CN108502773A - A kind of multifunctional hoisting device - Google Patents
A kind of multifunctional hoisting device Download PDFInfo
- Publication number
- CN108502773A CN108502773A CN201810379264.0A CN201810379264A CN108502773A CN 108502773 A CN108502773 A CN 108502773A CN 201810379264 A CN201810379264 A CN 201810379264A CN 108502773 A CN108502773 A CN 108502773A
- Authority
- CN
- China
- Prior art keywords
- guide
- runner
- guide runner
- slider guide
- face
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/20—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/26—Other details, e.g. housings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of multifunctional hoisting devices, including fuselage and first guide runner upward in the fuselage inner opening is set, it is communicated in first guide runner or so inner wall equipped with the second symmetrical guide runner, it is communicated in the first guide runner bottom interior wall equipped with opening upwards and symmetrical groove, the bottom portion of groove is equipped with oil cylinder, the second slide guide trench bottom is equipped with hydraulic cylinder, it is slidably connected with the first slider guide in first guide runner, it is slidably connected with the second slider guide in second guide runner, second slider guide is fixedly connected close to the end face end face on the other side of first slider guide, it is slidably connected with the propulsion arm extended up and down between second guide runner and hydraulic cylinder；The configuration of the present invention is simple, it is easy to operate, it promotes tonnage and increases, practical performance is higher.
Description
Technical field
The present invention relates to promote equipment technology field, specifically a kind of multifunctional hoisting device.
Background technology
With the development of science and technology, social progress, country promotes always high-tech development, is promoting equipment technology field
In, a relatively difficult technical problem is always existed, general lifting device, which there are problems that being promoted, to be short of power, if being promoted
In the case that power is enough, power source is arranged too many, causes mechanical part more, and power loss is larger, and manufacturing cost is larger,
This device efficiently solves the problems, such as this.
Invention content
Technical problem to be solved by the invention is to provide a kind of multifunctional hoisting devices, can solve above-mentioned present skill
The problems in art.
The present invention is achieved through the following technical solutions：A kind of multifunctional hoisting device of the present invention, including fuselage
And first guide runner upward in the fuselage inner opening is set, it is communicated equipped with opposite in described first guide runner or so inner wall
The second guide runner claimed is communicated equipped with opening upwards and symmetrical groove in the first guide runner bottom interior wall, described
Bottom portion of groove is equipped with oil cylinder, and the second slide guide trench bottom is equipped with hydraulic cylinder, is slidably connected in first guide runner
First slider guide is slidably connected with the second slider guide in second guide runner, and second slider guide is close to described
The end face end face on the other side of one slider guide is fixedly connected, and is slidably connected between second guide runner and hydraulic cylinder
The propulsion arm extended up and down, at the top of the propulsion arm extending end put in second guide runner and with second slider guide
Bottom end face is fixedly connected, and propulsion arm bottom extending end puts in the hydraulic cylinder and is fixedly connected with work in end
Plug, the piston are slidably connected with the hydraulic cylinder, and the third guide runner of opening upwards is equipped in first slider guide,
The third slide guide trench bottom is equipped with the first cavity, and third slider guide is slidably connected in the third guide runner, described
Third slider guide quadrangle screw-internal thread fit is connected with the first elevating screw thread bar extended up and down, the first elevating screw thread bar bottom
Extending end puts in first cavity and is equipped with the first tooth runner in end, is rotated in the first cavity bottom inner wall
It is connected with the first rotation axis for being located at the groove top and extending up and down, extending end is stretched at the top of first rotation axis
It is equipped with the second tooth runner in into first cavity and in end, first rotation axis bottom extending end puts in the groove
It is interior and be fixedly connected with the hexagonal rotation axis of more piece socket in end, motor, institute are equipped in the first cavity bottom inner wall
Motor top end is stated to be equipped with to the third tooth runner with the first tooth runner and the ratcheting connection of the second tooth runner,
The third slider guide top end surface is equipped with the supporting block for being located at and extending among the first elevating screw thread bar and up and down, described
Extending end stretches out outside first guide runner at the top of supporting block, and extrusion piston is slidably connected in the oil cylinder, described
Extrusion piston screw-internal thread fit is connected with the second elevating screw thread bar extended up and down, extends end at the top of the second elevating screw thread bar
End is put in the groove and end is fixedly connected with the hexagonal rotation axis bottom end, the second elevating screw thread bar bottom
Extending end is rotatably assorted with the oil cylinder bottom interior wall and connect, and interlinks between the oil cylinder and the hydraulic cylinder and is connected to oil
Pipe, fuselage right end end face are equipped with alarm device.
Preferably technical solution, the supporting block top end are equipped with open on three sides slot, the fuselage roof end face
It is equipped with the pedestal positioned at the first guide runner left end, the lift arm that left and right extends is hingedly connected on the pedestal, it is described
Lift arm runs through the open on three sides slot, and equipped with the guide-track groove extended along, three face is opened for front and back perforation in the lift arm
Be rotatably assorted the support shaft being connected with through the guide-track groove and front and back extension in mouth slot, and the support arm right end bottom is equipped with upper
The rope of lower extension, the rope bottom end are fixedly connected with hook.
Preferably technical solution, the alarm device include the alarm being arranged on fuselage right end end face
Body, the alarm body is interior to be equipped with the slippage slot of opening to the right, and slipping block, the cunning are slidably connected in the slippage slot
It moves block right end end face and is equipped with alarm, the sliding is equipped with left and right extends second and adjusts threaded rod soon, and described second adjusts
Section threaded rod left end end be connected by power has the 4th motor, the 4th motor outer surface to be embedded at the slippage slot left end
In inner wall and connection fixed thereto.
The beneficial effects of the invention are as follows：In the initial state due to equipment of the invention, first slider guide is located at institute
State the first guide runner bottommost, at this point, the hexagonal rotation axis is in most short status, the piston base in the hydraulic cylinder
Limited block abut, the extrusion piston is located at the oil cylinder top, meanwhile, the third slider guide, which is located at the third, leads
Sliding slot bottommost, the supporting block are utmostly put in first guide runner, at this point, the support shaft is located at the guide rail
Slot left end, the support arm is in horizontality, consequently facilitating the maintenance of device.
When the equipment using the present invention carries out promotion work, device is moved to the required side for promoting object first, it will
The hook is connect with required promotion object, is then started the motor and is driven the third tooth runner rotation, the third tooth
First tooth runner described in driven by rotating wheel and the second tooth runner rotate, the first elevating screw thread described in the first tooth driven by rotating wheel
Bar rotates, and the third slider guide and the supporting block is made integrally to move up, and the supporting block passes through described in support shaft drive
Support arm rotates counterclockwise, to promote object, simultaneously as the first rotation axis described in the second tooth driven by rotating wheel rotates,
First rotation axis drives the hexagonal rotation axis rotation, the hexagonal rotation axis that the second elevating screw thread bar is driven to turn
It is dynamic, so that the pressurizing piston is moved down, so that the piston is moved up to squeeze oil, the piston makes described the by the propulsion arm
Two slider guides move up, and second slider guide drives first slider guide to move up, it is possible to increase adherence pressure, to improve device
Promote effect.
When promotion, which finishes, needs storage, then starts the motor and the third tooth runner is driven to rotate backward, institute
It states the first tooth runner and the second tooth runner described in third tooth driven by rotating wheel to rotate backward, described in the first tooth driven by rotating wheel
First elevating screw thread bar rotates backward, and so that the third slider guide and the supporting block is integrally moved down, the supporting block passes through institute
Stating support shaft drives the support arm to rotate clockwise, to restore support arm state, simultaneously as the second tooth runner band
It moves first rotation axis to rotate backward, first rotation axis drives the hexagonal rotation axis to rotate backward, and the hexagonal turns
Moving axis drives the second elevating screw thread bar to rotate backward, and so that the pressurizing piston is moved up, makes on the piston to squeeze oil
It moves, the piston makes second slider guide move down by the propulsion arm, and second slider guide drives first slide guide
Block moves down, to improve the practical performance of device.
The configuration of the present invention is simple, it is easy to operate, it realizes double acting power drive lifting force by using using the same power source, carries
Liter tonnage is larger, and equipment is light and handy, cheap, and practical performance is higher.
Description of the drawings
The present invention is described in detail by following specific embodiment and attached drawing for ease of explanation,.
Fig. 1 is overall structure diagram inside a kind of multifunctional hoisting device of the present invention.
Specific implementation mode
As shown in Figure 1, a kind of multifunctional hoisting device of the present invention, including fuselage 100 and setting are in the fuselage 100
The first upward guide runner 121 of inner opening is communicated equipped with the second symmetrical slide guide in first guide runner, 121 or so inner wall
Slot 129 is communicated equipped with opening upwards and symmetrical groove 116, the groove in first guide runner, 121 bottom interior wall
116 bottoms are equipped with oil cylinder 109, and 129 bottom of the second guide runner is equipped with hydraulic cylinder 113, is slided in first guide runner 121
It is connected with the first slider guide 102, is slidably connected with the second slider guide 130 in second guide runner 129, described
Two slider guides 130 are fixedly connected close to the end face end face on the other side of first slider guide 102, second guide runner
The propulsion arm 107 extended up and down, 107 top extending end of the propulsion arm are slidably connected between 129 and hydraulic cylinder 113
It puts in second guide runner 129 and is fixedly connected with 130 bottom end face of the second slider guide, 107 bottom of the propulsion arm
Portion's extending end puts in the hydraulic cylinder 113 and is fixedly connected with piston 112, the piston 112 and the hydraulic pressure in end
Cylinder 113 is slidably connected, and the third guide runner 101 of opening upwards, the third slide guide are equipped in first slider guide 102
101 bottom of slot is equipped with the first cavity 105, and third slider guide 104 is slidably connected in the third guide runner 101, described
104 4 jiaos of screw-internal thread fits of third slider guide are connected with the first elevating screw thread bar 103 extended up and down, first elevating screw thread
103 bottom extending end of bar puts in first cavity 105 and is equipped with the first tooth runner 106, first cavity in end
Be rotatably assorted the first rotation axis 117 being connected with positioned at the groove 116 top and extending up and down in 105 bottom interior wall bodies, institute
It states extending end at the top of the first rotation axis to put in first cavity 105 and be equipped with the second tooth runner 118 in end, described the
One rotation axis, 117 bottom extending end puts in the groove 116 and is fixedly connected with the hexagonal rotation of more piece socket in end
Axis 115, is equipped with motor 131 in 105 bottom interior wall of the first cavity, 131 top end of the motor be equipped with to
The third tooth runner 119 of the first tooth runner 106 and the 118 ratcheting connection of the second tooth runner, the third slider guide 104
Top end surface is equipped with the supporting block 120 for being located at and extending among the first elevating screw thread bar 103 and up and down, the supporting block
120 top extending ends stretch out outside first guide runner 121, and extrusion piston is slidably connected in the oil cylinder 109
108,108 screw-internal thread fit of the extrusion piston is connected with the second elevating screw thread bar 114 extended up and down, the second lifting spiral shell
114 top extending end of rasp bar is put in the groove 116 and end is fixed with 115 bottom end of hexagonal rotation axis and connected
It connects, the 114 bottom extending end of the second elevating screw thread bar is rotatably assorted with 109 bottom interior wall of the oil cylinder to be connect, the oil
It interlinks between cylinder 109 and the hydraulic cylinder 113 and is connected to oil pipe 110,100 right end end face of the fuselage is equipped with alarm device.
Valuably, 120 top end of the supporting block is equipped with open on three sides slot 125, is set in 100 top end surface of the fuselage
There is the pedestal 128 positioned at 121 left end of the first guide runner, the lift arm that left and right extends is hingedly connected on the pedestal 128
127, the lift arm 127 runs through the open on three sides slot 125, and front and back perforation, which is equipped with, in the lift arm 127 extends along
Guide-track groove 126, be rotatably assorted in the open on three sides slot 125 support being connected with through the guide-track groove 126 and front and back extension
Axis 124,127 right end bottom of the support arm are equipped with the rope 123 extended up and down, and 123 bottom end of the rope is fixedly connected
There is hook 122.
Valuably, the alarm device includes the alarm body 200 being arranged on 100 right end end face of the fuselage, described
It is equipped with the slippage slot 201 of opening to the right in alarm body 200, slipping block 203 is slidably connected in the slippage slot 201,
203 right end end face of the slipping block is equipped with alarm 202, and the sliding fast 203 is equipped with left and right extends second and adjusts spiral shell
Rasp bar 204, the second adjusting 204 left end end be connected by power of threaded rod have the 4th motor 205, the 4th motor
205 outer surfaces are embedded in 201 left end inner wall of the slippage slot and connection fixed thereto.
In the initial state, first slider guide 102 is located at first guide runner, 121 most bottom to the equipment of the present invention
Portion, at this point, the hexagonal rotation axis 115 is in most short status, 112 bottom of the piston and the limit in the hydraulic cylinder 113
Block abuts, and the extrusion piston 108 is located at 109 top of the oil cylinder, meanwhile, the third slider guide 104 is positioned at described the
Three guide runners, 101 bottommost, the supporting block 120 is utmostly put in first guide runner 121, at this point, the support
Axis 124 is located at 126 left end of the guide-track groove, and the support arm 126 is in horizontality.
When the equipment using the present invention carries out promotion work, device is moved to the required side for promoting object first, it will
The hook 122 is connect with required promotion object, then starts the motor 131 and the third tooth runner 119 is driven to rotate, institute
Stating third tooth runner 119 drives the first tooth runner 106 and the second tooth runner 118 to rotate, the first tooth runner 106
It drives the first elevating screw thread bar 103 to rotate, the third slider guide 104 and the supporting block 120 is made integrally to move up, it is described
Supporting block 120 drives the support arm 127 to rotate counterclockwise by the support shaft 124, to promote object, simultaneously as
The second tooth runner 118 drives first rotation axis 117 to rotate, and first rotation axis 117 drives the hexagonal to rotate
Axis 115 rotates, and the hexagonal rotation axis 115 drives the second elevating screw thread bar 114 to rotate, and makes under the pressurizing piston 108
It moves, so that the piston 112 is moved up to squeeze oil, the piston 112 makes second slider guide by the propulsion arm 107
130 move up, and second slider guide 130 drives first slider guide 102 to move up, it is possible to increase adherence pressure.
When promotion, which finishes, needs storage, then starts the motor 131 and the third tooth runner 119 is driven reversely to turn
Dynamic, the third tooth runner 119 drives the first tooth runner 106 and the second tooth runner 118 to rotate backward, and described first
Tooth runner 106 drives the first elevating screw thread bar 103 to rotate backward, and makes the third slider guide 104 and the supporting block 120
It integrally moves down, the supporting block 120 drives the support arm 127 to rotate clockwise by the support shaft 124, to restore to prop up
127 state of brace, simultaneously as the second tooth runner 118 drives first rotation axis 117 to rotate backward, described first
Rotation axis 117 drives the hexagonal rotation axis 115 to rotate backward, and the hexagonal rotation axis 115 drives second elevating screw thread
Bar 114 rotates backward, and the pressurizing piston 108 is made to move up, and so that the piston 112 is moved up to squeeze oil, and the piston 112 is logical
Crossing the propulsion arm 107 makes second slider guide 130 move down, and second slider guide 130 drives first slider guide 102
It moves down.
The beneficial effects of the invention are as follows：In the initial state due to equipment of the invention, first slider guide is located at institute
State the first guide runner bottommost, at this point, the hexagonal rotation axis is in most short status, the piston base in the hydraulic cylinder
Limited block abut, the extrusion piston is located at the oil cylinder top, meanwhile, the third slider guide, which is located at the third, leads
Sliding slot bottommost, the supporting block are utmostly put in first guide runner, at this point, the support shaft is located at the guide rail
Slot left end, the support arm is in horizontality, consequently facilitating the maintenance of device.
When the equipment using the present invention carries out promotion work, device is moved to the required side for promoting object first, it will
The hook is connect with required promotion object, is then started the motor and is driven the third tooth runner rotation, the third tooth
First tooth runner described in driven by rotating wheel and the second tooth runner rotate, the first elevating screw thread described in the first tooth driven by rotating wheel
Bar rotates, and the third slider guide and the supporting block is made integrally to move up, and the supporting block passes through described in support shaft drive
Support arm rotates counterclockwise, to promote object, simultaneously as the first rotation axis described in the second tooth driven by rotating wheel rotates,
First rotation axis drives the hexagonal rotation axis rotation, the hexagonal rotation axis that the second elevating screw thread bar is driven to turn
It is dynamic, so that the pressurizing piston is moved down, so that the piston is moved up to squeeze oil, the piston makes described the by the propulsion arm
Two slider guides move up, and second slider guide drives first slider guide to move up, it is possible to increase adherence pressure, to improve device
Promote effect.
When promotion, which finishes, needs storage, then starts the motor and the third tooth runner is driven to rotate backward, institute
It states the first tooth runner and the second tooth runner described in third tooth driven by rotating wheel to rotate backward, described in the first tooth driven by rotating wheel
First elevating screw thread bar rotates backward, and so that the third slider guide and the supporting block is integrally moved down, the supporting block passes through institute
Stating support shaft drives the support arm to rotate clockwise, to restore support arm state, simultaneously as the second tooth runner band
It moves first rotation axis to rotate backward, first rotation axis drives the hexagonal rotation axis to rotate backward, and the hexagonal turns
Moving axis drives the second elevating screw thread bar to rotate backward, and so that the pressurizing piston is moved up, makes on the piston to squeeze oil
It moves, the piston makes second slider guide move down by the propulsion arm, and second slider guide drives first slide guide
Block moves down, to improve the practical performance of device.
The configuration of the present invention is simple, it is easy to operate, it realizes double acting power drive lifting force by using using the same power source, carries
Liter tonnage is larger, and equipment is light and handy, cheap, and practical performance is higher.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (3)
1. a kind of multifunctional hoisting device, including fuselage and first guide runner upward in the fuselage inner opening is set,
It is characterized in that：It is communicated in first guide runner or so inner wall equipped with the second symmetrical guide runner, first guide runner bottom
It is communicated in portion's inner wall equipped with opening upwards and symmetrical groove, the bottom portion of groove is equipped with oil cylinder, second guide runner
Bottom is equipped with hydraulic cylinder, and the first slider guide is slidably connected in first guide runner, is slided in second guide runner
It is connected with the second slider guide, second slider guide is fixed close to the end face end face on the other side of first slider guide
Connection is slidably connected with the propulsion arm extended up and down, the propulsion arm top between second guide runner and hydraulic cylinder
Extending end puts in second guide runner and is fixedly connected with the second slider guide bottom end face, the propulsion arm bottom
Extending end puts in the hydraulic cylinder and is fixedly connected with piston in end, and the piston and the hydraulic cylinder are slidably matched company
It connects, the third guide runner of opening upwards is equipped in first slider guide, the third slide guide trench bottom is equipped with the first cavity, institute
It states and is slidably connected with third slider guide in third guide runner, third slider guide quadrangle screw-internal thread fit is connected with up and down
The the first elevating screw thread bar extended, the first elevating screw thread bar bottom extending end are put in first cavity and in end
Equipped with the first tooth runner, it is rotatably assorted and is connected with positioned at the groove top and upper downward in the first cavity bottom inner wall
The first rotation axis stretched, the first rotation axis top extending end put in first cavity and are equipped with the second tooth in end
Runner, first rotation axis bottom extending end put in the groove and are fixedly connected with the hexagonal of more piece socket in end
Rotation axis, is equipped with motor in the first cavity bottom inner wall, and the motor top end is equipped with to described first
The third tooth runner of tooth runner and the ratcheting connection of the second tooth runner, the third slider guide top end surface, which is equipped with, is located at institute
The supporting block extended among the first elevating screw thread bar and up and down is stated, extending end stretches out first slide guide at the top of the supporting block
Outside slot, it is slidably connected with extrusion piston in the oil cylinder, the extrusion piston screw-internal thread fit is connected with to be extended up and down
Second elevating screw thread bar, the second elevating screw thread bar top extending end is put in the groove and end turns with the hexagonal
Moving axis bottom end is fixedly connected, and the second elevating screw thread bar bottom extending end is rotatably assorted with the oil cylinder bottom interior wall
Connection, interlinks between the oil cylinder and the hydraulic cylinder and is connected to oil pipe, and fuselage right end end face is equipped with alarm device.
2. a kind of multifunctional hoisting device according to claim 1, it is characterised in that：The supporting block top end is equipped with
Open on three sides slot, the fuselage roof end face are equipped with the pedestal positioned at the first guide runner left end, are hinged on the pedestal
It is connected with the lift arm that left and right extends, the lift arm runs through the open on three sides slot, and front and back penetrate through is equipped in the lift arm
The guide-track groove extended along, be rotatably assorted in the open on three sides slot support being connected with through the guide-track groove and front and back extension
Axis, support arm right end bottom are equipped with the rope extended up and down, and the rope bottom end is fixedly connected with hook.
3. a kind of multifunctional hoisting device according to claim 1, it is characterised in that：The alarm device includes that setting exists
Alarm body on fuselage right end end face, is equipped with the slippage slot of opening to the right in the alarm body, in the slippage slot
It is slidably connected with slipping block, slipping block right end end face is equipped with alarm, and the sliding is equipped with left and right and extends soon
Second adjust threaded rod, second adjusting threaded rod left end end be connected by power has the 4th motor, and the described 4th is electronic
Machine outer surface is embedded in the slippage slot left end inner wall and connection fixed thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379264.0A CN108502773A (en) | 2018-04-25 | 2018-04-25 | A kind of multifunctional hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379264.0A CN108502773A (en) | 2018-04-25 | 2018-04-25 | A kind of multifunctional hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108502773A true CN108502773A (en) | 2018-09-07 |
Family
ID=63383219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810379264.0A Withdrawn CN108502773A (en) | 2018-04-25 | 2018-04-25 | A kind of multifunctional hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108502773A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847349A (en) * | 2020-08-19 | 2020-10-30 | 程鹏 | Bottle plug stable labor-saving opening device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4025055A (en) * | 1974-07-30 | 1977-05-24 | Strolenberg Willem Josef Georg | Apparatus for use in raising or lowering a load in a condition of relative motion |
| CN102180423A (en) * | 2011-05-07 | 2011-09-14 | 山东电力集团公司超高压公司 | Special hoisting tool for replacing capacitor bank |
| CN102336368A (en) * | 2011-09-08 | 2012-02-01 | 牛保敏 | Explosion-proof type mining double-track motor crane |
| CN104261272A (en) * | 2014-09-16 | 2015-01-07 | 连云港佳普石化机械有限公司 | Hose crane |
-
2018
- 2018-04-25 CN CN201810379264.0A patent/CN108502773A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4025055A (en) * | 1974-07-30 | 1977-05-24 | Strolenberg Willem Josef Georg | Apparatus for use in raising or lowering a load in a condition of relative motion |
| CN102180423A (en) * | 2011-05-07 | 2011-09-14 | 山东电力集团公司超高压公司 | Special hoisting tool for replacing capacitor bank |
| CN102336368A (en) * | 2011-09-08 | 2012-02-01 | 牛保敏 | Explosion-proof type mining double-track motor crane |
| CN104261272A (en) * | 2014-09-16 | 2015-01-07 | 连云港佳普石化机械有限公司 | Hose crane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847349A (en) * | 2020-08-19 | 2020-10-30 | 程鹏 | Bottle plug stable labor-saving opening device |
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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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 315500 No. 21, Shang Zhi street, Shang Tian Town, Fenghua District, Ningbo, Zhejiang. Applicant after: Ningbo Han chart Machinery Design Co., Ltd. Address before: 315000 Jiangnan Road, Yinzhou District, Ningbo, Zhejiang 289 Applicant before: Ningbo Yinzhou District Yuan Xiang Industrial Product Design Co., Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180907 |