CN206090678U - Loaderdigger overspeed device tensioner - Google Patents
Loaderdigger overspeed device tensioner Download PDFInfo
- Publication number
- CN206090678U CN206090678U CN201521137181.9U CN201521137181U CN206090678U CN 206090678 U CN206090678 U CN 206090678U CN 201521137181 U CN201521137181 U CN 201521137181U CN 206090678 U CN206090678 U CN 206090678U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- nut
- hole
- spring
- backstand
- 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
Links
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a loaderdigger overspeed device tensioner, the tool comprises a scre, screw rod tension seat about install respectively at both ends about, the nut is all installed at both ends about left tension seat, is close to right tension seat right -hand member position on the screw rod and installs the nut, is provided with the through -hole on the nut of right tension seat right -hand member, is provided with the through -hole with nut through -hole corresponding position department on the screw rod, installs a split pin on two through -holes, a spring is installed to right tension seat's left end, the spring housing is on the screw rod, a retaining ring is installed to the left end of spring. The utility model discloses simple structure can automatic tensioning when scraper chain when pine in the in -service use, has avoided the condition of the unable automatic tensioning of ordinary overspeed device tensioner.
Description
Technical field
This utility model is related to loader-digger field, more specifically a kind of loader-digger tensioner.
Background technology
Excavator is a kind of conventional engineering mechanical device, and which is mainly used in the excavation of material.Excavator middle scraper is which
Important parts, which realizes action generally by transporter such as belt etc..The scraper plate fortune of existing domestic loader-digger
Defeated machine tensioner is made up of the nut being screwed on screw rod, and nut is and dead, needs manual adjustment in use
Tensioning function is capable of achieving, it is impossible to realize auto-tensioning as needed.
Utility model content
The purpose of this utility model is to make up the deficiencies in the prior art, there is provided a kind of loader-digger tensioner.
The purpose of this utility model is achieved through the following technical solutions：
Loader-digger tensioner, including screw rod, it is characterised in that：The left and right two ends of described screw rod are separately installed with
Left and right backstand, the left and right two ends of left backstand are fitted with nut, are provided with spiral shell near right backstand right end position on screw rod
Mother, is provided with through hole on the nut of right backstand right-hand member, is provided with through hole on screw rod at the position corresponding with nut through hole, and two
One split pin is installed on individual through hole, the left end of right backstand is provided with a spring, spring housing on screw rod, a left side for spring
End is provided with a back-up ring.
The utility model has the advantage of：
This utility model simple structure, in actual use can auto-tensioning when scraper chain pine, it is to avoid common tension
Device cannot auto-tensioning situation.
Description of the drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 is tensioner schematic diagram under scraper chain normal condition.
Fig. 4 is tensioner schematic diagram under scraper chain relaxed state.
Specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, loader-digger tensioner, including screw rod 1, the left and right two of described screw rod 1
End is separately installed with left and right backstand 3, and the left and right two ends of left backstand are fitted with nut 2, right near right backstand on screw rod 1
End position is provided with nut 2, and through hole is provided with the nut 2 of right backstand right-hand member, corresponding with 2 through hole of nut on screw rod 1
Through hole is provided with position, a split pin 6 is installed on two through holes, the left end of right backstand is provided with a spring 5, bullet
On screw rod 1, the left end of spring 5 is provided with a back-up ring 4 to spring set 5.
Claims (1)
1. loader-digger tensioner, including screw rod, it is characterised in that：The left and right two ends of described screw rod are separately installed with a left side
Right backstand, the left and right two ends of left backstand are fitted with nut, are provided with nut near right backstand right end position on screw rod,
Through hole is provided with the nut of right backstand right-hand member, through hole on screw rod, at the position corresponding with nut through hole, is provided with, two
One split pin is installed on through hole, the left end of right backstand is provided with a spring, spring housing on screw rod, the left end of spring
One back-up ring is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521137181.9U CN206090678U (en) | 2015-12-30 | 2015-12-30 | Loaderdigger overspeed device tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521137181.9U CN206090678U (en) | 2015-12-30 | 2015-12-30 | Loaderdigger overspeed device tensioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206090678U true CN206090678U (en) | 2017-04-12 |
Family
ID=58470469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521137181.9U Expired - Fee Related CN206090678U (en) | 2015-12-30 | 2015-12-30 | Loaderdigger overspeed device tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206090678U (en) |
-
2015
- 2015-12-30 CN CN201521137181.9U patent/CN206090678U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20171230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |