CN204225182U - A kind of engineering machinery anti-sticking breaks multiple tooth ridge buster - Google Patents

Abstract

The utility model discloses an anti-jamming multi-tooth ripper for construction machinery, which comprises a cross bar and a ripper gear. The loosening tooth that is installed on the rim of the loosening gear body has a loosening tooth cover on the head of the loosening tooth, the inner ring of the loosening gear has a first groove, and a second groove is arranged on the cross bar. The groove cooperates with one of the first grooves to form a scarifier tooth overload protection cavity, and a scarifier tooth overload protection mechanism is arranged in the scarifier tooth overload protection cavity. The scarifier tooth overload protection mechanism includes a top block and a return spring, and the top block is arranged on In the first groove, a spring fixing protrusion is arranged at the bottom of the top block, and the return spring is sleeved on the spring fixing protrusion. When the utility model is used for stripping and loosening operations on hard working surfaces such as large rocks and salt mines, the utility model has the function of preventing the loosening teeth from being stuck and broken, thereby protecting the loosening gears and prolonging the service life of the ripper.

Description

Anti-jamming multi-tooth ripper for engineering machinery

technical field

The utility model relates to a ripper for engineering machinery, in particular to an anti-jamming multi-tooth ripper for engineering machinery.

Background technique

The ripper is a working device suspended at the tail of the construction machinery, and is mainly used for loosening hard soil and weathered stones. As one of the important working devices of construction machinery, ripper is widely used, which greatly expands the working range of a single construction machinery and improves the working efficiency, so it has been paid more and more attention by people.

However, when the ripper is used for stripping and loosening operations on hard working surfaces such as large rocks and salt mines, it is easy to break the ripper teeth due to excessive resistance, and sometimes even cause the pulling engineering machinery to stall, thereby reducing The work efficiency is affected, and the work process is affected. In addition, the current rippers are mostly single-tooth rippers, so the ripper width is small and the work efficiency is low.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the above-mentioned prior art, and provide an anti-jamming multi-tooth ripper for construction machinery, which has a simple structure and reasonable design, is suitable for installation at the tail of construction machinery, and is easy to install and disassemble; When the earthen tool is used for stripping and loosening operations on hard working surfaces such as large rocks and salt mines, it has the function of preventing the loosening teeth from being stuck and broken, thereby protecting the loosening gear and prolonging the service life of the scarifier; it has a multi-tooth structure, It can increase the width of the soil loosening operation surface, thereby improving the soil loosening efficiency.

In order to achieve the above purpose, the technical solution adopted by the utility model is: an anti-jamming multi-tooth ripper for construction machinery, which is characterized in that it includes a cross bar and a soil scarification gear, and the cross bar passes through the soil scarification gear along the axis The center of the soil loosening gear is transitionally matched with the soil loosening gear. The soil loosening gear includes a soil loosening gear body and a soil loosening tooth installed on the rim of the soil loosening gear body. The number of the soil loosening teeth is multiple, and a plurality of soil loosening teeth The teeth are evenly arranged, and the installation direction of a plurality of loosening teeth is the same. The head of the loosening gear is covered with a loosening gear sleeve, and the inner ring of the loosening gear body is provided with a first concave hole at the position corresponding to the loosening gear. There is a second groove on the cross bar, and the second groove cooperates with one of the first grooves to form a scarifying tooth overload protection cavity, and a scarifying tooth overload protection cavity is provided with a scarifying tooth Overload protection mechanism, the loose soil tooth overload protection mechanism includes a top block and a return spring, the top block is arranged in the first groove, the bottom of the top block is provided with a spring fixing protrusion, and the return spring is sleeved on the On the spring fixing protrusion, one end of the return spring is fixed to the lower end surface of the top block, and the other end of the return spring is fixed to the bottom surface of the second groove.

The above anti-jamming multi-tooth ripper for construction machinery is characterized in that: the loosening teeth are composed of a loosening tooth rod and a loosening tooth tip, and one end of the loosening tooth rod is fixed on the loosening gear body On the wheel rim, the loosening tooth tip is fixed on the other end of the loosening tooth bar, and the loosening tooth sleeve is sleeved on the loosening tooth tip.

The above anti-jamming multi-tooth ripper for construction machinery is characterized in that: the cross-sectional shape of the top block is a right-angled trapezoid, the spring fixing protrusion is arranged at the straight waist of the top block, and the top block The oblique waist of the ripper is opposite to the top surface of the first groove that constitutes the overload protection cavity of the scarifier teeth.

The above anti-jamming multi-tooth ripper for construction machinery is characterized in that: the number of the spring fixing protrusions and the return spring are two, the two spring fixing protrusions are arranged symmetrically, and each spring fixing protrusion There is a return spring on the cover.

The above anti-jamming multi-tooth ripper for construction machinery is characterized in that: the length of the cross bar is greater than the thickness of the loosening gear body, and both ends of the cross bar protrude from the two end faces of the loosening gear body .

The above anti-jamming multi-tooth ripper for engineering machinery is characterized in that the number of the ripper teeth is six.

The above anti-jamming multi-tooth ripper for construction machinery is characterized in that: the soil ripper gear body is a steel ripper gear body, the ripper teeth are steel ripper teeth, and the ripper gear sleeve is Steel pine bushings.

Compared with the prior art, the utility model has the following advantages:

1. The utility model has simple structure and reasonable design, is suitable for installation at the tail of construction machinery, and is convenient for installation and disassembly.

2. When the ripper of this utility model is used for stripping and loosening operations on hard working surfaces such as large rocks and salt mines, the top block will compress the return spring under the action of excessive resistance transmitted by the ripper gear body to realize switching loosening. The function of soil teeth, thereby avoiding the breakage of loose soil teeth due to excessive resistance.

3. The utility model has the function of preventing the ripper teeth from being stuck and broken, thereby protecting the ripper gear and prolonging the service life of the ripper.

4. The utility model has a multi-tooth structure, which can ensure that a plurality of loosening teeth can perform loosening operations at the same time, which increases the width of the loosening operation surface, thereby improving the loosening efficiency.

5. The utility model has high applicability, self-protection function and convenient maintenance.

Below by accompanying drawing and embodiment, the utility model is described in further detail.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a perspective view of the utility model.

Fig. 3 is the explosion diagram of the utility model.

Explanation of reference signs:

1—spring fixing protrusion; 2-1—soil loosening tooth rod; 2-2—soil loosening tooth tip;

3—Loose soil gear sleeve; 4—Horizontal bar; 4-1—Second groove;

5—top block; 6—return spring; 7—loose soil gear body;

7-1—the first groove.

Detailed ways

As shown in Figures 1 to 3, the utility model includes a cross bar 4 and a soil loosening gear. Soil gear body 7 and the soil loosening tooth that is installed on the soil loosening gear body 7 wheel rims, the quantity of described soil loosening tooth is a plurality of, and a plurality of soil loosening teeth are evenly arranged, and the mounting direction of a plurality of soil loosening teeth is the same, so The head of the loosening tooth is covered with a loosening tooth cover 3, the inner ring of the loosening gear body 7 and the position corresponding to the loosening tooth have a first groove 7-1, and the cross bar 4 has a A second groove 4-1, the second groove 4-1 cooperates with one of the first grooves 7-1 to form a scarifying tooth overload protection cavity, and a scarifying tooth overload protection cavity is provided with a scarifying tooth Overload protection mechanism, the loose soil tooth overload protection mechanism includes a top block 5 and a return spring 6, the top block 5 is arranged in the first groove 7-1, and the bottom of the top block 5 is provided with a spring fixing protrusion 1. The return spring 6 is set on the spring fixing protrusion 1, one end of the return spring 6 is fixed to the lower end surface of the top block 5, and the other end of the return spring 6 is connected to the bottom surface of the second groove 4-1 fixed.

As shown in Figures 1 to 3, the loosening tooth is composed of a loosening tooth bar 2-1 and a loosening tooth tip 2-2, and one end of the loosening tooth bar 2-1 is fixed on the loosening gear body 7 On the rim of the soil loosening tooth tip 2-2 is fixed on the other end of the soil loosening tooth bar 2-1, and the soil loosening tooth cover 3 is enclosed within on the soil loosening tooth tip 2-2.

As shown in Figures 1 and 3, the cross-sectional shape of the top block 5 is a right-angled trapezoid, and when the loosening teeth are subjected to excessive external resistance, it is convenient for the loosening gear body 7 to squeeze the top block 5; the spring The fixing protrusion 1 is arranged at the straight waist of the top block 5, and the oblique waist of the top block 5 is opposite to the top surface of the first groove 7-1 constituting the overload protection cavity of the loosening tooth.

As shown in Figure 3, the number of the spring fixing protrusion 1 and the return spring 6 is two, and the two spring fixing protrusions 1 are arranged symmetrically, and each spring fixing protrusion 1 is covered with a return spring 6; More back-moving springs 6 can be laid out to ensure the stability of the loosening operation of the whole mechanism.

As shown in Fig. 2 and Fig. 3, the length of the cross bar 4 is greater than the thickness of the soil loosening gear body 7, and both ends of the cross bar 4 protrude from the two end faces of the soil loosening gear body 7 to facilitate connection.

As shown in Figures 1 to 3, the number of loosening teeth is six, and more loosening teeth can be arranged according to actual needs, or multiple rings of loosening teeth can be arranged to meet the requirements of different loosening operation widths. Improve the efficiency of soil loosening operations.

In this embodiment, the loosening gear body 7 is a steel loosening gear body, the loosening teeth are steel loosening teeth, and the loosening gear sleeve 3 is a steel loosening gear sleeve, which has high strength and wear resistance. good.

The working principle of the utility model is: when in use, the cross bar 4 is connected with the afterbody of the engineering machinery to fix the multi-tooth ripper on the engineering machinery. When the device is used for stripping and loosening operations on hard working surfaces such as large rocks and salt mines, the top block 5 will compress the return spring 6 under the action of excessive resistance transmitted by the loosening gear body 7 to realize switching of the loosening gear. function, thus preventing the ripper from being broken due to excessive resistance. The loosening tooth cover 3 is used to protect the loosening tooth tip 2-2, to reduce wear and tear, prolong the service life of the loosening tooth, thereby saving maintenance cost.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any simple modifications, changes and equivalent structural transformations made to the above embodiments according to the technical essence of the present utility model still belong to Within the scope of protection of the technical solution of the utility model.

Claims (7)

1. An anti-jamming multi-tooth ripper for engineering machinery is characterized in that: it comprises a cross bar (4) and a soil loosening gear, and the cross bar (4) passes through the center of the soil loosening gear along the axis and is connected with the soil loosening gear. Gear transition fit, the soil loosening gear includes a soil loosening gear body (7) and soil loosening teeth installed on the rim of the soil loosening gear body (7), the number of the soil loosening teeth is multiple, and a plurality of soil loosening teeth The teeth are evenly arranged, and the installation directions of a plurality of loosening teeth are the same. The head of the loosening teeth is covered with a loosening gear cover (3), and the inner ring of the loosening gear body (7) corresponds to the position of the loosening teeth. A first groove (7-1) is opened at the place, a second groove (4-1) is opened on the crossbar (4), and the second groove (4-1) is connected with one of the first The groove (7-1) cooperates to form a loosening tooth overload protection cavity, and the loosening tooth overload protection mechanism is arranged in the loosening tooth overload protection cavity, and the loosening tooth overload protection mechanism includes a top block (5) and a return spring (6), the top block (5) is arranged in the first groove (7-1), the bottom of the top block (5) is provided with a spring fixing protrusion (1), and the return spring (6) Covered on the spring fixing protrusion (1), one end of the return spring (6) is fixed to the lower end surface of the top block (5), and the other end of the return spring (6) is connected to the second groove (4-1 ) is fixed at the bottom. 2. The anti-jamming multi-tooth ripper for construction machinery according to claim 1, characterized in that: the ripper teeth are composed of a ripper tooth bar (2-1) and a ripper tooth tip (2-2) ) composition, one end of the loosening tooth bar (2-1) is fixed on the rim of the loosening gear body (7), and the loosening tooth tip (2-2) is fixed on the loosening tooth bar (2- 1) the other end, the loosening tooth cover (3) is sleeved on the loosening tooth tip (2-2). 3. An anti-jamming multi-tooth ripper for construction machinery according to claim 1 or 2, characterized in that: the cross-sectional shape of the top block (5) is a right-angled trapezoid, and the spring fixing protrusion ( 1) It is arranged at the straight waist of the top block (5), and the oblique waist of the top block (5) is opposite to the top surface of the first groove (7-1) forming the overload protection chamber of the loosening tooth. 4. An anti-jamming multi-tooth ripper for construction machinery according to claim 1 or 2, characterized in that: the number of the spring fixing protrusion (1) and the return spring (6) are two, The two spring fixing protrusions (1) are arranged symmetrically, and each spring fixing protrusion (1) is covered with a return spring (6). 5. A anti-jamming multi-tooth ripper for construction machinery according to claim 1 or 2, characterized in that: the length of the cross bar (4) is greater than the thickness of the ripper gear body (7), and the The two ends of cross bar (4) all protrude from the two end faces of soil loosening gear body (7). 6. The anti-jamming multi-tooth ripper for construction machinery according to claim 1 or 2, wherein the number of said ripper teeth is six. 7. The anti-jamming multi-tooth ripper for construction machinery according to claim 1 or 2, characterized in that: the soil loosening gear body (7) is a steel soil loosening gear body, and the soil loosening teeth are A steel loosening tooth, and the described loosening tooth cover (3) is a steel loosening tooth cover.