CN209143490U - A kind of mining electric excavator large-scale nut hoisting structure - Google Patents
A kind of mining electric excavator large-scale nut hoisting structure Download PDFInfo
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- CN209143490U CN209143490U CN201822102624.0U CN201822102624U CN209143490U CN 209143490 U CN209143490 U CN 209143490U CN 201822102624 U CN201822102624 U CN 201822102624U CN 209143490 U CN209143490 U CN 209143490U
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- nut
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- axle sleeve
- lifting rope
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Abstract
The utility model discloses a kind of mining electric excavator large-scale nut hoisting structures, 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 mining electric excavator described in the utility model is lifted with large-scale nut hoisting structure, central axle sleeve is sling certain altitude by suspension hook, then nut is sling by first manual cucurbit, nut keeps inclination, nut is steadily hung to installation site, at the same need not gear below temporary removal nut installation site, securely and reliably, easy to operate, installation effectiveness is high.
Description
Technical field
The utility model relates to nut mounting technology fields more particularly to a kind of mining electric excavator to be hung with large-scale nut
Assembling structure.
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.
Utility model content
To solve the above problems, the utility model proposes a kind of mining electric excavator large-scale nuts
Hoisting structure, the nut hoisting structure can guarantee that nut is steadily hung to installation site, while need not the installation of temporary removal nut
Gear below position, securely and reliably, easy to operate, installation effectiveness is high.
To achieve the goals above, the utility model uses following scheme:
The purpose of this utility model is to provide a kind of mining electric excavator large-scale nut hoisting structures, including fixation
On the basis of chassis, platform, central axle sleeve, gear, spherical pad and nut above chassis, the platform is 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；The central axle sleeve
Lower end pass through first through hole and ladder hole upper hole, the lower end of the central axle sleeve is located in lower opening；The central axle sleeve
Centre 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；
The spherical pad is sleeved on central axle sleeve lower end；The gear is fixed on the trunnion axis of the lower opening left side inner wall of ladder hole
On；The hoisting structure further includes suspension hook, the first lifting rope, the second lifting rope, first manual cucurbit, nut pad and suspender；It is described
Suspension hook is located at the top of the second through-hole；Central axle sleeve is sling one by the first lifting rope connecting shackle, suspension hook by the central axle sleeve
Fixed height, to provide installation site for nut；The nut is located on nut pad；The centre of the nut pad is provided with perpendicular
To third through-hole；The suspender is stuck in third through-hole, and the center line for guaranteeing suspender is overlapped with the center line of nut, to protect
It is steady to demonstrate,prove nut lifting, the suspender is equipped with first manual cucurbit, institute by the second lifting rope connecting shackle, second lifting rope
The second lifting rope is stated across 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 cylinder
And hanging ring, the middle section cylinder are located in the third through-hole of nut pad, the lower section cylinder is located at below nut pad, described
The upper section cylinder of 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.
Utility model has the advantages that in the hoisting structure of large-scale nut described in the utility model, pad slot and nut
Pad cooperates, and nut does not occur to slide relatively with nut pad, guarantees the safety of installation environment, while guaranteeing that installation is quasi-
True property；Wherein suspender is located on the center line of nut, is further ensured that lifting exactly；In nut hoisting process, drawstring
It cooperates with the second bottle gouard moved by hands, so that tilt nut avoids damage to gear to guarantee that nut is steadily sling；This is practical
When the novel large-scale nut hoisting structure lifting nut, it is not necessary to which the gear below temporary removal nut installation site is hung simultaneously
Assembling structure is safe and reliable；Nut hoisting structure described in the utility model, easy to operate, installation effectiveness is high；Spiral shell in the utility model
The auxiliary tools such as female pad and suspender can Reusability, reduce cost.
Detailed description of the invention
Fig. 1 is the lifting schematic diagram of large-scale nut described in the utility model.
Fig. 2 is the enlarged diagram in Fig. 1 at M.
Fig. 3 is the scheme of installation of large-scale nut described in the utility model.
Fig. 4 is the elevational schematic view of nut described in the utility model.
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 described in the utility model.
Fig. 7 is the structural schematic diagram of suspender described in the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
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 described in the utility model
Platform 2, central axle sleeve 3, gear 4, spherical pad 5 and nut 6 including chassis 1,1 top of chassis on the basis of being fixed on, institute
Platform 2 is stated equipped with vertical first through hole 7, the chassis 1 is equipped with vertical ladder hole 8,3 lower end outer wall of central axle sleeve
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 is located 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 of the central axle sleeve 3
Outer wall extends to form protrusion around, is stuck on platform 2；The spherical pad 5 is sleeved on 3 lower end of central axle sleeve；The gear 4
It is fixed on the trunnion axis of the left side 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 described in the utility model includes suspension hook
10, the first 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, the first 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
Central axle sleeve 3 is sling certain altitude by 11 connecting shackle 10 of the first lifting rope, suspension hook 10, to provide installation site for nut 6；Institute
Nut 6 is stated to be located on nut pad 14；The centre of the nut pad 14 is provided with vertical third through-hole 14-1；The suspender 15
It is stuck in third through-hole 14-1, guarantees that the center line of suspender 15 is overlapped with the center line of nut 6, to guarantee that the lifting of nut 6 is flat
Surely, for the suspender 15 by 12 connecting shackle 10 of the second lifting rope, second lifting rope 12 is equipped with first manual cucurbit 13, 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
Two engaging lugs 19 are fixed on the basis of 3 lower section of central axle sleeve, one end of 18 connection stay cord 16 of the first engaging lug, the drawstring 16
The other end pass through the second engaging lug 19 and be fixed on the right inner wall of lower opening 8-2, the drawstring 16 is equipped with the second bottle gouard moved by hands
17.The upper surface of the nut 6 and the lower end surface of spherical pad 5 cooperate, and are curved surface.In 6 hoisting process of nut,
Drawstring 16 and the second bottle gouard moved by hands 17 cooperate, and nut 6 tilts, to guarantee that the stabilization of nut 6 is 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 divides for 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 protected
3 lower end of central axle sleeve is held 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, 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, together
When operation first manual cucurbit 13 until nut 6 contact central axle sleeve 3, stop 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
Then 6 part of nut is screwed on central axle sleeve 3 by minimum range by installation tool；Repeat 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 described in the utility model, pad slot and nut pad cooperate, nut and spiral shell
Female pad does not occur to slide relatively, guarantees the safety of installation environment, while guaranteeing to install accuracy；Wherein suspender is located at nut
Center line on, be further ensured that lifting exactly；In nut hoisting process, drawstring and the second bottle gouard moved by hands phase interworking
It closes, so that tilt nut avoids damage to gear to guarantee that nut 6 is steadily sling；Large-scale nut lifting described in the utility model
When structure hoisting nut, it is not necessary to the gear below temporary removal nut installation site, while hoisting structure is safe and reliable；This is practical
The novel nut hoisting structure, easy to operate, installation effectiveness is high；The auxiliary tools such as nut pad and suspender in the utility model
Can Reusability, reduce cost.
Claims (6)
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)
With hanging ring (15-4), the middle section cylinder (15-2) is located in the third through-hole (14-1) of nut pad (14), the lower section circle
Column (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), institute
It states hanging ring (15-4) and 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822102624.0U CN209143490U (en) | 2018-12-14 | 2018-12-14 | A kind of mining electric excavator large-scale nut hoisting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822102624.0U CN209143490U (en) | 2018-12-14 | 2018-12-14 | A kind of mining electric excavator large-scale nut hoisting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209143490U true CN209143490U (en) | 2019-07-23 |
Family
ID=67290192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822102624.0U Active CN209143490U (en) | 2018-12-14 | 2018-12-14 | A kind of mining electric excavator large-scale nut hoisting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209143490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399442A (en) * | 2018-12-14 | 2019-03-01 | 马钢集团矿业有限公司 | A kind of mining electric excavator large-scale nut hoisting structure and its hanging method |
| CN115057332A (en) * | 2022-07-13 | 2022-09-16 | 重庆钢铁股份有限公司 | Quick-change device and method for screw-down rod of rolling mill |
-
2018
- 2018-12-14 CN CN201822102624.0U patent/CN209143490U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399442A (en) * | 2018-12-14 | 2019-03-01 | 马钢集团矿业有限公司 | A kind of mining electric excavator large-scale nut hoisting structure and its hanging method |
| CN109399442B (en) * | 2018-12-14 | 2024-02-09 | 安徽马钢矿业资源集团有限公司 | Large nut hoisting structure for mining electric excavator and hoisting method thereof |
| CN115057332A (en) * | 2022-07-13 | 2022-09-16 | 重庆钢铁股份有限公司 | Quick-change device and method for screw-down rod of rolling mill |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 243000 No. 1899 Taibai Avenue, Ma'anshan Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Maanshan Iron and Steel Mining Resources Group Co., Ltd. Address before: 243000 No. 1899 Taibai Avenue, Ma'anshan Economic Development Zone, Anhui Province Patentee before: Magang Group mining industry Co., Ltd |
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| CP03 | Change of name, title or address |