CN220245481U - Lifting platform structure for cruising transportation trolley - Google Patents

Abstract

The utility model discloses a lifting platform structure for a cruising transportation trolley, and particularly relates to the technical field of transportation vehicles. According to the lifting platform structure for the cruising transport trolley, the lifting structure arranged at the upper end of the cruising transport trolley can drive the material tray and the goods to integrally lift, so that the lifting platform structure can be suitable for heights of different material platforms in the process of transporting the goods, and the application range of equipment is improved; meanwhile, the goods are fixed in the transportation process by utilizing the goods fixing and pushing structure, and the goods can be pushed to the appointed position when transported in place, so that the transportation efficiency is improved.

Description

Lifting platform structure for cruising transportation trolley

Technical Field

The utility model relates to the technical field of transport vehicles, in particular to a lifting platform structure for a cruising transport trolley.

Background

The cruiser is an automatic guided carrier which can move forward to a preset designated position according to a preset route and carry cargoes in a reciprocating way among multiple points, is a common cargo carrying means in the modern production process, but the conventional cruiser cannot be suitable for material collecting and releasing platforms with different heights, so that a lifting platform structure for lifting and lowering the height of cargoes used on the transportation cruiser is needed.

The Chinese patent document CN215886194U discloses a lifting device of an automatic navigation transport vehicle, which comprises a base plate, a motor, a speed reducer, a driving wheel, a driven screw rod, a synchronous wheel, a synchronous belt and a jacking mechanism, wherein the motor, the speed reducer, the driving wheel, the driven screw rod, the synchronous wheel, the synchronous belt and the jacking mechanism are arranged on the base plate; an output shaft of the motor is connected with an input end of the speed reducer; the output end of the speed reducer is connected with the driving wheel; the two driven screw rods are arranged in parallel at two opposite sides of the driving wheel; the two synchronous wheels are respectively and coaxially arranged with the two driven screw rods; the four jacking mechanisms are respectively connected with two ends of the two driven screw rods in a threaded manner; the driving wheel and the two synchronous wheels are linked through a synchronous belt, so that the power supply motor drives the two driven screw rods to rotate, and the rotation of the two driven screw rods is used for driving the four jacking mechanisms to synchronously lift; the four lifting mechanisms are driven by one motor, so that the space utilization rate of the lifting device is greatly improved, and the problem that the space utilization rate of the existing lifting device is low is practically solved.

The equipment in above-mentioned document is high, but relative structure is complicated, and the goods platform can't play the fixed action to the goods, appears the problem of turning over easily in the transportation.

Disclosure of Invention

The utility model mainly aims to provide a lifting platform structure for a cruising transportation trolley, which can effectively solve the problem that the existing lifting transportation trolley has poor effect of fixing goods in the transportation process.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a lifting platform structure for travelling transportation trolley, includes the travelling transportation trolley, the bilateral symmetry of travelling transportation trolley upper end is provided with elevation structure, two elevation structure upper end is provided with the material tray jointly, material tray lower extreme bilateral symmetry fixedly connected with tray landing leg, the guide way that is linked together rather than the inner chamber is offered to material tray upper end bilateral symmetry, material tray upper end and inner chamber are provided with goods fixed propelling movement structure jointly, material tray upper end movable mounting has the goods.

Preferably, the lifting structure comprises a supporting rod chute, a first threaded rod is connected to the front portion and the rear portion of an inner cavity of the supporting rod chute in a rotating mode, a supporting structure is connected to the front portion and the rear portion of the first threaded rod in a threaded mode, the outer surfaces of the two supporting structures are connected with the surface of the inner cavity of the supporting rod in a sliding mode, a worm wheel is fixedly connected to the middle portion of the outer surface of the first threaded rod, and a worm is meshed to the bottom of the outer surface of the worm wheel.

Preferably, the middle parts of one ends of the two support rod sliding grooves, which are close to each other, are respectively fixedly connected with a cross beam, one ends of the two cross beams, which are close to each other, are jointly and fixedly connected with a first driving motor, and the two worms respectively penetrate through the inner cavities of the support rod sliding grooves, extend to the inner cavities of the worms and are fixedly connected with two output ends of the first driving motor through a coupling.

