Magnetizing tester

By designing a magnetic charging tester, and using an automated and collaborative magnetic charging tester, the problem of manual dust removal and inconvenience in the assembly of the motor rotor is solved, and efficient automatic processing of the rotor is achieved.

CN222913849UActive Publication Date: 2025-05-27SHENZHEN HONEST MECHATRONIC EQUIP CO LTD
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Patent Information

Application Number
CN202421667385.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-05-27
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

During the assembly of the motor rotor, manual dust removal and magnetic charging are not only inconvenient, but also reduce production efficiency.

Method used

A magnetic charging test machine is designed, including a workbench, speed double-speed chain, clamping mechanism, dust removal mechanism, magnetic charging mechanism and defect collection mechanism. Through the automation and coordination of these components, the automatic transportation, clamping, dust removal, magnetic charging, testing and defect collection of rotors are realized.

Benefits of technology

The automatic processing of the rotor is realized, the production efficiency is improved, the inconvenience of manual operation is reduced, and the efficiency and accuracy of the assembly process is ensured.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222913849U_ABST
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Abstract

The utility model discloses a magnetizing test machine, comprising a workbench; the speed multiplication chain is arranged on the working table, and the speed multiplication chain can move in the length direction of the working table so as to be suitable for conveying workpieces; the clamping mechanism is arranged in the middle of the working table, and the clamping mechanism can move on the working table in a multi-axis mode so as to be suitable for clamping a workpiece and driving the workpiece to move on the working table; the dust removal mechanism is arranged on the workbench and can ascend or descend in the vertical direction so as to be suitable for blowing and removing dust from multiple workpieces; the multiple magnetizing mechanisms are arranged on the workbench at intervals, and the multiple magnetizing mechanisms can ascend or descend in the vertical direction so as to be suitable for magnetizing or testing multiple workpieces; and the defective collecting mechanism is arranged on the workbench so as to be suitable for collecting workpieces which are not tested to be qualified.
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Description

Technical Field

[0001] The utility model relates to the technical field of motors, and particularly relates to a magnetization testing machine. Background Art

[0002] "Motor" is a transliteration of the English word "motor", that is, an electric motor or an engine. Its working principle is that an energized coil rotates under the action of a magnetic field to drive the starter rotor to rotate, and the small gear on the rotor drives the engine flywheel to rotate.

[0003] During the assembly of the rotor in the motor, dust removal and magnetization are required. During the assembly production process, a large number of rotors need to be dust-removed and magnetized. If manually carried during the dust-removal and magnetization processes, it is very inconvenient and also reduces the production efficiency. Summary of the Utility Model

[0004] The utility model aims to at least solve one of the technical problems in the related technologies to some extent. For this reason, an object of the utility model is to provide a magnetization testing machine, including:

[0005] A workbench;

[0006] A double-speed chain, which is arranged on the workbench and can move along the length direction of the workbench to transport workpieces.

[0007] A clamping mechanism, which is arranged in the middle of the workbench and can move in multiple axes on the workbench to clamp workpieces and drive the workpieces to move on the workbench.

[0008] A dust-removal mechanism, which is arranged on the workbench and can rise or fall in the vertical direction to blow air for dust-removing multiple workpieces.

[0009] Multiple magnetization mechanisms, which are arranged on the workbench at intervals and can rise or fall in the vertical direction to magnetize or test multiple workpieces.

[0010] A defective product collection mechanism, which is arranged on the workbench to collect workpieces that fail the test.

[0011] Preferably, the clamping mechanism includes:

[0012] A fixed seat, which is arranged on the workbench;

[0013] A multi-axis robotic arm, one end of which is connected to the fixed seat;

[0014] A pneumatic gripper, which is arranged at the other end of the multi-axis robotic arm.

[0015] Preferably, the dust removal mechanism includes:

[0016] A first bracket, which is arranged on the workbench;

[0017] A motor linear module, which is vertically arranged on the first bracket;

[0018] A first sliding frame, which is slidably connected to the motor linear module;

[0019] A first connecting pipe, which is vertically arranged at the top of the first sliding frame and extends to the bottom of the first sliding frame;

[0020] A fixed cover, which is arranged at the bottom of the first sliding frame, and the first connecting pipe extends into the fixed cover and is communicated with the fixed cover.

[0021] Preferably, the dust removal mechanism further includes:

[0022] A fixed frame, which is arranged at the bottom of the first bracket;

[0023] A first working station seat, which is arranged on the fixed frame;

[0024] A second connecting pipe, which is vertically arranged at the bottom of the first bracket and penetrates through the first bracket to be communicated with the first working station seat.

[0025] Preferably, the magnetizing mechanism includes:

[0026] A second bracket, which is vertically arranged on the workbench;

[0027] A first fixing plate, which is vertically arranged on the second bracket;

[0028] A first air cylinder, which is vertically arranged at the top of the first fixing plate;

[0029] Two first slide rails, which are arranged on the first fixing plate at intervals and are arranged along the length direction of the first fixing plate;

[0030] A second sliding frame, which is slidably arranged on the two first slide rails, and the second sliding frame is connected to the transmission end of the first air cylinder;

[0031] A first positioning column, which is vertically arranged at the bottom of the second sliding frame.

[0032] Preferably, the magnetizing mechanism further includes:

[0033] A magnetizing base, the magnetizing base is arranged on the second bracket;

[0034] A second fixing plate, the second fixing plate is vertically arranged at the bottom of the second bracket;

[0035] A second air rod, the second air rod is vertically arranged at the bottom of the second fixing plate;

[0036] Two second slide rails, the two second slide rails are arranged on the second fixing plate at intervals and are arranged along the length direction of the second fixing plate;

[0037] A third sliding frame, the third sliding frame is slidably arranged on the two second slide rails;

[0038] A second positioning post, the second positioning post is vertically arranged at the top of the third sliding frame;

[0039] A through hole, the through hole is arranged at the bottom of the second bracket, and the second positioning post is slidably arranged in the through hole.

[0040] Preferably, the defective collection mechanism includes:

[0041] A mounting frame, the mounting frame is arranged on the workbench;

[0042] A chute, the chute is arranged at the top of the mounting frame and is arranged along the length direction of the mounting frame;

[0043] A sliding plate, the sliding plate is slidably arranged in the chute;

[0044] Multiple collection seats, the multiple collection seats are arranged on the sliding plate at intervals;

[0045] A handle, the handle is arranged at the end of the sliding plate.

[0046] The above solution of the present utility model has at least the following beneficial effects:

[0047] The above workpiece is a rotor. The double-speed chain transports the workpiece to the workbench, and then the clamping mechanism clamps the workpiece on the double-speed chain and places the workpiece in the dust removal mechanism. Subsequently, the dust removal mechanism starts to blow air to remove dust and other impurities attached to the workpiece. After the dust on the workpiece is removed, the clamping mechanism clamps the workpiece and places it on the magnetizing mechanism. The magnetizing mechanism drives the workpiece to descend so that the workpiece enters the magnetizing mechanism, and then starts to magnetize the workpiece. After magnetization is completed, testing is also carried out in the magnetizing mechanism to test whether the magnetized workpiece has magnetism and whether it meets the required requirements. If the test is qualified, the clamping mechanism clamps the workpiece and places it on the double-speed chain, and the double-speed chain sends out the tested workpiece. If the test is unqualified, the clamping mechanism clamps the workpiece and places it in the defective collection mechanism, and the operator can take out the workpiece from the defective collection mechanism for repair;

[0048] Automatically complete the process steps of transporting, clamping, dust removal, magnetizing, testing, defective product collection, and blanking of the rotor through a speed chain, a clamping mechanism, a dust removal mechanism, a magnetizing mechanism, and a defective product collection mechanism.

[0049] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. Brief Description of the Drawings

[0050] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the structures shown in these drawings.

[0051] Figure 1 It is a schematic structural diagram of a magnetizing and testing machine provided in an embodiment of the present utility model;

[0052] Figure 2 It is a schematic structural diagram of a clamping mechanism provided in an embodiment of the present utility model;

[0053] Figure 3 It is a schematic structural diagram of a dust removal mechanism provided in an embodiment of the present utility model;

[0054] Figure 4 It is a schematic structural diagram of a magnetizing mechanism provided in an embodiment of the present utility model;

[0055] Figure 5 It is a schematic structural diagram of a second slide rail provided in an embodiment of the present utility model;

[0056] Figure 6 It is a schematic structural diagram of a defective product collection mechanism provided in an embodiment of the present utility model.

[0057] Explanation of the Reference Numerals in the Drawings:

[0058] 1. Workbench, 2. Speed chain, 3. Clamping mechanism, 4. Dust removal mechanism, 5. Magnetizing mechanism, 6. Defective product collection mechanism;

[0059] 301. Fixed seat, 302. Multi-axis robotic arm, 303. Pneumatic gripper;

[0060] 401. First bracket, 402. Motor linear module, 403. First sliding frame, 404. First connecting pipe, 405. Fixed cover, 406. Fixed frame, 407. First working station seat, 408. Second connecting pipe;

[0061] 501. Second bracket, 502. First fixing plate, 503. First air rod, 504. First slide rail, 505. Second sliding frame, 506. First positioning post, 507. Magnetizing base, 508. Second fixing plate, 509. Second air rod, 510. Second slide rail, 511. Third sliding frame, 512. Second positioning post;

[0062] 601. Mounting rack, 602. Slide plate, 603. Collection base, 604. Handle.

[0063] The realization, functional features and advantages of the purpose of the present utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings. Detailed implementation manners

[0064] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as limiting the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0065] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present utility model 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 thus should not be construed as limiting the present utility model.

[0066] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the 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, "a plurality" means two or more unless otherwise specifically defined.

[0067] In the present utility model, unless otherwise clearly defined or limited, terms such as "installed", "connected", "joined", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0068] In the present utility model, unless otherwise clearly defined or limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0069] The magnetization testing machine of the embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0070] Please refer to Figures 1 to 6, in this embodiment, it includes: a workbench 1; a double-speed chain 2, the double-speed chain 2 is arranged on the workbench 1, and the double-speed chain 2 is movable along the length direction of the workbench 1 to be suitable for transporting workpieces; a clamping mechanism 3, the clamping mechanism 3 is arranged in the middle of the workbench 1, and the clamping mechanism 3 can move in multiple axes on the workbench 1 to be suitable for clamping workpieces and driving the workpieces to be movable on the workbench 1; a dust removal mechanism 4, the dust removal mechanism 4 is arranged on the workbench 1 and can rise or fall in the vertical direction to be suitable for blowing air and removing dust from multiple workpieces; a plurality of magnetizing mechanisms 5, the plurality of magnetizing mechanisms 5 are arranged on the workbench 1 at intervals, and the plurality of magnetizing mechanisms 5 can rise or fall in the vertical direction to be suitable for magnetizing or testing multiple workpieces; a defective product collection mechanism 6, the defective product collection mechanism 6 is arranged on the workbench 1 to be suitable for collecting workpieces that fail the test; the above-mentioned workpiece is a rotor, the double-speed chain 2 transports the workpiece to the workbench 1, then the clamping mechanism 3 clamps the workpiece on the double-speed chain 2 and places the workpiece in the dust removal mechanism 4. Subsequently, the dust removal mechanism 4 starts to blow air and remove dust from the workpiece to remove impurities such as dust attached to the workpiece. After the dust on the workpiece is removed, the clamping mechanism 3 clamps the workpiece and places it on the magnetizing mechanism 5. The magnetizing mechanism 5 drives the workpiece to descend so that the workpiece enters the magnetizing mechanism 5. Subsequently, the workpiece is magnetized, and after magnetization is completed, it is also tested in the magnetizing mechanism 5 to test whether the magnetized workpiece has magnetism and whether it meets the required requirements. If the test is qualified, the clamping mechanism 3 clamps the workpiece and places it on the double-speed chain 2, and the double-speed chain 2 sends out the tested workpiece. If the test is unqualified, the clamping mechanism 3 clamps the workpiece and places it in the defective product collection mechanism 6, and the operator can take out the workpiece from the defective product collection mechanism 6 for repair; through the double-speed chain 2, the clamping mechanism 3, the dust removal mechanism 4, the magnetizing mechanism 5 and the defective product collection mechanism 6, the processes of transporting, clamping, dust removal, magnetizing, testing, defective product collection and blanking of the rotor are automatically completed.

[0071] In this embodiment, the clamping mechanism 3 includes: a fixed seat 301, the fixed seat 301 is arranged on the workbench 1; a multi-axis robotic arm 302, one end of the multi-axis robotic arm 302 is connected to the fixed seat 301; a pneumatic gripper 303, the pneumatic gripper 303 is arranged at the other end of the multi-axis robotic arm 302; the robotic arm drives the pneumatic gripper 303 to be movable on the workbench 1 so that the gripper can clamp the workpiece on the double-speed chain 2 and place it on the dust removal mechanism 4, the magnetizing mechanism 5 or the defective product collection mechanism 6.

[0072] In this embodiment, the dust removal mechanism 4 includes: a first bracket 401, which is arranged on the workbench 1; a motor linear module 402, which is vertically arranged on the first bracket 401; a first sliding bracket 403, which is slidably connected to the motor linear module 402; a first connecting pipe 404, which is vertically arranged at the top of the first sliding bracket 403 and extends to the bottom of the first sliding bracket 403; a fixed cover 405, which is arranged at the bottom of the first sliding bracket 403, and the connecting pipe extends into the fixed cover 405 and is communicated with the fixed cover 405; the dust removal mechanism 4 further includes: a fixed frame 406, which is arranged at the bottom of the first bracket 401; a first working station seat 407, which is arranged on the fixed frame 406; a second connecting pipe 408, which is vertically arranged at the bottom of the first bracket 401 and penetrates through the first bracket 401 to be communicated with the first working station seat 407; the above-mentioned first connecting pipe 404 is externally connected with a blowing device, and the second connecting pipe 408 is externally connected with a dust suction device. The clamping mechanism 3 places the workpiece on the double-speed chain 2 on the first working station seat 407, and then the motor linear module 402 drives the fixed cover 405 to descend and cover the first working station seat 407, so that the workpiece is inside the fixed cover 405. Then the blowing device starts to blow air into the fixed cover 405 to make the dust attached to the workpiece float. Subsequently, the external dust suction device starts to suck air into the fixed cover 405 and suck away the dust floating in the fixed cover 405 and the dust on the workpiece, so that the workpiece completes dust removal.

[0073] In this embodiment, the magnetizing mechanism 5 includes: a second bracket 501 vertically disposed on the workbench 1; a first fixing plate 502 vertically disposed on the second bracket 501; a first air cylinder 503 vertically disposed on the top of the first fixing plate 502; two first slide rails 504 spaced apart on the first fixing plate 502 and arranged along the length direction of the first fixing plate 502; a second sliding frame 505 slidably disposed on the two first slide rails 504, and the second sliding frame 505 is connected to the driving end of the first air cylinder 503; a first positioning post 506 vertically disposed at the bottom of the second sliding frame 505; the magnetizing mechanism 5 further includes: a magnetizing base 507 disposed on the second bracket 501; a second fixing plate 508 vertically disposed at the bottom of the second bracket 501; a second air cylinder 509 vertically disposed at the bottom of the second fixing plate 508; two second slide rails 510 spaced apart on the second fixing plate 508 and arranged along the length direction of the second fixing plate 508; a third sliding frame 511 slidably disposed on the two second slide rails 510; a second positioning post 512 vertically disposed at the top of the third sliding frame 511; a through hole disposed at the bottom of the second bracket 501, and the second positioning post 512 is slidably disposed in the through hole; when the workpiece is being dust-removed in the dust-removing mechanism 4, the second air cylinder 509 pushes the second positioning post 512 to rise in the magnetizing base 507 until the second positioning post 512 rises to a position flush with the top of the magnetizing base 507. Subsequently, the clamping mechanism 3 places the workpiece after dust-removal on the second positioning block. Then, the first air cylinder 503 pushes the first positioning post 506 to descend so that the first positioning post 506 abuts against the workpiece, causing the first positioning post 506 and the second positioning post 512 to jointly clamp the workpiece. Subsequently, the second air cylinder 509 drives the second positioning block to descend, and at the same time, the first air cylinder 503 pushes the first positioning block to descend as well, so that the workpiece moves into the magnetizing base 507 under the joint clamping of the first positioning block and the second positioning block. Then, the magnetizing base 507 starts to magnetize the workpiece. After magnetization is completed, the magnetizing base 507 starts to test the workpiece. After the test is completed, the first air cylinder 503 drives the first positioning post 506 to rise and reset, while the second air cylinder 509 pushes the second positioning block to rise, and the workpiece after magnetization also rises accordingly. The qualified workpieces are taken away by the clamping mechanism 3 and placed on the double-speed chain 2 and sent out through the double-speed chain 2, while the unqualified workpieces are clamped by the clamping mechanism 3 and placed on the defective collection mechanism 6.

[0074] In this embodiment, the defective collection mechanism 6 includes: a mounting frame 601, which is arranged on the workbench 1; a sliding groove, which is arranged at the top of the mounting frame 601 and is arranged along the length direction of the mounting frame 601; a sliding plate 602, which is slidably arranged in the sliding groove; a plurality of collection seats 603, which are spaced on the sliding plate 602; a handle 604, which is arranged at the end of the sliding plate 602. The workpieces that fail the test are placed on the collection seats 603. If all the collection seats 603 are filled with unqualified workpieces, the operator extracts the sliding plate 602 from the sliding groove and starts to repair the unqualified workpieces on the collection seats 603.

[0075] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0076] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made by using the description of the specification and drawings of the present invention under the inventive concept of the present invention, or direct / indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. Magnetization testing machine, characterized in that, include: Workbench; A double-speed chain, which is arranged on the workbench and is movable along the length direction of the workbench to be suitable for transporting workpieces; A clamping mechanism, the clamping mechanism is arranged in the middle of the workbench, and the clamping mechanism can move in multiple axes on the workbench to be suitable for clamping the workpiece and driving the workpiece to move on the workbench; A dust removal mechanism, which is disposed on the workbench and can be raised or lowered in a vertical direction so as to be suitable for blowing dust off multiple workpieces; A plurality of magnetizing mechanisms, wherein the plurality of magnetizing mechanisms are arranged on the workbench at intervals, and the plurality of magnetizing mechanisms can be raised or lowered in a vertical direction to be suitable for magnetizing or testing multiple workpieces; A defective collection mechanism is arranged on the workbench to collect workpieces that fail the test.

2. The magnetization tester according to claim 1, characterized in that: The clamping mechanism comprises: A fixing seat, the fixing seat being arranged on the workbench; A multi-axis mechanical arm, one end of which is connected to the fixing seat; A pneumatic gripper is arranged at the other end of the multi-axis mechanical arm.

3. The magnetization tester according to claim 1, characterized in that: The dust removal mechanism comprises: a first bracket, the first bracket being arranged on the workbench; A motor linear module, wherein the motor linear module is vertically arranged on the first bracket; A first sliding frame, wherein the first sliding frame is slidably connected to the motor linear module; A first connecting pipe, the first connecting pipe is vertically arranged on the top of the first sliding frame, and the first connecting pipe extends to the bottom of the first sliding frame; A fixed cover is arranged at the bottom of the first sliding frame, and the first connecting pipe extends into the fixed cover and is communicated with the fixed cover.

4. The magnetization tester according to claim 3, characterized in that: The dust removal mechanism also includes: A fixing frame, the fixing frame is arranged at the bottom of the first bracket; A first workstation seat, wherein the first workstation seat is arranged on the fixed frame; The second connecting pipe is vertically arranged at the bottom of the first bracket and passes through the first bracket to be connected with the first workstation.

5. The magnetization tester according to claim 1, characterized in that: The magnetizing mechanism comprises: A second bracket, the second bracket is vertically arranged on the workbench; A first fixing plate, wherein the first fixing plate is vertically arranged on the second bracket; A first gas rod, the first gas rod being vertically arranged on the top of the first fixing plate; Two first slide rails, which are arranged on the first fixing plate at intervals and along the length direction of the first fixing plate; A second sliding frame, wherein the second sliding frame is slidably disposed on the two first sliding rails and the second sliding frame is connected to a transmission end of the first gas rod; A first positioning column, wherein the first positioning column is vertically arranged at the bottom of the second sliding frame.

6. The magnetization tester according to claim 5, characterized in that: The magnetizing mechanism also includes: A magnetizing seat, the magnetizing seat is arranged on the second bracket; A second fixing plate, the second fixing plate being vertically arranged at the bottom of the second bracket; A second gas rod, the second gas rod being vertically arranged at the bottom of the second fixing plate; Two second slide rails, the two second slide rails are arranged on the second fixing plate at intervals and along the length direction of the second fixing plate; a third sliding frame, the third sliding frame being slidably disposed on the two second sliding rails; A second positioning column, wherein the second positioning column is vertically arranged on the top of the third sliding frame; A through hole is provided at the bottom of the second bracket, and the second positioning column is slidably provided in the through hole.

7. The magnetization tester according to claim 1, characterized in that: The bad collection agencies include: A mounting frame, the mounting frame is arranged on the workbench; A slide groove, which is arranged on the top of the mounting frame and along the length direction of the mounting frame; A slide plate, the slide plate is slidably arranged in the slide groove; A plurality of collecting seats, wherein the plurality of collecting seats are spaced apart on the slide plate; A handle is arranged at the end of the skateboard.