CN213204248U

CN213204248U - Land leveler scraper blade adjusting device

Info

Publication number: CN213204248U
Application number: CN202021678514.XU
Authority: CN
Inventors: 李清; 张东升; 张洪升; 李经涛; 李涛
Original assignee: Jinan Limin Road And Bridge Engineering Co ltd
Current assignee: Jinan Limin Road And Bridge Engineering Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-14
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to a leveler spiller adjusting device belongs to the technical field of leveler, and it includes extension plate and drive division, the extension plate has two, and the homogeneous phase is to sliding on the spiller, and the direction of sliding is parallel with the length direction of spiller, the drive division sets up on the spiller for driving two extension plates to slide in opposite directions or from each other. When leveling the road, start drive division, two extension boards of drive division drive separate the slip to the length of extension spiller makes the spiller at this moment be 1/2n of road width, because the spiller when leveling the road, the forklift vestige of every trip can not be repeated, has reduced the number of times of forklift motion, consequently has reduced staff's the amount of labour.

Description

Land leveler scraper blade adjusting device

Technical Field

The present application relates to the field of motor graders, and more particularly, to a motor grader blade adjustment device.

Background

At present, a land leveler utilizes a blade to level the earth moving machinery on the ground. The shovel blade is arranged between the front wheel shaft and the rear wheel shaft of the machine and can lift, incline, rotate and extend outwards. The operation is flexible and accurate, the operation is convenient, the leveling field has higher precision, and the method is suitable for constructing the roadbed and the road surface, constructing the side slope and excavating the side ditch.

The utility model discloses a chinese utility model with bulletin number CN206625267U, publication date is 2017-11-10 discloses a land leveler, which comprises a bod, the front end of organism is provided with the spiller that is used for scraping the ground, spiller upper surface both sides all are provided with the cylinder, the cylinder is connected with the connecting rod, connecting rod tip fixedly connected with mounting panel, be connected with the scraper blade on the mounting panel, the mounting panel includes the pivot that is on a parallel with the spiller along setting up, the scraper blade rotates to be connected in the pivot and the scraper blade revolutes the pivot and rotates the spiller back, the mounting panel with still be provided with between the scraper blade and be used for carrying out the locating component who fixes a position to the. After the scraper knife finishes working, the scraper blade is rotated to be attached to the scraper knife, then the positioning assembly is started, the scraper knife is positioned by the positioning assembly, then the cylinder is started, and the mounting plate is pushed to move by the cylinder, so that the scraper knife is cleaned.

In view of the above-mentioned related art, the inventor believes that in the actual use of a grader, the blade has a fixed length, and thus the blade may repeatedly perform work when leveling road surfaces with different widths, thereby increasing the labor of workers.

SUMMERY OF THE UTILITY MODEL

To reduce the amount of labor for the worker, the present application provides a grader blade adjustment device.

The application provides a pair of leveler spiller adjusting device adopts following technical scheme:

the utility model provides a leveler spiller adjusting device, includes extension plate and drive division, the extension plate has two, and all in opposite directions or the looks from sliding on the spiller, and the direction of sliding is parallel with the length direction of spiller, the drive division sets up on the spiller for driving two extension plates to or the looks from sliding.

Through adopting above-mentioned technical scheme, when leveling the road, start drive division, two extension boards of drive division drive separate and slide to the length of extension spiller for the spiller at this moment is 1/2n of road width, because the spiller when leveling the road, the forklift vestige of every trip can not be repeated, has reduced the number of times of forklift motion, has consequently reduced staff's the amount of labour.

Preferably, the drive division includes the mounting panel, the mounting panel is fixed in spiller center department, the level rotates in the mounting panel has two-way lead screw, two-way lead screw both ends threaded connection has the connecting block, the connecting block is fixed with the horizontally connecting rod, the level slides in the mounting panel has the push rod, push rod and extension plate fixed connection, the connecting rod can with the push rod butt.

Through adopting above-mentioned technical scheme, when two extension plates of drive synchronous slippage, rotate two-way lead screw, the removal of two-way lead screw drive connecting block to make the connecting rod drive push rod drive the removal of extension plate.

Preferably, a return spring is arranged in the mounting plate, the return spring is sleeved on the connecting rod, and two ends of the return spring are fixedly connected with the inner wall of the mounting plate and the push rod respectively.

Through adopting above-mentioned technical scheme, the purpose that sets up reset spring is, and after the connecting rod resets, the push rod resets under reset spring's elasticity to drive the reseing of extension plate.

Preferably, a first bevel gear is coaxially fixed in the middle of the bidirectional screw, a second bevel gear rotates in the mounting plate, the first bevel gear is meshed with the second bevel gear, and a rotating shaft of the second bevel gear extends out of the mounting plate.

Through adopting above-mentioned technical scheme, rotate the pivot, the pivot drives first bevel gear and rotates, and first bevel gear drives second bevel gear and rotates, and second bevel gear drives the rotation of two-way lead screw to make the removal of two-way lead screw drive connecting rod, thereby promote the removal of extension plate.

Preferably, a motor is fixed on the scraper knife, a main gear is coaxially fixed on an output shaft of the motor, a driven gear is coaxially fixed on the second bevel gear, and the main gear is meshed with the driven gear.

By adopting the technical scheme, the motor is arranged to realize the automatic rotation of the second bevel gear.

Preferably, two auxiliary rods are horizontally slid on the mounting plate in opposite directions, the two auxiliary rods are respectively provided with horizontal supporting rods, and the two supporting rods can be respectively abutted against the extension plate.

Through adopting above-mentioned technical scheme, when the width on road is not applicable to two extension plates and slides in step, an auxiliary rod slides alone for the auxiliary rod drives the removal of branch, thereby makes branch drive the removal of extension plate, realizes the removal of single extension plate.

Preferably, a horizontal bidirectional screw is fixed on the mounting plate, the two auxiliary rods are respectively in threaded connection with two ends of the bidirectional screw rod, and the supporting rod is rotatably connected with the auxiliary rods.

Through adopting above-mentioned technical scheme, rotate the auxiliary rod, the auxiliary rod slides to the removal of drive branch, thereby drive the removal of extension plate.

Preferably, the mounting plate is rotated with a locking bolt, and one end of the locking bolt extending into the mounting plate is abutted to the push rod.

Through adopting above-mentioned technical scheme, the purpose that sets up the locking bolt is, after realizing sliding of extension plate, rotates the locking bolt for locking bolt and push rod butt, thereby realize the locking that the extension plate slided.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the purpose of arranging the extension plates is that when a road is leveled, the driving part is started, and the driving part drives the two extension plates to slide away from each other, so that the length of the shovel blade is extended, the shovel blade is 1/2n of the width of the road at the moment, and when the shovel blade levels the road, the trace of a forklift in each trip is not repeated, the movement frequency of the forklift is reduced, and the labor amount of workers is reduced;

2. the bidirectional screw rod and the connecting rod are arranged, so that when the two extension plates are driven to synchronously slide, the bidirectional screw rod is rotated, the bidirectional screw rod drives the connecting block to move, and the connecting rod drives the push rod to drive the extension plates to move;

3. the purpose of setting up auxiliary rod and two-way screw rod is, when making two extension plates slide alone, rotates corresponding auxiliary rod for the auxiliary rod slides and drives the removal of branch, thereby drives the removal of extension plate.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a cross-sectional view showing the interior of the mounting plate with portions cut away.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 100. a scraper knife; 200. an extension plate; 300. a drive section; 310. mounting a plate; 320. a bidirectional lead screw; 321. a connecting rod; 322. a push rod; 323. a return spring; 324. locking the bolt; 325. a first bevel gear; 326. connecting blocks; 330. a second bevel gear; 332. a slave gear; 340. a motor; 341. a main gear; 350. a bidirectional screw; 351. an auxiliary lever; 352. a support rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a grader blade adjusting device.

Referring to fig. 1, the blade adjusting apparatus of a grader includes two extension plates 200 and a driving part 300, and the extension plates 200 are slid on the blade 100 in opposite directions or in a direction away from each other, and the sliding direction is parallel to the length direction of the blade 100. The driving unit 300 is disposed on the blade 100 and configured to drive the two extension boards 200 to slide toward or away from each other. When the road is leveled, the driving unit 300 is activated, and the driving unit 300 drives the two extension boards 200 to slide away from each other, so as to extend the length of the blade 100, such that the blade 100 is 1/2n of the road width at this time.

Referring to fig. 2 and 3, the driving part 300 includes a mounting plate 310, the mounting plate 310 is fixed at the center of the blade 100, a cavity is formed in the mounting plate 310, a bidirectional screw 320 horizontally rotates in the cavity through a bearing seat, two ends of the bidirectional screw 320 are threadedly connected with connection blocks 326, and two ends of the connection blocks 326 in the length direction are both fixed with horizontal connection rods 321. Horizontal sliding grooves are formed in the mounting plate 310, push rods 322 are slidably arranged in the sliding grooves, the push rods 322 are fixedly connected with the extension plate 200 through connecting plates, and the connecting rods 321 can slide in the sliding grooves through the bottom wall of the cavity and can be abutted to the push rods 322. A return spring 323 is arranged in the sliding groove, two ends of the return spring 323 are respectively fixedly connected with the side wall of the sliding groove and the push rod 322, and the return spring 323 can be sleeved on the connecting rod 321. When the two extension plates 200 are driven to synchronously slide, the two-way screw 320 is rotated, the two connecting blocks 326 move away from each other, so that the connecting rod 321 drives the push rod 322 to drive the extension plates 200 to move, and the return spring 323 is stretched; when the bidirectional screw 320 rotates to drive the two connecting blocks 326 to move towards each other, the connecting rod 321 is disengaged from the push rod 322, and the push rod 322 drives the extension board 200 to reset under the elastic force of the reset spring 323.

In order to limit the sliding movement of the extension board 200, a horizontal locking bolt 324 is rotated on the mounting plate 310, and one end of the locking bolt 324 extending into the mounting plate 310 abuts against the push rod 322.

In order to realize the rotation of the bidirectional screw 320, a first bevel gear 325 is coaxially fixed in the middle of the bidirectional screw 320, a second bevel gear 330 rotates in the mounting plate 310, and the first bevel gear 325 is meshed with the second bevel gear 330. Second bevel gear 330 is coaxially fixed to slave gear 332. The electric motor 340 is fixed on the scraper 100, the main gear 341 is coaxially fixed on the output shaft of the electric motor 340, and the main gear 341 is meshed with the slave gear 332. The motor 340 is started, the motor 340 drives the main gear 341 to rotate, the main gear 341 drives the slave gear 332 to rotate, the slave gear 332 drives the second bevel gear 330 to rotate, and the second bevel gear 330 drives the first bevel gear 325 to rotate, so as to drive the bidirectional screw 320 to rotate.

When the width of road is not suitable for two extension boards 200 when slipping in step, need slip an extension board 200 alone, consequently horizontal be fixed with two-way screw rod 350 on mounting panel 310, two equal threaded connection in two ends of two-way screw rod 350 has auxiliary rod 351, all coaxial rotations have branch 352 on two auxiliary rod 351, and two branch 352 can respectively with two extension boards 200 butt. When one of the extension boards 200 is slid independently, the auxiliary rod 351 corresponding to the extension board is rotated, and the auxiliary rod 351 drives the support rod 352 to move, so that the support rod 352 pushes the extension board 200 to move.

The implementation principle of the grader blade adjusting device in the embodiment of the application is as follows: when the two extension boards 200 synchronously slide, the locking bolt 324 is rotated to enable the locking bolt 324 to be separated from the push rod 322, then the motor 340 is started, the motor 340 drives the main gear 341 to rotate so as to drive the driven gear 332 to rotate, the driven gear 332 drives the second bevel gear 330 to rotate, the second bevel gear 330 drives the first bevel gear 325 to rotate so as to drive the two-way screw 320 to rotate, the two-way screw 320 drives the connecting block 326 to move so as to enable the connecting rod 321 to push the push rod 322 to move, the reset spring 323 is stretched, the push rod 322 drives the extension board 200 to slide, after the sliding distance of the extension boards 200 is adjusted, the locking bolt 324 is rotated, the locking bolt 324 is abutted to the push rod 322, and the limit of the sliding of the extension; when one of the extension boards 200 is slid independently, the corresponding auxiliary rod 351 is rotated, and the auxiliary rod 351 drives the rotation of the rod 352, so that the rod 352 pushes the extension board 200 to move.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A grader blade adjustment device, characterized in that: including extension board (200) and drive division (300), extension board (200) have two, and the homogeneous phase slides on spiller (100) to, and the length direction of the direction of sliding and spiller (100) is parallel, drive division (300) set up on spiller (100) for drive two extension boards (200) slide in opposite directions or leave mutually.

2. The grader blade adjustment assembly of claim 1, wherein: drive division (300) include mounting panel (310), mounting panel (310) are fixed in spiller (100) center department, the level rotates in mounting panel (310) has two-way lead screw (320), two-way lead screw (320) both ends threaded connection has connecting block (326), connecting block (326) are fixed with horizontally connecting rod (321), the level slides in mounting panel (310) has push rod (322), push rod (322) and extension plate (200) fixed connection, connecting rod (321) can with push rod (322) butt.

3. The grader blade adjustment assembly of claim 2, wherein: be provided with reset spring (323) in mounting panel (310), reset spring (323) cover is located on connecting rod (321), reset spring (323)'s both ends respectively with mounting panel (310) inner wall and push rod (322) fixed connection.

4. The grader blade adjustment assembly of claim 3, wherein: a first bevel gear (325) is coaxially fixed in the middle of the bidirectional screw (320), a second bevel gear (330) rotates in the mounting plate (310), the first bevel gear (325) is meshed with the second bevel gear (330), and a rotating shaft of the second bevel gear (330) extends out of the mounting plate (310).

5. The grader blade adjustment assembly of claim 4, wherein: the scraper knife (100) is fixed with a motor (340), an output shaft of the motor (340) is coaxially fixed with a main gear (341), the second bevel gear (330) is coaxially fixed with a slave gear (332), and the main gear (341) is meshed with the slave gear (332).

6. The grader blade adjustment assembly of claim 5, wherein: two auxiliary rods (351) are horizontally slid on the mounting plate (310) oppositely, horizontal supporting rods (352) are respectively arranged on the two auxiliary rods (351), and the two supporting rods (352) can be respectively abutted with the extension plate (200).

7. The grader blade adjustment assembly of claim 6, wherein: the mounting panel (310) is fixed with horizontal two-way screw rod (350), two auxiliary rod (351) respectively with the both ends threaded connection of two-way lead screw (320), branch (352) and auxiliary rod (351) rotate and are connected.

8. The grader blade adjustment assembly of claim 7, wherein: the mounting plate (310) is rotated with a locking bolt (324), and one end of the locking bolt (324) extending into the mounting plate (310) is abutted to the push rod (322).