CN209145592U - A kind of novel cutting units development machine - Google Patents
A kind of novel cutting units development machine Download PDFInfo
- Publication number
- CN209145592U CN209145592U CN201822102065.3U CN201822102065U CN209145592U CN 209145592 U CN209145592 U CN 209145592U CN 201822102065 U CN201822102065 U CN 201822102065U CN 209145592 U CN209145592 U CN 209145592U
- Authority
- CN
- China
- Prior art keywords
- bearing
- cutting
- speed reducer
- cutting arm
- development machine
- 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
Landscapes
- Drilling And Boring (AREA)
Abstract
The utility model discloses a kind of novel cutting units development machines, belong to Boring Machine Technique field.The motor frame body rear portion is provided with cutting motor, and motor frame body front is provided with speed reducer, and the output end of motor frame body is connect with speed reducer, and the speed reducer front is provided with cutting arm, and cutting arm front end is provided with cutting head assembly；The outer cylinder of the cutting units development machine is rotating member, and cutting arm is individual cavity, and cutting head assembly directly connect rotation with outer cylinder.This structure convenient disassembly, it is simple and reliable for structure, reduce processing cost；The driving member bending of cutting arm separates, and keeps transmission intensity reliable；Floating seal avoids seal leakage caused by strong impact, vibration in development machine work, improves the reliability of work far from cutting head assembly；Bearing configuration is more scientific and reasonable, increases bearing service life；The service life for dividing chamber lubrication to increase bearing and sealing, to extend the service life of development machine.
Description
Technical field
The utility model relates to a kind of novel cutting units development machines, belong to Boring Machine Technique field.
Background technique
With the rapid development of the national economy, Urbanization in China is constantly accelerated, it is domestic in quite long period from now on
The engineerings such as urban subway tunnel, Hydraulic Tunnel, cross-river tunnel, railway tunnel, vcehicular tunnel, municipal pipeline will need it is a large amount of
Constructing tunnel and working development machine.
In the prior art, there are the following problems for cutting part of heading machine:
(1) the cutting head assembly of cutting part of heading machine is connect by splined shaft with cutting arm, complicated in development machine work
Cutting resistance makes the combining ability of spline bearing bending moment and torque, and since structure is complicated for cutting units, requirement on machining accuracy
Height increases the failure rate of cutting units；
(2) the cutting arm inner bearing of cutting part of heading machine bears axial force and bears radial force again, interior in a limited space,
Bearing it is size-constrained, so reducing the service life of bearing；
(3) float grease seal in the cutting arm of cutting part of heading machine is arranged in cutterhead component internal, when development machine works,
By the strong impact of rock, vibration is generated, the vibration of such seal receptacle will affect the quality of sealing, generate leakage, damage, drop
The low service life of cutting units.
Summary of the invention
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of novel cutting units development machines.
The cutting units development machine of the utility model, it includes cutting motor, motor frame body, speed reducer, cutting arm and cutting
Head assembly, the motor frame body rear portion are provided with cutting motor, and motor frame body front is provided with speed reducer, and motor frame body
Output end is connect with speed reducer, and the speed reducer front is provided with cutting arm, and cutting arm front end is provided with cutting head assembly；
The cutting arm is close comprising first bearing, splined shaft, outer cylinder, second bearing, 3rd bearing, bearing block, floating
Envelope and oil sealing, the cutting arm is internally provided with splined shaft, and cutting head assembly is connect by splined shaft with speed reducer, described
Splined shaft outside be provided with bearing block, and be provided between bearing block and outer cylinder first bearing, second bearing, 3rd bearing and
Floating seal is provided with oil sealing between the cutting arm and speed reducer.
Preferably, the outer cylinder of the cutting arm is rotating member, cutting arm is individual cavity, cutting head assembly directly with
Outer cylinder connection rotation.
Preferably, the cutting arm is by first bearing, second bearing, 3rd bearing directly by the diameter in work
It is connect in power and axial force load unloading frame body, then through splined shaft with speed reducer.
Preferably, the first bearing is self-aligning roller bearing, second bearing is thrust roller axis, and 3rd bearing is
Cylinder roller bearing.
Preferably, outer cylinder, bearing block that the floating seal of the cutting arm passes through bearing support are rotating ring and stationary ring
Seal receptacle, far from cutting head assembly.
Preferably, the bearing lubrication of the cutting arm and speed reducer carry out two-way point of chamber by oil sealing and lubricate.
Compared with prior art, the utility model has the beneficial effects that the cutting units tunneling machine cutting head assembly directly with
Outer cylinder connection rotation, structure is simple, reliable, reduces cost；The driving member bending of cutting arm separates, and keeps transmission intensity reliable；Axis
It is more scientific and reasonable to hold configuration, increases bearing service life；Float grease seal is reduced far from working end because in impact endurance test shock and work
Dust atmosphere bring influences, and enhances the service life of sealing element.The service life for dividing chamber lubrication to increase bearing and sealing, to extend driving
The service life of machine.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the cutting arm structural schematic diagram of the utility model.
Appended drawing reference: cutting motor 1, motor frame body 2, speed reducer 3, cutting arm 4, first bearing 41, splined shaft 42, outer cylinder
43, second bearing 44,3rd bearing 45, bearing block 46, floating seal 47, oil sealing 48, cutting head assembly 5.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As Figure 1-Figure 2, present embodiment uses following technical scheme: it includes cutting motor 1, motor frame body
2, speed reducer 3, cutting arm 4 and cutting head assembly 5,2 rear portion of motor frame body are provided with cutting motor 1, before motor frame body 2
Portion is provided with speed reducer 3, and the output end of motor frame body 2 is connect with speed reducer 3, and 3 front of speed reducer is provided with cutting
Arm 4, the outer cylinder 43 of cutting arm 4 are rotating member, and cutting arm 4 is individual cavity, and 4 front end of cutting arm is provided with cutting head assembly 5,
The cutting head assembly 5 directly connect rotation with outer cylinder 43, simple and reliable for structure, reduces processing cost.
The cutting arm 4 includes first bearing 41, splined shaft 42, outer cylinder 43, second bearing 44,3rd bearing 45, axis
Seat 46, floating seal 47 and oil sealing 48 are held, the cutting arm 4 is internally provided with splined shaft 42, and cutting head assembly 5 passes through flower
Key axis 42 is connect with speed reducer 3, bearing block 46 is provided with outside the splined shaft 42, and set between bearing block 46 and turntable 43
It is equipped with first bearing 41, second bearing 44,3rd bearing 45 and floating seal 47, is set between the cutting arm 4 and speed reducer 3
It is equipped with oil sealing 48, the first bearing 41 is self-aligning roller bearing, and second bearing 44 is thrust roller axis, and 3rd bearing 45 is
Cylinder roller bearing.
When work, cutting arm 4 is by first bearing 41, turntable 43, second bearing 44 and 3rd bearing 45 directly by work
In the unloading of complex external load on frame body, then connect with cutting head assembly 5 and speed reducer 3 by splined shaft 42, output end
Moment of flexure and torque are separated, 42 transmitting torques of splined shaft, to improve the reliability of cutting units；Second bearing 44 individually passes
Axial force is passed, first bearing 41 and 3rd bearing 45 bear radial force, and second bearing 44 bears powerful axis when development machine slotting
Xiang Li, first bearing 41 and 3rd bearing 45 bear cutting force when development machine or more and sideway cutting, in this way in limited sky
In, substantially increase the service life and reliability of bearing；The floating seal 47 of cutting arm 4 passes through the outer cylinder 43 of bearing support
It is the seal receptacle of rotating ring and stationary ring with bearing block 46, far from cutting head assembly 5, avoids strong impact, shake in development machine work
Caused seal leakage is moved, the reliability of work is improved；The bearing lubrication speed reducer 3 of cutting arm 4 by oil sealing 48 into
Two-way point of chamber lubrication of row, guarantees that output end bearing lubrication is abundant, to extend the service life of cutting units.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of novel cutting units development machine, it is characterised in that: it includes cutting motor (1), motor frame body (2), speed reducer
(3), cutting arm (4) and cutting head assembly (5), described motor frame body (2) rear portion are provided with cutting motor (1), motor frame body
(2) front is provided with speed reducer (3), and the output end of motor frame body (2) is connect with speed reducer (3), before the speed reducer (3)
Portion is provided with cutting arm (4), and cutting arm (4) front end is provided with cutting head assembly (5)；
The cutting arm (4) includes first bearing (41), splined shaft (42), outer cylinder (43), second bearing (44), 3rd bearing
(45), bearing block (46), floating seal (47) and oil sealing (48), the cutting arm (4) are internally provided with splined shaft (42), and
Cutting head assembly (5) is connect by splined shaft (42) with speed reducer (3), is provided with bearing block outside the splined shaft (42)
(46), and between bearing block (46) and outer cylinder (43) be provided with first bearing (41), second bearing (44), 3rd bearing (45) and
Floating seal (47) is provided with oil sealing (48) between the cutting arm (4) and speed reducer (3).
2. a kind of novel cutting units development machine according to claim 1, it is characterised in that: outside the cutting arm (4)
Cylinder (43) is rotating member, and cutting arm (4) is individual cavity, and cutting head assembly (5) directly connect rotation with outer cylinder (43).
3. a kind of novel cutting units development machine according to claim 1, it is characterised in that: the cutting arm (4) passes through
First bearing (41), second bearing (44), 3rd bearing (45) are directly by the radial force and axial force load unloading frame in work
On body, then passes through splined shaft (42) and connect with speed reducer (3).
4. a kind of novel cutting units development machine according to claim 1, it is characterised in that: the first bearing (41) is
Self-aligning roller bearing, second bearing (44) are thrust roller axis, and 3rd bearing (45) is cylinder roller bearing.
5. a kind of novel cutting units development machine according to claim 1, it is characterised in that: the cutting arm (4) floats
Seal receptacle of the dynamic sealing (47) by the outer cylinder (43), bearing block (46) of bearing support for rotating ring and stationary ring, separate cutterhead group
Part (5).
6. a kind of novel cutting units development machine according to claim 1, it is characterised in that: the bearing of the cutting arm (4)
Lubrication carries out two-way point of chamber by oil sealing (48) with speed reducer (3) and lubricates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822102065.3U CN209145592U (en) | 2018-12-14 | 2018-12-14 | A kind of novel cutting units development machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822102065.3U CN209145592U (en) | 2018-12-14 | 2018-12-14 | A kind of novel cutting units development machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209145592U true CN209145592U (en) | 2019-07-23 |
Family
ID=67290164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822102065.3U Active CN209145592U (en) | 2018-12-14 | 2018-12-14 | A kind of novel cutting units development machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209145592U (en) |
-
2018
- 2018-12-14 CN CN201822102065.3U patent/CN209145592U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202992036U (en) | Cutting speed reducer of continuous coal mining machine | |
| CN104989461B (en) | Full floating bearing turbocharger rotor-support-foundation system | |
| CN209145592U (en) | A kind of novel cutting units development machine | |
| CN207229586U (en) | A kind of orientable engineering bearing of self-lubricating | |
| CN102927208B (en) | A kind of continuous miner cutting reducer | |
| CN203686069U (en) | Speed reducer with stable transmission | |
| CN107597284B (en) | A kind of simplification, the rotating drivetrain reconfigured and its interior set cooling water channel | |
| CN104405383A (en) | Heading machine and cutting arm | |
| CN102748431A (en) | Speed reducer and heading machine with speed reducer | |
| CN205858365U (en) | A kind of Novel flexible-transmission cutting part of heading machine | |
| CN202097413U (en) | Machine tool spindle | |
| CN102371364A (en) | Tooling spindle of gear grinding machine | |
| CN202451049U (en) | Seal device of transmission shaft of PDM (positive displacement motor) drill | |
| CN202317040U (en) | Gear shaving machine tool spindle | |
| CN101707418A (en) | Electric spindle arranging structure easy to replace motor and using method thereof | |
| CN113818802A (en) | Driving device for open-air down-the-hole drill | |
| CN106065777A (en) | A kind of Novel flexible-transmission cutting part of heading machine | |
| CN208311258U (en) | A kind of high axial carrying plain thrust bearing | |
| CN209239074U (en) | The high rotating accuracy static pressure electric main shaft of high rigidity | |
| CN218267140U (en) | Novel rotary gear box for down-the-hole drill | |
| CN209587055U (en) | A kind of fixed shaft type speed reducer and down-the-hole drill | |
| CN202646709U (en) | Compound type oil seal | |
| CN202840781U (en) | Bearing lubricating structure for drive motor | |
| CN204592134U (en) | A kind of vehicle driving shaft assembly with buffer structure | |
| CN203104181U (en) | Motor bearing structure of coal mine heading machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |