Portable towing vehicle

Abstract

The utility model discloses a portable towing vehicle which comprises a cross rod and a traction connecting frame. According to the portable towing vehicle, a transverse rod is connected with a traction connecting frame, the two ends of the tail of the traction connecting frame penetrate through the transverse rod in a sliding mode at the same time and then are fixedly connected with connecting pieces, the front end of the traction connecting frame is fixedly connected with a connecting base, and the traction connecting frame can slide on the transverse rod, so that the traction connecting frame can move below a first vehicle frame; the first hand-screwing bolt is matched with the connecting piece to be fixedly connected with the cross rod, so that the traction connecting frame extends out, the connecting base is conveniently connected with a traction vehicle for traction, meanwhile, the U-shaped rod piece can be hooked to the connecting base, and the U-shaped rod piece is locked in the connecting sleeve in cooperation with the second hand-screwing bolt; therefore, the traction connecting frame is shrunk below the first frame to form a storage effect, so that the traction connecting frame can conveniently stretch out for traction during traction and can be shrunk for storage when traction is not performed, the problem that a large space is occupied when the traction connecting frame is not used is avoided, and parking is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of towing vehicles, in particular to a portable towing vehicle. Background Technique

[0002] A towing vehicle belongs to a towed vehicle, which is towed by a towing engineering vehicle to tow the towing vehicle body, so as to realize movement, hence the name towing vehicle. It is widely used in various auxiliary construction operations, and can tow and transport items, or tow and carry equipment. For example, a towing vehicle is used for road surface detection in highway test detection.

[0003] However, when the existing towing vehicle is in use, its towing connection frame is usually directly fixed on the towing vehicle body, resulting in a large space occupation of the whole towing vehicle and the towing connection frame. When not in use, it occupies a large space, which is not conducive to the parking of the towing vehicle. Content of the Utility Model

[0004] The purpose of the utility model is to provide a portable towing vehicle to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A portable towing vehicle includes a first vehicle frame. The top surface of the first vehicle frame is fixedly connected with first support rods in parallel at equal distances. The top surface of the first support rods is fixedly connected with a first panel. The first panel is arranged on the top surface of the second support rods and fits and slides thereon. The bottom surface of the first vehicle frame is fixedly connected with a cross bar. A towing connection frame is connected to the cross bar. The two ends of the tail of the towing connection frame simultaneously slide through the cross bar and are fixedly connected with a connection piece. Round holes are formed in the cross bar for the tail end of the towing connection frame to penetrate and slide. A first hand-tightening bolt penetrates through the connection piece. Round holes are formed in the connection piece for the first hand-tightening bolt to penetrate. After the first hand-tightening bolt is inserted into the cross bar, it is threadedly connected with the cross bar. Threaded holes are formed in the cross bar for the threaded connection of the first hand-tightening bolt. The front end of the towing connection frame is fixedly connected with a connection seat for connecting with a towing vehicle to tow the towing vehicle. The front outer wall of the first vehicle frame is fixedly connected with a connection sleeve. A U-shaped rod is inserted into the connection sleeve. One end of the U-shaped rod can move in the connection sleeve. The U-shaped rod corresponds to and fits with the connection hole on the connection seat. A second hand-tightening bolt is threadedly connected to the connection sleeve. The second hand-tightening bolt is inserted into the connection sleeve and abuts against the U-shaped rod. Threaded holes are formed in the connection sleeve for the threaded connection of the second hand-tightening bolt.

[0007] As a further scheme of the utility model: Two rollers are symmetrically arranged below the first vehicle frame. Wheel seats are rotatably installed at both ends of the rollers. The wheel seats are fixedly connected to the bottom of the first vehicle frame. Weights are arranged inside the rollers, so as to perform compressive strength detection on the test road surface when the towing vehicle is towed and moved.

[0008] As a further solution of the utility model: A second supporting rod fittingly attached to the first supporting rods is provided between the first supporting rods. The second supporting rod fits and slides on the fitting surfaces of the first supporting rod and the first vehicle frame. A second vehicle frame is fixedly connected to the lower part of the second supporting rod. The first vehicle frame is buckled under the second vehicle frame and fits. The second vehicle frame fits and slides on the fitting surfaces of the first vehicle frame and the first supporting rod.

