CN103291105B - Manual-adjustment hydraulic energy absorption device and method for emergency protection of parking tower - Google Patents
Manual-adjustment hydraulic energy absorption device and method for emergency protection of parking tower Download PDFInfo
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- CN103291105B CN103291105B CN201310217657.9A CN201310217657A CN103291105B CN 103291105 B CN103291105 B CN 103291105B CN 201310217657 A CN201310217657 A CN 201310217657A CN 103291105 B CN103291105 B CN 103291105B
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Abstract
The invention relates to a manual-adjustment hydraulic energy absorption device and method for emergency protection of a parking tower. The method includes the steps of main energy absorption process: when energy liquid enters a main oil inlet to a lower internal friction cavity and then outflows from a main oil outlet; and manual oil way control: an oil way deltaPdeltaQ is controlled to enter a control oil inlet to an upper constant-pressure chamber, when pressure overcomes pre-tightening force of a cone valve spring, a cone valve core moves right to open a control oil outlet, liquid flows to a control oil way oil return pipeline via the control oil outlet and then flows to an oil tank, and when an adjusting handle is adjusted every time, the pressure of the upper constant-pressure chamber is changed into a new constant value, so that energy absorption is controlled manually and optionally. The device and method has the advantages that energy absorption and absorbed energy are matched completely; value of energy absorption is controlled optionally; heat dissipation is good; heat absorption is steady and cannot bounce; and safety protection effect on lifting system faults of the parking tower is achieved.
Description
Technical field
The present invention is a kind of hand adjustment hydraulic energy absorption plant for sky parking's emergency protection and method, particularly can the hand-adjusting type big-and-middle-sized power liquid energy absorption plant of Non-follow control and method.
Background technology
The acceptor of energy extensively adopted at present, its principle utilizes liquid stream can produce larger loss when aperture, designs various energy absorbing device as foundation.Its main problem is, operationally because the diameter of aperture can not change, therefore is substantially constant by the liquid loss of energy of aperture.Absorption energy and the absorbed energy of aperture can not be accomplished to mate completely, more can not arbitrarily control endergonic numerical values recited.
Summary of the invention
The invention provides a kind of hand adjustment hydraulic energy absorption plant for sky parking's emergency protection and method, better solve the problems referred to above, it arbitrarily can adjust the size of this device energy absorption value, also can accomplish the Proper Match of energy.
The object of the present invention is achieved like this: for the hand adjustment hydraulic energy absorption plant of sky parking's emergency protection, comprise energy absorption housing, elastomeric bearing, weather strip, upper cover, floating pressure balance side plate, front and rear cover, control valve housing, mobile bearing pad, poppet valve core, cone valve spring, regulating handle, oil circuit control oil returning tube, fuel tank, floating pressure balance side plate is that cuboid forms dynamic cooperation in this rectangular groove, the surrounding of floating pressure balance side plate has weather strip to seal, flexibly mounted top and floating pressure balance below side plate and contact, the earth surface of flexibly mounted below and energy absorption housing, formed below floating pressure balance side plate and define lower in-fighting chamber with the inner bottom part of energy absorption housing, the height in lower in-fighting chamber is lower in-fighting cavity gap, width is lower in-fighting chamber width, defines upper pressure stabilizing cavity, front and rear cover has main oil-in respectively above floating pressure balance side plate with upper cover, main oil-out, main oil-in, main oil-out is on the longitudinal centre line of front and rear cover, simultaneously with the bottom surface of energy absorption housing near and within lower in-fighting chamber, have in the upper end, two sides of energy absorption housing and control oil-in, control oil-out, control oil-in, control oil-out is within pressure stabilizing cavity, cone valve spring left end is pressed on poppet valve core, right-hand member is pressed on mobile bearing pad, fuel-displaced for control oral pore is blocked by poppet valve core, the adjustable poppet valve core blocking of adjustment regulating handle controls the pressure of oil-out, poppet valve core coordinates with mobile bearing pad and control valve housing are dynamic, and the right outside side that control valve housing is fixed on energy absorption housing controls oil-out place, have circular port in control valve housing, mobile bearing pad is dynamic with it to be coordinated, and mobile bearing pad left side is pressed in cone valve spring, and the left side of cone valve spring is pressed in poppet valve core, and the right side of mobile bearing pad is pressed in regulating handle, rotate the pretightning force of the adjustable cone valve spring of regulating handle, the inner chamber of control valve housing is connected by oil circuit control oil returning tube and fuel tank, and the endoporus of control valve housing, control oil-out, poppet valve core, cone valve spring, mobile bearing pad, regulating handle are on same center line.
The invention has the beneficial effects as follows: this is used for hand adjustment hydraulic energy absorption plant and the method for sky parking's emergency protection; owing to have employed above-mentioned method and structure, main energy absorption process: in-fighting chamber is flowed out to main oil-out under the liquid PQ with energy enters main oil-in to the flow section formed by lower in-fighting cavity gap and lower in-fighting chamber width.Calculated by the main energy absorption process of this device, its functional expression is:
Wherein, y is the off-energy that liquid flows to this energy absorbing device;
Q is the flow that liquid flows to this energy absorbing device, also linearly increases when Q increases y;
δ is the gap value that liquid flows to this energy absorbing device, namely descends in-fighting cavity gap, makes y become the cube order of magnitude to increase when δ reduces;
All energy losses are all converted to heat energy.
Non-follow control oil circuit: oil circuit control △ P △ Q enters control oil-in, enter pressure stabilizing cavity again, when pressure can overcome the pretightning force of cone valve spring poppet valve core move to right control oil-out open, liquid stream is through controlling oil-out-oil circuit control oil returning tube-fuel tank, as long as keep this flow regime, the pressure then going up pressure stabilizing cavity place is a steady state value, this steady state value overcomes the pressure in lower in-fighting chamber and flexibly mounted power, thus the change of lower in-fighting cavity gap can be controlled, make lower in-fighting cavity gap become δ
1y can be made to become three cubed increase according to the reduction of in-fighting cavity gap under above-mentioned calculating, therefore can the change of control y, thus artificial random control energy absorption numerical value can be accomplished, also can adjust to the while of just the same as brake and match with needs absorbed energy.
Advantage: (1), when outside energy increases, the energy that this device absorbs is larger, can accomplish that absorbing energy mates completely with absorbed energy; (2) endergonic numerical values recited can arbitrarily be controlled; (3) this device radiation is good; (4) absorb energy steady, can not rebound.(5) when sky parking's jacking system breaks down, safeguard protection effect can be realized.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing 1 is structural representation of the present invention.
In figure, 1. energy absorption housing, 2. elastomeric bearing, 3. weather strip, 4. upper cover, 5. floating pressure balance side plate, 6. front and rear cover, 7. control valve housing, 8. move bearing pad, 9. poppet valve core, 10. cone valve spring, 11. regulating handles, 12. oil circuit control oil returning tubes, 13. fuel tanks, 14. main oil-ins, 15. main oil-outs, 16. times in-fighting chambeies, pressure stabilizing cavity on 17., 18. times in-fighting cavity gaps, 19. times in-fighting chamber width, 20. control oil-in, and 21. control oil-out.
Detailed description of the invention
Embodiment 1: energy absorbing method of the present invention and device.
Described device comprises energy absorption housing 1, elastomeric bearing 2, weather strip 3, upper cover 4, floating pressure balance side plate 5, front and rear cover 6, control valve housing 7, mobile bearing pad 8, poppet valve core 9, cone valve spring 10, regulating handle 11, oil circuit control oil returning tube 12, fuel tank 13, floating pressure balance side plate 5 is that cuboid forms dynamic cooperation in this rectangular groove, the surrounding of floating pressure balance side plate 5 has weather strip 3 to seal, top and the floating pressure of elastomeric bearing 2 balance below side plate 5 and contact, the below of elastomeric bearing 2 and the earth surface of energy absorption housing 1, formed below floating pressure balance side plate 5 and define lower in-fighting chamber 16 with the inner bottom part of energy absorption housing 1, the height in lower in-fighting chamber 16 is lower in-fighting cavity gap 18, width is lower in-fighting chamber width 19, defines upper pressure stabilizing cavity 17, front and rear cover 6 has main oil-in 14 respectively above floating pressure balance side plate 5 with upper cover 4, main oil-out 15, main oil-in 14, main oil-out 15 is on the longitudinal centre line of front and rear cover 6, simultaneously close with the bottom surface of energy absorption housing 1, and within lower in-fighting chamber 16.Have in the upper end, two sides of energy absorption housing 1 and control oil-in 20, control oil-out 21, control oil-in 20, control oil-out 21 is within pressure stabilizing cavity 17, cone valve spring 10 left end is pressed on poppet valve core 9, right-hand member is pressed on mobile bearing pad 8, control oil-out 21 hole is blocked by poppet valve core 9, the adjustable poppet valve core 9 of adjustment regulating handle 11 blocks the pressure controlling oil-out 21, poppet valve core 9 coordinates with control valve housing 7 is dynamic with mobile bearing pad 8, and the right outside side that control valve housing 7 is fixed on energy absorption housing 1 controls oil-out 21 place.
Described energy absorption housing 1 is
font cuboid, the internal face of the left and right sides is parallel, have higher fineness.Left and right sides wall has respectively and controls oil-in 20, control oil-out 21.
Described front and rear cover 6 is cuboid, has main oil-in 14, main oil-out 15 respectively, and main oil-in 14, main oil-out 15 are on the longitudinal centre line of 6 respectively, and near bottom.There is higher fineness the inside of front and rear cover 6.
Have circular port in described control valve housing 7, mobile bearing pad 8 is dynamic with it to be coordinated, and mobile bearing pad 8 left side is pressed in cone valve spring 10, and the left side of cone valve spring 10 is pressed in poppet valve core 9, and the right side of mobile bearing pad 8 is pressed in regulating handle 11.Rotate the pretightning force of the adjustable cone valve spring 10 of regulating handle 11, the inner chamber of control valve housing 7 is connected by oil circuit control oil returning tube 12 and fuel tank 13, the endoporus of control valve housing 7, controls oil-out 21, poppet valve core 9, cone valve spring 10, mobile bearing pad 8, regulating handle 11 on same center line.
Described control valve housing 7 is the cylinder of band endoporus, and the left end of control valve housing 7 is connected with the right outside end face of energy absorption housing 1, and the end wall of right-hand member has internal thread, and below has connects hydraulic fluid port with oil circuit control oil returning tube 12.
Described mobile bearing pad 8 is circular gasket.
Described poppet valve core 9 is the tapering cylinder of band half the circumference of the sleeve where it joins the shoulder, and control oil-out 21 can be shut by left end tapering, and right-hand member cylinder coordinates with regulating handle 11 endoporus is dynamic.
Described cone valve spring 10 is the linear hard spring with memory.
Described regulating handle 11 is external screw thread handle, with the screw-internal thread fit of control valve housing 7.
Concrete absorption process step is: main energy absorption process: under the liquid PQ with energy enters main oil-in 14 to the flow section formed by lower in-fighting cavity gap 18 and lower in-fighting chamber width 19, Room, in-fighting chamber 16 is flowed out to main oil-out 15.Calculated by the main energy absorption process of this device, its functional expression is:
Wherein, y is the off-energy that liquid flows to this energy absorbing device;
Q is the flow that liquid flows to this energy absorbing device, also linearly increases when Q increases y;
δ is the gap value that liquid flows to this energy absorbing device, namely descends in-fighting cavity gap 18, makes y become the cube order of magnitude to increase when δ reduces;
All energy losses are all converted to heat energy.
Non-follow control oil circuit: oil circuit control △ P △ Q enters and controls oil-in 20, enter pressure stabilizing cavity 17 again, when pressure can overcome the pretightning force of cone valve spring 10 poppet valve core 9 move to right control oil-out 21 mouthfuls open, liquid stream is through controlling oil-out 21-oil circuit control oil returning tube 12-fuel tank 13, as long as keep this flow regime, the pressure then going up pressure stabilizing cavity 17 place is a steady state value, this steady state value overcomes pressure and elastomeric bearing 2 power in chamber, lower in-fighting chamber 16, thus lower in-fighting cavity gap 18 can be controlled change, make lower in-fighting cavity gap 18 become δ
1y can be made to become three cubed increase according to the reduction of in-fighting cavity gap 18 under above-mentioned calculating, therefore can the change of control y, thus artificial random control energy absorption numerical value can be accomplished, also can adjust to the while of just the same as brake and match with needs absorbed energy.
Operating principle: main energy absorption process: in-fighting chamber 16 is to main oil-out 15 under the liquid PQ with energy enters main oil-in 14 to the flow section formed by lower in-fighting cavity gap 18 and lower in-fighting chamber width 19, liquid flows in lower in-fighting chamber 16, and the pressure at lower in-fighting chamber 16 place reduces to △ P by Pc
0.Non-follow control oil circuit: oil circuit control △ P △ Q enters and controls oil-in 21, enter pressure stabilizing cavity 17 again, when pressure can overcome the pretightning force of cone valve spring 10 poppet valve core 9 move to right control oil-out 21 mouthfuls open, liquid stream is through controlling oil-out 21-oil circuit control oil returning tube 12-fuel tank 13, as long as keep this flow regime, the pressure then going up pressure stabilizing cavity 17 place is a steady state value, and the product that this steady state value takes advantage of floating pressure to balance the area gained of side plate 5 upper end deducts the pressure P at lower in-fighting chamber 16 place
0floating pressure is taken advantage of to balance the product of the area gained of side plate 5 lower end, both difference overcomes elastomeric bearing 2 to be made floating pressure balance side plate 5 to move down lower in-fighting cavity gap 18 and reduce, y is made to become the cube order of magnitude to increase, to reach complete endergonic object, often adjust Primary regulation handle 11, lower in-fighting cavity gap 18 is worth just corresponding change, thus can control y value size.Accomplish that absorbing energy mates completely with absorbed energy, also arbitrarily can control the size absorbing energy value.
Claims (3)
1. the hand adjustment hydraulic energy absorption plant for sky parking's emergency protection, it is characterized in that: comprise energy absorption housing (1) and be fixedly connected to form a cuboid with inside groove with front and rear cover (6), floating pressure balance side plate (5) is dynamic for cuboid is formed in this rectangular groove to be coordinated, the surrounding of floating pressure balance side plate (5) has weather strip (3) to seal, top and the floating pressure of elastomeric bearing (2) balance below side plate (5) and contact, the below of elastomeric bearing (2) contacts with the bottom surface of energy absorption housing (1), lower in-fighting chamber (16) is defined with the inner bottom part of energy absorption housing (1) below floating pressure balance side plate (5), the height of lower in-fighting chamber (16) is lower in-fighting cavity gap (18), width is lower in-fighting chamber width (19), upper pressure stabilizing cavity (17) is defined with upper cover (4) above floating pressure balance side plate (5), front and rear cover (6) has main oil-in (14) respectively, main oil-out (15), main oil-in (14), main oil-out (15) is on the longitudinal centre line of front and rear cover (6), simultaneously with the bottom surface of energy absorption housing (1) near and within lower in-fighting chamber (16), control oil-in (20) is had in the upper end, two sides of energy absorption housing (1), control oil-out (21), control oil-in (21), controlling oil-out (21) is within pressure stabilizing cavity (17), cone valve spring (10) left end is pressed on poppet valve core (9), right-hand member is pressed on mobile bearing pad (8), make poppet valve core (9) that oil-out (21) hole will be controlled to block, adjustment regulating handle (11) adjustable poppet valve core (9) blocking controls the pressure of oil-out (21), poppet valve core (9) coordinates with mobile bearing pad (8) and control valve housing (7) are dynamic, the right outside side that control valve housing (7) is fixed on energy absorption housing (1) controls oil-out (21) place.
2. a kind of hand adjustment hydraulic energy absorption plant for sky parking's emergency protection according to claim 1, it is characterized in that: control valve housing has circular port in (7), mobile bearing pad (8) is dynamic with it to be coordinated, mobile bearing pad (8) left side is pressed in cone valve spring (10) right-hand member, the left side of cone valve spring (10) is pressed in poppet valve core (9), the right side of mobile bearing pad (8) is pressed in regulating handle (11), rotate the pretightning force of regulating handle (11) adjustable cone valve spring (10), the inner chamber of control valve housing (7) is connected by oil circuit control oil returning tube (12) and fuel tank (13), the endoporus of control valve housing (7), control oil-out (21), poppet valve core (9), cone valve spring (10), mobile bearing pad (8), regulating handle (11) is on same center line.
3. the method for the hand adjustment hydraulic energy absorption plant of sky parking's emergency protection; it is characterized in that: concrete absorption process step is: main energy absorption process: in-fighting chamber (16) is flowed out to main oil-out (15) under the liquid PQ with energy enters main oil-in (14) to the flow section formed by lower in-fighting cavity gap (18) and lower in-fighting chamber width (19); calculated by the main energy absorption process of this device, its functional expression is
Wherein, y is the off-energy that liquid flows to this energy absorbing device;
Q is the flow that liquid flows to this energy absorbing device, also linearly increases when Q increases y;
δ is the gap value that liquid flows to this energy absorbing device, namely descends in-fighting cavity gap (18), makes y become the cube order of magnitude to increase when δ reduces;
All energy losses are all converted to heat energy;
Non-follow control oil circuit: oil circuit control △ P △ Q enters and controls oil-in (20), enter pressure stabilizing cavity (17) again, when pressure can overcome the pretightning force of cone valve spring (10) poppet valve core (9) move to right control oil-out (21) mouth open, liquid stream is through controlling oil-out (21)-oil circuit control oil returning tube (12)-fuel tank (13), as long as keep this flow regime, the pressure then going up pressure stabilizing cavity (17) place is a steady state value, this steady state value overcomes pressure and elastomeric bearing (2) power of lower in-fighting chamber (16), thus the change of lower in-fighting cavity gap (18) can be controlled, lower in-fighting cavity gap (18) is made to become δ
1y can be made to become three cubed increase according to the reduction of in-fighting cavity gap (18) under above-mentioned calculating, therefore can the change of control y, thus artificial random control energy absorption numerical value can be accomplished, also can adjust to the while of just the same as brake and match with needs absorbed energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310217657.9A CN103291105B (en) | 2013-06-04 | 2013-06-04 | Manual-adjustment hydraulic energy absorption device and method for emergency protection of parking tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310217657.9A CN103291105B (en) | 2013-06-04 | 2013-06-04 | Manual-adjustment hydraulic energy absorption device and method for emergency protection of parking tower |
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| Publication Number | Publication Date |
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| CN103291105A CN103291105A (en) | 2013-09-11 |
| CN103291105B true CN103291105B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310217657.9A Expired - Fee Related CN103291105B (en) | 2013-06-04 | 2013-06-04 | Manual-adjustment hydraulic energy absorption device and method for emergency protection of parking tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103527572B (en) * | 2013-09-23 | 2017-09-29 | 徐州工程学院 | The device and method absorbed with Analog control hydraulic energy |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2422479A1 (en) * | 1974-05-09 | 1975-11-13 | Fichtel & Sachs Ag | IMPACT ABSORBER WITH FORCE LIMITING |
| CN2360675Y (en) * | 1998-12-17 | 2000-01-26 | 南京建筑工程学院 | Viberator for automotive hydraulic braking device |
| CN203322136U (en) * | 2013-06-04 | 2013-12-04 | 徐州工程学院 | High-power manually-adjusted hydraulic energy absorbing device for emergency protection of parking tower |
-
2013
- 2013-06-04 CN CN201310217657.9A patent/CN103291105B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2422479A1 (en) * | 1974-05-09 | 1975-11-13 | Fichtel & Sachs Ag | IMPACT ABSORBER WITH FORCE LIMITING |
| CN2360675Y (en) * | 1998-12-17 | 2000-01-26 | 南京建筑工程学院 | Viberator for automotive hydraulic braking device |
| CN203322136U (en) * | 2013-06-04 | 2013-12-04 | 徐州工程学院 | High-power manually-adjusted hydraulic energy absorbing device for emergency protection of parking tower |
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| CN103291105A (en) | 2013-09-11 |
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Granted publication date: 20150701 Termination date: 20160604 |