Small scarifier for excavator

Abstract

The utility model relates to the technical field of scarifier structures, in particular to a small scarifier for an excavator, which is provided with a mounting mechanism capable of being overturned, adjusted and fixed, so that the small scarifier can be conveniently used in different directions in a constant mounting state, and the practicability is improved. Comprising an installation sleeve frame, a penetrating hole, an arc-shaped penetrating groove, a threaded sleeve, a jacking screw rod, a jacking screwing handle, an installation bolt, an installation nut, an anti-loose gasket, a scarifier body and rake teeth, the penetrating hole is transversely formed in the front portion of the installation sleeve frame, the arc-shaped penetrating groove is formed in the rear portion of the installation sleeve frame, and the middle of the rear side of the installation sleeve frame is connected with the outer side of the threaded sleeve; two sets of mounting bolts movably penetrate through the penetrating holes and the arc-shaped penetrating grooves respectively, the outer sides of the mounting bolts and the inner sides of the mounting nuts are detachably screwed, anti-loose gaskets are further arranged on the inner sides of the mounting bolts, and the longitudinal middle of the bottom end of the mounting sleeve frame is connected with the top end of the scarifier body. Rake teeth are arranged on the front side of the lower portion of the scarifier body.

Description

Technical Field

[0001] The utility model relates to the technical field of a soil scarifier structure, in particular to a small soil scarifier for an excavator. Background Art

[0002] Soil scarifiers are commonly used tools in agricultural production. With the development of this technology, agriculture can better loosen the soil, improve the soil's water storage capacity, improve soil nutritional conditions, increase soil effective fertility, eliminate weeds, etc., thereby increasing crop yields.

[0003] There is a small-sized tiller for an excavator with a Chinese patent announcement number of CN212992899U, in which a rake tooth sleeve is arranged on a tooth seat, a sleeve of the rake tooth is slightly larger than a mounting seat of the tooth seat and the rake tooth is mounted on the tooth seat by a transverse pin shaft. When the rake tooth is loosening the soil, the angle of the rake tooth is always tilted downward under the action of tension so that the tiller penetrates deeper into the soil. After the loosening is completed, when the tiller is retracted, the rake tooth can move upward to avoid the rake tooth suddenly contacting the hard ground and damaging the rake tooth; the tooth seat cooperates with the tiller body through grooves and protrusions and is mounted on the tiller body through a vertical pin shaft, the tooth seat can be fine-tuned left and right on the tiller body, and when encountering stones in the soil during loosening, the rake tooth can be fine-tuned left and right to avoid the stones in the soil without damaging the rake tooth.

[0004] However, the device can only realize the fixed installation of the tiller and the excavator installation part, and its application scope is relatively limited. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a small soil scarifier for an excavator, which is provided with a mounting mechanism that can be flipped, adjusted and fixed, so as to facilitate use in different orientations under a fixed mounting state and improve practicality.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small tiller for an excavator, comprising a mounting sleeve, a perforation, an arc-shaped groove, a threaded sleeve, a support screw, a support wrench, a mounting bolt, a mounting nut, an anti-loosening gasket, a tiller body and rake teeth, wherein the front portion of the mounting sleeve is laterally provided with a perforation, the rear portion of the mounting sleeve is provided with an arc-shaped groove, the middle portion of the rear side of the mounting sleeve is connected to the outer side of the threaded sleeve, the inner wall of the threaded sleeve is screwed to the outer wall of the support screw, the bottom end of the support screw is connected to the middle portion of the top end of the support wrench, two groups of mounting bolts are respectively movable through the perforation and the arc-shaped groove, and the outer side of the mounting bolt and the inner side of the mounting nut are detachably screwed, an anti-loosening gasket is also provided on the inner side of the mounting bolt, the longitudinal middle portion of the bottom end of the mounting sleeve is connected to the top end of the tiller body, and rake teeth are provided on the front side of the lower portion of the tiller body.

[0009] Preferably, a limiting plate is further included, and the top end of the supporting screw is connected to the middle part of the bottom end of the limiting plate.

[0010] Preferably, a contact pad is further included, and the top end of the limiting piece is connected to the bottom end of the contact pad.

[0011] Preferably, a reinforcement frame is further included, wherein the lateral middle side of the bottom end of the mounting sleeve is connected to the top end of the reinforcement frame, and the inner side of the reinforcement frame is respectively connected to the middle upper sides of the left and right ends of the tiller body.

[0012] Preferably, it further comprises a through groove, and a group of through grooves are respectively arranged on the inner sides of the left and right parts of the rake teeth.

[0013] Preferably, the mounting bracket, the tiller body and the rake teeth are all made of hard stainless steel alloy and are painted on the surface.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a small-sized soil scarifier for an excavator, which has the following beneficial effects:

[0016] Put the mounting sleeve on the mounting part of the excavator, and after the perforations and arc-shaped grooves are respectively corresponding to them, a set of mounting bolts can be passed through the perforations and the mounting holes, with anti-loosening washers set inside, and the mounting nuts are screwed on the outside of the mounting bolts without tightening, and another set of mounting bolts are passed through the arc-shaped grooves and the mounting holes, and the anti-loosening washers are also set inside, and the mounting nuts are screwed on the outside of the mounting bolts without tightening, and then the top support wrench is turned to rotate the top support screw rod, and the top support screw rod is screwed with the threaded sleeve to make the top support screw rod against the mounting. The bottom side of the part is supported by the top support, and then the mounting bolt in the through hole is used as the axis to make the arc-shaped through slot move on the outside of its mounting bolt, so that the main body of the tiller and the rake teeth are connected to the corresponding angle position through the mounting sleeve, and then the two sets of mounting nuts are screwed and tightened on the outside of the corresponding mounting bolts, and the anti-loosening gasket is used to support and prevent loosening inside, so that the main body of the tiller and the rake teeth are fixed at this angle position, thereby facilitating loosening. A mounting mechanism that can be flipped, adjusted and fixed is provided, which is convenient for use in different orientations under a constant installation state, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axial view of the schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 Right view of;

[0019] Figure 3 For this utility model Figure 1 Rear view of

[0020] Figure 4 For this utility model Figure 1 Bottom view of .

[0021] Markings in the attached drawings: 1. Mounting sleeve; 2. Perforation; 3. Arc-shaped through groove; 4. Threaded sleeve; 5. Top support screw; 6. Top support wrench; 7. Mounting bolt; 8. Mounting nut; 9. Anti-loosening gasket; 10. Soil loosening tool body; 11. Rake teeth; 12. Limiting plate; 13. Contact pad; 14. Reinforcement frame; 15. Through groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-Figure 4A small ripper for an excavator comprises a mounting frame 1, a perforation 2, an arc-shaped groove 3, a threaded sleeve 4, a top support screw 5, a top support wrench 6, a mounting bolt 7, a mounting nut 8, a locking washer 9, a ripper body 10 and a rake tooth 11. The front part of the mounting frame 1 is laterally provided with a perforation 2, the rear part of the mounting frame 1 is provided with an arc-shaped groove 3, the middle part of the rear side of the mounting frame 1 is connected to the outer side of the threaded sleeve 4, the inner wall of the threaded sleeve 4 is screwed to the outer wall of the top support screw 5, and the top support screw The bottom end of the rod 5 is connected to the middle of the top of the top support wrench 6, and two sets of mounting bolts 7 are respectively movable through the through hole 2 and the arc-shaped through groove 3, and the outer side of the mounting bolt 7 is detachably screwed with the inner side of the mounting nut 8, and the inner side of the mounting bolt 7 is also provided with a loosening washer 9, and the middle of the bottom end of the mounting sleeve 1 is connected to the top of the ripper body 10, and the lower front side of the ripper body 10 is provided with a rake tooth 11; the mounting sleeve 1 is put on the mounting part of the excavator, and the mounting sleeve 1 is respectively passed through the through hole 2 and the arc-shaped through groove 3. Correspondingly, a group of mounting bolts 7 can be passed through the through-hole 2 and the mounting hole of the mounting part, and the anti-loosening gasket 9 is arranged inside, and the mounting nut 8 is screwed on the outside of the mounting bolt 7 without tightening, and another group of mounting bolts 7 can be passed through the arc-shaped through-groove 3 and the mounting hole of the mounting part, and the anti-loosening gasket 9 is also arranged inside, and the mounting nut 8 is screwed on the outside of the mounting bolt 7 without tightening, and then the top support wrench 6 is turned to rotate the top support screw rod 5, and the top support screw rod 5 is screwed with the threaded sleeve 4 so that the top support screw rod 5 supports the bottom side of the mounting part, and then the mounting bolt 7 in the through-hole 2 is used as the axis to make the arc-shaped through-groove 3 move on the outside of its mounting bolt 7, so that the loosening device body 10 and the rake teeth 11 are connected to the corresponding angle position through the mounting sleeve 1, and then the two groups of mounting nuts 8 are screwed and tightened on the outside of the corresponding mounting bolts 7, and the anti-loosening gasket 9 is used to support and prevent loosening inside, so that the loosening device body 10 and the rake teeth 11 are fixed at this angle position, thereby facilitating loosening.

[0025] It also includes a limiting plate 12, and the top of the supporting screw 5 is connected to the middle of the bottom end of the limiting plate 12; the limiting plate 12 can limit the upper side of the supporting screw 5 to prevent the supporting screw 5 from being screwed out of the threaded sleeve 4, thereby improving reliability.

[0026] It also includes a contact pad 13, and the top of the limiting piece 12 is connected to the bottom of the contact pad 13; the bottom side of the installation part can be contacted through the contact pad 13 to avoid scratches and improve reliability.

[0027] It also includes a reinforcement frame 14, the lateral middle side of the bottom end of the mounting sleeve 1 is connected to the top of the reinforcement frame 14, and the inner side of the reinforcement frame 14 is respectively connected to the middle and upper sides of the left and right ends of the tiller body 10; the reinforcement frame 14 can act on the connection reinforcement between the tiller body 10 and the bottom of the mounting sleeve 1 to avoid movement and improve reliability.

[0028] The rake teeth 11 also include through grooves 15. A group of through grooves 15 are respectively arranged on the inner sides of the left and right parts of the rake teeth 11. The soil can pass through the through grooves 15 when the rake teeth 11 move, thereby reducing resistance and improving practicality.

[0029] The mounting frame 1, the ripper body 10 and the rake teeth 11 are all made of hard stainless steel alloy and painted on the surface; the mounting frame 1, the ripper body 10 and the rake teeth 11 are increased in body rigidity, more resistant to oxidation corrosion, extended in service life and improved in reliability.

[0030] In summary, when a small-sized soil ripper for an excavator is used, the mounting sleeve 1 is sleeved on the mounting part of the excavator, and after the through-hole 2 and the arc-shaped through-groove 3 correspond to them respectively, a group of mounting bolts 7 can be passed through the through-hole 2 and the mounting part hole, and the anti-loosening gasket 9 is arranged inside, and the mounting nut 8 is screwed on the outside of the mounting bolt 7 without being tightened, and another group of mounting bolts 7 is passed through the arc-shaped through-groove 3 and the mounting part hole, and the anti-loosening gasket 9 is also arranged inside, and the mounting nut 8 is screwed on the outside of the mounting bolt 7 without being tightened, and then the top support wrench 6 is twisted to rotate the top support screw 5, and the top support screw 5 is screwed with the threaded sleeve 4, so that the top support screw 5 contacts the bottom side top support of the mounting part through the contact pad 13, and then the mounting bolt 7 in the through-hole 2 is used as the axis to make the arc-shaped through-groove 3 move on the outside of its mounting bolt 7. The main body 10 and the rake teeth 11 of the soil loosening machine are connected through the mounting sleeve 1 and offset to the corresponding angle. Then, the two sets of mounting nuts 8 are screwed and tightened on the outside of the corresponding mounting bolts 7, and the anti-loosening washers 9 are used to support and prevent loosening inside, so that the main body 10 and the rake teeth 11 are fixed at this angle, thereby facilitating soil loosening. In this process, soil can pass through the grooves 15 when the rake teeth 11 move, reducing resistance. In addition, the upper side of the supporting screw 5 can be limited by the limiting plate 12 to prevent the supporting screw 5 from being screwed out of the threaded sleeve 4. The reinforcement frame 14 can act on the connection reinforcement between the main body 10 and the bottom of the mounting sleeve 1 to prevent movement. The material increases the rigidity of the mounting sleeve 1, the main body 10 and the rake teeth 11, and is more resistant to oxidation and corrosion, thereby extending the service life and improving reliability.

[0031] Although the 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small ripper for an excavator, characterized in that: The utility model comprises a mounting frame (1), a perforation (2), an arc-shaped groove (3), a threaded sleeve (4), a top support screw rod (5), a top support wrench (6), a mounting bolt (7), a mounting nut (8), an anti-loosening gasket (9), a tiller body (10) and a rake tooth (11), wherein the front part of the mounting frame (1) is transversely provided with a perforation (2), the rear part of the mounting frame (1) is provided with an arc-shaped groove (3), the middle part of the rear side of the mounting frame (1) is connected to the outer side of the threaded sleeve (4), and the inner wall of the threaded sleeve (4) is connected to the top support screw rod (5). The outer wall of the screw rod (5) is screwed and connected, the bottom end of the top support screw rod (5) is connected to the middle of the top end of the top support wrench (6), two groups of mounting bolts (7) are respectively movably passed through the through hole (2) and the arc-shaped through groove (3), and the outer side of the mounting bolt (7) and the inner side of the mounting nut (8) are detachably screwed, and an anti-loosening gasket (9) is also arranged on the inner side of the mounting bolt (7), and the longitudinal middle part of the bottom end of the mounting sleeve (1) is connected to the top of the tiller body (10), and the lower front side of the tiller body (10) is provided with rake teeth (11).

2. The small-sized soil ripper for an excavator according to claim 1, characterized in that: It also includes a limiting plate (12), and the top end of the supporting screw rod (5) is connected to the middle part of the bottom end of the limiting plate (12).

3. The small-sized ripper for excavators according to claim 2, characterized in that: It also includes a contact pad (13), and the top end of the limiting piece (12) is connected to the bottom end of the contact pad (13).

4. The small-sized soil ripper for an excavator according to claim 1, characterized in that: It also includes a reinforcement frame (14), wherein the lateral middle side of the bottom end of the mounting sleeve (1) is connected to the top end of the reinforcement frame (14), and the inner side of the reinforcement frame (14) is respectively connected to the middle and upper sides of the left and right ends of the tiller body (10).

5. The small-sized ripper for an excavator according to claim 1, characterized in that: It also includes a through groove (15), and a group of through grooves (15) are respectively arranged on the inner sides of the left and right parts of the rake teeth (11).

6. The small-sized soil ripper for an excavator according to claim 1, characterized in that: The mounting frame (1), the tiller body (10) and the rake teeth (11) are all made of hard stainless steel alloy and are painted on the surface.

Images