[0009] As a further solution of the utility model: A plurality of first guiding rods are fixedly connected in parallel on the first vehicle frame, and a plurality of second guiding rods are fixedly connected in parallel on the second vehicle frame. The first guiding rods and the second guiding rods are arranged alternately. The first guiding rods slide through the front end of the second vehicle frame. Circular holes for the first guiding rods to penetrate and slide are provided on the second vehicle frame. The second guiding rods slide through the rear end of the first vehicle frame. Circular holes for the second guiding rods to penetrate and slide are provided on the first vehicle frame.

[0010] As a further solution of the utility model: Third hand-tightening bolts are threadedly connected to the front ends of the second supporting rods at the edges. Threaded holes for the third hand-tightening bolts to be threadedly connected are provided on the second supporting rods. After the third hand-tightening bolts penetrate the corresponding second supporting rods, they are tightened against the first supporting rods.

[0011] As a further solution of the utility model: A second panel is provided on the second supporting rod. Fixing bolts penetrate through the four corners of the second panel. Circular holes for the fixing bolts to penetrate are provided on the second panel. The fixing bolts penetrate through the second supporting rod and the second vehicle frame at the same time and are threadedly connected with nuts. A plurality of groups of mounting holes corresponding to and adapted to the fixing bolts are provided on the second supporting rod and the second vehicle frame together.

[0012] As a further solution of the utility model: A storage box is fixedly installed on the first panel. A box door adapted to the storage box is provided on the outside of the storage box. The box door is hinged to the storage box. Hanging ears are provided on both the box door and the storage box. A hanging lock is provided on the hanging ears. Circular holes for the hanging lock to pass through are provided on the hanging ears.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The traction connection frame of the utility model can slide on the cross bar, so that the traction connection frame can move under the first vehicle frame. The traction connection frame is connected and fixed to the cross bar through the first hand-tightening bolt and the connecting piece, so that the traction connection frame extends out, which is convenient for the connection seat to be connected with the towing vehicle for towing. At the same time, the U-shaped rod can be hooked on the connection seat, and the U-shaped rod is locked in the connection sleeve by the second hand-tightening bolt, so that the traction connection frame shrinks under the first vehicle frame to form a storage effect, which is convenient for extending for towing during towing and shrinking for storage when not towing, avoiding the problem of occupying a large space when not in use and facilitating parking.

[0015] 2. The utility model combines the first frame and the first support rod with the second frame and the second support rod, and cooperates with the first guide rod and the second guide rod for sliding guidance, so that it can slide and extend. It is locked with the third hand-tightening bolt to control the extension length of the first frame and the second frame, and then the second panel is fixedly installed with the fixing bolt to form a larger tabletop, so that more items can be towed and transported. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of a portable tow truck.

[0017] Figure 2 It is a bottom view of the first frame in a portable tow truck.

[0018] Figure 3 It is a separate schematic diagram of the first frame and the second frame in a portable tow truck.

[0019] In the figure: 1. First frame; 2. First support rod; 3. First panel; 4. Towing connection frame; 5. Connecting piece; 6. Connecting seat; 7. Connecting sleeve; 8. U-shaped rod; 9. First hand-tightening bolt; 10. Second hand-tightening bolt; 11. Roller; 12. Wheel seat; 13. Second support rod; 14. Second frame; 15. First guide rod; 16. Second guide rod; 17. Third hand-tightening bolt; 18. Second panel; 19. Fixing bolt; 20. Mounting hole; 21. Storage box; 22. Cross bar. Detailed Implementation Modes

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1 to 3, in the embodiment of the present utility model, a portable trailer includes a first frame 1. The top surface of the first frame 1 is fixedly connected with first support rods 2 in parallel at equal distances. The top surface of the first support rods 2 is fixedly connected with a first panel 3. The first panel 3 is arranged on the top surface of the second support rod 13 and fits and slides thereon. The bottom surface of the first frame 1 is fixedly connected with a cross bar 22. A towing connection frame 4 is connected to the cross bar 22. The two ends of the tail of the towing connection frame 4 simultaneously slide through the cross bar 22 and are fixedly connected with a connection piece 5. A round hole for the tail end of the towing connection frame 4 to penetrate and slide is formed in the cross bar 22. A first hand-tightening bolt 9 penetrates through the connection piece 5. A round hole for the first hand-tightening bolt 9 to penetrate is formed in the connection piece 5. After the first hand-tightening bolt 9 is inserted into the cross bar 22, it is threadedly connected with the cross bar 22. A threaded hole for the threaded connection of the first hand-tightening bolt 9 is formed in the cross bar 22. The front end of the towing connection frame 4 is fixedly connected with a connection seat 6. The connection seat 6 is used to connect with a towing vehicle to tow the trailer. The outer wall of the front end of the first frame 1 is fixedly connected with a connection sleeve 7. A U-shaped rod 8 is inserted into the connection sleeve 7. One end of the U-shaped rod 8 can move within the connection sleeve 7. The U-shaped rod 8 corresponds to and fits the connection hole on the connection seat 6. A second hand-tightening bolt 10 is threadedly connected to the connection sleeve 7. The second hand-tightening bolt 10 is inserted into the connection sleeve 7 and abuts against the U-shaped rod 8. A threaded hole for the threaded connection of the second hand-tightening bolt 10 is formed in the connection sleeve 7.

