CN215121790U

CN215121790U - Deep loosening tooth assembly

Info

Publication number: CN215121790U
Application number: CN202121586583.2U
Authority: CN
Inventors: 向洪鑫; 朱海涛; 王林峰; 陈广; 陈少良
Original assignee: Yixing Bodeng Taike Industrial Equipment Co ltd
Current assignee: Yixing Bodeng Taike Industrial Equipment Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-14
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a deep loosening tooth component, which comprises a deep loosening arm, an overload protection arm, a fixed seat joint plate symmetrically arranged on the fixed seat, and a turnover seat rotatably connected with the upper end of the fixed seat joint plate; the lower end of the deep loosening arm is connected with deep loosening teeth, the upper end of the deep loosening arm is connected with the overload protection arm, one end of the overload protection arm is rotatably connected with the lower end of the fixed seat joint plate, the other end of the overload protection arm is connected with the overturning seat through a first overload protection device, and the fixed seat is used for connecting the deep loosening tooth assembly with the outside; the deep scarification arm is connected with the overload protection arm through a second overload protection device. When meeting obstacles such as stones, the double-protection structure has double protection and prolongs the service life of the whole structure.

Description

Deep loosening tooth assembly

Technical Field

The utility model relates to an agricultural implement part for loosening the soil especially relates to a tooth subassembly loosens deeply.

Background

Application number is CN2015100969113 discloses an elasticity drag reduction tooth that loosens deeply, including U type bolt, connecting plate, support arm, tooth handle, the tooth that loosens deeply sets up the lower extreme of tooth handle that loosens deeply, the front end of support arm with connecting plate fixed connection, the middle part of tooth handle that loosens deeply articulates the rear end of support arm, its characterized in that: a seat plate is arranged on the connecting plate, and a safety protection device is arranged between the seat plate and the upper end of the deep loosening tooth handle; the safety protection device comprises a front baffle, a rear baffle, an adjusting rod, an inner spring and an outer spring, wherein the front baffle is hinged with the seat plate, one end of the adjusting rod is fixed on the inner side of the front baffle, the upper end of the deep loosening tooth handle is hinged with a supporting sleeve, the other end of the adjusting rod is arranged in the supporting sleeve in a penetrating mode, the inner spring and the outer spring are sleeved on the adjusting rod, and the rear baffle is tightly pressed on the supporting sleeve through the inner spring and the outer spring; two long waist holes are arranged in parallel at the rear part of the support arm, and an upper limiting block and a lower limiting block are respectively arranged in the two long waist holes. The deep loosening teeth with overload protection in the prior art are usually only single in protection, and when the obstruction is too large, the purpose of overload protection cannot be met through elastic drag reduction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a deep scarification tooth component which has double overload protection function and can effectively prolong the service life of the whole body; the technical scheme is as follows:

a deep loosening tooth assembly comprises a deep loosening arm, an overload protection arm, a fixed seat, fixed seat joint plates symmetrically arranged on the fixed seat, and a turnover seat rotatably connected with the upper end of each fixed seat joint plate; the lower end of the deep loosening arm is connected with deep loosening teeth, the upper end of the deep loosening arm is connected with the overload protection arm, one end of the overload protection arm is rotatably connected with the lower end of the fixed seat joint plate, the other end of the overload protection arm is connected with the overturning seat through a first overload protection device, and the fixed seat is used for connecting the deep loosening tooth assembly with the outside; the deep scarification arm is connected with the overload protection arm through a second overload protection device.

Preferably, the first overload protection device comprises a connecting piece, the connecting piece is used for connecting the overload protection arm and the turnover seat, the connecting piece is sleeved with a spring for overload protection, and the overload protection arm can slide along the connecting piece.

Further preferably, the connecting piece is sleeved with a spring limiting column, so that the spring is prevented from being compressed to the limit.

Still more preferably, the connecting member is a hexagon head bolt.

Still further preferred, the overload protection spring is double spring, double spring includes outer spring and inner spring, is located the overload protection arm with connecting piece between the upset seat is close to overload protection arm one end is equipped with the spring backstop seat of notch cuttype, the upset seat is equipped with the ladder terminal surface of the backstop spring of being convenient for.

Preferably, the sub-soiling arm is connected to the overload protection arm by at least one shear bolt.

Preferably, the overload protection arm is arc-shaped or L-shaped.

The utility model has the advantages that: when meeting obstacles such as stones and the like, the overload protection spring provides a lifting distance with the height of 350mm at most; the return spring can enable the deep loosening teeth to quickly return after being lifted to avoid the obstacle, so that the operation depth is ensured to be stable; when the size of the obstacle exceeds 350mm and the load is overlarge, the shear bolts in the arms are loosened deeply, so that double protection is achieved, and the service life of the whole structure is prolonged.

Drawings

Fig. 1 is a schematic structural view of a front view of a subsoiler assembly according to the present invention;

FIG. 2 is a schematic structural view taken along the line A-A in FIG. 1;

fig. 3 is a schematic structural view of a perspective view of the subsoiler assembly of the present invention;

fig. 4 is a dynamic schematic diagram of the deep scarification tooth assembly according to the present invention when the protection function is realized.

In the figure: 1. the deep loosening arm, 2, the deep loosening tooth, 3, the overload protection arm, 4, the fixing base, 5, the fixing base joint plate, 6, the upset seat, 7, the protection spring, 8, the shearing bolt, 9, the spacing post of spring, 10, the hexagon head bolt, 11, spring backstop seat, 12, the ladder terminal surface of upset seat.

Detailed Description

The deep loosening tooth assembly of the present invention is further described with reference to fig. 1 to 4, and the deep loosening tooth assembly comprises a deep loosening arm 1, an overload protection arm 3, a fixed seat 4, a fixed seat joint plate 5 symmetrically arranged on the fixed seat 4, and a turning seat 6 rotatably connected with the upper end of the fixed seat joint plate 5; the lower end of the deep scarification arm 1 is connected with deep scarification teeth 2, the upper end of the deep scarification arm 1 is connected with the overload protection arm 3, one end of the overload protection arm 3 is rotatably connected with the lower end of the fixed seat joint plate 5, the other end of the overload protection arm 3 is connected with the overturning seat 6 through a first overload protection device, and the fixed seat 4 is used for connecting the deep scarification tooth assembly with the outside; the deep scarification arm 1 is connected with the overload protection arm 3 through a second overload protection device.

The first overload protection device comprises a connecting piece, wherein the connecting piece can select a hexagon head bolt 10 and can also select other connecting pieces, the connecting piece is used for connecting the overload protection arm 3 and the overturning seat 6, and the overload protection arm 3 can slide along the connecting piece.

In this embodiment, the connecting piece is a hexagon head bolt 10, the hexagon head bolt 10 is used for connecting the overload protection arm 3 with the overturning seat 6, a spring limiting column 9 and a protection spring 7 are sleeved on the hexagon head bolt 10, the spring limiting column 9 is used for avoiding the spring from being compressed to the limit, and the overload protection arm 3 can slide along the hexagon head bolt 10 (as shown in fig. 4).

Referring to fig. 2, protection spring 7 is double spring, double spring includes outer spring and inner spring, is located overload protection arm 3 with hexagonal head bolt 10 between upset seat 6 is close to overload protection arm one end is equipped with notch cuttype spring backstop seat 11, upset seat 6 is equipped with the ladder terminal surface 12 of the backstop spring of being convenient for.

The main body part of the overload protection arm 3 needs to be connected with a deep scarification arm, two ends of the overload protection arm 3 need to be connected with a fixed seat joint plate and a first overload protection device, and the shape of the overload protection arm 3 can be selected from an arc shape or an L shape.

Referring to fig. 4, when encountering an obstacle such as a stone, the protection spring provides a lifting distance with a maximum height H of 350 mm; when the obstacle is avoided, the protection spring enables the deep loosening teeth 2 to reset rapidly, and the stability of the operation depth is ensured. When the size and the load of the obstacle are overlarge, the deep loosening teeth are lifted to the maximum height and can not avoid the obstacle, the shearing bolt 8 in the deep loosening arm 1 is broken, the double protection effect is achieved, and the service life of the whole structure is prolonged.

Claims

1. A subsoiler tooth assembly, comprising: the device comprises a deep loosening arm, an overload protection arm, a fixed seat, fixed seat joint plates symmetrically arranged on the fixed seat, and a turnover seat rotatably connected with the upper end of the fixed seat joint plate; the lower end of the deep loosening arm is connected with deep loosening teeth, the upper end of the deep loosening arm is connected with the overload protection arm, one end of the overload protection arm is rotatably connected with the lower end of the fixed seat joint plate, the other end of the overload protection arm is connected with the overturning seat through a first overload protection device, and the fixed seat is used for connecting the deep loosening tooth assembly with the outside; the deep scarification arm is connected with the overload protection arm through a second overload protection device.

2. The subsoiler tooth assembly of claim 1, wherein: the first overload protection device comprises a connecting piece, the connecting piece is used for connecting the overload protection arm and the turnover seat, a spring for overload protection is sleeved on the connecting piece, and the overload protection arm can slide along the connecting piece.

3. The subsoiler tooth assembly of claim 2, wherein: and the connecting piece is sleeved with a spring limiting column.

4. The subsoiler tooth assembly of claim 3, wherein: the connecting piece is a hexagon head bolt.

5. The subsoiler tooth assembly of claim 4, wherein: the overload protection spring is a double spring, and the double spring comprises an inner spring and an outer spring.

6. The subsoiler tooth assembly of claim 1, wherein: the second overload protection device comprises at least one shear bolt.

7. The subsoiler tooth assembly of claim 1, wherein: the overload protection arm is arc-shaped or L-shaped.