CN216155409U - Compact portal walking device - Google Patents
Compact portal walking device Download PDFInfo
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- CN216155409U CN216155409U CN202122211165.1U CN202122211165U CN216155409U CN 216155409 U CN216155409 U CN 216155409U CN 202122211165 U CN202122211165 U CN 202122211165U CN 216155409 U CN216155409 U CN 216155409U
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- gantry
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Abstract
The invention relates to the technical field of machinery, in particular to a compact gantry walking device which comprises a slide rail, a forklift gantry and a driving assembly, wherein slide grooves are formed in two sides of the slide rail, a plurality of guide rails are arranged on the slide rail, a gantry supporting pipe is arranged at the bottom of the forklift gantry, a plurality of swinging wheels are arranged at the bottom of the gantry supporting pipe, a plurality of groups of connecting plates are arranged on the side wall of the gantry supporting pipe, and a composite roller is arranged on one opposite side of each group of connecting plates. According to the invention, a plurality of groups of swing wheels are assembled on the portal support tube and walk on the slide rail, and the support effect of the whole forklift portal and in full load is ensured by utilizing the characteristics of small diameter and large bearing capacity of the swing wheels.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a compact gantry walking device.
Background
At present, the steering wheel and the driving wheel of the forklift on the market are provided with a front wheel and a rear wheel, the rear wheel is often provided with a structural part for balancing weight, the distance from a portal frame to the end face of the rear wheel is usually larger, and a compact walking portal frame is needed in the full-automatic rail forklift type special equipment for loading stacked materials, so that a walking device which is compact in structure and can prevent overturning is developed.
Disclosure of Invention
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The invention aims to overcome the defects and provide a compact gantry travelling device, a plurality of groups of oscillating wheels are assembled on a gantry supporting tube and travel on a slide rail, and the supporting function of the whole forklift gantry and the supporting function in full load are ensured by utilizing the characteristics of small diameter and large bearing capacity of small space of the oscillating wheels.
In order to achieve the purpose, the technical solution of the invention is as follows: the utility model provides a portal running gear of compact, including the slide rail, fork truck portal and drive assembly, this slide rail both sides are provided with the spout, this slide rail is provided with a plurality of roots, this fork truck portal bottom is provided with the portal stay tube, the bottom of this portal stay tube is provided with a plurality of swinging arms, this portal stay tube lateral wall is provided with the multiunit connecting plate, compound gyro wheel is all installed to the relative one side of this connecting plate of every group, this compound gyro wheel imbeds respectively and sets up in this spout of this slide rail both sides, this drive assembly includes the hydro-cylinder, a plurality of sprocket, many chains, connect tow head and link fixing base, this sprocket sets up respectively in the both sides of this hydro-cylinder, the one end and this of this chain are connected and are dragged the head and are connected, this sprocket is walked around respectively to the other end, and be connected with this link fixing base, this connection is dragged the head and is fixed in the bottom of this fork truck portal.
Preferably, the slide rail is H-shaped steel.
Preferably, a plurality of groups of guide wheels are installed at the bottom of the portal supporting tube, and each group of guide wheels are respectively embedded into the sliding grooves formed in two sides of the sliding rail and used for guiding the forklift portal when the forklift portal is pulled in the front and the back.
Preferably, chain wheel shafts are welded to two sides of the oil cylinder respectively, and the chain wheels are mounted on the chain wheel shafts to enable the chain wheels to rotate.
Preferably, the gantry support tube is rectangular.
Preferably, the swinging wheel is erected at the top of the sliding rail, so that the forklift gantry can walk conveniently.
Preferably, the two ends of the oil cylinder are provided with oil cylinder fixing seats, and the oil cylinder is fixed on the oil cylinder fixing seats through piston rods at the two ends.
Preferably, universal ball bearings are respectively arranged on two sides of the swinging wheel, so that stable linear walking on a sliding rail of the forklift gantry is guaranteed.
The working principle of the invention is as follows: piston rod through the hydro-cylinder two, fix on the hydro-cylinder fixing base, the cylinder rethread piston rod of hydro-cylinder carries out reciprocating motion and drives the sprocket of both sides facial make-up, the sprocket drives the chain, chain one end is connected on the link fixing base, the other end is connected and is dragged the head, then the chain drives and connects and drags the head, it drives whole fork truck portal to connect and drag the head, utilize and assemble the multiunit swinging wheel on the portal stay tube of fork truck portal below, walk above the slide rail, install a plurality of compound gyro wheels on the connecting plate of portal stay tube simultaneously, prevent that the fork truck portal from tumbling, in addition, the side distance with the slide rail can be adjusted to the side gyro wheel of compound gyro wheel, cooperate preceding leading wheel, make the stable straight line walking of whole device on the slide rail.
By adopting the technical scheme, the invention has the beneficial effects that:
1. through the chain wheels on the two sides of the oil cylinder, the oil cylinder moves the legs back and forth to enable the chain wheels to move back and forth, and then the chain is driven to pull the connecting dragging head, so that the portal frame travels back and forth in the sliding rail, and the forklift portal frame operates stably.
2. A plurality of composite rollers are mounted on the connecting plate on the mast supporting pipe and slide in the sliding groove, so that the forklift mast is prevented from tipping, and the distance between the side rollers of the composite rollers and the side edge of the sliding rail can be adjusted, so that the whole forklift mast can stably walk on the sliding rail in a straight line.
3. The plurality of groups of oscillating wheels are assembled on the portal support tube, the forklift travels on the slide rail, and the characteristics of small diameter and large bearing space of the oscillating wheels are utilized, so that the support effect of the whole forklift portal and when the forklift is fully loaded is ensured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Clearly, such objects and other objects of the present invention will become more apparent from the detailed description of the preferred embodiments hereinafter set forth in the various drawings and drawings.
These and other objects, features and advantages of the present invention will become more apparent from the following detailed description of one or more preferred embodiments of the invention, as illustrated in the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings, like parts are designated with like reference numerals, and the drawings are schematic and not necessarily drawn to scale.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only one or several embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to such drawings without creative efforts.
FIG. 1 is a first structural schematic diagram of a compact gantry crane of the present invention after installation;
FIG. 2 is an enlarged view of A of a compact gantry crane of the present invention;
FIG. 3 is a schematic structural diagram of the compact gantry crane of the present invention after installation;
FIG. 4 is a bottom view of the compact gantry crane of the present invention after installation;
FIG. 5 is an enlarged view of B of a compact gantry crane of the present invention;
description of the main reference numerals:
1. a slide rail;
101. a chute;
2. a forklift mast;
3. a portal support tube;
301. a swinging wheel; 302. a connecting plate; 303. compounding rollers;
4. a drive assembly;
401. an oil cylinder;
4011. a cylinder barrel; 4012. a piston rod;
402. a sprocket; 403. a chain; 404. connecting a mop head; 405. a link fixing seat; 406. a sprocket shaft;
5. a guide wheel;
6. an oil cylinder fixing seat;
7. a universal ball bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those 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 thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected through a transition structure, but are connected through a connection structure to form a whole. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, fig. 1 is a first structural schematic diagram of a compact gantry walking device of the present invention after installation, and fig. 3 is a second structural schematic diagram of the compact gantry walking device of the present invention after installation.
The embodiment provides a compact gantry walking device, which comprises a slide rail 1, a forklift gantry 2 and a driving assembly 4, wherein sliding grooves 101 are formed in two sides of the slide rail 1, a plurality of guide rails 1 are arranged on the slide rail 1, a gantry supporting tube 3 is arranged at the bottom of the forklift gantry 2, a plurality of swinging wheels 301 are arranged at the bottom of the gantry supporting tube 3, a plurality of groups of connecting plates 302 are arranged on the side wall of the gantry supporting tube 3, a composite roller 303 is arranged on one opposite side of each group of connecting plates 302, and the composite rollers 303 are respectively embedded in the sliding grooves 101 formed in two sides of the slide rail 1; the slide rail 1 is H-shaped steel; a plurality of groups of guide wheels 5 are installed at the bottom of the gantry support tube 3, and each group of guide wheels 5 is respectively embedded into sliding grooves 101 arranged on two sides of the sliding rail 1 and used for guiding the forklift gantry 2 when being pulled back and forth; the swinging wheel 301 is erected at the top of the sliding rail 1, so that the forklift gantry 2 can conveniently walk; the two sides of the swinging wheel 301 are respectively provided with universal ball bearings 7, so that stable straight-line walking on the forklift gantry slide rail 1 is ensured.
The utility model discloses a fork truck portal structure, including portal stay tube 3, the portal stay tube 3 is equipped with multiunit swinging wheel 301 through fork truck portal 2 below, walk above slide rail 1, utilize the minor diameter of swinging wheel 301, the little space bears big characteristics, whole fork truck portal 2 and the supporting role when full-load have been guaranteed, install a plurality of compound gyro wheels 303 on portal stay tube 3's the connecting plate 302 simultaneously, in spout 101, slide, play the function that prevents fork truck portal 2 and overturn, the side gyro wheel of compound gyro wheel 303 can be adjusted simultaneously and the side distance of slide rail 1 is kept away from, cooperate preceding leading wheel 5, make whole device stable straight line walking on slide rail 1.
Referring to fig. 2-5, fig. 1 is a first structural schematic diagram of the compact gantry walking device after installation; FIG. 2 is an enlarged view of A of a compact gantry crane of the present invention; FIG. 4 is a bottom view of the compact gantry crane of the present invention after installation; fig. 5 is an enlarged view of B of a compact gantry traveling apparatus of the present invention.
The driving assembly 4 comprises an oil cylinder 401, a plurality of chain wheels 402, a plurality of chains 403, a connecting drag head 404 and a link fixing seat 405, wherein the chain wheels 402 are respectively arranged at two sides of the oil cylinder 401, one end of each chain 403 is connected with the connecting drag head 404, the other end of each chain 403 respectively bypasses the chain wheel 402 and is connected with the link fixing seat 405, and the connecting drag head 404 is fixed at the bottom of the forklift mast 2; chain wheel shafts 406 are respectively welded on two sides of the oil cylinder 401, and the chain wheel 402 is mounted on the chain wheel shafts 406 to enable the chain wheel 402 to rotate; the portal support tube 3 is rectangular; the two ends of the oil cylinder 401 are provided with oil cylinder fixing seats 6, and the oil cylinder 401 is fixed on the oil cylinder fixing seats 6 through piston rods 4012 at the two ends.
It is to be understood that the disclosed embodiments of the invention are not limited to the particular process steps or materials disclosed herein, but rather, are extended to equivalents thereof as would be understood by those of ordinary skill in the relevant art. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting.
Reference in the specification to "an embodiment" means that a particular feature, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. Thus, the appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.
Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, amounts, etc., to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth.
Claims (8)
1. A compact gantry walking device, comprising:
the two sides of the sliding rail are provided with sliding chutes, and the sliding rail is provided with a plurality of sliding rails;
the bottom of the forklift portal frame is provided with a portal frame supporting pipe, the bottom of the portal frame supporting pipe is provided with a plurality of swinging wheels, the side wall of the portal frame supporting pipe is provided with a plurality of groups of connecting plates, one opposite side of each group of connecting plates is provided with a composite roller, and the composite rollers are respectively embedded into the sliding grooves arranged at the two sides of the sliding rail;
the driving assembly comprises an oil cylinder, a plurality of chain wheels, a plurality of chains, a connecting dragging head and a link fixing seat, wherein the chain wheels are arranged on two sides of the oil cylinder respectively, one end of each chain is connected with the connecting dragging head, the other end of each chain bypasses the chain wheels respectively and is connected with the link fixing seat, and the connecting dragging heads are fixed at the bottom of the forklift gantry.
2. The compact gantry crane of claim 1 wherein the rail is H-section steel.
3. The compact gantry crane apparatus of claim 2, wherein a plurality of sets of guide wheels are installed at the bottom of the gantry supporting tube, and each set of guide wheels is embedded in the sliding grooves respectively disposed at both sides of the sliding rail.
4. The compact mast traveling apparatus of claim 1, wherein chain wheels are welded to both sides of the cylinder, respectively, and the chain wheels are mounted on the chain wheels.
5. The compact gantry crane of claim 1 wherein the gantry support tube is rectangular.
6. The compact mast walking apparatus of claim 1, wherein the swinging wheels are mounted on top of the sliding rails.
7. The compact gantry crane apparatus of claim 1, wherein the two ends of the cylinder are provided with cylinder holders, and the cylinder is fixed to the cylinder holders by piston rods at the two ends.
8. The compact gantry crane of claim 1 wherein said wobble wheel has ball bearings on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122211165.1U CN216155409U (en) | 2021-09-13 | 2021-09-13 | Compact portal walking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122211165.1U CN216155409U (en) | 2021-09-13 | 2021-09-13 | Compact portal walking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216155409U true CN216155409U (en) | 2022-04-01 |
Family
ID=80849196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122211165.1U Active CN216155409U (en) | 2021-09-13 | 2021-09-13 | Compact portal walking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216155409U (en) |
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2021
- 2021-09-13 CN CN202122211165.1U patent/CN216155409U/en active Active
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