CN109399442A - A kind of mining electric excavator large-scale nut hoisting structure and its hanging method - Google Patents
A kind of mining electric excavator large-scale nut hoisting structure and its hanging method Download PDFInfo
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- CN109399442A CN109399442A CN201811531621.7A CN201811531621A CN109399442A CN 109399442 A CN109399442 A CN 109399442A CN 201811531621 A CN201811531621 A CN 201811531621A CN 109399442 A CN109399442 A CN 109399442A
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- nut
- pad
- hole
- suspender
- axle sleeve
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- 238000005065 mining Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000725 suspension Substances 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000007423 decrease Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 240000009087 Crescentia cujete Species 0.000 claims description 2
- 235000005983 Crescentia cujete Nutrition 0.000 claims description 2
- 235000009797 Lagenaria vulgaris Nutrition 0.000 claims description 2
- 235000014676 Phragmites communis Nutrition 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/16—Slings with load-engaging platforms or frameworks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of mining electric excavator large-scale nut hoisting structure and its hanging methods, are related to nut mounting technology field.The nut hoisting structure includes being fixed on chassis, platform, central axle sleeve, nut, suspension hook, the first lifting rope, the second lifting rope, first manual cucurbit, nut pad and suspender；Central axle sleeve passes through the first lifting rope connecting shackle, nut pad is stuck in the pad slot of nut bottom, it is stuck in described in suspender in the third through-hole among nut pad, suspender passes through the second lifting rope connecting shackle, second lifting rope is equipped with first manual cucurbit, and second lifting rope passes through the second through-hole of central axle sleeve.When lifting, central axle sleeve is sling certain altitude by suspension hook, then slings nut by first manual cucurbit, nut keeps inclination, and nut is steadily hung to installation site, while need not gear below temporary removal nut installation site, securely and reliably, easy to operate, installation effectiveness is high.
Description
Technical field
It is lifted and is tied with large-scale nut the present invention relates to nut mounting technology field more particularly to a kind of mining electric excavator
Structure and its hanging method.
Background technique
The scale of mining electric excavator is big, correspondingly, the components of mining electric excavator are also bigger；Mining electric
For excavator as important mining tool, working strength is also very big, and components loss is big.If mining electric excavator
The nut of central axle sleeve damages, and needs to replace nut；Since nut fastening position lower left is fixed with gear, gear with
Nut fastening position is apart from short, and gear is not easy to temporary removal, to limit nut installation；Nut fastening position simultaneously
Height is higher, and installation space is limited, it is difficult to using the mounting means for directly jacking nut；And when lifting by the way of nut,
Due to the limitation of gear position, nut is difficult to steadily be hung to installation site.
Summary of the invention
To solve the above problems, the present invention proposes that a kind of mining electric excavator is lifted with large-scale nut
Structure and its hanging method, the nut hoisting structure can guarantee that nut is steadily hung to installation site, while need not temporary removal
Gear below nut installation site, securely and reliably, easy to operate, installation effectiveness is high.
To achieve the goals above, the present invention uses following scheme:
The purpose of the present invention is to provide a kind of mining electric excavator large-scale nut hoisting structures, including are fixed on base
Platform, central axle sleeve, gear, spherical pad and the nut above chassis, chassis on plinth, the platform are equipped with vertical first
Through-hole, the chassis are equipped with vertical ladder hole, and the central axle sleeve lower end outer wall is equipped with screw thread；Under the central axle sleeve
Across the upper hole of first through hole and ladder hole, the lower end of the central axle sleeve is located in lower opening at end；In the central axle sleeve
Between be provided with the second vertical through-hole；The upper end outer wall of the central axle sleeve extends to form protrusion around, is stuck on platform；It is described
Spherical pad is sleeved on central axle sleeve lower end；The gear is fixed on the trunnion axis of lower opening left side inner wall of ladder hole；Institute
Stating hoisting structure further includes suspension hook, the first lifting rope, the second lifting rope, first manual cucurbit, nut pad and suspender；The suspension hook position
In the top of the second through-hole；Central axle sleeve is sling certain altitude by the first lifting rope connecting shackle, suspension hook by the central axle sleeve,
To provide installation site for nut；The nut is located on nut pad；The centre of the nut pad is provided with vertical
Three through-holes；The suspender is stuck in third through-hole, and the center line for guaranteeing suspender is overlapped with the center line of nut, to guarantee nut
Lifting is steady, and for the suspender by the second lifting rope connecting shackle, second lifting rope is equipped with first manual cucurbit, and described second
Lifting rope passes through the second through-hole.
Further, the hoisting structure further includes drawstring, the second bottle gouard moved by hands, the first engaging lug and the second connection
Ear, first engaging lug are fixed on the centre on the right of the rebasing face of nut support, and second engaging lug is fixed under central axle sleeve
On the basis of side, one end of the first engaging lug connection stay cord, the other end of the drawstring passes through the second engaging lug and is fixed on lower opening
The right inner wall, the drawstring be equipped with the second bottle gouard moved by hands.In nut hoisting process, drawstring and the second bottle gouard moved by hands are mutual
Cooperation, tilt nut avoid damage to gear to guarantee that nut stabilization is sling.
Further, the nut pad is additionally provided with four vertical fourth holes, and four fourth holes press circumference
It is distributed in around third through-hole；The lower edge of the nut is equipped with fillet surface, is equipped on the fillet surface by circumference several convex
It rises, pad slot is opened in the lower end of the nut, and the lower end of the nut forms four corner blocks, and the nut pad is stuck in pad slot
Interior, four corner blocks are stuck in four fourth holes.Pad slot and nut pad cooperate, nut and nut support
Pad does not occur to slide relatively, guarantees the safety of installation environment, while guaranteeing to install accuracy.
Further, the suspender is in ladder circle column, and the suspender is divided into lower section cylinder, middle section cylinder, upper section circle
Column and hanging ring, the middle section cylinder are located in the third through-hole of nut pad, and the lower section cylinder is located at below nut pad, institute
The upper section cylinder for stating suspender is fixed with hanging ring, and the hanging ring passes through the second lifting rope connecting shackle.
Further, the internal diameter of the third through-hole is less than the diameter of lower section cylinder.
Further, the upper surface of the nut and the lower end surface of spherical pad cooperate, and are curved surface.
Another object of the present invention is to provide a kind of lifting sides of mining electric excavator large-scale nut hoisting structure
Method includes the following steps:
Step 1: nut is cut into pad slot, steel plate is cut into third through-hole and fourth hole, obtains nut support
Pad, and the first engaging lug is fixed in the centre on the right of the rebasing face of nut support；
Step 2: going out the suspender of stepped cylindrical with machine tooling, then fixes hanging ring on the upper section cylinder of suspender；
Spherical pad, the nut processed, nut pad and suspender: being transported to the lower opening of ladder hole by step 3, fixed
The second bottle gouard moved by hands is arranged on drawstring, and one end of drawstring and the first engaging lug are fixed for second engaging lug, and the other end passes through
It is fixed on the lower opening inner wall of ladder hole after second engaging lug, suspender is stuck in the third through-hole of nut pad, by ball ring
Piece is placed on nut, and then nut is placed on nut pad；
Step 4: the suspension hook of crane is connected into central axle sleeve by the first lifting rope, central axle sleeve is sling, central axis is kept
Set lower end is located in the lower opening of ladder hole；
Step 5: being arranged first manual cucurbit on the second lifting rope, and suspension hook is then connected hanging ring by the second lifting rope；
Step 6: operation first manual cucurbit first slings nut pad, and nut pad is stuck in the pad slot of nut,
Then nut is sling with nut pad；Meanwhile the second bottle gouard moved by hands is operated, the length of drawstring is controlled, nut and nut are kept
Pad inclination, keeps nut not touch gear；
Step 7: when the lower edge of nut left end is higher than gear, continuing to operate first manual cucurbit, the second bottle gouard moved by hands,
The length of drawstring is controlled, until nut and nut pad are horizontal, removes drawstring；
Step 8: operation crane declines suspension hook, and nut is kept not touch gear, so that central axle sleeve declines, operates simultaneously
First manual cucurbit stops operation first manual cucurbit until nut contact central axle sleeve；
Step 9: continuing to decline suspension hook, until the spacing between nut and gear is the most narrow spacing for not interfering nut to install
From then nut portion is screwed on central axle sleeve by installation tool；Repeat decline suspension hook, screw on nut, until nut
It is completely tightened to the lower end of central axle sleeve；
Step 10: nut pad and suspender are put down, then remove the first lifting rope, second hang by operation first manual cucurbit
Rope, first manual cucurbit, nut pad, suspender, drawstring and the second bottle gouard moved by hands carry out locking processing to nut.
Further, in the step 2, when the suspender is processed, the diameter of the middle section cylinder of suspender is less than third through-hole
Internal diameter, the diameter of the lower section cylinder of suspender is greater than the internal diameter of third through-hole.
Further, in the step 9, when the suspension hook declines, nut is kept not contact gear.
Further, in hoisting process, the drawstring keeps tensioning state.
The present invention has the advantages that pad slot and nut pad are mutual in the hoisting structure of large-scale nut of the present invention
Cooperation, nut do not occur to slide relatively with nut pad, guarantee the safety of installation environment, while guaranteeing to install accuracy；Its
Middle suspender is located on the center line of nut, is further ensured that lifting exactly；In nut hoisting process, drawstring and second-hand
Dynamic cucurbit cooperates, so that tilt nut avoids damage to gear to guarantee that nut is steadily sling；Large size of the present invention
When nut hoisting structure lifts nut, it is not necessary to the gear below temporary removal nut installation site, while hoisting structure safely may be used
It leans on；The hanging method of nut hoisting structure of the present invention, easy to operate, installation effectiveness is high；It nut pad and is hung in the present invention
The auxiliary tools such as tool can Reusability, reduce cost.
Detailed description of the invention
Fig. 1 is the lifting schematic diagram of large-scale nut of the present invention.
Fig. 2 is the enlarged diagram in Fig. 1 at M.
Fig. 3 is the scheme of installation of large-scale nut of the present invention.
Fig. 4 is the elevational schematic view of nut of the present invention.
Fig. 5 is the schematic cross-sectional view in the face A-A in Fig. 4.
Fig. 6 is the elevational schematic view of nut shim of the present invention.
Fig. 7 is the structural schematic diagram of suspender of the present invention.
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.
Unless otherwise defined, the technical term or scientific term used herein should be in disclosure fields and has
The ordinary meaning that the personage of general technical ability is understood.Used in disclosure patent application specification and claims
"upper", "lower", "left", "right", "front", "rear" etc. are only used for indicating relative positional relationship, when the absolute position for being described object
After change, then the relative positional relationship also correspondingly changes.
As shown in figs. 1 and 3, the foundation structure of mining electric excavator large-scale nut installation site of the present invention includes
Platform 2, central axle sleeve 3, gear 4, spherical pad 5 and the nut 6 of chassis 1,1 top of chassis on the basis of being fixed on are described flat
Platform 2 is equipped with vertical first through hole 7, and the chassis 1 is equipped with vertical ladder hole 8, and 3 lower end outer wall of central axle sleeve is equipped with
Screw thread；The lower end of the central axle sleeve 3 passes through the upper hole 8-1 of first through hole 7 and ladder hole 8, the lower end of the central axle sleeve 3
In lower opening 8-2；The centre of the central axle sleeve 3 is provided with the second vertical through-hole 9；The upper end outer wall of the central axle sleeve 3
Protrusion is extended to form around, is stuck on platform 2；The spherical pad 5 is sleeved on 3 lower end of central axle sleeve；The gear 4 is fixed
On the trunnion axis of the left side the lower opening 8-2 inner wall of ladder hole 8.
