CN202811634U - Front-telescopic cylinder of concrete pump truck - Google Patents
Front-telescopic cylinder of concrete pump truck Download PDFInfo
- Publication number
- CN202811634U CN202811634U CN 201220445120 CN201220445120U CN202811634U CN 202811634 U CN202811634 U CN 202811634U CN 201220445120 CN201220445120 CN 201220445120 CN 201220445120 U CN201220445120 U CN 201220445120U CN 202811634 U CN202811634 U CN 202811634U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- piston
- cylinder barrel
- piston rod
- pump truck
- 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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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a front-telescopic cylinder of a concrete pump truck. The front-telescopic cylinder is characterized in that one end of a cylinder barrel is welded with a cylinder bottom, and the other end of the cylinder barrel is internally provided with a guide sleeve; a piston rod is sheathed in the guide sleeve and is inserted into the cylinder barrel; a piston is arranged at one end of the piston rod extending into the cylinder barrel; and the piston rod at the outer side of the piston is provided with a locking nut. The front-telescopic cylinder disclosed by the utility model has the advantages that by the arrangement, the piston is not easy to loose on a piston cylinder, so that the maintenance of the cylinder is reduced and the maintenance cost is saved.
Description
Technical field
The utility model relates to a kind of oil cylinder, is specifically related to a kind of cement pump truck front stretching oil cylinder.
Background technique
Be used for the front stretching oil cylinder on the cement pump truck, its work is frequent, poor working environment, requires it must have good seal performance, long working life etc.
Summary of the invention
The purpose of this utility model is for the present real work situation of cement pump truck front stretching oil cylinder, and a kind of cement pump truck front stretching oil cylinder is provided.
To achieve these goals, the utility model is welded with cylinder bottom at an end of cylinder barrel, is provided with guide sleeve in the other end inside of cylinder barrel, and piston rod is linked in and inserts cylinder barrel in the guide sleeve, piston is located at the end that piston rod stretches into cylinder barrel, and piston rod is provided with locking nut in the outside of piston.
By above setting, piston of the present utility model is difficult for loosening at piston cylinder, reduced the oil cylinder maintenance, has saved maintenance expenses.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1, cylinder barrel, 2, cylinder bottom, 3, guide sleeve, 4, piston rod, 5, piston, 6, locking nut.
Embodiment
As shown in Figure 1, the utility model is welded with cylinder bottom 2 at an end of cylinder barrel 1, is provided with guide sleeve 3 in the other end inside of cylinder barrel 1, and piston rod 4 is linked in and inserts cylinder barrel 1 in the guide sleeve 3, piston 5 is located at the end that piston rod 4 stretches into cylinder barrel 1, is provided with locking nut 6 at the outside of piston 5 piston rod 4.By above setting, at locking nut 6 of the present utility model Cock screw is installed, make Cock screw hold out against piston rod 4, reach the purpose that prevents that piston 5 from becoming flexible.
Claims (1)
1. cement pump truck front stretching oil cylinder, it is characterized in that: the end at cylinder barrel is welded with cylinder bottom, the other end inside at cylinder barrel is provided with guide sleeve, piston rod is linked in and inserts cylinder barrel in the guide sleeve, piston is located at the end that piston rod stretches into cylinder barrel, and piston rod is provided with locking nut in the outside of piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220445120 CN202811634U (en) | 2012-09-03 | 2012-09-03 | Front-telescopic cylinder of concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220445120 CN202811634U (en) | 2012-09-03 | 2012-09-03 | Front-telescopic cylinder of concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811634U true CN202811634U (en) | 2013-03-20 |
Family
ID=47870516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220445120 Expired - Fee Related CN202811634U (en) | 2012-09-03 | 2012-09-03 | Front-telescopic cylinder of concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811634U (en) |
-
2012
- 2012-09-03 CN CN 201220445120 patent/CN202811634U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20190903 |