CN212356261U

CN212356261U - Road and bridge door machine trolley structure

Info

Publication number: CN212356261U
Application number: CN202021112537.4U
Authority: CN
Inventors: 韩际彪; 宋雯雯; 付春彪
Original assignee: Henan Xindongfang Crane Group Co ltd
Current assignee: Henan Xindongfang Crane Group Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-01-15
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a road and bridge door machine dolly structure, including the installation chassis, the installation chassis has two sets of fixed blocks with the size about horizontal line symmetry fixed mounting, and the inside mosaic of every group fixed block installs the bearing, and two sets of fixed blocks of front side rotate and install first pivot, and first pivot middle part demountable installation has first driven gear, and two sets of fixed blocks of rear side rotate and install the second pivot, and demountable installation has the second driven gear in the middle part of the second pivot, and the equal fixed mounting in first pivot and second pivot both sides has the gyro wheel, and every group gyro wheel middle part is seted up and is had the ring tooth's socket. The utility model discloses a set up at every group gyro wheel middle part and have had the ring tooth groove, the row's of tooth groove has been seted up on every group guide rail surface, and the gyro wheel is when the guide rail rolls, and the ring tooth groove meshes with the row's of tooth groove, can promote the accuracy that the gyro wheel moved on the guide rail to the accuracy that removes when the lifting trolley handling.

Description

Road and bridge door machine trolley structure

Technical Field

The utility model relates to a road and bridge door machine dolly technical field specifically is a road and bridge door machine dolly structure.

Background

The main structure of the road and bridge portal crane consists of a gantry frame body and a trolley, wherein the trolley runs on a slide rail at the top of the gantry frame body, a hoisting mechanism is arranged on the trolley, and four running wheels of the traditional trolley structure are fixed, so that one wheel can not contact with a track surface to generate a slipping phenomenon; the danger of work can be greatly improved by the slipping phenomenon, and the safety of workers cannot be guaranteed, so that the trolley structure of the road and bridge door machine is provided.

The existing patent (publication number: CN206051313U), a road and bridge door machine dolly structure, including rain-proof cover, crossbeam, fixed pulley group, hoist mechanism shell and storing frame, rain-proof cover passes through bolt assembly and installs on the crossbeam, and the internally mounted of rain-proof cover has hoist mechanism, the fixed pulley group is installed to the below of crossbeam, and is connected through wire rope between fixed pulley group and the running block, the top at the running block is installed to the fixed pulley group, the second round pin axle is installed to the top of crossbeam, first operation roof beam is installed to the below of crossbeam, be provided with the bolt on the outer wall of hoist mechanism shell, and the internally mounted of hoist mechanism shell has the motor, pass through rotation axis connection between motor and the rotary disk, the second operation roof beam is installed on the right side of crossbeam. The utility model discloses the fixed pulley group can carry out the swing of small range with crossbeam round pin hub connection, slows down to rise vibrations, the impact of moving with the dolly, and the life of extension part has satisfied people's demand.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved; the device has the problem that the rotating speed of the motor is not synchronous by controlling the running of the rollers through two groups of motors. This application is through the operation of the first driving gear of a motor synchronous control and second driving gear with fast to transmit to first pivot and second pivot through the chain, realize the operation of first pivot and second pivot syntropy with fast, can not take place to skid relatively when guaranteeing around the gyro wheel operation, guarantee the stability of gyro wheel operation, solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road bridge door machine dolly structure has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a trolley structure of a road and bridge door machine comprises an installation chassis, wherein two groups of fixed blocks with the same size are symmetrically and fixedly installed on the installation chassis about a transverse horizontal line, a bearing is embedded in each group of fixed blocks, a first rotating shaft is rotatably installed on the two groups of fixed blocks on the front side, a first driven gear is detachably installed in the middle of the first rotating shaft, a second rotating shaft is rotatably installed on the two groups of fixed blocks on the rear side, a second driven gear is detachably installed in the middle of the second rotating shaft, rollers are fixedly installed on both sides of the first rotating shaft and the second rotating shaft, a ring tooth groove is formed in the middle of each group of rollers, the bottom of each group of rollers is in rolling embedding installation with a guide rail, a tooth row groove is formed in the surface of each group of guide rails, a motor is detachably installed on the top of the installation chassis, the chain is installed to the equal power of first driving gear and second driving gear, and fixed demountable installation in installation chassis top has the mounting panel, and demountable installation has the dustcoat in the mounting panel outside.

As a preferred embodiment of the present invention, the first driving gear is power-mounted to the first driven gear via a chain.

As a preferred embodiment of the present invention, the second driving gear is power-mounted to the second driven gear through a chain.

As a preferred embodiment of the utility model, the ring tooth groove of the roller is engaged with the tooth row groove of the guide rail.

As a preferred embodiment of the present invention, the distance from the bottom of the housing to the bottom of the roller is 3 cm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up at every group gyro wheel middle part and have had the ring tooth groove, the row's of tooth groove has been seted up on every group guide rail surface, and the gyro wheel is when the guide rail rolls, and the ring tooth groove meshes with the row's of tooth groove, can promote the accuracy that the gyro wheel moved on the guide rail to the accuracy that removes when the lifting trolley handling.

2. The utility model discloses a first driving gear of a motor synchronous control and second driving gear are with fast operation to transmit to first pivot and second pivot through the chain, realize first pivot and second pivot syntropy with fast operation, can not take place to skid relatively when guaranteeing around the gyro wheel operation, guarantee the stability of gyro wheel operation.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a top view of a trolley structure of a road and bridge gantry crane of the present invention;

FIG. 2 is a side view of the trolley structure of the road and bridge gantry crane of the present invention;

fig. 3 is a schematic structural view of the fixing block of the trolley structure of the road and bridge gantry crane of the utility model;

fig. 4 is the utility model relates to a road bridge door machine dolly structure guide rail's schematic structure diagram.

In the figure: 1. an annular tooth groove; 2. a roller; 3. a first rotating shaft; 4. a fixed block; 5. a first driven gear; 6. installing a chassis; 7. a motor; 8. a chain; 9. a fixed mount; 10. a second driving gear; 11. a motor shaft; 12. a first drive gear; 13. a second driven gear; 14. a second rotating shaft; 15. a housing; 16. mounting a plate; 17. a guide rail; 18. a bearing; 19. the tooth row groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the utility model provides a technical solution: a trolley structure of a road and bridge gantry crane comprises an installation chassis 6, two groups of fixed blocks 4 with the same size are symmetrically and fixedly installed on the installation chassis 6 about a transverse horizontal line, a bearing 18 is embedded in each group of fixed blocks 4, a first rotating shaft 3 is rotatably installed on the two groups of fixed blocks 4 on the front side, a first driven gear 5 is detachably installed in the middle of the first rotating shaft 3, a second rotating shaft 14 is rotatably installed on the two groups of fixed blocks 4 on the rear side, a second driven gear 13 is detachably installed in the middle of the second rotating shaft 14, rollers 2 are fixedly installed on two sides of the first rotating shaft 3 and the second rotating shaft 14, a ring tooth slot 1 is formed in the middle of each group of rollers 2, the bottom of each group of rollers 2 is in rolling embedding installation with guide rails 17, a tooth row slot 19 is formed in the surface of each group of guide rails 17, a motor 7 is detachably installed on, 6 top left sides fixed mounting in installation chassis has mount 9, and motor shaft 11 rotates the installation with the mount 9 left side, and the equal power mounting of first driving gear 12 and second driving gear 10 has

chain

8, and 6 top fixed demountable installation in installation chassis has mounting panel 16, and demountable installation in the mounting panel 16 outside has dustcoat 15.

In this embodiment, as shown in fig. 1 and fig. 2, the first driving gear 12 and the second driving gear 10 are synchronously controlled by one motor 7 to rotate at the same speed, and are transmitted to the first rotating shaft 3 and the second rotating shaft 14 through the chain 8, so that the first rotating shaft 3 and the second rotating shaft 14 rotate at the same speed in the same direction, relative slipping does not occur when the front and rear rollers 2 operate, and the stability of the operation of the rollers 2 is ensured.

Wherein, the first driving gear 12 is power-mounted with the first driven gear 5 through the chain 8.

Wherein, the second driving gear 10 is power-mounted with the second driven gear 13 via the chain 8.

In this embodiment, as shown in fig. 1 and 2, the ring tooth grooves 1 are formed in the middle of each group of rollers 2, the tooth row grooves 19 are formed in the surface of each group of guide rails 17, and when the rollers 2 roll on the guide rails 17, the ring tooth grooves 1 are meshed with the tooth row grooves 19, so that the running accuracy of the rollers 2 on the guide rails 17 can be improved, and the moving accuracy of the trolley during lifting is improved.

Wherein, the ring tooth socket 1 of the roller 2 is engaged with the tooth row groove 19 of the guide rail 17.

Wherein, the distance from the bottom of the outer cover 15 to the bottom of the roller 2 is 3 cm.

The working principle is as follows: when a road bridge door machine dolly structure uses, through the operation of 7 synchronous control first driving gear 12 of a motor and second driving gear 10 with fast, and transmit to first pivot 3 and second pivot 14 through chain 8, realize first pivot 3 and the operation of second pivot 14 syntropy with fast, can not take place relative skidding when guaranteeing front and back gyro wheel 2 operation, guarantee the stability of gyro wheel 2 operation, set up through every group gyro wheel 2 middle part and have had tooth's socket 1, tooth's socket 19 has been seted up on every group guide rail 17 surface, gyro wheel 2 is when the guide rail 17 rolls, ring tooth's socket 1 meshes with tooth's socket 19, can promote the accuracy of gyro wheel 2 operation on guide rail 17, thereby the accuracy of removal when the lifting trolley handling.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a road bridge door machine dolly structure, includes installation chassis (6), its characterized in that: the mounting chassis (6) is fixedly provided with two groups of fixed blocks (4) with the same size in terms of horizontal line symmetry, each group of fixed blocks (4) is internally embedded with a bearing (18), the front side is provided with two groups of fixed blocks (4) which are rotatably provided with a first rotating shaft (3), the middle part of the first rotating shaft (3) is detachably provided with a first driven gear (5), the rear side is provided with two groups of fixed blocks (4) which are rotatably provided with a second rotating shaft (14), the middle part of the second rotating shaft (14) is detachably provided with a second driven gear (13), both sides of the first rotating shaft (3) and the second rotating shaft (14) are fixedly provided with rollers (2), the middle part of each group of rollers (2) is provided with a ring tooth groove (1), the bottom of each group of rollers (2) is embedded with a guide rail (17) in a rolling manner, the surface of each group of guide rail (17), motor shaft (11) demountable installation of motor (7) has first driving gear (12) and second driving gear (10), and there are mount (9) installation chassis (6) top left side fixed mounting, and motor shaft (11) and mount (9) left side rotate the installation, and the equal power mounting of first driving gear (12) and second driving gear (10) has chain (8), and fixed demountable installation in installation chassis (6) top has mounting panel (16), and mounting panel (16) outside demountable installation has dustcoat (15).

2. The road and bridge portal crane trolley structure according to claim 1, wherein: the first driving gear (12) is in power installation with the first driven gear (5) through a chain (8).

3. The road and bridge portal crane trolley structure according to claim 1, wherein: the second driving gear (10) is in power installation with the second driven gear (13) through a chain (8).

4. The road and bridge portal crane trolley structure according to claim 1, wherein: the ring tooth groove (1) of the roller (2) is meshed with the tooth row groove (19) of the guide rail (17).

5. The road and bridge portal crane trolley structure according to claim 1, wherein: the distance from the bottom of the outer cover (15) to the bottom of the roller (2) is 3 cm.