CN201087102Y - Pneumatic elevator - Google Patents
Pneumatic elevator Download PDFInfo
- Publication number
- CN201087102Y CN201087102Y CNU2007200460551U CN200720046055U CN201087102Y CN 201087102 Y CN201087102 Y CN 201087102Y CN U2007200460551 U CNU2007200460551 U CN U2007200460551U CN 200720046055 U CN200720046055 U CN 200720046055U CN 201087102 Y CN201087102 Y CN 201087102Y
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- Prior art keywords
- valve
- air
- stand
- gas port
- crane
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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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- 230000006698 induction Effects 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 2
- 230000003028 elevating effect Effects 0.000 abstract 7
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model belongs to an elevating appliance, in particular relates to an elevating device which utilizes compressed air as power. An elevating frame which can perform elevating along a vertical frame is arranged on the vertical frame according to the technical proposal offered by the utility model, and an air cylinder used for driving the elevating frame to move vertically and the piston rod thereof are arranged between the vertical frame and the elevating frame. The utility model is characterized in that the upper end of the air cylinder is connected with the right side air opening of a three position five way air controlled reversing valve through pipelines at the right side, the lower end of the air opening is connected with the left air opening of the three position five way air controlled reversing valve through pipelines at the left side, a right air controlled valve is connected to the pipeline at the right side in series, and a left air controlled valve is connected to the pipeline at the left side in series; an air intake pipeline used for connecting an air source is arranged at the air intake opening of the three position five way air controlled valve, and a left end manual reversing valve is connected between the left control air opening of the three position five way air controlled reversing valve and the air intake pipeline in series through a connecting pipe. The driving mechanism of the elevating machine is mainly composed of pneumatic components, the electrical connection can not cause a spark, and therefore, the utility model has good explosion preventing performance.
Description
Technical field
The utility model belongs to a kind of jacking equipment, specifically a kind of jacking system that utilizes pressurized air as power.
Background technology
Elevator generally comprises underframe 13 and stand 1 and crane 9, is provided for driving the driver train that crane 9 moves up and down between crane 9 and stand 1.In the prior art, with hydraulic pressure or electronic as power, its defective is described driver train (machine) mostly: because used control system all be unable to do without electricity, perhaps used power is provided by electrical generator, therefore, is not suitable for using in the occasion that requirement of explosion proof is arranged.
Summary of the invention
The purpose of this utility model is to design a kind of pneulift, and the driver train of this elevator mainly is made up of pneumatic element, and possibility does not cause being electrically connected of spark, therefore, has good explosion-proof performance.
The technical scheme that provides according to the utility model, having in stand can be along the crane of stand lifting, between stand and crane, be provided with and be used to drive cylinder and the piston rod thereof that crane moves up and down, it is characterized in that: the upper end of cylinder utilizes the right side pipeline to link to each other with the right side gas port of 3 position-5 way Pneumatic reversal valve, the lower end of gas port utilizes the left side pipeline to link to each other with the left side gas port of 3 position-5 way Pneumatic reversal valve, and the right Pneumatic valve that on the pipeline of right side, is connected in series, series connection edge joint left side Pneumatic valve on the pipeline of left side; Be provided for connecting the induction tract of source of the gas at the admission port of 3 position-5 way Pneumatic valve,, between the left side of 3 position-5 way Pneumatic reversal valve control gas port and induction tract, utilize the adapting pipe left end hand change over valve that is connected in series so that insert clean compressed air; Between the right side of 3 position-5 way Pneumatic reversal valve control gas port and induction tract, utilize the adapting pipe right-hand member hand change over valve that is connected in series; The check valve that is connected in parallel on right Pneumatic valve, check valve is connected in parallel on left Pneumatic valve.
The control gas port of right Pneumatic valve utilizes an end of close left side gas port on connection pipe and the left side pipeline to be connected; The control gas port of left side Pneumatic valve utilizes an end of close right side gas port on connection pipe and the right side pipeline to be connected.Compression indicator and source of the gas are set on induction tract.
Underframe is arranged at the bottom in stand, on the top of stand handle is arranged, and in the bottom of underframe roller is arranged.Between stand and crane guide wheel is arranged, the rotating shaft of this guide wheel is fixed on the crane, and guide wheel is positioned at the guide rail that is arranged in the stand, flexible back-up ring between guide wheel and its rotating shaft, and rotating shaft utilizes nut and packing ring to be installed on the both sides of crane.On stand or underframe, control box is arranged, and filter.
The utility model has the advantages that: full gas control operation, easy to operate, safe, reliable, the explosion-proof security height, not used can the pollution by source green and environment-friendly, rising or falling speed is easy to adjust, and can realize infinite speed variation.
Description of drawings
Fig. 1 is an elevation drawing of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the birds-eye view of Fig. 1.
