CN202508068U - External linkage supporting device for semitrailer - Google Patents
External linkage supporting device for semitrailer Download PDFInfo
- Publication number
- CN202508068U CN202508068U CN2012201212352U CN201220121235U CN202508068U CN 202508068 U CN202508068 U CN 202508068U CN 2012201212352 U CN2012201212352 U CN 2012201212352U CN 201220121235 U CN201220121235 U CN 201220121235U CN 202508068 U CN202508068 U CN 202508068U
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- CN
- China
- Prior art keywords
- solenoid directional
- air
- directional control
- semitrailer
- control valve
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Abstract
The utility model provides an external linkage supporting device for a semitrailer, which is used for supporting a chassis load when the semitrailer is used for drop and pull transport. The external linkage supporting device for the semitrailer comprises a air source pipeline system, a power control system, an execution unit and a speed gear shift unit, wherein an air filter, a pressure regulating valve, a lubricator, a joint and a pipe are connected with a brake air source of the semitrailer; meanwhile, two electromagnetic directional valves, two control buttons and a control circuit are connected with a direct current power source of the semitrailer; a pneumatic motor drives supporting legs to rise and fall by a spindle coupling to synchronously finish lift-up or put-down motion; a shift cylinder extends and contracts through the air source provided by the electromagnetic directional valves; and a shift connecting rod can be pulled to perform gear shifting of the supporting legs. According to the utility model, the supporting legs of the semitrailer can be synchronously put down or lifted up through automatic operation, so that the body damage to the driver caused by operation of the handles of the supporting legs can be avoided; and the free speed gear shifting during the lifting process of the supporting legs improves the automation degree in the operation process.
Description
Technical field
The utility model relates to the superimposed trailer field, relates in particular to external superimposed trailer interlock bearing set.
Background technology
All the time; When superimposed trailer carried out trailer dropped and picked up transportation, chaufeur or operator can only with the hands accomplish mentioning of semi-trailer support or put down, and the superimposed trailer both sides that especially have all are equipped with master leg; Operate the work of putting down simultaneously or mentioning supporting leg respectively by two people; Inharmonious slightly car body will tilt, and the transforming gear of supporting leg also is M/C, and the M/C semi-trailer support has not only consumed the muscle power of chaufeur; Also prolonged work-hours, and the damage of people, car happens occasionally also.Therefore how to let driver safety, to accomplish the operating process of mentioning or putting down supporting leg rapidly be a problem demanding prompt solution.
Summary of the invention
Break away from repetition and heavy manual labor in order to make chaufeur; The utility model provides a kind of external superimposed trailer interlock bearing set; It not only makes superimposed trailer go up and down automatically, rapidly, and for chaufeur provides the service conditions of safety and comfort, and the conversion speed keeps off automatically; Operating time is short, high efficiency.
The technical scheme of the utility model is: external superimposed trailer interlock bearing set, it comprises source of the gas pipeline system, power control system, performance element and speed shelves converter unit.Said source of the gas pipeline system is made up of air filter, pressure-modulation valve, oil sprayer, pneumatic elbow, Pneumatic three-way, air filter inlet pipe and solenoid directional control valve outlet pipe, the threeway of electromagnetic switch valve outlet port; Said power control system is made up of two solenoid directional control valves, gearshift connecting rod, gearshift cylinder, two control buttons and control box; Performance element is made up of plunging joint and air motor, master leg, passive supporting leg, input shaft pin, motor fixed mount, and speed shelves converter unit is made up of solenoid directional control valve, gearshift connecting rod, gearshift cylinder, plunging joint and master leg input shaft.
Said air filter, pressure-modulation valve and oil sprayer are fixed in the control box, and air filter is connected with the brake pneumatic tube with the air filter inlet pipe through Pneumatic three-way, and pressure-modulation valve links to each other with air compression gage.
Said solenoid directional control valve is fixed in the control box; Said control button is installed on the panel of control box; Give two solenoid directional control valve power supplies through the direct supply of tractor truck, the electromagnetic switch valve outlet is equipped with silencer, and a solenoid directional control valve air intake is connected with the air discharge port of oil sprayer through pipeline; Another solenoid directional control valve is connected plunging joint through the gearshift connecting rod with the gearshift cylinder; Solenoid directional control valve receives after control button sends different electric signal, changes the air feed direction or stops air feed, so that control execution unit is accomplished certain action.
Said air motor is fixed on chassis of semi-trailer skeleton attaching beam through the motor fixed mount; And link to each other with master leg input shaft, passive supporting leg through plunging joint, input shaft pin; When air motor rotates like this, will drive the master leg input shaft and the rotation of passive supporting leg that link to each other with it, the supporting leg input shaft passes to the gear cluster in the supporting leg change speed gear box with rotation; The gear cluster flower wheel drives the supporting leg synchronization action, thereby realizes putting down or mentioning the operation of supporting leg.The air intake of air motor links to each other with the gas vent of solenoid directional control valve respectively through the solenoid directional control valve export pipeline, and the air motor gas discharge outlet is equipped with silencer, so that the noise during the elimination exhaust.
Said gearshift cylinder is realized expanding-contracting action through the source of the gas that solenoid directional control valve provides, and pulls the conversion that the gearshift connecting rod is accomplished supporting leg speed gear.
The invention has the beneficial effects as follows: lean on operation automatically to put down or mention semi-trailer support; The actual bodily harm of avoiding chaufeur to cause because of operation supporting leg handle; Practiced thrift the time, and supporting leg can free conversion speed gear in the lifting process, simple in structure being easy to installed.
Description of drawings
Further the utility model is explained according to accompanying drawing below
Accompanying drawing 2 is top view constructionals drawing of the utility model embodiment one;
Shown in the figure: 1, air filter, 2, pressure-modulation valve, 3, air compression gage, 4, oil sprayer, 5, silencer; 6, solenoid directional control valve, 7, plunging joint, 8, air motor, 9, master leg, 10, the input shaft pin; 11, control button, 12, the motor fixed mount, 13, pneumatic elbow, 14, the master leg input shaft, 15, Pneumatic three-way; 16, brake pneumatic tube, 17, brake gas tank elbow, 18, the brake gas tank, 19, the air filter inlet pipe, 20, the control of solenoid directional control valve outlet pipe just changes; 21, solenoid directional control valve outlet pipe control inversion, 22, control box, 23, chassis of semi-trailer skeleton attaching beam, 24, the supporting leg change speed gear box; 25, electromagnetic switch valve outlet port threeway, 26, the gearshift connecting rod, 27, the gearshift cylinder, 28, passive supporting leg.
The specific embodiment
External superimposed trailer interlock bearing set illustrated in figures 1 and 2 is made up of source of the gas pipeline system, power control system performance element and speed shelves converter unit.Said source of the gas pipeline system by air filter 1, pressure-modulation valve 2, oil sprayer 4, pneumatic elbow 13, Pneumatic three-way 15, air filter inlet pipe 19 and the control of solenoid directional control valve outlet pipe just changeing 20, solenoid directional control valve outlet pipe control inversion 21 and electromagnetic switch valve outlet port threeway 25 form; Power control system is made up of two solenoid directional control valves 6, gearshift connecting rod 26, gearshift cylinder 27, two control buttons 11 and control box 22; Performance element is made up of plunging joint 7 and air motor 8, master leg 9, passive supporting leg 28, input shaft pin 10 and motor fixed mount 12, and speed shelves converter unit is made up of solenoid directional control valve 6, gearshift connecting rod 26, gearshift cylinder 27, plunging joint 7 and master leg input shaft 14.
Said air filter 1, pressure-modulation valve 2 and oil sprayer 4 are fixed in the control box 22, and air filter 1 is connected with brake pneumatic tube 16 with air filter inlet pipe 19 through Pneumatic three-way 15, and pressure-modulation valve 2 links to each other with air compression gage 3.
Preferably; As depicted in figs. 1 and 2; The source of the gas pipeline system of external superimposed trailer interlock bearing set among the embodiment; Taking from brake pneumatic tube 16 through air filter inlet pipe 19 and Pneumatic three-way 15, is that automatic bearing set provides stable power by superimposed trailer brake pressurized air, and also can being braked by superimposed trailer, other compressed air gas sources that are easy to obtain provide beyond the source of the gas.
Said solenoid directional control valve 6 is fixed in the control box 22; Said control button 11 is installed on the panel of control box 22; Give two solenoid directional control valves 6 power supplies through the direct supply of tractor truck, solenoid directional control valve 6 exhausr ports are equipped with 5, one solenoid directional control valve 6 air intakes of silencer and are connected through the air discharge port of pipeline with oil sprayer 4; Another solenoid directional control valve 6 connects plunging joint 7 through gearshift connecting rod 26, gearshift cylinder 27; Solenoid directional control valve 6 receives after control button 11 sends different electric signal, changes the air feed direction or stops air feed, so that control execution unit is accomplished certain action.
Said air motor 8 is fixed on chassis of semi-trailer skeleton attaching beam 23 through motor fixed mount 12, and through plunging joint 7, input shaft pin 10, link to each other with passive supporting leg 28 with master leg input shaft 14.Like this when solenoid directional control valve 6 is air motor 8 air feed; Air motor 8 rotations; Thereby drive the master leg input shaft 14 and passive supporting leg 28 rotations of master leg 9 through plunging joint 7, supporting leg change speed gear box 24 passes to its inner driven gear with rotation, thereby the operation that realization is put down or mentioned.Air motor 8 discharge sides are equipped with silencer 5, so that the noise when eliminating exhaust.
Said gearshift cylinder 27 is realized expanding-contracting action through the source of the gas that solenoid directional control valve 6 provides, and pulls the conversion that gearshift connecting rod 26 is accomplished supporting leg speed gear.
Preferably; As depicted in figs. 1 and 2; Can be correctly and carry out the action of putting down or mentioning synchronously for two supporting legs, the control of solenoid directional control valve outlet pipe is just changeing 20 through after the electromagnetic switch valve outlet port threeways 25, is connected to the positive converting interface of air motor 8; After the 21 process electromagnetic switch valve outlet port threeways 25 of solenoid directional control valve outlet pipe control inversion, be connected to the counter-rotating interface of air motor 8.
The implementation process of the utility model
When tractor truck is pulled superimposed trailer behind the destination; Chaufeur is parked superimposed trailer in place; Carry out " getting rid of extension " operation then, the control button of pressing on control box 22 panels 11 puts down the supporting leg button, and the direct supply of tractor truck gives solenoid directional control valve 6 power supplies; Make solenoid directional control valve 6 be in the valve position of putting down supporting leg; The brake air of superimposed trailer arrives air filters 1 through air filter inlet pipe 19 behind brake gas tank 18, brake gas tank elbow 17, brake pneumatic tube 16 and Pneumatic three-way 15, give air motor 8 air feed through pressure-modulation valve 2 oil sprayers 4 solenoid directional control valve 6 of flowing through with solenoid directional control valve outlet pipe control inversion 21 then; Air motor 8 drives plunging joint 7 contrarotations; Input shaft pin 10 is passed to master leg input shaft 14 with rotation, and the rotation of master leg input shaft 14 passes to supporting leg change speed gear box 24 inner driven gears, realizes putting down synchronously the operation of supporting leg.Gearshift cylinder 27 is realized expanding-contracting action through the source of the gas that solenoid directional control valve 6 provides, and pulls the conversion that gearshift connecting rod 26 is accomplished supporting leg speed gear.When superimposed trailer by jack-up to correct position, chaufeur unclamps control button 11, the termination air feed of cutting off the electricity supply, the operation of putting down supporting leg stops, chaufeur is thrown off brake gas source connector and the power supply connector between tractor truck and the superimposed trailer, removes tractor truck and accomplishes to get rid of and hang operation.
When chaufeur need be changed another superimposed trailer again; Need tractor truck and superimposed trailer are combined; After connecting brake gas source connector and power supply connector then, the control button of pressing on control box 22 panels 11 is mentioned the supporting leg button, and the direct supply of tractor truck gives solenoid directional control valve 6 power supplies; Make solenoid directional control valve 6 be in the valve position of mentioning supporting leg; The brake air of superimposed trailer arrives air filters 1 through air filter inlet pipe 19 behind brake gas tank 18, brake gas tank elbow 17, brake pneumatic tube 16 and Pneumatic three-way 15, then through pressure-modulation valve 2 oil sprayers 4 flow through solenoid directional control valve 6 with the solenoid directional control valve outlet pipe control just changeing 20 and giving air motor 8 air feed; Air motor 8 drives plunging joint 7 and is rotated in the forward; Input shaft pin 10 passes to passive supporting leg 28 with rotation, and passive supporting leg 28 rotations pass to supporting leg change speed gear box 24 inner driven gears, realize mentioning synchronously the operation of supporting leg.Gearshift cylinder 27 is realized expanding-contracting action through the source of the gas that solenoid directional control valve 6 provides, and pulls the conversion that gearshift connecting rod 26 is accomplished supporting leg speed gear, and chaufeur unclamps control button 11, the termination air feed of cutting off the electricity supply, and chaufeur is driven tractor truck and is carried out new task.
Whole to get rid of the operating process of hanging and change superimposed trailer simple, easily, and safety need not the heavy manual labor of chaufeur.
The above is the embodiment of the utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various improvement and variation.Any modification of being done within all spirit and principles at the utility model, be equal to replacement, improvement etc. and all should be contained within the claim scope of the utility model.
Claims (6)
1. external superimposed trailer interlock bearing set; Form by source of the gas pipeline system, power control system, performance element and speed shelves converter unit; It is characterized in that said source of the gas pipeline system just changes (20), solenoid directional control valve outlet pipe control inversion (21) and electromagnetic switch valve outlet port threeway (25) by air filter (1), pressure-modulation valve (2), oil sprayer (4), pneumatic elbow (13), Pneumatic three-way (15), air filter inlet pipe (19) and the control of solenoid directional control valve outlet pipe and forms; Power control system is made up of two solenoid directional control valves (6), two control buttons (11) and control box (22); Performance element is made up of plunging joint (7), air motor (8), master leg (9), passive supporting leg (28), input shaft pin (10) and motor fixed mount (12), and speed shelves converter unit is made up of solenoid directional control valve (6), gearshift connecting rod (26), gearshift cylinder (27), plunging joint (7) and master leg input shaft (14).
2. external superimposed trailer interlock bearing set according to claim 1; It is characterized in that said air filter (1), pressure-modulation valve (2) and oil sprayer (4) are fixed in the control box (22); Air filter (1) is connected with brake pneumatic tube (16) with air filter inlet pipe (19) through Pneumatic three-way (15), and pressure-modulation valve (2) links to each other with air compression gage (3).
3. external superimposed trailer interlock bearing set according to claim 1; It is characterized in that described solenoid directional control valve (6) is fixed in the control box (22); Said control button (11) is installed on the panel of control box (22); Give two solenoid directional control valves (6) power supply through the direct supply of tractor truck; Solenoid directional control valve (6) exhausr port is equipped with silencer (5), and a solenoid directional control valve (6) air intake is connected through the air discharge port of pipeline with oil sprayer (4), and another solenoid directional control valve is connected plunging joint (7) through gearshift connecting rod (26) with gearshift cylinder (27).
4. external superimposed trailer interlock bearing set according to claim 1; It is characterized in that described air motor (8) is fixed on chassis of semi-trailer skeleton attaching beam (23) through motor fixed mount (12); And link to each other with master leg input shaft (14), passive supporting leg (28) through plunging joint (7), input shaft pin (10), air motor (8) discharge side is equipped with silencer (5).
5. external superimposed trailer interlock bearing set according to claim 1 is characterized in that described source of the gas pipeline system is that automatic bearing set provides stable power by superimposed trailer brake pressurized air.
6. external superimposed trailer interlock bearing set according to claim 1, other compressed air gas sources that are easy to obtain provide beyond the source of the gas to it is characterized in that described source of the gas pipeline system being braked by superimposed trailer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201212352U CN202508068U (en) | 2012-03-28 | 2012-03-28 | External linkage supporting device for semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201212352U CN202508068U (en) | 2012-03-28 | 2012-03-28 | External linkage supporting device for semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202508068U true CN202508068U (en) | 2012-10-31 |
Family
ID=47060568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201212352U Expired - Fee Related CN202508068U (en) | 2012-03-28 | 2012-03-28 | External linkage supporting device for semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202508068U (en) |
-
2012
- 2012-03-28 CN CN2012201212352U patent/CN202508068U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20150328 |
|
| EXPY | Termination of patent right or utility model |