CN110342392A - A kind of new construction cylinder body combination core coating transportation lifting appliance - Google Patents
A kind of new construction cylinder body combination core coating transportation lifting appliance Download PDFInfo
- Publication number
- CN110342392A CN110342392A CN201910633568.XA CN201910633568A CN110342392A CN 110342392 A CN110342392 A CN 110342392A CN 201910633568 A CN201910633568 A CN 201910633568A CN 110342392 A CN110342392 A CN 110342392A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- speed reducer
- lifting appliance
- pull rod
- fixedly installed
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
- B22C23/02—Devices for coating moulds or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
- B66C1/30—Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads
Abstract
The present invention provides a kind of new construction cylinder body combination core coating transportation lifting appliance, including crossbeam, armstand pull rod and clamping limb；There are two cylinders for the bottom fixed symmetrical installation of the crossbeam；The top of the clamping limb is fixedly installed a pull rod attachment base.The coating transportation lifting appliance of the present apparatus on armstand pull rod by making a call to a round, clamping limb is located in different hole locations with pin, to adjust the stroke that clamping limb is opened with clamped, adapt to the needs of different cylinder bodies, and this structure needs the right and left to pass through bearing only to realize sliding, structure is more simple and compact, reduce the difficulty of processing and manufacturing, the cylinder body of the present apparatus combines core coating transportation lifting appliance, pass through some simple adjustings and quick change, it can be achieved with the general a set of suspender of multiple cylinder bodies, improve working efficiency, simplify the management of tooling die clamper, reduce the investment and processing and manufacturing of some repeatability, cost is saved, it is suitable for the combination core coating transhipment of Multiple Type cylinder body, and structure is simpler compact.
Description
Technical field
The invention belongs to mechanical equipment technical fields, and more specifically, in particular to a kind of new construction cylinder body combines sand core
Coating transportation lifting appliance.
Background technique
After cylinder body sand core combines on group core platform, coating station is grabbed by coating transportation lifting appliance, is drenched
Painting or dip-coating, then be put on core carrier and enter baker drying, this just needs to be shifted using transportation lifting appliance.
Based on above-mentioned, have the following problems when in use: the opening and clamping of present coating transportation lifting appliance clamping limb
Stroke is substantially fixation, and two pieces of grip blocks are also to be designed according to corresponding shape of block, non-exchange, therefore each
Cylinder body all corresponds to a coating transportation lifting appliance, does not have versatility, brings a great deal of trouble to the management of moulds of industrial equipment, and to one
It is a kind of investment of repeatability for a little similar cylinder bodies, fabricates, and a kind of covert waste, and crossbeam and folder
Sliding is realized by bearing in four sides up and down between gripping arm, processing and manufacturing is required relatively high.
Summary of the invention
The purpose of the present invention is to provide a kind of new construction cylinder bodies to combine core coating transportation lifting appliance, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of new construction cylinder body combination core coating transportation lifting appliance, including crossbeam, crane boom, cylinder, protective cover, armstand are drawn
Bar, slide plate, slide plate connecting column, hexagon socket cap head screw, 6204 axle beds, 6204 axis, No.1 bearing, No. two bearings, 6206 axis,
Guide rail A, guide rail B, pull rod attachment base, pin, clamping limb, speed reducer connecting bracket, handwheel, turbine holding rod speed reducer, speed reducer
Connecting shaft, speed reducer coupling, outer bearing cover, driving shaft, tapered roller bearing, inside cap, axis connection circle, grip block installation
Plate, back end grip plate, sand core positioning head, front end grip block, fixing seat, 6021 axis, No. three bearings, from fixed handle clamping ring, from
Fixed handle connection sheet and from fixed handle；A crane boom is fixedly installed at the top of the crossbeam；Outside the two sides of the crossbeam
It is fixedly installed with a protective cover；There are two cylinders for the bottom fixed symmetrical installation of the crossbeam；Two cylinders it is another
One end is fixedly connected to an armstand pull rod；The front and rear sides at the crossbeam both ends are symmetrically arranged with one slide-plate, and every
It is fixedly connected by four slide plate connecting columns and hexagon socket cap head screw between the symmetrical slide plate in group front and back；The folder
The top of gripping arm is fixedly installed a pull rod attachment base；The side of two pull rod attachment bases respectively with armstand pull rod
The other end is fixedly connected；The pin passes through the pull rod attachment base at the top of armstand pull rod and is fixed on the inside of two slide plates；
The front and rear sides of the crossbeam are also provided with one group of symmetrical guide rail A and one group of symmetrical guide rail B；It is respectively mounted on the slide plate
There are four group of 6204 axle bed, 6204 axis and No.1 bearing, and No.1 bearing fits with guide rail B；It is also mounted on the slide plate
Two groups of No. two bearings and 6206 axis, and No. two bearings are between guide rail A；One side bottom of one of them clamping limb is fixed
One speed reducer connecting bracket is installed；The bottom side of the speed reducer connecting bracket is fixedly connected with a turbine holding rod and subtracts
Fast machine；The inside of the turbine holding rod speed reducer, which is embedded in, is equipped with a speed reducer connecting shaft；The speed reducer connecting shaft
One end is fixedly installed with a handwheel；Also activity insertion is equipped with a driving shaft to the bottom inside of the clamping limb, and main
The two sides of moving axis are also provided with a tapered roller bearing；The outside of two tapered roller bearings also passes through screw respectively
It is fixedly installed with an outer bearing cover and an inside cap；The other end of the speed reducer connecting shaft is fixedly installed with one and subtracts
Fast machine shaft coupling, and the other side of speed reducer coupling is connected by one end of embedded structure and driving shaft；The driving shaft
It is fixedly installed an axis connection circle on the outside of the other end, and this one end of driving shaft is also fixedly installed with one group of grip block mounting plate
With back end grip plate；Driving shaft one end of the bottom of another clamping limb is fixedly installed with a front end grip block；It is described
If the side of front end grip block is fixedly installed with dry sand core positioning head；The other side of the front end grip block has been symmetrically mounted at the bottom of
Two group of 6021 fixing seat, 6021 axis and No. three bearings；The driving shaft other end of the bottom of this clamping limb is also fixedly mounted
Have one group from fixed handle clamping ring, from fixed handle connection sheet and from fixed handle.
Further, the circular through hole of row's equidistant arrangement is fixedly installed on the armstand pull rod, and pin may pass through
Armstand pull rod, clamping limb and slide plate simultaneously fix three.
Further, the back end grip plate and front end grip block are detachable changeable type structure.
Further, the slide plate can drive clamping limb to move left and right by No.1 bearing and No. two bearing supports.
Compared with prior art, the invention has the following beneficial effects:
The coating transportation lifting appliance of the present apparatus is located in different by making a call to a round, clamping limb on armstand pull rod with pin
Hole location adapts to the needs of different cylinder bodies, and this structure only needs the right and left logical to adjust the stroke that clamping limb is opened with clamped
Bearing is crossed to realize sliding, structure is more simple and compact, reduces the difficulty of processing and manufacturing, and the cylinder body combination core coating of the present apparatus turns
Fortune suspender can be achieved with the general a set of suspender of multiple cylinder bodies, improve working efficiency by some simple adjustings and quick change,
The management for simplifying tooling die clamper reduces the investment and processing and manufacturing of some repeatability, has saved cost, is suitable for a variety of
Model cylinder body combines core coating transhipment, and structure is simpler compact.
Detailed description of the invention
Fig. 1 is main cross section structure diagram of the invention.
Fig. 2 is side schematic cross-sectional view of the invention.
Fig. 3 is overlooking structure diagram of the invention.
In figure, the corresponding relationship of component names and accompanying drawing number are as follows:
1, crossbeam；2, crane boom；3, cylinder；4, protective cover；5, armstand pull rod；6, slide plate；7, slide plate connecting column；8, interior six
Angle fillister head screw；9,6204 axle bed；10,6204 axis；11, No.1 bearing；12, No. two bearings；13,6206 axis；14, guide rail A；
15, guide rail B；16, pull rod attachment base；17, pin；18, clamping limb；19, speed reducer connecting bracket；20, handwheel；21, turbine is held
Bar speed reducer；22, speed reducer connecting shaft；23, speed reducer coupling；24, outer bearing cover；25, driving shaft；26, taper roller axis
It holds；27, inside cap；28, axis connection circle；29, grip block mounting plate；30, back end grip plate；31, sand core positioning head；32, preceding
Hold grip block；33,6021 fixing seat；34,6021 axis；35, No. three bearings；36, from fixed handle clamping ring；37, connect from fixed handle
Contact pin；38, from fixed handle.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment:
As shown in attached drawing 1 to attached drawing 3:
The present invention provides a kind of new construction cylinder body combination core coating transportation lifting appliance, including crossbeam 1, crane boom 2, cylinder 3,
Protective cover 4, armstand pull rod 5, slide plate 6, slide plate connecting column 7, hexagon socket cap head screw 8,6204 axle beds 9,6204 axis 10, No.1
11, No. two bearings 12 of bearing, guide rail A14, guide rail B15, pull rod attachment base 16, pin 17, clamping limb 18, slow down at 6206 axis 13
Machine connecting bracket 19, handwheel 20, turbine holding rod speed reducer 21, speed reducer connecting shaft 22, speed reducer coupling 23, outer bearing cover
24, driving shaft 25, tapered roller bearing 26, inside cap 27, axis connection circle 28, grip block mounting plate 29, back end grip plate 30,
Sand core positioning head 31, front end grip block 32,6021 fixing seats 33,6021 axis, 34, No. three bearings 35, from fixed handle clamping ring 36,
From fixed handle connection sheet 37 and from fixed handle 38；The top of the crossbeam 1 is fixedly installed with a crane boom 2；The crossbeam 1
A protective cover 4 is fixedly installed with outside two sides；There are two cylinders 3 for the bottom fixed symmetrical installation of the crossbeam 1；Two institutes
The other end for stating cylinder 3 is fixedly connected to an armstand pull rod 5；The front and rear sides at 1 both ends of crossbeam are symmetrically arranged with
One slide-plate 6, and pass through four slide plate connecting columns 7 and interior hexagonal cylindrical head spiral shell between the symmetrical slide plate 6 in every group of front and back
Nail 8 is fixedly connected；The top of the clamping limb 18 is fixedly installed a pull rod attachment base 16；Two pull rod attachment bases
16 side is fixedly connected with the other end of armstand pull rod 5 respectively；The pin 17 passes through the pull rod connection at 5 top of armstand pull rod
Seat 16 is simultaneously fixed in two slide plates, 6 inside；The front and rear sides of the crossbeam 1 are also provided with one group of symmetrical guide rail A14
With one group of symmetrical guide rail B15；Four group of 6204 axle bed 9,6204 axis 10 and No.1 bearing 11 are mounted on the slide plate 6, and
No.1 bearing 11 fits with guide rail B15；Two groups of No. two axis of bearing 12 and 6,206 13, and two are also mounted on the slide plate 6
Number bearing 12 is between guide rail A14；One side bottom of one of them clamping limb 18 is fixedly installed with a speed reducer and connects
Connect bracket 19；The bottom side of the speed reducer connecting bracket 19 is fixedly connected with a turbine holding rod speed reducer 21；The whirlpool
The inside of wheel holding rod speed reducer 21, which is embedded in, is equipped with a speed reducer connecting shaft 22；One end of the speed reducer connecting shaft 22 is solid
Dingan County is equipped with a handwheel 20；Also activity insertion is equipped with a driving shaft 25 to the bottom inside of the clamping limb 18, and main
The two sides of moving axis 25 are also provided with a tapered roller bearing 26；The outside of two tapered roller bearings 26 also leads to respectively
It crosses screw and is fixedly installed with an outer bearing cover 24 and an inside cap 27；The other end of the speed reducer connecting shaft 22 is fixed
One speed reducer coupling 23 is installed, and the other side of speed reducer coupling 23 passes through one end of embedded structure and driving shaft 25
Connection；It is fixedly installed an axis connection circle 28 on the outside of the other end of the driving shaft 25, and this one end of driving shaft 25 is also solid
Dingan County is equipped with one group of grip block mounting plate 29 and back end grip plate 30；The driving shaft 25 1 of the bottom of another clamping limb 18
End is fixedly installed with a front end grip block 32；If the side of the front end grip block 32 is fixedly installed with dry sand core positioning head
31；The other side of the front end grip block 32 has been symmetrically mounted at the bottom of two group of 6021 fixing seat 33,6021 axis 34 and No. three bearings
35；25 other end of driving shaft of the bottom of this clamping limb 18 be also fixedly installed with one group from fixed handle clamping ring 36, from
Fixed handle connection sheet 37 and from fixed handle 38.
Wherein, be fixedly installed the circular through hole of row's equidistant arrangement on the armstand pull rod 5, and pin 17 may pass through it is vertical
Arm brace 5, clamping limb 18 and slide plate 6 simultaneously fix three, and the coating transportation lifting appliance of the present apparatus is by making a call to one on armstand pull rod 5
Round, clamping limb 18 are located in different hole locations with pin 17, to adjust the stroke that clamping limb 18 is opened with clamped, adapt to different
The needs of cylinder body.
Wherein, the back end grip plate 30 and front end grip block 32 are detachable changeable type structure, to realize difference
Quick-replaceable between cylinder body is able to achieve the general a set of suspender of multiple cylinder bodies.
Wherein, the slide plate 6 can be moved left and right by No.1 bearing 11 and No. two 12 supporting drive clamping limbs 18 of bearing, this dress
The clamping limb 18 set can be located in different hole locations with pin 17, to adjust the stroke that clamping limb 18 is opened with clamped, adapt to not
With the needs of cylinder body, reduces the investment and processing and manufacturing of some repeatability, saved cost.
The specifically used mode and effect of the present embodiment:
In the present invention, the coating transportation lifting appliance of the present apparatus uses pin by making a call to a round, clamping limb 18 on armstand pull rod 5
17 are located in different hole locations, to adjust the stroke that clamping limb 18 is opened with clamped, adapt to the needs of different cylinder bodies, meanwhile, two
It is made into replaceable fixed structure between two pieces of grip blocks and clamping limb 18 at end, realizes quick-replaceable between different cylinder bodies, and
This structure needs the right and left to pass through bearing only to realize sliding, and structure is more simple and compact, reduces the difficulty of processing and manufacturing, the present apparatus
Cylinder body combination core coating transportation lifting appliance it is general a set of to can be achieved with multiple cylinder bodies by some simple adjustings and quick change
Suspender improves working efficiency, simplifies the management of tooling die clamper, reduces the investment and processing and manufacturing of some repeatability,
Cost has been saved, has been suitable for the combination core coating transhipment of Multiple Type cylinder body, and structure is simpler compact.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (8)
1. a kind of new construction cylinder body combines core coating transportation lifting appliance, it is characterised in that: the new construction cylinder body combines core coating
Transportation lifting appliance includes crossbeam (1), crane boom (2), cylinder (3), protective cover (4), armstand pull rod (5), slide plate (6), slide plate connection
Column (7), hexagon socket cap head screw (8), 6204 axle beds (9), 6204 axis (10), No.1 bearing (11), No. two bearings (12),
6206 axis (13), guide rail A (14), guide rail B (15), pull rod attachment base (16), pin (17), clamping limb (18), speed reducer connection
Bracket (19), handwheel (20), turbine holding rod speed reducer (21), speed reducer connecting shaft (22), speed reducer coupling (23), outer bearing
Cover (24), driving shaft (25), tapered roller bearing (26), inside cap (27), axis connection circle (28), grip block mounting plate
(29), back end grip plate (30), sand core positioning head (31), front end grip block (32), 6021 fixing seats (33), 6021 axis (34),
No. three bearings (35), from fixed handle clamping ring (36), from fixed handle connection sheet (37) and from fixed handle (38)；The crossbeam (1)
Top be fixedly installed with a crane boom (2)；A protective cover (4) is fixedly installed with outside the two sides of the crossbeam (1)；
There are two cylinder (3) for the bottom fixed symmetrical installation of the crossbeam (1)；The other end of two cylinders (3) is fixedly connected with
There is an armstand pull rod (5)；The front and rear sides at crossbeam (1) both ends are symmetrically arranged with one slide-plate (6), and every group of front and back
It is fixedly connected by four slide plate connecting columns (7) and hexagon socket cap head screw (8) between the symmetrical slide plate (6)；Institute
The top for stating clamping limb (18) is fixedly installed a pull rod attachment base (16)；The side of two pull rod attachment bases (16)
It is fixedly connected respectively with the other end of armstand pull rod (5)；The pin (17) passes through the pull rod attachment base at the top of armstand pull rod (5)
(16) it and is fixed on the inside of two slide plates (6)；The front and rear sides of the crossbeam (1) are also provided with one group of symmetrical guide rail
A (14) and one group of symmetrical guide rail B (15)；Be mounted on the slide plate (6) four group of 6204 axle bed (9), 6204 axis (10) and
No.1 bearing (11), and No.1 bearing (11) fits with guide rail B (15)；Two groups No. two are also mounted on the slide plate (6)
Bearing (12) and 6206 axis (13), and No. two bearings (12) are located between guide rail A (14)；One of them clamping limb (18)
One side bottom is fixedly installed with a speed reducer connecting bracket (19)；The bottom side of the speed reducer connecting bracket (19) is fixed
It is connected with a turbine holding rod speed reducer (21)；The inside of the turbine holding rod speed reducer (21), which is embedded in, is equipped with a deceleration
Machine connecting shaft (22)；One end of the speed reducer connecting shaft (22) is fixedly installed with a handwheel (20)；The clamping limb (18)
Bottom inside also activity insertion one driving shaft (25) is installed, and the two sides of driving shaft (25) are also provided with a circle
Taper roller bearing (26)；The outside of two tapered roller bearings (26) is also mounted by means of screws with an outer shaft respectively
Hold lid (24) and an inside cap (27).
2. new construction cylinder body as described in claim 1 combines core coating transportation lifting appliance, it is characterised in that: the back end grip plate
(30) and front end grip block (32) is detachable changeable type structure.
3. new construction cylinder body as described in claim 1 combines core coating transportation lifting appliance, it is characterised in that: the spring (4)
Quantity is 3 or 4, and on the equidistant lower end surface for being connected to square hole (2).
4. new construction cylinder body as described in claim 1 combines core coating transportation lifting appliance, it is characterised in that: the slide plate (6) can
It is moved left and right by No.1 bearing (11) and No. two bearing (12) supporting drive clamping limbs (18).
5. new construction cylinder body as described in claim 1 combines core coating transportation lifting appliance, it is characterised in that: the speed reducer connection
The other end of axis (22) is fixedly installed with a speed reducer coupling (23), and the other side of speed reducer coupling (23) pass through it is embedding
Structure is closed to connect with one end of driving shaft (25).
6. new construction cylinder body as described in claim 1 combines core coating transportation lifting appliance, it is characterised in that: the driving shaft (25)
The other end on the outside of be fixedly installed an axis connection circle (28), and this one end of driving shaft (25) is also fixedly installed with one group of folder
Hold plate mounting plate (29) and back end grip plate (30)；Driving shaft (25) one end of the bottom of another clamping limb (18) is fixed
One front end grip block (32) is installed.
7. new construction cylinder body as described in claim 1 combines core coating transportation lifting appliance, it is characterised in that: the front end grip block
(32) if side be fixedly installed with dry sand core positioning head (31).
8. new construction cylinder body as described in claim 1 combines core coating transportation lifting appliance, it is characterised in that: the front end grip block
(32) the other side has been symmetrically mounted at the bottom of two group of 6021 fixing seat (33), 6021 axis (34) and No. three bearings (35)；This institute
State the bottom of clamping limb (18) driving shaft (25) other end be also fixedly installed with one group from fixed handle clamping ring (36), from starting
Handle connection sheet (37) and from fixed handle (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910633568.XA CN110342392A (en) | 2019-07-15 | 2019-07-15 | A kind of new construction cylinder body combination core coating transportation lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910633568.XA CN110342392A (en) | 2019-07-15 | 2019-07-15 | A kind of new construction cylinder body combination core coating transportation lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110342392A true CN110342392A (en) | 2019-10-18 |
Family
ID=68176144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910633568.XA Pending CN110342392A (en) | 2019-07-15 | 2019-07-15 | A kind of new construction cylinder body combination core coating transportation lifting appliance |
Country Status (1)
| Country | Link |
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| CN (1) | CN110342392A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683455A (en) * | 2019-10-24 | 2020-01-14 | 安徽兴达动力机械有限公司 | Adjustable-pitch self-locking cylinder body lifting appliance |
| CN111302225A (en) * | 2020-03-30 | 2020-06-19 | 潍柴动力股份有限公司 | Hoist and mount turning device |
| CN112723151A (en) * | 2020-12-30 | 2021-04-30 | 湖南鸿云杭萧绿建科技有限公司 | Integral roof hoisting and mounting method for assembly type steel structure building |
| CN113213330A (en) * | 2021-04-28 | 2021-08-06 | 国网山东省电力公司济南市济阳区供电公司 | Electric pole hoisting device for electric power construction |
-
2019
- 2019-07-15 CN CN201910633568.XA patent/CN110342392A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683455A (en) * | 2019-10-24 | 2020-01-14 | 安徽兴达动力机械有限公司 | Adjustable-pitch self-locking cylinder body lifting appliance |
| CN111302225A (en) * | 2020-03-30 | 2020-06-19 | 潍柴动力股份有限公司 | Hoist and mount turning device |
| CN111302225B (en) * | 2020-03-30 | 2021-07-20 | 潍柴动力股份有限公司 | Hoist and mount turning device |
| CN112723151A (en) * | 2020-12-30 | 2021-04-30 | 湖南鸿云杭萧绿建科技有限公司 | Integral roof hoisting and mounting method for assembly type steel structure building |
| CN113213330A (en) * | 2021-04-28 | 2021-08-06 | 国网山东省电力公司济南市济阳区供电公司 | Electric pole hoisting device for electric power construction |
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Application publication date: 20191018 |
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| WD01 | Invention patent application deemed withdrawn after publication |