CN207889855U - Engineering truck track rail assembly - Google Patents
Engineering truck track rail assembly Download PDFInfo
- Publication number
- CN207889855U CN207889855U CN201721549014.4U CN201721549014U CN207889855U CN 207889855 U CN207889855 U CN 207889855U CN 201721549014 U CN201721549014 U CN 201721549014U CN 207889855 U CN207889855 U CN 207889855U
- Authority
- CN
- China
- Prior art keywords
- connecting shaft
- oil
- chain
- road
- axle body
- 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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Abstract
The utility model belongs to crawler belt technical field,More particularly to engineering truck track rail assembly,Including caterpillar chain,Dismountable carrier bar on caterpillar chain,Caterpillar chain includes multiple chain links,Connect the connecting shaft of multiple chain links,The narrow end of chain link is equipped with the axle sleeve coordinated with connecting shaft activity,The wide end of chain link is equipped with the connecting hole coordinated with connecting shaft end activity,Connecting shaft is internally provided with oil storage chamber,Connecting shaft axle body and the oil outlet that multiple connection oil storage chambers in spiral distribution are equipped at axle sleeve cooperation,Connecting shaft axle body both ends avoid the oil revolving end road of fluid effusion with being equipped at connecting hole cooperation,Axle body on the inside of oil revolving end road is equipped with back oil road,Back oil road by oil revolving end road side along axle body spiral about after by oil revolving end road other side connection oil revolving end road,Connecting shaft end is equipped with the pouring orifice of connection oil storage chamber,Reduce abrasion,Improve the connection reliability of crawler belt,Extend crawler belt service life.
Description
Technical field
The utility model belongs to crawler belt technical field, and in particular to engineering truck track rail assembly.
Background technology
Crawler belt is the drive for driving vehicle to be moved in the complicated rough topography such as beach, marsh, desert, field, ice and snow, gravel
Motivation structure, crawler belt are made of caterpillar chain, the carrier bar on caterpillar chain, and caterpillar chain is mutually made of multiple chain segments, chain link
Intersegmental to be connected using axis pin, existing axis pin passes through spring finger setting.Due in the crawler belt course of work, being connected by axis pin front and back
Chain segment can act on sizable tractive force and frictional force on axis pin, and the axis pin flexible rotating of spring finger setting is poor, when long
Between using axis pin unanimously wear same place, the dismounting hinge pin for causing axis pin to deform, being replaced, and deform is replaced very numb
Tired, time-consuming, increases the maintenance cost of crawler belt.
The heavy industrys machinery such as existing excavator, mining equiment mostly uses crawler belt as traveling tool, and crawler belt is by chain rail and shoe
Band plate forms, and chain rail is formed by connecting by axis and axle sleeve by Chain Link.Under prolonged use, rubbing between axis and axle sleeve
It is big to wipe power, axis or axle sleeve capability and performance is caused to decline, it may occur that the phenomenon that axis or axle sleeve crack, not only reduces the connection of chain rail
Intensity, and the service life of equipment is shortened, while also reducing the safety of equipment.
Utility model content
Technical problem to be solved in the utility model is in view of the foregoing drawbacks, to provide engineering truck track rail assembly, subtract
Less wear improves the connection reliability of crawler belt, extends crawler belt service life.
The technical solution that the utility model solves the use of its technical problem is as follows：
Dismountable carrier bar on engineering truck track rail assembly, including caterpillar chain, caterpillar chain, the caterpillar chain include more
A chain link, the multiple chain links of connection make the connecting shaft of composition caterpillar chain, the narrow end of chain link be equipped with the axle sleeve coordinated with connecting shaft activity,
The wide end of chain link is equipped with the connecting hole that coordinate with connecting shaft end activity, and connecting shaft is internally provided with oil storage chamber, connecting shaft axle body and
Be equipped with the oil outlets of multiple connection oil storage chambers in spiral distribution at axle sleeve cooperation, connecting shaft axle body both ends at connecting hole cooperation
Equipped with the oil revolving end road for avoiding fluid from escaping, the axle body on the inside of oil revolving end road is equipped with back oil road, and back oil road is by oil revolving end road side
Set out along axle body spiral about after by oil revolving end road other side connection oil revolving end road, connecting hole, axle sleeve joint are correspondingly connected with axis
Axle body is arranged baffle ring, and baffle ring both ends extend respectively to connecting hole, in axle sleeve, and connecting shaft end is equipped with the oiling of connection oil storage chamber
Mouthful, connecting shaft axle body, by oil lubrication, reduces connecting shaft and the frictional force of axle sleeve with connecting hole, shaft room, avoids mutually
Abrasion can avoid connecting shaft, axle sleeve deformation, ensure the connection reliability of chain internode, improve crawler belt performance, improve crawler belt
The intensity of chain extends the service life of caterpillar chain assembly.
Further, plunger is equipped at the pouring orifice.
Further, the chain link is equipped with the mounting hole of installation carrier bar, and carrier bar is fixed by screws at mounting hole,
The nut bore of the fixed carrier bar of cooperation is additionally provided on chain link at mounting hole.
Further, the connecting shaft end is equipped with baffle ring.
Further, the oil outlet is distributed in connecting shaft axle body in double-helix, and crawler belt is in use, connecting shaft, axis
There is the trend of rotation or rotation in inner room, the oil outlet of Spiral distribution makes fluid form cycle in connecting shaft axle body, by fuel-displaced
Hole passes in and out, and avoids leaking outside with fluid, sufficient lubrication.
The utility model has the beneficial effects that：Using the above scheme, connecting shaft axle body passes through fluid with connecting hole, shaft room
Lubrication, reduces connecting shaft and the frictional force of axle sleeve, avoids mutually wearing, and can avoid connecting shaft, axle sleeve deformation, ensures chain internode
Connection reliability, improve crawler belt performance, improve the intensity of caterpillar chain, extend the service life of caterpillar chain assembly.
Description of the drawings
Through the following detailed description taken in conjunction with the accompanying drawings, the utility model objects, features and advantages above-mentioned and other will
It becomes apparent.
Fig. 1 is the schematic cross-section of the intersegmental connection of the utility model chain link.
Fig. 2 is the cooperation schematic diagram of connecting shaft and chain link in the utility model.
Fig. 3 is the connection status schematic diagram of the utility model chain segment and carrier bar.
Fig. 4 is the structural schematic diagram of connecting shaft in a kind of embodiment of the utility model.
Fig. 5 is the structural schematic diagram of connecting shaft in the utility model another kind embodiment.
Wherein：1 is carrier bar, and 2 be chain link, and 21 be mounting hole, and 22 be nut bore, and 3 be connecting shaft, and 31 be oil storage chamber, and 32 are
Back oil road, 33 be oil revolving end road, and 34 be oil outlet, and 35 be pouring orifice, and 4 be axle sleeve, and 5 be connecting hole, and 6 be baffle ring, and 7 be baffle ring,
71 be baffle ring slot.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1：- Fig. 3 referring to Fig.1, dismountable chain on engineering truck track rail assembly, including caterpillar chain, caterpillar chain
Plate 1, caterpillar chain, which includes multiple chain links 2, the multiple chain links of connection 2, keeps the connecting shaft 3 of composition caterpillar chain, 2 one end of chain link wide, another
Hold narrow, the narrow end for connecting 2 is equipped with axle sleeve 4 with the activity cooperation of connecting shaft 3, and the wide end of chain link 2 is equipped with and the activity of 3 end of connecting shaft
The connecting hole 5 of cooperation, when connecting shaft 3 connects adjacent chain link, 3 middle part axle body of connecting shaft coordinates with 4 activity of axle sleeve, connecting shaft
End coordinates with connecting hole activity, and in the both sides of axle sleeve, connecting shaft 3 is internally provided with oil storage chamber 31 for connection hole, with reference to Fig. 4, even
The axle body and the oil outlet 32 equipped with multiple connection oil storage chambers 31 in double helix distribution, oil outlet 32 of spindle 3 and axle sleeve cooperation
So that the fluid in oil storage chamber 31 is flowed out between connecting shaft and sleeve lining face, abutted surface is lubricated, avoids mill between the two
Damage ensures the flexibility of chain internode junction, reduces the frictional force between connecting shaft and axle sleeve, avoids connecting shaft, axle sleeve because rubbing
It wipes and wears, deforms, connecting shaft, axle sleeve is avoided the phenomenon that crack occur, ensure the reliability of the connection of chain internode, keep abundant
Lubrication, so that crawler belt is not easy interim card in, 3 axle body both ends of connecting shaft avoid fluid from escaping with being equipped at 5 cooperation of connecting hole
Oil revolving end road 33, the axle body of the inside of oil revolving end road 33 is equipped with one of back oil road 34, back oil road 34 by oil revolving end road 33 side
Set out along axle body spiral about after by oil revolving end road other side connection oil revolving end road, connecting hole 5,4 joint of axle sleeve are correspondingly connected with
3 axle body of axis is arranged baffle ring 6, and 6 both ends of baffle ring extend respectively to connecting hole 5, in axle sleeve 4, and baffle ring 6 plays sealing function, to connection
Place is sealed, and foreign matter is avoided to invade, and fluid is avoided to expose, and fluid is flowed along 6 inner wall of baffle ring, and fluid is by 6 inner wall of baffle ring
Connecting hole inner wall is introduced, at connecting hole 5, fluid plays lubricating action between connecting shaft and connecting hole, and the fluid at this is in oil return
It is recycled between road 34, oil revolving end road 33, back oil road 34 makes fluid flow into oil revolving end road 33 again by the outflow of oil revolving end road 33, avoids fluid
It is lost in, connecting shaft 3 is equipped with baffle ring 7 in the outside of connecting hole 5, and baffle ring 7 is sleeved in connecting shaft 3, and corresponding position is equipped in connecting shaft 3
It is set with the baffle ring slot 71 of baffle ring 7,3 end of connecting shaft is limited, avoids connecting shaft 3 from being detached from, while playing sealing function, keeps away
Exempt from foreign matter intrusion, the end of connecting shaft 3 is equipped with the pouring orifice 35 of connection oil storage chamber 31, is equipped with plunger at pouring orifice 35, can pass through
Pouring orifice 35 fills lubricating oil into oil storage chamber 31.
Carrier bar 2 is equipped with mounting hole, and chain link upper surface is equipped with mounting hole 21, and carrier bar 2 is mounted on chain link upper end by screw
On face, screw penetrates mounting hole by mounting hole, and carrier bar side is equipped with the nut bore 22 of connection mounting hole, is equipped in nut bore 22
Nut, nut, screw fit make carrier bar 2 be detachably arranged on caterpillar chain, are detachably connected, and are grasped convenient for the maintenance of crawler belt
Make, improves crawler belt maintenance efficiency.
Embodiment 2：- Fig. 3 referring to Fig.1, dismountable chain on engineering truck track rail assembly, including caterpillar chain, caterpillar chain
Plate 1, caterpillar chain, which includes multiple chain links 2, the multiple chain links of connection 2, keeps the connecting shaft 3 of composition caterpillar chain, 2 one end of chain link wide, another
Hold narrow, the narrow end for connecting 2 is equipped with axle sleeve 4 with the activity cooperation of connecting shaft 3, and the wide end of chain link 2 is equipped with and the activity of 3 end of connecting shaft
The connecting hole 5 of cooperation, when connecting shaft 3 connects adjacent chain link, 3 middle part axle body of connecting shaft coordinates with 4 activity of axle sleeve, connecting shaft
End coordinates with connecting hole activity, and in the both sides of axle sleeve, connecting shaft 3 is internally provided with oil storage chamber 31 for connection hole, with reference to Fig. 5, even
Spindle 3 and the axle body and the oil outlet 32 equipped with multiple connection oil storage chambers 31 in spiral distribution, oil outlet 32 of axle sleeve cooperation make
Fluid in oil storage chamber 31 flows out between connecting shaft and sleeve lining face, is lubricated to abutted surface, avoids abrasion between the two,
Ensure the flexibility of chain internode junction, reduces the frictional force between connecting shaft and axle sleeve, avoid connecting shaft, axle sleeve due to friction
Abrasion, deformation, avoid connecting shaft, axle sleeve from the phenomenon that crack occur, ensure the reliability of the connection of chain internode, keep adequately profit
It is sliding, so that crawler belt is not easy interim card in, 3 axle body both ends of connecting shaft avoid time of fluid effusion with being equipped at 5 cooperation of connecting hole
The axle body in the roads You Duan 33,33 inside of oil revolving end road is equipped with twice back oil road 34, and back oil road 34 is by the side in oil revolving end road 33
Along axle body spiral about after by oil revolving end road other side connection oil revolving end road, communicated among twice back oil road 34, no matter connecting shaft
It rotates forward, reversion, fluid can be in oil revolving end road, back oil road internal circulation flow, to being carried out at connecting shaft and chain link activity cooperation
Adequately lubrication, and fluid is avoided to escape, fluid is correspondingly connected with 3 axle body of axis in connecting hole 5,4 joint of axle sleeve and is arranged baffle ring
6,6 both ends of baffle ring extend respectively to connecting hole 5, in axle sleeve 4, and baffle ring 6 plays sealing function, is sealed to junction, avoids
Foreign matter invades, and fluid is avoided to expose, and fluid is flowed along 6 inner wall of baffle ring, and fluid introduces connecting hole inner wall by 6 inner wall of baffle ring,
At connecting hole 5, fluid plays lubricating action between connecting shaft and connecting hole, and the fluid at this is in back oil road 34, oil revolving end road
It is recycled between 33, back oil road 34 makes fluid flow into oil revolving end road 33 again by the outflow of oil revolving end road 33, avoids fluid from being lost in, connecting shaft 3
It is equipped with baffle ring 7 in the outside of connecting hole 5, baffle ring 7 is sleeved in connecting shaft 3, and corresponding position is equipped with suit baffle ring 7 in connecting shaft 3
Baffle ring slot 71 limits 3 end of connecting shaft, avoids connecting shaft 3 from being detached from, while playing sealing function, foreign matter is avoided to invade,
The end of connecting shaft 3 is equipped with the pouring orifice 35 of connection oil storage chamber 31, and plunger is equipped at pouring orifice 35, can be by pouring orifice 35 to storage
Lubricating oil is filled in oil pocket 31.
Carrier bar 2 is equipped with mounting hole, and chain link upper surface is equipped with mounting hole 21, and carrier bar 2 is mounted on chain link upper end by screw
On face, screw penetrates mounting hole by mounting hole, and carrier bar side is equipped with the nut bore 22 of connection mounting hole, is equipped in nut bore 22
Nut, nut, screw fit make carrier bar 2 be detachably arranged on caterpillar chain, are detachably connected, and are grasped convenient for the maintenance of crawler belt
Make, improves crawler belt maintenance efficiency.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
It makes, to any simple modification, equivalent variations made by above example in every foundation the technical essence of the utility model, falls
Enter within the scope of protection of the utility model.
Claims (5)
1. dismountable carrier bar on engineering truck track rail assembly, including caterpillar chain, caterpillar chain, it is characterised in that：The shoe
With chain including multiple chain links, the multiple chain links of connection makes the connecting shaft of composition caterpillar chain, and the narrow end of chain link is equipped with and connecting shaft activity
The axle sleeve of cooperation, the wide end of chain link are equipped with the connecting hole coordinated with connecting shaft end activity, and connecting shaft is internally provided with oil storage chamber, even
Spindle axle body and the oil outlet that multiple connection oil storage chambers in spiral distribution are equipped at axle sleeve cooperation, connecting shaft axle body both ends and company
The oil revolving end road for being equipped at the cooperation of hole and fluid being avoided to escape is connect, the axle body on the inside of oil revolving end road is equipped with back oil road, and back oil road is by returning
The roads You Duan side set out along axle body spiral about after by oil revolving end road other side connection oil revolving end road, connecting hole, axle sleeve joint
It is correspondingly connected with axis axle body and is arranged baffle ring, baffle ring both ends extend respectively to connecting hole, in axle sleeve, and connecting shaft end is equipped with connection store oil
The pouring orifice of chamber.
2. engineering truck track rail assembly according to claim 1, it is characterised in that：It is characterized in that：The oiling
Plunger is equipped at mouthful.
3. engineering truck track rail assembly according to claim 1, it is characterised in that：The chain link is equipped with installation chain
The mounting hole of plate, carrier bar are fixed by screws at mounting hole, and the spiral shell of the fixed carrier bar of cooperation is additionally provided on the chain link at mounting hole
Female hole.
4. engineering truck track rail assembly according to claim 1, it is characterised in that：The connecting shaft end is equipped with gear
Ring.
5. engineering truck track rail assembly according to claim 1, it is characterised in that：The oil outlet is in connecting shaft axis
Body is distributed in double-helix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721549014.4U CN207889855U (en) | 2017-11-17 | 2017-11-17 | Engineering truck track rail assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721549014.4U CN207889855U (en) | 2017-11-17 | 2017-11-17 | Engineering truck track rail assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207889855U true CN207889855U (en) | 2018-09-21 |
Family
ID=63547700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721549014.4U Expired - Fee Related CN207889855U (en) | 2017-11-17 | 2017-11-17 | Engineering truck track rail assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207889855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843945A (en) * | 2019-11-26 | 2020-02-28 | 三一重机有限公司 | Caterpillar track unit, caterpillar track and excavator |
-
2017
- 2017-11-17 CN CN201721549014.4U patent/CN207889855U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843945A (en) * | 2019-11-26 | 2020-02-28 | 三一重机有限公司 | Caterpillar track unit, caterpillar track and excavator |
| CN110843945B (en) * | 2019-11-26 | 2021-05-28 | 三一重机有限公司 | Caterpillar track unit, caterpillar track and excavator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180921 Termination date: 20211117 |