyle to take place to rotate as the central axis, and then make the crotch end of brake hook collude and locate on the net rack steel column, and the stability is kept, perhaps make the crotch end of brake hook break away from the net rack steel column, so that the removal of whole supplementary cat ladder.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view, partially in section, of an embodiment of the invention, showing primarily the braking member;
fig. 4 is a schematic structural view of a portion B in fig. 3.
In the drawings, wherein: 1. a net rack steel column; 2. a ladder body; 3. a hook assembly; 31. l-shaped building frames; 32. a stopper; 321. a force application frame; 3211. a fixing plate; 3212. a force application shaft; 3213. a force application ball; 3214. a force application sleeve; 3215. a jack; 322. a support; 3221. an L-shaped frame; 3222. a shaft lever; 323. a brake hook; 3231. a limiting hole; 3232. a limiting rod; 3233. a chute; 4. a moving assembly; 41. a base; 42. a pulley.
Detailed Description
The present invention will be further described with reference to fig. 1-4.
Referring to fig. 1 and 2, the embodiment of the utility model provides a curved surface net rack construction is with supplementary cat ladder is provided, including cat ladder body 2, cat ladder body 2 all is provided with slide mechanism for adopting the frame construction that steel welding formed at 2 length direction's of cat ladder body both ends, and two slide mechanism overlap joint respectively on the rack steel column 1 of two parallels of rack to realize the stability of supplementary cat ladder.
The sliding mechanism comprises a hook component 3 and a plurality of moving components 4; the hook component 3 comprises an L-shaped bridging frame 31 and a plurality of braking components 32, one end of the L-shaped bridging frame 31 is welded at one end of the ladder stand body 2 in the length direction, the other end of the L-shaped bridging frame 31 is bent towards one side of the ladder stand body 2 in the thickness direction, and when the ladder stand is used, the net rack steel column 1 is located in an included angle of the L-shaped bridging frame 31; a plurality of braking parts 32 can be 1, 2, 3 and so on, the embodiment of the utility model provides an, only demonstrate for 1, braking part 32 welds in cat ladder body 2's tip, and braking part 32 groove one end is crotch form and colludes and locate rack steel column 1 to indirectly realize cat ladder body 2's stability.
The moving assembly 4 comprises a base 41 and a pulley 42, the base 41 is fixed on the L-shaped bridging frame 31, and the pulley 42 is rotatably connected on the base 41, when in use, the wheel surface of the pulley 42 abuts against the net rack steel column 1, and after the connection relationship between the braking member 32 and the net rack steel column 1 is cancelled, the pulley 42 can roll on the net rack steel column 1 in a manner of directly or indirectly applying force to the ladder stand body 2, namely, the movement of the ladder stand body 2 on the net rack, namely, the movement towards the length direction of the net rack steel column 1 is indirectly realized.
During the use, will assist the cat ladder and wholly set up on rack (the plane of rack place is the acute angle with the level), specifically, pulley 42 butt is on rack steel column 1 to make the crotch end of braking part 32 collude and locate on rack steel column 1, accomplish colluding of a plurality of braking parts 32 and establish the back, realize the stability of whole supplementary cat ladder. Then, the staff can be with safety rope system carry out the operation on cat ladder and/or steel column. After the work of the area near the ladder stand is completed, the worker cancels the connection relation between the braking part 32 and the net rack steel column 1, so that the braking part 32 is not hooked on the net rack steel column 1 any more, the whole auxiliary ladder stand is moved to the next working position along the length direction of the net rack steel column 1 in a mode of directly or indirectly applying force to the ladder stand body 2, the braking part 32 is hooked on the net rack steel column 1 again, and then the next round of work can be carried out, and the problem that when the worker uses the fixed ladder stand to work in the prior art, the worker can only work in the area near the ladder stand, and the working surface is relatively narrow is solved.
Referring to fig. 2 to 4, the brake member 32 includes a force application frame 321, a bracket 322, and a brake hook 323, the force application frame 321 and the bracket 322 are fixed to the ladder stand body 2, and the force application frame 321 is close to the middle end of the ladder stand body 2 relative to the bracket 322.
