CN209510316U - Water-cooled development machine and its cutting arm - Google Patents
Water-cooled development machine and its cutting arm Download PDFInfo
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- CN209510316U CN209510316U CN201920074812.9U CN201920074812U CN209510316U CN 209510316 U CN209510316 U CN 209510316U CN 201920074812 U CN201920074812 U CN 201920074812U CN 209510316 U CN209510316 U CN 209510316U
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Abstract
The utility model discloses a kind of water-cooled cutting arm of tunneling machine, comprising: cantilever segment；With the main shaft of cantilever segment rotation connection；The water-cooling structure being used for through the cooling cantilever segment of flowing water and cantilever segment internal element being set on cantilever segment；Wherein, cantilever segment includes for installing the cantilever cylinder of main shaft in it and being sleeved on the water jacket of cantilever drum outer wall；Water-cooling structure includes: the water inlet for inflow of supplying water being set on water jacket and the water outlet for outflow of supplying water；Be located on cantilever cylinder for connect water jacket part outer wall and/or water jacket the inner wall for connecting cantilever cylinder be used for flowed through for water flow to cool down the water channel of cantilever cylinder and its interior element；Water channel is connected with the inlet and outlet of water jacket.The cutting arm of the utility model, structure is simple, easy to use, by cooling water by cutterhead work in the heat that generates be swapped out, achieve the purpose that reduce lubricating oil temperature rise；In addition, the utility model also provides a kind of water-cooled development machine.
Description
Technical field
The utility model relates to mine mechanism technical field more particularly to a kind of water-cooled development machine and its cuttings
Arm.
Background technique
The main operating mechanism of development machine is cutterhead, according to certain rule arrangement pick on cutterhead.Cutterhead is solid
It is scheduled on cutting arm front end, and cutterhead is linked together with cutting arm by main shaft, bearing, main shaft rotation drives cutterhead rotation
Turn, while cutting arm lifting and revolution, realizes cutting work.
Currently, main shaft of boring machine bearing lubrication generallys use thin oil lubricant, the heat dissipation of lubricating oil passes through cutting arm and air
Heat exchange natural heat dissipation.When cutterhead load is big, lubricating oil temperature rise is higher, can not will generate by air natural heat dissipation merely
Heat shed in time, cause lubricating oil temperature rise excessively high.Long-time high temperature easily makes deterioration of lubricant, greasy property decline, nothing
Method forms oil film and carries out effectively lubricating to bearing, and then leads to bearing failure.Therefore, how that the heat generated in work is timely
It distributes, is the key that guarantee cutting arm service life.
Summary of the invention
The purpose of this utility model is exactly to solve the above-mentioned problems, to provide a kind of cutting arm of water-cooled development machine, knot
Structure is simple, easy to use, by cooling water by cutterhead work in the heat that generates be swapped out, reaching reduces lubricating oil temperature rise
Purpose；In addition, the utility model also provides a kind of water-cooled development machine.
For the above-mentioned purpose for realizing the utility model, on the one hand the utility model provides a kind of cutting of water-cooled development machine
Arm comprising: for connecting the cantilever segment of tunneling machine cutting cantilever crane；Part of it stretches out in cantilever segment, its another part and hangs
The main shaft that arm section inner wall is rotatablely connected by bearing, the cutterhead of the development machine are mounted in its described a part；In addition, also
It include: the water cooling being used for through the cooling cantilever segment of flowing water and cantilever segment internal element being set on the cantilever segment
Structure；Wherein, the cantilever segment includes for installing the cantilever cylinder of the main shaft in it and being sleeved on the water of cantilever drum outer wall
Set；Wherein, the water-cooling structure includes: to be set to flowing out on the water jacket for the water inlet for inflow of supplying water and for supplying water
Water outlet；Be located on the cantilever cylinder outer wall for connecting water jacket part and/or the water jacket for connecting cantilever
The inner wall of cylinder is used to flowed through for water flow to cool down the water channel of cantilever cylinder and its interior element；The water inlet of the water channel and the water jacket
Mouth is connected with water outlet.
Preferably, the water jacket is set to one end for connecting with the main shaft of the cantilever cylinder.
Preferably, the water channel is set to the cantilever drum outer wall, S-shaped to hover above on the cantilever cylinder and head and the tail phase
It connects.
Alternatively, the water channel is set to the water jacket inner wall, it is S-shaped hover above it is on the water jacket and end to end.
It is S-shaped to spiral and end to end alternatively, the water channel is set to the water jacket inner wall and the cantilever drum outer wall.
It further, further include successively being placed in its bearing bore along the axial of the cantilever cylinder by one end to the other end
Self-aligning roller bearing, tapered roller bearing, cylinder roller bearing.
Preferably, a part of outer surface of the main shaft is provided with the key for being cooperatively connected with the cutterhead
Slot.
It further, further include the water pump for water supply being connected with the water inlet.
In addition, it includes cutting arm as described above that the utility model, which also provides a kind of,.
Compared with prior art, the water-cooled development machine of the utility model and its cutting arm have the advantages that
The cutting arm of the water-cooled development machine of the utility model, structure is simple, easy to use, by cooling water by cutterhead
The heat real-time exchange generated in the course of work is gone out, and lubricating oil temperature rise is effectively reduced, and is improved the greasy property of lubricating oil, is avoided
Bearing failure improves the service life of cutting arm.
The utility model is described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the semi-cutaway of the cutting arm of the water-cooled development machine of the utility model embodiment；
Fig. 2 is semi-cutaway of the utility model embodiment using the cantilever segment when opening up water channel on cantilever cylinder；
Fig. 3 is the part machining sketch chart that S-shaped water channel is arranged in the utility model embodiment on cantilever cylinder.
Specific embodiment
As shown in Figure 1, the semi-cutaway of the cutting arm for the water-cooled development machine of the utility model embodiment, as shown in Figure 1,
The cutting arm of the water-cooled development machine of the present embodiment includes: the cantilever segment 15 for connecting tunneling machine cutting cantilever crane；Part of it
Stretch out in the main shaft 1 that cantilever segment 15, its another part and 15 inner wall of cantilever segment are rotatablely connected by bearing, the cutterhead of development machine
It is mounted on (not shown) on part of it；In addition, further include be set on cantilever segment 15 for by flowing water it is cold
But the water-cooling structure of 15 internal element of cantilever segment 15 and cantilever segment.Wherein, as shown in Fig. 2, cantilever segment 15 includes in it
The cantilever cylinder 16 of main shaft 1 is installed and is sleeved on the water jacket 17 of 16 outer wall of cantilever cylinder；Wherein, water-cooling structure includes: to be set to water jacket
The water inlet 17a for inflow of supplying water on the 17 and water outlet 17b for outflow of supplying water；Be located on cantilever cylinder 16 for connecting
The inner wall for connecting cantilever cylinder 16 of the outer wall and/or water jacket 17 of 17 parts of water receiving set is flowed through for being bent for water flow with cold
But the water channel 16a of cantilever cylinder 16 and its interior element, and water channel 16a and the water inlet 17a and water outlet 17b of water jacket 17 are respectively connected with
It is logical.
Specifically, as shown in Fig. 2, the cantilever segment 15 of the present embodiment includes the cylindrical circular cantilever cylinder 16 of difference and water jacket
17, water jacket 17 is set in outside cantilever cylinder 16 and is fixed together with cantilever cylinder 16.When the two is connected, welding can be passed through
Mode water jacket 17 is welded in one end for being used to connect with main shaft 1 of cantilever cylinder 16, that is, close to the front end of cutterhead；?
Water jacket 17 and cantilever cylinder 16 can be linked together by the way of being threadedly coupled encryption seal sealing.
Since the cutterhead (not shown) of development machine is mounted on main shaft 1, and main shaft 1 protrudes into cantilever cylinder 16 and leads to
It crosses at least one bearing and 16 inner wall of cantilever cylinder is rotatablely connected, reference can be made to Fig. 1, is provided with bearing bore in cantilever cylinder 16, along outstanding
The axial direction of arm cylinder 16 is by being successively mounted with self-aligning roller bearing 10, tapered roller bearing in the bearing bore of one end to the other end
11, cylinder roller bearing 12, that is, main shaft 1 by self-aligning roller bearing 10, tapered roller bearing 11, cylinder roller bearing 12 with
Cantilever cylinder 16 is rotatablely connected, and is realized and sealed to bearing bore by floating seal 5, O-ring 6, O-ring 8, oil sealing 14.
When main shaft 1 is rotated to drive cutterhead to work, each bearing needs lubricating oil to keep lubrication, and is to avoid due to master
The work long hours heat of generation of axis 1 causes lubricants performance to decline, and the present embodiment is arranged for passing through stream on cantilever segment 15
The water-cooling structure of the cooling cantilever segment 15 of dynamic water and 15 internal element of cantilever segment.
The water-cooling structure of the present embodiment can be using such as flowering structure, comprising: in the ipsilateral or opposite side of water jacket 17 or water jacket
The water inlet 17a and water outlet 17b that water jacket 17 is axially penetrated through along water jacket 17 being arranged at upper any two, flowing water can be along water jacket
17 are axially flowed by water inlet 17a, are flowed out from water outlet 17b；It is used to connect water jacket 17 along what 16 outer wall circumferential direction ring of cantilever cylinder was set
Water channel 16a (as shown in Figure 3) on partial outer wall, and the water inlet 17a and water outlet 17b of water channel 16a and water jacket 17 distinguish
It is connected.
The water-cooling structure of the present embodiment setting, after the water flowed by water inlet 17a can be allowed to flow through water channel 16a, from water outlet
Mouth 17b outflow, so that the heat generated when each element manipulation being installed in cantilever cylinder 16 is taken away by flowing water in time, benefit
In the heat dissipation of 16 inner bearing chamber of cantilever cylinder, it is ensured that the lubricating oil for providing lubrication for each bearing keeps greasy property.
And in order to increase heat dissipation area of the water channel on cantilever cylinder 16, the water channel 16a of the present embodiment is S-shaped to hover above cantilever
The outer surface (as shown in Figure 3) of cylinder 16, that is, water channel 16a includes axially being opened in 16 outer surface of cantilever cylinder in parallel along cantilever cylinder 16
Multiple axial notches with by multiple axial notches be sequentially connected end to end together with multiple circumferential recess, multiple axial notches and
Multiple circumferential recess are connected to the curved water channel to be formed around 16 outer wall of cantilever cylinder.The bending water channel 16a being connected by with water
The water inlet 17a and water outlet 17b of set 17 are respectively connected with logical, allow water bend cycles in water channel, sufficiently play cooling
The effect of cantilever cylinder 16 and Qi Nei element.When design, the length of axial notch is slightly shorter than the length of water jacket, and position can be with support
The self-aligning roller bearing and tapered roller bearing installation site of main shaft are corresponding.
The water channel of the present embodiment can also be located at the use of water jacket 17 other than it can be located on 16 outer wall of cantilever cylinder with ring
It, can also ring sets and is connected respectively in 16 outer wall of cantilever cylinder and the corresponding position of 17 inner wall of water jacket on the inner wall of connecting cantilever cylinder 16
Logical water channel (not shown).The shape of water channel can be using identical as the shape on above-mentioned 16 outer wall of cantilever cylinder, to increase
Big heat spreading function of the flowing water to cantilever cylinder 16.
If the problem of considering processing technology and cost, the present embodiment is preferably located on 16 outer wall of cantilever cylinder using by water channel
On.
In addition, the present embodiment further include be connected with the water inlet 17a on water jacket 17 for water supply water pump and with go out
The pipeline (not shown) for transferring out the water of outflow that mouth of a river 17b is connected.
When spindle operation, cooling water is entered from the inlet cutting arm cooling chamber (i.e. water channel), after circulating cooling cutting arm
It is flowed out from water outlet, realizes the cooling to cutting arm internal bearings chamber lubricating oil.
The cutting arm of the present embodiment is other than including above-mentioned each component, as shown in Figure 1, further including by edge and cantilever cylinder 15
The floating seal frame 9 that the bolt 7 that axial parallel direction extends is connect with 15 front end face of cantilever cylinder, floating seal frame 9 are set in master
Axis 1 is outer and has gap with 1 outer surface of main shaft, and rear end face is for the self-aligning roller bearing 10 being installed on main shaft 1 to be defined in
In the bearing bore of cantilever cylinder 16, and O-ring 8 is provided between floating seal frame 9 and cantilever cylinder 16.It is further sleeved with outside main shaft 1
Floating seal seat 4, a part of floating seal seat 4 is located at the front of floating seal frame 9, another part protrude into floating seal frame 9 with
In gap between main shaft 1, and floating seal 5, floating seal seat 4 are provided between floating seal seat 4 and floating seal frame 9
It is provided with the O-ring 6 for sealing between main shaft 1, is additionally provided with before floating seal seat 4 for by 4 edge of floating seal seat
The elastic spring 3 and snap ring 2 being axially defined on main shaft 1, elastic spring 3 and snap ring 2 are set in outside main shaft 1.The stretching of main shaft 1
It is provided in the outer surface of a part of cantilever cylinder 16 for the spline or flat key in mating connection with the cutterhead of development machine.It is main
Another part of axis 1 passes sequentially through self-aligning roller bearing 10, tapered roller bearing 11, cylinder roller bearing 12 and cantilever cylinder 16
Inner wall rotation connection, and 12 rear end of cylinder roller bearing that is located at of main shaft 1 is provided with sealing shroud 13, sealing shroud 13 is set in master
Axis 1 is outer and oil sealing 14 is provided between main shaft 1.
When assembling, floating seal seat and main shaft are zero clearance cooperation, are sealed, are floated close by the O-ring between two mating surfaces
Envelope seat can be rotated synchronously with main shaft.Floating seal frame is bolted on cantilever cylinder, floating seal frame and floating seal seat
Between without cooperation so that there is relative rotation relationship between the two.
Other than providing cutting arm as described above, also providing, there is the utility model the water-cooled of above-mentioned cutting arm to tunnel
Machine (not shown), the cutterhead of water-cooled development machine have on main shaft external splines or the internal spline that matches of flat key or
Interior flat key, by the way that cutterhead and main shaft are linked together with bolt along two axial threaded holes of main shaft 1.When assembly, it will lead
After axis external splines (or outer flat key) and cutterhead internal spline (or interior flat key) alignment, is drawn using bolt and be assembled to cutterhead
Position.
In processing, according to the structure of cantilever segment, processed in cantilever cylinder outer circle first S-shaped water channel (as shown in Figure 3),
Then the water jacket processed and cantilever cylinder group are welded, so as to form closed water cavity between water jacket and cantilever cylinder contact surface.Work as pick
Into when machine work, cooling water all the way is introduced from development machine water system and enters from the inlet cutting arm cooling chamber, circulating cooling is cut
It is flowed out after cutting arm from water outlet, realizes and oil cooled purpose is lubricated to cutting arm bearing bore.
In conclusion compared with prior art, the water-cooled development machine and its cutting arm of the utility model have following excellent
Point:
1, the cutting arm of the present embodiment, structure is simple, easy to use, can will be in the cutterhead course of work by water-cooling structure
The heat real-time exchange of generation is gone out, and lubricating oil temperature rise is effectively reduced, and is improved the greasy property of lubricating oil, is avoided bearing failure,
Improve the service life of cutting arm.
2, water-cooling structure is arranged in the present embodiment on cantilever segment, passes through the inside of the cooling cantilever segment of flowing water and cantilever segment
Element, in time by each element manipulation when the heat that generates distribute, it is ensured that the performance of lubricating oil in cantilever segment bearing bore.
3, the water channel of the present embodiment is the S-shaped water channel of head and the tail connection, and water cyclic can flow in water channel, thus plus
Greatly to the film-cooled heat of cantilever segment, guarantee that water flow is fully cooled the bearing bore of cantilever segment.
Although being explained in detail above to the utility model, the utility model is without being limited thereto, the skill of the art
Art personnel can be modified with principle according to the present utility model, therefore, all according to the various of the principles of the present invention progress
Modification all should be understood as falling into the protection scope of the utility model.
Claims (8)
1. a kind of cutting arm of water-cooled development machine, comprising:
For connecting the cantilever segment of tunneling machine cutting cantilever crane；
Part of it stretches out in the main shaft that cantilever segment, its another part and cantilever segment inner wall are rotatablely connected by bearing, the pick
Cutterhead into machine is mounted in its described a part；
It is characterized by further comprising:
The water cooling being used for through the cooling cantilever segment of flowing water and cantilever segment internal element being set on the cantilever segment
Structure；
The cantilever segment includes for installing the cantilever cylinder of the main shaft in it and being sleeved on the water jacket of cantilever drum outer wall；
The water-cooling structure includes: be used to the supply water water inlet flowed into and the going out for outflow of supplying water being set on the water jacket
The mouth of a river；Be located on the cantilever cylinder outer wall for connecting water jacket part and/or the water jacket for connecting cantilever cylinder
Inner wall is used to flowed through for water flow to cool down the water channel of cantilever cylinder and its interior element；The water inlet of the water channel and the water jacket and
Water outlet is connected.
2. cutting arm according to claim 1, which is characterized in that the water jacket is set to being used for and institute for the cantilever cylinder
State one end of main shaft connection.
3. cutting arm according to claim 2, which is characterized in that the water channel is set to the cantilever drum outer wall, S-shaped
It hovers above on the cantilever cylinder and end to end.
4. cutting arm according to claim 2, which is characterized in that the water channel is set to the water jacket inner wall, S-shaped disk
It is threaded on the water jacket and end to end.
5. cutting arm according to claim 2, which is characterized in that the water channel is set to the water jacket inner wall and described outstanding
Arm cylinder outer wall, it is S-shaped to spiral and end to end.
6. cutting arm according to claim 1-5, which is characterized in that further include along the cantilever cylinder it is axial by
One end is successively placed in self-aligning roller bearing, tapered roller bearing, cylinder roller bearing in its bearing bore to the other end.
7. cutting arm according to claim 1, which is characterized in that further include being connected with the water inlet for supplying water
Water pump.
8. a kind of water-cooled development machine, which is characterized in that including such as described in any item cutting arms of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920074812.9U CN209510316U (en) | 2019-01-17 | 2019-01-17 | Water-cooled development machine and its cutting arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920074812.9U CN209510316U (en) | 2019-01-17 | 2019-01-17 | Water-cooled development machine and its cutting arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209510316U true CN209510316U (en) | 2019-10-18 |
Family
ID=68201126
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920074812.9U Active CN209510316U (en) | 2019-01-17 | 2019-01-17 | Water-cooled development machine and its cutting arm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456727A (en) * | 2020-04-09 | 2020-07-28 | 王志奇 | Mechanical arm mining machinery |
-
2019
- 2019-01-17 CN CN201920074812.9U patent/CN209510316U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456727A (en) * | 2020-04-09 | 2020-07-28 | 王志奇 | Mechanical arm mining machinery |
| CN111456727B (en) * | 2020-04-09 | 2021-12-07 | 青岛瑞莱斯机械有限公司 | Mechanical arm mining machinery |
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