CN106828639B - Crawler attachment and tension wheel apparatus - Google Patents
Crawler attachment and tension wheel apparatus Download PDFInfo
- Publication number
- CN106828639B CN106828639B CN201710118031.0A CN201710118031A CN106828639B CN 106828639 B CN106828639 B CN 106828639B CN 201710118031 A CN201710118031 A CN 201710118031A CN 106828639 B CN106828639 B CN 106828639B
- Authority
- CN
- China
- Prior art keywords
- axis
- tension
- extension
- pulley
- axle bed
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/30—Track-tensioning means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/14—Arrangement, location, or adaptation of rollers
- B62D55/15—Mounting devices, e.g. bushings, axles, bearings, sealings
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The disclosure is directed to a kind of crawler attachment and tense wheel apparatus, it is related to crawler belt technical field, the tension wheel apparatus is installed on track frame, track frame has the first extension and the second extension, first extension and the second extension are respectively arranged with tension axle bed, the tension wheel apparatus includes: a take-up pulley, is set between the first extension and the second extension；One tenses axis, tenses axis and coaxially fixes with take-up pulley, the two sides for tensing axis are rotatably fixed to first extension and second extension respectively；And two bushings, the two sides for tensing axis are sheathed on, is located at and tenses axis and tense between axle bed, and be fixedly connected with axle bed is tensed.The disclosure helps to improve the service life of the device, shortens the replacement cycle.
Description
Technical field
This disclosure relates to crawler belt technical field, tension wheel apparatus in particular to a kind of mining machinery and including should
Tense the crawler attachment of wheel apparatus.
Background technique
Crawler attachment is the important component of large-sized mining dredger, the service life of take-up pulley and replacement week in crawler attachment
Phase and time directly affect the reliability and production efficiency of equipment.
The large-sized mining dredger take-up pulley and crawler attachment of the prior art are limited due to being architectural limitation with control principle,
Than very fast, service life is shorter for copper sheathing abrasion；It is indefinite that copper sheathing wears standard, therefore is unable to control the replacement cycle, further
It may cause and tense axis and the direct contact wear of take-up pulley, cause to tense axis and wear to scrap；The prior art replaces copper sheathing and tension
When wheel apparatus, the replacement more complicated and period is longer, causes maintenance cost excessively high.Therefore, it is necessary to study a kind of take-up pulley dresses
It sets, and then improves the service life of take-up pulley and shorten the replacement cycle, to reach the running quality for improving integral device.
It should be noted that information is only used for reinforcing the reason to the background of the disclosure disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The disclosure is designed to provide a kind of tension wheel apparatus and its crawler attachment.And then at least to a certain extent gram
Take due to the relevant technologies limitation and defect caused by one or more problem.
According to one aspect of the disclosure, a kind of tension wheel apparatus is provided, is installed on track frame, the track frame has the
One extension and the second extension, first extension and the second extension are respectively arranged with tension axle bed, the take-up pulley
Device includes:
One take-up pulley, the take-up pulley are set between first extension and the second extension；
One tenses axis, and the tension axis is coaxially fixed with the take-up pulley, and the two sides difference for tensing axis is rotationally
It is fixed on first extension and second extension；And
Two bushings, two bushings are sheathed on the two sides for tensing axis, and two bushings are located at the drawing
Between mandrel and the tension axle bed, and it is fixedly connected with the tension axle bed.
In a kind of exemplary embodiment of the disclosure, prismatic is respectively equipped on first extension and the second extension
Through-hole, the tension axle bed are mounted in the prismatic through-hole, and the tension axle bed includes:
Axle bed main body, is set as tubular, and outer cylinder face is set as prism-shaped compatible with the prismatic through-hole, the axis
The inner cylinder face of seat main body is adapted with the lateral surface of the bushing；
Postive stop baffle is set to outside the axle bed main body, along the axle bed main body radially extend and with the track frame it is solid
Fixed connection；
Extend canister portion, it is same to be located in the axle bed main body close to the side of the take-up pulley, the outer cylinder for extending canister portion
Face is set smaller than the prism-shaped in the outer cylinder face of the axle bed main body.
In a kind of exemplary embodiment of the disclosure, the tension wheel apparatus further include:
Two spacer assemblies, spacer assembly described in two groups are sheathed on the two sides of the take-up pulley respectively, are located at the drawing
Between bearing up pulley and first extension and the second extension, the spacer assembly prolongs with first extension with second respectively
Extending portion is fixedly connected.
In a kind of exemplary embodiment of the disclosure, the spacer assembly includes:
Liner, for ring-type, two liners are sheathed on the extension canister portion for tensing axle bed respectively, and the liner is interior
Anchor ring is adapted with the extension canister portion for tensing axle bed, and the outer ring surface of the liner is circle；
Sealing ring, the sealing ring are sheathed on the outer layer of the liner, and cover between the liner and the take-up pulley
Gap；
Bolt assembly, the bolt assembly is set on the sealing ring, for fixing the sealing ring and the liner.
In a kind of exemplary embodiment of the disclosure, the tension axis includes:
Fixed section, the fixed section are the linkage section that the tension axis and the take-up pulley are fixed；
First side, first side for tensing axis is the side extended to first extension, and first side is straight
Diameter is less than the first segment diameter；
Second side, described second side for tensing axis is the side extended to second extension, and described second side is straight
Diameter is less than the first segment diameter；
First end, the first end is the outer end of first side for tensing axis, and the first end diameter is less than institute
State the first side diameter；
Second end, the second end is the outer end of described second side for tensing axis, and the second end diameter is less than institute
State second side diameter.
In a kind of exemplary embodiment of the disclosure, two bushings be sheathed on respectively it is described tense axis the first side with
Second side, and one end of two bushings respectively with it is described tense axis first segment two sides clearance fit, two bushings it is another
One end extends respectively to the junction of tension first side of axis and first end and the junction of second side and second end.
In a kind of exemplary embodiment of the disclosure, the tension wheel apparatus further include:
First lubrication hole, set on the tension axle bed on the extension far from take-up pulley direction, and the tension axle bed
Asphalt channel is opened between the bushing between the bushing and the tension axis, the lubrication hole and the asphalt channel
Connection, for providing lubricating grease between the bushing and the tension axis；
Second lubrication hole, set on the tension axle bed on the extension far from take-up pulley direction, and the tension axle bed
It opens asphalt channel between the bushing to pad between the take-up pulley to described, the lubrication hole and the asphalt channel
Connection, for providing lubricating grease between the spacer assembly and the tension axis.
In a kind of exemplary embodiment of the disclosure, the tension wheel apparatus further include:
Two sheaths, two sheaths be symmetrically sheathed on it is described tense axis first end and second end, and the sheath with
The relative position of the first end for tensing axis and second end can retreat adjusting, and the sheath is rotated relative to the bushing, institute
State the one end of bushing described in sheath backstop far from the take-up pulley.
In a kind of exemplary embodiment of the disclosure, the tension wheel apparatus further include:
Locking key, the side set on the sheath far from the take-up pulley, for fixing the sheath；
Attachment is connected, is set on the locking key, for fixing the locking key.
In a kind of exemplary embodiment of the disclosure, the tension wheel apparatus further include:
Steel bushing is set between the take-up pulley and the tension axis, and the steel bushing is that interference is connect with the take-up pulley, institute
Steel bushing is stated to be fixedly connected with the tension axis.
According to one aspect of the disclosure, a kind of crawler attachment is provided, including the take-up pulley as described in above-mentioned any one
Device.
As shown from the above technical solution, the advantages of tension wheel apparatus of the invention and have the active effect that the disclosure provide
A kind of tension wheel apparatus, comprising: the take-up pulley being set between two extension of track frame；With the co-axially fixed tension of take-up pulley
Axis, and the two sides for tensing axis are rotatably fixed to be arranged on the tension axle bed of extension；And it is sheathed on and tenses axis two sides
Two bushings, and two bushings with tense axle bed be fixedly connected, with tense axis two sides relatively rotate.
On the one hand, bushing selection is located at the two sides for tensing axis, and bushing and the contact area for tensing axis may be selected to increase to one
Times or more；For example, in the case where overall stress is constant, the compression of rubbing surface unit can be reduced, with this liner wear rate
Reduce and the service life can greatly improve, can extend bushing maintenance replacement period.
On the other hand, bushing is arranged in the two sides for tensing axis, can be convenient and efficiently checked and replaced, prevents from drawing
Mandrel bears abrasion, and then reduces maintenance time.
In another aspect, when entirely tension wheel apparatus needs replacing, it is only necessary to dismantle track frame support, tensing wheel apparatus can
To be removed from track frame front, the entire crawler attachment of quick-replaceable.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.It should be evident that the accompanying drawings in the following description is only the disclosure
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 shows the tension wheel apparatus diagrammatic cross-section of the prior art.
Fig. 2 shows the tension wheel apparatus right side vieies of the prior art.
Fig. 3 shows a kind of tension wheel apparatus diagrammatic cross-section in disclosure exemplary embodiment.
Fig. 4 shows a kind of tension wheel apparatus right side view in disclosure exemplary embodiment.
Fig. 5 shows a kind of take-up pulley diagrammatic cross-section for tensing wheel apparatus in disclosure exemplary embodiment.
Fig. 6 shows a kind of tension axis side schematic view for tensing wheel apparatus in disclosure exemplary embodiment.
Fig. 7 shows a kind of bushing diagrammatic cross-section for tensing wheel apparatus in disclosure exemplary embodiment.
Fig. 8 shows a kind of tension axle bed diagrammatic cross-section for tensing wheel apparatus in disclosure exemplary embodiment.
Fig. 9 shows a kind of tension axle bed right side view for tensing wheel apparatus in disclosure exemplary embodiment.
Figure 10 show in disclosure exemplary embodiment it is a kind of tense wheel apparatus be set to tense axle bed on two lubrication holes cut open
Face schematic diagram.
Figure 11 shows a kind of spacer assembly diagrammatic cross-section for tensing wheel apparatus in disclosure exemplary embodiment.
Figure 12, which is shown, a kind of in disclosure exemplary embodiment tenses the sheath of wheel apparatus, locking key and connection attachment section
Schematic diagram.
Figure 13 shows a kind of steel bushing diagrammatic cross-section for tensing wheel apparatus in disclosure exemplary embodiment.
The reference numerals are as follows: 901, take-up pulley；902, copper sheathing；903, it pads；904, oil sealing；905, axle bed is tensed；
906, axis is tensed；907, connecting accessory；908, track frame；909, lubrication channel；
1, take-up pulley；101, axle hole is tensed；2, axis is tensed；3, bushing；4, axle bed is tensed；5, spacer assembly；501, it serves as a contrast
Pad；502, sealing ring；503, bolt assembly；6, sheath；601, locking key；602, attachment is connected；7, steel bushing；8, track frame；
801, the first extension；802, the second extension；803, track frame support；804, attachment bolt attachment；805, gasket is adjusted；
806, connecting accessory.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, thesing embodiments are provided so that the disclosure will more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Described feature, knot
Structure or characteristic can be incorporated in any suitable manner in one or more embodiments.In the following description, it provides perhaps
More details fully understand embodiment of the present disclosure to provide.It will be appreciated, however, by one skilled in the art that can
It is omitted with technical solution of the disclosure one or more in the specific detail, or others side can be used
Method, constituent element, device, step etc..In other cases, be not shown in detail or describe known solution to avoid a presumptuous guest usurps the role of the host and
So that all aspects of this disclosure thicken.
A kind of embodiment that the large-sized mining dredger take-up pulley and crawler attachment of the prior art provide is as shown in Figure 1, 2,
The take-up pulley of general crawler attachment includes take-up pulley 901, copper sheathing 902, liner 903, oil sealing 904, tenses axle bed 905, tenses axis
906, connecting accessory 907, track frame 908 and lubrication channel 909.Tensing axis 906 may be selected by tensing axle bed 905 and coupling attached
Part 907 is securely fitted in the two sides of track frame 908.In figure in specific example, 906 fixing assembling of axis is tensed, and take-up pulley 901 can
It is rotated relative to axis 906 is tensed, copper sheathing 902 and 901 interference fit joint of take-up pulley, in use, copper sheathing 902 and tension 906 appearance of axis
Face sliding friction, 902 inward facing surface of copper sheathing has self-lubricating function, or has exterior lubricant in working face, can be with this
It tenses 906 axis hole inner surface of axis and forms sliding bearing structure.But it after the abrasion to a certain extent of copper sheathing 902, needs to carry out
Replacement.
With current understanding and understanding, the embodiment of the prior art is limited due to being architectural limitation with control principle, is recognized
It is at least the presence of following apparent defect:
The prior art is limited due to being architectural limitation with control principle, general in prior embodiment only to tense axis
906 axis hole inner surfaces form sliding bearing structure, this will cause copper sheathing 902 and tension 906 contact area of axis is smaller, to make
The abrasion of copper sheathing 902 is than comparatively fast, it is shorter to eventually lead to sliding bearing structure service life.
The prior art is limited due to being architectural limitation with control principle, is only capable of selection and is directly being tensed 906 two sides shaft end of axis
Copper sheathing 902 is lubricated, as shown in figure 1 shown in lubrication channel 909, since path is longer, it is big to tense pressure between axis 906 and copper sheathing 902
When copper sheathing 902 lubricate insufficient, even resulting in liner 903 can not lubricate, so cause copper sheathing 902, pad 903 service life
Shorten.
When padding 903 serious wear, take-up pulley 901 is easy to shake left and right, influences entire caterpillar chain and tenses wheel apparatus
Between mutual stress, be easy to cause the acceleration of caterpillar chain unstability and abrasion；
The embodiment copper sheathing 902 of the prior art is in the detent position between 908 two extensions of track frame, due to by
The limitation of this structure, can not also directly be effectively detected 902 abrasion loss of copper sheathing at present, endless for 902 wear course data of copper sheathing
It is whole, cause the 902 abrasion standard of copper sheathing formulated indefinite, therefore be unable to control the replacement cycle.Easily cause 902 serious wear of copper sheathing
It replaces not in time afterwards, may cause and tense axis 906 and the direct contact wear of take-up pulley 901, cause to tense axis 906 and wear to scrap.
The prior art is limited due to being architectural limitation with control principle, when replacing copper sheathing 902, needs the tension axis two sides
Seat 905 removes, and then tension axis 906 is removed, and could finally replace copper sheathing 902, replaces ratio of more complicated and period
It is longer；
The prior art is limited due to being architectural limitation with control principle, when replacement entirety tenses wheel apparatus, is needed first drawing
Mandrel seat 905 is removed, and take-up pulley 901 is sling, tension axis 906 is removed, finally tension axis 906 is sling, then is replaced, whole
A replacement process needs two lifting appliances, causes replacement cost excessively high, and the repair and replacement period is long.
Fig. 3 shows a kind of tension wheel apparatus diagrammatic cross-section in disclosure exemplary embodiment；Fig. 4 shows disclosure example
A kind of tension wheel apparatus right side view in property embodiment.
A kind of tension wheel apparatus is provided firstly in this example embodiment, referring to shown in Fig. 3, Fig. 4, the tension wheel apparatus
It is installed on a track frame 8 (Fig. 4), track frame 8 generally has the first extension 801 and the second extension 802, the first extension
801 and second extension 802 be respectively arranged with and tense axle bed 4, tense wheel apparatus and mainly include take-up pulley 1, tense axis 2 and bushing
3。
Fig. 5 shows a kind of 1 diagrammatic cross-section of take-up pulley for tensing wheel apparatus in disclosure exemplary embodiment；Fig. 6 is shown
A kind of 2 side schematic view of tension axis tensing wheel apparatus in disclosure exemplary embodiment；Fig. 7 shows the exemplary implementation of the disclosure
A kind of 3 diagrammatic cross-section of bushing tensing wheel apparatus in example.
Take-up pulley 1 (Fig. 5) is set between the first extension 801 and the second extension 802, and take-up pulley 1 may also include position
In center of circle position tension axle hole 101 compatible with take-up pulley 1.The tool of take-up pulley 1 is not limited in the present embodiment herein
Body form, those skilled in the art understand that there are many may be selected for the implementation of take-up pulley 1.It is various to be able to achieve take-up pulley 1
Function is belonged in the scope of the present invention in the form of the take-up pulley of sliding bearing connecting band track frame 9.
It is coaxial fixed with take-up pulley 1 to tense axis 2 (Fig. 6) selection, the two sides for tensing axis 2 are rotatably fixed to first respectively
Extension 801 and the second extension 802.The concrete form for tensing axis 2, art technology are not limited in the present embodiment herein
Personnel understand that there are many may be selected for the implementation of tension axis 2.It is various to be able to achieve tension s function, connected with sliding bearing
The tension axis form for connecing take-up pulley 1 Yu track frame 9, belongs in the scope of the present invention.
Two bushings 3 (Fig. 7) can be sheathed on the two sides for tensing axis 2, and two bushings 3, which are located at, tenses axis 2 and tension axle bed 4
Between, and be fixedly connected with axle bed 4 is tensed.The concrete form of bushing 3, art technology are not limited in the present embodiment herein
Personnel understand that there are many may be selected for the implementation of bushing 3.It is various to be able to achieve 3 function of bushing, it is connected and is drawn with sliding bearing
3 form of bushing of bearing up pulley 1 and track frame 9, belongs in the scope of the present invention.
According to current cognition and analysis, skilled artisan will understand that, according to the take-up pulley in this example embodiment
Device is it is now recognized that have the following technical effect that
On the one hand, the selection of bushing 3 is located at the two sides for tensing axis 2, and bushing 3 and the contact area for tensing axis 2 may be selected to increase
To one times or more；For example, in the case where overall stress is constant, the compression of rubbing surface unit can be reduced to less than half,
With the reduction of this 3 wear rate of bushing, the service life can be greatly improved, and can extend the period of the maintenance replacement of bushing 3.
On the other hand, the selection of bushing 3 is located at the two sides for tensing axis 2, it is no longer necessary to the tension axle bed 4 and tension axis of two sides
2 remove and can just check and more resleeve 3, and the abrasion of bushing 3 only can need to be conveniently checked from the two sides for tensing axis 2
Situation and more resleeve 3 prevent from tensing the receiving abrasion of axis 2, and then reduce maintenance time.
In another aspect, when entirely tension wheel apparatus needs replacing, it is only necessary to dismantle track frame support 803, take-up pulley dress
Setting can remove from track frame front, can be with the entire crawler attachment of quick-replaceable.
In the following, by the tension wheel apparatus in this example embodiment is further detailed.
Fig. 8 shows a kind of tension axle bed diagrammatic cross-section for tensing wheel apparatus in disclosure exemplary embodiment；Fig. 9 is shown
A kind of tension axle bed right side view tensing wheel apparatus in disclosure exemplary embodiment.
In a kind of exemplary embodiment of the disclosure, divide on 8 first extension 801 of track frame and the second extension 802
Not She You prismatic through-hole, tense axle bed 4 can be fixedly mounted in prismatic through-hole, tense axle bed 4 be cylindrical in shape (Fig. 8), Ke Yizhu
It to include axle bed main body 41, postive stop baffle 42 and extension canister portion 43.Axle bed main body 41 is cylindrical in shape, and outer cylinder face is logical with prismatic
The compatible prism-shaped in hole, inner cylinder face are adapted with the lateral surface of bushing 3；Postive stop baffle 42 can be set to 41 outside of axle bed main body,
Radially extending and being fixedly connected with track frame 8 along axle bed main body, can backstop track frame on the outside, extend canister portion 43, coaxially
Set on axle bed main body 41 close to the side of take-up pulley 1, the outer cylinder face for extending canister portion 43 is set smaller than the outer cylinder of axle bed main body 41
The prism-shaped in face.
Further, it will be appreciated by persons skilled in the art that as shown in figure 9, prismatic through-hole can be square, grow
Rectangular or other shapes compatible with axle bed 4 is tensed, it is therefore an objective to assembly is fixed with non-circular hole structure, to sliding axle
The component parts held is positioned.Tensing axle bed 4 can be tubular, and inner cylinder face is cylindrical shape compatible with bushing 3, outside
According to the different setting different shapes for the component being adapted to, central axis seat main body 41 and above-mentioned track frame extension prismatic are logical in cylinder face
Hole cooperation is additionally provided with for the postive stop baffle 42 with cooperation on the outside of two extension of track frame, postive stop baffle in addition to axle bed main body 41
42 shape can be the rectangle slightly larger compared with 41 area of axle bed main body, in addition to this further include and inwardly prolong on the inside of two extensions
The extension canister portion 43 for extending to and tensing 2 clearance fit of axis.
Figure 13 shows a kind of 7 diagrammatic cross-section of steel bushing for tensing wheel apparatus in disclosure exemplary embodiment.In the disclosure
A kind of exemplary embodiment in, take-up pulley 1 and tense axis 2 between can also have a steel bushing 7 (Figure 13), it is contemplated that production work
Skill and process, the connection type between take-up pulley 1 and steel bushing 7 can choose interference connection, steel bushing 7 and tense can be between axis 2
It is connected, can also be attached by square shaft, square key, expansion sleeve etc. in other example embodiments, take-up pulley 1 by spline
Steel bushing 7 is driven when rotation simultaneously and tenses axis 2 and is rotated.
In addition, in a kind of exemplary embodiment of the disclosure, referring to shown in Fig. 6, it is contemplated that manufacture craft, process and
Connection type, can tensing axis 2, to be designed as intermediate thick both sides slightly thin.Specifically, tensing axis 2 according to diameter of axle size and position
Quinquepartite can be divided by setting difference, comprising: fixed section 201, fixed section 201 are to tense the connection that axis 2 and take-up pulley 1 are fixed
Section；First side 202 and second side 203, the first side 202 and second side 204 for tensing axis 2 are the two sides extended to two extensions,
The received two sides of axle bed 4 are tensed by two, and the first side 202 and 204 diameter of second side are respectively less than fixed section diameter；First end
204 with second end 205, it is to tense the first side 202 and the outer end of second side 204 of axis 2 that above-mentioned both ends, which respectively correspond, and diameter
Less than respective side diameter.It is understood that the bushing 3 of two sides can be positioned with this.And it can increase or maintain to tense axis steel
The larger rubbing surface between two sides and spacer assembly 5 is covered, the sliding friction surface rapid wear in 1 liang of outside of take-up pulley is avoided.
In a kind of exemplary embodiment of the disclosure, tensing wheel apparatus can also include two bushings 3 (Fig. 7), two bushings 3
Be sheathed on respectively tense axis 2 the first side and second side, and one end of two bushings 3 respectively tense 2 fixed section of axis two sides between
Gap cooperation, the other end of two bushings 3 extend respectively to tense the junction and second of the first side 202 and first end 204 of axis 2
The junction of side 203 and second end 205.
Specifically, tensing can be fixed between axle bed 4 and bushing 3 by positioning finger setting, and referring to Fig.1 shown in 0, installation
It is tensed in 4 prismatic hole of axle bed in the two sides of track frame 9, when take-up pulley 1 rotates together with tension axis 2, tenses axle bed 4 and bushing
3 guarantee static, when 3 over wear and tear of bushing, can directly replace and tense axle bed 4 and bushing 3.The tension wheel apparatus that the disclosure provides
Included bushing 3, compared with prior art, bushing 3 are located at the two sides for tensing axis 2, in the identical situation of overall stress, lining
Set 3 may be selected to increase to one times or more with the contact area for tensing axis 2；For example, it in the case where overall stress is constant, rubs
Unit compression in wiping face can reduce, and with the reduction of this 3 wear rate of bushing, the service life can be greatly improved, and can extend the maintenance of bushing 3
The period of replacement.
In addition, combining the first lubrication hole 401 for being located at and tensing on axle bed 4, may be selected to open up profit in the corresponding position of bushing 3
Slide opening can shorten lubricating grease and reach bushing 3 and tense the path of contact surface between axis 2, achieve the purpose that sufficient lubrication bushing 3,
The wear rate of bushing 3 may further be reduced.
Figure 11 shows a kind of 5 diagrammatic cross-section of spacer assembly for tensing wheel apparatus in disclosure exemplary embodiment.
