CN107128831A - A kind of freight lifting equipment that function is accurately sent to based on lifting and with material - Google Patents

A kind of freight lifting equipment that function is accurately sent to based on lifting and with material Download PDF

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Publication number
CN107128831A
CN107128831A CN201710511670.3A CN201710511670A CN107128831A CN 107128831 A CN107128831 A CN 107128831A CN 201710511670 A CN201710511670 A CN 201710511670A CN 107128831 A CN107128831 A CN 107128831A
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CN
China
Prior art keywords
lifting
fixed
function
crane
freight
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Withdrawn
Application number
CN201710511670.3A
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Chinese (zh)
Inventor
唐志赏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710511670.3A priority Critical patent/CN107128831A/en
Publication of CN107128831A publication Critical patent/CN107128831A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/0633—Mechanical arrangements not covered by the following subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/065—Scissor linkages, i.e. X-configuration
    • B66F7/0666—Multiple scissor linkages vertically arranged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention discloses a kind of based on the freight lifting equipment for lifting and being accurately sent to material function, including lifting seat, the lifting seat end face installs crane, the crane is provided with elevating mechanism, the elevating mechanism is provided with movable mechanism, the movable mechanism is provided with left/right movement device, the left/right movement device is provided with vertical fine adjustment mechanism, the vertical fine adjustment mechanism is provided with material placement mechanism, the elevating mechanism is the lifter plate by being fitted on crane, it is fixed on the accessory plate at lifter plate back, auxiliary rod on the auxiliary board is installed, auxiliary wheel on auxiliary rod, it is fixed on the track at crane back, what the first actuator for being fixed on lifter plate and gear installed in the first actuator drive end were collectively formed.The beneficial effects of the invention are as follows while lifting lifting goods, material can also be subjected to three-dimensional travel mechanism, can be completely achieved travel mechanism all around, it is very convenient.

