CN219823452U

CN219823452U - Guide wheel structure

Info

Publication number: CN219823452U
Application number: CN202320897236.4U
Authority: CN
Inventors: 孙亚杰; 杜豪威; 孙超; 常宏; 王学堂
Original assignee: Luoyang Crane Factory Co ltd
Current assignee: Luoyang Crane Factory Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-10-13
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses a guide wheel structure which comprises a guide rail, a first limit groove, a central shaft, a sliding rod, a limit plate and a damping spring, wherein the first limit groove is formed in the inner side of the guide rail, the central shaft penetrates through the inner side of the first limit groove, the sliding rod penetrates through the inner side of the central shaft, the limit plate is fixedly installed at the tail end of the sliding rod, the damping spring is fixedly installed at the outer side of the central shaft, the tail end of the damping spring is fixedly connected to the outer side of the limit plate, the second limit groove is formed in the inner side of the guide rail, and the auxiliary wheel is connected to the inner side of the second limit groove. This leading wheel structure is through setting up the compressive resistance that two sets of auxiliary wheels promoted the main wheel at main wheel both ends, thereby when main wheel both ends auxiliary wheel atress is too big or the atress is uneven, through the cooperation of the elasticity of first spacing inslot side damping spring and the limiting plate in the outside, makes the center pin remain the horizontality throughout to make auxiliary wheel remain certain distance all the time with the guide rail inboard and prevent to produce the phenomenon of gnawing the rail.

Description

Guide wheel structure

Technical Field

The utility model relates to the technical field of cranes, in particular to a guide wheel structure.

Background

The crane is a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects in a certain range, which is also called a crane, the trolley frame at the upper end of the crane is mainly divided into a hoisting mechanism and a travelling mechanism, the position of an article is transferred by hoisting the article, and generally, guide wheels are adopted when the article is hoisted, and the stability of the article in hoisting is ensured by the guide wheels.

The utility model discloses a horizontal guide wheel device of a crane, which comprises a vertical guide rail and a transverse supporting beam, wherein a fixed seat is arranged above the vertical guide rail and is tightly welded with the vertical guide rail, a case is arranged between the vertical guide rails and is tightly welded with the vertical guide rail, a servo motor is arranged in the case, the servo motor is embedded in the case, a steel wire pull rope is arranged in the servo motor, and the steel wire pull rope penetrates through the servo motor. This kind of horizontal leading wheel device of hoist is through setting up an auxiliary slideway and is assisted main slideway and transversely slide to great reduction the atress of main slideway, when sliding, auxiliary pulley and main pulley six pairs of assembly pulley altogether slide, when having reduced the pressure of slide rail, great improvement its work efficiency, solved the difficult problem that work efficiency is low among the prior art, have good development prospect in the future.

This contrast document is through setting up an auxiliary slideway and assisting the main slideway and transversely slide to great reduction the atress of main slideway, this structure has reduced the pressure of main pulley through increasing auxiliary pulley, nevertheless probably can make main pulley both ends auxiliary pulley rim and guide rail side contact after the main pulley receives huge pressure, produces horizontal side thrust, causes rim and guide rail's friction and wearing and tearing, forms gnawing the rail phenomenon.

Aiming at the problems, innovative design is urgently needed on the basis of the original guide wheel structure.

Disclosure of Invention

The utility model aims to provide a guide wheel structure, which solves the problems that in the prior art, when the main pulley is subjected to huge pressure, the rims of auxiliary pulleys at two ends of the main pulley can be contacted with the side surfaces of a guide rail to generate horizontal side thrust, so that the rims and the guide rail are rubbed and worn to form a rail biting phenomenon.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a leading wheel structure, includes guide rail, first spacing groove, center pin, slide bar, limiting plate and damping spring, first spacing groove has been seted up to the guide rail inboard, and the first spacing inslot has run through the center pin, the center pin inboard has run through the slide bar, and slide bar tail end fixed mounting has the limiting plate, center pin outside fixed mounting has damping spring, and damping spring tail end fixed connection is in the limiting plate outside, the second spacing groove has been seted up to the guide rail inboard, and the second spacing groove inboard is connected with the auxiliary wheel to the auxiliary wheel nestification is in the center pin outside, the center pin outside nestification has the leading wheel, and the guide way has been seted up to the leading wheel inboard.

Preferably, the sliding rod and the central shaft form a sliding structure, and the limiting plate at the tail end of the sliding rod and the central shaft form an elastic structure through a damping spring; the damping spring can enable the central shaft to reset automatically through the effect of the limiting plate, and the auxiliary wheel method is prevented from angular deviation.

Preferably, the auxiliary wheels and the guide rail form a rotating structure through a central shaft, and the auxiliary wheels are symmetrically distributed in two groups on the middle point of the main wheel; the auxiliary wheels are symmetrically distributed left and right about the middle point of the main wheel, and can support two ends of the main wheel.

Preferably, the guide rail outside fixed mounting has the support frame, and support frame outside fixed mounting has the slip track, the inboard fixed mounting of slip track has the extension spring, and extension spring tail end fixedly connected with sliding block, the sliding block nestification is inboard at the slip track, and sliding block tail end fixed mounting has the fixed block, support frame outside fixed mounting has pressure sensor, and support frame outside fixed mounting has the batch oil tank, batch oil tank outside fixed mounting has control module, and batch oil tank outside fixed mounting has the air pump to batch oil tank outside fixedly connected with filler pipe.

Preferably, the sliding block and the sliding rail form a sliding structure, and the sliding block and the sliding rail form an elastic structure through a telescopic spring; the telescopic spring can automatically reset the sliding block through self property.

Preferably, the sliding blocks and the pressure sensors are correspondingly distributed up and down, and the fixed blocks at the lower ends of the sliding blocks are in a conical structure in side view; the sliding blocks and the pressure sensors are distributed vertically correspondingly, and the pressure sensors can be actuated by extrusion of the sliding blocks.

Compared with the prior art, the utility model has the beneficial effects that: the guide wheel structure comprises:

1. be provided with the structure of preventing gnawing rail phenomenon, thereby promote the crushing resistance of main wheel through setting up two sets of auxiliary wheel at main wheel both ends, when main wheel both ends auxiliary wheel atress is too big or the atress is uneven, through the cooperation of the elasticity of the inboard damping spring of first spacing groove and the limiting plate in outside, make the center pin remain the horizontality all the time to make the auxiliary wheel remain certain distance with the guide rail is inboard all the time prevented producing the phenomenon of gnawing the rail.

2. Be provided with automatic oiling's structure, when the main wheel at the inboard back-and-forth movement of guide rail, can touch the fixed block of extrusion awl shape to make the sliding block of upper end upwards slide along sliding track, extrusion pressure sensor makes pressure sensor give control module with the information transfer of perception, control module control air pump operation makes the inboard lubricating oil of oil storage tank spray in the center pin outside through the oiling pipe and lubricate the cooling.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model in a front cross-section;

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

FIG. 3 is a schematic top view of the guide rail of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 5 is a schematic side view of the fixing block of the present utility model.

In the figure: 1. a guide rail; 2. a first limit groove; 3. a central shaft; 4. a slide bar; 5. a limiting plate; 6. a damping spring; 7. the second limit groove; 8. an auxiliary wheel; 9. a main wheel; 10. a guide groove; 11. a support frame; 12. a sliding rail; 13. a telescopic spring; 14. a sliding block; 15. a fixed block; 16. a pressure sensor; 17. an oil storage tank; 18. a control module; 19. an air pump; 20. and a filler pipe.

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. 1-5, the present utility model provides a technical solution: the guide wheel structure comprises a guide rail 1, a first limit groove 2, a central shaft 3, a sliding rod 4, a limit plate 5, a damping spring 6, a second limit groove 7, an auxiliary wheel 8, a main wheel 9, a guide groove 10, a support frame 11, a sliding rail 12, a telescopic spring 13, a sliding block 14, a fixed block 15, a pressure sensor 16, an oil storage tank 17, a control module 18, an air pump 19 and an oil filling pipe 20.

The inner side of the guide rail 1 is provided with a first limit groove 2, the inner side of the first limit groove 2 penetrates through a central shaft 3, the inner side of the central shaft 3 penetrates through a sliding rod 4, the tail end of the sliding rod 4 is fixedly provided with a limit plate 5, the outer side of the central shaft 3 is fixedly provided with a damping spring 6, the tail end of the damping spring 6 is fixedly connected with the outer side of the limit plate 5, the inner side of the guide rail 1 is provided with a second limit groove 7, the inner side of the second limit groove 7 is connected with an auxiliary wheel 8, the auxiliary wheel 8 is nested outside the central shaft 3, the outer side of the central shaft 3 is nested with a main wheel 9, and the inner side of the main wheel 9 is provided with a guide groove 10;

according to the figures 1-3, the sliding rod 4 and the central shaft 3 form a sliding structure, and the limiting plate 5 at the tail end of the sliding rod 4 and the central shaft 3 form an elastic structure through the damping spring 6; the auxiliary wheels 8 and the guide rail 1 form a rotating structure through the central shaft 3, and the auxiliary wheels 8 are symmetrically distributed in two groups left and right relative to the midpoint of the main wheel 9;

according to the structure, the auxiliary wheels 8 are fixedly arranged at the two ends of the main wheel 9, the pressure born by the main wheel 9 is reduced through the support of the auxiliary wheels 8 at the two ends, the limiting plates 5 are arranged at the two ends of the central shaft 3, the limiting plates 5 are always kept in a micro-contact state with the inner wall of the first limiting groove 2 through the elastic force of the damping springs 6, when the main wheel 9 is subjected to excessive pressure or uneven stress at the two ends, the corresponding limiting plates 5 are subjected to position change or angle deviation, the damping springs 6 corresponding to the inner sides are extruded after the position change or the angle deviation are generated, the limiting plates 5 are reset through the elastic force of the damping springs 6, the central shaft 3 is driven to carry out position adjustment and angle adjustment, the auxiliary wheels 8 at the two ends are prevented from being contacted with the inner side surfaces of the guide rail 1 to generate horizontal side thrust, and friction and abrasion between the rim and the guide rail 1 are caused, so that a rail gnawing phenomenon is formed.

The outer side of the guide rail 1 is fixedly provided with a support frame 11, the outer side of the support frame 11 is fixedly provided with a sliding rail 12, the inner side of the sliding rail 12 is fixedly provided with a telescopic spring 13, the tail end of the telescopic spring 13 is fixedly connected with a sliding block 14, the sliding block 14 is nested inside the sliding rail 12, the tail end of the sliding block 14 is fixedly provided with a fixed block 15, the outer side of the support frame 11 is fixedly provided with a pressure sensor 16, the outer side of the support frame 11 is fixedly provided with an oil storage tank 17, the outer side of the oil storage tank 17 is fixedly provided with a control module 18, the outer side of the oil storage tank 17 is fixedly provided with an air pump 19, and the outer side of the oil storage tank 17 is fixedly connected with an oil injection pipe 20;

according to fig. 1 and 3-5, the sliding block 14 and the sliding rail 12 form a sliding structure, and the sliding block 14 and the sliding rail 12 form an elastic structure through the telescopic spring 13; the sliding block 14 and the pressure sensor 16 are correspondingly distributed up and down, and the fixed block 15 at the lower end of the sliding block 14 is in a conical structure in side view;

when the main wheel 9 slides to a certain position along the inner side of the guide rail 1, the cone-shaped fixed block 15 is extruded, so that the fixed block 15 drives the sliding block 14 at the upper end to slide upwards along the inner side of the sliding rail 12 to extrude the pressure sensor 16, when the pressure sensor 16 receives pressure, a signal is transmitted to the control module 18, the control module 18 receives the signal to control the air pump 19 to operate, the air pump 19 operates to infuse air pressure into the inner side of the oil storage tank 17, and accordingly lubricating oil on the inner side of the oil storage tank 17 is sprayed to the outer side of the central shaft 3 through the oil injection pipe 20 to lubricate and cool the central shaft 3.

What is not described in detail in this specification is prior art known to those skilled in the art.

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 leading wheel structure, includes guide rail (1), first spacing groove (2), center pin (3), slide bar (4), limiting plate (5) and damping spring (6), its characterized in that: the guide rail is characterized in that a first limit groove (2) is formed in the inner side of the guide rail (1), a central shaft (3) penetrates through the inner side of the first limit groove (2), a sliding rod (4) penetrates through the inner side of the central shaft (3), a limit plate (5) is fixedly installed at the tail end of the sliding rod (4), a damping spring (6) is fixedly installed at the outer side of the central shaft (3), the tail end of the damping spring (6) is fixedly connected to the outer side of the limit plate (5), a second limit groove (7) is formed in the inner side of the guide rail (1), an auxiliary wheel (8) is connected to the inner side of the second limit groove (7), the auxiliary wheel (8) is nested at the outer side of the central shaft (3), a main wheel (9) is nested at the outer side of the central shaft (3), and a guide groove (10) is formed in the inner side of the main wheel (9).

2. A guide wheel structure according to claim 1, wherein: the sliding rod (4) and the central shaft (3) form a sliding structure, and the tail end limiting plate (5) of the sliding rod (4) and the central shaft (3) form an elastic structure through the damping spring (6).

3. A guide wheel structure according to claim 1, wherein: the auxiliary wheels (8) and the guide rail (1) form a rotating structure through the central shaft (3), and the auxiliary wheels (8) are symmetrically distributed in two groups on the middle point of the main wheel (9) left and right.

4. A guide wheel structure according to claim 1, wherein: the utility model discloses a hydraulic control system for a vehicle, including guide rail (1), support frame (11), control module (18), oil storage tank (17), air pump (19), oil storage tank (17) outside fixed mounting have control module (18), and oil storage tank (17) outside fixed mounting have air pump (19), and oil storage tank (17) outside fixedly connected with oil filler pipe (20), guide rail (1) outside fixed mounting has support frame (11), and support frame (11) outside fixed mounting, support frame (11), and support frame (11) outside fixed mounting have slide rail (12), slide rail (12) inboard fixed mounting has extension spring (13), and extension spring (13) tail end fixedly connected with sliding block (14), sliding block (14) nest are inboard at slide rail (12), and sliding block (14) tail end fixed mounting has fixed block (15).

5. A guide wheel structure according to claim 4, wherein: the sliding block (14) and the sliding rail (12) form a sliding structure, and the sliding block (14) and the sliding rail (12) form an elastic structure through the telescopic spring (13).

6. A guide wheel structure according to claim 4, wherein: the sliding blocks (14) and the pressure sensors (16) are correspondingly distributed up and down, and the fixed blocks (15) at the lower ends of the sliding blocks (14) are in a conical structure in side view.