CN216381184U - Movable construction crawling ladder - Google Patents
Movable construction crawling ladder Download PDFInfo
- Publication number
- CN216381184U CN216381184U CN202122282323.2U CN202122282323U CN216381184U CN 216381184 U CN216381184 U CN 216381184U CN 202122282323 U CN202122282323 U CN 202122282323U CN 216381184 U CN216381184 U CN 216381184U
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- escalator
- supporting frame
- chain
- steel plate
- frame longitudinal
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Abstract
The utility model provides a portable construction cat ladder, including supporting rack, lifting unit and escalator, escalator's one end is rotated and is installed on the supporting rack, lifting unit fixed mounting is on the supporting rack, and is connected with escalator's the other end, and the pulley is installed to the bottom of supporting rack, goes up and down through lifting unit control escalator to be convenient for remove this construction cat ladder according to the demand, can show the quantity that reduces fixed ladder cage, and set up, demolish the time, save interim facility cost.
Description
Technical Field
The utility model belongs to the field of bridge construction engineering construction, and relates to a movable crawling ladder for climbing or falling on a bridge floor in bridge construction, in particular to a movable bridge construction crawling ladder.
Background
When bridge engineering construction is carried out, personnel often need to pass through a fixed ladder cage in order to safely reach a bridge floor from the ground for construction or fall from the bridge floor to the ground for construction. When the length of a bridge is long, the fixed ladder cage needs to be arranged at a certain distance along the moving direction of the bridge for the convenience of reaching the bridge floor or the ground, the input quantity is large, the erection period is long, and each fixed ladder cage needs foundation reinforcement treatment, so that the construction cost is increased.
Disclosure of Invention
In view of the above disadvantages, the technical problem to be solved by the utility model is to provide a movable bridge construction ladder stand, which is used for enabling an escalator to move and be quickly positioned along a central separation belt between a left side and a right side of a bridge on the premise of not processing a foundation.
In order to solve the technical problems, the utility model adopts the technical scheme that,
the utility model provides a portable construction cat ladder, includes supporting rack, lifting unit and escalator, and escalator's one end is rotated and is installed on the supporting rack, and lifting unit fixed mounting is on the supporting rack, and is connected with escalator's the other end, and the pulley is installed to the bottom of supporting rack.
Furthermore, the middle part of the supporting frame is provided with an escalator installation groove, the movable escalator is rotatably installed on one side of the escalator installation groove, and the lifting component is installed on the other side of the escalator installation groove.
Furthermore, the supporting frame comprises a supporting frame cross beam, a first supporting frame longitudinal beam and a second supporting frame longitudinal beam, the first supporting frame longitudinal beam and the second supporting frame longitudinal beam are arranged in parallel, and the supporting frame cross beam is fixedly connected to the two sides of the first supporting frame longitudinal beam and the two sides of the second supporting frame longitudinal beam.
Further, all install the guardrail subassembly on first supporting rack longeron, the second supporting rack longeron, the guardrail subassembly includes many guardrail railing and many guardrail stand that are parallel to each other, guardrail railing fixed mounting is between adjacent guardrail stand.
Furthermore, the supporting frame is paved with a top steel plate, the middle part of the top steel plate is provided with an escalator groove, and the escalator groove is matched with the escalator mounting groove.
Furthermore, the movable escalator comprises an escalator beam, an escalator pedal and an escalator guardrail, the escalator beam is rotatably installed on the supporting frame through an escalator connecting steel plate, two ends of the escalator pedal are fixedly connected with the escalator beam respectively, and the escalator guardrail is fixedly installed on the escalator beam.
Further, a steel wire rope is fixedly connected between the escalator guardrail and the guardrail upright post.
Furthermore, the lifting assembly comprises an escalator support, a chain and a chain block, the tension block is arranged on the lower end face of the supporting frame, the chain is arranged on the chain block, and the escalator support is rotatably arranged at the end part of the movable escalator and is connected with the chain.
Further, the escalator support comprises a hanging strip, a cross rod and a lower shaft pin, the cross rod is arranged in parallel with the lower shaft pin, the cross rod and the lower shaft pin are connected through the hanging strip, a lower hanging ring is fixedly connected above the cross rod, and a chain is matched with the lower hanging ring.
Furthermore, a bottom surface axle pin steel plate is fixedly connected to the lower end face of the supporting frame, and the pulley is rotatably mounted on the bottom surface axle pin steel plate through an upper axle pin.
The utility model has the advantages that (1) the utility model can move at any time according to the requirement, the number of the fixed ladder cages can be obviously reduced, the time for building and dismantling the fixed ladder cages can be shortened, and the cost of temporary facilities can be saved;
(2) the utility model has short moving, mounting and dismounting time and high efficiency, and can accelerate the construction progress;
(3) the utility model bears load through the bridge floor, and the lower end does not need foundation reinforcement treatment, thereby saving construction cost.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial enlarged view at a.
Fig. 3 is a side view of the present invention.
Fig. 4 is a top view of the present invention.
Reference numerals: the escalator comprises a supporting frame 1, a first supporting frame longitudinal beam 101, a supporting frame cross beam 102, a top surface steel plate 103, a guardrail upright post 104, a guardrail rail 105, a supporting frame guardrail hanging ring 106, a second supporting frame longitudinal beam 107, a pulley 2, an upper shaft pin 3, a bottom surface shaft pin steel plate 4, an escalator connecting steel plate 5, an escalator 7, a pedal 701, an escalator guardrail 702, an escalator beam 703, a guardrail hanging ring 704, a steel wire rope 705, an upper hanging ring 801, a shackle 802, a chain block 803, a chain 804, a lower hanging ring 805, a hanging strip 806, a cross bar 807, a lower shaft pin 808, a left bridge deck 9, a right bridge deck 10 and an escalator installation groove 12.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The utility model provides a portable construction cat ladder, including supporting rack 1, lifting unit and escalator 7, escalator 7's one end is rotated and is installed on supporting rack 1, lifting unit fixed mounting is on supporting rack 1, and be connected with escalator 7's the other end, pulley 2 is installed to supporting rack 1's bottom, go up and down through escalator 7 of lifting unit control, thereby be convenient for remove this construction cat ladder according to the demand, can show the quantity that reduces fixed ladder cage, and set up, demolish the time, save interim facility cost.
The middle part of the supporting frame 1 is provided with an escalator installation groove 12, the movable escalator 7 is rotatably installed on one side of the escalator installation groove 12, the lifting component is installed on the other side of the escalator installation groove 12, in the using process, a worker can move up and down through the escalator installation groove 12, and the position of the escalator installation groove 12 corresponds to the gap between the left bridge floor 9 and the right bridge floor 10, so that the stability of the supporting frame 1 is convenient to guarantee.
The supporting frame 1 comprises a supporting frame cross beam 102, a first supporting frame longitudinal beam 101 and a second supporting frame longitudinal beam 107, the first supporting frame longitudinal beam 101 and the second supporting frame longitudinal beam 107 are arranged in parallel, the supporting frame cross beam 102 is fixedly connected to the two sides of the first supporting frame longitudinal beam 101 and the two sides of the second supporting frame longitudinal beam 107, the lifting assembly is installed in the middle of the second supporting frame longitudinal beam 107, and one end of the escalator 7 is rotatably installed at a position close to the first supporting frame longitudinal beam 101, so that in the using process, one side of the escalator 7 is lifted.
Guardrail components are arranged on the first support frame longitudinal beam 101 and the second support frame longitudinal beam 107, each guardrail component comprises a plurality of guardrail rails 105 and a plurality of guardrail upright posts 104 which are parallel to each other, the guardrail rails 105 are fixedly arranged between the adjacent guardrail upright posts 104, and the safety of the construction ladder stand is improved conveniently through the arrangement of the guardrail components.
The top surface steel sheet 103 is laid on supporting rack 1, and the escalator groove has been seted up at top surface steel sheet 103 middle part, escalator groove and 12 adaptations of escalator mounting groove, through top surface steel sheet 103's setting, is convenient for improve the up end roughness of support frame 1, improves the security of this construction cat ladder.
The escalator 7 comprises an escalator beam 703, escalator pedals 701 and escalator guardrails 702, wherein the escalator beam 703 is rotatably mounted on the supporting frame 1 through an escalator connecting steel plate 5, two ends of the escalator pedals 701 are respectively fixedly connected with the escalator beam 703, and the escalator guardrails 702 are fixedly mounted on the escalator beam 703.
In this embodiment, a gap is left between the upper end of the escalator beam 703 and the supporting frame beam 102 to prevent the shaft pin for connecting the escalator from propping against the supporting frame when the height of the lower end of the ladder is adjusted; the escalator pedals 701 are in an L shape to increase the rigidity of the pedals and prevent the feet of people from being kicked; the pedal and the horizontal line form an angle range of-10 degrees to 10 degrees, and the distance is about 200 mm to 250mm, so that a person can conveniently step on the pedal.
A steel wire rope 705 is fixedly connected between the escalator guardrail 702 and the guardrail upright post 104, a supporting rack guardrail hanging ring 106 is arranged on the guardrail upright post 104, a guardrail hanging ring 704 is arranged on the upright post of the escalator guardrail 702, two ends of the steel wire rope 705 are respectively connected with the supporting rack guardrail hanging ring 106 and the guardrail hanging ring 704, the escalator guardrail is connected with a guardrail component on the supporting rack through the steel wire rope 705, and the protection capability of the guardrail is improved.
The lifting assembly comprises an escalator support, a chain 804 and a chain block 803, the chain block is arranged on the lower end face of the supporting frame 1, the chain 804 is arranged on the chain block 803, the escalator support is rotatably arranged at the end part of the escalator 7 and is connected with the chain 804, and the chain 804 is adjusted through the chain block 803, so that the end part of the escalator 7 is adjusted.
The escalator support comprises a hanging strip 806, a cross rod 807 and a lower shaft pin 808, the cross rod 807 and the lower shaft pin 808 are arranged in parallel, the cross rod 807 and the lower shaft pin 808 are connected through the hanging strip 806, a lower hanging ring 805 is fixedly connected above the cross rod 807, and the lock chain 804 is matched with the lower hanging ring 805.
In this embodiment, in order to facilitate the installation of the chain block 803, the upper hanging ring 801 is fixedly connected to the middle portion of the second support frame longitudinal beam 107, and the chain block 803 is connected to the upper hanging ring 801 through the shackle 802.
In order to facilitate the installation of the pulley 2, a bottom surface shaft pin steel plate 4 is fixedly connected to the lower end surface of the supporting frame 1, and the pulley 2 is rotatably installed on the bottom surface shaft pin steel plate 4 through an upper shaft pin 3.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a portable construction cat ladder, its characterized in that includes supporting rack (1), lifting unit and escalator (7), and the one end of escalator (7) is rotated and is installed on supporting rack (1), and lifting unit fixed mounting is on supporting rack (1), and is connected with the other end of escalator (7), and pulley (2) are installed to the bottom of supporting rack (1).
2. A mobile construction ladder as claimed in claim 1, wherein the support frame (1) is provided with an escalator mounting groove (12) in the middle, the escalator (7) being rotatably mounted on one side of the escalator mounting groove (12), and the elevating unit being mounted on the other side of the escalator mounting groove (12).
3. A mobile construction ladder according to claim 1, characterised in that the supporting frame (1) comprises a supporting frame cross member (102), a first supporting frame longitudinal member (101) and a second supporting frame longitudinal member (107), the first supporting frame longitudinal member (101) and the second supporting frame longitudinal member (107) being arranged in parallel, and the supporting frame cross member (102) being fixedly connected to both sides of the first supporting frame longitudinal member (101) and the second supporting frame longitudinal member (107).
4. A mobile construction ladder according to claim 3, wherein the first support frame longitudinal beam (101) and the second support frame longitudinal beam (107) are each provided with a barrier assembly comprising a plurality of barrier rails (105) and a plurality of mutually parallel barrier uprights (104), the barrier rails (105) being fixedly mounted between adjacent barrier uprights (104).
5. The movable construction ladder stand as claimed in claim 3, wherein a top steel plate (103) is laid on the support frame (1), an escalator groove is formed in the middle of the top steel plate (103), and the escalator groove is matched with the escalator mounting groove (12).
6. The mobile construction ladder according to claim 4, wherein the escalator (7) comprises an escalator beam (703), escalator treads (701) and escalator guardrails (702), the escalator beam (703) is rotatably mounted on the support frame (1) through an escalator connecting steel plate (5), two ends of the escalator treads (701) are respectively fixedly connected with the escalator beam (703), and the escalator guardrails (702) are fixedly mounted on the escalator beam (703).
7. A mobile construction ladder as claimed in claim 6, characterised in that a steel cable (705) is fixedly connected between the escalator balustrade (702) and the balustrade upright (104).
8. A mobile construction ladder as claimed in claim 1, wherein the lifting assembly comprises an escalator frame, a chain (804) and a chain block (803), the chain block being mounted on the lower end surface of the supporting frame (1), the chain (804) being mounted on the chain block (803), the escalator frame being rotatably mounted on the end of the escalator (7) and being connected to the chain (804).
9. The movable construction ladder stand as claimed in claim 8, wherein the ladder support comprises a hanging strip (806), a cross rod (807) and a lower shaft pin (808), the cross rod (807) and the lower shaft pin (808) are arranged in parallel, the cross rod (807) and the lower shaft pin (808) are connected through the hanging strip (806), a lower hanging ring (805) is fixedly connected above the cross rod (807), and the lock chain (804) is matched with the lower hanging ring (805).
10. The mobile construction ladder according to claim 1, wherein a bottom surface axle pin steel plate (4) is fixedly connected to the lower end surface of the supporting frame (1), and the pulley (2) is rotatably mounted on the bottom surface axle pin steel plate (4) through an upper axle pin (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122282323.2U CN216381184U (en) | 2021-09-18 | 2021-09-18 | Movable construction crawling ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122282323.2U CN216381184U (en) | 2021-09-18 | 2021-09-18 | Movable construction crawling ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216381184U true CN216381184U (en) | 2022-04-26 |
Family
ID=81241191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122282323.2U Active CN216381184U (en) | 2021-09-18 | 2021-09-18 | Movable construction crawling ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216381184U (en) |
-
2021
- 2021-09-18 CN CN202122282323.2U patent/CN216381184U/en active Active
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