CN207362902U - A kind of protection device for movable arm for mine power shovel - Google Patents
A kind of protection device for movable arm for mine power shovel Download PDFInfo
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- CN207362902U CN207362902U CN201721923184.4U CN201721923184U CN207362902U CN 207362902 U CN207362902 U CN 207362902U CN 201721923184 U CN201721923184 U CN 201721923184U CN 207362902 U CN207362902 U CN 207362902U
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- level
- damping
- arm
- power shovel
- vibration
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Abstract
The utility model discloses a kind of protection device for movable arm for mine power shovel, including mine power shovel car body, fixed arm is equipped with the right side of the mine power shovel car body, the fixed arm lower right side is equipped with telescopic support device, swing arm is equipped with the middle part of the fixed arm, multi-level damping device is equipped with the right side of fixed arm above the swing arm, the vibration absorber includes damping base, groove is equipped with the right side of the damping base, level-one cushion blocking is equipped with the groove, two level vibration damping housing is equipped with the right side of the level-one cushion blocking, both sides up and down in the two level vibration dampening shell body are equipped with two level shock-absorbing spring, mobile sliding block is equipped with the right side of the two level shock-absorbing spring, the mobile sliding block right is equipped with three-level damping base, upper and lower ends are equipped with three-level shock-absorbing spring on the right side of the three-level damping base.The effectiveness in vibration suppression for the multi-level damping device that the utility model adds is better than the effectiveness in vibration suppression of single-stage vibration absorber, can preferably protect vibration absorber.
Description
Technical field
Mine power shovel technical field is the utility model is related to, more particularly to a kind of swing arm for mine power shovel protects dress
Put.
Background technology
In surface mine production process, perforation, explosion, adopt dress, transport be mining production master operation.Ore-rock adopts dress
It is the key link of mining production.Domestic surface mine mostly mainly carries out exploitation excacation using dredger dredge equipment, general
There are wk-4 or wk-10 types all over the model used.Since it has, digging force is big, operation is stable, safe and reliable and production efficiency is high
The advantages that, extensively by large surface mine as main excavating equipment.The swing arm that power shovel front end is stretched out is the critical piece of power shovel,
For power shovel when digging operation lifts scraper bowl when being promoted to higher position, the edge of scraper bowl can hit swing arm, each impact
It is larger, number is frequent, movable arm of electric shovel, which is repeatedly subject to hit strongly, to cause stress cracking in swing arm impact site, reduce power shovel and move
The service life of arm.
Through retrieval, utility model Authorization Notice No. discloses a kind of protection device for movable arm of electric shovel for CN202247981U, by
The lower box being located at movable arm of electric shovel and bucket strikes, the upper box being connected by bolt with this lower box and is located at this nowel
Buffer unit in body, upper box is formed, and the buffer unit is by one group of bullet being located on the bottom surface in the lower box
Spring bearing, one group of spring being connected respectively with this group of spring fastening are formed, this spring and the upper box inner bottom surface
Mutually it is abutted against.
Through retrieval, utility model Authorization Notice No. discloses a kind of protection device for movable arm of electric shovel for CN202247981U, in
Vibration damping protective device protecting effect it is poor, it is impossible to be effectively protected swing arm, now design in view of the above problems and a kind of be used for ore deposit
The protection device for movable arm of mountain power shovel.
Utility model content
The purpose of this utility model is to provide a kind of protection device for movable arm for mine power shovel, possesses multi-level damping work(
Can the advantages of, the protecting effect for solving vibration damping protective device in existing protection device for movable arm of electric shovel is poor, it is impossible to effective
The problem of protecting swing arm.
According to a kind of protection device for movable arm for mine power shovel of the utility model embodiment, including mine power shovel car sheet
Body, the mine power shovel car body right side are equipped with fixed arm, and the fixed arm lower right side is equipped with telescopic support device, described solid
Be equipped with swing arm in the middle part of fixed arm, be equipped with multi-level damping device on the right side of the fixed arm above the swing arm, the vibration absorber is including subtracting
Shake base, and groove is equipped with the right side of the damping base, and level-one cushion blocking is equipped with the groove, is set on the right side of the level-one cushion blocking
There is a two level vibration damping housing, the both sides up and down in the two level vibration dampening shell body are equipped with two level shock-absorbing spring, the two level vibration damping bullet
Mobile sliding block is equipped with the right side of spring, the mobile sliding block right is equipped with three-level damping base, and the three-level damping base right side is up and down
Both ends are equipped with three-level shock-absorbing spring, are equipped with vibration damping end cap on the right side of the three-level shock-absorbing spring, the vibration damping end cap left side central portion is set
There is guide rod, the vibration damping end cap of the both sides up and down of the guide rod is equipped with hemispherical groove, buffering ball is equipped with the groove,
No. two vibration proof mountings are equipped with the left of the buffering ball.
Further, the telescopic support device includes support base, and the support base upper center is equipped with boss, institute
State and hold-doun nut be arranged with outside boss, No. two grooves are equipped with the middle part of the boss, ball head connecting piece is equipped with No. two grooves,
The ball head connecting piece top is equipped with multistage hydraulic cylinder, and the multistage hydraulic cylinder top is fixed on fixed arm.
Further, the guide rod runs through three-level damping base, and three-level vibration damping is fixed on the left of No. two vibration proof mountings
On base.
Further, the guide rod is fixedly connected with vibration damping end cap, and the three-level damping base passes through screw and vibration damping
Base is fixedly connected.
Further, the damping base is bolted on fixed arm.
The utility model has an advantageous effect in that compared with prior art：
1. setting movable arm of electric shovel multi-level damping device at movable arm of electric shovel and fixed arm shock, make scraper bowl when colliding, directly
Connect the vibration damping end cap for striking protection device for movable arm of electric shovel, make level-one cushion blocking in multi-level damping device, two level shock-absorbing spring,
Three-level shock-absorbing spring is pressurized, and absorbs the impulsive contact force of swing arm, avoids fixed arm from hitting the direct of movable arm of electric shovel, effectively protects
Movable arm of electric shovel, extends the service life of movable arm of electric shovel, and the effectiveness in vibration suppression of the multi-level damping device of addition is better than single-stage vibration damping
The effectiveness in vibration suppression of device, can preferably protect vibration absorber；
2. the telescopic support device of the support base added, ball head connecting piece, hold-doun nut, multistage hydraulic cylinder composition, can
To play the role of Auxiliary support so that device is more stablized, and weakens impact force, can shrink when not in use, prevents
Only influence the movement of mechanism.
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form the limitation to the utility model.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of protection device for movable arm for mine power shovel structure diagram；
Fig. 2 be the utility model proposes a kind of protection device for movable arm for mine power shovel in vibration absorber structure
Schematic diagram；
Fig. 3 is the partial structurtes enlarged drawing in Tu1Zhong A areas.
In figure：1- mines power shovel car body, 2- fixed arms, 3- telescopic support devices, 301- support bases, 302- bulbs connect
Fitting, 303- hold-doun nuts, 304- multistage hydraulic cylinders, 4- swing arms, 5- multi-level dampings device, 501- damping bases, 502- level-ones
Cushion blocking, 503- two level vibration dampings housing, 504- two levels shock-absorbing spring, 505- movements sliding block, 506- guide rods, 507- three-level vibration dampings
Base, 508- three-levels shock-absorbing spring, No. bis- vibration proof mountings of 509-, 510- buffering balls, 511- vibration damping end caps.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
With reference to Fig. 1-3, a kind of protection device for movable arm for mine power shovel, including mine power shovel car body 1, mine power shovel
The right side of car body 1 is equipped with fixed arm 2, and 2 lower right side of fixed arm is equipped with telescopic support device 3, and the middle part of fixed arm 2 is equipped with swing arm 4,
The right side of fixed arm 2 of the top of swing arm 4 is equipped with multi-level damping device 5, and vibration absorber 5 includes damping base 501, damping base 501
Right side is equipped with groove, and level-one cushion blocking 502 is equipped with groove, is equipped with two level vibration damping housing 503 on the right side of level-one cushion blocking 502, and two
Both sides up and down in level vibration damping housing 503 are equipped with two level shock-absorbing spring 504, and the right side of two level shock-absorbing spring 504 is equipped with mobile slide
Block 505, mobile 505 right of sliding block are equipped with three-level damping base 507, and 507 right side upper and lower ends of three-level damping base are equipped with three-level
Shock-absorbing spring 508, the right side of three-level shock-absorbing spring 508 are equipped with vibration damping end cap 511, and 511 left side central portion of vibration damping end cap is equipped with guide rod
506, the vibration damping end cap 511 of the both sides up and down of guide rod 506 is equipped with hemispherical groove, and buffering ball 510, vibration damping are equipped with groove
The left side of ball 510 is equipped with No. two vibration proof mountings 509.
Telescopic support device 3 includes support base 301, and 301 upper center of support base is equipped with boss, is arranged with outside boss
Hold-doun nut 303, boss middle part are equipped with No. two grooves, are equipped with ball head connecting piece 302 in No. two grooves, ball head connecting piece 302 pushes up
End is equipped with multistage hydraulic cylinder 304, and 304 top of multistage hydraulic cylinder is fixed on fixed arm 2；Guide rod 506 runs through three-level vibration damping bottom
Seat 507, No. two left sides of vibration proof mounting 509 are fixed on three-level damping base 507；Guide rod 506 is fixed with vibration damping end cap 511 to be connected
Connect, three-level damping base 507 is fixedly connected by screw with damping base 501；Damping base 501 is bolted on fixation
On arm 2.
In use, movable arm of electric shovel 4 is colliding scraper bowl with setting movable arm of electric shovel multi-level damping device 5 at 2 shock of fixed arm
When, directly impinge the vibration damping end cap 511 of protection device for movable arm of electric shovel, make level-one cushion blocking 502 in multi-level damping device 5,
Two level shock-absorbing spring 504, three-level shock-absorbing spring 508 are pressurized, and absorb the impulsive contact force of swing arm 4, avoid fixed arm 2 to movable arm of electric shovel
4 directly hit, is effectively protected movable arm of electric shovel 2, extends the service life of movable arm of electric shovel 2, the multi-level damping dress of addition
Put 5 effectiveness in vibration suppression be better than single-stage vibration absorber effectiveness in vibration suppression, can preferably protect vibration absorber.
Part is not described in detail for the utility model, is the known technology of those skilled in the art.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
- A kind of 1. protection device for movable arm for mine power shovel, it is characterised in that：Including mine power shovel car body (1), the ore deposit Fixed arm (2) is equipped with the right side of mountain power shovel car body (1), fixed arm (2) lower right side is equipped with telescopic support device (3), institute State and swing arm (4) be equipped with the middle part of fixed arm (2), multi-level damping device (5) is equipped with the right side of the fixed arm (2) above the swing arm (4), The multi-level damping device (5) includes damping base (501), is equipped with groove on the right side of the damping base (501), in the groove Equipped with level-one cushion blocking (502), two level vibration damping housing (503), the two level vibration damping are equipped with the right side of the level-one cushion blocking (502) Both sides up and down in housing (503) are equipped with two level shock-absorbing spring (504), are equipped with and move on the right side of the two level shock-absorbing spring (504) Movable slider (505), mobile sliding block (505) right are equipped with three-level damping base (507), the three-level damping base (507) Right side upper and lower ends are equipped with three-level shock-absorbing spring (508), and vibration damping end cap (511) is equipped with the right side of the three-level shock-absorbing spring (508), Vibration damping end cap (511) left side central portion is equipped with guide rod (506), the vibration damping end cap of the both sides up and down of the guide rod (506) (511) hemispherical groove is equipped with, buffering ball (510) is equipped with the groove, is subtracted on the left of the buffering ball (510) equipped with No. two Shake seat (509).
- A kind of 2. protection device for movable arm for mine power shovel according to claim 1, it is characterised in that：The flexible branch Support arrangement (3) includes support base (301), and support base (301) upper center is equipped with boss, is arranged with outside the boss Hold-doun nut (303), the boss middle part is equipped with No. two grooves, ball head connecting piece (302) is equipped with No. two grooves, described Ball head connecting piece (302) top is equipped with multistage hydraulic cylinder (304), and multistage hydraulic cylinder (304) top is fixed on fixed arm (2) On.
- A kind of 3. protection device for movable arm for mine power shovel according to claim 1, it is characterised in that：The guide rod (506) run through three-level damping base (507), be fixed on the left of No. two vibration proof mountings (509) on three-level damping base (507).
- A kind of 4. protection device for movable arm for mine power shovel according to claim 1, it is characterised in that：The guide rod (506) it is fixedly connected with vibration damping end cap (511), the three-level damping base (507) is fixed by screw and damping base (501) Connection.
- A kind of 5. protection device for movable arm for mine power shovel according to claim 1, it is characterised in that：The vibration damping bottom Seat (501) is bolted on fixed arm (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923184.4U CN207362902U (en) | 2017-12-29 | 2017-12-29 | A kind of protection device for movable arm for mine power shovel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923184.4U CN207362902U (en) | 2017-12-29 | 2017-12-29 | A kind of protection device for movable arm for mine power shovel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207362902U true CN207362902U (en) | 2018-05-15 |
Family
ID=62344226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721923184.4U Active CN207362902U (en) | 2017-12-29 | 2017-12-29 | A kind of protection device for movable arm for mine power shovel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207362902U (en) |
-
2017
- 2017-12-29 CN CN201721923184.4U patent/CN207362902U/en active Active
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