Heat treating hot part transfer cart

Abstract

This utility model provides a heat treatment post-heat treatment parts transfer cart, including: a movable part provided at the bottom of the cart frame; a U-shaped groove guide rail welded to the top left and right sides of the cart frame; a push handle connected to one side wall of the U-shaped groove guide rail; a discharge part one side is locked inside the U-shaped groove guide rail, and a discharge section is located at the bottom of the discharge part; a drive part is located at the top of the U-shaped groove guide rail, and the bottom of the drive part is connected to the discharge part. When the transfer cart receives material, the push handle is held to move the transfer cart to the side of the heat treatment furnace feed port. The stepper motor is controlled to rotate and move the discharge part upward along the U-shaped groove guide rail by winding a No. 2 metal rope to the heat treatment furnace feed port. The transfer process only requires pushing the transfer cart to the shot blasting machine, then controlling the stepper motor to move the discharge part upward to the feed port of the shot blasting machine, then breaking off the U-shaped block, holding the handle downward naturally, the discharge door tilts downward and swings to open the discharge frame, so that most of the material in the discharge frame is automatically poured into the feed port of the shot blasting machine.

Description

Technical Field

[0001] This utility model relates to the field of material transfer, and in particular to the field of transfer and feeding technology from furnace receiving to shot blasting machine, specifically a heat treatment post-heat treatment parts transfer vehicle. Background Technology

[0002] When the heat-treated parts are finished and removed from the furnace, they naturally fall into a basket. Because there is a distance between the discharge port and the bottom of the iron basket set on the ground, the parts that fall first accumulate at the bottom of the basket. The parts that fall later will collide with the newly fallen parts. Because the distance between the discharge port and the iron basket is too large, the collision force between the parts is also large, which will cause damage to the surface of the parts during the collision, resulting in defective parts. After the parts are collected, the iron basket is heavy and difficult to transport manually. The transportation process mainly uses a crane to lift the parts, which is dangerous. Finally, at the shot blasting machine, the parts still need to be manually shoveled into the shot blasting machine's feed port with an iron shovel. During the shoveling process, the parts collide with the iron shovel, causing dents and injuries. At the same time, the labor intensity is too high. Summary of the Invention

[0003] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a heat treatment post-heat treatment parts transfer vehicle to solve the difficulties of the prior art.

[0004] To achieve the above and other related objectives, this utility model provides a heat-treated parts transfer cart, comprising:

[0005] A vehicle underframe 1, wherein a movable part 2 is provided at the bottom of the vehicle underframe 1;

[0006] U-shaped groove guide rail 11, the U-shaped groove guide rail 11 is welded to the left and right sides of the top of the vehicle underframe 1 near the personnel driving side;

[0007] Push handle 12, which is bolted to the side wall of the U-shaped groove guide rail 11 near the driver's side;

[0008] The material feeding section 3 has one side locked in the U-shaped groove guide rail 11, and the other side of the material feeding section 3 extends downward at an angle away from the personnel driving side.

[0009] The feeding section 4 is located at the bottom of the discharging section 3;

[0010] The drive unit 5 is bolted to the top of the U-shaped groove guide rail 11, and the bottom of the drive unit 5 is bolted to the feeding unit 3.

[0011] According to the preferred embodiment, the moving part 2 includes:

[0012] The universal wheels 21 are bolted to the left and right sides of the bottom of the vehicle frame 1, near the U-shaped groove guide rail 11.

[0013] Directional wheel grooves 22 are formed on the left and right sides of the vehicle underframe 1 away from the omnidirectional wheels 21;

[0014] Roller 23, which passes through the directional wheel groove 22.

[0015] According to the preferred embodiment, the feeding section 3 includes:

[0016] A square frame 31 is disposed between the U-shaped groove guide rails 11 on the left and right sides of the vehicle bottom frame 1. Guide wheels 32 are provided on the four side walls of the square frame 31. The side of the guide wheel 32 away from the square frame 31 abuts against the bottom of the groove of the U-shaped groove guide rail 11. The two sides of the guide wheel 32 abut against the inner side wall of the groove of the U-shaped groove guide rail 11. The square frame 31 moves up and down along the U-shaped groove guide rail 11 by means of the guide wheels 32.

