CN213386564U - Long steel rail conveyor and long steel rail transport vehicle set - Google Patents

Abstract

The utility model provides a long steel rail conveyor and a long steel rail transport vehicle set, which comprises a lower frame, two swing arm assemblies and two lifting assemblies; the lower machine base comprises a base provided with a first conveying wheel and a supporting table positioned in the middle of the base; two lifting assemblies in one-to-one correspondence with the swing arm assemblies are respectively arranged on two opposite sides of the base, each swing arm assembly comprises a swing arm and a second conveying wheel on the swing arm, the first end of the swing arm is hinged with the supporting table, the second end of the swing arm is connected with the lifting assembly, and the first conveying wheel and the second conveying wheel are arranged oppositely; the swing arm rotates relative to the support table along with the lifting of the lifting assembly, so that the first conveying wheel and the second conveying wheel are pressed on two sides of the steel rail to be conveyed together; the utility model provides a long rail conveyer and long rail transport vechicle group sets up the relative both sides at the base respectively through two lifting unit with swing arm subassembly one-to-one, makes two swing arm subassemblies compress tightly the rail that is located the relative both sides of base simultaneously to realize the low consumption efficient and carry the rail.

Description

Long steel rail conveyor and long steel rail transport vehicle set

Technical Field

The embodiment of the utility model provides a long rail transport vechicle group technical field especially relates to a long rail conveyer and long rail transport vechicle group.

Background

Rail transit is a type of vehicle or transport system in which a vehicle needs to travel on a rail, which is formed by laying two rails in parallel. The steel rail laid on the track has the characteristics of long length and large mass, and the conveying process is difficult. Therefore, how to realize the transportation and transportation of long steel rails during the laying and dismantling process becomes a research hotspot.

In the prior art, long steel rail transportation and conveying are usually realized in the laying and dismounting process by adopting a long steel rail vehicle set. The long steel rail vehicle set is a special vehicle set for transporting and welding long steel rails, which is formed by combining special vehicles with different functions and different structures, wherein a conveyor is mainly used for conveying the steel rails in the process of receiving and unloading the steel rails. The existing conveyor comprises an upper conveying wheel positioned above a steel rail to be conveyed and a lower conveying wheel positioned below the steel rail to be conveyed, wherein the upper conveying wheel is positioned in an upper support of the conveyor, the lower conveying wheel is positioned in a lower support of the conveyor, and the upper support and the lower support are connected through hydraulic cylinders positioned at two ends. After the steel rail is arranged between the upper conveying wheel and the lower conveying wheel, the hydraulic cylinder controls the upper support to descend, and the steel rail to be conveyed is pressed through the upper conveying wheel, so that the steel rail is conveyed through the rotation of the upper conveying wheel and the lower conveying wheel.

Because the pressing force of the hydraulic cylinders at the two ends on the steel rail is difficult to ensure to be inconsistent, one end of the upper bracket tilts relative to the other end, and the pressing force of one end of the conveying device on the steel rail is insufficient, so that the friction force for conveying the steel rail is insufficient, and the problems of large conveying energy consumption and low conveying efficiency are caused.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a long rail conveyer and long rail transport vechicle group for solve the pneumatic cylinder that is located both ends and to rail packing force inconsistent, conveyor one end is not enough to the packing force of rail, causes the frictional force that is used for carrying the rail not enough, and then leads to carrying the big and transport efficiency low problem of power consumption.

The utility model provides a long steel rail conveyor, which comprises a lower machine base, two swing arm assemblies and two lifting assemblies;

the lower machine base comprises a base and a supporting table positioned in the middle of the base, and a first conveying wheel is arranged on the base;

the two lifting assemblies are respectively arranged on two opposite sides of the base, the swing arm assemblies and the lifting assemblies are arranged in a one-to-one correspondence mode, each swing arm assembly comprises a swing arm and a second conveying wheel arranged on the swing arm, the first end of the swing arm is hinged to the top end of the supporting table, the second end of the swing arm is connected with the corresponding lifting assembly, and the first conveying wheel and the second conveying wheel are arranged oppositely and are provided with rotating shafts which are parallel to each other;

the swing arm is used for rotating relative to the support table along with the lifting of the lifting assembly, so that the first conveying wheel and the corresponding second conveying wheel are pressed on two sides of a steel rail to be conveyed together.

Furthermore, the lifting assembly comprises a hydraulic cylinder, one end of the hydraulic cylinder is hinged to the second end of the swing arm, and the other end of the hydraulic cylinder is hinged to the base.

Further, the top of the base is provided with a supporting plane, and the outer edge of the first conveying wheel protrudes out of the supporting plane.

Furthermore, the support table is provided with an avoiding hole for avoiding the steel rail to be conveyed.

Furthermore, the second conveying wheel is a driving wheel, and the first conveying wheel is a driven wheel.

Further, the swing arm assembly further comprises a driving device, and the driving device is connected with the axis of the second conveying wheel and used for driving the second conveying wheel to rotate.

Furthermore, two first conveying wheels are arranged on the lower machine base at intervals and are respectively positioned on two sides of the supporting table.

Furthermore, an accommodating cavity is formed in the swing arm, an opening is formed below the accommodating cavity, the second conveying wheel is arranged in the accommodating cavity, and the outer edge of the second conveying wheel protrudes out of the outer side of the opening.

The utility model also provides a long rail transport vechicle group, include: the long rail conveyor of any one of the above claims.

Furthermore, the long steel rail transport vehicle set comprises two long steel rail conveyors, wherein the two long steel rail conveyors are respectively arranged on two sides of the vehicle body and used for conveying two steel rails simultaneously.

The utility model provides a long rail conveyor and a long rail transport vehicle set, which comprises a lower frame, two swing arm assemblies and two lifting assemblies; the lower machine base comprises a base and a supporting table positioned in the middle of the base, and a first conveying wheel is arranged on the base; the two lifting assemblies are respectively arranged on two opposite sides of the base, the swing arm assemblies and the lifting assemblies are arranged in a one-to-one correspondence mode, each swing arm assembly comprises a swing arm and a second conveying wheel arranged on the swing arm, the first end of the swing arm is hinged to the top end of the supporting table, the second end of the swing arm is connected with the corresponding lifting assembly, and the first conveying wheel and the second conveying wheel are arranged oppositely and are provided with rotating shafts which are parallel to each other; the swing arm is used for rotating relative to the support table along with the lifting of the lifting assembly so as to enable the first conveying wheel and the corresponding second conveying wheel to be compressed on two sides of the steel rail to be conveyed together; the utility model provides a long rail conveyer and long rail transport vechicle group sets up the relative both sides at the base respectively through two lifting unit with swing arm subassembly one-to-one, makes two swing arm subassemblies compress tightly the rail that is located the relative both sides of base simultaneously to realize the low consumption efficient and carry the rail.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic structural view of a long rail conveyor according to an embodiment of the present invention;

fig. 2 is a front view of a long rail conveyor according to an embodiment of the present invention;

fig. 3 is a side view of a long rail conveyor according to an embodiment of the present invention;

fig. 4 is a top view of a long rail conveyor according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a swing arm assembly in a long rail conveyor according to an embodiment of the present invention.

Reference numerals:

1: a lower machine base;

11: a base;

111: a support plane;

12: a support table;

121: avoiding holes;

122: a connecting shaft;

13: a first delivery wheel;

2: a swing arm assembly;

21: swinging arms;

22: a second delivery wheel;

23: a drive device;

3: a lifting assembly;

31: and a hydraulic cylinder.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The rail traffic vehicle needs to run on a track, and the track is formed by laying two steel rails in parallel. The quality of the track laying directly affects the operation of the vehicle. In order to improve the laying quality of the track, a single long steel rail with a long length can be used for laying as much as possible, so that welding points required for connecting the long steel rails are reduced, and the flatness of the track formed by laying is improved. The length of the long rail to which the present application relates may be 500 meters.

Fig. 1 is a schematic structural view of a long rail conveyor according to an embodiment of the present invention; fig. 2 is a front view of a long rail conveyor according to an embodiment of the present invention; fig. 3 is a side view of a long rail conveyor according to an embodiment of the present invention; fig. 4 is a top view of a long rail conveyor according to an embodiment of the present invention; fig. 5 is a schematic structural diagram of a swing arm assembly in a long rail conveyor according to an embodiment of the present invention. A long rail conveyor according to an embodiment of the present application is described below with reference to fig. 1. As shown in fig. 1, the present application provides a long rail conveyor, which comprises a lower base 1, two swing arm assemblies 2 and two lifting assemblies 3; the lower machine base 1 comprises a base 11 and a supporting table 12 positioned in the middle of the base 11, and a first conveying wheel 13 is arranged on the base 11; the two lifting assemblies 3 are respectively arranged on two opposite sides of the base 11, the swing arm assemblies 2 and the lifting assemblies 3 are arranged in a one-to-one correspondence manner, each swing arm assembly 2 comprises a swing arm 21 and a second conveying wheel 22 arranged on the swing arm 21, a first end of the swing arm 21 is hinged with the top end of the support table 12, a second end of the swing arm 21 is connected with the corresponding lifting assembly 3, and the first conveying wheel 13 and the second conveying wheel 22 are arranged oppositely and are provided with rotating shafts which are parallel to each other; the swing arm 21 is used for rotating relative to the support table 12 along with the lifting of the lifting assembly 3, so that the first conveying wheel 13 and the corresponding second conveying wheel 22 are pressed on two sides of the steel rail to be conveyed together.

Specifically, the lower machine base 1 comprises a base 11 and a support table 12 located in the middle of the base 11, wherein a first conveying wheel 13 is arranged on the base 11, it can be understood that the first conveying wheel 13 arranged on the base 11 can be used for supporting the lower side surface of the steel rail to be conveyed, and the first conveying wheel 13 can rotate correspondingly in the process of conveying the steel rail to be conveyed; the support table 12 should have a certain support height so that, after the support table 12 is articulated with the swing arm 21, there is a space between the swing arm assembly 2 and the base 11 for the rails to be transported to pass through.

Optionally, a first end of the swing arm 21 is hinged to the top end of the support table 12, and a second end of the swing arm 21 is connected to the corresponding lifting assembly 3, so that the swing arm 21 can be supported above the base 11 through the support table 12 and the lifting assembly 3, and along with the lifting assembly 3 driving the second end of the swing arm 21 to lift, the swing arm 21 can rotate around the support table 12 through the first end to change the distance between the swing arm 21 and the base 11, and further change the distance between the second delivery wheel 22 arranged on the swing arm 21 and the corresponding first delivery wheel 13, so as to realize that the first delivery wheel 13 and the second delivery wheel 22 can be pressed or loosened on two sides of the steel rail to be delivered together; the first conveying wheel 13 and the second conveying wheel 22 are oppositely arranged and are provided with rotating shafts which are parallel to each other, after the first conveying wheel 13 and the second conveying wheel 22 can be pressed on two sides of a steel rail to be conveyed together, the first conveying wheel 13 or the second conveying wheel 22 can be driven to rotate, and the rotating directions of the first conveying wheel 13 and the second conveying wheel 22 are the same, so that the steel rail to be conveyed can be conveyed synchronously through the first conveying wheel 13 and the second conveying wheel 22.

Alternatively, the degree of the compression of the first conveying wheel 13 and the second conveying wheel 22 on the two sides of the steel rail to be conveyed can be controlled by adjusting the lifting height of the lifting assembly 3 according to the friction force required for conveying the steel rail to be conveyed.

Optionally, the two lifting assemblies 3 are respectively arranged at two opposite sides of the base 11, and the swing arm assemblies 2 and the lifting assemblies 3 are arranged in a one-to-one correspondence manner, and it can be understood that two opposite sides of the base 11 are respectively provided with a swing arm 21, two ends of which are respectively connected with the base 11 through the supporting table 12 and the lifting assemblies 3; under the lifting action of the lifting assembly 3, each swing arm 21 can rotate around the support table 12 to change the distance between each swing arm 21 and one end of the corresponding base 11.

Alternatively, the outer edge surfaces of the first conveying wheel 13 and the second conveying wheel 22 should match the shape of the side wall of the rail to be conveyed, so that the outer edge surfaces of the first conveying wheel 13 and the second conveying wheel 22 have enough contact area with the side surface of the rail to be conveyed, and further, the common conveying wheel is convenient to press the side surface of the rail to be conveyed for conveying the rail to be conveyed.

Alternatively, there may be a variety of ways in which the first end of the swing arm 21 and the top end of the support table 12 may be articulated; for example, the first end of the swing arm 21 and the top end of the support table 12 may be hinged by a connecting shaft 122, so that the swing arm 21 can be rotated about the connecting shaft 122 to change the distance between the swing arm 21 and the base 11.

The utility model provides a long steel rail conveyor, which comprises a lower machine base 1, two swing arm assemblies 2 and two lifting assemblies 3; the lower machine base 1 comprises a base 11 and a supporting table 12 positioned in the middle of the base 11, and a first conveying wheel 13 is arranged on the base 11; the two lifting assemblies 3 are respectively arranged on two opposite sides of the base 11, the swing arm assemblies 2 and the lifting assemblies 3 are arranged in a one-to-one correspondence manner, each swing arm assembly 2 comprises a swing arm 21 and a second conveying wheel 22 arranged on the swing arm 21, a first end of the swing arm 21 is hinged with the top end of the support table 12, a second end of the swing arm 21 is connected with the corresponding lifting assembly 3, and the first conveying wheel 13 and the second conveying wheel 22 are arranged oppositely and are provided with rotating shafts which are parallel to each other; the swing arm 21 is used for rotating relative to the support table 12 along with the lifting of the lifting assembly 3, so that the first conveying wheel 13 and the corresponding second conveying wheel 22 are pressed on two sides of the steel rail to be conveyed together; the utility model provides a long rail conveyor sets up the relative both sides at base 11 respectively through two lifting unit 3 with swing arm subassembly 2 one-to-one, makes two swing arm subassemblies 2 can compress tightly the rail that is located the relative both sides of base 11 simultaneously, has avoided the packing force inconsistent and cause the frictional force that is used for carrying the rail at rail both ends not enough, and then has realized that the low consumption efficient carries the rail.

Referring to fig. 1-3, further, the lifting assembly 3 includes a hydraulic cylinder 31, one end of the hydraulic cylinder 31 is hinged to the second end of the swing arm 21, and the other end of the hydraulic cylinder 31 is hinged to the base 11.

Specifically, one end of the hydraulic cylinder 31 is hinged to the second end of the swing arm 21, and the other end of the hydraulic cylinder 31 is hinged to the base 11, so that the swing arm assembly 2 can rotate relative to the support table 12 as the hydraulic cylinder 31 extends and retracts.

Alternatively, the lifting assembly 3 may comprise two sets of hydraulic cylinders 31, each set of hydraulic cylinders 31 may comprise two hydraulic cylinders 31, the two hydraulic cylinders 31 in the same set of hydraulic cylinders 31 are respectively located at two sides of the same end of the base 11, and the distance between the two hydraulic cylinders 31 in the same set of hydraulic cylinders 31 should be capable of allowing the steel rail to be transported to pass through.

Alternatively, since the force required is large due to the need for pressing, it is appropriate to use the hydraulic cylinder 31.

The long steel rail conveyor provided by the embodiment is connected between the swing arm 21 and the base 11 by arranging the hydraulic cylinder 31, stable and enough power can be provided for the rotation of the relative support table 12 of the swing arm assembly 2, so that the swing arm assembly 2 can press the two sides of a steel rail to be conveyed together through the first conveying wheel 13 and the corresponding second conveying wheel 22, and in the conveying process, the contact positions of the first conveying wheel 13, the second conveying wheel 22 and the steel rail to be conveyed are guaranteed to have enough friction force to be used for conveying the steel rail to be conveyed.

Referring to fig. 1 and 2, further, the top of the base 11 has a supporting plane 111, and the outer edge of the first conveying wheel 13 protrudes from the supporting plane 111.

Specifically, the top of the base 11 has a support plane 111 capable of supporting the rail to be transported to have an initial height close to and lower than the height of the outer edge of the first transporting wheel 13, so as to transport the rail to be transported through the outer edge of the first transporting wheel 13.

When the long steel rail conveyor provided by the embodiment is adopted, the steel rail to be conveyed can be placed on the base 11 firstly, so that the side surface of the steel rail falls on the first conveying wheel 13 and the supporting platform, and the side wall of the steel rail to be conveyed can be parallel to the ground as far as possible through the supporting height provided by the supporting plane 111, so that the steel rail to be conveyed can be conveyed through the horizontal conveying of the first conveying wheel 13 and the second conveying wheel 22.

The long rail conveyor provided by the embodiment can provide an initial height for the rail to be conveyed by the supporting plane 111 on the top of the base 11, so as to convey the rail to be conveyed through the first conveying wheel 13.

Referring to fig. 1 and 3, the support table 12 is further provided with an avoidance hole 121 for avoiding a rail to be conveyed.

Specifically, the support table 12 is provided with an avoiding hole 121 through which the steel rail to be conveyed passes, the avoiding hole 121 may be formed in the middle of the support table 12, and the forming direction of the avoiding hole 121 should be consistent with the conveying direction of the steel rail to be conveyed, so that the steel rail to be conveyed is conveyed from one side of the support table 12 to the other side of the support table 12.

Referring to fig. 1-3, further, the second conveying wheel 22 is a driving wheel, and the first conveying wheel 13 is a driven wheel.

Specifically, the second conveying wheel 22 is a driving wheel, which should be connected with the driving device 23 and can actively rotate under the action of the driving device 23; the first conveying wheel 13 is a driven wheel that is freely rotatable with respect to the base 11. Second delivery wheel 22 sets up on swing arm 21, first delivery wheel 13 sets up on base 11, when the rail is waited to carry as required, swing arm 21 rotates supporting bench 12 relatively, make first delivery wheel 13 and the second delivery wheel 22 that corresponds compress tightly jointly when waiting to carry the rail both sides, first delivery wheel 13 is located the below of waiting to carry the rail, second delivery wheel 22 is located the top of waiting to carry the rail, rotate the back at drive arrangement 23 drive second delivery wheel 22, second delivery wheel 22 drives and waits to carry the rail and remove, and then drive from driving wheel rotation, in order to realize treating the transport of carrying the rail. When not compressing tightly through second delivery wheel 22 and waiting to carry the rail, because the setting is located first delivery wheel 13 on base 11 and is driven the wheel, can carry out free rotation for base 11, arrange the rail of waiting to carry of base 11 and first delivery wheel 13 in and can realize short distance's removal under the pushing action of other external forces, be the action wheel for setting up first delivery wheel 13, set up first delivery wheel 13 and be applicable in more different operating modes for following the wheel.

Referring to fig. 1-4, the swing arm assembly 2 optionally further comprises a driving device 23, and the driving device 23 is connected with the axle center of the second conveying wheel 22 and is used for driving the second conveying wheel 22 to rotate. By arranging the driving device 23 and connecting the driving device 23 with the axle center of the second conveying wheel 22, the second conveying wheel 22 can rotate around the axle center thereof under the driving action of the driving device 23, so as to be used for conveying steel rails by a conveying belt.

Referring to fig. 1 and 2, further, two first conveying wheels 13 are arranged on the lower machine base 1 at intervals, and the two first conveying wheels 13 are respectively located at two sides of the support table 12.

Specifically, two first conveying wheels 13 are arranged on the lower machine base 1, and the two first conveying wheels 13 respectively correspond to the second conveying wheels 22 arranged on the two swing arms 21 so as to be pressed on two sides of the steel rail to be conveyed together.

Referring to fig. 1 to 5, further, an accommodating cavity is disposed on the swing arm 21, an opening is disposed below the accommodating cavity, the second conveying wheel 22 is disposed in the accommodating cavity, and an outer edge of the second conveying wheel 22 protrudes outside the opening.

Specifically, the second conveying wheel 22 is disposed in the accommodating cavity, and both ends of the second conveying wheel 22 and the side wall forming the accommodating cavity should be rotatably connected, so that the second conveying wheel 22 can be used for conveying the steel rail to be conveyed by rotating; the outer edge of the second conveying wheel 22 protrudes out of the opening, so that the outer edge of the second conveying wheel 22 is matched with the first conveying wheel 13 to be pressed on two sides of the steel rail to be conveyed together.

Optionally, the rotatable connection between the second conveying wheel 22 and the swing arm 21 may be in various manners, and as an example, the second conveying wheel 22 and the swing arm 21 are connected by a bearing, the swing arm 21 should have a side wall forming an accommodating cavity, the second conveying wheel 22 should have a rotating shaft disposed along an axial direction thereof, and two ends of the rotating shaft may be respectively connected with the side wall by the bearing, so as to facilitate the second conveying wheel 22 to rotate along the axial direction of the rotating shaft.

