Material carrying device

Abstract

The invention provides a material carrying device which comprises a vehicle body support, a first fixing component, a second fixing component, a chassis support and a rolling component, the first fixing component is connected with the vehicle body support, the second fixing component is connected with the vehicle body support, the second fixing component, the first fixing component and the vehicle body support form a limiting groove, and materials are arranged in the limiting groove. One end of the chassis support is connected with the vehicle body support, the rolling component is connected with the other end of the chassis support, the chassis support is used for connecting the vehicle body support and the rolling component, and when the material carrying device is used, a worker exerts force on the vehicle body support, the rolling component drives the vehicle body support to move, and therefore material carrying can be achieved. And manual carrying by workers is not needed, the material transportation efficiency is improved, and the labor intensity of the workers is relieved.

Description

Technical Field

[0001] The present invention relates to the technical field of material transportation, and in particular to a material handling device. Background Art

[0002] During the oilfield production process, it is necessary to improve the service life and operating efficiency of the equipment. In the current operation and maintenance of oilfield on-site production equipment, there are problems such as long operation time and high work intensity of employees. For example, when the equipment is running to the maintenance time, if the plunger pump oil is found to be deteriorated or emulsified, the oil must be replaced. The oil storage location is far away from the operating equipment, and the joint station site is not allowed to store barreled oil according to requirements. The joint station is a fireproof and explosion-proof place. Every time, the employees can only roll the barreled oil to the site, which is time-consuming and laborious. The daily, quarterly and annual maintenance of the plunger pump requires frequent replacement of equipment accessories, such as valve seats, valve stems, tappets, packing assemblies, belts and other materials. The workers have high labor intensity in transportation, low production efficiency and safety hazards. The gathering and transportation joint station is a Class A fireproof and explosion-proof area. It is difficult to transport some small materials, instruments and equipment, maintenance materials, etc. in the fireproof and explosion-proof place. Summary of the invention

[0003] The invention provides a material handling device, which can improve the material transportation efficiency and reduce the labor intensity of the staff.

[0004] In view of this, the present invention proposes a material handling device, comprising: a vehicle body bracket; a first fixing component connected to the vehicle body bracket; a second fixing component connected to the vehicle body bracket, the second fixing component, the first fixing component and the vehicle body bracket form a limiting groove, and the material is arranged in the limiting groove; a chassis bracket, one end of which is connected to the vehicle body bracket; and a rolling component connected to the other end of the chassis bracket.

[0005] In some optional embodiments, the vehicle body bracket includes a main frame and a handle, and the main frame and the handle are welded at a preset angle, and the preset angle ranges from 125° to 145°.

[0006] In some optional embodiments, the first fixing component and the second fixing component are respectively welded to the vehicle body bracket; or, the vehicle body bracket further includes a limiting assembly, through which the first fixing component is connected to the vehicle body bracket, and the second fixing component is connected to the vehicle body bracket through the limiting assembly.

[0007] In some optional embodiments, the limiting assembly includes a first limiting component, a second limiting component, a third limiting component and a fourth limiting component, the first limiting component and the fourth limiting component are arranged on the main frame, the second limiting component connects the first fixing component and the first limiting component, and the third limiting component connects the second fixing component and the fourth limiting component.

[0008] In some optional embodiments, the vehicle body bracket further includes a first angle adjustment component, the first angle adjustment component is connected to the first fixing component, and the second limiting component connects the first angle adjustment component and the first limiting component.

[0009] In some optional embodiments, the first angle adjustment component is a polygonal column, the first limiting component is a limiting sleeve, one end of the first angle adjustment component is connected to the first fixing component, and the other end passes through the limiting sleeve, and the second limiting component passes through the limiting sleeve and presses against the first angle adjustment component.

[0010] In some optional embodiments, the vehicle body bracket further includes a second angle adjustment component, the second angle adjustment component is connected to the second fixed component, and the third limiting component connects the second angle adjustment component and the first limiting component.

[0011] In some optional embodiments, the second angle adjustment component is a polygonal cylinder, the fourth limiting component is a limiting sleeve, the second angle adjustment component is connected to the second fixing component, the second angle adjustment component passes through the limiting sleeve, and the third limiting component passes through the limiting sleeve and presses against the second angle adjustment component.

[0012] In some optional embodiments, the chassis bracket includes a first bracket, a second bracket, a third bracket, a rotating shaft and a reinforcing component, the first bracket and the second bracket are arranged parallel to the vehicle body bracket, the third bracket is arranged perpendicular to the first bracket and the second bracket on the vehicle body bracket, the rotating shaft connects the first bracket and the second bracket, and the reinforcing component connects the rotating shaft and the third bracket.

[0013] In some optional embodiments, the rolling component is a universal wheel.

[0014] Compared with the prior art, the present invention has the following technical effects:

[0015] The present invention proposes a material handling device, including: a vehicle body support, a first fixing component, a second fixing component, a chassis support and a rolling component, the first fixing component is connected to the vehicle body support, the second fixing component is connected to the vehicle body support, the second fixing component, the first fixing component and the vehicle body support form a limiting groove, the material is arranged in the limiting groove to prevent the material from falling from the vehicle body support, one end of the chassis support is connected to the vehicle body support, the rolling component is connected to the other end of the chassis support, the chassis support is used to connect the vehicle body support and the rolling component, when in use, the staff applies force to the vehicle body support, and the rolling component drives the vehicle body support to move, thereby realizing the handling of materials, and there is no need for the staff to carry the materials manually, thereby improving the material transportation efficiency and reducing the labor intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 A schematic structural diagram of a material handling device provided by an embodiment of the present invention at a first viewing angle;

[0018] Figure 2 for Figure 1 A schematic structural diagram of the material handling device of the provided embodiment at a second viewing angle;

[0019] Figure 3 A schematic structural diagram of a material handling device provided by another embodiment of the present invention at a first viewing angle;

[0020] Figure 4 for Figure 3 A schematic structural diagram of the material handling device of the provided embodiment at a second viewing angle;

[0021] Figure 5 for Figure 3 A schematic structural diagram of the material handling device of the provided embodiment from a third viewing angle;

[0022] Figure 6 for Figure 3 A schematic structural diagram of the second fixing component of the provided embodiment;

[0023] Figure 7 for Figure 3 A schematic structural diagram of the first fixing component of the provided embodiment.

[0024] in, Figures 1 to 7 The corresponding relationship between the reference numerals and component names in the figure is:

[0025] 1-body support; 11-main frame; 111-first long rod; 113-second long rod; 12-handle; 121-first handle rod; 122-second handle rod; 2-first fixing part; 21-first angle adjustment part; 22-first fixing element; 3-second fixing part; 31-second angle adjustment part; 32-second fixing element; 4-chassis support; 41-first support; 42-second support; 43-third support; 44-rotating shaft; 45-reinforcement part; 5-rolling part; 6-first limiting part; 7-second limiting part; 8-third limiting part; 9-fourth limiting part. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0028] During the oilfield production process, it is necessary to improve the service life and operating efficiency of the equipment. In the current operation and maintenance of oilfield on-site production equipment, there are problems such as long operation time and high work intensity of employees. For example, when the equipment is running to the maintenance time, if the plunger pump oil is found to be deteriorated or emulsified, the oil must be replaced. The oil storage location is far away from the operating equipment, and the joint station site is not allowed to store barreled oil according to requirements. The joint station is a fireproof and explosion-proof place. Every time, the employees can only roll the barreled oil to the site, which is time-consuming and laborious. The daily, quarterly and annual maintenance of the plunger pump requires frequent replacement of equipment accessories, such as valve seats, valve stems, tappets, packing assemblies, belts and other materials. The workers have high labor intensity in transportation, low production efficiency and safety hazards. The gathering and transportation joint station is a Class A fireproof and explosion-proof area. It is difficult to transport some small materials, instruments and equipment, maintenance materials, etc. in the fireproof and explosion-proof place.

[0029] The invention provides a material handling device, which can improve the material transportation efficiency and reduce the labor intensity of the staff.

[0030] The present invention provides a material handling device, such as Figure 1 and Figure 2As shown, the material handling device includes: a vehicle body support 1; a first fixing component 2, connected to the vehicle body support 1; a second fixing component 3, connected to the vehicle body support 1, the second fixing component 3, the first fixing component 2 and the vehicle body support 1 form a limiting groove, and the material is set in the limiting groove; a chassis support 4, one end of which is connected to the vehicle body support 1; and a rolling component 5, connected to the other end of the chassis support 4.

[0031] Specifically, the first fixing component 2, the second fixing component 3 and the vehicle body bracket 1 form a limiting groove, and the material is set in the limiting groove to prevent the material from falling from the vehicle body bracket 1. One end of the chassis bracket 4 is connected to the vehicle body bracket 1, and the rolling component 5 is connected to the other end of the chassis bracket 4. The chassis bracket 4 is used to connect the vehicle body bracket 1 and the rolling component 5. When in use, the staff applies force to the vehicle body bracket 1, and the rolling component 5 drives the vehicle body bracket 1 to move, thereby realizing the transportation of materials. The staff does not need to carry it manually, which improves the efficiency of material transportation and reduces the labor intensity of the staff.

[0032] Furthermore, if Figure 1 and Figure 2 As shown, the vehicle body bracket 1 includes a main frame 11 and a handle 12, one end of the main frame 11 is connected to the handle 12, the vehicle body bracket 1 includes a first long rod 111 and a second long rod 113, the first long rod 111 and the second long rod 113 are arranged in parallel, the first long rod 111 and the second long rod 113 form the main frame 11, the handle 12 includes a first handle rod 121 and a second handle rod 122, the first handle rod 121 is connected to the first long rod 111, and the second handle rod 122 is connected to the second long rod 113.

[0033] In some optional embodiments, such as Figure 1 and Figure 2 As shown, the vehicle body bracket 1 includes a main frame 11 and a handle 12. The main frame 11 and the handle 12 are welded at a preset angle, and the preset angle ranges from 125° to 145°.

[0034] Specifically, the material handling device is placed on the ground, the angle between the first long rod 111 and the ground is 35° to 65°, the angle between the second long rod 113 and the ground is 35° to 65°, and the angle between the first long rod 111 and the ground is the same as the angle between the second long rod 113 and the ground. The angle between the end of the first handle rod 121 connected to the first long rod 111 and the ground is 35° to 65°; the angle between the end of the second handle rod 122 connected to the second long rod 113 and the ground is 35° to 65°; the angles between the first handle rod 121 and the second handle rod 122 and the ground are equal.

[0035] In some optional embodiments, such as Figure 1 and Figure 2As shown, the first fixing member 2 and the second fixing member 3 are respectively welded to the vehicle body bracket 1; or Figure 3 to Figure 7 As shown, the vehicle body bracket 1 further includes a limiting assembly, the first fixing component 2 is connected to the vehicle body bracket 1 via the limiting assembly, and the second fixing component 3 is connected to the vehicle body bracket 1 via the limiting assembly.

[0036] Specifically, the first fixing component 2 is an arc-shaped support rod, and the two ends of the first fixing component 2 extending in the length direction are respectively connected to the first long rod 111 and the second long rod 113, and the first fixing component 2 is respectively welded to the first long rod 111 and the second long rod 113. The second fixing component 3 is a semicircular support plate, and the second fixing component 3 is respectively welded to the first long rod 111 and the second long rod 113. The first fixing component 2, the second fixing component 3 and the vehicle body support 1 form a limiting groove, and the material is set in the limiting groove to prevent the material from falling from the vehicle body support 1. When in use, the staff applies force to the vehicle body support 1, and the rolling component 5 drives the vehicle body support 1 to move, so that the material can be transported without the staff carrying it by hand, which improves the material transportation efficiency and reduces the labor intensity of the staff.

[0037] In some optional embodiments, such as Figure 3 to Figure 7 As shown, the vehicle body bracket 1 further includes a limiting assembly, the first fixing component 2 is connected to the vehicle body bracket 1 via the limiting assembly, and the second fixing component 3 is connected to the vehicle body bracket 1 via the limiting assembly.

[0038] Specifically, the limiting component includes a first limiting component 6, a second limiting component 7, a third limiting component 8 and a fourth limiting component 9. The first limiting component 6 and the fourth limiting component 9 are arranged on the main frame 11, the second limiting component 7 connects the first fixing component 2 and the first limiting component 6, and the third limiting component 8 connects the second fixing component 3 and the fourth limiting component 9.

