CN202729589U - Spring self-locking grab bucket mechanism - Google Patents

Spring self-locking grab bucket mechanism Download PDF

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Publication number
CN202729589U
CN202729589U CN 201220374979 CN201220374979U CN202729589U CN 202729589 U CN202729589 U CN 202729589U CN 201220374979 CN201220374979 CN 201220374979 CN 201220374979 U CN201220374979 U CN 201220374979U CN 202729589 U CN202729589 U CN 202729589U
Authority
CN
China
Prior art keywords
grab bucket
links
sketch plate
earrings
frame
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Withdrawn - After Issue
Application number
CN 201220374979
Other languages
Chinese (zh)
Inventor
杨久宝
詹涛
赵志华
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.)
NFC Shenyang Metallurgy Machinery Co Ltd
Original Assignee
NFC Shenyang Metallurgy 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 NFC Shenyang Metallurgy Machinery Co Ltd filed Critical NFC Shenyang Metallurgy Machinery Co Ltd
Priority to CN 201220374979 priority Critical patent/CN202729589U/en
Application granted granted Critical
Publication of CN202729589U publication Critical patent/CN202729589U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses a spring self-locking grab bucket mechanism, relates to an improvement of a grab bucket mechanism of a residue-removing device of an aluminum electrolysis multifunctional crane, and provides a spring self-locking grab bucket mechanism which is safe in use. The spring self-locking grab bucket mechanism comprises a machine frame. An air cylinder is arranged on the machine frame. The air cylinder is connected with a connection rod through a sketch plate, wherein the connection rod controls opening and closing of a grab bucket. The middle portion of the sketch plate is arranged on the machine frame through a first rotating shaft. The spring self-locking grab bucket mechanism is characterized in that three connection hinged points are arranged on the sketch plate in triangle mode, and two upper connection hinge points are respectively connected with the air cylinder and the connection rod. A lower connection hinge point is connected with the upper end of a thrust spring rod, and the lower end of the thrust spring rod is hinged on the machine frame.

