CN219932054U - Ladder stand with protective net - Google Patents

Abstract

The utility model belongs to the field of ladders, and particularly relates to a ladder with a protective net, which solves the problems of inconvenient disassembly and poor flexibility in the prior art.

Description

Ladder stand with protective net

Technical Field

The utility model relates to the technical field of ladders, in particular to a ladder with a protective net.

Background

At present, as the affiliated facilities of urban inspection well, the cat ladder material has been made by adopting the reinforcing steel bar for a long time, but under many severe environmental conditions, such as inspection shaft, tunnel, chemical industry enterprise, occasion such as rainy and humid, the metal cat ladder is very easy to rust, influences safe in utilization, and life is also shorter, according to the service characteristics of cat ladder product, the novel high-end combined material that widely uses widely in the international develops and produces reinforcing thermosetting FRP combined material cat ladder, has overcome the numerous defects of metal cat ladder completely.

The ladder stand for building construction in the prior art has the following defects: the traditional cat ladder with the protective net is usually formed by winding a net frame on the cat ladder through iron wires, and then winding the edge of the protective net on the hand rest of the cat ladder, so that the traditional cat ladder is time-consuming in installation, and the iron wires are required to be detached during detachment, so that the cat ladder is quite inconvenient.

Disclosure of Invention

The utility model aims to provide a crawling ladder with a protective net, which solves the problems of inconvenient disassembly and assembly and poor flexibility.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the ladder with the protective net comprises a base and a plurality of protective net racks, wherein a ladder body is arranged on the base, the protective net racks are provided with the protective net, two ends of each protective net rack are fixedly connected with an upper clamp through screws, the upper clamp is movably hinged with a lower clamp, one sides of the upper clamp and one side of the lower clamp are respectively fixedly connected with an upper fixing block and a lower fixing block through screws, the bottoms of the upper fixing blocks are fixedly connected with mounting blocks through screws, and the interiors of the lower fixing blocks are respectively provided with a mounting groove and two clamping holes which are symmetrically arranged;

the inside of installation piece is equipped with sloping block and two symmetrical arrangement's fixture block respectively in a sliding manner, screw fixedly connected with pull rod is passed through to one side of fixture block, screw fixedly connected with dismantles the pole through the top of sloping block, sliding arrangement has two symmetrical arrangement's connecting rod on the sloping block, the other end of connecting rod passes through screw fixedly connected with the other end of pull rod.

Preferably, the lower clamp is rotatably provided with a screw, one end of the screw is rotatably provided with a clamping ring, the other end of the screw is fixedly connected with a turntable through a screw, and the clamping ring and the upper clamp are fixedly connected with friction pads.

Preferably, two symmetrically arranged clamping grooves are formed in the mounting block, the clamping blocks are slidably connected in the clamping grooves, clamping springs are welded on one sides of the clamping blocks, the other ends of the clamping springs are welded on the inner walls of the clamping grooves, and the clamping springs realize resetting of the clamping blocks.

Preferably, the installation block and the inner part of the upper fixing block are jointly provided with a groove, the inclined block is slidably connected in the groove, the top of the inclined block is welded with a reset spring, the other end of the reset spring is welded on the inner wall of the groove, and the reset spring realizes reset of the inclined block.

Preferably, two symmetrically arranged rolling grooves are formed in the inclined block, a rolling ball is arranged at one end of the connecting rod, the rolling ball is slidably connected in the rolling grooves, and the rolling ball enables the connecting rod to slide more stably.

Preferably, the lower clamp is provided with a threaded hole, the screw is in threaded connection with the inside of the threaded hole, and the threaded hole is arranged so that the screw can move forwards and backwards when rotating.

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

1. according to the utility model, through the arrangement of the clamping blocks, the dismounting rods and other structures, the dismounting rods are pulled, the movement of the clamping blocks is realized through the arrangement of the oblique blocks, the dismounting rods are loosened, the clamping springs and the reset springs realize the reset of the clamping blocks and the oblique blocks, so that the upper clamping hoop and the lower clamping hoop are mounted and dismounted, the protection net and the protection net frame are mounted and dismounted, and the structure is simple and the operation is convenient.

