CN210370451U

CN210370451U - Movable cat ladder

Info

Publication number: CN210370451U
Application number: CN201920402249.3U
Authority: CN
Inventors: 陈洲
Original assignee: Bac Cooling Systems Suzhou Co ltd
Current assignee: BAC DALIAN Co.,Ltd.
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-04-21
Anticipated expiration: 2029-03-27

Abstract

The utility model relates to a movable cat ladder, include: the ladder stand comprises a ladder stand body and a roller adjusting device; the ladder stand body is provided with a support frame; the support frame is H-shaped; hollow sleeves are arranged in two sides of the lower end of the support frame; the roller adjusting device is arranged in the hollow sleeve of the supporting frame; the ladder stand body is provided with a platform; two ends of the platform are fixed through a support frame; the left end of the platform is provided with an inlet; a ladder stand is arranged at the lower end of the inlet; the included angle between the ladder and the platform is 75 degrees; a protective cover is arranged on the platform; the protective cover is provided with a cover plate; the cover plate is provided with a magnet adsorption device; the cover plate is provided with a rotating shaft. The utility model discloses a set up gyro wheel adjusting device, can the quick travel cat ladder, also can guarantee the stability of its during operation, through the setting of platform, can guarantee simultaneous working on bottom and the platform, increased work efficiency, the practicality is strong.

Description

Movable cat ladder

Technical Field

The utility model relates to a cooling tower installation field especially relates to a movable cat ladder.

Background

Among the prior art, to the panel mounting of cooling tower trade, because the connection structure and the panel size decision of panel, the panel mounting need climb up the fastening screw who climbs down when the main part closed operation is accomplished to the cooling tower to continuous moving ladder of ascending a height, the adjusting position, the installation is fixed and is got up very troublesome, the ladder is fixed insecure still has the safety risk, consequently the urgent need is a portable cat ladder that removes conveniently and can guarantee job stabilization.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a movable cat ladder of simple structure, job stabilization.

In order to guarantee in the use, can guarantee job stabilization, the utility model relates to a movable cat ladder, include:

the ladder stand comprises a ladder stand body and a roller adjusting device;

the ladder stand body is provided with a support frame; the support frame is H-shaped; hollow sleeves are arranged in two sides of the lower end of the support frame; the roller adjusting device is arranged in the hollow sleeve of the supporting frame; the ladder stand body is provided with a platform; two ends of the platform are fixed through a support frame; the left end of the platform is provided with an inlet; a ladder stand is arranged at the lower end of the inlet; the included angle between the ladder and the platform is 75 degrees; a protective cover is arranged on the platform; the protective cover is provided with a cover plate; the cover plate is provided with a magnet adsorption device; the cover plate is provided with a rotating shaft.

The beneficial effects of the utility model are that, through setting up gyro wheel adjusting device, can simply remove the cat ladder effectively, make it can be quick reach each work site, thereby also can be fixed through withdrawing the gyro wheel after targetting in place, can not produce and rock, through the setting of platform, all can work alone on can guaranteeing bottom and the platform, increased work efficiency, the design of lacing wire pole has guaranteed the steadiness of cat ladder more, and the practicality is strong.

Furthermore, a lacing wire rod is arranged on the support frame; the lacing bar rod is arranged diagonally. Through the design of lacing wire pole, arrange the lacing wire pole diagonal, connect respectively and fix on two support frames of symmetry, guaranteed the steadiness of cat ladder body, avoid it to produce not hard up and rock, guaranteed job stabilization nature.

Furthermore, a sliding groove is formed in the hollow sleeve; a movable rack is arranged in the sliding groove; a rolling gear is arranged in the hollow sleeve; the rolling gear is meshed with the moving rack. The movable rack is connected in the sliding groove and moves up and down in the sliding groove, so that the movable rack is prevented from deviating when moving, the rolling gear is meshed with the movable rack, the movable rack is driven to move up and down through the rotation of the rolling gear, and the operation is simple and convenient.

Furthermore, the rolling gear is provided with rolling auxiliary teeth and a rotating shaft; the rolling pair teeth are connected with the rolling gear through a rotating shaft. The rolling pair teeth are connected with the rolling gear through the rotating shaft, so that the rotating directions of the rolling pair teeth and the rolling gear are kept consistent.

Furthermore, a connecting rod is arranged on the supporting frame; the connecting rod is a hollow rod; a gear set is arranged in the connecting rod; a connecting shaft is arranged on the gear set; one end of the connecting shaft is fixed on the inner side of the connecting rod; a chain is arranged on the gear set; the rolling pair teeth are connected with the gear set through a chain. Through designing the gear train in the connecting rod, saved the space, also make cat ladder body outward appearance more pleasing to the eye. The chain is driven to rotate through the rotation of the gear set, and then the rolling auxiliary teeth and the rolling gear are driven to rotate through the rotation of the chain, so that the moving rack is driven to move, and the roller at the lower end of the moving rack is pulled to move up and down.

Furthermore, a rotating shaft is arranged on the gear set; the connecting rod is provided with a crank; the hand crank is fixedly connected with the rotating shaft. The rocking handle is used for rocking, so that the rotating shaft is driven to rotate, and the gear set is driven to rotate.

Further, the upper end and the lower end of the sliding groove are provided with protective pads; and pressure sensors are arranged at the upper end and the lower end of the sliding groove. Whether the movable rack moves in place or not can be sensed through the pressure sensor, and the movable rack is prevented from being collided with the sliding groove due to the fact that the movable rack moves too fast under the action of the protection pad.

Further, the roller adjusting device is provided with a roller; the roller is provided with a connecting plate; the connecting plate is fixedly connected with the lower end of the movable rack; a limiting hole is formed in the connecting plate; a movable limiting block is arranged in the hollow sleeve. Through the connecting plate with remove the rack lower extreme and be connected, simple and convenient reciprocates the gyro wheel, the practicality is strong.

Further, a bolt hole is formed in the platform; the cover plate is provided with a fixing pin; the fixing pins and the bolt holes are symmetrically arranged. Through the effect of bolt hole and fixed pin, when the apron covered the platform entry, can be more firm fix, avoid the apron to produce and rock.

Furthermore, the bottom end of the support frame is provided with an anti-skid friction pad. After the roller moves upwards into the hollow sleeve, the bottom end of the support frame directly contacts with the ground, and the friction of the bottom of the support frame is further increased by the anti-skid friction pad, so that the stability is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a movable ladder of the present invention;

FIG. 2 is a sectional view of two sides of the lower end of the support frame of the movable ladder stand;

FIG. 3 is a side view of the lower end of the support frame of the movable ladder stand of the present invention;

fig. 4 is a cover plate diagram of the movable ladder stand of the present invention.

The corresponding part names indicated by the numbers in the figures:

1. a ladder body; 2. a roller adjusting device; 3. a support frame; 4. a platform; 5. an inlet; 6. climbing a ladder; 7. a protective cover; 8. a cover plate; 9. a tie bar; 10. a pin hole; 11. the lower end of the supporting frame; 12. a hollow sleeve; 13. a sliding groove; 14. moving the rack; 15. a rolling gear; 16. rolling pair teeth; 17. a rotating shaft; 18. a connecting rod; 19. a gear set; 20. a connecting shaft; 21. a chain; 22. a protection pad; 23. a pressure sensor; 24. a roller; 25. a connecting plate; 26. moving the lower end of the rack; 27. a limiting hole; 28. moving the limiting block; 29. an anti-slip friction pad; 30. a rotating shaft; 31. a hand crank; 32. a magnet adsorption device; 33. a rotating shaft; 34. And fixing the pin.

Detailed Description

The following detailed description is made in conjunction with specific embodiments of the present invention:

the ladder comprises a ladder body 1 and a roller adjusting device 2;

the ladder stand body 1 is provided with a support frame 3; the support frame 3 is H-shaped; a hollow sleeve 12 is arranged in each of two sides of the lower end of the support frame 3; the roller adjusting device 2 is arranged in the hollow sleeve 12 of the support frame 3; the ladder stand body 1 is provided with a platform 4; two ends of the platform 4 are fixed through the support frame 3; the left end of the platform 4 is provided with an inlet 5; the lower end of the inlet 5 is provided with a ladder stand 6; the included angle between the ladder stand 6 and the platform 4 is 75 degrees; the platform 4 is provided with a protective cover 7; the protective cover 7 is provided with a cover plate 8; the cover plate 8 is provided with a magnet adsorption device 32; the cover plate 8 is provided with a rotating shaft 33.

The beneficial effects of the utility model are that, through setting up gyro wheel adjusting device 2, can simply remove the cat ladder effectively, make each workplace of reacing that it can be quick, thereby also can be fixed through withdrawing gyro wheel 24 after targetting in place, can not produce and rock, through the setting of platform 4, can guarantee all to have alone can carry out work on bottom and the platform 4, increased work efficiency, the steadiness of cat ladder has been guaranteed more in the design of lacing wire pole 9, the practicality is strong.

Furthermore, a tie bar rod 9 is arranged on the support frame 3; the lacing bar rods 9 are arranged diagonally. Through the design of lacing wire pole 9, with lacing wire pole 9 diagonal angle arrangement, connect respectively and fix on two support frames 3 of symmetry, guaranteed cat ladder body 1's steadiness, avoid its production not hard up and rock, guaranteed the stability of work.

Further, a sliding groove 13 is arranged in the hollow sleeve 12; a movable rack 14 is arranged in the sliding groove 13; a rolling gear 15 is arranged in the hollow sleeve 12; the rolling gear 15 is engaged with the moving rack 14. The movable rack 14 is connected in the sliding groove 13 and moves up and down in the sliding groove 13, so that the movable rack 14 is prevented from deviating during moving, the rolling gear 15 is meshed with the movable rack 14, the movable rack 14 is driven to move up and down by the rotation of the rolling gear 15, and the operation is simple and convenient.

Further, the rolling gear 15 is provided with rolling auxiliary teeth 16 and a rotating shaft 17; the rolling pair teeth 16 are connected with the rolling gear 15 through a rotating shaft 17. The rolling pair teeth 16 are connected to the rolling gear 15 through a rotation shaft 17 such that the rolling pair teeth 16 are aligned with the rotation direction of the rolling gear 15.

Further, a connecting rod 18 is arranged on the support frame 3; the connecting rod 18 is a hollow rod; a gear set 19 is arranged in the connecting rod 18; the gear set 19 is provided with a connecting shaft 20; one end of the connecting shaft 20 is fixed on the inner side of the connecting rod 18; a chain 21 is arranged on the gear set 19; the rolling pair teeth 16 are connected with a gear set 19 through a chain 21. By designing the gear set 19 in the connecting rod 18, space is saved, and the appearance of the ladder stand body 1 is more attractive. The rotation of the gear set 19 drives the chain 21 to rotate, and further the rotation of the chain 21 drives the rolling pair teeth 16 and the rolling gear 15 to rotate, so as to drive the moving rack 14 to move, and further the roller 24 at the lower end of the moving rack 14 is pulled to move up and down.

Further, a rotating shaft 30 is arranged on the gear set 19; the connecting rod 18 is provided with a crank 31; the hand crank 31 is fixedly connected with the rotating shaft 30. The rocking handle 31 is used for rocking, so that the rotating shaft 30 is driven to rotate, and the gear set 19 is driven to rotate.

Further, the upper end and the lower end of the sliding groove 13 are provided with a protection pad 22; and pressure sensors 23 are arranged at the upper end and the lower end of the sliding groove 13. The pressure sensor 23 can sense whether the moving rack 14 is moved in place, and the protection pad 22 prevents the moving rack 14 from moving too fast to collide with the sliding groove 13.

Further, the roller adjusting device 2 is provided with a roller 24; the roller 24 is provided with a connecting plate 25; the connecting plate 25 is fixedly connected with the lower end 26 of the movable rack; a limiting hole 27 is formed in the connecting plate 25; a movable limiting block 28 is arranged in the hollow sleeve 12. The roller 24 is simply and conveniently moved up and down by connecting the connecting plate 28 with the lower end of the movable rack 14, and the practicability is strong.

Further, a bolt hole 10 is formed in the platform 4; the cover plate 8 is provided with a fixing pin 34; the fixing pins 34 and the latch holes 10 are symmetrically arranged. Through the effect of bolt hole 10 and fixed pin 34, when apron 8 covers platform 4 entry 6, can be more firm fix, avoid apron 8 to produce and rock.

Further, the bottom end of the support frame 3 is provided with an anti-skid friction pad 29. After the roller 24 moves upwards into the hollow sleeve 12, the bottom end of the support frame 3 directly contacts with the ground, and the anti-skid friction pad 29 further increases the friction at the bottom of the support frame 3, so that the stability is ensured.

In practical operation, when the ladder needs to be moved, the hand crank 31 on the connecting rod 18 is used for shaking to drive the gear set 19 to rotate, the hand crank 31 can be replaced by a motor to be connected with the connecting shaft 20, thereby driving the gear set 19 to rotate, the gear set 19 drives the rolling auxiliary teeth 16 to rotate through the chain 21, the rolling auxiliary teeth 16 drives the rolling gear 15 to rotate through the rotating shaft 17, the rolling gear 15 is meshed with the moving rack 14, and further drives the moving rack 14 to move, because the lower end of the movable rack 14 is fixedly connected with the connecting plate 25 on the roller 24, the roller 24 is driven to move downwards out of the hollow sleeve 12, after the roller 24 moves down to the right position, the roller 24 is locked by inserting the movable limiting block 28 into the limiting hole 27 of the connecting plate 25, so that the roller 24 is prevented from shaking, and the stable movement of the ladder stand is ensured. Once in position, the roller 24 is retracted into the hollow sleeve 12, again by the action of the gear set 19, so that stable operation is possible. The roller 24 may also be provided with a limiting hole 27 identical to that of the connecting plate 25, and after the roller 24 retracts into the hollow sleeve 12, the limiting hole 27 is inserted into the roller again by moving the limiting block 28, so as to fix the roller in the hollow sleeve 12. The staff on the platform 4 is through going up back to the platform 4 through the cat ladder, through covering 5 departments with apron 8, guarantees the security of its work, and rotation axis one end on the apron 8 is connected with apron 8, and one end is connected with platform 4 to the realization is rotated.

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 invention. 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.

Claims

1. A movable ladder stand is characterized by comprising a ladder stand body and a roller adjusting device;

2. The movable ladder of claim 1, wherein: a tie bar rod is arranged on the support frame; the lacing bar rod is arranged diagonally.

3. The movable ladder of claim 1, wherein: a sliding groove is formed in the hollow sleeve; a movable rack is arranged in the sliding groove; a rolling gear is arranged in the hollow sleeve; the rolling gear is meshed with the moving rack.

4. The movable ladder of claim 3, wherein: the rolling gear is provided with rolling auxiliary teeth and a rotating shaft; the rolling pair teeth are connected with the rolling gear through a rotating shaft.

5. The movable ladder of claim 4, wherein: the support frame is provided with a connecting rod; the connecting rod is a hollow rod; a gear set is arranged in the connecting rod; a connecting shaft is arranged on the gear set; one end of the connecting shaft is fixed on the inner side of the connecting rod; a chain is arranged on the gear set; the rolling pair teeth are connected with the gear set through a chain.

6. The movable ladder of claim 5, wherein: a rotating shaft is arranged on the gear set; the connecting rod is provided with a crank; the hand crank is fixedly connected with the rotating shaft.

7. The movable ladder of claim 3, wherein: the upper end and the lower end of the sliding groove are provided with protective pads; and pressure sensors are arranged at the upper end and the lower end of the sliding groove.

8. The movable ladder of claim 3, wherein: the roller adjusting device is provided with a roller; the roller is provided with a connecting plate; the connecting plate is fixedly connected with the lower end of the movable rack; a limiting hole is formed in the connecting plate; a movable limiting block is arranged in the hollow sleeve.

9. The movable ladder of claim 1, wherein: a bolt hole is formed in the platform; the cover plate is provided with a fixing pin; the fixing pins and the bolt holes are symmetrically arranged.

10. The movable ladder of claim 1, wherein: the bottom end of the support frame is provided with an anti-skid friction pad.