CN215475136U - Car pushing mechanism for cart - Google Patents

Abstract

The application provides a cart pushing mechanism for a cart, which comprises a pitching device, wherein the pitching device comprises a support, a large arm is connected to the support, the large arm is connected with one end of a large arm power source, and the other end of the large arm power source is connected with the support; the large arm is connected with the small arm through a connecting piece, a small arm power source is arranged on the small arm, and the small arm is connected with the working part; leveling mechanisms are arranged on the large arm and the small arm; the utility model also comprises a swinging device; in conclusion, the cart pushing mechanism can rapidly adjust the relative position between the cart and the cart, the cart can be better pushed through adjusting the pitching angle and the swinging angle, and through the arrangement of the pitching device and the swinging device, a rotating device does not need to be additionally arranged, so that the cart cannot be pushed over in the rotating process, and the safety is further improved.

Description

Car pushing mechanism for cart

Technical Field

The application relates to the technical field of underground equipment, in particular to a cart pushing mechanism for a cart.

Background

In the mining process, the reliable operation of the mine equipment is an important link of safe production, the safe operation of the mine equipment is maintained, the occurrence of safety accidents is avoided, and the mine equipment has practical economic significance and important social significance; the car pusher, i.e. the pushing device, is used for pushing the mine car into or out of the cage, and is suitable for mine well heads or shaft bottom yards.

In the prior art, the cart is mainly divided into two forms, one is: the manual cart has a simple structure and low mechanical cost, but has high labor cost, large physical consumption, long required time and extremely low safety factor; the other type is an electric car pusher, which can save labor cost and improve safety of workers and is widely applied, the electric car pusher in the prior art is used for pre-driving a foundation at a proper position of a mine cage guide and then is installed with a car pusher, when the mine car needs to be used, a mine car is pushed into the mine cage through the car pusher, the structure of the car pusher is complex, the car pushing part can not only realize transverse and longitudinal movement, but also can rotate, and the mine car is easy to overturn in the rotating process, so that safety accidents are caused, the structure is complex, the manufacturing cost is high, the universality is poor, and the car pusher is difficult to maintain.

The car pusher in the prior art has a complex structure, can not only realize transverse and longitudinal movement, but also integrally rotate, easily overturns a mine car in the integral rotation process, causes safety accidents, and has the advantages of complex structure, high manufacturing cost, poor universality and difficult maintenance of the car pusher.

Therefore, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The application provides a cart pushing mechanism for a cart, which is used for adjusting a contact surface between the cart pushing mechanism and the cart and then operating the cart, such as pushing, pulling and the like; the car pushing mechanism comprises a pitching device, the pitching device comprises a support connected with the movable support, a large arm is connected onto the support, the large arm is connected with one end of a large arm power source, and the other end of the large arm power source is connected with the support; the large arm is connected with the small arm through a connecting piece, a small arm power source is arranged on the small arm, and the small arm is connected with a working part; leveling mechanisms are arranged on the large arm and the small arm.

As a preferred scheme, the leveling mechanism comprises a first leveling oil cylinder, one end of the first leveling oil cylinder is connected with the support, and the other end of the first leveling oil cylinder is connected with the large arm; the leveling mechanism comprises a second leveling oil cylinder, one end of the second leveling oil cylinder is connected with the connecting piece, and the other end of the second leveling oil cylinder is connected with the small arm; and a rodless cavity of the first leveling oil cylinder is connected with a rodless cavity of the second leveling oil cylinder, and a rod cavity of the first leveling oil cylinder is connected with a rod cavity of the second leveling oil cylinder.

As a preferable scheme, the small arm comprises a first cross rod and a second cross rod which are parallel to each other, one end of the first cross rod and one end of the second cross rod are connected with the connecting piece, the other end of the first cross rod and the other end of the second cross rod are connected with the first connecting piece, and the working part is connected with the first connecting piece.

As a preferred scheme, the cart device for the road junction further comprises a swinging device, the swinging device comprises a swinging power source, the swinging power source is connected with a support, and the support is connected with a slewing bearing through a rotating shaft.

As a preferred scheme, the working part comprises a grabbing mechanism, the grabbing mechanism comprises a telescopic oil cylinder, the telescopic oil cylinder is connected with a lifting piece, sliding grooves are symmetrically formed in the lifting piece, and grippers are connected in the sliding grooves and hinged to the grippers; the outer side of the hand grip is provided with a plane.

As a preferred scheme, the hinged part of the hand grip is connected with a rotating part, and the rotating part is connected with a driving oil cylinder.

As a preferred scheme, the gripper is connected with a follow-up device, the follow-up device comprises a three-position four-way valve, the three-position four-way valve is connected with a driving oil cylinder, and when the three-position four-way valve is located in a U-shaped middle position, the follow-up of the gripper is realized.

According to the utility model, the large arm power source is started to push the large arm to perform pitching motion, the small arm power source is started to push the small arm to move up and down, so that the working part is driven to move up and down, the distance and the contact area between the working part and the trolley are further adjusted, and the trolley is better pushed; the arrangement of the leveling mechanism enables the working part to be always vertical to the ground, so that the pushing and pulling of the cart can be better completed.

In conclusion, the utility model can rapidly adjust the relative position between the trolley and the pitching device, can better push the trolley by adjusting the pitching angle and the swinging angle, does not need to additionally set a rotating device by arranging the pitching device and the swinging device, can not turn over the trolley in the rotating process, and further improves the safety.

Drawings

FIG. 1 is a schematic structural view of angle one of the present application;

FIG. 2 is a schematic structural view of angle two of the present application;

FIG. 3 is a structural schematic diagram of angle one of the connection of the boom and the support of the present application;

FIG. 4 is a structural schematic diagram of the angle two of the connection of the boom and the support of the present application;

FIG. 5 is a schematic structural view of a pedestal;

FIG. 6 is a schematic view of the construction of angle one of the forearm of the present application;

FIG. 7 is a structural schematic diagram of the second angle of the forearm of the present application;

FIG. 8 is a schematic view of the construction of angle one of the pendulous devices of the present application;

FIG. 9 is a structural schematic diagram of an angle two of the swing apparatus of the present application;

FIG. 10 is a schematic view of the construction of angle one of the working components of the present application;

FIG. 11 is a structural schematic view of an angle two of the working elements of the present application;

FIG. 12 is a schematic view of a portion of the construction of the working components of the present application;

FIG. 13 is another schematic view of a portion of the working components of the present application;

FIG. 14 is a structural schematic view of angle one of the present application mated to a bracket;

FIG. 15 is a structural schematic view of the angle two of the present application mated to a bracket;

FIG. 16 is a structural schematic view of the angle III of the present application in engagement with a bracket;

FIG. 17 is a schematic view of the present application showing the mating of the rollers and the traveling carriage of the traveling apparatus;

FIG. 18 is a schematic structural view of the connecting shaft of the present application;

FIG. 19 is a schematic structural view of the mobile carriage of the present application;

FIG. 20 is a schematic structural view of a stent of the present application;

FIG. 21 is a simplified schematic of the three-position, four-way valve of the present application;

FIG. 22 is a schematic illustration of the construction of the grip of the present application;

FIG. 23 is a schematic view of the construction of the rotor of the present application;

1. support 2, moving support 3, cart mechanism 4 and support

5. Big arm 6, big arm power source 7, connecting piece 8, forearm

9. A small arm power source 10, a working part 11, a first leveling oil cylinder 12 and a second leveling oil cylinder

13. First cross rod 14, second cross rod 15, first connecting piece 16 and swing power source

17. Rotating shaft 18, slewing bearing 19, support plate I20 and support plate II

21. Slide rail groove 22, roller 23, connecting shaft 24 and bearing

25. Bearing sleeve 26, telescopic oil cylinder 27, lifting piece 28 and sliding groove

29. Hand 30, hinge 31, workpiece 32, plane

33. Rotating piece 34, driving oil cylinder 35, first cross beam 36 and second cross beam

37. First longitudinal beam 38, second longitudinal beam 39, first oblique beam 40 and third longitudinal beam

41. A second oblique beam 42, a fourth longitudinal beam 43, a fifth longitudinal beam 44 and a first supporting cross beam

45. Supporting beam II 46, supporting beam III 47 and supporting beam IV

48. A first support longitudinal beam 49, a second support longitudinal beam 50 and a first support oblique beam

51. Second support oblique beam 52, bottom plate 53, support oblique beam 54 and track beam

55. Rail beam flange 56, mounting hole 57, grabbing part 58 and mounting part

59. A connecting hole 60 and a telescopic cylinder mounting hole.

Detailed Description

The following describes in detail a specific embodiment of the present invention with reference to fig. 1 to 23. It should be noted that the specific embodiments described herein are only for illustrating and explaining the present invention and are not to be construed as limiting the present invention.

The first embodiment is as follows:

the application provides a cart device for a road junction, which comprises a cart mechanism 3, wherein the cart mechanism 3 comprises a pitching device, the pitching device comprises a support 4, a large arm 5 is connected to the support 4, the large arm 5 is rotatably connected with the support 4, the large arm 5 is connected with one end of a large arm power source 6, the other end of the large arm power source 6 is connected with the support 4, and the large arm power source 6 is preferably an oil cylinder in the prior art; the large arm 5 is connected with the small arm 8 through a connecting piece 7, and the connecting piece 7 is always vertical to the ground; the small arm 8 is provided with a small arm power source 9, the small arm power source 9 is preferably an oil cylinder in the prior art, and the small arm 8 is connected with a working part 10; leveling mechanisms are arranged on the large arm 5 and the small arm 8; the large arm power source 6 is started to push the large arm 5 to perform pitching motion, so as to drive the small arm 8 and the working part 10 to perform pitching motion, and the height distance between the small arm and the trolley is adjusted; the small arm power source 9 is started to push the small arm 8 to move up and down, so that the working part 10 is further driven to move up and down, and the distance between the working part 10 and the trolley is further adjusted; the arrangement of the leveling mechanism enables the working component 10 to be always vertical to the ground, so that the pushing and pulling of the cart can be better completed.

Example two:

the leveling mechanism is described, preferably, the leveling mechanism adopts a hydrostatic leveling mechanism of a hydraulic system in the prior art, the utility model is described simply, the leveling mechanism comprises a leveling cylinder I11, one end of the leveling cylinder I11 is connected with a support 4, and the other end of the leveling cylinder I11 is connected with a large arm 5; the leveling mechanism further comprises a second leveling oil cylinder 12, one end of the second leveling oil cylinder 12 is connected with the small arm 8, and the other end of the second leveling oil cylinder 12 is connected with the connecting piece 7; a rodless cavity of the first leveling oil cylinder 11 is connected with a rodless cavity of the second leveling oil cylinder 12, and a rod cavity of the first leveling oil cylinder 11 is connected with a rod cavity of the second leveling oil cylinder 12; the above are hydrostatic leveling mechanisms in the prior art, and details are not described; the arrangement of the leveling mechanism enables the connecting piece 7 and the working component 10 to be perpendicular to the ground all the time, so that the trolley can be better operated.

Example three:

in the embodiment, the small arm 8 is described, and the small arm 8 adopts a parallelogram structure, so that the connecting piece 7 and the working part 10 are further ensured to be vertical to the ground; the small arm 8 comprises a first cross rod 13 and a second cross rod 14 which are parallel to each other, one end of the first cross rod 13 and one end of the second cross rod 14 are connected with the connecting piece 7, the other end of the first cross rod 13 and the other end of the second cross rod 14 are connected with a first connecting piece 15, the working part 10 is connected with a first connecting piece 15, the first connecting piece 15 is perpendicular to the ground all the time, and therefore the working part 10 is guaranteed to be perpendicular to the ground all the time; the small arm 8 is in a parallelogram structure by the connecting piece 7, the connecting piece I15, the cross bar I13 and the cross bar II 14; thereby further ensuring that the working member 10 is always perpendicular to the ground and better completing the operation of the cart.

Example four:

in this embodiment, in order to further adjust the contact between the working component 10 and the cart to better complete pushing or pulling back of the cart, preferably, the cart device for the crossing further includes a swinging device, and the swinging device is configured to push the pitching device to swing, so as to better complete the contact adjustment between the cart device and the cart; the swinging device comprises a swinging power source 16, the swinging power source 16 adopts a swinging oil cylinder in the prior art, the swinging power source 16 is connected with a support 4, and the support 4 is connected with a slewing bearing 18 through a rotating shaft 17; the swing power source 16 pushes the support 4 to rotate along the rotary bearing 18, so that the pitching device swings, and the working component 10 swings at a certain angle, namely, the working component 10 rotates at a certain angle, so that the contact adjustment between the trolley and the trolley can be better completed.

Preferably, in order to better realize the fixation of the slewing bearing 18, a first support plate 19 is arranged on the outer side of the slewing bearing 18, a second support plate 20 is connected to the lower part of the first support plate 19, and the second support plate 20 is connected with the moving bracket 2; the second support plate 20 and the movable support 20 can be fixedly connected by welding, bonding and the like, and can also be detachably connected by bolts, screws and the like.

Example five:

in the embodiment, the working component 10 is described, so that the working component 10 in the utility model can be used for pushing and pulling back the cart, and can also be used for grabbing workpieces, thereby improving the utilization rate and the universality; specifically, the working component 10 comprises a telescopic cylinder 26, the telescopic cylinder 26 is connected with the first connecting piece 15, and the telescopic cylinder 26 is arranged on the inner side of the first connecting piece 15; the telescopic oil cylinder 26 is connected with a lifting piece 27, sliding grooves 28 are symmetrically formed in the lifting piece 27 relative to the middle plane of the lifting piece 27, namely the sliding grooves 28 are symmetrically formed in the middle of the telescopic oil cylinder 26, grippers 29 are connected in the sliding grooves 28, and the middle parts of the two grippers 29 are hinged; the telescopic oil cylinder 26 is started to drive the lifting piece 27 to move up and down, so that the gripper 29 is driven to grip or release; when the telescopic oil cylinder 26 drives the lifting piece 27 to move upwards, the upper parts of the hinged parts of the two grippers 29 move towards the inner side of the sliding groove 28 in opposite directions, so that the grippers 29 are used for gripping the workpiece 31, and otherwise, the workpiece 31 is released; the two sides of the hand grip 29 are provided with flat surfaces 32, and the cart can be pushed or pulled back through the arrangement of the flat surfaces 32.

More specifically, the hand grip 29 includes a hinge portion 30, the hinge portion 30 is disposed in the sliding groove 28, a mounting hole 56 is disposed on the hinge portion 30, and the mounting hole 56 and the sliding groove 28 are connected by a bolt, a connecting shaft, or the like, but not fixedly connected, so that the hinge portion 30 needs to be ensured to slide along the sliding groove 28; the hinge parts 30 are also provided with hinge holes, and the two hinge parts 30 are hinged through shafts and the like; the hinge part 30 is connected with a grabbing part 57, the grabbing part 57 takes the shape of a grab hand, and the grabbing part 57 and the hinge part 30 are integrally formed; the outer sides of the two gripping portions 57 are provided with flat surfaces 32.

Preferably, in this embodiment, when the cart 32 is pushed or pulled back, the angle between the plane 32 and the cart can be adjusted, that is, the hinge portion 30 of the two hand grips 29 is further connected with a rotating member 33, the rotating member 33 is preferably rectangular, the rotating member 33 includes a mounting portion 58, the mounting portion 58 is a rectangular groove starting from the bottom of the rotating member 33, the hand grips 29 and the lifting member 27 are both disposed in the mounting portion 58, a connecting hole 59 is formed in the rotating member 33 on the outer side of the mounting portion 58, the connecting hole 59 is hinged to a hinge hole in the hinge portion 30, and the rotating member 33 is connected to the driving cylinder 34; the driving oil cylinder 34 is arranged on the upper plane of the rotating member 33; the top of the rotating part 33 is provided with a telescopic cylinder mounting hole 60, and the telescopic cylinder 26 passes through the telescopic cylinder mounting hole 60 to be connected with the lifting part 27 in the mounting part 58; the bottom of connecting piece 15 is equipped with rotates the piece mounting hole, it passes to rotate the piece mounting hole, actuating cylinder 34 passes the side opening of connecting piece 15 and is connected with the top of rotating piece 33.

The driving oil cylinder 34 is started to push the rotating part 33 to rotate, so that the whole gripper 29 is driven to rotate, and the angle of the gripper 29 is adjusted, namely the angle between the plane 33 and the trolley is adjusted.

More preferably, the gripper 29 is connected with a follower device, the follower device can adjust the contact surface between the pushing handle plane 33 and the cart at any time, and particularly can better realize contact under the conditions of curves and the like, so as to realize better operation on the cart, the follower device comprises a three-position four-way valve, the three-position four-way valve is connected with the driving oil cylinder 34, and when the three-position four-way valve is in a U-shaped middle position, the following of the gripper 29 is realized; the working process of the specific three-position four-way valve is that an A, B working oil port is communicated, an oil inlet P and an oil return port T are closed, and the gripper 29 is in a floating state due to the communication of the working oil port A, B and can move under the action of external force, so that the positions of the plane 33 and the trolley are adjusted at any time.

Example six:

the cart mechanism 3 in the embodiment is used for being matched with the support 1 to serve as an embodiment, so that operation of carts such as the bottom of a mine and the like can be better completed; specifically, the support 1 is connected with a movable support 2 through a moving device, and a cart mechanism 3 is arranged on the movable support 2, namely the movable support 2 is connected with a support 4; the movable support 2 moves along the support 1 under the action of the moving device, so that the trolley mechanism 3 is driven to move along the support 1, and the distance between the trolley mechanism 3 and a trolley of a mine is adjusted.

