1. The utility model provides a semitrailer linkage, includes mounted frame (1), its characterized in that: the lower surface of the suspension bracket (1) is fixedly connected with an air bag (13), the bottom end of the air bag (13) is fixedly connected with a supporting plate (14), the lower surface of the supporting plate (14) is fixedly connected with an axle (15), two water storage cavities (2) are formed in the suspension bracket (1), two placing grooves (3) are respectively formed in the inner walls of the two water storage cavities (2), a main water pipe (4) is fixedly connected to the inner wall of each placing groove (3), a primary branch pipe (5) is fixedly connected to the surface of the main water pipe (4), a water outlet head (7) is fixedly connected to the bottom end of the primary branch pipe (5), a secondary branch pipe (6) is fixedly connected to the right end of the main water pipe (4), a hose (8) is fixedly connected to one end, close to the axle (15), of the secondary branch pipe (6), and a spring (10) is fixedly connected to the surface of the hose (8), the bottom end of the spring (10) is fixedly connected with a supporting seat (9), and the side face of the supporting seat (9) is fixedly connected with the inner wall of the suspension frame (1).

2. A semitrailer suspension arrangement according to claim 1, characterised in that: a human-shaped groove (22) is formed in the joint of the first water inlet (11) and the suspension frame (1), and two bottom ends of the human-shaped groove (22) are communicated with the side wall of the water storage cavity (2).

3. A semitrailer suspension arrangement according to claim 1, characterised in that: the inner wall of the suspension frame (1) is provided with a fixing groove (12), and the inner bottom wall of the fixing groove (12) is provided with a steel plate spring (16).

4. A semitrailer suspension arrangement according to claim 1, characterised in that: the surface of the axle (15) is provided with a bolt (18), the surface of the bolt (18) is in threaded connection with a nut (19), and the bolt (18) is of a U-shaped structure.

5. A semitrailer suspension arrangement according to claim 3, characterised in that: the surface of the bolt (18) is connected with a plate spring support (17) in a sliding mode, and the plate spring support (17) is made of hard alloy materials.

6. A semitrailer suspension arrangement according to claim 4, characterised in that: the upper surface of the plate spring support (17) is fixedly connected with two partition plates (20), and the distance between the two partition plates (20) is equal to the width of the steel plate spring (16).

7. A semitrailer suspension arrangement according to claim 1, characterised in that: the upper surface intermediate position fixedly connected with inlet tube (11) of mounted frame (1), mounted frame (1) both ends position is equipped with two second inlet tubes (21), and water storage chamber (2) are run through to the bottom of second inlet tube (21), and the sodium carbonate flows into water storage chamber (2) from first water inlet (11) through anthropomorphic groove (22), and acetic acid flows into water storage chamber (2) from second inlet tube (21), and acetic acid and sodium carbonate take place to react into water and carbon dioxide in water storage chamber (2).

8. A semitrailer suspension arrangement according to claim 1, characterised in that: the air bag (13) is communicated with a vehicle air supply pipeline.

Background

The semitrailer suspension device is one of main parts of a semitrailer, and is mainly used for effectively, reasonably and firmly connecting an axle moving part of the semitrailer with a girder of the semitrailer, a suspension bracket of a road semitrailer is welded at the lower end of a main longitudinal beam of the semitrailer, and load borne by a vehicle body is transmitted to a steel plate spring through the suspension bracket and then transmitted to an axle; the other side of the axle is connected with an adjacent leaf spring support through a tension rod for bearing the transverse acting force.

But current linkage does not possess leaf spring cooling function, and every leaf spring of vehicle in the process of traveling all can the up-and-down motion to still can sneak into the dust, thereby produce the friction, the heat that the friction produced in addition the dust can accelerate the wearing and tearing of leaf spring, and year-round use influences vehicle life, influences driving safety simultaneously. Accordingly, a semitrailer suspension arrangement is provided by those skilled in the art that addresses the problems set forth above in the background.

Disclosure of Invention

The invention aims to provide a semitrailer suspension device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a semitrailer linkage, includes the mounted frame, the lower fixed surface of mounted frame is connected with the gasbag, the bottom fixedly connected with layer board of gasbag, the lower fixed surface of layer board is connected with the axle, two water storage chambeies have been seted up to the inside of mounted frame, two standing grooves have been seted up respectively to the inner wall in two water storage chambeies, the inner wall fixedly connected with water main of standing groove, the fixed surface of water main is connected with the one-level branch pipe, the bottom fixedly connected with of one-level branch pipe goes out the hydroextractor, the right-hand member fixedly connected with second grade branch pipe of water main, the one end fixedly connected with hose that the second grade branch pipe is close to the axle, the fixed surface of hose is connected with the spring, the bottom fixedly connected with supporting seat of spring, the side of supporting seat and the inner wall fixed connection of mounted frame.

As a further scheme of the invention: a human-shaped groove is formed in the joint of the first water inlet and the suspension frame, two bottom ends of the human-shaped groove are communicated with the side walls of the two water storage cavities, sodium carbonate can flow in from the first water inlet through the human-shaped groove, and the water storage cavities at the two positions cannot circulate mutually.

As a further scheme of the invention: the suspension bracket is characterized in that a fixing groove is formed in the inner wall of the suspension bracket, a steel plate spring is arranged on the inner bottom wall of the fixing groove, the fixing groove is used for placing the steel plate spring, and the steel plate spring is used for buffering and damping the vehicle.

As a still further scheme of the invention: the axle is characterized in that a bolt is arranged on the surface of the axle, a nut is connected to the surface of the bolt in a threaded manner, the bolt is of a U-shaped structure, and the axle and the steel plate spring are fixed together conveniently by the bolt and the nut.

As a still further scheme of the invention: the surface sliding connection of bolt has the leaf spring support, the leaf spring support adopts carbide material to make, is used for supporting, fixed leaf spring through setting up the leaf spring support.

As a still further scheme of the invention: two upper surface fixed connection of leaf spring support have the baffle, two distance between the baffle equals leaf spring's width, is used for spacing leaf spring through setting up the baffle, prevents that the skew from taking place for the multi-disc leaf spring.

As a still further scheme of the invention: the upper surface intermediate position fixedly connected with first inlet tube of mounted frame, the interior roof in water storage chamber is run through to the bottom of first inlet tube, and mounted frame both ends position is equipped with two second inlet tubes, and the water storage chamber is run through to the bottom of second inlet tube, and acetic acid flows into the water storage chamber from first water inlet through the people's shape groove, and sodium carbonate flows into the water storage chamber from the second inlet tube, and acetic acid and sodium carbonate react into water and carbon dioxide in the water storage chamber, make and react into water and carbon dioxide in two water storage chambers through adding sodium carbonate and acetic acid.

As a still further scheme of the invention: the air bag is communicated with a vehicle air supply pipeline and is used for applying pressure to the steel plate spring through the air bag.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, the water storage cavity is arranged for storing a mixture of sodium carbonate and acetic acid, the sodium carbonate and the acetic acid generate chemical reaction to generate water and carbon dioxide, the main water pipe is arranged for shunting, the primary branch pipe and the water outlet head are arranged for water cooling and cooling the steel plate spring above, meanwhile, carbon dioxide gas can also clean partial dust and take away heat, the secondary branch pipe, the flexible leather pipe and the supporting seat are arranged for matching use, the steel plate spring below is sprayed with water for cooling, meanwhile, the carbon dioxide gas can also clean partial dust and take away heat, the flexible leather pipe is shaken up and down to spray water in a large range for cooling when a vehicle jolts up and down by arranging the spring, thereby solving the problems that the existing suspension device does not have the function of cooling the plate spring, and the heat and the dust generated by the friction of the plate spring can accelerate the abrasion of the plate spring when the vehicle runs, the service life of the vehicle is influenced.

2. According to the invention, the fixing groove is used for placing the steel plate spring, and the steel plate spring is used for buffering and damping the vehicle; the axle and the steel plate spring are fixed together conveniently by arranging the bolt and the nut; the plate spring support is used for supporting and fixing the plate spring.

3. In the invention, the partition plate is arranged for limiting the steel plate springs, so that the plurality of steel plate springs are prevented from deviating; by providing an air pocket for applying pressure to the leaf spring.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 3 is a cross-sectional view of the frame structure of the present invention;

FIG. 4 is a schematic view of a part of the structure of the present invention.

In the figure: 1. a suspension bracket; 2. a water storage cavity; 3. a placement groove; 4. a water main; 5. a first-stage branch pipe; 6. a secondary branch pipe; 7. a water outlet head; 8. a flexible leather hose; 9. a supporting seat; 10. a spring; 11. a water inlet pipe; 12. fixing grooves; 13. an air bag; 14. a support plate; 15. an axle; 16. a leaf spring; 17. a plate spring support; 18. a bolt; 19. a nut; 20. a partition plate; 21. a second water inlet pipe; 22. a human-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the invention, a semitrailer suspension device comprises a suspension frame 1, an air bag 13 is fixedly connected to the lower surface of the suspension frame 1, a supporting plate 14 is fixedly connected to the bottom end of the air bag 13, an axle 15 is fixedly connected to the lower surface of the supporting plate 14, water storage cavities 2 are respectively formed in two sides of the interior of the suspension frame 1, a herringbone groove 22 is formed at the joint of a first water inlet 11 and the suspension frame 1, two bottom ends of the herringbone groove 22 are communicated with the side walls of the water storage cavities 2, two placing grooves 3 are respectively formed in the inner walls of the two water storage cavities 2, a main water pipe 4 is fixedly connected to the inner walls of the placing grooves 3, a primary branch pipe 5 is fixedly connected to the surface of the main water pipe 4, a water outlet 7 is fixedly connected to the bottom end of the primary branch pipe 5, a secondary branch pipe 6 is fixedly connected to the right end of the main water pipe 4, a hose 8 is fixedly connected to one end of the secondary branch pipe 6 close to the axle 15, and a spring 10 is fixedly connected to the surface of the hose 8, the bottom end of the spring 10 is fixedly connected with a supporting seat 9, the side surface of the supporting seat 9 is fixedly connected with the inner wall of the suspension bracket 1, a water storage cavity 2 is arranged for storing water and carbon dioxide after the reaction of sodium carbonate and acetic acid, a water main 4 is arranged for shunting, a primary branch pipe 5 and a water outlet head 7 are arranged for water cooling of an upper steel plate spring 16, carbon dioxide gas can take away partial heat and clean partial dust, a secondary branch pipe 6 is arranged, a soft leather pipe 8 is matched with the supporting seat 9 for spraying water to cool the lower steel plate spring 16, carbon dioxide gas can take away partial heat and clean partial dust, the soft leather pipe 8 can shake up and down to spray water in a large range for cooling when the vehicle jolts up and down by arranging the spring 10, and therefore the problems that the existing suspension device does not have the functions of plate spring cooling and partial dust removal are solved, and the heat generated by the friction of the plate spring can accelerate the abrasion of the plate spring when the vehicle runs, and the service life of the vehicle is influenced.

The inner wall of the suspension bracket 1 is provided with a fixing groove 12, the inner bottom wall of the fixing groove 12 is provided with a steel plate spring 16, the fixing groove 12 is used for placing the steel plate spring 16, and the steel plate spring 16 is used for buffering and damping the vehicle; the surface of the axle 15 is provided with a bolt 18, the surface of the bolt 18 is in threaded connection with a nut 19, the bolt 18 is in a U-shaped structure, and the axle 15 and the leaf spring 16 are fixed together by the bolt 18 and the nut 19; the surface of the bolt 18 is connected with a plate spring support 17 in a sliding way, the plate spring support 17 is made of hard alloy materials, and the plate spring support 17 is used for supporting and fixing the plate spring 16.

The upper surface of the plate spring support 17 is fixedly connected with two partition plates 20, the distance between the two partition plates 20 is equal to the width of the steel plate spring 16, and the partition plates 20 are arranged for limiting the steel plate spring 16 to prevent the plurality of steel plate springs 16 from deviating; upper surface intermediate position fixedly connected with inlet tube 11 of mounted frame 1, first water inlet 11 is equipped with humanoid groove 22 with mounted frame 1 junction, two bottoms of humanoid groove 22 and the lateral wall UNICOM of water storage chamber 2, mounted frame 1 both ends position is equipped with two second inlet tubes 21, and water storage chamber 2 is run through to the bottom of second inlet tube 21, and the sodium carbonate flows into water storage chamber 2 from first water inlet 11 through humanoid groove, and acetic acid flows into the water storage chamber from second inlet tube 21, and acetic acid and sodium carbonate take place to react into water and carbon dioxide in water storage chamber 2.

A first water inlet pipe 11 is arranged for adding sodium carbonate into the water storage cavity 2; the air bag 13 is communicated with a vehicle air supply pipeline by arranging a second water inlet pipe 21 for adding acetic acid into the water storage cavity 2, and the air bag 13 is used for applying pressure to the steel plate spring 16.

The working principle of the invention is as follows: when the air bag type suspension device is used, a driver controls an air supply pipeline of a vehicle through an electromagnetic commutator to enable the air bag 13 to be inflated and deflated, in the driving process of the vehicle, the first water inlet pipe 11 and the second water inlet pipe 21 continuously provide acetic acid and sodium carbonate for the water storage cavity 2, so that water and carbon dioxide are reacted in the water storage cavity 2, the water and the carbon dioxide generated by the reaction flow through the first-stage branch pipe 5 and fall from the water outlet head 7 to the surface of the steel plate spring 16 above the water storage cavity to be cooled by water, meanwhile, carbon dioxide gas can take away part of heat and clear part of dust, water flows to the second-stage branch pipe 6 and is sprayed out of the flexible leather pipe 8, the spring 10 moves up and down due to bumping and vibration of the vehicle, the flexible leather pipe 8 further moves up and down to spray the steel plate spring 16 below the water in a large range, meanwhile, the carbon dioxide gas can take away part of heat and clear part of dust, and therefore the problem that an existing suspension device does not have spring cooling and dust removing functions of a plate is solved, the problem that the service life of a vehicle is affected because heat and dust generated by friction of a plate spring due to vehicle running can accelerate abrasion of the plate spring is supplemented, and it is necessary to supplement that an electromagnetic commutator enables an air bag to inflate and deflate in the prior art, which does not belong to the improvement point of the invention, and persons in the field should know that details are not described herein.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.