CN215594176U - Crawler type bulldozer - Google Patents
Crawler type bulldozer Download PDFInfo
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- CN215594176U CN215594176U CN202121362117.6U CN202121362117U CN215594176U CN 215594176 U CN215594176 U CN 215594176U CN 202121362117 U CN202121362117 U CN 202121362117U CN 215594176 U CN215594176 U CN 215594176U
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Abstract
The utility model discloses a crawler type bulldozer, and belongs to the technical field of engineering machinery. The crawler-type travelling mechanism is arranged at the bottom of the bulldozer main body; the cab is arranged on the bulldozer main body; the working mechanism comprises a lifting arm and a bucket, one end of the lifting arm is hinged to the bulldozer main body, and the other end of the lifting arm is hinged to the bucket; the power mechanism comprises a first telescopic driving piece and a second telescopic driving piece, one end of the first telescopic driving piece is hinged with the bulldozer main body, the other end of the first telescopic driving piece is hinged with the lifting arm, and the first telescopic driving piece can drive the lifting arm to ascend or descend through telescoping; one end of the second telescopic driving piece is hinged to the lifting arm, the other end of the second telescopic driving piece is hinged to the bucket, and the second telescopic driving piece can drive the bucket to overturn through stretching. The crawler type bulldozer has the functions of bulldozing, excavating and loading, and reduces the construction cost; the crawler dozer has the characteristics of low ground pressure, large traction force and strong climbing capability; it is suitable for mine and quarry with large rock specific gravity.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a crawler type bulldozer.
Background
The excavator has obvious advantages in the aspect of excavation, but the defects of small bucket capacity and poor maneuverability exist in the transferring links of loading, transporting and unloading, so that the efficiency of the excavator in the transferring link is low. The conventional wheel loader is more efficient than an excavator in terms of transportation, but has low self traction force and is easy to get stuck when working under the working conditions of wetlands or soft earthwork. In mines or quarries where rock specific gravity is large, rubber tires of loaders are prone to wear, the loading and unloading efficiency of backhoes is low, and the price and cost of backhoes are high. If a bulldozer, an excavator and a loader are adopted for combined operation, the construction cost is high.
Therefore, there is a need for a crawler dozer capable of performing excavation and loading to solve the above-mentioned technical problems occurring in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a crawler dozer which has the functions of dozing, excavating and loading, and reduces the construction cost; the crawler dozer has the characteristics of low ground pressure, large traction force and strong climbing capability; it is suitable for mine and quarry with large rock specific gravity.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a crawler dozer comprising:
a bulldozer main body;
the crawler-type traveling mechanism is arranged at the bottom of the bulldozer main body;
a cab provided in the bulldozer main body;
the working mechanism comprises a lifting arm and a bucket, wherein one end of the lifting arm is hinged to the bulldozer main body, and the other end of the lifting arm is hinged to the bucket;
the power mechanism comprises a first telescopic driving piece and a second telescopic driving piece, one end of the first telescopic driving piece is hinged with the bulldozer main body, the other end of the first telescopic driving piece is hinged with the lifting arm, and the first telescopic driving piece can drive the lifting arm to ascend or descend through telescoping; the flexible driving piece of second one end with the lift arm is articulated, the other end with the scraper bowl is articulated, the flexible driving piece of second can drive through flexible the scraper bowl upset.
As a preferable technical solution of the crawler dozer, the power mechanism further includes:
one end of the third telescopic driving piece is connected with the lifting arm, and the other end of the third telescopic driving piece is hinged with the second telescopic driving piece; the third telescopic driving piece can drive the bucket to ascend or descend through telescopic.
As a preferable mode of the crawler dozer, the work mechanism further includes:
one end of the guide rod is connected to the lifting arm in a sliding and telescopic mode, the other end of the third telescopic driving piece is connected with the other end of the guide rod, and the second telescopic driving piece is hinged to the other end of the guide rod.
As a preferred solution for the crawler dozer, said third telescopic drive is a third hydraulic cylinder.
As a preferable mode of the crawler dozer, the work mechanism further includes:
one end of the front arm is connected with the lifting arm, and the other end of the front arm is hinged with the bucket; one end of the second telescopic driving piece is hinged with the front arm.
As a preferred technical scheme of crawler-type bull-dozer, the forearm includes integrated into one piece's first linking arm and second linking arm, first linking arm with the second linking arm is the obtuse angle and connects, first linking arm with the lift arm is connected, the second linking arm with the scraper bowl is articulated.
As a preferred technical scheme of the crawler dozer, the front arm is of a hollow structure, and reinforcing ribs are arranged at the hollow structure of the front arm.
As a preferred technical scheme of the crawler dozer, the first telescopic driving piece is a first hydraulic cylinder; the second telescopic driving piece is a second hydraulic cylinder.
As a preferable technical scheme of the crawler dozer, the blade of the bucket is in an M shape.
As a preferable technical scheme of the crawler type bulldozer, the bulldozer main body comprises a hydraulic driving system, and the hydraulic driving system is connected with the crawler type walking mechanism.
The utility model provides a crawler dozer, which comprises a dozer body, a crawler traveling mechanism, a cab, a working mechanism and a power mechanism, wherein the crawler traveling mechanism has the characteristics of low specific grounding pressure, large traction force and strong climbing capability compared with a wheel type traveling mechanism; compared with rubber tires, the wear-resistant metal chassis of the crawler-type travelling mechanism is more suitable for mines and quarries with large rock specific gravity; when the first telescopic driving piece and the second telescopic driving piece are both in a contraction state, the bucket is in a bulldozing state, and the bucket can be driven to bulldoze by moving the crawler-type travelling mechanism; when the second telescopic driving piece extends out, the bucket turns over, and the cutting edge of the bucket inclines downwards to realize the function of digging; when the first telescopic driving piece stretches, the lifting arm can be driven to ascend or descend, so that the bucket ascends or descends, the bucket is overturned by matching with the second telescopic driving piece, and the loading function of the bulldozer is realized.
Drawings
FIG. 1 is a side view of a track type dozer in one state as provided by the exemplary embodiment of the present invention;
FIG. 2 is a side view of a track dozer in another state as provided by the exemplary embodiment of the present invention.
Reference numerals:
1. a bulldozer main body; 2. a crawler-type traveling mechanism; 3. a cab;
4. a working mechanism; 41. a lift arm; 42. a bucket; 43. a forearm; 44. a guide bar;
5. a power mechanism; 51. a first hydraulic cylinder; 52. a second hydraulic cylinder; 53. and a third hydraulic cylinder.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 and 2, the present embodiment provides a crawler dozer including a dozer body 1, a crawler travel mechanism 2, a cab 3, a work mechanism 4, and a power mechanism 5, wherein the crawler travel mechanism 2 is provided at the bottom of the dozer body 1; the cab 3 is provided on the bulldozer body 1; the working mechanism 4 and the power mechanism 5 are uniformly distributed on the front side of the cab 3; the working mechanism 4 comprises a lifting arm 41 and a bucket 42, one end of the lifting arm 41 is hinged to the bulldozer main body 1, and the other end of the lifting arm is hinged to the bucket 42; the power mechanism 5 comprises a first telescopic driving piece and a second telescopic driving piece, one end of the first telescopic driving piece is hinged with the bulldozer main body 1, the other end of the first telescopic driving piece is hinged with the lifting arm 41, and the first telescopic driving piece can drive the lifting arm 41 to ascend or descend through telescoping; one end of the second telescopic driving member is hinged to the lifting arm 41, the other end of the second telescopic driving member is hinged to the bucket 42, and the second telescopic driving member can drive the bucket 42 to overturn through stretching.
Compared with a wheel type travelling mechanism, the crawler type travelling mechanism 2 has the characteristics of low specific pressure to ground, large traction force and strong climbing capability, so that the crawler type bulldozer is not easy to trap when in wet land or soft soil operation, and the low specific pressure to ground provides guarantee for the strong loading capability of the crawler type bulldozer; compared with rubber tires, the wear-resistant metal chassis of the crawler type travelling mechanism 2 is more suitable for mines and quarries with large rock specific gravity, and the maintenance cost is reduced; when the first telescopic driving piece and the second telescopic driving piece are both in a contraction state, the bucket 42 is in a bulldozing state, and the moving of the crawler-type travelling mechanism 2 can drive the bucket 42 to bulldoze; when the second telescopic driving piece extends out, the bucket 42 turns over, and the blade of the bucket 42 inclines downwards to realize the digging function; when the first telescopic driving piece extends out and the second telescopic driving piece retracts, the lifting arm 41 rises, the bucket 42 rises along with the first telescopic driving piece, after the unloading area is reached, the second telescopic driving piece extends out, the bucket 42 overturns to finish unloading, the first telescopic driving piece retracts, the lifting arm 41 drives the bucket 42 to descend, and the loading function of the crawler dozer is achieved.
Preferably, the first telescopic drive is a first hydraulic cylinder 51; the second telescopic drive member is a second hydraulic cylinder 52.
Preferably, the working mechanism 4 further comprises a front arm 43, one end of the front arm 43 is connected with the lifting arm 41, and the other end is hinged with the bucket 42; one end of the second telescopic driving member is hinged with the front arm 43. Specifically, the front arm 43 includes a first connecting arm and a second connecting arm integrally formed, the first connecting arm and the second connecting arm are connected at an obtuse angle, the first connecting arm is connected with the lift arm 41, and the second connecting arm is hinged with the bucket 42. The front arm 43 is of a hollow structure, and reinforcing ribs are arranged at the hollow structure of the front arm 43, so that the structural strength of the front arm 43 is improved.
Preferably, the power mechanism 5 further includes a third telescopic driving member, the working mechanism 4 further includes a guide rod 44, a hollow chamber is arranged in the lifting arm 41, one end of the guide rod 44 is slidably and telescopically connected in the hollow chamber of the lifting arm 41, and the other end is connected with the front arm 43; one end of the third telescopic driving member is hinged to the lifting arm 41, the other end of the third telescopic driving member is connected with the front arm 43, the third telescopic driving member can drive the front arm 43 to ascend or descend through telescoping, so as to drive the bucket 42 to ascend or descend, and when the third telescopic driving member is telescopic, the guide rod 44 slides in the hollow cavity of the lifting arm 41 in a telescopic mode, so that a guiding effect is achieved. When the third telescopic drive member is retracted, the guide rod 44 is retracted into the hollow chamber of the lifting arm 41, effectively saving space. The cooperation of the first flexible driving piece of third flexible driving piece realizes promoting the second grade of forearm 43, and the mode that sets up of two promotion pieces not only can provide controllable uninstallation height for crawler dozer, is favorable to shortening crawler dozer's complete machine length moreover, guarantees the bulldozing stability of complete machine. In this embodiment the third telescopic drive is a third hydraulic cylinder 53.
Preferably, the blade of the bucket 42 is "M" shaped, such that the blade of the bucket 42 is suitable for dozing, loading, and digging functions.
Preferably, the bulldozer main body 1 comprises a hydraulic driving system, the hydraulic driving system is connected with the crawler type travelling mechanism 2, and the hydraulic driving system controls the crawler type travelling mechanism 2 to travel, so that the crawler type bulldozer has better maneuverability and can realize functions of stepless speed change, steering and in-situ reversal.
The bulldozer main body 1 further comprises an engine, a heat dissipation water tank, a temperature control fan and other structures which are uniformly distributed behind the cab 3. The bulldozer body 1 further includes a fuel tank and a working oil tank, which are disposed uniformly on the front side of the cab 3.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. A crawler dozer, comprising:
a bulldozer body (1);
a crawler-type traveling mechanism (2) provided at the bottom of the bulldozer body (1);
a cab (3) provided on the bulldozer body (1);
the working mechanism (4) comprises a lifting arm (41) and a bucket (42), one end of the lifting arm (41) is hinged to the bulldozer main body (1), and the other end of the lifting arm is hinged to the bucket (42);
the power mechanism (5) comprises a first telescopic driving piece and a second telescopic driving piece, one end of the first telescopic driving piece is hinged with the bulldozer main body (1), the other end of the first telescopic driving piece is hinged with the lifting arm (41), and the first telescopic driving piece can drive the lifting arm (41) to ascend or descend through telescoping; one end of the second telescopic driving piece is hinged to the lifting arm (41), the other end of the second telescopic driving piece is hinged to the bucket (42), and the second telescopic driving piece can drive the bucket (42) to overturn through stretching.
2. A crawler dozer as claimed in claim 1, characterised in that said power mechanism (5) further comprises:
one end of the third telescopic driving piece is connected with the lifting arm (41), and the other end of the third telescopic driving piece is hinged with the second telescopic driving piece; the third telescopic driving member can drive the bucket (42) to ascend or descend through telescopic.
3. A crawler dozer as claimed in claim 2, characterised in that said work means (4) further comprises:
and one end of the guide rod (44) is connected to the lifting arm (41) in a sliding and telescopic manner, the other end of the third telescopic driving piece is connected with the other end of the guide rod (44), and the second telescopic driving piece is hinged to the other end of the guide rod (44).
4. A track dozer as claimed in claim 2 wherein said third telescopic drive is a third hydraulic cylinder (53).
5. A crawler dozer as claimed in any one of claims 1 to 4 wherein said work mechanism (4) further comprises:
a front arm (43) with one end connected to the lifting arm (41) and the other end hinged to the bucket (42); one end of the second telescopic driving piece is hinged with the front arm (43).
6. A crawler dozer as claimed in claim 5 wherein said front arm (43) comprises a first and a second integral link arm, said arms being connected at an obtuse angle, said arm being connected to said lift arm (41) and said arm being hinged to said bucket (42).
7. A crawler dozer as claimed in claim 5 wherein said front arm (43) is of hollow construction and reinforcing ribs are provided at the hollow construction of said front arm (43).
8. A crawler dozer as claimed in any one of claims 1 to 4 wherein said first telescopic drive is a first hydraulic cylinder (51); the second telescopic driving member is a second hydraulic cylinder (52).
9. A crawler dozer as claimed in claim 1 wherein the blade of said bucket (42) is "M" shaped.
10. A crawler dozer as claimed in claim 1, characterised in that said dozer body (1) comprises a hydraulic drive system connected to said crawler track (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121362117.6U CN215594176U (en) | 2021-06-18 | 2021-06-18 | Crawler type bulldozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121362117.6U CN215594176U (en) | 2021-06-18 | 2021-06-18 | Crawler type bulldozer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215594176U true CN215594176U (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121362117.6U Active CN215594176U (en) | 2021-06-18 | 2021-06-18 | Crawler type bulldozer |
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| CN (1) | CN215594176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115748857A (en) * | 2022-11-30 | 2023-03-07 | 徐工集团工程机械股份有限公司 | Bulldozing device and engineering truck |
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2021
- 2021-06-18 CN CN202121362117.6U patent/CN215594176U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115748857A (en) * | 2022-11-30 | 2023-03-07 | 徐工集团工程机械股份有限公司 | Bulldozing device and engineering truck |
| CN115748857B (en) * | 2022-11-30 | 2023-08-15 | 徐工集团工程机械股份有限公司 | Bulldozing device and engineering truck |
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