CN203778839U - Rotary supporting device of milling device and double-wheel slot milling machine - Google Patents
Rotary supporting device of milling device and double-wheel slot milling machine Download PDFInfo
- Publication number
- CN203778839U CN203778839U CN201420031204.7U CN201420031204U CN203778839U CN 203778839 U CN203778839 U CN 203778839U CN 201420031204 U CN201420031204 U CN 201420031204U CN 203778839 U CN203778839 U CN 203778839U
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- Prior art keywords
- bearing
- supporting device
- back shaft
- rotating supporting
- end cover
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- Expired - Lifetime
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- 238000003801 milling Methods 0.000 title claims abstract description 49
- 239000003921 oil Substances 0.000 claims description 25
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Sliding-Contact Bearings (AREA)
Abstract
The utility model relates to a rotary supporting device of a milling device and a double-wheel slot milling machine. The rotary supporting device comprises a supporting shaft, a shaft bearing, a sliding bearing, a thrust bearing, an upper end cover, a lower end cover, an oil cylinder and a twisting plate, wherein the sliding bearing is located between the supporting shaft and a bearing seat; the sliding bearing is connected with the upper part of the bearing seat; the thrust bearing is located between the supporting shaft and the bearing seat; the thrust bearing is connected with the lower part of the bearing seat; the supporting shaft penetrates through an inner hole of the thrust bearing and an inner hole of the sliding bearing; the lower end of the supporting shaft is fixedly connected with the twisting plate. The rotary supporting device of the milling device, provided by the utility model, adopts a manner that the thrust bearing is matched with the sliding bearing; when the milling device is in a vertical state, the thrust bearing is a main bearing element; when the milling device is arranged horizontally or is lifted from the ground, the sliding bearing is the main bearing element so that radial force on the thrust bearing can be reduced effectively; the rotary supporting device is simple and reliable in structure and is convenient to maintain.
Description
Technical field
The utility model relates to engineering machinery field, is specifically related to a kind of rotating supporting device of milling attachment and has the two-wheel flute milling machine of the rotating supporting device of this milling attachment.
Background technology
Two-wheel flute milling machine, as one of the most advanced equipment of construction of diaphragm wall, has the advantages such as efficiency of construction is high, grooving precision is good.In construction of diaphragm wall process, excavating equipment often need to change and excavate angle according to construction requirement.Usual way is that the adjustment by position of host machine realizes, but when construction site is restricted (as municipal construction, construction site is less), the very difficult adjustment by main frame realizes angle demand.
For addressing the above problem, best solution is exactly that excavating gear itself carries out angle adjustment.In prior art, there is the revolution of adopting to support to coordinate the mode of oscillating oil cylinder to realize the rotation of excavating gear, comparatively expensive and be not easy to sealing but price is supported in revolution, be unfavorable for promoting; Have employing rope to coordinate the mode of assembly pulley to achieve the goal, yet in the course of work, rope exists the phenomenon of skidding on pulley, rotation precision is difficult to control.
Utility model content
The purpose of this utility model is rotating supporting device and the two-wheel flute milling machine thereof that proposes a kind of milling attachment, and the rotating supporting device of this milling attachment has solved the problems referred to above effectively.
For achieving the above object, the utility model provides following technical scheme:
A kind of rotating supporting device of milling attachment, rotating supporting device comprises back shaft, bearing block, sliding bearing, thrust bearing, upper end cover, bottom end cover, oil cylinder and torsion plate, sliding bearing is between back shaft and bearing block, sliding bearing is connected to the top of bearing block, thrust bearing is between back shaft and bearing block, thrust bearing is connected to the bottom of bearing block, back shaft is through the endoporus of thrust bearing and the endoporus of sliding bearing, upper end cover is arranged on the top of bearing block, bottom end cover is arranged on the bottom of bearing block, oil cylinder has first end and the second end, the first end of oil cylinder is connected with torsion plate, the lower end of back shaft is fixedly connected with torsion plate.
At one, preferably or alternatively in embodiment, rotating supporting device also comprises black box, and black box lays respectively between back shaft and upper end cover, between back shaft and bottom end cover.
At one, preferably or alternatively in embodiment, the inner face up and down of sliding bearing has respectively groove, has the helicla flute of the upper and lower inner face groove of at least one perforation at sliding bearing inner surface.
