CN110642155B - Folding rail type gravity self-adaptive crane - Google Patents

Abstract

The invention provides a folding rail type gravity self-adaptive crane, which comprises a frame, folding hangers, a clamping mechanism and a lifting mechanism, wherein each folding hanger comprises a rectangular hanger, the long sides of the two rectangular hangers are hinged into a loose-leaf shape through two rotating shafts, a plurality of first slide rails are arranged between the two long sides of each rectangular hanger, a first slide block is arranged on each first slide rail, the clamping mechanism is arranged on the first slide block or the hinged long side of the rectangular hanger, the clamping mechanism comprises a steering engine and a mechanical claw, the steering engine controls the opening or closing of the pair of mechanical claws, the lifting mechanism comprises a roller motor, a roller and steel wire ropes, the roller is arranged on an output shaft of the roller motor, one ends of the two steel wire ropes are fixed on the roller, the other ends of the two steel wire ropes are respectively fixed on the two rotating shafts, the two steel wire ropes are wound on the roller in, and the goods are dispersed and piled up by skillfully utilizing the gravity action of the goods.

Description

A folding track-type gravity-adaptive crane

technical field

The invention relates to the technical field of cranes, in particular to a folding rail-type gravity self-adaptive crane.

Background technique

The current role of cranes is mostly used to hoist goods. When the goods arrive at the yard, a special stacking vehicle is required to stack the goods, so as to realize the neatness of the goods and facilitate management. But at present, the stacker in the yard can only stack a single stack at a time, which is time-consuming and labor-intensive. In order to improve efficiency, more equipment is usually required to work at the same time to match the speed of loading and unloading, which greatly increases the cost. In addition, most of the current cranes do not make good use of gravity and consume a lot of energy.

SUMMARY OF THE INVENTION

According to the deficiencies of the prior art, the purpose of the present invention is to provide a folding track-type gravity adaptive crane, which can not only transport multiple boxes of goods at one time, but also cleverly use the gravity of the goods themselves as a driving force to disperse the goods and stack them. High, reduce energy consumption and improve the applicability of the crane.

In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is:

A folding track-type gravity-adaptive crane, characterized in that it includes:

The frame includes a rectangular frame and a column, the top of the four columns supports the rectangular frame, and the bottom of each column is provided with a wheel;

The folding hanger includes a rectangular hanger. The long sides of the two rectangular hangers are hinged to form a loose-leaf shape through two rotating shafts. The two rotating shafts are arranged at a certain distance. A plurality of first sliding rails are provided, a first sliding block is provided on the first sliding rail, and a first sliding block is provided on the end of the first sliding rail away from the rotating shaft to prevent the first sliding block from falling. a baffle, the short sides of the two rectangular hangers are provided with second sliding rails, each of the vertical columns is sleeved with a linear bearing, the outer surface of each of the linear is provided with a second sliding block, each a second sliding block slides on one of the second sliding rails, and one end of the second sliding rail away from the rotating shaft is provided with a second baffle plate to prevent the second sliding block from falling;

The clamping mechanism is installed on the hinged long side of the first sliding block or the rectangular hanger, and includes a steering gear and a mechanical claw. The steering gear controls a pair of the mechanical claws to open or close;

The hoisting mechanism includes a drum motor, a drum and a steel wire rope, the drum motor is installed on the rectangular frame, the drum is arranged on the output shaft of the drum motor, and one end of the two steel wire ropes is fixed on the drum, The other ends are respectively fixed on two rotating shafts, and the two steel wire ropes are wound on the drum in opposite directions. Rectangular hangers open or close.

Further, the hoisting mechanism also includes a fixed pulley, the two fixed pulleys are both installed on the rectangular frame through the protruding fixed pulley bracket, and the two steel wire ropes respectively bypass the two fixed pulleys and the fixed pulley. The two rotating shafts are fixed.

Further, the first slide rail is arc-shaped, the cross section of the first slide rail is I-shaped, and two first rollers are installed on the first slide block, and the first slide block passes through two The first roller slides on the first slide rail.

Further, the output shaft of the steering gear is provided with a first gear, one of the mechanical claw is provided with a second gear that meshes with the first gear, and the other mechanical claw is provided with a second gear that meshes with the first gear. The second gear meshes with the third gear.

Further, wheel motors are installed at the bottoms of the two uprights, and the two wheels are respectively arranged on the output shafts of the two wheel motors.

Further, a second roller is embedded in the second slider, and the roller of the second roller extends out and is fixed to the column.

Further, the uprights are L-shaped with outward corners, including an upper upright and a lower upright that are integrally formed, and the included angle between the upper upright and the lower upright is 130 degrees to 135 degrees.

Further, a support rod is provided between the two uprights under the short side of the rectangular frame.

Compared with the prior art, the present invention has the following advantages and beneficial effects:

1. The folding track-type gravity-adaptive crane according to the present invention can transport multiple boxes of goods at one time, save energy and save time and effort.

2. The folding track-type gravity self-adaptive crane according to the present invention is designed with a folding hanger that cleverly utilizes gravity for self-adaptive distribution. The folding hanger can drive two rectangular hangers upward or downward during the process of rising and falling. It is inclined downward by a certain angle, so as to drive the clamping mechanism to move on the first slide rail, so as to realize the self-adaptive distribution of gravity, reduce energy consumption, and ensure the accuracy of control at the same time.

3. The folding track-type gravity-adaptive crane of the present invention is designed with a unique first slide rail, which can transport multiple boxes of goods at one time, and can ensure that each box of goods is displaced to the target area during transportation. position, and do not interfere with each other during transportation.

4. In the folding track-type gravity self-adaptive crane according to the present invention, a plurality of first sliding rails are evenly arranged on the folding hanger, and a mechanical structure is used for guidance and positioning, which is more reliable than electrical control.

Description of drawings

Fig. 1 is the overall structure schematic diagram of one angle of the present invention;

Fig. 2 is the overall structure schematic diagram of another angle of the present invention;

Fig. 3 is the structural representation of the frame of the present invention;

4 is a schematic structural diagram of an angle of the folding hanger of the present invention;

Fig. 5 is the top view of the folding hanger of the present invention;

6 is a schematic structural diagram of the clamping mechanism of the present invention;

7 is a schematic structural diagram of the first slide rail of the present invention;

FIG. 8 is a schematic diagram of the connection between the linear bearing and the second sliding block of the present invention.

Among them: 1, frame; 11, rectangular frame; 12, column; 121, upper column; 122, lower column; 13, wheel; 14, wheel motor; 15, support rod; 16, linear bearing;

2. Folding hanger; 21. Rectangular hanger; 211, shaft; 22, first slide rail; 23, first slider; 24, first baffle; 25, first roller; 26, second slide rail; 27, the second slider; 28, the second baffle; 29, the second roller;

3, clamping mechanism; 31, steering gear; 32, mechanical claw; 33, first gear; 34, second gear; 35, third gear;

4. Lifting mechanism; 41, Fixed pulley; 42, Fixed pulley bracket; 43, Drum motor; 44, Drum; 45, Steel wire rope.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal", "top", "bottom", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention The description is created and simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

Referring to FIGS. 1 and 2 , a folding track-type gravity-adaptive crane includes a frame 1 , a folding hanger 2 , a clamping mechanism 3 and a lifting mechanism 4 .

1-3, the frame 1 includes a rectangular frame 11 and a column 12, the top of the four columns 12 support the rectangular frame 11, the bottom of each column 12 is provided with a wheel 13, the wheel 13 can be rotated to drive the frame 1 move.

1, 2, 4 and 5, the folding hanger 2 includes a rectangular hanger 21, the long sides of the two rectangular hangers 21 are arranged in parallel with the long sides of the rectangular frame 11, and the two rectangular hangers 21 The long sides are hinged in a loose-leaf shape by two rotating shafts 211, the two rotating shafts 211 are arranged at a certain distance, and a plurality of first sliding rails 22 are arranged between the two long sides of each rectangular hanger 21, and the first sliding rails 22 are provided with There is a first sliding block 23 , the end of the first sliding rail 22 away from the rotating shaft 211 is provided with a first baffle plate 24 to prevent the first sliding block 23 from falling, and the short sides of the two rectangular hangers 21 are provided with a first baffle plate 24 . Two sliding rails 26 , a linear bearing 16 is sleeved on each upright column 12 , a second sliding block 27 is provided on the outer surface of each linear bearing 16 , each second sliding block 27 slides on a second sliding rail 26 , and the second sliding block 27 slides on a second sliding rail 26 . One end of the two sliding rails 26 away from the rotating shaft 211 is provided with a second baffle plate 28 for preventing the second sliding block 27 from falling.

4 and 6, the clamping mechanism 3 is installed on the first slider 23 or on the long side of the rectangular hanger 21 hinged, the clamping mechanism 3 includes a steering gear 31 and a mechanical claw 32, a mechanical claw 32 and The output shaft of the steering gear 31 is connected to the power transmission, and the steering gear 31 controls the opening or closing of a pair of mechanical claws 32, and the goods can be clamped by the opening or closing of the pair of mechanical claws 32.

1-3, the lifting mechanism 4 includes a drum motor 43, a drum 44 and a wire rope 45. The drum motor 43 is mounted on the rectangular frame 11 through the drum motor mounting bracket, and the drum 44 is provided on the output shaft of the drum motor 43. One end of the two steel wire ropes 45 is fixed on the drum 44, and the other end is fixed on the two rotating shafts 211 respectively. The two steel wire ropes 45 are wound on the drum 44 in opposite directions, and the drum 44 is driven by the drum motor 43 to rotate and then drive the two rotating shafts 211 moves up and down to make the two rectangular hangers 21 open or close.

Referring to FIGS. 1 and 2 , in order to change the direction of the force so that the force for raising or lowering the rotating shaft 211 is in the vertical direction, the hoisting mechanism 4 further includes a fixed pulley 41 , and the two fixed pulleys 41 pass through the protruding fixed pulleys. The bracket 42 is installed on the rectangular frame 11 , and the two wire ropes 45 are respectively fixed to the two rotating shafts 211 around the two fixed pulleys 41 .

4, 5 and 7, in order to make use of gravity skillfully, the first slide rail 22 is arc-shaped, the cross-section of the first slide rail 22 is I-shaped, and the first slider 23 is provided with two first slide rails 23. The rollers 25 and the first sliding block 23 slide on the first slide rail 22 through the two first rollers 25 . When the two steel wire ropes 45 drive the two rotating shafts 211 to descend, the two rectangular hangers 21 will tilt upward, and the first slider 23 will slide on the first slide rail 22 and approach the two rectangular hangers 21 due to the action of gravity. The hinged long side further drives the clamping mechanism 3 to approach the hinged long side of the two rectangular hangers 21; while the two steel wire ropes 45 drive the two rotating shafts 211 to rise, the two rectangular hangers 21 will be inclined downward. Due to the action of gravity, the first slider 23 will slide on the first slide rail 22 away from the hinged long sides of the two rectangular hangers 21 , thereby driving the clamping mechanism 3 away from the hinged long sides of the two rectangular hangers 21 .

Referring to FIG. 6 , the output shaft of the steering gear 31 is provided with a first gear 33 , one mechanical claw 32 is provided with a second gear 34 that meshes with the first gear 33 , and the other mechanical claw 32 is provided with a second gear 34 . The third gear 35 with which the gear 34 meshes. The steering gear 31 drives the first gear 33 to rotate, drives the second gear 34 to rotate, and then drives the third gear 35 to rotate, so that the pair of mechanical claws 32 are opened or closed.

Referring to FIGS. 1-3 , in order to move the vehicle frame 1 , wheel motors 14 are installed at the bottoms of the two uprights 12 , and the two wheels 13 are respectively arranged on the output shafts of the two wheel motors 14 . The two wheel motors 14 can drive the wheels 13 to rotate and then drive the vehicle frame 1 to move.

1, 3 and 8, during the rotation of the rectangular hanger 21, the second sliding block 27 will slide on the second sliding rail 26. In order to improve the sliding flexibility of the second sliding block 27, the first sliding block 27 slides. The two sliding blocks 27 are embedded with second rollers 29 , and the rollers of the second rollers 29 are extended and fixed to the linear bearing 16 . In addition, the second roller 29 can be set as a deep groove ball bearing, a roller is fixed on the linear bearing 16, a bearing seat is fixed on the second sliding block 27, the roller is fixed with the inner ring of the deep groove ball bearing, and the bearing seat is connected with the deep groove Outer ring clearance fit of ball bearings.

In order to make the device have good stability, the upright post 12 is L-shaped with corners outward, including an upper upright post 121 and a lower upright post 122 which are integrally formed, and the included angle between the upper upright post 121 and the lower upright post 122 is 130 degrees to 135 degrees.

In order to increase the stability of the device, a support rod 15 is provided between the two vertical columns 12 under the short sides of the rectangular frame 11 . Two or more support rods 15 may be provided.

In the embodiment of the present invention, four first sliding rails 22 are provided, each first sliding rail 22 is provided with a first sliding block 23, and each first sliding block 23 is provided with a clamping mechanism 3, and the two A clamping mechanism 3 is arranged in the middle of the hinged long sides of each rectangular hanger 21 , and there are 5 clamping mechanisms 3 in total, so that the crane can transfer 5 boxes of goods at one time.

In the present invention, the dimensions of the rectangular hanger 21 and the rectangular frame 11 can be changed according to actual needs, and the quantity of the first slide rails 22 can be changed to adapt to different hoisting occasions.

Using method of the present invention:

Step 1, the wheel 13 motor drives the wheel 13 to move, and the frame 1 is driven to the goods that need to be transported. The drum motor 43 drives the drum 44 to rotate, so that the two wire ropes 45 drive the two rotating shafts 211 to descend, as shown in FIG. 2, so that The two rectangular hangers 21 are inclined upward, and due to the action of gravity, the first sliding block 23 will slide on the first sliding rail 22 and then approach the long sides where the two rectangular hangers 21 are hinged.

Step 2: The clamping mechanism 3 clamps the goods, controls the opening or closing of a pair of mechanical claws 32 through the steering gear 31, and then the goods can be clamped by opening or closing the pair of mechanical claws 32, and the goods are clamped to two. At the long side of the hinged rectangular hanger 21 .

Step 3. After the goods are clamped by the clamping mechanism 3, the drum motor 43 drives the drum 44 to rotate, so that the two wire ropes 45 drive the two rotating shafts 211 to rise, as shown in FIG. 1, so that the two rectangular hangers 21 are inclined downward. , due to the action of gravity, the first sliding block 23 will slide on the first sliding rail 22 and further away from the hinged long sides of the two rectangular hangers 21 , and a plurality of goods are dispersed.

Step 4. The motor of the wheel 13 drives the wheel 13 to move, and the frame 1 is driven to the destination. The clamping mechanism 3 controls the opening or closing of a pair of mechanical claws 32 through the steering gear 31, and then through the opening or closing of the pair of mechanical claws 32. Closing to drop cargo.

Step 5: Repeat steps 1 to 4, place the goods on the destination goods, and stack them up.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions described in the foregoing embodiments can be modified, or some technical features thereof can be equivalently replaced, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included. within the protection scope of the present invention.

Claims (8)

1. A folding track-type gravity self-adaptive crane is characterized in that, comprising: The frame includes a rectangular frame and a column, the top of the four columns supports the rectangular frame, and the bottom of each column is provided with a wheel; The folding hanger includes a rectangular hanger. The long sides of the two rectangular hangers are hinged to form a loose-leaf shape through two rotating shafts. The two rotating shafts are arranged at a certain distance. A plurality of first sliding rails are provided, a first sliding block is provided on the first sliding rail, and a first sliding block is provided on the end of the first sliding rail away from the rotating shaft to prevent the first sliding block from falling. baffles, the short sides of the two rectangular hangers are provided with second slide rails, each of the uprights is sleeved with a linear bearing, the outer surface of each of the linear bearings is provided with a second slider, each a second sliding block slides on one of the second sliding rails, and one end of the second sliding rail away from the rotating shaft is provided with a second baffle plate to prevent the second sliding block from falling; The clamping mechanism is installed on the hinged long side of the first sliding block or the rectangular hanger, and includes a steering gear and a mechanical claw. The steering gear controls a pair of the mechanical claws to open or close; The hoisting mechanism includes a drum motor, a drum and a steel wire rope, the drum motor is installed on the rectangular frame, the drum is arranged on the output shaft of the drum motor, and one end of the two steel wire ropes is fixed on the drum, The other ends are respectively fixed on two rotating shafts, and the two steel wire ropes are wound on the drum in opposite directions. Stand open or close. 2 . The folding track-type gravity adaptive crane according to claim 1 , wherein the hoisting mechanism further comprises a fixed pulley, and the two fixed pulleys are both installed on the rectangular frame through a protruding fixed pulley bracket. 3 . On the frame, the two steel wire ropes are respectively fixed to the two rotating shafts around the two fixed pulleys. 3 . The folding track-type gravity adaptive crane according to claim 1 , wherein the first sliding rail is arc-shaped, the cross-section of the first sliding rail is I-shaped, and the first sliding block is 3 . Two first rollers are installed on the upper part, and the first slider slides on the first slide rail through the two first rollers. 4 . The folding orbital gravity adaptive crane according to claim 1 , wherein a first gear is arranged on the output shaft of the steering gear, and one of the mechanical claw is arranged to mesh with the first gear. 5 . The second gear of the other mechanical claw is provided with a third gear that meshes with the second gear. 5 . The folding track-type gravity adaptive crane according to claim 1 , wherein wheel motors are installed at the bottoms of the two uprights, and the two wheels are respectively arranged on the output shafts of the two wheel motors. 6 . 6 . The folding track-type gravity adaptive crane according to claim 1 , wherein a second roller is embedded in the second slider, and the roller of the second roller extends out and is fixed to the column. 7 . 7 . The folding track-type gravity adaptive crane according to claim 1 , wherein the upright column is L-shaped with corners outward, including an integrally formed upper column and a lower column, the upper column and the lower The included angle of the column is 130 degrees to 135 degrees. 8 . The folding track-type gravity-adaptive crane according to claim 7 , wherein a support rod is provided between the two vertical columns under the short sides of the rectangular frame. 9 .

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