CN108862006A - A kind of crane suspender of high safety - Google Patents

A kind of crane suspender of high safety Download PDF

Info

Publication number
CN108862006A
CN108862006A CN201810748238.0A CN201810748238A CN108862006A CN 108862006 A CN108862006 A CN 108862006A CN 201810748238 A CN201810748238 A CN 201810748238A CN 108862006 A CN108862006 A CN 108862006A
Authority
CN
China
Prior art keywords
hole
plate
high safety
bolt
hook
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Withdrawn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
CN201810748238.0A
Other languages
Chinese (zh)
Inventor
杨孝先
龚子运
王金龙
黄浩
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.)
Hefei Kiwi Heavy Machinery Co Ltd
Original Assignee
Hefei Kiwi Heavy Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hefei Kiwi Heavy Machinery Co Ltd filed Critical Hefei Kiwi Heavy Machinery Co Ltd
Priority to CN201810748238.0A priority Critical patent/CN108862006A/en
Publication of CN108862006A publication Critical patent/CN108862006A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-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
    • B66C1/10Load-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
    • B66C1/12Slings comprising chains, wires, ropes, or bands; Nets
    • B66C1/14Slings with hooks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-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
    • B66C1/10Load-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
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34Crane hooks
    • B66C1/36Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention discloses a kind of crane suspenders of high safety, including balance plate, the balance plate corner location, which runs through to run through equipped with first through hole and center, is equipped with the second through-hole, second through-hole two sides are provided with sliding slot, two sliding slots are axisymmetricly arranged about the central axis of balance plate, lifting lug is arranged in the first through hole, through equipped with bolt in second through-hole, described bolt one end is connected with locking nut, the bolt bottom end is welded with fixed plate, and the fixed plate corner location is provided with chain.The present invention on suspension hook by being arranged groove, and elastic rubber pad is also wrapped in groove, it can be used for the link part clamping of weight, also, the setting of supporting plate, it can be used for further fixing weight, avoid it that large-amplitude sloshing occurs, meanwhile, the snap-gauge with spring is also set up on suspension hook, it can prevent during slinging weight, the case where disengaging between link and suspension hook.

Description

A kind of crane suspender of high safety
Technical field
The present invention relates to lifting equipment field, in particular to the crane suspender of a kind of high safety.
Background technique
It is well known that suspender refers to the device of hanged weight in hoisting machinery, it is the essential one kind of hoisting machinery Tool, currently, being directed to the use of suspender in many industries.But existing crane is all to be sling with suspension hook with suspender Weight, and can be found in use at its lifting stage, since weight clamping cannot be will lead to weight by the suspension hook mouth of hook It is shaken there is a situation where a wide range of, this is breakneck for those present person.
Therefore, invent a kind of high safety crane solved the above problems with suspender it is necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of crane suspenders of high safety, by the way that groove is arranged on suspension hook, And elastic rubber pad is also wrapped in groove, it can be used for the link part clamping of weight, also, the setting of supporting plate, can be used for pair Weight is further fixed, and avoids it that large-amplitude sloshing occurs, meanwhile, the snap-gauge with spring is also set up on suspension hook, can be prevented It is mentioned above in the background art to solve the case where disengaging between link and suspension hook only during slinging weight Problem.
To achieve the above object, the present invention provides the following technical solutions:A kind of crane suspender of high safety, including Balance plate, the balance plate corner location, which runs through to run through equipped with first through hole and center, is equipped with the second through-hole, and described the Two through-hole two sides are provided with sliding slot, and two sliding slots are axisymmetricly arranged about the central axis of balance plate, the first through hole It is inside arranged with lifting lug, runs through in second through-hole and is equipped with bolt, described bolt one end is connected with locking nut, the bolt bottom End is welded with fixed plate, and the fixed plate corner location is provided with chain, and the chain bottom end is connected with suspension hook, the suspension hook packet Hanging ring and hook are included, the hanging ring is integrated with hook setting, and the fixed plate bottom centre position is provided with double rod Hydraulic cylinder, the dual-rod hydraulic cylinder both ends are provided with First piston bar, and two described First piston bar one end are fixedly connected with There is sliding block, sliding block one end setting is flexibly connected inside sliding slot, and between sliding slot, and the sliding block bottom end is provided with gas Cylinder, the cylinder head portions are provided with second piston bar, and the second piston bar bottom end is fixedly connected with supporting plate.
Preferably, the lifting lug bottom end is provided with limited block, and the limited block is integrated with lifting lug setting, and four Wirerope is respectively connected on the lifting lug, four rope capacities are equal, and four wirerope are intersected in a bit.
Preferably, the bolt includes smooth section and thread segment, and the thread segment is set to bolt end, and smooth section Length be equal to balance plate thickness.
Preferably, the locking nut two sides are provided with limit plate, and the limit board ends are provided with fixed block, institute It states fixed block side and is provided with grommet nut, the fixed block and limit plate junction, which are run through, is equipped with tie down screw, the locking Screw rod one end is matched with grommet nut and the other end is fixed with adjusting knob.
Preferably, the fixed plate corner location, which runs through, is equipped with through slot, is provided with engaging lug, the chain in the through slot One end is flexibly connected with engaging lug.
Preferably, the hanging ring side is provided with snap-gauge, and the snap-gauge is flexibly connected by shaft coupling with hanging ring, the hook It is provided with card slot on the inside of one end, the snap-gauge is matched with card slot, is provided with spring between the snap-gauge and hook.
Preferably, it is provided with antiskid rubber at the top of the supporting plate, fluted, the groove inner wall packet is set on the hook It is covered with elastic rubber pad.
Preferably, the sliding slot inner wall is provided with arc groove, and ball is provided in the arc groove, and the ball diameter is big In arc groove notch diameter and be less than arc groove arc radius.
Technical effect and advantage of the invention:
1, by the way that groove is arranged on suspension hook, and it is also wrapped on elastic rubber pad in groove, can be used for the link portion of weight Divide clamping, also, the setting of supporting plate, can be used for further fixing weight, large-amplitude sloshing occurs to avoid it, thus greatly It is big to improve the safety of suspender in use;
2, by being provided with the snap-gauge of spring, it can prevent during slinging weight, occur between link and suspension hook The case where disengaging, structure is simple, easy to operate;
3, by be equipped with limit plate, the position of limit plate can be adjusted by adjusting knob, in order to locking nut into Row limit, avoids separating between locking nut and bolt during shaking, to improve the safety of suspender in use Property;
4, it by being equipped with antiskid rubber, can avoid during lifting, generation is opposite between supporting plate and weight slides, and makes It obtains supporting plate and is detached from weight, to increase the loading weight of suspension hook;
5, by being provided with ball in sliding slot, it may make sliding block movement in sliding slot more smooth, to reduce double rod The energy loss of hydraulic cylinder.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is balance plate bottom view of the invention;
Fig. 3 is fixed plate bottom view of the invention;
Fig. 4 is partial structural diagram of the invention;
Fig. 5 is sliding block and sliding slot junction structural schematic diagram of the invention;
Fig. 6 is Suspension hook structure schematic diagram of the invention;
In figure:1 balance plate, 2 lifting lugs, 3 limited blocks, 4 wirerope, 5 bolts, 6 locking nuts, 7 limit plates, 8 first through hole, 9 second through-holes, 10 sliding slots, 11 fixed plates, 12 through slots, 13 engaging lugs, 14 chains, 15 suspension hooks, 16 dual-rod hydraulic cylinders, 17 first are lived Stopper rod, 18 sliding blocks, 19 cylinders, 20 second piston bars, 21 supporting plates, 22 antiskid rubbers, 23 fixed blocks, 24 grommet nuts, 25 lockings Screw rod, 26 adjusting knobs, 27 springs, 28 snap-gauges, 29 arc grooves, 30 balls, 31 hanging rings, 32 hooks, 33 grooves, 34 elastic gums Pad, 35 card slots.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
It is described the present invention provides a kind of crane suspender of high safety as shown in figures 1 to 6, including balance plate 1 1 corner location of balance plate, which runs through to run through equipped with first through hole 8 and center, is equipped with the second through-hole 9,9 liang of second through-hole Side is provided with sliding slot 10, and two sliding slots 10 are axisymmetricly arranged about the central axis of balance plate 1, in the first through hole 8 It is arranged with lifting lug 2, runs through in second through-hole 9 and is equipped with bolt 5, described 5 one end of bolt is connected with locking nut 6, the spiral shell 5 bottom end of bolt is welded with fixed plate 11, and 11 corner location of fixed plate is provided with chain 14, and 11 corner location of fixed plate passes through It is equipped with through slot 12, engaging lug 13 is provided in the through slot 12, described 14 one end of chain is flexibly connected with engaging lug 13, described 14 bottom end of chain is connected with suspension hook 15, and the suspension hook 15 includes hanging ring 31 and hook 32, and the hanging ring 31 is set as with hook 32 Integral structure, 11 bottom centre position of fixed plate are provided with dual-rod hydraulic cylinder 16, and 16 both ends of dual-rod hydraulic cylinder are equal It is provided with First piston bar 17, two described 17 one end of First piston bar are fixedly connected to sliding block 18, described 18 one end of sliding block Setting is flexibly connected inside sliding slot 10, and between sliding slot 10, and 10 bottom end of sliding block is provided with cylinder 19, the cylinder 19 End is provided with second piston bar 20, and 20 bottom end of second piston bar is fixedly connected with supporting plate 21.
Further, in the above-mentioned technical solutions, 31 side of hanging ring is provided with snap-gauge 28, and the snap-gauge 28 passes through connection Axis is flexibly connected with hanging ring 31, is provided with card slot 35 on the inside of described 32 one end of hook, the snap-gauge 28 is matched with card slot 35, institute It states and is provided with spring 27 between snap-gauge 28 and hook 32.
Further, in the above-mentioned technical solutions, antiskid rubber 22 is provided at the top of the supporting plate 21, on the hook 32 It is arranged fluted 33,33 inner wall of groove is coated with elastic rubber pad 34.
Above-mentioned technical proposal has the beneficial effect that:By the way that groove 33 is arranged on suspension hook 15, and it is also wrapped in groove 33 Elastic rubber pad 34 can be used for can be used for carrying out into one weight by the link part clamping of weight, also, the setting of supporting plate 21 Step is fixed, and avoids its that large-amplitude sloshing occurs, and the design of 21 surface anti-skidding rubber mat 22 of supporting plate can avoid during lifting, is held in the palm Opposite sliding occurs between plate 21 and weight, and supporting plate 21 is made to be detached from weight, to increase the loading weight of suspension hook 15, together When, the snap-gauge 28 with spring 27 is also set up on suspension hook 15, can be prevented during slinging weight, link and suspension hook 15 it Between the case where being detached from.
Embodiment 2:
Further, in the technical solution of embodiment 1,2 bottom end of lifting lug is provided with limited block 3, the limited block 3 It is integrated with the setting of lifting lug 2, is greatly improved the fastness of the installation of lifting lug 2, is respectively connected with steel on four lifting lugs 2 Cord 4, four 4 equal lengths of wirerope, and four wirerope 4 are intersected in a bit, are greatly improved balance plate 1 in lifting process Middle balance, to reduce shaking amplitude of weight during lifting.
Further, in the technical solution of embodiment 1, the bolt 5 includes smooth section and thread segment, the screw thread Section is set to 5 end of bolt, and the length of smooth section is equal to the thickness of balance plate 1, convenient for utilizing locking nut 6 to bolt 5 Movement is limited, meanwhile, it is also convenient for injecting bolt 5 on balance plate 1 in second through-hole 9.
Further, in the technical solution of embodiment 1,6 two sides of locking nut are provided with limit plate 7, described 7 both ends of limit plate are provided with fixed block 23, and 23 side of fixed block is provided with grommet nut 24, the fixed block 23 and limit Position 7 junction of plate, which is run through, is equipped with tie down screw 25, and described 25 one end of tie down screw is matched with grommet nut 24 and the other end It is fixed with adjusting knob 26, the position of limit plate 7 can be adjusted by adjusting knob 26, in order to be carried out to locking nut 6 Limit, avoids during shaking, separates between locking nut 6 and bolt 5, to improve the safety of suspender in use Property.
Further, in the technical solution of embodiment 1,10 inner wall of sliding slot is provided with arc groove 29, the arc Ball 30 is provided in slot 29,30 diameter of ball is greater than the notch diameter of arc groove 29 and is less than the circular arc of arc groove 29 partly Diameter may make the movement in sliding slot 10 of sliding block 18 more smooth, to reduce the energy loss of dual-rod hydraulic cylinder 16.
Working principle of the present invention:
The link on weight to be lifted is caught on suspension hook 15 in use referring to Figure of description 1-3, meanwhile, By cylinder 19 drive second piston bar 20 carry out telescopic variation, and by dual-rod hydraulic cylinder 16 drive First piston bar 17 into Row telescopic variation, thus moved in sliding slot 10 with movable slider 18, so that supporting plate 21 holds the weight of lifting from bottom, with Avoid weight that large-amplitude sloshing occurs during lifting, so that the safety of suspender in use is greatly improved, and supporting plate The antiskid rubber 22 being arranged on 21, can avoid during lifting, and opposite sliding occurs between supporting plate 21 and weight, and to hold in the palm Plate 21 is detached from weight and improves the security risk of suspender in use to increase the loading weight of suspension hook 15;
Referring to Figure of description 4,7 both ends of limit plate are provided with fixed block 23, and 23 side of fixed block is provided with blind hole Nut 24, and fixed block 23 and 7 junction of limit plate are run through equipped with tie down screw 25,25 one end of tie down screw and grommet nut 24 It matches and the other end is fixed with adjusting knob 26, the position of limit plate 7 can be adjusted by adjusting knob 26, in order to Locking nut 6 is limited, is avoided during shaking, is separated between locking nut 6 and bolt 5, is existed to improve suspender Safety in use process;
Referring to Figure of description 5, during sliding block 18 is mobile in sliding slot 10, since 10 inner wall of sliding slot is provided with arc Slot 29 is provided with ball 30 in arc groove 29, and 30 diameter of ball is greater than the notch diameter of arc groove 29 and is less than arc groove 29 Arc radius may make the movement in sliding slot 10 of sliding block 18 more smooth, to reduce the energy loss of dual-rod hydraulic cylinder 16;
Referring to Figure of description 6, suspension hook 15 in use, is stuck in the link on weight to be lifted on suspension hook 15 In groove 33, due to the presence of elastic rubber pad 34, it can be used for avoid its generation substantially shaking the link part clamping of weight It is dynamic, meanwhile, the snap-gauge 28 with spring 27 is stuck in the card slot 35 of 32 tip inside of hook, can be prevented in the mistake for slinging weight Cheng Zhong, the case where disengaging between the link and suspension hook 15 on weight to be lifted, structure is simple, easy to operate.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (8)

1. a kind of crane suspender of high safety, including balance plate (1), it is characterised in that:Balance plate (1) the quadrangle position It sets and runs through through equipped with first through hole (8) and center equipped with the second through-hole (9), the second through-hole (9) two sides are all provided with It is equipped with sliding slot (10), two sliding slots (10) are axisymmetricly arranged about the central axis of balance plate (1), the first through hole (8) It is inside arranged with lifting lug (2), through bolt (5) are equipped in second through-hole (9), described bolt (5) one end is connected with locking screw Female (6), bolt (5) bottom end are welded with fixed plate (11), and fixed plate (11) corner location is provided with chain (14), institute It states chain (14) bottom end to be connected with suspension hook (15), the suspension hook (15) includes hanging ring (31) and hook (32), the hanging ring (31) It is integrated with hook (32) setting, fixed plate (11) bottom centre position is provided with dual-rod hydraulic cylinder (16), institute It states dual-rod hydraulic cylinder (16) both ends to be provided with First piston bar (17), two described First piston bar (17) one end are fixed to be connected It is connected to sliding block (18), sliding block (18) one end setting is internal in sliding slot (10), and is flexibly connected between sliding slot (10), described Sliding block (10) bottom end is provided with cylinder (19), and cylinder (19) end is provided with second piston bar (20), the second piston Bar (20) bottom end is fixedly connected with supporting plate (21).
2. a kind of crane suspender of high safety according to claim 1, it is characterised in that:Lifting lug (2) bottom End is provided with limited block (3), and the limited block (3) is integrated with lifting lug (2) setting, on four lifting lugs (2) It is connected with wirerope (4), four wirerope (4) equal lengths, and four wirerope (4) are intersected in a bit.
3. a kind of crane suspender of high safety according to claim 1, it is characterised in that:Bolt (5) packet Smooth section and thread segment are included, the thread segment is set to bolt (5) end, and the length of smooth section is equal to balance plate (1) Thickness.
4. a kind of crane suspender of high safety according to claim 1, it is characterised in that:The locking nut (6) two sides are provided with limit plate (7), and limit plate (7) both ends are provided with fixed block (23), the fixed block (23) one Side is provided with grommet nut (24), and the fixed block (23) and limit plate (7) junction are run through equipped with tie down screw (25), described Tie down screw (25) one end is matched with grommet nut (24) and the other end is fixed with adjusting knob (26).
5. a kind of crane suspender of high safety according to claim 1, it is characterised in that:The fixed plate (11) Corner location, which runs through, is equipped with through slot (12), is provided with engaging lug (13) in the through slot (12), described chain (14) one end and company Lug (13) is flexibly connected.
6. a kind of crane suspender of high safety according to claim 1, it is characterised in that:The hanging ring (31) one Side is provided with snap-gauge (28), and the snap-gauge (28) is flexibly connected by shaft coupling with hanging ring (31), on the inside of described hook (32) one end It is provided with card slot (35), the snap-gauge (28) matches with card slot (35), is provided between the snap-gauge (28) and hook (32) Spring (27).
7. a kind of crane suspender of high safety according to claim 1, it is characterised in that:Supporting plate (21) top Portion is provided with antiskid rubber (22), is arranged fluted (33) on the hook (32), and groove (33) the inner wall cladding is flexible Rubber mat (34).
8. a kind of crane suspender of high safety according to claim 1, it is characterised in that:In the sliding slot (10) Wall is provided with arc groove (29), is provided with ball (30) in the arc groove (29), and ball (30) diameter is greater than arc groove (29) notch diameter and the arc radius for being less than arc groove (29).
CN201810748238.0A 2018-07-10 2018-07-10 A kind of crane suspender of high safety Withdrawn CN108862006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810748238.0A CN108862006A (en) 2018-07-10 2018-07-10 A kind of crane suspender of high safety

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810748238.0A CN108862006A (en) 2018-07-10 2018-07-10 A kind of crane suspender of high safety

Publications (1)

Publication Number Publication Date
CN108862006A true CN108862006A (en) 2018-11-23

Family

ID=64300210

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810748238.0A Withdrawn CN108862006A (en) 2018-07-10 2018-07-10 A kind of crane suspender of high safety

Country Status (1)

Country Link
CN (1) CN108862006A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112573386A (en) * 2020-12-20 2021-03-30 河南五建建设集团有限公司 Anti-shaking structure of rail type beam lifting machine
CN113231477A (en) * 2021-04-15 2021-08-10 中国三冶集团有限公司宁波分公司 Rolling mill horizontal sliding device with lifting function
CN116281552A (en) * 2023-05-25 2023-06-23 河南航鸿建设发展有限公司 Prefabricated wallboard lifts by crane conveyer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112573386A (en) * 2020-12-20 2021-03-30 河南五建建设集团有限公司 Anti-shaking structure of rail type beam lifting machine
CN113231477A (en) * 2021-04-15 2021-08-10 中国三冶集团有限公司宁波分公司 Rolling mill horizontal sliding device with lifting function
CN113231477B (en) * 2021-04-15 2022-07-26 中国三冶集团有限公司宁波分公司 Rolling mill horizontal sliding device with lifting function
CN116281552A (en) * 2023-05-25 2023-06-23 河南航鸿建设发展有限公司 Prefabricated wallboard lifts by crane conveyer
CN116281552B (en) * 2023-05-25 2023-08-04 河南航鸿建设发展有限公司 Prefabricated wallboard lifts by crane conveyer

Similar Documents

Publication Publication Date Title
CN108862006A (en) A kind of crane suspender of high safety
CN205916895U (en) But chain hoist that multiple spot hung
CN209009989U (en) A kind of lifting petroleum pipeline Special-purpose hanger band
CN102887431B (en) Balance lifting appliance of ultra-high lift crane
CN111792527A (en) Single-beam crane with anti-swing mechanism
CN107572362B (en) Flexible lifting appliance of engine belt pulley
CN216155294U (en) Lifting appliance with movable lifting points
CN205973449U (en) Jack -up handling rigging of buffering pulley
CN209098022U (en) The energy-saving closed triangle boom hoisting of prefabricated component dual bed
CN201254425Y (en) Binding type I steel composite hanging fixture
CN208561425U (en) A kind of anti-rotational durable wirerope hook
CN208454294U (en) Finished pressure steel pipe turns over combined sling
CN207347053U (en) A kind of crane electric block
CN208747469U (en) A kind of anti-cutting self-locking suspension hook of safety
CN209127874U (en) A kind of concurrent lifting device
CN206901591U (en) Anti-drop device for crown block hook
CN201254427Y (en) Card hanging type coil steel composite cargo sling
CN219976289U (en) Hoisting double-ring anti-falling device
CN215160228U (en) Hoist and mount wire rope length adjustment device
CN211846845U (en) Stable form I-steel hoist
CN213499087U (en) Suspension cable storage device
CN208327141U (en) A kind of hydraulic open and close type claw drop in beam
CN214828330U (en) Vertical lifting appliance
CN209275983U (en) Energy-saving prefabricated component triangular hanging tool
CN217962490U (en) Petrochemical reation kettle convenient to hoist and mount installation

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
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181123