CN211642386U - Shock-proof structure of crawler chassis - Google Patents
Shock-proof structure of crawler chassis Download PDFInfo
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- CN211642386U CN211642386U CN201922471395.4U CN201922471395U CN211642386U CN 211642386 U CN211642386 U CN 211642386U CN 201922471395 U CN201922471395 U CN 201922471395U CN 211642386 U CN211642386 U CN 211642386U
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- swing arm
- arm assembly
- shock absorber
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Abstract
The utility model discloses a shock-absorbing structure of a crawler chassis, which comprises an X-shaped swing arm component, a connecting shaft, a first shock absorber, a balance wheel, a front gap bridge swing arm component, a front connecting shaft, a front swing arm component, an inducer, a second shock absorber, a rear gap bridge swing arm component, a rear connecting shaft, a driving wheel, a rear swing arm component, a tow band wheel, a driving wheel and a third shock absorber; and the crawler belt is sleeved on the balance wheel, the inducer, the tow band wheel and the driving wheel. This neotype shock absorber structure has great shock absorber stroke to set up preceding swing arm subassembly forward, the backward swing arm subassembly sets up can realize great ground connection ratio under the condition that does not increase automobile body length, has promoted complete machine ground connection length and has overturned the ability of perpendicular obstacle, and inducer, stabilizer, drive wheel can move in a flexible way, and moves interrelatedly between the wheelset, have good ground performance to complicated road conditions, can guarantee chassis motion stability.
Description
Technical Field
The utility model relates to a hang technical field, more specifically the shock absorber structure that relates to a track chassis that says so.
Background
At present, a crawler chassis is mainly applied to the fields of crawler cranes, crawler transport vehicles, crawler inspection vehicles, crawler armored vehicles and the like, wherein the crawler chassis which is deviated from the transportation requirement is generally provided with a shock-absorbing suspension structure for absorbing the impact of the crawler chassis on a frame and an upper loader when the crawler chassis runs; the suspension shock-absorbing structure of the prior crawler chassis comprises two modes of independent shock absorption of the Kristi and shock absorption of the Madieda balance wheel. However, the martidad structure generally has requirements on the space arrangement of a large chassis frame, has relatively small suspension stroke and is not suitable for long shock-absorbing stroke, and the martidad structure has the defects of large requirement on the suspension longitudinal space, long requirement on the circumference of a track, low obstacle-crossing capability and the like when being used for long-stroke shock absorption; and the structural style of the clissi and the martilard usually needs to be provided with an additional large-stroke tensioning wheel to realize tensioning and replacement of the track, and the structure is complex, the manufacturing cost is high, and the installation is difficult.
Therefore, it is an urgent need to solve the problem of the art to provide a suspension structure of a crawler chassis, which has a long suspension stroke, a strong obstacle-crossing capability and a simple structure.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can possess longer shock absorber stroke, have stronger obstacle crossing ability and simple structure's crawler chassis's shock absorber structure device again.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a suspension structure for a track chassis, comprising:
the middle part of the X-shaped swing arm assembly is hinged with a connecting shaft, the upper end of the X-shaped swing arm assembly is hinged with a first shock absorber, and the lower end of the X-shaped swing arm assembly is connected with a balance wheel;
one side of the front gap bridge swing arm assembly is hinged with the connecting shaft, and the lower position of the other side of the front gap bridge swing arm assembly is connected with a front connecting shaft;
one side of the front swing arm assembly is hinged with the front connecting shaft, the other side of the front swing arm assembly is connected with an inducer, and the position above the other side of the front gap bridge swing arm assembly and the position above the front swing arm assembly are hinged with a second shock absorber;
one side of the rear gap bridge swing arm assembly is hinged with the connecting shaft, the other side of the rear gap bridge swing arm assembly is connected with a rear connecting shaft, and a driving wheel is fixedly connected onto the rear connecting shaft;
the middle part of the rear swing arm assembly is hinged with the rear connecting shaft, one side of the rear swing arm assembly is connected with a towing belt wheel, the other side of the rear swing arm assembly is connected with a driving wheel in transmission connection with the driving wheel, and a third shock absorber is hinged between the rear gap bridge swing arm assembly and the rear swing arm assembly;
the crawler belt is sleeved on the balance wheel, the inducer, the tow band wheel and the driving wheel.
According to the technical scheme, compare with prior art, the utility model provides a shock absorber structure of crawler chassis, this shock absorber structure has great stroke of moving away to avoid possible earthquakes, and set up preceding swing arm subassembly forward, back swing arm subassembly sets up backward and can realize great ground connection ratio under the condition that does not increase automobile body length, the ability of complete machine ground connection length and crossing perpendicular obstacle has been promoted, and the inducer, the stabilizer, the drive wheel can move in a flexible way, and move interunit and be correlated with, have good ground performance to complicated road conditions, can guarantee chassis motion stability.
Further, the X-shaped swing arm assembly comprises: two X shape swing arms of interval parallel arrangement, two X shape swing arm middle part with the connecting axle is articulated to be connected, first shock absorber is articulated to be connected two X shape swing arm upper end, the stabilizer wheel is connected two X shape swing arm lower extreme.
Further, preceding bridge swing arm subassembly includes: two preceding gap bridge swing arms of interval parallel arrangement, two preceding gap bridge swing arm one side all with the connecting axle is articulated to be connected and is located two respectively the X shape swing arm outside, preceding gap bridge swing arm opposite side below position with preceding connecting axle is articulated to be connected, opposite side top position with second bumper shock absorber one end is articulated to be connected.
Further, the front swing arm assembly includes:
one side of the front swing arm support frame is hinged with the front connecting shaft and is positioned on the inner side of the front gap bridge swing arm, and the other end of the second shock absorber is hinged with the top end of the front swing arm support frame;
the inducer retainer is in sliding connection with the front swing arm support frame, and the inducer retainer is provided with the inducer.
When the inducer is impacted by vertical obstacles, the inducer retainer slides on the front swing arm support frame, and the impact in the right front can be absorbed, so that the shock-absorbing performance of the shock-absorbing structure is improved.
Further, the front swing arm support frame includes:
the number of the brackets is two, and the two brackets are arranged at intervals and in parallel;
the first connecting sleeve is fixedly connected between the two brackets and sleeved on the front connecting shaft;
the horizontal plate is fixedly arranged between the two brackets, the top end of the horizontal plate is fixedly connected with a connecting lug plate, and the other end of the second shock absorber is hinged with the connecting lug plate;
the sliding sleeve is fixedly installed at the bottom end of the horizontal plate, and the inducer retainer is in sliding connection with the sliding sleeve.
Further, the inducer cage comprises:
the frame body is connected with the inducer;
the sliding optical axis is fixedly installed on the frame body, and the sliding optical axis is in sliding insertion with the sliding sleeve.
When the inducer is impacted by vertical obstacles, the sliding optical axis on the inducer holder slides in the sliding sleeve, so that the impact right ahead can be absorbed.
Furthermore, two fixedly connected with back supporting seat of spring between the support bottom, support bottom fixedly connected with front supporting seat of spring, back supporting seat of spring with be provided with the tensioning spring subassembly between the front supporting seat of spring.
When the inducer is impacted by vertical obstacles, the sliding optical axis on the inducer retainer slides in the sliding sleeve, and the tensioning spring assembly is compressed, so that the impact in the front can be quickly absorbed, and the shock-absorbing performance is improved.
Further, fixedly connected with guide pin bushing before the spring on the supporting seat, tensioning spring assembly includes:
the screw rod of the adjusting screw rod penetrates through and is in threaded connection with the rear supporting seat;
one end of the connecting cylinder seat is fixedly connected with the screw rod of the adjusting screw rod;
and one end of the spring is sleeved on the connecting cylinder seat, and the other end of the spring is sleeved on the guide sleeve.
