CN210948658U - Cutting structure of heading machine - Google Patents
Cutting structure of heading machine Download PDFInfo
- Publication number
- CN210948658U CN210948658U CN201921895151.2U CN201921895151U CN210948658U CN 210948658 U CN210948658 U CN 210948658U CN 201921895151 U CN201921895151 U CN 201921895151U CN 210948658 U CN210948658 U CN 210948658U
- Authority
- CN
- China
- Prior art keywords
- frame
- telescopic
- cutting
- fixed
- motor
- 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
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a heading machine cutting structure, it includes the cutterhead, the cutting arm, motor and frame, the cutterhead is installed to cutting arm one end, the other end and frame hookup, the motor is installed in the frame and with the cutterhead hookup, the frame includes expansion bracket and mount, the expansion bracket cover is located outside the mount, make the expansion bracket can be along mount relative movement, the motor all is fixed in on the expansion bracket with the cutting arm, make the cutting arm remove along the expansion bracket with the cutterhead, still be equipped with telescopic cylinder in the frame, guide bar and sliding seat, telescopic cylinder both ends respectively with expansion bracket and mount hookup, realize that telescopic cylinder promotes the expansion bracket and remove for the mount, the guide bar is fixed in on the mount, the sliding seat is fixed in on expansion bracket and the cover locates the guide bar, make the expansion bracket can be along guide bar relative movement along with the sliding seat. The utility model discloses its motor is flexible along with the expansion bracket and is removed for cutting mechanism overall structure is reliable, reduces cutting mechanism fault rate.
Description
Technical Field
The utility model relates to a coal mine tunnel tunnelling technical field specifically is a heading machine cutting structure.
Background
The development machine is a large-scale mechanical device for tunnel development of coal mines and non-coal mines. Its cutting mechanism is the main working element of entry driving machine, traditional cutting unit is by the cutting speed reducer, cut motor and cutting arm are constituteed, its motor is as input power, reach the speed reducer, give the cutterhead with power transmission through the cutting arm, the rotation and the track through the cutterhead impel, realize the motion of creeping into, the rotation and the lift and the horizontal backswing of revolving platform through the cutterhead realize the cutting, thereby reach the purpose of broken coal petrography, wherein the cutting arm has flexible and not flexible two kinds of type, its telescopic adoption carriage slides the mode in the mount, in actual work process, there is the uneven condition of vibration and atress, therefore the fault rate is high.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the utility model provides a telescopic entry driving machine cutting structure, its motor makes telescopic movement along with the expansion bracket for cutting mechanism overall structure is reliable, reduces cutting mechanism fault rate.
The utility model adopts the technical proposal that: it comprises a cutting head, a cutting arm, a motor and a frame, wherein one end of the cutting arm is provided with the cutting head, the other end is connected with the frame, the motor is arranged on the frame and connected with the cutting head, the frame comprises a telescopic frame and a fixed frame, the telescopic frame is sleeved outside the fixed frame, so that the telescopic frame can move relatively along the fixed frame, the motor and the cutting arm are both fixed on the telescopic frame, so that the cutting arm and the cutting head move along with the telescopic frame, the machine frame is also provided with a telescopic oil cylinder, a guide rod and a sliding seat, two ends of the telescopic oil cylinder are respectively connected with the telescopic frame and the fixed frame, so that the telescopic oil cylinder pushes the telescopic frame to move relative to the fixed frame, the guide rod is fixed on the fixed frame, the sliding seat is fixed on the telescopic frame and sleeved on the guide rod, the telescopic frame can move along the guide rod along with the sliding seat, so that the motor can move telescopically along with the cutting head and the cutting arm.
Preferably, the number of the telescopic oil cylinders is two, the two telescopic oil cylinders are respectively positioned above two sides of the rack, the telescopic frame can be pushed to stretch, and the width of the main body of the heading machine is reduced so as to adapt to narrow space in a roadway; the number of the guide rods is two, and the two guide rods are respectively positioned below the telescopic oil cylinder and are parallel to the telescopic oil cylinder so as to enable the balance telescopic frame to do front and back telescopic movement; the sliding seats are four in number, and two sliding seats are sleeved on each guide rod.
Preferably, the telescopic oil cylinder is hinged to the telescopic frame and the fixing frame in a pin and pin matching mode, and the structure is simple and stable and is suitable for the working environment of the excavator.
Preferably, the telescopic frame is provided with a speed reducer near the cutting end, one end of the speed reducer is connected with the motor, and the other end of the speed reducer is connected with the spline shaft in a matching mode through a spline sleeve, so that the telescopic frame is simple in structure and easy to assemble and disassemble.
Preferably, the sliding seat main body is of a ring sleeve structure, end covers are arranged at two ends of the ring sleeve, a copper sleeve is arranged between the ring sleeve and a contact surface of the guide rod, and the copper sleeve is used for lubricating the ring sleeve and the guide rod.