Description

A kind of spring self-lock grab bucket mechanism
Technical field
The utility model relates to a kind of improvement of grab bucket mechanism of aluminum electrolysis multifunctional crane slag cleaning device.
Background technology
The aluminum electrolysis multifunctional crane group is the key equipment that large-scale aluminium electrolysis is produced, and is bearing auxiliary large-sized prebaked cell for aluminum-reduction production operation task.Along with the future development of the cell technologies in the aluminium industry processed towards large capacity prebaked cell technology, guarantee prebaked cell modernization, high efficiency steady production, require aluminum electrolysis multifunctional crane to possess more complete function.
What the grab bucket mechanism of existing aluminum electrolysis multifunctional crane slag cleaning device adopted is that cylinder control bucket body opens and closes, and because of the machinery-free self-locking device, the bucket body of grabbing bucket when source of the gas breaks down in the working process can be opened because of Action of Gravity Field, causes serious industrial accident.And in the slag cleaning device operational process, grab bucket need to utilize the anchor clamps of anode to carry out contraposition, operate more loaded down with trivial details and difficulty larger.
Summary of the invention
The utility model is exactly for the problems referred to above, and a kind of safe spring self-lock grab bucket mechanism that uses is provided.
For realizing above-mentioned purpose of the present utility model, the utility model adopts following technical scheme, the utility model comprises frame, be provided with cylinder on the frame, the connecting rod that cylinder is opened, closed with the control grab bucket by sketch plate links to each other, the sketch plate middle part is arranged on the frame by the first rotating shaft, triangular in shapely on the described sketch plate of its structural feature be provided with three and connect hinges, two of the top connect hinge and link to each other with connecting rod with cylinder respectively, a connection hinge of below links to each other with the upper end of thrust spring bar, and the lower end of thrust spring bar is hinged on the frame.
The beneficial effects of the utility model: when the utility model uses, by the rotation of cylinder control sketch plate, when grab bucket is opened, the upper end of thrust spring bar is positioned at a side of its lower end, at this moment, the thrust spring bar is given thrust of sketch plate all the time, makes grab bucket be held open state; Otherwise when grab bucket was closed, the upper end of thrust spring bar was positioned at the opposite side of its lower end, and thrust spring applies the thrust of other direction to sketch plate, making grab bucket keep closed condition; Even cylinder deactivation can the production development accident yet.
In addition, grab bucket of the present utility model mechanism when work, need not contraposition, and it is more convenient to operate.
Description of drawings
Fig. 1 is the structural representation under the utility model grab bucket opening.
Fig. 2 is the structural representation under the utility model grab bucket intermediateness.
Fig. 3 is the structural representation under the utility model grab bucket closed condition.
Fig. 4 is the structural representation under the thrust spring bar compressive state.
Fig. 5 is the structural representation under the thrust spring bar extended configuration.
In the accompanying drawing 1 for grab bucket, 2 for cylinder, 3 for connect hinge, 4 for sketch plate, 5 be the first rotating shaft, 6 for frame, 7 for montant, 8 for the thrust spring bar, 9 for connecting rod, 10 for L shaped bar, 11 for cross bar, 12 be that the second rotating shaft, 13 is upper earrings for spring, 19 for intermediate sleeve, 18 for pillar, 17 for orienting sleeve, 16 for limiting stopper, 15 for lower earrings, 14.
The specific embodiment
The utility model comprises frame 6, be provided with cylinder 2 on the frame 6, the connecting rod 9 that cylinder 2 is opened, closed with control grab bucket 1 by sketch plate 4 links to each other, sketch plate 4 middle parts are arranged on the frame 6 by the first rotating shaft 5, triangular in shapely on the described sketch plate 4 be provided with three and connect hinges 3, two connection hinges 3 of top link to each other with connecting rod 9 with cylinder 2 respectively, and a connection hinge 3 of below links to each other with the upper end of thrust spring bar 8, and the lower end of thrust spring bar 8 is hinged on the frame 6.
Described connecting rod 9 comprises a montant 7 that connection hinge 3 links to each other with sketch plate 4, the lower end of montant 7 links to each other with an end of L shaped bar 10, the grab bucket 1 of the same side, corner of L shaped bar 10 links to each other, the other end of L shaped bar 10 is hinged with cross bar 11, the other end of cross bar 11 links to each other with the grab bucket 1 of opposite side, and the grab bucket 1 of opposite side is arranged on the frame 6 by the second rotating shaft 12.
Described thrust spring bar 8 comprises the lower earrings 13 that links to each other with frame 6, and lower earrings 13 links to each other with the orienting sleeve 15 of its top, is provided with the pillar 16 of energy up-and-down movement in the orienting sleeve 15, and pillar 16 upper ends link to each other with upper earrings 19; Upper earrings 19 links to each other with the connection hinge 3 of sketch plate 4 belows; Be provided with spring 18 between the lower earrings 13 in orienting sleeve 15 outsides and the upper earrings 19.
But be provided with the intermediate sleeve 17 of up-and-down movement in the described orienting sleeve 15, intermediate sleeve 17 top internal diameters are less than the middle and lower part internal diameter; But be provided with the limiting stopper 14 of up-and-down movement in intermediate sleeve 17 middle and lower parts, limiting stopper 14 is fixed on the lower end of described pillar 16, and the diameter of limiting stopper 14 is greater than intermediate sleeve 17 top internal diameters., intermediate sleeve 17 can increase the variation range of upper earrings 19 and lower earrings 13 relative positions by being set, and easy to use; And need not the cost of manufacture higher long orienting sleeve of large hardness and pillar.
Described orienting sleeve 15 can be installed on the lower earrings 13 by latching member; Connect reliable.
Below in conjunction with description of drawings one-off process of the present utility model: the Open-closure action: as shown in Figure 1, the piston rod of cylinder 2 is released, and sketch plate 4 rotates around the first rotating shaft 5, and drivening rod 9 motions; Sketch plate 4 compresses thrust spring bars 8 by the connection hinge 3 of its below simultaneously, and it is clockwise rotated, to position shown in Figure 2.
The piston rod of cylinder 2 continues to release, sketch plate 4 drives the upper end of thrust spring bar 8 to the opposite side of thrust spring bar 8 lower ends, and as shown in Figure 3, the thrust of thrust spring bar 8 is greater than the gravity of grab bucket 1, by the locking to sketch plate 4, realize grabbing bucket 1 automatically lock.
Close-breakdown action, the piston rod of cylinder 2 is regained, and when driving grab bucket 1 unlatching by sketch plate 4, also thrust spring bar 8 is rotated counterclockwise, and during to position shown in Figure 1, thrust spring bar 8 makes grab bucket 1 remain unlatching for sketch plate 4 provides latching force.