Preferably, the supporting structure comprises a first sliding block, a threaded groove communicated with the left end and the right end of the first sliding block is in threaded connection with an outer surface of the threaded rod, the upper portion, the lower portion and the rear portion of the outer surface of the first sliding block are all in sliding connection with the inner surface of the sliding groove of the supporting rod, a first supporting rod and a second supporting rod are rotatably connected to the middle portion of one end, close to the cross beam, of the first sliding block, one end, far away from the first sliding block, of the supporting rod is rotatably connected with the bottom end of the material tray, and one end, far away from the first sliding block, of the second supporting rod is rotatably connected with the upper end of the cruising transport vehicle.

Preferably, the goods fixing and pushing structure comprises two fixing pushing rods, two sliding columns are fixedly connected to the middle of the bottom end of each fixing pushing rod, two sliding columns are respectively connected to the upper portions of the outer surfaces of the sliding columns in a sliding mode with the inner surfaces of guide grooves on the same side, traction assemblies are fixedly connected to the lower portions of the outer surfaces of the sliding columns, two sliding blocks are fixedly connected to one ends, close to each other, of the traction assemblies respectively, two sliding blocks are fixedly connected with a second threaded rod through threaded grooves in a threaded mode, two front ends of the threaded rods are fixedly connected with a second driving motor, two front ends of the second driving motor are fixedly connected to the front portions of the inner surfaces of the material trays, and the rear ends of the second threaded rods are rotatably connected to the rear portions of the inner surfaces of the material trays.

Preferably, the traction assembly comprises a movable rod and a fixed rod, the outer surface of the movable rod is slidably connected with the inner surface of the fixed rod, an extension spring is fixedly connected to the opposite sides of the inner cavity of the movable rod and the opposite sides of the fixed rod, the fixed rod is fixedly connected to the opposite sides of the sliding block, and one end of the movable rod, far away from the second sliding block, penetrates through the inner cavity of the fixed rod and is fixedly connected with the lower portion of the outer surface of the sliding column.

Preferably, two fixed push rod are L type, two fixed push rod is located the rear portion time interval and is less than the width of goods, two fixed push rod is located the front portion time interval and is greater than the width of goods.

Preferably, the distance between the rear parts of the two guide grooves is smaller than the distance between the front parts of the two guide grooves.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the lifting structure arranged at the upper end of the cruising transport vehicle can drive the material tray and the goods to integrally lift or descend, so that the device can be suitable for heights of different material platforms in the process of transporting the goods, the application range of the device is improved, meanwhile, the goods can be fixed in the process of transporting by utilizing the goods fixing and pushing structure, and the goods can be integrally pushed to a designated position under the action of the goods fixing and pushing structure when being transported in place, so that the convenience is improved, and the transportation efficiency is improved.

2. According to the utility model, through the clamping and fixing of the two cargoes, the shaking or sliding of the cargoes can be reduced when the transporting and supporting structure drives the material tray to lift up and down, the problem that the cargoes slide down in the transporting process is avoided, and the related loss is reduced; meanwhile, the goods can be pushed to the designated position after reaching the preset place through the cooperation of the second driving motor, so that the working efficiency is improved, and the working flows of other equipment are reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic diagram of the front view of the present utility model;

FIG. 4 is an enlarged schematic view of the partial structure of FIG. 3A according to the present utility model;

FIG. 5 is a schematic diagram of an article fixing and pushing structure of the present utility model;

fig. 6 is an enlarged schematic view of a partial structure at B in fig. 5 according to the present utility model.

In the figure: 1. a cruising transport vehicle; 2. a lifting structure; 21. a support rod chute; 22. a support structure; 221. a first support rod; 222. a first sliding block; 223. a second support rod; 23. driving a first motor; 24. a worm; 25. a worm wheel; 26. a first threaded rod; 27. a cross beam; 3. a material tray; 31. tray support legs; 32. a guide groove; 4. a goods fixing and pushing structure; a fixed push rod 41; 42. a sliding column; 43. a traction assembly; 431. a movable rod; 432. a fixed rod; 433. a tension spring; 44. a second slide block; 45. a second threaded rod; 46. a second driving motor; 5. and (5) cargo.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 and 2, the lifting platform structure for the cruising transportation trolley comprises a cruising transportation trolley 1, lifting structures 2 are symmetrically arranged at the left and right ends of the cruising transportation trolley 1, material trays 3 are commonly arranged at the upper ends of the two lifting structures 2, tray supporting legs 31 are fixedly connected to the lower ends of the material trays 3 in a bilateral symmetry manner, guide grooves 32 communicated with inner cavities of the material trays are symmetrically arranged at the upper ends of the material trays 3 in a bilateral symmetry manner, goods fixing pushing structures 4 are commonly arranged at the upper ends and the inner cavities of the material trays 3, and goods 5 are movably mounted at the upper ends of the material trays 3.

It should be noted that, the above-mentioned cruising transport vehicle 1 is a transport device capable of cruising automatically, mainly comprising a vehicle body, wheels, a controller, a battery and other structures, and capable of carrying corresponding materials between two points to carry out reciprocating running, and is a common automatic transport device in the existing industrial production, and is applied to various large automation enterprises, belonging to mature technical means.

In order to enable the cruising transport vehicle 1 to have the functions of lifting and lowering the height of the goods 5, as shown in fig. 2 and 3, the lifting structure 2 comprises a supporting rod chute 21, a first threaded rod 26 is connected to the front part and the rear part of the inner cavity of the supporting rod chute 21 in a rotation mode, the front surface and the rear surface of the first threaded rod 26 are symmetrically connected with supporting structures 22 in a threaded mode, the outer surfaces of the two supporting structures 22 are slidably connected with the inner cavity surface of the first supporting rod 221, a worm wheel 25 is fixedly connected to the middle of the outer surface of the first threaded rod 26, and a worm 24 is meshed to the bottom of the outer surface of the worm wheel 25.

In order to realize the driving of the lifting function of the goods 5, as shown in fig. 3 and 4, the middle parts of the ends of the two support rod sliding grooves 21, which are close to each other, are respectively and fixedly connected with a cross beam 27, the ends of the two cross beams 27, which are close to each other, are jointly and fixedly connected with a first driving motor 23, and two worms 24 respectively penetrate through the inner cavities of the support rod sliding grooves 21, extend to the inner cavities of the worms 24, and are fixedly connected with two output ends of the first driving motor 23 through a coupling.

It should be noted that, the first driving motor 23 is a dual-shaft motor, i.e. output shafts are disposed on the left side and the right side, and the rotation directions and angular speeds of the two sides are the same, so that the two worms 24 can be driven to rotate synchronously.

The first driving motor 23 can drive the two side worms 24 to rotate, so that the worm wheel 25 rotates under the action of the worm 24, the first threaded rod 26 fixedly connected with the worm wheel 25 can synchronously rotate along with the worm wheel 25, and the two support structures 22 in threaded connection with the two sides of the first threaded rod 26 are close to or far away from each other.

In order to achieve the lifting function, as shown in fig. 4, the supporting structure 22 includes a first slider 222, the first slider 222 is in threaded connection with the outer surface of the first threaded rod 26 through a threaded groove with two ends being communicated, the upper part, the lower part and the rear part of the outer surface of the first slider 222 are all in sliding connection with the inner surface of the supporting rod chute 21, the middle part of one end of the first slider 222, which is close to the cross beam 27, is rotationally connected with a first supporting rod 221 and a second supporting rod 223, one end of the first supporting rod 221, which is far away from the first slider 222, is rotationally connected with the bottom end of the material tray 3, and one end of the second supporting rod 223, which is far away from the first slider 222, is rotationally connected with the upper end of the cruising transport vehicle 1.

When the two support structures 22 are far away from each other, the first sliding block 222 drives the first supporting rod 221 and the second supporting rod 223 which are rotationally connected with the first sliding block to move from a horizontal state to a vertical state, so that the material tray 3 and the cruising transport vehicle 1 are driven to be far away from each other, and the goods 5 are driven to ascend; when the two supporting structures 22 are close to each other, the first sliding block 222 drives the first supporting rod 221 and the second supporting rod 223 which are rotatably connected with the first sliding block to move from the vertical state to the horizontal state, so as to drive the material tray 3 and the cruising transport vehicle 1 to be close to each other, and drive the goods 5 to rise.

In order to realize the functions of clamping and fixing the goods 5 when the goods 5 are transported and pushing the goods 5 to a designated position after the goods 5 reach the designated position, as shown in fig. 5 and 6, the goods fixing and pushing structure 4 comprises two fixing pushing rods 41, sliding columns 42 are fixedly connected to the middle parts of the bottom ends of the two fixing pushing rods 41, the upper parts of the outer surfaces of the two sliding columns 42 are respectively and slidably connected with the inner surfaces of guide grooves 32 on the same side, traction components 43 are fixedly connected to the lower parts of the outer surfaces of the two sliding columns 42, two sliding blocks 44 are fixedly connected to one ends, close to each other, of the two traction components 43, threaded rods 45 are connected to the two sliding blocks 44 through threaded grooves which are communicated back and forth in a threaded manner, driving motors 46 are fixedly connected to the front ends of the two threaded rods 45, and the front ends of the two driving motors 46 are fixedly connected to the front parts of the inner surfaces of the material trays 3, and the rear ends of the two threaded rods 45 are rotatably connected to the rear parts of the inner surfaces of the material trays 3.

