CN200940653Y - Compression spring replacing device - Google Patents
Compression spring replacing device Download PDFInfo
- Publication number
- CN200940653Y CN200940653Y CN 200620042692 CN200620042692U CN200940653Y CN 200940653 Y CN200940653 Y CN 200940653Y CN 200620042692 CN200620042692 CN 200620042692 CN 200620042692 U CN200620042692 U CN 200620042692U CN 200940653 Y CN200940653 Y CN 200940653Y
- Authority
- CN
- China
- Prior art keywords
- bar tube
- ring
- bar
- tube
- pressure spring
- Prior art date
- 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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- Actuator (AREA)
- Sealing Devices (AREA)
Abstract
A compression spring substitution device, includes a piston rod device and a cylinder block device, the piston rod device includes a first rod tube, a first rod head arranged with a stomata and a first one-way valve is connected fixedly to one end of the first rod tube, the edge fixed on the other end of the rod head is arranged with a guide ring of an oil groove, and a piston block with a seal part is arranged in the first rod tube; the cylinder block device includes a second rod tube with a second one-way valve valve, a second rod head arranged with a stomata is fixed connected to one end of the second rod tube, and an end cover arranged with a seal part, guide belt and guide sleeve is at the other end of the second rod tube. This device can be extensively applied in large mechanism such as crane.
Description
Technical field
The utility model relates to a kind of pressure spring replacement device that is equivalent to pressure spring.
Background technique
In the prior art, pressure spring mechanism is because its principle is all F=K * L, because K is a constant, therefore will change restoring force F, just must change its reduction length L.Requiring the certain and compression stroke of power not simultaneously, then need change different springs.This is especially in the occasion of not easy care, replacing, as the high-altitude, when the space is narrow, very inconvenient in practical application.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of pressure spring replacement device, the technological scheme that it adopts is: a kind of pressure spring replacement device, comprise piston lever arrangement and cylinder apparatus, wherein piston lever arrangement comprises the first bar tube, its that is connected with the first bar tube, one end is provided with the first bar head of the pore and first one-way valve, the edge that is fixed on the first bar tube the other end is provided with the guide ring of oil groove, and the piston block that has Sealing and piston block guidance tape that is positioned at the first bar tube; Cylinder apparatus comprises the second bar tube that is provided with second one-way valve, and its that is connected with the second bar tube, one end is provided with the second bar head of pore, and the end cap that has Sealing, guidance tape and guide sleeve that is positioned at the second bar tube the other end.
The beneficial effects of the utility model are:
Profile concision and compact, device proper possess certain rigidity, intensity, and restoring force and compression stroke are adjustable respectively within the specific limits, and easy to adjust.
Description of drawings
Fig. 1 is the utility model structure sectional view;
Fig. 2 is the enlarged view of local A among Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As depicted in figs. 1 and 2, the utility model comprises piston lever arrangement and cylinder apparatus, wherein piston lever arrangement comprises the first bar tube 3, its that is connected with the first bar tube, 3 threaded one ends is provided with the first bar head 1 of the pore and first one-way valve 2, and is provided with a bar O shape circle back-up ring 4,5 sealings of tube bar O shape circle between the first bar tube and the first bar head; The edge that is fixed on the first bar tube the other end by Cock screw 18 is provided with the guide ring 20 of oil groove, and the piston block 26 that has O shape circle back-up ring 15, O shape circle 16, seal ring 17, piston block guidance tape 19 that is positioned at the first bar tube; Cylinder apparatus comprises the second bar tube 21 that is provided with second one-way valve 202, its that is welded on the second bar tube, one end is provided with the second bar head 23 of pore 22, and be positioned at the second bar tube the other end have dust ring 7, end bracket enclosed circle 8, end cap the one O shape circle 9, axle a end cap 6 with stair ring 10, end cap O shape circle back-up ring 12, end cap the 2nd O shape circle 13, guidance tape 11 and guide sleeve 14.
The second bar tube 21 constitutes oil pocket 25 with the cavity volume of piston rod bottom piston interblock.During force compresses, piston rod is withdrawn to cylinder body outside oil gas cylinder is subjected to.Because the incompressibility of hydraulic oil, it acts on compression air cavity 24 interior gases on the piston block, according to gaseous state equation of equilibrium P * V/T=constant, forms restoring force.In the range of oil gas cylinder,, can change its stroke by preliminary filling hydraulic pressure oil mass; By regulating the pressure of preliminary filling gas, can change the size of its restoring force.
At first open exhaust port 22 during use, make exhaust port 22 be in a high position.Piston rod pendulum to required maximum travel position is fixed.By second one-way valve 202 oiling in cylinder on the cylinder body, the groove of hydraulic oil flow on guide ring enters oil pocket, has oil to flow out until exhaust port 22.Inflate in air cavity by first one-way valve 2 on the piston rod then.Preliminary filling pressure size is calculated by design.Oil-filled once more, after the interior gas emptying of assurance oil pocket, closed grate hole 22.
Claims (5)
1. pressure spring replacement device, it is characterized in that comprising: piston lever arrangement and cylinder apparatus, wherein piston lever arrangement comprises the first bar tube, its that is connected with the first bar tube, one end is provided with the first bar head of the pore and first one-way valve, the edge that is fixed on the first bar tube the other end is provided with the guide ring of oil groove, and the piston block that has Sealing and piston block guidance tape that is positioned at the first bar tube; Cylinder apparatus comprises the second bar tube that is provided with second one-way valve, and its that is connected with the second bar tube, one end is provided with the second bar head of pore, and the end cap that has Sealing, guidance tape and guide sleeve that is tightened on the second bar tube the other end.
2. pressure spring replacement device as claimed in claim 1 is characterized in that being connected between the first bar tube and the first bar head is threaded and has O shape circle back-up ring, seal with O ring; Be connected to welding between the second bar tube and the second bar head.
3. pressure spring replacement device as claimed in claim 1 is characterized in that the Sealing on the piston block is to be positioned at the seal ring in neutral position and the O shape circle back-up ring and the O shape circle of close end positions.
4. pressure spring replacement device as claimed in claim 1 it is characterized in that the Sealing on the end cap is used stair ring for the dust ring between the end cap and the first bar tube, seal ring, axle, and the O shape between the end cap and the second bar tube is enclosed, O shape circle back-up ring.
5. pressure spring replacement device as claimed in claim 1 is characterized in that being connected by Cock screw between guide ring that the edge is provided with oil groove and the first bar tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620042692 CN200940653Y (en) | 2006-06-12 | 2006-06-12 | Compression spring replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620042692 CN200940653Y (en) | 2006-06-12 | 2006-06-12 | Compression spring replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200940653Y true CN200940653Y (en) | 2007-08-29 |
Family
ID=38746830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620042692 Expired - Fee Related CN200940653Y (en) | 2006-06-12 | 2006-06-12 | Compression spring replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200940653Y (en) |
-
2006
- 2006-06-12 CN CN 200620042692 patent/CN200940653Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070829 Termination date: 20130612 |