CN205841602U - The floating type elevating ram of driver's cabin - Google Patents
The floating type elevating ram of driver's cabin Download PDFInfo
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- CN205841602U CN205841602U CN201620698626.9U CN201620698626U CN205841602U CN 205841602 U CN205841602 U CN 205841602U CN 201620698626 U CN201620698626 U CN 201620698626U CN 205841602 U CN205841602 U CN 205841602U
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- cylinder body
- oil
- inner chamber
- driver
- cabin
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Abstract
This utility model relates to automobile cab lifting, fall after rise and servo-actuated oil cylinder, disclose the floating type elevating ram of driver's cabin, including cylinder body (1) and the oil nozzle joint (2) that is located at cylinder body (1) one end, the piston (14) slided it is provided with in cylinder body (1) in cylinder body (1), cylinder body (1) outside is provided with the hard tube (3) that one end is connected with cylinder body (1), the other end of hard tube (3) communicates with cylinder body (1) inner chamber, oil nozzle joint (2) one end is provided with first fluid connector (4), the other end of hard tube (3) is connected with first fluid connector (4).This utility model can provide bigger power output；Simple in construction, safe and reliable, change convenient and swift, damping size can be changed at any time, to adapt to different situations by different pressures and oil cylinder size；And the damping spring of driver's cabin produces less resistance, the mild safety of cylinder movement, do not have stall condition, effectively protect the personal safety of neighbouring personnel.
Description
Technical field
This utility model relates to automobile cab lifting, falls after rise and servo-actuated oil cylinder, particularly relates to a kind of driver's cabin and floats
Formula elevating ram.
Background technology
Bottom the commonly used cylinder barrel of cab hoisting cylinder used by commercial car, the mode of enlarging reaches the most both at home and abroad
Follow driving (damping) servo-actuated.Owing to existing market has higher requirement, this kind of side to safety and comfort and the weight of driving more
The oil cylinder of formula, in servomechanism process, can produce bigger resistance, and the damping spring of driver's cabin is produced large effect, this kind of side
The oil cylinder of formula is falling final stage after rise, and oil cylinder can be caused to accelerate suddenly, driver's cabin can cause certain damage, stall feelings occur
Condition, can cause damage to driver's cabin, even has hidden danger for security.
Summary of the invention
This utility model is for shortcoming of the prior art, it is provided that one steadily lifts, to driver's cabin damping spring shadow
Ring the less floating type elevating ram of driver's cabin.
In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals:
The floating type elevating ram of driver's cabin, including cylinder body and the oil nozzle joint being located at cylinder body one end, is provided with at cylinder in cylinder body
The piston of internal slip, is provided with the hard tube that one end is connected with cylinder body outside cylinder body, the other end of hard tube communicates with inner chamber of cylinder block, oil
Mouth joint one end is provided with first fluid connector, and the other end of hard tube is connected with first fluid connector.Hard tube and oil nozzle joint
Linkage section forms the servo-actuated trip segment of cylinder body, changes the servo-actuated stroke of cylinder body by changing the distance between hard tube and oil nozzle joint
Section, simple in construction, easy for installation, by external hard tube, it is to avoid time when oil cylinder falls after rise due to piston movement to servo-actuated trip segment
There is the situation of stall, improve stability when oil cylinder falls after rise.
As preferably, the other end of oil nozzle joint is additionally provided with second fluid connector, and the side of second fluid connector is provided with
Spool, first fluid connector is located at the lower section of spool, and the other end of oil nozzle joint is provided with the 3rd fluid connection, the 3rd fluid
Connector is located at the side of second fluid connector.
As preferably, it is provided with float trap, float trap and first fluid connector between spool and first fluid connector logical
Cross the first back-moving spring to connect.
As preferably, float trap includes floating valve seat and the damping screw threadeded with floating valve seat, in floating valve seat
Being provided with steel ball, one end of steel ball is connected by the second back-moving spring with floating valve seat, and the other end of steel ball coordinates with damping screw
Offset.Damping size can be changed at any time by different pressures and oil cylinder size, to adapt to different situations, if damping hole blocking,
After directly changing damping screw, can normally use again, it is ensured that the even running of oil cylinder.
This utility model, owing to have employed above technical scheme, has significant technique effect: can provide bigger output
Power, on driver's cabin damping spring impact less, change damping screw at any time, reach different damping size, adapt to various work work
Condition, the mild safety of cylinder movement, do not have stall condition, effectively protect the personal safety of neighbouring personnel, its compact conformation,
Reducing processing and the production cost of cylinder body, install simple, easy to use, lifting force is big, lifts steady and safe and reliable, is suitable for
Property strong, moderate cost, stable performance, the life-span is long.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
Fig. 2 is A-A profile in Fig. 1.
Fig. 3 is the structure chart of float trap.
The toponym that in accompanying drawing, each number designation is referred to is as follows: 1 cylinder body, 2 oil nozzle joints, 3 hard tubes, 4
First fluid connector, 5 second fluid connectors, 6 spools, 7 the 3rd fluid connection, 8 float traps, 9 first
Back-moving spring, 10 floating valve seats, 11 damping screws, 12 steel balls, 13 second back-moving springs, 14 pistons, 15,
16—、17—、18—、19—、20—、21—
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
The floating type elevating ram of driver's cabin, including cylinder body 1 and the oil nozzle joint 2 being located at cylinder body 1 one end, is provided with in cylinder body 1
The piston 14 slided in cylinder body 1, is provided with the hard tube 3 that one end is connected, the other end of hard tube 3 and cylinder body with cylinder body 1 outside cylinder body 1
1 inner chamber communicates, and oil nozzle joint 2 one end is provided with first fluid connector 4, and the other end of hard tube 3 is with first fluid connector 4 even
Connecing, hard tube and oil nozzle joint linkage section form the servo-actuated trip segment of cylinder body, and the other end of oil nozzle joint 2 is additionally provided with second fluid even
Fitting 5, the side of second fluid connector 5 is provided with spool 6, and first fluid connector 4 is located at the lower section of spool 6, oil nozzle joint 2
The other end is provided with the 3rd fluid connection 7, and the 3rd fluid connection 7 is located at the side of second fluid connector 5.
Being provided with float trap 8 between spool 6 and first fluid connector 4, float trap 8 and first fluid connector 4 are by the
One back-moving spring 9 connects, and float trap 8 includes floating valve seat 10 and the damping screw 11 threadeded with floating valve seat 10, floats
Being provided with steel ball 12 in valve seat 10, one end of steel ball 12 is connected by the second back-moving spring 13 with floating valve seat 10, steel ball 12 another
One end coordinates with damping screw 11 and offsets.
Cylinder body 1 inner chamber between piston 14 and oil nozzle joint 2 is the big chamber of oil cylinder 20, cylinder body 1 inner chamber of piston 14 opposite side
For oil cylinder loculus 21；Forming the first inner chamber 15 in oil nozzle joint 2 and between floating valve seat 10, in oil nozzle joint 2, first fluid is even
Space between fitting 4 and float trap 8 is the second inner chamber 16, and the space between float trap 8 and the 3rd fluid connection 7 is the 3rd
Inner chamber 17, the space between spool 6 and second fluid connector 5 is the 4th inner chamber 18, is provided with the 5th inner chamber in floating valve seat 10
19, second fluid connector 5 is connected with oil cylinder loculus 21, and the first inner chamber 15 chamber big with oil cylinder 20 is connected, the first inner chamber 15 and
Five inner chambers 19 connect, and the second inner chamber 16 and the 5th inner chamber 19 are blocked by steel ball；
During driver's cabin lifting, when piston 14 enters servo-actuated trip segment, pressure oil enters the 3rd by the 3rd fluid connection 7
Inner chamber 17, pressure float trap 8 entirety moves down, and the first back-moving spring 9 is compressed simultaneously, and pressure oil enters the first inner chamber 15,
Owing to the first inner chamber 15 communicates with the 5th inner chamber 19, steel ball 12 does not moves, and keeps the 5th inner chamber 19 to block with the second inner chamber 16, pressure
Power oil is entered the big chamber of oil cylinder 20 by the first inner chamber 15, simultaneously oil cylinder loculus 21 by second fluid connector 5 oil return to fuel tank, complete
Become the oil cylinder lifting motion in this stage；When piston 14 skids off servo-actuated trip segment, pressure oil enters the by the 3rd fluid connection 7
Three inner chambers 17, make float trap 8 entirety move down, and the first back-moving spring 9 is compressed simultaneously, and pressure oil enters the first inner chamber 15,
Float trap 4 is in quick condition, and the first inner chamber 15 communicates with the 5th inner chamber 19, and the 5th inner chamber 19 pressure is slightly larger than the second inner chamber
16, the active force that additional first back-moving spring 9 produces keeps steel ball 12 not move, and keeps the second inner chamber 16 and the 5th inner chamber 1
Block (if produce compression shock; steel ball 10 is in quick condition, pressure oil all the time in the big chamber of oil cylinder 20, to motion do not produce
Impact), pressure oil is entered the big chamber of oil cylinder 20 by the first inner chamber 15, and oil cylinder loculus 21 is by fluid connection 2 oil return extremely oil simultaneously
Case, completes the oil cylinder lifting motion in this stage.
When driver's cabin falls after rise, when piston 14 is introduced into servo-actuated trip segment, pressure oil is entered into by second fluid connector 5
4th inner chamber 18, enters into oil cylinder loculus 21 by the 4th inner chamber 18, and promotes spool 6 and then float trap 8 is produced thrust, with
Time the big chamber of oil cylinder 20 in oil enter into the second inner chamber 16, the oil in the big chamber of oil cylinder 20 by hard tube 3 and first fluid connector 4
Also entering into the 5th inner chamber 19 from the first inner chamber 15, owing to the 5th inner chamber 19 and the second inner chamber 16 are all oil back chamber, steel ball 12 is protected
Holding in situ, the thrust of spool 6 is more than the elastic force of the first back-moving spring 9, and the first back-moving spring 9 is compressed, and makes float trap 8 move,
Oil in the big chamber of oil cylinder 20 passes through float trap 8, flows through the 3rd inner chamber 17 and the 3rd fluid connection 7 returns to fuel tank；Piston 14 enters
When entering servo-actuated trip segment, pressure oil enters into the 4th inner chamber 18 by second fluid connector 5, is entered into by the 4th inner chamber 18
Oil cylinder loculus 21, and promote spool 6 and then float trap 8 is produced thrust, the oil in oil cylinder loculus 21 is by hard tube 3 and the simultaneously
One fluid connection 4 enters into the second inner chamber 16, and now the 5th inner chamber 19 is oil back chamber, and steel ball 12 is pressure in oil cylinder loculus 21
Backing down steel ball 12 under the effect of oil, pressure oil enters the 5th inner chamber 19, enters back into the first inner chamber 15, makes float trap 8 two ends the
The pressure of one inner chamber 15 and the second inner chamber 16 is equal, and spool 3 promotes float trap 8 to move down, and the oil in the big chamber of oil cylinder 20 is by floating
Valve the 8, the 3rd inner chamber 17 and the 3rd fluid connection 7 return to fuel tank, simultaneously in oil cylinder loculus 21 least a portion of oil by damping spiral shell
Nail the 11, the 5th inner chamber the 19, first inner chamber 15 returns to fuel tank, effectively reduces the speed of falling, it is ensured that steadily returning of driver's cabin
Fall.
In driving states, piston 14 is in servo-actuated trip segment, and when driver's cabin is in by lifting state, oil cylinder loculus 21 is subject to
Pressure, a part of pressure oil enters into the second inner chamber 16 by hard tube 3, first fluid connector, and enters into oil through float trap 8
In the big chamber of cylinder 20；If the pressure of pressure oil is relatively big in oil cylinder loculus 21, the damping hole on damping screw 11 has little time to flow out, unnecessary
Pressure oil enter into the 3rd inner chamber 17 from the 3rd fluid connection 7, make float trap 8 move down, the oil in the big chamber of oil cylinder 20 passes through
First inner chamber the 15, the 3rd inner chamber the 17, the 3rd fluid connection 7 returns to fuel tank；Piston 14 is in servo-actuated trip segment, and driver's cabin is in
During by the state of falling after rise, oil cylinder big chamber 20 pressurized, pressure oil enters into the 5th inner chamber 19 by the first inner chamber 15, the 5th inner chamber 19
Pressure is more than the pressure of the second inner chamber 16, and steel ball 12 remains stationary as, and the pressure of the first inner chamber 15 is higher than the pressure of the second inner chamber 16,
The pressure of the first inner chamber 15 overcomes the elastic force of the first return spring 9, and float trap 8 moves down, and the oil in the big chamber of oil cylinder 20 passes through first
Inner chamber the 15, the 3rd inner chamber the 17, the 3rd fluid connection 17 returns fuel tank, and under formation state, oil cylinder moves in servo-actuated trip segment
After for several times, in the minimizing of hydraulic oil, the vacuum state of part can be produced.In this case the damping spring of driver's cabin is affected meeting
Become is the least, reduces the driver's cabin pressure to spring, extends the service life of spring, improves relaxing of driver's cabin simultaneously
Adaptive.
In a word, the foregoing is only preferred embodiment of the present utility model, all according to this utility model claim institute
Impartial change and the modification made, all should belong to the covering scope of this utility model patent.
Claims (4)
1. the floating type elevating ram of driver's cabin, including cylinder body (1) and the oil nozzle joint (2) that is located at cylinder body (1) one end, cylinder body (1)
Inside it is provided with in cylinder body (1) piston (14) slided, it is characterised in that: cylinder body (1) outside is provided with what one end was connected with cylinder body (1)
Hard tube (3), the other end of hard tube (3) communicates with cylinder body (1) inner chamber, and oil nozzle joint (2) one end is provided with first fluid connector
(4), the other end of hard tube (3) is connected with first fluid connector (4).
The floating type elevating ram of driver's cabin the most according to claim 1, it is characterised in that: the other end of oil nozzle joint (2)
Being additionally provided with second fluid connector (5), the side of second fluid connector (5) is provided with spool (6), and first fluid connector (4) sets
In the lower section of spool (6), the other end of oil nozzle joint (2) is provided with the 3rd fluid connection (7), and the 3rd fluid connection (7) sets
Side in second fluid connector (5).
The floating type elevating ram of driver's cabin the most according to claim 2, it is characterised in that: spool (6) and first fluid are even
It is provided with float trap (8), float trap (8) and first fluid connector (4) between fitting (4) to be connected by the first back-moving spring (9).
The floating type elevating ram of driver's cabin the most according to claim 3, it is characterised in that: float trap (8) includes float trap
Seat (10) and the damping screw (11) threadeded with floating valve seat (10), be provided with steel ball (12), steel ball in floating valve seat (10)
(12) one end is connected by the second back-moving spring (13) with floating valve seat (10), the other end of steel ball (12) and damping screw
(11) cooperation offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698626.9U CN205841602U (en) | 2016-06-29 | 2016-06-29 | The floating type elevating ram of driver's cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698626.9U CN205841602U (en) | 2016-06-29 | 2016-06-29 | The floating type elevating ram of driver's cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841602U true CN205841602U (en) | 2016-12-28 |
Family
ID=58150003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620698626.9U Active CN205841602U (en) | 2016-06-29 | 2016-06-29 | The floating type elevating ram of driver's cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117307550A (en) * | 2023-11-08 | 2023-12-29 | 湖北盛达动力科技有限公司 | Cab overturning oil cylinder with adjustable damping and balance |
-
2016
- 2016-06-29 CN CN201620698626.9U patent/CN205841602U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117307550A (en) * | 2023-11-08 | 2023-12-29 | 湖北盛达动力科技有限公司 | Cab overturning oil cylinder with adjustable damping and balance |
| CN117307550B (en) * | 2023-11-08 | 2024-04-12 | 湖北盛达动力科技有限公司 | Cab overturning oil cylinder with adjustable damping and balance |
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| GR01 | Patent grant |