CN211735566U - A ground excavator arm for building engineering - Google Patents

Abstract

The utility model discloses a ground excavator arm for building engineering, including arm main part, supporting shoe, first pneumatic cylinder, bucket and motor, the end-to-end connection of arm main part has the supporting shoe, and the lower fixed surface of arm main part is provided with first pneumatic cylinder, first telescopic link is installed to the output of first pneumatic cylinder, and the end-to-end connection of first telescopic link is on the top of supporting shoe, the last fixed surface of supporting shoe is provided with the second pneumatic cylinder, and the second telescopic link is installed to the output of second pneumatic cylinder. This a ground excavator arm for building engineering, the accessible carries out the unscrewing with the second bolt for compression spring pops open the connecting block through the fixed plate and no longer with dig the piece block joint, can dismantle from the bucket the piece of digging this moment, can change the piece of digging this moment, reaches to be convenient for to change the excavation part of excavator arm, prevents the too much effect of wearing and tearing part, influences the construction speed.

Description

A ground excavator arm for building engineering

Technical Field

The utility model relates to a building engineering technical field specifically is a ground excavating mechanical arm for building engineering.

Background

Building engineering is mainly under construction to house, underground, tunnel and road bridge etc. and need use an excavating equipment in building engineering's the work progress, this excavating equipment excavates the soil through the swing etc. that uses the arm of digging, the construction of the foundation ditch etc. of being convenient for, but this arm of digging has some shortcomings:

firstly, a common mechanical arm generally uses a bucket to dig, and the digging part of the bucket cannot be replaced, so that the bucket cannot be replaced in time when being worn, and the project progress is influenced;

secondly, the function of the excavating mechanical arm is not only used for excavating articles, but also can carry the articles, and the common excavating bucket does not have a filtering function, so that certain trouble can be caused when only the articles such as fine sand and the like need to be excavated.

Disclosure of Invention

The utility model aims to provide a foundation excavating mechanical arm for building engineering, which solves the problem that the excavating part is inconvenient to replace in the prior art; has no self-filtering function.

In order to achieve the above object, the utility model provides a following technical scheme: a foundation excavator mechanical arm for constructional engineering comprises a mechanical arm main body, a supporting block, a first hydraulic cylinder, an excavator bucket and a motor, wherein the end of the mechanical arm main body is connected with the supporting block, the lower surface of the mechanical arm main body is fixedly provided with the first hydraulic cylinder, the output end of the first hydraulic cylinder is provided with a first telescopic rod, the end of the first telescopic rod is connected to the top end of the supporting block, the upper surface of the supporting block is fixedly provided with a second hydraulic cylinder, the output end of the second hydraulic cylinder is provided with a second telescopic rod, the ends of the second telescopic rod and the supporting block are both connected to the top end of the excavator bucket, the outer surface of the excavator bucket is fixedly provided with a barrier plate, the inner part of the barrier plate is connected with a torsion spring roller, the outer surface of the torsion spring roller is connected with a filter screen, the, and the fixed block is run through by first bolt and lug respectively to the external fixed surface of lug is provided with coupling spring, the bottom right surface of bucket is run through by the connecting block, and the left side fixed surface of connecting block is connected with the stopper to the stopper is located the inside of bucket, the end of bucket runs through the left surface of digging the piece, and the surface of digging piece, stopper and bucket all runs through by the second bolt, the inside fixed compression spring that is provided with of digging the piece, and compression spring's terminal fixedly connected with fixed plate, the inside fixed motor that is provided with of digging the piece, and the output of motor installs the fixed column, the fixed cutting blade and the drill bit that are provided with respectively of the surface of fixed column, and cutting blade and drill bit all run through the surface of digging the piece.

Preferably, the supporting blocks respectively form a rotating structure with the first telescopic rod, the mechanical arm main body and the bucket, the bucket and the blocking plate form an integrated structure, and the blocking plate is symmetrically distributed around the longitudinal center line of the side view surface of the bucket.

Preferably, the filter screen and the torsion spring roller form a winding rotating structure, the filter screen and the fixing block form a sliding structure with the blocking plate, and the fixing block is in threaded connection with the first bolt.

Preferably, the number of the convex blocks is 2, and the convex blocks and the other convex blocks form an elastic structure through connecting springs.

Preferably, dig the piece and be connected for the block with connecting block and bucket respectively, and the bucket with dig the piece and all be threaded connection with the second bolt to connecting block and stopper all constitute sliding construction with the bucket, the front view upper end of stopper is the inclined plane simultaneously.

Preferably, fixed column, cutting blade and drill bit all constitute rotating-structure with digging the piece, and cutting blade reduces equidistant setting at the surface of fixed column from a left side to the right side gradually.

Compared with the prior art, the beneficial effects of the utility model are that: this a ground excavator arm for building engineering:

1. the second bolt can be loosened, so that the compression spring bounces the connecting block through the fixing plate and is not clamped with the digging block any more, the digging block can be detached from the digging bucket at the moment, the digging block can be replaced at the moment, the effect of conveniently replacing the digging part of the mechanical arm of the digging machine and preventing the excessive abrasion part from influencing the construction speed is achieved;

2. the filter screen can be rolled out from the torsion spring roller by pulling the fixed block, and then the convex block is popped out of the fixed block under the action of the connecting spring, and the fixed block is limited and cannot slide due to the fact that the convex block is larger than the sliding groove in the bucket;

3. when the motor is started, the cutting blade and the drill bit can rotate, when the digging block touches a part needing digging, the digging speed can be improved through the rotation of the cutting blade and the drill bit, and the time of construction digging is shortened.

Drawings

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

FIG. 2 is a schematic overall front sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the fixing block of the present invention;

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

fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a robot arm main body; 2. a support block; 3. a first hydraulic cylinder; 4. a first telescopic rod; 5. a second hydraulic cylinder; 6. a second telescopic rod; 7. excavating a bucket; 8. a barrier plate; 9. a torsion spring roller; 10. a filter screen; 11. a fixed block; 12. a first bolt; 13. a bump; 14. a connecting spring; 15. a limiting block; 16. connecting blocks; 17. digging blocks; 18. a second bolt; 19. a compression spring; 20. a fixing plate; 21. a motor; 22. fixing a column; 23. a cutting blade; 24. a drill bit.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a foundation excavation mechanical arm for construction engineering comprises a mechanical arm main body 1, a supporting block 2, a first hydraulic cylinder 3, a first telescopic rod 4, a second hydraulic cylinder 5, a second telescopic rod 6, an excavating bucket 7, a barrier plate 8, a torsion spring roller 9, a filter screen 10, a fixing block 11, a first bolt 12, a lug 13, a connecting spring 14, a limiting block 15, a connecting block 16, an excavating block 17, a second bolt 18, a compression spring 19, a fixing plate 20, a motor 21, a fixing column 22, a cutting blade 23 and a drill bit 24, wherein the supporting block 2 is connected to the tail end of the mechanical arm main body 1, the first hydraulic cylinder 3 is fixedly arranged on the lower surface of the mechanical arm main body 1, the first telescopic rod 4 is installed at the output end of the first hydraulic cylinder 3, the tail end of the first telescopic rod 4 is connected to the top end of the supporting block 2, the second hydraulic cylinder 5 is fixedly arranged on the upper surface of the, the tail ends of the second telescopic rod 6 and the supporting block 2 are connected to the top end of the bucket 7, the outer surface of the bucket 7 is fixedly provided with a barrier plate 8, the inner part of the barrier plate 8 is connected with a torsion spring roller 9, the outer surface of the torsion spring roller 9 is connected with a filter screen 10, the filter screen 10 penetrates through the outer surface of the barrier plate 8, the tail end of the filter screen 10 is fixedly connected with a fixed block 11, the fixed block 11 is respectively penetrated through by a first bolt 12 and a lug 13, the outer surface of the lug 13 is fixedly provided with a connecting spring 14, the right surface of the bottom end of the bucket 7 is penetrated through by a connecting block 16, the left surface of the connecting block 16 is fixedly connected with a limiting block 15, the limiting block 15 is positioned in the bucket 7, the tail end of the bucket 7 penetrates through the left surface of the digging block 17, the limiting block 15 and the outer surfaces of the bucket 7 are penetrated by a second bolt, and compression spring 19's terminal fixedly connected with fixed plate 20, dig the fixed motor 21 that is provided with in inside of piece 17, and fixed column 22 is installed to motor 21's output, and fixed cutting blade 23 and the drill bit 24 of being provided with respectively of fixed column 22's surface, and cutting blade 23 and drill bit 24 all run through the surface of digging piece 17.

Supporting shoe 2 constitutes revolution mechanic with first telescopic link 4, arm main part 1 and bucket 7 respectively, and bucket 7 constitutes integral structure with baffler 8 to baffler 8 is about the longitudinal center line symmetric distribution of side view of bucket 7, can promote supporting shoe 2 rotatory when first telescopic link 4 functions, and rethread supporting shoe 2 and bucket 7's rotation for bucket 7 can excavate work, excavates earth etc. through baffler 8.

The filter screen 10 and the torsion spring roller 9 form a winding rotating structure, the filter screen 10 and the fixing block 11 form a sliding structure with the barrier plate 8, the fixing block 11 and the first bolt 12 are in threaded connection, and when the torsion spring roller 9 rolls the filter screen 10, the filter screen 10 can drive the filter screen 10 to slide.

The number of the convex blocks 13 is 2, and the convex blocks 13 and the other convex blocks 13 form an elastic structure through the connecting spring 14, when the first bolt 12 is locked, the convex blocks 13 cannot retract into the fixing block 11, so that the filter screen 10 is prevented from being furled because the convex blocks 13 are extruded in the excavating process.

Dig the piece 17 and be connected for the block with connecting block 16 and bucket 7 respectively, and bucket 7 with dig the piece 17 and all be threaded connection with second bolt 18, and connecting block 16 and stopper 15 all constitute sliding structure with bucket 7, stopper 15's front view upper end is the inclined plane simultaneously, and when the second bolt 18 of screwing, second bolt 18 can extrude the stopper 15 on inclined plane, make stopper 15 promote connecting block 16 and dig the piece 17 and carry out the block, thereby reach and dig the effect that the piece 17 received the restriction block, prevent to dig the piece 17 and drop.

Fixed column 22, cutting blade 23 and drill bit 24 all constitute rotating-structure with dig piece 17, and cutting blade 23 from a left side to right side and dwindle the equidistant setting at fixed column 22's surface gradually, when fixed column 22, cutting blade 23 and drill bit 24 are rotatory, can be quick excavate earth etc. through cutting blade 23 and drill bit 24's rotation, improve the efficiency of construction.

The working principle is as follows: when the foundation excavation mechanical arm for building engineering is used, according to the figures 1, 2, 4 and 5, firstly, the excavation block 17 is clamped into the excavation bucket 7, the excavation bucket 7 and the excavation block 17 are locked by the second bolt 18, the limiting block 15 is extruded in the locking process of the second bolt 18, the limiting block 15 is pushed due to the inclined surface of the upper surface of the limiting block 15, the connecting block 16 is pushed when the limiting block 15 is extruded, the connecting block 16 is pushed into the excavation bucket 7 for clamping, the safety clamping effect is achieved, the limiting block 15 is always extruded by the second bolt 18, the fixing plate 20 cannot push the connecting block 16 through the compression spring 19, the integral installation is completed at the moment, then, the device which needs electricity is connected with an external power supply, the first telescopic rod 4 can be driven to stretch by starting the first hydraulic cylinder 3 on the mechanical arm main body 1, the first telescopic rod 4 can push or pull the supporting block 2 to rotate, when the second hydraulic cylinder 5 on the supporting block 2 is started, the excavator bucket 7 is pushed or pulled to rotate through the second telescopic rod 6, so that the excavation work is carried out, meanwhile, in the excavation process, the motor 21 is started to drive the fixing column 22 to rotate, so that the cutting blade 23 and the drill bit 24 rotate, the effect of improving the excavation speed through the cutting blade 23 and the drill bit 24 is achieved, and the construction time required by excavation is effectively reduced;

when materials such as fine sand need to be carried, according to the figures 1, 2, 3 and 4, the filter screen 10 is pulled from the torsion spring roller 9 and the barrier plate 8 by pulling the fixing block 11, at the moment, the lug 13 is pressed, the fixing block 11 is completely pulled out of the barrier plate 8, the first bolt 12 is screwed, the first bolt 12 is arranged between the lug 13 at the two ends, when the lug 13 is loosened, the lug 13 is popped out of the fixing block 11 under the action of the connecting spring 14, and because the first bolt 12 is arranged between the lugs 13 at the two ends, the lug 13 cannot be retracted into the fixing block 11 under the external extrusion, the situation that the fixing block 11 is prevented from being retracted into the barrier plate 8 by the lug 13 at the two ends is achieved, at the moment, the filter screen 10 can be used for filtering the fine sand during excavation, only fine sand can enter the excavating bucket 7, and the effect of facilitating the carrying of the fine sand is achieved, the overall practicability is increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (6)

1. The utility model provides a ground excavator arm for building engineering, includes arm main part (1), supporting shoe (2), first pneumatic cylinder (3), bucket (7) and motor (21), its characterized in that: the end of the mechanical arm main body (1) is connected with a supporting block (2), the lower surface of the mechanical arm main body (1) is fixedly provided with a first hydraulic cylinder (3), the output end of the first hydraulic cylinder (3) is provided with a first telescopic rod (4), the end of the first telescopic rod (4) is connected with the top end of the supporting block (2), the upper surface of the supporting block (2) is fixedly provided with a second hydraulic cylinder (5), the output end of the second hydraulic cylinder (5) is provided with a second telescopic rod (6), the ends of the second telescopic rod (6) and the supporting block (2) are both connected with the top end of a bucket (7), the outer surface of the bucket (7) is fixedly provided with a barrier plate (8), the inside of the barrier plate (8) is connected with a torsion spring roller (9), the outer surface of the torsion spring roller (9) is connected with a filter screen (10), and the filter screen (10) penetrates through the, the tail end of the filter screen (10) is fixedly connected with a fixing block (11), the fixing block (11) is respectively penetrated through by a first bolt (12) and a convex block (13), a connecting spring (14) is fixedly arranged on the outer surface of the convex block (13), the right surface of the bottom end of the bucket (7) is penetrated through by a connecting block (16), a limiting block (15) is fixedly connected to the left surface of the connecting block (16), the limiting block (15) is positioned in the bucket (7), the tail end of the bucket (7) penetrates through the left surface of the digging block (17), the outer surfaces of the digging block (17), the limiting block (15) and the bucket (7) are all penetrated through by a second bolt (18), a compression spring (19) is fixedly arranged in the digging block (17), a fixing plate (20) is fixedly connected to the tail end of the compression spring (19), and a motor (21) is fixedly arranged in the digging block (17), and fixed column (22) are installed to the output of motor (21), the surface of fixed column (22) is fixed cutting blade (23) and drill bit (24) of being provided with respectively, and cutting blade (23) and drill bit (24) all run through the surface of digging piece (17).

2. A ground excavating robot for construction engineering as claimed in claim 1, wherein: the supporting blocks (2) respectively form a rotating structure with the first telescopic rods (4), the mechanical arm main body (1) and the excavator bucket (7), the excavator bucket (7) and the blocking plate (8) form an integrated structure, and the blocking plate (8) is symmetrically distributed around the longitudinal center line of the side view surface of the excavator bucket (7).

3. A ground excavating robot for construction engineering as claimed in claim 1, wherein: the filter screen (10) and the torsion spring roller (9) form a winding rotating structure, the filter screen (10) and the fixing block (11) form a sliding structure with the barrier plate (8), and the fixing block (11) is in threaded connection with the first bolt (12).

4. A ground excavating robot for construction engineering as claimed in claim 1, wherein: the number of the convex blocks (13) is 2, and the convex blocks (13) and the other convex blocks (13) form an elastic structure through connecting springs (14).

5. A ground excavating robot for construction engineering as claimed in claim 1, wherein: dig piece (17) and connecting block (16) and bucket (7) respectively and be connected for the block, and bucket (7) and dig piece (17) and all be threaded connection with second bolt (18), and connecting block (16) and stopper (15) all constitute sliding construction with bucket (7), and the front view upper end of stopper (15) is the inclined plane simultaneously.

6. A ground excavating robot for construction engineering as claimed in claim 1, wherein: fixed column (22), cutting blade (23) and drill bit (24) all constitute rotating-structure with digging piece (17), and cutting blade (23) from a left side to right side and dwindle the equidistant setting at the surface of fixed column (22).

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