CN215330115U - Tool apron for land leveler - Google Patents
Tool apron for land leveler Download PDFInfo
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- CN215330115U CN215330115U CN202120537008.7U CN202120537008U CN215330115U CN 215330115 U CN215330115 U CN 215330115U CN 202120537008 U CN202120537008 U CN 202120537008U CN 215330115 U CN215330115 U CN 215330115U
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- tool apron
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Abstract
A tool apron for a grader comprises a main tool apron, a scraper, an auxiliary tool apron and a first reinforcing plate; the main tool rest comprises a plane part and an arc part which are integrally arranged; the auxiliary tool apron is of an arc-shaped structure, and the top end of the auxiliary tool apron is fixed to the free end of the arc-shaped part in the main tool apron and is positioned on one side of the outer arc surface of the main tool apron; one end of the first reinforcing plate is fixed to the outer arc surface of the arc-shaped part in the main tool apron, and the other end of the first reinforcing plate is fixed to the outer arc surface of the auxiliary tool apron; the scraper is of an arc-shaped structure, and the outer arc surface of the scraper is attached and fixed to the inner arc surface of the auxiliary cutter holder; and the central axes of the circles in which the arc-shaped parts or the arc-shaped structures are respectively arranged in the following three structures are parallel to each other: the main tool apron, the auxiliary tool apron and the scraper. The tool apron disclosed by the utility model is simple in structure, convenient to use, firm and durable, and only the damaged scraper or auxiliary tool apron needs to be replaced when the tool apron is damaged, so that the tool apron does not need to be integrally replaced.
Description
Technical Field
The utility model belongs to the field of manufacturing and maintaining of a land scraper, and particularly relates to a tool apron for the land scraper.
Background
The land leveler is an earthwork machine for leveling the ground by using a scraper, the scraper is usually matched with a cutter holder for use, the existing cutter holder is mostly made of cast iron or cast steel, the wear resistance of the cast iron or cast steel is limited, and the cutter holder is easy to damage; moreover, the extension length of the tool apron can not be adjusted by the tool apron, and the height of the tool apron needs to be adjusted by other mechanisms, so that the tool apron on one side contacting the ground is easy to damage in structure; and present blade holder is the structure as an organic whole mostly, if will change the damage part and need wholly change, lead to the life of blade holder short, also cause the material extravagant.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tool apron for a land leveler, which has the advantages of simple structure, convenience in use, firmness and durability, and only needs to replace a damaged scraper or an auxiliary tool apron when being damaged, and does not need to be replaced integrally.
In order to realize the purpose of the utility model, the following technical scheme is adopted:
a blade holder for a grader, comprising a primary blade holder, a scraper, a secondary blade holder, and a first reinforcement plate;
the main tool rest comprises a plane part and an arc part which are integrally arranged;
the auxiliary tool apron is of an arc-shaped structure, and the top end of the auxiliary tool apron is fixed to the free end of the arc-shaped part in the main tool apron and is positioned on one side of the outer arc surface of the main tool apron;
one end of the first reinforcing plate is fixed to the outer arc surface of the arc-shaped part in the main tool apron, and the other end of the first reinforcing plate is fixed to the outer arc surface of the auxiliary tool apron;
the scraper is of an arc-shaped structure, and the outer arc surface of the scraper is attached and fixed to the inner arc surface of the auxiliary cutter holder;
and the central axes of the circles in which the arc-shaped parts or the arc-shaped structures are respectively arranged in the following three structures are parallel to each other: the main tool apron, the auxiliary tool apron and the scraper.
Preferably, the blade holder further includes a second reinforcing plate, one end of which is fixed to an intrados surface of the arc-shaped portion in the main blade holder, and the other end of which is fixed to an intrados surface of the scraper.
Preferably, the scraper and the auxiliary tool apron are respectively and correspondingly provided with a first bolt hole and a second bolt hole for penetrating a first bolt, and the scraper is fixed to the auxiliary tool apron through the first bolt.
Preferably, the first bolt holes and the second bolt holes are respectively provided with at least 2 rows from top to bottom, and each row has at least 3.
Preferably, the arc radius of the arc-shaped part in the main tool apron is R1, and the arc is alpha; the arc radius of the scraper is R2, and the radian is beta; wherein, R1/R2 is 1.1-1.5, alpha/beta is 0.8-0.9.
Preferably, α is 15 to 30 ° and β is 15 to 35 °.
Preferably, the blade holder further comprises an adjustment plate having a first end secured to a free end of the planar portion of the main blade holder and a second end for attachment to a grader.
Preferably, the main tool apron middle plane part and the adjusting plate are correspondingly provided with a third bolt hole and a fourth bolt hole respectively for penetrating a second bolt, and the adjusting plate is fixed to the main tool apron middle plane part through the second bolt.
Preferably, the third bolt holes are provided in at least 1 row, and each row has at least 3; the fourth bolt hole is provided with 2 at least rows from top to bottom, and every row has 3 at least.
Preferably, the blade angle of the blade is 15-45 °.
The utility model has the beneficial effects that:
the tool apron for the land leveler has the advantages of simple structure, convenience in use, firmness and durability, only needs to replace a damaged scraper or auxiliary tool apron when damaged, does not need to be replaced integrally, and is beneficial to saving materials and reducing cost; and the tool apron is telescopic, can adjust the extension length according to actual need, need not to adjust the height with the help of other mechanisms, is favorable to protecting scraper and the vice tool apron of contact ground one side, improves life.
Drawings
FIG. 1 is a perspective view of a blade holder for a grader in accordance with one embodiment of the present disclosure;
FIG. 2 is a side cross-sectional view of the tool holder of FIG. 1;
FIG. 3 is a perspective view of the tool holder shown in FIG. 1 without a bolt installed;
FIG. 4 is a side cross-sectional view of the tool holder of FIG. 1 without a bolt installed.
Detailed Description
The technical solution and the effects of the present invention will be further explained with reference to the accompanying drawings and the detailed description. The following embodiments are merely illustrative of the present invention, and the present invention is not limited to the following embodiments or examples. Simple modifications of the utility model applying the inventive concept are within the scope of the utility model as claimed.
As shown in fig. 1 to 4, the present invention provides a blade holder for a grader, including a main blade holder 1, a blade 2, an auxiliary blade holder 8, and a first reinforcing plate 7;
the main tool apron 1 comprises a plane part and an arc part which are integrally arranged;
the auxiliary tool apron 8 is of an arc-shaped structure, and the top end of the auxiliary tool apron is fixed to the free end of the arc-shaped part in the main tool apron 1 and is positioned on one side of the outer arc surface of the main tool apron;
one end of the first reinforcing plate 7 is fixed to the outer arc surface of the arc-shaped part in the main tool apron 1, and the other end is fixed to the outer arc surface of the auxiliary tool apron 8;
the scraper 2 is of an arc-shaped structure, and the outer arc surface of the scraper is attached and fixed to the inner arc surface of the auxiliary cutter holder 8;
and the central axes of the circles in which the arc-shaped parts or the arc-shaped structures are respectively arranged in the following three structures are parallel to each other: the main tool apron 1, the auxiliary tool apron 8 and the scraper 2.
The person skilled in the art understands that the joint of the plane part and the arc part in the main tool holder 1 is a straight edge of the arc part; the free end of the arc-shaped part in the main tool apron 1 is also a straight edge, and the joint of the auxiliary tool apron 8 and the auxiliary tool apron is a corresponding straight edge; the first reinforcing plate 7 also has a certain radian, so that the outer arc surface of the arc-shaped part in the main tool apron 1 and the outer arc surface of the auxiliary tool apron 8 are conveniently attached and fixed.
Those skilled in the art will understand that when the top end of the auxiliary tool apron 8 is fixed to the free end of the arc-shaped part in the main tool apron 1, the top end can be fixed by welding, such as spot welding; the first reinforcing plate 7 is fixed on the arc-shaped part of the main tool apron 1 and the auxiliary tool apron 8 and can be movably fixed through bolts, so that when the tool apron needs to be disassembled and replaced, only the bolts used for movably fixing the tool apron need to be disassembled, the damaged auxiliary tool apron 8 needs to be knocked off, and then a new auxiliary tool apron needs to be replaced.
The tool apron for the land leveler has the advantages of simple structure, convenience in use, firmness and durability, only needs to replace a damaged scraper or auxiliary tool apron when damaged, does not need to be replaced integrally, and is beneficial to saving materials and reducing cost; the arrangement of the first reinforcing plate 7 can reinforce the fixation of the auxiliary tool apron 8 on the main tool apron 1, and the stability, firmness and durability of the tool apron are improved.
In one embodiment, the tool holder further comprises a second reinforcing plate, one end of the second reinforcing plate is fixed to the inner arc surface of the arc-shaped part in the main tool holder 1, and the other end of the second reinforcing plate is fixed to the inner arc surface of the scraper 2, so that the scraper 2 is further fixed, the scraper 2 is prevented from falling off due to loose fixation during use, and the stability and the firmness and durability of the tool holder are improved.
Those skilled in the art will understand that the second reinforcing plate can be movably fixed to the arc-shaped portion of the main tool holder 1 and the scraper 2 by bolts, so as to facilitate disassembly.
In an embodiment, the scraper 2 and the auxiliary blade holder 8 are respectively and correspondingly provided with a first bolt hole 5 and a second bolt hole 9 for penetrating a first bolt, and the scraper 2 is fixed on the auxiliary blade holder 8 through the first bolt, so that the scraper 2 and the auxiliary blade holder 8 are movably fixed, and the scraper and the auxiliary blade holder are convenient to replace.
In one embodiment, the first bolt holes 5 and the second bolt holes 9 are respectively arranged in at least 2 rows, such as 3 rows and 4 rows, from top to bottom, and each row has at least 3, such as 3-10, such as 4, 5, 6, 7, 8 and 9, so as to fix the scraper blade 2 on the auxiliary blade seat 8, and facilitate adjusting the fixing position of the scraper blade 2 on the auxiliary blade seat 8, and further adjusting the height and transverse position of the scraper blade 2, and adjusting the extension length and scraping position of the blade seat according to the present invention.
In one embodiment, the top end of the scraper 2 is located at the free end of the arc-shaped portion of the main blade seat 1, and the inner arc surface of the scraper 2 is connected with the inner arc surface of the arc-shaped portion of the main blade seat 1, so as to facilitate the reinforcement of the two by the second reinforcing plate.
In one embodiment, the arc radius of the arc-shaped part in the main tool holder 1 is R1, and the arc is α; the arc radius of the scraper 2 is R2, and the radian is beta; wherein R1/R2 is 1.1-1.5, such as 1.2, 1.3 and 1.4; the alpha/beta is 0.8-0.9, such as 0.85, so that the force bearing direction and the position of the tool apron and the scraper thereof are more suitable in the flattening process, the flattening efficiency is improved, and the flattening effect is enhanced.
In a preferred embodiment, α is 15 to 30 °, β is 15 to 35 °, for example α is 20 °, β is 25 °, α is 18 °, β is 20 °, α is 24 °, β is 30 °, α is 30 °, β is 35 °, and the like.
Those skilled in the art understand that the meaning here is that α/β ═ 0.8 to 0.9, α ═ 15 to 30 °, β ═ 15 to 35 ° are simultaneously satisfied.
In an embodiment, the blade holder still includes regulating plate 3, the first end of regulating plate 3 is fixed extremely the free end of plane portion in main blade holder 1, the second end is used for connecting the leveler to the extension length of convenience adjustment blade holder need not can height-adjusting with the help of other mechanisms, helps the blade holder of contact ground one side to avoid damaging, improves the life of blade holder.
In an embodiment, the main tool post 1 middle plane portion and the adjusting plate 3 are respectively and correspondingly provided with a third bolt hole 4 and a fourth bolt hole 6 for penetrating a second bolt, and the adjusting plate 3 is fixed to the main tool post 1 middle plane portion through the second bolt.
In one embodiment, the third bolt holes 4 are arranged in at least 1 row, such as 2 rows, and at least 3, such as 4-8, such as 5, 6 and 7, per row; the fourth bolt holes 6 are arranged at least 2 rows, such as 3 rows and 4 rows, from top to bottom, and each row has at least 3, such as 4-8, such as 5, 6, and 7, so as to adjust the extension length of the tool apron as required.
The skilled person understands that the number of third bolt holes 4 and fourth bolt holes 6 is the same in each row.
In one embodiment, the blade angle of the doctor blade 2 is 15-45 °, preferably 25-40 °, such as 30 ° and 35 °, to improve the doctoring effect.
The skilled person understands that the cutting edge angle refers to the angle between two cutting edges at the cutting edge of the tool, and if the two cutting edges are planes, the included angle between the two cutting edges is defined; if the two edge surfaces are arc surfaces, the included angle between the tangent planes of the two arc surfaces at the cutting edge is formed.
In one embodiment, the first reinforcing plate 7 and the auxiliary tool apron 8 are both made of hard alloy, so that the wear resistance of the bottom of the tool apron is improved, and the service life of the tool apron is prolonged.
In a preferred embodiment, the second reinforcing plate is a cemented carbide plate.
In one embodiment, as shown in FIG. 1, the present invention provides a blade holder for a grader that is used as follows:
the second end of the adjusting plate 3 is arranged on the land leveler, the extension length of the tool apron is adjusted by adjusting the installation position of the adjusting plate 3 on the plane part of the main tool apron 1, and the scraper 2 of the tool apron is always in contact with the ground, so that the tool apron of the utility model can carry out scraping operation along with the movement of the land leveler, and the stable scraping operation effect is realized;
during the process, if the height of the tool apron needs to be adjusted, only the installation position of the adjusting plate 3 on the plane part of the main tool apron 1 (namely, the third bolt holes 4 in different rows) needs to be adjusted;
in the period, if the scraper 2 is damaged, only the scraper 2 needs to be detached and a new scraper needs to be installed again;
during the process, if the auxiliary tool apron 8 is damaged, only the fixing piece (such as a bolt) for fixing the auxiliary tool apron 8 needs to be detached, then the auxiliary tool apron 8 is knocked to drop, and then a new auxiliary tool apron 8 is installed again.
The tool apron for the land leveler has the advantages of simple structure, convenience in use, firmness and durability, only needs to replace a damaged scraper or auxiliary tool apron when damaged, does not need to be replaced integrally, and is beneficial to saving materials and reducing cost; and the tool apron is telescopic, can adjust the extension length according to actual need, need not to adjust the height with the help of other mechanisms, is favorable to protecting scraper and the vice tool apron of contact ground one side, improves life.
Claims (10)
1. A blade holder for a grader, characterized in that it comprises a main blade holder (1), a scraper (2), an auxiliary blade holder (8) and a first reinforcement plate (7);
the main tool apron (1) comprises a plane part and an arc part which are integrally arranged;
the auxiliary tool apron (8) is of an arc-shaped structure, the top end of the auxiliary tool apron is fixed to the free end of the arc-shaped part in the main tool apron (1) and is positioned on one side of the outer arc surface of the main tool apron;
one end of the first reinforcing plate (7) is fixed to the outer arc surface of the arc-shaped part in the main tool apron (1), and the other end of the first reinforcing plate is fixed to the outer arc surface of the auxiliary tool apron (8);
the scraper (2) is of an arc-shaped structure, and the outer arc surface of the scraper is attached and fixed to the inner arc surface of the auxiliary tool apron (8);
and the central axes of the circles in which the arc-shaped parts or the arc-shaped structures are respectively arranged in the following three structures are parallel to each other: the main tool apron (1), the auxiliary tool apron (8) and the scraper (2).
2. A tool holder according to claim 1, characterized in that the tool holder further comprises a second reinforcing plate, one end of which is fixed to the intrados of the arc-shaped portion in the main tool holder (1), and the other end of which is fixed to the intrados of the scraper (2).
3. Tool apron according to claim 1 or 2, characterized in that the scraper (2) and the auxiliary tool apron (8) are provided with a first bolt hole (5) and a second bolt hole (9), respectively, for the passage of a first bolt, by means of which the scraper (2) is fixed to the auxiliary tool apron (8).
4. A tool holder according to claim 3, characterized in that the first bolt hole (5) and the second bolt hole (9) are arranged in at least 2 rows from top to bottom, respectively, and in at least 3 per row.
5. A tool holder according to any one of claims 1, 2 and 4, characterized in that the arc radius of the arc-shaped part in the main holder (1) is R1, the arc being a; the arc radius of the scraper (2) is R2, and the radian is beta; wherein, R1/R2 is 1.1-1.5, alpha/beta is 0.8-0.9.
6. A holder according to claim 5, wherein α -15-30 ° and β -15-35 °.
7. A cutting insert according to any one of claims 1, 2, 4 and 6, characterized in that the insert further comprises an adjustment plate (3), the adjustment plate (3) having a first end fixed to a free end of the planar portion of the main insert seat (1) and a second end for connection to a grader.
8. Tool holder according to claim 7, characterized in that a third bolt hole (4) and a fourth bolt hole (6) are provided in the main tool holder (1) and the adjusting plate (3), respectively, for the passage of a second bolt, by means of which the adjusting plate (3) is fixed to the main tool holder (1) central plane.
9. A tool holder according to claim 8, characterized in that the third bolt hole (4) is provided with at least 1 row of at least 3; the fourth bolt hole (6) is provided with at least 2 rows from top to bottom, and each row has at least 3.
10. A tool holder according to any one of claims 1, 2, 4, 6, 8 and 9, characterized in that the edge angle of the blade (2) is 15-45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120537008.7U CN215330115U (en) | 2021-03-15 | 2021-03-15 | Tool apron for land leveler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120537008.7U CN215330115U (en) | 2021-03-15 | 2021-03-15 | Tool apron for land leveler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215330115U true CN215330115U (en) | 2021-12-28 |
Family
ID=79583646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120537008.7U Active CN215330115U (en) | 2021-03-15 | 2021-03-15 | Tool apron for land leveler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215330115U (en) |
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2021
- 2021-03-15 CN CN202120537008.7U patent/CN215330115U/en active Active
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