Description

A kind of freight lifting equipment that function is accurately sent to based on lifting and with material
Technical field
It is particularly a kind of to be sent to based on lifting and accurately function with material the present invention relates to freight lifting apparatus field Freight lifting equipment.
Background technology
For for current crane, it is necessary to the moment look at goods, while also needed to when arrangement of goods by Material is stepped up by various instruments, and existing middle-size and small-size lowering or hoisting gear can only accomplish single straight line oscilaltion, very not It is convenient, so it is accomplished by that goods plate manually is transported into crane side, increases manual working pressure.
The content of the invention
The invention aims to solve the above problems, one kind is devised based on lifting and work(is accurately sent to material The freight lifting equipment of energy.
Realize above-mentioned purpose the technical scheme is that, it is a kind of to be sent to based on lifting and accurately the goods of function with material Thing lifting means, including lifting seat, the lifting seat end face install crane, and the crane is provided with elevating mechanism, described Elevating mechanism is provided with movable mechanism, and the movable mechanism is provided with left/right movement device, described to move left and right machine Structure is provided with vertical fine adjustment mechanism, and the vertical fine adjustment mechanism is provided with material placement mechanism, and the elevating mechanism is by being equipped with Lifter plate on crane, the accessory plate for being fixed on lifter plate back, auxiliary rod on the auxiliary board is installed, installed in auxiliary Auxiliary wheel on bar, the first actuator for being fixed on the track at crane back, being fixed on lifter plate and driven installed in first What the gear of moving part drive end was collectively formed, the wheel and rack coordinates, and the auxiliary wheel coordinates with track, the crane Auxiliary support mechanism is installed with the lifting seat end face.
The auxiliary support mechanism is by being opened in the screwed hole of lifting seat end face, the bolt being engaged in screwed hole, installing Lock and one end on lifting seat are fixed on bolt and the other end fastening rope fixed with lock collectively form.
The movable mechanism is by two pairs of pedestals being fitted on lifter plate, the bearing being inlaid in inside pedestal, inserted Lead screw pair on leading screw of leading screw, Matching installation on the relative bearing in the left and right, the installation for being fixed on lead screw pair outer wall Block, the drive mechanism for being fixed on the slide plate described in a pair on mounting blocks and being fixed on pedestal are collectively formed.
The drive mechanism is common by the motor rack on pedestal and the second actuator being fitted on motor rack Constitute, second actuator is fixedly connected with the leading screw end face.
The left/right movement device is by the electric slide rail on slide plate, the electric sliding being fitted on electric slide rail Body, the movable plate on electronic gliding mass are collectively formed.
The vertical fine adjustment mechanism is by a pair of hydraulic cylinders, the substrate on hydraulic cylinder on movable plate and set Put what the auxiliary telescopic mechanism between substrate and the movable plate was collectively formed.
The material placement mechanism is by the material frame being fitted on substrate, a pair of slide rails on material frame, peace Saddle and the first fastening board being fixed on saddle, the second fastening board, the telescopic end that are fixed on lifter plate on slide rail What a pair of the telescope motors fixed through the first fastening board and with the second fastening board end face were collectively formed.
The auxiliary telescopic mechanism be by the support frame on movable plate, bearing pin connection support frame on a bar, What No. three bars that No. two bars and bearing pin that bearing pin is connected on a bar are connected on No. two bars were collectively formed, No. three bars with The base plate bottom bearing pin connection.
A number bar, No. two bars and No. three bar central parts insert pin rod.
There is cavity, the cavity bottom is provided with that be provided with chute, the chute can be in it inside the lifting seat Rack is installed, the lifting seat outer wall is provided with material taking mouth, and the material taking mouth is equipped to be pushed away on the moving member of motion, the moving member Draw gear door.
Using technical scheme make have auxiliary step up function and can planar movement material lift equipment, Material can also be carried out three-dimensional travel mechanism, can be completely achieved a front and rear left side by the technical program while lifting lifting goods Mechanism is moved right, it is very convenient, and after certain height of foundation is elevated to, height can also be finely adjusted, more accurately, Simultaneously when improving material, material can also be stepped up by clamping device, without artificial guard, be reduced manually Operating pressure.
Brief description of the drawings
Fig. 1 is a kind of structure of freight lifting equipment that function is accurately sent to based on lifting and with material of the present invention Schematic diagram；
Fig. 2 is a kind of part of freight lifting equipment that function is accurately sent to based on lifting and with material of the present invention Overlooking the structure diagram；
Fig. 3 is the structural representation of front and rear feed mechanism of the present invention；
Fig. 4 is the structural representation that material of the present invention steps up；
Fig. 5 is the structural representation inside lifting seat of the present invention；
Fig. 6 is a kind of part of freight lifting equipment that function is accurately sent to based on lifting and with material of the present invention Mplifying structure schematic diagram；
Fig. 7 is a kind of part of freight lifting equipment that function is accurately sent to based on lifting and with material of the present invention Mplifying structure schematic diagram；
In figure, 1, lifting seat；2nd, crane；3rd, lifter plate；4th, accessory plate；5th, auxiliary rod；6th, auxiliary wheel；7th, track；8、 First actuator；9th, gear；10th, rack；11st, bolt；12nd, latch；13rd, rope is fastened；14th, pedestal；15th, bearing；16th, leading screw； 17th, lead screw pair；18th, mounting blocks；19th, motor rack；20th, the second actuator；21st, slide plate；22nd, electric slide rail；23rd, electronic gliding mass； 24th, movable plate；25th, hydraulic cylinder；26th, substrate；27th, material frame；28th, slide rail；29th, saddle；30th, the first fastening board；31st, second adds Tight plate；32nd, support frame；33rd, a bar；34th, No. two bars；35th, No. three bars；36th, chute；37th, moving member；38th, rack；39、 Push-and-pull keeps off door.
Embodiment
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " being vertically arranged ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, merely to making the sub- description present invention and simplifying description, rather than indicate or dark Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right The limitation of the present invention.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying and be relative Importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " is defined to be only used for describing mesh , and it is not intended that indicating or implying relative importance or implicitly include one or more this feature.In this hair In bright description, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one Connect body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirect by intermediary It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
The present invention is specifically described below in conjunction with the accompanying drawings, as shown in figs. 1-7, one kind is based on lifting and with material essence The freight lifting equipment of function, including lifting seat 1 are really sent to, the end face of lifting seat 1 is installed on crane 2, the crane 2 Provided with elevating mechanism, the elevating mechanism is provided with movable mechanism, and the movable mechanism is provided with and moves left and right machine Structure, the left/right movement device is provided with vertical fine adjustment mechanism, and the vertical fine adjustment mechanism is provided with material placement mechanism, described Elevating mechanism be by be fitted on crane 2 lifter plate 3, be fixed on the accessory plate 4 at the back of lifter plate 3, installed in accessory plate 4 On auxiliary rod 5, the auxiliary wheel 6 on auxiliary rod 5, the track 7 for being fixed on the back of crane 2, be fixed on lifter plate 3 The first actuator 8 and collectively formed installed in the gear 9 of the drive end of the first actuator 8, the gear 9 matches somebody with somebody with rack 10 Close, the auxiliary wheel 6 coordinates with track 7, the crane 2 installs auxiliary support mechanism with the end face of lifting seat 1；It is described auxiliary It is by being opened in the screwed hole of the end face of lifting seat 1, the bolt being engaged in screwed hole 11, on lifting seat 1 to help supporting mechanism Lock 12 and one end is fixed on bolt 11 and the other end is fixed with lock 12 fastening ropes 13 collectively form；Before and after described Travel mechanism is by two pairs of pedestals 14 being fitted on lifter plate 3, the bearing 15 being inlaid in inside pedestal 14, is inserted into the left side Lead screw pair 17 on leading screw 16 of leading screw 16, Matching installation on right relative bearing 15, the installation for being fixed on the outer wall of lead screw pair 17 Block 18, the drive mechanism for being fixed on the slide plate 21 described in a pair on mounting blocks 18 and being fixed on pedestal 14 are collectively formed；Institute It is by the motor rack 19 on pedestal 14 and the common structure of the second actuator 20 being fitted on motor rack 19 to state drive mechanism Into, second actuator 20 is fixedly connected with the end face of leading screw 16；The left/right movement device is by installed in slide plate Electric slide rail 22, the electronic gliding mass 23 being fitted on electric slide rail 22, the movable plate 24 on electronic gliding mass 23 on 21 Collectively form；The vertical fine adjustment mechanism be by movable plate 24 a pair of hydraulic cylinders 25, on hydraulic cylinder 25 Substrate 26 and the auxiliary telescopic mechanism that is arranged between substrate 26 and the movable plate 24 collectively form；The material is placed Mechanism is by the material frame 27 being fitted on substrate 26, a pair of slide rails 28 on material frame 27, on slide rail 28 Saddle 29 and the first fastening board 30, the second fastening board 31, the telescopic end that are fixed on lifter plate 3 that are fixed on saddle 29 wear What a pair of the telescope motors 40 crossed the first fastening board 30 and fixed with the end face of the second fastening board 31 were collectively formed；The auxiliary telescopic Mechanism is that bar 33, a bearing pin on the support frame 32 on movable plate 24, bearing pin connection support frame 32 are connected to one What No. three bars 35 that No. two bars 34 and bearing pin on number bar 33 are connected on No. two bars 34 were collectively formed, No. three bars 35 and institute State the bottom bearing pin connection of substrate 26；A number bar 33, No. two bars 34 and No. three central parts of bar 35 insert pin rod；The lifting The inside of seat 1 has cavity, and the cavity bottom is provided with the moving member that is provided with and can be moved in it in chute 36, the chute 36 37, rack 38 is installed, the outer wall of lifting seat 1 is provided with material taking mouth, and the material taking mouth is equipped with push-and-pull gear on the moving member 37 Door 39.
The characteristics of the present embodiment is that lifting seat end face installs crane, and crane is provided with elevating mechanism, elevating mechanism Provided with movable mechanism, move forward and backward mechanism and be provided with left/right movement device, left/right movement device is provided with finely tunes up and down Mechanism, vertical fine adjustment mechanism be provided with material placement mechanism, elevating mechanism be by be fitted on crane lifter plate, be fixed on The accessory plate at lifter plate back, auxiliary rod on the auxiliary board, the auxiliary wheel on auxiliary rod are installed, crane is fixed on The track at back, the first actuator being fixed on lifter plate and the gear installed in the first actuator drive end are collectively formed , wheel and rack coordinates, and auxiliary wheel coordinates with track, and crane installs auxiliary support mechanism, this technology with lifting seat end face Material can also be carried out three-dimensional travel mechanism, can be completely achieved and all around move by scheme while lifting lifting goods Mechanism, it is very convenient, and after certain height of foundation is elevated to, height can also be finely adjusted, more accurately, while When improving material, material can also be stepped up by clamping device, without artificial guard, reduce artificial work pressure Power.
In the present embodiment, the controller of PLC series is installed first at the present apparatus free time, by the serial controller The terminals with each electricity consumption software in device are connected by those skilled in the art, it is convenient manually to be operated, manually pass through The drive gear 9 of the first actuator 8 on controller control lifter plate 3, after gear 9 is engaged with the rack 10 on crane 2, Moved with lifter plate 3, while utilizing the auxiliary wheel 6 and auxiliary rod 5 being located on accessory plate 4 and the track 7 on crane 2 Coordinate, can aid in carrying out lifting lifter plate 3, and control the second actuator 20 driving leading screw 16 on motor rack 19, silk After thick stick 16 rotates, then the lead screw pair 17 on leading screw 16 is rotated, lead screw pair 17 is movable with slide plate 21, and controllable electricity Dynamic gliding mass 23 is moved on electric slide rail 22, carrys out moving lifting plate 3, and control hydraulic cylinder 25 adjusts the height of substrate 26 slightly, Using the telescopic extensible member formed between a bar 33, No. two bars 34 and No. three bars 35, the substrate 26 on hydraulic cylinder 25 is entered Row Auxiliary support, while material will be manually placed on material frame 27, control telescope motor 40 promote the second fastening board 31 according to Moved by saddle 29 on slide rail 28, the second fastening board 31 steps up material close to the first fastening board 30, it is former by above-mentioned work Reason, material is lifted, while can also manually be moved by opening plug-type gear door 39 by moving member 37 in chute 36 It is dynamic to move out rack 38, place some instruments.Simultaneously in order to strengthen the crane 2 on lifting seat 1, in the end face of lifting seat 1 Screwed hole is machined, and has been equipped with bolt 11, by fixed fastening rope 13 on bolt 11, and by its other end with being located at lifting Lock 12 on frame 2 is fixed.Above-described control is to be controlled using controller.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art Some of which part may be made some variation embodies the present invention principle, belong to protection scope of the present invention it It is interior.

Claims (10)

1. a kind of freight lifting equipment that function is accurately sent to based on lifting and with material, including lifting seat (1), its feature are existed In lifting seat (1) end face installs crane (2), and the crane (2) is provided with elevating mechanism, the elevating mechanism Provided with movable mechanism, the movable mechanism is provided with left/right movement device, and the left/right movement device is provided with upper Lower micro-adjusting mechanism, the vertical fine adjustment mechanism is provided with material placement mechanism, and the elevating mechanism is by being fitted in crane (2) On lifter plate (3), be fixed on the accessory plate (4) at lifter plate (3) back, the auxiliary rod (5) on accessory plate (4), peace Auxiliary wheel (6) on auxiliary rod (5), it is fixed on the track (7) at crane (2) back, be fixed on lifter plate (3) What one actuator (8) and gear (9) installed in the first actuator (8) drive end were collectively formed, the gear (9) and rack (10) coordinate, the auxiliary wheel (6) coordinates with track (7), the crane (2) is installed with the lifting seat (1) end face and aided in Supporting mechanism.
2. a kind of freight lifting equipment that function is accurately sent to based on lifting and with material according to claim 1, its It is characterised by, the auxiliary support mechanism is screwed hole, the bolt that is engaged in screwed hole by being opened in lifting seat (1) end face (11) lock (12) and one end, on lifting seat (1) is fixed on bolt (11) and the other end and lock (12) are fixed Fastening rope (13) collectively form.
3. a kind of freight lifting equipment that function is accurately sent to based on lifting and with material according to claim 1, its Be characterised by, the movable mechanism be by be fitted on lifter plate (3) two pairs of pedestals (14), be inlaid in pedestal (14) The silk of the bearing (15) in portion, the leading screw (16), Matching installation being inserted on the relative bearing (15) in the left and right on leading screw (16) Thick stick pair (17), the mounting blocks (18) for being fixed on lead screw pair (17) outer wall, the slide plate being fixed on mounting blocks described in a pair (18) (21) collectively formed with the drive mechanism that is fixed on pedestal (14).
4. a kind of freight lifting equipment that function is accurately sent to based on lifting and with material according to claim 1, its Be characterised by, the drive mechanism be by the motor rack (19) on pedestal (14) and be fitted on motor rack (19) Two actuators (20) are collectively formed, and second actuator (20) is fixedly connected with the leading screw (16) end face.
5. a kind of freight lifting equipment that function is accurately sent to based on lifting and with material according to claim 1 or 3, Characterized in that, the left/right movement device is by the electric slide rail (22) on slide plate (21), is fitted in electric slide rail (22) the electronic gliding mass (23) on, the movable plate (24) on electronic gliding mass (23) are collectively formed.
6. it is a kind of based on the freight lifting equipment for lifting and being accurately sent to material function according to claim 1 or 5, Characterized in that, the vertical fine adjustment mechanism be by movable plate (24) a pair of hydraulic cylinders (25), installed in hydraulic cylinder (25) what substrate (26) on and the auxiliary telescopic mechanism being arranged between substrate (26) and the movable plate (24) were collectively formed.
7. a kind of freight lifting equipment that function is accurately sent to based on lifting and with material according to claim 1 or 6, Characterized in that, the material placement mechanism be by be fitted on substrate (26) material frame (27), installed in material frame (27) On a pair of slide rails (28), the saddle (29) on slide rail (28) and the first fastening board being fixed on saddle (29) (30), be fixed on the second fastening board (31) on lifter plate (3), telescopic end through the first fastening board (30) and with the second fastening board (31) a pair of telescope motors (40) that end face is fixed are collectively formed.
8. a kind of freight lifting equipment that function is accurately sent to based on lifting and with material according to claim 1 or 7, Characterized in that, the auxiliary telescopic mechanism is by the support frame (32) on movable plate (24), bearing pin connection support frame (32) No. two bars (34) and bearing pin that a bar (33) on, bearing pin are connected on a bar (33) are connected on No. two bars (34) No. three bars (35) collectively form, No. three bars (35) are connected with the substrate (26) bottom bearing pin.
9. a kind of freight lifting equipment that function is accurately sent to based on lifting and with material according to claim 1, its It is characterised by, a bar (33), No. two bars (34) and No. three bar (35) central parts insert pin rod.
10. a kind of freight lifting equipment that function is accurately sent to based on lifting and with material according to claim 1, its It is characterised by that there is cavity inside the lifting seat (1), the cavity bottom, which is provided with chute (36), the chute (36), pacifies Equipped with the moving member (37) that can be moved in it, rack (38), lifting seat (1) outer wall are installed on the moving member (37) Material taking mouth is provided with, the material taking mouth is equipped with push-and-pull gear door (39).
CN201710511670.3A 2017-06-28 2017-06-28 A kind of freight lifting equipment that function is accurately sent to based on lifting and with material Withdrawn CN107128831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710511670.3A CN107128831A (en) 2017-06-28 2017-06-28 A kind of freight lifting equipment that function is accurately sent to based on lifting and with material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710511670.3A CN107128831A (en) 2017-06-28 2017-06-28 A kind of freight lifting equipment that function is accurately sent to based on lifting and with material

Publications (1)

Publication Number Publication Date
CN107128831A true CN107128831A (en) 2017-09-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710511670.3A Withdrawn CN107128831A (en) 2017-06-28 2017-06-28 A kind of freight lifting equipment that function is accurately sent to based on lifting and with material

Country Status (1)

Country Link
CN (1) CN107128831A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112441522A (en) * 2019-09-03 2021-03-05 中国建筑第七工程局有限公司 Elevating gear is used in electromechanical installation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112441522A (en) * 2019-09-03 2021-03-05 中国建筑第七工程局有限公司 Elevating gear is used in electromechanical installation
CN112441522B (en) * 2019-09-03 2022-09-06 中国建筑第七工程局有限公司 Elevating gear is used in electromechanical installation

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Application publication date: 20170905

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