CN112758155B - Mechanical cart convenient for loading and unloading goods and use method thereof - Google Patents

Abstract

The invention relates to the field of mechanical carts. The invention discloses a mechanical trolley which is convenient for loading and unloading goods and its use method. The problem to be solved by the invention is that the existing mechanical trolley which is convenient for loading and unloading goods still needs to manually carry the goods deep in the cargo box to the trolley, and then carry the goods, and the handling efficiency is low; when the existing trolley is stacking the goods to be transshipped, it is inconvenient to fix the trolley; It is necessary to manually fix the goods through ropes, which is not practical. The present invention is made up of transmission mechanism and swing mechanism. The mechanical cart which is convenient for loading and unloading goods and its use method uses the counterclockwise rotation of the bidirectional motor and the worm to drive the first reciprocating screw to rotate, prompting the second nut to drive the pull rod to move up and down, and cooperate with the cylinder to prompt the third telescopic rod to move the inside of the cargo box The goods are moved to the cover plate, and the goods are moved to the inner side of the frame through the inclined cover plate, which is convenient for loading.

Description

A kind of mechanical trolley convenient for loading and unloading goods and using method thereof

technical field

The invention relates to the field of mechanical carts, in particular to a mechanical cart convenient for loading and unloading goods and a use method thereof.

Background technique

Carts are transport vehicles that are pushed and pulled by manpower. Carts have one wheel, two wheels, three wheels and four wheels. The body material of traditional carts is generally wood, while the body material of modern carts is generally iron sheet.

When carrying out construction work on the construction site, it is often necessary to carry out short-distance transportation of materials, and transport the materials from the unloading point to the construction point. The staff need to use trolleys to complete this work. In the process of realizing the present invention, the inventors have found that at least the following problems in the prior art have not been resolved: 1. Some existing carts still need to manually carry the goods in the depths of the cart to the cart during use, and then Carrying goods, the handling efficiency is low, time-consuming and laborious; 2. It is inconvenient to fix the carts when the existing carts are stacking the goods to be transferred; 3. During the transfer of goods, the carts It is also necessary to manually fix the goods by ropes, which is not practical.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a mechanical trolley for easy loading and unloading of goods and its use method, which solves the problem that the existing mechanical trolley for easy loading and unloading of goods still needs to manually move the deep part of the cargo box. The goods are transported to the trolley, and then the goods are transported, and the handling efficiency is low; when the existing trolley is stacking the goods to be transshipped, it is inconvenient to fix the trolley; the trolley is in the process of transshipping the goods , It is also necessary to manually fix the goods through the rope, which is a problem of poor practicability.

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a mechanical cart for loading and unloading goods, including a support plate with holes, the bottom surface of the support plate with holes is provided with rollers, and the top surface of the support plate with holes A two-way motor is fixedly connected to the middle part of the two-way motor, and one end of the rotating shaft of the two-way motor is fixedly connected to a worm. The side of the fixed plate is rotatably connected with a swing mechanism, the top surface of the perforated support plate is fixedly connected with a frame, the rear side of the perforated support plate is hinged with a cover plate, and the left and right sides of the cover plate Both are provided with chute, the side of the cover plate is movably plugged with a plug-in plate, the front side of the support plate with holes is fixedly connected with a push handle, and the side of the push handle is fixedly connected with a connecting plate, and the connecting plate The side of the arc-shaped plate is hinged, and the side of the arc-shaped plate is movably connected with the side of the connecting plate through a spring.

Preferably, the transmission mechanism includes a first reciprocating screw rod, the side of the first reciprocating screw rod is connected to the inside of the support plate with holes for rotation, and the middle part of the side of the first reciprocating screw rod is fixedly sleeved with a worm wheel, so The worm gear is meshed with the worm, and both ends of the first reciprocating screw are connected to the second reciprocating screw through one-way bearings. The side of the second reciprocating screw is movably fitted with a first nut. The side of the nut is slidably connected to the inside of the support plate with holes, the side of the first nut is hinged with a first telescopic rod, and the end of the first telescopic rod away from the first nut is hinged with a support block, and the first telescopic rod The side of the L-shaped rod is rotatably connected with an L-shaped rod, and the end of the L-shaped rod away from the first telescopic rod is fixedly connected with the bottom surface of the support plate with holes.