2. According to the utility model, through the arrangement of the structures such as the screw and the friction pad, the screw can move forwards and backwards due to the screw thread pushing principle between the screw and the threaded hole, the clamping ring is driven to move, the fixation of handrails with different sizes is realized, and the friction force between the upper clamping ring and the clamping ring as well as the handrails is increased through the friction pad, so that the installation is more stable, and the flexibility of the device is better.

Drawings

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

FIG. 2 is a front view of the present utility model;

FIG. 3 is a front view of the upper and lower clips of the present utility model;

fig. 4 is an enlarged view of the utility model at reference a.

In the figure: 1. a base; 2. a ladder body; 3. a protective net rack; 4. a clamping hoop is arranged; 5. a lower clamp; 6. an upper fixing block; 7. a lower fixing block; 8. a mounting block; 9. a clamping block; 10. a pull rod; 11. a sloping block; 12. a connecting rod; 13. disassembling the rod; 14. a clasp; 15. a friction pad; 16. and (3) a screw.

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.

Referring to fig. 1-4, a ladder with a protective net comprises a base 1 and a plurality of protective net racks 3, wherein a ladder body 2 is installed on the base 1, the protective net racks 3 are installed on the protective net racks 3, two ends of the protective net racks 3 are fixedly connected with an upper clamp 4 through screws, the upper clamp 4 is movably hinged with a lower clamp 5, one sides of the upper clamp 4 and the lower clamp 5 are respectively fixedly connected with an upper fixing block 6 and a lower fixing block 7 through screws, the bottoms of the upper fixing blocks 6 are fixedly connected with an installation block 8 through screws, and the interiors of the lower fixing blocks 7 are respectively provided with an installation groove and two clamping holes which are symmetrically arranged and are communicated; the inside of installation piece 8 is the sliding fit respectively and is equipped with sloping block 11 and two symmetrical arrangement's fixture block 9, screw fixedly connected with pull rod 10 is passed through to one side of fixture block 9, screw fixedly connected with dismantles pole 13 is passed through at the top of sloping block 11, sliding fit has two symmetrical arrangement's connecting rod 12 on sloping block 11, the other end of connecting rod 12 passes through screw fixedly connected at the other end of pull rod 10, through the setting of fixture block 9, dismantlement pole 13 isotructure, pulling dismantles pole 13, realize the motion of fixture block 9 through the setting of sloping block 11, loosen dismantlement pole 13, jump ring and reset spring realize the reset of fixture block 9 and sloping block 11, with this realization is gone up the installation and is dismantled of clamp 4 and lower clamp 5, with this realization protection network and protection network frame 3's installation and dismantlement, and structure are simple operation.

Referring to fig. 1-3, a screw 16 is rotatably installed on the lower clamp 5, a clamping ring 14 is rotatably installed at one end of the screw 16, a turntable is fixedly connected to the other end of the screw 16 through a screw, friction pads 15 are fixedly connected to the clamping ring 14 and the upper clamp 4, the screw 16 can be moved back and forth through the arrangement of the screw 16, the friction pads 15 and other structures due to the screw thread pushing principle between the screw 16 and a threaded hole, the clamping ring 14 is driven to move, the fixation of handrails with different sizes is realized, the friction force between the upper clamp 4 and the clamping ring 14 and the handrails is increased through the friction pads 15, and further the installation is more stable, so that the flexibility of the device is better.

Referring to fig. 1-4, two symmetrically arranged clamping grooves are formed in the mounting block 8, the clamping block 9 is slidably connected in the clamping groove, a clamping spring is welded on one side of the clamping block 9, the other end of the clamping spring is welded on the inner wall of the clamping groove, grooves are formed in the mounting block 8 and the upper fixing block 6 together, the inclined block 11 is slidably connected in the grooves, a reset spring is welded on the top of the inclined block 11, the other end of the reset spring is welded on the inner wall of the grooves, two symmetrically arranged rolling grooves are formed in the inclined block 11, a rolling ball is arranged at one end of the connecting rod 12 and slidably connected in the rolling grooves, a threaded hole is formed in the lower clamping hoop 5, and a screw 16 is in threaded connection with the threaded hole.

The specific implementation process of the utility model is as follows: pulling the dismounting rod 13 to drive the inclined block 11 to move, driving the connecting rod 12 to move by the inclined block 11, driving the pull rod 10 to move by the connecting rod 12, enabling the connecting rod 12 and the pull rod 10 to horizontally move by the limitation of the pull rod 10, driving the clamping block 9 to move into the clamping groove by the pull rod 10, loosening the dismounting rod 13, and enabling the clamping block 9 and the inclined block 11 to reset by the clamping spring and the reset spring, so that the upper clamp 4 and the lower clamp 5 are mounted and dismounted, and further the protection net frame 3 is mounted and dismounted;

further, due to the fact that the screw 16 can move forwards and backwards through the screw thread pushing principle between the screw 16 and the threaded hole, the clamping ring 14 is driven to move, the armrests with different sizes are fixed, friction force between the upper clamping hoop 4 and the clamping ring 14 and the armrests is increased through the friction pad 15, and therefore installation is stable.

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 (6)

1. The utility model provides a cat ladder of area protection network, includes base (1) and a plurality of protection network rack (3), its characterized in that: install cat ladder body (2) on base (1), a plurality of install the protection network on protection network rack (3), the both ends of protection network rack (3) are all through screw fixedly connected with clamp (4), the activity articulates on clamp (4) has lower clamp (5), go up clamp (4) with one side of clamp (5) is respectively through screw fixedly connected with fixed block (6) and lower fixed block (7), the bottom of going up fixed block (6) is through screw fixedly connected with installation piece (8), the mounting groove and two draw-in holes of symmetrical arrangement that are linked together are seted up respectively to the inside of lower fixed block (7);

inside of installation piece (8) is slip respectively equipped with sloping block (11) and two fixture blocks (9) of symmetrical arrangement, one side of fixture block (9) is through screw fixedly connected with pull rod (10), screw fixedly connected with dismantles pole (13) are passed through at the top of sloping block (11), slip is equipped with connecting rod (12) of two symmetrical arrangements on sloping block (11), the other end of connecting rod (12) is in through screw fixedly connected with the other end of pull rod (10).

2. The ladder with protective net according to claim 1, wherein: the clamping device is characterized in that a screw (16) is rotatably arranged on the lower clamp (5), a clamping ring (14) is rotatably arranged at one end of the screw (16), a turntable is fixedly connected with the other end of the screw (16) through a screw, and friction pads (15) are fixedly connected on the clamping ring (14) and the upper clamp (4).

3. The ladder with protective net according to claim 1, wherein: two symmetrically arranged clamping grooves are formed in the mounting block (8), the clamping blocks (9) are slidably connected in the clamping grooves, clamping springs are welded on one sides of the clamping blocks (9), and the other ends of the clamping springs are welded on the inner walls of the clamping grooves.

4. The ladder with protective net according to claim 1, wherein: the installation block (8) and the inside of the upper fixed block (6) are jointly provided with a groove, the inclined block (11) is in sliding connection with the inside of the groove, a reset spring is welded at the top of the inclined block (11), and the other end of the reset spring is welded on the inner wall of the groove.

5. The ladder with protective net according to claim 1, wherein: two symmetrically arranged rolling grooves are formed in the inclined block (11), rolling balls are arranged at one end of the connecting rod (12), and the rolling balls are connected in the rolling grooves in a sliding mode.

6. The ladder with protective net according to claim 2, wherein: the lower clamp (5) is provided with a threaded hole, and the screw rod (16) is in threaded connection with the inside of the threaded hole.