When the chassis device receives perpendicular obstacle impact, the slip optical axis on the inducer holder slides in sliding sleeve to the spring compression can absorb the impact in dead ahead fast, and still can adjust the rate of tension of track through adjusting screw adjusting spring's elasticity size, need not to set up the take-up pulley in addition, makes the structure simpler, reduces manufacturing cost and easily installs.
Further, rear gap bridge swing arm subassembly includes:
the number of the rear gap bridge swing arms is two, one side of each rear gap bridge swing arm is hinged with the connecting shaft and is positioned between the X-shaped swing arm and the front gap bridge swing arm, and the other side of each rear gap bridge swing arm is hinged with the rear connecting shaft;
the shock absorber hinge base is fixedly installed between the two rear gap bridge swing arms, and the shock absorber hinge base is hinged and connected with one end of the third shock absorber.
Further, the rear swing arm assembly includes:
the rear swing arm support is positioned between the two rear gap bridge swing arms, one side of the rear swing arm support is connected with the tow belt wheel, the other side of the rear swing arm support is connected with the driving wheel, and the position, close to the tow belt wheel, of the rear swing arm support is hinged with the other end of the third shock absorber;
and the second connecting sleeve is fixedly arranged in the middle of the rear swing arm support and sleeved on the rear connecting shaft.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic axial-side structure diagram of a shock absorbing structure of a crawler chassis according to the present invention.
Fig. 2 is a side view of the structure of fig. 1.
Figure 3 is a schematic view of the structure with the track removed.
Fig. 4 is a structural schematic diagram of the X-shaped swing arm assembly.
Figure 5 is a schematic diagram of the construction of the front swing arm assembly.
Fig. 6-7 are exploded views of the front swing arm assembly.
Figure 8 is a schematic diagram of the structure of the tension spring assembly.
Fig. 9 is a structural schematic diagram of the rear gap bridge swing arm assembly.
Fig. 10 is a structural schematic diagram of the rear swing arm assembly.
Wherein: 1-X-shaped swing arm assembly, 101-X-shaped swing arm, 2-connecting shaft, 3-first shock absorber, 4-balance wheel, 5-front gap bridge swing arm assembly, 501-front gap bridge swing arm, 6-front connecting shaft, 7-front swing arm assembly, 701-front swing arm support, 7011-support, 7012-first connecting sleeve, 7013-horizontal plate, 7014-connecting lug plate, 7015-sliding sleeve, 7016-spring rear support, 702-inducer retainer, 7021-frame, 7022-sliding optical axis, 7023-spring front support, 7024-guide sleeve, 8-inducer, 9-second shock absorber, 10-rear gap bridge swing arm assembly, 1001-rear gap bridge swing arm, 1002-shock absorber hinge base, 11-rear connecting shaft, 12-drive wheel, 13-rear swing arm component, 131-rear swing arm support, 132-second connecting sleeve, 14-dragging wheel, 15-drive wheel, 16-third shock absorber, 17-track, 18-tensioning spring component, 181-adjusting screw, 182-connecting cylinder seat and 183-spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses shock absorber structure of crawler chassis, include:
the X-shaped swing arm assembly 1 is characterized in that the middle part of the X-shaped swing arm assembly 1 is hinged with a connecting shaft 2, the upper end of the X-shaped swing arm assembly 1 is hinged with a first shock absorber 3, and the lower end of the X-shaped swing arm assembly is connected with a balance wheel 4;
one side of the front gap bridge swing arm component 5 is hinged with the connecting shaft 2, and the lower position of the other side of the front gap bridge swing arm component 5 is connected with a front connecting shaft 6;
one side of the front swing arm assembly 7 is hinged with the front connecting shaft 6, the other side of the front swing arm assembly 7 is connected with an inducer 8, and the position above the other side of the front gap bridge swing arm assembly 5 and the position above the front swing arm assembly 7 are hinged with a second shock absorber 9;
the rear gap bridge swing arm assembly 10 is characterized in that one side of the rear gap bridge swing arm assembly 10 is hinged with the connecting shaft 2, the other side of the rear gap bridge swing arm assembly is connected with a rear connecting shaft 11, and a driving wheel 12 is fixedly connected to the rear connecting shaft 11;
the middle part of the rear swing arm assembly 13 is hinged with the rear connecting shaft 11, one side of the rear swing arm assembly 13 is connected with a towing pulley 14, the other side of the rear swing arm assembly 13 is connected with a driving wheel 15 connected with a driving wheel 12 transmission chain, and a third shock absorber 16 is hinged between the rear gap bridge swing arm assembly 10 and the rear swing arm assembly 13;
and the crawler belt 17 is sleeved on the balance wheel 4, the inducer 8, the tow band wheel 14 and the driving wheel 15.
The X-shaped swing arm assembly 1 includes: two X-shaped swing arms 101 that the interval parallel arrangement, two X-shaped swing arms 101 middle parts are connected with connecting axle 2 is articulated, and first shock absorber 3 is articulated to be connected in two X-shaped swing arms 101 upper ends, and the stabilizer 4 is connected at two X-shaped swing arms 101 lower extreme.
The front gap bridge swing arm assembly 5 includes: two preceding bridge swing arms 501 of interval parallel arrangement, two preceding bridge swing arms 501 one side all are connected with connecting axle 2 is articulated and are located two X-shaped swing arm 101 outsides respectively, and preceding bridge swing arm 501 opposite side below position is connected with preceding connecting axle 6 is articulated, and opposite side top position is connected with second bumper shock absorber 9 one end is articulated.
The front swing arm assembly 7 includes:
one side of the front swing arm support frame 701 is hinged with the front connecting shaft 6 and is positioned on the inner side of the front gap bridge swing arm 501, and the other end of the second shock absorber 9 is hinged with the top end of the front swing arm support frame 701;
the inducer retainer 702 is connected with the front swing arm support frame 701 in a sliding mode, and an inducer 8 is arranged on the inducer retainer 702.
The front swing arm support frame 701 includes:
two supports 7011, wherein the two supports 7011 are arranged in parallel at intervals;
the first connecting sleeve 7012 is fixedly connected between the two brackets 7011, and the first connecting sleeve 7012 is sleeved on the front connecting shaft 6;
the horizontal plate 7013 is fixedly arranged between the two brackets 7011, the top end of the horizontal plate 7013 is fixedly connected with a connecting lug plate 7014, and the other end of the second shock absorber 9 is hinged with the connecting lug plate 7014;
the sliding sleeve 7015 and the sliding sleeve 7015 are fixedly arranged at the bottom end of the horizontal plate 7013, and the inducer holder 702 is in sliding connection with the sliding sleeve 7015.
The inducer cage 702 includes:
the rack 7021 is connected with an inducer 8;
the sliding optical axis 7022 and the sliding optical axis 7022 are fixedly mounted on the frame 7021, and the sliding optical axis 7022 is slidably inserted into the sliding sleeve 7015.
A rear spring supporting seat 7016 is fixedly connected between the bottoms of the two supports 7011, a front spring supporting seat 7023 is fixedly connected to the bottom of the frame 7021, and a tensioning spring assembly 18 is arranged between the rear spring supporting seat 7016 and the front spring supporting seat 7023.
Fixedly connected with guide pin bushing 7024 on the preceding support seat 7023 of spring, tensioning spring assembly 18 includes:
the screw rod of the adjusting screw rod 181 penetrates through and is screwed on the rear supporting seat 7016;
a connecting cylinder seat 182, one end of the connecting cylinder seat 182 is fixedly connected with the screw of the adjusting screw 181;
one end of the spring 183 is sleeved on the connecting cylinder seat 182, and the other end of the spring 183 is sleeved on the guide sleeve 7024.
The rear carrier swing arm assembly 10 includes:
two rear intermediate swing arms 1001 and two rear intermediate swing arms 1001, wherein one sides of the two rear intermediate swing arms 1001 are hinged to the connecting shaft 2 and located between the X-shaped swing arm 101 and the front intermediate swing arm 501, and the other sides of the two rear intermediate swing arms are hinged to the rear connecting shaft 11;
the shock absorber hinge seat 1002, the shock absorber hinge seat 1002 is fixedly installed between the two rear gap bridge swing arms 1001, and the shock absorber hinge seat 1002 is hinged to one end of the third shock absorber 16.
The rear swing arm assembly 13 includes:
the rear swing arm support 131 is positioned between the two rear intermediate swing arms 1001, one side of the rear swing arm support 131 is connected with a towing pulley 14, the other side of the rear swing arm support 131 is connected with a driving wheel 15, and the position, close to the towing pulley 14, of the rear swing arm support 131 is hinged to the other end of the third shock absorber 16;
a second connecting sleeve 132, the second connecting sleeve 132 is fixedly installed in the middle of the rear swing arm bracket 131, and the second connecting sleeve 132 is sleeved on the rear connecting shaft 11.
The utility model discloses a preceding swing arm subassembly can rotate around preceding connecting axle, and X shape swing arm subassembly rotates around the connecting axle with the stabilizer class, and back swing arm subassembly rotates around the back connecting axle, and when current, back swing arm subassembly and X shape swing arm subassembly simultaneous movement, this structure does not have dead point position and track and does not have the pine and takes off the risk, consequently, this structure also can avoid the high-speed motor-driven tape problem that falls.
When the chassis device is impacted by a vertical obstacle, the sliding optical axis on the inducer retainer slides in the sliding sleeve, and the spring is compressed to absorb the impact right ahead; when the chassis device is impacted by a slope, a ditch ridge and the like from the front lower part, the front swing arm assembly rotates around the front connecting shaft, and the impact is transmitted to the second shock absorber for absorption; when the obstacle reaches the balance wheel, the balance wheel is linked front and back to successively pass through the obstacle, and impact is transmitted to the first shock absorber to be absorbed through the X-shaped swing arm assembly; when the obstacle reaches the position of the driving wheel, the driving wheel can rotate around the rear connecting shaft under the action of the rear swing arm assembly, and impact is transmitted to the third shock absorber through the rear swing bracket to be absorbed; the shock-absorbing action of the chassis device is completed through the process.
This shock absorber structure has great stroke of moving away to avoid possible earthquakes to set up preceding swing arm subassembly forward, the backward setting of back swing arm subassembly can realize great ground connection ratio under the condition that does not increase automobile body length, promoted complete machine ground connection length, promoted the ability that the track chassis device climbed perpendicular obstacle, and inducer, stabilizer, drive wheel can move in a flexible way, and move interrelatedly between the wheelset, have good ground performance to complicated road conditions, can guarantee chassis motion stability. The towing wheel and the driving wheel can be linked through the rear swing arm bracket, so that the towing wheel can descend when the driving wheel ascends due to obstacles, and the problem that the swing arm stroke is shortened due to the constraint of the circumference of the track when the driving wheel ascends can be solved; and the structure improves the adaptability of the crawler chassis device to rough ground and improves the obstacle crossing height of the crawler chassis device.
Meanwhile, the shock absorbing structure can realize high-efficiency shock absorption only by adopting 3 shock absorbers, thereby reducing the complexity of the shock absorbing structure, reducing the manufacturing cost and providing convenience for use and maintenance. And the clissi and the structure form of maiden need set up extra long-range take-up pulley usually and realize the tensioning of track and change, and it is rotatory around preceding connecting axle through preceding swing arm subassembly in this track chassis device's shock absorber structure, can dismantle the maintenance to the track fast, maintenance efficiency has greatly been promoted, and still can adjust the rate of tension of track through adjusting screw adjusting spring's elasticity size, need not to set up the take-up pulley in addition, make the structure simpler, reduce manufacturing cost and easily install.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A shock absorbing structure of a crawler chassis, comprising:
the device comprises an X-shaped swing arm assembly (1), wherein the middle part of the X-shaped swing arm assembly (1) is hinged with a connecting shaft (2), the upper end of the X-shaped swing arm assembly (1) is hinged with a first shock absorber (3), and the lower end of the X-shaped swing arm assembly is connected with a balance wheel (4);
one side of the front gap bridge swing arm assembly (5) is hinged with the connecting shaft (2), and a front connecting shaft (6) is connected to the lower position of the other side of the front gap bridge swing arm assembly (5);
one side of the front swing arm assembly (7) is hinged with the front connecting shaft (6), the other side of the front swing arm assembly (7) is connected with an inducer (8), and the position above the other side of the front gap bridge swing arm assembly (5) and the position above the front swing arm assembly (7) are hinged with a second shock absorber (9);
one side of the rear gap bridge swing arm assembly (10) is hinged with the connecting shaft (2), the other side of the rear gap bridge swing arm assembly is connected with a rear connecting shaft (11), and a driving wheel (12) is fixedly connected to the rear connecting shaft (11);
the middle part of the rear swing arm assembly (13) is hinged with the rear connecting shaft (11), one side of the rear swing arm assembly (13) is connected with a towing pulley (14), the other side of the rear swing arm assembly is connected with a driving wheel (15) in transmission connection with the driving wheel (12), and a third shock absorber (16) is hinged between the rear gap bridge swing arm assembly (10) and the rear swing arm assembly (13);
the crawler belt (17) is sleeved on the balance wheel (4), the inducer (8), the tow band wheel (14) and the driving wheel (15).
2. Shock-absorbing structure for a track chassis according to claim 1, characterized in that said X-shaped swing arm assembly (1) comprises: two X shape swing arm (101) of interval parallel arrangement, two X shape swing arm (101) middle part with connecting axle (2) are articulated to be connected, first shock absorber (3) are articulated to be connected two X shape swing arm (101) upper end, stabilizer (4) are connected two X shape swing arm (101) lower extreme.
3. Shock-absorbing structure for a track chassis according to claim 2, characterized in that said front carrier swing arm assembly (5) comprises: two preceding gap bridge swing arms (501) of interval parallel arrangement, two preceding gap bridge swing arm (501) one side all with connecting axle (2) are articulated to be connected and are located two respectively X shape swing arm (101) outside, preceding gap bridge swing arm (501) opposite side below position with preceding connecting axle (6) are articulated to be connected, opposite side top position with second shock absorber (9) one end is articulated to be connected.
4. Shock-absorbing structure for a track chassis according to claim 3, characterized in that said front swing arm assembly (7) comprises:
one side of the front swing arm support frame (701) is hinged with the front connecting shaft (6) and is positioned on the inner side of the front bridge swing arm (501), and the other end of the second shock absorber (9) is hinged with the top end of the front swing arm support frame (701);
the inducer retainer (702) is in sliding connection with the front swing arm support frame (701), and the inducer retainer (702) is provided with the inducer (8).
5. Suspension structure for a track chassis according to claim 4, characterized in that said front swing arm support frame (701) comprises:
the number of the brackets (7011) is two, and the two brackets (7011) are arranged at intervals and in parallel;
the first connecting sleeve (7012) is fixedly connected between the two brackets (7011), and the first connecting sleeve (7012) is sleeved on the front connecting shaft (6);
the horizontal plate (7013) is fixedly installed between the two brackets (7011), the top end of the horizontal plate (7013) is fixedly connected with a connecting lug plate (7014), and the other end of the second shock absorber (9) is hinged to the connecting lug plate (7014);
the sliding sleeve (7015), sliding sleeve (7015) fixed mounting in horizontal plate (7013) bottom, just inducer holder (702) with sliding sleeve (7015) sliding connection.
6. Shock-absorbing structure for a track undercarriage according to claim 5, characterized in that said inducer cage (702) comprises:
the rack body (7021) is connected with the inducer (8);
the sliding optical axis (7022), the sliding optical axis (7022) is fixedly mounted on the frame body (7021), and the sliding optical axis (7022) is in sliding insertion connection with the sliding sleeve (7015).
7. The shock absorbing structure of a track chassis according to claim 6, wherein a rear spring supporting seat (7016) is fixedly connected between the bottoms of the two brackets (7011), a front spring supporting seat (7023) is fixedly connected to the bottom of the frame body (7021), and a tensioning spring assembly (18) is arranged between the rear spring supporting seat (7016) and the front spring supporting seat (7023).
8. Shock-absorbing structure for crawler chassis according to claim 7, wherein said front spring support (7023) has a guide sleeve (7024) fixedly connected thereto, said tension spring assembly (18) comprising:
the screw rod of the adjusting screw rod (181) penetrates through and is in threaded connection with the spring rear supporting seat (7016);
one end of the connecting cylinder seat (182) is fixedly connected with the screw rod of the adjusting screw rod (181);
one end of the spring (183) is sleeved on the connecting cylinder seat (182), and the other end of the spring (183) is sleeved on the guide sleeve (7024).
9. Shock-absorbing structure for a track chassis according to any one of claims 3 to 8, characterised in that said rear carrier swing arm assembly (10) comprises:
the number of the rear gap bridge swing arms (1001) is two, one side of each of the two rear gap bridge swing arms (1001) is hinged to the connecting shaft (2) and located between the X-shaped swing arm (101) and the front gap bridge swing arm (501), and the other side of each of the two rear gap bridge swing arms is hinged to the rear connecting shaft (11);
the shock absorber hinge seat (1002), the shock absorber hinge seat (1002) is fixedly mounted between the two rear gap bridge swing arms (1001), and the shock absorber hinge seat (1002) is hinged to one end of the third shock absorber (16).
10. Shock-absorbing structure for a track chassis according to claim 9, characterized in that said rear swing arm assembly (13) comprises:
the rear swing arm support (131) is located between the two rear gap bridge swing arms (1001), one side of the rear swing arm support (131) is connected with the tow band wheel (14), the other side of the rear swing arm support is connected with the driving wheel (15), and the position, close to the tow band wheel (14), of the rear swing arm support (131) is hinged to the other end of the third shock absorber (16);
the second connecting sleeve (132), second connecting sleeve (132) fixed mounting be in back swing arm support (131) middle part, second connecting sleeve (132) cover is located on back connecting axle (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471395.4U CN211642386U (en) | 2019-12-31 | 2019-12-31 | Shock-proof structure of crawler chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471395.4U CN211642386U (en) | 2019-12-31 | 2019-12-31 | Shock-proof structure of crawler chassis |
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| Publication Number | Publication Date |
|---|---|
| CN211642386U true CN211642386U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922471395.4U Active CN211642386U (en) | 2019-12-31 | 2019-12-31 | Shock-proof structure of crawler chassis |
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| CN (1) | CN211642386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117022478A (en) * | 2023-10-07 | 2023-11-10 | 黑龙江省润昌农业机械有限公司 | High-speed crawler wheel assembly matched with large harvester and walking in imitation terrain |
-
2019
- 2019-12-31 CN CN201922471395.4U patent/CN211642386U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117022478A (en) * | 2023-10-07 | 2023-11-10 | 黑龙江省润昌农业机械有限公司 | High-speed crawler wheel assembly matched with large harvester and walking in imitation terrain |
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