CN220518302U - Modularized trolley suitable for workshop logistics transportation - Google Patents

Abstract

The utility model discloses a modularized trolley suitable for workshop logistics transportation, relates to equipment for transporting substances in factories, and aims to design and manufacture a modularized splicing combination trolley which can be widened, lengthened and heightened according to production requirements on the basis of the existing large-object supply trolley by analyzing the trolley. The traction device comprises a traction component, a bearing component, a walking component and a lengthening and widening and heightening component, wherein the traction component comprises a traction rod and a collision device, and the traction rod comprises a traction ring and a mounting and fixing component; the collision device comprises a mounting component backboard and a traction hanging buckle, and a traction hanging buckle connecting hole is formed in a traction hanging port; and mounting bolt holes are formed in the mounting component backboard. The method has the advantages that the existing large object supply trolley is used as a basis for manufacturing the modules, the modules with different models are used for combination and splicing, the variable size of the trolley is realized, the cutting, the loading posture change and the logistics appliance change of the trolley are correspondingly carried out, and the universality of the trolley is improved.

Description

A modular trolley suitable for workshop logistics transfer

Technical field

A modular trolley suitable for workshop logistics transfer. It is used for the transfer of workshop materials. It relates to equipment for material transfer in the factory area, especially in the technical field of design and manufacturing of transfer trolleys for parts in the workshop of automobile production plants.

Background technique

Trolleys include electric trolleys, logistics trolleys, etc., which mainly refer to material transportation tool carts. They have large load capacity, simple structure, easy maintenance, long service life, and can be automated. It is a transportation vehicle equipped with four casters. Unit mobile container equipment for storing materials is often used for logistics distribution in large supermarkets or logistics turnover between factory processes. Logistics trolleys are a tool for transportation in the logistics and production industries. They can make the best use of the production line space and can be equipped with 4 as needed. A movable wheel facilitates the flow of goods, and can be connected with a forklift by adding a connector. The logistics trolley is a logistics turnover container suitable for product circulation and temporary storage in workshops, warehouses, and stores. The logistics trolley is based on the structure. Different types of logistics trolleys can be divided into: fixed logistics trolleys, foldable logistics trolleys and detachable logistics trolleys. Because logistics trolleys are convenient for transportation, items can be stored eye-catchingly, and they can be folded and stored without taking up space. They can be used for transportation, handling, loading and unloading. With its characteristics, it is widely used in logistics and distribution industries such as tobacco, postal service, medicine, supermarkets, and automobiles, as well as processing and manufacturing industries. The trolley is an essential choice for moving objects in the factory.

The so-called fixed trolley adopts the entire frame welding process, which does not require maintenance during use, and is suitable for distribution and long-distance transportation; the folding logistics trolley has less shaking on the four mesh walls and adopts the entire frame mesh format welding process. The logistics trolley has 4 casters, and the other structures are reasonably designed and easy to operate;

The detachable logistics trolley is a logistics trolley whose base and four side nets can be detachable and folded for storage when empty, taking up no space. Multiple logistics trolleys can be folded and folded together for storage and storage, saving space. They are widely used in various productions. It is a tool used for cargo transfer in small enterprises, large supermarkets and logistics enterprises.

The patent number is CN202222619294.9, a trolley used to transport car trunk interior panels, including a frame, a chassis, a top plate installed on the top of the frame, a plurality of flip frames installed in the frame, and a plurality of support components. The top plate and one side of the flip frame are rotationally connected to the frame respectively. The top plate and the flip frame are also connected to the frame through support components respectively. The bottom of the chassis is equipped with casters. This technology belongs to the logistics transfer trolley in the automobile production workshop and can only be used to carry cars. The trunk decorative panel is a fixed trolley and cannot transport other car parts;

The invention application with patent number CN115489645A, a side trolley carrying system, includes a base; at least two carrying devices are relatively located on the base; each of the carrying devices includes: a bracket, located on the on the base; a support member is provided on the bracket, and the support member is provided with a plurality of clamping positions; the application has a higher side wall for loading objects in the side wall, and the side wall of the trolley is higher, The carrying area cannot be changed, it is a fixed trolley, and it is also a special trolley and cannot be shared to transport multiple materials;

The utility model patent number CN217100118U discloses a distribution trolley for air filters. The distribution trolley includes: a mobile base, and a space for placing the air filter is formed above the mobile base; it is a It is a special trolley specially used for transporting air filters in automobile production workshops. It does not have a variable loading surface area and the purpose of loading a variety of materials;

The utility model patent number CN213262445U discloses a turnover trolley that is convenient for placing car lights. The utility model relates to a turnover trolley that is convenient for placing car lights. Its structure includes a cuboid frame and a universal frame fixed at the bottom of the cuboid frame. Wheel, one side of the cuboid frame is open, the cuboid frame is equipped with at least three layers of fixed storage racks, and a hollow partition board is installed in each layer of storage racks. The turnover trolley can monitor car lights, etc. during transportation. The easily damaged products play a protective role and can also be used to connect multiple trolleys at one time. The material space set up by this utility model is also specially used for the turnover trolley of car lights and cannot be used for the transfer of other objects;

The utility model patent number CN201821021330.9 discloses a left and right door panel trolley, which includes a trolley body. The front surface of the trolley body is provided with a sliding plate near the top position, and the bottom end of the trolley body is fixed. Installed with a bottom plate, the trolley has dust-proof treatment on the body, avoiding direct contact between the auto parts inside the trolley body and the external environment, ensuring a dust-free environment during the transfer of auto parts. This technology is It is dedicated to the transfer of door panels and has a fixed and non-adjustable loading area.

The utility model patent with patent number CN201020575234.6 discloses a traction platform vehicle, including a frame, front casters and rear casters. The utility model improves the stability of the vehicle body by supporting the frame through the surrounding and middle caster components. , which avoids collision, super close, eccentricity, rollover and other phenomena when the vehicle body is turned, and improves the stability and safety of work. This technology is a special-purpose towing platform vehicle that cannot change the loading area and cannot carry different loads. part.

Problems with the existing technology: In summary, the existing technology trolleys have limitations in cutting and cutting of vehicle models, changing the load position, and changing logistics equipment. As a result, a large number of existing trolleys cannot be changed in use during production changes, causing problems. The fixed-mode trolleys have different specifications due to changes in production, resulting in the trolleys being unusable and causing great waste;

The existing trolley has a vulnerability problem in its design. Due to the splicing and screwing of various parts,

The bolt connection is not up to standard in terms of load-bearing. In order to make the modular trolley meet the load-bearing requirements, we thicken the wall thickness of the material (rectangular tube) when designing the module, resulting in an increase in the cost of the trolley. Once the trolley is damaged, it will Maintenance man-hours lead to insufficient production vehicles, causing parts to not be delivered in time, resulting in problems waiting for materials online;

Due to changes in production content, the original trolley needs to be modified, and the transformation of the original trolley requires re-cutting, welding, spraying, etc., causing environmental pollution.

Utility model content

The purpose of this utility model is to design and manufacture a modular splicing combination trolley that can be widened, lengthened and heightened according to production needs, by analyzing the trolley and based on the existing bulk supply trolley.

The utility model is realized as follows: a modular trolley suitable for workshop logistics transfer, including traction parts, load-bearing parts, walking parts, and lengthening, widening and heightening parts. a. The traction parts include a drawbar, a collision device, the traction bar includes a traction ring and a mounting and fixing component; the collision device includes a back plate of the mounting component, and a traction buckle, and a traction buckle connection hole is provided on the traction buckle; on the back plate of the mounting component Provided with mounting bolt holes;

b. The load-bearing components include the main frame of the trolley, the main beam frame, and the rear frame of the trolley. The main table of the trolley is welded from hollow square materials and is a rectangular structure;

The main platform of the trolley is composed of four frames, including two trolley main body frames, and two trolley rear frames, front and rear. There are horizontal and vertical main beam frames inside the trolley frame. The mode and number of the main beams can be set into multiple rectangles, multiple squares, a combination of rectangles and squares, or a staggered arrangement of squares and rectangles according to the needs of the main body of the trolley. Structure;

With one end of the armrest installed as the front end, a drawbar is installed at the front end of the main table of the trolley, and handrails are installed on both sides of the drawbar. A front connecting baffle and a blocking nut are provided at the front end of the main table of the trolley where the drawbar and the handrail are connected. Tube, the bolt holes at both ends of the front connecting baffle and the bolt holes at both ends of the block nut rectangular tube are fixedly connected to the front frame of the main frame;

A front single-cross baffle is provided at the position where the front end of the main platform of the trolley is connected to the main side frame and the front frame where the handrails and drawbars are installed. The front single-cross baffle is connected to the side frame by the single-cross baffle bolt holes;

c. The running parts include wheel posts and wheel assemblies. There is a square wheel post support in the middle of the wheel post. The two ends of the wheel post support are connected with square wheel connection surfaces. Two square connection surfaces All are equipped with wheel mounting screw holes;

The wheel assembly is a universal wheel with a shock absorbing spring and a brake. The upper end surface of the wheel assembly is the wheel connection surface. The wheel connection surface is provided with a wheel connection surface screw hole, and a wheel brake is provided at the rear of the wheel assembly;

d. The lengthening, widening and heightening components include lengthening modules, widening modules, wheelless columns, and heightening main frame modules;

The frame of the elongated module is provided with bolt holes and connecting rods; the elongated module is composed of a rectangular structure, each side of the rectangular structure is made of square material, and a connecting rod is provided on the long side of the rectangular structure;

A widening module screw hole and a widening module connecting rod are provided on the frame of the widening module. The widening module is a rectangular structure, and widening module connecting plates are respectively provided at both ends of the widening module. The module connection plate is provided with widened module connection screw holes;

The heightened main frame module also has the same long-side frame of the elevated trolley and the transverse frame of the elevated trolley as the main platform on the bottom of the trolley. Horizontal and vertical connection structures are provided inside the frame. On the second-floor trolley A support composed of a wheelless column is connected to the four corners of the table. The lower end of the support is connected to the main table of the trolley to form a two-layer or multi-layer trolley structure.

Preferably: the traction bar is welded into a triangular device from a circle center material. Mounting and fixing components are installed at both ends of the short sides of the triangle for connection with the trolley. A circular traction ring is provided at the confluence of the upper ends of the two long sides. Towed to a vehicle;

The traction bar has a structure with a traction ring at its upper end and a mounting and fixing component connected to the main body of the trolley at its lower end. The handrail is composed of square materials into a rectangular structural member.

Preferably: the front connecting baffle is made of a flat material, and is provided with front connecting baffle screw holes; the cross-section of the blocking nut rectangular tube is a rectangular tube, and one side of the blocking nut rectangular tube has There are no holes on one side, and holes of 8x38 mm are spread out from the middle point to both ends on the hole side.

Preferably: the front single-cross baffle is a flat plate with two single-cross baffle bolt holes provided on the board. One screw hole is 52 mm from one end of the short side, and the other screw hole is 81 mm from the previous screw hole. mm, the front single-cross baffle is installed on the front ends of the two frames of the main frame of the trolley, and the upper edge corners of the front single-cross baffle toward the rear end are rounded.

Preferably: the right-angle baffle is a facade panel with a 90-degree angle. The lower wings of the facade panel are respectively provided with right-angle baffle connection screw holes. The screw holes are oval, and the right-angle baffle is provided at the rear end of the trolley. The corner where the two frames of the tabletop connect to the rear frame of the trolley.

Preferably: the rear connecting baffle is a flat plate with a vertical surface, the two lower corners of the flat plate are at right angles, the two upper corners of the flat plate are provided with arc surfaces of the rear connecting baffle, and four are provided at one end of the right angle. Parallel connection holes, the upper end is provided with two rows of screw holes, each row has two bolt holes, and the rear connection baffle is arranged between the collision device and the rear frame of the main table of the trolley.

Preferably: the wheelless column is made of square material, one end of the wheelless column is connected to a flat square splicing surface, and a splicing surface connection screw hole is provided on the splicing surface.

Preferably: the elevated trolley is also composed of a long side frame of the elevated trolley. Wheelless columns are installed on the four corners of the main body of the elevated trolley. The lower ends of the wheelless columns are connected to the four corners of the main frame of the trolley. inside the connection hole;

The structural method and quantity provided in the long side frame and transverse side frame of the elevated trolley can be set into multiple rectangles, multiple squares, or a combination of rectangles and squares as needed. , or a structure of staggered squares and rectangles.

Preferably: the fastener is a trough-shaped structure, and fastener connection holes are provided at the centers of the two facades of the trough-shaped structure; different connectors are provided on the four frames of the main table of the trolley. It includes a rear connecting baffle set on the rear frame of the trolley, and right-angle baffles are provided at the corners of both ends of the rear frame of the trolley and the side frame of the main body of the trolley.

Preferably: the area of the wheel connection surface connecting one end of the trolley is the same as the connection area of the trolley's wheel column, and the area of one end of the wheel is the same as the installation area of the wheel; the wheel column support is used to install the wheel, and one end is bolted It is fixed on the four corners of the main frame of the trolley, and the other end is connected to the wheel connection surface with bolts.

Beneficial technical effects of this utility model:

1. The main body of the trolley can be formed into a two-story or multi-story trolley with the support of wheelless columns.

2. By analyzing the existing trolleys, we made modules based on the existing large object supply trolleys, and used different types of modules for combination and splicing to achieve variable sizes of the trolleys to correspond to the cutting, cutting and loading postures of the car models. Changes and changes in logistics equipment have improved the versatility of the trolley.

3. When car models are cut and cut, load positions are changed, logistics equipment changes, etc., the trolleys that need to be transported can be spliced together through module combinations, which can save costs of 1,000 yuan/unit (purchasing finished trolleys is 2,500 yuan/unit - purchasing modules is 1,500 yuan) /set).

4. When the trolley is damaged, it can be quickly repaired by replacing the modules. This eliminates the need for online materials due to insufficient trolleys causing parts to be transported in time. Modules are assembled and spliced on the same trolley to achieve variable trolleys. , achieving the universality of trolleys.

5. Using different types of modules for combination and splicing, the variable size of the trolley is realized, so as to correspond to the cutting and cutting of the car model, the change of the load position and the change of the logistics equipment, which improves the versatility of the trolley.

6. Different connectors are provided on the four frames of the main table of the trolley, including rear connection baffles set on the rear frame of the trolley, which are set at the corners of both ends of the rear frame of the trolley and the main side frame of the trolley. There are right-angle baffles. The right-angle baffles and the rear connecting baffles can prevent objects from falling during transportation, and can position the four corners of a three-layer trolley when assembling a one-tier trolley into a two-tier or multi-tier trolley. .

7. When the transported goods are longer than the length of the trolley main body, in order to ensure that the transported objects do not change shape and do not protrude from the trolley's table, an extension module can be installed on the rear end of the trolley frame. And it is fixed with the frame behind the main table of the trolley through the bolt holes of the extended module to realize the lengthening of the trolley.

8. When the transported goods are wider than the width of the main body of the trolley, in order to ensure that the transported objects do not change shape, a widening module is installed on the two frames of the main frame of the trolley, and connected to the main frame through the connecting screw holes. The two side frames of the main table of the trolley are fixedly connected to realize the widening of the trolley.

9. When both lengthening and extra dimensions are required, the lengthening and widening modules of the present utility model can be used to achieve both lengthening and widening of the trolley.

10. Or when multi-layer materials need to be transported, it is best to add multi-layer modules to the one-layer trolley to turn the trolley into a two-layer or multi-layer trolley.

Description of drawings

Figure 1 is a schematic structural diagram of the assembly of the present utility model;

Figure 2 is an enlarged schematic view of the handrail in Figure 1 of the present utility model;

Figure 3 is an enlarged schematic diagram of the traction component in Figure 1 of the present utility model;

Figure 4 is an enlarged schematic view of the front connecting baffle in Figure 1 of the present utility model;

Figure 5 is an enlarged schematic view of the nut-stop rectangular tube in Figure 1 of the present utility model;

Figure 6 is an enlarged schematic view of the front single-cross baffle in Figure 1 of the present utility model;

Figure 7 is an enlarged schematic view of the wheel pillar in Figure 1 of the present utility model;

Figure 8 is an enlarged schematic diagram of the wheel assembly of the present utility model;

Figure 9 is an enlarged schematic diagram of the right-angle baffle in Figure 1 of the present utility model;

Figure 10 is an enlarged schematic view of the rear connecting baffle in Figure 1 of the present utility model;

Figure 11 is an enlarged schematic view of the collision device in Figure 1 of the present utility model;

Figure 12 is an enlarged schematic diagram of the widening module of the present utility model;

Figure 13 is an enlarged schematic diagram of the extension module of the present utility model;

Figure 14 is an enlarged schematic diagram of the wheelless column of the present invention;

Figure 15 is an enlarged schematic diagram of the fastener of the present invention;

Figure 16 is an enlarged schematic diagram of the main frame of the utility model;

Figure 17 is a schematic structural diagram of the heightening module of the elevated trolley of the present invention.

Detailed ways

Structural drawing number description:

Handrail 1, traction bar 2, installation and fixing parts 3, traction ring 4, front connecting baffle 5, front connecting baffle bolt hole 6, block nut rectangular tube 7, rectangular tube long groove 7A, front single cross baffle 8 , single cross baffle bolt hole 9, wheel column 10, wheel mounting screw hole 11, wheel column support 12, wheel 13, wheel connecting surface 14, wheel connecting surface screw hole 15, wheel brake 16, right angle baffle connecting screw hole 17 , right angle baffle 18, rear connection baffle 19, rear connection baffle arc surface 20, parallel connection hole 21, bolt hole 22, collision device 23, traction buckle connection hole 23A, widened module 24, widened module connection Orifice plate 25, widened module bolt hole 26, widened module connecting screw hole 26A, widened module connecting rod 27, wheelless column 28, splicing surface 29, splicing surface connecting screw hole 30, fastener 31, fastener connecting hole 32. Extended module bolt hole 33, connecting rod 34, extended module 35, trolley rear frame 36, main beam frame 37, wheelless column connection hole 38, trolley main frame 39, elevated trolley long side frame 40, elevated platform Car transverse side frame 41;

Embodiment 1: Components of the present utility model

The utility model includes traction components, load-bearing components, walking components, and lengthening, widening, and heightening components:

The traction component includes a traction bar 2 and a collision device 23. The traction bar 2 is a triangular device. The upper end is provided with a traction ring 4 for towing the tractor, and the lower end is provided with a mounting and fixing component connected to the main body of the trolley. 3. Block nut rectangular tube 7,

The cross section of the nut rectangular tube 7 is a rectangular tube. One side of the nut rectangular tube 7 has holes and one side has no holes. The holed side is provided with holes of 398x38 mm from the middle point to both ends;

The traction bar consists of a traction ring 4 and a mounting and fixing component 3;

The collision device 23 includes a back plate of the mounting component and a traction buckle. The traction buckle is provided with a traction buckle connection hole 23A. The back plate of the mounting component is provided with mounting bolt holes. The mounting bolt holes are provided on the back plate. Used to fix the collision device on the rear frame of the trolley body;

The load-bearing components include the main body frame 39 of the trolley, the main beam frame 37, the rear frame 36 of the trolley, the main frame 39 of the trolley, the main beam frame 37, and the rear frame 36 of the trolley;

The running parts include a wheel column 10 and a wheel component. In the middle of the wheel column 10 is a square wheel column support 12. The two ends of the wheel column support 12 are connected with square wheel connecting surfaces 14, and two square wheel connection surfaces 14 are connected to both ends of the wheel column support 12. Wheel mounting screw holes 11 are provided on the connecting surfaces; the area of the wheel connecting surface 14 connecting one end of the trolley is as large as the connecting area of the trolley's wheel column, and the area of one end of the wheel is the same as the installation area of the wheel; The wheel column support 12 is used to install the wheel. One end is fixed to the four corners of the main frame of the trolley by bolts, and the other end is connected to the wheel connecting surface 14 with bolts;

The wheel assembly is a universal wheel with a shock absorbing spring and a brake. The upper end surface of the wheel assembly is the wheel connection surface 14. The wheel connection surface 14 is provided with a wheel connection surface screw hole 15. A wheel connection surface is provided at the rear of the wheel assembly. brake 16;

The lengthening, widening and heightening components include: lengthening module 35, widening module 24, wheelless column 29, and heightening main frame module;

The extension module 35 is used to lengthen the main frame of the trolley, and the extension module bolt holes 33 and connecting rods 34 are provided on the frame of the extension module 35;

Embodiment 2: Production and installation of the utility model

1. The main table of the trolley is welded from hollow square materials and has a rectangular structure. The main table of the trolley is composed of four frames, including two main frames 39 of the trolley, and two rear frames 36 of the front and rear trolleys. , horizontal and vertical main beams 37 are provided inside the frame. The manner and number of the main beams 37 can be set to multiple rectangles or multiple squares according to the needs of the main table of the trolley. It can also be a combination of rectangle and square, or a structure of staggered squares and rectangles;

2. Different connectors are provided on the four frames of the main table of the trolley, including the rear connecting baffle 19 provided on the rear frame 36 of the trolley. The two ends of the rear frame 36 of the trolley are connected to the sides of the main body of the trolley. There are right-angle baffles 18 at the corners of the frame. The right-angle baffles 18 and the rear connecting baffles 19 together can prevent objects from falling during transportation, and when assembling a one-layer trolley into a two-layer or multi-layer trolley, Can position the four corners of multi-layer trolleys;

3. With the end of the handrail 1 as the front end, a drawbar 2 is installed at the front end of the main table of the trolley, and handrails 1 are installed on both sides of the drawbar 2. The drawbar 2 and the handrail (1) are connected at the front end of the main table of the trolley. A front connecting baffle 5 and a blocking nut rectangular tube 7 are provided. The bolt holes at both ends of the front connecting baffle 5 and the bolt holes at both ends of the blocking nut rectangular tube 7 are fixedly connected to the front frame of the main frame. The front connecting baffle 5 The bolt hole set in the middle and the long groove 7A of the rectangular tube set in the middle of the stop nut rectangular tube 7 are used to fix the lower end of the armrest and to fix the installation and fixing component 3 of the lower end of the drawbar to the front frame of the main frame ;