In order to drive the two fixed push rods 41 to slide along the inner sides of the guide grooves 32, as shown in fig. 5 and 6, the traction assembly 43 comprises a movable rod 431 and a fixed rod 432, the outer surface of the movable rod 431 is slidably connected with the inner surface of the fixed rod 432, the opposite sides of the inner cavity of the movable rod 431 and the inner cavity of the fixed rod 432 are fixedly connected with extension springs 433 together, the opposite sides of the fixed rod 432 and the second slider 44 are fixedly connected, and one end of the movable rod 431, far away from the second slider 44, penetrates through the inner cavity of the fixed rod 432 and is fixedly connected with the lower part of the outer surface of the sliding column 42.

When the second slider 44 drives the fixed rod 432 to move, the movable rod 431 moves horizontally back and forth along with the fixed rod 432 due to the sliding connection between the fixed rod 432 and the movable rod 431, and drives the sliding column 42 fixedly connected with the movable rod 431 to move forward, when the relative distance between the two guide grooves 32 is widened, the movable rod 431 extends outwards, so that the tension spring 433 is tightened, and when the relative distance between the two guide grooves 32 is narrowed, the movable rod 431 slides towards the inside of the fixed rod 432 under the action of the tension spring 433.

For realizing the clamping function to goods 5 and the function of pushing goods 5 to appointed place, two fixed push rods 41 are the L type, and the interval at two guide slot 32 rear portions is less than the interval at two guide slot 32 front portions, and two fixed push rods 41 are located the width that the rear time interval is less than goods 5, and two fixed push rods 41 are located the width that the front time interval is greater than goods 5.

After taking goods, the goods 5 are arranged at the upper end of the material tray 3 by external equipment, the second driving motor 46 drives the second threaded rod 45 to rotate, so that the second sliding block 44 slides backwards, the fixed pushing rods 41 and the sliding columns 42 are driven to slide backwards in the guide grooves 32 until the two fixed pushing rods 41 are contacted with the outer surface of the goods 5, the goods 5 are clamped, and the goods 5 are prevented from vibrating and falling in the transportation process, so that the transportation effect is prevented from being affected;

after the goods are reached, the second driving motor 46 drives the second threaded rod 45 to rotate, so that the second sliding block 44 slides forwards, the fixed pushing rods 41 and the sliding columns 42 are driven to slide forwards inside the guide grooves 32, at the moment, the opposite sides of the two fixed pushing rods 41 are not contacted with the goods 5, but the front parts of the outer surfaces of the two fixed pushing rods 41 are contacted with the rear parts of the goods 5, and accordingly the goods 5 are pushed to move forwards until reaching a designated place, and the goods 5 are automatically transported to the designated place by the transport vehicle.

The working principle of the utility model is as follows:

the cruising transport vehicle 1 cruises to a designated place, the first threaded rod 26 is driven to rotate by the first driving motor 23, so that the two supporting structures 22 on the same side are mutually far away, the first supporting rod 221 and the second supporting rod 223 are converted from a horizontal state to a vertical state, so that the bottom end of the material tray 3 and the upper end of the cruising transport vehicle 1 are mutually far away, the lifting effect is realized, when the cruising transport vehicle reaches a preset height, the goods 5 are received to the upper end of the material tray 3 due to the fact that the acting equipment of the worm 24 and the worm wheel 25 is highly locked, and the goods 5 can be fixed at the upper end of the material tray 3 by clamping the goods 5 through the fixed pushing rod 41;

the first driving motor 23 is reversely rotated to enable the material tray 3 to descend until the tray supporting legs 31 are in contact with the upper end of the cruising transport vehicle 1, and the material tray is transported to a designated place through the cruising transport vehicle 1;

after the goods 5 reach the unloading place, the goods 5 are lifted to a preset height through the lifting structure 2, the second slider 44 is driven to slide through the second driving motor 46, the second slider 44 drives the fixed pushing rod 41 to slide on the inner side of the material tray 3 through the traction assemblies 43 on the two sides, and the goods 5 are loosened and then pushed forwards along the material tray 3 until being pushed to the conveying mechanism of the unloading place.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a lift platform structure for transportation trolley cruises, includes transportation trolley (1), its characterized in that: the utility model discloses a material pallet (3), including material pallet (3), cruising transport vechicle (1) upper end bilateral symmetry is provided with elevation structure (2), two elevation structure (2) upper end is provided with material pallet (3) jointly, material pallet (3) lower extreme bilateral symmetry fixedly connected with tray landing leg (31), guide way (32) that are linked together rather than the inner chamber are offered to material pallet (3) upper end bilateral symmetry, material pallet (3) upper end and inner chamber are provided with goods fixed push structure (4) jointly, material pallet (3) upper end movable mounting has goods (5).

2. The lifting platform structure for a cruising transportation trolley according to claim 1, wherein: the lifting structure (2) comprises a supporting rod sliding groove (21), a first threaded rod (26) is connected to the front portion and the rear portion of an inner cavity of the supporting rod sliding groove (21) in a common rotation mode, supporting structures (22) are symmetrically connected to the front portion and the rear portion of the outer surface of the first threaded rod (26) in a threaded mode, the outer surfaces of the two supporting structures (22) are slidably connected with the inner cavity surface of the first supporting rod (221), a worm wheel (25) is fixedly connected to the middle portion of the outer surface of the first threaded rod (26), and a worm (24) is meshed to the bottom of the outer surface of the worm wheel (25).

3. The lifting platform structure for a cruising transportation trolley according to claim 2, wherein: the middle parts of one ends of the two support rod sliding grooves (21) close to each other are fixedly connected with a cross beam (27), one ends of the two cross beams (27) close to each other are fixedly connected with a first driving motor (23), and the two worms (24) penetrate through the inner cavities of the support rod sliding grooves (21) respectively, extend to the inner cavities of the worms (24) and are fixedly connected with two output ends of the first driving motor (23) through a coupler.

4. A lifting platform structure for a cruising transportation trolley according to claim 3, wherein: the supporting structure (22) comprises a first sliding block (222), the first sliding block (222) is in threaded connection with the outer surface of a first threaded rod (26) through a threaded groove communicated with the left end and the right end, the upper portion, the lower portion and the rear portion of the outer surface of the first sliding block (222) are in sliding connection with the inner surface of a supporting rod sliding groove (21), a first supporting rod (221) and a second supporting rod (223) are rotatably connected to the middle portion of one end, close to a cross beam (27), of the first sliding block (222), one end, far away from the first sliding block (222), of the first supporting rod (221) is rotatably connected with the bottom end of a material tray (3), and one end, far away from the first sliding block (222), of the second supporting rod (223) is rotatably connected with the upper end of a cruising transport vehicle (1).

5. The lifting platform structure for a cruising transportation trolley according to claim 1, wherein: the utility model provides a goods fixed propelling movement structure (4) includes two fixed propelling movement poles (41), two equal fixedly connected with slip post (42) in bottom middle part of fixed propelling movement pole (41), two slip post (42) surface upper portion respectively with guide way (32) internal surface sliding connection of homonymy, two equal fixedly connected with traction assembly (43) in slip post (42) surface lower part, two the one end that traction assembly (43) are close to each other is fixedly connected with slider two (44) jointly, threaded rod two (45) are connected with through the screw groove screw thread of intercommunication around slider two (44), threaded rod two (45) front end fixedly connected with driving motor two (46), driving motor two (46) front end and material tray (3) internal surface front portion fixedly connected, threaded rod two (45) rear end and material tray (3) internal surface rear portion rotate and be connected.

6. The lifting platform structure for a cruising transport trolley according to claim 5, wherein: the traction assembly (43) comprises a movable rod (431) and a fixed rod (432), wherein the outer surface of the movable rod (431) is in sliding connection with the inner surface of the fixed rod (432), an extension spring (433) is fixedly connected to the opposite sides of the inner cavity of the movable rod (431) and the opposite sides of the inner cavity of the fixed rod (432), the fixed rod (432) is fixedly connected to the opposite sides of the second sliding block (44), and one end, far away from the second sliding block (44), of the movable rod (431) penetrates through the inner cavity of the fixed rod (432) and is fixedly connected with the lower portion of the outer surface of the sliding column (42).

7. The lifting platform structure for a cruising transport trolley according to claim 6, wherein: two fixed push rod (41) are L type, two fixed push rod (41) are located the rear portion interval of time and are less than the width of goods (5), two fixed push rod (41) are located the anterior interval of time and are greater than the width of goods (5).

8. The lifting platform structure for a cruising transportation trolley according to claim 1, wherein: the distance between the rear parts of the two guide grooves (32) is smaller than the distance between the front parts of the two guide grooves (32).