CN104591031A - Material lifting device - Google Patents
Material lifting device Download PDFInfo
- Publication number
- CN104591031A CN104591031A CN201510078817.5A CN201510078817A CN104591031A CN 104591031 A CN104591031 A CN 104591031A CN 201510078817 A CN201510078817 A CN 201510078817A CN 104591031 A CN104591031 A CN 104591031A
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- CN
- China
- Prior art keywords
- outer sleeve
- lifting device
- leading screw
- material lifting
- sleeve
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
Abstract
The invention provides a material lifting device. The material lifting device comprises a power unit, a lifting mechanism, an outer sleeve, an inner sleeve and a material conveying mechanism, wherein the power output end of the power unit is connected with the power inlet end of the lifting mechanism; the inner sleeve is sleeved with the outer sleeve; the material conveying mechanism is fixedly connected with the outer sleeve; the lifting mechanism is arranged inside the inner sleeve, and is used for driving the outer sleeve to do axial movement. Since lots of impurities, such as oil contaminations or iron filings, can be generated when the lifting mechanism is in operation, the impurities can be effectively prevented from polluting the environment of a clean room by arranging the lifting mechanism inside the inner sleeve.
Description
Technical field
The present invention relates to the material lifting technical field in pharmaceutical factory, especially relate to a kind of material lifting device.
Background technology
Pharmaceutical production has strict requirement to environment, generally all requires to produce at clean room.So-called clean room refers to the room or region that need to control grit in environment and microbial contamination, its building structure, equipment and use thereof all have prevent this region internal contamination thing introducing, generation and delay function.Clean area needed for aseptic medicine production can be divided into following four ranks.
A level: excessive risk operational zone, as filling district, places plug bucket, open ampoules bottle, the region of uncovered cillin bottle and the region of aseptic assembling or attended operation or room.Usual laminar flow operator's station maintains the ambient condition in this district.
B level: refer to sterile preparation and the background area residing for filling contour risk operations A level district.
C level and D level: refer to produce the clean operational zone that in aseptic medicine process, desirability is more secondary.
The inside face of the clean room in pharmaceutical production should smooth, smooth, free from flaw, interface tight, come off without particulate matter, avoid laying dust, be convenient to effectively clean; Various equipment surface in clean room want scrub, avoid the appearance of greasy dirt, dust etc.
At clean room, usually need to utilize bont that medicinal powder or plug are risen to higher position, and the small-sized material perpendicular lifting apparatus used in prior art, generally comprise: electrical motor, conveyer and lifting bucket, conveyer used is generally chain or tooth plate.Medicinal powder or plug are placed on and promote in bucket, drive chain or tooth plate oscilaltion by electrical motor, thus drive lifting bucket to rise or decline, reach object medicinal powder or plug being risen to eminence.
In use, chain or tooth plate are in open state to above-mentioned material lifting device all the time, and therefore when improving material, the greasy dirt on chain or tooth plate or other impurity are easy to the environment polluting clean room; And above-mentioned material lifting device adopts mechanical drive, this just unavoidably there will be a lot of friction casts, and such as: iron filings, chain oils, these casts also have larger impact to the environment of clean room.
Summary of the invention
The object of the present invention is to provide a kind of material lifting device, with solve exist in prior art when improving material, because the transmission device such as chain or tooth plate is in open state all the time, therefore in use, chain or the fricative iron filings of tooth plate, or other impurity such as greasy dirt, can to the technical matters of the environment of clean room.
A kind of material lifting device provided by the invention, comprising: power unit, lifting mechanism, outer sleeve, inner sleeve and material conveyer; The clutch end of described power unit is connected with the power intake of described lifting mechanism, and described outer sleeve is set in the outside of described inner sleeve, and described material conveyer is fixedly connected with described outer sleeve; It is inner that described lifting mechanism is arranged on described inner sleeve, and described lifting mechanism drives described outer sleeve axial motion.
Further, the described lifting mechanism attaching parts that comprises leading screw and coordinate with this leading screw; Described attaching parts is fixedly connected with the inwall of described outer sleeve.
Optimally, also comprise leading screw ripple protecting jacket, described leading screw ripple protecting jacket is set in outside described leading screw.
Optimally, the guiding mechanism for stoping described outer sleeve to rotate also is comprised.
Further, described guiding mechanism comprises guidepost and guide arm, and described guidepost is provided with slideway; One end of described guide arm is arranged in described slideway, and the other end of described guide arm is arranged on the outer wall of described outer sleeve.
Optimally, described guiding mechanism also comprises the collar, and the described collar is fixedly connected with one end of described guide arm, and the described collar is set on the outer wall of described outer sleeve.
Further, what described material conveyer comprised material barrel, hold-down arm and was used for fixing described material barrel grabs bucket folder, and one end of described hold-down arm is connected with the outer wall of described outer sleeve, and the other end of described hold-down arm presss from both sides be connected with described bucket of grabbing.
Optimally, described in grab bucket folder and connect in the mode that can relatively overturn with described hold-down arm, and described material lifting device also comprises the driver element of to grab bucket folder described in drive and overturning.
Optimally, between described inner sleeve and described outer sleeve, seal ring is provided with.
Further, also comprise support, described inner sleeve, described power unit and described guiding mechanism are all arranged on the bracket.
A kind of material lifting device provided by the invention, comprising: power unit, lifting mechanism, outer sleeve, inner sleeve and material conveyer; Lifting mechanism is arranged on the inside of inner sleeve, outer sleeve is arranged on the outside of inner sleeve, and material conveyer is connected with the outer wall of outer sleeve, and lifting mechanism is connected with the inwall of outer sleeve, power unit can drive lifting mechanism to pump, thus realizes lifting and the decline of material.Due to lifting mechanism operationally, the impurity such as more greasy dirt or iron filings can be produced, therefore lifting mechanism is arranged on inner sleeve inside, effectively can avoids the environment of these contaminating impurity clean rooms.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is front view when material lifting device that the embodiment of the present invention provides is positioned at a certain height;
Fig. 2 is the cutaway view of the material lifting device shown in Fig. 1;
Fig. 3 is front view when material lifting device that the embodiment of the present invention provides is positioned at highest point;
Fig. 4 is the cutaway view of the material lifting device shown in Fig. 3.
Reference numeral:
1-outer sleeve; 2-inner sleeve; 3-material conveyer;
31-hold-down arm; 32-grabs bucket folder; 33-material barrel;
4-leading screw; 5-leading screw ripple protecting jacket; 6-attaching parts;
7-guiding mechanism; 71-guidepost; 72-guide arm;
The 73-collar; 8-power unit; 9-support;
10-round platform; 11-column; 12-seal ring.
Detailed description of the invention
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, particular case above-mentioned term concrete meaning in the present invention can be understood.
Fig. 1 is front view when material lifting device that the embodiment of the present invention provides is positioned at a certain height; Fig. 2 is the cutaway view of the material lifting device shown in Fig. 1; Fig. 3 is front view when material lifting device that the embodiment of the present invention provides is positioned at highest point; Fig. 4 is the cutaway view of the material lifting device shown in Fig. 3.
As Figure 1-4, a kind of material lifting device provided by the invention, comprising: power unit 8, lifting mechanism, outer sleeve 1, inner sleeve 2 and material conveyer 3; The clutch end of power unit 8 is connected with the power intake of lifting mechanism, and outer sleeve 1 is set in the outside of inner sleeve 2, and material conveyer 3 is fixedly connected with outer sleeve 1; It is inner that lifting mechanism is arranged on inner sleeve 2, and lifting mechanism drives outer sleeve 1 axial motion.
