CN221256769U - Easily-replaced cutting pick of heading machine - Google Patents
Easily-replaced cutting pick of heading machine Download PDFInfo
- Publication number
- CN221256769U CN221256769U CN202323045723.7U CN202323045723U CN221256769U CN 221256769 U CN221256769 U CN 221256769U CN 202323045723 U CN202323045723 U CN 202323045723U CN 221256769 U CN221256769 U CN 221256769U
- Authority
- CN
- China
- Prior art keywords
- cutting head
- spline
- cutting
- tooth holder
- driving rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000007769 metal material Substances 0.000 abstract description 4
- 238000005498 polishing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 239000011435 rock Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000004429 Calibre Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 206010006514 bruxism Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses an easily replaceable cutting pick of a heading machine, wherein a tooth holder is detachably arranged at the end part of a driving rod, a cutting head is detachably arranged at the end part of the driving rod, one side of the cutting head is fixedly arranged with the tooth holder, a drill bit is detachably arranged at the other side of the cutting head, a first spline is arranged at the end part of the driving rod, a first spline groove sleeved with the first spline is formed in one side of the tooth holder, a second spline is formed in the other side of the tooth holder, and a second spline groove sleeved with the second spline is formed in the cutting head. The whole structure is formed by splicing and installing a plurality of parts, but the structure is stable, the hardness of each part is different, the cutting head and the drill bit at the tip are made of hard metal materials, the tooth holder has certain toughness, the front end wear resistance can be improved, the cutting tooth mouth breakage caused by the action of large moment can be prevented, the cutting head and the drill bit mainly bear the polishing function, the cutting tooth is easy to grind, and the partial replacement can be conveniently carried out.
Description
Technical Field
The utility model belongs to the technical field of coal mining devices, and particularly relates to a cutting pick of an easily replaceable heading machine.
Background
The heading machine is used for cutting mine or underground rock and is suitable for the front end of a coal mining machine, a cutting part is hinged in front of a rotary table above a traveling part of the heading machine, the cutting part is provided with a motor, a speed reducer, a telescopic arm and a cutting head which are sequentially connected, the cutting head is approximately semi-ellipsoidal, the cutting head face is semi-ellipsoidal, the motor of the cutting part of the heading machine drives the cutting head to tightly prop against the rock to rotate through the speed reducer and the telescopic arm, and a pick can cut the rock. When the cutting head rotates to cut rock, the cutting pick and the cutting pick box body are worn seriously, although the cutting head needs hard metal materials, long-term wear also can lead to the damage of grinding teeth and the loss of due cutting capability, the whole cutting teeth need to be replaced integrally during replacement, and the procedure is tedious and unstable. Therefore, the utility model mainly prepares a spliced cutting pick assembly, and each assembly can be replaced and can be replaced for a damaged part.
Disclosure of utility model
The utility model aims to provide an easily-replaced cutting pick of a heading machine, which is mainly used for preparing a spliced pick assembly, wherein all the assemblies can be replaced, and a damaged part can be replaced.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the cutting pick of the heading machine easy to replace comprises a driving rod, wherein a tooth holder is detachably arranged at the end part of the driving rod, one side of the tooth holder is fixedly arranged at the end part of the driving rod, a cutting head is detachably arranged at the other side of the tooth holder, one side of the cutting head is fixedly arranged at the tooth holder, and a drill bit is detachably arranged at the other side of the cutting head;
the driving rod, the tooth holder, the cutting head and the drill bit are coaxially arranged, a first spline is arranged at the end part of the driving rod, a first spline groove sleeved with the first spline is formed in one side of the tooth holder, a second spline is formed in the other side of the tooth holder, and the cutting head is provided with a second spline groove sleeved with the second spline.
Further, the end parts of the driving rods and the end sides of the base are respectively provided with a flange plate, screw holes for installation and fixation are formed in the flange plates, and the driving rods and the end sides of the base are fixed through bolts.
Further, a plurality of reinforcing ribs are fixed on the circumference side of the tooth holder. The side wall of the cutting head is arc-shaped and is fixedly provided with a spiral cutting pick part.
Further, the second spline end face is provided with a threaded hole, the cutting head is provided with a column hole corresponding to the threaded hole, the drill bit is provided with a screw rod matched with the threaded hole, and the screw rod penetrates through the column hole and is in threaded connection with the threaded hole for fixing the cutting head. The drill bit is in a cross knife edge shape, and one side of the drill bit corresponding to the cutting head is provided with a chassis.