The cutting arm adopts a telescopic structure in the prior art, the cutting head moves along with the extension of the cutting arm, and the motor is fixed, the utility model discloses a cutting structure of the heading machine, the telescopic frame is sleeved outside the fixed frame to form a telescopic frame, the motor and the cutting arm are both fixed on the telescopic frame and move along with the telescopic frame, the telescopic frame is fixedly provided with a sliding seat, the fixed frame is fixedly provided with a guide rod, the sliding seat is movably sleeved on the guide rod and the telescopic oil cylinder is used as a driving force to realize the movement of the telescopic frame relative to the fixed frame, so that the cutting mechanism of the heading machine is taken as an outer telescopic structure, different from the prior art, the cutting head realizes the telescopic movement through the telescopic cutting arm, the cutting arm has the uneven stress condition due to the self gravity of the cutting head in the telescopic process, thereby the cutting head has the vibration phenomenon in the rotary telescopic process, affecting the normal working efficiency of the development machine.
Drawings
Fig. 1 is a transverse sectional view (not shown) of the present invention.
Fig. 2 is an enlarged view of a in fig. 1.
Fig. 3 is a frame structure diagram of the present invention.
The cutting machine comprises a cutting head 1, a cutting arm 2, a cutting arm 3, a motor 4, a rack 41, a telescopic frame 42, a fixed frame 5, a telescopic oil cylinder 6, a guide rod 7, a sliding seat 8, a speed reducer 9, a ring sleeve 10, an end cover 11 and a copper sleeve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
In the telescopic cutting structure in the prior art, the cutting arm 2 adopts a telescopic mode to realize the telescopic action of the cutting head 1, wherein components such as a motor 3, a speed reducer 8 and the like are positioned in a main body of the development machine and are kept immovable.
The utility model provides a retractable cutting structure of a heading machine, as shown in figure 1, the retractable part of the cutting structure is a frame 4 for arranging a motor 3, the cutting structure comprises a cutting head 1, a cutting arm 2, a motor 3 and a frame 4, one end of the cutting arm 2 is provided with the cutting head 1, the other end is connected with the frame 4, the motor 3 is arranged on the frame 3 and is connected with the cutting head 1,
as shown in fig. 3, the frame 4 includes a telescopic frame 41 and a fixed frame 42, the telescopic frame 41 is sleeved outside the fixed frame 42, so that the telescopic frame 41 can move relatively along the fixed frame 42, in this embodiment, the telescopic frame 41 or/and the fixed frame 42 is a hollow rectangular pipe frame, the motor 3 and the cutting arm 2 are both fixed on the telescopic frame 41, so that the cutting arm 2 and the cutting head 1 move along with the telescopic frame 41, the machine frame 4 is further provided with a telescopic oil cylinder 5, a guide rod 6 and a sliding seat 7, two ends of the telescopic oil cylinder 5 are respectively connected with the telescopic frame 41 and the fixed frame 42, the telescopic oil cylinder 5 pushes the telescopic frame 41 to move relative to the fixed frame 42, the guide rod 6 is fixed on the fixed frame 42, in the embodiment, the sliding seat 7 is mainly in a ring sleeve 9 structure, the ring sleeve 9 is fixed on the surface of the telescopic frame 41 through a fastening piece, is sleeved on the guide rod and can slide along the guide rod 6, therefore, the telescopic frame 41 can move along the guide rod 6 along with the sliding seat 7 under the pushing of the telescopic oil cylinder 5.
As shown in figure 2, a copper sleeve 11 layer is arranged between the main body of the ring sleeve 9 of the sliding seat 7 and the contact surface of the guide rod 6, an oil seal is also arranged between the copper sleeve 11 and the sliding seat 7 for lubricating the sliding of the sliding seat 7, and because the end covers 10 at the two ends of the sliding seat 7 are detachably fixed on the main body of the ring sleeve 9 of the sliding seat 7 through fasteners such as bolts, the oil seal and the copper sleeve 11 are very convenient to assemble and disassemble.
In this embodiment, the number of the telescopic oil cylinders 5 is two, and the two telescopic oil cylinders are respectively positioned above two sides of the frame 4, and the telescopic oil cylinders 5 are hinged on the telescopic frame 41 and the fixed frame 42 in a pin-pin matching manner;
the number of the guide rods 6 is two, and the guide rods are respectively positioned below the telescopic oil cylinder 5 and are parallel to the telescopic oil cylinder; the quantity of sliding seat 7 is four, all overlaps on every guide bar 6 and is equipped with two sliding seat 7, is separated by certain distance between two sliding seat 7 on every guide bar 6 for sliding seat 7 does not block when moving on guide bar 6.
In addition, the end of the telescopic frame 41 close to the cutting head 1 is provided with a speed reducer 8, one end of the speed reducer 8 is connected with the motor 3, the other end of the speed reducer is connected with the spline shaft in a matching mode through a spline sleeve, and the spline sleeve and the spline shaft can transmit large torque, so that the cutting machine is very suitable for cutting coal rocks.
It should be pointed out here that the utility model discloses well speed reducer 8, motor 3 and telescopic cylinder 5 adopt ordinary model, do not give unnecessary details here.
While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.
Claims (5)
1. A cutting structure of a heading machine comprises a cutting head, a cutting arm, a motor and a frame, wherein one end of the cutting arm is provided with the cutting head, the other end of the cutting arm is connected with the frame, the motor is arranged on the frame and is connected with the cutting head, it is characterized in that the frame comprises a telescopic frame and a fixed frame, the telescopic frame is sleeved outside the fixed frame, so that the telescopic frame can move relatively along the fixed frame, the motor and the cutting arm are both fixed on the telescopic frame, so that the cutting arm and the cutting head move along with the telescopic frame, the machine frame is also provided with a telescopic oil cylinder, a guide rod and a sliding seat, two ends of the telescopic oil cylinder are respectively connected with the telescopic frame and the fixed frame, so that the telescopic oil cylinder pushes the telescopic frame to move relative to the fixed frame, the guide rod is fixed on the fixed frame, and the sliding seat is fixed on the telescopic frame and sleeved on the guide rod, so that the telescopic frame can move along the guide rod along with the sliding seat.
2. A cutting structure of a heading machine according to claim 1, characterized in that: the number of the telescopic oil cylinders is two, and the two telescopic oil cylinders are respectively positioned above two sides of the rack; the number of the guide rods is two, and the two guide rods are respectively positioned below the telescopic oil cylinder and are parallel to the telescopic oil cylinder; the sliding seats are four in number, and two sliding seats are sleeved on each guide rod.
3. A cutting structure of a heading machine according to claim 2, wherein: the telescopic oil cylinder is hinged on the telescopic frame and the fixed frame in a pin and pin shaft matching mode.
4. A cutting structure of a heading machine according to claim 1, characterized in that: the telescopic frame is provided with a speed reducer near the cutting end, one end of the speed reducer is connected with the motor, and the other end of the speed reducer is connected with the spline shaft in a matching mode through a spline sleeve.
5. A cutting structure of a heading machine according to claim 1 or 2, characterized in that: the sliding seat main body is of a ring sleeve structure, end covers are arranged at two ends of the ring sleeve, and a copper sleeve is arranged between the ring sleeve and a contact surface of the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921895151.2U CN210948658U (en) | 2019-11-05 | 2019-11-05 | Cutting structure of heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921895151.2U CN210948658U (en) | 2019-11-05 | 2019-11-05 | Cutting structure of heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210948658U true CN210948658U (en) | 2020-07-07 |
Family
ID=71380170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921895151.2U Active CN210948658U (en) | 2019-11-05 | 2019-11-05 | Cutting structure of heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210948658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901162A (en) * | 2021-01-15 | 2021-06-04 | 临沂矿业集团菏泽煤电有限公司 | Chassis system for mine mining equipment and control method thereof |
-
2019
- 2019-11-05 CN CN201921895151.2U patent/CN210948658U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901162A (en) * | 2021-01-15 | 2021-06-04 | 临沂矿业集团菏泽煤电有限公司 | Chassis system for mine mining equipment and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109667580B (en) | Multi-cutting-arm tunneling mechanism and tunneling machine | |
| CN201424939Y (en) | Improved coal road boring machine | |
| CN202810845U (en) | Comprehensive mechanization rock gangway dig-anchor machine | |
| CN210948658U (en) | Cutting structure of heading machine | |
| CN104018833A (en) | Heading machine with double cantilever-type vertical axis cutting sections | |
| CN207728309U (en) | Scraper changes rock drilling machine equipment | |
| CN103195420A (en) | Method for buffering reciprocating impact tunneling counter-acting force and buffering heading machine adopting the method | |
| CN201874569U (en) | Roadheader-mounted geophysical prospecting drilling machine | |
| CN114233318A (en) | Multifunctional heading machine with cutting part capable of extending integrally | |
| CN101598002A (en) | A kind of gantry type rig | |
| CN104389597B (en) | Cutting mechanism | |
| CN201412066Y (en) | Door frame type drilling machine | |
| CN202227975U (en) | Bearing sealing method for expansion frame of hydraulic drill machine | |
| CN215485999U (en) | Pry hair work arm | |
| CN101220744A (en) | Development machine with narrow main body | |
| CN210564410U (en) | Light hydraulic propulsion device | |
| CN202767981U (en) | Rotary drum and cutting head combined short-arm large-cutting-height coal cuter | |
| CN102865074A (en) | Roller and cutting head compound short-arm large-mining-height coal mining machine | |
| CN211314105U (en) | All-round rack sideshift coal mine is with cutting top drill carriage | |
| CN203835388U (en) | Cantilever type longitudinal axis double-cutting part roadheader | |
| CN114810113A (en) | Integral telescopic structure and telescopic method of cutting mechanism of heading machine | |
| CN108688419B (en) | Equipment train turning device and method thereof | |
| CN201991558U (en) | Scraper conveyor | |
| CN112664145A (en) | Movable telescopic platform | |
| CN114458326A (en) | Integrated unit for loading, exploring and drilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |