CN107120467A - A kind of cable-stayed type headstock gear - Google Patents
A kind of cable-stayed type headstock gear Download PDFInfo
- Publication number
- CN107120467A CN107120467A CN201710473951.4A CN201710473951A CN107120467A CN 107120467 A CN107120467 A CN 107120467A CN 201710473951 A CN201710473951 A CN 201710473951A CN 107120467 A CN107120467 A CN 107120467A
- Authority
- CN
- China
- Prior art keywords
- gear
- worm
- cable
- worm screw
- stayed type
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- 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
- B66D1/04—Driving gear manually operated
-
- 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
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/22—Toothed members; Worms for transmissions with crossing shafts, especially worms, worm-gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/445—Mechanical actuating means with exterior sleeve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Gears, Cams (AREA)
- Gear Transmission (AREA)
Abstract
This application discloses a kind of cable-stayed type headstock gear, including support, spiral case, the volume rope roller that is arranged on base inner, the worm gear being arranged on inside spiral case and worm screw, worm gear shares drum shaft with volume rope roller, worm screw one end passes through clutch and motor connection, the other end installs the cover plate with sealing strip for setting and sealing below crank, support.Worm and gear can realize auto-lock function, and hand and motorized motions are combined, it is ensured that headstock gear can be applied at any time, and enclosed structure prevents the exposed upper rust of cable wire, it is ensured that the long-term use of headstock gear, cable wire can be moved, and realize the function of oblique pull.
Description
Technical field
The application is related to technical field of water conservancy machinery, more particularly to a kind of cable-stayed type headstock gear.
Background technology
The rolling open and close machine of hand-rail type uses cable wire or wire rope pulley group is made suspender and is connected with gate, passes through gear drive
System makes winding drum wind or transfer cable wire to drive the machinery of lifting, but the multigroup gear drive of this headstock gear, it is impossible to
Self-locking, structure is not compact, and cable wire is exposed outside, gets rusty easily.
Meanwhile, during using hand-operated mechanism as power drive, when not enough or when not exerting a force, the gate meeting that exerted a force to hand-operated mechanism
Fallen in the presence of deadweight.By taking 15 tons of driven open/close gates as an example, needed if 15 tons of gate hoist manually open opening and closing
3 people driven by shaking headstock gear by turns, the circle screw mandrel of every turn of headstock gear 60 rises or falls 1 centimetre, open and close a gate need it is 1.5 small
When, manual drive wastes time and energy, and prior art, which also has, is connected hand headstock gear with motor, motor is replaced completely hand
Driving, this mode can increase considerably the speed of gate rising, can also save manpower, but some places connect electric inconvenience,
Or cannot be used under power down mode.
Accordingly, it would be desirable to which a kind of can self-locking, the headstock gear of enclosed manual and electric double-purpose.
The content of the invention
This application provides a kind of cable-stayed type headstock gear, self-locking is unable to solve hand rolling open and close machine, cable wire is exposed easily
The problem of getting rusty.
In a first aspect, the application provides a kind of cable-stayed type headstock gear, including support, spiral case, the volume of base inner is arranged on
Rope roller, in addition to be arranged on the worm gear inside spiral case and worm screw, the worm gear is connected with worm engaging, the worm gear with it is described
Roll up rope roller and share drum shaft.
With reference in a first aspect, in first aspect in the first possible implementation, the worm screw two ends pass spiral case, one
End crank is installed by clutch and motor connection, the other end.
With reference in a first aspect, in second of possible implementation of first aspect, in addition to cover plate, the cover plate is square
It is support above shape structure, the cover plate, lower section is rack platform, the cover plate, which is provided with, is used for cable wire through rectangular opening (9), institute
The two long side inwall for stating rectangular opening is provided with sealing strip, and the contact surface of both sides sealing strip is dentalation or wave structure.
With reference in a first aspect, in first aspect in the third possible implementation, the connection end of the worm screw and crank
For semi-cylindrical or triangle column construction.
With reference in a first aspect, in the 4th kind of possible implementation of first aspect, the crank include sleeve, rocking arm and
Handle, described sleeve one end is socketed with worm screw, and the other end is welded with rocking arm, and the rocking arm other end is welded with handle.
With reference in a first aspect, in the 5th kind of possible implementation of first aspect, the sleeve is hollow cylindrical knot
Structure, hollow space is that the semi-cylindrical that is engaged with worm screw is hollow or triangle cylindricality hollow structure.
With reference in a first aspect, in the 6th kind of possible implementation of first aspect, the worm gear outer peripheral face gear teeth are cut
Face is trapezoidal shape, and the lateral surface of the worm screw is provided with the spiral teeth being engaged with the worm gear outer peripheral face gear teeth, the worm gear and
The pressure angle θ of worm gear is 13-17 degree, preferably 15 degree when worm screw uses cooperatively.
With reference in a first aspect, in the 7th kind of possible implementation of first aspect, the number of teeth of the worm gear is 30-60,
Preferably 36, the modulus scope of the worm screw is 2-6, preferably 4.
The cable-stayed type headstock gear provided according to the present invention, has the advantages that：
1. being slowed down using Worm Wheel System, volume rope roller can self-locking at an arbitrary position；Worm and gear passes for multiple tooth engagement
It is dynamic, therefore stable drive, noise very little；Worm gear device has number of parts few, without other power transmission shafts, compact conformation.
2. worm screw two ends connect different driving structures, it is ensured that headstock gear under any circumstance being capable of normal work.
3. utilizing cover plate and sealing strip, sealing structure is formed, cable wire exposed will not can remove mud or water again outside, prevented
Only cable wire gets rusty.
4. adjusting worm gear pressure angle, make transmission more steady, solve the jitter phenomenon of generation；And suitable pressure angle can
To improve transmission efficiency, the degree of wear of worm gear is reduced.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the application cable-stayed type headstock gear；
Fig. 2 is the drive mechanism schematic diagram of the application；
Fig. 3 is the application covering plate structure schematic diagram；
Fig. 4, Fig. 5 are the application gasket structure schematic diagram；
Fig. 6 is the application worm gear pressure angle by gravity mesh schematic representation.
Reference：1- supports, 2- spiral cases, 3- worm gears, 4- worm screws, 5- volumes of rope roller, 6- drum shafts, 7- cover plates, 8- machines
Body panel, 9- rectangular openings, 10- sealing strips, 11- suspension ring, 12- motors, 13- clutches, 14- cranks, 15- cable wires, θ-pressure angle.
Embodiment
Below by the present invention is described in detail, the features and advantages of the invention will become more with these explanations
To be clear, clear and definite.
Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings
In terms of kind, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
In the description of the invention, it is necessary to explanation, term " on ", " under ", " interior ", " outer ", "front", "rear", " left side "
The orientation or position relationship of instructions such as " right sides " are based on the orientation or position relationship under working condition of the present invention, merely to just
In the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", "
Three " are only used for describing purpose with " the 4th ", and it is not intended that indicating or implying relative importance.
The present invention described below.
The inventors discovered that, gear drive, it is impossible to self-locking, compared with gear, worm gear device is used as drive disk assembly, snail
Bar can rotate worm gear easily, but worm gear can not rotary worm because the structure of worm and gear and transmission are by friction
Realize what is caused.
The kind of drive of worm and gear belongs to worm-drive, and worm-drive equivalent to worm drive, is passed due to such again
Flowing mode, when worm and gear reaches certain speed ratio, when the lead angle of worm screw is less than the equivalent friction angle of engagement wheel between cog, machine
Structure has self-locking performance, and reverse self-locking can be achieved, i.e., worm gear can only be driven by worm screw, and worm screw can not be driven by worm gear, and its is reverse
Self-locking performance can play safeguard protection.
The inventors discovered that, worm-drive, equivalent to worm drive, is multiple tooth engaged transmission, therefore stable drive, noise are very
It is small.
The present inventors have additionally discovered that, worm gear device has number of parts few, without other power transmission shafts, compact conformation.
Therefore, the invention provides a kind of cable-stayed type headstock gear, as shown in Figure 1 and Figure 2, including support 1, spiral case 2, set
Volume rope roller 5 inside support 1, in addition to it is arranged on the worm gear 3 inside spiral case 2 and worm screw 4, the worm gear 3 and worm screw 4
Engagement connection, the worm gear 3 shares drum shaft 6 with the volume rope roller 5, and the two ends of worm screw 4 pass through spiral case 2, and one end passes through
Clutch 13 is connected with motor 12, and the other end installs crank 14.
The inventors discovered that, transmission component is worm gear 3 and worm screw 4, and the worm drive of worm screw 4 drive worm gear 3, and worm gear 3 is same again
Axle drives volume rope roller 5 to realize the control up and down to cable wire, can only drive worm gear 3 by worm screw 4, and can not drive snail by worm gear 3
Bar 4, its reverse self-locking can play safeguard protection, prevent that, by Action of Gravity Field, the uncontrolled tenesmus of volume rope roller 5 causes thing
Therefore.
The inventors discovered that, the two ends of worm screw 4 connect the crank 14 and motorized motions of different driving structures, i.e. manual actuation
Motor 12, it is ensured that headstock gear under any circumstance being capable of normal work.
In the present invention is a kind of preferred embodiment, as shown in figure 3, also including cover plate 7, the cover plate 7 is rectangle knot
Structure, the cover plate 7 is provided with and passed through for cable wire 15, the rectangular opening 9 that can be moved left and right in it, two of the rectangular opening 9
Long side inwall is provided with sealing strip 10, and the contact surface of both sides sealing strip 10 is dentalation 101 or wave structure 102.
The inventors discovered that, the support 1 of many hand-rail type hoist engines only has axle side and top to cover, and cable wire still can be exposed
Outside, cable wire lifting gate easily attaches mud or water again, gets rusty easily.When using enclosed construction, above-mentioned ask can be effectively solved
Topic.
Support 1 is semi-closed structure, is not closed with the contact surface of framework platform 8 of gate, beneficial to the dismounting of volume rope roller 5；
Spiral case 2 is arranged on support 1 sideways, full-enclosed structure, and such worm gear 3 and worm screw 4 will not be exposed, prevents rainwater or sewage from entering
Corrosion；Cover plate 7 is set in the not sealing surface of support 1, cover plate 7 is positioned on the concrete support platform 8 of gate, and support 1 is placed
Or be fixed on cover plate 7, cover plate 7 is provided with rectangular opening 9, and the two long side inwall of rectangular opening 9 is provided with sealing strip 10, such as Fig. 4,5 institutes
Show, the contact surface of both sides sealing strip 10 is dentalation 101 or wave structure 1012, and cable wire 15 passes through rectangular opening 9, in it
Move left and right, sealing strip 10 the take structure that can be coincide, cable wire 15 self can be fitted after moving, and sealing strip 10 can be selected
There is the rubber weather strip of certain degree of hardness, when cable wire 15 is moved up and down, sealing strip 10 can also play a part of scraper plate, remove cable wire
15 subsidiary water or sludge, reduce the probability that gets rusty.
In the present invention is a kind of preferred embodiment, crank 14 includes sleeve 141, rocking arm 142 and handle 143, described
The one end of sleeve 141 is socketed with worm screw 4, and the other end is welded with rocking arm 142, and the other end of rocking arm 142 is welded with handle 143；Institute
The connection end for stating worm screw 4 and crank 14 is semi-cylindrical or triangle column construction, and the sleeve 141 is hollow cylindrical structure,
Hollow space is that the semi-cylindrical that is engaged with worm screw 4 is hollow or triangle cylindricality hollow structure.
The inventors discovered that, the crank that hand-rail type headstock gear is used is generally hollow sleeve structure, and a crank can be used in
On different headstock gears, crank structure is single, it is impossible to it is special serve it is antitheft.The present invention uses special-purpose cranking bar, prevents others
Arbitrarily open, be more reasonably utilized water resource.
In the present invention is a kind of preferred embodiment, the section of the outer peripheral face gear teeth 31 of worm gear 3 is trapezoidal shape, described
The lateral surface of worm screw 4 is provided with the spiral teeth 41 being engaged with the outer peripheral face gear teeth of worm gear 3, and the worm gear 3 and worm screw 4 coordinate
The pressure angle θ of worm gear 3 is 13-17 degree, preferably 15 degree when using.