[0022] The towing connection frame 4 can slide on the cross bar 22, so that the towing connection frame 4 can move below the first frame 1. The first hand-tightening bolt 9 is used in cooperation with the connection piece 5 to connect and fix with the cross bar 22, so that the towing connection frame 4 extends out, facilitating the connection of the connection seat 6 with the towing vehicle for towing. At the same time, the U-shaped rod 8 can be hooked on the connection seat 6, and the second hand-tightening bolt 10 is used to lock the U-shaped rod 8 within the connection sleeve 7, so that the towing connection frame 4 is retracted below the first frame 1, forming a storage effect, thus facilitating extension for towing during towing and retraction for storage when not towing, avoiding the problem of occupying a large space when not in use and facilitating parking.

[0023] Two rollers 11 are symmetrically arranged below the first frame 1. Wheel seats 12 are rotatably installed at both ends of the rollers 11. The wheel seats 12 are fixedly connected to the bottom of the first frame 1. Weights are provided inside the rollers 11, so as to perform compressive testing on the test road surface when the trailer is towed and moved.

[0024] A second support rod 13 that fits with the first support rods 2 is arranged between the first support rods 2. The second support rod 13 fits and slides on the fitting surfaces with the first support rods 2 and the first frame 1. A second frame 14 is fixedly connected below the second support rod 13. The first frame 1 is buckled below the second frame 14 and fits. The second frame 14 fits and slides on the fitting surfaces with the first frame 1 and the first support rods 2.

[0025] A plurality of first guide rods 15 are fixedly connected in parallel on the first frame 1, and a plurality of second guide rods 16 are fixedly connected in parallel on the second frame 14. The first guide rods 15 and the second guide rods 16 are arranged alternately. The first guide rods 15 slide through the front end of the second frame 14, and circular holes for the first guide rods 15 to penetrate and slide are formed on the second frame 14. The second guide rods 16 slide through the tail end of the first frame 1, and circular holes for the second guide rods 16 to penetrate and slide are formed on the first frame 1.

[0026] The front ends of the edge second support rods 13 are all threadedly connected with third hand-tightening bolts 17. Threaded holes for the third hand-tightening bolts 17 to be threadedly connected are formed on the second support rods 13. After the third hand-tightening bolts 17 penetrate the corresponding second support rods 13, they are tightened against the first support rod 2.

[0027] A second panel 18 is provided on the second support rod 13. Fixing bolts 19 penetrate through the four corners of the second panel 18. Circular holes for the fixing bolts 19 to penetrate are formed on the second panel 18. The fixing bolts 19 penetrate through the second support rod 13 and the second frame 14 at the same time and are then threadedly connected with nuts. A plurality of groups of mounting holes 20 corresponding to and adapted to the fixing bolts 19 are formed on the second support rod 13 and the second frame 14 together.

[0028] By combining the first frame 1 and the first support rod 2 with the second frame 14 and the second support rod 13, and cooperating with the sliding guidance of the first guide rods 15 and the second guide rods 16, it can be slid and extended. By cooperating with the third hand-tightening bolts 17 for locking, the extension length of the first frame 1 and the second frame 14 can be controlled. Then, by cooperating with the fixing bolts 19 to fixedly install the second panel 18, a larger tabletop can be formed, so that more items can be towed and transported.

[0029] A storage box 21 is fixedly installed on the first panel 3. A box door adapted to the storage box 21 is provided on the outside of the storage box 21. The box door is hinged to the storage box 21. Hanging ears are provided on both the box door and the storage box 21. A hanging lock is provided on the hanging ears. Circular holes for the hanging lock to pass through are provided on the hanging ears.

[0030] Through the arrangement of the storage box 21, tools, bolts 19, the second panel 19 and nuts can be stored. At the same time, the storage box 21 can be used for storing and storing towing instruments.

[0031] The first frame 1 and the second frame 14 can be retracted from each other. The traction connecting frame 4 can be retracted under the first frame 1, so as to effectively reduce the space occupied by the entire towing vehicle. It is combined with the rollers 11 for movement, thus achieving a portable effect.

[0032] The working principle of the present utility model is:

[0033] During use, loosen the second hand-tightening bolt 10, slide the U-shaped rod member 8 along the connecting sleeve 7 until the U-shaped rod member 8 disengages from the connecting seat 6, pull the traction connecting frame 4 outwards until the connecting piece 5 abuts against the cross bar 22, and fix the connecting piece 5 to the cross bar 22 by the first hand-tightening bolt 9. At this time, connect the traction connecting frame 4 to the towing vehicle through the connecting seat 6, so that the trailer can be towed. At this time, the trailer is towed on the test road and the road surface is compressed by the rollers 11 to conduct a compressive test on the road surface.

[0034] At the same time, the third hand-tightening bolt 17 can be loosened, and the second vehicle frame 14 can be pulled backward so that the second support rod 13 extends. At this time, take out the second panel 18, the fixing bolt 19 and the nut from the storage box 21, lay the second panel 18 on the extended section of the second support rod 13, and fix and install it by passing the fixing bolt 19 through the mounting hole 20 and cooperating with the nut. Further rotate the third hand-tightening bolt 17 to fix the relative position of the second support rod 13 and the first support rod 2, so as to form a larger surface for carrying items.

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A portable trailer, comprising a first frame (1), characterized in that: The top surface of the first vehicle frame (1) is fixedly connected with first support rods (2) in parallel at equal distances. The top surface of the first support rods (2) is fixedly connected with a first panel (3). The bottom surface of the first vehicle frame (1) is fixedly connected with a cross bar (22). A traction connecting frame (4) is connected to the cross bar (22). The two ends of the tail of the traction connecting frame (4) simultaneously slide through the cross bar (22) and are fixedly connected with a connecting piece (5). A first hand-tightening bolt (9) penetrates through the connecting piece (5). After the first hand-tightening bolt (9) is inserted into the cross bar (22), it is threadedly connected with the cross bar (22). The front end of the traction connecting frame (4) is fixedly connected with a connecting seat (6). The outer wall of the front end of the first vehicle frame (1) is fixedly connected with a connecting sleeve (7). A U-shaped rod member (8) is inserted into the connecting sleeve (7). The U-shaped rod member (8) corresponds to and is adapted to the connecting holes on the connecting seat (6). A second hand-tightening bolt (10) is threadedly connected to the connecting sleeve (7).

2. The portable trailer according to claim 1, wherein: Two rollers (11) are symmetrically arranged below the first vehicle frame (1). Both ends of the rollers (11) are rotatably installed with wheel seats (12). The wheel seats (12) are fixedly connected to the bottom of the first vehicle frame (1).

3. The portable trailer according to claim 1, characterized in that: A second support rod (13) that fits with the first support rods (2) is arranged between the first support rods (2). A second vehicle frame (14) is fixedly connected below the second support rod (13). The first vehicle frame (1) is buckled below and in contact with the second vehicle frame (14).

4. The portable trailer according to claim 3, wherein: A plurality of first guide rods (15) are fixedly connected to the first vehicle frame (1) in parallel. A plurality of second guide rods (16) are fixedly connected to the second vehicle frame (14) in parallel. The first guide rods (15) and the second guide rods (16) are arranged in an alternating manner. The first guide rods (15) slide through the front end of the second vehicle frame (14). The second guide rods (16) slide through the tail end of the first vehicle frame (1).

5. The portable trailer according to claim 3, wherein: Third hand-tightening bolts (17) are threadedly connected to the front ends of the second support rods (13) at the edges. After the third hand-tightening bolts (17) penetrate through the corresponding second support rods (13), they are abutted against the first support rods (2).

6. The portable towing vehicle according to claim 3, characterized in that: A second panel (18) is arranged on the second support rod (13). Fixing bolts (19) penetrate through the four corners of the second panel (18). After the fixing bolts (19) simultaneously penetrate through the second support rod (13) and the second vehicle frame (14), nuts are threadedly connected. A plurality of groups of mounting holes (20) corresponding to and adapted to the fixing bolts (19) are jointly formed on the second support rod (13) and the second vehicle frame (14).

7. The portable trailer according to claim 1, wherein: A storage box (21) is fixedly installed on the first panel (3). A box door adapted to the storage box (21) is arranged on the outside of the storage box (21). Hanging ears are arranged on both the box door and the storage box (21). Hanging locks are arranged on the hanging ears.

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