License plate recognition device

Abstract

The utility model discloses a license plate recognition device, which belongs to the technical field of road equipment and comprises a machine base, a shooting device, a display panel, a first sliding frame, a first wiping piece, a second sliding frame, a second wiping piece and a first driver. The shooting device is provided with a lens, the display panel is arranged on the machine base, the first sliding frame is arranged on the machine base in a sliding mode, the first wiping piece is installed on the first sliding frame, the display panel is located on the moving path of the first wiping piece, and the second sliding frame is arranged on the machine base in a sliding mode and located on the moving path of the first sliding frame. The second sliding frame is located above the first sliding frame, the second wiping piece is installed on the second sliding frame, a lens of the shooting device is located on a moving path of the second wiping piece, and the first driver is installed on the machine base and is in transmission connection with the first sliding frame. According to the license plate recognition device, the display panel and the shooting device can be automatically cleaned, and the experience feeling is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road equipment, in particular to a license plate recognition device. Background Art

[0002] The license plate recognition device is also called the license plate recognition integrated camera. When a vehicle passes by, the license plate recognition device automatically recognizes the vehicle's license plate number using a camera. The system will record the vehicle's license plate, entry and exit time and other information, and can accurately calculate the vehicle's toll. The license plate recognition device feeds back the relevant information and payment code to the driver through the display panel to realize automatic payment, eliminating many manual recording and charging troubles.

[0003] At present, license plate recognition devices are generally set up in the open air. Vehicles passing by raise dust, which makes the camera lens and display panel of the camera covered with dust and other attachments. The dust on the camera lens will affect the recognition of the vehicle license plate, and the dust on the display panel will affect the driver's acquisition, verification of vehicle entry and exit information and payment, which not only affects the user experience, but also reduces the road traffic efficiency. Utility Model Content

[0004] The purpose of the embodiment of the utility model is to provide a license plate recognition device that can automatically clean the camera and the display panel, so as to avoid the camera being unable to recognize the license plate and the driver being unable to obtain payment information, thereby improving the driver's experience and road traffic efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A license plate recognition device, comprising:

[0007] Machine base;

[0008] A camera having a lens; the camera is arranged on the base;

[0009] A display panel, disposed on the base;

[0010] A first slide frame, slidably mounted on the machine base;

[0011] A first wiping member is mounted on the first sliding frame; the display panel is located on a moving path of the first wiping member;

[0012] a second slide, slidably mounted on the machine base and located on a moving path of the first slide; the second slide is located above the first slide;

[0013] A second wiping member is mounted on the second sliding frame; the lens of the camera is located on the moving path of the second wiping member;

[0014] as well as

[0015] A first driver is installed on the base and is drivingly connected to the first slide.

[0016] Optionally, the license plate recognition device also includes a water tank having a water tank and installed on the base, a liquid supply pipe connected to the water tank, a first nozzle installed on the liquid supply pipe and connected to the liquid supply pipe, and a second nozzle installed on the liquid supply pipe and connected to the liquid supply pipe; the display panel is located at the water outlet of the first nozzle, and the lens is located at the water outlet of the second nozzle.

[0017] Optionally, a first guide rail is provided on the machine base, the first guide rail extends along a vertical direction, and the first slide bracket is slidably disposed on the first guide rail.

[0018] Optionally, a second guide rail is provided on the machine base, the second guide rail extends along a vertical direction, and the second slide bracket is slidably disposed on the second guide rail.

[0019] Optionally, the first wiping member and the second wiping member are both sponge blocks.

[0020] Optionally, the license plate recognition device further includes a water collecting box having a water collecting tank, and a drainage pipe connected to the water collecting box and communicating with the water collecting tank; the water collecting box is installed on the base and is located below the display panel, the first wiping member, and the second wiping member.

[0021] Optionally, the machine base is provided with a ticket outlet, a receiving box is installed on the machine base, and the ticket outlet is located below the water collecting box; the receiving box is located below the ticket outlet.

[0022] Optionally, the license plate recognition device also includes an illuminator, a speaker, and a control module; the illuminator, the speaker, and the control module are all installed on the base, and the illuminator, the speaker, the first driver, the display panel, and the camera are all electrically connected to the control module.

[0023] Optionally, the base is provided with a machine cavity, the first driver and the control module are arranged in the machine cavity, the base has a front surface and a top surface, the display panel, the speaker, and the illuminator are arranged in sequence from top to bottom on the front surface of the base, and the camera is arranged on the top surface of the base.

[0024] Optionally, the license plate recognition device also includes a base, a third guide rail arranged on the base, a slide mounted on the third guide rail, a second drive, and a third drive; the base is rotatably mounted on the slide, the second drive is transmission-connected to the slide, and the third drive is transmission-connected to the base.

[0025] The beneficial effects of the utility model are as follows: the license plate recognition device is provided with a first wiping member and a second wiping member. When dust and other attachments on the display panel and the lens of the camera need to be wiped, the first driver drives the first slide to drive the first wiping member to move, so that dust and other attachments on the display panel can be wiped. At the same time, when the first slide moves upward, the second slide can be pushed upward by the first slide, thereby driving the second wiping member to move, so that dust and other attachments on the lens of the camera can be wiped. By indirectly driving the first wiping member and the second wiping member by the first driver, automatic cleaning of the camera and the display panel can be achieved, so as to avoid the camera being unable to recognize the license plate and the driver being unable to obtain the payment information, thereby improving the driver's experience and the road traffic efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The utility model is further described in detail below based on the drawings and embodiments.

[0027] Figure 1 It is a structural schematic diagram of a license plate recognition device;

[0028] Figure 2 It is a connection diagram of the machine base, the water storage tank, the liquid supply pipe, the first nozzle, and the second nozzle;

[0029] Figure 3 for Figure 2 A structural diagram from another perspective;

[0030] Figure 4 for Figure 2 A magnified view of point A;

[0031] Figure 5 for Figure 2 Magnified view of point B.

[0032] Description of the accompanying drawings:

[0033] 11. base; 12. camera; 13. display panel; 14. first slide; 15. first wiper; 16. second slide; 17. second wiper; 18. water storage tank; 19. liquid supply pipe; 20. first nozzle; 21. second nozzle; 22. first guide rail; 23. second guide rail; 24. water collection box; 25. receiving box; 26. illuminator; 27. speaker; 28. base; 29. ​​third guide rail; 30. slide; 31. drain pipe; 32. shielding area;

[0034] 111, ticket outlet; 112, front surface; 113, top surface; 114, first side surface; 115, second side surface;

[0035] 121. lens; 122. shielding plate;

[0036] 181. Water storage tank;

[0037] 241. Sump;

[0038] 251. Receiving groove; 252. Through hole. DETAILED DESCRIPTION

[0039] In order to make the technical problems solved by the utility model, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0040] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "fixed", "connected", "communicated", "abutted", "clamped" and the like should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0042] In the description of this article, it should be understood that the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0043] In the description of this specification, the description with reference to the terms "an embodiment", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example.

[0044] In addition, it should be understood that although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0045] Unless specifically stated or defined otherwise, the term “and / or” used in the present invention includes any and all combinations of one or more of the associated listed items.

[0046] For the convenience of description, unless otherwise specified, the up and down directions mentioned below are the same as Figure 1 The up and down directions are consistent with the left and right directions mentioned below. Figure 1 The left and right directions are consistent.

[0047] like Figures 1 to 5 As shown, this embodiment provides a license plate recognition device, including a base 11, a camera 12, a display panel 13, a first slide 14, a first wiper 15, a second slide 16, a second wiper 17, and a first driver.

[0048] The camera 12 has a lens 121, and a transparent glass sheet is provided at the lens 121. The camera 12 is arranged on the base 11 and is located above the base 11. The camera 12 can photograph and identify the license plate number and feed back to the control system of the license plate recognition device. The control system can record information such as the license plate number, the elapsed time, and the length of stay. The display panel 13 is arranged on the base 11. The display panel 13 is a display. The display panel 13 can display information such as the license plate number, the length of stay, the elapsed time, the fee, and the payment code. The driver can check the information displayed on the display panel 13 and then pay the toll. After the payment, the gate adapted to the license plate recognition device can be opened for the vehicle to pass.

[0049] In daily use of the license plate recognition device, the transparent glass sheet at the lens 121 of the camera 12 and the display panel 13 may accumulate dust and other attachments, and water droplets may remain on them on rainy days, resulting in the camera 12 being unable to capture and recognize the license plate number, and the driver having difficulty in obtaining the information displayed on the display panel 13 and scanning the payment code thereon. Therefore, the license plate recognition device in this example is provided with a first wiping member 15 and a second wiping member 17, which are respectively used to clean the display panel 13 and the camera 12, and remove water droplets, dust and other attachments on the display panel 13 and the camera 12. Specifically, the first slide 14 is slidably mounted on the base 11, the first slide 14 is slidably mounted on the base 11 up and down, and the first wiping member 15 is mounted on the first slide 14. The display panel 13 is located on the moving path of the first wiping member 15, and the first wiping member 15 slides along the display panel 13 when it approaches the display panel 13. The first wiping member 15 abuts against the display panel 13 during the sliding process, so that water droplets, dust and other attachments on the display panel 13 can be wiped away. The second slide 16 is slidably mounted on the base 11 and is located on the moving path of the first slide 14. The second slide 16 is located above the first slide 14. When the first slide 14 moves upward, it can push the second slide 16 to slide upward. The second wiper 17 is mounted on the second slide 16. The lens 121 of the camera 12 is located on the moving path of the second wiper 17. The first driver is mounted on the base 11 and is transmission-connected to the first slide 14. The first driver can be a linear drive component such as a cylinder, an electric telescopic rod, a screw module, etc. The first slide 14 has a first sliding path and a second sliding path. The first sliding path and the second sliding path are opposite. The first sliding path is a vertical path from bottom to top, and the second sliding path is a vertical path from top to bottom. When the first slide 14 slides along the first sliding path, the first wiper 15 abuts against the display panel 13 and slides relative to the display panel 13. During the sliding process of the first slide 14 along the first sliding path, the first slide 14 moves upward to a certain height and then pushes the second slide 16 to make the second wiper 17 close to the lens 121. Finally, the second wiper 17 abuts against the lens 121 to wipe the lens 121. When the first wiper 15 moves above the display panel 13, the display panel 13 is wiped, and the second wiper 17 completes the wiping of the lens 121. After the wiping is completed, the first slide 14 slides along the second sliding path. When the first driver drives the first slide 14 to slide along the second sliding path, the first wiper 15 abuts against the display panel 13 and slides downward relative to the display panel 13 to wipe the display panel 13 again. The second slide 16 slides downward under the action of gravity, so that the second wiper 17 is away from the lens. Finally, the first wiper 15 moves to the bottom of the display panel 13.

[0050] In this way, in daily use, the license plate recognition device can manually or through a detector identify whether there are water droplets, dust and other attachments on the display panel 13 and the lens 121 of the camera 12 to control the start of the first driver. The first driver can also be set to start at a scheduled time to remove water droplets, dust and other attachments on the display panel 13 and the lens 121 of the camera 12, thereby avoiding the camera 12 being unable to recognize the license plate and the driver being unable to obtain payment information, thereby improving the driver's experience and road traffic efficiency.

[0051] In one embodiment, the license plate recognition device further comprises a water tank 18 having a water tank 181 and mounted on the base 11, a liquid supply pipe 19 connected to the water tank 181, a first nozzle 20 mounted on the liquid supply pipe 19 and connected to the liquid supply pipe 19, and a second nozzle 21 mounted on the liquid supply pipe 19 and connected to the liquid supply pipe 19. The water tank 18 is rotatably mounted on the box cover to achieve the sealing of the water tank 181, and the box cover is not drawn in the figure. The display panel 13 is located at the water outlet of the first nozzle 20, and the lens 121 is located at the water outlet of the second nozzle 21. The water tank 18 is located directly above the camera 12, and tap water, detergent and other cleaning liquids can be added to the water tank 181 of the water tank 18, and rainwater can also be used as the cleaning liquid. A shielding area 32 is formed between the water tank 18 and the top of the base 11, and the camera 12 is located in the shielding area 32. The water tank 18 can be used to shade the camera 12 from the sun and rain, thereby increasing the service life of the camera 12. The first wiping member 15 and the second wiping member 17 will leave dust after wiping dust for a long time, which will reduce the cleaning effect. Therefore, the cleaning liquid is sprayed on the display panel 13 and the lens 121 of the camera 12 through the first nozzle 20 and the second nozzle 21. In order to improve the spraying effect of the first nozzle 20 and the second nozzle 21. There are multiple first nozzles 20 and second nozzles 21. Multiple first nozzles 20 and 21 are arranged from left to right above the display panel 13, and the water outlet of the first nozzle 20 faces the display panel 13. A shielding plate 122 is provided on the camera 12, and the end of the second nozzle 21 passes through the shielding plate 122 so that the water outlet of the second nozzle 21 is at the lens 121, and the water outlet of the second nozzle 21 faces the lens 121. When the first wiping member 15 moves to the top of the display panel 13 and the second wiping member 17 moves to the lens 121, the first nozzle 20 and the second nozzle 21 can clean the first wiping member 15 and the second wiping member 17 respectively.

[0052] Optionally, a first guide rail 22 is provided on the base 11, and the first guide rail 22 extends in the vertical direction. The first slide 14 is slidably disposed on the first guide rail 22 to realize the up and down movement of the first slide 14. There are two first guide rails 22, and the two first guide rails 22 are respectively installed on the first side surface 114 and the second side surface 115 of the base 11.

[0053] Optionally, the base 11 is provided with a second guide rail 23, the second guide rail 23 extends in the vertical direction, and the second slide 16 is slidably disposed on the second guide rail 23. There are two second guide rails 23 and they are arranged at intervals on the front side 112 of the base 11, the orientation of the lens 121 of the camera 12 is the same as the orientation of the front side 112 of the base 11, the display panel 13 is located between the two second guide rails 23, and the second slide 16 slides up and down along the second guide rails 23.

[0054] In one embodiment, the first wiping member 15 and the second wiping member 17 are both sponge blocks. The sponge block is relatively soft and easy to clean, and can prevent the display panel 13 and the lens 121 of the camera 12 from being scratched. In addition, it can also be a cloth block or a soft silicone block. In addition, two storage boxes can be set on the base, and the lid of the storage box can be opened automatically. The first wiping member 15 and the second wiping member 17 are respectively stored in the storage box in a normal state. When it is necessary to clean the display panel and the camera, the lid is automatically opened, and the first wiping member 15 and the second wiping member 17 move upward to clean the display panel and the camera.

[0055] In the premise embodiment, the first wiping member 15, the second wiping member 17, and the first slide 14 have a dustproof plate, which wraps the front side, left side, right side, upper side, and lower side of the first wiping member 15, so that the rear side of the first wiping member 15 abuts against the machine base or the display panel to achieve sealing. Similarly, the second slide 16 has a dustproof plate, which wraps the front side, left side, right side, upper side, and lower side of the second wiping member 17, and a baffle is set on the machine base to wrap the rear side of the second wiping member 17. The second slide 16 drives the second wiping member 17 to move upward and leave the baffle, and the rear side of the second wiping member 17 is exposed and moves upward to wipe the camera. At the same time, when the first wiping member 15 and the second wiping member 17 are working, the cleaning liquid in the water tank 18 can also clean the dust on the first wiping member 15 and the second wiping member 17.

[0056] Furthermore, the license plate recognition device further includes a water collecting box 24 having a water collecting tank 241, and a drain pipe 31 connected to the water collecting box 24 and communicating with the water collecting tank 241. The water collecting box 24 is installed on the base 11 and is located below the display panel 13, the first wiper 15, and the second wiper 17. In this embodiment, the camera 12 is located above the display panel 13, and two water collecting boxes 24 can be provided, one is located below the display panel 13, and the other is located between the display panel 13 and the camera 12. The cleaning liquid sprayed by the first nozzle 20 and the second nozzle 21 cleans the display panel 13 and the lens 121 of the camera 12 and then falls into the water collecting tank 241 of the water collecting box 24, and then is discharged from the drain pipe 31. At the same time, by using the inner wall of the water collecting tank 241 to abut against the first wiper 15 and the second wiper 17, the cleaning liquid in the first wiper 15 and the second wiper 17 can be squeezed out, so that the first wiper 15 and the second wiper 17 remain dry.

[0057] In one embodiment, the machine base 11 is provided with a ticket outlet 111, and the payment voucher or invoice printed by the printer in the machine base 11 can be sent out from the ticket outlet 111, and the driver can take out the payment voucher or invoice from the ticket outlet 111. A receiving box 25 is installed on the machine base 11, and the receiving box 25 has a receiving groove 251. The ticket outlet 111 is located below the water collection box 24, and the receiving box 25 is located below the ticket outlet 111. A through hole 252 is provided at the bottom of the receiving groove 251 to prevent water and dust accumulation. When the driver does not need the payment voucher or invoice, the receiving box 25 can store the payment voucher or invoice sent out from the ticket outlet 111.

[0058] Optionally, the base 11 is also provided with a card swiping induction area, a cash payment port, a collar opening, etc. The card swiping induction area, the cash payment port, the collar opening, the ticket outlet 111, etc. are all located between the receiving box 25 and the water collecting box 24.

[0059] In one embodiment, the license plate recognition device further includes an illuminator 26, a speaker 27, and a control module. The illuminator 26 is used to increase the light intensity so that the camera 12 can also shoot and recognize the license plate at night. The speaker 27 can make voice announcements to prompt the driver to operate, and the control module is part of the control system. The illuminator 26, the speaker 27, and the control module are all installed on the base 11, and the illuminator 26, the speaker 27, the first driver, the display panel 13, and the camera 12 are all electrically connected to the control module.

[0060] In one embodiment, the base 11 is provided with a machine cavity, and the first driver and the control module are arranged in the machine cavity to protect the first driver and the control module. The base 11 has a front surface 112 and a top surface 113, and the display panel 13, the speaker 27, and the illuminator 26 are arranged on the front surface 112 of the base 11 from top to bottom, and the camera 12 is arranged on the top surface 113 of the base 11.

[0061] Furthermore, the license plate recognition device also includes a base 28, a third guide rail 29 provided on the base 28, a slide 30 installed on the third guide rail 29, a second driver, and a third driver. The second driver is installed in the base 28, and the second driver is a linear drive mechanism such as a cylinder, an electric telescopic rod, and a screw module. The third driver is installed in the base 11 or the slide 30, and the third driver is a motor. The base 11 is rotatably installed on the slide 30, the second driver is connected to the slide 30 by transmission, and the third driver is connected to the base 11 by transmission. In the prior art, when the driver's parking position is forward or backward, resulting in the camera 12 being unable to shoot, the driver needs to drive the vehicle forward and backward to adjust the position. The license plate recognition device of the present application can automatically move forward and backward to facilitate better shooting and identification of the license plate number. At the same time, when the license plate of some vehicles is not in the center position in front of the vehicle, the third driver drives the base 11 to rotate and adjust the shooting angle of the camera 12.

[0062] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the present invention.

Claims

1. A license plate recognition device, characterized in that: include: A machine base (11); A camera (12) having a lens (121); the camera (12) is arranged on the base (11); A display panel (13) is arranged on the base (11); A first slide frame (14) slidably mounted on the machine base (11); A first wiping member (15) is mounted on the first sliding frame (14); the display panel (13) is located on a moving path of the first wiping member (15); A second slide (16) is slidably mounted on the machine base (11) and is located on a moving path of the first slide (14); the second slide (16) is located above the first slide (14); A second wiping member (17) is mounted on the second sliding frame (16); the lens (121) of the camera (12) is located on the moving path of the second wiping member (17); as well as A first driver is mounted on the machine base (11) and is drivingly connected to the first slide frame (14).

2. The license plate recognition device according to claim 1, characterized in that: It also includes a water storage tank (18) having a water storage tank (181) and mounted on the machine base (11), a liquid supply pipe (19) connected to the water storage tank (181), a first nozzle (20) mounted on the liquid supply pipe (19) and connected to the liquid supply pipe (19), and a second nozzle (21) mounted on the liquid supply pipe (19) and connected to the liquid supply pipe (19); the display panel (13) is located at the water outlet of the first nozzle (20), and the lens (121) is located at the water outlet of the second nozzle (21).

3. The license plate recognition device according to claim 1, characterized in that: The machine base (11) is provided with a first guide rail (22), the first guide rail (22) extends in a vertical direction, and the first slide frame (14) is slidably arranged on the first guide rail (22).

4. The license plate recognition device according to claim 1, characterized in that: The machine base (11) is provided with a second guide rail (23), the second guide rail (23) extends in a vertical direction, and the second slide bracket (16) is slidably arranged on the second guide rail (23).

5. The license plate recognition device according to any one of claims 1 to 4, characterized in that: The first wiping piece (15) and the second wiping piece (17) are both sponge blocks.

6. The license plate recognition device according to any one of claims 1 to 4, characterized in that: It also comprises a water collecting box (24) having a water collecting tank (241), and a drainage pipe (31) connected to the water collecting box (24) and in communication with the water collecting tank (241); the water collecting box (24) is installed on the machine base (11) and is located below the display panel (13), the first wiping member (15), and the second wiping member (17).

7. The license plate recognition device according to claim 6, characterized in that: The machine base (11) is provided with a ticket outlet (111), a receiving box (25) is installed on the machine base (11), the ticket outlet (111) is located below the water collecting box (24); the receiving box (25) is located below the ticket outlet (111).

8. The license plate recognition device according to any one of claims 1 to 4, characterized in that: It also includes an illuminator (26), a speaker (27), and a control module; the illuminator (26), the speaker (27), and the control module are all installed on the base (11); the illuminator (26), the speaker (27), the first driver, the display panel (13), and the camera (12) are all electrically connected to the control module.

9. The license plate recognition device according to claim 8, characterized in that: The base (11) is provided with a machine cavity, the first driver and the control module are arranged in the machine cavity, the base (11) has a front surface (112) and a top surface (113), the display panel (13), the speaker (27), and the illuminator (26) are arranged in sequence from top to bottom on the front surface (112) of the base (11), and the camera (12) is arranged on the top surface (113) of the base (11).

10. The license plate recognition device according to any one of claims 1 to 4, characterized in that: The machine base (11) further comprises a base (28), a third guide rail (29) arranged on the base (28), a slide seat (30) installed on the third guide rail (29), a second drive, and a third drive; the machine base (11) is rotatably installed on the slide seat (30), the second drive is transmission-connected to the slide seat (30), and the third drive is transmission-connected to the machine base (11).

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