CN221169399U

CN221169399U - Construction safety ladder

Info

Publication number: CN221169399U
Application number: CN202323305892.XU
Authority: CN
Inventors: 高全明; 董会明; 胡波
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-12-05
Filing date: 2023-12-05
Publication date: 2024-06-18
Anticipated expiration: 2033-12-05

Abstract

The utility model belongs to the technical field of construction equipment, and provides a construction safety ladder, which comprises: the first ladder is movably hinged with the second ladder at one side, fixed climbing rods are arranged at one side of the first ladder and one side of the second ladder, and the second ladder is of a hollow structure; according to the folding ladder, the purposes of shortening the whole length and bringing convenience are achieved by arranging the first and second foldable ladders, the size of the ladder is reduced in a folding mode, the situation that the ladder is not easy to bring in a place with a certain amount of intricacies on a construction site is avoided, meanwhile, in order to ensure the stability of the whole structure in use, the retractable support rods are arranged in the first ladder, the support rods are matched with the support holes, the whole structure can not be folded accidentally in the use process, and the use safety of the device is ensured.

Description

Construction safety ladder

Technical Field

The utility model belongs to the technical field of construction equipment, and particularly relates to a construction safety ladder.

Background

Along with the rapid development of urban construction, the cat ladder is used as the tool of climbing and ascending, and in the various building constructions of wide application, the cat ladder on the market at present has double ladder, folding ladder, rope ladder, cat ladder etc. can make things convenient for the staff to carry out the operation in the eminence, and the cat ladder is normal upright ladder state when using, and the staff leans on the cat ladder on the wall and uses.

Through retrieval, the patent with publication number CN216277634U discloses an industrial engineering construction safety cat ladder, which comprises a stay, a pedal spacing adjusting component and a supporting component; the support column is provided with two sets of, two sets of the top and the bottom that the support column is close to one side each other all fixedly connected with the connecting rod, two sets of the inside draw-in groove of keeping away from each other of support column has evenly been seted up to one side.

The above patent suffers from the following disadvantages: this cat ladder has set up the structure that supports and adjusts the distance, but considers ladder itself structure great, carries inconvenient when making a round trip to carry, and the ladder is difficult to carry in the place of some intricate and complicated at the job site smoothly, and the height of this ladder is fixed unadjustable simultaneously, often can be because ladder self length restriction when needing to climb to higher place, causes work to be difficult to develop.

Disclosure of utility model

The utility model aims to provide a construction safety ladder for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a construction safety ladder comprising:

The first ladder is movably hinged with the second ladder at one side, fixed climbing rods are arranged at one side of the first ladder and one side of the second ladder, and the second ladder is of a hollow structure;

The support assembly is arranged on one side of the first ladder close to the second ladder, the support assembly comprises a cavity arranged on one side of the first ladder and a support rod movably arranged in the cavity, a support hole is arranged on one side of the second ladder, the support hole is arranged corresponding to the support rod, and one end of the support rod extends into the support hole;

Extension subassembly, extension subassembly sets up in second ladder and keeps away from first ladder one side, extension subassembly is including being located the inside movable mounting's of second ladder extension pole, there are a plurality of flexible pole climbs through screw thread swing joint between the extension pole.

Preferably, two cavities are formed in one side, close to the second ladder, of the first ladder, the two cavities are arranged on two sides of the first ladder in a symmetrical mode, the two cavities are internally provided with supporting plates in a fixed mode, supporting rods are movably mounted in the supporting plates through grooves, the supporting rods are movably attached to grooves in the supporting plates, a baffle is fixedly mounted on one side, away from the supporting plates, of the supporting rods, and reset springs are connected between the baffle and the supporting plates.

Preferably, two supporting holes are symmetrically formed in one side, close to the cavity, of the second ladder, the two supporting holes are correspondingly formed in the supporting rods, one end, close to the second ladder, of each supporting rod stretches into the supporting holes, sliding grooves are formed in one side, close to the cavity, of each first ladder, and the sliding grooves are communicated with the inside of the cavity.

Preferably, a sliding block is movably arranged in the sliding groove, the sliding block is in sliding fit with the inner wall of the sliding groove, and one side, close to the cavity, of the sliding block is fixedly connected with the baffle.

Preferably, the second ladder is inside to be kept away from first ladder one side fixed mounting and has the fixed plate, the extension rod is inside to be close to fixed plate one side and to be installed the threaded rod through the screw thread spin, the threaded rod is close to fixed plate one end and passes through bearing and fixed plate swing joint, the fixed plate is kept away from threaded rod one side and has driven bevel gear through bearing swing joint, driven bevel gear is connected with the axle transmission of threaded rod.

Preferably, a driving bevel gear is movably mounted on one side, close to the driven bevel gear, of the second ladder through a bearing, the driving bevel gear is meshed with the driven bevel gear, a knob is movably mounted on one side, close to the driving bevel gear, of the second ladder, and the knob is in transmission connection with a shaft of the driving bevel gear.

Preferably, the spacing groove has been seted up in the second ladder outside, spacing groove and the inside intercommunication setting of second ladder, spacing inslot movable mounting has the stopper, stopper and the laminating of spacing inslot wall slip, the stopper is close to inside one side of second ladder and extension rod fixed connection.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the folding ladder, the purposes of shortening the whole length and bringing convenience are achieved by arranging the first and second foldable ladders, the size of the ladder is reduced in a folding mode, the situation that the ladder is not easy to bring in a place with a certain amount of intricacies on a construction site is avoided, meanwhile, in order to ensure the stability of the whole structure in use, the retractable support rods are arranged in the first ladder, the support rods are matched with the support holes, the whole structure can not be folded accidentally in the use process, and the use safety of the device is ensured.

(2) According to the telescopic extension rod, the telescopic extension rod is arranged in the second ladder, the threaded rod is arranged in the extension rod, the extension rod is driven by the threaded rod to complete the telescopic action, the extension rod can extend out of the second ladder by rotating the knobs on two sides, the whole structure is prolonged, and meanwhile, the extended extension rods can be connected with the telescopic climbing rod through threads, so that an operator can climb to a higher place, the operator can easily unfold the telescopic extension rod, and the practicability of the telescopic extension rod is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a folded state structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 4 is a schematic view of a support rod mounting structure according to the present utility model;

FIG. 5 is a schematic view of an extension rod mounting structure of the present utility model;

Fig. 6 is an enlarged schematic view of the structure of the present utility model at B.

In the figure: 1. a first ladder; 11. a second ladder; 12. fixing a climbing rod; 2. a support assembly; 21. a cavity; 22. a support plate; 23. a support rod; 24. a baffle; 25. a return spring; 26. a support hole; 27. a chute; 28. a slide block; 3. an extension assembly; 31. an extension rod; 32. a telescopic climbing rod; 33. a fixing plate; 34. a threaded rod; 35. a driven bevel gear; 36. a driving bevel gear; 37. a knob; 38. a limit groove; 39. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

Referring to fig. 1-4, a construction safety ladder, comprising:

The first ladder 1, one side of the first ladder 1 is movably hinged with the second ladder 11, one sides of the first ladder 1 and the second ladder 11 are both provided with fixed climbing poles 12, and the second ladder 11 is of a hollow structure;

The support assembly 2 is arranged on one side of the first ladder 1, close to the second ladder 11, the support assembly 2 comprises a cavity 21 arranged on one side of the first ladder 1 and a support rod 23 movably arranged in the cavity 21, one side of the second ladder 11 is provided with a support hole 26, the support hole 26 is arranged corresponding to the support rod 23, and one end of the support rod 23 extends into the support hole 26;

extension subassembly 3, extension subassembly 3 set up in second ladder 11 keep away from first ladder 1 one side, and extension subassembly 3 is including being located the inside movable mounting's of second ladder 11 extension pole 31, has a plurality of flexible pole climbs 32 through screw thread swing joint between the extension pole 31.

Specifically, two cavities 21 are arranged on one side of the first ladder 1 close to the second ladder 11, the two cavities 21 are symmetrically arranged on two sides of the first ladder 1, supporting plates 22 are fixedly arranged in the two cavities 21, supporting rods 23 are movably mounted in the supporting plates 22 through grooves, the supporting rods 23 are movably attached to the inner grooves of the supporting plates 22, a baffle 24 is fixedly mounted on one side, away from the supporting plates 22, of the supporting rods 23, and a reset spring 25 is connected between the baffle 24 and the supporting plates 22.

From the above, it is known that setting up folding first ladder 1 and second ladder 11, realize shortening whole length, and portable's purpose, reduce the volume of ladder through folding mode, the inside hollow structure that is for conveniently placing extension rod 31 of second ladder 11, backup pad 22 plays the effect of support, baffle 24 also laminates with cavity 21 inner wall, backup pad 22 and baffle 24 cooperation can play spacing effect to bracing piece 23, make bracing piece 23 can not take place to deviate at the in-process position of removal, guarantee that bracing piece 23 can get into inside supporting hole 26 accurately, reset spring 25 can drive bracing piece 23 and accomplish the reduction.

Specifically, two supporting holes 26 are symmetrically formed in one side, close to the cavity 21, of the second ladder 11, the two supporting holes 26 are correspondingly arranged with the supporting rods 23, one end, close to the second ladder 11, of the supporting rods 23 stretches into the supporting holes 26, sliding grooves 27 are formed in one side, close to the cavity 21, of the first ladder 1, the sliding grooves 27 are communicated with the cavity 21, sliding blocks 28 are movably mounted in the sliding grooves 27, the sliding blocks 28 are in sliding fit with the inner walls of the sliding grooves 27, and one side, close to the cavity 21, of the sliding blocks 28 is fixedly connected with the baffle 24.

It can be seen from the above that, the two supporting holes 26 are provided to cooperate with the supporting rod 23, the supporting rod 23 stretches into the supporting hole 26 to realize stability when the ladder is unfolded, the sliding groove 27 and the sliding block 28 are provided to facilitate the supporting rod 23 to be pulled out of the supporting hole 26, when the whole structure is required to be unfolded, the sliding block 28 is pulled first, the supporting rod 23 is driven to shrink into the cavity 21 by pulling the sliding block 28, the return spring 25 is in an extrusion state, no obstruction exists between the first ladder 1 and the second ladder 11, the two can be unfolded in parallel, the sliding block 28 is released after the expansion, the supporting rod 23 is driven by the return spring 25 to pop out of the cavity 21 and stretch into the supporting hole 26, and the whole structure is not folded and can be used normally.

Embodiment two:

referring to fig. 2 and fig. 5-6, a fixed plate 33 is fixedly installed on a side, away from the first ladder 1, of the second ladder 11, a threaded rod 34 is installed on a side, close to the fixed plate 33, of the extension rod 31 in a threaded manner, one end, close to the fixed plate 33, of the threaded rod 34 is movably connected with the fixed plate 33 through a bearing, a driven bevel gear 35 is movably installed on a side, away from the threaded rod 34, of the fixed plate 33 through a bearing, and the driven bevel gear 35 is in transmission connection with a shaft of the threaded rod 34.

Specifically, the inside driven bevel gear 35 side that is close to of second ladder 11 is through bearing movable mounting driving bevel gear 36, driving bevel gear 36 and driven bevel gear 35 meshing, the outside driven bevel gear 36 side movable mounting of second ladder 11 has knob 37, knob 37 and driving bevel gear 36's axle transmission is connected, spacing groove 38 has been seted up in the outside of second ladder 11, spacing groove 38 and the inside intercommunication setting of second ladder 11, spacing groove 38 inside movable mounting has stopper 39, stopper 39 and the laminating of spacing groove 38 inner wall slip, stopper 39 is close to the inside one side of second ladder 11 and extension rod 31 fixed connection.

From the above, it can be seen that the telescopic climbing rod 32 is movably connected with the device, the telescopic climbing rod 32 is similar to the existing telescopic rod structure, but needs to adopt metal materials with enough strength, and the like, and the threaded structures are arranged at two ends through bearings, then a threaded opening is arranged at one side of the extension rod 31, the telescopic climbing rod 32 is installed by utilizing threads, the fixing plate 33 plays a role of supporting the threaded rod 34, the extension rod 31 can be driven to move in the second ladder 11 in a telescopic manner by utilizing the threaded rod 34, meanwhile, the rotary knob 37 can be realized at the outer side of the second ladder 11 to drive the extension rod 31 to complete the telescopic action by matching the driven bevel gear 35, the driving bevel gear 36 and the knob 37, the limiting block 39 and the limiting groove 38 can limit the extension rod 31, the extension rod 31 is prevented from being separated from the second ladder 11, in specific use, the knob 37 is firstly rotated to drive the threaded rod 34 to rotate through the driving bevel gear 36 and the driven bevel gear 35, then the extension rod 31 slowly stretches out of the second ladder 11 under the driving of the threaded rod 34, and the extending length is enough, and then the telescopic climbing rod 32 is connected well, so that the telescopic climbing rod 31 can be completed, and the purpose can be recovered when the telescopic climbing rod is needed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A construction safety ladder, comprising:

The ladder comprises a first ladder (1), wherein a second ladder (11) is movably hinged to one side of the first ladder (1), fixed climbing rods (12) are arranged on one sides of the first ladder (1) and the second ladder (11), and the second ladder (11) is of a hollow structure;

The support assembly (2), the support assembly (2) is arranged on one side of the first ladder (1) close to the second ladder (11), the support assembly (2) comprises a cavity (21) arranged on one side of the first ladder (1) and a support rod (23) movably arranged in the cavity (21), a support hole (26) is arranged on one side of the second ladder (11), the support hole (26) is arranged corresponding to the support rod (23), and one end of the support rod (23) extends into the support hole (26);

Extension subassembly (3), extension subassembly (3) set up in second ladder (11) keep away from first ladder (1) one side, extension subassembly (3) are including being located extension rod (31) of the inside movable mounting of second ladder (11), there are a plurality of flexible pole climbs (32) through screw thread swing joint between extension rod (31).

2. The construction safety ladder according to claim 1, wherein two cavities (21) are formed in one side, close to the second ladder (11), of the first ladder (1), the two cavities (21) are symmetrically arranged on two sides of the first ladder (1), support plates (22) are fixedly mounted in the two cavities (21), support rods (23) are movably mounted in the support plates (22) through grooves, the support rods (23) are movably attached to inner grooves of the support plates (22), a baffle (24) is fixedly mounted on one side, far away from the support plates (22), of the support rods (23), and a reset spring (25) is connected between the baffle (24) and the support plates (22).

3. The construction safety ladder according to claim 2, wherein two supporting holes (26) are symmetrically formed in one side, close to the cavity (21), of the second ladder (11), the two supporting holes (26) are arranged corresponding to the supporting rods (23), one end, close to the second ladder (11), of each supporting rod (23) stretches into the supporting holes (26), sliding grooves (27) are formed in one side, close to the cavity (21), of each first ladder (1), and the sliding grooves (27) are communicated with the cavity (21).

4. A construction safety ladder according to claim 3, wherein a sliding block (28) is movably mounted in the sliding groove (27), the sliding block (28) is in sliding fit with the inner wall of the sliding groove (27), and one side, close to the inner part of the cavity (21), of the sliding block (28) is fixedly connected with the baffle plate (24).

5. The construction safety ladder according to claim 1, wherein a fixing plate (33) is fixedly installed on one side, away from the first ladder (1), of the second ladder (11), a threaded rod (34) is installed on one side, close to the fixing plate (33), of the inside of the extension rod (31) through threaded screwing, one end, close to the fixing plate (33), of the threaded rod (34) is movably connected with the fixing plate (33) through a bearing, a driven bevel gear (35) is movably installed on one side, away from the threaded rod (34), of the fixing plate (33), and the driven bevel gear (35) is in shaft transmission connection with the threaded rod (34).

6. The construction safety ladder according to claim 5, wherein a driving bevel gear (36) is movably mounted on one side, close to the driven bevel gear (35), of the second ladder (11), the driving bevel gear (36) is meshed with the driven bevel gear (35), a knob (37) is movably mounted on one side, close to the driving bevel gear (36), of the outer portion of the second ladder (11), and the knob (37) is in transmission connection with a shaft of the driving bevel gear (36).

7. The construction safety ladder according to claim 6, wherein a limiting groove (38) is formed in the outer side of the second ladder (11), the limiting groove (38) is communicated with the inner side of the second ladder (11), a limiting block (39) is movably mounted in the limiting groove (38), the limiting block (39) is in sliding fit with the inner wall of the limiting groove (38), and one side, close to the inner side of the second ladder (11), of the limiting block (39) is fixedly connected with the extension rod (31).