CN220451751U - Power head - Google Patents

Abstract

The utility model discloses a power head, which belongs to the technical field of power heads and comprises a power head main body, wherein a connecting threaded rod is fixedly arranged at the transmission end of the power head main body, an external tooth gear is fixedly arranged at the front end of the connecting threaded rod, an internal tooth gear is arranged at the outer end of the external tooth gear, and a cutter is fixedly arranged at the front end of the internal tooth gear.

Description

Power head

Technical Field

The utility model relates to the technical field of power heads, in particular to a power head.

Background

The power head is a component for main movement and feeding movement, has various forms, can be used for drilling coal bed gas, can be used for drilling the coal bed gas, and realizes the drilling processing of the coal bed gas by the power head; however, because the rotary cutter shafts of the vertical tool magazine are all horizontally oriented, when drilling or hole site depth operation with a certain included angle with the water surface is required, the process is complex, drilling precision is easy to influence, and therefore, the angle-adjustable power head is required.

Chinese patent grant bulletin number: CN202220297950.5, provide rotary power head, this scheme drives the unit head through angle adjustment mechanism and rotates, thereby the cutter of various functions of fast switch over, and can drive the arbitrary angle of power take off head deflection, and then adjust the position and the angle of connecting the cutter on the unit head, in order to accomplish the processing of horizontal direction and to the processing of complicated coalbed methane drilling, make equipment cost and design degree of difficulty reduce, but when the unit head drove the cutter to rotate, because the cutter is threaded connection with the traditional connected mode of unit head, long-time work, the junction of cutter and unit head receives too big torsion easily and becomes flexible, can influence the use of cutter to a certain extent.

Therefore, a power head is proposed against the above-described problems.

Disclosure of Invention

Therefore, the utility model provides a power head to solve the problem that the joint of a cutter and the power head is easy to loose due to overlarge torsion caused by long-time work of the cutter connected by threads in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

according to the first aspect of the utility model, the power head comprises a power head main body, a connecting threaded rod is fixedly arranged at the transmission end of the power head main body, an external gear is fixedly arranged at the front end of the connecting threaded rod, an internal gear is arranged at the outer end of the external gear, and the cutter is fixedly arranged at the front end of the internal gear.

Further, the outer end of the internal gear is fixedly provided with a fixed block, the fixed block is fixedly provided with a chute at the outer end, and the chute penetrates through the fixed block.

Further, a sliding rod is arranged in the sliding groove.

Further, the front end of the sliding rod is fixedly provided with a limiting block, the limiting block is positioned at the rear side of the sliding groove, and the limiting block is matched with the sliding groove.

Further, the rear end fixed mounting of slide bar is in there is the go-between, slide bar and go-between swing joint, the go-between is located the outer end of connecting threaded rod, top go-between and connecting threaded rod threaded connection.

Further, the external gear is matched with the internal gear.

Further, the number of the fixing blocks is multiple, the fixing blocks are symmetrically distributed, and the shape of each fixing block is fan-shaped.

Further, the sliding rod is matched with the sliding groove, and the sliding groove is connected with the sliding rod in a sliding way.

The utility model has the following advantages:

this scheme is through setting up external tooth gear and internal tooth gear, through the driving end and external tooth gear fixed connection of connecting threaded rod with the unit head main part, internal tooth gear fixes the cutter, when needs are assembled, with internal tooth gear cover at external tooth gear's outer end, at this moment, internal tooth gear meshes with external tooth gear, make connecting threaded rod and cutter be connected, because internal tooth gear is the meshing connection with external tooth gear, consequently, even carry out long-time work, internal tooth gear and external tooth gear are also accurate connection, and then the connecting threaded rod is more stable with cutter connection, avoid conventional threaded connection to use the back for a long time, the screw thread is not hard up, and influence the use of cutter.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, proportional changes, or adjustments of size, which do not affect the efficacy of the utility model or the objects achieved, should fall within the scope of the utility model.

FIG. 1 is a schematic diagram of a power head according to the present utility model;

FIG. 2 is a schematic side view of a cross-sectional structure according to the present utility model;

fig. 3 is a schematic diagram of the structure of an external gear and an internal gear provided by the utility model;

fig. 4 is a schematic diagram of a sliding rod and a limiting block provided by the utility model.

In the figure:

1. a power head main body; 201. connecting a threaded rod; 202. an external gear; 203. an internal tooth gear; 204. a cutter; 205. a fixed block; 206. a chute; 207. a slide bar; 208. a limiting block; 209. and a connecting ring.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a power head includes a power head main body 1, a connection threaded rod 201 is fixedly mounted at a transmission end of the power head main body 1, an external gear 202 is fixedly mounted at a front end of the connection threaded rod 201, an internal gear 203 is mounted at an outer end of the external gear 202, and a cutter 204 is fixedly mounted at a front end of the internal gear 203.

Referring to fig. 1, 2 and 4, a fixed block 205 is fixedly arranged at the outer end of an internal gear 203, a sliding groove 206 is fixedly arranged at the outer end of the fixed block 205, and the sliding groove 206 penetrates through the fixed block 205.

Referring to fig. 4, a sliding rod 207 is installed inside the sliding slot 206, and the sliding slot 206 is provided to facilitate the sliding rod 207 to move, so that a user can move the sliding rod 207 back and forth, thereby facilitating the subsequent positioning.

The front end fixed mounting of slide bar 207 has stopper 208, and stopper 208 is located the rear side of spout 206, stopper 208 and spout 206 looks adaptation, and stopper 208 is connected through slide bar 207 to this scheme, and when slide bar 207 moved to the rear end, slide bar 207 drove stopper 208 and moved backward, moved to the rear end laminating of fixed block 205 after the certain position, consequently limited the position of internal tooth gear 203, avoided internal tooth gear 203 and external tooth gear 202 to drop, the use of cutter 204 of being convenient for more.

The rear end fixed mounting of slide bar 207 has link 209, slide bar 207 and link 209 swing joint, link 209 is located the outer end of connecting threaded rod 201, top link 209 and connecting threaded rod 201 threaded connection, this scheme passes through slide bar 207 and connects link 209, when the position of needs with external tooth gear 202 is limited, the rotatable link 209 of user makes link 209 carry out threaded connection with connecting threaded rod 201, because internal tooth gear 203 and external tooth gear 202 are the meshing, so, can not receive the torsion because of power head main part 1 drives cutter 204 during operation between link 209 and the connecting threaded rod 201, can not bear too big torsion between link 209 and the connecting threaded rod 201, consequently, even if in long-time use, link 209 and connecting threaded rod 201 also can not become flexible, the use of cutter 204 of being convenient for more.

Referring to fig. 2, the external gear 202 is adapted to the internal gear 203, so that the external gear 202 and the internal gear 203 are convenient for a user to quickly install and detach, are not easy to loosen, and are more beneficial to the use of the cutter 204.

Referring to fig. 1, the number of the fixing blocks 205 is plural, the fixing blocks 205 are symmetrically distributed, the shape of the fixing blocks 205 is fan-shaped, the fixing blocks 205 facilitate the movement of the sliding rod 207, and the position of the external gear 202 is conveniently limited, so that the external gear 202 and the internal gear 203 are stably connected

Referring to fig. 4, the sliding rod 207 is matched with the sliding slot 206, the sliding slot 206 is slidably connected with the sliding rod 207, and the sliding slot 206 limits the position of the sliding rod 207, so that the sliding rod 207 can only move forward and backward while the sliding rod 207 is not affected.

The application process of the embodiment of the utility model is as follows:

when the assembly is needed, the internal gear 203 is sleeved at the outer end of the external gear 202, at this time, the internal gear 203 is meshed with the external gear 202, so that the connection threaded rod 201 is connected with the cutter 204, because the internal gear 203 is meshed with the external gear 202, even if the assembly is operated for a long time, the internal gear 203 is tightly connected with the external gear 202, and then the connection threaded rod 201 is connected with the cutter 204 more stably, so that the use of the cutter 204 is influenced by the fact that the conventional threaded connection is realized after the assembly is used for a long time, threads are loosened, then the connection ring 209 is rotated, the connection ring 209 is in threaded connection with the connection threaded rod 201, and because the internal gear 203 is meshed with the external gear 202, the connection ring 209 and the connection threaded rod 201 cannot bear excessive torsion due to the fact that the cutter 204 is driven by the power head main body 1, and therefore, even if the assembly is used for a long time, the connection ring 209 and the connection threaded rod 201 cannot be loosened, and the use of the cutter 204 is more convenient.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (8)

1. The utility model provides a power head, includes power head main part (1), its characterized in that, the drive end fixed mounting of power head main part (1) has connection threaded rod (201), the front end fixed mounting of connection threaded rod (201) has external gear (202), internal gear (203) are installed to the outer end of external gear (202), cutter (204) fixed mounting in the front end of internal gear (203).

2. The power head according to claim 1, wherein a fixed block (205) is fixedly arranged at the outer end of the internal gear (203), a sliding groove (206) is fixedly arranged at the outer end of the fixed block (205), and the sliding groove (206) penetrates through the fixed block (205).

3. A power head according to claim 2, characterized in that the sliding chute (206) is internally provided with a sliding rod (207).

4. A power head according to claim 3, characterized in that a limiting block (208) is fixedly arranged at the front end of the sliding rod (207), the limiting block (208) is positioned at the rear side of the sliding groove (206), and the limiting block (208) is matched with the sliding groove (206).

5. The power head according to claim 4, wherein the rear end of the sliding rod (207) is mounted on a connecting ring (209), the sliding rod (207) is movably connected with the connecting ring (209), the connecting ring (209) is located at the outer end of the connecting threaded rod (201), and the top connecting ring (209) is in threaded connection with the connecting threaded rod (201).

6. A power head according to claim 1, characterized in that the external gear (202) is adapted to the internal gear (203).

7. The power head according to claim 2, wherein the number of the fixing blocks (205) is plural, the fixing blocks (205) are symmetrically distributed, and the shape of the fixing blocks (205) is a sector.

8. A power head according to claim 3, characterized in that the slide bar (207) is adapted to a slide slot (206), the slide slot (206) being in sliding connection with the slide bar (207).