The utility model has the following beneficial effects: the spline is clearance fit with spline groove, cup joints each other for the transmission effect of power improves actuating lever and toothholder, stability between toothholder and the cutting head, prevents that connecting portion from warp under great moment effect, and overall structure is formed by a plurality of parts concatenation installations, but stable in structure, and the hardness of each part is different, and sharp-pointed cutting head and drill bit are the stereoplasm metal material, and the toothholder then has certain toughness, can prevent to cut the tooth mouth that collapses because of great moment effect leads to when improving front end wearability, and cutting head and drill bit mainly bear the function of polishing, and the cutting tooth of grinding is flattened easily, and the part that carries on that can be convenient is changed.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings used for describing the embodiments will be briefly described below.
Fig. 1: the first view angle of the utility model is a schematic diagram of a disassembled structure.
Fig. 2: the second view angle of the utility model is a schematic drawing of a disassembled structure.
Fig. 3: the assembled structure of the utility model is schematically shown.
In the drawings, the list of components represented by the various numbers is as follows:
The drive rod 1, the tooth holder 2, the cutting head 3, the drill 4, the first spline 11, the first spline groove 21, the second spline 22, the second spline groove 31, the flange 12, the reinforcing rib 23, the pick portion 32, the threaded hole 24, the screw 41 and the chassis 42.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
As shown in fig. 1-3: the utility model provides an easy-to-replace cutting pick of a heading machine, includes actuating lever 1, and actuating lever 1 tip detachably installs toothholder 2, and the toothholder is round platform form, and the heavy-calibre one side is used for fixed actuating lever tip, and toothholder 2 one side is installed fixedly with actuating lever 1 tip, and the opposite side detachably installs cutting head 3, and cutting head 3 one side is installed fixedly with toothholder 2, and the opposite side detachably installs drill bit 4; the drill bit and the cutting head are made of hard metal and are used for directly contacting and polishing the front end corresponding to the rock.
The driving rod 1, the tooth holder 2, the cutting head 3 and the drill bit 4 are coaxially arranged, a first spline 11 is arranged at the end part of the driving rod 1, a first spline groove 21 sleeved with the first spline 11 is formed in one side of the tooth holder 2, a second spline 22 is formed in the other side of the tooth holder 2, and a second spline groove 31 sleeved with the second spline 22 is formed in the cutting head 3. The spline is clearance fit with spline groove, cup joints each other for the transmission effect of power improves actuating lever and toothholder, stability between toothholder and the cutting head, prevents that connecting portion from warp under great moment effect, and overall structure is formed by a plurality of parts concatenation installations, but stable in structure, and the hardness of each part is different, and sharp-pointed cutting head and drill bit are the stereoplasm metal material, and the toothholder then has certain toughness, can prevent to cut the tooth mouth that collapses because of great moment effect leads to when improving front end wearability, and cutting head and drill bit mainly bear the function of polishing, and the cutting tooth of grinding is flattened easily, and the part that carries on that can be convenient is changed.
As shown in fig. 1-2: the end of the driving rod 1 and the end side of the base 2 are both provided with a flange plate 12, and the flange plate 2 is provided with screw holes for installation and fixation and is fixed through bolts. The primary force transfer is the cooperation of the first spline and the first spline groove, and the flange is primarily used for connection. A plurality of reinforcing ribs 23 are fixed to the circumferential side of the tooth holder 2. The strengthening rib extends along the toothholder axial, evenly sets up, and quantity is six for improve intensity, be used for the cutting of rock simultaneously to smash.
As shown in fig. 1-2: the cutting head 3 has a circular arc-shaped side wall, and is fixed with a spiral pick portion 32. For sanding and tunneling applications. The end face of the second spline 22 is provided with a threaded hole 24, the cutting head 3 is provided with a column hole corresponding to the threaded hole 24, the drill bit 4 is provided with a screw 41 matched with the threaded hole, and the screw 41 penetrates through the column hole and is in threaded connection with the threaded hole 24 for fixing the cutting head 3. The post hole is used for the screw rod to pass through, and the drill bit is used for fixed cutting head simultaneously. The drill 4 is in a cross-shaped knife edge shape, and one side of the drill 4 corresponding to the cutting head 3 is provided with a chassis 42. For improving the contact surface and the stability of the fastening cutting head.
The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model.
Claims (6)
1. The utility model provides an easily change entry driving machine cutting pick which characterized in that: the automatic cutting device comprises a driving rod (1), wherein a tooth holder (2) is detachably arranged at the end part of the driving rod (1), one side of the tooth holder (2) is fixedly arranged at the end part of the driving rod (1), a cutting head (3) is detachably arranged at the other side of the tooth holder, one side of the cutting head (3) is fixedly arranged at the tooth holder (2), and a drill bit (4) is detachably arranged at the other side of the cutting head;
The novel cutting tool comprises a driving rod (1), a tooth holder (2), a cutting head (3) and a drill bit (4), wherein the driving rod (1) is coaxially arranged, a first spline (11) is arranged at the end of the driving rod (1), a first spline groove (21) sleeved with the first spline (11) is formed in one side of the tooth holder (2), a second spline (22) is formed in the other side of the tooth holder (2), and a second spline groove (31) sleeved with the second spline (22) is formed in the cutting head (3).
2. The easy-to-replace heading machine cutting pick of claim 1, wherein: the end of the driving rod (1) and the end side of the base (2) are both provided with a flange plate (12), and the flange plate (12) is provided with screw holes for installation and fixation and is fixed through bolts.
3. The easy-to-replace heading machine cutting pick of claim 1, wherein: a plurality of reinforcing ribs (23) are fixed on the circumference side of the tooth holder (2).
4. A readily replaceable heading machine cutting pick as defined in claim 3, wherein: the side wall of the cutting head (3) is arc-shaped, and a spiral pick part (32) is fixed.
5. The easy-to-replace heading machine cutting pick of claim 1, wherein: the end face of the second spline (22) is provided with a threaded hole (24), the cutting head (3) is provided with a column hole corresponding to the threaded hole (24), the drill bit (4) is provided with a screw (41) matched with the threaded hole, and the screw (41) penetrates through the column hole and is in threaded connection with the threaded hole (24) for fixing the cutting head (3).
6. The easy-to-replace heading machine cutting pick of claim 5, wherein: the drill bit (4) is in a cross knife edge shape, and one side of the drill bit (4) corresponding to the cutting head (3) is provided with a chassis (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323045723.7U CN221256769U (en) | 2023-11-08 | 2023-11-08 | Easily-replaced cutting pick of heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323045723.7U CN221256769U (en) | 2023-11-08 | 2023-11-08 | Easily-replaced cutting pick of heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221256769U true CN221256769U (en) | 2024-07-02 |
Family
ID=91630807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323045723.7U Active CN221256769U (en) | 2023-11-08 | 2023-11-08 | Easily-replaced cutting pick of heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221256769U (en) |
-
2023
- 2023-11-08 CN CN202323045723.7U patent/CN221256769U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111347440B (en) | A kind of roadheader pick automatic replacement manipulator and using method | |
| CN111266834B (en) | Automatic cutter replacing manipulator of coal mine underground coal mining machine and using method | |
| CN120273630A (en) | Colliery rig convenient to change drill bit | |
| CN112376645A (en) | Excavator broken wall device | |
| CN101289937A (en) | Cutting head structure of tunneling machine | |
| CN110258696B (en) | Building wall ditch digs device | |
| CN220815570U (en) | Directional drilling machine convenient to change drill bit | |
| CN108708424B (en) | Quick-change bucket tooth of excavator | |
| CN213450228U (en) | Perforating device applied to tunnel construction | |
| CN221032622U (en) | Cutting head for heading machine | |
| CN211573380U (en) | Drilling equipment for coal mine tunneling operation | |
| CN212743878U (en) | Blasting drilling equipment is used in high gas district tunnel construction | |
| CN224017175U (en) | Novel diamond compact anchor rod drill bit | |
| CN217681750U (en) | But cutting pick section of thick bamboo of automatically regulated pick height bores | |
| CN210632973U (en) | Drilling device for taper head mounting plate | |
| CN115126495A (en) | Advanced drilling machine | |
| CN211162092U (en) | Spliced drill bit convenient to disassemble and assemble | |
| CN222244579U (en) | Bearing disassembly and assembly tool | |
| CN223573377U (en) | Multi-blade saw hydraulic shaft sleeve mounting structure | |
| CN215567063U (en) | Combined type guide seat for crawler driving motor | |
| CN216690968U (en) | Horizontal water source drilling machine with automatic rod replacement function | |
| CN220535296U (en) | High sculpture tool bit of stability | |
| CN208853761U (en) | A kind of Multi-stage transmission multi-knife-head drill unit | |
| CN213332235U (en) | Wear-resistant gear assembly for electric drill | |
| CN207900373U (en) | A kind of saw blade axle construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |