阅读说明：本技术 一种掘进机电控箱送电开关 (Power transmission switch of electric control box of tunneling machine ) 是由 冯亮 高承兴 胡建华 于 2020-03-25 设计创作，主要内容包括：本发明提供了一种掘进机电控箱送电开关,包括转轴,铜套及转动扳手；所述转轴设置于铜套内并能在铜套内转动,所述转轴前端通过电源开关连接装置与电控箱电源开关固定连接,所述转轴后部与转动扳手固定连接；所述转轴与铜套的接触表面上设置储油沟槽,所述转轴内设置连通所述储油沟槽的注油孔,所述转轴后端固定设置与所述注油孔连通的油杯。本发明提供的一种掘进机电控箱送电开关,可对转轴与铜套的接触面注入润滑油进行润滑,不仅方便送电开关的开关,还可防止转轴表面出现锈蚀现象。(The invention provides a power transmission switch of an electric control box of a tunneling machine, which comprises a rotating shaft, a copper sleeve and a rotating spanner; the rotating shaft is arranged in the copper sleeve and can rotate in the copper sleeve, the front end of the rotating shaft is fixedly connected with a power switch of the electric cabinet through a power switch connecting device, and the rear part of the rotating shaft is fixedly connected with the rotating wrench; set up the oil storage slot on the contact surface of pivot and copper sheathing, set up the intercommunication in the pivot the oil filler point of oil storage slot, the pivot rear end fixed set up with the oil cup of oil filler point intercommunication. The power transmission switch of the electric control box of the tunneling machine provided by the invention can inject lubricating oil into the contact surface of the rotating shaft and the copper sleeve for lubrication, is convenient for switching the power transmission switch and can prevent the surface of the rotating shaft from being rusted.)

1. The utility model provides a tunnelling machine electricity control box power transmission switch which characterized in that: comprises a rotating shaft (1), a copper sleeve (3) and a rotating wrench (13); the rotating shaft (1) is arranged in the copper sleeve (3) and can rotate in the copper sleeve (3), the front end of the rotating shaft (1) is fixedly connected with a power switch of the electric cabinet through a power switch connecting device (5), and the rear part of the rotating shaft (1) is fixedly connected with a rotating wrench (13); set up oil storage slot (7) on the contact surface of pivot (1) and copper sheathing (3), set up the intercommunication in pivot (1) the oil filler point of oil storage slot (7), pivot (1) rear end fixed set up with oil cup (12) of oil filler point (8) intercommunication.

2. The power transmission switch of the electric control box of the heading machine according to claim 1, wherein: the oil filling hole comprises an axial oil filling blind hole (8) which is arranged at the axle center of the rear part of the rotating shaft (1) and extends to the position of the oil storage groove (7), and a radial oil filling hole (14) which is arranged at the radial position of the rotating shaft (1) at the blind end of the axial oil filling blind hole (8) and is communicated with the axial oil filling blind hole (8) and the oil storage groove (7).

3. The power transmission switch of the electric control box of the heading machine according to claim 2, wherein: the oil storage groove (7) is a rectangular ring groove arranged on the outer surface of the rotating shaft (1) or/and the inner surface of the copper sleeve (3).

4. The power transmission switch of the electric control box of the heading machine according to claim 3, wherein: and a sealing structure (2) is arranged on the contact surface of the rotating shaft (1) and the copper sleeve (3), and the sealing structure (2) is arranged on two sides of the oil storage groove (7).

5. The power transmission switch of the electric control box of the heading machine according to claim 4, wherein: the sealing structure (2) comprises an annular sealing groove arranged on the rotating shaft (1) and an O-shaped sealing ring arranged in the annular sealing groove.

6. The power transmission switch of the electric control box of the heading machine according to claim 1, wherein: the rotary wrench (13) is of a hollow structure and is sleeved at the rear part of the rotating shaft (1).

7. The power transmission switch of the electric control box of the heading machine according to claim 1, wherein: the copper bush (3) is fixedly arranged on the fixing seat (6), and the fixing seat (6) is fixedly arranged on the electric cabinet wall plate (4).

8. The power transmission switch of the electric control box of the heading machine according to claim 7, wherein: the rear part of the fixed seat (6) is fixedly provided with a sheath (11), and the sheath (11) is protected outside the rotating shaft (1), an oil cup (12) connected with the rotating shaft (1) and a rotating wrench (13).

9. The power transmission switch of the electric control box of the heading machine according to claim 1, wherein: be provided with gasket (9) and jump ring (10) in the position that lies in copper sheathing (3) rear end on pivot (1), jump ring (10) are fixed to be set up in the ring groove on pivot (1), gasket (9) are fixed between jump ring (10) and copper sheathing (3).

Technical Field

The invention relates to the technical field of tunneling equipment, in particular to a power transmission switch of an electric control box of a tunneling machine.

Background

At present, with the continuous development of scientific technology and productivity, the application of cantilever type development machines in coal mine and mine excavation is more and more extensive, and the requirements of users on excavation equipment are not only efficiency, safety and the like, but also the reliability of the equipment in long-term use is emphasized. In the working process of using the heading machine, after the electric cabinet power transmission switch of the heading machine is used for a period of time, the situation that the electric cabinet power transmission switch cannot be moved or is difficult to move is often caused by rusting of a rotating shaft of the power transmission switch, so that the heading machine cannot normally transmit power or cut off the power, and the power transmission or cut off the power of the heading machine can be promoted only by performing power transmission or power cut-off operation through a superior switch. Although the surface of the rotating shaft is subjected to rust removal and polishing treatment, the rotating shaft of the power transmission switch of the electric cabinet is quickly rusted due to more underground water and relatively higher air humidity during the operation of the heading machine, and the power transmission switch can not be moved or is difficult to move quickly, so that the normal operation of the heading machine is influenced, the working efficiency of the heading machine is reduced, and the production efficiency is influenced.

Disclosure of Invention

The invention aims to solve the technical problem of providing a power transmission switch of an electric control box of a tunneling machine, which can prevent a rotating shaft from being corroded.

In order to solve the technical problem, the invention provides a power transmission switch of an electric control box of a tunneling machine, which comprises a rotating shaft, a copper sleeve and a rotating spanner; the rotating shaft is arranged in the copper sleeve and can rotate in the copper sleeve, the front end of the rotating shaft is fixedly connected with a power switch of the electric cabinet through a power switch connecting device, and the rear part of the rotating shaft is fixedly connected with the rotating wrench; set up the oil storage slot on the contact surface of pivot and copper sheathing, set up the intercommunication in the pivot the oil filler point of oil storage slot, the pivot rear end fixed set up with the oil cup of oil filler point intercommunication.

Furthermore, the oil filling hole comprises an axial oil filling blind hole and a radial oil filling hole, wherein the axial oil filling blind hole is arranged at the axle center of the rear part of the rotating shaft and extends to the position of the oil storage groove, and the radial oil filling hole is arranged at the radial position of the rotating shaft at the blind end of the axial oil filling blind hole and is communicated with the axial oil filling blind hole and the oil storage groove.

Furthermore, the oil storage groove is a rectangular ring groove arranged on the outer surface of the rotating shaft or/and the inner surface of the copper sleeve.

Further, a sealing structure is arranged on the contact surface of the rotating shaft and the copper sleeve, and the sealing structure is arranged on two sides of the oil storage groove.

Furthermore, the sealing structure comprises an annular sealing groove arranged on the rotating shaft and an O-shaped sealing ring arranged in the annular sealing groove.

Furthermore, the rotary wrench is of a hollow structure and is sleeved at the rear part of the rotating shaft.

Further, the copper bush is fixedly arranged on a fixed seat, and the fixed seat is fixedly arranged on a wall plate of the electric cabinet.

Furthermore, a sheath is fixedly arranged at the rear part of the fixing seat and is protected outside the rotating shaft, the oil cup connected with the rotating shaft and the rotating wrench.

Furthermore, a gasket and a clamp spring are arranged at the position, located at the rear end of the copper sleeve, of the rotating shaft, the clamp spring is fixedly arranged in an annular clamping groove in the rotating shaft, and the gasket is fixed between the clamp spring and the copper sleeve.

The invention provides a power transmission switch of an electric control box of a heading machine, wherein an oil storage groove is arranged on the contact surface of a rotating shaft of the power transmission switch and a copper sleeve, an oil filling hole communicated with the oil storage groove is arranged in the rotating shaft, an oil cup communicated with the oil filling hole is fixedly connected to the rear end of the rotating shaft, lubricating oil is filled in the oil cup, the lubricating oil enters the oil storage groove from the oil filling hole, and the contact surface of the rotating shaft of the power transmission switch and the copper sleeve is lubricated.

Drawings

Fig. 1 is a schematic structural diagram of a power transmission switch of an electric cabinet of a heading machine according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1, the power transmission switch of the electric control box of the heading machine provided by the embodiment of the invention comprises a rotating shaft 1, a copper bush 3 and a rotary wrench 13. The front end of the rotating shaft 1 is fixedly connected with a power switch connecting device 5, the power switch connecting device 5 is fixedly connected with a power switch of an electric control box of the heading machine, and the rear part of the rotating shaft 1 is fixedly connected with a rotating wrench 13. When the rotating wrench 3 is wrenched, the rotating wrench 3 drives the rotating shaft 1 to rotate in the copper sleeve 3, so as to drive the opening and closing of a power switch of the electric cabinet fixedly connected with the rotating shaft 1 through the power switch connecting device 5.

Wherein, copper sheathing 3 fixed mounting is on fixing base 6, and fixing base 6 fixed connection is on electric cabinet wallboard 4. In order to prevent the rotating shaft 1 from moving axially, a gasket 9 and a clamp spring 10 are arranged at the position, located at the rear end of the copper sleeve 3, of the rotating shaft 1, the clamp spring 10 is fixedly installed in an annular clamp groove in the rotating shaft 1, and the gasket 9 is fixed between the clamp spring 10 and the copper sleeve 3.

An oil storage groove 7 is arranged on the contact surface of the rotating shaft 1 and the copper sleeve 3, an oil filling hole communicated with the oil storage groove 7 is arranged in the rotating shaft 1, and an oil cup 12 communicated with the oil filling hole 8 is fixedly connected to the rear end of the rotating shaft (1). Utilize manual grease pump to pour into lubricating oil into in oil cup 12, lubricating oil pours into oil storage slot 7 into through the oil filler point into to the pivot 1 to the power transmission switch lubricates with the contact surface of copper sheathing 3, not only can make things convenient for the switch of power transmission switch, more crucial can also prevent that corrosion phenomenon from appearing in the surface of pivot 1, thereby the problem that the power transmission switch can't be moved or is difficult to move appears because pivot 1 rusts after having solved the electric cabinet power transmission switch of entry driving machine and using a period.

The oil storage groove 7 can be a rectangular ring groove arranged on the outer surface of the rotating shaft 1, or a rectangular ring groove arranged on the inner surface of the copper sleeve 3, or a rectangular ring groove arranged on the outer surface of the rotating shaft 1 and the inner surface of the copper sleeve 3 at opposite positions. Of course, the oil storage groove 7 may be a ring groove having another cross section, such as a trapezoidal ring groove. The oil storage grooves 7 may also be square grooves arranged at intervals on the outer circumferential surface of the rotating shaft 1. Of course, the oil storage groove 7 of the present invention is not limited to the above cases, and any oil storage groove 7 that can store oil and can lubricate and prevent the lubricating oil from being rusted on the contact surface between the rotating shaft 1 and the copper bush 3 is within the protection scope of the present invention. As an embodiment of the present invention, the oil storage groove 7 is a rectangular ring groove provided on the outer surface of the rotating shaft 1.

The oil filler hole has various forms, and all forms of oil filler holes which can ensure that the lubricating oil filled in the oil cup 12 can smoothly reach the oil storage groove 7 are within the protection scope of the invention. As a specific embodiment of the invention, the oil injection hole comprises an axial oil injection blind hole 8 which extends inwards from the axle center of the tail part of the rotating shaft 1 to the position of the oil storage groove 7, and a radial oil injection hole 14 which is arranged in the radial direction of the rotating shaft 1 and extends from the blind end of the axial oil injection blind hole 8 to the oil storage groove 7, the radial oil injection hole 14 is communicated with the axial oil injection blind hole 8 and the oil storage groove 7, and the number of the radial oil injection holes 14 can be multiple and is uniformly distributed in the radial direction of the same circumference of the rotating shaft 1. After lubricating oil is injected into the oil cup 12, the lubricating oil enters the axial oil filling blind hole 8 from the oil cup 12, and after the lubricating oil reaches the blind end of the axial oil filling blind hole 8, the lubricating oil enters the oil storage groove 7 from the radial oil filling hole 14, so that the lubricating and rust-proof effects are achieved on the contact surface of the rotating shaft 1 and the copper sleeve 3.

Still set up seal structure 2 on the contact surface of pivot 1 and copper sheathing 3, seal structure 2 sets up in the both sides of oil storage slot 7, not only can prevent the lubricating oil in the oil storage slot 7 to the outer seepage of copper sheathing 3, can also prevent that external dust from getting into pivot 1, makes pivot 1 reach better result of use. All sealing structures 2 that can play a role in seepage prevention and dust prevention are within the protection scope of the present invention. As an embodiment of the present invention, the sealing structure 2 includes an annular sealing groove provided on the rotating shaft 1 and an O-ring provided in the annular sealing groove. In order to achieve a better sealing effect, a plurality of annular sealing grooves and corresponding O-shaped sealing rings can be arranged on the rotating shaft 1 at two sides of the oil storage groove 7.

The rotary wrench 13 is a wrench-like member that can be rotated by manual movement. In order to conveniently inject lubricating oil into the oil cup 12 connected to the tail end of the rotating shaft 1, the rotating wrench 13 is designed to be of a hollow structure, and the rotating wrench 13 is sleeved on the tail portion of the rotating shaft 1 and is fixedly connected with the rotating shaft. When lubricating oil needs to be added into the oil cup 12, a connecting pipe of the manual dry oil pump can be connected to the oil cup 12 from the side, back to the rotating shaft 1, of the rotating wrench 13, and oil can be directly filled.

A protective sleeve 11 is fixedly connected to the rear portion of the fixing seat (6), the protective sleeve 11 is a circular protective sleeve and covers the rotating shaft 1, an oil cup 12 connected with the rotating shaft 1 and the outer portion of the rotating wrench 13, and therefore the situation that the rotating shaft 1, the oil cup 12, the rotating wrench 13 and other parts are damaged due to the fact that the tunneling machine falls rocks and is knocked down in the underground in the working process can be prevented.

Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.