CN216007079U

CN216007079U - Scraper knife angle adjusting device of bulldozer for building construction

Info

Publication number: CN216007079U
Application number: CN202121924904.5U
Authority: CN
Inventors: 江明超; 刘俊
Original assignee: Anhui Yaohan Construction Engineering Co ltd
Current assignee: Anhui Yaohan Construction Engineering Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-11
Anticipated expiration: 2031-08-17

Abstract

The utility model relates to a scraper knife angle adjusting device of bulldozer for building construction, which comprises a scraper knife, wherein the top end of the scraper knife is fixedly connected with an upper edge plate through a bolt, the bottom end of the scraper knife is fixedly connected with a lower edge plate through a bolt, the central position of the back of the scraper knife is fixedly connected with a second spherical hinge seat, the back of the scraper knife is fixedly connected with a first spherical hinge seat at the position close to four corners, one side of the first spherical hinge seat is provided with a fixed rod fixedly connected with the balls inside the first spherical hinge seat, and one side of the four second spherical hinge seats is provided with a hydraulic cylinder fixedly connected with the balls inside the second spherical hinge seat; this scheme, through the back central point at the spiller put the welding second ball hinged socket to set up first ball hinged socket around the second ball hinged socket, utilize four pneumatic cylinders to first ball hinged socket position department mutual independent control, realize the adjustment of spiller on different angles, make its can be better be applied to different scenes, promote its suitability.

Description

Scraper knife angle adjusting device of bulldozer for building construction

Technical Field

The application relates to the technical field of constructional engineering, in particular to a scraper knife angle adjusting device of a bulldozer for building construction.

Background

A bulldozer is an earthwork machine capable of excavating, transporting, and discarding rock soil, and has wide use in open-pit mines, for example, for construction of a dump site, leveling of a car dump site, accumulation of scattered rock, leveling of a work plate, a construction site, and the like, not only for auxiliary work but also for main mining work, for example, stripping and mining of a sand deposit, towing and boosting of a scraper and a plough, reduction of a stripping step height in cooperation with other earthwork machines in a non-transport mining method, and the like.

Most of the conventional bulldozer spades are subjected to angle adjustment around the rotating shaft of the driving arm under the action of the driving arm, the adjustment range is small, different construction requirements cannot be met, the bulldozer body is required to be matched usually, the workload is increased, and the energy consumption is increased. Accordingly, those skilled in the art have provided a blade angle adjusting apparatus for a bulldozer for construction to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of the background art, the present application provides a blade angle adjusting device of a bulldozer for construction.

The application provides a shovel sword angle adjusting device of bull-dozer for construction adopts following technical scheme:

the utility model provides a construction is with spiller angle adjusting device of bull-dozer, includes the spiller, the top bolt fixedly connected with top edge plate of spiller, and the bottom bolt fixedly connected with bottom edge plate of spiller, the back central point of spiller puts fixedly connected with second ball hinge seat, and the spiller back is close to the first ball hinge seat of the equal fixedly connected with in four turning position departments, second ball hinge seat one side be provided with rather than inside ball fixed connection's dead lever, four one side of first ball hinge seat is provided with rather than inside ball fixed connection's pneumatic cylinder, dead lever and pneumatic cylinder all with the forklift actuating arm between the fixed connection.

Through adopting above-mentioned technical scheme, set up first spherical hinge seat and second spherical hinge seat and make this position department can rotate at arbitrary angle to realize mutually supporting the back and adjust the multi-angle of spiller angle, promote the suitability of spiller.

Preferably, the outer sides of the connecting positions of the first spherical hinge seat and the hydraulic cylinder and the outer sides of the connecting positions of the second spherical hinge seat and the fixed rod are provided with protective sleeves, and the protective sleeves have certain flexibility.

Through adopting above-mentioned technical scheme, the protective sheath is established the hookup location department of spherical hinge seat, and the stability of spherical hinge action is promoted to the inside possibility that gets into the foreign matter of less spherical hinge.

Preferably, the positive fixedly connected with a plurality of iron chains of lower limb board, and evenly distributed between a plurality of iron chains to the free end of a plurality of iron chains runs through first ball pivot seat and extends to its back setting, and is a plurality of the length of iron chain is greater than the length of line between upper limb board and the lower limb board.

Through adopting above-mentioned technical scheme, evenly distributed's iron chain reduces earth and the positive laminating degree of spiller, promotes the cleaning capacity to the spiller.

Preferably, it is a plurality of respectively fixedly connected with balancing weight is equallyd divide to the free end of iron chain, and the balancing weight lies in the back of top edge plate and rather than laminating slip setting, the below of balancing weight is provided with the elastic rod rather than the cooperation use.

Through adopting above-mentioned technical scheme, a plurality of mutually independent balancing weights have guaranteed mutual independent motion between a plurality of iron chains, through the different effect effects to earth, reduce the possibility of earth adhesion.

Preferably, the elastic rod side view is C-shaped structure, and the one end and the last sideboard fixed connection of elastic rod, the bottom fixed connection of the other end and balancing weight, the elastic rod has the power of pulling the balancing weight downwards.

Through adopting above-mentioned technical scheme, the elastic rod acts on the balancing weight, guarantees to be located scraper bowl one side effort when great at the iron chain, still can reset, promotes the application scope of iron chain mechanism.

To sum up, the application comprises the following beneficial technical effects:

the center of the back of the scraper knife is welded with the second spherical hinge seat, the first spherical hinge seats are arranged around the second spherical hinge seat, and the four hydraulic cylinders are used for independently controlling the positions of the first spherical hinge seats, so that the scraper knife can be adjusted at different angles, can be better applied to different scenes, improves the applicability of the scraper knife, effectively reduces the position adjustment of a car body, and reduces the energy consumption of a forklift; set up a plurality of iron chains through the place ahead at the spiller, the free end fixed connection balancing weight of iron chain, and the balancing weight below sets up the elastic rod that its resets of cooperation, utilizes mutually independent control between a plurality of iron chains, reduces the openly possibility by the earth adhesion of spiller.

Drawings

FIG. 1 is a schematic rear view of a blade angle adjusting apparatus of a bulldozer for construction according to the embodiment of the present application;

FIG. 2 is a schematic side view showing a structure of a blade angle adjusting apparatus of a bulldozer for construction according to the embodiment of the present application;

fig. 3 is a schematic front view of a blade angle adjusting device of a bulldozer for construction according to the embodiment of the present application.

Description of reference numerals: 1. a scraper knife; 2. an upper edge panel; 3. a lower edge plate; 4. an iron chain; 5. a balancing weight; 6. an elastic rod; 7. a first spherical hinge mount; 8. a second spherical hinge mount; 9. a hydraulic cylinder; 10. fixing the rod; 11. and (6) a protective sleeve.

Detailed Description

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

The embodiment of the application discloses blade angle adjusting device of bulldozer for building construction. Referring to fig. 1-3, a scraper knife angle adjusting device of a bulldozer for building construction comprises a scraper knife 1, an upper edge plate 2 is fixedly connected to the top end of the scraper knife 1 through bolts, a lower edge plate 3 is fixedly connected to the bottom end of the scraper knife 1 through bolts, the upper edge plate 2 and the lower edge plate 3 can be replaced as required, and the condition that the whole scraper knife 1 needs to be replaced due to edge abrasion is small, a second spherical hinge seat 8 is fixedly connected to the central position of the back of the scraper knife 1, first spherical hinge seats 7 are fixedly connected to the positions, close to four corners, of the back of the scraper knife 1, two first spherical hinge seats 7 are symmetrically arranged with respect to the horizontal and vertical middle lines of the scraper knife 1, connecting lines among the four first spherical hinge seats 7 are in a rectangular structure, a fixing rod 10 fixedly connected with balls inside the second spherical hinge seats 8 is arranged on one side of the four first spherical hinge seats 7, a hydraulic cylinder 9 fixedly connected with the balls inside the four first spherical hinge seats is arranged on one side of the four first spherical hinge seats 7, the fixed rod 10 and the hydraulic cylinder 9 are fixedly connected with a forklift driving arm, the forklift driving arm adjusts the position and the angle of the whole scraper knife 1, the outer side of the connecting position of the first spherical hinged support 7 and the hydraulic cylinder 9 and the outer side of the connecting position of the second spherical hinged support 8 and the fixed rod 10 are both provided with a protective sleeve 11, the protective sleeve 11 has certain flexibility, the protective sleeve 11 ensures that foreign matters cannot enter the inside of the spherical hinged support, and the protective sleeve 11 is preferably made of rubber materials;

the front of the lower edge plate 3 is fixedly connected with a plurality of iron chains 4, the iron chains 4 are uniformly distributed, the free ends of the iron chains 4 penetrate through the first spherical hinge seat 7 and extend to the back of the first spherical hinge seat, the length of the iron chains 4 is greater than that of the connecting line between the upper edge plate 2 and the lower edge plate 3, when the first spherical hinge seat is free from the positive force of the scraper knife 1, the iron chains 4 are in a stretched state under the action of the counterweight 5, the free ends of the iron chains 4 are respectively and fixedly connected with the counterweight 5, the counterweight 5 is positioned at the back of the upper edge plate 2 and is in sliding fit with the upper edge plate, an elastic rod 6 matched with the counterweight 5 is arranged below the counterweight 5, the elastic rod 6 is in a C-shaped structure in side view, one end of the elastic rod 6 is fixedly connected with the upper edge plate 2, the other end of the elastic rod is fixedly connected with the bottom end of the counterweight 5, the elastic rod 6 has the force of pulling the counterweight 5 downwards, the counterweight 5 has greater restoring force by matching with the elastic rod 6, thereby improving the action effect of the device.

The implementation principle of the scraper knife angle adjusting device of the bulldozer for building construction is as follows: when the angle of the scraper knife 1 is adjusted, the four hydraulic cylinders 9 are independently controlled according to requirements, when two blades positioned above are extended and two blades positioned below are shortened, the upper end of the scraper knife 1 is inclined downwards, when two blades positioned above are shortened and two blades positioned above are extended, the bottom end of the scraper knife 1 is inclined upwards, when two blades positioned on one side are extended and two blades positioned on the other side are shortened, the scraper knife 1 is inclined leftwards or rightwards, so that the action of a forklift body is reduced under certain conditions, the fuel consumption is reduced, and the energy conservation performance of the forklift is improved; scraper knife 1 is when shoveling earth, earth pushes away iron chain 4 to scraper knife 1's inboard, when the volume of scraper knife 1 front earth reduces, under the work function of 4 top balancing weights of iron chain 5 and elastic rod 6, promote the reset of iron chain 4, because 5 mutual independence of balancing weight of 4 one ends of each iron chain, thereby the motion trend between each iron chain 4 is different, thereby can become flexible with probably adhesion earth on scraper knife 1, it drops to be convenient for, thereby promote scraper knife 1's suitability.

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. The utility model provides a shovel sword angle adjusting device of bull-dozer for construction, includes shovel sword (1), the top bolt fixedly connected with top edge plate (2) of shovel sword (1), and the bottom bolt fixedly connected with lower edge plate (3) of shovel sword (1), its characterized in that: the center of the back of the scraper knife (1) is fixedly connected with a second spherical hinge seat (8), the back of the scraper knife (1) is close to four corners and is fixedly connected with first spherical hinge seats (7), one side of each second spherical hinge seat (8) is provided with a fixing rod (10) fixedly connected with the inner ball of each second spherical hinge seat, and the other side of each first spherical hinge seat (7) is provided with a hydraulic cylinder (9) fixedly connected with the inner ball of each first spherical hinge seat, and the fixing rods (10) and the hydraulic cylinders (9) are fixedly connected with a driving arm of a forklift.

2. The blade angle adjusting device of a bulldozer for construction according to claim 1, in which: the outer side of the connecting position of the first spherical hinge seat (7) and the hydraulic cylinder (9) and the outer side of the connecting position of the second spherical hinge seat (8) and the fixing rod (10) are both provided with a protective sleeve (11), and the protective sleeve (11) has certain flexibility.

3. The blade angle adjusting device of a bulldozer for construction according to claim 1, in which: the front fixedly connected with of lower limb board (3) is a plurality of iron chains (4), and evenly distributed between a plurality of iron chains (4) to the free end of a plurality of iron chains (4) runs through first ball hinge seat (7) and extends to its back setting, and is a plurality of the length of iron chain (4) is greater than the length of line between last limb board (2) and lower limb board (3).

4. The blade angle adjusting device of a bulldozer according to claim 3, in which: it is a plurality of respectively fixedly connected with balancing weight (5) is equallyd divide to the free end of iron chain (4), and balancing weight (5) are located the back of top edge plate (2) and slide rather than the laminating and set up, the below of balancing weight (5) is provided with elastic rod (6) rather than the cooperation use.

5. The blade angle adjusting apparatus of a bulldozer for construction according to claim 4, in which: elastic rod (6) side view is personally submitted C shape structure, and the one end and last sideboard (2) fixed connection of elastic rod (6), the bottom fixed connection of the other end and balancing weight (5), elastic rod (6) have the power of dragging balancing weight (5) downwards.