CN205010361U - Track tensioning device of metal guide ring - Google Patents
Track tensioning device of metal guide ring Download PDFInfo
- Publication number
- CN205010361U CN205010361U CN201520712318.2U CN201520712318U CN205010361U CN 205010361 U CN205010361 U CN 205010361U CN 201520712318 U CN201520712318 U CN 201520712318U CN 205010361 U CN205010361 U CN 205010361U
- Authority
- CN
- China
- Prior art keywords
- guide ring
- metal guide
- ring
- cylinder body
- hole
- 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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- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to a track tensioning device of metal guide ring belongs to excavator overspeed device tensioner field, including the hydro -cylinder body that has the hydro -cylinder dish, one end at the through -hole is equipped with the pull rod, the other end at the through -hole is equipped with the plunger axle, inside the opening of plunger axle has the oil filler point, the pull rod is equipped with the fork ring on stretching out hydro -cylinder body section, be equipped with the spring between hydro -cylinder dish and the fork ring, the through -hole department of hydro -cylinder sinistron end is equipped with the echelonment inside groove, the inside of echelonment inside groove is provided with the metal guide ring, the outside of metal guide ring is the echelonment, be provided with the wearing layer on the inner wall of metal guide ring, the left side of metal guide ring is provided with the dust ring, U -type sealing ring is installed to plunger axle right -hand member, be provided with the cutting ferrule between fork ring and the pull rod, be provided with the wearing layer on the inner wall of cutting ferrule, be equipped with the stop collar between the fork ring and the hydro -cylinder body. The utility model discloses compact structure, overspeed device tensioner are provided with the stairstepping inside groove makes installation metal guide ring assemble more easily, and the guide ring is the inside wearing layer, the cost is reduced of being equipped with just.
Description
Technical field
The utility model belongs to excavator tensioning apparatus field, is specifically related to a kind of track takeup of metal guide ring.
Background technology
The many employings of traxcavator buffering tightening device are based on the hydraulic tensioning structure of plunger cylinder principle, run into that operating mode is not good at traxcavator, engine starting or stop moment, equilibrium system is broken, now tightening device works, absorb the vibration of complete machine, maintain the tensioning state of crawler belt.But the director element adopting the materials such as integral polyurethanes on the oil cylinder of current tightening device more, plunger axis is tilted when radial unbalance loading or vibrations, so long-time, then axle oil envelope lost efficacy, and caused fluid to be revealed, director element is generally all arranged in circular groove, comparatively require great effort during installation, pitch in addition between ring and pull bar and relative sliding occurs, cause wearing and tearing for a long time, have impact on the result of use of tightening device, reduce the service life of tightening device.
Utility model content
For solving above technical deficiency, the utility model provides a kind of track takeup of metal guide ring, compact conformation, tightening device is provided with stepped appearance inside groove and installation metal guide ring is more easily assembled, guide ring is that inside is provided with wearing layer, reduce cost, be provided with the cutting ferrule with wearing layer, increase service life.
The track takeup of the utility model metal guide ring, comprise the cylinder body with oil cylinder dish, the inside of cylinder body is stair-stepping through hole, in one end of through hole, pull bar is housed, one section in pull bar is matched with described stair-stepping through hole, at the other end of through hole, plunger axis is housed, plunger axis inside has oil hole, pull bar is equipped with fork ring stretching out in cylinder body section, spring is provided with between oil cylinder dish and fork ring, stop nut is equipped with in the end that pull bar is stretching out cylinder body part, the through hole of cylinder body left end is provided with stepped inside groove, the inside of stepped inside groove is provided with metal guide ring, the outside of metal guide ring is stepped, be connected with stepped inside groove interference fit, the inwall of metal guide ring is provided with wearing layer, the left side of metal guide ring is provided with dust ring, plunger axis right-hand member is provided with U-shaped seal ring, cutting ferrule is provided with between fork ring and pull bar, the inwall of cutting ferrule is provided with wearing layer, stop collar is provided with between fork ring and cylinder body, stop collar is arranged on pull bar.
Described plunger axis stretches out cylinder body end and is connected with plunger axle bed, and plunger axle bed is provided with two lubricating cups, and lubricating cup one end is communicated with oil hole, the other end connects oiling oil circuit by hydraulic control one-way valve, when road binders path loss bad time, can not affect normal work.
Described oil cylinder dish is welded on the left end of cylinder body, and making and installation is convenient.
Be provided with O RunddichtringO between described pull bar and cylinder body, prevent fluid from flowing out.
Compared with prior art, feature of the present utility model:
Compact conformation, tightening device is provided with stepped appearance inside groove and installation metal guide ring is more easily assembled, guide ring is that inside is provided with wearing layer, reduce cost, be provided with the cutting ferrule with wearing layer, increase service life, be provided with two-way oil inlet passage, when road binders path loss bad time, normal work can not be affected.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1, lubricating cup, 2, plunger axis, 3, dust ring, 4, metal guide ring, 5, oil cylinder dish, 6, cylinder body, 7, U-shaped seal ring, 8, pull bar, 9, stop collar, 10, spring, 11, cutting ferrule, 12, fork ring, 13, stop nut, 14, plunger axle bed.
Detailed description of the invention
Contrast accompanying drawing below, detailed description of the invention of the present utility model is described in further detail.
The track takeup of metal guide ring as shown in Figure 1, comprise the cylinder body 6 with oil cylinder dish 5, the inside of cylinder body 6 is stair-stepping through hole, in one end of through hole, pull bar 8 is housed, one section in pull bar 8 is matched with described stair-stepping through hole, at the other end of through hole, plunger axis 2 is housed, plunger axis 2 inside has oil hole, pull bar 8 cylinder body 6 sections is equipped with fork ring 12 stretching out, spring 10 is provided with between oil cylinder dish 5 and fork ring 12, stop nut 13 is equipped with in the end that pull bar 8 is stretching out cylinder body 6 part, the through hole of cylinder body 6 left end is provided with stepped inside groove, the inside of stepped inside groove is provided with metal guide ring 4, the outside of metal guide ring 4 is stepped, be connected with stepped inside groove interference fit, the inwall of metal guide ring 4 is provided with wearing layer, the left side of metal guide ring 4 is provided with dust ring 3, plunger axis 2 right-hand member is provided with U-shaped seal ring 7, cutting ferrule 11 is provided with between fork ring 12 and pull bar 8, the inwall of cutting ferrule 11 is provided with wearing layer, stop collar 9 is provided with between fork ring 12 and cylinder body 6, stop collar 9 is arranged on pull bar 8.
Plunger axis 2 stretches out cylinder body 6 end and is connected with plunger axle bed 14, and plunger axle bed 14 is provided with two lubricating cups 1, and lubricating cup 1 one end is communicated with oil hole, the other end connects oiling oil circuit by hydraulic control one-way valve, when road binders path loss bad time, can not affect normal work.
Oil cylinder dish 5 is welded on the left end of cylinder body 6, and making and installation is convenient.
Be provided with O RunddichtringO between pull bar 8 and cylinder body 6, prevent fluid from flowing out.
The utility model compact conformation in sum, tightening device is provided with stepped appearance inside groove and installation metal guide ring is more easily assembled, guide ring is that inside is provided with wearing layer, reduce cost, be provided with the cutting ferrule with wearing layer, increase service life, be provided with two-way oil inlet passage, when road binders path loss bad time, normal work can not be affected.
The above is exemplarily described the utility model; obvious the utility model specific implementation is not subject to the restrictions described above; no matter be do any change in its shape or structure; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection domain of the present utility model without to improve.
Claims (4)
1. the track takeup of a metal guide ring, comprise the cylinder body (6) with oil cylinder dish (5), the inside of described cylinder body (6) is stair-stepping through hole, pull bar (8) is housed in one end of described through hole, one section in described pull bar (8) is matched with described stair-stepping through hole, at the other end of described through hole, plunger axis (2) is housed, plunger axis (2) inside has oil hole, described pull bar (8) cylinder body (6) section is equipped with fork ring (12) stretching out, spring (10) is provided with between oil cylinder dish (5) and fork ring (12), stop nut (13) is equipped with in the end that pull bar (8) is stretching out cylinder body (6) part, it is characterized in that the through hole of described cylinder body (6) left end is provided with stepped inside groove, the inside of stepped inside groove is provided with metal guide ring (4), the outside of metal guide ring (4) is stepped, be connected with stepped inside groove interference fit, the inwall of metal guide ring (4) is provided with wearing layer, the left side of metal guide ring (4) is provided with dust ring (3), plunger axis (2) right-hand member is provided with U-shaped seal ring (7), cutting ferrule (11) is provided with between fork ring (12) and pull bar (8), the inwall of cutting ferrule (11) is provided with wearing layer, stop collar (9) is provided with between fork ring (12) and cylinder body (6), stop collar (9) is arranged on pull bar (8).
2. the track takeup of metal guide ring according to claim 1, it is characterized in that plunger axis (2) stretches out cylinder body (6) end and is connected with plunger axle bed (14), plunger axle bed (14) is provided with two lubricating cups (1), and lubricating cup (1) one end is communicated with oil hole, the other end connects oiling oil circuit by hydraulic control one-way valve.
3. the track takeup of metal guide ring according to claim 1, is characterized in that oil cylinder dish (5) is welded on the left end of cylinder body (6).
4. the track takeup of metal guide ring according to claim 1, is characterized in that being provided with O RunddichtringO between pull bar (8) and cylinder body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712318.2U CN205010361U (en) | 2015-09-15 | 2015-09-15 | Track tensioning device of metal guide ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712318.2U CN205010361U (en) | 2015-09-15 | 2015-09-15 | Track tensioning device of metal guide ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205010361U true CN205010361U (en) | 2016-02-03 |
Family
ID=55208976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520712318.2U Expired - Fee Related CN205010361U (en) | 2015-09-15 | 2015-09-15 | Track tensioning device of metal guide ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205010361U (en) |
-
2015
- 2015-09-15 CN CN201520712318.2U patent/CN205010361U/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 |
Granted publication date: 20160203 Termination date: 20190915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |