CN218204630U - Excavator pushes away shovel backplate linkage - Google Patents

Abstract

The utility model discloses an excavator push shovel backplate linkage structure, which relates to the technical field of excavators and comprises a push shovel, wherein a backplate component is arranged on one side of the push shovel and comprises a top plate and two fixing components, the top plate is arranged at the top end of the push shovel in a sliding manner, two positioning blocks are fixedly arranged at the bottom end of the top plate, positioning grooves are respectively arranged on the front surface of one positioning block and the back surface of the other positioning block, and the bottom end of the top plate is connected with two side plates in a sliding manner; the utility model has the advantages that: through detachable roof and two curb plates that set up, the problem of the current integral type shovel backplate that pushes away need change whole shovel backplate after certain face is damaged has been solved, has reduced the replacement cost, and through the fixed subassembly that sets up, conveniently take off and install the curb plate, is favorable to the change of curb plate and roof, promotes change efficiency.

Description

Excavator pushes away shovel backplate linkage

Technical Field

The utility model relates to a push away shovel backplate linkage structure, in particular to excavator pushes away shovel backplate linkage structure belongs to excavator technical field.

Background

The push shovel of the excavator plays a role in removing front obstacles, cleaning roads or fixing the excavator body under a certain working condition, for example, the front obstacles and the roads can be cleaned in the advancing process, materials can be pushed together, loading is facilitated, and the excavator needs to use a protection plate to protect the rear end of the push shovel;

wherein the application number is "CN201921361430.0" the "shovel backplate linkage structure for excavator" also is mature technique day by day "and includes the headstock, the headstock has two, the drive wheel is installed to the one end of headstock, the surface mounting of headstock has the track, two install bending plane between the headstock, the surface mounting of bending plane one end has the connecting rod, the pneumatic cylinder is installed to the one end of connecting rod, bending plane's one end is installed and is pushed away the shovel, the both sides of pushing away the shovel all are provided with the deflector, the deflector outwards opens certain angle, the deflector passes through bending plane transitional coupling with the shovel that pushes away, the upper surface of shovel is provided with the draw-in groove, it is fixed through the draw-in groove with the shovel backplate, it is connected through two bracing pieces with bending plane to push away the shovel, the pivot is all installed to the both sides of bracing piece. The utility model discloses installed the spiller baffle additional, blockked that soil access device is inside in order to increase the deflector, make the excavation soil that the scraper bowl can be more convenient ", but the device still has following defect when in-service use.

1) Push away shovel backplate formula structure as an organic whole, need change whole push away shovel backplate after certain face damage of push away shovel backplate, the replacement cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an excavator pushes away shovel backplate linkage structure to current that proposes in solving above-mentioned background art pushes away shovel backplate formula structure as an organic whole, need change whole shovel backplate, the problem that the replacement cost is high when pushing away after certain face damage of shovel backplate.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an excavator pushes away shovel backplate linkage structure, is including pushing away the shovel, one side of pushing away the shovel is equipped with the backplate subassembly, the backplate subassembly includes roof and two fixed subassemblies, the roof slides and sets up on the top of pushing away the shovel, the bottom mounting of roof is equipped with two locating pieces, one of them the constant head tank has all been seted up to the front of locating piece and the back of another locating piece, the bottom sliding connection of roof has two curb plates, one of them the back and another of curb plate the front of curb plate all is fixed be equipped with the snap-plate of constant head tank looks block.

Preferably, the two fixing assemblies respectively comprise a connecting plate, the two connecting plates are fixedly arranged on one side of the push shovel, rhombic holes are formed in the surfaces of the two connecting plates, rhombic strips are connected to the inner walls of the rhombic holes in a sliding mode, the front face of one rhombic strip is fixedly connected with the back face of one side plate, the back face of the other rhombic strip is fixedly connected with the front face of the other side plate, limiting holes are formed in the surfaces of the two rhombic strips, sliding grooves are formed in the back face of one connecting plate and the front face of the other connecting plate, auxiliary plates are fixedly arranged on the back face of one connecting plate and the front face of the other connecting plate, through holes are formed in the surfaces of the two auxiliary plates, limiting rods clamped with the limiting holes are connected to the inner walls of the through holes in a sliding mode, dovetail blocks sliding with the sliding grooves are fixedly arranged at one ends of the two limiting rods, and tension springs are fixedly arranged between the two dovetail blocks and the corresponding auxiliary plates.

Preferably, the bottom ends of the two connecting plates are fixedly provided with vertical plates, the front surface of one vertical plate and the front surface of one connecting plate are slidably connected with the back surface of one side plate, the back surface of the other vertical plate and the back surface of the other connecting plate are slidably connected with the front surface of one side plate, the bottom ends of the two vertical plates are fixedly provided with first supporting plates, and the top ends of the two first supporting plates are slidably connected with the bottom ends of the two side plates respectively.

Preferably, the fixed first connecting fork spare, two second connecting fork spare and two guide blocks that are equipped with respectively in the surface that pushes away the shovel, the surface of first connecting fork spare is rotated through the round pin axle and is connected with first connecting block, one side of first connecting block is equipped with telescopic cylinder, telescopic cylinder's flexible end and one side fixed connection of first connecting block, two the surface of second connecting fork spare all is rotated through the round pin axle and is connected with the second backup pad, two the surface of second backup pad all is rotated through the round pin axle and is connected with the third connecting fork spare, two one side of third connecting fork spare is fixed and is equipped with the mounting panel.

Preferably, one side of mounting panel is fixed and is equipped with the fourth and connects the fork spare, the surface of fourth connection fork spare is connected with the second connecting block through the round pin hub rotation, one side of second connecting block and telescopic cylinder's one end fixed connection, the mounting hole has all been seted up to four corners of mounting panel.

Preferably, two the top of guide block all with the bottom sliding connection of roof, two the guiding hole has all been seted up on the surface of guide block, two the equal sliding connection of inner wall of guiding hole has the guide bar, two the top of guide bar all with the bottom fixed connection of roof.

Preferably, push rods are fixedly arranged on the surfaces of the two dovetail blocks, and anti-skidding sleeves are fixedly arranged on the surfaces of the two push rods.

Preferably, two the extension spring is established respectively in the outside of two gag lever posts, two the surface coating of extension spring has anti-rust paint.

Compared with the prior art, the utility model provides a pair of excavator pushes away shovel backplate linkage structure has following beneficial effect:

1. through the detachable top plate and the two side plates, the problem that the whole push shovel guard plate needs to be replaced after a certain surface of the existing integrated push shovel guard plate is damaged is solved, the replacement cost is reduced, the side plates are convenient to take down and install through the arranged fixing assembly, the replacement of the side plates and the top plate is facilitated, the replacement efficiency is improved, the dovetail block is moved and drives the limiting rod to move, the limiting rod is made to be separated from the limiting hole, the fixing of the limiting rod on the diamond-shaped strip is relieved, then the side plates are pulled, the side plates drive the diamond-shaped strip to move, and the diamond-shaped strip is separated from the diamond-shaped hole, so that the side plates are taken down;

2. through two block boards, two curb plates, two constant head tanks, two locating pieces, two guide blocks, the cooperation of two guiding holes and two guide bars, conveniently take off and install the roof, when needs change the roof, at first take off two curb plates, remove two block boards fixed to the roof, the rebound roof after that, the roof drives two guide bar rebound, until two guide bars break away from two guiding holes, thereby take off and lead the top, later the roof of renewing, make two guide bars at this top insert two guiding holes, install two curb plates after that, two block boards through two curb plates are fixed the roof.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the push shovel of the present invention;

FIG. 4 is a schematic side sectional view of the blade of the present invention;

fig. 5 is a schematic structural view of the positioning block of the present invention;

fig. 6 is a schematic structural view of the fixing assembly of the present invention;

fig. 7 is an enlarged schematic view of the utility model at the position B of fig. 6;

fig. 8 is a schematic top view of the fixing assembly of the present invention.

In the figure: 1. pushing and shoveling; 2. a fender assembly; 201. a top plate; 202. positioning blocks; 203. positioning a groove; 204. a side plate; 205. a clamping plate; 206. a fixing component; 2061. a connecting plate; 2062. rhombic holes; 2063. a diamond-shaped strip; 2064. a limiting hole; 2065. an auxiliary plate; 2066. a through hole; 2067. a limiting rod; 2068. a dovetail block; 2069. a tension spring; 3. a vertical plate; 4. a first support plate; 5. a first coupling yoke; 6. a second clevis component; 7. a first connection block; 8. a telescopic cylinder; 9. a second support plate; 10. a guide block; 11. a guide hole; 12. a guide rod; 13. a push rod; 14. a third clevis; 15. mounting a plate; 16. a fourth clevis; 17. a second connecting block; 18. and (7) mounting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-8, the present invention provides a linkage structure for a shovel guard plate of an excavator, which includes a shovel 1, wherein a guard plate assembly 2 is disposed on one side of the shovel 1;

the surface of the push shovel 1 is fixedly provided with a first connecting fork piece 5, two second connecting fork pieces 6 and two guide blocks 10 respectively, the surface of the first connecting fork piece 5 is rotatably connected with a first connecting block 7 through a pin shaft, one side of the first connecting block 7 is provided with a telescopic cylinder 8, the telescopic end of the telescopic cylinder 8 is fixedly connected with one side of the first connecting block 7, the surfaces of the two second connecting fork pieces 6 are rotatably connected with second supporting plates 9 through pin shafts, the surfaces of the two second supporting plates 9 are rotatably connected with third connecting fork pieces 14 through pin shafts, one side of each of the two third connecting fork pieces 14 is fixedly provided with a mounting plate 15, the telescopic cylinder 8 is electrically connected with a telescopic cylinder switch arranged on the surface of an externally-arranged switch panel through a wire, and the telescopic end of the telescopic cylinder 8 is extended or shortened to push or pull the push shovel 1 through the first connecting block 7 and the first connecting fork piece 5, so that the angle of the push shovel 1 is changed;

a fourth connecting fork 16 is fixedly arranged on one side of the mounting plate 15, the surface of the fourth connecting fork 16 is rotatably connected with a second connecting block 17 through a pin shaft, one side of the second connecting block 17 is fixedly connected with one end of the telescopic cylinder 8, mounting holes 18 are formed in four corners of the mounting plate 15, the telescopic cylinder 8 is assisted to adjust the angle of the push shovel 1 through the matching of the fourth connecting fork 16, the second connecting block 17, the third connecting fork 14 and the second supporting plate 9, and the mounting plate 15 is conveniently mounted on the chassis through the mounting holes 18 and bolts;

the top ends of the two guide blocks 10 are both connected with the bottom end of the top plate 201 in a sliding manner, guide holes 11 are formed in the surfaces of the two guide blocks 10, guide rods 12 are connected with the inner walls of the two guide holes 11 in a sliding manner, the top ends of the two guide rods 12 are both fixedly connected with the bottom end of the top plate 201, and the guide holes 11 limit the guide rods 12, so that the top plate 201 is limited in the horizontal direction, and meanwhile, the top plate 201 is positioned, and the subsequent installation of the side plate 204 is facilitated;

referring to fig. 1-8, the present invention provides an excavator blade guard plate linkage structure further comprising a guard plate assembly 2, the guard plate assembly 2 includes a top plate 201 and two fixing assemblies 206, the top plate 201 is slidably disposed at the top end of the blade 1, two positioning blocks 202 are fixedly disposed at the bottom end of the top plate 201, positioning grooves 203 are disposed on the front surface of one positioning block 202 and the back surface of the other positioning block 202, two side plates 204 are slidably connected to the bottom end of the top plate 201, and engaging plates 205 engaged with the positioning grooves 203 are fixedly disposed on the back surface of one side plate 204 and the front surface of the other side plate 204;

specifically, as shown in fig. 1, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, and fig. 8, first, the top plate 201 is placed on the top end of the blade 1, so that the two guide rods 12 are inserted into the two guide holes 11, thereby completing the positioning of the top plate 201, and then, the two side plates 204 are moved, the two side plates 204 drive the two engaging plates 205 to move, the two engaging plates 205 are inserted into the inner walls of the two positioning grooves 203, and the two engaging plates 205 are respectively abutted against the inner walls of the two positioning grooves 203, thereby completing the installation of the two side plates 204, and then, the two side plates 204 are fixed by the two fixing components 206, through the cooperation of the two engaging plates 205 and the two positioning blocks 202, the top plate 201 is fixed in the vertical direction, thereby completing the installation of the whole guard plate assembly 2, and through the detachable top plate 201 and the two side plates 204, thereby solving the problem that the existing integrated blade guard plate needs to be replaced after a certain surface is damaged, and reducing the replacement cost.

Example 2:

the two fixing assemblies 206 respectively comprise connecting plates 2061, the two connecting plates 2061 are fixedly arranged on one side of the push shovel 1, rhombic holes 2062 are formed in the surfaces of the two connecting plates 2061, rhombic strips 2063 are slidably connected with the inner walls of the two rhombic holes 2062, the front surface of one rhombic strip 2063 is fixedly connected with the back surface of one side plate 204, the back surface of the other rhombic strip 2063 is fixedly connected with the front surface of the other side plate 204, limiting holes 2064 are formed in the surfaces of the two rhombic strips 2063, sliding grooves are formed in the back surface of one connecting plate 2061 and the front surface of the other connecting plate 2061, auxiliary plates 2065 are fixedly arranged on the back surface of one connecting plate 2061 and the front surface of the other connecting plate 2061, through holes 2066 are formed in the surfaces of the two auxiliary plates 2065, limiting rods 2067 clamped with the limiting holes 2064 are slidably connected with the inner walls of the two through holes 2066, dovetail blocks 2068 sliding with dovetail sliding grooves are fixedly arranged at one ends of the two limiting rods 2067, and auxiliary blocks 2069 are fixedly arranged between the two corresponding tension spring plates 5;

the bottom of two connecting plates 2061 all fixes being equipped with riser 3, the front of one of them riser 3 and the front of one of them connecting plate 2061 all with the back sliding connection of one of them curb plate 204, the back of another riser 3 and the back of another connecting plate 2061 all with the front sliding connection of one of them curb plate 204, the bottom of two risers 3 all fixes being equipped with first backup pad 4, the top of two first backup pads 4 respectively with the bottom sliding connection of two curb plates 204, two risers 3 that set up can support the bottom of two curb plates 204, cooperate with two locating pieces 202 that support the top of two curb plates 204 through two snap-lock plates 205, strengthen the stability of two curb plates 204, be favorable to two curb plates 204 to protect the rear end of push shovel 1;

the two tension springs 2069 are respectively sleeved outside the two limit rods 2067 to prevent the tension springs 2069 from being excessively distorted, and the surfaces of the two tension springs 2069 are coated with antirust paint to prolong the service life of the two tension springs 2069;

push rods 13 are fixedly arranged on the surfaces of the two dovetail blocks 2068, anti-skidding sleeves are fixedly arranged on the surfaces of the two push rods 13, the dovetail blocks 2068 can be conveniently moved through the push rods 13, the side plates 204 can be conveniently detached and installed, friction is increased by the arranged anti-skidding sleeves, and the push rods 13 can be conveniently pushed and pulled;

specifically, as shown in fig. 1, 3, 7, and 8, when a damaged side plate 204 needs to be replaced, the dovetail block 2068 is moved, the dovetail block 2068 drives the limit rod 2067 to move, so that the limit rod 2067 is separated from the limit hole 2064, the fixing of the limit rod 2067 to the diamond-shaped strip 2063 is released, then the side plate 204 is pulled, the side plate 204 drives the diamond-shaped strip 2063 to move, the diamond-shaped strip 2063 is separated from the diamond-shaped hole 2062, the side plate 204 is removed, then the new side plate 204 is slid in, the diamond-shaped strip 2063 of the side plate 204 is inserted into the diamond-shaped hole 2062, the clamping plate 205 of the side plate 204 is abutted by the positioning block 202, the dovetail block 2068 is released, the tension spring 2069 is shortened, the limit rod 2067 is slid into the limit hole 2064, the new side plate 204 is installed, the side plate 204 is conveniently removed and installed, the side plate 204 is conveniently by the installed fixing assembly 206, the replacement of the side plate 204 and the top plate 201 is facilitated, and the replacement efficiency is improved.

The working principle is as follows: when the excavator push shovel guard plate linkage structure is used specifically, when a damaged side plate 204 needs to be replaced, the anti-slip sleeve is held to move the push rod 13, the push rod 13 drives the dovetail block 2068 to move, the dovetail block 2068 drives the limit rod 2067 to move, the limit rod 2067 is enabled to be separated from the limit hole 2064, the fixing of the limit rod 2067 to the diamond-shaped strip 2063 is released, then the side plate 204 is pulled, the diamond-shaped strip 2063 is driven to move by the side plate 204, the diamond-shaped strip 2063 is separated from the diamond-shaped hole 2062, the side plate 204 is taken down, then a new side plate 204 is slid in, the diamond-shaped strip 2063 of the side plate 204 is enabled to be inserted into the diamond-shaped hole 2062, the clamping plate of the side plate 204 is enabled to be abutted by the positioning block 202, the dovetail block 2068 is released, the tension spring 2069 is shortened, the limit rod 2067 is enabled to be slid into the limit hole 2064, the installation of the new side plate 204 is realized, the side plate 204 is conveniently taken down and installed through the arranged fixing component 206, the side plate 204 and the top plate 201 are convenient to be replaced, the replacement efficiency is improved, when the top plate 201 needs to be replaced, the two side plates 204 are firstly taken down, the fixing of the two clamping plates 205 to the top plate 201 is released, then the top plate 201 is moved upwards, the top plate 201 drives the two guide rods 12 to move upwards until the two guide rods 12 are separated from the two guide holes 11, so that the top plate 201 is taken down, then a new top plate 201 is replaced, so that the two guide rods 12 of the top plate 201 are inserted into the two guide holes 11, then the two side plates 204 are installed, the top plate 201 is fixed through the two clamping plates 205 of the two side plates 204, the two positioning grooves 203, the two positioning blocks 202, the two guide blocks 10, the two guide holes 11 and the two guide rods 12 are matched, the top plate 201 is convenient to take down and install, the telescopic cylinder 8 is electrically connected with a telescopic cylinder switch arranged on the surface of an external switch panel through a lead wire, when the telescopic end of the telescopic cylinder 8 extends or shortens, the telescopic cylinder 8 can push or pull the push shovel 1 through the first connecting block 7 and the first connecting fork 5, so as to change the angle of the push shovel 1, then the push shovel 1 drives the two side plates 204 to move through the matching of the two connecting plates 2061, the two diamond holes 2062 and the two diamond strips 2063, and then drives the top plate 201 to move through the matching of the two clamping plates 205 and the two positioning blocks 202, so that the linkage of the guard plate assembly 2 and the push shovel 1 is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an excavator pushes away shovel backplate linkage structure, includes and pushes away shovel (1), its characterized in that, one side of pushing away shovel (1) is equipped with backplate subassembly (2), backplate subassembly (2) include roof (201) and two fixed subassembly (206), roof (201) slide to set up on the top of pushing away shovel (1), the bottom mounting of roof (201) is equipped with two locating pieces (202), one of them the constant head tank (203) have all been seted up with the back of another locating piece (202) to the front of locating piece (202), the bottom sliding connection of roof (201) has two curb plates (204), one of them the back and another of curb plate (204) the front of curb plate (204) all is fixed be equipped with snap-plate (205) with constant head tank (203) looks block.

2. The excavator blade guard plate linkage structure of claim 1, wherein: the two fixing assemblies (206) respectively comprise connecting plates (2061), the two connecting plates (2061) are fixedly arranged on one side of the push shovel (1), diamond-shaped holes (2062) are formed in the surfaces of the two connecting plates (2061), diamond-shaped strips (2063) are respectively connected to the inner walls of the two diamond-shaped holes (2062) in a sliding mode, the front face of one diamond-shaped strip (2063) is fixedly connected with the back face of one side plate (204), the back face of the other diamond-shaped strip (2063) is fixedly connected with the front face of the other side plate (204), limiting holes (2064) are formed in the surfaces of the two diamond-shaped strips (2063), sliding grooves are formed in the back face of one connecting plate (2061) and the front face of the other connecting plate (2061), a connecting plate (2065) is fixedly arranged on the back face of the other connecting plate (2061), through holes (2066) are formed in the surfaces of the two dovetail plates (2065), the inner walls of the two through holes (2066) are respectively connected with a clamping block (2064) in the sliding mode, a clamping manner of the limiting holes (2064), and two auxiliary blocks (2067) are arranged between the sliding blocks (2068) and the sliding blocks (2067) corresponding to the dovetail plates (2068).

3. The excavator blade guard plate linkage structure of claim 2, wherein: the bottom of two connecting plates (2061) all is fixed and is equipped with riser (3), wherein the front of one of them riser (3) and the front of one of them connecting plate (2061) all with the back sliding connection of one of them curb plate (204), another the back of riser (3) and the back of another connecting plate (2061) all with the front sliding connection of one of them curb plate (204), two the bottom of riser (3) all is fixed and is equipped with first backup pad (4), two the top of first backup pad (4) respectively with the bottom sliding connection of two curb plates (204).

4. The excavator blade guard plate linkage structure of claim 1, wherein: push away the fixed first connecting fork spare (5), two second connecting fork spare (6) and two guide blocks (10) that are equipped with respectively in the surface of shovel (1), the surface of first connecting fork spare (5) is rotated through the round pin axle and is connected with first connecting block (7), one side of first connecting block (7) is equipped with telescopic cylinder (8), telescopic cylinder (8) the flexible end and one side fixed connection of first connecting block (7), two the surface of second connecting fork spare (6) all is rotated through the round pin axle and is connected with second backup pad (9), two the surface of second backup pad (9) all is rotated through the round pin axle and is connected with third connecting fork spare (14), two one side of third connecting fork spare (14) is fixed and is equipped with mounting panel (15).

5. The excavator blade guard plate linkage structure of claim 4, wherein: one side of mounting panel (15) is fixed and is equipped with fourth connecting fork spare (16), the surface of fourth connecting fork spare (16) is connected with second connecting block (17) through the round pin hub rotation, one side of second connecting block (17) and the one end fixed connection of telescopic cylinder (8), mounting hole (18) have all been seted up to four corners of mounting panel (15).

6. The excavator blade guard plate linkage structure of claim 4, wherein: two the top of guide block (10) all with the bottom sliding connection of roof (201), two guiding hole (11), two have all been seted up on the surface of guide block (10) the equal sliding connection of inner wall of guiding hole (11) has guide bar (12), two the top of guide bar (12) all with the bottom fixed connection of roof (201).

7. The excavator blade guard plate linkage structure of claim 2, wherein: push rods (13) are fixedly arranged on the surfaces of the two dovetail blocks (2068), and anti-skidding sleeves are fixedly arranged on the surfaces of the two push rods (13).

8. The excavator blade guard plate linkage structure of claim 2, wherein: the two extension springs (2069) are respectively sleeved outside the two limit rods (2067), and the surfaces of the two extension springs (2069) are coated with antirust paint.

Images