CN207863010U - A kind of spade blade device for land leveller - Google Patents
A kind of spade blade device for land leveller Download PDFInfo
- Publication number
- CN207863010U CN207863010U CN201820003964.5U CN201820003964U CN207863010U CN 207863010 U CN207863010 U CN 207863010U CN 201820003964 U CN201820003964 U CN 201820003964U CN 207863010 U CN207863010 U CN 207863010U
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- China
- Prior art keywords
- push
- perching knife
- pull rod
- drive link
- blade device
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Abstract
The utility model is related to a kind of land levellers, essentially disclose a kind of spade blade device for land leveller, including body, it is connected with expansion bracket on the body, perching knife and the swing mechanism for adjusting the perching knife level angle are provided on the expansion bracket, the height adjustment assembly for adjusting the blade height is additionally provided on the body, the height adjustment assembly includes push-pull rod and driving mechanism, described push-pull rod one end is hinged with the expansion bracket, limiting slot is offered on the body, the push-pull rod is slidably connected in the limiting slot, the driving mechanism is arranged on the body and for pushing and pulling the push-pull rod.The utility model uses new mechanical structure, and driving mechanism driving drives push-pull rod movement, push-pull rod movement push-and-pull expansion bracket movement, so that perching knife ground proximity, enhances the effect of perching knife ground grading.
Description
Technical field
The utility model is related to a kind of land levellers, more specifically, it relates to a kind of spade blade device for land leveller.
Background technology
Land leveller is the major mechanical that shaping and leveling operation are used in earth work, and it is big to be widely used in highway, airport etc.
The Land leveling operation of area.Why land leveller has extensive less important work ability.It is since its clean-up scraper can be in space
Complete 6 degree of movements.They can individually be carried out, and can also combine progress.Land leveller can provide foot in subgrade construction for roadbed
Enough strength and stabilities.
Currently, the Chinese patent that notification number is CN203701167U discloses a kind of land leveller and its perching knife equipment,
It includes the guide rail of blade, mounting plate, perching knife support, oil cylinder of extending, the first oil cylinder and the setting of two parallel intervals, blade installation
In the lower edge of mounting plate, guide rail is fixed on the back side of mounting plate along the length direction of blade, and the inside of perching knife support is equipped with
With the matched card slot of guide rail, guide rail is movably disposed at the card slot and pinches, and the first oil cylinder seat is installed in perching knife support, is drawn
The one end for stretching oil cylinder is connected on the first oil cylinder seat, and the other end is connected between two guide rails of installation back.
This land leveller and its spade blade device are due to being provided with perching knife support, and the oil cylinder that will extend is at least partially disposed in
Perching knife supports between mounting plate so that oil cylinder of extending is protected, and the oil cylinder that effectively prevent extending is injured by a crashing object, and oil cylinder of extending is improved
Service life, but when ground relief to be processed, perching knife cannot be close to work ground, and Land leveling is caused to obtain not
Thoroughly, so that Land leveling is ineffective.
Utility model content
In view of the deficienciess of the prior art, the utility model lies in that a kind of spade blade device for land leveller of offer, leads to
The height of perching knife is overregulated to adapt to the working condition on smooth uneven ground, to enhance the planarization effects on ground.
To achieve the above object, the utility model provides following technical solution：A kind of spade blade device for land leveller,
Including body, it is connected with expansion bracket on the body, perching knife is provided on the expansion bracket and for adjusting the perching knife
The swing mechanism of level angle is additionally provided with the height adjustment assembly for adjusting the blade height on the body, described
Height adjustment assembly includes push-pull rod and driving mechanism, and described push-pull rod one end is hinged with the expansion bracket, is opened on the body
Equipped with limiting slot, the push-pull rod is slidably connected in the limiting slot, and the driving mechanism is arranged on the body and uses
In the push-and-pull push-pull rod.
By using above-mentioned technical proposal, when the work ground relief of land leveller, and perching knife is due to that cannot be close to
Work ground and make Land leveling be not thorough；Driving mechanism drives so that push-pull rod moves, to drive perching knife in limiting slot
Middle sliding so that perching knife is close to work ground, enhances the effect of perching knife ground grading.
The utility model is further arranged to：The driving mechanism includes first motor and for pushing and pulling the push-pull rod
Transmission component, the transmission component include adjusting rod, the first drive link, the second drive link and are rotatably connected on the body
Supporting rod, one end of the adjusting rod and the output shaft of the first motor link, and the other end is connect with the first drive rod rotation,
First drive link is connect with second drive rod rotation, and second drive link is rotatablely connected with the supporting rod, institute
It is hinged with the push-pull rod to state the second drive link.
By using above-mentioned technical proposal, first motor driving drives adjusting rod rotation, adjusting rod to be drawn during rotating
Dynamic first drive link, the second drive link and supporting rod form easy lever, and the first drive link is as power, by driving second
For drive link to realize the movement of push-pull rod, push-pull rod movement drives perching knife to be adjacent to work ground, smooth to enhance perching knife
The effect on ground.
The utility model is further arranged to：The adjusting rod includes loop bar and the interior bar that is threadedly coupled with the loop bar,
The interior bar is fixedly connected on the output shaft of the first motor, and the loop bar is connect with first drive link.
By using above-mentioned technical proposal, interior bar is threadedly coupled with loop bar, realizes the adjusting for adjusting pole length, by twisting
Dynamic loop bar, reduces the threaded connection degree of interior bar and loop bar, to increase the length of adjusting rod, adjusting becoming larger for pole length can make
The mobile range for obtaining the first drive link increases, so that push-pull rod moves down degree increase so that perching knife can be close to lower
Work ground；By turning loop bar, increases the threaded connection degree of interior bar and loop bar, to reduce the length of adjusting rod, adjust
Becoming smaller for pole length can be so that the mobile range of the first drive link reduces so that push-pull rod moves down degree reduction so that shovel
Knife can be close to higher work ground, to enhance the effect of perching knife ground grading.
The utility model is further arranged to：The one end of the loop bar far from the interior bar is offered along the loop bar side wall
Annular groove is connected, is rotatably connected to connector in the connection annular groove, the connector is connect with first drive rod rotation.
By using above-mentioned technical proposal, by turning loop bar, connector slides in link slot, reduces interior bar and loop bar
Threaded connection degree, to increase the length of adjusting rod, adjust pole length become larger can so that the first drive link mobile width
Degree increases, so that push-pull rod moves down degree increase so that perching knife can be close to lower work ground；By turning set
Bar, connector slide in link slot, increase the threaded connection degree of interior bar and loop bar, to reduce the length of adjusting rod, adjust
Becoming smaller for pole length can be so that the mobile range of the first drive link reduces so that push-pull rod moves down degree reduction so that
Perching knife can be close to higher work ground, to enhance the effect of perching knife ground grading.
The utility model is further arranged to：The expansion bracket includes the frame body being movably connected on the body and sliding
The support base being connected on the frame body, the support base are hinged with the push-pull rod.
By using above-mentioned technical proposal, motor driving drives adjusting rod rotation, adjusting rod rotation to drive the first drive link
Mobile, the movement of the first drive link drives the movement of the second drive link interior bar, so that push-pull rod moves, to drive perching knife to be close to
Ground, and support base is slided with respect to frame body, the change of adaptation perching knife position so that the length of expansion bracket changes.
The utility model is further arranged to：The swing mechanism include the turntable that is rotatably connected on the support base and
The second motor for driving the turntable rotation, the perching knife are arranged below the turntable.
By using above-mentioned technical proposal, the driving of the second motor drives turntable to do and is transported by the rotation in the center of circle of disk axes
Dynamic, turntable rotation drives perching knife to do the rotary motion using disk axes as the center of circle, to realize the angle tune of perching knife horizontal direction
Section, engagement height adjusting part improve practicability to adapt to the requirement on some slope classes work ground.
The utility model is further arranged to：The turntable include the interconnecting piece being rotatably connected on the support base and with
The linkage portion that the interconnecting piece is fixedly connected, second motor link with the linkage portion, and the perching knife is arranged described
Below dynamic portion.
By using above-mentioned technical proposal, the driving of the second motor drives linkage portion rotation, is produced per year to drive to doing with connection
Dynamic portion axle center is the rotary motion in the center of circle, and to realize the angular adjustment of perching knife horizontal direction, engagement height adjusting part is with suitable
The requirement for answering some slope class work ground, improves practicability.
The utility model is further arranged to：The output shaft of second motor is fixedly connected with external gear, the linkage
The gear teeth, the external gear and the gear teeth meshing are provided in portion.
By using above-mentioned technical proposal, the driving of the second motor drives external gear rotation, external gear and the wheel in linkage portion
Tooth engagement, to drive linkage portion to do using linkage portion axle center as the rotary motion in the center of circle, to realize the angle of perching knife horizontal direction
Degree is adjusted, and engagement height adjusting part improves practicability to adapt to the requirement on some slope classes work ground.
The utility model is further arranged to：It is fixedly connected with supporting block under the turntable, it is fixed in the supporting block to connect
It is connected to cylinder, the cylinder is connected with the perching knife.
By using above-mentioned technical proposal, cylinder driving drives perching knife to be moved relative to supporting block, to increase perching knife
Working range.
The utility model is further arranged to：The perching knife is connect by bolt with the cylinder.
By using above-mentioned technical proposal, perching knife is connect by bolt with cylinder, and the repair of perching knife is facilitated to replace.
In conclusion the utility model has the advantages that：
1. when the work ground relief of land leveller, and perching knife makes ground due to that cannot be close to work ground
It is smooth to be not thorough；First motor drives so that push-pull rod moves, to push-pull knife so that perching knife is close to work ground, enhances
The effect of perching knife ground grading；
2. interior bar is threadedly coupled with loop bar, realize the adjusting for adjusting pole length, by turning loop bar, reduce interior bar with
The threaded connection degree of loop bar, to increase the length of adjusting rod, the shifting of the first drive link can be made by adjusting becoming larger for pole length
Dynamic amplitude increases, so that push-pull rod moves down degree increase so that perching knife can be close to lower work ground；By turning
Loop bar increases the threaded connection degree of interior bar and loop bar, and to reduce the length of adjusting rod, adjusting becoming smaller for pole length can make
The mobile range of first drive link reduces so that push-pull rod moves down degree reduction so that perching knife can be close to higher work
Ground, to enhance the effect of perching knife ground grading.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the overall structure diagram of expansion bracket；
Fig. 3 is the overall structure diagram of perching knife；
Fig. 4 is the overall structure diagram of height adjustment assembly；
Fig. 5 is the overall structure diagram of adjusting rod；
Fig. 6 is the overall structure diagram of hinged block.
Reference numeral：1, body；11, machine wall；12, support arm；13, ball-joint；121, limiting slot；2, expansion bracket；21, frame
Body；211, limited block；212, sliding rail；213, sliding block；22, support base；221, shaft；222, hinged block；223, hinge hole；224、
Connecting pole；3, swing mechanism；31, turntable；311, interconnecting piece；312, linkage portion；313, connecting rod；314, the gear teeth；32, the second electricity
Machine；321, external gear；33, supporting block；331, cylinder；332, link block；333, fixed block；334, the first threaded hole；335, spiral shell
Bolt；4, perching knife；5, height adjustment assembly；6, push-pull rod；7, driving mechanism；71, first motor；72, transmission component；721, it adjusts
Bar；722, the first drive link；723, the second drive link；724, supporting rod；725, loop bar；726, interior bar；727, annular groove is connected；
728, the second threaded hole；73, connector；731, linking part；732, rotation section；733, latch closure；734, stock.
Specific implementation mode
The utility model is described further with reference to attached drawing.
As shown in Figure 1, a kind of spade blade device for land leveller, including body 1, expansion bracket is connected on body 1
2, perching knife 4 and the swing mechanism 3 for adjusting 4 level angle of perching knife are provided on expansion bracket 2, are additionally provided with and are used on body 1
Adjust the height adjustment mechanism 5 of 4 height of perching knife.
As shown in Fig. 2, body 1 includes machine wall 11 and two support arms 12, two support arms 12 are respectively fixedly connected in machine
The both sides of 11 upper end of wall, and 11 lower end of machine wall is connected with expansion bracket 2 by ball-joint 13.Expansion bracket 2 includes 21 He of frame body
Support base 22, frame body 21 are fixedly connected close to the side of support arm 12 there are two limited block 211, and the cross section of limited block 211 is in
" L " shape forms sliding rail 212 between frame body 21.Sliding block 213 is slidably connected in sliding rail 212.
The one end of sliding block 213 far from machine wall 11 is fixedly connected with support base 22, and 22 lower section of support base is provided with swing mechanism
3, swing mechanism 3 includes turntable 31 and the second motor 32, and turntable 31 divides for interconnecting piece 311 and linkage portion 312.22 lower section of support base
It is rotatably connected to shaft 221, lower end of the shaft 221 far from support base 22 is fixedly connected with interconnecting piece 311, and interconnecting piece 311 is by two
Root connecting rod 313 forms, and two connecting rods 313 intersect vertically integrated molding, and the intersection of two connecting rods 313 and shaft
221 lower ends are fixedly connected.Linkage portion 312 is fixedly connected with several gear teeth 314 in annular shape in inner wall so that linkage portion 312
Form an internal gear.The second motor 32 is connected in linkage portion 312, the second motor 32 is fixedly connected on the upper of support base 22
Side, and the output shaft of the second motor 32 is fixedly connected with external gear 321, external gear 321 is located in linkage portion 312 and and linkage portion
312 engagements.
As shown in figure 3, being fixedly connected with supporting block 33, supporting block 33 below the one end of linkage portion 312 far from support base 22
Close to machine wall 11（See Fig. 2）Side be fixedly connected with cylinder 331, the piston rod of cylinder 331 is fixedly connected in cuboid
Link block 332, link block 332 is close to machine wall 11（See Fig. 2）One end be fixedly connected with fixed block 333, fixed block 333 is close to branch
One end of bracer 33 is opened up there are four the first threaded hole 334, and four the first threaded holes 334 are respectively distributed to the four of fixed block 333
Angle.Bolt 335 is threaded in each first threaded hole 334 respectively, head and the fixed block 333 of bolt 335 push against, and spiral shell
The tail portion of bolt 335 is threadedly coupled with perching knife 4, to realize being fixedly connected for fixed block 333 and perching knife 4.Cylinder 331 operates, gas
The piston rod of cylinder 331 moves, and drives fixed block 333 to move, to drive perching knife 4 relative to 22 displacement of support base so that
The operation coverage area bigger of perching knife 4.
As shown in figure 4, height adjustment assembly 5 is respectively arranged on each support arm 12, and height adjustment assembly 5 includes pushing away
Pull rod 6 and driving mechanism 7, support arm 12 is far from machine wall 11（See Fig. 2）One end be fixedly connected with driving mechanism 7, driving mechanism 7
It is made of first motor 71 and transmission component 72.First motor 71 is located at support arm 12 far from machine wall 11（See Fig. 2）One end and
It is fixedly connected with support arm 12, output shaft and the transmission component 72 of first motor 71 link.Transmission component 72 includes adjusting rod
721, the first drive link 722, the second drive link 723 and supporting rod 724.The output shaft of adjusting rod 721 one end and first motor 71
It is fixedly connected, the other end and the first drive link 722 are rotatablely connected, the one end and second of the first drive link 722 far from adjusting rod 721
Drive link 723 is rotatablely connected, and the one end of the second drive link 723 far from the first drive link 722 is rotatablely connected with push-pull rod 6.First
Supporting rod 724 is provided between transmission interior bar 726 and push-pull rod 6,724 one end of supporting rod and the middle part of second support bar 724 turn
Dynamic connection, and 724 other end of supporting rod is rotationally connected on support arm 12.
As shown in figure 5, adjusting rod 721 includes loop bar 725 and interior bar 726,725 one end of loop bar offers the second threaded hole
728,728 internal thread of the second threaded hole is connected with interior bar 726, and the one end of interior bar 726 far from loop bar 725 is defeated with first motor 71
Shaft is fixedly connected, and one end side wall of the loop bar 725 far from interior bar 726 offers connection annular groove 727 of the cross section in annular shape,
Connector 73 is slidably connected in connection annular groove 727.Connector 73 includes linking part 731 and is fixedly connected on linking part 731
And in the rotation section 732 of cylinder, linking part 731 is the stock 734 with latch closure 733, and latch closure 733 is matched with annular groove 727 is connect
It closes and realizes that connector 73 is rotatablely connected with adjusting rod 721, rotation section 732 and the first drive link 722（See Fig. 4）Rotation connection.
As shown in fig. 6, offering limiting slot 121 on two support arms 12 from top to bottom respectively, push-pull rod 6 is slidably connected to
In limiting slot 121, side both ends of the support base 22 far from frame body 21 are respectively articulated with there are two hinged block 222, and hinged block 222 is separate
One end of frame body 21 offers hinge hole 223.Push-pull rod 6 is extended to from top to bottom between two hinge holes 223, hinge hole 223
Between be connected with connecting pole 224.Connecting pole 224 since one of hinge hole 223 extend, and it is solid with 6 lower end of push-pull rod
Fixed connection, and it is fixedly attached to another hinge hole 223 with push-pull rod 6, realization push-pull rod 6 is hinged with support base 22 so that
Support base 22 is located between two push-pull rods 6, and two push-pull rods 6 form " u "-shaped with support base 22.
Specific dynamic process：It is suitable by adjusting the length of adjusting rod 721 since the concave-convex degree on different operating ground is different
It answers different work ground, interior bar 726 to be threadedly coupled with loop bar 725, realizes the adjusting of 721 length of adjusting rod.
By turning loop bar 725, the threaded connection degree of interior bar 726 and loop bar 725 is reduced, to increase adjusting rod 721
Length, 721 length of adjusting rod become larger can so that the first drive link 722 mobile range increase so that the second drive link 723
Mobile range increase so that push-pull rod 6 move down degree increase so that perching knife 4 can be close to lower work ground；
By turning loop bar 725, increase the threaded connection degree of interior bar 726 and loop bar 725, to reduce adjusting rod 721
Length, becoming smaller for 721 length of adjusting rod can be so that the mobile range of first drive link 722 reduces so that push-pull rod 6
Move down degree reduction so that the mobile range of the second drive link 723 increases so that perching knife 4 can be close to higher work ground.
Drive first motor 71, the output shaft of first motor 71 that adjusting rod 721 is driven to rotate, the rotation of adjusting rod 721 drives
First drive link 722 moves, and the first drive link 722 drives the movement of the second drive link 723, and the second drive link 723 is in mobile mistake
Push-pull rod 6 is driven to move up and down in journey, push-pull rod 6 pushes and pulls support base 22, to drive perching knife 4 to move up and down, realizes perching knife 4
Height is adjusted so that the energy close proximity to ground in operation of perching knife 4 enhances the Land leveling effect of perching knife 4.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of spade blade device for land leveller, including body (1), it is connected with expansion bracket (2) on the body (1),
Perching knife (4) and the swing mechanism (3) for adjusting the perching knife (4) level angle, feature are provided on the expansion bracket (2)
It is：The height adjustment assembly (5) for adjusting the perching knife (4) height is additionally provided on the body (1), the height is adjusted
Component (5) includes push-pull rod (6) and driving mechanism (7), and described push-pull rod (6) one end is hinged with the expansion bracket (2), the machine
Limiting slot (121) is offered on body (1), the push-pull rod (6) is slidably connected in the limiting slot (121), the driving machine
Structure (7) is arranged on the body (1) and for pushing and pulling the push-pull rod (6).
2. a kind of spade blade device for land leveller according to claim 1, it is characterized in that：Driving mechanism (7) packet
First motor (71) and the transmission component (72) for pushing and pulling the push-pull rod (6) are included, the transmission component (72) includes adjusting
Bar (721), the first drive link (722), the second drive link (723) and the supporting rod being rotatably connected on the body (1)
(724), one end of the adjusting rod (721) and the output shaft of the first motor (71) link, the other end and the first drive link
(722) it is rotatablely connected, first drive link (722) is rotatablely connected with second drive link (723), second drive link
(723) it is rotatablely connected with the supporting rod (724), second drive link (723) is hinged with the push-pull rod (6).
3. a kind of spade blade device for land leveller according to claim 2, it is characterized in that：Adjusting rod (721) packet
The interior bar (726) for including loop bar (725) and being threadedly coupled with the loop bar (725), the interior bar (726) are fixedly connected on described
On the output shaft of one motor (71), the loop bar (725) connect with first drive link (722).
4. a kind of spade blade device for land leveller according to claim 3, it is characterized in that：The loop bar (725) is separate
One end of the interior bar (726) offers connection annular groove (727) along the loop bar (725) side wall, and the connection annular groove (727) is interior
It is rotatably connected to connector (73), the connector (73) is rotatablely connected with first drive link (722).
5. a kind of spade blade device for land leveller according to claim 4, it is characterized in that：The expansion bracket (2) includes
The frame body (21) being movably connected on the body (1) and the support base (22) being slidably connected on the frame body (21), it is described
Support base (22) is hinged with the push-pull rod (6).
6. a kind of spade blade device for land leveller according to claim 5, it is characterized in that：Swing mechanism (3) packet
Include the turntable (31) being rotatably connected on the support base (22) and the second motor for driving the turntable (31) to rotate
(32), perching knife (4) setting is below the turntable (31).
7. a kind of spade blade device for land leveller according to claim 6, it is characterized in that：The turntable (31) includes turning
The dynamic interconnecting piece (311) being connected on the support base (22) and the linkage portion being fixedly connected with the interconnecting piece (311)
(312), second motor (32) is linked with the linkage portion (312).
8. a kind of spade blade device for land leveller according to claim 7, it is characterized in that：Second motor (32)
Output shaft is fixedly connected with external gear (321), and the gear teeth (314), the external gear (321) are provided on the linkage portion (312)
It is engaged with the gear teeth (314).
9. a kind of spade blade device for land leveller according to claim 6, it is characterized in that：It is fixed under the turntable (31)
It is connected with supporting block (33), cylinder (331) is fixedly connected on the supporting block (33), the cylinder (331) is connected with described
Perching knife (4).
10. a kind of spade blade device for land leveller according to claim 9, it is characterized in that：The perching knife (4) passes through spiral shell
Bolt (335) is connect with the cylinder (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820003964.5U CN207863010U (en) | 2018-01-02 | 2018-01-02 | A kind of spade blade device for land leveller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820003964.5U CN207863010U (en) | 2018-01-02 | 2018-01-02 | A kind of spade blade device for land leveller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207863010U true CN207863010U (en) | 2018-09-14 |
Family
ID=63464411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820003964.5U Expired - Fee Related CN207863010U (en) | 2018-01-02 | 2018-01-02 | A kind of spade blade device for land leveller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207863010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576116A (en) * | 2020-05-06 | 2020-08-25 | 安徽烨煌建筑工程有限公司 | Land leveler for highway subgrade engineering construction |
-
2018
- 2018-01-02 CN CN201820003964.5U patent/CN207863010U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576116A (en) * | 2020-05-06 | 2020-08-25 | 安徽烨煌建筑工程有限公司 | Land leveler for highway subgrade engineering construction |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20210102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |