CN211494289U - Track tensioning device of guide ring - Google Patents
Track tensioning device of guide ring Download PDFInfo
- Publication number
- CN211494289U CN211494289U CN201922236425.3U CN201922236425U CN211494289U CN 211494289 U CN211494289 U CN 211494289U CN 201922236425 U CN201922236425 U CN 201922236425U CN 211494289 U CN211494289 U CN 211494289U
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- Prior art keywords
- fixing
- guide ring
- rod
- piston rod
- guide
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- Expired - Fee Related
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Abstract
The utility model discloses a track overspeed device tensioner of guide ring, including to the leading wheel, leading wheel axle center department is provided with the bearing, the leading wheel passes through bearing and U physique fixed connection, U physique one end is provided with sealed sleeve, sealed sleeve one end is provided with fixing device, the inside spring that is provided with of sealed sleeve, the inside plunger axle that is provided with of spring, plunger axle one end is provided with a stopper rod section of thick bamboo, the inside hydro-cylinder that is provided with of a plunger cylinder, the inside piston rod that is provided with of hydro-cylinder, piston rod surface one side is provided with the guide ring, guide ring one end is provided with fixed stopper, piston rod one end runs through inside a stopper rod section of thick bamboo, the piston rod surface is connected with stopper rod section of thick bamboo. The track overspeed device tensioner of guide ring, inside can not being got into the device by debris such as earth sewage, lead to the device card stopper to corrode, quick detachable change and installation moreover.
Description
Technical Field
The utility model relates to a track overspeed device tensioner technical field specifically is the track overspeed device tensioner of guide ring.
Background
The track is opened and is advanced the device and be the indispensable part in chassis of walking machinery such as excavator, adopts the structure of hydraulic cylinder + spring buffering more, and when walking machinery start or parking, when through good operating mode such as bank, the track can receive the impact, and the spring of opening and advancing the device plays the effect of buffering, absorbs the vibration impact of whole machine, maintains the tensioning state of track.
However, the prior track tensioning device of the guide ring has the following problems:
1. components such as a spring and a plunger shaft in the device are exposed in the external environment, so that sundries such as sand, gravel and the like are easily led to enter and cause damage to the components, and the service life of the device is shortened.
2. The device is difficult to disassemble and assemble, and the project time is greatly prolonged when the device needs to be replaced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a track overspeed device tensioner of guide ring has solved the problem among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: track overspeed device tensioner of guide ring, including the leading wheel, leading wheel axle center department is provided with the bearing, the leading wheel passes through bearing and U-shaped body fixed connection, U-shaped body one end is provided with sealed sleeve, sealed sleeve one end is provided with fixing device, the inside spring that is provided with of sealed sleeve, the inside plunger axle that is provided with of spring, plunger axle one end is provided with a stopper rod section of thick bamboo, the inside hydro-cylinder that is provided with of plunger axle, the inside piston rod that is provided with of hydro-cylinder, piston rod surface one side is provided with the guide ring, guide ring one end is provided with fixed stopper, piston rod one end runs through inside a stopper rod section of thick bamboo, piston rod surface and stopper rod section of thick bamboo internal surface fixed connection, fixing: external screw thread connecting rod, screw hole, clamping screw, internal thread sleeve, external screw thread dead lever, fixed disk and fixing bolt.
As an optimized technical scheme of the utility model, U physique both sides respectively with leading wheel bearing's both ends fixed connection.
As a preferred technical scheme of the utility model, external thread connecting rod one end and stopper rod section of thick bamboo one end fixed connection, the external thread connecting rod other end and internal thread sleeve threaded connection, external thread connecting rod one side is run through and is provided with the screw hole, the internal thread sleeve both sides all run through and are provided with the screw hole, the internal thread sleeve other end and external thread dead lever threaded connection, external thread dead lever one end is run through and is provided with the screw hole, external thread connecting rod middle part and fixed disk fixed connection, fixing bolt through connection fixed disk surface, fixing screw runs through in the threaded hole.
As a preferred technical scheme of the utility model, the screw hole is equipped with four groups with clamping screw altogether, fixing bolt is equipped with four groups altogether.
As a preferred technical scheme of the utility model, be equipped with the bolt between sealing sleeve one end and the U-shaped body surface, sealing sleeve passes through bolt and U-shaped body fixed connection, the airtight laminating of sealing sleeve other end internal surface and cock stem section of thick bamboo surface.
As an optimal technical scheme of the utility model, the guide ring surface laminates with hydro-cylinder one side internal surface mutually, the guide ring internal surface is provided with the wearing layer.
As an optimized technical scheme of the utility model, spring internal surface and plunger shaft surface sliding connection.
As a preferred technical scheme of the utility model, the fixed disk is inboard to be laminated with the automobile body mount surface mutually, external screw thread dead lever other end threaded connection is inside the automobile body mount, the fixed disk passes through fixing bolt to be fixed on the automobile body mount.
Compared with the prior art, the utility model provides a track overspeed device tensioner of guide ring possesses following beneficial effect:
1. according to the track tensioning device of the guide ring, sundries are blocked outside by the sealing sleeve arranged outside the device, so that the sundries can be prevented from entering the device and being jammed inside the device to damage components in equipment.
2. This track overspeed device tensioner of guide ring through clamping screw and telescopic cooperation, can be convenient pull down the device, accomplishes to change and install comparatively practical.
Drawings
FIG. 1 is a schematic structural view of a track tensioner of the guide ring of the present invention;
FIG. 2 is a cross-sectional view of the sealing sleeve of the track tensioner of the present invention;
FIG. 3 is a schematic structural view of a track tensioning device fixing device of the guide ring of the present invention;
figure 4 is the utility model discloses the track overspeed device tensioner plunger shaft of guide ring dissects the sketch map.
In the figure: 1. a guide wheel; 2. a U-shaped body; 3. a sealing sleeve; 4. a fixing device; 41. an externally threaded connecting rod; 42. a threaded hole; 43. fixing the screw rod; 44. an internally threaded sleeve; 45. an external thread fixing rod; 46. fixing the disc; 47. fixing the bolt; 5. a spring; 6. a plunger shaft; 7. a stopper rod barrel; 8. an oil cylinder; 9. a piston rod; 10. a guide ring; 11. a fixed plug; 12. a stopper rod barrel; 13. a car body fixing frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in this embodiment: track overspeed device tensioner of guide ring, including leading wheel 1, 1 axle center department of leading wheel is provided with the bearing, leading wheel 1 passes through bearing and 2 fixed connection of U-shaped body, 2 one end of U-shaped body are provided with sealed sleeve 3, 3 one end of sealed sleeve is provided with fixing device 4, the inside spring 5 that is provided with of sealed sleeve 3, the inside plunger axle 6 that is provided with of spring 5, 6 one end of plunger axle is provided with stopper rod section of thick bamboo 12, the inside hydro-cylinder 8 that is provided with of plunger axle 6, the inside piston rod 9 that is provided with of hydro- cylinder 8, 9 surface one side of piston rod is provided with guide ring 10, 10 one end of guide ring is provided with fixed plug 11, 9 one end of piston rod runs through inside stopper rod section of thick bamboo 12, the surface: the fixing device comprises an external thread connecting rod 41, a threaded hole 42, a fixing screw 43, an internal thread sleeve 44, an external thread fixing rod 45, a fixing plate 46 and a fixing bolt 47.
In this embodiment, two sides of the U-shaped body 2 are respectively fixedly connected with two ends of a bearing of the guide wheel 1; one end of an external thread connecting rod 41 is fixedly connected with one end of the plug rod cylinder 12, the other end of the external thread connecting rod 41 is in threaded connection with an internal thread sleeve 44, a threaded hole 42 is formed in one side of the external thread connecting rod 41 in a penetrating mode, threaded holes 42 are formed in two sides of the internal thread sleeve 44 in a penetrating mode, the other end of the internal thread sleeve 44 is in threaded connection with an external thread fixing rod 45, a threaded hole 42 is formed in one end of the external thread fixing rod 45 in a penetrating mode, the middle of the external thread connecting rod 41 is fixedly connected with a fixing disc 46; the threaded holes 42 and the fixing screws 43 are provided with four groups, and the fixing bolts 47 are provided with four groups; a bolt is arranged between one end of the sealing sleeve 3 and the outer surface of the U-shaped body 2, the sealing sleeve 3 is fixedly connected with the U-shaped body 2 through the bolt, and the inner surface of the other end of the sealing sleeve 3 is closely attached to the outer surface of the stopper rod barrel 12; the outer surface of the guide ring 10 is attached to the inner surface of one side of the oil cylinder 8, and the inner surface of the guide ring 10 is provided with a wear-resistant layer; the inner surface of the spring 5 is connected with the outer surface of the plunger shaft 6 in a sliding way; the inner side of the fixed disc 46 is attached to the outer surface of the vehicle body fixing frame 13, the other end of the external thread fixing rod 45 is in threaded connection with the inside of the vehicle body fixing frame 13, and the fixed disc 46 is fixed on the vehicle body fixing frame 13 through a fixing bolt 47.
The utility model discloses a theory of operation and use flow: the external thread fixing rod 45 arranged at the tail end of the device is screwed into the automobile body fixing frame 13, the fixing disc 46 is fixed on the automobile body fixing frame 13 through the fixing bolt 47, the external thread connecting rod 41 is connected with the external thread fixing rod 45 through the rotary internal thread sleeve 44, the fixing screw 43 is screwed to complete installation, sundries are blocked outside through the sealing sleeve 3 arranged outside the device during operation of the device, the sundries can be prevented from entering parts of the device, and the device can be used next time after being washed after the project is completed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The track tensioning device of the guide ring comprises a guide wheel (1), a bearing is arranged at the axis of the guide wheel (1), the guide wheel (1) is fixedly connected with a U-shaped body (2) through the bearing, a sealing sleeve (3) is arranged at one end of the U-shaped body (2), a fixing device (4) is arranged at one end of the sealing sleeve (3), a spring (5) is arranged inside the sealing sleeve (3), a plunger shaft (6) is arranged inside the spring (5), a plunger rod cylinder (12) is arranged at one end of the plunger shaft (6), an oil cylinder (8) is arranged inside the plunger shaft (6), a piston rod (9) is arranged inside the oil cylinder (8), a guide ring (10) is arranged on one side of the outer surface of the piston rod (9), a fixing plug (11) is arranged at one end of the guide ring (10), one end of the piston rod (9) penetrates through the interior of the plunger, the outer surface of the piston rod (9) is fixedly connected with the inner surface of the piston rod barrel (12), and the fixing device (4) comprises: the connecting device comprises an external thread connecting rod (41), a threaded hole (42), a fixing screw rod (43), an internal thread sleeve (44), an external thread fixing rod (45), a fixing disc (46) and a fixing bolt (47).
2. The track tensioner of guide rings as claimed in claim 1, wherein: and two sides of the U-shaped body (2) are respectively and fixedly connected with two ends of a bearing of the guide wheel (1).
3. The track tensioner of guide rings as claimed in claim 1, wherein: external screw thread connecting rod (41) one end and stopper rod section of thick bamboo (12) one end fixed connection, the external screw thread connecting rod (41) other end and internal thread sleeve (44) threaded connection, external screw thread connecting rod (41) one side is run through and is provided with screw hole (42), internal thread sleeve (44) both sides all run through and are provided with screw hole (42), the internal thread sleeve (44) other end and external screw thread dead lever (45) threaded connection, external screw thread dead lever (45) one end is run through and is provided with screw hole (42), external screw thread connecting rod (41) middle part and fixed disk (46) fixed connection, fixing bolt (47) through connection fixed disk (46) surface, set screw (43) run through in screw hole (42).
4. The track tensioner of guide rings as claimed in claim 1, wherein: the threaded holes (42) and the fixing screws (43) are provided with four groups, and the fixing bolts (47) are provided with four groups.
5. The track tensioner of guide rings as claimed in claim 1, wherein: a bolt is arranged between one end of the sealing sleeve (3) and the outer surface of the U-shaped body (2), the sealing sleeve (3) is fixedly connected with the U-shaped body (2) through the bolt, and the inner surface of the other end of the sealing sleeve (3) is closely attached to the outer surface of the plug rod cylinder (12).
6. The track tensioner of guide rings as claimed in claim 1, wherein: the outer surface of the guide ring (10) is attached to the inner surface of one side of the oil cylinder (8), and the inner surface of the guide ring (10) is provided with a wear-resistant layer.
7. The track tensioner of guide rings as claimed in claim 1, wherein: the inner surface of the spring (5) is connected with the outer surface of the plunger shaft (6) in a sliding way.
8. The track tensioner of guide rings as claimed in claim 1, wherein: the fixed disk (46) is attached to the outer surface of the vehicle body fixing frame (13) on the inner side, the other end of the external thread fixing rod (45) is connected to the inside of the vehicle body fixing frame (13) in a threaded mode, and the fixed disk (46) is fixed to the vehicle body fixing frame (13) through a fixing bolt (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922236425.3U CN211494289U (en) | 2019-12-13 | 2019-12-13 | Track tensioning device of guide ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922236425.3U CN211494289U (en) | 2019-12-13 | 2019-12-13 | Track tensioning device of guide ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211494289U true CN211494289U (en) | 2020-09-15 |
Family
ID=72415582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922236425.3U Expired - Fee Related CN211494289U (en) | 2019-12-13 | 2019-12-13 | Track tensioning device of guide ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211494289U (en) |
-
2019
- 2019-12-13 CN CN201922236425.3U patent/CN211494289U/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: 20200915 Termination date: 20201213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |