CN210658052U - Crawling ladder for road and bridge - Google Patents
Crawling ladder for road and bridge Download PDFInfo
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- CN210658052U CN210658052U CN201921538027.0U CN201921538027U CN210658052U CN 210658052 U CN210658052 U CN 210658052U CN 201921538027 U CN201921538027 U CN 201921538027U CN 210658052 U CN210658052 U CN 210658052U
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Abstract
The utility model discloses a ladder stand for roads and bridges, which comprises a base, wherein a lifting frame is arranged on the base, the lifting frame is formed by the vertical hinging of lifting unit bodies, each lifting unit body comprises X-shaped components with variable included angles, which are symmetrically arranged in the front and back direction, the X-shaped components are formed by hinging two supporting plates, and the ladder stand unit bodies are fixedly arranged on one supporting plate at the inner side of the X-shaped components; the ladder stand units between the up-and-down hinged lifting unit bodies are arranged in a staggered manner from front to back and are mutually connected to form a complete ladder for climbing, connecting plates A are arranged at four corners of each lifting unit body, supporting rods are arranged around the lifting frames, connecting plates B which are attached to the connecting plates A are uniformly distributed on the supporting rods, clamping holes are formed in the connecting plates A and the connecting plates B, clamping pins are inserted into the clamping buckles, safety nets are fixed around the supporting rods, and a base is provided with a spreading device for spreading or folding the lifting unit bodies; the utility model discloses can fast assembly.
Description
Technical Field
The utility model relates to a cat ladder for road bridge belongs to road bridge instrument field.
Background
The safety ladder stand is widely applied to various engineering constructions such as house construction, road and bridge high pier construction, bridges, overpasses, subways, chimneys, water towers, temporary safety pedestrian passageways and the like. Through long-term popularization and use and continuous technical improvement, the combined socket joint type road and bridge construction safety ladder stand forms a series of products, the matching is complete, the system replaces the traditional I-shaped pedestrian passageway of simple scaffold ladder stands, steel pipe frame ladder stands, tower frame ladder stands and the like used in the past, and the main components are vertical rods, cross rods, inclined rods, cross supports, stairs, handrails, foot pedals, outer supports and the like. A very big not enough point of current construction cat ladder structure is: the design is reasonable inadequately, and the dismouting is safe swift inadequately, and generally most assembles the little bit at first scene, will consume very big manpower and material resources undoubtedly like this.
Namely: there is a need for a ladder that can be quickly assembled.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a cat ladder for road bridge, can fast assembly, can overcome prior art's not enough.
The technical scheme of the utility model is that: a ladder stand for roads and bridges comprises a base, wherein a lifting frame is arranged on the base and is formed by vertically hinging lifting unit bodies, each lifting unit body comprises X-shaped components with variable included angles, which are symmetrically arranged in the front and back direction, each X-shaped component is formed by hinging two supporting plates, and one supporting plate on the inner side of each X-shaped component is fixedly provided with a ladder stand unit body; the ladder stand cell cube between the upper and lower articulated lift cell cube is staggered arrangement and links up into the complete ladder of usefulness of climbing around the cat ladder cell cube each other, four corners at the lift cell cube all is equipped with connecting plate A, all be equipped with the bracing piece around the crane, the equipartition is equipped with the connecting plate B of laminating mutually with connecting plate A on the bracing piece, all be equipped with the card hole on connecting plate A and connecting plate B, the card tip has been inserted in the buckle, be fixed with the safety net around the bracing piece, be equipped with on the base with the lift cell cube struts or receive the distraction device of usefulness.
The four bottoms of foretell crane all articulate there is the slider, is equipped with the slide rail of orientation about a set of on the base, and two sliders are fixed in the one end of slide rail around crane left side or right side, are equipped with the connecting rod between two sliders around the opposite side, strutting arrangement fix on the base for one end, jack or pneumatic cylinder that the other end and connecting rod link to each other.
The base is provided with a pile hole and is connected with the ground through a fixing pile.
The safety net is provided with a switch door.
Compared with the prior art, the ladder stand for roads and bridges comprises a base, wherein a lifting frame is arranged on the base, the lifting frame is formed by vertically hinging lifting unit bodies, each lifting unit body comprises X-shaped components with variable included angles, which are symmetrically arranged in the front and back direction, the X-shaped components are formed by hinging two supporting plates, and the ladder stand unit bodies are fixedly arranged on one supporting plate at the inner side of the X-shaped components; the ladder stand unit bodies between the lifting unit bodies hinged up and down are arranged in a staggered manner from front to back and are mutually connected to form a complete ladder for climbing, the four corners of each lifting unit body are respectively provided with a connecting plate A, the periphery of the lifting frame is respectively provided with a supporting rod, the supporting rods are uniformly distributed on the supporting rods and are respectively provided with a connecting plate B which is attached to the connecting plate A, the connecting plates A and the connecting plates B are respectively provided with a clamping hole, a clamping tip is inserted into each clamping buckle, the periphery of each supporting rod is fixedly provided with a safety net, the base is provided with a spreading device for spreading or retracting the lifting unit bodies, the structure can be used for integrally opening the lifting frame through the spreading device to further fix the structure through the supporting rods, and the complete ladder can be formed through the ladder stand unit bodies, so that the lifting frame can be conveniently lifted and opened after being transported to a place, and compared with the installation mode, and when not in use, the lifting frame can be conveniently carried through the contraction of the lifting frame, and the safety net can ensure the safety and can ensure the safety.
All articulated at four bottoms of crane have the slider, are equipped with the slide rail of orientation about a set of on the base, two sliders are fixed in the one end of slide rail around crane left side or right side, are equipped with the connecting rod between two sliders around the opposite side, the device that struts fix on the base for one end, jack or pneumatic cylinder that the other end and connecting rod link to each other, such structure is convenient for strut the crane and rise or pack up.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a second three-dimensional structure of the present invention.
Fig. 3 is a schematic perspective view of another angle of the present invention.
Figure 4 is the structure schematic diagram of the lifting frame of the utility model.
Fig. 5 is a schematic structural view of the support rod of the present invention.
Fig. 6 is a schematic structural view of a portion a in fig. 1.
Wherein, the base 1; a lifting frame 2; a lifting unit body 3; an X-shaped member 4; a support plate 5; a ladder climbing unit body 6; connection plate A7; a support bar 8; web B9; a chucking hole 10; a safety net 11; a distraction device 12; a slider 13; a slide rail 14; a connecting rod 15.
Detailed Description
All articulated at four bottoms of crane 2 have slider 13, are equipped with the slide rail 14 of orientation about a set of on base 1, two sliders 13 around crane 2 left side or right side are fixed in the one end of slide rail 14, are equipped with connecting rod 15 between two sliders 13 around the opposite side, distraction device 12 be one end through welded fastening on base 1, jack or pneumatic cylinder that the other end and connecting rod 15 link to each other.
Claims (4)
1. The utility model provides a cat ladder for road bridge which characterized in that: the lifting frame (2) is arranged on the base (1), the lifting frame (2) is formed by vertically hinging lifting unit bodies (3), the lifting unit bodies (3) comprise X-shaped members (4) with variable included angles, which are symmetrically arranged in the front and back, the X-shaped members (4) are formed by hinging two supporting plates (5), and a ladder climbing unit body (6) is fixedly arranged on one supporting plate (5) on the inner side of the X-shaped members (4); the ladder stand cell cube (6) between the upper and lower articulated lift cell cube (3) is around staggered arrangement and links up each other into the complete ladder of usefulness of climbing, four corners at lift cell cube (3) all is equipped with connecting plate A (7), all be equipped with bracing piece (8) around crane (2), the equipartition is equipped with connecting plate B (9) of laminating mutually with connecting plate A (7) on bracing piece (8), all be equipped with card hole (10) on connecting plate A (7) and connecting plate B (9), the card tip has been inserted in the buckle, be fixed with safety net (11) around four spinal branch vaulting poles (8), be equipped with on base (1) and strut device (12) of usefulness with lift cell cube (3) struts or receive.
2. The ladder for roads and bridges of claim 1, wherein: all articulated in four bottoms of crane (2) have slider (13), are equipped with a set of slide rail (14) of controlling orientation on base (1), and two slider (13) are fixed in the one end of slide rail (14) around crane (2) left side or right side, are equipped with connecting rod (15) between two slider (13) around the opposite side, distraction device (12) be one end and fix on base (1), jack or pneumatic cylinder that the other end links to each other with connecting rod (15).
3. The ladder for roads and bridges of claim 1, wherein: the base (1) is provided with a pile hole, and the base (1) is connected with the ground through a fixing pile.
4. The ladder for roads and bridges of claim 1, wherein: the safety net (11) is provided with a switch door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538027.0U CN210658052U (en) | 2019-09-17 | 2019-09-17 | Crawling ladder for road and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538027.0U CN210658052U (en) | 2019-09-17 | 2019-09-17 | Crawling ladder for road and bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210658052U true CN210658052U (en) | 2020-06-02 |
Family
ID=70817129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921538027.0U Active CN210658052U (en) | 2019-09-17 | 2019-09-17 | Crawling ladder for road and bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210658052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576179A (en) * | 2020-12-14 | 2021-03-30 | 何明东 | Device is set up to artifical interim cat ladder |
-
2019
- 2019-09-17 CN CN201921538027.0U patent/CN210658052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576179A (en) * | 2020-12-14 | 2021-03-30 | 何明东 | Device is set up to artifical interim cat ladder |
| CN112576179B (en) * | 2020-12-14 | 2024-02-02 | 青岛巨源建工集团有限公司 | Manual temporary ladder erecting device |
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