Preferably, the swing mechanism includes two second telescopic rods, the sides of the second telescopic rods are rotatably connected to the side surfaces of the fixed plate, and the front side of the bottom surface of the second telescopic rods is hinged with a sliding rod, and the sliding rods The bottom end of the pull rod is hinged with a pull rod, and the end of the pull rod away from the sliding rod is hinged with a second nut, the inner wall of the second nut is movably socketed with the side of the first reciprocating screw rod, and the rear end of the second telescopic rod is hinged There is a third telescopic rod, the top surface of the second telescopic rod is hinged with a cylinder, the end of the cylinder far away from the second telescopic rod is hinged with the end of the third telescopic rod, and the opposite side of the two third telescopic rods Connecting rods are fixedly connected, projections are fixedly connected to opposite sides of the two third telescopic rods, and jacks are provided on the side of the third telescopic rods.

Preferably, the number of the rollers is four, and the height of the two rollers on the front side is 0.8 times the height of the two rollers on the rear side.

Preferably, the number of the support blocks is two, and the two support blocks are symmetrical with respect to the connecting plate, and the bottom surface of the support blocks is provided with anti-skid lines.

Preferably, the shape of the support plate with holes is L-shaped, the rear side of the vertical plate of the support plate with holes is fixedly connected with a baffle, and the side of the baffle is slidably connected with the side of the sliding rod.

Preferably, the frame is C-shaped, and the rear end of the frame is on the same vertical plane as the socket.

Preferably, the method for using a mechanical cart that facilitates loading and unloading of goods includes the following steps:

S1: Move the device to the designated position, pull out the inserting plate from the cover plate, rotate clockwise through the bidirectional motor and cooperate with the first reciprocating screw to drive the second reciprocating screw to rotate, so that the first nut drives the first telescopic rod to deflect. The support block is in contact with the ground, and then the first reciprocating screw rod is driven to rotate through the counterclockwise rotation of the two-way motor and the worm, so that the second nut drives the pull rod to move up and down, and then drives the third telescopic rod to deflect through the expansion and contraction of the cylinder. The third telescopic rod cooperates to move the goods in the cargo box to the cover plate, and the inclined cover plate is used to promote the goods to move to the inner side of the frame. After loading is completed, the second telescopic rod cooperates with the third telescopic rod to promote the third telescopic The deflection of the rod, through the deflection of the third telescopic rod, the protrusion is clamped into the chute and moved, causing the cover to deflect and squeeze the goods on the cover to the frame, and then connect with the frame through the socket to increase the overall stability of the device sex;

S2: Then use the two-way motor to rotate clockwise and cooperate with the cylinder to ensure that the position of the third telescopic rod will not change, and then rotate the second reciprocating screw to make the first telescopic rod deflect and separate the support block from the ground, and then pass the roller to the device to move;

S3: After moving the device to the designated position, the two-way motor rotates clockwise and cooperates with the first reciprocating screw to drive the second reciprocating screw to rotate, so that the first nut drives the first telescopic rod to deflect, so that the support block contacts the ground, and through the second The height of the front side of the device is adjusted by the deflection of the first telescopic rod, so that the height of the two rollers on the front side of the device is 1.3 times the height of the two rollers on the rear side, and then the third telescopic rod deflects through the contraction of the cylinder to open the cover. Carry out unloading.