At one, preferably or alternatively in embodiment, have a plurality of screwed holes and a plurality of for storing the groove of lubricating oil on groove, screwed hole and groove successively interval arrange.
At one, preferably or alternatively in embodiment, rotating supporting device also comprises oiling plug, and oiling plug is arranged in the tapped through hole of upper end cover.
At one, preferably or alternatively in embodiment, the tapped through hole below that is provided with oiling plug on upper end cover is the groove of sliding bearing.
At one, preferably or alternatively in embodiment, reverse plate and have endoporus, the lower end of back shaft is arranged in the endoporus that reverses the endoporus of plate and the lower end of back shaft and torsion plate and is fixedly connected with.
At one, preferably or alternatively in embodiment, the endoporus that reverses plate has keyway, and the lower end of back shaft has keyway, reverses the keyway of endoporus of plate and the keyway of the lower end of back shaft and is connected by key.
At one, preferably or alternatively in embodiment, oil cylinder is oscillating oil cylinder or spiral oscillating motor.
The utility model also provides following technical scheme:
A kind of two-wheel flute milling machine, two-wheel flute milling machine comprises milling attachment and rotating supporting device as above, milling attachment comprises Connection Block, transverse slat and riser, Connection Block is connected by transverse slat with riser, the second end of oil cylinder and the riser of milling attachment are connected, and the bearing block of rotating supporting device is connected on the Connection Block of milling attachment.
Arbitrary technical scheme based in technique scheme, the utility model embodiment at least can produce following technique effect:
Because the rotating supporting device of milling attachment provided by the utility model comprises back shaft, bearing block, sliding bearing, thrust bearing, upper end cover, bottom end cover, oil cylinder and torsion plate, sliding bearing is between back shaft and bearing block, sliding bearing is connected to the top of bearing block, thrust bearing is between back shaft and bearing block, thrust bearing is connected to the bottom of bearing block, back shaft is through the endoporus of thrust bearing and the endoporus of sliding bearing, upper end cover is arranged on the top of bearing block, bottom end cover is arranged on the bottom of bearing block, oil cylinder has first end and the second end, the first end of oil cylinder is connected with torsion plate, the lower end of back shaft is fixedly connected with torsion plate, rotating supporting device adopts thrust bearing to coordinate the mode of sliding bearing, when milling attachment is during in vertical state, thrust bearing is main load-bearing component, when milling attachment is set level or promote from ground, sliding bearing is main load-bearing component, thereby can effectively reduce the suffered radial load of thrust bearing, not only simple in structure, reliably, and easy to maintenance.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is that rotating supporting device of the present utility model is assemblied in the structural representation on milling attachment;
Fig. 2 is the enlarged front view of the I part of Fig. 1;
Fig. 3 is the cutaway view of Fig. 1;
Fig. 4 is the oblique view of sliding bearing of the present utility model;
Fig. 5 is the cutaway view of sliding bearing of the present utility model.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
It should be noted that: any technical characterictic in the present embodiment, any technical scheme is all the technical characterictic of plurality of optional or one or more in optional technical scheme, cannot exhaustive all alternative technical characterictics of the present utility model and alternative technical scheme in order to describe succinct need in presents, also the embodiment that is not easy to each technical characterictic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characterictic in the present embodiment and any technical scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
Below in order to narrate conveniently, hereinafter alleged " left side ", " right side ", " on ", left and right, the upper and lower of D score and accompanying drawing itself is to consistent.
As Figure 1-3, a kind of rotating supporting device of milling attachment, rotating supporting device comprises back shaft 1, bearing block 2, sliding bearing 4, thrust bearing 5, upper end cover 3, bottom end cover 6, oil cylinder 7 and torsion plate 8, sliding bearing 4 is between back shaft 1 and bearing block 2, sliding bearing 4 is connected to the top of bearing block 2, thrust bearing 5 is between back shaft 1 and bearing block 2, thrust bearing 5 is connected to the bottom of bearing block 2, back shaft 1 is through the endoporus of thrust bearing 5 and the endoporus of sliding bearing 4, upper end cover 3 is arranged on the top of bearing block 2, bottom end cover 6 is arranged on the bottom of bearing block 2, oil cylinder 7 has first end and the second end, the first end of oil cylinder 7 is connected with torsion plate 8, the lower end of back shaft 1 is fixedly connected with torsion plate 8.
Rotating supporting device adopts thrust bearing to coordinate the form of sliding bearing to realize rotary support, when milling attachment is during in vertical state, thrust bearing is main load-bearing component, when milling attachment is set level or promote from ground, sliding bearing is main load-bearing component, thereby can effectively reduce the suffered radial load of thrust bearing, each parts of rotating supporting device are stressed simple, long service life; Sliding bearing manufacture is simultaneously easy to be cheap, can significantly reduce use cost.
Milling attachment is worked under muddy environment, and upper end cover and bottom end cover can prevent that mud from entering sliding bearing and thrust bearing, better protect rotating supporting device, extends the service life of rotating supporting device.
Rotating supporting device also comprises black box 11, black box 11 lays respectively between back shaft 1 and upper end cover 3, between back shaft 1 and bottom end cover 6, black box 11 is arranged on respectively on upper end cover 3 and bottom end cover 6, and black box can better prevent that mud from entering sliding bearing and thrust bearing.
As shown in Fig. 4-5, the inner face up and down of sliding bearing 4 has respectively groove 401, has the helicla flute 402 of the upper and lower inner face groove 401 of at least one perforation at sliding bearing inner surface.
The inner face up and down of sliding bearing has respectively groove and refers to that groove lays respectively on the upper and lower end face of sliding bearing, groove is near back shaft simultaneously.Sliding bearing inner surface refers to that sliding bearing is near the surface of back shaft.
On groove 401, have a plurality of screwed holes 403 and a plurality of for storing the groove 404 of lubricating oil, screwed hole 403 and groove 404 successively interval arrange.
Screwed hole is provided convenience for dismantling sliding bearing; In work progress, due to vibrations reason, the lubricating oil in the groove on sliding bearing can continue enters into sliding bearing, realizes the continuous lubrication to sliding bearing.
Rotating supporting device also comprises oiling plug 10, and oiling plug 10 is arranged in the tapped through hole of upper end cover 3.
The tapped through hole below that is provided with oiling plug 10 on upper end cover 3 is the groove 401 of sliding bearing 4, when lubricated, directly from oiling plug, inject lubricating oil, lubricating oil directly enters thrust bearing chamber through groove and the helicla flute of sliding bearing, therefore, can be easily for thrust bearing provides lubricated maintenance.
Reverse plate 8 and have endoporus, the lower end of back shaft 1 is arranged in the torsion endoporus of plate 8 and the lower end of back shaft 1 is fixedly connected with the endoporus that reverses plate 8.
The endoporus that reverses plate 8 has keyway, and the lower end of back shaft 1 has keyway, reverses the keyway of endoporus of plate and the keyway of the lower end of back shaft and is connected by key 9, reverses plate 8 and is fixedly connected with back shaft 1 by key 9.
Oil cylinder 7 is oscillating oil cylinder or spiral oscillating motor.
A kind of two-wheel flute milling machine, two-wheel flute milling machine comprises milling attachment 20 and rotating supporting device as above, milling attachment 20 comprises Connection Block 201, transverse slat 203 and riser 202, Connection Block 201 is connected by transverse slat 203 with riser 202, the second end of oil cylinder 7 is connected with the riser 202 of milling attachment 20, and the bearing block 2 of rotating supporting device is connected on the Connection Block 201 of milling attachment 20.
The bearing block 2 of rotating supporting device is connected on the Connection Block 201 of milling attachment 20 by bolt or screw.
As shown in Figure 3, the first end of oil cylinder 7 is hinged by bearing pin and torsion plate 8, and the second end of oil cylinder 7 is hinged by the riser 202 of bearing pin and milling attachment 20, when milling attachment 20 need to rotate, oil cylinder 7 is protruding or regain, and can promote back shaft 1 and rotate relative to milling attachment 20.Back shaft 1 upper end has hole, and steel wire makes the unsettled setting of back shaft 1 through the hole on back shaft 1, drives steel wire to rotate and tighten when back shaft 1 rotates; When back shaft 1 does not rotate, steel wire rotates while loosening and drives back shaft 1 to rotate backward.
The other parts of two-wheel flute milling machine can, with reference to prior art, no longer be launched to describe herein.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the utility model just discloses part numerical value to illustrate the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of the utility model being created to protection domain.
Simultaneously, if above-mentioned the utility model discloses or has related to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technical scheme of above-mentioned the utility model applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that the utility model provides can be both to be assembled by a plurality of independent parts, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1. the rotating supporting device of a milling attachment, it is characterized in that, described rotating supporting device comprises back shaft, bearing block, sliding bearing, thrust bearing, upper end cover, bottom end cover, oil cylinder and torsion plate, sliding bearing is between back shaft and bearing block, sliding bearing is connected to the top of bearing block, thrust bearing is between back shaft and bearing block, thrust bearing is connected to the bottom of bearing block, back shaft is through the endoporus of thrust bearing and the endoporus of sliding bearing, upper end cover is arranged on the top of bearing block, bottom end cover is arranged on the bottom of bearing block, oil cylinder has first end and the second end, the first end of oil cylinder is connected with torsion plate, the lower end of back shaft is fixedly connected with torsion plate.
2. rotating supporting device according to claim 1, is characterized in that, described rotating supporting device also comprises black box, and black box lays respectively between back shaft and upper end cover, between back shaft and bottom end cover.
3. rotating supporting device according to claim 1, is characterized in that, the inner face up and down of sliding bearing has respectively groove, has the helicla flute of the upper and lower inner face groove of at least one perforation at sliding bearing inner surface.
4. rotating supporting device according to claim 3, is characterized in that, has a plurality of screwed holes and a plurality of for storing the groove of lubricating oil on groove, and screwed hole and groove successively interval arrange.
5. rotating supporting device according to claim 4, is characterized in that, described rotating supporting device also comprises oiling plug, and oiling plug is arranged in the tapped through hole of upper end cover.
6. rotating supporting device according to claim 5, is characterized in that, the tapped through hole below that is provided with oiling plug on upper end cover is the groove of sliding bearing.
7. rotating supporting device according to claim 1, is characterized in that, reverses plate and has endoporus, and the lower end of back shaft is arranged in the torsion endoporus of plate and the lower end of back shaft is fixedly connected with the endoporus that reverses plate.
8. rotating supporting device according to claim 7, is characterized in that, the endoporus that reverses plate has keyway, and the lower end of back shaft has keyway, reverses the keyway of endoporus of plate and the keyway of the lower end of back shaft and is connected by key.
9. rotating supporting device according to claim 1, is characterized in that, oil cylinder is oscillating oil cylinder or spiral oscillating motor.
10. a two-wheel flute milling machine, it is characterized in that, described two-wheel flute milling machine comprises the rotating supporting device described in milling attachment and claim 1-9 any one, milling attachment comprises Connection Block, transverse slat and riser, Connection Block is connected by transverse slat with riser, the second end of oil cylinder and the riser of milling attachment are connected, and the bearing block of rotating supporting device is connected on the Connection Block of milling attachment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031204.7U CN203778839U (en) | 2014-01-20 | 2014-01-20 | Rotary supporting device of milling device and double-wheel slot milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031204.7U CN203778839U (en) | 2014-01-20 | 2014-01-20 | Rotary supporting device of milling device and double-wheel slot milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203778839U true CN203778839U (en) | 2014-08-20 |
Family
ID=51315067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420031204.7U Expired - Lifetime CN203778839U (en) | 2014-01-20 | 2014-01-20 | Rotary supporting device of milling device and double-wheel slot milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203778839U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314823A (en) * | 2015-11-29 | 2016-02-10 | 长沙知元科技有限公司 | Shoulder/mouth making forming device and bottle making machine |
| CN110871287A (en) * | 2019-12-06 | 2020-03-10 | 浦江吉树机械科技有限公司 | Internal surface milling equipment |
| CN114932320A (en) * | 2022-06-14 | 2022-08-23 | 瑞鼎机电科技（昆山）有限公司 | Tray marking device for coffee machine |
-
2014
- 2014-01-20 CN CN201420031204.7U patent/CN203778839U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314823A (en) * | 2015-11-29 | 2016-02-10 | 长沙知元科技有限公司 | Shoulder/mouth making forming device and bottle making machine |
| CN105314823B (en) * | 2015-11-29 | 2017-09-29 | 长沙知元科技有限公司 | Shoulder processed/mouth shaped device, bottle-making machine |
| CN110871287A (en) * | 2019-12-06 | 2020-03-10 | 浦江吉树机械科技有限公司 | Internal surface milling equipment |
| CN114932320A (en) * | 2022-06-14 | 2022-08-23 | 瑞鼎机电科技（昆山）有限公司 | Tray marking device for coffee machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |