CN107720581B - Hand wheel and lever block and hoist device using same - Google Patents
Hand wheel and lever block and hoist device using same Download PDFInfo
- Publication number
- CN107720581B CN107720581B CN201711261634.2A CN201711261634A CN107720581B CN 107720581 B CN107720581 B CN 107720581B CN 201711261634 A CN201711261634 A CN 201711261634A CN 107720581 B CN107720581 B CN 107720581B
- Authority
- CN
- China
- Prior art keywords
- hand wheel
- electric wrench
- rotating part
- bolt
- wheel body
- 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.)
- Active
Links
Images
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
- B66D1/04—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
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0116—Manually or spring operated winches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0125—Motor operated winches
- B66D2700/0141—Electrically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to a hand wheel, a lever block and a hoist device using the hand wheel, wherein the lever block comprises a hoist frame, a rotating part with a chain wheel and a ratchet wheel is rotationally arranged on the hoist frame, a handle used for being in transmission fit with the ratchet wheel through a pawl is also arranged on the hoist frame, an operation knob for controlling the pawl to be in transmission or disconnection with the ratchet wheel is arranged on the handle, the lever block further comprises a hand wheel, the hand wheel comprises a hand wheel body fixedly connected with the rotating part, and an electric wrench connecting structure used for being in rotation-stopping transmission connection with a torque output end of a corresponding electric wrench is arranged on the hand wheel body. The invention provides a hoist device capable of realizing manual operation and electric operation.
Description
Technical Field
The invention relates to a hand wheel and a lever block and a hoist device using the hand wheel.
Background
In the construction of power transmission and distribution lines, the lever block is a main appliance for high-altitude tightening and loosening of wires, and is used for fixing construction equipment, adjusting stay wires of towers, fastening ground wires and the like.
The existing lever block comprises a block support, a rotating part and a handle, wherein the rotating part comprises a chain wheel and a ratchet wheel, the chain wheel is used for enabling a chain to pass around, a pawl matched with the ratchet wheel in a transmission mode is arranged on the handle, an operation knob is arranged on the handle, the pawl and the ratchet wheel can be controlled to be transmitted and separated, for example, the operation knob is operated to a position, the ratchet wheel is matched with the pawl, the handle can be used for transmitting the rotating part at the moment, so that a heavy object can be retracted by the chain, the operation knob is pushed to another position, the ratchet wheel and the pawl are not transmitted any more, the handle is not transmitted with the rotating part at the moment, the lever is suitable for being used when the chain is retracted when the lever is idle, a hand wheel is fixedly arranged on the rotating part, and the hand wheel is suitable for being transmitted to the rotating part when the lever is idle so as to retract the chain. The existing lever block has the following problems: the lever block is only suitable for manual operation, but in actual operation, the lever block only depends on manual operation, so that the problems of high labor intensity and low working efficiency are caused.
Disclosure of Invention
The invention aims to provide a hoist device capable of realizing manual operation and electric operation; the invention also aims to provide a lever block and a hand wheel used in the block device.
In order to achieve the above purpose, the technical scheme of the lever block in the invention is as follows:
the utility model provides a lever block, includes the calabash frame, rotates on the calabash frame and is provided with the rotating member that has sprocket, ratchet, still be provided with on the calabash frame be used for through the pawl with ratchet transmission complex handle is provided with the control on the handle the pawl with ratchet transmission or the operation of disengaging turn round, the lever block still includes the hand wheel, the hand wheel include with the fixed hand wheel body that links to each other of rotating member, be provided with on the hand wheel body and be used for the electric spanner connection structure who ends the transmission with the moment of torsion output of corresponding electric spanner and be connected.
The electric wrench connecting structure is a plug-in type anti-rotation connecting structure which is used for being in anti-rotation plug-in connection with the torque output end of the electric wrench in the axial direction of the rotating part.
The plug-in type rotation-stopping connection structure is an end face tooth, at least two bolt through holes are arranged on the hand wheel body at intervals along the circumferential direction, threaded holes corresponding to the bolt through holes are formed in the rotating part, the hand wheel body is fixed on the rotating part through bolts penetrating through the corresponding bolt through holes and the threaded holes, and the end face tooth is composed of a bolt head of the bolt and a first protection column arranged on one side of the circumferential direction of the corresponding bolt head.
A second protection column is arranged beside the corresponding threaded hole on the hand wheel body.
The hand wheel body is provided with a quick-release pipe clamp which is used for clamping and matching with the outer peripheral surface of the torque output end of the electric wrench.
The technical scheme of the calabash device in the invention is as follows:
the hoist device comprises a lever hoist and an electric wrench, wherein the lever hoist comprises a hoist frame, a rotating part with a chain wheel and a ratchet wheel is rotationally arranged on the hoist frame, a handle which is used for being in transmission fit with the ratchet wheel through a pawl is further arranged on the hoist frame, an operation knob which is used for controlling the pawl to be in transmission or disconnection with the ratchet wheel is arranged on the handle, the lever hoist further comprises a hand wheel, the hand wheel comprises a hand wheel body fixedly connected with the rotating part, and an electric wrench connecting structure which is used for being in rotation stopping transmission connection with a torque output end of the electric wrench is arranged on the hand wheel.
The electric wrench connecting structure is a plug-in type anti-rotation connecting structure which is used for being in anti-rotation plug-in connection with the torque output end of the electric wrench in the axial direction of the rotating part.
The hand wheel body is provided with a quick-release pipe clamp which is used for clamping and matching with the outer peripheral surface of the torque output end of the electric wrench.
The technical scheme of the hand wheel in the invention is as follows:
the hand wheel of the lever block comprises a hand wheel body which is fixedly connected with a rotating part of the lever block, and an electric wrench connecting structure which is used for being in rotation stopping transmission connection with a torque output end of a corresponding electric wrench is arranged on the hand wheel body.
The electric wrench connecting structure is a plug-in type anti-rotation connecting structure which is used for being in anti-rotation plug-in connection with the torque output end of the electric wrench in the axial direction of the rotating part, and the hand wheel body is provided with a quick-release pipe clamp which is used for being in clamping fit with the outer peripheral surface of the torque output end of the electric wrench.
The beneficial effects of the invention are as follows: the hoist device provided by the invention can realize manual operation or electric operation, and when manual operation is needed, an electric wrench is not needed, and a rotating part of the manual wrench is normally operated by using a handle; when electric operation is needed, the pawl and the ratchet wheel are controlled to be not driven any more through the operation knob, the electric wrench is used, the torque output end of the electric wrench is directly connected with the electric wrench connecting structure on the hand wheel, so that the rotating part is driven to rotate, the pawl and the ratchet wheel are not driven any more in the process, the handle cannot rotate, electric operation is achieved, manpower can be saved, the working efficiency is improved, and the manual operation convenience in certain special occasions is reserved due to the fact that the manual mode exists. According to the invention, through improvement on the hand wheel of the original manual wrench, manual operation and electric operation can be realized by only adding an electric wrench connecting structure on the hand wheel, the structural change does not have any influence on the working form of the original manual wrench, various advantages of the original manual wrench are reserved, and the electric operation can be realized by matching with the electric wrench while the working form of the original manual wrench is not influenced to the greatest extent.
Drawings
FIG. 1 is a schematic view of an embodiment of a hoist apparatus of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic view of the electric wrench of FIG. 1;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic illustration of the engagement of the rotary head of FIG. 4 with a wrench housing;
FIG. 7 is a schematic view of the hand wrench of FIG. 1 without a hand wheel attached;
FIG. 8 is a schematic view of the hand wheel of FIG. 1;
FIG. 9 is a top view of FIG. 8;
fig. 10 is a schematic view of the quick clamp of the present invention after opening.
Detailed Description
Embodiments of the gourd device are shown in fig. 1 to 10: including lever block 2 and electric spanner 1, lever block 2 includes the hoist support, rotating member and handle 4, rotating member includes sprocket and ratchet, the sprocket is used for supplying the chain to walk around, be provided with on the handle be used for with ratchet transmission complex pawl, be provided with the operation on the handle and turn round, the operation is turned round with the transmission of ratchet and is disconnected, say, the operation is turned round to a position, ratchet and pawl cooperation can be through the handle transmission to rotating member this moment, thereby realize the chain receive and releases the heavy object, push the operation and turn round to another position, ratchet and pawl no longer transmit, the handle no longer transmits with rotating member this moment, be applicable to when receiving and releasing the chain when empty, still fixedly be provided with hand wheel 3 on rotating member, the hand wheel is applicable to when empty to rotating member transmission in order to receive and release the chain. The cooperation relationship between the handle and the rotating component and the structure of the hand wheel belong to the prior art, and the invention focuses on the improvement of the hand wheel 3, wherein the hand wheel 3 comprises a hand wheel body 31, three bolt perforations 34 are circumferentially arranged on the hand wheel body, the rotating component comprises a hand wheel seat 11, three protrusions 12 are arranged on the hand wheel seat, threaded holes corresponding to the bolt perforations are respectively arranged on the three protrusions 12, and the hand wheel body 31 is fixed on the hand wheel seat 11 by penetrating bolts in the bolt perforations and the threaded holes. The electric spanner comprises an electric spanner body and a torque output end, namely a rotating head 6, which is perpendicularly arranged with the electric spanner body, wherein the electric spanner body comprises a spanner shell 9 provided with a handle 8, a battery 10 arranged at the tail end of the spanner shell, a controller arranged in the spanner shell 9 and a gear motor 7 arranged at the head end of the spanner shell, a reaction arm 5 is further arranged on the spanner shell, and when the electric spanner is used, the reaction arm can be pushed on a hoist bracket, the rotating head 6 is connected to the output end of the gear motor 7, the rotating head 6 is provided with three end face protrusions 61, and three end face grooves 62 are formed between the three end face protrusions 61. The electric spanner connection structure is the terminal surface tooth of the grafting of ending in rotating part axial with corresponding terminal surface groove, in this embodiment, the terminal surface tooth comprises bolt head and the first bollard 33 that sets up in bolt head circumference one side, and bolt head and first bollard 33 are gone into in the terminal surface groove 62 that corresponds when using, and when electric spanner just reverses, bolt head and first bollard respectively with correspond the both sides cell wall contact power of terminal surface groove, the use of first bollard 33 is in order to avoid the bolt to receive too big shearing force and become invalid to play the purpose of protection bolt. In the same way, a second guard post 32 which is used for extending into the concave part between the corresponding bulges on the hand wheel seat is arranged on one side of the hand wheel body close to the hand wheel seat, and the second guard post can be in pushing contact with the side surface of the corresponding bulge so as to realize torque transmission, thus the purpose of protecting the bolt is achieved.
The hand wheel body is also provided with a quick pipe clamp, and the quick pipe clamp belongs to the prior art, and can be used on a quick-release bicycle, and a seat pipe connected to a seat can be quickly fixed through the quick pipe clamp. The quick pipe clamp comprises the elastic deformation part 36 and the fixing part 35 which is integrally connected with the hand wheel body 31, and the operating spanner 37 for pulling the quick pipe clamp is beneficial to the cam principle, so that the elastic deformation part 36 can be pushed to elastically deform to realize quick holding of the rotating head of the electric spanner, and quick separation of the rotating head and the rotating head can be realized.
The hoist device can realize two working modes of manual operation and electric operation, when in the manual operation mode, an electric wrench is not used, whether a handle is in transmission with a rotating part or not is realized through an operation knob, when in idle load, the operation knob is pushed to be placed in a neutral gear, so that the quick retraction of a chain is realized, and the chain can be driven to be retracted through a hand wheel; the chain can be retracted and extended by pushing the operating button to the working position, and the operating process is identical to that of the existing manual wrench and is not described in detail here; when the electric operation mode is adopted, the pushing operation is twisted to a neutral gear, at the moment, the handle does not transmit to the rotating part any more, three end face grooves of the rotating head of the electric wrench are mutually inserted with end face teeth on the hand wheel, then the quick clamping of the rotating head is realized through the quick pipe clamp, the force transmission to the rotating part can be realized through the electric wrench, the chain can be retracted and released, the quick pipe clamp plays a role in holding the electric wrench, the required holding force of an operator can be reduced, the operation is more convenient, and after the use is completed, the quick pipe clamp is loosened, and the electric wrench can be directly taken away.
In other embodiments of the invention: the quick pipe clamp can be omitted, and an operator needs to hold the electric wrench in a consistent manner in the electric mode; the end face teeth do not need to comprise bolt heads, for example, the hand wheel is welded and fixed on the rotating part, and the end face teeth are only formed by end face bulges arranged on the hand wheel; of course, the electric wrench connecting structure can also be other structures such as an end surface groove, a transmission square hole and the like which can realize mutual rotation stopping and inserting connection with the torque output end of the electric wrench in the axial direction of the rotating part; or the electric spanner connecting structure can also be a bolt connecting structure, and a quick pipe clamp is not required to be arranged at the moment.
An embodiment of a manual wrench is shown in fig. 1 to 10: the specific construction of the hand wrench is the same as that described in the above embodiments of the gourd devices and will not be described in detail here.
The embodiment of the hand wheel is shown in fig. 8 to 10, and the specific structure of the hand wheel is the same as that of the hand wheel described in the above embodiments of each hoist device, and will not be described in detail here.
Claims (5)
1. The lever block comprises a block frame, a rotating part with a chain wheel and a ratchet wheel is rotatably arranged on the block frame, a handle used for being in transmission fit with the ratchet wheel through a pawl is further arranged on the block frame, an operation knob used for controlling the pawl to be in transmission or disconnection with the ratchet wheel is arranged on the handle, the lever block further comprises a hand wheel, the hand wheel comprises a hand wheel body fixedly connected with the rotating part, and the lever block is characterized in that an electric wrench connecting structure used for being in rotation-stopping transmission connection with a torque output end of a corresponding electric wrench is arranged on the hand wheel body, the electric wrench connecting structure is a plug-in rotation-stopping connecting structure used for being in rotation-stopping plug-in connection with the torque output end of the electric wrench in the axial direction of the rotating part, the plug-in rotation-stopping connecting structure is an end face tooth, at least two bolt through holes are arranged on the hand wheel body at intervals in the circumferential direction, threaded holes corresponding to the bolt through penetrating holes are formed in the rotating part, the hand wheel body is fixed on the rotating part through bolts penetrating through the corresponding bolt through holes and the threaded holes, and a first protection column arranged on one circumferential side of the corresponding bolt head.
2. The lever block of claim 1, wherein: a second protection column is arranged beside the corresponding threaded hole on the hand wheel body.
3. The lever block according to claim 1 or 2, characterized in that: the hand wheel body is provided with a quick-release pipe clamp which is used for clamping and matching with the outer peripheral surface of the torque output end of the electric wrench.
4. The calabash device is characterized in that: the electric wrench comprises a lever block and an electric wrench, wherein the lever block comprises a block frame, a rotating part with a chain wheel and a ratchet wheel is rotationally arranged on the block frame, a handle matched with the ratchet wheel in a transmission mode through a pawl is further arranged on the block frame, a control handle is arranged on the handle and used for controlling the pawl to be in transmission or disconnection with the ratchet wheel, the lever block further comprises a hand wheel, the hand wheel comprises a hand wheel body fixedly connected with the rotating part, an electric wrench connecting structure used for being in rotation-stopping transmission connection with a torque output end of the electric wrench is arranged on the hand wheel, the electric wrench connecting structure is a plug-in rotation-stopping connecting structure used for being in rotation-stopping connection with the torque output end of the electric wrench in the axial direction of the rotating part, end face teeth are arranged on the hand wheel body at least two bolt through holes at intervals along the circumferential direction, threaded holes corresponding to the bolt through holes are formed in the rotating part, the hand wheel body is fixed on the rotating part through bolts penetrating through corresponding bolt through the corresponding bolt through holes and the threaded holes, and the end face teeth are formed by a bolt head of the bolt head and a first protection column arranged on one side corresponding to the circumferential side of the bolt head.
5. The cucurbit device according to claim 4, wherein: the hand wheel body is provided with a quick-release pipe clamp which is used for clamping and matching with the outer peripheral surface of the torque output end of the electric wrench.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710126007 | 2017-03-05 | ||
| CN2017101260071 | 2017-03-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107720581A CN107720581A (en) | 2018-02-23 |
| CN107720581B true CN107720581B (en) | 2023-04-28 |
Family
ID=61220300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711261634.2A Active CN107720581B (en) | 2017-03-05 | 2017-12-04 | Hand wheel and lever block and hoist device using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107720581B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186333B (en) * | 2018-09-03 | 2019-07-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of clamping mechanism of dovetail guide formula rifle pendant |
| CN113043940B (en) * | 2021-03-10 | 2022-08-30 | 万智慧 | Automatic tightening tensioner |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3176754D1 (en) * | 1980-11-07 | 1988-06-30 | Ederer Inc | Safety mechanism for hoisting drums |
| CN201058800Y (en) * | 2007-05-01 | 2008-05-14 | 杭州武林机器有限公司 | Lower-hanging connecting device |
| CN105253801A (en) * | 2015-11-10 | 2016-01-20 | 八达机电有限公司 | Electric block |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2688167B2 (en) * | 1993-10-12 | 1997-12-08 | 株式会社キトー | Hoisting and traction device |
| CN2299850Y (en) * | 1997-01-24 | 1998-12-09 | 李文东 | Hand and motor hoist |
| JPH10338476A (en) * | 1997-06-05 | 1998-12-22 | Hitachi Plant Eng & Constr Co Ltd | Lightweight electric chain block |
| CN200999188Y (en) * | 2007-01-08 | 2008-01-02 | 王鹏 | Hand-operated hoister empty stop clutching mechanism |
| CN201010475Y (en) * | 2007-07-04 | 2008-01-23 | 王鹏 | No-load braking engaging gear of chain block |
| CN201421981Y (en) * | 2008-11-02 | 2010-03-10 | 河南送变电建设公司 | Fully-automatic Bosun chair |
| CN201756426U (en) * | 2010-08-18 | 2011-03-09 | 尹波 | Hoist |
| JP5529689B2 (en) * | 2010-09-10 | 2014-06-25 | 株式会社キトー | Hoisting machine with built-in load-sensitive automatic transmission |
| CN106276670A (en) * | 2016-11-11 | 2017-01-04 | 天津市中能电力科技有限公司 | Charge split type loop chain traction apparatus |
-
2017
- 2017-12-04 CN CN201711261634.2A patent/CN107720581B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3176754D1 (en) * | 1980-11-07 | 1988-06-30 | Ederer Inc | Safety mechanism for hoisting drums |
| CN201058800Y (en) * | 2007-05-01 | 2008-05-14 | 杭州武林机器有限公司 | Lower-hanging connecting device |
| CN105253801A (en) * | 2015-11-10 | 2016-01-20 | 八达机电有限公司 | Electric block |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107720581A (en) | 2018-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107720581B (en) | Hand wheel and lever block and hoist device using same | |
| CN203141398U (en) | Electric wrench | |
| CN202225142U (en) | Double hook line tightening device | |
| CN103909492B (en) | Electric wrench | |
| CN203228183U (en) | Narrow rotating space bolt fastening device | |
| CN105415258A (en) | Chain driven wrench | |
| KR102065468B1 (en) | A fastening device in a narrow space | |
| CN102825570B (en) | Vertical double-electric-torque wrench | |
| JP3184850U (en) | Bolt / Nut Auxiliary Tool | |
| CN204809753U (en) | Turn -buckle is salvageed to electric power | |
| CN204935507U (en) | A kind of portable electric controlled valve spanner | |
| CN207326843U (en) | A kind of reaction torque self-supporting hydraulic wrench | |
| CN105666412A (en) | Live-line maintenance tool for power grid | |
| CN104985552A (en) | Electric transmission line iron tower bolt breaker | |
| CN212601548U (en) | Manual and semi-automatic double-mode steel bar socket wrench | |
| CN205290779U (en) | Chain drive spanner | |
| CN211491266U (en) | Fastener screw loosening device for sieve tube processing | |
| CN204538563U (en) | A kind of conductor clamp boost motor | |
| CN209774494U (en) | Wireless remote control insulation electric wrench | |
| CN205021485U (en) | Electronic open type oil pipe nut spanner | |
| CN204935508U (en) | A kind of portable electric tap wrench | |
| CN202137387U (en) | Reverser for quickly mounting and dismounting nuts in small space | |
| CN218875336U (en) | Pipeline screwing device | |
| CN221720347U (en) | Locking device for adjusting screw rod round locking nut | |
| CN218770941U (en) | Wire grip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |