Electric assisted mobile platform

Abstract

The utility model discloses an electric assisted mobile platform, which is characterized in that it also includes a driving mechanism installed on a rotating frame and a chassis installed on a U-shaped frame, wherein a hydraulic station and a battery for driving a hydraulic cylinder to drive a fork leg to move up and down are installed in the chassis; the driving mechanism includes a driving frame movably connected to the U-shaped frame, a roller motor installed on the driving frame, and a driving wheel connected to the roller motor by transmission; the fork leg is also provided with a protective structure, and the protective structure includes an electric push rod installed on the fork leg and a block installed on the electric push rod, and the fork leg is provided with an empty groove adapted to the block. The utility model drives the fork leg to rise and fall by electrically driving the hydraulic cylinder, and does not need to be driven by manual labor to drive the fork leg to rise and fall; the entire device is moved by electrically driving, and does not need to be pushed manually, which saves labor and improves the efficiency of article handling.

Description

Technical Field

[0001] The utility model relates to a mobile platform, in particular to an electric auxiliary mobile platform. Background Art

[0002] The existing mobile platforms are usually moved by manual pushing and pulling, and the lifting of the platform is also driven by manual stepping on the hydraulic cylinder to drive the platform to lift. However, this type of mobile platform is very labor-intensive whether moving or lifting goods, especially when the goods are heavy, the physical exertion is more serious, the labor intensity is high and the efficiency is low.

[0003] The existing platforms or forks do not have any structure to limit the forward movement of the goods. The goods are placed on the platforms or forks by gravity. However, if the platform is moved in this way, the goods may move forward if an emergency stop occurs. Once the goods move forward, the goods may move out of the platform or the front end of the forks. Therefore, an electric auxiliary mobile platform is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems and to provide an electric auxiliary mobile platform.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: an electric assisted mobile platform, comprising a base frame, fork legs placed on the base frame, rollers installed on the base frame, a U-shaped frame installed on the base frame, a rotating frame movably installed on the U-shaped frame, a hydraulic cylinder installed on the rotating frame, and a connecting frame installed on the fork legs and connected to the hydraulic cylinder; it is characterized in that it also includes a driving mechanism installed on the rotating frame and a chassis installed on the U-shaped frame, a hydraulic station and a battery for driving the hydraulic cylinder to drive the fork legs to move up and down are installed in the chassis; the driving mechanism includes a driving frame movably connected to the U-shaped frame, a roller motor installed on the driving frame, and a driving wheel transmission-connected to the roller motor; a protective structure is also provided on the fork legs, the protective structure includes an electric push rod installed on the fork legs and a block installed on the electric push rod, and an empty groove adapted to the block is provided on the fork legs.

[0006] Further preferably, it also includes an auxiliary frame installed on the U-shaped frame and auxiliary wheels installed on the auxiliary frame.

[0007] Further preferably, it also includes a support frame installed on the hydraulic cylinder, a handle installed on the support frame, and a control button installed on the handle for controlling the opening and closing of the hydraulic station, the drive mechanism and the protective structure.

[0008] Further preferably, a limited movable connection structure is provided on the connecting frame and the hydraulic cylinder, and the limited movable connection structure includes a movable connecting seat installed on the connecting frame, a connecting hole provided on the movable connecting seat, a connecting head provided on the hydraulic cylinder and adapted to the connecting hole, and a sphere movably installed between the connecting head and the connecting hole, and the connecting head is provided with a spherical groove adapted to the sphere and limiting the position of the sphere.

[0009] Further preferably, the movable connecting seat is further provided with a positioning pin hole connected to the connecting hole, and the connecting head is provided with a limiting recess corresponding to the position of the positioning pin hole.

[0010] The beneficial effects of the utility model are as follows: the fork legs are driven to rise and fall by the electric-driven hydraulic cylinder, and no manual labor is required to drive the fork legs to rise and fall; the entire device is driven to move by electricity, and no manual pushing is required, which saves labor and improves the efficiency of carrying items;

[0011] By arranging a protective structure on the fork foot, when the fork foot is loaded with goods and is moved, the stopper is driven to move upward to form a blocking structure at the front end of the fork foot, which plays a limit blocking role in the forward movement of the goods on the fork foot, thereby preventing the goods on the fork foot from slipping out of the front end of the fork foot and causing the goods to fall during transportation. When the fork foot is inserted into the bottom of the goods or moves out from the bottom of the goods, the electric push rod is controlled to drive the stopper to move downward to avoid interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Attached Figure 1 It is a structural schematic diagram of the utility model;

[0013] Attached Figure 2 It is a partial structural schematic diagram of the utility model;

[0014] Attached Figure 3 It is a partial structural schematic diagram of the utility model;

[0015] Attached Figure 4 It is a schematic diagram of the local structure of the protective structure in the utility model;

[0016] Attached Figure 5 It is a schematic diagram of the local cross-sectional structure of the connection between the connecting frame and the oil cylinder in the utility model.

[0017] Legend: 1. Base frame; 11. Roller; 2. Fork legs; 21. Connecting frame; 3. U-shaped frame; 31. Auxiliary frame; 32. Auxiliary wheel; 33. Rotating frame; 4. Hydraulic cylinder; 41. Support frame; 42. Handle; 43. Control button; 5. Driving mechanism; 51. Driving frame; 52. Drum motor; 53. Driving wheel; 6. Chassis; 61. Hydraulic station; 62. Battery; 7. Protective structure; 71. Electric push rod; 72. Block; 73. Empty slot; 8. Movable connecting seat; 81. Connecting hole; 82. Connecting head; 83. Sphere; 84. Spherical slot; 85. Positioning pin hole; 86. Limiting recess. DETAILED DESCRIPTION

[0018] Below we further illustrate the electric assisted mobile platform described in the utility model with reference to the accompanying drawings.

[0019] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the utility model are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0020] In the present invention, unless otherwise clearly defined and limited, the terms "connection", "fixation", etc. should be understood in a broad sense; for example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-5 As shown in, an electric assisted mobile platform comprises a chassis 1, a fork leg 2 placed on the chassis 1, a roller 11 mounted on the chassis 1, a U-shaped frame 3 mounted on the chassis 1, a rotating frame 33 movably mounted on the U-shaped frame 3, a hydraulic cylinder 4 mounted on the rotating frame 33, and a connecting frame 21 mounted on the fork leg 2 and connected to the hydraulic cylinder 4; it is characterized in that it also includes a driving mechanism 5 mounted on the rotating frame 33 and a chassis 6 mounted on the U-shaped frame 3, wherein a hydraulic station 61 and a battery 62 for driving the hydraulic cylinder 4 to drive the fork leg 2 to move up and down are installed in the chassis 6; the driving mechanism 5 comprises a driving frame 51 movably connected to the U-shaped frame 3, a roller motor 52 mounted on the driving frame 51, and a driving wheel 53 drivingly connected to the roller motor 52; a protective structure 7 is also provided on the fork leg 2, and the protective structure 7 comprises an electric push rod 71 mounted on the fork leg 2 and a stopper 72 mounted on the electric push rod 71, and a slot 73 adapted to the stopper 72 is provided on the fork leg 2;

[0022] The hydraulic cylinder 4 is electrically driven to drive the fork leg 2 to move up and down, without the need for manual labor to drive the fork leg 2 to move up and down; the entire device is electrically driven to move, without the need for manual pushing, saving labor and improving the efficiency of object handling;

[0023] By arranging the protection structure 7 on the fork leg 2, when the fork leg 2 is loaded with goods and is moved, the stopper 72 is driven to move upward to form a blocking structure at the front end of the fork leg 2, which plays a role of limiting the forward movement of the goods on the fork leg 2, and prevents the goods on the fork leg 2 from slipping out of the front end of the fork leg 2 during transportation and causing the goods to fall. When the fork leg 2 is inserted into the bottom of the goods or moves out from the bottom of the goods, the electric push rod 71 is controlled to drive the stopper 72 to move downward to avoid interference;

[0024] By setting the rotating frame 33, the rotating frame 33 is movably connected with the U-shaped frame 3, so that the hydraulic cylinder 4 and the driving mechanism 5 fixedly installed on the rotating frame 33 can rotate. When the hydraulic cylinder 4 rotates, it can drive the driving mechanism 5 to rotate, thereby driving the driving wheel 53 to rotate and driving the mobile platform to turn.

[0025] In one embodiment, it further includes an auxiliary frame 31 installed on the U-shaped frame 3 and an auxiliary wheel 32 installed on the auxiliary frame 31 ; the auxiliary wheel 32 is provided to increase the stability of the U-shaped frame 3 and the driving wheel 53 .

[0026] In one embodiment, it also includes a support frame 41 installed on the hydraulic cylinder 4, a handle 42 installed on the support frame 41, and a control button 43 installed on the handle 42 for controlling the opening and closing of the hydraulic station 61, the drive mechanism 5 and the protective structure 7; by setting a plurality of control buttons 43 on the handle 42, the operator can directly control the operation of the entire mobile platform on the handle 42, and the operation is simple and convenient.

[0027] In one embodiment, the connecting frame 21 and the hydraulic cylinder 4 are provided with a limited movable connection structure, the limited movable connection structure comprises a movable connection seat 8 mounted on the connecting frame 21, a connection hole 81 arranged on the movable connection seat 8, a connecting head 82 arranged on the hydraulic cylinder 4 and adapted to the connection hole 81, and a ball 83 movably installed between the connecting head 82 and the connection hole 81, and the connecting head 82 is provided with a spherical groove 84 adapted to the ball 83 and limiting the position of the ball 83;

[0028] By setting the connecting hole 81, the connecting head 82 and the ball 83 on the movable connecting seat 8, the hydraulic cylinder 4 and the connecting frame 21 are movably connected, so that when the operator drives the hydraulic cylinder 4 and the driving mechanism 5 to rotate by controlling the handle 42, the connecting frame 21 will not be driven to rotate accordingly, and the connecting frame 21 will not interfere with the rotation of the hydraulic cylinder 4. The ball 83 is set to reduce the friction between the movable connecting seat 8 and the connecting head 82 during rotation; the spherical groove 84 is set to limit the position of the ball 83 on the connecting head 82.

[0029] In one embodiment, the movable connecting seat 8 is also provided with a positioning pin hole 85 connected to the connecting hole 81, and the connecting head 82 is provided with a limiting recess 86 corresponding to the position of the positioning pin hole 85; through the setting of the positioning pin hole 85 and the limiting recess 86, a positioning pin is installed in the positioning pin hole 85, and one positioning end is located in the limiting recess 86, thereby connecting the movable connecting seat 8 and the connecting head 82, limiting the upper and lower positions, and preventing the connection from being disengaged.

[0030] When the utility model is in use: when moving forward and backward, the operator controls the drum motor 52 to start through the control button 43, and the drum motor 52 drives the driving wheel 53 to rotate to drive the entire mobile platform to move forward and backward. When turning, the operator controls the handle 42 to drive the hydraulic cylinder 4 to rotate, and the hydraulic cylinder 4 drives the driving wheel 53 to rotate through the rotating frame 33 to drive the entire mobile platform to turn;

[0031] When the fork leg 2 is lifted or lowered, the operator controls the hydraulic station 61 by operating the corresponding control button 43, driving the hydraulic cylinder 4 to move and drive the fork leg 2 to lift;

[0032] When the fork leg 2 is inserted into the bottom of the cargo, the operator controls the electric push rod 71 to start by controlling the button 43. The electric push rod 71 drives the stopper 72 to extend out of the fork leg 2 and block the forward movement of the cargo on the fork leg 2 to prevent the cargo from moving forward and falling off the fork leg 2 during the moving and transporting process. When the fork leg 2 needs to be moved out from the bottom of the cargo, the electric push rod 71 is first controlled to retract the stopper 72 to prevent the stopper 72 from causing interference when the fork leg 2 is moved out.

[0033] The protection scope of the present utility model is not limited to the above embodiments and their variations. Conventional modifications and replacements made by those skilled in the art based on the contents of this embodiment all fall within the protection scope of the present utility model.

Claims

1. An electric assisted mobile platform, comprising a base frame (1), a fork leg (2) disposed on the base frame (1), a roller (11) mounted on the base frame (1), a U-shaped frame (3) mounted on the base frame (1), a rotating frame (33) movably mounted on the U-shaped frame (3), a hydraulic cylinder (4) mounted on the rotating frame (33), and a connecting frame (21) mounted on the fork leg (2) and connected to the hydraulic cylinder (4); wherein the connecting frame is characterized in that The invention also comprises a driving mechanism (5) mounted on the rotating frame (33) and a chassis (6) mounted on the U-shaped frame (3); a hydraulic station (61) and a storage battery (62) are mounted in the chassis (6) for driving the hydraulic cylinder (4) to drive the fork leg (2) to move up and down; the driving mechanism (5) comprises a driving frame (51) movably connected to the U-shaped frame (3), a roller motor (52) mounted on the driving frame (51), and a driving wheel (53) drivingly connected to the roller motor (52); a protective structure (7) is also provided on the fork leg (2); the protective structure (7) comprises an electric push rod (71) mounted on the fork leg (2) and a stopper (72) mounted on the electric push rod (71); and a slot (73) adapted to the stopper (72) is provided on the fork leg (2).

2. The electric-assisted mobile platform according to claim 1, characterized in that: It also includes an auxiliary frame (31) installed on the U-shaped frame (3) and auxiliary wheels (32) installed on the auxiliary frame (31).

3. The electric-assisted mobile platform according to claim 1, characterized in that: It also includes a support frame (41) mounted on the hydraulic cylinder (4), a handle (42) mounted on the support frame (41), and a control button (43) mounted on the handle (42) for controlling the opening and closing of the hydraulic station (61), the drive mechanism (5), and the protective structure (7).

4. The electric-assisted mobile platform according to claim 1, characterized in that: A limited movable connection structure is provided on the connecting frame (21) and the hydraulic cylinder (4), the limited movable connection structure comprising a movable connection seat (8) mounted on the connecting frame (21), a connection hole (81) provided on the movable connection seat (8), a connecting head (82) provided on the hydraulic cylinder (4) and adapted to the connection hole (81), and a sphere (83) movably mounted between the connecting head (82) and the connection hole (81), the connecting head (82) being provided with a spherical groove (84) adapted to the sphere (83) and having a limiting effect on the position of the sphere (83).

5. The electric-assisted mobile platform according to claim 4, characterized in that: The movable connection seat (8) is also provided with a positioning pin hole (85) communicating with the connection hole (81), and the connection head (82) is provided with a limiting recess (86) corresponding to the position of the positioning pin hole (85).

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