CN217705615U

CN217705615U - Trailer swing arm structure

Info

Publication number: CN217705615U
Application number: CN202221763926.2U
Authority: CN
Inventors: 张建文; 叶学; 肖坤英; 代会民
Original assignee: Ruian Jianxin Machinery Manufacturing Co ltd
Current assignee: Ruian Jianxin Machinery Manufacturing Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-01
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a trailer swing arm structure in trailer coupling assembling field, including the base, symmetry form fixedly connected with connecting seat around the diapire middle part is, and symmetry form has seted up two mounting grooves around being between the both sides wall about the base, and base diapire central point puts fixedly connected with slipmat, has seted up first mounting hole around the connecting seat between the both sides wall, and first mounting hole inside wall rotates and is connected with the connecting axle, and two connecting axles are the same main part arm of one side lateral wall fixedly connected with in opposite directions. The utility model discloses a main part arm adopts and subtracts heavy structural design, has seted up in main part arm front and back both sides wall central point promptly and has subtracted heavy recess, and has seted up a plurality of logical grooves that subtract between the diapire in two subtract heavy recesses, and its whole main part arm drives the rotation during operation, and its drive is very fast and power loss is less.

Description

Trailer swing arm structure

Technical Field

The utility model relates to a trailer coupling assembling field especially relates to trailer swing arm structure.

Background

The full-name road wrecker, also called trailer, is composed of chassis, hoisting device, lifting traction device, hydraulic system, electric control system, vehicle body and tool box, etc. it has several functions of hoisting, dragging and lifting traction, etc. and is suitable for the wrecker operation of expressway and urban road. The trailer structure of the trailer includes a plurality of linkage assemblies, including a trailer swing arm structure.

At present, when current trailer swing arm structure used, its main part arm lacked to subtract heavy structural design, and its whole main part arm drives and rotates the during operation, and its drive is slow and power loss is great, and current trailer swing arm structure in addition when carrying out the installation of being connected with the automobile body, its lacks good cooperation and connects mounting structure, and its convenience and installation reliability dismantled with automobile body erection joint are all relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the main part arm of current trailer swing arm structure lacks and subtracts heavy structural design and the connection installation performance between whole trailer swing arm structure and the automobile body is relatively poor.

In order to solve the technical problem, the utility model discloses a technical scheme be: the trailer swing arm structure comprises a base, wherein a front and a back symmetrical connecting seats are fixedly connected to the middle of the top wall of the base, a front and a back symmetrical mounting grooves are formed between the upper side wall and the lower side wall of the base, a non-slip mat is fixedly connected to the central position of the bottom wall of the base, a good matched connecting and mounting structure is integrally arranged, when the trailer swing arm structure is connected and mounted with a vehicle body, the base can be fixedly mounted on a corresponding mounting station of the vehicle body through the matching of the two mounting grooves and connecting bolts on the base, the non-slip mat is arranged at the central position of the bottom wall of the base, the base is convenient to assemble, mount and dismount with the vehicle body, and the mounting reliability is good, a first mounting through hole is formed between the front side wall and the back side wall of the upper side of the connecting seat, the inner side wall of the first mounting through hole is rotatably connected with a connecting shaft, two opposite side walls of the main body are fixedly connected with the same main body arm, weight reducing grooves are formed at the central positions of the front side wall and the back side wall of the main body arm, three through grooves are formed from top to bottom, the front side wall of the main body arm and the rear side of the main body arm, the main arm are formed through weight reducing grooves, the weight reducing grooves, and the main arm are formed at equal intervals, and the main arm is driven to rotate quickly, and the main arm to reduce the weight reducing grooves, and reduce the weight of the main arm, and reduce the power consumption of the main arm, and the main arm is small weight of the main arm.

Preferably, a reinforcing plate is fixedly connected between the side walls of the opposite sides below the two connecting seats, so that the structural reinforcing effect between the two connecting seats is achieved, three weight reducing through holes are formed in the two side walls of the reinforcing plate at equal intervals from front to back, and the weight reducing effect of the whole structure is achieved.

Preferably, the center of the side wall of each of the two connecting shafts away from one side is provided with a thread groove, the thread groove of any one of the connecting shafts can be matched with the driving rotating end of the connecting bolt to fixedly connect the driving rotating structure, the driving rotating end of the driving rotating structure drives the connecting shaft at the side to rotate, and then the rotation of the main body arm is realized, the connecting shaft and the first mounting through hole at the corresponding side of the connecting shaft are in interference fit in a rotating connection mode, the rotation is reliable, and the bearing is large.

Preferably, the spread groove has been seted up to main part arm top lateral wall intermediate position, both sides inside wall central point puts around the spread groove and has seted up second installation through-hole, can cooperate fixed connection subassembly fixed mounting trailer structure, main part arm top both sides wall just is located spread groove both sides opening part fixedly connected with boss, plays the structure additional strengthening of spread groove both sides notch department.

The beneficial effects of the utility model are as follows:

1. the utility model adopts the weight-reducing structural design, namely, the weight-reducing grooves are arranged at the central positions of the front and rear side walls of the main body arm, and a plurality of weight-reducing through grooves are arranged between the inner bottom walls of the two weight-reducing grooves, so that the whole main body arm is driven to rotate, and the main body arm is driven to work quickly and has less power loss;

2. the utility model discloses a be provided with good cooperation and connect mounting structure, when trailer swing arm structure carries out the installation of being connected with the automobile body, two mounting groove cooperation connecting bolt on the accessible installation base install the base and correspond the fixed mounting on the installation station in the automobile body, and install base diapire central point and put and be provided with the slipmat, the convenient convenience and the installation reliability of installation base and automobile body erection installation dismantlement are all better.

Drawings

FIG. 1 is an overall perspective view of the present invention;

fig. 2 is a perspective view of the main body arm of the present invention;

fig. 3 is a perspective view of the base structure of the present invention.

In the figure: 1. a base; 2. a connecting seat; 3. a first mounting through hole; 4. a connecting shaft; 5. a body arm; 6. a weight-reducing groove; 7. a weight-reducing through groove; 8. connecting grooves; 9. a second mounting through hole; 10. a reinforcing block; 11. a thread groove; 12. mounting grooves; 13. a reinforcing plate; 14. a weight-reducing through hole; 15. a non-slip mat.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 3, a trailer swing arm structure, including a base 1, a connection seat 2 is fixedly connected to the top wall of the base 1 in a front-back symmetrical manner, two mounting grooves 12 are symmetrically formed between the upper and lower side walls of the base 1 in a front-back symmetrical manner, a non-slip mat 15 is fixedly connected to the central position of the bottom wall of the base 1, and a good matching connection mounting structure is integrally provided, when the trailer swing arm structure is connected to a vehicle body, two mounting grooves 12 on the base 1 are matched with connecting bolts to fix the base 1 to a corresponding mounting station of the vehicle body, and the non-slip mat 15 is provided at the central position of the bottom wall of the base 1, so that the base 1 and the vehicle body can be assembled, mounted and disassembled conveniently and reliably, first mounting through holes 3 are provided between the front and rear side walls above the connection seat 2, inner side walls of the first mounting through holes 3 are rotatably connected with connecting shafts 4, two connecting shafts 4 are fixedly connected with the same main arm 5 at the side wall at opposite to one side wall, weight reduction grooves 6 are provided at the central position of the front and rear side walls of the main arm 5, three weight reduction grooves 7 are provided at equal intervals between the inner bottom walls of the two weight reduction grooves 6 from top to bottom, the two side walls adopt a weight reduction structural design, the main arm 5, and a plurality of the through grooves 6 are provided with a plurality of the through grooves 7 for driving the inner through grooves for reducing the inner grooves, and reducing grooves 7, and reducing the inner grooves for reducing the inner walls, and reducing grooves for driving the inner walls, and reducing the main arm, and reducing grooves for reducing the inner walls.

As shown in fig. 3, a reinforcing plate 13 is fixedly connected between the side walls of the opposite sides below the two connecting seats 2 to reinforce the structure between the two connecting seats 2, and three weight-reducing through holes 14 are formed between the two side walls of the reinforcing plate 13 at equal intervals from front to back to reduce the weight of the whole structure.

As shown in fig. 1 and 2, the two connecting shafts 4 are provided with thread grooves 11 at the center position of the side wall away from each other, the thread grooves 11 of the connecting shafts 4 at any side can be matched with the driving rotating end of the connecting bolt fixedly connected with the driving rotating structure, the driving rotating end of the driving rotating structure drives the connecting shafts 4 at the side to rotate, and then the main body arm 5 rotates, the connecting shafts 4 and the first mounting through holes 3 at the corresponding side are in interference fit in a rotating connection mode, and the rotation is reliable and the bearing is large.

As shown in fig. 2, the connecting groove 8 has been seted up to main part arm 5 top lateral wall intermediate position, and both sides inside wall central point puts around the connecting groove 8 and has seted up second installation through-hole 9, can cooperate fixed connection subassembly fixed mounting trailer structure, and main part arm 5 top both sides wall just is located connecting groove 8 both sides opening part fixedly connected with boss 10, plays the structure additional strengthening of connecting groove 8 both sides notch department.

The utility model discloses when using, wholly be provided with good cooperation connection mounting structure, when trailer swing arm structure carries out the connection installation with the automobile body, two mounting grooves 12 cooperation connecting bolt on the accessible base 1 carry out base 1 in the automobile body correspond the fixed mounting on the installation station, and base 1 diapire central point puts and is provided with slipmat 15, the convenience that base 1 was dismantled with automobile body erection installation and installation reliability are all better, 11 cooperation connecting bolt fixed connection drive rotating-structure's of the thread groove of arbitrary one side connecting axle 4 drive rotation end of accessible, drive rotation end via drive rotating-structure drives this side connecting axle 4 and rotates, and then realize main body arm 5 and rotate, connecting axle 4 is interference fit with the rotation connected mode between the first installation through-hole 3 of corresponding one side, it is reliable and bearing big to rotate, main body arm 5 adopts and subtracts heavy structural design, both sides wall central point has seted up heavy recess 6 around main body arm 5, and set up a plurality of logical groove 7 between the bottom wall in two heavy recess 6, when its whole main body arm 5 drives rotation work, its drive is very fast and the power loss is less, main body arm 5 has seted up lateral wall central point has seted up lateral wall 8 around the top intermediate point, it can subtract heavy connecting assembly to subtract heavy groove 9, it can subtract heavy mounting connection assembly both sides fixed connection assembly has seted up the inside wall 8 to subtract, it can subtract heavy mounting through-hole to subtract, it can subtract heavy to subtract heavy mounting structure.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. Trailer swing arm structure, including base (1), its characterized in that: the middle part of the top wall of the base (1) is fixedly connected with a connecting seat (2) in a front-back symmetrical manner, two mounting grooves (12) are formed between the upper side wall and the lower side wall of the base (1) in a front-back symmetrical manner, and an anti-skid pad (15) is fixedly connected to the central position of the bottom wall of the base (1);

a first mounting through hole (3) is formed between the front side wall and the rear side wall above the connecting seat (2), the inner side wall of the first mounting through hole (3) is rotatably connected with a connecting shaft (4), and the side walls of the two opposite sides of the connecting shafts (4) are fixedly connected with a same main body arm (5);

the central positions of the front side wall and the rear side wall of the main body arm (5) are provided with weight reducing grooves (6), and three weight reducing through grooves (7) are arranged between the inner bottom walls of the two weight reducing grooves (6) at equal intervals from top to bottom.

2. The trailer swing arm structure of claim 1, wherein: and a reinforcing plate (13) is fixedly connected between the side walls of one opposite side below the two connecting seats (2).

3. The swing arm structure of a trailer according to claim 2, wherein: three weight-reducing through holes (14) are formed between two side walls of the reinforcing plate (13) at equal intervals from front to back.

4. The trailer swing arm structure of claim 1, wherein: two connecting axle (4) are kept away from one side lateral wall central point and are put and have been seted up thread groove (11), connecting axle (4) is interference fit rather than the rotation connected mode between the first installation through-hole (3) of one side that corresponds.

5. The trailer swing arm structure of claim 1, wherein: the middle position of the outer side wall of the top of the main body arm (5) is provided with a connecting groove (8).

6. The swing arm structure of a trailer according to claim 5, wherein: and a second mounting through hole (9) is formed in the center positions of the inner side walls of the front side and the rear side of the connecting groove (8).

7. The trailer swing arm structure of claim 1, wherein: the two side walls above the main body arm (5) are fixedly connected with reinforcing blocks (10) at openings at two sides of the connecting groove (8).