The inventors discovered that, the tooth that worm gear 3 is meshed with worm screw 4 is is obliquely installed, and worm gear 3 and worm screw 4 are in transmission power
During, have certain axially loaded, and make worm screw 4 that there is certain axial float, if the axial restraint of worm screw 4 join
It is connected in spiral case 2, then influences whether the smoothness of transmission power between worm and gear.Worm gear 3 and the pressure angle θ of worm screw 4 are such as
Fruit is 20 degree, after gravity, and the face tortuous deformation for being plastically deformed worm-gear toothing can occur for the gear teeth 31 of worm gear, the gear 3 of worm gear
Top and the tooth root position of worm screw are interfered, so as to rotation imbalance occur, cause jitter phenomenon.In the present embodiment, will
The worm gear and the pressure angle θ of worm screw used cooperatively is preferably 15 degree, when being affected by gravity, then just can be by its tortuous deformation
Region is utilized as contact area；It is linear contact lay when not stressing, is changed into face contact after accepting, transmission is more steady, solves generation
Jitter phenomenon.
And due to pressure angle θ presence, worm screw is rotated exported power and be divided into two component, one is and worm gear section
The tangent axial force of circle, this is worm geared active component；Another is directed to the radial component of worm gear axis, this power pair
The rotation of worm gear is invalid power.Pressure angle is big, and transmission efficiency is relatively low, weares and teares more serious；Pressure angle is small, and axial thrust load is big, passes
Efficiency of movement is high.
The present invention it is a kind of preferred embodiment described in worm gear 3 the number of teeth be 30-60, preferably 36, the worm screw
4 head number scope is 2-6, preferably 4.
Number of threads is 1,2,4,6, when getting the small value, and its gearratio is big, and with self-locking performance；When taking large values, transmission
Efficiency high.Different from column gear transmission, worm and worm gear gearratio is not equal to the ratio of worm screw diameter and worm gear diameter.
When lifting by crane gate, cable wire 15 hooks the suspension ring 11 for hanging gate by linking up with, crank 14 or the driving worm screw 4 of motor 12
Worm gear 3 is driven, it is coaxial to drive coil rope 15 on volume rope roller 5, the unlatching of gate or flap valve is realized, because worm screw 4 and worm gear 3 have
Have a self-locking, and can reinforcement, so relatively labor-saving when opening and closing and can self-locking at an arbitrary position.Most headstock gears are one-to-one configuration, and
The present invention hangs oneself gate for cable wire, it is not necessary to corresponding with gate to fix, it is possible to neighbouring adjacent gate is lifted by crane, realization
The function of oblique pull.
The present invention is described in detail above in association with embodiment and exemplary example, but these explanations are simultaneously
It is not considered as limiting the invention.It will be appreciated by those skilled in the art that without departing from the spirit and scope of the invention,
A variety of equivalencings, modification can be carried out to technical solution of the present invention and embodiments thereof or is improved, these each fall within the present invention
In the range of.Protection scope of the present invention is determined by the appended claims.
Claims (8)
1. a kind of cable-stayed type headstock gear, including support (1), spiral case (2), are arranged on the internal volume rope roller (5) of support (1), its
It is characterised by, in addition to is arranged on the internal worm gear (3) of spiral case (2) and worm screw (4), the worm gear (3) and worm screw (4) company of engagement
Connect, the worm gear (3) shares drum shaft (6) with the volume rope roller (5).
2. cable-stayed type headstock gear as claimed in claim 1, it is characterised in that worm screw (4) two ends pass spiral case (2), one
End is connected by clutch (13) with motor (12), and the other end installs crank (14).
3. cable-stayed type headstock gear as claimed in claim 1, it is characterised in that also including cover plate (7), the cover plate (7) is square
It is support (1) above shape structure, the cover plate (7), lower section is rack platform (8), and the cover plate (7), which is provided with, is used for cable wire (15)
Through rectangular opening (9), the two long side inwall of the rectangular opening (9) is provided with sealing strip (9), the contact surface of both sides sealing strip (9)
For dentalation or wave structure.
4. cable-stayed type headstock gear as claimed in claim 2, it is characterised in that the worm screw (4) and the connection end of crank (14)
For semi-cylindrical or triangle column construction.
5. cable-stayed type headstock gear as claimed in claim 4, it is characterised in that the crank (14) includes sleeve (141), rocking arm
(142) and handle (143), described sleeve (141) one end is socketed with worm screw (4), and the other end is welded with rocking arm (142), described to shake
Arm (142) other end is welded with handle (143).
6. cable-stayed type headstock gear as claimed in claim 5, it is characterised in that the sleeve (141) is hollow cylindrical structure,
Hollow space is that the semi-cylindrical that is engaged with worm screw (4) is hollow or triangle cylindricality hollow structure.
7. cable-stayed type headstock gear as claimed in claim 2, it is characterised in that the section of worm gear (3) the outer peripheral face gear teeth is
Trapezoidal shape, the lateral surface of the worm screw (4) is provided with the spiral teeth being engaged with worm gear (3) outer peripheral face gear teeth, the worm gear
(3) and worm screw (4) with the use of when worm gear (3) pressure angle θ be 13-17 degree, preferably 15 degree.
8. cable-stayed type headstock gear as claimed in claim 2, it is characterised in that the number of teeth of the worm gear (3) is 30-60, preferably
For 36, the modulus scope of the worm screw (4) is 2-6, preferably 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473951.4A CN107120467A (en) | 2017-06-21 | 2017-06-21 | A kind of cable-stayed type headstock gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473951.4A CN107120467A (en) | 2017-06-21 | 2017-06-21 | A kind of cable-stayed type headstock gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107120467A true CN107120467A (en) | 2017-09-01 |
Family
ID=59719346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710473951.4A Pending CN107120467A (en) | 2017-06-21 | 2017-06-21 | A kind of cable-stayed type headstock gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107120467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522117A (en) * | 2017-09-30 | 2017-12-29 | 广州地铁设计研究院有限公司 | For starting the hoist engine opening/closing device of vertical lift closed guard gate |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0527377A2 (en) * | 1991-08-09 | 1993-02-17 | HORCHER, Willi | Load carrier |
| JPH07206388A (en) * | 1994-01-12 | 1995-08-08 | Hitachi Ltd | Overload preventing device for electric hoist |
| CN203272720U (en) * | 2013-04-29 | 2013-11-06 | 重庆聚嘉机械有限公司 | Zero clearance worm gear and worm transmission mechanism |
| CN203998751U (en) * | 2014-06-17 | 2014-12-10 | 南通力威机械有限公司 | A kind of hand-electric winch |
| CN204281026U (en) * | 2014-12-11 | 2015-04-22 | 成都畅越机械工程有限公司 | A kind of Novel sling for hoisting crane |
| CN204849703U (en) * | 2015-08-12 | 2015-12-09 | 河南中水机械股份有限公司 | Endless chain hoist formula headstock gear |
| CN205204699U (en) * | 2015-11-18 | 2016-05-04 | 镇江华虹机械有限公司 | A high -efficient heavily loaded capstan winch for $integrateing aquaculture |
| CN106744422A (en) * | 2017-01-24 | 2017-05-31 | 王波 | A kind of cable wire protection system of winch hoist |
-
2017
- 2017-06-21 CN CN201710473951.4A patent/CN107120467A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0527377A2 (en) * | 1991-08-09 | 1993-02-17 | HORCHER, Willi | Load carrier |
| JPH07206388A (en) * | 1994-01-12 | 1995-08-08 | Hitachi Ltd | Overload preventing device for electric hoist |
| CN203272720U (en) * | 2013-04-29 | 2013-11-06 | 重庆聚嘉机械有限公司 | Zero clearance worm gear and worm transmission mechanism |
| CN203998751U (en) * | 2014-06-17 | 2014-12-10 | 南通力威机械有限公司 | A kind of hand-electric winch |
| CN204281026U (en) * | 2014-12-11 | 2015-04-22 | 成都畅越机械工程有限公司 | A kind of Novel sling for hoisting crane |
| CN204849703U (en) * | 2015-08-12 | 2015-12-09 | 河南中水机械股份有限公司 | Endless chain hoist formula headstock gear |
| CN205204699U (en) * | 2015-11-18 | 2016-05-04 | 镇江华虹机械有限公司 | A high -efficient heavily loaded capstan winch for $integrateing aquaculture |
| CN106744422A (en) * | 2017-01-24 | 2017-05-31 | 王波 | A kind of cable wire protection system of winch hoist |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522117A (en) * | 2017-09-30 | 2017-12-29 | 广州地铁设计研究院有限公司 | For starting the hoist engine opening/closing device of vertical lift closed guard gate |
| CN107522117B (en) * | 2017-09-30 | 2020-11-06 | 广州地铁设计研究院股份有限公司 | Hoist for starting vertical lifting civil air defense door |
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Application publication date: 20170901 |
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| RJ01 | Rejection of invention patent application after publication |