CN110077976A - A kind of built-in type hoist engine improving conducting ring - Google Patents
A kind of built-in type hoist engine improving conducting ring Download PDFInfo
- Publication number
- CN110077976A CN110077976A CN201910361469.0A CN201910361469A CN110077976A CN 110077976 A CN110077976 A CN 110077976A CN 201910361469 A CN201910361469 A CN 201910361469A CN 110077976 A CN110077976 A CN 110077976A
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- shaft
- reel
- former
- conductive ring
- motor body
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- 230000003014 reinforcing effect Effects 0.000 claims description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 11
- 238000003032 molecular docking Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of built-in type hoist engines for improving conducting ring, for existing reel (2), motor (3), design, which is built, drives outside clinch structure in completely new, reel (2) is arranged and motor (3), by way of shaft (11) is fixed in motor (3), the rotation of driving motor ontology (10), the reel (2) being sheathed on motor body (10) periphery is driven to be rotated in turn, realize the effect of power built-in, simultaneously, electric positive and negative anodes are taken on motor body (10), separately design the setting mutually different positive conductive ring (4) of internal diameter, negative conductive ring (5), cooperate again positive brush (6) and cathode brush (7) respectively with positive conductive ring (4), the mutual sliding contact of negative conductive ring (5), external power supply is introduced to supply motor body (10) Electricity avoids harness winding problem, so directly reduces the space hold of practical application, effectively increase the practical application efficiency of reel (4).
Description
Technical field
The present invention relates to a kind of built-in type hoist engines for improving conducting ring, belong to weight and drag and draw mechanical equipment technical field.
Background technique
Hoist engine is called winch and mainly completes traction work by manpower, motor or hydraulic-driven reel, winding cords
Device.Hoist engine is widely used in the material lifting or flat of machinery, building, hydraulic engineering, forestry, mine, ship, harbour etc.
It drags.Hoist engine tether or chain multi-lay winding, stress is complicated, and use environment is severe.
Existing hoist engine is many kinds of, the composition such as motor, retarder, brake, rack, reel is generally comprised, from whole
It is seen in body structure, the external reel in driving end of motor carries out driving rotation, i.e. left motor, right side reel, and motor is in occupation of one
Segment space, reel are realized in application in occupation of a part of space, would have to space hold needed for considering overall structure
Accordingly just there is certain limitation in area to usage scenario, i.e., can not be applicable in relatively small space.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of built-in type hoist engines for improving conducting ring, using completely new knot
Structure design while turning working method outside drive in realizing, effectively solves the problems, such as that harness is wound by brush mode, improves practical
Application efficiency.
In order to solve the above-mentioned technical problem the present invention uses following technical scheme: the present invention devises a kind of improvement conducting ring
Built-in type hoist engine, including pedestal, reel, motor, positive conductive ring, negative conductive ring, positive brush and cathode brush,
In, motor includes motor body and the shaft through motor body both ends of the surface center, and motor body is located in shaft
Heart position, shaft are rotated under the driving of motor body；The both ends of shaft are fixedly installed on pedestal respectively；
Reel outer surface reel both ends open and is mutually passed through along the direction perpendicular with its axial direction, setting rope groove
It is logical, length of the reel on wherein axis direction, the length greater than motor body in rotor shaft direction, and it is less than the length of shaft
Degree；Reel fixing sleeve is set on motor body using shaft as on the outside one week of axis, and motor body is between reel both ends
Center, the inner wall one week of reel is mutually fixedly connected with one week on the outside of its corresponding motor body position, and in reel
Axis is mutually conllinear with straight line where shaft；
The radius of positive conductive ring and the radius of negative conductive ring are different each other, positive conductive ring, negative conductive ring
It is fixedly installed on motor body on same end face by felt pad respectively, the center location and negative conductive ring of positive conductive ring
Position is overlapped each other in the center of circle, and shaft cross the center location and positive conductive ring where face where face and negative conductive ring
Coplanar with each other, this is coplanar perpendicular with shaft, and the projection in rotor shaft direction is mutually respectively for positive conductive ring, negative conductive ring
It is not overlapped, the anode on motor body is connected to each other with positive conductive ring to be connected to, the cathode on motor body and negative conductive ring phase
It is docked and connected；Wherein one end of positive brush, wherein one end of cathode brush pass through respectively felt pad be fixedly installed in shaft,
Corresponding to the side of positive conductive ring, negative conductive ring, the other end of positive brush is in contact with positive conductive ring surface, cathode
The other end of brush is in contact with negative conductive ring surface, and positive brush does not contact mutually with cathode brush, is based on shaft
With being fixedly connected for pedestal, do not rotate in shaft, under motor body work rotation, the other end of positive brush always only with anode
Conductive ring surface is in contact, and the other end of cathode brush is only in contact with negative conductive ring surface always；
Along its axial direction, setting power cord via hole in shaft, and the both ends of power cord via hole are located inside reel
With outside；Anode, the cathode of external power supply pass through conducting wire respectively and enter inside reel through power cord via hole, by reel outside, and
Dock positive brush respectively, negative electricity paints the end in shaft.
As a preferred technical solution of the present invention: further including left former and right former, wherein the centre bit of left former
Set, shaft through-hole through its two sides is respectively set in the center of right former, the shape of left former and right former, outer diameter are and institute
Shape, the internal diameter for stating reel both ends open mouth are adaptable, and left former, right former are fixedly installed on reel both ends open mouth position respectively
Set, the edge of left former one week, right former edge one week respectively with its set by one phases of edge of reel open ports fixed connect
It connects, the shaft sequentially passes through the shaft through-hole on left former, the shaft through-hole on right former, and shaft through-hole inner wall is distinguished on each former
With its corresponding to be attached between outer wall at rotating shaft position, by bearing.
As a preferred technical solution of the present invention: further including the reinforcing dress for respectively corresponding the left former, right former
It sets, each bracing means includes respectively at least three root range plate reinforcing ribs, and the equal length of former reinforcing rib is in former outer diameter and its
Difference between shaft through-hole internal diameter, each root range plate reinforcing rib in each bracing means are fixedly installed on corresponding former surface respectively, and
Dock the edge of shaft through-hole on set former, the other end on each root range plate reinforcing rib in wherein one end on each root range plate reinforcing rib
It docks equally spaced from each other between adjacent former reinforcing rib same position on the outer edge and each former of set former.
As a preferred technical solution of the present invention: further including tensioner casing, the internal diameter of tensioner casing and the motor
It is adapted on ontology by the outer diameter of axis direction of the shaft, tensioner casing fixing sleeve is set on motor body using shaft as axis
On outside one week, the internal diameter of the outer diameter of tensioner casing and the reel is adapted, and reel fixing sleeve is set to tensioner outside of sleeve one
Zhou Shang, and reel central axes are mutually conllinear with straight line three where tensioner casing central axes and shaft.
As a preferred technical solution of the present invention: the length of the tensioner casing on the motor body along described
Length in rotor shaft direction is adapted, and is set on motor body based on tensioner casing fixing sleeve using shaft as the outside one week of axis
On, the position at tensioner casing both ends respectively with its corresponding to the position at motor body both ends correspond to each other.
As a preferred technical solution of the present invention: further including the open waste oil collecting case in top, waste oil collecting case is set
In the underface of the reel, and the top open ports of waste oil collecting case are straight up towards reel.
A kind of built-in type hoist engine improving conducting ring of the present invention, using above technical scheme and prior art phase
Than having following technical effect that
The designed built-in type hoist engine for improving conducting ring of the invention, for existing reel, motor, design is built in completely new
Outside clinch structure is driven, reel is arranged and motor, by way of shaft is fixed in motor, driving motor ontology turns
It is dynamic, and then the reel being sheathed on motor body periphery is driven to be rotated, realize the effect of power built-in, meanwhile, for electricity
Electric positive and negative anodes are taken on machine ontology, separately design the mutually different positive conductive ring of setting internal diameter, negative conductive ring, then cooperate just
Pole brush and the mutual sliding contact with positive conductive ring, negative conductive ring respectively of cathode brush introduce external power supply to motor
Ontology is powered, and is avoided harness winding problem, is so directly reduced the space hold of practical application, effectively increase volume
The practical application efficiency of cylinder.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the designed built-in type hoist engine for improving conducting ring of the present invention；
Fig. 2 is conducting ring schematic layout pattern in the designed built-in type hoist engine for improving conducting ring of the present invention.
Wherein, 1. pedestal, 2. reels, 3. motors, 4. positive conductive rings, 5. negative conductive rings, 6. positive brushes, 7. cathode
Brush, 8. left formers, 9. right formers, 10. motor bodies, 11. shafts, 12. power cord via holes, 13. bearings, 14. tensioner casings,
15. waste oil collecting case, 16. rope grooves, 17. former reinforcing ribs.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawings of the specification.
The present invention devises a kind of built-in type hoist engine for improving conducting ring, as shown in Figure 1, specifically including pedestal 1, reel
2, motor 3, positive conductive ring 4, negative conductive ring 5, positive brush 6, cathode brush 7, left former 8, right former 9, waste oil collecting
Case 15 and the bracing means for respectively corresponding the left former 8, right former 9, wherein motor 3 include motor body 10 and
Shaft 11 through 10 both ends of the surface center of motor body, motor body 10 are located at the center of shaft 11, and shaft 11 exists
It is rotated under the driving of motor body 10；The both ends of shaft 11 are fixedly installed on pedestal 1 respectively.
2 outer surface of reel is along the direction perpendicular with its axial direction, setting rope groove 16,2 both ends open of reel and phase
Mutually perforation, length of the reel 2 on wherein axis direction, the length greater than motor body 10 on 11 direction of shaft, and be less than
The length of shaft 11；2 fixing sleeve of reel is set on motor body 10 with shaft 11 as on the outside one week of axis, and motor body 10
Center between 2 both ends of reel, the inner wall one week of reel 2 and its corresponding 10 one week position in outside of motor body
It is mutually fixedly connected, and 2 central axes of reel are mutually conllinear with 11 place straight line of shaft.
In practical application, for existing 10 finite volume of motor body, the situation for being not enough to reach 2 internal diameter of reel, into one
Step design introduces tensioner casing 14, and the specific internal diameter for designing tensioner casing 14 is with the shaft 11 on the motor body 10
The outer diameter of axis direction is adapted, and 14 fixing sleeve of tensioner casing is set on motor body 10 with shaft 11 as on the outside one week of axis,
The internal diameter of the outer diameter of tensioner casing 14 and the reel 2 is adapted, and 2 fixing sleeve of reel is set on the outside of tensioner casing 14 on one week,
And 2 central axes of reel are mutually conllinear with 14 central axes of tensioner casing and 11 place straight line three of shaft.
The shaft through-hole through its two sides, left former 8 is respectively set in the center of left former 8, the center of right former 9
It is adapted with the shape of the 2 both ends open mouth of reel, internal diameter with the shape of right former 9, outer diameter, left former 8, right former 9
Be fixedly installed on 2 both ends open mouth position of reel respectively, the edge of left former 8 one week, right former 9 edge one week respectively with its
One phase of edge of set 2 open ports of reel is fixedly connected, and the shaft 11 sequentially passes through shaft through-hole, right width on left former 8
Shaft through-hole on plate 9, and on each former shaft through-hole inner wall respectively with its corresponding between outer wall at 11 position of shaft, pass through axis
13 are held to be attached.
Each bracing means includes respectively at least three root range plate reinforcing ribs 17, and the equal length of former reinforcing rib 17 is in former
Difference between outer diameter and its shaft through-hole internal diameter, each root range plate reinforcing rib 17 in each bracing means are fixedly installed on corresponding width respectively
Plate surface, and the edge of shaft through-hole on set former is docked in wherein one end on each root range plate reinforcing rib 17, each root range plate is reinforced
The other end on muscle 17 docks on the outer edge and each former of set former between adjacent 17 same position of former reinforcing rib that
This is equidistant.
As shown in Fig. 2, the radius of positive conductive ring 4 and the radius of negative conductive ring 5 are different each other, positive conductive ring
4, negative conductive ring 5 is fixedly installed on motor body 10 on same end face by felt pad respectively, the center of circle of positive conductive ring 4
Position is overlapped each other with the center of circle of negative conductive ring 5 for position, and shaft 11 is crossed where the center location and positive conductive ring 4
Face and 5 place face of negative conductive ring are coplanar with each other, this is coplanar perpendicular with shaft 11, and positive conductive ring 4, negative conductive ring 5 divide
Projection not on 11 direction of shaft is not overlapped mutually, and the anode on motor body 10 is connected to each other with positive conductive ring 4 to be connected to,
Cathode on motor body 10 is connected to each other with negative conductive ring 5 to be connected to；Wherein one end of positive brush 6, cathode brush 7 are wherein
One end passes through felt pad respectively and is fixedly installed in shaft 11, corresponding to the side of positive conductive ring 4, negative conductive ring 5, anode
The other end of brush 6 is in contact with 4 surface of positive conductive ring, and the other end of cathode brush 7 connects with 5 surface of negative conductive ring
Touching, and positive brush 6 is not in contact with each other each other with cathode brush 7, being fixedly connected based on shaft 11 and pedestal 1, shaft 11 not
Under rotation, the work rotation of motor body 10, the other end of positive brush 6 is only in contact with 4 surface of positive conductive ring always, cathode
The other end of brush 7 is only in contact with 5 surface of negative conductive ring always.
Along its axial direction, setting power cord via hole 12 in shaft 11, and the both ends of power cord via hole 12 are located at volume
2 inside of cylinder and outside；Anode, the cathode of external power supply pass through conducting wire respectively and roll up through power cord via hole 12, by entering on the outside of reel 2
Inside cylinder 2, and the end docking positive brush 6 respectively, being located on cathode brush 7 in shaft 11.
It is opened wide at the top of waste oil collecting case 15, waste oil collecting case 15 is placed in the underface of the reel 2, and waste oil collecting case 15
Top open ports straight up towards reel 2, can effectively avoid designed hoist engine in actual operation to the dirt of environment
Dye.
The built-in type hoist engine of conducting ring will be improved designed by the present invention, be applied in real work, external power supply
Anode, cathode pass through respectively conducting wire dock positive brush 6 respectively through power cord via hole 12, on cathode brush 7 in shaft 11
End, since the other end of positive brush 6 is in contact with 4 surface of positive conductive ring, the other end and the cathode of cathode brush 7 are led
Electric 5 surface of ring is in contact, then external power supply can be powered to positive conductive ring 4, negative conductive ring 5, that is, is directed to motor sheet
Anode, cathode on body 10 are powered, while shaft 11 in motor 3 is fixed using pedestal 1, i.e. driving motor
The rotation of ontology 10, and then the reel 2 being sheathed on 10 periphery of motor body is driven to be rotated, due to positive brush 6, cathode
7 method of brush carries out sliding contact with positive conductive ring 4, negative conductive ring 5 in real time, then avoids harness winding problem, simultaneously
In design, wherein one end of positive brush 6, wherein one end of cathode brush 7 pass through felt pad respectively and are fixedly installed on shaft 11
It is upper, corresponding to the side of positive conductive ring 4, negative conductive ring 5, so also can avoid loss of the supply current through shaft 11 with it is short
Road problem can be driven the rotation of reel 4, realize the winding to rope by above-mentioned practical application.
The designed built-in type hoist engine for improving conducting ring of the invention, for existing reel 2, motor 3, design is built completely new
Reel 2 is arranged and motor 3, by way of shaft 11 is fixed in motor 3, driving motor sheet by interior drive outside clinch structure
The rotation of body 10, and then the reel 2 being sheathed on 10 periphery of motor body is driven to be rotated, realize the effect of power built-in,
Meanwhile electric positive and negative anodes are taken on motor body 10, separately design the mutually different positive conductive ring 4 of setting internal diameter, cathode
Conducting ring 5, then the mutual sliding of positive brush 6 and cathode brush 7 respectively with positive conductive ring 4, negative conductive ring 5 is cooperated to connect
Touching introduces external power supply and is powered to motor body 10, avoids harness winding problem, so directly reduces practical application
Space hold, effectively increase the practical application efficiency of reel 4.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
It makes a variety of changes.
Claims (6)
1. a kind of built-in type hoist engine for improving conducting ring, it is characterised in that: including pedestal (1), reel (2), motor (3), just
Pole conducting ring (4), negative conductive ring (5), positive brush (6) and cathode brush (7), wherein motor (3) includes motor body
(10) and the shaft (11) through motor body (10) both ends of the surface center, motor body (10) are located at shaft (11)
Center, shaft (11) are rotated under the driving of motor body (10)；The both ends of shaft (11) are fixedly installed on respectively
Pedestal (1)；
Reel (2) outer surface along the direction perpendicular with its axial direction, setting rope groove (16), reel (2) both ends open and
It is mutually communicated, length of the reel (2) on wherein axis direction is greater than the length of motor body (10) on shaft (11) direction
Degree, and it is less than the length of shaft (11)；Reel (2) fixing sleeve is set on motor body (10) outside one with shaft (11) for axis
Zhou Shang, and motor body (10) is located at the center between reel (2) both ends, the inner wall one week of reel (2) with its corresponding to
One week position is mutually fixedly connected on the outside of motor body (10), and reel (2) central axes are mutually conllinear with straight line where shaft (11)；
The radius of positive conductive ring (4) and the radius of negative conductive ring (5) are different each other, and positive conductive ring (4), cathode are led
Electric ring (5) is fixedly installed on motor body (10) on same end face by felt pad respectively, the center of circle position of positive conductive ring (4)
Set that position is overlapped each other with the center of circle of negative conductive ring (5), and shaft (11) crosses the center location and positive conductive ring (4)
Place face and face where negative conductive ring (5) are coplanar with each other, this is coplanar perpendicular with shaft (11), positive conductive ring (4), cathode
Projection of the conducting ring (5) respectively on shaft (11) direction is not overlapped mutually, and the anode on motor body (10) is led with anode
Electric ring (4) is connected to each other connection, and the cathode on motor body (10) is connected to each other with negative conductive ring (5) to be connected to；Positive brush (6)
Wherein one end, cathode brush (7) wherein one end pass through felt pad respectively and be fixedly installed on shaft (11), led corresponding to anode
Electric ring (4), negative conductive ring (5) side, the other end of positive brush (6) is in contact with positive conductive ring (4) surface, cathode
The other end of brush (7) is in contact with negative conductive ring (5) surface, and positive brush (6) does not connect mutually with cathode brush (7)
Touching, being fixedly connected based on shaft (11) and pedestal (1), in the case where shaft (11) does not rotate, motor body (10) work rotates, just
The other end of pole brush (6) is only in contact with positive conductive ring (4) surface always, the other end of cathode brush (7) always only with
Negative conductive ring (5) surface is in contact；
Along its axial direction, setting power cord via hole (12) in shaft (11), and the both ends of power cord via hole (12) are located at
Reel (2) inside and outside；Anode, the cathode of external power supply pass through respectively conducting wire through power cord via hole (12), by reel (2) outside
Side enters that reel (2) is internal, and the end docking positive brush (6) respectively, being located on cathode brush (7) on shaft (11).
2. a kind of built-in type hoist engine for improving conducting ring according to claim 1, it is characterised in that: further include left former
(8) and right former (9), wherein the center of left former (8), the center of right former (9) are respectively set through its two sides
Shaft through-hole, the shape of left former (8) and right former (9), outer diameter with the shape of the reel (2) both ends open mouth, internal diameter
It is adapted, left former (8), right former (9) are fixedly installed on reel (2) both ends open mouth position, the edge of left former (8) respectively
One week, the edge of right former (9) one week respectively with its set by one phase of edge of reel (2) open ports be fixedly connected, described turn
Axis (11) sequentially passes through the shaft through-hole on left former (8), the shaft through-hole on right former (9), and shaft through-hole inner wall point on each former
It is attached not between the outer wall at its corresponding shaft (11) position, through bearing (13).
3. a kind of built-in type hoist engine for improving conducting ring according to claim 2, it is characterised in that: further include respectively corresponding
The left former (8), right former (9) bracing means, each bracing means includes at least three root range plate reinforcing ribs (17) respectively,
Difference of the equal length of former reinforcing rib (17) between former outer diameter and its shaft through-hole internal diameter, each root range in each bracing means
Plate reinforcing rib (17) is fixedly installed on corresponding former surface respectively, and institute is docked in wherein one end on each root range plate reinforcing rib (17)
If the edge of shaft through-hole on former, the other end on each root range plate reinforcing rib (17) docks the outer edge of set former, and each
It is equally spaced from each other between adjacent former reinforcing rib (17) same position on former.
4. according to claim 1 to a kind of built-in type hoist engine for improving conducting ring described in any one of 3, it is characterised in that:
It further include tensioner casing (14), with the shaft (11) for axis side on the internal diameter of tensioner casing (14) and the motor body (10)
To outer diameter be adapted, tensioner casing (14) fixing sleeve be set on motor body (10) be with shaft (11) axis outside one week
On, the outer diameter of tensioner casing (14) and the internal diameter of the reel (2) are adapted, and reel (2) fixing sleeve is set to tensioner casing (14)
On outside one week, and reel (2) central axes and straight line three where tensioner casing (14) central axes and shaft (11) are mutually total
Line.
5. a kind of built-in type hoist engine for improving conducting ring according to claim 4, it is characterised in that: the tensioner casing
(14) length is adapted with the length on the motor body (10) on the shaft (11) direction, is based on tensioner casing
(14) it take shaft (11) as the position at tensioner casing (14) both ends on the outside one week of axis that fixing sleeve, which is set on motor body (10),
Respectively with its corresponding to the position at motor body (10) both ends correspond to each other.
6. a kind of built-in type hoist engine for improving conducting ring according to claim 1, it is characterised in that: further include that top is opened wide
Waste oil collecting case (15), waste oil collecting case (15) is placed in the underface of the reel (2), and the top of waste oil collecting case (15)
Open ports are straight up towards reel (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361469.0A CN110077976B (en) | 2019-04-30 | 2019-04-30 | Built-in hoist engine with improved conducting ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361469.0A CN110077976B (en) | 2019-04-30 | 2019-04-30 | Built-in hoist engine with improved conducting ring |
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| CN110077976A true CN110077976A (en) | 2019-08-02 |
| CN110077976B CN110077976B (en) | 2023-12-05 |
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ID=67418171
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| CN112682365A (en) * | 2020-12-22 | 2021-04-20 | 王海红 | Corrosion-resistant circulating pump for battery preparation production |
| CN112741437A (en) * | 2021-01-13 | 2021-05-04 | 淄博职业学院 | Psychological health degree evaluation test auxiliary device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682365A (en) * | 2020-12-22 | 2021-04-20 | 王海红 | Corrosion-resistant circulating pump for battery preparation production |
| CN112741437A (en) * | 2021-01-13 | 2021-05-04 | 淄博职业学院 | Psychological health degree evaluation test auxiliary device |
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