Tractor and feed rack transport device

Abstract

This utility model discloses a tractor and a mother-and-child material rack transportation device, relating to the technical field of transportation devices. The transportation device includes a tractor and a flatbed trailer. A mother frame rod is welded to the upper end of the flatbed trailer, with six mother frame rods and a material-carrying sub-frame between three adjacent mother frame rods. It also includes: a first connecting seat welded to one end of the flatbed trailer, and second connecting seats welded to the other end of the flatbed trailer and one end of the tractor, the second connecting seats being plugged into and connected to the first connecting seat; and an assembly coupling, plugged into the insertion hole where the first and second connecting seats are combined, with a threaded joint integrally formed at the bottom end of the assembly coupling. This invention solves the problem that existing transportation devices, which use a tractor to provide power to pull goods, lack an effective limiting mechanism during transportation, leading to excessive stacking of goods causing them to fall during transport.

Description

Technical Field

[0001] This utility model relates to the field of transportation device technology, specifically to a tractor and a mother-daughter material rack transportation device. Background Technology

[0002] A tractor is a vehicle with driving capability, widely used in logistics transportation. Shelves are common commercial tools for storing and displaying goods, and they require a tractor for pulling during warehousing and transportation.

[0003] For example, announcement number CN205440101U (titled "A Pole Transport Device") includes a tractor and a transport frame. The transport frame includes a pull arm, a clamping mechanism, and a carriage. The front end of the pull arm is connected to the tractor. The rear end of the pull arm is fixedly connected to a clamping mechanism for securing the pole. At least two sets of clamping mechanisms are provided, respectively arranged at both ends of the pole. The carriage is located in the middle of the pole and is mounted on axles at both ends of the bottom. The carriage includes a support frame, axles, and wheels. Two axles and two wheels are provided, and the wheels are mounted on the left and right sides of the carriage via the axles. On both sides, the bracket includes a horizontal plate and a vertical plate that intersect vertically to form an L-shape. The horizontal plate is located at the top of the bracket, forming an inverted L-shape. The bracket has two pieces. The horizontal plates are arranged parallel to each other longitudinally on the left and right sides of the carriage, facing outwards. The bottom of the vertical plate of one bracket is vertically connected to a horizontally arranged support plate. The support plate has a horizontal groove extending inwards from the middle of the side away from the bracket. The bottom of the vertical plate of the other bracket is vertically connected to a horizontally arranged insert plate that matches the groove. The support plate and the insert plate are both located on the opposite side of the horizontal plate. The support plate and the insert plate are fixedly connected by positioning bolts that pass through the vertical plate surface.

[0004] The aforementioned transport device uses a tractor to power and pull goods for transport. However, it lacks an effective limiting mechanism during transport, which leads to the problem of goods falling off due to excessive stacking. Therefore, we provide tractor and mother-daughter material rack transport devices. Utility Model Content

[0005] The purpose of this utility model is to provide a tractor and a mother-daughter material rack transportation device to solve the problem mentioned in the background art that the existing transportation devices use a tractor to provide power to pull the goods for transportation, but lack an effective limiting mechanism during transportation, which leads to the problem of the goods falling off during transportation due to excessive stacking.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a tractor and a mother-and-child material rack transport device, including a tractor and a flatbed trailer. The upper end of the flatbed trailer is welded with a mother frame rod, and there are six mother frame rods. A material-carrying sub-frame is set between three adjacent mother frame rods.

[0007] Also includes:

[0008] The first connecting seat is welded to one end of the flatbed trailer, and the second connecting seat is welded to the other end of the flatbed trailer and one end of the tractor vehicle. The second connecting seat and the first connecting seat are connected by plugging in.

[0009] The assembly coupling is installed in the insertion hole position where the first connecting seat and the second connecting seat are combined, and the bottom end of the assembly coupling is integrally formed with a threaded joint.

[0010] The outer edge seats are welded to the outer walls on both sides of the material carrier sub-frame. There are four outer edge seats on the material carrier sub-frame, and a bearing sleeve is welded to the upper end of each of the four outer edge seats. A connecting spring is installed in the internal cavity of the bearing sleeve, and a limit plate is installed above two adjacent bearing sleeves.

[0011] Preferably, the bearing sleeve has an internal lifting and movable inner connecting plate. The two ends of the connecting spring are welded to the inner connecting plate and the outer edge seat, respectively. A support connecting rod is welded to the upper end of the inner connecting plate, and the top of the support connecting rod is welded to the limiting pressure plate.

[0012] Preferably, a guide plate is welded to the top of the bearing sleeve, and a through hole is provided inside the guide plate. The size of the inner connecting plate is larger than the diameter of the through hole, and the support connecting rod is movably connected to the guide plate through the through hole.

[0013] Preferably, a locking nut is installed on the threaded connector, and the size of the locking nut is larger than the diameter of the insertion hole where the first connecting seat and the second connecting seat are combined.

[0014] Preferably, a locking ring is integrally formed on the outer wall of the assembly shaft, and the diameter of the locking ring is larger than the diameter of the insertion hole where the first connecting seat and the second connecting seat are combined.

[0015] Preferably, fastening bolts are provided at the connection position between the material-carrying sub-frame and the main frame rod, and the material-carrying sub-frame is fixedly connected to the main frame rod by four fastening bolts.

[0016] Preferably, the flatbed trailer is provided with four omnidirectional wheel seats at the bottom, and all four omnidirectional wheel seats are welded to the bottom of the flatbed trailer.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] Each flatbed trailer of this invention is equipped with three material-carrying sub-frames, which are fixedly connected to the main frame rod by fastening bolts, so as to facilitate the disassembly and disassembly of the material-carrying sub-frames. When the goods are stacked on the material-carrying sub-frames, the limiting pressure plate limits the goods to prevent them from falling. The limiting pressure plate is pulled back by the restoring force of the connecting spring, which improves the limiting effect of stacking the goods. This overcomes the problem that existing transportation devices use a tractor to provide power to pull the goods for transportation, but lack an effective limiting mechanism during transportation, which leads to the problem of the goods falling during transportation due to excessive stacking. Attached Figure Description

[0019] Figure 1 This is a side view of the structure of the tractor and mother-daughter material rack transport device of this utility model;

[0020] Figure 2 This is a bottom view of the structure of the tractor and mother-daughter material rack transport device of this utility model;

[0021] Figure 3 This is a partial structural cross-sectional view of the tractor and mother-daughter material rack transport device of this utility model;

[0022] Figure 4 This is an enlarged schematic diagram of part A of the present invention;

[0023] In the diagram: 1. Tractor; 2. Flatbed trailer; 3. Caster wheel seat; 4. Mother frame rod; 5. Carrying sub-frame; 6. Fastening bolt; 7. Outer edge seat; 8. Bearing sleeve; 9. Limiting pressure plate; 10. First connecting seat; 11. Second connecting seat; 12. Assembly coupling; 13. Locking ring block; 14. Threaded joint; 15. Locking nut; 16. Support connecting rod; 17. Connecting spring; 18. Guide plate; 19. Inner connecting plate; 20. Through hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Please see Figure 1-4 An embodiment of this utility model is provided: a tractor and a mother-and-child material rack transport device, including a tractor 1 and a flatbed trailer 2. A mother frame rod 4 is welded to the upper end of the flatbed trailer 2. There are six mother frame rods 4, and a material loading sub-frame 5 is provided between three adjacent mother frame rods 4.

[0026] Also includes:

[0027] The first connecting seat 10 is welded to one end of the flatbed trailer 2, and the second connecting seat 11 is welded to the other end of the flatbed trailer 2 and one end of the tractor 1. The second connecting seat 11 is plugged into and connected to the first connecting seat 10.

[0028] The assembly shaft 12 is installed in the insertion hole position where the first connecting seat 10 and the second connecting seat 11 are combined and connected, and the bottom end of the assembly shaft 12 is integrally formed with a threaded joint 14.

[0029] The outer edge seat 7 is welded to the outer walls on both sides of the material carrier sub-frame 5. There are four outer edge seats 7 on the material carrier sub-frame 5, and the upper end of each of the four outer edge seats 7 is welded to a bearing sleeve 8. A connecting spring 17 is installed in the internal cavity of the bearing sleeve 8, and a limit pressure plate 9 is installed above two adjacent bearing sleeves 8.

[0030] In use, a tractor 1 pulls multiple flatbed trailers 2 to transport goods. The model of the tractor 1 is EPQ40B. Each flatbed trailer 2 is equipped with three material loading frames 5. The three material loading frames 5 are fixedly connected to the main frame rod 4 by fastening bolts 6 to facilitate the removal and removal of the material loading frames 5. The goods are stacked on the material loading frames 5. When the goods are stacked, they are limited by the limiting pressure plate 9 to prevent the goods from falling. The limiting pressure plate 9 is pulled back by the restoring force of the connecting spring 17, which improves the limiting effect of stacking the goods. The tractor 1 and the flatbed trailer 2 are connected to each other and to each other through the first connecting seat 10 and the second connecting seat 11. The assembly connection position is installed with the assembly coupling shaft 12 for movable connection, which facilitates the turning movement of the flatbed trailer 2.

[0031] Please see Figure 4 The bearing sleeve 8 has an internally movable connecting plate 19. The two ends of the connecting spring 17 are welded to the internally movable connecting plate 19 and the outer edge seat 7, respectively. A support rod 16 is welded to the upper end of the internally movable connecting plate 19, and the top of the support rod 16 is welded to the limiting pressure plate 9. The internally movable connecting plate 19 prevents the support rod 16 from detaching from the bearing sleeve 8. Please refer to [link / reference]. Figure 4 A guide plate 18 is welded to the top of the bearing sleeve 8. The guide plate 18 has a through hole 20 inside. The inner connecting plate 19 is larger than the diameter of the through hole 20. The support connecting rod 16 is movably connected to the guide plate 18 through the through hole 20. The guide plate 18 welded to the top of the bearing sleeve 8 serves to limit the movement of the inner connecting plate 19. Please refer to [link / reference]. Figure 2A retaining nut 15 is installed on the threaded connector 14. The size of the retaining nut 15 is larger than the diameter of the insertion hole for the combined connection of the first connecting seat 10 and the second connecting seat 11. The retaining nut 15 installed on the threaded connector 14 serves to reinforce and limit the connection position of the first connecting seat 10 and the second connecting seat 11. Please refer to [link / reference]. Figure 1 An integrally formed locking ring block 13 is provided on the outer wall of the assembly shaft 12. The diameter of the locking ring block 13 is larger than the diameter of the insertion hole for the combined connection of the first connecting seat 10 and the second connecting seat 11. The locking ring block 13 integrally formed on the outer wall of the assembly shaft 12 serves to initially limit the connection position of the first connecting seat 10 and the second connecting seat 11. Please refer to [link / reference]. Figure 1 The material-carrying sub-frame 5 is equipped with fastening bolts 6 at the connection point between it and the main frame rod 4. The material-carrying sub-frame 5 is fixedly connected to the main frame rod 4 by four fastening bolts 6. These fastening bolts 6 serve to securely connect the material-carrying sub-frame 5 and the main frame rod 4. (See also...) Figure 1 The bottom of the flatbed trailer 2 is equipped with four universal wheel seats 3, which are welded to the bottom of the flatbed trailer 2. The four universal wheel seats 3 at the bottom of the flatbed trailer 2 serve to assist the flatbed trailer 2 in grounding and movement.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A tractor and a mother-and-child material rack transport device, including a tractor (1) and a flatbed trailer (2). A mother frame rod (4) is welded to the upper end of the flatbed trailer (2). There are six mother frame rods (4), and a material loading sub-frame (5) is set between three adjacent mother frame rods (4). Its features are: Also includes: The first connecting seat (10) is welded to one end of the flatbed trailer (2), and the other end of the flatbed trailer (2) and one end of the tractor (1) are both welded to the second connecting seat (11), which is connected to the first connecting seat (10) by plugging in. The assembly shaft (12) is installed in the insertion hole position where the first connecting seat (10) and the second connecting seat (11) are combined and connected, and the bottom end of the assembly shaft (12) is integrally formed with a threaded joint (14). The outer edge seat (7) is welded to the outer walls on both sides of the material carrier (5). There are four outer edge seats (7) on the material carrier (5), and the upper end of each of the four outer edge seats (7) is welded with a bearing sleeve (8). A connecting spring (17) is provided in the internal cavity of the bearing sleeve (8), and a limit plate (9) is provided above two adjacent bearing sleeves (8).

2. The tractor and material rack transport device according to claim 1, characterized in that: The inner lifting and moving part of the bearing sleeve (8) is provided with an inner connecting plate (19). The two ends of the connecting spring (17) are welded to the inner connecting plate (19) and the outer edge seat (7) respectively. The upper end of the inner connecting plate (19) is welded with a support connecting rod (16), and the top position of the support connecting rod (16) is welded to the limiting pressure plate (9).

3. The tractor and material rack transport device according to claim 2, characterized in that: The top of the bearing sleeve (8) is welded with a guide plate (18), and the inside of the guide plate (18) is provided with a through hole (20). The size of the inner connecting plate (19) is larger than the diameter of the through hole (20). The support connecting rod (16) is movably connected to the guide plate (18) through the through hole (20).

4. The tractor and material rack transport device according to claim 1, characterized in that: A locking nut (15) is installed on the threaded connector (14). The size of the locking nut (15) is larger than the diameter of the insertion hole where the first connecting seat (10) and the second connecting seat (11) are connected.

5. The tractor and material rack transport device according to claim 1, characterized in that: The outer wall of the assembly shaft (12) is integrally formed with a locking ring block (13), the diameter of which is larger than the diameter of the insertion hole where the first connecting seat (10) and the second connecting seat (11) are connected.

6. The tractor and material rack transport device according to claim 1, characterized in that: Fastening bolts (6) are provided at the connection position between the material loading sub-frame (5) and the main frame rod (4). The material loading sub-frame (5) is fixedly connected to the main frame rod (4) by four fastening bolts (6).

7. The tractor and material rack transport device according to claim 1, characterized in that: The bottom of the flatbed trailer (2) is provided with four universal wheel seats (3), and the four universal wheel seats (3) are all welded to the bottom of the flatbed trailer (2).

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