Repulsion type pantograph rising contact device and control method thereof

Abstract

The invention provides a repulsion type pantograph rising contact device and a control method thereof. The repulsive pantograph rising contact device comprises a repulsive pantograph which comprises a rolling type contact rod which is used as a main body and is in contact with a contact net, and the rolling type contact rod is made of an insulating material; the main pantograph comprises a carbon slide plate which is used as a main body and is in contact with the contact network, and the main pantograph is in contact with the contact network after the pantograph lifting stage and the repulsive pantograph; the repulsive bow connecting rod is used for connecting the repulsive bow with the main pantograph and can rotate between a parallel state and a non-parallel state relative to the main pantograph by taking one end, close to the main pantograph, of the repulsive bow connecting rod as a rotating end; one end of the repulsive bow supporting rod is arranged on the repulsive bow connecting rod in a sliding mode, and the repulsive bow supporting rod can slide along the repulsive bow connecting rod to drive the repulsive bow connecting rod to rotate; the repulsive bow pneumatic device is connected to the other end of the repulsive bow supporting rod, and the repulsive bow is controlled to ascend and descend by lifting or pulling down the repulsive bow supporting rod.

Description

Technical Field

[0001] The present invention relates to an electrified vehicle, and more particularly to a scout-type pantograph raising contact device and a control method thereof. Background Art

[0002] Both electrified roads and electrified railways use overhead power as their main power source, and vehicles rely on on-board pantographs to obtain power from the overhead power network. The pantograph, as a vehicle current collection device, is installed on the top of the vehicle and draws power by sliding contact with the overhead power network along the direction of vehicle travel. However, road bumps can affect the normal contact between the pantograph and the overhead power network, thereby interfering with the stable operation of the vehicle. In particular, how to raise the pantograph on bumpy roads so that the pantograph and the overhead power network can be effectively coupled is a complex and long-term issue.

[0003] During the process of raising the traditional pantograph from a non-contact state to a state of contact with the contact network, the pantograph-catenary contact force has a strict range. If the pantograph-catenary contact force is too large during the pantograph raising stage, the pantograph will be over-raised, which will increase the fatigue of the pantograph-catenary, and even cause abnormal collision or impact between the pantograph and the contact network, thus damaging the pantograph and the contact network equipment, affecting the safety of vehicle operation, and reducing the power supply quality; if the pantograph-catenary contact force is too small during the pantograph raising stage, the pantograph-catenary separation or poor contact will occur, so that the current will form an arc in the air gap, generating high temperature burning and thus destroying the surface materials of the pantograph and the contact network, reducing the life of the components and affecting the current collection quality. Summary of the invention

[0004] The present invention is proposed in view of the above problems, and its purpose is to provide a scout-type pantograph raising contact device and a control method thereof to solve the problem of difficulty in raising the pantograph during driving on electrified roads and electrified railways.

[0005] According to one aspect of the present invention, there is provided a scout-type pantograph raising contact device, which comprises: a scout bow, which comprises a rolling contact rod as a main body in contact with the contact network, and the rolling contact rod is made of insulating material; a main pantograph, which comprises a carbon slide plate as a main body in contact with the contact network, and the main pantograph is located at the rear end of the scout bow in the direction of contact with the contact network, and contacts the contact network after the scout bow after the bow raising stage; a scout bow connecting rod, which connects the scout bow with the main pantograph, and can rotate between a parallel state and a non-parallel state relative to the main pantograph with one end close to the main pantograph as a rotating end; a scout bow support rod, one end of which is slidably arranged on the scout bow connecting rod, and can slide along the scout bow connecting rod to drive the scout bow connecting rod to rotate; and a scout bow pneumatic device, which is connected to the other end of the scout bow support rod, and controls the lifting and lowering of the scout bow by lifting or pulling down the scout bow support rod.

[0006] In some exemplary embodiments, the main pantograph is a double-arm pantograph structure, including two carbon slide plates, and the scout pantograph raising contact device also includes: a main pantograph connecting rod, which connects the double-arm pantographs of the main pantograph to each other; a main pantograph support rod, one end of which is slidably disposed on the main pantograph connecting rod, and can slide along the main pantograph connecting rod to drive the main pantograph connecting rod to rise and fall; and a main pantograph pneumatic device, which is connected to the other end of the scout pantograph support rod, and controls the rise and fall of the main pantograph by lifting or pulling down the main pantograph support rod.