Claims (4)

1. spring self-lock grab bucket mechanism, comprise frame (6), be provided with cylinder (2) on the frame (6), cylinder (2) is opened with control grab bucket (1) by sketch plate (4), the connecting rod of closing (9) links to each other, sketch plate (4) middle part is arranged on the frame (6) by the first rotating shaft (5), it is characterized in that: upper three the connection hinges (3) that are provided with triangular in shape of described sketch plate (4), two connection hinges (3) of top respectively same cylinder (2) link to each other with connecting rod (9), a connection hinge (3) of below links to each other with the upper end of thrust spring bar (8), and the lower end of thrust spring bar (8) is hinged on the frame (6).
2. a kind of spring self-lock grab bucket according to claim 1 mechanism, it is characterized in that: described connecting rod (9) comprises that one of same sketch plate (4) connects the montant (7) that hinge (3) links to each other, the lower end of montant (7) links to each other with an end of L shaped bar (10), the grab bucket (1) of the same side, corner of L shaped bar (10) links to each other, the same cross bar of the other end (11) of L shaped bar (10) is hinged, the other end of cross bar (11) links to each other with the grab bucket (1) of opposite side, and the grab bucket of opposite side (1) is arranged on the frame (6) by the second rotating shaft (12).
3. a kind of spring self-lock grab bucket according to claim 1 and 2 mechanism, it is characterized in that: described thrust spring bar (8) comprises the lower earrings (13) that same frame (6) links to each other, lower earrings (13) links to each other with the orienting sleeve (15) of its top, be provided with the pillar (16) of energy up-and-down movement in the orienting sleeve (15), pillar (16) upper end links to each other with upper earrings (19); The connection hinge (3) of the same sketch plate of upper earrings (19) (4) below links to each other; Be provided with spring (18) between the lower earrings (13) in orienting sleeve (15) outside and the upper earrings (19).
4. a kind of spring self-lock grab bucket according to claim 3 mechanism is characterized in that: described orienting sleeve (15) but in be provided with the intermediate sleeve (17) of up-and-down movement, intermediate sleeve (17) top internal diameter is less than the middle and lower part internal diameter; Intermediate sleeve (17) but be provided with the limiting stopper (14) of up-and-down movement in the middle and lower part, limiting stopper (14) is fixed on the lower end of described pillar (16), the diameter of limiting stopper (14) is greater than intermediate sleeve (17) top internal diameter.
CN 201220374979 2012-07-31 2012-07-31 Spring self-locking grab bucket mechanism Withdrawn - After Issue CN202729589U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220374979 CN202729589U (en) 2012-07-31 2012-07-31 Spring self-locking grab bucket mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220374979 CN202729589U (en) 2012-07-31 2012-07-31 Spring self-locking grab bucket mechanism

Publications (1)

Publication Number Publication Date
CN202729589U true CN202729589U (en) 2013-02-13

Family

ID=47655311

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220374979 Withdrawn - After Issue CN202729589U (en) 2012-07-31 2012-07-31 Spring self-locking grab bucket mechanism

Country Status (1)

Country Link
CN (1) CN202729589U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103569861A (en) * 2012-07-31 2014-02-12 中国有色(沈阳)冶金机械有限公司 Spring self-locking type grab bucket mechanism
CN104860193A (en) * 2015-05-20 2015-08-26 中国有色(沈阳)冶金机械有限公司 Grab bucket device capable of realizing horizontal fishing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103569861A (en) * 2012-07-31 2014-02-12 中国有色(沈阳)冶金机械有限公司 Spring self-locking type grab bucket mechanism
CN103569861B (en) * 2012-07-31 2015-04-22 中国有色(沈阳)冶金机械有限公司 Spring self-locking type grab bucket mechanism
CN104860193A (en) * 2015-05-20 2015-08-26 中国有色(沈阳)冶金机械有限公司 Grab bucket device capable of realizing horizontal fishing

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130213

Effective date of abandoning: 20150422