CN214533945U

CN214533945U - Screw rod structure of mining machinery

Info

Publication number: CN214533945U
Application number: CN202120566907.XU
Authority: CN
Inventors: 梁雪峰; 曹卫香
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-29
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a mining machinery's screw rod structure belongs to machinery. The utility model provides a mining machinery's screw rod structure, including the spiral shell head, the spiral shell head lower extreme has set firmly the screw rod, the screw rod outside is equipped with the screw thread, spacing groove A has been seted up to spiral shell head bottom surface, the inside draw-in groove of having seted up for the position of spacing groove A top surface of spiral shell head, spiral shell head bottom surface is equipped with the gasket, it has set firmly latch A to go up the gasket bottom surface, it has set firmly spacing ring A to go up gasket top surface internal diameter edge, spacing ring A top surface has set firmly latch B, it is equipped with down the gasket to go up the gasket below, lower gasket top surface has set firmly latch C, lower gasket bottom surface internal diameter edge has set firmly spacing ring B, lower gasket bottom surface is equipped with the nut. The utility model discloses set up spacing groove A, the nut outside sets up spacing groove B in the spiral shell head bottom surface, can assemble the axle center and the nut axle center of last gasket and lower gasket on same vertical axis through spacing groove A and spacing groove B for the whole atress of device is even, the effect of playing that can be better and connecting fixedly.

Description

Screw rod structure of mining machinery

Technical Field

The utility model relates to the field of machinary, more specifically say, relate to a mining machinery's screw rod structure.

Background

Mining machinery is the machinery that is directly used for operations such as mineral exploitation and rich selection, including mining machinery and ore dressing machinery, the patent document who discloses the CN210637345U among the prior art provides a mining machinery's screw rod structure, the device props the screw rod from inside through the expansion link and enlarges, it can not become flexible to have guaranteed that fixed hex bolts can not become flexible, and, effort is applyed to fixed hex bolts to first barrel, fixed effect of fixed hex bolts has further been promoted, and simultaneously, when the bolt produces vibrations, fixed casing and expansion link and screw rod direction of connection's difference, it can not become flexible because of vibrations to have guaranteed that fixed casing and expansion link can not be because of vibrations, though the device beneficial effect is more, nevertheless there is the following problem still: the cross groove is formed in the screw, and due to the particularity of the working environment of the mining machine, the strong shock environment and the mining machine are severe in shock, the screw is prone to fracture under the action of the strong shock of the machine and is not beneficial to mechanical work.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a mining machinery's screw rod structure to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

A screw structure of mining machinery comprises a screw head, a screw is fixedly arranged at the lower end of the screw head, threads are arranged outside the screw, the bottom surface of the screw head is provided with a limiting groove A which is of an annular structure, the position inside the screw head corresponding to the top surface of the limiting groove A is provided with a clamping groove, the bottom surface of the screw head is provided with an upper gasket, the bottom surface of the upper gasket is fixedly provided with a plurality of latch teeth A in an annular equidistant structure, a limiting ring A is fixedly arranged at the inner diameter edge of the top surface of the upper gasket, a latch B is fixedly arranged on the top surface of the limiting ring A, a lower gasket is arranged below the upper gasket, a plurality of latch teeth C are fixedly arranged on the top surface of the lower gasket in an annular equidistant structure, the edge of the inner diameter of the bottom surface of the lower gasket is fixedly provided with a limiting ring B, the bottom surface of the lower gasket is provided with a nut, the nut internal diameter is seted up the thread groove with screw thread looks adaptation, the nut outside is the longitudinal symmetry structure and is seted up two spacing grooves B.

Preferably, the clamping groove is matched with the clamping tooth B in a clamping mode.

Preferably, the tooth directions of the latch A and the latch B are arranged in a clockwise structure.

Preferably, the limiting ring A is rotatably connected with the limiting groove A.

Preferably, the teeth of the latch C are arranged in a counterclockwise structure.

Preferably, the limiting ring B is rotatably connected with the limiting groove B.

Preferably, the nut is fixed to the threaded knot.

3. Advantageous effects

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

1. the utility model discloses set up spacing groove A and draw-in groove in the spiral shell head bottom surface, will go up the gasket and carry out the joint cooperation with the spiral shell head through the draw-in groove, utilize 2 bottom surface latch A of gasket to increase and the mechanical connection hole between the frictional force, make the fixed back of nut spiro union, the bolt is under the inseparable pressfitting friction action of last gasket, it is more firm, and add the gasket of establishing again in the nut top, further increase the frictional force between device and the mechanical connection hole, and latch A and latch C tooth are opposite to the tooth, can effectively avoid the screw rod to take place not hard up because of the mechanical macroseism, the inside cross groove of having seted up of screw rod has been solved, the screw rod breaks easily under the mechanical macroseism effort, be unfavorable for the problem of mechanical work.

2. The utility model discloses set up spacing groove A, the nut outside sets up spacing groove B in the spiral shell head bottom surface, can assemble the axle center and the nut axle center of last gasket and lower gasket on same vertical axis through spacing groove A and spacing groove B for the whole atress of device is even, the effect of playing that can be better and connecting fixedly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a left side schematic view of the overall structure of the utility model;

fig. 3 is a schematic bottom view of the overall structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at the position A of the present invention;

the reference numbers in the figures illustrate: 1. a screw head; 2. an upper gasket; 3. a lower gasket; 4. a nut; 101. a thread; 102. a limiting groove A; 103. a card slot; 201. a latch A; 202. a limiting ring A; 203. a latch B; 301. a latch C; 302. a limiting ring B; 401. a thread groove; 402. and a limiting groove B.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

a screw structure of mining machinery comprises a screw head 1, a screw is fixedly arranged at the lower end of the screw head 1, a thread 101 is arranged outside the screw, a limiting groove A102 is arranged on the bottom surface of the screw head 1, the limiting groove A102 is of a ring-shaped structure, a clamping groove 103 is arranged in the screw head 1 relative to the top surface of the limiting groove A102, an upper gasket 2 is arranged on the bottom surface of the screw head 1, a plurality of clamping teeth A201 are fixedly arranged on the bottom surface of the upper gasket 2 in a ring-shaped equidistant structure, the upper gasket 2 is conveniently clamped and matched with the screw head 1, a limiting ring A202 is fixedly arranged on the inner diameter edge of the top surface of the upper gasket 2, a clamping tooth B203 is fixedly arranged on the top surface of the limiting ring A202, a lower gasket 3 is arranged below the upper gasket 2, a plurality of clamping teeth C301 are fixedly arranged on the top surface of the lower gasket 3 in a ring-shaped equidistant structure, a limiting ring B302 is fixedly arranged on the inner diameter edge of the bottom surface of the lower gasket 3, a nut 4 is provided with a thread groove 401 matched with the thread 101, two limiting grooves B402 are formed in the outer portion of the nut 4 in an up-down symmetrical structure, and the nut 4 is conveniently in clamping fit with the lower gasket 3.

Specifically, the clamping groove 103 is matched with the clamping tooth B203 in a clamping manner, so that the friction force between the screw head 1 and the upper gasket 2 is increased conveniently.

Furthermore, the tooth direction of the latch A201 and the tooth direction of the latch B203 are both arranged in a clockwise structure, so that the friction force between the upper gasket 2 and the mechanical connecting hole is increased.

Furthermore, the limiting ring A202 is rotatably connected with the limiting groove A102, so that the stress of the screw joint is uniform.

Furthermore, the latch C301 is arranged in a counterclockwise structure, so that the friction force between the lower gasket 3 and the mechanical connecting hole is increased.

It is worth to be noted that the limiting ring B302 is rotatably connected with the limiting groove B402, so that the axes of the lower gasket 3, the nut 4 and the screw rod are conveniently converged on the same vertical axis, and the stress of the screw joint is uniform.

In addition, the nut 4 is fixed with the thread 101 in a threaded manner, so that the mechanical connecting hole can be conveniently connected and fixed.

The working principle is as follows: when the device is used for shockproof fixation of machinery, the upper gasket 2 is firstly put in the middle of the screw rod, so that the limiting ring A202 is in clearance fit with the limiting groove A102 on the bottom surface of the screw head 1, then the bottom end of the screw rod passes through the mechanical connecting hole, the latch C301 on the top surface of the lower gasket 3 is attached to the bottom surface of the mechanical connecting hole, then the nut 4 and the screw rod are fixed by screwing clockwise manually, at the same time, the limit ring B302 on the bottom surface of the lower gasket 3 is matched with the limit groove B402 arranged on the surface of the nut 4 in a rotating connection way, then the nut 4 is fixed with the screw bolt by the auxiliary tool, because the tooth direction of the latch A201 and the tooth direction of the latch B203 are arranged in a clockwise structure, the tooth direction of the latch C301 is arranged in a counterclockwise structure, when the nut 4 is screwed, the latch A201 on the bottom surface of the upper gasket 2 is tightly attached and clamped with the top surface of the mechanical connecting hole, and the latch C301 on the bottom surface of the lower gasket 3 is tightly attached and clamped with the bottom surface of the mechanical connecting hole.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mining machinery's screw rod structure, includes spiral shell head (1), its characterized in that: the lower end of the screw head (1) is fixedly provided with a screw rod, threads (101) are arranged outside the screw rod, a limiting groove A (102) is formed in the bottom surface of the screw head (1), the limiting groove A (102) is of an annular structure, a clamping groove (103) is formed in the position, relative to the top surface of the limiting groove A (102), inside the screw head (1), an upper gasket (2) is arranged on the bottom surface of the screw head (1), the bottom surface of the upper gasket (2) is of an annular equidistant structure and is fixedly provided with a plurality of clamping teeth A (201), the edge of the inner diameter of the top surface of the upper gasket (2) is fixedly provided with a limiting ring A (202), the top surface of the limiting ring A (202) is fixedly provided with a clamping tooth B (203), a lower gasket (3) is arranged below the upper gasket (2), the top surface of the lower gasket (3) is of an annular equidistant structure and is fixedly provided with a plurality of clamping teeth C (301), the edge of the inner diameter of the bottom surface of the lower gasket (3) is fixedly provided with a limiting ring B (302), the lower gasket (3) bottom surface is equipped with nut (4), thread groove (401) with screw thread (101) looks adaptation is seted up to nut (4) internal diameter, nut (4) outside is the longitudinal symmetry structure and has seted up two spacing grooves B (402).

2. The screw structure of a mining machine according to claim 1, wherein: the clamping groove (103) is in clamping fit with the clamping tooth B (203).

3. The screw structure of a mining machine according to claim 1, wherein: the tooth direction of the latch A (201) and the tooth direction of the latch B (203) are arranged in a clockwise structure.

4. The screw structure of a mining machine according to claim 1, wherein: the limiting ring A (202) is rotatably connected with the limiting groove A (102).

5. The screw structure of a mining machine according to claim 1, wherein: the latch C (301) is arranged in a counterclockwise structure in the tooth direction.

6. The screw structure of a mining machine according to claim 1, wherein: the limiting ring B (302) is rotatably connected with the limiting groove B (402).

7. The screw structure of a mining machine according to claim 1, wherein: the nut (4) is fixed with the thread (101) in a threaded manner.