[0007] In some exemplary embodiments, the scout bow connecting rod includes: an electromagnetic suction device, which is arranged at one end of the scout bow close to the scout bow in the extension direction of the scout bow connecting rod, and is used to magnetically attract and release the scout bow support rod; a rotating shaft, which is arranged at the other end of the scout bow connecting rod, so that the scout bow connecting rod can rotate between a parallel state and a non-parallel state relative to the main pantograph; a limit plate, which is arranged at the other end of the scout bow connecting rod adjacent to the rotating shaft, and limits the scout bow connecting rod when the scout bow connecting rod rotates to a parallel state relative to the main pantograph; and a slide rail, which is arranged between the electromagnetic suction device, the rotating shaft and the limit plate along the extension direction of the scout bow connecting rod.

[0008] In some exemplary embodiments, a roller is provided at one end of the scout bow support rod, and the roller is provided on the slide rail and can roll back and forth along the slide rail.

[0009] In some exemplary embodiments, when the scout bow is raised, the scout bow pneumatic device controls the scout bow support rod to lift, whereby the roller of the scout bow support rod in the slide rail of the scout bow connecting rod slides along the slide rail to the end of the electromagnetic suction device and is adsorbed by the electromagnetic suction device, at which time the scout bow connecting rod is driven to rotate to the limit plate through the rotating shaft and is limited by the limit plate, whereby the scout bow connecting rod is rotated from a non-parallel state to a parallel state relative to the main pantograph, from then on the scout bow and the main pantograph are parallel to each other, when the main pantograph completes the raising of the bow, the electromagnetic suction device releases the magnetic attraction, and the scout bow pneumatic device pulls down the scout bow support rod, whereby the roller of the scout bow support rod slides along the slide rail toward the end of the rotating shaft, thereby driving the scout bow connecting rod to rotate from a parallel state to a non-parallel state relative to the main pantograph, completing the lowering of the scout bow.

[0010] In some exemplary embodiments, the main pantograph connecting rod includes: an electromagnetic suction device, which is arranged at one end of the main pantograph connecting rod close to the scout bow in the extension direction of the main pantograph connecting rod, and is used to magnetically attract and release the main pantograph support rod; and a slide rail, which is arranged between the electromagnetic suction device and the other end of the main pantograph connecting rod along the extension direction of the main pantograph connecting rod.

[0011] In some exemplary embodiments, a roller is disposed at one end of the main pantograph support rod. The roller is disposed on the slide rail and can roll back and forth along the slide rail.

[0012] In some exemplary embodiments, when the main pantograph is raised, the main pantograph pneumatic device controls the main pantograph support rod to lift, whereby the roller of the main pantograph support rod in the slide rail of the main pantograph connecting rod slides along the slide rail to the end of the electromagnetic suction device and is adsorbed by the electromagnetic suction device. At this time, the main pantograph and the scout bow are on the same horizontal line, completing the raising of the main pantograph. When the main pantograph is lowered, the electromagnetic suction device releases the magnetic attraction, and the main pantograph pneumatic device pulls down the main pantograph support rod, whereby the roller of the main pantograph support rod slides along the slide rail to the opposite end of the electromagnetic suction device, completing the lowering of the main pantograph.

[0013] In some exemplary embodiments, a set of the scout bow connecting rod, the scout bow supporting rod and the scout bow pneumatic device is provided at each end of the scout bow.

[0014] In some exemplary embodiments, a set of the main pantograph connecting rod, the main pantograph supporting rod and the main pantograph pneumatic device are respectively provided at both ends of the main pantograph.

[0015] According to another aspect of the present invention, a control method for a scout pantograph raising contact device is provided, which is used to control the above-mentioned scout pantograph raising contact device, comprising: lifting the scout bow support rod by the scout bow pneumatic device to raise the scout bow; raising the main pantograph after the scout bow has completed raising the bow; and after the main pantograph has completed raising the bow, pulling down the scout bow support rod by the scout bow pneumatic device to lower the scout bow.

[0016] In some exemplary embodiments, in the step of raising the scout bow, the scout bow support rod is lifted and magnetically attracted, driving the scout bow connecting rod to rotate from a non-parallel state to a parallel state relative to the main pantograph, and in the step of lowering the scout bow, the scout bow support rod is released from the magnetic attraction, driving the scout bow connecting rod to rotate from a parallel state to a non-parallel state relative to the main pantograph.

[0017] According to the present invention, the scout bow replaces the main pantograph to contact the contact network first, and adopts rolling contact, which can avoid the disadvantages of the carbon sliding plate of the main pantograph directly connecting to the grid, avoid various adverse conditions that may be caused when the main pantograph directly slides to connect to the grid, and improve the success rate of raising the bow during vehicle driving.

[0018] In addition, the rolling contact rod of the scout bow only serves as an auxiliary bow lifting device, not as a current receiving device, and there is no problem of long-term contact operation. It can simplify the contact rod structure, greatly shorten the contact time, and improve the reliability of the structural operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 2 is a schematic structural diagram showing a pantograph raising contact device of a scout type pantograph according to an embodiment of the present invention.

[0020] Figure 2 Detailed description is a flowchart showing a method for controlling a pantograph pantograph contact device according to an embodiment of the present invention.

[0021] Figure 3 1 is a schematic diagram illustrating a control method of a pantograph raising contact device of a scout type pantograph according to an embodiment of the present invention.

[0022] Figure 4 2 is a schematic diagram showing a control method of a pantograph raising contact device of a reconnaissance type pantograph according to an embodiment of the present invention.

[0023] Figure 5 2 is a schematic diagram showing a control method of a pantograph raising contact device of a reconnaissance type pantograph according to an embodiment of the present invention. DETAILED DESCRIPTION

[0024] Hereinafter, the pantograph raising contact device and the control method thereof of the present invention will be described in detail with reference to the accompanying drawings.

[0025] Figure 1 2 is a schematic structural diagram showing a pantograph raising contact device of a scout type pantograph according to an embodiment of the present invention.

[0026] The scout pantograph contact device 100 of this embodiment is a vehicle current collection device for an electrified vehicle to obtain electric energy from the contact network 200. It is installed on the top of the vehicle and contacts the contact network 200 along the vehicle running direction to obtain electricity. In particular, the scout pantograph contact device 100 of this embodiment contacts the contact network 200 first by using a scout bow instead of the main pantograph. After the scout bow completes the contact, the bow-net coupling of the carbon slide plate of the main pantograph is performed to obtain electric energy. In this way, the conditions for raising the pantograph can be judged in advance through the scout bow, the success probability of raising the pantograph during vehicle driving can be increased, and stable current collection can be achieved through the main pantograph.

[0027] Specifically, if Figure 1 As shown, the main components of the scout-type pantograph raising contact device 100 of this embodiment include: a scout pantograph 1, a main pantograph 2, a scout pantograph connecting rod 3, a scout pantograph supporting rod 4, a main pantograph connecting rod 5, a main pantograph supporting rod 6, a scout pantograph pneumatic device 7, and a main pantograph pneumatic device 8. These components follow the action sequence of scout pantograph raising, main pantograph raising, scout pantograph lowering, and main pantograph lowering to complete the pantograph raising process.

[0028] The scout bow 1 includes a main body 11 in contact with the contact network 200, and a bow angle 12. The main body 11 is a rolling contact rod, and its two ends are respectively connected to the bow angle 12. In other words, the scout bow 1 of this embodiment is not a carbon slide plate plus a bow angle structure like the pantograph in the traditional technology, but a rolling contact structure that realizes rolling contact between the bow and the contact network when in contact with the contact network 200, which can change the sliding friction when the bow and the contact network are in contact with each other into rolling friction, thereby reducing the friction loss between the bow and the contact network. In this embodiment, the rolling contact rod of the main body 11 is realized by a rolling cylinder.

[0029] Furthermore, the scout pantograph 1 is located at the front end of the main pantograph 2 in the direction of contacting the overhead contact network 200, and contacts the overhead contact network 200 before the main pantograph 2 in the pantograph raising stage. Furthermore, after the main pantograph 2 completes the pantograph raising, the scout pantograph 1 is lowered.

[0030] Moreover, the scout bow 1 is made of insulating plastic and other materials to achieve electrical insulation between the scout bow 1 and the contact network 200.

[0031] That is to say, the role of the scout bow 1 of this embodiment is to realize the bow lifting and guiding function, but it does not play the role of receiving current to obtain electric energy from the contact network 200.

[0032] The main pantograph 2 is a double-arm pantograph structure, including two carbon slide plates 21 as the main body in contact with the contact network 200 and bow angles 22 respectively connected to the two ends of the carbon slide plates 21. The main pantograph 2 of this embodiment plays a current collecting role. When in contact with the contact network 200, the carbon slide plates 21 realize the sliding contact between the pantograph and the network, and transfer current from the contact network 200 to draw electricity.

[0033] Furthermore, the main pantograph 2 is located at the rear end of the scout bow 1 in the direction of contact with the contact network 200 , and contacts the contact network 200 after the scout bow 1 after the bow raising stage.

[0034] The scout bow connecting rod 3 connects the scout bow 1 to the main pantograph 2 and can rotate between a parallel state and a non-parallel state relative to the main pantograph 2 with one end close to the main pantograph 2 as a rotation end.

[0035] like Figure 1As described, an electromagnetic suction device 31 is provided at one end of the scout bow connecting rod 3 in the extension direction close to the scout bow 1, which is used to magnetically attract and release the scout bow support rod 4. A rotating shaft 32 is provided at the other end of the scout bow connecting rod 3, and the scout bow connecting rod 3 is connected to the main pantograph 2 through the rotating shaft 32, and can rotate between a non-parallel state and a parallel state relative to the main pantograph 2. A limiting plate 33 is provided at the other end of the scout bow connecting rod 3 near the rotating shaft 32, and the scout bow connecting rod 3 is limited when the scout bow connecting rod is rotated to a parallel state relative to the main pantograph 2 through the rotating shaft 32. A slide rail 34 is provided between the electromagnetic suction device 31 of the scout bow connecting rod 3 and the rotating shaft 32 and the limiting plate 33 along the extension direction of the scout bow connecting rod 3.

[0036] The scout bow support rod 4 is arranged corresponding to the scout bow connecting rod 3. One end of the scout bow support rod 4 is slidably arranged on the corresponding scout bow connecting rod 3, and can slide along the scout bow connecting rod 3 to drive the scout bow connecting rod 3 to rotate. Specifically, a roller is arranged at one end of the scout bow support rod 4, and the roller is arranged on the slide rail 34 and can roll back and forth along the slide rail 34. The other end of the scout bow support rod 4 is connected to the scout bow pneumatic device 7.

[0037] The scout bow pneumatic device 7 is arranged corresponding to the scout bow support rod 4, and serves as a device for controlling the lifting and lowering of the scout bow 1. The lifting and lowering of the scout bow 1 is controlled by lifting or pulling down the scout bow support rod 4 connected thereto.

[0038] Specifically, when the scout bow 1 is raised, the scout bow pneumatic device 7 controls the scout bow support rod 4 to be lifted, so that the roller of the scout bow support rod 4 in the slide rail 34 of the scout bow connecting rod 3 slides along the slide rail 34 to the end of the electromagnetic suction device 31 and is adsorbed by the electromagnetic suction device 31, at which time the scout bow connecting rod 3 is driven to rotate to the limit plate 33 through the rotating shaft 32 and is limited by the limit plate 33, so that the scout bow connecting rod 3 is rotated from a non-parallel state to a parallel state relative to the main pantograph 2. In this state, the main pantograph support rod 6 is located at the low end of the stroke of the main pantograph connecting rod 5, and the scout bow 1 is now running parallel to the main pantograph 2; after the main pantograph 2 completes the raising of the bow, the electromagnetic suction device 31 releases the magnetic suction, and the scout bow pneumatic device 7 pulls down the scout bow support rod 4, whereby the roller of the scout bow support rod 4 slides along the slide rail 34 toward the end of the rotating shaft 32, so that the scout bow connecting rod 3 rotates from the parallel state to the non-parallel state relative to the main pantograph 2, completing the lowering of the scout bow 1.

[0039] It should be noted that, in the present embodiment, a set of scout bow connecting rod 3, scout bow supporting rod 4, and scout bow pneumatic device 7 are respectively provided at both ends of the scout bow 1.

[0040] The main pantograph connecting rod 5 connects the two pantographs of the main pantograph 2. In addition, an electromagnetic suction device 51 is provided at one end of the main pantograph connecting rod 5 in the extension direction close to the scout pantograph 1, which is used to magnetically attract and release the main pantograph support rod 6. A slide rail 52 is provided between the electromagnetic suction device 51 and the other end of the main pantograph connecting rod 5 along the extension direction of the rod.

[0041] The main pantograph support rod 6 is arranged corresponding to the main pantograph connecting rod 5. One end of the main pantograph support rod 6 is slidably arranged on the corresponding main pantograph connecting rod 5, and can slide along the main pantograph connecting rod 5 to drive the main pantograph connecting rod 5 to rise and fall. Specifically, a roller is arranged at one end of the main pantograph support rod 6, and the roller is arranged on the slide rail 52 and can roll back and forth along the slide rail 52. The other end of the main pantograph support rod 6 is connected to the main pantograph pneumatic device 8.

[0042] The main pantograph pneumatic device 8 is arranged corresponding to the main pantograph support rod 6, and serves as a device for controlling the raising and lowering of the main pantograph 2. The raising and lowering of the main pantograph 2 is controlled by lifting or pulling down the main pantograph support rod 6 connected thereto.

[0043] Specifically, when the main pantograph 2 is raised, the main pantograph pneumatic device 8 controls the main pantograph support rod 6 to lift, thereby the roller of the main pantograph support rod 6 in the slide rail 52 of the main pantograph connecting rod 5 slides along the slide rail 52 to the end of the electromagnetic suction device 51 and is adsorbed by the electromagnetic suction device 51. At this time, the main pantograph 2 and the scout bow 1 are on the same horizontal line, and the main pantograph 2 is raised; when the main pantograph 2 is lowered, the electromagnetic suction device 51 releases the magnetic attraction, and the main pantograph pneumatic device 8 pulls down the main pantograph support rod 6, thereby the roller of the main pantograph support rod 6 slides along the slide rail 52 to the opposite end of the electromagnetic suction device 51, and the main pantograph 2 is lowered.

[0044] It should be noted that, in the present embodiment, a set of main pantograph connecting rods 5 , main pantograph supporting rods 6 , and main pantograph pneumatic devices 8 are respectively provided at both ends of the main pantograph 2 .

[0045] The control method of the above-mentioned scout pantograph pantograph raising contact device 100 will be described in detail below with reference to the accompanying drawings.

[0046] Figure 2 is a flow chart showing a control method of a pantograph raising contact device according to an embodiment of the present invention, Figure 3-5 2 is a schematic diagram showing a control method of a pantograph raising contact device of a reconnaissance type pantograph according to an embodiment of the present invention.

[0047] like Figure 2 As shown, the control method of the pantograph raising contact device 100 of the present embodiment includes the following steps.

[0048] In step 201, the scout bow pneumatic device 7 controls the scout bow 1 to raise the bow.

[0049] Specifically, Figure 3 As shown, when the scout bow 1 is raised, the scout bow pneumatic device 7 lifts the scout bow support rod 4, thereby the roller end of the scout bow support rod 4 slides from the end of the rotating shaft 32 along the slide rail 34 to the end of the electromagnetic suction device 31 and adsorbs it, and at this time drives the scout bow connecting rod 3 to rotate to the limit plate 33 and is limited, so that the scout bow connecting rod 3 is rotated from a non-parallel state to a parallel state relative to the main pantograph 2, and the main pantograph support rod 6 is located at the low end of the travel of the slide rail 52 of the main pantograph connecting rod 5, and from then on, the scout bow 1 is opened and moves parallel to the main pantograph 2. After the scout bow 1 is connected to the network, the scout bow 1 is raised.

[0050] In step 202, it is determined whether the scout bow 1 is connected to the grid. If the scout bow 1 is connected to the grid, it is considered that the scout bow 1 is completed, and it is considered to proceed to step 203 and enter the main pantograph 2 bow raising; otherwise, it continues to wait for the scout bow 1 to complete the bow raising.

[0051] In step 203 , the main pantograph pneumatic device 8 controls the main pantograph 2 to be raised.

[0052] Specifically, Figure 4 As shown, when the main pantograph 2 is raised, the scout bow 1 and the main pantograph 2 stop moving together, and the main pantograph pneumatic device 8 lifts the main pantograph support rod 6, whereby the roller end of the main pantograph support rod 6 slides from the low end of the travel of the slide rail 52 of the main pantograph connecting rod 5 along the slide rail 52 to the end of the electromagnetic suction device 51 and is adsorbed thereto. At this time, the main pantograph 2 and the scout bow 1 are on the same horizontal line, and the main pantograph 2 is raised after being connected to the grid.

[0053] In step 204, it is determined whether the main pantograph 2 has completed the pantograph raising. If the main pantograph 2 has completed the pantograph raising, the process proceeds to step 205 to enter the process of lowering the scout pantograph 1; otherwise, the process continues to wait for the main pantograph 2 to complete the pantograph raising.

[0054] In step 205, the scout bow pneumatic device 7 controls the scout bow 1 to lower.

[0055] Specifically, Figure 5 As shown, when the scout bow 1 is lowered, the magnetic attraction of the scout bow support rod 4 is released, and the scout bow pneumatic device 7 pulls down the scout bow support rod 4, whereby the roller of the scout bow support rod 4 slides along the slide rail 34 to the rotating end, thereby driving the scout bow connecting rod 3 to rotate from a parallel state to a non-parallel state relative to the main pantograph 2, thereby completing the lowering of the scout bow 1.

[0056] In step 206, it is determined whether the power supply is terminated and the main pantograph 2 is lowered. If the main pantograph 2 needs to be lowered, the process proceeds to step 207, otherwise, the process continues to wait.

[0057] In step 207 , the main pantograph pneumatic device 8 controls the main pantograph 2 to be lowered.

[0058] Specifically, when the main pantograph 2 is lowered, the magnetic attraction of the main pantograph 2 is released, and the main pantograph pneumatic device 8 pulls down the main pantograph support rod 6, whereby the roller of the main pantograph support rod 6 slides along the slide rail 52 toward the opposite end of the electromagnetic attraction device 51, completing the lowering of the main pantograph 2.

[0059] The above describes in detail the pantograph pantograph raising contact device and control method thereof according to the embodiment of the present invention.

[0060] According to the above description, it can be understood that the basic principle of the scout pantograph contact device 100 and its control method of this embodiment is: since the scout bow 1 and the main pantograph 2 are at the same horizontal height, there is always a unique corresponding angle relationship between the scout bow support rod 4 and the main pantograph support rod 6. Therefore, according to the angle of the scout bow support rod 4 when the scout bow 1 is connected to the grid, the main pantograph support rod 6 can be accurately controlled to reach the corresponding angle, so that the main pantograph 2 can be smoothly connected to the grid.

[0061] Therefore, according to the scout pantograph contact device and control method of the embodiment of the present invention, the scout pantograph 1 replaces the main pantograph 2 to contact the contact network 200 first, and adopts rolling contact, which can avoid the disadvantages of the carbon sliding plate of the main pantograph 2 directly connected to the grid and avoid various adverse conditions that may occur when the main pantograph 2 directly slides to connect to the grid.

[0062] Moreover, after the scout pantograph 1 completes the contact, the carbon slide plate of the main pantograph 2 is coupled to the catenary. Through the scout pantograph 1, the pantograph raising condition can be judged in advance, and the main pantograph 2 can be assisted to complete the pantograph raising, thereby increasing the success probability of the pantograph raising during the vehicle driving process and realizing the stable current collection of the main pantograph 2.

[0063] In addition, the rolling contact rod of the scout bow 1 only serves as an auxiliary bow lifting device, not as a current receiving device, and there is no problem of long-term contact operation. It can simplify the contact rod structure, greatly shorten the contact time, and improve the reliability of the structure operation.

[0064] It should be noted that, although in the above-mentioned embodiment, the rolling contact rod of the main body of the scout bow 1 is realized by a rolling cylinder, the rolling contact rod can be realized in any form as long as the rolling contact between the scout bow 1 and the contact network 200 can be achieved. For example, a solid rolling rod can be directly used as the main body of the scout bow 1.

[0065] In addition, in the above-mentioned embodiment, the scout bow 1 is made of insulating plastic material, but as long as the scout bow 1 can be insulated and in rolling contact with the contact network 200 at the same time, it can also be made of other insulating materials.

[0066] In addition, in the above-mentioned embodiment, both the scout bow 1 and the main pantograph 2 adopt a structure of a main body plus a bow angle. However, as long as the scout bow 1 adopts a rolling contact rod and a contact network 200 to assist the main pantograph 2 in raising the bow, the bow body structure of the scout bow and the main pantograph of the present invention can be variously deformed.

[0067] In addition, in the above embodiment, the main pantograph 2 adopts a double-arm pantograph structure, but the present invention can also be applied to the case of a main pantograph of other structures such as a single-arm pantograph. In the case of a main pantograph of other structures, the above embodiment can be modified accordingly. For example, in the case of a single-arm pantograph, the main pantograph connecting rod 5, the main pantograph supporting rod 6 and the main pantograph pneumatic device in the above embodiment can be omitted.

[0068] In addition, in the above-mentioned embodiment, a set of scout bow connecting rod 3, scout bow support rod 4, scout bow pneumatic device 7 and main pantograph connecting rod 5, main pantograph support rod 6, and main pantograph pneumatic device 8 are respectively arranged at both ends of the scout bow 1 and the main pantograph 2. However, in the case where only one set of scout bow connecting rod 3, scout bow support rod 4, scout bow pneumatic device 7 and main pantograph connecting rod 5, main pantograph support rod 6, and main pantograph pneumatic device 8 is arranged, the present invention is also applicable.

[0069] In this article, the terms "comprises", "comprising" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device that includes the element.

[0070] In the embodiments provided in this application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are only illustrative.

[0071] The above is only an embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A scout-type pantograph raising contact device, characterized in that: include: A scout bow, comprising a rolling contact rod as a main body in contact with the contact network, wherein the rolling contact rod is made of insulating material; A main pantograph, comprising a carbon slide plate as a main body in contact with the contact network, and the main pantograph is located at the rear end of the scout bow in the direction of contact with the contact network, and contacts the contact network with the scout bow after the pantograph raising stage; A scout bow connecting rod, which connects the scout bow to the main pantograph and can rotate relative to the main pantograph between a parallel state and a non-parallel state with one end close to the main pantograph as a rotating end; A scout bow support rod, one end of which is slidably disposed on the scout bow connecting rod and can slide along the scout bow connecting rod to drive the scout bow connecting rod to rotate; and The scout bow pneumatic device is connected to the other end of the scout bow support rod and controls the lifting and lowering of the scout bow by lifting or pulling down the scout bow support rod.

2. The pantograph raising contact device according to claim 1, characterized in that: The main pantograph is a double-arm pantograph structure, including two carbon slide plates. The scout-type pantograph raising contact device also includes: A main pantograph connecting rod, which connects the two pantograph arms of the main pantograph to each other; A main pantograph support rod, one end of which is slidably disposed on the main pantograph connecting rod and can slide along the main pantograph connecting rod to drive the main pantograph connecting rod to rise and fall; and The main pantograph pneumatic device is connected to the other end of the scout bow support rod, and controls the raising and lowering of the main pantograph by lifting or pulling down the main pantograph support rod.

3. The pantograph raising contact device according to claim 1, characterized in that: The scout bow connecting rod comprises: An electromagnetic suction device, which is arranged at one end of the scout bow in the extending direction of the scout bow connecting rod and close to the scout bow, and is used to magnetically attract and release the scout bow supporting rod; A rotating shaft, which is arranged at the other end of the scout bow connecting rod, so that the scout bow connecting rod can rotate between a parallel state and a non-parallel state relative to the main pantograph; a limiting plate, which is disposed adjacent to the rotating shaft at the other end of the scout bow connecting rod and limits the scout bow connecting rod when the scout bow connecting rod rotates to a parallel state relative to the main pantograph; and A slide rail is arranged between the electromagnetic suction device, the rotating shaft and the limiting plate along the extending direction of the scout bow connecting rod.

4. The pantograph raising contact device according to claim 3, characterized in that: A roller is provided at one end of the scout bow support rod. The roller is provided on the slide rail and can roll back and forth along the slide rail.

5. The pantograph raising contact device according to claim 4, characterized in that: When the scout bow is raised, the pneumatic device of the scout bow controls the lifting of the scout bow support rod, whereby the roller of the scout bow support rod in the slide rail of the scout bow connecting rod slides along the slide rail to the end of the electromagnetic suction device and is adsorbed by the electromagnetic suction device, at which time the scout bow connecting rod is driven to rotate to the limit plate through the rotating shaft and is limited by the limit plate, so that the scout bow connecting rod rotates from a non-parallel state to a parallel state relative to the main pantograph, and from then on the scout bow moves in parallel with the main pantograph. When the main pantograph completes raising the bow, the electromagnetic suction device releases the magnetic suction, and the scout bow pneumatic device pulls down the scout bow support rod, whereby the roller of the scout bow support rod slides along the slide rail toward the rotating shaft end, thereby driving the scout bow connecting rod to rotate from a parallel state to a non-parallel state relative to the main pantograph, completing the lowering of the scout bow.

6. The pantograph raising contact device of the scout type according to claim 2, characterized in that: The main pantograph connecting rod comprises: An electromagnetic suction device, which is arranged at one end of the main pantograph connecting rod in the extending direction close to the scout bow, and is used to magnetically attract and release the main pantograph supporting rod; and A slide rail is arranged between the electromagnetic suction device and the other end of the main pantograph connecting rod along the extension direction of the main pantograph connecting rod.

7. The pantograph raising contact device according to claim 6, characterized in that: A roller is arranged at one end of the main pantograph support rod. The roller is arranged on the slide rail and can roll back and forth along the slide rail.

8. The pantograph raising contact device of the scout type according to claim 7, characterized in that: When the main pantograph is raised, the main pantograph pneumatic device controls the main pantograph support rod to lift, so that the roller of the main pantograph support rod in the slide rail of the main pantograph connecting rod slides along the slide rail to the end of the electromagnetic suction device and is adsorbed by the electromagnetic suction device. At this time, the main pantograph and the scout pantograph are on the same horizontal line, and the main pantograph is raised. When the main pantograph is lowered, the electromagnetic suction device releases the magnetic suction, and the main pantograph pneumatic device pulls down the main pantograph support rod, whereby the roller of the main pantograph support rod slides along the slide rail toward the opposite end of the electromagnetic suction device, completing the lowering of the main pantograph.

9. The pantograph raising contact device of the scout type according to claim 1, characterized in that: A set of the scout bow connecting rod, the scout bow supporting rod and the scout bow pneumatic device are respectively arranged at the two ends of the scout bow.

10. The pantograph raising contact device of the scout type according to claim 7, characterized in that: A set of main pantograph connecting rods, main pantograph supporting rods and main pantograph pneumatic devices are respectively arranged at both ends of the main pantograph.

11. A control method for a pantograph contact device of a scout type, characterized in that: Used to control the pantograph raising contact device of any one of claims 1 to 8, comprising: The scout bow support rod is lifted by the scout bow pneumatic device to raise the scout bow; After the scout bow is raised, the main pantograph is raised; and After the main pantograph is raised, the scout bow support rod is pulled down by the scout bow pneumatic device to lower the scout bow.

12. The control method of the pantograph raising contact device of the scout type according to claim 11, characterized in that: In the step of raising the scout bow, the scout bow support rod is lifted and magnetically attracted, driving the scout bow connecting rod to rotate from a non-parallel state to a parallel state relative to the main pantograph. In the step of lowering the scout bow, the scout bow support rod is released from magnetic attraction, driving the scout bow connecting rod to rotate from a parallel state to a non-parallel state relative to the main pantograph.

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