CN210507595U - Soil loosening rake - Google Patents

Abstract

The utility model belongs to the technical field of the scarifier of digging machine, concretely relates to harrow loosens soil, including skeleton, a pair of lug, a plurality of rake teeth, lug and rake teeth are fixed respectively at the skeleton front and back end, the utility model discloses split into prong portion and root of tooth two parts with every rake teeth, the fixed column can provide fixedly for prong portion simultaneously, makes the better conduction of root of tooth's effort give prong portion, and it is fixed to provide the auxiliary stay after the bracing piece inserts the slot, has improved the atress intensity. The utility model discloses when the prong portion wearing and tearing, can carry out convenient change, improved the operating efficiency of digging the machine.

Description

Soil loosening rake

Technical Field

The utility model belongs to the technical field of dig quick-witted agitator, concretely relates to harrow loosens soil.

Background

The harrow that loosens the soil can be used to the loose operation of ploughing of loose hard soil, frozen soil layer, soft stone etc. and can also pull out the root of a tree, for construction operation clearance barrier, the harrow that loosens the soil generally includes a pair of lug, skeleton rake body and many rake teeth, installs and carries out the operation at the end of digging machine cantilever, current harrow that loosens the soil when the operation, the most advanced easy wearing and tearing of rake tooth, fracture need weld the rake tooth again when certain rake tooth damages or fracture, and is very troublesome.

SUMMERY OF THE UTILITY MODEL

To solve the technical problem, the utility model aims to provide a harrow for loosening soil.

The utility model discloses a harrow for loosening soil, including skeleton, a pair of lug, a plurality of rake teeth, lug and rake teeth are fixed respectively at the skeleton front and back end, every rake tooth is cut apart into prong portion and root of tooth, the root of tooth is fixed on the skeleton, prong portion section is equipped with recessed recess, root of tooth section welding has the fixed column, fixed column size and recess size cooperation, the fixed column surface is equipped with at least one screw thread blind hole, the welding has two bracing pieces respectively on the prong portion section of recess top and below, be equipped with the slot that is used for inserting the bracing piece respectively on the root of tooth section of fixed column top and below, slot size and bracing piece size cooperation, the prong portion that the bracing piece inserts slot, the fixed column inserts the department directly over every screw thread blind hole behind the recess is equipped with the screw; the fixing device further comprises a fixing screw, and the fixing screw is screwed into the threaded through hole and the threaded blind hole to fix the tooth tip part and the tooth root part.

A triangular reinforcing plate is arranged between the lifting lug and the framework.

And a reinforcing rod is arranged between the adjacent rake teeth.

The section of the fixed column is rectangular.

Compared with the prior art, the utility model, following beneficial effect has.

The utility model discloses split into prong portion and root of tooth two parts with every rake tooth, the fixed column can provide fixedly for the prong portion simultaneously, makes the better conduction of the effort of root of tooth give the prong portion, and it is fixed to provide supplementary support after the bracing piece inserts the slot, has improved the atress intensity. The utility model discloses when the prong portion wearing and tearing, can carry out convenient change, improved the operating efficiency of digging the machine.

Drawings

Fig. 1 is a perspective structural view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a left side view of the root portion of the tooth of fig. 1.

In the figure: 1. skeleton 2, reinforcing plate 3, lug 4, stiffener 5, tooth root 6, clamping screw 7, tooth point 8, fixed column 9, screw thread through-hole 10, bracing piece 11, recess 12, screw thread blind hole 13, slot.

Detailed Description

The invention will be further described with reference to the following examples and drawings.

As shown in fig. 1-3, the soil loosening rake of the utility model comprises a framework 1 and a pair of lifting lugs 3, the rake teeth are respectively fixed at the front end and the rear end of the framework 1, each rake tooth is divided into a tooth tip part 7 and a tooth root part 5, the tooth root part 5 is fixed on the framework 1, a concave groove 11 is formed in the section of the tooth tip part 7, a fixing column 8 is welded on the section of the tooth root part 5, the size of the fixing column 8 is matched with that of the groove 11, at least one threaded blind hole 12 is formed in the surface of the fixing column 8, two support rods 10 are respectively welded on the sections of the tooth tip parts 7 above and below the groove 11, slots 13 for inserting the support rods 10 are respectively formed in the sections of the tooth root parts 5 above and below the fixing column 8, the size of the slots 13 is matched with that of the support rods 10, threaded through holes 9 are formed in the tooth tip part 7, right above each threaded blind hole 12, after; the fixing device further comprises a fixing screw 6, and the fixing screw 6 is screwed into the thread through hole 9 and the thread blind hole 12 to fix the tooth tip part 7 and the tooth root part 5.

A triangular reinforcing plate 2 is arranged between the lifting lug 3 and the framework 1.

And a reinforcing rod 4 is arranged between the adjacent rake teeth.

The section of the fixed column 8 is rectangular.

Claims (4)

1. The utility model provides a harrow loosens soil, includes skeleton (1), a pair of lug (3), a plurality of rake teeth, lug (3) and rake teeth are fixed respectively at skeleton (1) front and back end, its characterized in that: each rake tooth is divided into a tooth tip part (7) and a tooth root part (5), the tooth root part (5) is fixed on the framework (1), a concave groove (11) is arranged on the section of the tooth tip part (7), a fixed column (8) is welded on the section of the tooth root part (5), the size of the fixed column (8) is matched with that of the groove (11), at least one threaded blind hole (12) is arranged on the surface of the fixed column (8), two support rods (10) are respectively welded on the sections of the tooth tip parts (7) above and below the groove (11), slots (13) for inserting the support rods (10) are respectively arranged on the sections of the tooth root parts (5) above and below the fixed column (8), and the size of the slots (13) is matched with that of the, after the supporting rod (10) is inserted into the slot (13) and the fixing column (8) is inserted into the groove (11), the tooth tip part (7) right above each threaded blind hole (12) is provided with a threaded through hole (9); the fixing device is characterized by further comprising a fixing screw rod (6), wherein the fixing screw rod (6) is screwed into the threaded through hole (9) and the threaded blind hole (12) to fix the tooth tip part (7) and the tooth root part (5).

2. A rake as claimed in claim 1, wherein: a triangular reinforcing plate (2) is arranged between the lifting lug (3) and the framework (1).

3. A rake as claimed in claim 1, wherein: a reinforcing rod (4) is arranged between the adjacent harrow teeth.

4. A rake as claimed in claim 1, wherein: the section of the fixing column (8) is rectangular.

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