CN2415015Y - Pneumatic hydraulic jack - Google Patents
Pneumatic hydraulic jack Download PDFInfo
- Publication number
- CN2415015Y CN2415015Y CN 00216876 CN00216876U CN2415015Y CN 2415015 Y CN2415015 Y CN 2415015Y CN 00216876 CN00216876 CN 00216876 CN 00216876 U CN00216876 U CN 00216876U CN 2415015 Y CN2415015 Y CN 2415015Y
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- Prior art keywords
- cylinder
- piston
- oil
- valve
- jack
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- 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
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- 238000007789 sealing Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 235000004443 Ricinus communis Nutrition 0.000 claims description 4
- 240000000528 Ricinus communis Species 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a pneumatic hydraulic jack, which comprises a machine body, a pneumatic hydraulic booster pump, a telescopic hydraulic cylinder, a has distributing valve, a handle frame and a caster wheel. The pneumatic hydraulic booster pump comprises a gas cylinder body, an oil distributing body and a pump oil body. A gas cylinder piston, a plunger rod, a piston spring, a gas exhaust cylinder sleeve and a gas exhaust valve are arranged in the gas cylinder body. An unloading bolt, an unloading piston, an unloading spring and a one-way valve are arranged in the oil distributing body. The telescopic hydraulic cylinder comprises an oil jack seat and an oil jack body. A piston above the first level, a jack above the first level and an end jack which is arranged on the jack above the first level are arranged in the oil jack body. The utility model has the advantages of low jack body, strong applicability, and convenient operation; in addition, the utility model can lift objects with larger tonnage.
Description
The utility model relates to lifting equipment, particularly a kind of nationality air-hydraulic jack.
Hydraulic lifting equipment in the market generally is medium-sized, mainly contains two kinds of vertical manual jack and horizontal manual jacks.Though vertical manual jack structure is simple, because manually, its labour intensity height, work efficiency is extremely low, and operation is also inconvenient; Because most vertical manual jack is the single-stage top, and the top body is too high, range of use is restricted, and description is various again.Horizontal manual jack adopts the hydraulic lever principle, and its structure is comparatively complicated, and bulky, and the lifting tonnage is restricted, and is difficult to adapt to the requirement of lifting object more than 15 tons.
The purpose of this utility model provides a kind of improved Pneumatic hydraulic jack, and its employing is pneumatic, the hydraulic principle unitized design forms, and mainly is made up of Pneumatic hydraulic boost pump and telescoping hydraulic cylinder, and its top body is low, and applicability is strong, can the bigger object of lifting tonnage.
Technical solution of the present utility model is as follows:
A kind of Pneumatic hydraulic jack, it comprises body, the air-driven hydraulic pump that in body, is provided with, hydraulic actuating cylinder and distributing valve, it also is included in the handle rack of settling on the body; Two above castors are housed on the described body; Described air-driven hydraulic pump is the Pneumatic hydraulic boost pump to the liquid dielectric supercharging, it comprises that cylinder block is together with sealing member, oil distributing member, oil pumping body, the cylinder piston that in cylinder block, is provided with, plunger rod, piston spring, exhaust cylinder sleeve, blow off valve, at the gland and the spacer ring of plunger rod one end installing, the off-load bolt, labyrinth piston and the unloading spring that in oil distributing member, are provided with, and check valve; Described hydraulic actuating cylinder is the telescoping hydraulic cylinder of lifting object, and it comprises oily footstock, oily acrosome, and the one-level of installing in oily acrosome is pushed up with upper piston with more than the one-level, and the end of installing on top more than one-level top; Described handle rack comprises the handle support body, is installed in the lock bracket on the handle support body, and the pull bar that is provided with in lock bracket is together with pull-rod spring, and gloves; Described distributing valve comprises distribution valve body, distribution valve rod, distributing valve seat, retracing spring, handle and the sealing member that is installed in handle support body one end.
The utility model is a kind of new type hydraulic lifting equipment, has deft design, easy to operate, advantages such as labour intensity is low, the lifting tonnage is big, applicability is strong, work efficiency height.
The utility model adopts the principle of Pneumatic hydraulic boost pump and the principle unitized design of telescoping hydraulic cylinder to form.The Pneumatic hydraulic boost pump adopts the piston type single-acting cylinder with spring reset, its stable working, high efficiency; Owing to adopt pneumatic replacement manual, reduce labour intensity widely again, improved work efficiency.Telescoping hydraulic cylinder can be designed to single-stage, secondary or three grades, and the lifting tonnage can be designed to 100 tons, 50 tons, 25 tons, 10 tons etc., has realized can satisfying with an equipment job requirement of different tonnages, different lift height, has widened range of use widely.
Below in conjunction with accompanying drawing the utility model is elaborated.
Fig. 1 is a kind of cutaway view of Pneumatic hydraulic jack.
Fig. 2 is the birds-eye view of above-mentioned Pneumatic hydraulic jack.
Fig. 3 is by A-A view shown in Figure 1.
Referring to Fig. 1 to Fig. 3, a kind of Pneumatic hydraulic jack comprises body 1, the air-driven hydraulic pump that in body 1, is provided with, and hydraulic actuating cylinder and distributing valve 4 also are included in the handle rack of settling on the body 15.Two above castors 6 are installed on the body 1, two castors 6 only are installed in the diagram.
Air-driven hydraulic pump is the Pneumatic hydraulic boost pump 2 to the liquid dielectric supercharging, it comprises that cylinder block 7 is together with sealing member, oil distributing member 8, oil pumping body 9, the cylinder piston 11, plunger rod 10, piston spring 12, exhaust cylinder sleeve 15, the blow off valve 16 that in cylinder block 7, are provided with, at the gland 13 and the spacer ring 14 of plunger rod 10 1 ends installing, the off-load bolt 17, labyrinth piston 18 and the unloading spring 19 that in oil distributing member 8, are provided with, and check valve.
Hydraulic actuating cylinder is the telescoping hydraulic cylinder 3 of lifting object, and it comprises oily footstock 20, oily acrosome 21, and the one-level of installing in oily acrosome 21 is with upper piston 22 and push up 23 more than the one-level, and the end of installing on top 23 more than one-level top 24.As shown in fig. 1, in oily acrosome 21, be equiped with first stage piston 221 and second piston 222, one-level top 231 and secondary top 232, and the end top 24 of on secondary top 232, installing.Also additional being equipped with can be satisfied the different lengthening tops 25 that require on the end top 24 in telescoping hydraulic cylinder 3.Not only can install second piston 222 and secondary top 232 in the oily acrosome 21 in the telescoping hydraulic cylinder 3, can also install three grades of pistons and three grades of tops (not shown).
Handle rack 5 comprises handle support body 51, is installed in the lock bracket 52 on the handle support body 51, and the pull bar 53 that is provided with in lock bracket 52 is together with pull-rod spring 54, and gloves 55.The orientation that lock bracket 52 lockable handle support bodys 51 are put.Handle rack 5 can be realized locking in straight orientation, 45 ° of oblique orientation and three orientation of level orientation, to satisfy different operation requirementss.
Distributing valve 4 comprises distribution valve body 41, distribution valve rod 42, distributing valve seat 43, retracing spring 44, handle 45 and the sealing member that is installed in handle support body 51 1 ends.Distributing valve 4 can switch gas circuit, with the lifting and the landing of control telescoping hydraulic cylinder (top).
As shown in Figure 1, the left end of cylinder block 7 is equipped with the safety valve 26 to the machine overload protection.When compression pressure surpassed rating number, safety valve 26 can be opened automatically, the unlikely overload work of protection body.
As shown in Figure 3, on the inner termination of the fuel inlet fitting 27 in the oil distributing member 8 oil-feed filtering net 28 is housed, with elimination impurity.
Working process of the present utility model is as follows:
During lifting, pressure gas enters distributing valve 4 by inlet suction port 197, cw is pulled handle 45, rotate distributing valve 4 by distribution valve rod 42 and straight pin 186, pressure gas is discharged from first exhausr port of distributing valve 4, pass to plastic pipe 193 by sebific duct, enter the chamber, a cylinder left side of Pneumatic hydraulic boost pump 2 through inlet suction port 192, promote cylinder piston 11 and drive plunger rod 10 straight-line motion to the right, because full of liquid medium in the plunger cavity, when plunger rod 10 moved right, compressed liquid made the liquid supercharging, pressurized liquid is discharged (as shown in Figure 3) by plunger rod cavity from the check valve of draining valve spring 129, enter the bottom of telescoping hydraulic cylinder 3 again by the vertical aperture shown in the figure, promote piston, realize the lifting of hydraulic actuating cylinder.
When cylinder piston 11 moves right the aperture of crossing above the cylinder block 7, the pressure gas in chamber, a left side passes through aperture, aperture on extraction hood 120 enters blow off valve 16 chambeies of cylinder block 7 left ends, promoting blow off valve 16 moves right, thereby the sealing surface between rubber bowl 118 and the cylinder inner cavity bottom is opened, the compressed gas in chamber, a cylinder left side is known from experience the gap discharge through blow off valve 16, and the pressure in chamber, a cylinder left side reduces, and cylinder piston 11 resets rapidly under the effect of piston spring 12.When cylinder piston 11 resets, make the sealing of rubber bowl 118 left sides and cylinder inner cavity baseplane again, pressure gas can make cylinder piston 11 move right again, runs so forth, and realizes pump oil and lifting.
The suction operating mode of hydraulic oil is: when cylinder piston 11 resets under the effect of piston spring 12, form negative pressure in the plunger rod cavity, hydraulic oil enters plunger rod cavity from fuel tank through discharge outlet, oil pipe 176, fuel inlet fitting 27, filtering net 28, check valve 128,179, makes again to be full of fluid in the plunger rod cavity.
During landing, when system need land, rotate counterclockwise handle 45, drive distributing valve 4 operations, pressure gas is discharged from the second series gas port, pass to T-pipe joint 174 by sebific duct through plastic pipe 189, make gas circuit be divided into two-way, wherein one the tunnel enter unloading cavity, promotion labyrinth piston 18, off-load bolt 17 back down the check valve at unloader valve spring 130 places, make the hydraulic oil in the telescoping hydraulic cylinder 3 flow back to unloading cavity, again through oil-feed loop stream oil sump tank through this valve; Another road is through adaptor union 1101, aperture on the oil acrosome 21 acts on the upper ring surface of first stage piston 221, promotes first stage piston 221 and withdraws downwards, after first stage piston 221 withdrawals, the effect of second piston 222 same compressed gas begins withdrawal, makes that landing is quite steady.
The utility model has increased by two lengthening tops 25, has satisfied the requirement of different condition.Taked the noise reduction measure at the discharge portion of cylinder.The utility model is also taked hinge through and lock mode with handle rack 5 parts, and it is quite convenient to use.
Claims (6)
1. Pneumatic hydraulic jack, it comprises body, the air-driven hydraulic pump that in body, is provided with, hydraulic actuating cylinder and distributing valve is characterized in that, it also is included in the handle rack of settling on the body; Two above castors are housed on the described body; Described air-driven hydraulic pump is the Pneumatic hydraulic boost pump to the liquid dielectric supercharging, it comprises that cylinder block is together with sealing member, oil distributing member, oil pumping body, the cylinder piston that in cylinder block, is provided with, plunger rod, piston spring, exhaust cylinder sleeve, blow off valve, at the gland and the spacer ring of plunger rod one end installing, the off-load bolt, labyrinth piston and the unloading spring that in oil distributing member, are provided with, and check valve; Described hydraulic actuating cylinder is the telescoping hydraulic cylinder of lifting object, and it comprises oily footstock, oily acrosome, and the one-level of installing in oily acrosome is pushed up with upper piston with more than the one-level, and the end of installing on top more than one-level top; Described handle rack comprises the handle support body, is installed in the lock bracket on the handle support body, and the pull bar that is provided with in lock bracket is together with pull-rod spring, and gloves; Described distributing valve comprises distribution valve body, distribution valve rod, distributing valve seat, retracing spring, handle and the sealing member that is installed in handle support body one end.
2. Pneumatic hydraulic jack according to claim 1 is characterized in that the left end of described cylinder block is equipped with the safety valve to the machine overload protection.
3. Pneumatic hydraulic jack according to claim 1 is characterized in that, additional being equipped with gone up on the end top in the described telescoping hydraulic cylinder can satisfy the different lengthening tops that require.
4. Pneumatic hydraulic jack according to claim 1 is characterized in that, is equiped with second piston and secondary top in the oily acrosome in the described telescoping hydraulic cylinder.
5. Pneumatic hydraulic jack according to claim 1 is characterized in that, is equiped with three grades of pistons and three grades of tops in the oily acrosome in the described telescoping hydraulic cylinder.
6. Pneumatic hydraulic jack according to claim 1 is characterized in that, the oil-feed filtering net is housed on the inner termination of the fuel inlet fitting in the described oil distributing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00216876 CN2415015Y (en) | 2000-03-16 | 2000-03-16 | Pneumatic hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00216876 CN2415015Y (en) | 2000-03-16 | 2000-03-16 | Pneumatic hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2415015Y true CN2415015Y (en) | 2001-01-17 |
Family
ID=33582552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00216876 Expired - Fee Related CN2415015Y (en) | 2000-03-16 | 2000-03-16 | Pneumatic hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2415015Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381658A (en) * | 2011-06-28 | 2012-03-21 | 常熟通润汽车千斤顶有限公司 | Integrated combined valve body for vertical type hydraulic jack |
| CN102452626A (en) * | 2010-10-29 | 2012-05-16 | 中国北车集团大连机车车辆有限公司 | Motor-driven hydraulic lifting machine for mounting urban rail vehicle tractor body |
| CN103466499A (en) * | 2013-09-30 | 2013-12-25 | 衡阳市锦泰工具有限公司 | Transition plate for air-driven hydraulic jack and air-driven hydraulic jack |
| CN103466502A (en) * | 2013-09-30 | 2013-12-25 | 衡阳市锦泰工具有限公司 | Pneumatic hydraulic jack and transiting plate for pneumatic hydraulic jack |
| CN103466500A (en) * | 2013-09-30 | 2013-12-25 | 衡阳市锦泰工具有限公司 | Pneumatic hydraulic jack |
| CN103466498A (en) * | 2013-09-30 | 2013-12-25 | 衡阳市锦泰工具有限公司 | Pneumatic hydraulic jack with no-load fast jacking function |
| CN105271042A (en) * | 2014-09-11 | 2016-01-27 | 保定市南市区优特气动液压设备厂 | Pneumatic-hydraulic jack |
-
2000
- 2000-03-16 CN CN 00216876 patent/CN2415015Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452626A (en) * | 2010-10-29 | 2012-05-16 | 中国北车集团大连机车车辆有限公司 | Motor-driven hydraulic lifting machine for mounting urban rail vehicle tractor body |
| CN102381658A (en) * | 2011-06-28 | 2012-03-21 | 常熟通润汽车千斤顶有限公司 | Integrated combined valve body for vertical type hydraulic jack |
| CN103466499A (en) * | 2013-09-30 | 2013-12-25 | 衡阳市锦泰工具有限公司 | Transition plate for air-driven hydraulic jack and air-driven hydraulic jack |
| CN103466502A (en) * | 2013-09-30 | 2013-12-25 | 衡阳市锦泰工具有限公司 | Pneumatic hydraulic jack and transiting plate for pneumatic hydraulic jack |
| CN103466500A (en) * | 2013-09-30 | 2013-12-25 | 衡阳市锦泰工具有限公司 | Pneumatic hydraulic jack |
| CN103466498A (en) * | 2013-09-30 | 2013-12-25 | 衡阳市锦泰工具有限公司 | Pneumatic hydraulic jack with no-load fast jacking function |
| CN103466499B (en) * | 2013-09-30 | 2015-10-21 | 衡阳市锦泰工具有限公司 | For rebound and the Pneumahydraulic jack of Pneumahydraulic jack |
| CN103466498B (en) * | 2013-09-30 | 2015-12-23 | 衡阳市锦泰工具有限公司 | With the Pneumahydraulic jack of unloaded fast servo function |
| CN105271042A (en) * | 2014-09-11 | 2016-01-27 | 保定市南市区优特气动液压设备厂 | Pneumatic-hydraulic jack |
| CN105271042B (en) * | 2014-09-11 | 2018-02-13 | 保定市南市区优特气动液压设备厂 | A kind of Pneumahydraulic jack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHEN YINGHAI Free format text: FORMER OWNER: TENGMA WIND-DRIVEN TOOL CO., LTD., SHANGHAI Effective date: 20030905 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20030905 Address after: 201806 Shanghai city Jiading District Huyi Road No. 5318 Yingfei pneumatic and hydraulic tools company Patentee after: Chen Yinghai Address before: 200435 No. 35, south of the Five Ridges Road, Shanghai Patentee before: Tengma Wind-driven Tool Co., Ltd., Shanghai |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010117 |