CN1125742C - Connecting rod type rubber caterpillar - Google Patents
Connecting rod type rubber caterpillar Download PDFInfo
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- CN1125742C CN1125742C CN01125048A CN01125048A CN1125742C CN 1125742 C CN1125742 C CN 1125742C CN 01125048 A CN01125048 A CN 01125048A CN 01125048 A CN01125048 A CN 01125048A CN 1125742 C CN1125742 C CN 1125742C
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- axle
- rubber belt
- connecting rod
- belt track
- crawler belt
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Abstract
The present invention relates to a connecting-rod type rubber crawler. A mandrel rod comprising a left wing, a right wing and a central part is, perpendicularly and at an approximately same space, embedded into the rubber crawler along the length direction with respect to the circumferencial direction of a rubber crawler main body. A protuberance is provided on the rubber crawler at the side on which the rubber crawler is brought into contact with the earth. The two sides of the upper central part of the mandrel rod is provided with crawler couplers and the front and the rear crawler couplers are connected with each other to a bend over state, thus to form a track by a pair of continuous crawler couplers. The invention is characterized in that a rubber crawler main body is made to continue to itself along its circumferential direction and on the outsides of stone guards projecting from the vehicle frame, curving portion is formed between adjacent mandrel rod wings toward their inner peripheries, and the width L1 of mandrel rod wings embedded into the connecting-rod type rubber crawler main body is shorter than the width L2 of the two outside parts of the installation position of the crawler couplers formed on the central part of the mandrel rod(L1<L2). The present invention is capable of increasing the durability of the rubber crawler and making it travel favoringly.
Description
This case is that application number is 96102596.4, the applying date be January 31 in 1996 day, be called the dividing an application of application for a patent for invention of " connecting rod-type rubber belt track and axle thereof ".
Technical field
The present invention relates to be installed in the connection rod-type rubber belt track on the bottoms such as walking vehicle for construction, civil engineering machinery.
Background technology
In the past, in walking building mechanism, used the steel crawler belt bar none, yet, more and more in recent years rubber belt tracks that use.Owing in the steel crawler belt, become continuous runner track above the crawler belt connecting rod, vibration is little when making walking, circumferencial direction and Width do not stretch, and lateral excursion does not take place yet, thereby less generation crawler belt comes off, in addition, also have because of each crawler belt connecting rod room machine Joint strenght height, thus advantage such as durability is good, yet, it but exists noise big on the other hand, resiliency is poor, easily makes the operator produce fatigue, and easily makes shortcomings such as road surface damaged.
In contrast, rubber belt track has that noise is low, resiliency good, do not damage the road surface and light, can make advantages such as the speed of travel is very fast, yet, its weak point is because of bad mechanical strength, so durability is not as good as the steel crawler belt, for unusual big external force, circumferencial direction elongation and Width easily take place reverse and cause crawler belt to come off and produce problem such as the vibration of walking because of the runner track is discontinuous.
On Japanese patent laid-open 4-71386 number (denomination of invention: connect the rod-type rubber belt track) communique of present inventor's previous application, once proposed to be used for traditional rubber belt track by some structure with the steel crawler belt, the advantage that is had with the steel crawler belt solves the connection rod-type rubber belt track of the above-mentioned shortcoming of traditional rubber belt track, aftermentioned Fig. 8 A～C represents an embodiment of this structure, A is birds-eye view (kiss the earth one side), and B and C are respectively along the B-B line of A and the section-drawing of C-C line.Among the figure, 15 is the rubber belt track body, and 15a is the alar part projection, 15b is a center projections, and 16 for axle 16a is an alar part, the curve of 15c for rubber body 15 bendings are formed, 15d is the hole of hollow, and 16b is for forming the central portion of concavity, and 16p is a bolt hole, 17 is the crawler belt connecting rod, 17a is a window, and 17p is a bolt hole, and f and f ' are respectively screw bolt and nut, 18 is enhancement layer, and 19 is connecting rod pin.
In this structure, with each bolt hole 17p, 17p of a pair of crawler belt connecting rod 17,17 respectively with imbed rubber belt track body 15 in bolt hole 16p, the 16p of central portion 16b of the axle 16 back bolt of aliging, and the two ends that connect crawler belt connecting rod 17 with connecting rod pin 19, formation is by the continuous runner track that forms with the paired crawler belt connecting rod 17 of interior all bonded assemblys of rubber belt track body 15, make when walking vibration little, crawler belt takes place hardly come off.
Summary of the invention
Now the problem that will solve the present invention's first scheme is described below.As above-mentioned shown in Figure 10, the Work machine that has contacts with axle alar part 16a because of the top of anti-stone baffle plate 20, thereby can't install, and perhaps promptly enables to install and often can not walk.
The present invention's first scheme is exactly at the problems referred to above, and specifically, purpose is to provide between the axle of rubber belt track to be had durability, can adapt to the connection rod-type rubber belt track of installing on various Work machines for fatigue accumulation.
Now to being described below with the cooresponding problem of alternative plan of the present invention.Promptly, because vehicle for construction, civil engineering machinery are uneven or have the situation of walking on the roughness pavement at random such as finger stone more, in connecting the rod-type rubber belt track as shown in Figure 8, in finger stone, earth, wood chip etc. enter from the hole 15d of hollow easily Monday side, thereby damage crawler belt connecting rod pin 19, or hinder key wheel and being connected of crawler belt connecting rod pin 19 etc.
Therefore, alternative plan purpose of the present invention just provides the connection rod-type rubber belt track that can effectively address the above problem.
The present invention's first scheme will be by a left side, the length direction of the axle that right wing part and central portion constitute with respect to the circumferencial direction of rubber belt track body vertically, and bury underground by roughly certain interval, side at this rubber belt track body kiss the earth is established lug boss, and the crawler belt connecting rod is installed in the upper central portion both sides at this axle, before inciting somebody to action, after the crawler belt connecting rod connect into can mutually crooked state, form track with a pair of continuous crawler belt connecting rod, it is characterized in that, make this rubber belt track body along the circumferential direction continuous in two outsides of the anti-stone baffle plate that stretches out from the car body frame, make the inside curved one-tenth curve of lateral bending Monday between the adjacent axle alar part simultaneously, and make the width (L that imbeds the intrinsic axle alar part of this connection rod-type rubber belt track
1) than the width (L of two outside lefts of the crawler belt connecting rod installation position that forms at the axle central portion
2) also lack (L
1＜L
2).
At this moment, the axle of burying underground also can make the relative left and right sides of its central portion alar part form recess except making tabular.
In this scheme, imbedding the axle that connects in the rod-type rubber belt track is made up of the central portion that the alar part that extends to the left and right caves in relative alar part, and on this central portion, form the mounting structures such as bolt hole that the crawler belt connecting rod is used are installed, make the length (L of this central portion simultaneously
3) than the interval (L of the anti-stone baffle plate that stretches out from the car body frame of running gear
4) wide (L
3＞L
4).
Now as follows to the Action Specification of above-mentioned first scheme:
That is, make the rubber belt track body along the circumferential direction continuous, and will make the curve of inside Monday of lateral bending song between adjacent axle alar part, in addition, make the length (L of the axle central portion more recessed than alar part in anti-stone baffle plate two outsides
3) than the interval (L between the anti-stone baffle plate that stretches out from body
4) also big (L
3＞L
4), can be installed in thus to have and prevent that crawler belt from coming off on the body of guide or anti-stone baffle plate.Because these anti-stone baffle plates generally are installed in the outermost of car body frame, so by using said structure, energy will connect around the foot that the rod-type rubber belt track is installed in various vehicle for constructions.
In addition, along the circumferential direction continuous by two outsides that make the rubber belt track body, and make the width (L at the central portion two ends of the axle of imbedding this rubber belt track body
2) than axle alar part length (L
1) also big (L
1＜L
2), the loading of this axle central portion edges at two ends is disperseed, prevent the rubber be full of cracks, can also be by increasing the length (L at axle central portion two ends
2) come the attenuate axle thickness to increase lug boss thickness, improve the durability of lug boss thus.
In addition, central portion being made the axle of the invaginated type lower than alar part can set the body center of gravity lower, walking stability is improved, simultaneously can guarantee that lug boss is enough high, in addition, between the axle of elongation, its enhancement layer has good bendability and does not produce fatigue accumulation, thereby durability is improved when reeling on sprocket wheel etc.
Alternative plan of the present invention is to establish lug boss in a side of rubber belt track body kiss the earth, Monday, a pair of crawler belt connecting rod was installed by side central authorities within it, forward and backward crawler belt connecting rod is connected into the state of bending mutually, form track with a pair of continuous crawler belt connecting rod, in this connection rod-type rubber belt track, bury axle underground, this axle is made of the alar part to left and right extension is invaginated type with relative this alar part central portion, central portion at this axle forms the mounting structures such as bolt hole that the crawler belt connecting rod is installed, and makes the width (L of the axle length direction of this central portion simultaneously
3) than the interval (L between a pair of anti-stone baffle plate that stretches out from the car body frame of running gear
4) also wide (L
3＞L
4).
In addition, at curve, between central portion, protrude formation crawler belt connecting rod protective film with the rubber belt track body inside all lateral bending songs between alar part between the adjacent axle.
Alternative plan is by forming crawler belt connecting rod protective film between the axle central portion; except preventing in walking that finger stone, earth, wood chip etc. from entering in the rubber belt track inner peripheral surface; minimizing is to the damage of crawler belt connecting rod or the obstruction to engaging between crawler belt connecting rod pin and key wheel; form big opening between the axle central portion in the time of can also avoiding on being wound on key wheel etc., help keeping good surface appearance.
In above-mentioned first, second scheme, the curve window space M of formation can be provided with the rubber film fin that this window space M longitudinally is divided into two in that the inside all lateral bendings of the rubber belt track body that adjacent axle alar part is mutual are bent.Like this, pass through window portion by making fin, can prevent that obstacle from entering the rubber belt track inner peripheral surface, this external enwergy prevents that under the situation of the bendability that does not influence curve the fatigue of rubber bodies is concentrated, suppresses be full of cracks and takes place.
Description of drawings
Fig. 1～7 are relevant embodiments of the invention, Fig. 1 is for connecting the main body figure of rod-type rubber belt track, Fig. 2 has installed the unitary side view that connects the running gear of rod-type rubber belt track, Fig. 3 is that Fig. 4 is the part enlarged drawing of Fig. 2 along the A-A line width directional profile figure among Fig. 2, and Fig. 5 is the instruction diagram of explanation bending part (curve) effect, Fig. 6 represents other example, be the section-drawing that is in the same position broad ways with Fig. 3, Fig. 7 represents other example, is the partial enlarged drawing that is in same position with Fig. 4
Fig. 8 is that A is that birds-eye view (ground plane one side) B and C are respectively along the B-B line of A and the section-drawing of C-C line as the previous invention of present inventor, a embodiment shown in Japanese patent laid-open 4-71386 number,
The figure of Fig. 9 for the reeling condition of connection rod-type rubber belt track on drive wheel and idle pulley described,
Figure 10 has represented to install the running gear of traditional connection rod-type rubber belt track, and A is a lateral plan, and B is the Z-Z line section-drawing along A,
Figure 11 represents to be willing to the part endless track shown in flat 6-94043 number as Japanese Patent is special, and A is a block diagram, and B is a connecting bridge section-drawing along the circumferential direction,
Figure 12～18 are relevant the present invention first, the embodiment of two schemes, Figure 12 represents to imbed the axle that connects in the rod-type rubber belt track, A is a birds-eye view, B is the A-A line section-drawing along A, C is the section-drawing along the B-B line of A, Figure 13 connecting rod for indication formula rubber belt track, A is kiss the earth one a side birds-eye view, B is interior Monday of a side birds-eye view, Figure 14 represents the section of Figure 13, A is the section-drawing along the C-C line, and B is the section-drawing along the D-D line, and C is the section-drawing along the E-E line, Figure 15 is for connecting the running condition figure of rod-type rubber belt track, Figure 16 represents that other connects the rod-type rubber belt track, and A is the block diagram of axle, and B is the connection rod-type rubber belt track running condition figure that buries this axle underground, Figure 17 is the running condition figure that imbeds the connection rod-type rubber belt track of other axle
Figure 18 represents the rubber belt track of other scheme, and A is a block diagram, and B is the lateral plan of expression coupled condition, band biopsy cavity marker devices,
Figure 19～25 are relevant third party's case embodiment of the present invention, Figure 19 is for connecting rod-type rubber belt track block diagram, Figure 20 is a connecting rod for indication formula rubber belt track connecting bridge section-drawing along the circumferential direction, Figure 21 is the connecting strap block diagram, Figure 22 is the lateral plan of other embodiment coupled condition of expression connecting strap, Figure 23 is that second embodiment connects rod-type rubber belt track connecting portion section-drawing along the circumferential direction, Figure 24 is the connection rod-type rubber belt track connecting portion section-drawing along the circumferential direction of the 3rd embodiment, and Figure 25 is the connection rod-type rubber belt track section-drawing along the circumferential direction of the 4th embodiment.
The specific embodiment
Below, with reference to accompanying drawing the embodiment of the invention is described.Fig. 1 connects rod-type rubber belt track block diagram for expression the present invention, and Fig. 2 installs this for expression and connects the overall lateral plan of rod-type rubber belt track running gear, the Width section-drawing of Fig. 3 for dissecing along the A-A line among Fig. 2, and Fig. 4 is the part enlarged drawing of Fig. 2.
Among the figure, 1 is the rubber belt track body, to have alar part 2a, the 2a of extension about the edge and the axle 2 of invaginated type central portion 2b, imbed in this rubber belt track body 1, be formed with the bolt hole 2p that crawler belt connecting rod 6 is installed with bolt 6p and nut 6n on the central portion 2b by separating predetermined distance.3a for and the cooresponding alar part projection of stretching out of this axle alar part 2a towards rubber belt track kiss the earth one side, 3b be and this axle central portion 2b corresponding central projection, corresponding with the bolt hole 2p of axle 2, on center projections 3b formation bolt hole 3p.
4 for making the rubber belt track body 1 between the axle of imbedding 2,2 wavy wrinkle portion, become the state that on the inner peripheral surface of rubber belt track body 1, does not protrude the position, in the present embodiment, near idle pulley 9, be set to the anti-stone baffle plate 11 that prevents that small stone or sand grains etc. from entering, owing to should prevent that the top of stone baffle plate 11 will brush up against the inner peripheral surface of rubber belt track body 1, so the inner peripheral surface of rubber belt track body 1 need be made the plane, not make to contact with anti-stone baffle plate 11.As shown in Figure 5, this wrinkle portion 4 has the length that can be located at connecting rod pin 7 roughly the same height and positions, therefore, can fully extend to drive wheel 8 or idle pulley 9 coilings the time, can prevent to cause because of cyclic extension the accumulation of rubber bodies fatigue.
5 for nylon braid fabric along relatively woven design oblique (oblique line) severing, along the enhancement layer that is embedded in axle alar part 2a below a week of rubber belt track body 1.By with enhancement layer 5 oblique imbedding, make enhancement layer 5 self extending, therefore,, the length of the rubber belt track body 1 of 2 of axles also can install even can not arriving the position of connecting rod pin 7.As enhancement layer 5, except natural, synthetic or carbon fibre, also can use the fiber flexible cord of these fabrics and metal fibre with high tension, it can be embedded in axle alar part 2a above or below or upper and lower two sides.
Fig. 6, Fig. 7 represent other embodiment of such scheme of the present invention, and Fig. 6 is the section-drawing that is in same position with Fig. 3, and Fig. 7 is the lateral plan that is in same position with Fig. 4.As shown in the figure, central portion 12b relative its left and right extension alar part 12a, 12a of axle 12 are formed flat condition and do not form invaginated type, when using this axle 12,, and can guarantee to arrive length till connecting rod pin 7 positions also making wrinkle portion 4 between the axle 12,12.
The connection rod-type rubber belt track of the invention described above is a pair of continuous crawler belt connecting rod of side Width central authorities formation Monday in rubber belt track, make accordion-like by the rubber belt track body between the axle that will imbed, coiling on drive wheel, idle pulley is carried out smoothly, and can on rubber bodies, not accumulate, the durability of rubber belt track is improved because of the fatigue that cyclic extension causes.In addition, connect rod-type rubber belt track a pair of continuous crawler belt connecting rod of side Width central authorities formation Monday in rubber belt track, by with enhancement layer oblique be pressed into the axle alar part above or below or two sides up and down, make enhancing body self extending, can avoid enhancement layer because of inappropriate elongation is cut off, the durability of rubber belt track is improved.
Referring now to accompanying drawing first and second scheme implementation example of the present invention is described.Figure 12 A～C represents to be embedded in the present invention to connect the interior axle of rod-type rubber belt track, A is the birds-eye view of axle, B is the A-A line section-drawing along A, C is the B-B line section-drawing along A, axle 201 forms the bolt hole 201p of the break-through that crawler belt crawler belt connecting rod 205,205 (with reference to Figure 15) usefulness is installed by constituting to alar part 201a, the 201a of left and right extension with the comparable central portion 201b that is recess of this alar part 201a on this central portion 201b.In the width range till end from the bolt hole 201p of this central portion 201b to alar part 201a, with the scope below 1/2 roughly as centre end 201c, its length L
2Length L greater than alar part 201a
1, and the inner peripheral surface of this centre end 201c made concave, become the shape that does not contact with anti-stone baffle plate described later.In addition, the R among the figure is a rib.
Figure 13, Figure 14 have represented to imbed the connection rod-type rubber belt track of above-mentioned axle 201, Figure 13 A, 13B be respectively kiss the earth a side and interior Monday side birds-eye view, Figure 14 A～C is respectively the section-drawing of C-C line along Figure 13 A, D-D line, E-E line.Above-mentioned axle 201 is imbedded in the rubber belt track body 202 according to certain intervals, and the inner peripheral surface of axle central portion 201b is exposed, while is in kiss the earth one side of this rubber belt track body 202, at axle length direction two ends protrusion alar part projection 203a, 203a are set, and protrude the center projections 203b that setting is equipped with bolt hole 202p in the central authorities of its Width.This alar part projection 203a be roughly with the shape of axle alar part 201a and centre end 201c covering, yet, add body weight easily with the cooresponding bossing 203c of centre end 201c, 201c, 203c, and the rubber belt track body 202 that is positioned at 201 of axles is at the discontinuous position of circumferencial direction, and do not imbed enhancement layer, so can form loading on protruding 203c, 203c concentrates, and then, owing to compare with protruding 203a, 203a corresponding to alar part, the thickness of projection is little, and the durability of protruding 203c, 203c is worsened.For this reason, strengthen except the length L 2 of the centre end 201c that makes axle 201 so that be applied to the loading at axle 201 edges disperse, preventing the rubber bodies be full of cracks, by with L
2Extend, and inner circumferential surface one side is made concave surface, close the thickness of thin axle 201,, the durability of protruding 203c is improved to increase the thickness of projection.In addition, the angle θ of easily stressed protruding 203a, 203c is designed to roughly tilt 30 °～60 ° when rotating by walking, and constitutes rake 203t, and the durability of projection is further improved.
In addition; the Width both ends that make rubber belt track body 202 along circumferencial direction continuously and make the axle of imbedding 201,201 ... alar part 201a, 201a ... between inwardly Monday, lateral bending was bent and form curve 202a, the axle of imbedding simultaneously 201,201 ... central portion 201b, 201b between form crawler belt connecting rod protective film 204a discontinuously.Owing to can form crawler belt connecting rod protective film 204a at the position that becomes emptying aperture in the past; the obstacles such as can preventing earth in walking of dying enters inner peripheral surface; thereby prevent that the crawler belt connecting rod from being damaged; simultaneously; owing to make inside inclination Monday of this crawler belt connecting rod protective film 204a oblique, along coilings such as key wheels the time, crawler belt connecting rod protective film 204a becomes the shape consistent with the crawler belt connecting rod; can not form big opening, form good appearance at this position.In addition; the rubber film fin that the window space M that 204b among the figure forms for the intersection at curve 202a and crawler belt connecting rod protective film 204a longitudinally is divided into two this window space M; enter from crawler belt connecting rod one side with the same finger stone, wood chip, the earth etc. of preventing of above-mentioned crawler belt connecting rod protective film 204a, can relax curve 202a simultaneously and go up the be full of cracks that produces because of flexural fatigue.In addition, flexible cords such as steel flexible cord, syntheticfibres, natural fiber or their fabric (such as nylon braid fabric) are along the circumferential direction imbedded continuously the below of alar part 202a as enhancement layer S.
Figure 15 is illustrated in the running condition that the present invention connects the crawler width direction of rod-type rubber belt track is installed on the running gear, with bolt with a pair of crawler belt connecting rod 205,205 are fixed on Piao keyhole 201p, the 201p of above-mentioned axle central portion 201b, connect adjacent crawler belt connecting rod 205,205 with connecting rod pin 206, formation is the state of bending mutually, the top continuous walking surface of using as runner of this crawler belt connecting rod 205,205.207,207 is the anti-stone baffle plate that stretches out to 205,205 liang of outsides of crawler belt connecting rod, be installed near the idle pulley of car body frame, roughly arrived at the inner peripheral surface of rubber belt track body 202 owing to should prevent the top of stone baffle plate 207, so as shown in the figure, in this programme, make curve 202a be positioned at two outsides of this anti-stone baffle plate 207, and roughly have the height of crawler belt connecting rod pin 206, simultaneously the length L of the Width of axle central portion 201b
3Can avoid the top of anti-stone baffle plate 207 to contact and can reel smoothly with rubber belt track body 202.
Figure 16 A represents that with B other is connected the rod-type rubber belt track, A is the block diagram of axle, B is the connection rod-type rubber belt track running condition figure that imbeds this axle, the axle of present embodiment is by the alar part 208a, the 208a that extend to the left and right and form the tabular that the central portion 208b of the bolt hole 208p of break-through forms, the two ends width L of its central portion 208b on it
2Length L than alar part 208a
1Also big.As shown in the figure, two outsides at anti-stone baffle plate 207,207, curve 202a is made the height that roughly has crawler belt connecting rod pin 206, in addition, make that to comprise this curve 202a along the circumferential direction continuous at the rubber belt track body 202 in interior 207 liang of outsides of anti-stone baffle plate, and axle central portion 208b is discontinuous.But, also can make the length of the central portion 208b between bolt hole 208p, 208p and the width L of alar part 208a
1Equate.
Figure 17 is the running condition figure that imbeds the connection rod-type rubber belt track of other type axle, in this embodiment, imbed axle 209 in the rubber belt track body 202 by the alar part 209a that extends to the left and right by separating predetermined distance, 209a, for not with above-mentioned anti-stone baffle plate 207,207 contacts and this alar part 209a relatively, the end difference 209b ' that 209a forms downwards, 209b ', and further drop to crawler belt crawler belt connecting rod 205 is installed, the central portion 209b of 205 height forms, by making end difference 209b ', 209b ' is higher than central portion 209, height with the cooresponding lug boss of this end difference 209b ' is increased, thereby the durability of lug boss is improved.This moment middle body Width size L
3Than the interval L between anti-stone baffle plate
4Also big.
Figure 18 represents to imbed the Splittable rubber belt track sheet of axle shown in Figure 12, and A is a block diagram, and B is the side view in partial cross-section after Splittable rubber belt track sheet is connected.Splittable rubber belt track sheet has the circumferencial direction length that is equivalent to 205 1 connecting rods of crawler belt connecting rod, and be separated from each other, so when being wound on key wheel etc. when going up, connecting portion 210 meeting openings, sometimes foreign matter can enter in this connecting portion 210, dying is made to circumferencial direction front and back end 211a, 211b the shape of close crawler belt connecting rod pin 206 positions, in order to prevent connecting portion 210 openings.In Splittable rubber belt track body 211, imbed above-mentioned concavity axle 201, the Width size L of this axle central portion 201b
3Interval L than 207 on above-mentioned anti-stone baffle plate
4Also big, Monday, side was provided with lug boss outside again, and is simultaneously corresponding with the bolt hole of installation crawler belt connecting rod 205 usefulness that form on the central portion 201b of axle 201, and the bolt hole 211p of break-through is set on this lug boss.Shown in Figure 18 B, a pair of crawler belt connecting rod 205,205 is fixed on interior all sides of Splittable rubber belt track sheet 211 with bolt, and with crawler belt connecting rod pin 206,206 ... connect adjacent Splittable rubber belt track sheet 211,211 ... crawler belt connecting rod 205,205 ..., form the ring-band shape rubber belt track.S is for strengthening the enhancement layer that Splittable rubber belt track sheet body 211 is pressed into.Present embodiment is that the circumferencial direction length evil with Splittable rubber belt track sheet is a crawler belt connecting rod unit, can certainly be decided to be plural crawler belt connecting rod unit, in addition, also can dispose one or more in the end of belt like rubber belt track and be used for connecting.
Axle of the present invention be connected the rod-type rubber belt track and be not limited to the foregoing description, the connection mode of axle and crawler belt connecting rod also can adopt the mode beyond the bolt fixed mode, for example welding, in addition, also can with enhancement layers such as fiber flexible cord such as natural fiber or syntheticfibres or fabric along be embedded in week full the axle alar part above or below or two sides up and down.
Above-mentioned first or alternative plan have following effect.
Promptly, on the connection rod-type rubber belt track that the crawler belt connecting rod on all sides in being installed in is coupled together as continuous runner track, make the rubber belt track body along the circumferential direction continuous in two outsides of anti-stone baffle plate, simultaneously the rubber belt track body between the axle alar part of imbedding is made curve, and make the length (L that imbeds the intrinsic axle alar part of this continuous rubber belt track
1) than the length (L at axle central portion two ends
2) little (L
1＜L
2), the intensity of crawler belt circumferencial direction is improved, durability is good, and can prevent the anti-avulsion wheel and make vibration attenuating when walking, and can also become the connection rod-type rubber belt track that can be installed on the running gear with anti-stone baffle plate.
In addition, be invaginated type by the relative left and right sides of the central portion alar part that will imbed the axle that connects the rod-type rubber belt track, and the width that makes this central portion is greater than the width of anti-stone baffle plate etc., the length that makes the central portion two ends is greater than alar part length, make thus that the body center of gravity reduces, walking stability is good, this connection rod-type rubber belt track can not only be installed on traditional general machine simultaneously, can also be installed on the running gear that forms anti-stone baffle plate etc., can also make raising, good economy performance, the commonality of lug boss durability wide in addition.
Alternative plan of the present invention is by forming the crawler belt connecting rod protective film that the rubber belt track body is protruded between adjacent axle central portion; and the intersection at this crawler belt connecting rod protective film and curve forms window-like rubber; make connection rod-type rubber belt track can prevent that obstacle from entering rubber belt track interior Monday of side; the durability of crawler belt is improved, and keep good appearance.
At last, with reference to accompanying drawing third party's case embodiment of the present invention is described.Figure 19 is the block diagram of the ring-like connection rod-type of expression this programme part rubber belt track, and Figure 20 is the side face section-drawing of connecting bridge, and Figure 21 is the block diagram of connecting strap.As shown in the figure, hydrogen is by left and right sides alar part 401a, the axle 401 that 401a and central portion 401b form is imbedded in the rubber belt track body 402 by separating predetermined distance, lug boss 403 is protruded towards kiss the earth one side of rubber belt track body 402, with bolt crawler belt crawler belt connecting rod 405 being fixed on axle central portion 401b goes up in the bolt hole 401p of break-through setting, before crawler belt connecting rod pin 406 generals, back crawler belt crawler belt connecting rod 405,405 connect into flexible state, with enhancement layer S along imbed in full week of crawler belt axle alar part 401a below, in addition, with axle 401,401 rubber belt track body 402 inside Monday of lateral bending song.
With the connecting strap 412 that roughly is the L font shown in Figure 21,412 ' bury underground and become to make it towards rubber belt track body 402, the outer circumferential side of 402 ' both ends axle alar part 401a makes overlapping 412t, 412t ' of connecting strap 412,412 ' one ends stretch out from the rubber belt track body.Make rubber belt track body 402,402 ' end face opposite, and when connecting with crawler belt crawler belt connecting rod 405, make the connecting strap 412,412 of left and right sides rubber belt track body 402,402 ' end ' overlapping the overlapping connection of 412t, 412t '.At this moment, because this overlapping 412t, 412t ' are at connecting rod pin 406 location overlaps, even and when sprocket wheel coiling or opposite warpage, connecting bridge is also not separated, and is in frequent overlap condition, does not enter from this part so foreign matter does not take place.In addition, because Yojimbo alar part 401a and connecting strap 412 are bonded into one with enhancement layer S clamping, can prevent that enhancement layer S is drawn out of in the rubber belt track end.
In addition, in the above-described embodiments, connecting strap 412,412 ' make by steel plate, yet, also can use FRP (reinforced plastics).Figure 22 be expression make the connecting strap 414,414 of overlapping 414t, 414t ' distortion ' the lateral plan of engagement state.In this example, overlapping 414t, 414t ' are vertical before arriving crawler belt connecting rod pin position.
In addition, in the above-described embodiments, be to make axle and connecting strap as each other member, yet, also can make it be bonded into one and use, at that time, with enhancement layer S be embedded in the top of axle alar part 401a or connecting strap 412,412 ' below no problem all.
Figure 23 is the circumferencial direction section-drawing that is connected rod-type rubber belt track connecting bridge part that expression forms axle alar part and connecting strap one, as shown in the figure, form the connecting strap 414k that erects formation along oblique on the alar part 411a of rubber belt track end imbedding, the end of this connecting strap is stretched out from rubber bodies, make equally overlapping and form overlapping 411t with the other end along the end of the oblique connecting strap 411 ' k that erects formation.These overlapping 411t, 411 ' t become roughly in crawler belt connecting rod pin location overlap bonded assembly part.
Figure 24 connects rod-type rubber belt track section-drawing along the circumferential direction for other embodiment of expression this programme, in this example, is equivalent to the long circumferencial direction length L of crawler belt crawler belt connecting rod 405 1 joints having
10Rubber belt track plate 407 configuration be connected and connect between rod-type crawler belt end.With axle 401 with have the connecting strap 413 that is equivalent to these rubber belt track plate 407 whole circumference direction length and imbed in this rubber belt track plate 407, this connecting strap 413 is formed and possess along the front and back of rubber belt track plate 407, the concavity section of overlapping 413t, 413 ' t stretching out of side obliquely, make its in crawler belt connecting rod pin 406 positions respectively with overlapping the 412t in crawler belt end, the overlapping connection of 412 ' t.
Figure 25 is the circumferencial direction section-drawing of the connection rod-type rubber belt track of another other example of expression this programme, and expression is imbedded the axle of axle alar part 410a and connecting strap 410k, 410 ' k formation one, has to be equivalent to a joint crawler belt connecting rod circumferencial direction length L
10Rubber belt track plate 408, make this connecting strap 410k, 410 ' k from oblique the erecting in axle alar part 410a rear and front end, and the connecting strap end is stretched out in the rubber bodies and form overlapping 410t, 410 ' t.Expression is with this rubber belt track plate 408 assortment along the circumferential direction in this example, the overlapping portion that makes butt joint is at crawler belt connecting rod pin location overlap roughly, simultaneously, connect front and back rubber belt track plate 408, become the connection rod-type rubber belt track that only constitutes full week with rubber belt track plate 408 with crawler belt crawler belt connecting rod.
According to this third party's case, owing to not using bolt etc. to use the connecting strap of simple structure to connect, thereby bolt fracture does not take place, inappropriate situation such as loose, constitute make connect and repair work easily, cheap connection rod-type rubber belt track economically.
In addition, owing to make the connecting strap overlapping part in crawler belt connecting rod pin position, thereby the portion's opening phenomenon of reeling on sprocket wheel or do not overlap during reflex action, thereby can prevent that foreign matter from entering respectively connects the place, and walking is carried out smoothly.
Claims (4)
1. one kind connects the rod-type rubber belt track, will be by a left side, the length direction of the axle that right wing part and central portion constitute with respect to the circumferencial direction of rubber belt track body vertically, and bury underground by roughly certain interval, side at this rubber belt track body kiss the earth is established lug boss, and the crawler belt connecting rod is installed in the upper central portion both sides at this axle, before inciting somebody to action, after the crawler belt connecting rod connect into can mutually crooked state, form track with a pair of continuous crawler belt connecting rod, it is characterized in that, this rubber belt track body is along the circumferential direction connected in two outsides of the anti-stone baffle plate that stretches out from the car body frame, make the inside curved one-tenth curve of lateral bending Monday between the adjacent axle alar part simultaneously, and make the width (L that imbeds the intrinsic axle alar part of this connection rod-type rubber belt track
1) than the width (L of two outside lefts of the crawler belt connecting rod installation position that forms at the axle central portion
2) also lack (L
1＜L
2).
2. connection rod-type rubber belt track according to claim 1, it is characterized in that, side at rubber belt track body kiss the earth is established lug boss, Monday, a pair of crawler belt connecting rod was installed by side central authorities within it, before inciting somebody to action, back crawler belt connecting rod connects into the state of bending mutually, form track with a pair of continuous crawler belt connecting rod, in this connection rod-type rubber belt track, bury axle underground, this axle is by left, the right alar part that extends is invaginated type with relative this alar part central portion constitutes, central portion at this axle forms the mounting structures such as bolt hole that the crawler belt connecting rod is installed, and makes the width (L of the axle length direction of this central portion simultaneously
3) than the interval (L between a pair of anti-stone baffle plate that stretches out from the car body frame of running gear
4) also wide (L
3＞L
4).
3. connection rod-type rubber belt track according to claim 1 is characterized in that, at the curve with the rubber belt track body inside all lateral bending songs between alar part between the adjacent axle, protrudes formation crawler belt connecting rod protective film between central portion.
4. according to claim 1 or 3 described connection rod-type rubber belt tracks, it is characterized in that, the window space M that forms when bent for the inside all lateral bending of the rubber belt track body between adjacent axle alar part is provided with the rubber film fin that this window space M longitudinally is divided into two.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14937195A JPH08301156A (en) | 1995-05-12 | 1995-05-12 | Connecting link type rubber crawler and core therefor |
| JP149371/1995 | 1995-05-12 | ||
| JP32497995A JPH09132183A (en) | 1995-11-07 | 1995-11-07 | Joining link type rubber crawler |
| JP324979/1995 | 1995-11-07 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96102596A Division CN1079067C (en) | 1995-05-12 | 1996-01-31 | Linking-bar type rubber caterpillars and the core bars thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1358647A CN1358647A (en) | 2002-07-17 |
| CN1125742C true CN1125742C (en) | 2003-10-29 |
Family
ID=26479280
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96102596A Expired - Fee Related CN1079067C (en) | 1995-05-12 | 1996-01-31 | Linking-bar type rubber caterpillars and the core bars thereof |
| CN01125048A Expired - Fee Related CN1125742C (en) | 1995-05-12 | 2001-07-30 | Connecting rod type rubber caterpillar |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96102596A Expired - Fee Related CN1079067C (en) | 1995-05-12 | 1996-01-31 | Linking-bar type rubber caterpillars and the core bars thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN1079067C (en) |
| AU (1) | AU721323B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100341739C (en) * | 2002-05-29 | 2007-10-10 | 株式会社普利司通 | Rubber crawler |
| JP3883129B2 (en) * | 2004-03-22 | 2007-02-21 | 住友ゴム工業株式会社 | Ladder-type crawler |
| CA2562995C (en) * | 2006-10-06 | 2013-11-26 | Soucy International Inc. | Endless elastomeric track |
| US9227679B2 (en) | 2011-06-30 | 2016-01-05 | Caterpillar Inc. | Track link connector with textured region |
| US20150197295A1 (en) * | 2014-01-10 | 2015-07-16 | Caterpillar Inc. | Thin film coating on undercarriage track pins |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2550685Y2 (en) * | 1989-03-18 | 1997-10-15 | 福山ゴム工業 株式会社 | Rubber track |
| JP2591525Y2 (en) * | 1991-05-29 | 1999-03-03 | 横浜ゴム株式会社 | Crawler shoe |
| JPH06156334A (en) * | 1992-11-17 | 1994-06-03 | Fukuyama Rubber Kogyo Kk | High elasticity rubber crawler and manufacture thereof |
-
1996
- 1996-01-17 AU AU42049/96A patent/AU721323B2/en not_active Ceased
- 1996-01-31 CN CN96102596A patent/CN1079067C/en not_active Expired - Fee Related
-
2001
- 2001-07-30 CN CN01125048A patent/CN1125742C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1358647A (en) | 2002-07-17 |
| CN1135986A (en) | 1996-11-20 |
| AU721323B2 (en) | 2000-06-29 |
| AU4204996A (en) | 1996-11-21 |
| CN1079067C (en) | 2002-02-13 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |