CN209780752U

CN209780752U - Anti-sticking triangular spiral non-magnetic screw drilling tool

Info

Publication number: CN209780752U
Application number: CN201920358887.XU
Authority: CN
Inventors: 朱加道; 王国华
Original assignee: Yancheng City Rong Jia Machinery Manufacturing Co Ltd
Current assignee: Yancheng City Rong Jia Machinery Manufacturing Co Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2019-12-13
Anticipated expiration: 2029-03-21

Abstract

The utility model relates to an anti-sticking triangular spiral non-magnetic screw drill, which comprises an upper joint, a rotor, a universal shaft assembly and an adjusting transmission shaft assembly which are arranged in sequence, wherein the rotor is arranged in a stator; the universal shaft assembly comprises a universal joint shell and a universal shaft which are sequentially arranged from outside to inside, wherein one end of the universal shaft is fixedly connected with the rotor through the adapter assembly, and the other end of the universal shaft is fixedly connected with the transmission shaft; the adjusting transmission shaft assembly comprises a bearing shell and a transmission shaft arranged in the bearing shell; wherein the outer surface of the transmission shaft is transversely provided with an adjusting washer, an upper TC bearing, a support sleeve, a serial bearing, a lower nut and a lower TC bearing in sequence; wherein a damping component is arranged between the support sleeve and the string bearing, the damping component comprises a plurality of disc springs, and a matching gasket is arranged between every two adjacent disc springs. When the coal bed collapses, the rotating stability and the anti-seismic force of the screw drilling tool are utilized to timely release the blockage and prolong the service life.

Description

Anti-sticking triangular spiral non-magnetic screw drilling tool

Technical Field

The utility model relates to a colliery is screw rod drilling tool in the pit specifically is a three edged spiral of anti-sticking does not have magnetism screw rod drilling tool.

Background

According to the complex and changeable conditions of the underground coal mine, collapse is easy to happen later, the conventional screw drilling tool is difficult to release the blockage, coal scraps cannot be discharged in time when the coal bed collapses and are easy to break, the operation and the service life are affected, and economic loss is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an anti-sticking triangular spiral does not have magnetism screw rod drilling tool utilizes screw rod drilling tool's pivoted stability and anti-seismic force when the coal seam collapses, in time unfreezes and improves life.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an anti-jamming triangular spiral non-magnetic screw drilling tool comprises an upper joint, a rotor, a universal shaft assembly and an adjusting transmission shaft assembly which are sequentially arranged, wherein the rotor is arranged in a stator; the universal shaft assembly comprises a universal joint shell and a universal shaft which are sequentially arranged from outside to inside, wherein one end of the universal shaft is fixedly connected with the rotor through the adapter assembly, and the other end of the universal shaft is fixedly connected with the transmission shaft; the adjusting transmission shaft assembly comprises a bearing shell and a transmission shaft arranged in the bearing shell; wherein the outer surface of the transmission shaft is transversely provided with an adjusting washer, an upper TC bearing, a support sleeve, a serial bearing, a lower nut and a lower TC bearing in sequence; wherein a damping component is arranged between the support sleeve and the string bearing, the damping component comprises a plurality of disc springs, and a matching gasket is arranged between every two adjacent disc springs.

Preferably, one end of the upper TC bearing is embedded into the adjusting washer, so that the binding force is improved, and the shaking is reduced.

Preferably, a rubber sheath is arranged between the rotor and the stator.

Preferably, the adaptor assembly comprises a connecting sleeve; the rotor is fixedly connected with the universal shaft through a connecting sleeve; the projection on the universal shaft is embedded in the trapezoidal groove of the connecting sleeve.

Preferably, the end part of the lower TC bearing extends and is clamped at the edge part of the bearing shell.

(III) advantageous effects

Compared with the prior art, the utility model provides an anti-sticking triangular spiral does not have magnetism screw rod drilling tool possesses following beneficial effect:

1. According to the anti-jamming triangular spiral non-magnetic screw drilling tool, through the design of the damping assembly, a matching gasket is arranged between each disc spring and every two adjacent disc springs; the service life of the tandem bearing in the environment of high-speed rotation and vibration can be effectively prolonged, the tandem bearing is prevented from being broken, and the vibration force is reduced.

2. A connecting sleeve is utilized in the process of rotating the rotor; the projection on the universal shaft is embedded in the trapezoidal groove of the connecting sleeve; guarantee that the cardan shaft can not drop along with the pivoted in-process, transmission shaft rotational stability like this.

3. because the upper TC bearing and the lower TC bearing are arranged, the strength and the hardness are high, and the structural strength of the whole screw drilling tool is improved.

Drawings

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

FIG. 2 is a schematic structural view of an adjustment driveshaft assembly;

Fig. 3 is a partially enlarged view of a in fig. 1.

In the figure: 1. an upper joint; 2. a base plate; 3. a cardan shaft; 4. a rotor; 5. a drive shaft; 6. a bearing housing; 7. an adjusting washer; 8. an upper TC bearing; 9. a support sleeve; 10. stringing bearings; 11. a lower nut; 12. a lower TC bearing; 13. a disc spring; 14. fitting a gasket; 15. a stator; 16. a rubber sheath layer; 17. a connecting sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

referring to fig. 1-3, the anti-jamming triangular spiral non-magnetic screw drill comprises an upper joint 1, a rotor 4, a universal shaft assembly and an adjusting transmission shaft assembly which are sequentially arranged, wherein the rotor 4 is arranged in a stator 15; a rubber sheath 16 is arranged between the rotor 4 and the stator 15.

The universal shaft assembly comprises a universal joint shell 2 and a universal shaft 3 which are sequentially arranged from outside to inside, wherein one end of the universal shaft 3 is fixedly connected with the rotor 4 through a matching assembly, and the other end of the universal shaft 3 is fixedly connected with the transmission shaft 5; the adapting assembly comprises a connecting sleeve 17; the rotor 4 and the universal shaft 3 are fixedly connected through a connecting sleeve 17; the projection on the universal shaft 3 is embedded in the trapezoidal groove of the connecting sleeve 17.

The adjusting transmission shaft assembly comprises a bearing housing 6 and a transmission shaft 5 arranged in the bearing housing 6; wherein the outer surface of the transmission shaft 5 is transversely provided with an adjusting washer 7, an upper TC bearing 8, a support sleeve 9, a string bearing 10, a lower nut 11 and a lower TC bearing 12 in sequence; one end of the upper TC bearing 8 is embedded in the adjusting washer 7; the end part of the lower TC bearing 12 extends and is clamped at the edge part of the bearing shell 6.

A damping component is arranged between the support sleeve 9 and the tandem bearing 10, the damping component comprises a plurality of disc springs 13, and a matching gasket 14 is arranged between every two adjacent disc springs 13.

In the embodiment, by arranging the damping component, the disc spring 13 and the matching gasket 14 are utilized, so that the service life of the serial bearing 10 in the high-speed rotation and vibration environment is effectively prolonged, the serial bearing 10 is prevented from being broken, and the vibration force is reduced; the connecting sleeve 17 is utilized in the process of rotating the rotor 4; the projection on the universal shaft 3 is embedded in the trapezoidal groove of the connecting sleeve 17; the universal shaft 3 is ensured not to fall off in the process of rotating along with the universal shaft, so that the transmission shaft 5 rotates stably; when the coal bed collapses, the rotating stability and the anti-seismic force of the screw drilling tool are utilized to timely release the blockage and prolong the service life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-sticking triangular spiral does not have magnetism screw rod drilling tool which characterized in that: the device comprises an upper joint (1), a rotor (4), a universal shaft assembly and an adjusting transmission shaft assembly which are sequentially arranged, wherein the rotor (4) is arranged in a stator (15); the universal shaft assembly comprises a universal joint shell (2) and a universal shaft (3) which are sequentially arranged from outside to inside, wherein one end of the universal shaft (3) is fixedly connected with the rotor (4) through a matching assembly, and the other end of the universal shaft (3) is fixedly connected with the transmission shaft (5); the adjusting transmission shaft assembly comprises a bearing housing (6) and a transmission shaft (5) arranged in the bearing housing (6); wherein the outer surface of the transmission shaft (5) is transversely provided with an adjusting washer (7), an upper TC bearing (8), a support sleeve (9), a string bearing (10), a lower nut (11) and a lower TC bearing (12) in sequence; wherein a damping component is arranged between the support sleeve (9) and the string bearing (10), the damping component comprises a plurality of disc springs (13), and a matching gasket (14) is arranged between every two adjacent disc springs (13).

2. The anti-jamming triangular spiral non-magnetic screw drill according to claim 1, characterized in that: one end of the upper TC bearing (8) is embedded in the adjusting washer (7).

3. The anti-jamming triangular spiral non-magnetic screw drill according to claim 1, characterized in that: and a rubber sheath (16) is arranged between the rotor (4) and the stator (15).

4. The anti-jamming triangular spiral non-magnetic screw drill according to claim 1, characterized in that: the adapting assembly comprises a connecting sleeve (17); the rotor (4) and the universal shaft (3) are fixedly connected through a connecting sleeve (17); the projection on the universal shaft (3) is embedded in the trapezoidal groove of the connecting sleeve (17).

5. The anti-jamming triangular spiral non-magnetic screw drill according to claim 1, characterized in that: the end part of the lower TC bearing (12) extends and is clamped at the edge part of the bearing shell (6).