CN111071360A - Guiding device of crawler excavator and crawler excavator - Google Patents
Guiding device of crawler excavator and crawler excavator Download PDFInfo
- Publication number
- CN111071360A CN111071360A CN202010034592.4A CN202010034592A CN111071360A CN 111071360 A CN111071360 A CN 111071360A CN 202010034592 A CN202010034592 A CN 202010034592A CN 111071360 A CN111071360 A CN 111071360A
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- China
- Prior art keywords
- ring
- guide
- wheel body
- tread
- guide wheel
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Classifications
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- 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
- B62D55/084—Endless-track units or carriages mounted separably, adjustably or extensibly on vehicles, e.g. portable track units
- B62D55/0847—Track blocking devices mounted on the frame; Track guides
-
- 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
- B62D55/305—Track-tensioning means acting on pivotably mounted idlers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to a guiding device of a crawler excavator and the crawler excavator, wherein the guiding device comprises a guiding wheel body provided with an axial through hole; the inner ring surface of the guide ring is connected with the wheel surface of the guide wheel body through a key or a pin, and the guide wheel body drives the guide ring to do circular motion; set up respectively in the first tread ring and the second tread ring of direction ring both sides, first tread ring and second tread ring are used for carrying out the axial spacing to direction ring and guide wheel body, fixed connection can be dismantled on guide wheel body and/or direction ring to first tread ring, fixed connection can be dismantled on guide wheel body and/or direction ring to second tread ring, and the external diameter of direction ring is greater than the external diameter of first tread ring and the external diameter of second tread ring. The guide device is provided with the guide wheel body, the guide circular ring and the tread circular ring respectively, and the corresponding guide circular ring can be arranged according to requirements, so that the universality and interchangeability of the guide device are improved, and the replacement cost is reduced.
Description
Technical Field
The invention relates to a guide device, in particular to a guide device of a crawler excavator and the crawler excavator.
Background
The excavator is a main type of engineering machinery, walking of the excavator is one of main actions of the excavator during operation, and wheel tread damage of a guide device frequently occurs in actual work.
Due to the fact that the guide devices of the excavators with similar large tonnage and even the same tonnage are designed in various types, one excavator can only replace the guide device of a designated manufacturer, and if the damaged guide device is out of production, the purchase period is too long and the like, the excavator cannot produce and work, and the production and maintenance of the excavator are very inconvenient. The installation scheme of the guide device of the current large-tonnage excavator is that the excavator of one type can only install the guide device of a specified type, and the guide devices of the similar tonnage types are not necessarily universal although the installation forms are the same and the key sizes are similar. The installation forms of the guide devices with similar tonnages are the same, the key sizes are different, the damage form of the guide devices mainly refers to the damage of wheel body treads, and the whole guide device needs to be replaced when the guide devices are damaged.
Disclosure of Invention
The invention provides a guide device of a crawler excavator and the crawler excavator, aiming at solving the problems of poor universality and interchangeability and high replacement cost of the existing guide device, wherein the guide device of the crawler excavator comprises a guide wheel body provided with an axial through hole, a rotating shaft penetrates through the axial through hole of the guide wheel body, and the guide wheel body rotates around the rotating shaft;
the inner ring surface of the guide ring is connected with the wheel surface of the guide wheel body through a key or a pin, the center line of the guide ring is collinear with the center line of the axial through hole, the guide wheel body drives the guide ring to do circular motion, and the guide ring is used for guiding a crawler belt to move;
set up respectively in the first tread ring and the second tread ring of direction ring both sides, first tread ring with the second tread ring is used for right the direction ring with the guide wheel body carries out the axial spacing, fixed connection can be dismantled to first tread ring in the guide wheel body and/or on the direction ring, fixed connection can be dismantled in the second tread ring in the guide wheel body and/or on the direction ring, just the external diameter of direction ring is greater than the external diameter of first tread ring with the external diameter of second tread ring.
Preferably, the centre line of the axial through bore is collinear or non-collinear with the centre line of the guide wheel body.
Preferably, the inner ring surface of the guide ring is connected with the wheel surface of the guide wheel body through a flat key or a spline.
Preferably, the wheel surface of the guide wheel body is provided with an external spline, the inner annular surface of the guide ring is provided with an internal spline, and the guide wheel body is connected with the guide ring through a spline;
the length of the guide circular ring in the axial direction is smaller than that of the guide wheel body in the axial direction, and the two tread circular rings of the guide device of the crawler excavator are respectively installed on two sides of the guide circular ring through the matching of the internal splines of the inner rings and the external splines on the guide wheel body.
Preferably, an end face of each of the first tread ring and the second tread ring, which is far away from the guide wheel body, extends inwards along a respective radial direction to form a limiting ring, the limiting ring is used for axially limiting the guide wheel body, and the rotating shaft penetrates through the limiting ring.
Preferably, a plurality of first mounting holes are formed in the first tread ring and the second tread ring respectively, second mounting holes matched with the first mounting holes in number are formed in the two end faces of the guide wheel body and/or the two end faces of the guide ring, the first mounting holes and the second mounting holes are used for mounting the first tread ring and the second tread ring, and the first tread ring and the second tread ring are fixed through screws or bolts respectively.
Preferably, the lateral symmetry planes of the guide rings and the guide wheels are arranged coplanar or non-coplanar.
Preferably, an annular sealing groove is formed in each of the first tread ring and the second tread ring, and a sealing ring is placed in the annular sealing groove of each of the first tread ring and the second tread ring and used for sealing with the guide wheel body.
The invention also provides a crawler excavator, which comprises the guide device of the crawler excavator.
The guide device of the crawler excavator and the crawler excavator provided by the invention adapt to the requirements of similar tonnage models by matching the guide wheel body, the tread ring and the guide ring. The method comprises the steps of producing guide wheel bodies in batches and producing tread circular rings and guide circular rings for machine types. The new model of machine can only produce new tread ring and guide ring according to the requirement.
The guide device of the crawler excavator provided by the invention has the advantages that only the tread ring needs to be replaced during maintenance, and meanwhile, the logistics cost of spare parts is reduced.
Drawings
FIG. 1 is a schematic view of the operation of the guide apparatus;
FIG. 2 is a schematic illustration of the installation of a guide on a stringer of a crawler excavator;
FIG. 3 is an exploded schematic view of the guide;
FIG. 4 is a schematic view of the structure of the guide device;
FIG. 5 is a schematic view of a bolt fixing alternative;
FIG. 6 is a schematic view of a tread ring having an inner ring spline;
FIG. 7 is a schematic view of the structure of the guide wheel body;
wherein, 1-a guiding device; 101-a guide wheel body; 1011-external spline; 1012-first step female ring; 1013-a second stepped female ring; 1014-a second mounting hole; 102-a screw; 103-a first tread ring; 1032-internal spline; 1033-a first mounting hole; 104-a second tread ring; 105-a guide ring; 2, a crawler belt; 3-longitudinal beams; 4-tensioning spring.
Detailed Description
The following provides a guide device for a crawler excavator and a crawler excavator, which are provided by the invention and are further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the appended claims and the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. The same or similar reference numbers in the drawings identify the same or similar elements.
Example one
Fig. 1 is a schematic working diagram of a guide device 1, fig. 2 is a schematic mounting diagram of the guide device 1 on a longitudinal beam 3 of a crawler excavator, fig. 3 is a schematic exploded diagram of the guide device 1, fig. 4 is a schematic structural diagram of the guide device 1, fig. 5 is a schematic diagram of a bolt fixing alternative, fig. 6 is a schematic structural diagram of a tread ring with an inner ring spline, fig. 7 is a schematic structural diagram of a guide wheel body 101, please refer to fig. 1-7, the invention provides a guide device 1 of a crawler excavator, which comprises a guide wheel body 101 provided with an axial through hole, a rotating shaft penetrates through the axial through hole of the guide wheel body 101, and the guide wheel body 101 rotates around the rotating shaft;
the inner ring surface of the guide ring 105 is connected with the wheel surface of the guide wheel body 101 through a key or a pin, the center line of the guide ring 105 is collinear with the center line of the axial through hole, the guide wheel body 101 drives the guide ring 105 to do circular motion, and the guide ring 105 is used for guiding the track 2 to move;
the first tread ring 103 and the second tread ring 104 are respectively arranged on two sides of the guide ring 105, the first tread ring 103 and the second tread ring 104 are used for axially limiting the guide ring 105 and the guide wheel body 101, the first tread ring 103 is detachably and fixedly connected to the guide wheel body 101 and/or the guide ring 105, the second tread ring 104 is detachably and fixedly connected to the guide wheel body 101 and/or the guide ring 105, and the outer diameter of the guide ring 105 is larger than the outer diameter of the first tread ring 103 and the outer diameter of the second tread ring 104;
the two ends of the rotating shaft are connected with the tension springs 4, the guide device 1 and the tension springs 4 are connected together and installed on a longitudinal beam 3 of the crawler excavator, and the crawler 2 surrounds the longitudinal beam 3 of the whole crawler excavator by bypassing the guide device 1.
The guide device 1 of the crawler excavator provided by the invention meets the requirements of similar tonnage models through the matching of the guide wheel body 101, the tread ring and the guide ring 105; the guide wheel body 101 is produced in batch, the tread ring and the guide ring 105 are produced according to the models, the models of the new models only need to produce the new tread ring and the new guide ring 105 according to requirements, and meanwhile, the maintenance cost is reduced.
Further, the central axis of the axial through hole is collinear or non-collinear with the central axis of the guide wheel body 101.
Further, the inner annular surface of the guide ring 105 is connected with the wheel surface of the guide wheel body 101 through a flat key or a spline.
Further, the wheel surface of the guide wheel body 101 is provided with external splines 1011, the inner annular surface of the guide ring 105 is provided with internal splines 1032, and the guide wheel body 101 and the guide ring 105 are connected through splines, so that the relative rotation between the guide wheel body 101 and the guide ring 105 can be prevented;
the length of the guide ring 105 in the axial direction thereof is smaller than that of the guide wheel body 101 in the axial direction thereof, and the two tread rings of the guide device 1 of the crawler excavator are respectively installed on two sides of the guide ring 105 through the matching of the inner splines 1032 of the respective inner rings and the outer splines 1011 on the guide wheel body;
the external splines 1011 on the guide wheel body 101 may be divided into three sections of first, second and third external splines 1011, 1011 are connected to the guide ring 105 by the first external splines 1011, connected to the first tread ring 103 by the second external splines 1011, connected to the second tread ring 104 by the third external splines 1011, and the second and third external splines 1011 are provided on both sides of the first external splines 1011, it should be appreciated that such a limitation is only used to exemplify the form of the structure of the external splines 1011 on the guide wheel body 101, and the external splines 1011 on the guide wheel body 101 may be provided with the same external splines 1011, and in this case, the structures of the internal splines 1032 of the guide ring 105, the first tread ring 103 and the second tread ring 104 are the same.
Further, an end surface of the first tread ring 103, which is far away from the guide wheel body 101, extends inwards along the radial direction thereof to form a first limit ring, an end surface of the second tread ring 104, which is far away from the guide wheel body 101, extends inwards along the radial direction thereof to form a second limit ring, the first limit ring and the second limit ring are used for axially limiting the guide wheel body 101, and the rotating shaft penetrates through the first limit ring and the second limit ring respectively.
Further, two end surfaces of the guide wheel body 101 are recessed inwards along the axial direction thereof to form a first stepped concave ring 1012 and a second stepped concave ring 1013, the first stepped concave ring 1012 is used for accommodating the first limit ring, and the second stepped concave ring 1013 is used for accommodating the second limit ring, so as to facilitate the installation between the guide device 1 and the tension spring 4.
Further, a plurality of first mounting holes 1033 are respectively formed in the first tread ring 103 and the second tread ring 104, second mounting holes 1014, the number of which is matched with that of the first mounting holes 1033, are formed in two end surfaces of the guide wheel body 101 and/or two end surfaces of the guide ring 105, the first mounting holes 1033 and the second mounting holes 1014 are used for mounting the first tread ring 103 and the second tread ring 104, and the first tread ring 103 and the second tread ring 104 are respectively fixed by screws 102 or bolts.
Further, the first mounting hole 1033 may be formed in the first stopper ring and the second stopper ring as required.
Further, the lateral symmetry planes of the guide rings 105 and the guide wheel body 101 are arranged in a coplanar or non-coplanar manner.
Further, an annular sealing groove is respectively formed in the first tread ring 103 and the second tread ring 104, and a sealing ring is placed in the annular sealing groove of the first tread ring 103 and the second tread ring 104 and used for sealing with the guide wheel body 101, so that the matching part of the tread ring and the guide wheel body 101 is prevented from being rusted.
Example two
The invention also provides a crawler excavator, which comprises the guide device 1 of the crawler excavator. The requirements of models with similar tonnage are met by matching the guide wheel body 101, the tread ring and the guide ring 105; the guide wheel body 101 is produced in batch, the tread ring and the guide ring 105 are produced according to the models, the models of the new models only need to produce the new tread ring and the new guide ring 105 according to requirements, and meanwhile, the maintenance cost is reduced.
In summary, the guide device of the crawler excavator and the crawler excavator provided by the invention adapt to the requirements of similar tonnage models through the matching of the guide wheel body, the tread ring and the guide ring. The method comprises the steps of producing guide wheel bodies in batches and producing tread circular rings and guide circular rings for machine types. The new model of machine can only produce new tread ring and guide ring according to the requirement.
The guide device of the crawler excavator provided by the invention has the advantages that only the tread ring needs to be replaced during maintenance, and meanwhile, the logistics cost of spare parts is reduced.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (9)
1. A guiding device of a crawler excavator is characterized in that: comprises that
The guide wheel body is provided with an axial through hole, a rotating shaft penetrates through the axial through hole of the guide wheel body, and the guide wheel body rotates around the rotating shaft;
the inner ring surface of the guide ring is connected with the wheel surface of the guide wheel body through a key or a pin, the central axis of the guide ring is collinear with the central axis of the axial through hole, the guide wheel body drives the guide ring to do circular motion, and the guide ring is used for guiding a crawler belt to move;
set up respectively in the first tread ring and the second tread ring of direction ring both sides, first tread ring with the second tread ring is used for right the direction ring with the guide wheel body carries out the axial spacing, fixed connection can be dismantled to first tread ring in the guide wheel body and/or on the direction ring, fixed connection can be dismantled in the second tread ring in the guide wheel body and/or on the direction ring, just the external diameter of direction ring is greater than the external diameter of first tread ring with the external diameter of second tread ring.
2. The guide of a crawler-type excavator according to claim 1, wherein: the central axis of the axial through hole is collinear or non-collinear with the central axis of the guide wheel body.
3. The guide of a crawler-type excavator according to claim 1, wherein: the inner ring surface of the guide circular ring is connected with the wheel surface of the guide wheel body through a flat key or a spline.
4. The guide of a crawler-type excavator according to claim 1, wherein:
the wheel surface of the guide wheel body is provided with an external spline, the inner ring surface of the guide ring is provided with an internal spline, and the guide wheel body is connected with the guide ring through a spline;
the length of the guide circular ring in the axial direction is smaller than that of the guide wheel body in the axial direction, and the two tread circular rings of the guide device of the crawler excavator are respectively installed on two sides of the guide circular ring through the matching of the internal splines of the inner rings and the external splines on the guide wheel body.
5. The guide of a crawler-type excavator according to claim 4, wherein: the first tread ring and the second tread ring respectively keep away from one end face of the guide wheel body and inwards extend along respective radial direction to form a limiting ring, the limiting ring is used for axially limiting the guide wheel body, and the rotating shaft penetrates through the limiting ring.
6. The guide of a crawler-type excavator according to claim 4, wherein: the first tread ring with be provided with the first mounting hole of a plurality of on the second tread ring respectively, two terminal surfaces of guide wheel body and/or be provided with on two terminal surfaces of direction ring with first mounting hole quantity assorted second mounting hole, first mounting hole with the second mounting hole is used for the installation first tread ring with the second tread ring, first tread ring with the second tread ring is respectively through screw or bolt fastening.
7. The guide of a crawler-type excavator according to claim 1, wherein:
the transverse symmetrical surfaces of the guide circular ring and the guide wheel body are arranged in a coplanar or non-coplanar manner.
8. The guide of a crawler-type excavator according to claim 1, wherein: an annular sealing groove is formed in each of the first tread ring and the second tread ring, and a sealing ring is placed in the annular sealing groove of each of the first tread ring and the second tread ring and used for sealing between the guide wheel bodies.
9. A crawler-type excavator is characterized in that: guide means comprising a crawler excavator according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010034592.4A CN111071360A (en) | 2020-01-14 | 2020-01-14 | Guiding device of crawler excavator and crawler excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010034592.4A CN111071360A (en) | 2020-01-14 | 2020-01-14 | Guiding device of crawler excavator and crawler excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111071360A true CN111071360A (en) | 2020-04-28 |
Family
ID=70323146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010034592.4A Pending CN111071360A (en) | 2020-01-14 | 2020-01-14 | Guiding device of crawler excavator and crawler excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111071360A (en) |
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2020
- 2020-01-14 CN CN202010034592.4A patent/CN111071360A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Address after: No.39, Gaoxin Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Applicant after: XCMG EXCAVATOR MACHINERY Co.,Ltd. Address before: 221100 Jiangsu city of Xuzhou province Xuzhou City Economic and Technological Development Zone of High Road No. 39 Applicant before: XCMG EXCAVATOR MACHINERY Co.,Ltd. |