[0017] The material feeding frame 33 is inclined downward and disposed on the side of the vehicle bottom frame 1 away from the push handle 12;

[0018] The first connecting rod 34 is welded to the left and right sides of the top outer wall of the feeding frame 33 on one side, and connected to the crossbar at the top of the square frame 31 on the other side by welding. The first connecting rod 34 is inclined.

[0019] The second connecting rod 35 is welded on one side to the left and right sides of the bottom of the feeding frame 33 near the push handle 12, and the other side of the second connecting rod 35 is welded to the crossbar at the bottom of the square frame 31. The second connecting rod 35 is horizontally arranged.

[0020] According to the preferred embodiment, the feeding section 4 includes:

[0021] The material feeding trough 41 is located on the side of the material feeding frame 33 away from the push handle 12;

[0022] Rotary holes are formed on the inner sidewalls of the left and right sides of the top of the feed trough 41;

[0023] The material discharge gate 42 is fitted into the material discharge trough 41. The top of the material discharge gate 42 has a through hole, and a rotating rod 43 passes through the through hole. The left and right sides of the rotating rod 43 are fitted into the rotating hole.

[0024] A knotting hole 44 is provided at the center of the bottom of the discharge gate 42;

[0025] U-shaped block 45, the top of the inner side wall of the U-shaped block 45 is provided with a guide angle 46, the U-shaped block 45 is snapped in the middle of the crossbar at the bottom of the square frame 31, an extension rod 47 is provided on one side of the top of the U-shaped block 45 by welding, the top of the extension rod 47 extends upward towards the direction of the personnel driving side, and a handle 48 is integrally provided on the top of the extension rod 47;

[0026] The first metal rope 49 is knotted and secured in the knotting hole 44 on one side, and the other side of the first metal rope 49 is connected to the U-shaped block 45 by welding.

[0027] According to a preferred embodiment, the drive unit 5 includes:

[0028] A positioning reinforcing crossbar 51 is located at the top of the U-shaped groove guide rail 11, and the bottom left and right sides of the positioning reinforcing crossbar 51 are connected to the U-shaped groove guide rail 11 by welding.

[0029] The motor frame 52 is in the shape of an inverted T. The motor frame 52 is bolted to one side of the bottom of the positioning reinforcing crossbar 51. A fixing vertical plate 53 is provided on one side of the motor frame 52. An anchoring hole 54 is provided on one side of the fixing vertical plate 53. A stepper motor 55 is bolted to the bottom of the motor frame 52 and invertedly installed. A rotating shaft 56 is inserted through the center of the stepper motor 55. A turntable 57 is integrally installed on the top of the rotating shaft 56.

[0030] Fixed pulley 58, which is bolted to the top of the top crossbar of the square frame 31;

[0031] The second metal rope 59 has one end knotted and fitted into the anchoring hole 54, and the other end extending downwards and fitted into the bottom of the fixed pulley 58 before winding upwards around the rotating shaft 56 and connecting to the turntable 57 by bolts or welding.

[0032] A battery mounting plate 510 is bolted to the top of the positioning reinforcing crossbar 51 on the side away from the motor frame 52. A battery 511 is bolted to the top of the battery mounting plate 510, and a charging port 512 is provided on the side of the battery 511 away from the motor frame 52.

[0033] A battery cable clamp 513 is bolted to a U-shaped groove guide rail 11 on the side near the battery 511. The battery cable clamp 513 is located on the outer side wall of the U-shaped groove guide rail 11 near the push handle 12. A T-shaped wire clamping slot 514 is provided on one side of the battery cable clamp 513.

[0034] This utility model employs a chassis frame, a U-shaped groove guide rail, a push handle, a feeding section, a discharge section, and a drive unit. When the transfer vehicle receives material, the push handle is held to move the transfer vehicle to the side of the heat treatment furnace feed inlet. The stepper motor is controlled to rotate, and by winding a No. 2 metal rope, the feeding section moves upward along the U-shaped groove guide rail to the heat treatment furnace feed inlet. The transfer process only requires pushing the transfer vehicle to the shot blasting machine. Then, the stepper motor is controlled to move the feeding section upward to the shot blasting machine feed inlet, so that the discharge trough is above the shot blasting machine feed inlet. Finally, the U-shaped block is broken off, and the handle is held naturally downward. The feeding gate tilts downward and swings to open the feeding frame, so that most of the material in the feeding frame is automatically poured into the shot blasting machine feed inlet, achieving the following beneficial effects:

[0035] (1) Significantly reduces the drop height and minimizes impacts;

[0036] (2) Eliminating the need for hoisting reduces labor intensity;

[0037] (3) No manual shoveling is required, which significantly reduces the labor intensity of workers and reduces the collision of parts, thus improving the feeding efficiency.

[0038] The preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings, so as to facilitate an understanding of the features and advantages of the present invention. Attached Figure Description

[0039] Figure 1 The diagram shown is a three-dimensional structural schematic of this utility model;

[0040] Figure 2 The diagram shown is an enlarged three-dimensional structural diagram of the vehicle chassis frame in this utility model.

[0041] Figure 3 The diagram shown is an enlarged three-dimensional structural schematic of the material feeding section in this utility model.

[0042] Figure 4 The diagram shown is an enlarged three-dimensional structural schematic of the material feeding section in this utility model.

[0043] Figure 5 The diagram shown is an enlarged three-dimensional structural schematic of the drive unit in this utility model.

[0044] Figure 6 The diagram shown is an enlarged three-dimensional structural schematic of the battery cable clip in this utility model.

[0045] Label Explanation

[0046] 1. Underbody frame; 11. U-shaped guide rail; 12. Push handle;

[0047] 2. Moving part; 21. Casters; 22. Directional wheel groove; 23. Rollers;

[0048] 3. Feeding section; 31. Square frame; 32. Guide wheel; 33. Feeding frame; 34. Connecting rod No. 1; 35. Connecting rod No. 2;

[0049] 4. Feeding section; 41. Feeding trough; 42. Feeding gate; 43. Rotating rod; 44. Knotting hole; 45. U-shaped block; 46. Guide angle; 47. Extension rod; 48. Handle; 49. No. 1 metal rope;

[0050] 5. Drive unit; 51. Positioning reinforcement crossbar; 52. Motor frame; 53. Fixed vertical plate; 54. Anchoring waist hole; 55. Stepper motor; 56. Rotating shaft; 57. Turntable; 58. Fixed pulley; 59. No. 2 metal rope; 510. Battery mounting plate; 511. Battery; 512. Charging port; 513. Battery cable clip; 514. T-shaped wire clip slot; Detailed Implementation

[0051] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0052] Compared to the embodiments shown in the accompanying drawings, feasible embodiments within the scope of protection of this utility model may have fewer components, have other components not shown in the drawings, different components, components arranged differently, or components with different connections, etc. Furthermore, two or more components shown in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0053] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms “first,” “second,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, “an” or “a” and similar terms do not necessarily indicate a quantity limitation. Terms such as “comprising” or “including” mean that the element or object preceding the word encompasses the element or object listed following the word and its equivalents, without excluding other elements or objects. Terms such as “connected” or “linked” are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as “upper,” “lower,” “left,” and “right” are used only to indicate relative positional relationships; these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0054] This utility model proposes a heat treatment post-heat treatment parts transfer vehicle for use in material transfer processes. This utility model does not limit the type of materials to be transported, but the structure of the vehicle's bottom frame 1, U-shaped groove guide rail 11, push handle 12, material feeding part 3, unloading part 4 and drive part 5 is particularly suitable for the transfer and feeding of materials from the furnace to the shot blasting machine.

[0055] In general, the heat-treated parts transfer cart proposed in this utility model mainly includes: a chassis frame 1, a U-shaped guide rail 11, a push handle 12, a feeding section 3, a unloading section 4, and a drive section 5. (See also...) Figure 1 It shows the arrangement of the undercarriage frame 1, U-shaped guide rail 11, push handle 12, feeding part 3, unloading part 4 and drive part 5.

[0056] The heat-treated parts transfer cart proposed in this utility model allows for easy handling during material receiving. By holding the push handle 12, the cart is moved to the heat treatment furnace feed inlet side. The stepper motor 55 is controlled to rotate, and by winding the No. 2 metal cable 59, the unloading section 3 moves upward along the U-shaped guide rail 11 to the heat treatment furnace feed inlet. This significantly reduces the drop height and minimizes impact. The transfer process only requires pushing the cart to the shot blasting machine, eliminating the need for hoisting and reducing labor intensity. Then, the stepper motor 55 is controlled to move the unloading section 3 upward to the shot blasting machine feed inlet, positioning the unloading trough 41 at the shot blasting machine feed inlet. Above the shot blasting machine's feed inlet, pry off the U-shaped block 45, hold the handle 48 downwards naturally, causing the discharge gate 42 to swing downwards along the rotating hole due to its own angle, opening the discharge frame 33. This allows most of the material in the discharge frame 33 to automatically pour into the shot blasting machine's feed inlet. Then, hold the handle 48 and lift it up, locking the U-shaped block 45 back onto the square frame 31. Finally, use clamps to manually remove any material that cannot be automatically discharged and place it into the shot blasting machine's feed inlet to complete the transfer. This eliminates the need for manual shoveling, significantly reducing the labor intensity of workers, while also reducing parts collisions and improving feeding efficiency.

[0057] The aforementioned movable part 2 is located at the bottom of the vehicle underframe 1. The movable part 2 includes: casters 21, directional wheel grooves 22, and rollers 23. The casters 21 are bolted to the bottom of the vehicle underframe 1 on the left and right sides near the U-shaped guide rail 11. Directional wheel grooves 22 are opened on the left and right sides of the vehicle underframe 1 away from the casters 21. The rollers 23 are inserted into the directional wheel grooves 22. The two front rollers 23 with fixed directions and the two rear casters 21 can control the free movement of the vehicle underframe 1.

[0058] The aforementioned material feeding section 3 is fitted into the U-shaped groove guide rail 11 on one side, and extends downwards at an angle away from the personnel driving side on the other side. The material feeding section 3 includes: a square frame 31, a material feeding frame 33, a first connecting rod 34, and a second connecting rod 35. The square frame 31 is positioned between the U-shaped groove guide rails 11 on the left and right sides of the vehicle bottom frame 1. Guide wheels 32 are provided on the four side walls of the square frame 31. The side of the guide wheel 32 away from the square frame 31 abuts against the bottom of the groove on the U-shaped groove guide rail 11, and the left and right sides of the guide wheel 32 abut against the inner sidewall of the groove on the U-shaped groove guide rail 11. This structure allows the square frame 31 to move up and down along the U-shaped groove guide rail 11 via the guide wheels 32. The material feeding frame 33 is tilted downwards and positioned on the side of the underframe 1 away from the push handle 12. One side of the first connecting rod 34 is welded to the left and right sides of the top outer wall of the material feeding frame 33, and the other side of the first connecting rod 34 is welded to the crossbar at the top of the square frame 31. The first connecting rod 34 is tilted. A second connecting rod 35 is welded to the left and right sides of the bottom of the material feeding frame 33 near the push handle 12. The other side of the second connecting rod 35 is welded to the crossbar at the bottom of the square frame 31. The second connecting rod 35 is horizontally positioned. The second connecting rod 35 and the first connecting rod 34 make the tilted material feeding frame 33 more stable and have a higher load-bearing capacity.

[0059] The aforementioned unloading section 4 is located at the bottom of the feeding section 3. The unloading section 4 includes: a feeding trough 41, a rotating hole, a feeding gate 42, a knotting hole 44, a U-shaped block 45, and a first metal rope 49. The feeding trough 41 is located on the side of the feeding frame 33 away from the push handle 12. A rotating hole is formed on the inner sidewalls of the left and right sides of the top of the feeding trough 41. The feeding gate 42 is fitted into the feeding trough 41. A through hole is formed at the top of the feeding gate 42, and a rotating rod 43 passes through the through hole. The left and right sides of the rotating rod 43 are fitted into the rotating hole. A knotting hole 44 is formed in the center of the bottom of the feeding gate 42. A knotting hole 44 is formed on the top of the inner sidewall of the U-shaped block 45. With a guide angle 46, the U-shaped block 45 is snapped inward and locked in the center of the crossbar at the bottom of the square frame 31. An extension rod 47 is welded to one side of the top of the U-shaped block 45. The top of the extension rod 47 extends upward and tilts towards the direction of the personnel drive. A handle 48 is integrally provided on the top of the extension rod 47. One side of the first metal rope 49 is knotted and locked in the knotting hole 44, and the other side is connected to the U-shaped block 45 by welding. The U-shaped block 45 is removed, and the handle 48 is lifted and lowered back and forth to control the opening and closing of the discharge door 42. Lifting the handle 48 will fasten the U-shaped block 45 onto the square frame 31 to lock the discharge door 42.

[0060] The aforementioned drive unit 5 is bolted to the top of the U-shaped groove guide rail 11, and its bottom is bolted to the feeding unit 3. The drive unit 5 includes: a positioning reinforcing crossbar 51, a motor frame 52, a fixed pulley 58, a second metal rope 59, a battery mounting plate 510, and a battery cable clamp 513. The positioning reinforcing crossbar 51 is located at the top of the U-shaped groove guide rail 11, and its bottom left and right sides are welded to the U-shaped groove guide rail 11. The motor frame 52 is inverted T-shaped, and the motor frame 52 is connected to the top of the U-shaped groove guide rail 11 by bolts. A bolted connection is installed on one side of the bottom of the positioning reinforcement crossbar 51. A fixed vertical plate 53 is installed on one side of the motor frame 52, and an anchoring hole 54 is opened on one side of the fixed vertical plate 53. A stepper motor 55 is installed upside down at the bottom of the motor frame 52 by bolts. A rotating shaft 56 is inserted through the center of the stepper motor 55. A turntable 57 is integrally installed on the top of the rotating shaft 56 to increase torque. A fixed pulley 58 is installed at the top of the top crossbar of the square frame 31 by bolts. One end of the second metal rope 59 is knotted and looped around the anchor. Inside the waist hole 54, the other end of the second metal cable 59 extends downwards and is fitted onto the bottom of the fixed pulley 58, then winds upwards around the rotating shaft 56 and is connected to the turntable 57 by bolts or welding. The battery mounting plate 510 is bolted to the top of the positioning reinforcing crossbar 51 on the side away from the motor frame 52. A battery 511 is bolted to the top of the battery mounting plate 510. A charging port 512 is provided on the side of the battery 511 away from the motor frame 52. The battery cable clip 513 is bolted to the top of the battery mounting plate 510. The battery cable clip 513 is located on the outer wall of the U-shaped groove guide rail 11 near the push handle 12, and is placed on the side of the U-shaped groove guide rail 11. A T-shaped cable slot 514 is provided on one side of the battery cable clip 513. The battery 511 is charged through the plug connected to the charging port 512. Because the battery 511 is located in a high position, it is not convenient to plug and unplug the plug cable. Therefore, after charging is completed, the charging cable is clipped into the T-shaped cable slot 514 to prevent the cable from swinging back and forth and getting stuck in other instruments during movement.

[0061] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A heat-treated parts transfer cart, characterized in that, include: A vehicle underframe (1), wherein a movable part (2) is provided at the bottom of the vehicle underframe (1); U-shaped groove guide rail (11), the U-shaped groove guide rail (11) is welded to the left and right sides of the top of the vehicle underframe (1) near the personnel driving side; Push handle (12), which is bolted to the side wall of the U-shaped groove guide rail (11) near the driver's side; The material feeding section (3) is fitted into the U-shaped groove guide rail (11) on one side, and the other side of the material feeding section (3) extends downward at an angle away from the personnel driving side; The material feeding section (4) is located at the bottom of the material discharging section (3); The drive unit (5) is bolted to the top of the U-shaped groove guide rail (11), and the bottom of the drive unit (5) is bolted to the feeding unit (3).

2. The heat-treated parts transfer cart according to claim 1, characterized in that, The moving part (2) includes: The casters (21) are bolted to the left and right sides of the bottom of the vehicle frame (1) near the U-shaped groove guide rail (11); Directional wheel grooves (22) are formed on the left and right sides of the underframe (1) away from the omnidirectional wheels (21); Roller (23) is inserted into the directional wheel groove (22).

3. The heat-treated parts transfer cart according to claim 2, characterized in that, The feeding section (3) includes: A square frame (31) is set between the U-shaped groove guide rails (11) on the left and right sides of the undercarriage frame (1). Guide wheels (32) are provided on the four sides of the square frame (31). The side of the guide wheel (32) away from the square frame (31) abuts against the bottom of the groove of the U-shaped groove guide rail (11). The guide wheel (32) abuts against the inner side wall of the groove of the U-shaped groove guide rail (11) on both sides. The square frame (31) moves up and down along the U-shaped groove guide rail (11) through the guide wheel (32). A material feeding frame (33) is inclined downward and disposed on the side of the undercarriage frame (1) away from the push handle (12); The first connecting rod (34) is welded to the left and right sides of the top outer wall of the feeding frame (33) on one side, and connected to the crossbar at the top of the square frame (31) on the other side by welding. The first connecting rod (34) is inclined. The second connecting rod (35) is welded to the left and right sides of the bottom of the feeding frame (33) near the push handle (12) by welding on one side, and to the crossbar at the bottom of the square frame (31) by welding on the other side. The second connecting rod (35) is horizontally arranged.

4. The heat-treated parts transfer cart according to claim 3, characterized in that, The feeding section (4) includes: The material feeding trough (41) is located on the side of the material feeding frame (33) away from the push handle (12); Rotary holes are formed on the inner sidewalls of the top left and right sides of the feed trough (41); The material discharge gate (42) is fitted into the material discharge trough (41). The top of the material discharge gate (42) has a through hole, and a rotating rod (43) is inserted through the through hole. The left and right sides of the rotating rod (43) are fitted into the rotating hole. A knotting hole (44) is provided at the center of the bottom of the discharge gate (42); U-shaped block (45), the top of the inner side wall of the U-shaped block (45) is provided with a guide angle (46), the U-shaped block (45) is snapped in the middle of the crossbar at the bottom of the square frame (31), an extension rod (47) is provided on one side of the top of the U-shaped block (45) by welding, the top of the extension rod (47) extends upward towards the direction of the personnel driving side, and a handle (48) is integrally provided on the top of the extension rod (47); A first metal rope (49) is provided, with one side of the first metal rope (49) knotted and secured in the knotting hole (44), and the other side of the first metal rope (49) is connected to the U-shaped block (45) by welding.

5. The heat-treated parts transfer cart according to claim 4, characterized in that, The drive unit (5) includes: Positioning reinforcement crossbar (51) is located at the top of the U-shaped groove guide rail (11), and the bottom left and right sides of the positioning reinforcement crossbar (51) are connected to the U-shaped groove guide rail (11) by welding. The motor frame (52) is in the shape of an inverted T. The motor frame (52) is bolted to the bottom side of the positioning reinforcing crossbar (51). A fixed vertical plate (53) is provided on one side of the motor frame (52). An anchoring hole (54) is provided on one side of the fixed vertical plate (53). A stepper motor (55) is bolted to the bottom of the motor frame (52) and is inverted. A rotating shaft (56) is passed through the center of the stepper motor (55). A turntable (57) is integrally provided on the top of the rotating shaft (56). Fixed pulley (58), which is bolted to the top of the top crossbar of the square frame (31); The second metal rope (59) has one end knotted and fitted into the anchoring waist hole (54), and the other end extending downwards and fitted into the bottom of the fixed pulley (58), then winding upwards around the rotating shaft (56), and finally connected to the turntable (57) by bolts or welding. A battery mounting plate (510) is bolted to the top of the positioning reinforcing crossbar (51) on the side away from the motor frame (52). A battery (511) is bolted to the top of the battery mounting plate (510). A charging port (512) is provided on the side of the battery (511) away from the motor frame (52). A battery cable clip (513) is bolted to a U-shaped groove guide rail (11) on the side near the battery (511). The battery cable clip (513) is located on the outer side wall of the U-shaped groove guide rail (11) near the push handle (12). A T-shaped wire slot (514) is provided on one side of the battery cable clip (513).

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