As shown in Figures 1 to 3, mining electric excavator large-scale nut hoisting structure of the present invention includes suspension hook 10,
One lifting rope 11, the second lifting rope 12, first manual cucurbit 13, nut pad 14, suspender 15, drawstring 16, the second bottle gouard moved by hands 17,
One engaging lug 18 and the second engaging lug 19；The suspension hook 10 is located at the top of the second through-hole 9；The central axle sleeve 3 passes through first
Central axle sleeve 3 is sling certain altitude by 11 connecting shackle 10 of lifting rope, suspension hook 10, to provide installation site for nut 6；The spiral shell
Mother 6 is located on nut pad 14；The centre of the nut pad 14 is provided with vertical third through-hole 14-1；The suspender 15 is stuck in
In third through-hole 14-1, guarantee that the center line of suspender 15 is overlapped with the center line of nut 6, thus guarantee that nut 6 lifts steadily, institute
Suspender 15 is stated by 12 connecting shackle 10 of the second lifting rope, second lifting rope 12 is equipped with first manual cucurbit 13, and described second
Lifting rope 12 passes through the second through-hole 9；First engaging lug 18 is fixed on the centre on the right of 14 bottom surface of nut pad, and described second connects
Lug 19 is fixed on the basis of the lower section of central axle sleeve 3, one end of 18 connection stay cord 16 of the first engaging lug, the drawstring 16 it is another
One end passes through the right inner wall that the second engaging lug 19 is fixed on lower opening 8-2, and the drawstring 16 is equipped with the second bottle gouard moved by hands 17.Institute
The lower end surface of the upper surface and spherical pad 5 of stating nut 6 cooperates, and is curved surface.In 6 hoisting process of nut, drawstring
16 and second bottle gouard moved by hands 17 cooperate, nut 6 tilt, thus guarantee nut 6 stabilization sling, avoid damage to gear.
As shown in fig. 6, the nut pad 14 is additionally provided with four vertical fourth hole 14-2, four fourth holes
14-2 is by circle distribution around third through-hole 14-1；The lower edge of the nut 6 is equipped with fillet surface 6-1, the fillet surface
Several protrusion 6-2 are equipped with by circumference on 6-1, pad slot 6-3 is opened in the lower end of the nut 6, and the lower end of the nut 6 forms four
Corner block 6-4；As shown in Figures 1 to 6, the nut pad 14 is stuck in pad slot 6-3, and four corner block 6-4 block respectively
In four fourth hole 14-2.Pad slot 6-3 and nut pad 14 cooperate, and with nut pad 14 phase does not occur for nut 6
To sliding, guarantee the safety of installation environment, while guaranteeing that accuracy is installed.
As illustrated in figures 1 and 7, the suspender 15 is in ladder circle column, and the suspender 15 is divided into lower section cylinder 15-1, middle section
Cylinder 15-2, upper section cylinder 15-3 and hanging ring 15-4, the middle section cylinder 15-2 are located at the third through-hole 14-1 of nut pad 14
Interior, the lower section cylinder 15-1 is located at 14 lower section of nut pad, and the upper section cylinder 15-3 of the suspender 15 is fixed with hanging ring 15-4,
The hanging ring 15-4 passes through 12 connecting shackle 10 of the second lifting rope.The internal diameter of the third through-hole 14-1 is less than lower section cylinder 15-1's
Diameter.
As shown in fig. 7, the hanging ring 15-4 is made of the U-shaped bar and stay bolt that Open Side Down, one end of the U-shaped bar is opened
There is cross through hole, the other end is provided with lateral threaded holes；The upper end cylinder 15-3 is provided with lateral circular hole, and stay bolt sequentially passes through cross
To through-hole, lateral circular hole, it is tightened in lateral threaded holes, to form hanging ring 15-4.
As illustrated in figures 1 and 7, the hanging method of above-mentioned mining electric excavator large-scale nut hoisting structure, including it is following
The step of:
Step 1: being cut into pad slot 6-3 for nut 6, steel plate be cut into third through-hole 14-1 and fourth hole 14-2,
Nut pad 14 is obtained, and the first engaging lug 18 is fixed in the centre on the right of 14 bottom surface of nut pad；
Step 2: going out the suspender 15 of stepped cylindrical with machine tooling, then fixed on the upper section cylinder 15-3 of suspender 15
The diameter of hanging ring 15-4, the middle section cylinder 15-2 of suspender 15 are less than the internal diameter of third through-hole 14-1, the lower section cylinder 15- of suspender 15
1 diameter is greater than the internal diameter of third through-hole 14-1；
Step 3: spherical pad 5, the nut processed 6, nut pad 14 and suspender 15 are transported under ladder hole 8
Hole 8-2 fixes the second engaging lug 19, the second bottle gouard moved by hands 17 is arranged on drawstring 16, and one end of drawstring 16 is connected with first
Lug 18 is fixed, and the other end is fixed on the lower opening 8-2 inner wall of ladder hole 8 after the second engaging lug 19, and suspender 15 is stuck in
In the third through-hole 14-1 of nut pad 14, spherical pad 5 is placed on nut 6, nut 6 is then placed on nut pad 14
On；
Step 4: the suspension hook 10 of crane is connected into central axle sleeve 3 by the first lifting rope 11, central axle sleeve 3 is sling, is kept
3 lower end of central axle sleeve is located in the lower opening 8-2 of ladder hole 8；
Step 5: being arranged first manual cucurbit 13 on the second lifting rope 12, then connects suspension hook 10 by the second lifting rope 12
Meet hanging ring 15-4；
Step 6: operation first manual cucurbit 13 first slings nut pad 14, nut pad 14 is stuck in the support of nut 6
It pads in slot 6-3, then nut 6 is sling with nut pad 14；Meanwhile the second bottle gouard moved by hands 17 is operated, control the length of drawstring 16
Degree keeps nut 6 and nut pad 14 to tilt, nut 6 is kept not touch gear 4；
Step 7: when the lower edge of 6 left end of nut is higher than gear 4, continue to operate first manual cucurbit 13, the second manual calabash
Reed 17 controls the length of drawstring 16, until nut 6 and nut pad 14 are horizontal, removes drawstring 16；
Step 8: operation crane declines suspension hook 10, and nut 6 is kept not touch gear 4, so that central axle sleeve 3 declines, simultaneously
First manual cucurbit 13 is operated until the contact central axle sleeve 3 of nut 6, stops operation first manual cucurbit 13；
Step 9: continuing to decline suspension hook 10, until the spacing between nut 6 and gear 4 is not interfere the installation of nut 6 most
Then 6 part of nut is screwed on central axle sleeve 3 by small distance by installation tool；Repetition decline suspension hook 10, screw on nut 6,
Until nut 6 is completely tightened to the lower end of central axle sleeve 3；
Step 10: nut pad 14 and suspender 15 are put down, then remove the first lifting rope by operation first manual cucurbit 13
11, the second lifting rope 12, first manual cucurbit 13, nut pad 14, suspender 15, drawstring 16 and the second bottle gouard moved by hands 17, to nut
Carry out locking processing.
In entire hoisting process, the drawstring 16 keeps tensioning state.
In the hoisting structure of large-scale nut of the present invention, pad slot and nut pad cooperate, nut and nut support
Pad does not occur to slide relatively, guarantees the safety of installation environment, while guaranteeing to install accuracy；Wherein suspender is located in nut
On heart line, it is further ensured that lifting exactly；In nut hoisting process, drawstring and the second bottle gouard moved by hands cooperate, and make
It obtains tilt nut and avoids damage to gear to guarantee that nut 6 is steadily sling；Large-scale nut hoisting structure lifting of the present invention
When nut, it is not necessary to the gear below temporary removal nut installation site, while hoisting structure is safe and reliable；Nut of the present invention
The hanging method of hoisting structure, easy to operate, installation effectiveness is high；The auxiliary tools such as nut pad and suspender can instead in the present invention
It is multiple to use, reduce cost.
Claims (10)
1. a kind of mining electric excavator large-scale nut hoisting structure, including chassis (1), the chassis (1) on the basis of being fixed on
Platform (2), central axle sleeve (3), gear (4), spherical pad (5) and the nut (6) of top, the platform (2) are equipped with vertical
First through hole (7), the chassis (1) are equipped with vertical ladder hole (8), and central axle sleeve (3) lower end outer wall is equipped with screw thread；
The lower end of the central axle sleeve (3) passes through the upper hole (8-1) of first through hole (7) and ladder hole (8), the central axle sleeve (3)
Lower end be located in lower opening (8-2)；The centre of the central axle sleeve (3) is provided with vertical the second through-hole (9)；The central axle sleeve
(3) upper end outer wall extends to form protrusion around, is stuck on platform (2)；The spherical pad (5) is sleeved on central axle sleeve
(3) lower end；The gear (4) is fixed on the trunnion axis of the left side lower opening (8-2) inner wall of ladder hole (8)；
It is characterized by: the hoisting structure further includes suspension hook (10), the first lifting rope (11), the second lifting rope (12), first manual
Cucurbit (13), nut pad (14) and suspender (15)；The suspension hook (10) is located at the top of the second through-hole (9)；The central axis
It covers (3) and passes through the first lifting rope (11) connecting shackle (10)；The nut (6) is located on nut pad (14)；The nut pad
(14) centre is provided with vertical third through-hole (14-1)；The suspender (15) is stuck in third through-hole (14-1), the suspender
(15) by the second lifting rope (12) connecting shackle (10), second lifting rope (12) is equipped with first manual cucurbit (13), described
Second lifting rope (12) passes through the second through-hole (9).
2. mining electric excavator large-scale nut hoisting structure according to claim 1, it is characterised in that: the lifting knot
Structure further includes drawstring (16), the second bottle gouard moved by hands (17), the first engaging lug (18) and the second engaging lug (19), first connection
Ear (18) is fixed on the centre on the right of nut pad (14) bottom surface, and second engaging lug (19) is fixed under central axle sleeve (3)
On the basis of side, one end of the first engaging lug (18) connection stay cord (16), the other end of the drawstring (16) passes through the second connection
Ear (19) is fixed on the right inner wall of lower opening (8-2), and the drawstring (16) is equipped with the second bottle gouard moved by hands (17).
3. mining electric excavator large-scale nut hoisting structure according to claim 1, it is characterised in that: the nut support
Pad (14) is additionally provided with four vertical fourth holes (14-2), and four fourth holes (14-2) are logical in third by circle distribution
Around hole (14-1)；The lower edge of the nut (6) is equipped with fillet surface (6-1), is equipped on the fillet surface (6-1) by circumference
Several protrusions (6-2), the lower end of the nut (6) are opened pad slot (6-3), and the lower end of the nut (6) forms four corner blocks
(6-4), the nut pad (14) are stuck in pad slot (6-3), and four corner blocks (6-4) are stuck in four four-ways
In hole (14-2).
4. mining electric excavator large-scale nut hoisting structure according to claim 1, it is characterised in that: the suspender
It (15) is in ladder circle column, the suspender (15) is divided into lower section cylinder (15-1), middle section cylinder (15-2), upper section cylinder (15-
3) it is located in the third through-hole (14-1) of nut pad (14) with hanging ring (15-4), the middle section cylinder (15-2), the lower section
Cylinder (15-1) is located at below nut pad (14), and the upper section cylinder (15-3) of the suspender (15) is fixed with hanging ring (15-4),
The hanging ring (15-4) passes through the second lifting rope (12) connecting shackle (10).
5. mining electric excavator large-scale nut hoisting structure according to claim 4, it is characterised in that: the third is logical
The internal diameter in hole (14-1) is less than the diameter of lower section cylinder (15-1).
6. mining electric excavator large-scale nut hoisting structure according to claim 1, it is characterised in that: the nut
(6) lower end surface of upper surface and spherical pad (5) cooperates, and is curved surface.
7. a kind of hanging method of the mining electric excavator with large-scale nut hoisting structure, feature as described in claim 1-6
It is, comprising the following steps:
Step 1: being cut into pad slot (6-3) for nut (6), and steel plate is cut into third through-hole (14-1) and fourth hole
(14-2) is obtained nut pad (14), and the first engaging lug (18) are fixed in the centre on the right of nut pad (14) bottom surface；
Step 2: going out the suspender (15) of stepped cylindrical with machine tooling, then solid on the upper section cylinder (15-3) of suspender (15)
Determine hanging ring (15-4)；
Step 3: spherical pad (5), the nut (6) processed, nut pad (14) and suspender (15) are transported to ladder hole
(8) lower opening (8-2), fixes the second engaging lug (19), is arranged on drawstring (16) the second bottle gouard moved by hands (17), and by drawstring
(16) one end and the first engaging lug (18) is fixed, and the other end is fixed on ladder hole (8) after passing through the second engaging lug (19)
Suspender (15) is stuck in the third through-hole (14-1) of nut pad (14), spherical pad (5) is placed on by lower opening (8-2) inner wall
On nut (6), then nut (6) is placed on nut pad (14)；
Step 4: by the suspension hook (10) of crane by the first lifting rope (11) connection central axle sleeve (3), central axle sleeve (3) being sling,
Central axle sleeve (3) lower end is kept to be located in the lower opening (8-2) of ladder hole (8)；
Step 5: being arranged first manual cucurbit (13) on the second lifting rope (12), and suspension hook (10) are then passed through the second lifting rope
(12) hanging ring (15-4) is connected；
Step 6: operation first manual cucurbit (13) first slings nut pad (14), nut pad (14) is stuck in nut (6)
Pad slot (6-3) in, then nut (6) is sling with nut pad (14)；Meanwhile operation the second bottle gouard moved by hands (17), control
The length of drawstring (16) processed, nut (6) and nut pad (14) inclination, keep nut (6) not touch gear (4)；
Step 7: when the lower edge of nut (6) left end is higher than gear (4), continue to operate first manual cucurbit (13), second manually
Cucurbit (17) controls the length of drawstring (16), until nut (6) and nut pad (14) are horizontal, removes drawstring (16)；
Step 8: operation crane decline suspension hook (10) keeps nut (6) not touch gear (4), so that central axle sleeve (3) declines,
First manual cucurbit (13) are operated simultaneously until nut (6) contact central axle sleeve (3), stops operation first manual cucurbit (13)；
Step 9: continuing to decline suspension hook (10), until the spacing between nut (6) and gear (4) is that nut (6) is not interfered to install
Minimum range, then nut (6) is partially screwed on central axle sleeve (3) by installation tool；Decline suspension hook (10) is repeated,
Screw on nut (6), until nut (6) are completely tightened to the lower end of central axle sleeve (3)；
Step 10: nut pad (14) and suspender (15) are put down, then remove the first lifting rope by operation first manual cucurbit (13)
(11), the second lifting rope (12), first manual cucurbit (13), nut pad (14), suspender (15), drawstring (16) and the second manual calabash
Reed (17) carries out locking processing to nut.
8. the hanging method of mining electric excavator large-scale nut hoisting structure according to claim 7, it is characterised in that:
In the step 2, when the suspender is processed, the diameter of the middle section cylinder (15-2) of suspender (15) is less than third through-hole (14-1)
Internal diameter, the diameter of the lower section cylinder (15-1) of suspender (15) is greater than the internal diameter of third through-hole (14-1).
9. the hanging method of mining electric excavator large-scale nut hoisting structure according to claim 7, it is characterised in that:
In the step 9, when the suspension hook (10) declines, nut (6) is kept not contact gear (4).
10. the hanging method of mining electric excavator large-scale nut hoisting structure, feature exist according to claim 7
In: in hoisting process, the drawstring (16) keeps tensioning state.
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| JPH09155656A (en) * | 1995-12-08 | 1997-06-17 | Toshiba Corp | Nut rotating device and assembly method |
| US5779295A (en) * | 1996-06-08 | 1998-07-14 | Checkmate Uk Limited | Lifting plate for slings |
| CN201801303U (en) * | 2010-09-25 | 2011-04-20 | 中国航天科工集团第二研究院二一○所 | Suspender specialized for square cabin |
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| CN109399442B (en) | 2024-02-09 |
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