CN216713177U

CN216713177U - Scarifier and excavator

Info

Publication number: CN216713177U
Application number: CN202122348469.2U
Authority: CN
Inventors: 史光程; 崔相义; 周威; 李鑫鑫; 王庆; 杨真真; 李佳龙; 秦军荣; 刘志军
Original assignee: Xuzhou XCMG Excavator Machinery Co Ltd
Current assignee: Xuzhou XCMG Excavator Machinery Co Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-06-10
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a scarifier and an excavator, and belongs to the technical field of engineering machinery. The ripper comprises a power device, a roller and a main body frame; the both ends of main body frame have set firmly first flange and second flange respectively, power device links firmly with the second flange through the bolt, the one end and the power device of cylinder rotate to be connected, the other end is equipped with the flange axle, the epaxial cover of flange is equipped with the bearing, the flange that has set firmly between bearing and the first flange, the bearing is kept away from flange one side threaded connection and is had round nut, be equipped with lock washer between bearing and the round nut, the bearing is equipped with the seal cover by support flange one side cover, the one end of seal cover is equipped with the arch, set up the recess that corresponds the setting with the arch on the flange, protruding and recess clearance fit. The utility model provides a scarifier and an excavator, and solves the technical problems that in the prior art, the scarifier is uneven in soil turning, low in working efficiency and easy to cause grease overflow and foreign matter entering in the working process.

Description

Scarifier and excavator

Technical Field

The utility model relates to a scarifier and an excavator, and belongs to the technical field of engineering machinery.

Background

The digging machine is difficult to reach and cannot loosen the corner positions of construction or greening due to the fact that some positions are limited by landscape arrangement or the gradient is steep.

The scarifier is one of important equipment of the excavator, and the working range of the excavator is greatly expanded. The existing scarifier is generally single-tooth, has small scarification area, uneven scarification and lower working efficiency, is matched with a movable arm and a bucket rod in work engineering, has complex operation, and easily causes the overflow of butter and the entering of foreign matters such as soil.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides a scarifier and an excavator, and solves the technical problems that the scarifier is uneven in soil turning, low in working efficiency and easy to cause grease overflow and foreign matter entering in the working process in the prior art.

In order to achieve the above object, the present invention provides a ripper including a power device, a drum, and a main body frame; the two ends of the main body frame are respectively and fixedly provided with a first flange and a second flange, the power device is fixedly connected with the second flange through bolts, one end of the roller is rotatably connected with the power device, the other end of the roller is provided with a flange shaft, a bearing is sleeved on the flange shaft, a supporting flange is fixedly arranged between the bearing and the first flange, one side, far away from the supporting flange, of the bearing is in threaded connection with a round nut, a locking washer is arranged between the bearing and the round nut, a sealing sleeve is sleeved on one side, close to the supporting flange, of the bearing, a protrusion is arranged at one end of the sealing sleeve, a groove corresponding to the protrusion is formed in the supporting flange, the protrusion is in clearance fit with the groove, a plurality of hobbing teeth which are arranged at equal intervals are fixedly connected on the outer wall of the roller, and the hobbing teeth are arranged in a bending mode along the circumferential direction.

Further, the main body frame comprises a top plate, a reinforcing plate, side plates and a bottom plate; the reinforcing plates are fixedly arranged at two ends of the top plate, the side plates are fixedly connected with the reinforcing plates, the first flange is fixedly connected with the side plate far away from one side of the power device, the second flange is fixedly connected with the side plate close to one side of the power device, folding edges are arranged at two ends of the bottom plate, and the folding edges are fixedly connected with the reinforcing plates through bolts.

Further, the roller comprises a cylinder, a first mounting seat, a second mounting seat and a sealing plate; the inside of drum is equipped with first step groove and second step groove respectively, first mount pad links firmly with first step groove, the second mount pad links firmly with the second step groove, the flange axle links firmly with first mount pad through the bolt, the shrouding link firmly in through the bolt in the both ends of drum.

Further, the outside of shrouding is equipped with the semicircle backplate, the semicircle backplate links firmly with first flange and second flange respectively through the bolt.

Further, power device includes hydraulic motor, connects hub and protecting cover, it links firmly with the second mount pad to connect the hub through the bolt, the keyway has been seted up on the hub to connect, hydraulic motor's output shaft passes through flat key and keyway looks joint, the outside of hydraulic motor is located to the protecting cover and links firmly with the curb plate through the bolt.

Furthermore, the hydraulic motor protective cover further comprises a pipeline, wherein a slotted hole is formed in the protective cover, and the pipeline penetrates through the slotted hole to be fixedly connected with the hydraulic motor.

Furthermore, the slotted hole is provided with an adhesive tape for protecting the pipeline.

Furthermore, the outside of flange axle is equipped with the end cover, the end cover links firmly through bolt and support flange, install the grease nipple in the end cover, the outside of end cover set firmly with the protective sheath that the grease nipple corresponds the setting.

The embodiment of the utility model also provides an excavator, which comprises a connecting assembly and any scarifier, wherein the top plate is fixedly provided with a rib plate, the connecting assembly is fixedly arranged at the top of the rib plate, and the scarifier is fixedly connected with a bucket rod on the excavator through the connecting assembly.

Compared with the prior art, the utility model has the following beneficial effects:

the power device is rotationally connected with the roller, so that the roller can rotate under the driving of the power device, the rotation function of the scarifier is increased, the swing frequency of the movable arm and the bucket rod is reduced, and the overflow of butter is reduced; a bearing is sleeved on the flange shaft, a supporting flange is fixedly arranged between the bearing and the first flange and can limit the bearing in the radial direction, a round nut is connected to one side of the bearing, away from the supporting flange, through threads, a locking washer is arranged between the bearing and the round nut, and the bearing can be limited in the axial direction by screwing the round nut; a sealing sleeve is sleeved on one side, close to the supporting flange, of the bearing, a protrusion is arranged at one end of the sealing sleeve, a groove corresponding to the protrusion is formed in the supporting flange, the protrusion is in clearance fit with the groove, and a channel formed by the clearance fit of the protrusion and the groove can further prevent the overflow of butter, prolong the lubricating time of the butter and effectively prevent the entry of foreign matters such as soil; the outer wall of the roller is fixedly connected with a plurality of hobbing teeth which are arranged at equal intervals, the soil layer can be turned up evenly, the soil turning efficiency is effectively improved, the hobbing teeth are arranged along the circumferential direction in a bending mode, the soil layer can be broken easily through the hobbing teeth, and the working efficiency is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a ripper according to an embodiment of the present invention;

fig. 2 is an overall sectional view of a ripper according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of the main body frame of FIG. 1;

fig. 4 is a partial cross-sectional view of a ripper provided in accordance with an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of the projection and recess of FIG. 4;

FIG. 6 is another partial cross-sectional view of a ripper provided in accordance with an embodiment of the present disclosure;

FIG. 7 is a cross-sectional view of the drum of FIG. 1;

FIG. 8 is a schematic view of the structure of the semicircular guard plate in FIG. 1;

in the figure: 1. a connecting assembly; 2. a rib plate; 3. a main body frame; 4. a first flange; 5. an end cap; 6. hobbing; 7. a drum; 8. a power plant; 9. a top plate; 10. a side plate; 11. a reinforcing plate; 12. a base plate; 13. a second flange; 14. a cross beam; 15. a semicircular guard plate; 16. closing the plate; 17. a support flange; 18. a protective sleeve; 19. a grease nipple; 20. a lock washer; 21. a round nut; 22. a bearing; 23. sealing sleeves; 24. a flange shaft; 25. a protrusion; 26. a groove; 27. a connecting hub; 28. a hydraulic motor; 29. a protective cover; 30. an adhesive tape; 31. a pipeline; 32. a first step groove; 33. a first mounting seat; 34. a second mounting seat; 35. a second stepped groove; 36. recessing; 37. a cylinder.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1 to 8, a ripper according to an embodiment of the present invention includes a power unit 8, a roller 7, and a main frame 3;

the both ends of main body frame 3 have welded first flange 4 and second flange 13 respectively, correspond set up threaded hole on power device 8 and the second flange 13, the bolt passes the screw hole with power device 8 and second flange 13 fixed connection, the one end and the power device 8 of cylinder 7 rotate and are connected, can make cylinder 7 rotate under power device 8's drive, the rotation function of agitator has been increased, the swing frequency of swing arm and dipper, the while has still reduced the spilling over of butter. 8 one end fixedly connected with flange axle 24 of power device is kept away from to cylinder 7, the cover is equipped with bearing 22 on the flange axle 24, be equipped with support flange 17 between bearing 22 and the first flange 4, bolt and first flange 4 fixed connection are passed through to support flange 17's one end, the other end offsets with bearing 22, be convenient for carry out radial spacing to bearing 22, bearing 22 keeps away from support flange 17 one side and is equipped with round nut 21, round nut 21 and bearing 22 threaded connection, be equipped with locking washer 20 between bearing 22 and the round nut 21, locking washer 20 cover is located on flange axle 24, can realize spacing the axial to bearing 22 through screwing up round nut 21. Bearing 22 leans on support flange 17 one side cover to be equipped with seal cover 23, the one end of seal cover 23 is equipped with protruding 25, set up the recess 26 that corresponds the setting with protruding 25 on the support flange 17, it should be noted that, leave the clearance between protruding 25 and the recess 26, through protruding 25 and the continuous channel that recess 26 clearance fit formed, not only can further hinder overflowing of butter, it is long when increasing the lubrication of butter, and can effectually prevent the entering of foreign matters such as earth, improve the durability of device. The outer wall of the roller 7 is welded with a plurality of equally spaced hobbing teeth 6, so that the soil layer can be turned up evenly, the soil turning efficiency is effectively improved, the hobbing teeth 6 are arranged along the circumferential direction in a bending manner, the hobbing teeth 6 can easily break the soil layer, and the working efficiency of the scarifier is further improved.

The main body frame 3 comprises a top plate 9, a reinforcing plate 11, side plates 10 and a bottom plate 12; reinforcing plate 11 welds in the inner wall both ends of roof 9, reinforcing plate 11 staggers the setting with roof 9, the welding seam connection of being convenient for, curb plate 10 welds mutually with the outside of reinforcing plate 11, crossbeam 14 has still been welded to the both sides of roof 9, a mechanical strength for strengthening roof 9, first flange 4 welds with the curb plate 10 by power device 8 one side, second flange 13 welds with the curb plate 10 of keeping away from power device 8 one side, the both ends of bottom plate 12 are equipped with the hem respectively, the hem upwards buckles, the hem corresponds on with reinforcing plate 11 and has seted up the through-hole, the bolt passes through-hole cooperation nut with hem and 11 fixed connection of reinforcing plate.

The roller 7 comprises a cylinder 37, a first mounting seat 33, a second mounting seat 34 and a sealing plate 16; first step groove 32 and second step groove 35 have been seted up to drum 37's inside, first step groove 32 and second step groove 35 are located the inside both ends of drum 37 respectively, first mount pad 33 welds with first step groove 32 mutually, second mount pad 34 welds with second step groove 35 mutually, flange axle 24 passes through bolt and first mount pad 33 fixed connection, shrouding 16 corresponds set up screw hole on with drum 37 wall, the bolt passes the screw hole with shrouding 16 fixed connection in drum 37 both ends.

The utility model provides an embodiment, the outside parcel of shrouding 16 has semicircle backplate 15, and sunken 36 has been seted up to the inboard of semicircle backplate 15, and it needs to explain that 16 parcels of shrouding nevertheless do not contact with semicircle backplate 15 with the outside of semicircle backplate 15, can realize relative motion and can prevent the entering of foreign matter again with semicircle backplate 15, and semicircle backplate 15 corresponds the set up screw hole with first flange 4 and second flange 13, and the bolt passes screw hole with semicircle backplate 15 and first flange 4 and second flange 13 fixed connection.

The utility model provides an embodiment, power device 8 includes hydraulic motor 28, connects hub 27 and protecting cover 29, connects hub 27 and passes through bolt and 34 fixed connection of second mount pad, has seted up the keyway on connecting hub 27, is equipped with on hydraulic motor 28's the output shaft with keyway complex parallel key, parallel key and keyway looks joint, the outside of hydraulic motor 28 is located to protecting cover 29 for protect hydraulic motor 28, protecting cover 29 passes through bolt and left side curb plate 10 fixed connection. The slotted hole has been seted up on the protecting cover 29, and pipeline 31 passes the slotted hole and is connected with hydraulic motor 28 for to hydraulic motor 28 transportation fluid, thereby the during operation, thereby fluid carry to hydraulic motor 28 drive cylinder 7 and rotate, scribble adhesive tape 30 around the slotted hole, can effectively avoid the damage that the during operation pipeline 31 and protecting cover 29 collision caused.

The utility model provides an embodiment, the outside of flange axle 24 is equipped with end cover 5, and the both ends of end cover 5 pass through bolt and support flange 17 fixed connection, installs grease nipple 19 in the end cover 5 for flange axle 24 provides lubricating oil, reduces the loss because of the friction produces, and the outside welding of end cover 5 has the protective sheath 18 that corresponds the setting with grease nipple 19, is used for protecting grease nipple 19, avoids grease nipple 19 to damage.

The embodiment of the utility model also provides an excavator, which comprises a connecting assembly 1 and the scarifier, wherein the top plate 9 is welded with the rib plate 2, the mechanical strength of the rib plate 2 can be improved, the connecting assembly 1 is welded at the top of the rib plate 2, and the scarifier is fixedly connected with a bucket rod on the excavator through the connecting assembly 1.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The ripper is characterized by comprising a power device, a roller and a main body frame; a first flange and a second flange are respectively and fixedly arranged at the two ends of the main body frame, the power device is fixedly connected with the second flange through bolts, one end of the roller is rotationally connected with the power device, the other end of the roller is provided with a flange shaft, a bearing is sleeved on the flange shaft, a supporting flange is fixedly arranged between the bearing and the first flange, a round nut is connected with one side of the bearing far away from the supporting flange through threads, a locking washer is arranged between the bearing and the round nut, a sealing sleeve is sleeved on one side of the bearing close to the supporting flange, one end of the sealing sleeve is provided with a bulge, the supporting flange is provided with a groove which is arranged corresponding to the bulge, the bulges are in clearance fit with the grooves, the outer wall of the roller is fixedly connected with a plurality of hobbing teeth which are arranged at equal intervals, the hobbing is arranged in a bending way along the circumferential direction, and the main body frame comprises a top plate, a reinforcing plate, side plates and a bottom plate; the reinforcing plates are fixedly arranged at two ends of the top plate, the side plates are fixedly connected with the reinforcing plates, the first flange is fixedly connected with the side plate far away from one side of the power device, the second flange is fixedly connected with the side plate close to one side of the power device, folding edges are arranged at two ends of the bottom plate, and the folding edges are fixedly connected with the reinforcing plates through bolts.

2. The ripper of claim 1, wherein the drum includes a cylinder, a first mount, a second mount, and a closure plate; the inside of drum is equipped with first step groove and second step groove respectively, first mount pad links firmly with first step groove, the second mount pad links firmly with the second step groove, the flange axle links firmly with first mount pad through the bolt, the shrouding link firmly in through the bolt in the both ends of drum.

3. The ripper of claim 2, wherein a semicircular guard plate is provided at an outer side of the sealing plate, and the semicircular guard plate is fixedly connected with the first flange and the second flange through bolts respectively.

4. The ripper of claim 3, wherein the power device includes a hydraulic motor, a connection hub and a protecting cover, the connection hub is fixedly connected with the second mounting seat through a bolt, a key groove is formed in the connection hub, an output shaft of the hydraulic motor is clamped with the key groove through a flat key, and the protecting cover is arranged on the outer side of the hydraulic motor and fixedly connected with the side plate through a bolt.

5. The ripper of claim 4, further comprising a pipe, wherein the cover has a slot, and the pipe passes through the slot and is fixedly connected to the hydraulic motor.

6. The ripper of claim 5, wherein the slot is provided with a strip of glue for protecting the tube.

7. The ripper of claim 1, wherein an end cover is disposed on an outer side of the flange shaft, the end cover is fixedly connected with the support flange through a bolt, a grease nipple is installed in the end cover, and a protective sleeve corresponding to the grease nipple is fixedly disposed on an outer side of the end cover.

8. The excavator is characterized by comprising a connecting assembly and the scarifier according to any one of claims 1-7, wherein a rib plate is fixedly arranged on the top plate, the connecting assembly is fixedly arranged at the top of the rib plate, and the scarifier is fixedly connected with a bucket rod on the excavator through the connecting assembly.