CN209889685U - Single-shaft double-rail travelling mechanism and heavy equipment comprising same - Google Patents
Single-shaft double-rail travelling mechanism and heavy equipment comprising same Download PDFInfo
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- CN209889685U CN209889685U CN201920238045.0U CN201920238045U CN209889685U CN 209889685 U CN209889685 U CN 209889685U CN 201920238045 U CN201920238045 U CN 201920238045U CN 209889685 U CN209889685 U CN 209889685U
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Abstract
The utility model provides a unipolar double track running gear and contain this running gear's heavy equipment, unipolar double track running gear are used for transporting heavy equipment, include: a first wheel; a second wheel, the first wheel being disposed opposite the second wheel; the two ends of the shaft rod are respectively connected with the first wheel and the second wheel; the two bearings are respectively sleeved on the shaft rod and are positioned between the first wheel and the second wheel to form a single-shaft double-track structure. According to the utility model discloses unipolar double track running gear can effectual saving space, and material saving can satisfy the transportation requirement to last ten thousand tons main equipment simultaneously, the transportation of the heavy equipment of being convenient for.
Description
Technical Field
The utility model relates to a rail transport technical field, in particular to unipolar double track running gear and contain this running gear's heavy equipment.
Background
In recent years, the demand of super-large and oversized engineering equipment (such as cranes, heavy modules, large mechanical parts and the like) is increasing in China, the requirements of recycling and transition transportation of the equipment are pressing day by day, and the development of transportation tools for the heavy equipment is urgent.
The cart travelling mechanism of the heavy equipment is generally in a single-rail form, in order to meet the bearing capacity of a rail, wheel pressure is distributed by adopting a method of increasing the number of wheels, so as to meet the requirement of the bearing capacity of the rail, a large-span double-rail novel trolley structure is mainly used for meeting the bearing capacity of the rail under the existing rail specification condition, if ten thousand tons of super-large equipment needs to be transported, the number of wheels on a single leg needs to reach 32 wheels, so the number of the wheels is huge, if the traditional single-rail arrangement form is adopted, the structural requirement in the direction of the rail is certainly exceeded, and due to structural space limitation, the scheme of simply increasing the number of wheels by increasing the number of balance beams is not feasible and cannot meet the design requirement.
Therefore, there is a need to solve such problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a unipolar double track running gear changes one side single track of original running gear into one side double track, can arrange more wheels under the condition that does not increase track direction length, and bearing capacity doubles, adopts the form of arranging of unipolar double track promptly to practice thrift the space, satisfy the transportation requirement.
The utility model also provides a heavy equipment of having above-mentioned unipolar double track running gear.
In order to solve the technical problem, the utility model discloses a following technical scheme:
according to the utility model discloses unipolar double track running gear of first aspect embodiment, include:
a first wheel;
a second wheel, the first wheel being disposed opposite the second wheel;
the two ends of the shaft rod are respectively connected with the first wheel and the second wheel;
the two bearings are respectively sleeved at two ends of the shaft rod and are positioned between the first wheel and the second wheel to form a single-shaft double-track structure.
Preferably, the single-shaft double-rail travelling mechanism further comprises:
a first bearing seat fixedly mounted adjacent a bearing periphery of the first wheel;
a second bearing housing movably mounted adjacent a bearing periphery of the second wheel.
Preferably, the bearing is a self-aligning roller bearing.
Preferably, the single-shaft double-rail travelling mechanism further comprises:
the two ends of the first-stage trolley frame are respectively and fixedly connected with the first bearing seat and the second bearing seat so as to balance the wheel pressure of the first wheel and the second wheel;
the second stage trolley frame is movably connected with the first stage trolley frame so as to balance the wheel pressure in the walking direction.
Preferably, the first stage bogie frame is connected with the second stage bogie frame through a first pin shaft, and the axial direction of the first pin shaft is perpendicular to the axial direction of the shaft rod.
Furthermore, the second-stage bogie frame is connected with the balance beam through a second pin shaft, and the axial direction of the second pin shaft is perpendicular to the axial direction of the first pin shaft.
Further, the single-shaft double-rail travelling mechanism further comprises:
the transition support is arranged between the bearing and the first stage trolley frame, two sides of the bottom end of the transition support are fixedly connected with the first bearing seat and the second bearing seat respectively, and the upper end of the transition support is fixedly connected with the first stage trolley frame.
Preferably, the level of the upper end of the transition support is higher than the level of the first and second wheels.
Preferably, the transition support is fixedly connected with the first stage bogie frame through bolts.
According to the utility model discloses heavy equipment of second aspect embodiment includes:
the single-shaft double-rail travelling mechanism is the single-shaft double-rail travelling mechanism of the embodiment.
Preferably, the first wheel and the second wheel are spaced apart by 1.435 meters.
The above technical scheme of the utility model one of following beneficial effect has at least:
1) according to the single-shaft double-track walking mechanism provided by the embodiment of the utility model, a single-side double track is adopted, wheels are arranged externally, and bearings are arranged internally, so that compared with a mode that the wheels are arranged externally and are arranged internally, materials can be saved, the weight of the walking mechanism is reduced, and the structure is more compact;
2) by arranging the transition support, the wheels can be disassembled on the side surface, the problem of insufficient disassembling and assembling space along the direction of a cart track can be avoided, and the wheels are convenient to install and maintain;
3) through setting up first order platform truck frame and second level platform truck frame, the tire pressure of first wheel and second wheel can be effectively balanced, avoids pressure distribution inequality, influences the life of wheel.
Drawings
Fig. 1 is a schematic partial sectional view of a single-shaft double-rail traveling mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural view in the direction of a-a in fig. 1.
Reference numerals:
a first wheel 10;
a second wheel 20;
a shaft 30;
a bearing 40; a first bearing housing 41; a second bearing housing 42;
a first stage carriage frame 50; a first pin 51;
a second stage carriage frame 60; a second pin 61;
a transition support 70; and a bolt 71.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
The following first describes the single-axle double-track traveling mechanism according to an embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 2, a single-axle double-track traveling mechanism according to an embodiment of the present invention is used for being installed on heavy equipment to transport or transfer the heavy equipment, and includes a first wheel 10, a second wheel 20, a shaft 30, and two bearings 40.
Specifically, the first wheel 10 is disposed opposite to the second wheel 20, two ends of the shaft 30 are respectively connected to the first wheel 10 and the second wheel 20, and two bearings 40 are respectively sleeved on the shaft 30 and located between the first wheel 10 and the second wheel 20 to form a single-axle double-track structure.
That is to say, install first wheel 10 and second wheel 20 respectively at the both ends of axostylus axostyle 30, and overlap respectively at the both ends of axostylus axostyle 30 and be equipped with a bearing 40, two bearings 40 are located between first wheel 10 and the second wheel 20, have realized the structure of unipolar double wheel, have adopted the wheel external, the built-in arrangement of bearing 40, compare with the external structure of traditional single wheel and bearing 40, can material saving, satisfy the transition of ten thousand tons of equipment, lighten running gear's weight, the structure is compacter.
For example, transport ten thousand tons of oversize equipment, single leg wheel quantity need reach 32 wheels, and 128 wheels of whole machine if according to traditional single track arrangement form, will surpass along track direction structural requirement, and pass through the utility model discloses a two wheel structures of unipolar can reduce half orbital arrangement length, not only satisfy compact space arrangement, super large bearing capacity's requirement, practiced thrift the material simultaneously.
From this, according to the utility model discloses unipolar double track running gear can effectual saving space, and material saving can satisfy the transportation requirement to last ten thousand tons main equipment simultaneously, the transportation of the heavy equipment of being convenient for.
According to an embodiment of the present invention, the single-axle double-track traveling mechanism further comprises a first bearing seat 41 and a second bearing seat 42, the first bearing seat 41 is fixedly installed at the periphery of the bearing 40 adjacent to the first wheel 10, and the second bearing seat 42 is movably installed at the periphery of the bearing 40 adjacent to the second wheel 20.
In other words, the first bearing seat 41 is fixedly connected with the bearing 40 disposed therein, and the second bearing seat 42 is movably connected with the bearing 40 disposed therein, that is, the bearing 40 on one side of the shaft 30 is fixed, and the other side is in a floating manner, so that the axial load of the bearing 40 can be released through the floating end, and particularly, the material expansion internal force caused by heat can be released, thereby better protecting the bearing 40 and prolonging the service life of the bearing 40.
Further, the bearing 40 is a self-aligning roller bearing 40, the bearing 40 can bear radial load and axial load, particularly has high radial load capacity, and the outer ring raceway of the bearing 40 is spherical, has good self-aligning performance, and can compensate coaxiality errors.
According to the utility model discloses the unipolar double track running gear of another aspect embodiment still includes first order platform frame 50 and second level platform frame 60, the both ends of first order platform frame 50 respectively with first bearing frame 41 and second bearing frame 42 fixed connection to the wheel pressure of balanced first wheel 10 and second wheel 20, second level platform frame 60 and first order platform frame 50 swing joint, with the wheel pressure of balanced walking direction (transport track direction promptly).
That is, a first stage bogie 50 is fixedly connected above the first bearing seat 41 and the second bearing seat 42, the wheel pressure of the first wheel 10 and the second wheel 20 can be balanced through the first stage bogie 50 to better protect the wheels, a second stage bogie 60 is movably connected to the first stage bogie 50 at the middle position between the first wheel 10 and the second wheel 20, and the wheel pressure in the track direction can be balanced through the second stage bogie 60 to ensure the uniform pressure distribution of the wheels.
Preferably, the first stage bogie 50 and the second stage bogie 60 are connected by a first pin 51, the axial direction of the first pin 51 is perpendicular to the axial direction of the shaft 30, the second stage bogie 60 is connected with the balance beam by a second pin 61, and the axial direction of the second pin 61 is perpendicular to the axial direction of the first pin 51.
In other words, the first stage bogie 50 is movably connected with the second stage bogie 60 by the first pin shaft 51, and the axial direction of the first pin shaft 51 is perpendicular to the axial direction of the shaft rod 30, so that the wheel pressure of the first wheel 10 and the second wheel 20 can be better balanced, the second stage bogie 60 is movably connected with the balance beam by the second pin shaft 61, and the axial direction of the second pin shaft 61 is perpendicular to the axial direction of the first pin shaft 51, so as to balance the wheel pressure in the traveling direction (i.e. the transportation track direction).
In some embodiments of the utility model, unipolar double track running gear still includes transition support 70, and transition support 70 sets up between bearing 40 and first order bogie frame 50, the both sides of the bottom of transition support 70 respectively with first bearing frame 41 and second bearing frame 42 fixed connection, upper end and first order bogie frame 50 fixed connection.
That is, the transition bracket 70 is disposed above the first bearing seat 41 and the second bearing seat 42, so that the first stage bogie 50 can be fixedly connected with the first bearing seat 41 and the second bearing seat 42, and the wheel can be detached conveniently.
Preferably, the level of the upper end of the transition bracket 70 is higher than the level of the first wheel 10 and the second wheel 20. That is, by providing the transition bracket 70, the height of the first stage bogie 50 is higher than the outer edge of the upper part of the wheel, when the wheel needs to be mounted and dismounted, the wheel can be dismounted or mounted on the side, and because the components along the track direction are densely arranged, the problem of insufficient dismounting space along the track direction can be solved by the arrangement of the transition bracket 70, the convenience of mounting and dismounting the wheel is improved, and the maintenance is convenient.
Preferably, the transition bracket 70 is fixedly connected with the first stage bogie 50 by bolts 71. The fixing mode is firmer and convenient to install and disassemble.
In a word, according to the utility model discloses unipolar double track running gear can transport nearly ten thousand tons of super huge equipment, not only satisfies compact space arrangement, super large bearing capacity's requirement, and is convenient for maintain, has improved the life of wheel.
According to the utility model discloses heavy equipment includes according to a plurality of unipolar double track running gear of above-mentioned embodiment, wherein, the interval of first wheel 10 and second wheel 20 is 1.435 meters to make heavy equipment accessible standard gauge's railway rails to carry out the transition.
Other structures and operations of the vehicle according to the embodiments of the present invention will be understood and readily implemented by those skilled in the art, and thus will not be described in detail.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (11)
1. A single-shaft double-rail traveling mechanism is characterized by comprising:
a first wheel;
a second wheel, the first wheel being disposed opposite the second wheel;
the two ends of the shaft rod are respectively connected with the first wheel and the second wheel;
the two bearings are respectively sleeved on the shaft rod and are positioned between the first wheel and the second wheel to form a single-shaft double-track structure.
2. The single-axle double-track running mechanism according to claim 1, further comprising:
a first bearing seat fixedly mounted adjacent a bearing periphery of the first wheel;
a second bearing housing movably mounted adjacent a bearing periphery of the second wheel.
3. The single-axle double-track running mechanism according to claim 1, wherein the bearing is a self-aligning roller bearing.
4. The single-axle double-track running mechanism according to claim 2, further comprising:
the two ends of the first-stage trolley frame are respectively and fixedly connected with the first bearing seat and the second bearing seat so as to balance the wheel pressure of the first wheel and the second wheel;
the second stage trolley frame is movably connected with the first stage trolley frame so as to balance the wheel pressure in the walking direction.
5. The single-shaft double-rail traveling mechanism according to claim 4, wherein the first stage bogie frame and the second stage bogie frame are connected by a first pin, and an axial direction of the first pin is perpendicular to an axial direction of the shaft.
6. The single-shaft double-rail travelling mechanism according to claim 5, wherein the second-stage bogie frame is connected with the balance beam through a second pin shaft, and the axial direction of the second pin shaft is perpendicular to the axial direction of the first pin shaft.
7. The single-axle double-rail running mechanism according to claim 4, further comprising:
and two sides of the bottom end of the transition support are respectively fixedly connected with the first bearing seat and the second bearing seat, and the upper end of the transition support is fixedly connected with the first stage trolley frame.
8. The single-axle double-rail running mechanism according to claim 7, wherein the upper end of the transition support has a higher level than the first and second wheels.
9. The single-shaft double-rail travelling mechanism according to claim 7, wherein the transition support is fixedly connected with the first stage bogie frame through bolts.
10. Heavy equipment, characterized in that it comprises:
a plurality of single-axis double-track running mechanisms, wherein the single-axis double-track running mechanism is the single-axis double-track running mechanism according to any one of claims 1 to 9.
11. The heavy equipment of claim 10, wherein the first wheel and the second wheel are spaced apart by 1.435 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920238045.0U CN209889685U (en) | 2019-02-25 | 2019-02-25 | Single-shaft double-rail travelling mechanism and heavy equipment comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920238045.0U CN209889685U (en) | 2019-02-25 | 2019-02-25 | Single-shaft double-rail travelling mechanism and heavy equipment comprising same |
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| CN209889685U true CN209889685U (en) | 2020-01-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625827A (en) * | 2019-02-25 | 2019-04-16 | 上海振华重工(集团)股份有限公司 | Uniaxial double track walking mechanism and the weight equipment comprising it |
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2019
- 2019-02-25 CN CN201920238045.0U patent/CN209889685U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625827A (en) * | 2019-02-25 | 2019-04-16 | 上海振华重工(集团)股份有限公司 | Uniaxial double track walking mechanism and the weight equipment comprising it |
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