The braking hook 323 extends along the length direction of the ladder body 2, and one end of the braking hook is in a straight rod shape, is connected with the force application frame 321, and can move towards or away from the ladder body 2 under the action of the force application frame 321; the middle end of the brake hook 323 is rotatably connected to the bracket 322, and the rotation axis extends along the width direction of the ladder stand body 2, so that the brake hook 323 rotates by taking the rotation end of the bracket 322 as the central axis under the action of the force application frame 321; the other end of the brake hook 323 is in a hook shape and is hooked with the net rack steel column 1.
A plurality of limiting holes 3231 are arranged at intervals at the straight rod end of the braking hook 323, and a limiting rod 3232 is inserted into one limiting hole 3231; a sliding groove 3233 is further formed on the outer side of the middle end of the brake hook 323, and the sliding groove 3233 is a stepped groove and extends along the length direction of the brake hook 323.
When one end of the braking hook 323 connected to the force application frame 321 moves away from the ladder stand body 2 under the action of the force application frame 321, one hook-shaped end of the braking hook 323 moves towards the plane of the ladder stand body 2, namely, away from the net rack steel column 1; on the contrary, under the action of the force application frame 321, when the hook-shaped end of the brake hook 323 moves towards the net rack steel column 1, the brake hook 323 can be hooked on the net rack steel column 1, so as to indirectly realize the stability of the ladder stand body 2, thereby ensuring the safety of the worker working on the ladder stand body 2.
Wherein, the force-applying frame 321 includes a fixing plate 3211, a force-applying shaft 3212, a force-applying ball 3213 and a force-applying sleeve 3214; one end of the fixing plate 3211 is welded to the ladder body 2, and the other end of the fixing plate is provided with an internal threaded hole in a penetrating manner; the force application shaft 3212 is a vertically arranged stud with an external thread formed thereon, the thread is connected to the internal thread hole of the fixing plate 3211, the force application ball 3213 is fixed to the lower end of the force application shaft 3212 and is embedded in the force application sleeve 3214, and the force application ball 3213 is rotatably connected with the force application sleeve 3214.
The straight rod end of the brake hook 323 is connected with the force application sleeve 3214 in a sliding manner; the force application sleeve 3214 is further provided with a jack 3215, and when the jack 3215 is communicated with the limiting hole 3231, the brake hook 323 can be prevented from sliding relative to the force application sleeve 3214 in a manner that the limiting rod 3232 is simultaneously inserted into the jack 3215 and the limiting hole 3231, that is, the brake hook 323 can slide along the length direction thereof in a manner that the limiting rod 3232 is inserted into different limiting holes 3231, thereby ensuring that the hook of the brake hook 323 can be tightly hooked to the net rack steel column 1 to keep stable.
The bracket 322 comprises an L-shaped frame 3221 and a shaft rod 3222, one end of the L-shaped frame 3221 is fixed to the ladder stand body 2, one end of the shaft rod 3222 is fixed to the other end of the L-shaped frame 3221, and the other end of the shaft rod 3222 extends along the horizontal direction; the extension end of the shaft rod 3222 is T-shaped and is clamped in the sliding groove 3233, so that the brake hook 323 can rotate by taking the shaft rod 3222 as a central axis, the action of hooking or disengaging the brake hook 323 from the net rack steel column 1 is realized, and the brake hook 323 can slide in the sliding groove 3233, so that the brake hook 323 can move along the length direction of the brake hook 323, and the fastening performance of the brake hook 323 when hooking to the net rack steel column 1 or the thoroughness of the brake hook 323 when disengaging from the net rack steel column 1 is ensured.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a curved surface net rack construction is with supplementary cat ladder, includes cat ladder body (2), its characterized in that: the ladder stand body (2) length direction's both ends all are provided with slide mechanism, slide mechanism is including couple subassembly (3) and a plurality of removal subassembly (4) of being fixed in couple subassembly (3) that are fixed in cat stand body (2) tip, couple subassembly (3) collude and locate rack steel column (1), removal subassembly (4) are including base (41) and the pulley (42) of rotation connection in base (41) that are fixed in couple subassembly (3), pulley (42) butt is in rack steel column (1) and can follow the length direction roll of rack steel column (1).
