Station track transfer device

Abstract

Compared with the prior art, the station track transferring device comprises a rectangular fixing frame, a plurality of station tracks and a plurality of station tracks, the lifting columns are arranged at four corners of the rectangular fixed frame; the lifting platform is arranged on the rectangular fixed frame; one end of the hinge assembly is connected with the lifting column, and the other end is connected with the lifting platform; the first spring stand column is arranged on the hinge assembly; the second spring stand column is arranged on the lifting column; the tension spring is arranged between the first spring stand column and the second spring stand column, and the two ends of the tension spring are movably connected with the first spring stand column and the second spring stand column respectively; one end of the lifting power assembly is connected with the lifting column, and the other end of the lifting power assembly is connected with the lifting platform. According to the technical scheme disclosed by the utility model, the manufacturing cost is reduced, the stress is balanced when the inspection robot is lifted, large-area lifting operation can be realized, and the transfer efficiency of the inspection robot is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of track detection, and particularly to a turnout transfer device. Background Art

[0002] With the development of intelligent technology, the application of robots in rail transit has become increasingly common. Among them, for the inspection of the bottom of vehicles such as subways and high-speed rails, due to reasons such as high work intensity, short inspection time, and inspection content, there is a particularly strong desire for inspection robots that can replace manual labor.

[0003] Currently, due to the general existence of height differences between vehicle inspection tracks, a turnout transfer device is required to cooperate with the inspection robot for transfer between turnouts. When moving the inspection robot up and down, in order to avoid easy shaking during lifting, the lifting balance of the rotating device is crucial. However, in existing transfer devices, the device structure is generally bloated and complex, and the manufacturing cost is too high. There are problems of poor stability and unbalanced force when lifting the robot, and shaking occurs during lifting, and in severe cases, the inspection robot will be damaged.

[0004] Therefore, how to provide a turnout transfer device with a simple structure, low manufacturing cost, balanced force when lifting the inspection robot, capable of realizing large-area lifting operations, and improving the transfer efficiency of the inspection robot has become an urgent technical problem for those skilled in the art. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a turnout transfer device with a simple structure, low manufacturing cost, balanced force when lifting the inspection robot, capable of realizing large-area lifting operations, and improving the transfer efficiency of the inspection robot.

[0006] The technical solution provided by the utility model is as follows:

[0007] The utility model provides a turnout transfer device, comprising: a rectangular fixed frame; lifting columns arranged at four corners of the rectangular fixed frame; a lifting platform arranged on the rectangular fixed frame; hinge assemblies with one end connected to the lifting columns and the other end connected to the lifting platform; first spring columns arranged on the hinge assemblies; second spring columns arranged on the lifting columns; a tension spring arranged between the first spring column and the second spring column and movably connected to the first spring column and the second spring column at both ends; a lifting power assembly with one end connected to the lifting column and the other end connected to the lifting platform.

[0008] Further, in a preferred embodiment of the utility model, the lifting column comprises:

[0009] First lifting columns symmetrically arranged on both sides of the front end of the rectangular fixed frame;

[0010] The second lifting columns symmetrically arranged on both sides of the rear end of the rectangular fixed frame.

[0011] Further, in a preferred embodiment of the present invention, the first lifting column or the second lifting column includes:

[0012] Vertical plates arranged at the four corners of the rectangular fixed frame;

[0013] Flat plates horizontally arranged on the vertical plates;

[0014] Side plates vertically arranged on the side walls of the flat plates and connected to the vertical plates.

[0015] Further, in a preferred embodiment of the present invention, the lifting platform is specifically a rectangular platform; an inclined surface structure is arranged on the top surface of the lifting platform;

[0016] Step grooves are arranged on the bottom surface of the lifting platform.

[0017] Further, in a preferred embodiment of the present invention, the hinge assembly includes:

[0018] Triangular plates arranged on one side of the vertical plates;

[0019] The first rotating shaft arranged on the triangular plates;

[0020] The second rotating shaft arranged on the front side wall of the rectangular fixed frame;

[0021] A hinge plate with one end connected to the first rotating shaft and the other end connected to the second rotating shaft.

[0022] Further, in a preferred embodiment of the present invention, the first spring column is connected to the hinge plate, and the second spring column is connected to the vertical plate;

[0023] The first spring column, the second spring column and the tension spring form a spring auxiliary assembly, and four pieces of the spring auxiliary assembly are provided.

[0024] Further, in a preferred embodiment of the present invention, the lifting power assembly includes:

[0025] The first hinge seat arranged on the rear side wall of the rectangular fixed frame;

[0026] The first pin shaft arranged on the first hinge seat;

[0027] The second hinge seat arranged on the second lifting column;

[0028] The second pin shaft arranged on the second hinge seat;

[0029] A servo cylinder assembly with one end connected to the first pin shaft and the other end connected to the second pin shaft.

[0030] Further, in a preferred embodiment of the present invention, the servo cylinder assembly includes:

[0031] A servo motor connected to the second pin shaft;

[0032] An electric cylinder body provided on the servo motor;

[0033] A transmission lead screw disposed within the electric cylinder body and connected to the servo motor;

[0034] A piston rod with one end connected to the transmission lead screw and the other end extending out of the electric cylinder body;

[0035] A slider sleeved on the piston rod and connected to the first pin shaft;

[0036] A fastener embedded at the end of the piston rod;

[0037] A rectangular spring sleeved on the end of the piston rod, with one end abutted against the slider and the other end abutted against the fastener.

[0038] Further, in a preferred embodiment of the present invention, a first through hole is provided on the front surface of the slider; the piston rod penetrates through the first through hole;

[0039] A second through hole is provided on the side wall of the slider;

[0040] The first pin shaft penetrates through the second through hole and is connected to the first hinge seat.

[0041] Further, in a preferred embodiment of the present invention, the rectangular fixed frame is specifically an annular frame; the lifting column is vertically arranged at the four corners of the annular frame and is fixedly connected to the annular frame.

[0042] A track transfer device provided by the present utility model comprises: a rectangular fixed frame; lifting columns arranged at four corners of the rectangular fixed frame; a lifting platform arranged on the rectangular fixed frame; a hinge assembly with one end connected to the lifting columns and the other end connected to the lifting platform; a first spring column arranged on the hinge assembly; a second spring column arranged on the lifting columns; a tension spring arranged between the first spring column and the second spring column and having two ends respectively and movably connected to the first spring column and the second spring column; and a lifting power assembly with one end connected to the lifting columns and the other end connected to the lifting platform.In the track transfer device of the present utility model, its structural main body is composed of the rectangular fixed frame, lifting columns, lifting platform, hinge assemblies, spring auxiliary assemblies, and the lifting power assemblies. Among them, the rectangular fixed frame is the base of the entire track transfer device, which adopts a rectangular structure, enabling the four corners of the rectangular fixed frame to be evenly stressed when the lifting inspection robot is in operation. The lifting columns are arranged at the four corners of the rectangular fixed frame, and the lifting platform is arranged in the middle of the four lifting columns. The hinge assemblies are installed between the lifting columns and the lifting platform, and each lifting column is provided with a hinge assembly. One end of the hinge assembly is movably connected to the lifting platform, and the other end is installed on one side of the lifting column. By using the hinge assemblies, the lifting platform can move up and down in the vertical plane. Moreover, the four hinge assemblies are symmetrically arranged, respectively connecting the four corners of the lifting platform to support the lifting platform, so that the lifting platform is not prone to shaking during lifting, ensuring the overall stable movement of the lifting platform. When the lifting platform is performing lifting operations, the rectangular fixed frame, the lifting platform, and the hinge assemblies can enclose to form a parallelogram structure, and the parallelogram structure can also achieve the balanced stress of the four corners of the large-area lifting platform during lifting. Secondly, the tension spring, the first spring column, and the second spring column are combined to form a spring auxiliary assembly. The tension spring is respectively movably connected to the hinge assembly and the lifting column by using the first spring column and the second spring column, which can greatly reduce the power required for the lifting platform to lift during the operation of the lifting inspection robot, without the need to install a complex power structure, effectively reducing the manufacturing cost. To achieve the up and down movement of the lifting platform, the lifting power assemblies are arranged between the lifting columns and the lifting platform. The servo electric cylinder mechanism is used as the power source in the lifting power assemblies, and the lifting power assemblies are flexibly connected to the lifting platform through pin shaft connectors, which can solve the problem of jamming of the lifting power assemblies caused by inconsistent actions of the two side electric cylinders and uneven stress on the lifting platform. During the use of the track transfer device, when the inspection robot moves to the side of the device, the lifting platform rises, and the robot moves onto the lifting platform, which can provide a large-area lifting platform for the robot. Subsequently, the lifting platform descends, and the robot moves into the track for inspection operations. After the inspection is completed, the robot leaves the track through the lifting platform and moves to the next track for operation, realizing the transfer operation between each track. It can be seen that the technical solution provided by the present utility model, compared with the prior art, has a simple structure, low manufacturing cost, balanced stress during the operation of the lifting inspection robot, can achieve large-area lifting operations, and improve the transfer efficiency of the inspection robot. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0044] Figure 1 Structural schematic diagram of the track transfer device provided by the embodiment of the present invention;

[0045] Figure 2 Side view of the track transfer device provided by the embodiment of the present invention;

[0046] Figure 3 Front view of the track transfer device provided by the embodiment of the present invention;

[0047] Figure 4 Structural schematic diagram of the lifting power assembly provided by the embodiment of the present invention. Detailed implementation manners

[0048] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0049] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly disposed on the other element; when an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0050] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "first", "second", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0051] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meanings of "a plurality of" and "several" are two or more, unless otherwise specifically defined.

[0052] It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the conditions under which the present utility model can be implemented. Therefore, they do not have substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model.

[0053] As Figures 1 to 4 shown, the track transfer device provided by the embodiment of the present utility model includes: a rectangular fixed frame 1, lifting columns, a lifting platform 2, a hinge assembly 3, a spring auxiliary assembly 4, and the lifting power assembly 5.

[0054] The present utility model provides a track transfer device applicable to the transfer operation of a train track inspection robot, specifically including: a rectangular fixed frame 1; lifting columns arranged at the four corners of the rectangular fixed frame 1; a lifting platform 2 arranged on the rectangular fixed frame 1; a hinge assembly 3 with one end connected to the lifting column and the other end connected to the lifting platform 2; a first spring column 4-1 arranged on the hinge assembly 3; a second spring column 4-2 arranged on the lifting column; a tension spring 4-3 arranged between the first spring column 4-1 and the second spring column 4-2 and movably connected to the first spring column 4-1 and the second spring column 4-2 at both ends; a lifting power assembly 5 with one end connected to the lifting column and the other end connected to the lifting platform 2. The technical solution provided by the present utility model, compared with the prior art, has a simple structure, low manufacturing cost, balanced force when lifting the inspection robot, can achieve large-area lifting operations, and improves the transfer efficiency of the inspection robot.

[0055] The following specifically elaborates on the technical solution of the present utility model in combination with embodiments:

[0056] Specifically, in the embodiment of the present utility model, the lifting columns include: first lifting columns 6 symmetrically arranged on both sides of the front end of the rectangular fixed frame 1; second lifting columns 7 symmetrically arranged on both sides of the rear end of the rectangular fixed frame 1.

[0057] As Figure 1As shown, in the embodiment of the present utility model, the lifting column serves as a connecting component for installing the hinge assembly 3, the spring assist assembly 4, and the lifting power assembly 5. The lifting column is composed of a first lifting column 6 and a second lifting column 7. Among them, there are two pieces of the first lifting column 6 and two pieces of the second lifting column 7 respectively. The two pieces of the first lifting column 6 are symmetrically arranged at two corners at the front end of the rectangular fixed frame 1, and the two pieces of the second lifting column 7 are symmetrically arranged at two corners at the rear end of the rectangular fixed frame 1, and the second lifting column 7 is entirely higher than the first lifting column 6.

[0058] Specifically, in the embodiment of the present utility model, the first lifting column 6 or the second lifting column 7 includes: a vertical plate 8 arranged at the four corners of the rectangular fixed frame 1; a flat plate 9 horizontally arranged on the vertical plate 8; and a side plate 10 vertically arranged on the side wall of the flat plate 9 and connected to the vertical plate 8.

[0059] As Figure 1 shown, in the embodiment of the present utility model, the structural main body of the first lifting column 6 or the second lifting column 7 is composed of the vertical plate 8, the flat plate 9, and the side plate 10. The vertical plate 8 is vertically arranged at the four corners of the rectangular fixed frame 1, and the flat plate 9 is horizontally installed on the vertical plate 8 to enhance the rigid strength of the structure. The side plate 10 is arranged on the vertical plate 8 and the flat plate 9, and the side plate 10 is used to abut against the track pier column, so that the track transfer device can be conveniently and stably installed in the train track.

[0060] Specifically, in the embodiment of the present utility model, the lifting platform 2 is specifically a rectangular platform. The top surface of the lifting platform 2 is provided with an inclined surface structure, and the bottom surface of the lifting platform 2 is provided with a stepped groove.

[0061] As Figure 2 shown, in the embodiment of the present utility model, the lifting platform 2 is a rectangular platform, which can ensure balanced force during lifting. The inclined surface structures are respectively arranged at the front and rear ends of the top surface of the lifting platform 2, so that it is more convenient and smooth for the inspection robot to enter or leave the lifting platform 2.

[0062] Specifically, in the embodiment of the present utility model, the hinge assembly 3 includes: a triangular plate 3-1 arranged on one side of the vertical plate 8; a first rotating shaft 3-2 arranged on the triangular plate 3-1; a second rotating shaft 3-3 arranged on the front side wall of the rectangular fixed frame 1; and a hinge plate 3-4 with one end connected to the first rotating shaft 3-2 and the other end connected to the second rotating shaft 3-3.

[0063] As Figure 1 、 2As shown, in the implementation of the present utility model, the hinge assembly 3 is used to connect the lifting column and the lifting platform 2 into a whole, enabling the lifting platform 2 to move up and down in a vertical plane and ensuring the smooth overall movement of the lifting platform 2. Among them, the main structure of the hinge assembly 3 is composed of the triangular plate 3-1, the first rotating shaft 3-2, the second rotating shaft 3-3, and the hinge plate 3-4. The hinge plate 3-4 is movably connected to the lifting platform 2 and the triangular plate 3-1 by using the first rotating shaft 3-2 and the second rotating shaft 3-3. Driven by power, the lifting platform 2 can be lifted up and down by using the hinge assembly 3. As Figure 1 , Figure 2 shown, when the lifting platform 2 is lifted, the rectangular fixed frame 1, the lifting platform 2, and the hinge assembly 3 can enclose to form a parallelogram structure. The parallelogram has the characteristic of stable structure, and the parallelogram structure can be used to achieve the balanced force on the four corners of the large-area lifting platform 2 during lifting.

[0064] Specifically, in the embodiment of the present utility model, the first spring column 4-1 is connected to the hinge plate 3-4, and the second spring column 4-2 is connected to the vertical plate 8. The first spring column 4-1, the second spring column 4-2, and the tension spring 4-3 are combined to form a spring auxiliary assembly 4, and four spring auxiliary assemblies 4 are provided.

[0065] Specifically, in the embodiment of the present utility model, the lifting power assembly 5 includes: a first hinge seat 5-1 provided on the rear side wall of the rectangular fixed frame 1; a first pin shaft 5-2 provided on the first hinge seat 5-1; a second hinge seat 5-3 provided on the second lifting column 7; a second pin shaft 5-4 provided on the second hinge seat 5-3; and a servo cylinder assembly with one end connected to the first pin shaft 5-2 and the other end connected to the second pin shaft 5-4.

[0066] As Figure 1 , 4As shown in the figure, in the embodiment of the present utility model, the lifting power assembly 5 is used to provide power to drive the lifting platform 2 to move up and down; the main structure of the lifting power assembly 5 consists of the first hinge seat 5-1, the first pin shaft 5-2, the second hinge seat 5-3, the second pin shaft 5-4 and the servo electric cylinder assembly; wherein, the servo electric cylinder assembly is the power source for providing driving power, and the servo electric cylinder assembly is respectively connected to the lifting platform 2 and the second lifting column 7 through the first hinge seat 5-1 and the second hinge seat 5-3, and by using the first pin shaft 5-2 and the second pin shaft 5-4, the servo electric cylinder assembly is flexibly connected to the lifting platform 2 and the second lifting column 7, so as to solve the problem that the track transfer device is jammed due to inconsistent actions of the two side electric cylinders, on-site installation errors and unbalanced forces on the lifting platform 2.

[0067] Specifically, in the embodiment of the present utility model, the servo electric cylinder assembly includes: a servo motor 5-5 connected to the second pin shaft 5-4; an electric cylinder body 5-6 provided on the servo motor 5-5; a transmission lead screw disposed in the electric cylinder body 5-6 and connected to the servo motor 5-5; a piston rod 5-7 having one end connected to the transmission lead screw and the other end extending out of the electric cylinder body 5-6; a slider 5-8 sleeved on the piston rod 5-7 and connected to the first pin shaft 5-2; a fastener 5-9 embedded at the end of the piston rod 5-7; and a rectangular spring 5-10 sleeved on the end of the piston rod 5-7, with one end abutted against the slider 5-8 and the other end abutted against the fastener 5-9.

[0068] As Figure 4As shown in the figure, in the embodiment of the present utility model, the main structure of the servo electric cylinder assembly is composed of the servo motor 5-5, the electric cylinder body 5-6, the transmission lead screw, the piston rod 5-7, the slider 5-8, the fastener 5-9 and the rectangular spring 5-10; the servo motor 5-5 is connected to the transmission lead screw through a coupling to drive the transmission lead screw to rotate. The transmission lead screw is installed in the electric cylinder body 5-6, and the end of the transmission lead screw is connected to the piston rod 5-7. When the transmission lead screw rotates around a fixed axis, combined with the nut seat, the rotational motion is converted into a linear motion to drive the piston rod 5-7 to perform reciprocating contraction or extension motion; and, the slider 5-8 is sleeved on the piston rod 5-7, and the slider 5-8 is movably connected to the first hinge seat 5-1 through the first pin shaft 5-2. When the piston rod 5-7 extends or contracts, the lifting platform 2 can be driven to move up and down; secondly, the fastener 5-9 and the rectangular spring 5-10 are arranged at the end of the piston rod 5-7. The two ends of the rectangular spring 5-10 respectively abut against the fastener 5-9 and the slider 5-8. Combined with the way that the piston rod 5-7 is movably connected to the first hinge seat 5-1 and the second hinge seat 5-3, the rectangular spring 5-10 can buffer the telescopic motion of the piston rod 5-7 during platform lifting, avoiding problems such as the deadlock of the track transfer device caused by inconsistent actions of the two electric cylinders, on-site installation errors, and uneven force on the lifting platform 2.

[0069] Specifically, in the embodiment of the present utility model, a first through hole is provided on the front surface of the slider 5-8; the piston rod 5-7 passes through the first through hole; a second through hole is provided on the side wall of the slider 5-8; the first pin shaft 5-2 passes through the second through hole and is connected to the first hinge seat 5-1.

[0070] Specifically, in the embodiment of the present utility model, the rectangular fixed frame 1 is specifically an annular frame; the lifting columns are vertically arranged at the four corners of the annular frame and are fixedly connected to the annular frame.

[0071] More specifically, the track transfer device provided by the embodiment of the present utility model is mainly applied to the transfer operation of the inspection robot between tracks when inspecting the train tracks, solving the problems of unbalanced force, easy shaking, complex structure and high manufacturing cost of the traditional transfer device. In the track transfer device of the present utility model, its structural main body is composed of the rectangular fixed frame 1, the lifting column, the lifting platform 2, the hinge assembly 3, the spring auxiliary assembly 4 and the lifting power assembly 5; among them, the rectangular fixed frame 1 is the base of the entire track transfer device, which adopts a rectangular structure, and the four corners of the rectangular fixed frame 1 can be evenly stressed when the inspection robot is lifted; the lifting columns are arranged at the four corners of the rectangular fixed frame 1, and the lifting platform 2 is arranged in the middle of the four lifting columns; the hinge assembly 3 is installed between the lifting column and the lifting platform 2, and the hinge assembly 3 is arranged on each lifting column. One end of the hinge assembly 3 is movably connected to the lifting platform 2, and the other end is installed on one side of the lifting column. The hinge assembly 3 can be used to make the lifting platform 2 move up and down in the vertical plane, and the four hinge assemblies 3 are symmetrically arranged, respectively connecting the four corners of the lifting platform 2 to support the lifting platform 2, so that the lifting platform 2 is not easy to shake when lifting, and it can ensure the overall stable movement of the lifting platform 2. When the lifting platform is performing the lifting operation, the rectangular fixed frame 1, the lifting platform 2 and the hinge assembly 3 can enclose a parallelogram structure, and the parallelogram structure can also be used to achieve the balanced force of the four corners of the large-area lifting platform 2 during lifting; secondly, the tension spring 4-3, the first spring column 4-1 and the second spring column 4-2 are combined to form the spring auxiliary assembly 4. The tension spring 4-3 is respectively movably connected to the hinge assembly 3 and the lifting column by the first spring column 4-1 and the second spring column 4-2. When the inspection robot is lifted, the power required for the lifting of the lifting platform 2 can be greatly reduced, and there is no need to install a complex power structure, effectively reducing the manufacturing cost; in order to realize the up and down movement of the lifting platform 2, the lifting power assembly 5 is arranged between the lifting column and the lifting platform 2. The servo electric cylinder mechanism is used as the power source in the lifting power assembly 5, and the lifting power assembly 5 is flexibly connected to the lifting platform 2 through a pin connection part, which can solve the problem of jamming of the lifting power assembly 5 caused by inconsistent actions of the two electric cylinders and uneven force on the lifting platform 2; during the use of the track transfer device, when the inspection robot moves to the side of the device, the lifting platform 2 rises, and the robot moves onto the lifting platform 2, which can provide a large-area lifting platform for the robot. Subsequently, the lifting platform 2 descends, and the robot moves into the track for inspection operations. After the inspection is completed, the robot leaves the track through the lifting platform 2 and moves to the next track for operation, realizing the transfer operation between tracks.It can be seen that the technical solution provided by the present utility model has a simple structure, low manufacturing cost, balanced force when lifting and inspecting the robot, can realize large-area lifting operations, and improve the transfer efficiency of the inspection robot compared with the prior art.

[0072] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A track transfer device, characterized in that, Comprising: A rectangular fixed frame; Lifting columns arranged at the four corners of the rectangular fixed frame; A lifting platform arranged on the rectangular fixed frame; A hinge assembly with one end connected to the lifting column and the other end connected to the lifting platform; A first spring column arranged on the hinge assembly; A second spring column arranged on the lifting column; A tension spring arranged between the first spring column and the second spring column and movably connected to the first spring column and the second spring column; A lifting power assembly with one end connected to the lifting column and the other end connected to the lifting platform.

2. The track transfer device according to claim 1, wherein The lifting column includes: A first lifting column symmetrically arranged on both sides of the front end of the rectangular fixed frame; and a second lifting column symmetrically arranged on both sides of the rear end of the rectangular fixed frame.

3. The track transfer device according to claim 2, wherein The first lifting column and the second lifting column include: Vertical plates arranged at the four corners of the rectangular fixed frame; Flat plates horizontally arranged on the vertical plates; Side plates vertically arranged on the side walls of the flat plates and connected to the vertical plates.

4. The track transfer device according to claim 1, wherein The lifting platform is specifically a rectangular platform; an inclined surface structure is arranged on the top surface of the lifting platform; A stepped groove is arranged on the bottom surface of the lifting platform.

5. The track transfer device according to claim 3, characterized in that, The hinge assembly includes: A triangular plate arranged on one side of the vertical plate; A first rotating shaft arranged on the triangular plate; A second rotating shaft arranged on the front side wall of the rectangular fixed frame; A hinge plate with one end connected to the first rotating shaft and the other end connected to the second rotating shaft.

6. The track transfer device according to claim 5, wherein, The first spring column is connected to the hinge plate, and the second spring column is connected to the vertical plate; The first spring column, the second spring column and the tension spring form a spring auxiliary assembly, and four pieces of the spring auxiliary assembly are provided.

7. The track transfer device according to claim 2, characterized in that, The lifting power assembly includes: A first hinge seat arranged on the rear side wall of the rectangular fixed frame; A first pin shaft arranged on the first hinge seat; A second hinge seat arranged on the second lifting column; A second pin shaft arranged on the second hinge seat; A servo electric cylinder assembly with one end connected to the first pin shaft and the other end connected to the second pin shaft.

8. The track transfer device according to claim 7, characterized in that, The servo electric cylinder assembly includes: A servo motor connected to the second pin shaft; An electric cylinder body arranged on the servo motor; A transmission lead screw arranged in the electric cylinder body and connected to the servo motor; A piston rod with one end connected to the transmission lead screw and the other end extending out of the electric cylinder body; A slider sleeved on the piston rod and connected to the first pin shaft; A fastener embedded at the end of the piston rod; A rectangular spring sleeved on the end of the piston rod, with one end abutted against the slider and the other end abutted against the fastener; 9. The track transfer device according to claim 8, characterized in that, A first through hole is arranged on the front surface of the slider; the piston rod penetrates through the first through hole; A second through hole is arranged on the side wall of the slider; The first pin shaft penetrates through the second through hole and is connected to the first hinge seat.

10. The track transfer device according to any one of claims 1 to 9, characterized in that, The rectangular fixed frame is specifically an annular frame; the lifting columns are vertically arranged at the four corners of the annular frame and fixedly connected to the annular frame.

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