The long steel rail conveyor provided by the embodiment is provided with the accommodating cavity with the opening below the swing arm 21, the second conveying wheel 22 is arranged in the accommodating cavity, the connection between the second conveying wheel 22 and the swing arm 21 is convenient to realize, and the swing arm 21 forming the accommodating cavity has the protection and supporting functions on the second conveying wheel 22.

This embodiment still provides a long rail transport vechicle group, includes: the long steel rail conveyor provided by the embodiment is provided.

The structure of the long rail conveyor is described in detail in the above embodiments, and is not described in detail here.

Specifically, the long steel rail conveyor is used for conveying long steel rails in a long steel rail transport vehicle set, and the number and the arrangement mode of the long steel rail conveyor can be set according to actual needs when the long steel rails are conveyed.

Optionally, the long steel rail transport vehicle set comprises two long steel rail conveyors, and the two long steel rail conveyors are respectively arranged on two sides of the vehicle body and used for conveying two steel rails simultaneously; the long steel rail transport vehicle group can be used for simultaneously transporting two steel rails, and is particularly suitable for being used in the operation of simultaneously laying or simultaneously disassembling the two parallel steel rails.

The long rail transport vechicle group that this embodiment provided, in carrying out rail transport operation, its long rail conveyer sets up respectively in the relative both sides of base 11 through two lifting unit 3 with swing arm subassembly 2 one-to-one, makes two swing arm subassemblies 2 can compress tightly the rail that is located 11 relative both sides of base simultaneously, carries the rail with the realization low consumption efficient, and can reduce the occupation of long rail conveyer to long rail transport vechicle group upper space, optimizes the equipment overall arrangement on the long rail transport vechicle group.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, which are used to indicate the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A long steel rail conveyor is characterized by comprising a lower base, two swing arm assemblies and two lifting assemblies;

the lower machine base comprises a base and a supporting table positioned in the middle of the base, and a first conveying wheel is arranged on the base;

the two lifting assemblies are respectively arranged on two opposite sides of the base, the swing arm assemblies and the lifting assemblies are arranged in a one-to-one correspondence mode, each swing arm assembly comprises a swing arm and a second conveying wheel arranged on the swing arm, the first end of the swing arm is hinged to the top end of the supporting table, the second end of the swing arm is connected with the corresponding lifting assembly, and the first conveying wheel and the second conveying wheel are arranged oppositely and are provided with rotating shafts which are parallel to each other;

the swing arm is used for rotating relative to the support table along with the lifting of the lifting assembly, so that the first conveying wheel and the corresponding second conveying wheel are pressed on two sides of a steel rail to be conveyed together.

2. The long rail conveyor of claim 1, wherein the lift assembly includes a hydraulic cylinder, one end of the hydraulic cylinder being articulated to the second end of the swing arm, the other end of the hydraulic cylinder being articulated to the base.

3. The long rail conveyor of claim 1, wherein the top of the base has a support plane, and the outer edge of the first conveyor wheel projects from the support plane.

4. The long steel rail conveyor according to any one of claims 1 to 3, wherein the support table is provided with an avoidance hole for avoiding the steel rail to be conveyed.

5. The long rail conveyor according to any one of claims 1 to 3, wherein the second conveying wheel is a driving wheel and the first conveying wheel is a driven wheel.

6. The long rail conveyor of claim 5, wherein the swing arm assembly further comprises a drive device coupled to the axle center of the second conveyor wheel for driving the second conveyor wheel in rotation.

7. The long rail conveyor according to claim 5, wherein the lower base is provided with two first conveyor wheels at intervals, and the two first conveyor wheels are respectively positioned on two sides of the support platform.

8. The long steel rail conveyor according to any one of claims 1 to 3, wherein the swing arm is provided with an accommodating cavity, an opening is formed below the accommodating cavity, the second conveying wheel is arranged in the accommodating cavity, and the outer edge of the second conveying wheel protrudes out of the opening.

9. A long rail transport vehicle consist, comprising: the long rail conveyor according to any one of claims 1 to 8.

10. The long rail transport consist as claimed in claim 9, wherein the long rail transport consist comprises two long rail conveyors, each arranged on either side of the body for conveying two rails simultaneously.

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