CN214424400U - Cat ladder can be dismantled temporarily to people about steel construction - Google Patents
Cat ladder can be dismantled temporarily to people about steel construction Download PDFInfo
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- CN214424400U CN214424400U CN202022811593.3U CN202022811593U CN214424400U CN 214424400 U CN214424400 U CN 214424400U CN 202022811593 U CN202022811593 U CN 202022811593U CN 214424400 U CN214424400 U CN 214424400U
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Abstract
The utility model discloses a cat ladder can be dismantled to people's interim about steel construction relates to steel construction installation construction cat ladder field. Newly-built transformer substation's main part adopts steel frame construction type more and more, in present steel construction installation construction, adopts the direct welding reinforcing bar on the steel construction usually, is difficult to guarantee constructor's life safety to direct and steel column welding cause the steel column structure impaired. The utility model discloses a ladder body, connecting pipe, ladder top collude even fixed subassembly, safety hook and earth connection, the ladder body can be dismantled by a plurality of cat ladder elementary cells and connect and form, and the top of ladder body colludes with the ladder top and links the mounting and can dismantle fixedly connected, and the ladder top colludes even fixed subassembly and articulates on steel construction roof beam, and ladder body top is located to the safety hook, and earth connection detachably connects on the ladder foot of cat ladder and the pre-buried ground flat steel in scene. Can dismantle cat ladder easy dismounting avoids direct and steel column welding, avoids steel column structure impaired, security when the safety hook has set up the promotion personnel climbing.
Description
Technical Field
The utility model relates to a steel construction installation construction cat ladder field especially relates to a cat ladder can be dismantled to people temporarily on steel construction from top to bottom.
Background
At present, with the popularization of indoor transformer substations and assembly type buildings, the main bodies of newly-built transformer substations are more and more in steel frame structure types, the amount of steel used for the transformer substations from 110kV to 220kV is gradually increased, and the building height is gradually increased. In current steel construction installation construction, adopt on the steel construction directly welded steel bar usually, perhaps will weld the cat ladder that is good with the reinforcing bar and directly weld with steel structure main part. The ladder is difficult to guarantee the life safety of constructors, and the steel column structure is damaged and an anticorrosive coating is damaged due to the fact that the ladder is directly welded with a steel column, so that the overall construction quality is affected.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model and the technical task who provides are perfect and improve prior art scheme, provide a steel construction about the people can dismantle the cat ladder temporarily to promote the security as the purpose. Therefore, the utility model adopts the following technical scheme.
The utility model provides a cat ladder can be dismantled to people's interim about steel construction, colludes and links fixed subassembly, safety hook and earth connection including ladder body, ladder top, the ladder body can be dismantled by a plurality of cat ladder elementary cells and connect and form, the top of ladder body colludes with the ladder top and links that the mounting can dismantle to be connected fixedly, the ladder top colludes and links fixed subassembly and articulate on steel structural beam, the safety hook is located on the step rod on the top of ladder body, earth connection detachably connect on the ladder foot and the pre-buried ground flat steel in scene of cat ladder. During the use, connect into a ladder body to a plurality of cat ladder elementary cells, it colludes and links to link fixed subassembly to connect the ladder top on the top of ladder body, collude through the ladder top and link fixed subassembly and articulate reliably on the steel construction roof beam, connect reliable and stable, can dismantle cat ladder easy dismounting, avoid direct and steel column welding, can effectively avoid steel column structure impaired, avoid destroying the steel column anticorrosive coating, security when the setting of safety hook has promoted personnel's climbing, the setting of earth connection is direct leading-in to the earthing terminal to the short-circuit current that the steel construction probably exists, avoid causing the injury to the climbing personnel.
As a preferable technical means: the ladder stand basic unit comprises ladder body vertical pipes on two sides and a plurality of foot bars located between the ladder body vertical pipes on the two sides, and after the ladder stand basic unit is connected, the foot bars are vertically arranged at equal intervals. The vertical equidistant range of the foot bars is convenient for the climbing of personnel.
As a preferable technical means: the ladder stand basic unit can be dismantled through connecting pipe and bolt and connect fixedly, when the connecting pipe is connected, the ladder body standpipe of ladder stand basic unit inserts in the connecting pipe, the upper and lower both ends of the ladder body standpipe of ladder stand basic unit all are equipped with the bolt hole, the bolt transversely passes connecting pipe and ladder body standpipe and penetrates gasket and nut fixed. The connecting structure is firm, stable and reliable.
As a preferable technical means: the connecting pipe is fixedly connected with each ladder body vertical pipe on the upper side and the lower side through 2 bolts. The connecting pipe is fixed with every ladder body standpipe all through 2 bolted connection, connects more firmly reliably steadily.
As a preferable technical means: the ladder body is externally coated with warning paint. Can realize the effective warning of climbing and remind, make things convenient for personnel to judge the position of cat ladder.
As a preferable technical means: the terraced top collude even fixed subassembly include 2T type sectional parts and 2 anti-skidding square steel pipes of L type, every T type sectional part includes horizontal connecting pipe and vertical connecting pipe, the lower part cover of vertical connecting pipe outside the terraced body riser at terraced body top to through bolt, gasket and nut fixed connection, every anti-skidding square steel pipe of L type includes an anti-skidding standpipe and a connection violently pipe, anti-skidding standpipe sets up downwards, connect violently the top that violently lies in anti-skidding standpipe, connect violently the pipe insert in horizontal connecting pipe and fixed through bolt gasket and nut. This structural connection is firm stable, has realized linking together of cat ladder and steel construction roof beam reliably, can prevent effectively that the cat ladder from breaking away from.
As a preferable technical means: the anti-skidding square steel pipe connecting structure is characterized in that oblique reinforcing pipes are arranged on the transverse connecting pipe and the vertical connecting pipe, the upper ends of the reinforcing pipes are connected to the end portions of the transverse connecting pipe, the end portions are located at the ends of the non-L-shaped anti-skidding square steel pipes in an inserting mode, and the lower ends of the reinforcing pipes are connected to the upper portion of the vertical connecting pipe. The structural strength of the T-shaped combined part can be effectively enhanced.
As a preferable technical means: the ground wire is connected to the bolt hole of the ladder foot of the ladder stand. Utilize the bolt hole connection of the ladder body standpipe of ladder foot, firm in connection.
Has the advantages that: can dismantle cat ladder easy dismounting colludes even fixed subassembly through the ladder top and articulates reliably on the steel construction roof beam, connects reliable and stable, avoids directly and steel column welding, can effectively avoid steel column structure impaired, avoids destroying the steel column anticorrosive coating, security when the setting of safety hook has promoted personnel's climbing, and the setting of earth connection is direct leading-in to the earthing terminal to the short-circuit current that the steel construction probably exists, avoids causing the injury to the climbing personnel.
Drawings
Fig. 1 is a schematic view of the utility model.
Fig. 2 is a schematic diagram of the basic unit structure of the ladder stand of the present invention.
Fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
Fig. 4 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.
Fig. 5 is a schematic structural view of the T-shaped combined part of the present invention.
Fig. 6 is a schematic view of the structure of the L-shaped anti-slip square steel tube of the present invention.
In the figure: 1-a ladder body; 2-hooking the ladder top to fix the component; 3-a safety catch; 4-a ground line; 5-steel structural beam; 6-grounding flat steel; 7-connecting pipe; 101-a riser of the ladder body; 102-a foot stick; 201-T type combined parts; 202-L type antiskid square steel tube; 20101-transverse connecting pipe; 20102-vertical connecting pipe; 20201-connecting the horizontal tube; 20202-antislip standpipe.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-6, a ladder stand can be dismantled temporarily to people from top to bottom on steel construction, including ladder body 1, the ladder top colludes and links fixed subassembly 2, safety hook 3 and earth connection 4, ladder body 1 can be dismantled by 2 cat ladder elementary cells and connect and form, the top of ladder body 1 colludes with the ladder top and links the mounting and can dismantle and be connected fixedly, the ladder top colludes and links fixed subassembly 2 and articulate on steel structural beam 5, safety hook 3 locates on the step stick 102 on the top of ladder body 1, earth connection 4 detachably connects on the step foot of cat ladder and the pre-buried ground flat steel 6 in scene.
In order to facilitate the climbing of personnel, each ladder base unit comprises ladder body vertical pipes 101 on two sides and 6 foot pegs 102 positioned between the ladder body vertical pipes 101 on two sides, and after the ladder base units are connected, the foot pegs 102 are vertically arranged at equal intervals. The rungs 102 are vertically arranged at equal intervals to facilitate climbing of personnel.
In order to ensure that the connection structure of the ladder stand basic unit is firm and reliable, the ladder stand basic unit is detachably connected and fixed through the connecting pipe 7 and the bolt, when the connecting pipe 7 is connected, the ladder body vertical pipe 101 of the ladder stand basic unit is inserted into the connecting pipe 7, the upper end and the lower end of the ladder body vertical pipe 101 of the ladder stand basic unit are respectively provided with a bolt hole, and the bolt transversely penetrates through the connecting pipe 7 and the ladder body vertical pipe 101 and penetrates through the gasket and the nut for fixing. The connecting structure is firm, stable and reliable.
In order to facilitate the personnel to judge the position of the ladder stand, the ladder body 1 is externally coated with warning paint. Can realize the effective warning of climbing and remind, make things convenient for personnel to judge the position of cat ladder directly perceivedly in the vision.
In order to reliably realize the hanging connection of the ladder stand and the steel structure beam 5, the ladder top hooking and fixing assembly 2 comprises 2T-shaped combined parts 201 and 2L-shaped anti-skidding square steel tubes 202, each T-shaped combined part 201 comprises a transverse connecting tube 20101 and a vertical connecting tube 20102, the lower part of the vertical connecting tube 20102 is sleeved outside a vertical tube 101 at the top of a ladder body 1 and is fixedly connected with the vertical tube 101 through a bolt, a gasket and a nut, each L-shaped anti-skidding square steel tube 202 comprises an anti-skidding vertical tube 20202 and a connecting horizontal tube 20201, the anti-skidding vertical tube 20202 is arranged downwards, the connecting horizontal tube 20201 is transversely positioned at the top end of the anti-skidding vertical tube 20202, and the connecting horizontal tube 20201 is inserted into the transverse connecting tube 20101 and is fixed through the bolt gasket and the nut. This structural connection is firm stable, has realized linking together of cat ladder and steel structural beam 5 reliably, can prevent effectively that the cat ladder from breaking away from, avoids adopting welding mode to connect steel structural beam 5.
In order to enhance the structural strength of the T-shaped combined part 201, oblique reinforcing pipes are arranged on the transverse connecting pipe 20101 and the vertical connecting pipe 20102, the upper ends of the reinforcing pipes are connected to the end portion of the transverse connecting pipe 20101, the end portion is located at one end, inserted and connected with the non-L-shaped anti-skidding square steel pipe 202, and the lower end of the reinforcing pipe is connected to the upper portion of the vertical connecting pipe 20102. The structural strength of the T-shaped composite part 201 can be effectively enhanced.
In order to firmly connect the grounding wire 4, the grounding wire 4 is connected to a bolt hole of a ladder foot of the ladder. Utilize the bolt hole connection of the ladder body standpipe 101 of ladder foot, firm in connection.
When the anti-falling device is used, 2 ladder stand basic units are connected into a ladder body 1 through a connecting pipe 7, a T-shaped combined part 201 is connected to the top end of the ladder body 1, an L-shaped anti-sliding square steel pipe 202 is connected to the T-shaped combined part 201, the T-shaped anti-sliding square steel pipe is connected to the T-shaped combined part 2, the T-shaped anti-sliding square steel pipe is reliably hung on a steel structure beam 5 through a ladder top hook connecting and fixing assembly 2, the anti-falling device 3 is arranged on a step bar 102 at the top end of the ladder body 1, and a grounding wire 4 is connected to bolt holes of ladder feet of the ladder stand and a grounding flat steel 6 pre-buried on site. When climbing, a person hangs the safety rope between the waist, the upper rope buckle of the safety rope is hung on the foot stick 102, the rope buckle of the falling protector 3 is buckled on the chest opening, and the upper rope buckle of the safety rope is sequentially hung upwards on the foot stick 102 above along with the rising of the body.
Can dismantle cat ladder easy dismounting, avoid direct and steel column welding, can effectively avoid steel column structure impaired, avoid destroying the steel column anticorrosive coating, security when the setting of safety hook 3 has promoted personnel climbing, the setting of earth connection 4 is direct leading-in to the earthing terminal to the short-circuit current that the steel construction probably exists, avoids causing the injury to climbing personnel.
In this example, each connecting pipe 7 is fixedly connected with each vertical ladder tube 101 on the upper and lower sides through 2 bolts, each connecting horizontal pipe 20201 is fixedly connected with the transverse connecting pipe 20101 through one bolt, and each vertical connecting pipe 20102 is fixedly connected with the vertical ladder tube 101 through 2 bolts.
In this example, the grounding line 4 adopts the 16mm specification; the specification of the safety catcher 3 adopts sc/20m specification.
The ladder stand can be dismantled temporarily to the people about a steel construction that above fig. 1-6 show is the embodiment of the utility model discloses, has embodied the utility model discloses substantive characteristics and progress, can be according to actual use needs under the teaching of the utility model, to it carry out the equivalence modification in aspects such as shape, structure, all be listed as the scope of protection of this scheme.
Claims (8)
1. The utility model provides a cat ladder can be dismantled to people's interim about steel construction which characterized in that: including ladder body (1), ladder top collude even fixed subassembly (2), safety hook (3) and earth connection (4), ladder body (1) can be dismantled by a plurality of cat ladder basic units and connect and form, the top of ladder body (1) colludes with the ladder top and links the mounting and can dismantle and be connected fixedly, the ladder top colludes even fixed subassembly (2) and articulates on steel construction roof beam (5), on baton (102) on the top of ladder body (1) are located in safety hook (3), earth connection (4) detachably connect on the ladder foot of cat ladder and the pre-buried ground flat steel in scene (6).
2. The steel structure temporary detachable crawling ladder for boarding and alighting according to claim 1, characterized in that: the ladder stand basic unit comprises ladder body vertical pipes (101) on two sides and a plurality of rungs (102) arranged between the ladder body vertical pipes (101) on the two sides, and after the ladder stand basic unit is connected, the rungs (102) are vertically arranged at equal intervals.
3. The steel structure temporary detachable crawling ladder for boarding and alighting according to claim 2, characterized in that: the ladder stand basic unit is detachably connected and fixed through the connecting pipe (7) and the bolt, when the connecting pipe (7) is connected, the ladder body vertical pipe (101) of the ladder stand basic unit is inserted into the connecting pipe (7), bolt holes are formed in the upper end and the lower end of the ladder body vertical pipe (101) of the ladder stand basic unit, and the bolt transversely penetrates through the connecting pipe (7) and the ladder body vertical pipe (101) and penetrates through the gasket and the nut to be fixed.
4. The steel structure temporary detachable crawling ladder for boarding and alighting according to claim 3, characterized in that: the connecting pipe (7) is fixedly connected with each ladder body vertical pipe (101) on the upper side and the lower side through 2 bolts.
5. The steel structure temporary detachable crawling ladder for boarding and alighting according to claim 1, characterized in that: the ladder body (1) is externally coated with warning paint.
6. The steel structure temporary detachable crawling ladder for boarding and alighting according to claim 2, characterized in that: the ladder top hook connecting and fixing assembly (2) comprises 2T-shaped combined parts (201) and 2L-shaped anti-skidding square steel tubes (202), each T-shaped combined part (201) comprises a transverse connecting tube (20101) and a vertical connecting tube (20102), the lower portion of each vertical connecting tube (20102) is sleeved outside a ladder body vertical tube (101) at the top of a ladder body (1) and fixedly connected with the ladder body vertical tube through a bolt, a gasket and a nut, each L-shaped anti-skidding square steel tube (202) comprises an anti-skidding vertical tube (20202) and a connecting transverse tube (20201), the anti-skidding vertical tubes (20202) are arranged downwards, the connecting transverse tube (20201) is transversely located at the top end of the anti-skidding vertical tube (20202), and the connecting transverse tube (20201) is inserted into the transverse connecting tube (20101) and fixed through the bolt gasket and the nut.
7. The steel structure temporary detachable crawling ladder for boarding and alighting according to claim 6, characterized in that: the anti-skidding connecting pipe is characterized in that oblique reinforcing pipes are arranged on the transverse connecting pipe (20101) and the vertical connecting pipe (20102), the upper ends of the reinforcing pipes are connected to the end portion of the transverse connecting pipe (20101), the end portion is located at one end, inserted and connected with the non-L-shaped anti-skidding square steel pipe (202), and the lower end of each reinforcing pipe is connected to the upper portion of the vertical connecting pipe (20102).
8. The steel structure temporary detachable crawling ladder for boarding and alighting according to claim 3, characterized in that: the grounding wire (4) is connected to the bolt hole of the ladder foot of the ladder stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022811593.3U CN214424400U (en) | 2020-11-27 | 2020-11-27 | Cat ladder can be dismantled temporarily to people about steel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022811593.3U CN214424400U (en) | 2020-11-27 | 2020-11-27 | Cat ladder can be dismantled temporarily to people about steel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214424400U true CN214424400U (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022811593.3U Active CN214424400U (en) | 2020-11-27 | 2020-11-27 | Cat ladder can be dismantled temporarily to people about steel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214424400U (en) |
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2020
- 2020-11-27 CN CN202022811593.3U patent/CN214424400U/en active Active
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