Beneficial effect

The invention provides a mechanical trolley which is convenient for loading and unloading goods and a using method thereof. Compared with the prior art, it has the following beneficial effects:

(1) The mechanical cart for easy loading and unloading of goods and its use method are driven by the counterclockwise rotation of the bidirectional motor and the worm to drive the first reciprocating screw to rotate, so that the second nut drives the pull rod to move up and down and cooperates with the cylinder to force the third telescopic rod to move The goods in the cargo box are moved to the cover plate, and the goods are moved to the inner side of the frame through the inclined cover plate, which is more convenient for loading.

(2) The mechanical trolley for easy loading and unloading of goods and its use method rotate clockwise through a bidirectional motor and cooperate with the first reciprocating screw rod to drive the second reciprocating screw rod to rotate to make the first nut drive the first telescopic rod to deflect and make the support block Contact with the ground to ensure the stability of the device during loading.

(3) The mechanical trolley for loading and unloading goods and its use method make the third telescopic rod deflect by cooperating with the second telescopic rod and the third telescopic rod, and the protrusion is clamped into the chute and moved through the deflection of the third telescopic rod , to promote the deflection of the cover plate to squeeze the goods on the cover plate to the frame, and then connect with the frame through the socket to increase the overall stability of the device, and then move the device to the designated position, through the deflection of the first telescopic rod Adjust the height of the front side of the unit for easy unloading.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the structural enlarged view of place A in Fig. 1 of the present invention;

Fig. 3 is the structural enlarged view of place B among Fig. 1 of the present invention;

Fig. 4 is a schematic diagram of a partial three-dimensional structure of the present invention;

Fig. 5 is a sectional view of a partial three-dimensional structure of the present invention.

In the figure: 1. supporting plate with holes; 2. roller; 3. two-way motor; 4. worm; 5. transmission mechanism; 51. first reciprocating screw; 52. second reciprocating screw; 53. first nut; 54, the first telescopic rod; 55, the support block; 56, the L-shaped rod; 57, the worm gear; 6, the fixed plate; 7, the swing mechanism; 71, the second telescopic rod; 72, the sliding rod; 73, the pull rod; The second nut; 75, the third telescopic rod; 76, cylinder; 77, connecting rod; 78, projection; 79, jack; 8, frame; 9, cover plate; 10, chute; 11, inserting plate; 12 1. Push handle; 13. Connecting plate; 14. Push handle; 15. Baffle plate.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figure 1-5, a mechanical cart for loading and unloading goods, including a support plate with holes 1, a roller 2 is arranged on the bottom surface of the support plate 1 with holes, and a bidirectional motor is fixedly connected to the middle of the top surface of the support plate 1 with holes 3. One end of the rotating shaft of the bidirectional motor 3 is fixedly connected with a worm 4, and the inner rotation of the support plate with holes 1 is connected with a transmission mechanism 5, and the left and right sides of the support plate with holes 1 are fixedly connected with a fixed plate 6, and the fixed plate 6 The side is rotatably connected with a swing mechanism 7, the top surface of the perforated support plate 1 is fixedly connected with a frame 8, the rear side of the perforated support plate 1 is hinged with a cover plate 9, and the left and right sides of the cover plate 9 are provided with chute 10, The side of the cover plate 9 is movably plugged with a plug-in plate 11, the front side of the support plate 1 with holes is fixedly connected with a push handle 12, the side of the push handle 12 is fixedly connected with a connecting plate 13, and the side of the connecting plate 13 is hinged with an arc-shaped plate 14. The side of the arc-shaped plate 14 is movably connected with the side of the connecting plate 13 through a spring.

In the present invention, the transmission mechanism 5 includes a first reciprocating screw rod 51, the side of the first reciprocating screw rod 51 is rotationally connected with the inside of the support plate 1 with holes, and the middle part of the side of the first reciprocating screw rod 51 is fixedly sleeved with a worm gear 57, The worm wheel 57 meshes with the worm screw 4, and the two ends of the first reciprocating screw rod 51 are connected to the second reciprocating screw rod 52 through one-way bearings. The side of 53 is slidingly connected with the inside of the support plate 1 with holes, the side of the first nut 53 is hinged with a first telescopic rod 54, and the end of the first telescopic rod 54 away from the end of the first nut 53 is hinged with a support block 55, the first telescopic rod The side of 54 is rotatably connected with an L-shaped rod 56, and the end of the L-shaped rod 56 away from the first telescopic rod 54 is fixedly connected to the bottom surface of the support plate 1 with holes, and rotates clockwise through the bidirectional motor 3 and cooperates with the first reciprocating screw rod 51 Driving the second reciprocating screw mandrel 52 to rotate impels the first nut 53 to drive the deflection of the first telescopic rod 54 to impel the support block 55 to contact the ground to fix the device and ensure the stability of the device when loading.

In the present invention, the swing mechanism 7 includes two second telescopic rods 71, the sides of the second telescopic rods 71 are rotationally connected with the side surfaces of the fixed plate 6, and the front side of the bottom surface of the second telescopic rods 71 is hinged with a sliding rod 72, and the sliding rod 72 The bottom end of the pull rod 73 is hinged with a pull rod 73, and the end of the pull rod 73 away from the sliding rod 72 is hinged with a second nut 74. The third telescopic rod 75 is hinged, and the top surface of the second telescopic rod 71 is hinged with a cylinder 76. The end of the cylinder 76 away from the second telescopic rod 71 is hinged with the end of the third telescopic rod 75, and the two third telescopic rods 75 are opposite to each other. One side is fixedly connected with a connecting rod 77, and the opposite side of the two third telescopic rods 75 is fixedly connected with a projection 78, and the side of the third telescopic rod 75 is provided with a jack 79, which is rotated counterclockwise by the bidirectional motor 3 and the worm 4 Cooperate to drive the first reciprocating screw rod 51 to rotate, impel the second nut 74 to drive the pull rod 73 to move up and down and cooperate with the cylinder 76 to impel the third telescopic rod 75 to move the goods in the container to the device, saving time and effort.

In the present invention, the number of rollers 2 is four, and the height of the two rollers 2 on the front side is 0.8 times of the height of the two rollers 2 on the rear side, and the height difference between the rollers 2 is adjusted by the support block 55 according to the specific conditions.

In the present invention, the number of support blocks 55 is two, and the two support blocks 55 are symmetrical about the connecting plate 13. The bottom surface of the support blocks 55 is provided with anti-slip lines, which increases the friction between the support blocks 55 and the ground and ensures the stability of the device. sex.

In the present invention, the shape of the support plate 1 with holes is L-shaped, and the rear side of the vertical plate of the support plate 1 with holes is fixedly connected with a baffle plate 15, and the side surfaces of the baffle plate 15 are slidably connected with the sides of the sliding rod 72. 15 cooperates with the fixed plate 6 to facilitate the definition of the swing trajectory of the second telescopic rod 71 .

In the present invention, the shape of the frame 8 is C-shaped, and the rear end of the frame 8 and the socket 79 are on the same vertical plane, and the cooperation between the frame 8 and the socket 79 facilitates fixing the stacked goods and reduces the need for cargo transfer. The possibility of the goods shaking during the process.

A method for using a mechanical trolley that is convenient for loading and unloading goods, comprising the following steps:

S1: Move the device to the designated position, pull out the plug-in plate 11 from the cover plate 9, rotate clockwise through the bidirectional motor 3 and cooperate with the first reciprocating screw rod 51 to drive the second reciprocating screw rod 52 to rotate to make the first nut 53 drive The deflection of the first telescopic rod 54 prompts the support block 55 to contact the ground, and then the first reciprocating screw rod 51 is driven to rotate through the counterclockwise rotation of the bidirectional motor 3 and the worm 4, which impels the second nut 74 to drive the pull rod 73 to move up and down, and then the cylinder 76 The expansion and contraction drives the third telescopic rod 75 to deflect, through the cooperation of the second telescopic rod 71 and the third telescopic rod 75, the goods in the cargo box are moved onto the cover plate 9, and the goods are moved to the inside of the frame 8 through the inclined cover plate 9 After the loading is completed, the third telescopic rod 75 is deflected by the cooperation of the second telescopic rod 71 and the third telescopic rod 75, and the third telescopic rod 75 is deflected so that the projection 78 is stuck in the chute 10 and moved, so that the cover plate 9 The deflection squeezes the goods on the cover plate 9 to the frame 8, and then engages with the frame 8 through the socket 79 to increase the overall stability of the device;

S2: Then use the bidirectional motor 3 to rotate clockwise and cooperate with the cylinder 76 to ensure that the position of the third telescopic rod 75 will not change, and then rotate the second reciprocating screw rod 52 to cause the first telescopic rod 54 to deflect and cause the support block 55 to separate from the ground , and then move the device through the roller 2;

S3: After moving the device to the designated position, the two-way motor 3 rotates clockwise and cooperates with the first reciprocating screw rod 51 to drive the second reciprocating screw rod 52 to rotate, so that the first nut 53 drives the first telescopic rod 54 to deflect, so that the support block 55 and the first telescopic rod 54 are deflected. Ground contact, and the height of the front side of the device is adjusted by the deflection of the first telescopic rod 54, so that the height of the two rollers 2 on the front side of the device is 1.3 times the height of the two rollers 2 on the rear side, and then driven by the contraction of the cylinder 76 The deflection of the third telescopic rod 75 impels the cover plate 9 to open for unloading.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (6)

1. A mechanical cart convenient for loading and unloading goods, comprising a perforated support plate (1), characterized in that: the bottom surface of the perforated support plate (1) is provided with rollers (2), and the perforated support plate ( 1) The middle part of the top surface is fixedly connected with a bidirectional motor (3), one end of the rotating shaft of the bidirectional motor (3) is fixedly connected with a worm (4), and the inner part of the perforated support plate (1) is connected with a transmission mechanism (5), the left and right sides of the support plate with holes (1) are fixedly connected with a fixed plate (6), and the side of the fixed plate (6) is rotatably connected with a swing mechanism (7). The top surface of the plate (1) is fixedly connected with a frame (8), and the rear side of the perforated support plate (1) is hinged with a cover plate (9), and the left and right sides of the cover plate (9) are provided with sliding slot (10), the side of the cover plate (9) is movably inserted with a plug-in plate (11), and the front side of the perforated support plate (1) is fixedly connected with a push handle (12), and the push handle ( The side of 12) is fixedly connected with connecting plate (13), and the side of described connecting plate (13) is hinged with arc-shaped plate (14), and the side of described arc-shaped plate (14) passes spring and connecting plate (13) side joints; The transmission mechanism (5) includes a first reciprocating screw rod (51), the side of the first reciprocating screw rod (51) is connected with the inner rotation of the support plate (1) with holes, and the first reciprocating screw rod ( 51) The middle part of the side is fixedly sleeved with a worm wheel (57), the worm wheel (57) is engaged with the worm (4), and both ends of the first reciprocating screw rod (51) are rotationally connected with a second reciprocating screw (52), the side of the second reciprocating screw (52) is movably sleeved with a first nut (53), and the side of the first nut (53) slides with the inside of the support plate (1) connected, the side of the first nut (53) is hinged with a first telescopic rod (54), and the end of the first telescopic rod (54) away from the first nut (53) is hinged with a support block (55), the The side of the first telescopic rod (54) is rotatably connected with an L-shaped rod (56), and the end of the L-shaped rod (56) away from the first telescopic rod (54) is fixedly connected to the bottom surface of the support plate with holes (1); The swing mechanism (7) includes two second telescopic rods (71), the sides of the second telescopic rods (71) are rotationally connected with the side faces of the fixed plate (6), and the bottom surface of the second telescopic rods (71) A sliding rod (72) is hinged on the front side of the sliding rod (72), and a pull rod (73) is hinged on the bottom end of the sliding rod (72), and a second nut (74) is hinged on the end of the pulling rod (73) away from the sliding rod (72). , the inner wall of the second nut (74) is movably socketed with the side of the first reciprocating screw rod (51), the rear end of the second telescopic rod (71) is hinged with a third telescopic rod (75), the The top surface of the second telescopic rod (71) is hinged with a cylinder (76), and the end of the cylinder (76) away from the second telescopic rod (71) is hinged with the end of the third telescopic rod (75). The opposite sides of the three telescopic rods (75) are fixedly connected with connecting rods (77), and the opposite sides of the two third telescopic rods (75) are fixedly connected with projections (78). The side of (75) offers jack (79). 2. A mechanical cart convenient for loading and unloading goods according to claim 1, characterized in that: the number of the rollers (2) is four, and the height of the two rollers (2) on the front side is higher than that of the two rollers on the rear side 0.8 times of the height of the roller (2). 3. A mechanical trolley convenient for loading and unloading goods according to claim 1, characterized in that: the number of the support blocks (55) is two, and the two support blocks (55) are about the connecting plate (13) Symmetrically, the bottom surface of the support block (55) is provided with anti-skid lines. 4. A mechanical cart convenient for loading and unloading goods according to claim 1, characterized in that: the shape of the support plate with holes (1) is L-shaped, and the vertical plate of the support plate with holes (1) The rear side is fixedly connected with a baffle (15), and the side of the baffle (15) is slidably connected with the side of the slide bar (72). 5. A mechanical cart convenient for loading and unloading goods according to claim 1, characterized in that: the shape of the frame (8) is C-shaped, and the rear end of the frame (8) and the socket (79) are in the on the same vertical plane. 6. A mechanical cart convenient for loading and unloading goods according to claim 3, characterized in that: the method of using the mechanical cart comprises the following steps: S1: Move the device to the designated position, pull out the insert plate (11) from the cover plate (9), rotate clockwise through the bidirectional motor (3) and cooperate with the first reciprocating screw rod (51) to drive the second reciprocating screw rod (52) Rotation prompts the first nut (53) to drive the first telescopic rod (54) to deflect, prompting the support block (55) to contact the ground, and then the two-way motor (3) rotates counterclockwise and cooperates with the worm (4) to drive the first reciprocating The screw mandrel (51) rotates, prompting the second nut (74) to drive the pull rod (73) to move up and down; The telescopic rod (75) cooperates to move the goods in the container to the cover (9), and the inclined cover (9) promotes the movement of the goods to the inner side of the frame (8). After the loading is completed, the second telescopic rod (71) Cooperate with the third telescopic rod (75) to make the third telescopic rod (75) deflect, and through the deflection of the third telescopic rod (75), the projection (78) will be stuck in the chute (10) and moved, so that the cover The deflection of the plate (9) squeezes the goods on the cover plate (9) to the frame (8), and then engages with the frame (8) through the socket (79), increasing the overall stability of the device; S2: Then rotate clockwise through the bidirectional motor (3) and cooperate with the cylinder (76) to ensure that the position of the third telescopic rod (75) will not change, and then rotate the second reciprocating screw rod (52) to promote the first telescopic rod ( 54) The deflection prompts the support block (55) to separate from the ground, and then the device is moved by the rollers (2); S3: After moving the device to the designated position, the two-way motor (3) rotates clockwise and cooperates with the first reciprocating screw rod (51) to drive the second reciprocating screw rod (52) to rotate to make the first nut (53) drive the first telescopic The deflection of the rod (54) impels the support block (55) to contact the ground, and adjusts the height of the front side of the device by the deflection of the first telescopic rod (54), so that the height of the two rollers (2) on the front side of the device is the rear. 1.3 times of the height of the two rollers (2) on the side, and then the shrinkage of the cylinder (76) drives the deflection of the third telescopic rod (75) to impel the cover plate (9) to open for unloading.

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