In a kind of exemplary embodiment of the disclosure, tensing wheel apparatus can also include: two spacer assemblies 5 (Figure 11) point
It is not sheathed on the two sides of take-up pulley 1, is located between take-up pulley 1 and the first extension 801 and the second extension 802, pads
Component 5 is fixedly connected with the first extension 801 and the second extension 802 respectively.Spacer assembly 5 can also include: liner 501,
For ring-type, two liners 501 are sheathed on the extension canister portion 43 for tensing axle bed 4 respectively, and pad 501 inner ring surface and tension axle bed 4
Extension canister portion 43 be adapted, pad 501 outer ring surface as circle；Sealing ring 502, sealing ring 502 are sheathed on the outer of liner 501
Layer, and covered the gap between liner 501 and take-up pulley 1；Bolt assembly 503, bolt assembly 503 are set on sealing ring 502, are used
In fixed seal ring 502 and liner 501.Spacer assembly 5 is used between take-up pulley 1 and track frame 8, protects the not tension of track frame 8
The abrasion of bearing up pulley 1 can also prevent oil and dust from entering using sealing.
Figure 10 show in disclosure exemplary embodiment it is a kind of tense wheel apparatus be set to tense axle bed 4 on two lubrication holes cut open
Face schematic diagram.
It is tensed inside wheel apparatus and in more closed environment, often further, since bushing 3 and spacer assembly 5 are in
Rule lubricating system cannot adequately lubricate above-mentioned two position, therefore two independent lubricating holes can also be arranged on tensing axle bed 4
(Figure 10), that is, the first lubrication hole 401 and the second lubrication hole 402 are set to the postive stop baffle 42 for tensing axle bed 4 close to outside
On the position on edge.First lubrication hole 401 among these, for provide lubricating grease to bushing 3 and tense axis 2 between, i.e., with tense axis
Duct is opened on adjacent bushing 3 at 4 first lubrication holes of seat, and lubricating grease is excessive in order to prevent, the caliber size in inside and outside two hole
Difference can be outer narrow inner width.Second lubrication hole 402 for provide lubricating grease to spacer assembly 5 and tense axis 2 between, i.e., with
Shortest path can be chosen and open oil by tensing adjacent tension axle bed 4 and 3 joint surface of bushing at the second lubrication hole 402 of axle bed 4
Paths are between spacer assembly 5 and take-up pulley 1.The setting of two lubrication holes, which ensure that, not to be needed to adjust other any parts
In the case of, the relative rotation face between lubricating grease i.e. Castor Oil axis, wheel, bushing and liner need to be only added, lubrication effect is improved
Rate further mitigates frictional dissipation, extends service life.Certainly, the quantity of lubrication hole can increase according to actual needs,
Physical location can also be adjusted according to design and use.
Figure 12, which is shown, a kind of in disclosure exemplary embodiment tenses the sheath 6 of wheel apparatus, locking key 601 and connection attachment
602 diagrammatic cross-sections.
In a kind of exemplary embodiment of the disclosure, tensing wheel apparatus can also include: two sheaths 6 (Figure 12), and two
Sheath 6 is symmetrically sheathed on the first end 204 and second end 205 for tensing axis 2, and sheath 6 and the first end 204 and for tensing axis 2
The relative position at two ends 205 can retreat adjusting, and sheath 6 is rotated relative to bushing 3, and 6 stop sleeve 3 of sheath is far from take-up pulley 1
One end.Locking key 601, the side set on sheath 6 far from take-up pulley 1 are used for fixed sheath 6；Attachment 602 is connected, locking is set to
On key 601, for fixing locking key 601.
Specifically, being needed between bushing 3 and tension axis 2 due to that can be relatively rotated between bushing 3 and tension axis 2
Guarantee the stabilization of relative position by a kind of mode, so providing a kind of sheath 6, locking key in this exemplary embodiment
601 and connection attachment 602, sheath 6 can be threaded tense axis 2 two sides, eventually by locking key 601 and connection
Attachment 602 is fixed.There are two the effects of sheath 6: one is the lubrication and abrasion that bushing 3 can be checked by removing sheath 6
Situation；Second is that can carry out any amount when bushing 3 wears by adjusting the sheath 6 for tensing 2 two sides of axis, sheath 6
Feed and step back, thus guarantee 1 component of take-up pulley to neutrality, avoid the acceleration of caterpillar chain unstability and abrasion.Art technology
Personnel are it is understood that sheath 6 under the premise of being able to achieve its function, can be connected in a manner of other with tension axis 2
It connects, the disclosure does not do particular determination herein.
In a kind of exemplary embodiment of the disclosure, referring to shown in Fig. 4, tensing wheel apparatus can also include: adjusting pad
Piece 805 and connecting accessory 806, adjustment gasket 805 are mainly used for the adjustment of caterpillar chain tensioning, and connecting accessory 806 is mainly used for adjusting
The fixation of whole gasket 805.
In a kind of exemplary embodiment of the disclosure, referring to shown in Fig. 4, tensing wheel apparatus can also include: track frame
8, track frame support 803 and attachment bolt attachment 804, above-mentioned three form open Side frame, when entire take-up pulley fills
It sets when needing replacing, it is only necessary to dismantle track frame support 803, tensing wheel apparatus can remove from track frame front, quick-replaceable
Entire crawler attachment.Therefore novel tension wheel apparatus is compared with original tenses wheel apparatus, and service life greatly improves, and the replacement cycle is big
It is big to shorten.
According to the second aspect of the disclosure, a kind of crawler attachment is provided, which has included at least above-mentioned drawing
Roller unit.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by appended
Claim is pointed out.
Claims (5)
1. a kind of tension wheel apparatus, it being installed on track frame, the track frame has the first extension and the second extension, and described the
One extension and the second extension are respectively arranged with tension axle bed, which is characterized in that the tension wheel apparatus includes:
One take-up pulley, the take-up pulley are set between first extension and the second extension；
One tenses axis, and the tension axis is coaxially fixed with the take-up pulley, and the two sides for tensing axis are rotatably fixed respectively
In first extension and second extension；And
Two bushings, two bushings are sheathed on the two sides for tensing axis, and two bushings are located at the tension axis
It is fixedly connected between the tension axle bed, and with the tension axle bed；
Two spacer assemblies, spacer assembly described in two groups are sheathed on the two sides of the take-up pulley respectively, are located at the take-up pulley
Between first extension and the second extension, the spacer assembly respectively with first extension and the second extension
It is fixedly connected；
First lubrication hole, set on the tension axle bed on the extension far from take-up pulley direction, and the tension axle bed and institute
It states and opens asphalt channel between bushing between the bushing and the tension axis, the lubrication hole and the asphalt channel join
It is logical, for providing lubricating grease between the bushing and the tension axis；
Second lubrication hole, set on the tension axle bed on the extension far from take-up pulley direction, and the tension axle bed and institute
It states and opens asphalt channel between bushing between the liner and the take-up pulley, the lubrication hole and the asphalt channel join
It is logical, for providing lubricating grease between the spacer assembly and the tension axis；
The spacer assembly includes:
Liner, for ring-type, two liners are sheathed on the extension canister portion for tensing axle bed, and the inner ring surface of the liner respectively
It is adapted with the extension canister portion for tensing axle bed, the outer ring surface of the liner is circle；
Sealing ring, the sealing ring are sheathed on the outer layer of the liner, and cover the seam between the liner and the take-up pulley
Gap；
Bolt assembly, the bolt assembly is set on the sealing ring, for fixing the sealing ring and the liner；
The tension axis includes:
Fixed section, the fixed section are the linkage section that the tension axis and the take-up pulley are fixed；
First side, first side for tensing axis is the side extended to first extension, and first side diameter is small
In the fixed section diameter；
Second side, described second side for tensing axis is the side extended to second extension, and second side diameter is small
In the fixed section diameter；
First end, the first end is the outer end of first side for tensing axis, and the first end diameter is less than described the
Side diameter；
Second end, the second end is the outer end of described second side for tensing axis, and the second end diameter is less than described the
Two side diameters；
The tension wheel apparatus further include:
Two sheaths, two sheaths be symmetrically sheathed on it is described tense axis first end and second end, and the sheath with it is described
The relative position of the first end and second end that tense axis can retreat adjusting, and the sheath is rotated relative to the bushing, the shield
Cover the one end of bushing far from the take-up pulley described in backstop；
Locking key, the side set on sheath far from take-up pulley are used for fixed sheath；
Attachment is connected, is set on the locking key, for the locking key to be fixed on the tension axis.
2. tension wheel apparatus according to claim 1, which is characterized in that divide on first extension and the second extension
Not She You prismatic through-hole, the tension axle bed is mounted in the prismatic through-hole, and the tension axle bed includes:
Axle bed main body, is set as tubular, and outer cylinder face is set as prism-shaped compatible with the prismatic through-hole, the axle bed master
The inner cylinder face of body is adapted with the lateral surface of the bushing；
Postive stop baffle is set to outside the axle bed main body, along the axle bed main body radially extend and with the track frame is fixed connects
It connects；
Extend canister portion, with the axle bed main body is located in close to the side of the take-up pulley, the outer cylinder face for extending canister portion is set
It is set to the prism-shaped in the outer cylinder face less than the axle bed main body.
3. tension wheel apparatus according to claim 1, which is characterized in that two bushings are sheathed on the tension axis respectively
The first side and second side, and one end of two bushings respectively with it is described tense axis first segment two sides clearance fit, two institutes
The other end for stating bushing extends respectively to junction and second side and the second end of tension first side of axis and first end
Junction.
4. tension wheel apparatus according to any one of claims 1 to 3, which is characterized in that the tension wheel apparatus further include:
Steel bushing is set between the take-up pulley and the tension axis, and the steel bushing is that interference is connect with the take-up pulley, the steel
Set is fixedly connected with the tension axis.
5. a kind of crawler attachment, which is characterized in that including tension wheel apparatus according to any one of claims 1-4, track frame,
Track frame support and attachment bolt attachment；Wherein, track frame, track frame support and attachment bolt attachment form open track frame
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118031.0A CN106828639B (en) | 2017-03-01 | 2017-03-01 | Crawler attachment and tension wheel apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118031.0A CN106828639B (en) | 2017-03-01 | 2017-03-01 | Crawler attachment and tension wheel apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106828639A CN106828639A (en) | 2017-06-13 |
| CN106828639B true CN106828639B (en) | 2019-11-15 |
Family
ID=59138434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710118031.0A Active CN106828639B (en) | 2017-03-01 | 2017-03-01 | Crawler attachment and tension wheel apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106828639B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU221874U1 (en) * | 2023-10-13 | 2023-11-28 | Общество с ограниченной ответственностью "Литейно-Механический Завод "БЕРКУТ" | TENSION WHEEL OF TRACKED VEHICLE |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738700A (en) * | 2017-11-14 | 2018-02-27 | 北京大圣格尔冶金设备有限公司 | A kind of crawler belt Chain tensioner |
| US11518455B2 (en) | 2019-08-13 | 2022-12-06 | Caterpillar Inc. | Stacked bushings for rolling components |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767612A (en) * | 2010-01-29 | 2010-07-07 | 太原重工股份有限公司 | Large mineral track tensioning device of hydraulic excavator |
| KR20120049378A (en) * | 2010-04-07 | 2012-05-16 | 가부시키가이샤 고마쓰 세이사쿠쇼 | Track roller device |
| CN103481959A (en) * | 2013-09-29 | 2014-01-01 | 昆山凯诺尔金属制品有限公司 | Guide wheel device |
| CN204587069U (en) * | 2015-04-29 | 2015-08-26 | 北京大圣格尔冶金设备有限公司 | A kind of take-up pulley connection structure of open cast mine large excavator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2793352C (en) * | 2011-10-25 | 2019-11-12 | Harnischfeger Technologies, Inc. | Idler wheel assembly |
-
2017
- 2017-03-01 CN CN201710118031.0A patent/CN106828639B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767612A (en) * | 2010-01-29 | 2010-07-07 | 太原重工股份有限公司 | Large mineral track tensioning device of hydraulic excavator |
| KR20120049378A (en) * | 2010-04-07 | 2012-05-16 | 가부시키가이샤 고마쓰 세이사쿠쇼 | Track roller device |
| CN103481959A (en) * | 2013-09-29 | 2014-01-01 | 昆山凯诺尔金属制品有限公司 | Guide wheel device |
| CN204587069U (en) * | 2015-04-29 | 2015-08-26 | 北京大圣格尔冶金设备有限公司 | A kind of take-up pulley connection structure of open cast mine large excavator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU221874U1 (en) * | 2023-10-13 | 2023-11-28 | Общество с ограниченной ответственностью "Литейно-Механический Завод "БЕРКУТ" | TENSION WHEEL OF TRACKED VEHICLE |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106828639A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106828639B (en) | Crawler attachment and tension wheel apparatus | |
| CN104053592A (en) | Self-lubricating spherical plain bearing for vehicle suspension system | |
| US9745005B2 (en) | Roller assembly for a track-type machine | |
| CN108819700A (en) | Wheel driver | |
| CN105473430A (en) | Track joint assemblies | |
| CN206448935U (en) | Concrete piston and pumping system and concrete pump | |
| CN105473434A (en) | Track joint assemblies | |
| US9656707B2 (en) | High speed metal face seal | |
| CN105492305A (en) | Track joint assemblies | |
| CN102893042B (en) | Self-lubricating hinge bush mounted on shaft | |
| CN101435465B (en) | High lubricating property vibrating screen bearing | |
| CN105782247A (en) | Self-lubricating flange bearing device | |
| CN105473432A (en) | Track joint assemblies and thrust rings for same | |
| CN201368123Y (en) | Bearing with high lubricating performance for vibration sieve | |
| CN205823961U (en) | A kind of roll-slide combined bearing with lubricating oil injection orifice | |
| CN209063965U (en) | Small-sized mine self-discharging vehicle carriage articulated structure | |
| JP2023505793A (en) | A track joint assembly for a ground engaging track with a track pin having an enlarged central section | |
| CN103291770B (en) | A kind of Hooke's joint without needle roller | |
| CN101334065B (en) | Radial inflow oscillating bearing | |
| JPH09151482A (en) | Bearing device | |
| CN106246718A (en) | A kind of needle roller lining and auxiliary assembling structure thereof | |
| CN202674020U (en) | Oil lubricating bushing block | |
| CN207111682U (en) | A kind of planet wheel spindle | |
| JP4079307B2 (en) | Bearing device | |
| KR20010015293A (en) | Chain for forming tracks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |