CN218894607U

CN218894607U - Ladder for overturning and sampling

Info

Publication number: CN218894607U
Application number: CN202223342472.4U
Authority: CN
Inventors: 张晓军; 郭宝瑞
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-21
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a turnover sampling ladder, which comprises an iron plate and a ladder, wherein a pedal assembly is connected between the iron plate and the ladder, a guardrail assembly is fixed at the top of the pedal assembly, the pedal assembly consists of a first pedal, a middle pedal and a second pedal, one end of the first pedal is rotationally connected with the ladder through a rotating shaft, and the second pedal is rotationally connected with the iron plate through the rotating shaft; according to the utility model, through the designed pedal assembly and guardrail assembly, the pedal assembly consists of the middle pedal, the first pedal, the second pedal, the shaft disc, the adjusting toothed plates and the driving fluted disc, the driving fluted disc is driven to rotate through the rotation of the shaft disc, the driving fluted disc and the two adjusting toothed plates are in meshed transmission, and the first pedal and the second pedal are driven to carry out position adjustment, so that the integral length of the pedal assembly is adjusted along with the distance between a train and a platform, and the passing safety coefficient of the utility model is improved.

Description

Ladder for overturning and sampling

Technical Field

The utility model belongs to the technical field of equipment overhaul, and particularly relates to a ladder for overturning and sampling.

Background

In sampling test work, the sampling work in a freight train carriage is frequently encountered, because of design reasons, a platform on which a person can walk at a sampling point is about 600MM away from the train carriage, a vertical ladder is generally placed in the carriage during sampling, then the person directly spans the distance of 600MM, steps on the ladder to descend into the carriage, or a small iron plate or a wood plate is placed between the platform and the train carriage, then the vertical ladder is placed in the carriage, the person steps on the iron plate or the wood plate and the ladder to descend into the carriage, a plurality of unsafe factors exist in the two sampling modes at present, such as safety accidents that no safety station is very easy to fall, and the turnover sampling ladder is adopted for preventing the accidents, so that the operation is convenient and easy to understand, the working efficiency is improved, and the potential safety hazards are eliminated when the person directly spans the distance between the platform and the train carriage or steps on the temporarily overlapped wood plate and the iron plate are spanned; the device has the advantages of simple structure and manufacture, low manufacturing cost, good applicability, firmness and durability.

When the existing ladder for overturning sampling is used, the ladder is installed on the platform through the iron plate, when the ladder is used, the pedal is overturned and is put between a train and the platform, then the movable ladder is overturned downwards and is obliquely put in a carriage, the ladder is convenient to sample and tread up and down, the ladder is retracted after the ladder is used, and the following defects exist:

(1) When the existing ladder for overturning sampling is used, the length of the pedal between the iron plate and the ladder is fixed, so that when the actual sampling is trampled, when the distance between the train and the platform is different, the distance between the pedal and the train is larger, and when a worker enters the train through the pedal, the problem of the safety factor is solved, and therefore the ladder for overturning sampling is provided.

Disclosure of Invention

The utility model aims to provide a turnover sampling ladder, which solves the problems that in the prior art, the length of a pedal is fixed and is often limited by the non-uniform spacing between a train and a platform, and the spacing cannot be matched, so that the safety coefficient is low when the turnover sampling ladder passes through.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ladder is used in upset sample, includes iron plate and ladder, be connected with the footboard subassembly between iron plate and the ladder, the top of footboard subassembly is fixed with the guardrail subassembly, the footboard subassembly comprises first footboard, middle footboard and second footboard, the one end of first footboard is rotated through the pivot with the ladder and is connected, the second footboard is rotated through the pivot with iron plate and is connected, the mounting hole has been seted up on the surface of middle footboard, the internally mounted of mounting hole has the axle dish, the bottom cover of axle dish is equipped with the drive fluted disc, the both sides of drive fluted disc are all connected with the regulation pinion through the meshing, and two regulation pinion racks are installed respectively on first footboard and second footboard, the outside of adjusting the pinion rack is provided with the chassis, the chassis is fixed on the surface of middle footboard.

Preferably, the surface of the shaft disc is provided with stop holes in a circular array, the inner wall of the mounting hole is provided with slots, and a stop pin is jointly inserted between one of the stop holes and the slot.

Preferably, the surface of the adjusting toothed plate is provided with a limiting hole, a limiting block is arranged in the limiting hole, and the limiting block is fixed on the bottom surface of the middle pedal.

Preferably, the longitudinal section of the limiting block is of a convex structure, and the longitudinal section of the underframe is of a U-shaped structure.

Preferably, the bottom surface symmetry of middle footboard is fixed with two reinforcing rods, the both ends outer wall of reinforcing rod all overlaps and is equipped with the reinforcement sleeve, and two reinforcement sleeves are fixed respectively on corresponding first footboard and second footboard.

Preferably, the guardrail assembly comprises a fixed guard frame and two movable guard frames, the fixed guard frame is fixed on the middle pedal, the movable guard frames are respectively arranged on the surfaces of the first pedal and the second pedal, and one end of each movable guard frame is connected with the fixed guard frame in a sliding manner.

Preferably, the longitudinal section of the fixed guard frame is of a T-shaped structure, and the longitudinal section of the movable guard frame is of an L-shaped structure.

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

(1) The pedal assembly comprises an intermediate pedal, a first pedal, a second pedal, a shaft disc, an adjusting toothed plate and a driving fluted disc, the driving fluted disc is driven to rotate through the rotation of the shaft disc, the driving fluted disc and the two adjusting toothed plates are in meshed transmission, and then the first pedal and the second pedal are driven to carry out position adjustment, so that the integral length of the pedal assembly is adjusted along with the distance between a train and a platform, the passing safety coefficient is improved, the guardrail assembly is arranged on the pedal assembly, the length of the guardrail assembly is synchronously changed along with the adjustment of the pedal assembly, the passing safety is further improved, the stop pin is inserted into the stop hole and the slot through a designed stop pin, a slot and a stop hole, the shaft disc is locked, the integral length of the pedal assembly is further fixed, the adjusting toothed plate is slidingly limited on the intermediate pedal through a designed limiting block and a limiting hole, the first pedal and the second pedal are further prevented from being separated from the intermediate pedal, and the reinforcing rod and the reinforcing sleeve are moved in the reinforcing sleeve, and the bottom of the three pedals is prevented from collapsing.

Drawings

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

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a bottom view of the pedal assembly of the present utility model;

FIG. 4 is a partial cross-sectional view of the pedal assembly of the present utility model;

in the figure: 1. an iron plate; 2. a guardrail assembly; 3. fixing the protective frame; 4. a movable protective frame; 5. adjusting the toothed plate; 6. a ladder; 7. a first pedal; 8. a reinforcing rod; 9. an intermediate pedal; 10. a pedal assembly; 11. a second pedal; 12. a stop pin; 13. a mounting hole; 14. a shaft disc; 15. a stop hole; 16. reinforcing the sleeve; 17. a limiting block; 18. a chassis; 19. driving the fluted disc; 20. a limiting hole; 21. a slot.

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.

Examples

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a ladder for upset sampling, including iron plate 1 and ladder 6, be connected with footboard subassembly 10 between iron plate 1 and the ladder 6, the top of footboard subassembly 10 is fixed with guardrail subassembly 2, through iron plate 1 of design, ladder 6 and footboard subassembly 10, realize fixing the footboard in the platform department, its one end extends in train department, upset ladder 6 enters into the carriage, improve the sampling safety in the carriage of going into, thereby this structure convenient operation, it is easy to understand, work efficiency has been improved, the potential safety hazard has been eliminated directly crossing over the distance of platform and railway carriage or trample temporarily lapped plank, the iron plate is crossed over when producing, simultaneously the device structure and preparation are simple, the cost of manufacture is low, the applicability is good, sturdy and durable, footboard subassembly 10 comprises first footboard 7, intermediate footboard 9 and second footboard 11, the one end of first footboard 7 is rotated through the pivot with ladder 6 and is connected, the second pedal 11 is rotationally connected with the iron plate 1 through a rotating shaft, the pedal assembly 10 and the guardrail assembly 2 are designed, the pedal assembly 10 consists of an intermediate pedal 9, a first pedal 7, a second pedal 11, a shaft disc 14, an adjusting toothed plate 5 and a driving fluted disc 19, the driving fluted disc 19 is driven to rotate through the rotation of the shaft disc 14, the driving fluted disc 19 and the two adjusting toothed plates 5 are meshed for transmission, the first pedal 11 and the second pedal 11 are further driven to carry out position adjustment, the integral length of the pedal assembly 10 is adjusted along with the distance between a train and a platform, the passing safety coefficient of the utility model is improved, the guardrail assembly 2 is arranged on the pedal assembly 10, the length of the guardrail assembly is synchronously changed along with the adjustment of the pedal assembly 10, the passing safety is further increased, the surface of the intermediate pedal 9 is provided with a mounting hole 13, the shaft disc 14 is arranged in the interior of the mounting hole 13, the bottom end of the shaft disc 14 is sleeved with the driving fluted disc 19, the both sides of drive fluted disc 19 all are connected with through the meshing and adjust pinion rack 5, and two adjust pinion rack 5 install respectively on first footboard 7 and second footboard 11, the outside of adjusting pinion rack 5 is provided with chassis 18, chassis 18 is fixed on the surface of middle footboard 9, the surface of axle dish 14 has been seted up and has been circular array's the position hole 15 that ends, slot 21 has been seted up to the inner wall of mounting hole 13, the position round pin 12 that ends has been inserted jointly between one of them position hole 15 and the slot 21, stop round pin 12 through the design, slot 21 and position hole 15 that ends, with stopping round pin 12 insert in position hole 15 and slot 21, realize the locking of axle dish 14, and then it is fixed to pedal assembly 10's whole length.

In this embodiment, preferably, the surface of adjusting toothed plate 5 has been seted up spacing hole 20, the inside of spacing hole 20 is provided with stopper 17, stopper 17 is fixed on the bottom surface of middle footboard 9, stopper 17 and spacing hole 20 through the design, it is on middle footboard 9 to slide spacing with adjusting toothed plate 5, and then prevent that first footboard 7 and second footboard 11 from breaking away from with middle footboard 9, the longitudinal section of stopper 17 is protruding style of calligraphy structure, the longitudinal section of chassis 18 is U style of calligraphy structure, the bottom surface symmetry of middle footboard 9 is fixed with two stiffening rod 8, the both ends outer wall of stiffening rod 8 all overlaps and is equipped with reinforcing sleeve 16, through reinforcing rod 8 and the reinforcing sleeve 16 of design, reinforcing rod 8 is removed in reinforcing sleeve 16, realize the bottom reinforcement to three footboard, prevent that it from collapsing, and two reinforcing sleeve 16 are fixed respectively on corresponding first footboard 7 and second footboard 11.

In this embodiment, preferably, the guardrail assembly 2 is composed of a fixed guard 3 and two movable guard 4, the fixed guard 3 is fixed on the middle pedal 9, the movable guard 4 is respectively installed on the surfaces of the first pedal 7 and the second pedal 11, one end of the movable guard 4 is slidably connected with the fixed guard 3, the fixed guard 3 is of a T-shaped structure through the designed fixed guard 3, so that both ends of the guardrail can be slidably connected with the movable guard 4, the longitudinal section of the fixed guard 3 is of a T-shaped structure, and the longitudinal section of the movable guard 4 is of an L-shaped structure.

The working principle and the using flow of the utility model are as follows: when the distance between the pedal assembly 10 and the distance between the train and the platform are not matched, the axle disc 14 is rotated at the moment to drive the driving fluted disc 19 to rotate, the driving fluted disc 19 and the two adjusting toothed plates 5 are in meshed transmission, and further the first pedal 11 and the second pedal 11 are driven to carry out position adjustment, so that the integral length of the pedal assembly 10 is adjusted along with the distance between the train and the platform, the passing safety coefficient of the utility model is improved, the guardrail assembly 2 is arranged on the pedal assembly 10, the length of the guardrail assembly is synchronously changed along with the adjustment of the pedal assembly 10, the passing safety is further improved, and after the adjustment is finished, the stop pin 12 is inserted into the stop hole 15 and the slot 21, so that the axle disc 14 is locked, and the integral length of the pedal assembly 10 is further fixed.

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. The utility model provides a ladder is used in upset sample, includes iron plate (1) and ladder (6), its characterized in that: be connected with footboard subassembly (10) between iron plate (1) and ladder (6), the top of footboard subassembly (10) is fixed with guardrail subassembly (2), its characterized in that: the pedal assembly (10) comprises a first pedal (7), an intermediate pedal (9) and a second pedal (11), one end of the first pedal (7) is rotationally connected with a ladder (6) through a rotating shaft, the second pedal (11) is rotationally connected with an iron plate (1) through the rotating shaft, a mounting hole (13) is formed in the surface of the intermediate pedal (9), a shaft disc (14) is mounted in the mounting hole (13), a driving fluted disc (19) is sleeved at the bottom end of the shaft disc (14), two sides of the driving fluted disc (19) are connected with adjusting toothed plates (5) through meshing, the two adjusting toothed plates (5) are mounted on the first pedal (7) and the second pedal (11) respectively, an underframe (18) is arranged on the outer side of the adjusting toothed plates (5), and the underframe (18) is fixed on the surface of the intermediate pedal (9).

2. A flip sampling ladder as defined in claim 1, wherein: the surface of the shaft disc (14) is provided with stop holes (15) in a circular array, the inner wall of the mounting hole (13) is provided with slots (21), and a stop pin (12) is jointly inserted between one of the stop holes (15) and the slot (21).

3. A flip sampling ladder as defined in claim 1, wherein: limiting holes (20) are formed in the surface of the adjusting toothed plate (5), limiting blocks (17) are arranged in the limiting holes (20), and the limiting blocks (17) are fixed on the bottom surface of the middle pedal (9).

4. A flip sampling ladder according to claim 3, wherein: the longitudinal section of the limiting block (17) is of a convex structure, and the longitudinal section of the underframe (18) is of a U-shaped structure.

5. A flip sampling ladder according to claim 3, wherein: two reinforcing rods (8) are symmetrically fixed on the bottom surface of the middle pedal (9), reinforcing sleeves (16) are sleeved on the outer walls of two ends of each reinforcing rod (8), and the two reinforcing sleeves (16) are respectively fixed on the corresponding first pedal (7) and second pedal (11).

6. A flip sampling ladder as defined in claim 1, wherein: the guardrail assembly (2) comprises a fixed guard frame (3) and two movable guard frames (4), wherein the fixed guard frame (3) is fixed on an intermediate pedal (9), the movable guard frames (4) are respectively arranged on the surfaces of a first pedal (7) and a second pedal (11), and one end of each movable guard frame (4) is connected with the fixed guard frame (3) in a sliding mode.

7. The inverted sampling ladder of claim 6, wherein: the longitudinal section of the fixed guard frame (3) is of a T-shaped structure, and the longitudinal section of the movable guard frame (4) is of an L-shaped structure.