[0039] Furthermore, the first limiting component 6 is a limiting sleeve arranged on the vehicle body support 1, and the limiting sleeve is cylindrical. The first limiting component 6 is respectively arranged on the first long rod 111 and the second long rod 113 of the vehicle body support 1, and the first limiting component 6 arranged on the first long rod 111 and the first limiting component 6 arranged on the second long rod 121 are arranged face to face. The two ends of the first fixing component 2 in the length direction respectively penetrate the first limiting component 6 arranged on the first long rod 111 and the first limiting component 6 on the second long rod 121, the second limiting component 8 penetrates the first limiting component 6 and presses against the first fixing component 2, and the second limiting component 7 penetrates the fourth limiting component 9 and presses against the second fixing component 3, so that the angle of the first fixing component 2 on the vehicle body support 1 can be adjusted. The fourth limiting component 9 is a limiting sleeve arranged on the vehicle body support 1, and the limiting sleeve is cylindrical. The first long rod 111 and the second long rod 113 of the vehicle body support 1 are respectively provided with the fourth limiting component 9, and the fourth limiting component 9 arranged on the first long rod 111 and the fourth limiting component 9 arranged on the second long rod 113 are arranged face to face. The second limiting component 7 is a screw. The third limiting component 8 is a screw. The two ends of the second fixing component 3 in the length direction respectively penetrate the fourth limiting component 9 arranged on the first long rod 111 and the first limiting component 9 of the second long rod 113, and the third limiting component 8 penetrates the fourth limiting component 9 and presses against the second fixing component 3, so that the angle of the second fixing component 3 on the vehicle body support 1 can be adjusted. The first fixing component 2 is connected to the vehicle body support 1 through a limiting assembly, and the second fixing component 3 is connected to the vehicle body support 1 through a limiting assembly. The first fixing component 2, the second fixing component 3 and the vehicle body support 1 form a limiting groove, so that materials of different sizes can be carried.

[0040] In some optional embodiments, such as Figure 3 to Figure 7 As shown, the first fixing component 2 includes a first fixing element 22 and a first angle adjustment component 21. One end of the first angle adjustment component 21 is connected to the first fixing element 22, and the other end passes through the first limiting component 6. The second limiting component 7 passes through the first limiting component 6 and presses against the first angle adjustment component 21.

[0041] Specifically, the first fixing element 22 is an arc rod. The first limiting component 6 is a limiting sleeve arranged on the vehicle body bracket 1, and the limiting sleeve is cylindrical. The first limiting component 6 is respectively arranged on the first long rod 111 and the second long rod 113 of the vehicle body bracket 1, and the first limiting component 6 arranged on the first long rod 111 and the first limiting component 6 arranged on the second long rod 113 are arranged face to face. The first angle adjustment components 21 are respectively arranged at both ends of the arc extension direction of the first fixing element 22. Optionally, the first fixing element 22 is welded to the first angle adjustment component 21. The first angle adjustment component 21 is in the shape of a polyhedral column. The second limiting component 7 is a limiting screw, and the first limiting component 6 is a limiting sleeve. The first angle adjustment components 21 at both ends of the first fixing element 22 respectively penetrate the first limiting component 6 of the first long rod 111 and the first limiting component 6 of the second long rod 121, and the second limiting component 8 penetrates the first limiting component 6 and presses against the first angle adjustment component 21, so as to realize that the angle of the first fixing component 2 on the vehicle body bracket 1 is adjustable. When in use, the first fixing element 22 can be rotated, and the first fixing element 22 can be rotated around the first long rod 111 and the second long rod 121, so that the first fixing element 22 can be adjusted to a suitable angle, and the second limiting component 7 is pressed against any surface of the first angle adjustment component 21, thereby achieving the limitation of the first angle adjustment component 21, thereby achieving the limitation of the first fixing element 22.

[0042] In some optional embodiments, such as Figure 3 to Figure 7 As shown, the second fixing component 3 includes a second fixing element 32 and a second angle adjustment component 31, one end of the second angle adjustment component 31 is connected to the second fixing element 32, and the other end passes through the fourth fixing component 9, and the third limiting component 8 passes through the first limiting component 6 and presses against the second angle adjustment component 31.

[0043] Specifically, the second fixing element 32 is a semicircular support plate. The fourth limiting component 9 is a limiting sleeve arranged on the vehicle body support 1, and the limiting sleeve is cylindrical. The first long rod 111 and the second long rod 113 of the vehicle body support 1 are respectively provided with the fourth limiting component 9, and the fourth limiting component 9 arranged on the first long rod 111 and the fourth limiting component 9 arranged on the second long rod 113 are arranged face to face. The second angle adjustment component 31 is respectively arranged at both ends of the second fixing element 32. Optionally, the second fixing element 32 is welded to the second angle adjustment component 31. The second angle adjustment component 31 is in the shape of a polyhedral column. The third limiting component 8 is a limiting screw, and the fourth limiting component 9 is a limiting sleeve. The second angle adjustment components 31 at both ends of the second fixing element 32 respectively penetrate the fourth limiting component 9 of the first long rod 111 and the fourth limiting component 9 of the second long rod 113, and the third limiting component 8 penetrates the fourth limiting component 9 and presses against the second angle adjustment component 31, so as to realize that the angle of the second fixing component 3 on the vehicle body support 1 is adjustable. When in use, the second fixing element 32 can be rotated, and the second fixing element 32 can rotate around the first long rod 111 and the second long rod 113, so that the second fixing element 32 can be adjusted to a suitable angle, and the fourth limiting component 9 is pressed against any surface of the second angle adjustment component 31, thereby achieving the limitation of the second angle adjustment component 31, thereby achieving the limitation of the second fixing element 32, so that the current angle of the second fixing element 32 can be fixed.

[0044] In some optional embodiments, such as Figure 3 to Figure 7 As shown, the second angle adjustment component 31 is a polygonal cylinder, the fourth limiting component 9 is a limiting sleeve, the second angle adjustment component 31 is connected to the second fixing component 3, the second angle adjustment component 31 passes through the limiting sleeve, and the third limiting component 8 passes through the limiting sleeve and presses against the second angle adjustment component 31.

[0045] Specifically, the second fixing element 32 is a semicircular support plate. The fourth limiting component 9 is a limiting sleeve arranged on the vehicle body support 1, and the limiting sleeve is cylindrical. The first long rod 111 and the second long rod 113 of the vehicle body support 1 are respectively provided with the fourth limiting component 9, and the fourth limiting component 9 arranged on the first long rod 111 and the fourth limiting component 9 arranged on the second long rod 113 are arranged face to face. The second angle adjustment component 31 is respectively arranged at both ends of the second fixing element 32. Optionally, the second fixing element 32 is welded to the second angle adjustment component 31. The second angle adjustment component 31 is in the shape of a polyhedron column. When in use, the second fixing element 32 can be rotated, and the second fixing element 32 can be rotated around the first long rod 111 and the second long rod 113, so that the second fixing element 32 can be adjusted to a suitable angle, and the third limiting component 8 is pressed against any surface of the second angle adjustment component 31, so as to achieve the limitation of the second angle adjustment component 31, so as to achieve the limitation of the second fixing element 32. The third limiting component 8 is a limiting screw, the fourth limiting component 9 is a limiting sleeve, the second angle adjustment components 31 at both ends of the second fixing element 32 respectively penetrate the fourth limiting component 9 of the first long rod 111 and the fourth limiting component 9 of the second long rod 113, the third limiting component 8 penetrates the fourth limiting component 9 and presses against the second angle adjustment component 31, thereby realizing that the angle of the second fixing component 3 on the vehicle body bracket 1 can be adjusted.

[0046] In some optional embodiments, such as Figure 1 to Figure 7 As shown, the chassis bracket 4 includes a first bracket 41, a second bracket 42, a third bracket 43, a rotating shaft 44 and a reinforcing component 45. The first bracket 41 and the second bracket 42 are arranged parallel to the vehicle body bracket 1, the third bracket 43 is arranged perpendicular to the first bracket 41 and the second bracket 42 on the vehicle body bracket 1, the rotating shaft 44 connects the first bracket 41 and the second bracket 42, and the reinforcing component 45 connects the rotating shaft 44 and the third bracket 43.

[0047] Specifically, the first bracket 41 is a V-shaped rod, the open end of the V-shaped rod is connected to the first long rod 111, the open end of the V-shaped rod is connected to the second long rod 113, the second bracket 42 is a V-shaped rod, the open end of the V-shaped rod is connected to the second long rod 113, and the rotating shaft 44 connects the closed ends of the first bracket 41 and the second bracket 42. The third bracket 43 is a V-shaped rod, the opening of the V-shaped rod is respectively connected to the first long rod 111 and the second long rod 113. The reinforcing component 45 is a reinforcing rod, one end of the reinforcing component 45 is connected to the rotating shaft 44, and the other end is connected to the closed end of the third bracket 43.

[0048] In some optional embodiments, the rolling component 5 is a universal wheel.

[0049] Specifically, both ends of the rotating shaft 44 in the length direction are connected to the rolling components 5 respectively, and the closed end of the third bracket 43 is connected to the rolling component 5 .

[0050] In the present invention, the term "plurality" means at least two or more than two, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0051] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", 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 present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A material handling device, It is characterized in that include: Vehicle body support (1); A first fixing component (2) connected to the vehicle body bracket (1); A second fixing component (3) is connected to the vehicle body support (1), the second fixing component (2), the first fixing component (2) and the vehicle body support (1) form a limiting groove, and the material is arranged in the limiting groove; A chassis bracket (4), one end of which is connected to the vehicle body bracket (1); The rolling component (5) is connected to the other end of the chassis bracket (4).

2. The material handling device according to claim 1, It is characterized in that The vehicle body bracket (1) comprises a main frame (11) and a handle (12); the main frame (11) and the handle (12) are welded at a preset angle, and the preset angle ranges from 125° to 145°.

3. The material handling device according to claim 2, It is characterized in that The first fixing component (2) and the second fixing component (3) are respectively welded to the vehicle body bracket (1); or, The vehicle body support (1) further comprises a limiting assembly, the first fixing component (2) being connected to the vehicle body support (1) via the limiting assembly, and the second fixing component (3) being connected to the vehicle body support (1) via the limiting assembly.

4. The material handling device according to claim 3, It is characterized in that The limiting component comprises a first limiting component (6), a second limiting component (7), a third limiting component (8) and a fourth limiting component (9); the first limiting component (6) and the fourth limiting component (9) are arranged on the main frame (11); the second limiting component (7) is connected to the first fixing component (2) and the first limiting component (6); and the third limiting component (8) is connected to the second fixing component (3) and the fourth limiting component (9).

5. The material handling device according to claim 4, It is characterized in that The first fixing component (2) comprises a first fixing element (22) and a first angle adjustment component (21); one end of the first angle adjustment component (21) is connected to the first fixing element (22), and the other end passes through the first limiting component (6); the second limiting component (7) passes through the first limiting component (6) and is pressed against the first angle adjustment component (21).

6. The material handling device according to claim 5, It is characterized in that The first angle adjustment component (21) is in the form of a polygonal column, the first limiting component (6) is a limiting sleeve, one end of the first angle adjustment component (21) is connected to the first fixing component (2), and the other end passes through the limiting sleeve, and the second limiting component (7) passes through the limiting sleeve and is pressed against the first angle adjustment component (21).

7. The material handling device according to claim 4, It is characterized in that The second fixing component (3) comprises a second fixing element (32) and a second angle adjustment component (31); one end of the second angle adjustment component (31) is connected to the second fixing element (32), and the other end passes through the fourth fixing component 9; the third limiting component (8) passes through the first limiting component 6 and is pressed against the second angle adjustment component (31).

8. The material handling device according to claim 7, It is characterized in that The second angle adjustment component (31) is a polygonal cylinder, the fourth limiting component (9) is a limiting sleeve, the second angle adjustment component (31) is connected to the second fixing component (3), the second angle adjustment component (31) passes through the limiting sleeve, and the third limiting component (8) passes through the limiting sleeve and presses against the second angle adjustment component (31).

9. The material handling device according to claim 1, It is characterized in that The chassis bracket (4) comprises a first bracket (41), a second bracket (42), a third bracket (43), a rotating shaft (44) and a reinforcing component (45); the first bracket (41) and the second bracket (42) are arranged parallel to the vehicle body bracket (1); the third bracket (43) is arranged perpendicular to the first bracket (41) and the second bracket (42) and is arranged on the vehicle body bracket (1); the rotating shaft (44) connects the first bracket (41) and the second bracket (42); and the reinforcing component (45) connects the rotating shaft (44) and the third bracket (43).

10. The material handling device according to claim 9, It is characterized in that The rolling component (5) is a universal wheel.

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