CN203627397U - Erector telescopic oil cylinder - Google Patents
Erector telescopic oil cylinder Download PDFInfo
- Publication number
- CN203627397U CN203627397U CN201320844575.2U CN201320844575U CN203627397U CN 203627397 U CN203627397 U CN 203627397U CN 201320844575 U CN201320844575 U CN 201320844575U CN 203627397 U CN203627397 U CN 203627397U
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- China
- Prior art keywords
- chamber
- piston
- guide pillar
- cylinder barrel
- piston rod
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- 238000007789 sealing Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 abstract description 46
- 238000000034 method Methods 0.000 abstract description 13
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 206010044565 Tremor Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of oil cylinders, in particular to an erector telescopic oil cylinder. The erector telescopic oil cylinder comprises a cylinder barrel, a guide column, a piston and a piston rod for conveying hydraulic oil. The cylinder barrel is provided with a cylinder barrel cavity sleeved with the guide column, the guide column is provided with a guide column cavity sleeved with the piston, one end of the piston rod penetrates through the cylinder barrel chamber and is fixedly arranged at one end of the cylinder barrel, the other end of the piston rod is fixedly connected with the piston, a guide column sliding sleeve is sleeved with the cylinder barrel cavity, and the piston is arranged in the guide column cavity in a sliding fit mode. According to the erector telescopic oil cylinder, through the fixed cylinder barrel and the piston rod, driving is completed through the movement of the guide column, deflection can be prevented from happening to the telescopic oil cylinder in the guide process, the structure is simple, and the guide process is stable.
Description
Technical field
The utility model relates to oil cylinder technical field, especially a kind of assembling machine telescopic oil cylinder.
Background technique
Assembling machine is one of earth moving machinery the most frequently used in engineering construction, and along with the development of engineering machinery, assembling machine is applied more and more widely.When assembling machine work, required various power are mainly by hydraulic oil cylinder driving.
Active force between side and the cylinder sleeve of what the guiding of the telescopic oil cylinder telescopic process that at present, assembling machine is used mainly relied on is piston body and the active force of piston rod and cylinder cover portion side.The problem existing is: in the time that piston rod stroke is larger and piston body approaches oil cylinder oral area, under axial load effect, oil cylinder axis is compared with perfect condition, can occur certain " axial-shift ", cause inner earial drainage to change and the side of piston body and cylinder sleeve between pressure increase, the active force between piston rod and oil cylinder oral area side increases, and causes thrust shakiness, make piston rod movement occur " creep and shake ", leading role declines.
Model utility content
The technical problems to be solved in the utility model is: in order to solve existing telescopic oil cylinder, beat easily occurs in guiding process, the unsettled problem of leading role, the utility model provides a kind of assembling machine telescopic oil cylinder, by stator bore and piston rod, utilize the motion of guide pillar to complete driving, effectively solve telescopic oil cylinder beat, the unsettled problem of leading role have easily occurred in guiding process.
The utility model solves the technological scheme that its technical problem adopts: a kind of assembling machine telescopic oil cylinder, comprise the piston rod of cylinder barrel, guide pillar, piston and conveying liquid force feed, described cylinder barrel has the cylinder barrel chamber of suit guide pillar, described guide pillar has the guide pillar chamber of piston set, one end of described piston rod is passed cylinder barrel chamber and is fixedly installed on one end of cylinder barrel, the described piston rod the other end is fixedly connected with piston, described guide pillar flip sleeve is located in cylinder barrel chamber, in described guide pillar chamber, is slidably matched and is provided with piston.
In order to prevent that hydraulic oil from overflowing, between described piston and guide pillar chamber inner wall, be provided with the first Sealing, described piston has the first seal groove that holds described the first Sealing.
In order to increase the stationarity of guide pillar in the process of motion, between one end of described cylinder barrel chamber and guide pillar outer wall, be provided with the first guide sleeve, described the first guide sleeve is fixedly connected with cylinder barrel chamber, and described the first guide sleeve and guide pillar outer wall closely cooperate.
In order to fix the axial motion direction of guide pillar in guide pillar chamber, between one end of described guide pillar chamber and piston rod outer wall, be provided with the second guide sleeve, described the second guide sleeve is fixedly connected with guide pillar chamber, and described the second guide sleeve and piston rod outer wall closely cooperate.
For the hydraulic oil in guide pillar chamber is not overflowed, between described the second guide sleeve and piston rod, be provided with the second Sealing, described the second guide sleeve has the second seal groove that holds described the second Sealing.
Particularly, guide pillar chamber is divided into the first chamber and the second chamber by described piston, described piston rod inside is provided with the first oil duct and the second oil duct, and described the first oil duct is communicated with the first chamber, and described the second oil duct is communicated with the second chamber, in the time that telescopic oil cylinder demand motive extends, the first oil duct is to the first chamber conveying liquid force feed, and guide pillar drives forwards, and the second chamber is compressed, by the second oil duct oil return, complete elongation process; In the time that telescopic oil cylinder need to shrink, described the second oil duct is to oiling in the second chamber, and the first oil duct oil return, completes contraction process.
The beneficial effects of the utility model are: the utility model provides a kind of assembling machine telescopic oil cylinder, by stator bore and piston rod, utilize the motion of guide pillar to complete driving, can prevent that telescopic oil cylinder from guiding process, beat occurring, simple in structure, guiding process stabilization.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the sectional view of a kind of assembling machine telescopic oil cylinder of the present utility model.
In figure: 1. cylinder barrel, 2. guide pillar, 3. piston, 4. piston rod, 5. the first guide sleeve, 6. the second guide sleeve, 11. cylinder barrel chambers, 21. guide pillar chambers, 31. first seal grooves, 41. first oil ducts, 42. second oil ducts, 61. second seal grooves, 211. first chambers, 212. second chambers.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of assembling machine telescopic oil cylinder, comprise cylinder barrel 1, guide pillar 2, the piston rod 4 of piston 3 and conveying liquid force feed, cylinder barrel 1 has the cylinder barrel chamber 11 of suit guide pillar 2, guide pillar 2 has the guide pillar chamber 21 of piston set 3, one end of piston rod 4 is passed cylinder barrel chamber 11 and is fixedly installed on one end of cylinder barrel 1, piston rod 4 the other ends are fixedly connected with piston 3, guide pillar 2 flip sleeves are located in cylinder barrel chamber 11, in guide pillar chamber 21, be slidably matched and be provided with piston 3, between piston 3 and guide pillar chamber 21 inwalls, be provided with the first Sealing, piston 3 has the first seal groove 31 that holds the first Sealing, between one end of cylinder barrel chamber 11 and guide pillar 2 outer walls, be provided with the first guide sleeve 5, the first guide sleeve 5 is fixedly connected with cylinder barrel chamber 11, the first guide sleeve 5 closely cooperates with guide pillar 2 outer walls, between one end of guide pillar chamber 21 and piston rod 4 outer walls, be provided with the second guide sleeve 6, the second guide sleeve 6 is fixedly connected with guide pillar chamber 21, the second guide sleeve 6 closely cooperates with piston rod 4 outer walls, between the second guide sleeve 6 and piston rod 4, be provided with the second Sealing, the second guide sleeve 6 has the second seal groove 61 that holds the second Sealing, guide pillar chamber 21 is divided into the first chamber 211 and the second chamber 212 by piston 3, piston rod 4 inside are provided with the first oil duct 41 and the second oil duct 42, the first oil duct 41 is communicated with the first chamber 211, the second oil duct 42 is communicated with the second chamber 212.
In the time that telescopic oil cylinder demand motive extends, the first oil duct 41 is to the first chamber 211 conveying liquid force feeds, and guide pillar 2 drives forwards, and the second chamber 212 is compressed, by the second oil duct 42 oil returns, completes elongation process; In the time that telescopic oil cylinder need to shrink, described the second oil duct 42 is to the interior oiling of the second chamber 212, and the first oil duct 41 oil returns, complete contraction process.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this model utility technological thought, carry out various change and modification completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (6)
1. an assembling machine telescopic oil cylinder, it is characterized in that comprising: cylinder barrel (1), guide pillar (2), the piston rod (4) of piston (3) and conveying liquid force feed, described cylinder barrel (1) has the cylinder barrel chamber (11) of suit guide pillar (2), described guide pillar (2) has the guide pillar chamber (21) of piston set (3), one end of described piston rod (4) is passed cylinder barrel chamber (11) and is fixedly installed on one end of cylinder barrel (1), described piston rod (4) the other end is fixedly connected with piston (3), described guide pillar (2) flip sleeve is located in cylinder barrel chamber (11), in described guide pillar chamber (21), be slidably matched and be provided with piston (3).
2. assembling machine telescopic oil cylinder as claimed in claim 1, is characterized in that: between described piston (3) and guide pillar chamber (21) inwall, be provided with the first Sealing, described piston (3) has the first seal groove (31) that holds described the first Sealing.
3. assembling machine telescopic oil cylinder as claimed in claim 1, it is characterized in that: between one end of described cylinder barrel chamber (11) and guide pillar (2) outer wall, be provided with the first guide sleeve (5), described the first guide sleeve (5) is fixedly connected with cylinder barrel chamber (11), and described the first guide sleeve (5) closely cooperates with guide pillar (2) outer wall.
4. assembling machine telescopic oil cylinder as claimed in claim 1, it is characterized in that: between one end of described guide pillar chamber (21) and piston rod (4) outer wall, be provided with the second guide sleeve (6), described the second guide sleeve (6) is fixedly connected with guide pillar chamber (21), and described the second guide sleeve (6) closely cooperates with piston rod (4) outer wall.
5. assembling machine telescopic oil cylinder as claimed in claim 4, is characterized in that: between described the second guide sleeve (6) and piston rod (4), be provided with the second Sealing, described the second guide sleeve (6) has the second seal groove (61) that holds described the second Sealing.
6. the assembling machine telescopic oil cylinder as described in claim 1-5 any one, it is characterized in that: guide pillar chamber (21) is divided into the first chamber (211) and the second chamber (212) by described piston (3), described piston rod (4) inside is provided with the first oil duct (41) and the second oil duct (42), described the first oil duct (41) is communicated with the first chamber (211), and described the second oil duct (42) is communicated with the second chamber (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844575.2U CN203627397U (en) | 2013-12-20 | 2013-12-20 | Erector telescopic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844575.2U CN203627397U (en) | 2013-12-20 | 2013-12-20 | Erector telescopic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627397U true CN203627397U (en) | 2014-06-04 |
Family
ID=50813880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320844575.2U Active CN203627397U (en) | 2013-12-20 | 2013-12-20 | Erector telescopic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196818A (en) * | 2014-09-24 | 2014-12-10 | 郑州协力建工设备有限公司 | Novel quick-pressurizing hydraulic cylinder |
-
2013
- 2013-12-20 CN CN201320844575.2U patent/CN203627397U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196818A (en) * | 2014-09-24 | 2014-12-10 | 郑州协力建工设备有限公司 | Novel quick-pressurizing hydraulic cylinder |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |