CN214062945U

CN214062945U - Star wheel driving device for shovel plate of cantilever type development machine

Info

Publication number: CN214062945U
Application number: CN202023193119.5U
Authority: CN
Inventors: 杨文军
Original assignee: Changzhou Bocheng Machinery Manufacturing Co ltd
Current assignee: Changzhou Bocheng Machinery Manufacturing Co ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-08-27
Anticipated expiration: 2030-12-27

Abstract

The utility model relates to the technical field of cantilever type development machines, and discloses a star wheel driving device for a shovel plate of a cantilever type development machine, which comprises a cantilever arranged on the existing cantilever type development machine and a driving shaft arranged in the cantilever, limiting grooves are symmetrically arranged on the inner side wall of the cantilever, limiting blocks are connected in the limiting grooves in a sliding manner, opposite ends of the two limiting blocks penetrate through the notches of the corresponding limiting grooves and extend outwards, and are fixedly connected with a ball nut together, one end of the driving shaft close to the ball nut is fixedly connected with a reciprocating screw rod, the thread of the reciprocating screw rod is matched with the limit groove, one end of the reciprocating screw rod, which is far away from the driving shaft, penetrates through the ball nut, and the ball nut is in rolling connection with the reciprocating screw rod, and a driven nut is in threaded connection with the rod wall of the reciprocating screw rod, which is positioned on one side of the ball nut, which is far away from the driving shaft. The utility model discloses the scope of increase star gear effect, the scope of increase exploitation improves the efficiency of exploitation.

Description

Star wheel driving device for shovel plate of cantilever type development machine

Technical Field

The utility model relates to a cantilever type entry driving machine technical field especially relates to a star gear drive arrangement for cantilever type entry driving machine shovel board.

Background

The cantilever type tunneling machine is large mechanical equipment for coal mining, a star wheel and a shovel plate are mounted on the cantilever type tunneling machine, when the equipment is used, the height of the cantilever can be adjusted according to requirements, then a worker operates the equipment to enable a driving shaft in the cantilever to rotate, the star wheel connected with the driving shaft rotates, the rotating star wheel mines coal mines, and then the shovel plate at the bottom collects the coal mines mined by the star wheel;

and then the star gear drive arrangement of traditional cantilever type entry driving machine only relies on the drive shaft rotation for the star gear can only appointed within range internal rotation, and the scope of star gear effect is little, and the staff needs the drive entry driving machine forward motion very fast, and troublesome poeration, and then has reduced exploitation efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that traditional boom-type roadheader appears at the in-process that uses among the prior art, and the star gear drive arrangement for boom-type roadheader shovel board that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a star wheel driving device for a shovel plate of a cantilever type tunneling machine comprises a cantilever arranged on the existing cantilever type tunneling machine and a driving shaft arranged in the cantilever, wherein limiting grooves are symmetrically formed in the inner side wall of the cantilever, limiting blocks are connected in the limiting grooves in a sliding mode, the opposite ends of the two limiting blocks penetrate through notches corresponding to the limiting grooves and extend outwards, a ball nut is fixedly connected with the cantilever, a reciprocating screw rod is fixedly connected with one end, close to the ball nut, of the driving shaft, the thread of the reciprocating screw rod is matched with the limiting grooves, one end, far away from the driving shaft, of the reciprocating screw rod penetrates through the ball nut, the ball nut is in rolling connection with the reciprocating screw rod, a driven nut is in threaded connection with the rod wall of the reciprocating screw rod, located on one side, far away from the driving shaft, of the ball nut, and thrust bearing is fixed to be established between driven nut and ball nut, the fixed cover has connect reciprocal section of thick bamboo on driven nut's the lateral wall, the one end that the drive shaft was kept away from to reciprocal section of thick bamboo passes the cantilever and outwards extends, and fixedly connected with star gear, install sealing mechanism between reciprocal section of thick bamboo and the cantilever.

Preferably, the ball groove has been seted up to the stopper one end that is close to the spacing groove tank bottom, ball inslot roll is connected with the ball, the ball is kept away from the one end of ball groove tank bottom and is passed ball groove notch and outwards extend, and with the tank bottom roll connection of spacing groove.

Preferably, sealing mechanism is including the seal groove and the sealed pad that the section is the annular setting, the seal groove is seted up on the inside wall of cantilever, and the seal groove is located the one side that the drive shaft was kept away from to the spacing groove, sealed pad fixed connection is in the seal groove, the sealed one end of keeping away from the seal groove tank bottom of pad passes the notch of seal groove and outwards extends, and with the outer tube wall sealing sliding connection of reciprocating cylinder.

Preferably, the ball groove is closed, and the diameter of the ball is larger than that of the notch of the ball groove.

Preferably, one end of the reciprocating screw rod, which is far away from the driving shaft, is fixedly connected with a limiting block.

Preferably, the cantilever, the ball nut, the driven nut and the reciprocating cylinder are coated with antirust paint.

Compared with the prior art, the utility model provides a cantilever type entry driving machine star gear drive arrangement for shovel plate possesses following beneficial effect:

the star wheel driving device for the shovel plate of the cantilever type development machine comprises a cantilever, a driving shaft, a limiting groove, a limiting block, a ball nut, a reciprocating screw rod, a driven nut, a reciprocating cylinder and a sealing mechanism, wherein when the cantilever type development machine carries out exploitation, the driving shaft rotates to enable the reciprocating screw rod to rotate, the rotating reciprocating screw rod enables the ball nut to move, due to the limiting effect of the limiting block and the limiting groove, the ball nut cannot rotate along with the rotation of the reciprocating screw rod, the ball nut can only carry out reciprocating motion along the reciprocating screw rod, the driven nut is connected with the reciprocating screw rod nut and is not limited, the driven nut can rotate along with the rotation of the reciprocating screw rod, due to the threaded connection of the driven nut and the ball nut, the reciprocating motion along the reciprocating screw rod can be carried out, and the driven nut, the reciprocating cylinder and the star wheel can carry out the reciprocating motion along the axis of the reciprocating screw rod and simultaneously rotate, and then the scope of increase star gear effect, the scope of increase exploitation, the staff does not need often drive equipment motion, makes things convenient for the staff operation, improves the efficiency of exploitation.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the scope of increase star gear effect increases the scope of exploitation, improves the efficiency of exploitation.

Drawings

Fig. 1 is a schematic structural view of a star wheel driving device for a shovel plate of a cantilever type excavator according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: the device comprises a cantilever 1, a driving shaft 2, a limiting groove 3, a limiting block 4, a ball nut 5, a reciprocating screw rod 6, a driven nut 7, a reciprocating cylinder 8, a sealing mechanism 9, a sealing groove 91, a sealing gasket 92, a ball groove 10, balls 11 and a star wheel 12.

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.

Referring to fig. 1-3, a star wheel driving device for a shovel plate of a cantilever type tunneling machine comprises a cantilever 1 installed on the existing cantilever type tunneling machine and a driving shaft 2 installed in the cantilever 1, wherein limiting grooves 3 are symmetrically formed on the inner side wall of the cantilever 1, limiting blocks 4 are slidably connected in the limiting grooves 3, opposite ends of the two limiting blocks 4 penetrate through notches corresponding to the limiting grooves 3 and extend outwards, a ball nut 5 is fixedly connected with the driving shaft 2 together, one end of the driving shaft 2 close to the ball nut 5 is fixedly connected with a reciprocating screw 6, threads of the reciprocating screw 6 are matched with the limiting grooves 3, one end of the reciprocating screw 6 far away from the driving shaft 2 penetrates through the ball nut 5, the ball nut 5 is in rolling connection with the reciprocating screw 6, a driven nut 7 is in threaded connection with the rod wall of the reciprocating screw 6 on one side of the ball nut 5 far away from the driving shaft 2, and the driven nut 7 is in rotational connection with the ball nut 5 through a thrust bearing, the thrust bearing is fixedly arranged between the driven nut 7 and the ball nut 5, the outer side wall of the driven nut 7 is fixedly sleeved with a reciprocating cylinder 8, one end of the reciprocating cylinder 8, far away from the driving shaft 2, penetrates through the cantilever 1 and extends outwards, a star wheel 12 is fixedly connected, a sealing mechanism 9 is arranged between the reciprocating cylinder 8 and the cantilever 1, when the cantilever type heading machine is used for mining, the driving shaft 2 rotates to enable the reciprocating screw 6 to rotate, the rotating reciprocating screw 6 enables the ball nut 5 to move, due to the limiting effect of the limiting block 4 and the limiting groove 3, the ball nut 5 cannot rotate along with the rotation of the reciprocating screw 6, the ball nut 5 can only reciprocate along the reciprocating screw 6, the driven nut 7 is connected with the reciprocating screw 6 and is not limited, the driven nut 7 can rotate along with the rotation of the reciprocating screw 6, and the driven nut 7 is in threaded connection with the ball nut 5, and then also can carry out reciprocating motion along reciprocating screw 6, and then driven nut 7, reciprocating cylinder 8 and star gear 12 all carry out the motion of rotation when reciprocating motion along reciprocating screw 6 axis, and then the scope of increase star gear 12 effect, the scope of increase exploitation, the staff does not need the motion of frequent drive device, makes things convenient for the staff operation, improves the efficiency of exploitation.

The ball groove 10 has been seted up to stopper 4 one end near the 3 tank bottoms of spacing groove, and ball groove 10 internal rolling is connected with ball 11, and ball 11 keeps away from the one end of ball groove 10 tank bottoms and passes ball groove 10 notch and outside extension, and with the tank bottom rolling connection of spacing groove 3 for stopper 4 moves more swiftly.

Sealing mechanism 9 is seal groove 91 and sealed pad 92 that the section is the annular setting including, and seal groove 91 is seted up on cantilever 1's inside wall, and seal groove 91 is located the one side that drive shaft 2 was kept away from to spacing groove 3, and sealed pad 92 fixed connection is in seal groove 91, and the one end that sealed pad 92 kept away from the groove bottom of seal groove 91 passes the notch of seal groove 91 and outwards extends, and with the outer tube wall sealing sliding connection of reciprocating cylinder 8, improves the leakproofness between reciprocating cylinder 8 and cantilever 1.

The ball groove 10 is the setting of binding off, and the diameter of ball 11 is greater than the diameter of ball groove 10 notch, prevents that the condition that ball 11 breaks away from ball groove 10 from taking place.

One end fixedly connected with stopper of drive shaft 2 is kept away from to reciprocal lead screw 6, carries on spacingly to ball nut 5 and driven nut 7.

All scribble anti-rust paint on cantilever 1, ball nut 5, driven nut 7 and the reciprocal section of thick bamboo 8, prevent that the rusty condition of cantilever 1, ball nut 5, driven nut 7 and the reciprocal section of thick bamboo 8 from taking place.

In the utility model, when the boom-type roadheader is used for mining, the driving shaft 2 rotates to rotate the reciprocating screw 6, the rotating reciprocating screw 6 enables the ball nut 5 to move, the ball nut 5 can not rotate along with the rotation of the reciprocating screw 6 due to the limiting action of the limiting block 4 and the limiting groove 3, and then the ball nut 5 can only reciprocate along the reciprocating screw 6, the driven nut 7 is connected with the reciprocating screw 6 nut and is not limited, and then the driven nut 7 can rotate along with the rotation of the reciprocating screw 6, and because the driven nut 7 is in threaded connection with the ball nut 5, further can also reciprocate along the reciprocating screw 6, and further the driven nut 7, the reciprocating cylinder 8 and the star wheel 12 all rotate along the reciprocating screw 6 axis at the same time, thereby increasing the action range of the star wheel 12, the range of exploitation is enlarged, and the staff does not need to frequently drive equipment to move, so that the operation of the staff is facilitated, and the exploitation efficiency is improved.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A star wheel driving device for a shovel plate of a cantilever type heading machine comprises a cantilever (1) installed on the existing cantilever type heading machine and a driving shaft (2) installed in the cantilever (1), and is characterized in that limiting grooves (3) are symmetrically formed in the inner side wall of the cantilever (1), limiting blocks (4) are connected in the limiting grooves (3) in a sliding mode, opposite ends of the two limiting blocks (4) penetrate through notches corresponding to the limiting grooves (3) and extend outwards, ball nuts (5) are fixedly connected together, a reciprocating screw rod (6) is fixedly connected to one end, close to the ball nuts (5), of the driving shaft (2), threads of the reciprocating screw rod (6) are matched with the limiting grooves (3), one end, far away from the driving shaft (2), of the reciprocating screw rod (6) penetrates through the ball nuts (5), and the ball nuts (5) are connected with the reciprocating screw rod (6) in a rolling mode, lie in ball nut (5) are kept away from on the pole wall of the reciprocal lead screw (6) in drive shaft (2) one side driven nut (7) of threaded connection, rotate through thrust bearing between driven nut (7) and ball nut (5) and be connected, and thrust bearing is fixed to be established between driven nut (7) and ball nut (5), fixed cover has connect reciprocal section of thick bamboo (8) on the lateral wall of driven nut (7), cantilever (1) and outside extension are passed to the one end that drive shaft (2) were kept away from to reciprocal section of thick bamboo (8), and fixedly connected with star gear (12), install sealing mechanism (9) between reciprocal section of thick bamboo (8) and cantilever (1).

2. The star wheel driving device for the shovel plate of the cantilever type heading machine according to claim 1, wherein one end of the limiting block (4) close to the bottom of the limiting groove (3) is provided with a ball groove (10), a ball (11) is connected in the ball groove (10) in a rolling manner, and one end of the ball (11) far away from the bottom of the ball groove (10) penetrates through the notch of the ball groove (10) and extends outwards and is connected with the bottom of the limiting groove (3) in a rolling manner.

3. The star wheel driving device for the shovel plate of the cantilever type excavator according to claim 1, wherein the sealing mechanism (9) comprises a sealing groove (91) and a sealing gasket (92), the sections of the sealing groove (91) are annularly arranged, the sealing groove (91) is formed in the inner side wall of the cantilever (1), the sealing groove (91) is located on one side, away from the driving shaft (2), of the limiting groove (3), the sealing gasket (92) is fixedly connected in the sealing groove (91), and one end, away from the bottom of the sealing groove (91), of the sealing gasket (92) penetrates through the notch of the sealing groove (91) and extends outwards and is connected with the outer cylinder wall of the reciprocating cylinder (8) in a sealing and sliding mode.

4. A star wheel drive for the shovel of a boom-type roadheader according to claim 2, characterized in that the ball groove (10) is closed, and the diameter of the ball (11) is larger than the diameter of the opening of the ball groove (10).

5. The star wheel driving device for the shovel plate of the cantilever type excavator according to claim 1, wherein a limiting block is fixedly connected to one end of the reciprocating screw rod (6) far away from the driving shaft (2).

6. The star wheel driving device for the shovel plate of the cantilever type excavator according to claim 1, wherein the cantilever (1), the ball nut (5), the driven nut (7) and the reciprocating cylinder (8) are coated with antirust paint.