Fig. 4 is the gas circuit control chart.
The specific embodiment
As shown in the figure: having in stand 1 can be along the crane 9 of stand 1 lifting, be provided for driving cylinder 15 and the piston rod thereof that crane 9 moves up and down in stand 1 and 9 of cranes, it is characterized in that: the upper end of cylinder 15 utilizes right side pipeline 16 to be connected with the right side gas port of 3 position-5 way Pneumatic reversal valve 21, the lower end of cylinder 15 utilizes left side pipeline 27 to be connected with the left side gas port of 3 position-5 way Pneumatic reversal valve 21, and the right Pneumatic valve 17 that on right side pipeline 16, is connected in series, left Pneumatic valve 19 is connected in series on the left side pipeline 27; Be provided for connecting the induction tract 26 of source of the gas at the admission port of 3 position-5 way Pneumatic reversal valve 21, utilize the connection pipe left end hand change over valve 25 that is connected in series at the left side of 3 position-5 way Pneumatic reversal valve 21 control gas port and 26 of induction tracts, control gas port and 26 of induction tracts on the right side of 3 position-5 way Pneumatic reversal valve 21 and utilize the connection pipe right-hand member hand change over valve 22 that is connected in series; Parallel connection check valve 18 on right Pneumatic valve 17, parallel connection check valve 20 on left Pneumatic valve 19.
The control gas port of right Pneumatic valve 17 utilizes an end of close left side gas port on connection pipe and the left side pipeline 27 to be connected; The control gas port of left side Pneumatic valve 19 utilizes an end of close right side gas port on connection pipe and the right side pipeline 16 to be connected.Make the action of control cock all control, avoided the mode of electric associating with gas.
On induction tract 26, be provided for detecting the compression indicator 24 of induction tract pressure and provide compressed-air actuated source of the gas 23 for gig.
In the bottom of stand 1 underframe 13 is arranged, handle 11 is arranged on the top of stand 1, roller 12 is arranged in the bottom of underframe 13.When needs move whole gig, grasp handle 11, promote or pulling handle 11, just can drive gig and advance or retreat.
Between stand 1 and crane 9 guide wheel 4 is arranged, so that can obtain good guiding and support when making crane 9 liftings, the relative motion that makes 1 of crane 9 and stand is for rolling.The rotating shaft 7 of this guide wheel 4 is fixed on the crane 9, and guide wheel 4 is positioned at the guide rail 28 that is arranged in the stand 1, and at guide wheel 4 and 7 flexible back-up rings 8 of its rotating shaft, rotating shaft 7 utilizes nut 5 and packing ring 6 to be installed on the both sides of crane 9.On stand 9 or underframe 13, be useful on the control box 10 of control pneumatic circuit operation, and be used for the filter 2 of filtered air.
The pneulift working process is described below:
1, pushes down the button of left end hand change over valve 25, the A-P mouth of this valve is connected, 21 commutations of 3 position-5 way Pneumatic reversal valve, spool moves to right, a left side then gas circuit is connected, gas enters the bottom of cylinder 15 through 3 position-5 way Pneumatic reversal valve 21, check valve 20, because a left side then gas circuit is in high pressure conditions, Pneumatic valve 17 is opened, the cylinder loop is unimpeded, the piston rod of cylinder 15 rises, and the gas that discharge cylinder 15 upper ends is flowed through the right side gas port row of three Pneumatic reversal valves 21 to atmosphere through right side pipeline 16 again by right Pneumatic valve 17, realizes the purpose that cylinder 15 is mentioned weight; In case bleed off the button of left end hand change over valve 25, the spool of 3 position-5 way Pneumatic reversal valve 21 returns to the meta state rapidly, because A, B mouth and two R exhausr ports are connected, be in low-pressure state, right Pneumatic valve 17 is closed rapidly with left Pneumatic valve 19, the loop of cylinder 15 is shut, and it is motionless that cylinder 15 will be in original position.
Otherwise 2, push down the button of right-hand member hand change over valve 22, then the A-P mouth of this valve is connected, 21 commutations of 3 position-5 way Pneumatic reversal valve, spool moves to left, the right side then gas circuit is connected, gas enters the top of cylinder 15 through 3 position-5 way Pneumatic reversal valve 21, check valve 18, because the right side then gas circuit is in high pressure conditions, Pneumatic valve 19 is opened, and the cylinder loop is unimpeded, and the piston of cylinder 15 moves down, the gas that discharge the cylinder lower end is arranged to atmosphere by the left side gas port of left Pneumatic valve 19,3 position-5 way Pneumatic reversal valve 21 through left side pipeline 27, realizes that weight descends.In case bleed off the button of right-hand member hand change over valve 22, in like manner shut the gas port at cylinder two ends about in the of 15 rapidly, and make cylinder 15 motionless.
