CN218952284U - Land leveler - Google Patents
Land leveler Download PDFInfo
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- CN218952284U CN218952284U CN202223121057.6U CN202223121057U CN218952284U CN 218952284 U CN218952284 U CN 218952284U CN 202223121057 U CN202223121057 U CN 202223121057U CN 218952284 U CN218952284 U CN 218952284U
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- connecting plate
- scraper
- side ditch
- width
- vehicle body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model relates to the technical field of road surface machinery, in particular to a land leveller, which comprises a vehicle body and a scraper, wherein the lower part of the scraper is connected with a connecting plate, the scraper is relatively fixed with the connecting plate, the connecting plate is detachably connected with the scraper, and the connecting plate is arranged at the lower part of the scraper and is used for excavating wind-blown sand subgrade in the running process of the land leveller, so that the side ditch excavation work of the wind-blown sand subgrade is rapidly completed; scraper and connecting plate relatively fixed for connecting plate and scraper are in the same place at the during operation connection fastening, because the connecting plate is fixed, carry out the side ditch of excavation through the connecting plate, the width of its side ditch bottom is unanimous and the side slope of side ditch can keep unanimously, and then guaranteed the uniformity of side ditch size, reduced artifical smooth process, reduced personnel and mechanical input, because connecting plate and scraper detachable are connected, excavate not unidimensional side ditch through changing not unidimensional connecting plate, application scope is more extensive.
Description
Technical Field
The utility model relates to the technical field of pavement machinery, in particular to a land leveler.
Background
Along with the development and implementation of traffic projects in desert areas, construction technology of taking aeolian sand as roadbed filler in desert areas is a focus of attention, particularly in low-filling shallow excavation sections, side ditches are required to be excavated for the roadbed in the low-filling shallow excavation sections in order to isolate easy salt on two sides of the roadbed, and isolation layers are paved to prevent easy salt from corroding the roadbed. At present, an excavator is mainly adopted for side ditch excavation operation, manual leveling is needed after side ditch excavation, time and labor are wasted, and as the aeolian sand is too fast in water loss, the side ditch size is difficult to control and is extremely easy to lose water and collapse, the improvement of the roadbed side ditch excavation technology of the low-filling shallow excavation section is increasingly important.
Therefore, there is a need for an apparatus for rapidly digging a wind-blown sand subgrade side ditch, reducing manual use while improving construction efficiency, and shortening construction period.
Disclosure of Invention
The utility model aims at: aiming at the problems existing in the background technology, the land leveler is used for quickly digging the wind-blown sand subgrade side ditch, so that the construction efficiency is improved, the manual use is reduced, and the construction period is shortened.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a grader, includes automobile body and scraper, the scraper lower part is connected with the connecting plate, the scraper with the connecting plate is fixed relatively, the connecting plate with the scraper detachable connection.
According to the grader, the connecting plate is arranged at the lower part of the scraper and is used for excavating the aeolian sand subgrade in the running process of the grader, so that the side ditch excavation work of the aeolian sand subgrade is completed rapidly; scraper and connecting plate relatively fixed for connecting plate and scraper are in the same place at the during operation connection fastening, further, because the connecting plate is fixed, carry out the side ditch of excavation through the connecting plate, the width of its side ditch bottom is unanimous and the side slope of side ditch can keep unanimously, and then guaranteed the uniformity of side ditch size, reduced artifical smooth process, reduced personnel and mechanical input, at accurate control side ditch size simultaneously, effectively practice thrift construction cost, further, because connecting plate and scraper detachable are connected, excavate the side ditch of equidimension through changing not unidimensional connecting plate, application scope is more extensive.
As the preferable scheme of the utility model, the top of the connecting plate is flush with the bottom of the scraper, the width of the top of the connecting plate is smaller than the width of the bottom of the scraper along the width direction of the vehicle body, and the bottom of the scraper is contacted with the ground and flush with the ground when the grader works, so that the top of the connecting plate is flush with the ground, the connecting plate is convenient for side ditch excavation, meanwhile, the scraper can push out sand brought out of the side ditches excavated by the connecting plate from the two sides of the scraper in the running process of the grader on the wind-blown sand subgrade, and the width of the top of the connecting plate is smaller than the width of the bottom of the scraper along the width direction of the vehicle body, so that the sand pushed out from the two sides of the scraper is prevented from falling into the excavated side ditches.
As a preferable scheme of the utility model, along the width direction of the vehicle body, the bottom width of the connecting plate is smaller than the top width of the connecting plate, so that the side ditch excavated by the connecting plate has a slope inclined outwards, namely, the width of the top of the side ditch is larger than the width of the bottom of the side ditch, and the side ditch after excavation is not easy to collapse.
As a preferable scheme of the utility model, the top of the connecting plate is provided with a connecting part in an upward protruding way, the connecting part is used for connecting the scraper, and the connecting plate is connected with the scraper through the connecting part.
As a preferable scheme of the utility model, the connecting part is provided with a connecting bolt hole, the scraper is provided with a scraper bolt hole corresponding to the connecting bolt hole, the connecting bolt hole is connected with the scraper bolt hole through a bolt, and the connecting plate is connected with the scraper through the bolt, so that the scraper is convenient to install and detach.
As a preferable aspect of the present utility model, the width of the bottom of the connecting plate is adapted to the width of the wheels of the vehicle body in the vehicle width direction.
As a preferable scheme of the utility model, one side of the connecting plate along the running direction of the vehicle body is provided with a groove, and the groove is positioned at the bottom of the connecting plate.
As a preferable scheme of the utility model, the connecting plate is a quadrangular plate.
As a preferable scheme of the utility model, the plate thickness of the connecting plate is more than or equal to 10mm, and the bending of the connecting plate in the process of digging side ditches due to over-thinness is avoided.
As a preferable scheme of the utility model, a rubber pad is arranged between the scraper and the connecting plate, and the rubber pad is arranged to buffer friction between the scraper and the connecting plate, so that the service lives of the scraper and the connecting plate are prolonged.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
according to the grader, the connecting plate is arranged at the lower part of the scraper and is used for excavating the aeolian sand subgrade in the running process of the grader, so that the side ditch excavation work of the aeolian sand subgrade is completed rapidly; scraper and connecting plate relatively fixed for connecting plate and scraper are in the same place at the during operation connection fastening, further, because the connecting plate is fixed, carry out the side ditch of excavation through the connecting plate, the width of its side ditch bottom is unanimous and the side slope of side ditch can keep unanimously, and then guaranteed the uniformity of side ditch size, reduced artifical smooth process, reduced personnel and mechanical input, at accurate control side ditch size simultaneously, effectively practice thrift construction cost, further, because connecting plate and scraper detachable are connected, excavate the side ditch of equidimension through changing not unidimensional connecting plate, application scope is more extensive.
Drawings
Fig. 1 is a schematic view of a grader according to the present utility model.
Fig. 2 is a partial enlarged view of fig. 1.
Fig. 3 is a schematic diagram showing the connection of a scraper of the grader with a connection plate according to the present utility model.
Fig. 4 is a schematic view of a connecting plate structure of a grader according to the present utility model.
Fig. 5 is a left side view of fig. 4.
The marks in the figure: 1-car body, 2-scraper, 3-connecting bolt, 4-connecting plate, 41-groove, 42-connecting bolt hole, 43-connecting part, 5-angle regulator, 6-height regulator, 7-bolt gasket, 8-rubber pad.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1-2, the grader comprises a vehicle body 1 and a scraper 2, wherein a connecting plate 4 is arranged at the lower part of the scraper 2, the scraper 2 is relatively fixed with the connecting plate 4, and the connecting plate 4 is detachably connected with the scraper 2.
According to the grader, the connecting plate 4 is arranged at the lower part of the scraper 2 and is used for excavating the aeolian sand subgrade in the running process of the grader, so that the side ditch excavation work of the aeolian sand subgrade is completed rapidly; scraper 2 and connecting plate 4 are relatively fixed for connecting plate 4 and scraper 2 are in the same place at the during operation connection fastening, further, because the size of connecting plate 4 is fixed, carry out the side ditch of excavation through connecting plate 4, the width of its side ditch bottom is unanimous and the side slope of side ditch can keep unanimously, and then guaranteed the uniformity of side ditch size, the process of having reduced artifical leveling, personnel and machinery's input has been reduced, at accurate control side ditch size simultaneously, effectively practice thrift construction cost, further, because connecting plate 4 is connected with scraper 2 detachable, excavate the side ditch of equidimension through changing not unidimensional connecting plate 4, application scope is more extensive.
The land leveler is a main machine for ground shaping and leveling operation, is widely used for ground leveling operation of large areas such as highways and airports, and comprises a vehicle body 1 and a scraper 2, wherein a control room and a driving mechanism are installed on the vehicle body 1, the driving mechanism drives the vehicle body 1 to move, the scraper 2 is installed at the lower part of the vehicle body 1, the scraper 2 is a rectangular plate, an arc-shaped blade is arranged at the bottom of the scraper 2, and when the land leveler is in operation, the bottom of the scraper 2 is controlled to be in contact with the ground and level with the ground, and the scraper 2 connected with the lower part of the vehicle body 1 pushes away a soil pile, a small stone and the like protruding on the ground in the running process of the land leveler, so that the ground becomes flat, and the leveling operation on the ground is completed.
As shown in fig. 3-4, along the width direction of the vehicle body 1, the bottom width of the connecting plate 4 is smaller than the top width of the connecting plate 4, so that the side ditch excavated by the connecting plate 4 has a slope inclined outwards, namely, the width of the top of the side ditch is larger than the width of the bottom of the side ditch, and therefore, the excavated side ditch is not easy to collapse.
As shown in fig. 3, the top of the connecting plate 4 is flush with the bottom of the scraper 2, the bottom of the scraper 2 is contacted with the ground and flush with the ground during the working of the grader, so that the top of the connecting plate 4 is flush with the ground, the connecting plate 4 is convenient for side ditch excavation, further, in the running process of the grader on the wind-blown sand subgrade, the scraper 2 of the grader can push the sand excavated by the connecting plate 4 to the two sides of the scraper 2, and the width of the top of the connecting plate 4 is smaller than the width of the bottom of the scraper 2 along the width direction of the vehicle body 1, namely the width of the top of the excavated side ditch is smaller than the width of the bottom of the scraper 2, so that the sand pushed out by the two sides of the scraper is positioned at the two sides of the side ditch, and the sand pushed out by the two sides of the scraper is prevented from falling into the excavated side ditch.
As shown in fig. 4, the top of the connecting plate 4 is provided with a connecting portion 43 in an upward protruding manner, a plurality of connecting bolt holes 42 are formed in the connecting portion 43, scraper bolt holes corresponding to the connecting bolt holes 42 are formed in the contact area of the scraper 2 and the connecting portion 43, the connecting bolt holes 42 are connected with the scraper bolt holes through the connecting bolts 3, so that the connecting plate 4 and the scraper 2 are fastened together, and due to the fact that the connecting plate 4 is connected through bolts, the connecting plate 4 is convenient to install and detach, further, the size of the connecting portion 43, the number of the connecting bolt holes 42 and the model of the connecting bolts 3 are adjusted according to the excavation requirements of different geological conditions, but the minimum model of the connecting bolts 3 must not be lower than M20, and the aperture of the connecting bolt holes 42 is adjusted according to the model of the connecting bolts 3.
In a preferred manner, as shown in fig. 2, when the scraper 2 and the connecting plate 4 are connected through the connecting bolt 3, a bolt gasket 7 is arranged on one side of the scraper 2 away from the connecting plate 4, and a bolt gasket 7 is also arranged on one side of the connecting plate 4 away from the scraper 2, so that the connecting bolt 3 fixes the scraper 2 and the connecting plate 4 more tightly through the arrangement of the bolt gasket 7.
In a preferred manner, as shown in fig. 5, a groove 41 is formed on one side of the connecting plate 4 along the running direction of the vehicle body 1, and the groove 41 is located at the bottom of the connecting plate 4, so that the connecting plate 4 can conveniently excavate side ditches.
In a preferred manner, as shown in fig. 1, an angle regulator 5 and a height regulator 6 are also installed between the vehicle body 1 and the scraper 2, and the distance between the scraper 2 and the ground is regulated by the height regulator 6 so as to regulate the distance between the connecting plate 4 and the ground; the angle of the doctor blade 2, i.e. the angle of the connecting plate 4, can be adjusted by means of the angle adjuster 5.
In a preferred mode, the width of the bottom of the connecting plate 4 is matched with the width of the wheels of the vehicle body 1 along the width direction of the vehicle body 1, so that the wheels on one side of the grader enter the bottom of the side ditch, and the wheels entering the side ditch roll the bottom of the side ditch in the running process of the grader so as to ensure that the surface of the bottom of the side ditch is in a flat and compact state after the side ditch is formed, thereby saving the subsequent working procedure of tamping the bottom of the side ditch and improving the construction efficiency.
In a preferred mode, the thickness of the connecting plate 4 is greater than or equal to 10mm, so that the connecting plate 4 is prevented from being too thin to bend in the process of digging a side ditch.
Preferably, the connecting plate 4 is made of Q345 steel plate, so as to enhance the strength of the connecting plate 4.
The method for excavating side ditches by using the grader comprises the following steps:
step S1, filling and rolling the aeolian sand roadbed before excavation;
step S2: accurately positioning and paying off according to the central line of the roadbed after rolling is finished, extending the top side piles of the roadbed to the outer slope line of the side ditch every 20 meters, and marking the top side piles as a reference for positioning and paying off in the whole construction;
step S3: then, manufacturing a connecting plate 4 with the size corresponding to the design size of the side ditch according to the design size of the side ditch, fixedly connecting the connecting plate 4 with the scraper 2, enabling the bottom of the scraper 2 to be in contact with the ground and flush with the ground, and in the construction process, in order to avoid damage to the wind-blown sand filled roadbed caused by the too high running speed of the land leveler, causing loss, wherein the running speed of the land leveler in the side ditch construction process must not exceed 15Km/h;
step S4: the land leveler runs along the running direction and performs side ditch excavation operation; when the width of the bottom of the side ditch is larger than or equal to that of the wheel of the land leveler, the wheel on one side of the land leveler is driven into the bottom of the side ditch, and the wheel on one side of the land leveler is used for rolling the bottom of the side ditch, so that the surface of the bottom of the side ditch is in a flat and compact state after the side ditch is formed.
Example 2
On the basis of embodiment 1, as shown in fig. 2, when the scraper 2 is connected with the connecting plate 4, a certain gap exists between the scraper 2 and the connecting plate 4, and the friction between the scraper 2 and the connecting plate 4 is reduced by adding a rubber pad 8 in the gap, so that the scraper 2 and the connecting plate 4 are protected, and the service lives of the scraper 2 and the connecting plate are prolonged.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a grader, its characterized in that includes automobile body (1) and scraper (2), scraper (2) lower part is connected with connecting plate (4), scraper (2) with connecting plate (4) are fixed relatively, connecting plate (4) with scraper (2) detachable connection.
2. A grader according to claim 1, characterized in that the top of the web (4) is flush with the bottom of the blade (2), the top width of the web (4) being smaller than the bottom width of the blade (2) in the width direction of the vehicle body (1).
3. A grader according to claim 2, characterized in that the bottom width of the web (4) is smaller than the top width of the web (4) in the width direction of the vehicle body (1).
4. A grader according to claim 3, characterized in that the top of the connecting plate (4) is provided with a connecting portion (43) protruding upwards, the connecting portion (43) being adapted to connect the blade (2).
5. The grader according to claim 4, wherein a connecting bolt hole (42) is provided in the connecting portion (43), a scraper bolt hole corresponding to the connecting bolt hole (42) is provided in the scraper (2), and the connecting bolt hole (42) is in bolt connection with the scraper bolt hole.
6. A grader according to claim 3, characterized in that the bottom width of the web (4) is adapted to the wheel width of the vehicle body (1) in the width direction of the vehicle body (1).
7. A grader according to claim 1, characterized in that the connecting plate (4) is provided with a bevel (41) on one side in the direction of travel of the vehicle body (1), said bevel (41) being located at the bottom of the connecting plate (4).
8. A grader according to claim 1, characterized in that the connecting plate (4) is a quadrangular plate.
9. A grader according to any one of claims 1-8, wherein the web (4) has a thickness of 10mm or more.
10. A grader according to claim 1, characterized in that a rubber pad (8) is arranged between the blade (2) and the connecting plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223121057.6U CN218952284U (en) | 2022-11-23 | 2022-11-23 | Land leveler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223121057.6U CN218952284U (en) | 2022-11-23 | 2022-11-23 | Land leveler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218952284U true CN218952284U (en) | 2023-05-02 |
Family
ID=86137191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223121057.6U Active CN218952284U (en) | 2022-11-23 | 2022-11-23 | Land leveler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218952284U (en) |
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2022
- 2022-11-23 CN CN202223121057.6U patent/CN218952284U/en active Active
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