CN1970372A - Integral type manual hydraulic lifting device for driving cabin turn-over - Google Patents
Integral type manual hydraulic lifting device for driving cabin turn-over Download PDFInfo
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- CN1970372A CN1970372A CN 200610131671 CN200610131671A CN1970372A CN 1970372 A CN1970372 A CN 1970372A CN 200610131671 CN200610131671 CN 200610131671 CN 200610131671 A CN200610131671 A CN 200610131671A CN 1970372 A CN1970372 A CN 1970372A
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Abstract
The overall manual hydraulic driving cabin tilting lifter combines the manual pump, control system, one-way valve, throttle valve, lifting oil cylinder, lifting piston, follower, seal, control fuel line and oil tank on a body to form the overall structure. All the components are connected through the internal fuel line, with the lifting oil tank, lifting piston, follower, hanging ring and oil tank connected, with the manual pump integrated inside the body or installed at the left of the body. It integrates the oil tank, lifting cylinder and piston and follower to form this device, avoids the oil leakage issue of separate structure, with reliability, less failure rate, low cost, fine overall assembly process and convenient changing.
Description
Technical field
The invention belongs to automobile technical field, be specifically related to a kind of driver's cab turnover lifting device, international Patent classificating number is: B62D33/067.
The existing cab tilting device of background technology mainly contains following three kinds of forms at present, and a kind of is the torque spring formula, torque spring is installed on the fulcrum before operator's compartment, and is given pre-torsion, is used to lower the gravity of operator's compartment; Second kind is to adopt screw-rod structure; The third adopts the manual or electronic mode of hydraulic gear; Above-mentioned three kinds of modes all have different defectives.The labour intensity of the upset chaufeur of first and second kind operator's compartment is very big and dangerous; The third has split type driver's cab turnover device to come out, and the oil pump of this tumbler and hydraulic ram are that two body branches are put, and the centre is connected by oil pipe, oil pipe in use easily is worn and causes system's leakage of oil, secondly make the tumbler operational failure, pipe seal is not good causes leakage of oil, and assembly process process is poor.Chinese patent disclosed the patent No. on August 16th, 2006 and has been: ZL200520028745.5, name is called: lifting device for driving cabin turn-over, this patent are electronic and manually integrated, have overcome above-mentioned deficiency, though more convenient, suitable, productive costs is than higher.
Summary of the invention
Goal of the invention of the present invention provides safety, compact conformation, and is easy to use, a kind of integral type manual hydraulic lifting device for driving cabin turn-over that cost is lower.
The present invention is integrated in manual pump body interior or is installed in body top; And all control cock and institute's bonded assembly oil duct all are integrated in body interior; The oil pipe that does not expose outside of the present invention;
The present invention is made up of lifting body, manual pump, oil cylinder, in described lifting device body left side elevating ram is installed, and manual pump is installed on the right side or is integrated in body interior;
In described lifting device body front change-over valve bar handle and manual pump bar handle are installed successively from bottom to top;
In described lifting device body right side high pressure check valve 20 is installed, or the high pressure check valve is installed in the body aft end face;
From the right side and a left side installs successively that the commutation valve oil is stifled 16, one-way throttle valve 17, hydraulic control one-way valve 18, high pressure check valve 20, or one-way throttle valve 17, hydraulic control one-way valve 18, commutation valve oil stifled 16 are installed at described lifting device body aft end face from bottom to top;
Oil sucting one-way valve 19 is installed or oil sucting one-way valve (19) is contained in body interior at the upper left end face of described lifting device body;
Have the oil duct that connects all installing components on the body in described body interior;
Suspension ring are connected with the anti-rotation straight pin by screw thread with piston rod, in suspension ring are fixed on oscillating bearing by the steel wire snap ring; Described oil cylinder is made up of oil cylinder overcoat, oil cylinder, piston rod and piston, oil cylinder is connected with body by screw thread, and oil return pipe is inserted on the body on oil cylinder right side, and overcoat is installed in the oil cylinder and the oil return pipe outside, overcoat and body free-running fit are by O type ring radial seal; Clamp nut is fastened on oil cylinder on the body together with overcoat by the screw thread on oil cylinder top; The top of oil return pipe is inserted in the spacer shell that is installed in overcoat top, has 4 return openings at oil cylinder and spacer shell annular groove junction; Inside at oil cylinder is equipped with piston rod;
Described piston rod is cylindrical; The bottom of piston rod connects piston by seam and straight pin; Piston has three road annular grooves, and the first and the 3rd road is equipped with oil sealing, and second road is equipped with carrier ring;
In body left end bottom ear seat 8 is arranged, top is equipped with elevating ram, hydraulic hand-pump 6 is installed on body right-hand member top or hydraulic hand-pump 6 is installed in the body right side;
In body interior rotation change-over valve 9 and steering unit are installed, in upper surface, body right side manual pump steering unit 10 are installed, or manual pump 6 and steering unit 10 are installed in the body right side;
In body interior change-over valve and steering unit have been installed, high pressure check valve, one-way throttle valve, hydraulic control one-way valve;
In inside, body right side change-over valve and steering unit have been installed, hydraulic hand-pump and steering unit, high pressure check valve, oil sucting one-way valve, one-way throttle valve, hydraulic control one-way valve;
Be processed with oil guide groove and piston in the oil cylinder bottom and form the oil cylinder follow-up mechanism.
Manual pump adopts rotary oscillation cam mode, and is arranged in the body right side, or is installed in upper surface, body right side.
Concrete operations:
Lifting: send into oil cylinder bottom promotion piston upward movement with differential form through hydraulic control one-way valve and one-way throttle valve by the high pressure oil that the rotary valve high-pressure mouth transmits, epicoele hydraulic oil is got back to the rotary valve high-pressure mouth through oil return pipe and is finished lifting;
Stop: when manual pump stops to carry high pressure oil, make operator's compartment be parked in desired location because the high pressure oil that the oil cylinder bottom flows to the loop is closed in the effect of hydraulic control one-way valve rapidly.Guarantee that the operator's compartment by gravity does not fall after rise;
Fall after rise: make the high pressure oil of manual pump generation oppositely enter oil duct by rotating change-over valve, like this, high pressure oil is told one and is opened hydraulic control one-way valve, another enters the oil cylinder epicoele from oil return pipe, act on piston, piston is descended, the hydraulic oil of oil cylinder cavity of resorption is through the one-way throttle valve oil sump tank, avoided making its steady falling because of gravity causes the operator's compartment falling too fast;
The present invention is integrated in manual pump, operating control mechanism, lower ear base on the body, fuel tank, lifting cylinder and piston, follow mechanism are integrated in one, there is not the outside oil pipe that connects, avoided the leakage of oil problem, had compact conformation, reliable operation, reduce fault rate, reduce production costs, assembly process process is good, changes good effect easily.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the front view of the embodiment of the invention 1;
Fig. 3 is the local vertical section structure figure of Fig. 2;
Fig. 4 is the ladder longitudinal profile view of the embodiment of the invention 1;
Fig. 5 is the horizontal step profile view of Fig. 2;
Fig. 6 is the birds-eye view of the embodiment of the invention 1;
Fig. 7-Figure 10 is the embodiment of the invention 1 a body duct scheme drawing;
Figure 11 is the hydraulic schematic diagram of the embodiment of the invention 1;
Figure 12 is the structural representation of the embodiment of the invention 2;
Figure 13 is the front view of the embodiment of the invention 2;
Figure 14 is the cross section view of the embodiment of the invention 2 manual pump pistons and oil sucting one-way valve;
Figure 15 is the cross section view that the embodiment of the invention 2 manual pumps and rotary valve are handled;
Figure 16 is the ladder longitudinal profile view of the embodiment of the invention 2;
Figure 17 is the transverse cross sectional view of the embodiment of the invention 2 rotary valves;
Figure 18 is the cross section view of the embodiment of the invention 2 one-way throttle valves;
Figure 19 is the embodiment of the invention 2 birds-eye vieies;
Figure 20 is the cross section view of the embodiment of the invention 2 high pressure check valves;
Figure 21-Figure 24 is the embodiment of the invention 2 body duct scheme drawings;
Figure 25 is the hydraulic schematic diagram of the embodiment of the invention 2.
The specific embodiment
Embodiment 1:
The present invention rises body 7, manual pump 6, elevating ram 5 and forms by lifting this reality, at described lifting device body 7 left sides installation elevating ram 5, at right side installation manual pump 6;
In described lifting device body 7 fronts change-over valve bar handle 9 and manual pump bar handle 10 are installed successively from bottom to top;
In described lifting device body 7 right sides high pressure check valve 20 is installed;
At described lifting device body 7 aft end faces from the right side and a left side installs successively that the commutation valve oil is stifled 16, one-way throttle valve 17, hydraulic control one-way valve 18, high pressure check valve 20;
At described lifting device body 7 upper left end faces oil sucting one-way valve 19 is installed;
Have the oil duct that connects all installing components on the body in described body 7 inside;
Suspension ring 1 are connected with the anti-rotation straight pin by screw thread with piston rod 2, in suspension ring 1 are fixed on oscillating bearing by the steel wire snap ring; Described oil cylinder 5 is made up of oil cylinder overcoat, oil cylinder, piston rod and piston 14, oil cylinder is connected with body 7 by screw thread, and oil return pipe 12 is inserted on the body on oil cylinder right side, and overcoat is installed in the oil cylinder and the oil return pipe outside, overcoat and body free-running fit are by O type ring radial seal; Clamp nut 3 is fastened on oil cylinder on the body together with overcoat by the screw thread on oil cylinder top; The top of oil return pipe is inserted in the spacer shell 4 that is installed in overcoat top, has 4 return openings at oil cylinder and spacer shell annular groove junction; Inside at oil cylinder is equipped with piston rod; 11 is that oil is stifled among Fig. 1;
Described piston rod 2 is cylindrical; The bottom of piston rod connects piston by seam and straight pin; Piston has three road annular grooves, and the first and the 3rd road is equipped with oil sealing, and second road is equipped with carrier ring;
In body 7 left end bottoms ear seat 8 is arranged, top is equipped with elevating ram 5, on body 7 right-hand member tops hydraulic hand-pump 6 is installed;
In body 7 inside rotation change-over valve 9 and steering unit are installed, manual pump steering unit 10 are installed in upper surface, body right side;
In body interior change-over valve and steering unit have been installed, high pressure check valve, one-way throttle valve, hydraulic control one-way valve;
In inside, body right side change-over valve and steering unit have been installed, hydraulic hand-pump and steering unit, high pressure check valve, oil sucting one-way valve, one-way throttle valve, hydraulic control one-way valve;
Be processed with oil guide groove and piston in the oil cylinder bottom and form the oil cylinder follow-up mechanism.
Manual pump adopts rotary oscillation cam mode, and is arranged in the body right side, or is installed in upper surface, body right side.
The duct that each parts uses in the body 7 concentrates on body interior with relevant oil duct and pump housing, and the arrangement of its each phase oil canal and valve body sees that figure marks 30 holes (seeing shown in Fig. 7-10) altogether:
010 for pressing oily check valve duct; 030 is the oil sucting one-way valve duct; 001 is that the rotary valve duct is formed in steering unit duct, 001 and 017 coaxial perforation; 012 is the hydraulic control one-way valve duct: 014 is the one-way throttle valve duct;
(1) body upper surface left-to-right is arranged in order oil cylinder and fuel tank lower chamber 008, manual pump lower chamber 006;
(2) have manual pump oil suction road 018, be communicated with deadweight check valve duct 030 at body left side aligning 026 by 007.In the manual pump cavity, have dead-weight check valve duct 030 with pressing the oil duct certain distance; 029 is high pressure oil output duct.And 026,018,007 and 030 composition oil suction road.
(3) positive center has central oil duct 015,015 and 020 perforation under the right side.015 and 020 is divided into fuel tank by rotary valve exports oil duct and the reverse oil duct of commutation high pressure.024 and 020 forms fuel tank output oil duct, and 028,002,015 forms the reverse oil duct of commutation high pressure.
(4) right back end face has hydraulic control one-way valve duct 012, and bore end leads to central oil duct 015 by 003; Oil inlet leads to rotary valve duct 017 by 004,013,031; Oil outlet by 023,011,022, one-way throttle valve duct 014 is logical with oil cylinder inlet oil duct 027.
(5) having 014,014 outlet of one-way throttle valve opening at right back end face directly leads to 027.Oil cylinder bottom high pressure oil oppositely arrives the fuel tank throttling by one-way throttle valve, on the contrary not throttling.014 inlet is communicated with hydraulic control one-way valve 012 outlet by 022,023,011.
(6) have the oily check valve of pressure duct 010,010 inlet at the most right back face of body and press oil duct 029 to be communicated with the manual pump cavity, outlet is communicated with high-pressure oil duct 019 by 005,009,021.
Embodiment 2:
The employed duct of each parts is integrated in body interior with relevant oil duct and manual pump cavity in the body 7,
See that figure marks 40 holes (seeing shown in Figure 21-24) altogether:
0007 for pressing oily check valve duct; 0008,0019 is that manual pump steering unit duct, 0011,0023 is the rotary valve duct; 0015 is the hydraulic control one-way valve duct: 0017 is the one-way throttle valve duct;
(1) the stepped surfaces left-to-right is arranged in order and is oil cylinder and fuel tank lower chamber 0003, manual pump lower chamber 0031 on the body.
(2) have the coaxial perforation duct 0011 and 0023 of rotary valve and steering unit at the front/rear end medium position.0006 and 0010 passes duct 0011 and 0023 forms the commutation oil duct.
(3) top of front end face has the coaxial perforation duct 0012 and 0019 of manual pump steering unit.
(4) have the oily check valve of pressure duct 0007 on top, right side; By 0035,0024,0021,0200, constitute the input channel of the high pressure oil in check valve duct 0007; Pass 0007 logical with commutation high-pressure oil duct 0006 by 0022 by 0030.
(5) under aft end face and have one-way throttle valve 0017 duct, 0017 outlet is led to by 0001,0038 and 0028.
High pressure oil oppositely arrives the fuel tank throttling by one-way throttle valve, on the contrary not throttling.0017 inlet passes through 0039,0018, is communicated with hydraulic control one-way valve 0015 outlet.
(6) on aft end face one-way throttle valve 0017 oil duct, have hydraulic control one-way valve 0018 duct.Bore end leads to reverse oil duct 0036 by 0005; Oil inlet is by 0037,0016,0002,0036 and pass the 0010 logical of rotary valve duct 0011; Oil outlet by 0018,0039, one-way throttle valve duct 0017,0038,0001, logical with oil cylinder inlet oil duct 0028.
(7) constituting fuel tank passage and 0010 by 0027,0003,0026,0013,0014,0009,0012 leads to.
(8) connect and compose suction passage by 0027,0003,0033,0025 oil sucting one-way valve that constitutes in fuel tank passage and 0040 hole.
(9) constituting drainback passage and 0006 by 0029,0004,0034, to pass rotary valve logical.While 0005 passes 0015 and meets at the pressure channel that 0034 formation hydraulic control one-way valve 0017 is opened reverse-conducting.
In order to realize some vehicle cab suspension Fu needs, improve the working environment of operator's compartment, form follower structure in 4 vertical oil guide groove of oil cylinder lower end processing and piston;
Claims (1)
1, a kind of integral type manual hydraulic lifting device for driving cabin turn-over by lifting body, manual pump, oil cylinder and suspension ring and form at the ear seat of body left end bottom, is characterized in that:
A, have in described body interior and to connect the oil duct that body (7) is gone up all installing components;
B, elevating ram (5) is installed, manual pump (6) is installed on the right side in described lifting device body top (7) left side;
In body interior change-over valve and steering unit, oil sucting one-way valve, high pressure check valve, one-way throttle valve, hydraulic control one-way valve are installed;
In described lifting device body (7) front change-over valve bar handle (9) and manual pump bar handle (10) are installed successively from bottom to top; In body (7) right side high pressure check valve (20) is installed, from the right side and a left side is installed commutation valve oil stifled (16), one-way throttle valve (17), hydraulic control one-way valve (18), high pressure check valve (20) successively, oil sucting one-way valve (19) is installed at body (7) aft end face at the upper left end face of body (7);
C or elevating ram (5) is installed in described lifting device body (7) upper left-hand, manual pump (6) is integrated in body (7) inside;
In body (7) inside, right side change-over valve and steering unit (9) are installed, hydraulic hand-pump and steering unit (10), high pressure check valve (20), oil sucting one-way valve (19), one-way throttle valve (17), hydraulic control one-way valve (18);
In the right side of body (7) high pressure check valve (20) is installed, one-way throttle valve (17), hydraulic control one-way valve (18), commutation valve oil stifled (16) is installed from bottom to top at body (7) aft end face; In lifting device body (7) inside, right side oil sucting one-way valve (19) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610131671 CN1970372A (en) | 2006-11-28 | 2006-11-28 | Integral type manual hydraulic lifting device for driving cabin turn-over |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610131671 CN1970372A (en) | 2006-11-28 | 2006-11-28 | Integral type manual hydraulic lifting device for driving cabin turn-over |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1970372A true CN1970372A (en) | 2007-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610131671 Pending CN1970372A (en) | 2006-11-28 | 2006-11-28 | Integral type manual hydraulic lifting device for driving cabin turn-over |
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| CN (1) | CN1970372A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100200B (en) * | 2007-08-02 | 2010-05-19 | 王树革 | Entirety type electric and manual hydraulic lifter for overturning driving cab |
| CN102182717A (en) * | 2011-04-27 | 2011-09-14 | 南车四方车辆有限公司 | Hydraulic system and rail-road vehicle |
| CN102562698A (en) * | 2012-01-18 | 2012-07-11 | 三一汽车起重机械有限公司 | Gyration locking valve, rotating table locking system and engineering machinery |
| CN103807246A (en) * | 2014-01-24 | 2014-05-21 | 大连液压件有限公司 | Automobile cab follow-up lifting cylinder |
| CN105673376A (en) * | 2016-01-19 | 2016-06-15 | 成都远东高科科技有限公司 | Anti-wear hydraulic manual pump |
| CN107542725A (en) * | 2017-09-05 | 2018-01-05 | 燕山大学 | single-acting reciprocating hydraulic actuator |
| CN111173804A (en) * | 2020-02-20 | 2020-05-19 | 浙江科力车辆控制系统有限公司 | Hydraulic control one-way filtering maintenance-free lifting oil cylinder |
-
2006
- 2006-11-28 CN CN 200610131671 patent/CN1970372A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100200B (en) * | 2007-08-02 | 2010-05-19 | 王树革 | Entirety type electric and manual hydraulic lifter for overturning driving cab |
| CN102182717A (en) * | 2011-04-27 | 2011-09-14 | 南车四方车辆有限公司 | Hydraulic system and rail-road vehicle |
| CN102562698A (en) * | 2012-01-18 | 2012-07-11 | 三一汽车起重机械有限公司 | Gyration locking valve, rotating table locking system and engineering machinery |
| CN102562698B (en) * | 2012-01-18 | 2015-03-25 | 三一汽车起重机械有限公司 | Gyration locking valve, rotating table locking system and engineering machinery |
| CN103807246A (en) * | 2014-01-24 | 2014-05-21 | 大连液压件有限公司 | Automobile cab follow-up lifting cylinder |
| CN105673376A (en) * | 2016-01-19 | 2016-06-15 | 成都远东高科科技有限公司 | Anti-wear hydraulic manual pump |
| CN107542725A (en) * | 2017-09-05 | 2018-01-05 | 燕山大学 | single-acting reciprocating hydraulic actuator |
| CN111173804A (en) * | 2020-02-20 | 2020-05-19 | 浙江科力车辆控制系统有限公司 | Hydraulic control one-way filtering maintenance-free lifting oil cylinder |
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