3, because right Pneumatic valve 17 is two change-over valves that utilize gas control system with left Pneumatic valve 19, whether its commutation is decided by to control the air pressure of gas port, thereby realized high pressure admission, must realize that exhausr port is unimpeded, in case but admission port loses high pressure, the exhaust loop is just mended immediately and is shut, thus the irremovable purpose of the piston rod of control cylinder 15.
Claims (6)
1. pneulift, comprise stand (1) and can go up the crane (9) of lifting in stand (1), between stand (1) and crane (9), be provided with and be used to drive cylinder (15) and the piston rod thereof that crane (9) moves up and down, it is characterized in that: the upper end of cylinder (15) utilizes right side pipeline (16) to be connected with the right side gas port of 3 position-5 way Pneumatic reversal valve (21), the lower end of cylinder (15) utilizes left side pipeline (27) to be connected with the left side gas port of 3 position-5 way Pneumatic reversal valve (21), and the right Pneumatic valve (17) that on right side pipeline (16), is connected in series, left Pneumatic valve (19) is connected in series on the left side pipeline (27); Be provided for connecting the induction tract (26) of source of the gas at the admission port of 3 position-5 way Pneumatic reversal valve (21), between the left side of 3 position-5 way Pneumatic reversal valve (21) control gas port and induction tract (26), utilize the connection pipe left end hand change over valve (25) that is connected in series, control on the right side of 3 position-5 way Pneumatic reversal valve (21) and utilize the connection pipe right-hand member hand change over valve (22) that is connected in series between gas port and induction tract (26); The check valve (18) that is connected in parallel on right Pneumatic valve (17), check valve (20) is connected in parallel on left Pneumatic valve (19).
2. pneulift as claimed in claim 1 is characterized in that: the end that the control gas port of right Pneumatic valve (17) utilizes connection pipe and left side pipeline (27) to go up near the left side gas port is connected; The end that the control gas port of left side Pneumatic valve (19) utilizes connection pipe and right side pipeline (16) to go up near the right side gas port is connected.
3. pneulift as claimed in claim 1 is characterized in that: compression indicator (24) and source of the gas (23) are set on induction tract (26).
4. pneulift as claimed in claim 1 is characterized in that: in the bottom of stand (1) underframe (13) is arranged, on the top of stand (1) handle (11) is arranged, in the bottom of underframe (13) roller (12) is arranged.
5. pneulift as claimed in claim 1, it is characterized in that: between stand (1) and crane (9), guide wheel (4) is arranged, the rotating shaft (7) of this guide wheel (4) is fixed on the crane (9), guide wheel (4) is positioned at the guide rail (28) that is arranged in the stand (1), flexible back-up ring (8) between guide wheel (4) and its rotating shaft (7), rotating shaft (7) utilize nut (5) and packing ring (6) to be installed on the both sides of crane (9).
6. pneulift as claimed in claim 1 is characterized in that: on stand (9) or underframe (13), control box (10) is arranged, and filter (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200460551U CN201087102Y (en) | 2007-09-19 | 2007-09-19 | Pneumatic elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200460551U CN201087102Y (en) | 2007-09-19 | 2007-09-19 | Pneumatic elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201087102Y true CN201087102Y (en) | 2008-07-16 |
Family
ID=39634696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200460551U Expired - Fee Related CN201087102Y (en) | 2007-09-19 | 2007-09-19 | Pneumatic elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201087102Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431856A (en) * | 2011-08-31 | 2012-05-02 | 太原重工股份有限公司 | Lifting control device for engineering machinery airstairs |
| CN107355099A (en) * | 2017-08-31 | 2017-11-17 | 贵州优好停车设备有限公司 | The elevating mechanism of the electric control lock mechanism of car of the fixation lugs of shared bicycle |
| CN115140634A (en) * | 2022-06-24 | 2022-10-04 | 天津市迅尔自控设备制造有限公司 | Cylinder self-locking device, lifter and control method |
-
2007
- 2007-09-19 CN CNU2007200460551U patent/CN201087102Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431856A (en) * | 2011-08-31 | 2012-05-02 | 太原重工股份有限公司 | Lifting control device for engineering machinery airstairs |
| CN107355099A (en) * | 2017-08-31 | 2017-11-17 | 贵州优好停车设备有限公司 | The elevating mechanism of the electric control lock mechanism of car of the fixation lugs of shared bicycle |
| CN115140634A (en) * | 2022-06-24 | 2022-10-04 | 天津市迅尔自控设备制造有限公司 | Cylinder self-locking device, lifter and control method |
| CN115140634B (en) * | 2022-06-24 | 2024-05-03 | 天津思睿德自动化科技有限公司 | Cylinder self-locking device, lifter and control method |
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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: 20080716 Termination date: 20150919 |
|
| EXPY | Termination of patent right or utility model |