4. A front single-cross baffle 8 is provided at the position where the front end of the main platform of the trolley is connected to the short-side frame and the long-side frame where the handrail 1 and the drawbar 2 are installed. The front single-cross baffle 8 is made of single-cross baffle bolts. The hole 9 is connected to the side frame, which is used to prevent goods from falling when transporting materials, and to connect and position the second-layer table when installing two or more layers of countertops; the upper edge of the front single-crossing baffle 8 toward the rear end is rounded. , the rounded corners can prevent people from being scratched at right angles;

Embodiment 3, assembly of the lengthened, widened and heightened module of the present utility model

The extension module 35 is composed of a rectangular structure. Each side of the rectangular structure is made of square material. A connecting rod 34 is provided on the long side of the rectangular structure. The extension module is inserted into the frame behind the original main table of the trolley through the connecting rod. 36, used to extend the length of the trolley;

The widening module 24 is used to widen the main frame of the trolley, and a widening module bolt hole 26A and a widening module connecting rod 27 are provided on the frame of the widening module 24;

The widening module 24 is a rectangular structure. A widening module connection plate 25 is provided at both ends of the widening module. A widening module connection screw hole 26 is provided on the connection plate. The widening module connection screw hole 26 is used for connection. The wheel component can also be connected to the installation support feet of the upper table, and a widened module connecting rod 27 is provided in the middle position;

1. When the transported goods are longer than the main body of the trolley, in order to ensure that the transported objects do not change shape and do not protrude from the trolley's table, it is necessary to lengthen the trolley before carrying out material transportation. The lengthened The method is to use the extension module 35 to be installed on the rear end of the trolley frame. The method is to first remove the collision device 23 installed on the frame 36 behind the main deck of the trolley, and then insert the connecting rod 34 of the extension module into the main deck of the trolley. into the connection hole of the rear frame 36, and fix it with the rear frame 36 of the main platform of the trolley through the extended module bolt hole 33, and finally install the removed collision device 23 on the frame 36 that has been installed on the rear frame of the main frame of the trolley. On the frame of module 35;

2. When the transported goods are wider than the width of the main body of the trolley, in order to ensure that the transported objects remain unchanged, the trolley needs to be widened before material transportation. The method of widening is to use a widening module. 24 is installed on the two frames 39 of the main frame of the trolley. The method is to first remove the right-angle baffles 18 and the front single-cross baffle 8 installed on the frames 39 on both sides of the main table of the trolley, and then connect the widening module 24 The rod 27 is inserted into the connecting holes of the two side frames 39 of the main table of the trolley, and is fixedly connected to the two side frames 39 of the main table of the trolley through the connecting screw holes 26A;

The handrail 1 is composed of square materials into a rectangular shape. The handrail 1 is installed on the front end of the trolley and is used to manually support the vehicle during the transportation of objects so that it will not go astray or hit other equipment.

Embodiment 4, shape of connecting parts of the present utility model

The traction bar 2 is welded into a triangle by center material. Mounting and fixing components 3 are installed at both ends of the short side for connection with the trolley. A circular traction ring 4 is provided at the intersection of the upper ends of the two long sides for use with the vehicle. hitch towing;

The front connecting baffle 5 is made of a flat piece of material. The front connecting plate is provided with screw holes 6 for connecting to the front end of the trolley and to the lower end of the drawbar and the lower end of the handrail 1;

The front single-cross baffle 8 is a flat plate with two single-cross baffle bolt holes 9 arranged on the board. One screw hole is 52 mm away from the short side and the other screw hole is 81 mm away from the previous screw hole. , the upper corner of the other short side of the baffle is set to an arc angle, and the front single-cross baffle 8 is installed on the front ends of the two side frames of the main frame of the trolley;

The right-angle baffle 18 is a facade panel with a 90-degree angle. The lower two wings of the facade panel are respectively provided with right-angle baffle connection screw holes 17. The screw holes are oval and the position of the bolts can be adjusted. The right-angle baffle 18 is set At the corner where the two frames 39 of the main table of the trolley are connected to the rear frame 36 of the trolley at the rear end of the trolley, it plays a role in ensuring that the goods do not fall. It can also play a positioning role when connecting and assembling the second-layer table;

The rear connection baffle 19 is a flat plate with a vertical surface. The two lower corners of the flat plate are at right angles. The rear connecting baffle arc surface 20 is provided at the two upper corners of the flat plate. Four parallel arc surfaces are provided at one end of the right angle. The upper end of the connecting hole 21 is provided with two rows of connecting holes 21 and two screw holes 22 in each row. The rear connecting baffle 19 is arranged between the collision device 23 and the rear frame of the main table of the trolley for use with the right-angle baffles 18 on both sides. Forms a protective frame for the rear end of the trolley;

The wheelless column 28 is made of square material. One end of the wheelless column 28 is connected to a flat square splicing surface 29. The splicing surface 29 is provided with splicing surface connection screw holes 30. The wheelless column 28 is used to connect a single The layer trolleys are spliced and combined to form a double-layer or multi-layer elevated trolley. The elevated trolley is also composed of the long side frame 40 of the elevated trolley module. Wheelless columns 28 are respectively installed on the four corners of the elevated trolley body. The lower end of the wheel column 28 is connected to the connecting holes on the four corners of the main frame of the trolley to form a multi-layer or two-layer trolley to facilitate the transportation of multiple materials;

The fastener 31 is a trough structure, and a fastener connection hole 32 is provided at the center of the two facades of the trough structure. The fastener is used to install an extension module 35 or an extension module on both sides or the rear end of the main frame of the trolley. When using the wide module 24, snap the fastener 31 into the two connected frames and then fix it with bolts to achieve the purpose of fixing the length or widening the module;

The second floor or multi-layer trolley body formed by the support of wheelless columns 28 also has an elevated trolley long side frame 40 and an elevated trolley transverse frame 41 that are the same as the bottom main table of the trolley, and are set inside the frame. There are horizontal and vertical connection structures. The structure and quantity can be set into multiple rectangles, multiple squares, or a combination of rectangles and squares, or a The square and rectangular structure is staggered. A support composed of a wheelless column 28 is connected to the four corners of the two-story trolley table. The lower end of the support is connected to the main trolley table to form a two-layer or multi-layer structure. Trolley structure.

Claims (10)

1. A modular trolley suitable for workshop logistics transfer, including traction components, load-bearing components, walking components, and lengthening, widening, and heightening components. It is characterized by: a. The traction component includes a traction bar (2) and a collision device (23). The traction bar includes a traction ring (4) and a mounting and fixing component (3); the collision device (23) includes a mounting component back plate, and a traction buckle, the traction buckle is provided with a traction buckle connection hole (23A); the back plate of the installation component is provided with a mounting bolt hole; b. The load-bearing components include the main frame of the trolley (39), the main beam frame (37), and the rear frame of the trolley (36). The main table of the trolley is welded from hollow square materials and is a rectangular structure; The main platform of the trolley is composed of four frames, including two trolley main body frames (39), and two trolley rear frames (36) at the front and rear. There are horizontal and vertical frames inside the trolley frame. The main beam frame (37), the way and number of the main beam frame (37) can be set to multiple rectangles according to the needs of the main body table of the trolley, it can be multiple square ones, or it can be rectangular and A combination of squares, or a structure in which squares and rectangles are alternately arranged; With one end of the installation armrest (1) as the front end, a drawbar (2) is installed at the front end of the main table of the trolley, handrails (1) are installed on both sides of the drawbar (2), and the drawbar (2) is connected to the front end of the main table of the trolley. A front connecting baffle (5) and a blocking nut rectangular tube (7) are provided at the position of the handrail (1). The bolt holes at both ends of the front connecting baffle (5) and the blocking nut rectangular tube (7) are The bolt holes at the end are fixedly connected to the front frame of the main frame; A front single-cross baffle (8) is provided at the position where the front end of the main platform of the trolley is connected to the front frame and the main side frame where the handrail (1) and the drawbar (2) are installed. The front single-cross baffle (8) is composed of The single cross baffle bolt hole (9) is connected to the side frame; c. The traveling parts include a wheel column (10) and a wheel assembly. In the middle of the wheel column (10) is a square wheel column support (12), and the two ends of the wheel column support (12) are connected with square Wheel connecting surface (14), both square connecting surfaces are provided with wheel mounting screw holes (11); The wheel assembly is a universal wheel with a shock absorbing spring and a brake. The upper end surface of the wheel assembly is the wheel connection surface (14). The wheel connection surface (14) is provided with a wheel connection surface screw hole (15). The rear of the assembly is provided with wheel brakes (16); d. The lengthened, widened and heightened components include the lengthened module (35), the widened module (24), the wheelless column (28), and the heightened main frame module; The extension module (35) is provided with extension module bolt holes (33) and connecting rods (34) on the frame; the extension module (35) is composed of a rectangular structure, and each side of the rectangular structure is made of square materials. A connecting rod (34) is provided on the long side of the rectangular structure; A widening module screw hole (26A) and a widening module connecting rod (27) are provided on the frame of the widening module (24). The widening module (24) is a rectangular structure. At both ends of the widening module A widened module connecting plate (25) is provided respectively, and a widened module connecting screw hole (26) is provided on the widened module connecting plate (25); The heightened main frame module also has an elevated trolley long side frame (40) and an elevated trolley transverse frame (41) that are the same as the bottom main table of the trolley. Horizontal and vertical connection structures are provided inside the frame. , a support composed of a wheelless column (28) is respectively connected to the four corners of the second-layer trolley table. The lower end of the support is connected to the main trolley table to form a two-layer or multi-layer trolley structure. 2. A modular trolley suitable for workshop logistics transfer according to claim 1, characterized in that: the drawbar (2) is welded into a triangular device from a center material, and is installed at both ends of the short sides of the triangle. Install the fixed component (3) for connection with the trolley, and a circular traction ring (4) is provided at the upper end of the two long sides for vehicle hooking and traction; The traction bar (2) has a structure with a traction ring (4) at the upper end and a mounting and fixing component (3) connected to the main body of the trolley at the lower end. The handrail (1) is composed of square materials into a rectangular structure. pieces. 3. A modular trolley suitable for workshop logistics transfer according to claim 1, characterized in that: the front connecting baffle (5) is composed of a piece of flat material, and the front connecting baffle (5) is A front connecting baffle screw hole (6) is provided; the cross-section of the nut rectangular tube (7) is a rectangular tube, and the nut rectangular tube (7) has holes on one side and no holes on one side, and the hole side starts from the middle point. There are 398x38mm holes spread out to both ends. 4. A modular trolley suitable for workshop logistics transfer according to claim 1, characterized in that: the front single-crossing baffle (8) is a flat plate, and two single-crossing baffles are provided on the board. Baffle bolt holes (9), one screw hole is 52 mm from the short side, and the other screw hole is 81 mm from the previous screw hole. The front single-cross baffle (8) is installed on the front ends of the two frames of the main frame of the trolley. , the upper edge corner of the front single-cross baffle (8) toward the rear end is rounded. 5. A modular trolley suitable for workshop logistics transfer according to claim 1, characterized in that: it also includes a right-angle baffle (18), and the right-angle baffle (18) is a 90-degree angle. The vertical panel and the lower two wings of the vertical panel are respectively provided with right-angle baffle connecting screw holes (17). The screw holes are oval. The right-angled baffle (18) is set at the rear end of the trolley. The two frames (39) of the main table of the trolley are connected to the The corner where the car rear frame (36) connects. 6. A modular trolley suitable for workshop logistics transfer according to claim 1, characterized in that: it also includes a rear connecting baffle (19), and the rear connecting baffle (19) is a facade. Flat plate, the two corners of the lower end of the flat plate are at right angles, the two upper corners of the flat plate are provided with rear connecting baffle arc surfaces (20), four parallel connection holes (21) are provided at one end of the right angle, and two parallel connecting holes (21) are provided at the upper end of the flat plate. Row of screw holes, each row has two bolt holes (22), and the rear connecting baffle (19) is set between the collision device (23) and the rear frame of the main table of the trolley. 7. A modular trolley suitable for workshop logistics transfer according to claim 1, characterized in that: the wheelless column (28) is made of square material, and one end of the wheelless column (28) is connected with a The flat square splicing surface (29) is provided with splicing surface connecting screw holes (30). 8. A modular trolley suitable for workshop logistics transfer according to claim 1, characterized in that: the elevated trolley is also composed of an elevated trolley long side frame (40), and the elevated trolley module body is Wheelless columns (28) are installed on the four corners respectively, and the lower ends of the wheelless columns (28) are connected to the connection holes on the four corners of the main frame of the trolley; The structure and quantity provided in the long side frame (40) and the transverse side frame (41) of the elevated trolley can be set into multiple rectangles, multiple squares, or rectangular shapes as needed. A shape combined with a square, or a structure in which squares and rectangles are alternately arranged. 9. A modular trolley suitable for workshop logistics transfer according to claim 1, characterized in that: it also includes a fastener (31), and the fastener (31) is a trough-shaped structure. A fastener connection hole (32) is provided at the center of the two facades of the structure; different connectors are provided on the four frames of the main table of the trolley, including the rear connector provided on the rear frame (36) of the trolley. The connecting baffle (19) is provided with right-angle baffles (18) at the corners of the two ends of the trolley's rear frame (36) and the trolley's main body side frame. 10. A modular trolley suitable for workshop logistics transfer according to claim 1, characterized in that: the area of the wheel connection surface (14) connecting one end of the trolley is the same as the connection area of the wheel column installed on the trolley. , the area of one end for installing the wheel is the same as the installation area of the wheel; the wheel column support (12) is used to install the wheel, one end is fixed on the four corners of the main frame of the trolley by bolts, and the other end is connected to the wheel connection surface with bolts ( 14).