Preferably, the moving means comprises a slide rail groove 21, the slide rail groove 21 is arranged on one side of the bracket 1 close to the cart mechanism 3, namely on the inner side of the bracket 1; the slide rail groove 21 is preferably a C-shaped groove, a roller 22 matched with the slide rail groove 21 is arranged in the slide rail groove 21, the roller 22 is connected with a connecting shaft 23, the connecting shaft 23 is connected with the movable support 2, and the roller 22 is connected with a power device; a bearing 24 is arranged on the outer side of the connecting shaft 23, a bearing sleeve 25 is arranged on the outer side of the bearing 24, and the bearing sleeve 25 is arranged on the movable bracket 2; the roller 22 is connected with a power device; the power device drives the roller 22 to rotate, so that the roller moves along the slide rail groove 21 and drives the moving support 2 to move, thereby driving the cart mechanism 3 to move, adjusting the relative position between the cart mechanism 3 and the cart, preparing for better pushing the cart in the follow-up process and improving the accuracy of the cart; the power device adopts the form of an electric roller, can also adopt a mode that a rotating shaft is connected between two rollers, the rotating shaft is provided with a motor, the rollers are driven by the motor to move, and can also adopt a mode that the rollers are matched with a belt, which are power devices in the prior art.

Example seven:

in the embodiment, a moving bracket 2 is described, where the moving bracket 2 includes a first cross beam 35 and a second cross beam 36, one end of the first cross beam 35 is connected with one end of the second cross beam 36 through a first longitudinal beam 37, the other end of the first cross beam 35 is connected with a second longitudinal beam 38, and the second longitudinal beam 38 is connected with a first oblique beam 39; the other end of the second cross beam 36 is connected with a third longitudinal beam 40, the third longitudinal beam 40 is connected with a second oblique beam 41, and the first oblique beam 39 and the second oblique beam 41 are connected through a fourth longitudinal beam 42; a movable part of the pitching device is arranged among the second longitudinal beam 38, the first oblique beam 39, the third longitudinal beam 40, the second oblique beam 41 and the fourth longitudinal beam 42, so that the pitching device and the movable bracket 2 are prevented from interfering; more preferably, in order to increase the strength of the mobile carriage 2; the longitudinal beam four 42 is connected with the longitudinal beam five 43, and two ends of the longitudinal beam five 43 are respectively connected with the cross beam one 35 and the cross beam two 36; a first supporting cross beam 44 is arranged between the first longitudinal beam 37 and the second longitudinal beam 38, and a second supporting cross beam 45 is arranged between the first longitudinal beam 37 and the third longitudinal beam 40; a third supporting cross beam 46 and a fourth supporting cross beam 47 are arranged between the first longitudinal beam 37 and the fifth longitudinal beam 43; a first supporting longitudinal beam 48 is arranged between the first cross beam 35 and the first oblique beam 39, and a second supporting longitudinal beam 49 is arranged between the second cross beam 36 and the second oblique beam 41; a first supporting oblique beam 50 is arranged between the first oblique beam 39 and the fourth longitudinal beam 42, and a second supporting oblique beam 51 is arranged between the second oblique beam 41 and the fourth longitudinal beam 42.

The upper cross beams, the longitudinal beams and the oblique beams are fixed by well-known methods such as welding, bonding, screw connection and the like.

Example eight:

in this embodiment, a support 1 is described, specifically, the support 1 includes a bottom plate 52, a supporting oblique beam 53 is disposed on the bottom plate 52, a rail beam 54 is disposed on the top of the supporting oblique beam 53, and rail beam flanges 55 are disposed at two ends of the rail beam 54; the slide rail groove 21 is arranged on the inner side of the track beam 54; the rail groove 21 and the rail beam 54 are fixed by well-known welding, screw connection, and the like, and it should be noted that the rail beam flange 55 is provided so as not to interfere with the rail groove 21; the support oblique beam 53 is connected and formed to the base plate 52 and the rail beam flange 55 by a known method such as welding or integral molding.

The adjacent supports 1 are connected through the rail beam flanges 55 and the bolts, the supports 1 are convenient to transport due to the arrangement of the support 1 structure, and particularly when the support is used in occasions such as mines and the like, the supports 1 are required to be detachable due to limited space, and the transportation is convenient.

In the embodiment, the support is disassembled into a plurality of devices with smaller volumes, and the supports are connected through the rail beam flanges after being transported to a fixed place; the design of this kind of structure is convenient for support transportation, and especially when being used for occasions such as mine, because the space is limited, so need the support can dismantle, the transportation of being convenient for has reduced the motion degree of difficulty, has improved conveying efficiency.

The working principle of the utility model is as follows: the large arm power source 9 is started to push the large arm 5 to perform pitching motion, the small arm power source 9 is started to push the small arm 8 to move up and down, so that the working part 10 is driven to move up and down, and the distance between the working part 10 and the trolley is further adjusted; the arrangement of the leveling mechanism enables the working component 10 to be always vertical to the ground, so that the pushing and pulling of the cart can be better completed; after the position is adjusted, the cart pushing mechanism 3 pushes the cart to push away; or the cart pushing mechanism is pulled by the pulling mechanism 3 to pull the cart back, thereby completing the working process.

In conclusion, the utility model can rapidly adjust the relative position between the mine bottom cart and the mine bottom cart, is not limited to the mine bottom cart, and can be used in other occasions; the cart is better pushed through the adjustment of the pitching angle and the swinging angle, and through the arrangement of the pitching device and the swinging device, a rotating device is not required to be additionally arranged, so that the cart cannot be overturned in the rotating process, and the safety is further improved; and the structure is simple, the use is convenient, and the manufacturing cost is low.

The devices and connection relationships that are not described in detail above all belong to the prior art, and the present invention is not described in detail herein.

The standard parts used in the application document can be purchased from the market, and can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, and machines, parts and equipment adopt conventional models in the prior art.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are included in the scope of protection of the present invention.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present application will not be described separately.

In addition, any combination of the various embodiments of the present application can be made, and the present application should be considered as disclosed in the present application as long as the combination does not depart from the spirit of the present application.

Claims (7)

1. The cart pushing mechanism for the cart comprises a pitching device and is characterized in that the pitching device comprises a support (4), a large arm (5) is connected to the support (4), the large arm (5) is connected with one end of a large arm power source (6), and the other end of the large arm power source (6) is connected with the support (4); the large arm (5) is connected with the small arm (8) through a connecting piece (7), a small arm power source (9) is arranged on the small arm (8), and the small arm (8) is connected with a working component (10); leveling mechanisms are arranged on the large arm (5) and the small arm (8).

2. The cart pushing mechanism for the cart according to claim 1, wherein the leveling mechanism comprises a first leveling cylinder (11), one end of the first leveling cylinder (11) is connected with the support (4), and the other end of the first leveling cylinder (11) is connected with the large arm (5); the leveling mechanism further comprises a second leveling oil cylinder (12), one end of the second leveling oil cylinder (12) is connected with the connecting piece (7), and the other end of the second leveling oil cylinder (12) is connected with the small arm (8); and a rodless cavity of the first leveling oil cylinder (11) is connected with a rodless cavity of the second leveling oil cylinder (12), and a rod cavity of the first leveling oil cylinder (11) is connected with a rod cavity of the second leveling oil cylinder (12).

3. The cart pushing mechanism for the cart according to claim 1, wherein the small arm (8) comprises a first cross bar (13) and a second cross bar (14) which are parallel to each other, one end of the first cross bar (13) and one end of the second cross bar (14) are connected with the connecting piece (7), the other end of the first cross bar (13) and the other end of the second cross bar (14) are connected with a first connecting piece (15), and the working part (10) is connected with the first connecting piece (15).

4. The cart pushing mechanism for the cart according to claim 1, further comprising a swinging device, wherein the swinging device comprises a swinging power source (16), the swinging power source (16) is connected with the support (4), and the support (4) is connected with the slewing bearing (18) through a rotating shaft (17).

5. The cart pushing mechanism for the cart according to claim 4, wherein a first support plate (19) is provided on the outer side of the pivot bearing (18), and a second support plate (20) is connected to the lower portion of the first support plate (19).

6. The cart pushing mechanism for the cart according to claim 1, wherein the working component (10) comprises a grabbing mechanism, the grabbing mechanism comprises a telescopic oil cylinder (26), the telescopic oil cylinder (26) is connected with a lifting piece (27), sliding grooves (28) are symmetrically formed in the lifting piece (27), each sliding groove (28) is internally provided with a hand grip (29), and the middle part of each hand grip (29) is hinged; the outer side of the handle (29) is provided with a plane (32).

7. The cart pushing mechanism according to claim 6, wherein a rotating member (33) is connected to the hinged joint of the handle (29), and the rotating member (33) is connected to the driving cylinder (34).

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