CN213572100U

CN213572100U - Civil engineering foundation pit excavating device

Info

Publication number: CN213572100U
Application number: CN202021727081.2U
Authority: CN
Inventors: 丁永欢; 曹娇娇; 孙燕玲; 陈建建; 孙燕; 刘跃
Original assignee: Jiangsu Luban Construction Group Co ltd
Current assignee: Jiangsu Luban Construction Group Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-29
Anticipated expiration: 2030-08-18

Abstract

The utility model provides a civil engineering foundation pit excavating device, which comprises a bucket, wherein both sides of the top end of the bucket are fixedly connected with fixed blocks, a fixed rod is fixedly welded between the two fixed blocks, the inside of the fixed rod is connected with a plurality of movable blocks in an equidistance sliding manner, the middle parts of the movable blocks are fixedly sleeved with a push rod, both ends of the movable blocks are provided with grooves, both sides of the inside of the grooves are provided with pulley grooves, pulleys are arranged inside the pulley grooves, the outside of the fixed rod is sleeved with a fixed sleeve, the inside of the fixed sleeve is provided with a plurality of clamping grooves, clamping blocks are movably embedded inside the clamping grooves, one ends of the clamping blocks, which penetrate through the outer wall of the fixed rod, are fixedly connected with supporting plates, and one ends of the supporting plates are fixedly sleeved with connecting rods, the stability of the bucket during rotation is guaranteed.

Description

Civil engineering foundation pit excavating device

Technical Field

The utility model mainly relates to the technical field of engineering machine tool, concretely relates to civil engineering foundation ditch excavating gear.

Background

The excavating device is an earth moving machine which excavates materials higher or lower than a bearing surface by a bucket and is loaded into a transport vehicle or unloaded to a stockyard, the materials excavated by the excavating device mainly comprise soil, coal, silt and soil and rock subjected to pre-loosening, and the excavating device becomes an essential device in engineering operation along with the rapid development of mechanization technology.

The existing excavating device is easy to loosen at the joint of the bucket and the mechanical arm after long-time work, normal construction operation is influenced, the progress of slow construction is dragged, meanwhile, the loosened bucket can spill loaded soil during moving, the soil needs to be collected again, and even the phenomenon of injury to people can occur.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a civil engineering foundation ditch excavating gear for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a civil engineering foundation pit excavating device comprises an excavating bucket, wherein both sides of the top end of the excavating bucket are fixedly connected with fixed blocks, a fixed rod is fixedly welded between the two fixed blocks, a plurality of movable blocks are connected with the fixed rod in an equidistant and sliding manner, the middle parts of the movable blocks are fixedly sleeved with push rods, both ends of the movable blocks are provided with grooves, both sides of the inner parts of the grooves are provided with pulley grooves, pulleys are arranged inside the pulley grooves, a fixed sleeve is sleeved outside the fixed rod, a mechanical swing arm is fixedly sleeved outside the fixed sleeve, a plurality of clamping grooves are arranged inside the fixed sleeve, clamping blocks are movably embedded inside the clamping grooves, one ends of the clamping blocks are alternately connected with the outer wall of the fixed rod, and one ends of the clamping blocks penetrating through the outer wall of the fixed rod are fixedly connected with a supporting plate, and one end of each support plate is fixedly sleeved with a connecting rod, and the two ends of each connecting rod are fixedly connected with the pulleys respectively.

One end of the push rod is connected with one side of one of the fixed blocks in an inserting mode, and the other end of the push rod is fixedly connected with one side of one of the movable blocks.

The push rod runs through the one end of one of them fixed block one side and has seted up the screens groove, the inside in screens groove is inlayed and is equipped with the screens piece, one side fixedly connected with positioning screw of screens piece, positioning screw's one end fixed mounting has the carousel.

The grooves and the pulley grooves are inclined, and the heights of the grooves and the pulley grooves are larger than those of the clamping grooves.

And a threaded hole is formed in the other side of the fixed block and is in threaded connection with the positioning screw rod.

The height of joint piece is greater than the height in joint groove, the outer wall radian of joint piece is unanimous with the inside radian in joint groove.

Compared with the prior art, the beneficial effects of the utility model are that: one of which, the utility model discloses utilize the design of joint piece, when not hard up appears between bucket and mechanical swing arm, the joint piece can run through the fixed rod joint to the inside joint inslot of fixed sleeve, and the surface radian of joint piece is unanimous with the inside radian of fixed sleeve, can replace dead lever and fixed sleeve to laminate each other, and then can not appear rocking when guaranteeing that mechanical swing arm drives the bucket rotation, the removal process that makes the bucket is steady relatively, can shift the soil of the inside loading of bucket effectively, reduce the unrestrained of bucket removal in-process soil, make the excavation operation can accomplish more efficiently.

Two, the utility model discloses utilize the design of the pulley groove of slope, the pulley can drive backup pad vertically rebound along the pulley groove when removing, the backup pad drives the joint piece again and shifts up perpendicularly, and then the position of can real-time regulation joint piece, it can not become flexible with driving bucket pivoted to make mechanical swing arm, the effectual area of contact that has increased joint piece and fixed sleeve inside of design of a plurality of joint pieces simultaneously, make the bucket can not appear blocking when the pivoted or area of contact not enough lead to the phenomenon of bucket slope to take place, not only can deal with the unexpected not hard up phenomenon of bucket, can also make the bucket continue normal work a period after becoming flexible, the normal clear of engineering operation has been guaranteed.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic view of the internal explosion structure of the fixing sleeve of the present invention;

FIG. 3 is a schematic view of the internal structure of the fixing rod of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of the internal cross-sectional structure of the push rod of the present invention.

In the figure: 1. excavating a bucket; 2. a fixed block; 3. fixing the rod; 4. a mechanical swing arm; 5. fixing the sleeve; 6. a clamping groove; 7. a clamping block; 8. a push rod; 9. a movable block; 10. a groove; 11. a connecting rod; 12. a pulley groove; 13. a pulley; 14. a support plate; 15. a turntable; 16. positioning a screw rod; 17. a bit block; 18. screens groove.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-5 heavily, a civil foundation pit excavating device comprises an excavating bucket 1, wherein both sides of the top end of the excavating bucket 1 are fixedly connected with fixed blocks 2, a fixed rod 3 is fixedly welded between the two fixed blocks 2, a plurality of movable blocks 9 are connected in the fixed rod 3 in an equidistant sliding manner, a push rod 8 is fixedly sleeved in the middle of the plurality of movable blocks 9, one end of the push rod 8 is connected with one side of one of the fixed blocks 2 in an inserting manner, the other end of the push rod 8 is fixedly connected with one side of one of the movable blocks 9, the push rod 8 can simultaneously drive the plurality of movable blocks 9 to move synchronously, one end of the push rod 8 penetrating one side of one of the fixed blocks 2 is provided with a clamping groove 18, the clamping groove 18 is in a circular ring shape, a clamping block 17 is embedded in the clamping groove 18, the outer surface of the clamping block 17 is mutually attached to the, one end of the positioning screw rod 16 is fixedly provided with a rotary table 15, the other side of the fixed block 2 is provided with a threaded hole, the threaded hole is in threaded connection with the positioning screw rod 16, the width of the rotary table 15 is larger than that of the threaded hole, and the positioning screw rod 16 is prevented from being completely immersed into the fixed block 2.

Recess 10 has all been seted up at the both ends of a plurality of movable blocks 9, pulley groove 12 has all been seted up to the inside both sides of a plurality of recesses 10, pulley 13 is all installed to the inside of a plurality of pulley grooves 12, fixed sleeve 5 has been cup jointed to the outside of dead lever 3, mechanical swing arm 4 has been cup jointed to the external fixation of fixed sleeve 5, a plurality of joint grooves 6 have been seted up to the inside of fixed sleeve 5, a plurality of recesses 10 all are the slope form with a plurality of pulley groove 12, and the height of a plurality of recesses 10 and a plurality of pulley groove 12 all is greater than the height in joint groove 6.

The inside equal activity of a plurality of joint grooves 6 is inlayed and is equipped with joint piece 7, the height that highly is greater than joint groove 6 of joint piece 7, the outer wall radian of joint piece 7 is unanimous with the inside radian of joint groove 6, when producing wearing and tearing between joint piece 7 and the joint groove 6, can continue to adjust the position of joint piece 7, make joint piece 7 closely laminate with the inside in joint groove 6 all the time, the one end of a plurality of joint pieces 7 all alternates with the outer wall of dead lever 3 and is connected, the equal fixedly connected with backup pad 14 of one end that a plurality of joint pieces 7 run through the outer wall of dead lever 3, the one end of a plurality of backup pads 14 is all fixed has cup jointed connecting rod 11, the both ends of a plurality of connecting rod 11.

The utility model discloses a concrete operation as follows: when becoming flexible between dead lever 3 and the fixed sleeve 5 appears, at first rotatory carousel 15, carousel 15 drives positioning screw 16 and rotates and extrudees push rod 8, push rod 8 drives a plurality of movable blocks 9 at the inside synchronous motion of dead lever 3, drive pulley groove 12 removal when movable block 9 removes, pulley 13 inside pulley groove 12 drives connecting rod 11 and upwards removes, connecting rod 11 drives backup pad 14 rebound, backup pad 14 drives joint piece 7 and submerges the inside of joint groove 6 and closely laminates with the inner wall in joint groove 6, it is relatively stable when the inside of fixed sleeve 5 rotates to bucket 1 drive dead lever 3, avoid appearing the phenomenon that bucket 1 rocked.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The civil foundation pit excavating device comprises an excavating bucket (1) and is characterized in that fixed blocks (2) are fixedly connected to two sides of the top end of the excavating bucket (1), a fixed rod (3) is fixedly welded between the two fixed blocks (2), a plurality of movable blocks (9) are slidably connected to the fixed rod (3) at equal intervals, a push rod (8) is fixedly sleeved in the middle of each movable block (9), grooves (10) are formed in two ends of each movable block (9), pulley grooves (12) are formed in two sides of each groove (10), pulleys (13) are mounted in each pulley groove (12), a fixed sleeve (5) is sleeved outside the fixed rod (3), a mechanical swing arm (4) is fixedly sleeved outside the fixed sleeve (5), a plurality of clamping grooves (6) are formed in the fixed sleeve (5), a plurality of joint piece (7) are all movably inlayed in the inside of joint groove (6), and are a plurality of the one end of joint piece (7) all alternates with the outer wall of dead lever (3) and is connected, a plurality of the equal fixedly connected with backup pad (14) of one end that dead lever (3) outer wall was run through in joint piece (7), and is a plurality of connecting rod (11), a plurality of are all fixed to have cup jointed to the one end of backup pad (14) connecting rod (11) at the both ends of connecting rod (11) respectively with a plurality of pulley (13) fixed connection.

2. The excavation device for the civil foundation pit as claimed in claim 1, wherein one end of the push rod (8) is connected with one side of one of the fixed blocks (2) in a penetrating manner, and the other end of the push rod (8) is fixedly connected with one side of one of the movable blocks (9).

3. The civil foundation pit excavating device according to claim 1, wherein one end of the push rod (8) penetrating one side of one of the fixed blocks (2) is provided with a clamping groove (18), a clamping block (17) is embedded in the clamping groove (18), one side of the clamping block (17) is fixedly connected with a positioning screw rod (16), and one end of the positioning screw rod (16) is fixedly provided with a turntable (15).

4. The civil foundation pit excavation device according to claim 1, wherein the plurality of grooves (10) and the plurality of pulley grooves (12) are inclined, and the heights of the plurality of grooves (10) and the plurality of pulley grooves (12) are greater than the height of the clamping groove (6).

5. The civil foundation pit excavation device according to claim 1, wherein a threaded hole is formed in the other side of the fixing block (2), and the threaded hole is in threaded connection with the positioning screw rod (16).

6. The civil foundation pit excavation device according to claim 1, wherein the height of the clamping block (7) is greater than that of the clamping groove (6), and the radian of the outer wall of the clamping block (7) is consistent with the radian of the inner part of the clamping groove (6).