Power unit 8 can have multiple choices, such as: electrical motor, hydraulic compressor, spark ignition engine or combustion engine, etc.It should be noted that, every equipment that can provide power support to material lifting device, can as the power unit 8 of embodiment.Also it should be noted that, power unit 8 should have the function rotated and reverse simultaneously.
Lifting mechanism can have multiple choices, such as: gear transmission, chain gear or belt-driving, etc.It should be noted that, every mechanism that outer sleeve 1 can be driven to move vertically can as the lifting mechanism of the present embodiment indication.
Material conveyer 3 also can have multiple choices, every article-containing that can be used for, and mechanism that can be fixing with outer sleeve 1 can be the material conveyer 3 of the present embodiment indication.
Inner sleeve 2, for being fixedly installed, can not move with the motion of lifting mechanism, also can not move with the motion of outer sleeve 1.
If when power unit 8 rotates forward, drive material conveyer 3 to rise, when so power unit 8 reverses, material conveyer 3 will be driven to decline; If when power unit 8 reverses, drive material conveyer 3 to rise, when so power unit 8 rotates forward, material conveyer 3 will be driven to decline.Following when rotating forward with power unit 8, drive material conveyer 3 to rise, when power unit 8 reverses, drive material conveyer 3 to drop to example explanation.
When the material lifting device conveying articles using the present embodiment to provide, if need article to rise to certain height, so first, need article to be hoisted to put in material conveyer 3, then power unit 8 is started, power unit 8 rotates forward and lifting mechanism can be driven to move by certain direction, and the motion of lifting mechanism can drive outer sleeve 1 to rise, because material conveyer 3 is fixedly connected with outer sleeve 1, therefore the rising of outer sleeve 1 can drive material conveyer 3 to move up simultaneously, finally reach object article to be hoisted being transported to specified altitude assignment.
When power unit 8 reverses, lifting mechanism can be driven by other direction motion, thus drive outer sleeve 1 to decline, material conveyer 3 moves down the most at last, waits until and promotes article use next time.
A kind of material lifting device provided by the invention, lifting mechanism is arranged on the inside of inner sleeve 2, outer sleeve 1 is arranged on the outside of inner sleeve 2, material conveyer 3 is connected with the outer wall of outer sleeve 1, lifting mechanism is connected with the inwall of outer sleeve 1, power unit 8 can drive lifting mechanism to pump, thus realizes lifting and the decline of material.Due to lifting mechanism operationally, the impurity such as more greasy dirt or iron filings can be produced, therefore lifting mechanism is arranged on inner sleeve 2 inner, effectively can avoids the environment of these contaminating impurity clean rooms; Lifting mechanism is arranged on inner sleeve 2 inner simultaneously, the working environment of a relative clean can also be provided to lifting mechanism, thus reduce cost that is clean, that maintain and safeguard.
On the basis of above-described embodiment, particularly, the lifting mechanism attaching parts 6 that comprises leading screw 4 and coordinate with this leading screw 4; Attaching parts 6 is fixedly connected with the inwall of outer sleeve 1.
Attaching parts 6 matches with leading screw 4 and refers to: when leading screw 4 starts to rotate, and attaching parts 6 can be lower mobile in its surface.If leading screw 4 clickwise, so attaching parts 6 moves up, if leading screw 4 left-hand revolution, so attaching parts 6 moves down; Similarly, if during leading screw 4 clickwise, attaching parts 6 moves down along its surface, and so when leading screw 4 left-hand revolution, attaching parts 6 just should move up along the surface of leading screw 4.
Attaching parts 6 can be as a whole with leading screw 4, that is, one-body molded, is a part for leading screw 4; Also can leading screw 4 be two independent components relatively, but must can realize the function that moves up and down along with the rotation of leading screw 4.
Attaching parts 6 can be the slide block of ring-type, and the inwall of slide block is connected with leading screw 4, and outer wall is connected with the inwall of outer sleeve 1.
Attaching parts 6 can also be bearing, and the inwall of bearing is connected with leading screw 4, and outer wall is connected with the inwall of outer sleeve 1.
Attaching parts 6 is fixedly connected with outer sleeve 1, and this mode be fixedly connected with can have a variety of selection, such as: weld, rivet, be bolted, etc.
Leading screw 4 generally includes trapezoidal screw and ball-screw.
The feature of trapezoidal screw is that cost is lower, installation is simple, structure is uncomplicated, keeps in repair more for convenience.
As the preferred scheme of one, the leading screw 4 of the present embodiment adopts ball-screw.The feature of ball-screw is that friction coefficient is little, dynamic response fast, be easy to control, precision is higher; Ball-screw in process of production, applies predetermincd tension between raceway and pearl, can eliminate gap, so ball-screw can reach blind-mate.
On the basis of above-described embodiment, particularly, also comprise leading screw ripple protecting jacket 5, leading screw ripple protecting jacket 5 is set in outside leading screw 4.
One end of leading screw ripple protecting jacket 5 is fixed on the upper end of leading screw 4, the other end is fixed on outer sleeve 1, when outer sleeve 1 upward movement, leading screw ripple protecting jacket 5 can be compressed, when outer sleeve 1 moves downward, due to the effect of inertia, leading screw ripple protecting jacket 5 can trail, thus leading screw 4 can be wrapped up, avoid the impurity such as the iron filings that produce during its work or greasy dirt, pollute the environment of clean room.
As the preferred scheme of one, as shown in Figure 2 and Figure 4, the material lifting device that the present embodiment provides also comprises round platform 10 and column 11, one end of column 11 is fixedly connected with inner sleeve 2, and the other end is fixedly connected with round platform 10, and is provided with through hole on attaching parts 6, attaching parts 6 can be passed to make column 11, attaching parts 6 can move up and down along column 11 simultaneously, and column 11 and leading screw 4 are all arranged on the inside of leading screw ripple protecting jacket 5, and the upper end of leading screw 4 does not contact with round platform 10.
Adopt said structure, when outer sleeve 1 upward movement, leading screw ripple protecting jacket 5 can be compressed, when outer sleeve 1 moves downward, can be stretched leading screw ripple protecting jacket 5, this ensures that leading screw 4 is wrapped up by leading screw ripple protecting jacket 5 all the time like this, thus avoids the environment of the contaminating impurity such as grease, iron filings clean room; Leading screw ripple protecting jacket 5 does not contact with leading screw 4, therefore can avoid when leading screw 4 moves, and leading screw ripple protecting jacket 5 rotates together with leading screw 4 and the appearance of the situation such as damage or knotting of leading screw ripple protecting jacket 5 that causes.
It should be noted that, the quantity of column 11 is four, and is uniformly distributed.
On the basis of above-described embodiment, particularly, the guiding mechanism 7 for stoping outer sleeve 1 to rotate also is comprised.
As the preferred scheme of one, particularly, guiding mechanism 7 should be fixedly installed, irremovable.
As the preferred scheme of one, guiding mechanism 7 and material movement organization establishes are in the both sides of outer sleeve 1.
Move up or down because outer sleeve 1 to be drive by leading screw 4 by attaching parts 6, therefore outer sleeve 1 likely can rotate along with the rotation of leading screw 4, guiding mechanism 7 is set, effectively can avoid the generation of this situation, thus guarantee that material conveyer 3 can pump along same plane.
On the basis of above-described embodiment, particularly, guiding mechanism 7 comprises guidepost 71 and guide arm 72, and guidepost 71 is provided with slideway; One end of guide arm 72 is arranged in slideway, and the other end of guide arm 72 is arranged on the outer wall of outer sleeve 1.
As the preferred scheme of one, one end of guide arm 72 is fixedly installed on the outer wall of outer sleeve 1.The mode be fixedly connected with has a variety of selection, preferably, adopts the mode of welding to be fixed on outer sleeve 1 by guide arm 72.
It should be noted that, when outer sleeve 1 upward movement, guide arm 72 moves up along slideway in guidepost 71, and when outer sleeve 1 moves downward, guide arm 72 moves down along slideway in guidepost 71.
On the basis of above-described embodiment, as the preferred scheme of one, particularly, as Figure 1-4, guiding mechanism 7 also comprises the collar 73, and the collar 73 is fixedly connected with one end of guide arm 72, and the collar 73 is set on the outer wall of outer sleeve 1.
The collar 73 is fixedly connected with one end of guide arm 72, can illustrate: the collar 73 with guide arm 72 for integral type designs, that is, the collar 73 and the as a whole structure of guide arm 72; Can also illustrate: the collar 73 and guide arm 72 are split-type design, that is, the collar 73 and guide arm 72 are two independent components.
The mode be fixedly connected with has a variety of selection, such as: welding or riveted joint, etc.
Adopt the collar 73 to be fixedly connected with outer sleeve 1, because the collar 73 be circular, on the whole outer wall being set in outer sleeve 1, therefore the area of contact of itself and outer sleeve 1 is comparatively greatly, make stressed more evenly, better support effect can be reached.
On the basis of above-described embodiment, particularly, as Figure 1-4, material conveyer 3 comprise material barrel 33, hold-down arm 31 and be used for fixing material barrel 33 grab bucket folder 32, one end of hold-down arm 31 is connected with the outer wall of outer sleeve 1, the other end of hold-down arm 31 with grab bucket and press from both sides 32 and be connected.
Hold-down arm 31 adopts the mode be fixedly connected with to be connected with outer sleeve 1, and what make to fix is more firm, is not easy to come off.
As the preferred scheme of one, one end of hold-down arm 31 is provided with the collar 73, and this collar 73 is set on the outer wall of outer sleeve 1.
The article needing to promote can be placed in material barrel 33, such as: plug, medicinal powder or medicine bottle, etc.
Hold-down arm 31 also can be fixedly connected with to grab connection mode that bucket presss from both sides 32 can be that detouchable is connected.
Pressing from both sides 32 fixture charging baskets 33 with grabbing bucket, not only can fixedly secure, not making material barrel 33 come off in use, can also conveniently fetch material barrel 33.
On the basis of above-described embodiment, as the preferred scheme of one, particularly, grab bucket folder 32 and connect in the mode that can relatively overturn with hold-down arm 31, and material lifting device also comprises the driver element driving and grab bucket folder 32 upset.
Driver element comprises the unit that can make to grab bucket folder 32 upset, such as: gear drive or chain drive, etc.
Driver element also comprises power unit 8, such as: electrical motor, combustion engine or hydraulic compressor, etc.
As the preferred scheme of one, the material lifting device that the present embodiment provides only has a power unit 8.
On the basis of above-described embodiment, particularly, between inner sleeve 2 and outer sleeve 1, seal ring 12 is provided with.
As the preferred scheme of one, as shown in Figure 2, seal ring 12 is ring-type; The outer wall of inner sleeve 2 is provided with a circle groove, and a part for seal ring 12 is embedded in this groove, and the outer wall of seal ring 12 contacts with the inwall of outer sleeve 1.Seal ring 12 is mainly used to fill the space between outer sleeve 1 and inner sleeve 2, and when inner sleeve 2 moves up or down outer sleeve 1 relatively, seal ring 12 and the interior wall friction of outer sleeve 1, reach inner sleeve 2 airtight effect relative to outer sleeve 1.
Between inner sleeve 2 and outer sleeve 1, install seal ring 12, effectively can reduce the friction force that inner sleeve 2 and outer sleeve 1 produce when relative motion, friction coefficient is more stable; Seal ring 12 has good sealing effectiveness, and along with the increase of pressure can also automatic lifting sealing property; Seal ring 12 resistance to corrosion is strong, long working life, resistance to abrasion are good, to a certain extent can auto-compensation after wearing and tearing.
On the basis of above-described embodiment, particularly, support 9 is also comprised; Inner sleeve 2, power unit 8 and guiding mechanism 7 are all arranged on support 9.
Support 9 plays the effect of fixing inner sleeve 2, guiding mechanism 7, power unit 8 and driver element, and the material lifting device structure that the present embodiment is provided is compacter, and area occupied is less.
On the basis of above-described embodiment, particularly, below support 9, can also pulley be set.Make the movement of material lifting device and push-and-pull convenient.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a material lifting device, is characterized in that, comprising: power unit, lifting mechanism, outer sleeve, inner sleeve and material conveyer; The clutch end of described power unit is connected with the power intake of described lifting mechanism, and described outer sleeve is set in the outside of described inner sleeve, and described material conveyer is fixedly connected with described outer sleeve; It is inner that described lifting mechanism is arranged on described inner sleeve, and described lifting mechanism drives described outer sleeve axial motion.
2. material lifting device according to claim 1, is characterized in that, the attaching parts that described lifting mechanism comprises leading screw and coordinates with this leading screw; Described attaching parts is fixedly connected with the inwall of described outer sleeve.
3. material lifting device according to claim 2, is characterized in that, also comprises leading screw ripple protecting jacket, and described leading screw ripple protecting jacket is set in outside described leading screw.
4. material lifting device according to claim 2, is characterized in that, also comprises the guiding mechanism for stoping described outer sleeve to rotate.
5. material lifting device according to claim 4, is characterized in that, described guiding mechanism comprises guidepost and guide arm, and described guidepost is provided with slideway; One end of described guide arm is arranged in described slideway, and the other end of described guide arm is arranged on the outer wall of described outer sleeve.
6. material lifting device according to claim 5, is characterized in that, described guiding mechanism also comprises the collar, and the described collar is fixedly connected with one end of described guide arm, and the described collar is set on the outer wall of described outer sleeve.
7. material lifting device according to claim 2, it is characterized in that, described material conveyer comprise material barrel, hold-down arm and be used for fixing described material barrel grab bucket folder, one end of described hold-down arm is connected with the outer wall of described outer sleeve, and the other end of described hold-down arm presss from both sides be connected with described bucket of grabbing.
8. to remove the material lifting device described in 7 according to right, it is characterized in that, described in grab bucket folder and connect in the mode that can relatively overturn with described hold-down arm, and described material lifting device also comprises the driver element of to grab bucket folder described in drive and overturning.
9. material lifting device according to claim 2, is characterized in that, between described inner sleeve and described outer sleeve, be provided with seal ring.
10. the material lifting device according to any one of claim 4-9, is characterized in that, also comprises support, and described inner sleeve, described power unit and described guiding mechanism are all arranged on the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078817.5A CN104591031B (en) | 2015-02-13 | 2015-02-13 | A kind of material lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078817.5A CN104591031B (en) | 2015-02-13 | 2015-02-13 | A kind of material lifting device |
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| Publication Number | Publication Date |
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| CN104591031A true CN104591031A (en) | 2015-05-06 |
| CN104591031B CN104591031B (en) | 2017-08-29 |
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|---|---|---|---|
| CN201510078817.5A Active CN104591031B (en) | 2015-02-13 | 2015-02-13 | A kind of material lifting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105640579A (en) * | 2016-02-29 | 2016-06-08 | 江苏美伦影像系统有限公司 | Lifting structure applicable to oral cavity CT |
| CN107720622A (en) * | 2017-10-13 | 2018-02-23 | 大连华锐重工集团股份有限公司 | A kind of comb-tooth-type lumber jack |
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| CN107720622A (en) * | 2017-10-13 | 2018-02-23 | 大连华锐重工集团股份有限公司 | A kind of comb-tooth-type lumber jack |
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| CN104591031B (en) | 2017-08-29 |
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