CN212405314U

CN212405314U - Dig quick-witted balancing weight fixed knot and construct

Info

Publication number: CN212405314U
Application number: CN202020348253.9U
Authority: CN
Inventors: 陈海标
Original assignee: Dongtai Zhenkun Machinery Technology Co ltd
Current assignee: Dongtai Zhenkun Machinery Technology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-01-26
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a dig quick-witted balancing weight fixed knot and construct relates to dig quick-witted balancing weight fixed technology field, receives the vibration interference for a long time for solving fixed knot and constructs, leads to fixed the appearance of balancing weight not hard up, can not in time fix not hard up balancing weight, breaks the balance of digging the machine in the twinkling of an eye easily when digging the quick-witted gyration to the problem that the slope takes place or turn over. The top of organism is provided with the louvre, the below of organism is provided with the bearing bridge, be provided with carousel support bearing between organism and the bearing bridge, the both sides of bearing bridge all are provided with the drive wheel, the top of organism is provided with the power arm, be provided with electric telescopic handle first between power arm and the organism, the inside of organism is provided with the baffle, one side of baffle is provided with U type slide rail, the top of U type slide rail is provided with the balancing weight, all be provided with electric telescopic handle second between balancing weight and organism and the baffle, the top of balancing weight is provided with electric telescopic handle third.

Description

Dig quick-witted balancing weight fixed knot and construct

Technical Field

The utility model relates to a dig fixed technical field of quick-witted balancing weight, specifically be a dig quick-witted balancing weight fixed knot and construct.

Background

The materials excavated by the excavator mainly comprise soil, coal, silt, soil subjected to pre-loosening and rocks. In view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator has become one of the most important construction machines in construction. The excavator structure comprises a power device, a working device, a swing mechanism, an operating mechanism, a transmission mechanism, a travelling mechanism, auxiliary facilities and the like. When the excavator works, the balance state of the excavator can be broken along with the increase of the internal mass of the bucket and the change of the inclination angle of the power arm, the excavator is easy to turn over, and the balancing weight is a heavy object for increasing the self weight to keep balance. When the excavator carries out different operations, the center of gravity of the excavator needs to be adjusted, so that the use is met, and the counterweight block of the excavator is fixed by the counterweight block fixing structure.

At present, fixing the balancing weight that the counter weight was adjusted, when transmitting fixed knot along with digging the vibration that quick-witted work produced, lack the shock-absorbing capacity, lead to easily that fixed knot constructs to the balancing weight is fixed to appear becoming flexible, can not in time point out the regulation, the balancing weight appears sliding easily when rotating and drops, breaks the balance of digging the machine in the twinkling of an eye, and it is extremely likely that the machine of digging appears empting or turning over, and the influence is dug quick-witted normal work, can not satisfy the user demand. Therefore, a counterweight fixing structure for a digging machine is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an it constructs to dig quick-witted balancing weight fixed knot to it receives the vibration interference for a long time to propose fixed knot structure in solving above-mentioned background, leads to appearing becoming flexible fixing the balancing weight, can not in time fix not hard up balancing weight, breaks the balance of digging the machine in the twinkling of an eye easily when digging the quick-witted gyration, thereby takes place to incline or turn over, influences the problem of digging quick-witted normal use.

In order to achieve the above object, the utility model provides a following technical scheme: a counterweight fixing structure of an excavator comprises an excavator body, wherein heat dissipation holes are formed in the upper portion of the excavator body, four heat dissipation holes are formed, one ends of the four heat dissipation holes extend into the excavator body, a bearing bridge is formed below the excavator body, a turntable support bearing is arranged between the excavator body and the bearing bridge, two ends of the turntable support bearing are respectively connected with the excavator body and the bearing bridge in a gas welding mode, driving wheels are arranged on two sides of the bearing bridge, four driving wheels are arranged on the four driving wheels, two caterpillar bands are arranged outside the four driving wheels, the two caterpillar bands are in transmission connection with the driving wheels, a power arm is arranged above the excavator body, one end of the power arm is rotatably connected with the excavator body through a hinged support, an electric telescopic rod A is arranged between the power arm and the excavator body, and two ends of the electric telescopic rod A are respectively rotatably connected with the, an operation box is arranged on one side of the power arm and is connected with the machine body in a gas welding way, a seat is arranged in the operation box, the seat is connected with the operation box through screws, a baffle is arranged inside the machine body and is connected with the machine body through screws, a U-shaped slide rail is arranged on one side of the baffle, the U-shaped slide rail is connected with the machine body in a gas welding way, a balancing weight is arranged above the U-shaped slide rail, electric telescopic rods B are arranged between the balancing weight and the machine body as well as between the balancing weight and the baffle plate, an electric telescopic rod C is arranged above the balancing weight, the electric telescopic rod is connected with the machine body in a gas welding way, the inside of the U-shaped slide rail is provided with two slide grooves, and two spouts are symmetrically arranged, two connecting pieces are arranged between the spouts, the inside of each connecting piece is provided with a roller, and the two ends of each roller penetrate through the connecting pieces and extend to the inside of each spout.

Preferably, a reinforcing rib is arranged inside the machine body.

Preferably, four the inside of louvre all is provided with the filter screen, and the filter screen is connected with the inner wall laminating of louvre.

Preferably, a level gauge is arranged above the baffle plate, and the level gauge is connected with the baffle plate through screws.

Preferably, the two sides of the U-shaped slide rail are provided with limit blocks, and the two limit blocks are attached to and connected with the U-shaped slide rail.

Preferably, the clamping block is arranged below the electric telescopic rod C, the clamping block is attached to the balancing weight, and a pressure sensor is arranged inside the clamping block.

Preferably, a spring is arranged between the connecting piece and the U-shaped sliding rail, and two ends of the spring are respectively and elastically connected with the connecting piece and the U-shaped sliding rail.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model drives the clamping block to clamp and fix the adjusted balancing weight under the action of the electric telescopic rod C through the arrangement of the electric telescopic rod C and the pressure sensor; pressure sensor can detect out the extrusion force between grip block and the balancing weight, avoids the centre gripping not enough to lead to the balancing weight fixed not good, and the balancing weight appears sliding easily, influences the use. The problem of for the convenience of counter weight regulation, the balancing weight can slide, and the balancing weight is fixed not hard up easily to result in the balancing weight to fix not good, appears the rollover easily is solved.

2. According to the utility model, through the arrangement of the gradienter and the electric telescopic rod B, the gradienter can detect the gravity center gradient of the whole excavator, so that the counterweight can be adjusted in time; the counterweight is driven to horizontally slide under the action of the electric telescopic rod B, and then the gravity center of the excavator is changed. The problem of when carrying out different work, can carry out the focus and adjust to satisfy different work demands is solved.

3. The utility model can filter the dust mixed in the air convection during heat dissipation through the arrangement of the filter screen, the roller and the spring; when grip block and balancing weight separation, drive the connecting piece and rise under the effect of spring, then drive the gyro wheel and rise, separate balancing weight and U type slide rail for the gyro wheel laminates with the balancing weight mutually, and the slip of balancing weight when the balancing weight of being convenient for is adjusted. The problem of can in time dredge away the heat that produces, prevent that external dust from entering into the organism inside, improve the sliding property of balancing weight when the counter weight is adjusted is solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the machine body of the present invention;

fig. 4 is a partial enlarged view of the area a of the present invention.

In the figure: 1. a body; 2. reinforcing ribs; 3. heat dissipation holes; 4. a turntable support bearing; 5. a drive wheel; 6. a crawler belt; 7. a bearing bridge is built; 8. a power arm; 9. hinging seat; 10. an electric telescopic rod A; 11. a baffle plate; 12. a U-shaped slide rail; 13. a limiting block; 14. an electric telescopic rod B; 15. c, electrically telescoping a rod C; 16. a level gauge; 17. an operation box; 18. a seat; 19. a filter screen; 20. a balancing weight; 21. a clamping block; 22. a pressure sensor; 23. a chute; 24. a roller; 25. a connecting member; 26. a spring.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a counterweight fixing structure of an excavator comprises an excavator body 1, heat dissipation holes 3 are formed in the upper portion of the excavator body 1, four heat dissipation holes 3 are formed, one ends of the four heat dissipation holes 3 extend into the excavator body 1, the heat dissipation holes 3 can dissipate heat generated by the operation in the excavator body, a bearing bridge 7 is arranged below the excavator body 1, a turntable support bearing 4 is arranged between the excavator body 1 and the bearing bridge 7, two ends of the turntable support bearing 4 are respectively connected with the excavator body 1 and the bearing bridge 7 in a gas welding mode, the turntable support bearing 4 can rotate, driving wheels 5 are arranged on two sides of the bearing bridge 7, four driving wheels 5 are arranged, tracks 6 are arranged on the outer portions of the four driving wheels 5, two tracks 6 are arranged, the two tracks 6 are connected with the driving wheels 5 in a transmission mode, a power arm 8 is arranged above the excavator body 1, and one end of the power arm 8 is rotatably connected with the excavator body, an electric telescopic rod A10 is arranged between a power arm 8 and a machine body 1, two ends of the electric telescopic rod A10 are respectively connected with the power arm 8 and the machine body 1 in a rotating way, the electric telescopic rod A10 can drive the power arm 8 to rotate, one side of the power arm 8 is provided with an operation box 17, the operation box 17 is connected with the machine body 1 in a gas welding way, a seat 18 is arranged inside the operation box 17, the seat 18 is connected with the operation box 17 through screws, a baffle 11 is arranged inside the machine body 1, the baffle 11 is connected with the machine body 1 through screws, one side of the baffle 11 is provided with a U-shaped slide rail 12, the U-shaped slide rail 12 is connected with the machine body 1 in a gas welding way, a counterweight 20 is arranged above the U-shaped slide rail 12, the counterweight 20 can change the gravity center of the excavator, an electric telescopic rod B14 is arranged between the counterweight 20 and the machine body 1, the top of balancing weight 20 is provided with electric telescopic handle third 15, and electric telescopic handle third 15 is connected with 1 gas welding of organism, electric telescopic handle third 15 can carry out the centre gripping with balancing weight 20 fixed, the inside of U type slide rail 12 is provided with spout 23, spout 23 is provided with two, and two 23 symmetries of spout set up, be provided with connecting piece 25 between two spout 23, the inside of connecting piece 25 is provided with gyro wheel 24, and the both ends of gyro wheel 24 all run through connecting piece 25 and extend to the inside of spout 23. The rollers 24 facilitate sliding of the weight 20.

Further, a reinforcing rib 2 is provided inside the machine body 1. Can effectual improvement organism 1's structural strength through strengthening rib 2, increase life.

Further, the inside of four louvres 3 all is provided with filter screen 19, and filter screen 19 is connected with the inner wall laminating of louvre 3. The dust mixed in the air convection can be filtered by the filter net 19.

Further, a level 16 is arranged above the baffle plate 11, and the level 16 is connected with the baffle plate 11 through screws. The inclination of the excavator's center of gravity can be detected by the level gauge 16.

Further, the both sides of U type slide rail 12 all are provided with stopper 13, and just two stopper 13 all are connected with the laminating of U type slide rail 12. The counterweight block 20 can be prevented from being separated from the U-shaped slide rail 12 by the limiting block 13 during counterweight adjustment.

Further, the clamping block 21 is arranged below the electric telescopic rod C15, the clamping block 21 is attached to the balancing weight 20, and the pressure sensor 22 is arranged inside the clamping block 21. The extrusion force between the clamping block 21 and the balancing weight 20 can be detected by the pressure sensor 22, so that poor fixation of the balancing weight 20 caused by insufficient clamping is avoided.

Further, a spring 26 is arranged between the connecting member 25 and the U-shaped slide rail 12, and two ends of the spring 26 are respectively elastically connected with the connecting member 25 and the U-shaped slide rail 12. The spring 26 can lift the connecting element 25 and thus the roller 24.

The working principle is as follows: when the device is used, the gravity center inclination of the excavator is detected through the level gauge 16, so that the balance weight is adjusted; drive electric telescopic handle second 14, drive balancing weight 20 and slide on U type slide rail 12 under electric telescopic handle second 14's effect, then change the focus. Slide suitable position department at balancing weight 20, drive electric telescopic handle third of the ten heavenly stems 15, can drive clamping block 21 and extrude balancing weight 20 under electric telescopic handle third of the ten heavenly stems 15's effect, balancing weight 20 that will adjust fixes, spring 26 can be compressed under the effect of extrusion force, then reduce roller 24's height for U type slide rail 12 and balancing weight 20 direct contact increase the stress area and the frictional force between balancing weight 20 and U type slide rail 12. When the clamping block 21 is separated from the weight block 20, the U-shaped slide rail 12 is separated from the weight block 20 under the action of the spring 26, so that the U-shaped slide rail 12 and the weight block 20 can slide relatively. The limiting block 13 can effectively prevent the balancing weight 20 from separating from the U-shaped sliding rail 12 during the balance weight adjustment; the heat dissipation holes 3 can dissipate heat generated by the excavator during working, and the filter screen 19 can filter dust mixed in air convection; pressure sensor 22 can detect the extrusion force between grip block 21 and the balancing weight 20, avoids the extrusion not enough to lead to balancing weight 20 fixed stability to reduce, and balancing weight 20 appears sliding easily, influences the use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a dig quick-witted balancing weight fixed knot and construct, includes organism (1), its characterized in that: the machine body is characterized in that the heat dissipation holes (3) are formed in the upper portion of the machine body (1), four heat dissipation holes (3) are formed, one ends of the four heat dissipation holes (3) extend into the machine body (1), a bearing bridge (7) is arranged below the machine body (1), a turntable support bearing (4) is arranged between the machine body (1) and the bearing bridge (7), two ends of the turntable support bearing (4) are respectively connected with the machine body (1) and the bearing bridge (7) in a gas welding mode, driving wheels (5) are arranged on two sides of the bearing bridge (7), four driving wheels (5) are arranged, tracks (6) are arranged on the outer portions of the four driving wheels (5), two tracks (6) are arranged, the two tracks (6) are in transmission connection with the driving wheels (5), a power arm (8) is arranged above the machine body (1), and one end of the power arm (8) is rotatably connected with the machine body (1) through a hinged support (9), an electric telescopic rod A (10) is arranged between the power arm (8) and the machine body (1), two ends of the electric telescopic rod A (10) are respectively connected with the power arm (8) and the machine body (1) in a rotating mode, an operation box (17) is arranged on one side of the power arm (8), the operation box (17) is connected with the machine body (1) in a gas welding mode, a seat (18) is arranged inside the operation box (17), the seat (18) is connected with the operation box (17) through screws, a baffle (11) is arranged inside the machine body (1), the baffle (11) is connected with the machine body (1) through screws, a U-shaped sliding rail (12) is arranged on one side of the baffle (11), the U-shaped sliding rail (12) is connected with the machine body (1) in a gas welding mode, a balancing weight (20) is arranged above the U-shaped sliding rail (12), and an electric telescopic rod B (14) is arranged between the balancing weight (20) and the machine body (1), the top of balancing weight (20) is provided with electric telescopic handle third (15), and electric telescopic handle third (15) is connected with organism (1) gas welding, the inside of U type slide rail (12) is provided with spout (23), and spout (23) are provided with two, and two spout (23) symmetry sets up, two be provided with connecting piece (25) between spout (23), the inside of connecting piece (25) is provided with gyro wheel (24), and the both ends of gyro wheel (24) all run through connecting piece (25) and extend to the inside of spout (23).

2. The counterweight fixing structure for excavator according to claim 1, wherein: and a reinforcing rib (2) is arranged in the machine body (1).

3. The counterweight fixing structure for excavator according to claim 1, wherein: four the inside of louvre (3) all is provided with filter screen (19), and the inner wall laminating of filter screen (19) and louvre (3) is connected.

4. The counterweight fixing structure for excavator according to claim 1, wherein: a level gauge (16) is arranged above the baffle plate (11), and the level gauge (16) is connected with the baffle plate (11) through screws.

5. The counterweight fixing structure for excavator according to claim 1, wherein: the two sides of the U-shaped sliding rail (12) are provided with limiting blocks (13), and the two limiting blocks (13) are attached to the U-shaped sliding rail (12) in a connecting mode.

6. The counterweight fixing structure for excavator according to claim 1, wherein: the electric telescopic rod C (15) is provided with a clamping block (21) below, the clamping block (21) is attached to a balancing weight (20), and a pressure sensor (22) is arranged inside the clamping block (21).

7. The counterweight fixing structure for excavator according to claim 1, wherein: and a spring (26) is arranged between the connecting piece (25) and the U-shaped sliding rail (12), and two ends of the spring (26) are respectively elastically connected with the connecting piece (25) and the U-shaped sliding rail (12).