CN215485996U

CN215485996U - Heading machine gun head mechanism

Info

Publication number: CN215485996U
Application number: CN202120783482.8U
Authority: CN
Inventors: 张峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2022-01-11
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a heading machine cannon head mechanism which comprises a hack lever and a rotating lever, wherein sleeves are sleeved at two ends of the rotating lever, a baffle ring is arranged at one end of each sleeve, a working ring and a limiting ring are sleeved on each sleeve, a plurality of clamping pieces are arranged on each working ring, cutting heads are arranged on the clamping pieces, clamping grooves are formed in the sleeves, clamping platforms are arranged in the working rings, the clamping platforms are matched with the clamping grooves, second through holes are formed in the limiting rings, third through holes are formed in the sleeves, fourth through holes are formed in the rotating lever, and first bolts are arranged through the second through holes, the third through holes and the fourth through holes. Alternate cover is equipped with a plurality of working rings and spacing ring on the sleeve, and the working ring supports fastener and cutterhead, and the spacing ring is injectd the position of working ring, and easy dismounting is swift, is convenient for carry out the change of working ring, and labour saving and time saving's completion is gone up fastener and cutterhead's maintenance to the working ring, has improved the life and the work efficiency of big gun head, has reduced manufacturing cost.

Description

Heading machine gun head mechanism

Technical Field

The utility model belongs to the technical field of coal mining, and particularly relates to a heading machine cannon head mechanism.

Background

A heading machine is a machine for cutting roadways on a flat ground. In the course of the work of the big gun head, the fracture and the damage of fastener and cutterhead on the emergence big gun head that can't avoid, because fastener and big gun head fixed connection are difficult for carrying on the maintenance of fastener to accelerate the loss of big gun head, reduced work efficiency, improved manufacturing cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a heading machine gun head mechanism.

The utility model is realized by the following steps: a heading machine cannon head mechanism comprises a hack lever, the cannon head mechanism is connected with a heading machine, a transmission rod is arranged in the hack lever, a driving gear is fixedly arranged at one end of the transmission rod, the transmission rod drives the driving gear to rotate under the action of a heading machine power mechanism, a first through hole is formed in one end, close to the driving gear, of the hack lever, bearings are fixedly arranged on two sides, located in the first through hole, of the hack lever, a rotating rod is fixedly arranged through the center of each bearing and stably and reliably rotates along the bearing, a driven gear is fixedly arranged on the rotating rod located between the two bearings, the driving gear is meshed with the driven gear and reliably connected, the driving gear rotates, the rotating rod is driven to rotate through the driven gear, sleeves are sleeved at two ends of the rotating rod located outside the hack lever, and are used for bearing a working ring and a limiting ring, the outer part of one end of the sleeve close to the hack lever is fixedly provided with a baffle ring for blocking the position of the working ring and ensuring the stability and reliability of the position of the working ring on the sleeve, the sleeve is sleeved with a plurality of working rings and limiting rings which are convenient and quick to disassemble and assemble and convenient to replace the working rings, time and labor are saved, the maintenance of the clamping pieces and the cutting head on the working rings is completed, the service life and the working efficiency of the gun head are improved, the production cost is reduced, the working rings and the limiting rings are alternately arranged, the clamping pieces and the cutting head are supported by the working rings, the position of the working rings is limited by the limiting rings, the plurality of clamping pieces are uniformly and fixedly arranged on the working rings, the cutting head is limited and fixed, a threaded hole is formed in the center of the cross section of the clamping pieces, the cutting head is arranged on one side of the clamping pieces and used for crushing a plane, and a screw rod is fixedly arranged in the middle position of one end of the cutting head, the screw penetrates through the threaded hole to fixedly connect the cutting head with the clamping piece, a first nut is sleeved on the screw to fasten the position of the screw, the cutting head is prevented from being separated from the clamping piece due to looseness of the screw, a plurality of clamping grooves are uniformly formed in the sleeve, a plurality of clamping platforms are uniformly and fixedly arranged in the working ring, the clamping platforms are matched with the clamping grooves in position, the clamping platforms are limited by the clamping grooves to ensure synchronous rotation of the working ring and the sleeve, so that stable coal mining operation of the cutting head is ensured, second through holes are symmetrically formed in the limiting ring, a plurality of third through holes are uniformly and symmetrically formed in the sleeve, a plurality of fourth through holes are uniformly formed in the rotating rod, the positions of the second through holes, the third through holes and the fourth through holes correspond to each other, and first bolts are arranged through the second through holes, the third through holes and the fourth through holes, the limiting ring, the sleeve and the rotating rod are fixedly connected together through the first bolt, reliable and tight limiting of the position of the working ring by the limiting ring is guaranteed, synchronous rotation of the limiting ring, the sleeve and the rotating rod is guaranteed, the second nut is sleeved on the first bolt, the position of the first bolt is fastened, and looseness is avoided.

Preferably, slotted holes are formed in the two ends of the rotating rod, a first groove is formed in the middle position, away from one end of the baffle ring, of the sleeve, a fifth through hole is formed in the bottom of the first groove and communicated with the two sides of the sleeve, a second bolt is arranged outside the sleeve, one end of the second bolt penetrates through the fifth through hole and is in threaded connection with the slotted holes, the reliability of connection between the sleeve and the rotating rod is further improved, and the nut of the second bolt is located in the first groove, so that abrasion of the second bolt is reduced.

Preferably, a second groove is formed in the clamping piece and communicated with the threaded hole, a clamping ring is fixedly arranged at the joint of the cutting head and the screw rod, the clamping ring is arranged in the second groove and limits the position of the cutting head, and the outer diameter of the clamping ring is larger than the inner diameter of the threaded hole, so that reliable connection between the cutting head and the clamping piece is guaranteed.

Preferably, the inner diameter of the working ring and the inner diameter of the limiting ring are the same as the outer diameter of the sleeve, so that reliable connection between the working ring and the limiting ring and the sleeve is guaranteed.

Preferably, one end of the cutting head, which is far away from the screw rod, is provided with a conical head, so that the planar crushing effect of the cutting head is further improved.

Preferably, the length of the clamping groove is the same as that of the sleeve, so that the clamping table on the working ring can move along the clamping groove until the clamping table abuts against the stop ring.

Preferably, the central line of the first through hole, the central line of the bearing, the central line of the rotating rod, the central line of the sleeve, the central line of the working ring and the central line of the limiting ring are on the same straight line, so that the rotating rod can stably drive the working ring on the sleeve to reliably dig coal.

The utility model has the beneficial effects that: the gun head is reasonable in structural design, the plurality of working rings and the limiting rings are alternately sleeved on the sleeve, the clamping pieces and the cutting head are supported by the working rings, the positions of the working rings are limited by the limiting rings, the gun head is convenient and quick to assemble and disassemble, the working rings are convenient to replace, the clamping pieces and the cutting head on the working rings are overhauled and maintained in a time-saving and labor-saving mode, the service life and the working efficiency of the gun head are prolonged, and the production cost is reduced.

Drawings

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

FIG. 2 is a schematic view of a connecting structure of a clamping piece on the working ring and the cutting head;

FIG. 3 is a schematic view of a connection structure of the working ring and the sleeve;

FIG. 4 is a schematic structural view of a stop collar;

in the figure: 1. a frame bar; 2. a transmission rod; 3. a driving gear; 4. a first through hole; 5. a bearing; 6. a rotating rod; 7. a driven gear; 8. a sleeve; 9. a baffle ring; 10. a working ring; 11. a limiting ring; 12. a fastener; 13. a threaded hole; 14. a cutting head; 15. a screw; 16. a first nut; 17. a card slot; 18. clamping a platform; 19. a second through hole; 20. a third through hole; 21. a fourth via hole; 22. a first bolt; 23. a second nut; 24. a slot; 25. a first groove; 26. a fifth through hole; 27. a second bolt; 28. a second groove; 29. a snap ring; 30. a conical head.

Detailed Description

In order to clearly understand the technical scheme of the utility model, the utility model is further explained with reference to the attached drawings.

As shown in fig. 1-4, a heading machine nose mechanism of a heading machine comprises a frame rod 1 for connecting the nose mechanism with the heading machine, a transmission rod 2 is arranged in the frame rod 1, a driving gear 3 is fixedly arranged at one end of the transmission rod 2, the transmission rod 2 drives the driving gear 3 to rotate under the action of a heading machine power mechanism, a first through hole 4 is arranged at one end of the frame rod 1 close to the driving gear 3, bearings 5 are fixedly arranged at two sides of the first through hole 4 in the frame rod 1, a rotating rod 6 is fixedly arranged through the center of the bearings 5, the rotating rod 6 rotates stably and reliably along the bearings 5, a driven gear 7 is fixedly arranged on the rotating rod 6 between the two bearings 5, the driving gear 3 is meshed with the driven gear 7 and is reliably connected, the driving gear 3 rotates, so that the rotating rod 6 is driven to rotate by the driven gear 7, the two ends of the rotating rod 6 positioned outside the rack rod 1 are sleeved with sleeves 8 for bearing working rings 10 and limiting rings 11, one end of each sleeve 8, which is close to the rack rod 1, is fixedly provided with a baffle ring 9 for blocking the position of the working ring 10, so that the stability and the reliability of the position of the working ring 10 on each sleeve 8 are ensured, the sleeves 8 are sleeved with the two working rings 10 and the two limiting rings 11, the disassembly and the assembly are convenient and rapid, the working rings 10 are convenient to replace, the overhauling and the maintenance of the clamping pieces 12 and the cutting heads 14 on the working rings 10 are completed in a time-saving and labor-saving manner, the service life and the working efficiency of the gun head are improved, the production cost is reduced, the working rings 10 and the limiting rings 11 are alternately arranged, the working rings 10 support the clamping pieces 12 and the cutting heads 14, the positions of the working rings 10 are limited by the limiting rings 11, the inner diameter of the working rings 10 and the inner diameter of the limiting rings 11 are the same as the outer diameter of the sleeves 8, the reliable connection of the working ring 10 and the limiting ring 11 with the sleeve 8 is ensured, the working ring 10 is obliquely and fixedly provided with a plurality of clamping pieces 12 uniformly to limit and fix the cutting head 14, a threaded hole 13 is formed through the center of the cross section of the clamping piece 12, one side of each clamping piece 12 is provided with the cutting head 14 to crush a plane, a screw 15 is fixedly arranged at the middle position of one end of the cutting head 14, the screw 15 penetrates through the threaded hole 13 to fixedly connect the cutting head 14 and the clamping piece 12 together, a first nut 16 is sleeved on the screw 15 to fasten the position of the screw 15, so that the cutting head 14 is prevented from being loosened to be separated from the clamping piece 12, a cone head 30 is arranged at one end of the cutting head 14, which is far away from the screw 15, the crushing effect of the cutting head 14 on the plane is further improved, and a second groove 28 is formed in the clamping piece 12, the second groove 28 is communicated with the threaded hole 13, a snap ring 29 is fixedly arranged at the joint of the cutting head 14 and the screw 15, the snap ring 29 is arranged in the second groove 28 to limit the position of the cutting head 14, the outer diameter of the snap ring 29 is larger than the inner diameter of the threaded hole 13 to ensure the reliable connection of the cutting head 14 and the clamping piece 12, six clamping grooves 17 are uniformly arranged on the sleeve 8, six clamping platforms 18 are uniformly and fixedly arranged in the working ring 10, the clamping platforms 18 are matched with the clamping grooves 17 to limit the position of the clamping platforms 18 through the clamping grooves 17 to ensure the synchronous rotation of the working ring 10 and the sleeve 8, so as to ensure the stable coal mining operation of the cutting head 14, the length of the clamping grooves 17 is the same as that of the sleeve 8, ensure that the clamping platforms 18 on the working ring 10 move along the clamping grooves 17 until abutting against the stop ring 9, and the second through holes 19 are symmetrically arranged on the limit ring 11, four third through holes 20 are uniformly and symmetrically formed in the sleeve 8, two fourth through holes 21 are uniformly formed in the rotating rod 6, the positions of the second through hole 19, the third through hole 20 and the fourth through hole 21 correspond to each other, first bolts 22 are arranged through the second through hole 19, the third through hole 20 and the fourth through hole 21, the limit ring 11, the sleeve 8 and the rotating rod 6 are fixedly connected together through the first bolts 22, reliable and tight limitation of the position of the working ring 10 by the limit ring 11 is guaranteed, synchronous rotation of the limit ring 11, the sleeve 8 and the rotating rod 6 is guaranteed, a second nut 23 is sleeved on the first bolt 22 to fasten the position of the first bolt 22 and avoid loosening, the slotted holes at two ends of the rotating rod 6 are formed with 24, a first groove 25 is formed in the middle position of one end, away from the baffle ring 9, of the sleeve 8, a fifth through hole 26 is formed in the bottom of the first groove 25, the fifth through hole 26 is communicated with two sides of the sleeve 8, a second bolt 27 is arranged outside the sleeve 8, one end of the second bolt 27 penetrates through the fifth through hole 26 and is in threaded connection with the slotted hole 24, the connection reliability of the sleeve 8 and the rotating rod 6 is further improved, a nut of the second bolt 27 is located in the first groove 25, and abrasion of the second bolt 27 is reduced (in the figure 1, the two sleeves 8 are symmetrically arranged on two sides of the transmission rod 2, and for the sake of clear identification, the working ring 10 and the limiting ring 11 and fixing parts on the working ring 10 and the limiting ring 11 are not drawn on the sleeve 8 on the right side).

The central line of the first through hole 4, the central line of the bearing 5, the central line of the rotating rod 6, the central line of the sleeve 8, the central line of the working ring 10 and the central line of the limiting ring 11 are on the same straight line, so that the rotating rod 6 stably drives the working ring 10 on the sleeve 8 to reliably dig coal.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. A heading machine cannon head mechanism is characterized by comprising a hack lever, wherein a transmission rod is arranged in the hack lever, a driving gear is fixedly arranged at one end of the transmission rod, a first through hole is formed in one end, close to the driving gear, of the hack lever, bearings are fixedly arranged on two sides, located in the first through hole, of the hack lever, a rotating rod is fixedly arranged at the center of the rotating rod, penetrates through the bearings, a driven gear is fixedly arranged on the rotating rod between the two bearings, the driving gear is meshed with the driven gear, sleeves are sleeved at two ends of the rotating rod, located outside the hack lever, of the sleeve is fixedly arranged at one end, close to the hack lever, of the sleeve, a baffle ring is fixedly arranged on the outer portion of the sleeve, a plurality of working rings and limiting rings are sleeved on the sleeve, a plurality of clamping pieces are uniformly and fixedly arranged on the working rings, a threaded hole is formed in the center of the cross section of the clamping pieces, and a cutting head is arranged on one side of the clamping piece, the middle position of cutterhead one end is fixed and is provided with a screw rod, the screw rod passes through a threaded hole, a first nut is sleeved on the screw rod, a plurality of clamping grooves are evenly formed in the sleeve, a plurality of clamping tables are evenly and fixedly arranged in the working ring, the clamping tables are matched with the clamping grooves in position, second through holes are symmetrically formed in the limiting ring, a plurality of third through holes are evenly symmetrically formed in the sleeve, a plurality of fourth through holes are evenly formed in the rotating rod, the positions of the second through holes, the positions of the third through holes and the positions of the fourth through holes are corresponding to each other, the second through holes, the third through holes and the fourth through holes are provided with first bolts, and second nuts are sleeved on the first bolts.

2. The heading machine nose mechanism according to claim 1, wherein the two ends of the rotating rod are provided with slotted holes, the middle of one end of the sleeve, which is away from the retaining ring, is provided with a first groove, the bottom of the first groove is provided with a fifth through hole, the fifth through hole is communicated with two sides of the sleeve, a second bolt is arranged outside the sleeve, and one end of the second bolt penetrates through the fifth through hole and is in threaded connection with the slotted holes.

3. The mechanism of claim 1, wherein the fastener is provided with a second groove, the second groove is communicated with the threaded hole, a joint of the cutter head and the screw is fixedly provided with a snap ring, the snap ring is arranged in the second groove, and the outer diameter of the snap ring is larger than the inner diameter of the threaded hole.

4. The heading machine bit mechanism of claim 1, wherein the inner diameter of the working ring and the inner diameter of the retaining ring are the same as the outer diameter of the sleeve.

5. A heading machine nose mechanism as claimed in claim 1 wherein the end of the cutter head remote from the screw is provided with a cone.

6. A heading machine nose mechanism as claimed in claim 1 wherein the slot is the same length as the sleeve.

7. The heading machine nose mechanism of claim 1, wherein the centerline of the first through hole, the centerline of the bearing, the centerline of the rotating rod, the centerline of the sleeve, the centerline of the working ring and the centerline of the stop ring are collinear.