CN101519179A - Screw lift - Google Patents
Screw lift Download PDFInfo
- Publication number
- CN101519179A CN101519179A CN200910030222A CN200910030222A CN101519179A CN 101519179 A CN101519179 A CN 101519179A CN 200910030222 A CN200910030222 A CN 200910030222A CN 200910030222 A CN200910030222 A CN 200910030222A CN 101519179 A CN101519179 A CN 101519179A
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- screw mandrel
- corpus fibrosum
- sponge
- needle bearing
- motor
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- Cage And Drive Apparatuses For Elevators (AREA)
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Abstract
The invention discloses a screw lift changing rotation into linear motion, which comprises a machine shell, a motor, a decelerating component, a plane roller pin bearing, a screw rod and a nut, wherein the motor is in transmission connected with the decelerating component, the screw rod is meshed with the nut, the screw rod is supported on the machine shell by a bearing in a rotating mode, the decelerating component comprises a driving gear in transmission connection with an output shaft of the motor and a gear wheel fixedly connected with the screw rod, the driving gear is meshed with the gear wheel, the inner wall of the machine shell or an embedded element or boss of the gear wheel is provided with corpus fibrosum or sponge, and the corpus fibrosum or sponge is at least partially contacted with the periphery of the plane roller pin bearing. The invention can ensure that the plane roller pin bearing always works in an oil containing state, thereby reducing abrasion wear and greatly improving the service life of the plane roller pin bearing and the screw lift.
Description
Technical field
The present invention relates to a kind ofly change rotation into straight-line device particularly relevant screw elevator.
Background technology
Existing screw elevator, its plane needle bearing is not a friction of rolling purely when working, between the intermediate plate of plane needle bearing and retainer, also there is the cliding friction about 30%, between the retainer endoporus of plane needle bearing and screw mandrel periphery, also there is cliding friction, this just makes that the wearing and tearing of plane needle bearing are very severe, constantly produces black powder.The plane needle bearing is in case lose oil, will soon wear out failure, cause finally that screw elevator lost efficacy, the life-span is short.Because the plane needle bearing is contained in the osed top casing, be not easy to open casing and refuel, so the early failure of plane needle bearing is the weakness of screw elevator.
Summary of the invention
The object of the present invention is to provide a kind of plane needle bearing that can keep containing the screw elevator of working under the oil condition and reducing abrasive wear all the time.
In order to achieve the above object, first kind of technical scheme of the present invention is: a kind of screw elevator, comprise casing, motor, the deceleration assembly, the plane needle bearing, screw mandrel and nut, motor is in transmission connection by deceleration assembly and screw mandrel, screw mandrel and nut engagement, screw mandrel passes through the bearing rotational support on casing, described deceleration assembly comprises driving gear that is in transmission connection with motor output shaft and the big gear wheel of captiveing joint with screw mandrel, driving gear and big gear wheel engagement, corpus fibrosum or sponge are housed on the inwall of described casing, described corpus fibrosum or sponge contact with periphery to the small part of plane needle bearing, fixed mount also is housed on the inwall of described casing, and described corpus fibrosum or sponge are fixed by fixed mount.
In order to refuel for more equably the plane needle bearing, described corpus fibrosum or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing, and corpus fibrosum is felt or cotton felt or chemical fiber felt or other vegetable fibre.
Be connected in order to save installing space and to guarantee to stablize, the inner ring semicircular in shape of described fixed mount or " U " shape, fixed mount is connected by screw retention with the reinforced rib of casing.
In order to achieve the above object, second kind of technical scheme of the present invention is: a kind of screw elevator, comprise casing, motor, the deceleration assembly, the plane needle bearing, screw mandrel and nut, motor is in transmission connection by deceleration assembly and screw mandrel, screw mandrel and nut engagement, screw mandrel passes through the bearing rotational support on casing, described deceleration assembly comprises driving gear that is in transmission connection with motor output shaft and the big gear wheel of captiveing joint with screw mandrel, driving gear and big gear wheel engagement, corpus fibrosum or sponge are housed on the inwall of described casing, described corpus fibrosum or sponge contact with periphery to the small part of plane needle bearing, and described corpus fibrosum or sponge are bonded on the inwall of casing.
In order to refuel for more equably the plane needle bearing, described corpus fibrosum or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing, and corpus fibrosum is felt or cotton felt or chemical fiber felt or other vegetable fibre.
In order to achieve the above object, the third technical scheme of the present invention is: a kind of screw elevator, comprise casing, motor, the deceleration assembly, the plane needle bearing, screw mandrel and nut, motor is in transmission connection by deceleration assembly and screw mandrel, screw mandrel and nut engagement, screw mandrel passes through the bearing rotational support on casing, described deceleration assembly comprises driving gear that is in transmission connection with motor output shaft and the big gear wheel of captiveing joint with screw mandrel, driving gear and big gear wheel engagement, corpus fibrosum or sponge are housed on the inserts of described big gear wheel or the boss, described corpus fibrosum or sponge contact with periphery to the small part of plane needle bearing, fixed mount also is housed on the inserts of described big gear wheel, and described corpus fibrosum or sponge are fixed by fixed mount.
In order to refuel for more equably the plane needle bearing, described corpus fibrosum or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing, and corpus fibrosum is felt or cotton felt or chemical fiber felt or other vegetable fibre.
In order to achieve the above object, the 4th kind of technical scheme of the present invention is: a kind of screw elevator, comprise casing, motor, the deceleration assembly, the plane needle bearing, screw mandrel and nut, motor is in transmission connection by deceleration assembly and screw mandrel, screw mandrel and nut engagement, screw mandrel passes through the bearing rotational support on casing, described deceleration assembly comprises driving gear that is in transmission connection with motor output shaft and the big gear wheel of captiveing joint with screw mandrel, driving gear and big gear wheel engagement, corpus fibrosum or sponge are housed on the inserts of described big gear wheel or the boss, described corpus fibrosum or sponge contact with periphery to the small part of plane needle bearing, and described corpus fibrosum or sponge are bonded in the periphery of the inserts of big gear wheel.
In order to refuel for more equably the plane needle bearing, described corpus fibrosum or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing, and corpus fibrosum is felt or cotton felt or chemical fiber felt or other vegetable fibre.
In order to achieve the above object, the 5th kind of technical scheme of the present invention is: a kind of screw elevator, comprise casing, motor, the deceleration assembly, the plane needle bearing, screw mandrel and nut, motor is in transmission connection by deceleration assembly and screw mandrel, screw mandrel and nut engagement, screw mandrel passes through the bearing rotational support on casing, described deceleration assembly comprises driving gear that is in transmission connection with motor output shaft and the big gear wheel of captiveing joint with screw mandrel, driving gear and big gear wheel engagement, the inwall of described casing is equipped with corpus fibrosum or sponge, described corpus fibrosum or sponge contact with periphery to the small part of plane needle bearing, the inwall that is positioned at needle bearing periphery place, plane of described casing is provided with fence, and described corpus fibrosum or sponge are placed in the fence.
In order to refuel for more equably the plane needle bearing, described corpus fibrosum or sponge are rounded, and the part of its circular circumference contacts with the periphery of plane needle bearing, and corpus fibrosum is felt or cotton felt or chemical fiber felt or other vegetable fibre.
After adopting said structure, because corpus fibrosum or sponge are being housed on the inwall of casing or on the inserts of big gear wheel or the boss, corpus fibrosum or sponge contact with periphery to the small part of plane needle bearing, the lubricating oil of in corpus fibrosum or sponge, preserving, can soak into by the periphery of plane needle bearing and enter in the needle bearing of plane, keep the plane needle bearing to work containing under the oil condition all the time, and lubricating between the retainer endoporus of maintenance plane needle bearing and the screw mandrel periphery, the black powder that produces because of wearing and tearing can progress in corpus fibrosum or the sponge simultaneously, reduce abrasive wear, improved the life-span of plane needle bearing.Facts have proved that screw elevator of the present invention improves more than 4 times in its life-span under the equal service conditions than the life-span of existing screw elevator.
Description of drawings
The present invention is further detailed explanation below in conjunction with embodiment that accompanying drawing provides.
Fig. 1 is the structure front elevation of first embodiment of screw elevator of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the right elevation of Fig. 1;
Fig. 4 is the cutaway view of Fig. 1 along the A-A line;
Fig. 5 is the I portion enlarged drawing of Fig. 4;
Fig. 6 is the cutaway view along the B-B line of Fig. 4;
Fig. 7 is the structural representation of the 3rd embodiment of screw elevator of the present invention;
Fig. 8 is the structure front elevation of the 5th embodiment of screw elevator of the present invention;
Fig. 9 is the cutaway view of Fig. 8 along the C-C line.
The specific embodiment
As Fig. 1,2,3,4, shown in 5, it is first embodiment of the present invention: a kind of screw elevator, comprise casing 1, motor 10, the deceleration assembly, plane needle bearing 9, screw mandrel 5 and nut 6, motor 10 is in transmission connection by deceleration assembly and screw mandrel 5, screw mandrel 5 and nut 6 engagements, screw mandrel 5 is by bearing 8,8 ' rotational support is on casing 1, described deceleration assembly comprises driving gear that is in transmission connection with motor 10 output shafts and the big gear wheel 4 of captiveing joint with screw mandrel 5, driving gear and big gear wheel 4 engagements, corpus fibrosum 2 or sponge are housed on the inwall of described casing 1, described corpus fibrosum 2 or sponge contact with periphery to the small part of plane needle bearing 9, fixed mount 3 also is housed on the inwall of described casing 1, and described corpus fibrosum 2 or sponge are fixing by fixed mount 3.
Shown in Fig. 4,5,6, in order to refuel for more equably the plane needle bearing, described corpus fibrosum 2 or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing 9, and corpus fibrosum 2 is felt or cotton felt or chemical fiber felt or other vegetable fibre.Certainly, corpus fibrosum 2 or sponge also can be square or other shape, as long as contact with periphery to the small part of plane needle bearing 9.
Shown in Fig. 5,6, be connected in order to save installing space and to guarantee to stablize, the inner ring semicircular in shape of described fixed mount 3 or " U " shape, fixed mount 3 is captiveed joint by screw 11 with the reinforced rib 1-1 of casing 1.Fixed mount 3 also can be connected with other position of casing 1.
As shown in Figure 4, also be fixedly connected with fall way 7 on the described nut 6.Also can not establish fall way 7.
(present embodiment is diagram not for second embodiment of the present invention, can be referring to Fig. 4,5): a kind of screw elevator, comprise casing 1, motor 10, the deceleration assembly, plane needle bearing 9, screw mandrel 5 and nut 6, motor 10 is in transmission connection by deceleration assembly and screw mandrel 5, screw mandrel 5 and nut 6 engagements, screw mandrel 5 is by bearing 8,8 ' rotational support is on casing 1, described deceleration assembly comprises driving gear that is in transmission connection with motor 10 output shafts and the big gear wheel 4 of captiveing joint with screw mandrel 5, driving gear and big gear wheel 4 engagements, corpus fibrosum 2 or sponge are housed on the inwall of described casing 1, described corpus fibrosum 2 or sponge contact with periphery to the small part of plane needle bearing 9, and described corpus fibrosum 2 or sponge are bonded on the inwall of casing 1.
Shown in 6, in order to refuel for more equably the plane needle bearing, described corpus fibrosum 2 or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing 9, and corpus fibrosum 2 is felt or cotton felt or chemical fiber felt or other vegetable fibre.Certainly, corpus fibrosum 2 or sponge also can be square or other shape, as long as contact with periphery to the small part of plane needle bearing 9.
As shown in Figure 7, the 3rd embodiment of the present invention: a kind of screw elevator, comprise casing 1, motor 10, the deceleration assembly, plane needle bearing 9, screw mandrel 5 and nut 6, motor 10 is in transmission connection by deceleration assembly and screw mandrel 5, screw mandrel 5 and nut 6 engagements, screw mandrel 5 is by bearing 8,8 ' rotational support is on casing 1, described deceleration assembly comprises driving gear that is in transmission connection with motor 10 output shafts and the big gear wheel 4 of captiveing joint with screw mandrel 5, driving gear and big gear wheel 4 engagements, on the inserts 4-1 of described big gear wheel 4 or the boss corpus fibrosum 2 or sponge are housed, described corpus fibrosum 2 or sponge contact with periphery to the small part of plane needle bearing 9, on the inserts 4-1 of described big gear wheel 4 fixed mount 3 ' is housed also, described corpus fibrosum 2 or sponge are fixing by fixed mount 3 '.
In order to refuel for more equably the plane needle bearing, described corpus fibrosum 2 or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing 9, and corpus fibrosum 2 is felt or cotton felt or chemical fiber felt or other vegetable fibre.Certainly, corpus fibrosum 2 or sponge also can be square or other shape, as long as contact with periphery to the small part of plane needle bearing 9.
(present embodiment is diagram not for the 4th embodiment of the present invention, can be referring to Fig. 7): a kind of screw elevator, comprise casing 1, motor 10, the deceleration assembly, plane needle bearing 9, screw mandrel 5 and nut 6, motor 10 is in transmission connection by deceleration assembly and screw mandrel 5, screw mandrel 5 and nut 6 engagements, screw mandrel 5 is by bearing 8,8 ' rotational support is on casing 1, described deceleration assembly comprises driving gear that is in transmission connection with motor 10 output shafts and the big gear wheel 4 of captiveing joint with screw mandrel 5, driving gear and big gear wheel 4 engagements, on the inserts 4-1 of described big gear wheel 4 or the boss corpus fibrosum 2 or sponge are housed, described corpus fibrosum 2 or sponge contact with periphery to the small part of plane needle bearing 9, and described corpus fibrosum 2 or sponge are bonded in the periphery of the inserts 4-1 of big gear wheel 4.
In order to refuel for more equably the plane needle bearing, described corpus fibrosum 2 or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing 9, and corpus fibrosum 2 is felt or cotton felt or chemical fiber felt or other vegetable fibre.Certainly, corpus fibrosum 2 or sponge also can be square or other shape, as long as contact with periphery to the small part of plane needle bearing 9.
As Fig. 8, shown in 9, the 5th embodiment of the present invention: a kind of screw elevator, comprise casing 1, motor 10, the deceleration assembly, plane needle bearing 9, screw mandrel 5 and nut 6, motor 10 is in transmission connection by deceleration assembly and screw mandrel 5, screw mandrel 5 and nut 6 engagements, screw mandrel 5 is by bearing 8,8 ' rotational support is on casing 1, described deceleration assembly comprises driving gear that is in transmission connection with motor 10 output shafts and the big gear wheel 4 of captiveing joint with screw mandrel 5, driving gear and big gear wheel 4 engagements, the inwall of described casing 1 is equipped with corpus fibrosum 2 or sponge, described corpus fibrosum 2 or sponge contact with periphery to the small part of plane needle bearing 9, the inwall that is positioned at plane needle bearing 9 periphery places of described casing 1 is provided with fence 1-2, and described corpus fibrosum 2 or sponge are placed in the fence 1-2.
In order to refuel for more equably the plane needle bearing, described corpus fibrosum 2 or sponge are rounded, and the part of its circular circumference contacts with the periphery of plane needle bearing 9, and corpus fibrosum 2 is felt or cotton felt or chemical fiber felt or other vegetable fibre.Certainly, corpus fibrosum 2 or sponge also can be square or other shape, as long as contact with periphery to the small part of plane needle bearing 9.
As shown in Figure 4, when the present invention works, with first embodiment of the present invention is example, the lubricating oil of preserving in corpus fibrosum 2 or sponge can soak into by the periphery of plane needle bearing 9 and enter in the plane needle bearing 9, keep plane needle bearing 9 to work containing under the oil condition all the time, and lubricating between the retainer endoporus of maintenance plane needle bearing 9 and screw mandrel 5 peripheries, the black powder that produces because of wearing and tearing can progress in corpus fibrosum 2 or the sponge simultaneously.
Claims (11)
1, a kind of screw elevator, comprise casing (1), motor (10), deceleration assembly, plane needle bearing (9), screw mandrel (5) and nut (6), motor (10) is in transmission connection by deceleration assembly and screw mandrel (5), screw mandrel (5) and nut (6) engagement, screw mandrel (5) passes through bearing (8,8 ') rotational support on casing (1), described deceleration assembly comprises driving gear that is in transmission connection with motor (10) output shaft and the big gear wheel (4) of captiveing joint with screw mandrel (5), driving gear and big gear wheel (4) engagement is characterized in that:
Corpus fibrosum (2) or sponge are housed on the inwall of a, described casing (1),
B, described corpus fibrosum (2) or sponge contact with periphery to the small part of plane needle bearing (9),
Fixed mount (3) also is housed on the inwall of c, described casing (1),
D, described corpus fibrosum (2) or sponge are fixing by fixed mount (3).
2, screw elevator according to claim 1, it is characterized in that: described corpus fibrosum (2) or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing (9), and corpus fibrosum (2) is felt or cotton felt or chemical fiber felt or other vegetable fibre.
3, screw elevator according to claim 1 is characterized in that: the inner ring semicircular in shape of described fixed mount (3) or " U " shape, fixed mount (3) is captiveed joint by screw (11) with the reinforced rib (1-1) of casing (1).
4, a kind of screw elevator, comprise casing (1), motor (10), deceleration assembly, plane needle bearing (9), screw mandrel (5) and nut (6), motor (10) is in transmission connection by deceleration assembly and screw mandrel (5), screw mandrel (5) and nut (6) engagement, screw mandrel (5) passes through bearing (8,8 ') rotational support on casing (1), described deceleration assembly comprises driving gear that is in transmission connection with motor (10) output shaft and the big gear wheel (4) of captiveing joint with screw mandrel (5), driving gear and big gear wheel (4) engagement is characterized in that:
Corpus fibrosum (2) or sponge are housed on the inwall of a, described casing (1),
B, described corpus fibrosum (2) or sponge contact with periphery to the small part of plane needle bearing (9),
C, described corpus fibrosum (2) or sponge are bonded on the inwall of casing (1).
5, screw elevator according to claim 4, it is characterized in that: described corpus fibrosum (2) or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing (9), and corpus fibrosum (2) is felt or cotton felt or chemical fiber felt or other vegetable fibre.
6, a kind of screw elevator, comprise casing (1), motor (10), deceleration assembly, plane needle bearing (9), screw mandrel (5) and nut (6), motor (10) is in transmission connection by deceleration assembly and screw mandrel (5), screw mandrel (5) and nut (6) engagement, screw mandrel (5) passes through bearing (8,8 ') rotational support on casing (1), described deceleration assembly comprises driving gear that is in transmission connection with motor (10) output shaft and the big gear wheel (4) of captiveing joint with screw mandrel (5), driving gear and big gear wheel (4) engagement is characterized in that:
On the inserts (4-1) of a, described big gear wheel (4) or the boss corpus fibrosum (2) or sponge are housed,
B, described corpus fibrosum (2) or sponge contact with periphery to the small part of plane needle bearing (9),
On the inserts (4-1) of c, described big gear wheel (4) fixed mount (3 ') is housed also,
D, described corpus fibrosum (2) or sponge are fixing by fixed mount (3 ').
7, screw elevator according to claim 6, it is characterized in that: described corpus fibrosum (2) or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing (9), and corpus fibrosum (2) is felt or cotton felt or chemical fiber felt or other vegetable fibre.
8, a kind of screw elevator, comprise casing (1), motor (10), deceleration assembly, plane needle bearing (9), screw mandrel (5) and nut (6), motor (10) is in transmission connection by deceleration assembly and screw mandrel (5), screw mandrel (5) and nut (6) engagement, screw mandrel (5) passes through bearing (8,8 ') rotational support on casing (1), described deceleration assembly comprises driving gear that is in transmission connection with motor (10) output shaft and the big gear wheel (4) of captiveing joint with screw mandrel (5), driving gear and big gear wheel (4) engagement is characterized in that:
On the inserts (4-1) of a, described big gear wheel (4) or the boss corpus fibrosum (2) or sponge are housed,
B, described corpus fibrosum (2) or sponge contact with periphery to the small part of plane needle bearing (9),
C, described corpus fibrosum (2) or sponge are bonded in the periphery of the inserts (4-1) of big gear wheel (4).
9, screw elevator according to claim 8, it is characterized in that: described corpus fibrosum (2) or sponge are annular arrangement or open circles annular, the inner ring of its annular arrangement or open circles annular contacts with the periphery of plane needle bearing (9), and corpus fibrosum (2) is felt or cotton felt or chemical fiber felt or other vegetable fibre.
10, a kind of screw elevator, comprise casing (1), motor (10), deceleration assembly, plane needle bearing (9), screw mandrel (5) and nut (6), motor (10) is in transmission connection by deceleration assembly and screw mandrel (5), screw mandrel (5) and nut (6) engagement, screw mandrel (5) passes through bearing (8,8 ') rotational support on casing (1), described deceleration assembly comprises driving gear that is in transmission connection with motor (10) output shaft and the big gear wheel (4) of captiveing joint with screw mandrel (5), driving gear and big gear wheel (4) engagement is characterized in that:
The inwall of a, described casing (1) is equipped with corpus fibrosum (2) or sponge,
B, described corpus fibrosum (2) or sponge contact with periphery to the small part of plane needle bearing (9),
The inwall that is positioned at plane needle bearing (9) periphery place of c, described casing (1) is provided with fence (1-2),
D, described corpus fibrosum (2) or sponge are placed in the fence (1-2).
11, screw elevator according to claim 10, it is characterized in that: described corpus fibrosum (2) or sponge are rounded, the part of its circular circumference contacts with the periphery of plane needle bearing (9), and corpus fibrosum (2) is felt or cotton felt or chemical fiber felt or other vegetable fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100302227A CN101519179B (en) | 2009-03-23 | 2009-03-23 | Screw lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100302227A CN101519179B (en) | 2009-03-23 | 2009-03-23 | Screw lift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101519179A true CN101519179A (en) | 2009-09-02 |
| CN101519179B CN101519179B (en) | 2012-08-22 |
Family
ID=41080010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100302227A Expired - Fee Related CN101519179B (en) | 2009-03-23 | 2009-03-23 | Screw lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101519179B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823621A (en) * | 2010-04-14 | 2010-09-08 | 王树生 | Forked member and nut structure of forked guide rail used in screw elevator |
| CN103604033A (en) * | 2013-12-02 | 2014-02-26 | 中煤能源黑龙江煤化工有限公司 | Bearing lubricating system of coal mill |
| CN103658497A (en) * | 2013-12-30 | 2014-03-26 | 江苏金源锻造股份有限公司 | Automatic lifting mechanism for forge charging |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2474805Y (en) * | 2001-02-28 | 2002-01-30 | 御豹企业股份有限公司 | Improved oil pressure buffer capable of raising efficiency |
| CN100513294C (en) * | 2007-02-13 | 2009-07-15 | 戴焕平 | Screw lifter |
| KR20090005414A (en) * | 2007-07-09 | 2009-01-14 | (주)휴모테크 | Structure of shafting for extended life of rotor |
| CN201390630Y (en) * | 2009-03-23 | 2010-01-27 | 戴焕平 | Screw stem lifter |
-
2009
- 2009-03-23 CN CN2009100302227A patent/CN101519179B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823621A (en) * | 2010-04-14 | 2010-09-08 | 王树生 | Forked member and nut structure of forked guide rail used in screw elevator |
| CN103604033A (en) * | 2013-12-02 | 2014-02-26 | 中煤能源黑龙江煤化工有限公司 | Bearing lubricating system of coal mill |
| CN103658497A (en) * | 2013-12-30 | 2014-03-26 | 江苏金源锻造股份有限公司 | Automatic lifting mechanism for forge charging |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101519179B (en) | 2012-08-22 |
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Granted publication date: 20120822 Termination date: 20180323 |
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