CN207374349U - Semitrailer Pneumatic outrigger - Google Patents
Semitrailer Pneumatic outrigger Download PDFInfo
- Publication number
- CN207374349U CN207374349U CN201721500187.7U CN201721500187U CN207374349U CN 207374349 U CN207374349 U CN 207374349U CN 201721500187 U CN201721500187 U CN 201721500187U CN 207374349 U CN207374349 U CN 207374349U
- Authority
- CN
- China
- Prior art keywords
- supporting leg
- pneumatic
- cylinder
- lock
- vehicle frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model is related to a kind of semitrailer Pneumatic outriggers, equipped with pneumatic lifter, pneumatic locking system, safety device, pneumatic lifter includes passing through the first hinged point articulated lifting cylinder with two side lower part of vehicle frame, lifting cylinder is hinged by the second hinge joint with supporting leg, lifting cylinder is connected with pneumatic line, pneumatic locking system includes lock-up cylinder, the piston rod of lock-up cylinder is connected with lock pin, lock pin is fixed on supporting leg on U-shaped supporting leg seat after being inserted into the first lockhole, the second lockhole, and stable support function is provided to supporting leg；The utility model also sets safety device, including one end and the fixed chain of two side bottom of vehicle frame, the chain other end is connected with hook, supporting leg is equipped with otic placode, otic placode is tangled when supporting leg is elevated cylinder pull-up and provides safety effect for supporting leg, trailer is avoided to deviate to fall from lifting cylinder in the supporting leg that jolts and cause the accident.
Description
Technical field
The utility model is related to a kind of semitrailer Pneumatic outriggers, belong to ground jack for transportation automobile technical field.
Background technology
Traction semitrailer is often used in transport or of short duration storage cargo, and often a drawing head is used with multiple compartments, and is showed
Some tractions semi-trailer support mostly realizes the lifting of supporting leg using pneumatic type.
There are following defects for existing semitrailer Pneumatic outrigger：
(1) existing semitrailer Pneumatic outrigger generally with supporting leg seat for articulated connection, supporting leg put down after due to hinged work
It is unstable with supporting leg, it is also possible to there are certain angle so as to which support cannot be provided to vehicle frame vertically, support to be caused to fail；
(2) the boosted air cylinder lifting of Pneumatic outrigger, semitrailer in the process of moving, since road conditions are bad, occur larger
It jolts, supporting leg is caused to be deviate from from lifting cylinder, supporting leg, which falls to contact to earth, in traveling causes the accidents such as semitrailer rollover.
Utility model content
The utility model aim is to provide a kind of semitrailer Pneumatic outrigger, equipped with outrigger locking device, be provided to supporting leg
Stabilization is additionally provided with safety device, and trailer is avoided to deviate to fall from lifting cylinder in the supporting leg that jolts and cause the accident.
Semitrailer Pneumatic outrigger described in the utility model including vehicle frame, pneumatic line and sets vehicle frame front lower portion
The U-shaped supporting leg seat of both sides is additionally provided with supporting leg, stretches at the top of supporting leg inside U-shaped supporting leg seat and is cut with scissors by articulated shaft and U-shaped supporting leg seat
It connects, is additionally provided with pneumatic lifter, pneumatic locking system, safety device；
The pneumatic lifter includes promoting gas by the first hinged point articulated lifting cylinder with two side lower part of vehicle frame
Cylinder is hinged by the second hinge joint with supporting leg, and lifting cylinder is connected with pneumatic line；
The pneumatic locking system includes being arranged on two lock-up cylinders of bottom of frame, and lock-up cylinder connects with pneumatic line
It connects, lock-up cylinder is fixedly connected by steel plate with bottom of frame, and the piston rod of lock-up cylinder is connected with dismountable lock pin, U-shaped
The first lockhole, the second lockhole are respectively equipped on supporting leg seat and supporting leg, lock pin, the first lockhole, the second lockhole are located at same straight line
On；
The safety device includes one end and the fixed chain of two side bottom of vehicle frame, the chain other end are connected with hook, supporting leg
Otic placode is equipped with, otic placode is tangled when supporting leg is elevated cylinder pull-up and provides safety effect for supporting leg.
Control valve is all provided on the pipeline of lifting cylinder, lock-up cylinder and pneumatic line connection.
The piston rod connecting pin of lock pin and lock-up cylinder is tubular, and the piston rod insertion lock pin tubular of lock-up cylinder is empty
The intracavitary and standing screw by being screwed on lock pin shell is fixed.
The utility model compared with prior art, has the advantages that.
(1) the utility model is equipped with pneumatic locking system, and pneumatic locking system includes lock-up cylinder, the piston of lock-up cylinder
Bar is connected with lock pin, and lock pin is fixed on supporting leg on U-shaped supporting leg seat after being inserted into the first lockhole, the second lockhole, is carried to supporting leg
For stable support function；
(2) the utility model also sets safety device, including one end and the fixed chain of two side bottom of vehicle frame, the chain other end
Hook is connected with, supporting leg is equipped with otic placode, otic placode is tangled when supporting leg is elevated cylinder pull-up and provides safety effect for supporting leg, is kept away
Exempt from trailer and deviate to fall from lifting cylinder in the supporting leg that jolts to cause the accident.
Description of the drawings
Structure diagram when Fig. 1, one embodiment supporting leg of the utility model are put down；
Supporting leg is drawn high structure diagram in Fig. 2, Fig. 1；
Fig. 3, Fig. 1 left view.
In figure：1st, vehicle frame 2, chain 3, lifting cylinder 4, the first hinge joint 5, hook 6, otic placode 7, the second hinge joint
8th, supporting leg 9, the first lockhole 10, articulated shaft 11, U-shaped supporting leg seat 12, the second lockhole 13, lock pin 14, standing screw
15th, lock-up cylinder 16, steel plate.
Specific embodiment
The utility model is described further with reference to embodiment and Figure of description.
As shown in Figs. 1-3, semitrailer Pneumatic outrigger described in the utility model, including vehicle frame 1, pneumatic line, Yi Jishe
The U-shaped supporting leg seat 11 of 1 front lower portion both sides of vehicle frame is put, is additionally provided with supporting leg 8,8 top of supporting leg is stretched into 11 inside of U-shaped supporting leg seat and led to
It is hinged with U-shaped supporting leg seat 11 to cross articulated shaft 10, is additionally provided with pneumatic lifter, pneumatic locking system, safety device；
The pneumatic lifter includes carrying by the hinged lifting cylinder 3 of the first hinge joint 4 with 1 liang of side lower part of vehicle frame
It is hinged with supporting leg 8 by the second hinge joint 7 to rise cylinder 3, lifting cylinder 3 is connected with pneumatic line；
The pneumatic locking system includes being arranged on two lock-up cylinders 15 of 1 bottom of vehicle frame, lock-up cylinder 15 with it is pneumatic
Pipeline connects, and lock-up cylinder 15 is fixedly connected by steel plate 16 with 1 bottom of vehicle frame, and the piston rod of lock-up cylinder 15 is connected with detachably
Lock pin 13, be respectively equipped with the first lockhole 9, the second lockhole 12, lock pin 13, the first lockhole on U-shaped supporting leg seat 11 and supporting leg 8
9th, the second lockhole 12 is located along the same line；
The safety device includes one end and the fixed chain 2 of 1 liang of side bottom of vehicle frame, 2 other end of chain are connected with hook 5,
Supporting leg 8 is equipped with otic placode 6, and it is that supporting leg 8 provides safety effect that 5 are linked up with when supporting leg 8 is elevated 3 pull-up of cylinder and tangles otic placode 6.
Control valve is all provided on the pipeline that lifting cylinder 3, lock-up cylinder 15 are connected with pneumatic line.
The piston rod connecting pin of lock pin 13 and lock-up cylinder 15 is tubular, and the piston rod of lock-up cylinder 15 is inserted into lock pin
In 13 tubular cavitys and the standing screw 14 by being screwed on 13 shell of lock pin is fixed.
Claims (3)
1. a kind of semitrailer Pneumatic outrigger, including vehicle frame (1), pneumatic line and the U for setting vehicle frame (1) front lower portion both sides
Shape supporting leg seat (11), is additionally provided with supporting leg (8), stretched at the top of supporting leg (8) U-shaped supporting leg seat (11) it is internal and by articulated shaft (10) with
U-shaped supporting leg seat (11) is hinged, it is characterised in that：It is additionally provided with pneumatic lifter, pneumatic locking system, safety device；
The pneumatic lifter is included with (1) two side lower part of vehicle frame through the hinged lifting cylinder (3) of the first hinge joint (4),
Lifting cylinder (3) is hinged by the second hinge joint (7) and supporting leg (8), and lifting cylinder (3) is connected with pneumatic line；
The pneumatic locking system includes being arranged on two lock-up cylinders (15) of vehicle frame (1) bottom, lock-up cylinder (15) and gas
Dynamic pipeline connection, lock-up cylinder (15) are fixedly connected by steel plate (16) with vehicle frame (1) bottom, the piston rod of lock-up cylinder (15)
Dismountable lock pin (13) is connected with, the first lockhole (9), the second lockhole are respectively equipped on U-shaped supporting leg seat (11) and supporting leg (8)
(12), lock pin (13), the first lockhole (9), the second lockhole (12) are located along the same line；
The safety device includes (1) the two fixed chain of side bottom (2) of one end and vehicle frame, and chain (2) other end is connected with hook
(5), supporting leg (8) is equipped with otic placode (6), and (5) are linked up with when supporting leg (8) is elevated cylinder (3) pull-up and tangle otic placode (6) as supporting leg
(8) safety effect is provided.
2. semitrailer Pneumatic outrigger according to claim 1, it is characterised in that：Lifting cylinder (3), lock-up cylinder (15) with
Control valve is all provided on the pipeline of pneumatic line connection.
3. semitrailer Pneumatic outrigger according to claim 1, it is characterised in that：Lock pin (13) and lock-up cylinder (15)
Piston rod connecting pin is tubular, and the piston rod of lock-up cylinder (15), which is inserted into lock pin (13) tubular cavity and passes through, is screwed in lock
Standing screw (14) on shotpin (13) shell is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721500187.7U CN207374349U (en) | 2017-11-10 | 2017-11-10 | Semitrailer Pneumatic outrigger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721500187.7U CN207374349U (en) | 2017-11-10 | 2017-11-10 | Semitrailer Pneumatic outrigger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207374349U true CN207374349U (en) | 2018-05-18 |
Family
ID=62332499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721500187.7U Expired - Fee Related CN207374349U (en) | 2017-11-10 | 2017-11-10 | Semitrailer Pneumatic outrigger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207374349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891091A (en) * | 2020-07-20 | 2020-11-06 | 常路玉 | Support leg mechanism control device of semitrailer |
| CN111927315A (en) * | 2020-07-30 | 2020-11-13 | 江苏理工学院 | Single-arm rock drilling machine with series-parallel mechanism |
-
2017
- 2017-11-10 CN CN201721500187.7U patent/CN207374349U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891091A (en) * | 2020-07-20 | 2020-11-06 | 常路玉 | Support leg mechanism control device of semitrailer |
| CN111927315A (en) * | 2020-07-30 | 2020-11-13 | 江苏理工学院 | Single-arm rock drilling machine with series-parallel mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20211110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |