CN217598647U - Transfer trolley - Google Patents

Abstract

The utility model discloses a transfer trolley, which comprises a bearing body, wherein a supporting structure is connected on the bearing body, the supporting structure is provided with a top part and a bottom part, the top part of the supporting structure is higher than the top surface of the bearing body, and the bottom part of the supporting structure is lower than the bottom surface of the bearing body; when two transport dollies stack, limit structure is formed with the top of the bearing structure of lower floor's transport dolly to the bottom of upper strata transport dolly bearing structure. The supporting structure is a plurality of supporting rods connected to the edge of the bearing body, and the supporting rods are connected to the transfer trolley, so that the transfer trolleys can be stacked, the space utilization rate of the transfer trolley during storage is improved, and the space occupation of the transfer trolley during storage is reduced; because the bracing piece is connected at the supporting body edge, does not occupy the space on the bearing plane, therefore the bracing piece can not cause the influence to the goods bearing space of transporting the dolly when realizing the vertical function of piling up of dolly.

Description

Transfer trolley

Technical Field

The utility model belongs to the technical field of article transportation, a dolly is transported to dull and stereotyped is related to.

Background

In the modern automobile manufacturing process, in the logistics transportation process of each workshop of automobile manufacturing, need put material station utensil and transport on transporting the Dolly Dolly, the transportation mode has a plurality ofly, one kind mode is that use intelligent unmanned AGV to pull the station utensil that the Dolly Dolly loaded and transport, another kind is that use manually driven tractor to carry out the Dolly Dolly and transport, impel the necessity of Dolly using the Dolly Dolly in each workshop logistics transportation process, but the Dolly Dolly of daily use at present does not design a plurality of stacks, when causing the daily not use of Dolly Dolly, a plurality of Dolly Dolly dollies can not stack simultaneously, so not only occupation space is great, waste production storehouse effective usable floor area simultaneously. If the Dolly trolley is designed to be in a stacking mode, the Dolly trolley can be stacked and stored in multiple layers when not used, and therefore occupied space and storage area are effectively saved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transport dolly solves the problem that the multilayer stack about the transport dolly can not.

A transfer trolley comprises a bearing body, wherein a supporting structure is connected onto the bearing body, the supporting structure is provided with a top and a bottom, the top of the supporting structure is higher than the top surface of the bearing body, and the bottom of the supporting structure is lower than the bottom surface of the bearing body; when two transport dollies stack, limit structure is formed with the top of the bearing structure of lower floor's transport dolly to the bottom of upper strata transport dolly bearing structure.

Optionally, the support structure comprises a support bar fixedly connected at a corner position of the carrier body.

Optionally, a corner position of the supporting body is connected with a limiting angle bead, and the supporting rod is fixedly connected to the outer side of the limiting angle bead.

Optionally, the bottom of the support bar is provided with a support foot.

Optionally, the supporting legs include narrow upper and wide lower cushion caps, and the cushion caps are connected to the bottoms of the cushion caps.

Optionally, a clamping groove is formed at the bottom of the bearing platform and matched with the top of the supporting rod.

Optionally, the supporting structure is a limiting corner protector fixedly connected at a corner position of the supporting body.

Optionally, the limiting corner protector comprises a transverse plate and a longitudinal plate, and the plate surfaces of the transverse plate and the longitudinal plate are perpendicular to the top surface of the carrier.

Optionally, the top of the limiting angle bead is provided with a limiting column, the bottom of the limiting angle bead is provided with a limiting hole, and the limiting column is matched with the limiting hole.

Optionally, one side of the bottom of the supporting body is connected with two universal wheels, and the other side of the bottom of the supporting body is connected with a directional wheel, and the universal wheels are provided with locking devices.

The beneficial effects of the utility model include:

1. the utility model discloses a bracing piece is connected on the transport dolly for a plurality of transport dollies can realize piling up and place, have improved the space utilization when transporting the dolly storage, have reduced the space occupation when transporting the storage of dolly;

2. the supporting rods are arranged at the peripheral edge positions of the transfer trolley, so that the space on the bearing plane of the transfer trolley is not occupied, and the supporting rods can not influence the cargo bearing space of the transfer trolley while realizing the vertical stacking function of the trolley;

3. through connect a plurality of bracing pieces alright in order to realize stacking of a plurality of transportation dollies on transporting the dolly, processing, reform transform low cost, can extensively be used for existing transportation dolly with newly make transport the dolly on, have great application scope, can the wide use.

Drawings

Fig. 1 is an isometric view of an exemplary embodiment of the invention.

Fig. 2 is an isometric view of the embodiment of fig. 1 from another angle.

Fig. 3 is a side view of the embodiment of fig. 1.

In the figure: 1. a carrier; 2. a cover plate; 3. limiting and protecting corners; 4. a traction handle; 5. a traction part; 6. a universal wheel; 7. A directional wheel; 8. a support bar; 9. supporting legs; 10. a clamping groove.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The utility model provides a transport dolly, is connected with four wheels including the supporting body that is used for bearing the weight of the goods, the bottom of supporting body. In an alternative embodiment, the carrier may be a carrier plate.

As shown in fig. 1, which is an exemplary embodiment of the present disclosure, the carrier includes a carrier frame 1 and a covering plate 2 laid on the top surface of the carrier frame 1.

The bearing frame 1 comprises a plurality of longitudinal rods arranged at intervals and a plurality of transverse rods arranged at intervals, two ends of each transverse rod are fixedly connected with the two longitudinal rods respectively, and two ends of each longitudinal rod are also fixedly connected to the two transverse rods respectively. The longitudinal bars and the transverse bars extend along the plane direction at the two ends, and the top surfaces of the longitudinal bars and the transverse bars are approximately in the same plane, so that the top surfaces of the longitudinal bars and the transverse bars can form a bearing plane. The bearing frame 1 composed of the rod pieces meets the structural strength required by the transportation of goods, namely, the bearing capacity requirement of the bearing body is ensured, the weight of the bearing body is effectively reduced, and the transfer efficiency of the trolley is improved; on the other hand, when a plurality of cargos are loaded on the bearing body, or cargos with larger sizes are loaded, or other cargos needing to be fixed by the ropes, the transverse rods and the longitudinal rods are convenient to connect and fix the ropes, so that the cargos are kept stable in the moving process of the trolley.

The longitudinal rod and the transverse rod can be solid rods or hollow pipes, and on the basis of ensuring the requirement of sufficient strength, the hollow pipes are preferably adopted to reduce the weight of the transfer trolley and facilitate the use, stacking and storage of the trolley.

In this embodiment, the transverse bar and the longitudinal bar are both square tubes.

As shown in fig. 3, since the loading frame 1 is composed of the transverse bars and the longitudinal bars connected together, and the grid formed by the space between the transverse bars and the longitudinal bars is not suitable for placing objects with smaller size or flexible objects, the two sides of the top surface of the loading frame 1 are respectively laid with covering plates 2, and two relatively independent plate areas are formed on the loading frame 1 for placing objects with smaller size and flexible objects. If necessary, the top of the loading frame 1 can be completely laid with the covering plate 2, forming a complete loading plane.

Preferably, the covering plate 2 is a checkered plate. The checkered plate can increase the friction degree of the plane and improve the stability of goods on the bearing plane.

Preferably, a rubber pad is laid on the top surface of the covering plate 2 to improve the anti-slip effect of the surface of the covering plate 2.

One end of the bearing frame 1 is hinged with a traction handle 4 for dragging and dragging the transfer trolley. The other end of the bearing frame 1 is fixedly connected with a traction part 5, and a fixing pin is inserted on the traction part 5. Pull handle 4 can be connected to traction portion 5 through the fixed pin on, realize two or more transfer dolly connect in order, especially can realize once transporting many goods, improve the transportation efficiency of goods.

Two universal wheels 6 are arranged on one side of the bottom of the bearing frame 1 close to the traction handle 4, and two directional wheels 7 are arranged on one side close to the traction part 5. The universal wheels 6 enable the transfer trolley to have steering capacity, usability and controllability of the trolley are improved, and the directional wheels 7 keep stability of the trolley moving along a straight line when the trolley moves in the straight line. Meanwhile, all wheels need to be provided with locking devices, so that the stability of the trolley during parking and the stability of the trolley during loading and unloading of goods are guaranteed, and the interference of the rotating wheels on the action of the stacked trolley is avoided when the trolleys are stacked together.

Specifically, the diameter of the universal wheel 6 is smaller than that of the directional wheel 7, the universal wheel 6 with the smaller diameter is beneficial to steering operation, and the larger directional wheel 7 has better stability.

In order to enable a plurality of transfer trolleys to be stacked together, reduce the occupied area of the plurality of transfer trolleys and improve the space utilization rate of storage of the transfer trolleys, the bearing frame 1 is connected with a supporting structure.

The supporting structure comprises four supporting rods 8 which are respectively fixedly connected with four vertex angle positions of the bearing frame 1, the two ends of each supporting rod 8 extend along the direction perpendicular to the top surface of the bearing frame 1, the length of each supporting rod 8 is larger than the thickness of the plate of the bearing frame 1, namely, the top of each supporting rod 8 is higher than the top of the bearing frame 1, and the bottom of each supporting rod 8 is lower than the bottom of the bearing frame 1.

It should be noted that the support rods 8 are connected to the peripheral end surfaces of the two ends of the loading frame 1, and do not occupy the loading space at the top of the loading frame 1.

The bottom of the support bar 8 is fixedly connected with a support foot 9.

The supporting feet 9 comprise bearing platforms. In this embodiment, the bearing platform is a frustum of prism structure with a narrow top and a wide bottom, the bearing platform has a top surface, the top surface of the bearing platform is fixedly connected with the bottom of the support rod 8, and the area of the top surface of the bearing platform is not smaller than the area of the bottom of the support rod 8 or the area of the cross section of the support rod 8, so that the bearing platform can better bear the pressure applied by the support rod 8. The cushion cap bottom is formed with draw-in groove 10, and the projected area of the plane figure of draw-in groove 10 lateral wall periphery enclose to close formation is slightly greater than the sectional area on bracing piece 8 upper portion on the horizontal plane, therefore the upper portion of bracing piece 8 can peg graft in draw-in groove 10, can cup joint the bracing piece 8 top at the dolly of lower floor through the draw-in groove 10 with the cushion cap bottom of upper floor's dolly like this, consequently the formation limit structure of the bracing piece 8 of two dollies from top to bottom, upper floor's dolly alright stack on the bracing piece 8 of dolly of lower floor with stable.

The bottom of the bearing platform is also connected with a protective foot, the protective foot is fixedly connected with the periphery of the bottom of the bearing platform, the protective foot is provided with continuous side walls which are connected end to end, two ends of each side wall of the protective foot extend in the direction perpendicular to the horizontal plane, the arrangement of the protective foot can effectively improve the strength of the bottom of the bearing platform, and the deformation condition of the bottom of the bearing platform when the bottom of the bearing platform is stressed is reduced.

In this embodiment, the bearing platform includes a top plate and inclined plates fixedly connected to edges of the top surface, the inclined plates are sequentially and fixedly connected along a circumference of the top surface of the bearing platform, and an inward concave space formed by inner side surfaces of the inclined plates and a ground surface of the top plate is the clamping groove.

In another alternative embodiment, the platform may also be a truncated cone structure with a narrow top and a wide bottom.

As shown in fig. 2, the distance from the bottom of the foot guard to the top of the support rod 8 is greater than the distance from the bottom of the wheel to the bottom of the bearing body, so that when two trolleys are stacked, the bottom of the wheel of the upper trolley is not in contact with the trolley which gets off, the stability of the upper trolley is kept, and particularly when the upper trolley is taken off, the upper trolley cannot move due to the fact that the wheels of the upper trolley are in contact with the trolley which gets off, and potential safety hazards are generated.

Furthermore, the sum of the length of the part of the supporting rod 8 below the bottom surface of the bearing frame 1 and the height of the bearing platform and the foot protector is smaller than the distance from the bottom of the trolley wheel to the bottom surface of the bearing frame 1, namely, the bottom of the foot protector is higher than the bottom of the trolley wheel, in other words, when the trolley is placed on the ground, the foot protector is positioned above the ground and does not contact with the ground, and the movement of the trolley on the ground is not influenced.

The bearing frame 1 is provided with four corners, and the four corners are fixedly connected with limiting angle protectors 3. The limiting angle bead 3 is of an L-shaped structure consisting of a longitudinal plate and a transverse plate which are connected in a mutually perpendicular mode, wherein two ends of the longitudinal plate extend along the longitudinal direction, two ends of the transverse plate extend along the transverse direction, and the plate surfaces of the longitudinal plate and the transverse plate are perpendicular to the top of the bearing frame 1. The position-limiting corner bead 3 forms a position limitation for the articles placed on the loading frame 1.

Specifically, the length of the support bar 8 is 290mm-310mm. The support rod 8 is fixedly connected to the outer side wall of the limiting angle bead 3. In order to ensure the connection reliability of the support rod 8, the support rod 8 is in full-welding connection with the limiting angle bead 3.

In alternative embodiments, the support bar 8 is arranged in the middle of the carriage 1, and in these embodiments, it is preferable to rotatably connect the support bar 8 to the carriage 1, so that the support bar 8 can be accommodated when the support bar 8 is not needed, so as to reduce the occupation of the carrying space of the carriage 1.

In another alternative embodiment, the support structure on the carrier is a retaining bead 3 at the corner position of the carrier. In the present embodiment, the top of the longitudinal plate and the transverse plate of the position-limiting angle bead 3 is higher than the top surface of the carrier, and the bottom is lower than the bottom of the carrier, i.e. the length of the longitudinal plate and the transverse plate in the vertical direction is greater than the height of the carrier. The top parts of the longitudinal plates and the transverse plates are flush, and the bottom parts of the longitudinal plates and the transverse plates are also on the same horizontal plane. The top surfaces of the longitudinal plate and the transverse plate are provided with a plurality of vertical limiting rods, a plurality of limiting holes are formed in the bottom surfaces of the longitudinal plate and the transverse plate, the limiting rods can be inserted into the limiting holes, and the limiting rods on the limiting angle bead 3 correspond to the limiting holes one to one. When two transport trolleys are stacked together, the limiting rod on the top surface of the lower trolley limiting angle bead 3 is inserted into the limiting hole on the bottom surface of the upper trolley limiting angle bead 3 to form a limiting structure, so that the two transport trolleys are stably stacked.

In this embodiment, the length of the limiting angle bead 3 in the vertical direction is greater than the height from the bottom of the trolley wheel to the top surface of the bearing body, so as to ensure the stability of two transfer trolleys stacked up and down.

It should be noted that the carrier may be formed of other flat plate structures having a carrying capacity.

The foregoing description and description of the embodiments are provided to facilitate understanding and application of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications can be made to these teachings and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. The present invention is not limited to the above description and the description of the embodiments, and modifications and changes made by those skilled in the art without departing from the scope of the present invention should be considered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a transport dolly, includes the supporting body, its characterized in that: the supporting body is connected with a supporting structure, the supporting structure is provided with a top part and a bottom part, the top part of the supporting structure is higher than the top surface of the supporting body, and the bottom part of the supporting structure is lower than the bottom surface of the supporting body; when two transport dollies stack, limit structure is formed with the top of the bearing structure of lower floor's transport dolly to the bottom of upper strata transport dolly bearing structure.

2. A transfer trolley according to claim 1, characterised in that: the supporting structure comprises a supporting rod fixedly connected to the corner position of the bearing body.

3. A transfer trolley according to claim 2, characterised in that: the corner position of the bearing body is connected with a limiting angle bead, and the supporting rod is fixedly connected to the outer side of the limiting angle bead.

4. A transfer trolley according to claim 2 or 3, wherein: the bottom of the supporting rod is provided with supporting legs.

5. A transfer trolley according to claim 4, wherein: the supporting legs comprise bearing platforms with narrow upper parts and wide lower parts, and the bottoms of the bearing platforms are connected with the protection legs.

6. A transfer trolley according to claim 5, characterised in that: the bearing platform is characterized in that a clamping groove is formed at the bottom of the bearing platform and matched with the top of the supporting rod.

7. A transfer trolley according to claim 1, characterised in that: the supporting structure is a limiting angle bead fixedly connected to the corner position of the bearing body.

8. A transfer trolley according to claim 7, wherein: the limiting angle bead comprises a transverse plate and a longitudinal plate, and the plate surfaces of the transverse plate and the longitudinal plate are perpendicular to the top surface of the bearing body.

9. A transfer trolley according to claim 8 wherein: the top of the limiting angle bead is provided with a limiting column, the bottom of the limiting angle bead is provided with a limiting hole, and the limiting column is matched with the limiting hole.

10. A transfer trolley according to claim 2 or 3 or 7, wherein: one side of the bottom of the bearing body is connected with two universal wheels, the other side of the bottom of the bearing body is connected with a directional wheel, and the universal wheels are provided with locking devices.

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