2. The auxiliary ladder stand for curved-surface net rack construction as claimed in claim 1, wherein: couple subassembly (3) are including L shape and are built (31) and a plurality of braking member (32), the one end of L shape and build (31) is fixed in cat ladder body (2), rack steel column (1) are located the contained angle of L shape and build (31), base (41) are fixed in L shape and build (31), braking member (32) are fixed in cat ladder body (2) tip and collude and locate rack steel column (1) to indirectly realize the stability of cat ladder body (2).
3. The auxiliary ladder stand for curved net rack construction according to claim 2, characterized in that: the braking piece (32) comprises a force application frame (321) fixed on the crawling ladder body (2), a support (322) fixed on the crawling ladder body (2) and a braking hook (323) with one end in a hook shape and hooked to the net rack steel column (1), the other end of the braking hook (323) is in a straight rod shape, the support (322) is rotatably connected to the middle end of the braking hook (323), the force application frame (321) is connected to the straight rod end of the braking hook (323), and the force application frame (321) is used for driving the braking hook (323) to rotate by taking the rotating end of the support (322) as a central axis, so that the hook end of the braking hook (323) is close to or far away from the net rack steel column (1).
4. The auxiliary ladder stand for curved net rack construction according to claim 3, characterized in that: the force application frame (321) comprises a fixing plate (3211) fixed on the crawling ladder body (2), a force application shaft (3212) in threaded connection with the fixing plate (3211), a force application ball (3213) fixed at the end part of the force application shaft (3212) and a force application sleeve (3214) for embedding the force application ball (3213), the force application ball (3213) is rotatably connected with the force application sleeve (3214), and the brake hook (323) is slidably connected with the force application sleeve (3214).
5. The auxiliary ladder stand for curved net rack construction according to claim 3, characterized in that: the support (322) comprises an L-shaped frame (3221) fixed on the ladder stand body (2) and a shaft lever (3222) with one end fixed on the L-shaped frame (3221), and the other end of the shaft lever (3222) is rotatably connected to the brake hook (323).
6. The auxiliary ladder stand for curved-surface net rack construction as claimed in claim 3, wherein: the force application frame (321) is provided with a jack (3215), the straight rod end of the brake hook (323) is provided with a plurality of limiting holes (3231) at intervals, and the jack (3215) and the limiting holes (3231) which are communicated are simultaneously inserted with a limiting rod (3232); the brake hook (323) is provided with a sliding groove (3233) along the length direction, and the support (322) is rotatably connected to one end of the brake hook (323) and is connected to the brake hook (323) in a sliding mode.
7. The auxiliary ladder stand for curved net rack construction according to claim 6, characterized in that: the sliding groove (3233) is a stepped groove; the bracket (322) is connected with one end of the brake hook (323) in a sliding way, is T-shaped and is clamped in the sliding groove (3233).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222284583.8U CN218758990U (en) | 2022-08-30 | 2022-08-30 | Supplementary cat ladder is used in curved surface rack construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222284583.8U CN218758990U (en) | 2022-08-30 | 2022-08-30 | Supplementary cat ladder is used in curved surface rack construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218758990U true CN218758990U (en) | 2023-03-28 |
Family
ID=85691474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222284583.8U Withdrawn - After Issue CN218758990U (en) | 2022-08-30 | 2022-08-30 | Supplementary cat ladder is used in curved surface rack construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218758990U (en) |
-
2022
- 2022-08-30 CN CN202222284583.8U patent/CN218758990U/en not_active Withdrawn - After Issue
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20230328 Effective date of abandoning: 20230625 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20230328 Effective date of abandoning: 20230625 |