CN207809566U - A kind of excavation chain rail assembly - Google Patents
A kind of excavation chain rail assembly Download PDFInfo
- Publication number
- CN207809566U CN207809566U CN201721718125.3U CN201721718125U CN207809566U CN 207809566 U CN207809566 U CN 207809566U CN 201721718125 U CN201721718125 U CN 201721718125U CN 207809566 U CN207809566 U CN 207809566U
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- Prior art keywords
- chain
- piece
- rail
- chain rail
- pin
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Abstract
The utility model discloses a kind of excavation chain rail assembly, belongs to chain rail technical field, it is characterised in that：Including left chain rail piece, right chain rail piece, chain pin, guide, left chain rail piece is formed by connecting with right chain rail piece by two chainlet rail pieces, two chainlet rail piece link positions are provided with bolt hole, between be provided with wearing layer, through-hole is provided on wearing layer, wearing layer includes connection steel disc and rubber ring, bolt is fixed, guide is provided with chain piece, chain on piece is provided with oil circuit, oil groove is provided on chain pin, oil circuit and oil groove communicate, left chain rail piece is provided with chain section header with right chain rail piece, chain pin, chain section header and chain on piece are both provided with pin hole, chain piece is provided with iron washer and sealing and dustproof circle with chain section header connecting portion, chain pin is connected by pin hole and corresponding chain piece and chain section header.The installation and dismounting of chain rail can be facilitated, it is simple and reasonable, and also sealing effect is preferable, safeguards and maintenance is convenient.
Description
Technical field
The utility model is related to technical field of engineering machinery, are used for crawler-mounted excavator domain running gear, and in particular to
A kind of excavation chain rail assembly.
Background technology
Chain rail assembly is one of chassis member of engineering machinery, is a kind of vulnerable part of used engineering machinery.Chain rail is total
At being commonly used in above the engineering machinery such as excavator, bull-dozer, crawler crane, paver.The working environment that chain rail assembly faces
It is typically extremely severe, need timing to carry out Maintenance and Repair and replacement to chain rail assembly.However, the existing total Cause Structure of chain rail
It is arranged unreasonable, needs to be difficult to when removing chain rail assembly in actual use normally to dismantle chain rail assembly, Zhi Nengshi
It is destructive to toll breakdown, it causes the link units at the place of tolling breakdown to be destroyed, needs to re-start supplement replacement, lead to operation more not
Just it, takes a lot of work laborious, while increasing maintenance cost, and the working environment that sealing performance is poor in addition severe, sewage meeting and consolidate
Body particle can cause chain rail to corrode and wear.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of reasonable in design, sealings
Superior, abrasion condition are relatively light, facilitate the installation of chain rail and remove, maintenance and repair easily excavates chain rail assembly, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides following technical solution：
A kind of excavation chain rail assembly, it is characterised in that：Including left chain rail piece, right chain rail piece, chain pin, guide, the left side
Chain rail piece is symmetrical set with the right chain rail piece and structure is identical, and the both ends of the left chain rail piece and the right chain rail piece are equal
It is provided with chain section header, the left chain rail piece is formed by connecting with the right chain rail piece by two chainlet rail pieces, two chainlets
Rail piece link position is both provided with coaxial bolt hole, and wearing layer, the wearing layer are provided between two chainlet rail pieces
On be provided with the through-hole coaxial with the bolt hole of the chainlet rail on piece, the wearing layer includes connection steel disc and rubber ring, institute
Chainlet rail piece is stated to be bolted with the connection steel disc, the guide is provided at both ends with chain piece, the chain piece with it is described
Chain section header is connected, and iron washer and sealing and dustproof circle is provided between the chain piece and the chain section header, the chain piece is provided with oil
Road, the chain pin are connect with the chain piece, and the chain pin centre position is provided with oil groove, and the oil circuit and the oil groove communicate.
By using above-mentioned technical proposal, when needing to dismantle chain rail assembly, chain when chain rail assembly works in order to prevent
It is detached between pin and guide, is interference fit between chain pin and guide, causes to be difficult in operation normally that chain rail is total
At dismantling, can only be it is destructive toll breakdown, cause the chain link at the place of tolling breakdown to be destroyed, need to re-start supplement and replace, cause to grasp
Make more inconvenience, take a lot of work arduously, while increasing maintenance cost, by the way that left chain rail piece and right chain rail piece are divided into two chainlet rails
Wearing layer is arranged between two chainlet rail pieces in piece, and two chainlet rail pieces are fixed with bolt, and dismounting work is being carried out to chain rail assembly
It as long as unloading bolt when making, can quickly and easily complete to remove work, avoid the destructive damage tolled breakdown to chain link,
Manpower and materials are saved, the cost of Maintenance and Repair is reduced.The setting of wearing layer increases the intensity of junction, makes junction not
It easily snaps off, rubber ring also plays the effect of buffering friction.Be respectively set on chain piece and chain pin simultaneously the oil circuit that communicates and
Oil groove has not only acted as oil storage, can also play lubricating action to chain rail piece while lubricating chain pin and guide.
As preferred：The oil circuit diameter is less than the diameter of the oil groove.
By using above-mentioned technical proposal, the wave of lubricating oil is be easy to cause if oil circuit diameter is more than the diameter of oil groove
Take, and the impurity such as fine particle also easily result in blockage to oil circuit.It is straight much smaller than oil groove by being arranged oil circuit diameter
Diameter, lubricating oil slowly lead to the oil circuit from the oil groove in the form of oil droplet, pass through the left chain rail piece of oil-way lubrication and right chain rail
The lubricating oil of piece slowly drips chain rail piece and right chain rail piece to the left in the form of oil droplet, will not cause the waste of lubricating oil, oil circuit
It is not easy to be blocked.
As preferred：The sealing and dustproof circle is W type rubber rings, and the iron washer outer diameter is interior with the sealing and dustproof circle
Diameter is identical.
It is continuous to rub since friction coefficient is big during in-orbit chain assembly running by using above-mentioned technical proposal
Keep gap increasing, after sewage and solid particle enter sealing room by gap, exacerbate its abrasion condition, and corrode plus
Play, so that traditional rail chain assembly total quality and service life greatly shorten.Pass through iron washer and sealing and dustproof circle
It is used in combination, friction coefficient can be efficiently reduced, prevent sewage and solid particle from entering behind sealing room to chain rail by gap
It wears and corrodes caused by assembly, improve the service life of chain rail assembly.
As preferred：The left chain rail piece, the right chain rail piece, the chain section header, the connection steel disc, the chain pin,
The guide, the chain piece, the iron washer are fabricated by identical material.
By using above-mentioned technical proposal, in the processing and manufacturing of the parts such as engineering machinery accessory, fastener, connector
On, using skimble-scamble material, its intensity and quality can be caused irregular, using same material manufacture the left chain rail piece,
The right chain rail piece, the chain section header, the connection steel disc, the chain pin, the guide, the chain piece, the iron washer, can
With specification material, intensity, stabilised quality are improved, keeps chain rail assembly more durable, the service life is longer.
The utility model has the advantage of：1. by the way that connection steel disc is arranged among left chain rail piece and right chain rail piece, right
As long as unloading connection steel disc when chain rail assembly carries out dismounting work, it can quickly and easily complete to remove work, avoid brokenly
Bad property tolls breakdown the damage to chain link, while also saving manpower and materials, reduces the cost of Maintenance and Repair；2. by iron washer with
The combined use of W type rubber seal dustbands, can efficiently reduce friction coefficient, prevent sewage and solid particle from passing through gap
It wears and corrodes caused by chain rail assembly after into sealing room, improve the service life of chain rail assembly；3. by using unified
All parts are made in material, improve intensity, stabilize quality, keep chain rail assembly more durable；4. by chain pin
If dry sump is arranged in centre position on wall, and if dry sump is in that connection is arranged, it ensure that the lubricating grease between guide and chain pin
If flowing exchange can be carried out in dry sump, lubricant effect is improved.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram excavating chain rail assembly of the utility model；
Fig. 2 is the structural schematic diagram of wearing layer in Fig. 1.
Reference numeral：1, wearing layer；101, rubber ring；102, steel disc is connected；103, through-hole；2, left chain rail piece；3, chain piece；
301, oil circuit；4, chain pin；5, guide；6, chain section header；7, sealing and dustproof circle；8, oil groove；9, iron washer；10, right chain rail piece.
Specific implementation mode
Referring to Fig.1, Fig. 2 excavation chain rail assemblies a kind of to the utility model are described further.
A kind of excavation chain rail assembly, it is characterised in that：Including left chain rail piece 2, right chain rail piece 10, chain pin 4, guide 5, institute
State that left chain rail piece 2 is symmetrical set with the right chain rail piece 10 and structure is identical, the left chain rail piece 2 and the right chain rail piece
10 both ends are both provided with chain section header 6, the left chain rail piece 2 connect by two chainlet rail pieces with the right chain rail piece 10 and
At two chainlet rail piece link positions are both provided with coaxial bolt hole, are provided between two chainlet rail pieces resistance to
Layer 1 is ground, the through-hole 103 coaxial with the bolt hole of the chainlet rail on piece is provided on the wearing layer 1, the wearing layer 1 wraps
It includes connection steel disc 102 and rubber ring 101, the chainlet rail piece is bolted with steel disc 102 is connect, the two of the guide 5
End is provided with chain piece 3, and the chain piece 3 is connected with the chain section header 6, and iron pad is provided between the chain piece 3 and the chain section header 6
9 and sealing and dustproof circle 7 are enclosed, is provided with oil circuit 301 on the chain piece 3, the chain pin 4 is connect with the chain piece 3, the chain pin 4
Centre position is provided with oil groove 8, and the oil circuit 301 and the oil groove 8 communicate.
By using above-mentioned technical proposal, when needing to dismantle chain rail assembly, chain when chain rail assembly works in order to prevent
It is detached between pin 4 and guide 5, is interference fit between chain pin 4 and guide 5, causes to be difficult in operation normally by chain
Rail assembly is dismantled, can only be it is destructive toll breakdown, cause the chain link at the place of tolling breakdown to be destroyed, need to re-start supplement and replace, lead
It causes to operate more inconvenience, take a lot of work arduously, while increasing maintenance cost, by the way that left chain rail piece 2 and right chain rail piece 10 are divided into two
Wearing layer 1 is arranged between two chainlet rail pieces, two chainlet rail pieces are fixed with bolt, to chain rail assembly for a chainlet rail piece
As long as unload bolt when dismounting work, it can quickly and easily complete to remove work, avoid destructiveness and toll breakdown to chain
The damage of section, also saves manpower and materials, reduces the cost of Maintenance and Repair.The setting of wearing layer 1 increases the strong of junction
Degree makes junction that frangibility, rubber ring 101 not allowed to also play the effect of buffering friction.Divide on chain piece 3 and chain pin 4 simultaneously
The oil circuit 301 communicated and oil groove 8 are not set, oil storage has been not only acted as, it can also be while lubricating chain pin 4 and guide 5 to chain
Rail piece plays lubricating action.
As preferred：301 diameter of the oil circuit is less than the diameter of the oil groove 8.
By using above-mentioned technical proposal, lubricating oil is be easy to cause if 301 diameter of oil circuit is more than the diameter of oil groove 8
Waste, and the impurity such as fine particle also easily result in blockage to oil circuit 301.It is remote small by the way that 301 diameter of oil circuit to be arranged
In the diameter of oil groove 8, lubricating oil slowly leads to the oil circuit 301 in the form of oil droplet from the oil groove 8, is moistened by oil circuit 301
The lubricating oil of sliding left chain rail piece 2 and right chain rail piece 10 slowly drips chain rail piece 2 and right chain rail piece 10 to the left in the form of oil droplet, will not
The waste of lubricating oil, oil circuit 301 is caused also to be not easy to be blocked.
As preferred：The sealing and dustproof circle 7 is W type rubber rings, the outer diameter of the iron washer 9 and the sealing and dustproof circle
7 internal diameter is identical.
It is continuous to rub since friction coefficient is big during in-orbit chain assembly running by using above-mentioned technical proposal
Keep gap increasing, after sewage and solid particle enter sealing room by gap, exacerbate its abrasion condition, and corrode plus
Play, so that traditional rail chain assembly total quality and service life greatly shorten.Pass through iron washer 9 and sealing and dustproof circle 7
Combined use, friction coefficient can be efficiently reduced, prevent sewage and solid particle by gap enter sealing room after to chain
It wears and corrodes caused by rail assembly, improve the service life of chain rail assembly.
As preferred：It is the left chain rail piece 2, the right chain rail piece 10, the chain section header 6, the connection steel disc 1, described
Chain pin 4, the guide 5, the chain piece 3, the iron washer 9 are fabricated by identical material.
By using above-mentioned technical proposal, in the processing and manufacturing of the parts such as engineering machinery accessory, fastener, connector
On, using skimble-scamble material, its intensity and quality can be caused irregular, using same material manufacture the left chain rail piece 2,
The right chain rail piece 10, the chain section header 6, the connection steel disc 1, the chain pin 4, the guide 5, the chain piece 3, the iron
Washer 9 can keep chain rail assembly more durable, the service life is longer with specification material, raising intensity, stabilised quality.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of excavation chain rail assembly, it is characterised in that：Including left chain rail piece, right chain rail piece, chain pin, guide, the left chain
Rail piece is symmetrical set with the right chain rail piece and structure is identical, and the both ends of the left chain rail piece and the right chain rail piece are all provided with
It is equipped with chain section header, the left chain rail piece is formed by connecting with the right chain rail piece by two chainlet rail pieces, two chainlet rails
Piece link position is both provided with coaxial bolt hole, is provided with wearing layer between two chainlet rail pieces, on the wearing layer
It is provided with the through-hole coaxial with the bolt hole of the chainlet rail on piece, the wearing layer includes connecting steel disc and rubber ring, described
Chainlet rail piece is bolted with the connection steel disc, and the guide is provided at both ends with chain piece, the chain piece and the chain
Section header is connected, and iron washer and sealing and dustproof circle are provided between the chain piece and the chain section header, and the chain piece is provided with oil circuit,
The chain pin is connect with the chain piece, and the chain pin centre position is provided with oil groove, and the oil circuit and the oil groove communicate.
2. a kind of excavation chain rail assembly according to claim 1, it is characterised in that：There are two the rubber rings, described
Connection steel disc is placed between two rubber rings, and is mutually close to.
3. a kind of excavation chain rail assembly according to claim 1, it is characterised in that：The oil circuit diameter is less than the oil
The diameter of slot.
4. a kind of excavation chain rail assembly according to claim 1, it is characterised in that：The sealing and dustproof circle is W type rubbers
Cushion rubber.
5. a kind of excavation chain rail assembly according to claim 1, it is characterised in that：The iron washer outer diameter with it is described close
The internal diameter for sealing dustband is identical.
6. a kind of excavation chain rail assembly according to claim 1, it is characterised in that：The left chain rail piece, the right chain
Rail piece, the chain section header, the connection steel disc, the chain pin, the guide, the chain piece, the iron washer are by same material
Matter is fabricated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721718125.3U CN207809566U (en) | 2017-12-12 | 2017-12-12 | A kind of excavation chain rail assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721718125.3U CN207809566U (en) | 2017-12-12 | 2017-12-12 | A kind of excavation chain rail assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207809566U true CN207809566U (en) | 2018-09-04 |
Family
ID=63331821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721718125.3U Active CN207809566U (en) | 2017-12-12 | 2017-12-12 | A kind of excavation chain rail assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207809566U (en) |
-
2017
- 2017-12-12 CN CN201721718125.3U patent/CN207809566U/en active Active
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