CN208965609U - A kind of buffer protection device of mine power shovel - Google Patents
A kind of buffer protection device of mine power shovel Download PDFInfo
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- CN208965609U CN208965609U CN201821546404.0U CN201821546404U CN208965609U CN 208965609 U CN208965609 U CN 208965609U CN 201821546404 U CN201821546404 U CN 201821546404U CN 208965609 U CN208965609 U CN 208965609U
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- shovel
- limited block
- bar
- vibration damper
- rod
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Abstract
The utility model belongs to mine power shovel technical field, more particularly to a kind of buffer protection device of mine power shovel, pushing including being mounted on shovel bar helps handle and is mounted on the limited block of shovel bar tail end, pushing, which is helped, is equipped with blind hole in handle, blind hole is equipped with hydraulic lubricating cup, hydraulic oil and piston are equipped in hydraulic lubricating cup, piston is connected with piston rod, piston rod is externally connected with baffle, baffle is connected with spring, the right end of piston rod is connected with connecting plate, connecting plate is connected with multistage retractable rod, multistage retractable rod is connected with vibration damper plate, several damping springs are equipped between connecting plate and vibration damper plate, limited block is connected with screw rod, screw rod is connected with nut, connection frame is connected on the left of limited block, connection frame is uniformly provided with several circular holes, first straight line bearing is equipped in circular hole, slide bar is equipped in first straight line bearing, the left end of slide bar is connected with the first vibration damper plate, First vibration damper plate is equipped with several rubber pads, and slide bar is connected with limit plate, and limit plate is connected with the first damping spring.
Description
Technical field
The utility model belongs to mine power shovel technical field, and in particular to a kind of buffer protection device of mine power shovel.
Background technique
The primary drive mode of the dipper crowding gear of power shovel is shaft gear, the overload clutch by pushing motor drive speed reducer
The engaged transmission of device and the shovel bar rack gear for pushing gear wheel, and asking shovel bar gear and pushing to help in handle by two sides, to make tooth
The rotary motion of wheel is changed into the linear motion of rack gear, realizes that shovel bar is helping stretching in handle.
By the shovel body of rod, rack gear and after preventing shovel bar stretching excessive, insurance tooth device forms the shovel bar of power shovel equipment,
During digging operation, due to the undesirable mode of operation of post personnel and habit operation, frequently results in shovel bar and stretch out excessively, make
The gear shaft and interstage sleeve helped on handle are hit at shovel bar two sides limit insurance tooth device, since intrinsic rear insurance tooth is using ZG30
Material steel, such material after by external force collision institute be easy to that insurance tooth fracture, especially winter occurs happens is that rigid impact
In operation process, the fracture defect after hitting is more prominent, and tooth device is insured after limit and once finds fracture or damage, must
It must be replaced in time, otherwise will easily cause shovel bar and go here and there out from helping in handle, the pernicious equipment thing that shovel bar is thrown from eminence occurs
Therefore such hidden danger and accident will directly injure the safety of personnel, while vehicle to power shovel lower part and other facilities are also brought
Great security risk, secondly in shovel bar use process, what abrasion or the other positions of shovel bar due to shovel bar rack gear occurred
The reasons such as damage need insurance tooth fixed screw after shoveling bar to replace every time while bar is shoveled in replacement, while insuring tooth
There is also abrasions and damage, these all cause equipment cost loss and waste.
Application No. is 201520402723.4 to disclose a kind of electric shovel rod buffering stop block, including is located at pushing and helps handle
On slide plate, the slide plate is equipped with hold-down support, this hold-down support is connected with damping rubber block, this damping rubber block bottom
The connection of the upper surface slide of portion and electric shovel rod is equipped with limited block, the fixation in the tail portion upper surface of the electric shovel rod
Support is located at electric shovel rod aft end side, and the limited block height dimension is the three of the damping rubber block height dimension
/ bis-；It, which is able to solve, protects insurance tooth, but since the effect of its protection is limited and right when in use
The protection of limited block is inadequate, so that limited block is easily damaged；And damping rubber block is also easily damaged after shock, causes to buffer
Limiting device service life is not grown, and needs to replace at any time.
Utility model content
Aiming at the problem that above-mentioned background technique is proposed, the purpose of this utility model is: being intended to provide a kind of mine power shovel
Buffer protection device.To realize the above-mentioned technical purpose, the technical solution adopted in the utility model is as follows:
A kind of buffer protection device of mine power shovel, the pushing including being mounted on shovel bar help handle and are mounted on shovel bar tail end
Limited block, the pushing helps and is equipped with blind hole in handle, and the blind hole is equipped with hydraulic lubricating cup, is equipped in the hydraulic lubricating cup hydraulic
Oil and piston, the piston are uniformly provided with several through-holes, and described interior equipped with convex bumper ring, the piston is connected with piston rod,
The pushing helps handle to be equipped with the linear bearing to match with piston rod, and the piston rod is externally connected with baffle, the baffle installation
In blind hole, the baffle is connected with spring, and the left end of the spring is fixedly connected with blind hole inner wall, the right end of the piston rod
It is connected with connecting plate, the ball to match with shovel bar is embedded in the downside of the connecting plate, the connecting plate is connected with multistage
Telescopic rod, the multistage retractable rod are connected with vibration damper plate, and several damping springs are equipped between the connecting plate and vibration damper plate, described
Limited block is connected with screw rod, and the screw rod is connected with nut, and connection frame is connected on the left of the limited block, and the connection frame is equal
It is even to be equipped with several circular holes, it is equipped with first straight line bearing in the circular hole, is equipped with slide bar, the slide bar in the first straight line bearing
Left end be connected with the first vibration damper plate, first vibration damper plate is equipped with several rubber pads, and the slide bar is connected with limit plate, institute
It states limit plate and is connected with the first damping spring, the right end of first damping spring is connect with limited block.
Using technical solutions of the utility model, when using a kind of buffer protection device of mine power shovel, in post
When the undesirable mode of operation of personnel and habit operation cause to shovel bar stretching excess, pushing helps handle to be hit to limit Block direction
It hits, so that vibration damper plate and the first vibration damper plate bump against；The cooperation of damping spring and multistage retractable rod, so that helping pommel to pushing
There is first-level buffer effect, then by the cooperation of hydraulic lubricating cup, piston, through-hole, piston rod and spring, helps pommel to have two pushing
Grade buffer function, and when stress is excessive, hydraulic oil squeezes convex bumper ring, so that through-hole becomes larger, so that buffering
Effect is more preferable；And rubber pad has first-level buffer effect to limited block end, the cooperation of slide bar, limit plate and the first damping spring can
So that further being buffered to limited block end；And the buffer protection device that linear bearing and first straight line bearing can make is relatively flat
Surely；The setting of ball can make buffer unit will not influence shovel bar and push the sliding helped between handle.
It further limits, the rubber pad is arcuate structure, such structure design, the buffering that rubber pad can be made to play
Function and effect are preferable.
It further limiting, the center line of the multistage retractable rod is overlapped with the center line of piston rod, such structure design,
When using vibration damper plate, the stationarity of vibration damper plate is more preferable.
It further limits, the damping spring is uniformly arranged around multistage retractable rod, and such structure design can make damping
Spring stress is uniform, so that vibration damper plate is more stable, so that damping effect is more preferable.
It further limits, rubbery flat gasket is connected between the limited block and shovel bar, such structure design can make to subtract
Abrasion between few limited block and shovel bar.
Detailed description of the invention
The utility model can be further illustrated by the nonlimiting examples that attached drawing provides；
Fig. 1 is a kind of structural schematic diagram of the buffer protection device embodiment of mine power shovel of the utility model；
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A；
Fig. 3 is the enlarged structure schematic diagram in Fig. 1 at B；
Main element symbol description is as follows:
Shovel bar 1, rubbery flat gasket 11 push and help handle 2, blind hole 21, linear bearing 22, limited block 3, screw rod 31, nut 32, connect
Connect frame 33, first straight line bearing 34, slide bar 35, the first vibration damper plate 36, rubber pad 37, limit plate 38, the first damping spring 39, liquid
Pressure oil cup 4, hydraulic oil 41, piston 42, through-hole 43, convex bumper ring 44, piston rod 45, baffle 46, spring 47, connecting plate 48,
Ball 49, multistage retractable rod 5, vibration damper plate 51, damping spring 52.
Specific embodiment
It is right with reference to the accompanying drawings and examples in order to make those skilled in the art that the utility model may be better understood
Technical solutions of the utility model further illustrate.
As shown in Figure 1, Figure 2 and Figure 3, the buffer protection device of a kind of mine power shovel of the utility model, including be mounted on
Pushing on shovel bar 1 helps handle 2 and is mounted on the limited block 3 of shovel 1 tail end of bar, and pushing is helped and is equipped with blind hole 21 in handle 2, and blind hole 21 is installed
There is hydraulic lubricating cup 4, hydraulic oil 41 and piston 42 is equipped in hydraulic lubricating cup 4, piston 42 is uniformly provided with several through-holes 43, interior equipped with convex
Type bumper ring 44, piston 42 are connected with piston rod 45, push and handle 2 is helped to be equipped with the linear bearing 22 to match with piston rod 45, living
Stopper rod 45 is externally connected with baffle 46, and baffle 46 is mounted in blind hole 21, and baffle 46 is connected with spring 47, the left end of spring 47 with it is blind
21 inner wall of hole is fixedly connected, and the right end of piston rod 45 is connected with connecting plate 48, is embedded in the downside of connecting plate 48 and shovel 1 phase of bar
Matched ball 49, connecting plate 48 are connected with multistage retractable rod 5, and multistage retractable rod 5 is connected with vibration damper plate 51, connecting plate 48 with subtract
It shakes and is equipped with several damping springs 52 between plate 51, limited block 3 is connected with screw rod 31, and screw rod 31 is connected with nut 32, limited block 3
Left side is connected with connection frame 33, and connection frame is uniformly provided with several circular holes, is equipped with first straight line bearing 34, first straight line axis in circular hole
It holds and is equipped with slide bar 35 in 34, the left end of slide bar 35 is connected with the first vibration damper plate 36, and the first vibration damper plate 36 is equipped with several rubber pads
37, slide bar 35 is connected with limit plate 38, and limit plate 38 is connected with the first damping spring 39, the right end and limit of the first damping spring 39
Position block 3 connects.
In the present embodiment, when using a kind of buffer protection device of mine power shovel, in the undesirable behaviour of post personnel
When make mode causes shovel bar 1 to stretch out excessive with habit operation, pushing helps handle 2 to be hit to 3 direction of limited block, to make
It obtains vibration damper plate 51 and the first vibration damper plate 36 bumps against；The cooperation of damping spring 52 and multistage retractable rod 5, so that helping 2 end of handle to pushing
There is first-level buffer effect, then by the cooperation of hydraulic lubricating cup 4, piston 42, through-hole 43, piston rod 45 and spring 47, to pushing
2 end of handle is helped to have level 2 buffering effect, and when stress is excessive, hydraulic oil 41 squeezes convex bumper ring 44, so that logical
Hole 43 becomes larger, so that buffering effect is more preferable；And rubber pad 37 has first-level buffer effect, slide bar 35, limit plate 38 to 3 end of limited block
With the cooperation of the first damping spring 39, can further to buffer 3 end of limited block；And linear bearing 22 and first straight line axis
It is relatively steady to hold the buffer protection device that 34 can make；The setting of ball 49, can make buffer unit will not influence shovel bar 1 with
Push the sliding helped between handle 2.
Preferred rubber pad 37 is arcuate structure, such structure design, the buffer function effect that rubber pad 37 can be made to play
Fruit is preferable.In fact, can also consider the structure of rubber pad 37 as the case may be.
It is preferred that the center line of multistage retractable rod 5 is overlapped with the center line of piston rod 45, such structure design subtracts in use
When shaking plate 51, the stationarity of vibration damper plate 51 is more preferable.In fact, can also consider as the case may be multistage retractable rod 5 with
The positional relationship of piston rod 45.
It is preferred that damping spring 52 is uniformly arranged around multistage retractable rod 5, such structure design, can make damping spring 52 by
Power is uniform, so that vibration damper plate 51 is more stable, so that damping effect is more preferable.In fact, can also consider as the case may be
The distribution situation of damping spring 52.
It is preferred that being connected with rubbery flat gasket 11 between limited block 3 and shovel bar 1, such structure design can make to reduce limiting
Abrasion between block 3 and shovel bar 1.In fact, can also consider to reduce limited block 3 as the case may be and shovel the mill between bar 1
The structure of damage.
Above-described embodiment is merely exemplary to illustrate the principle and effect of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, all those of ordinary skill in the art are without departing from the revealed spirit of the utility model
With all equivalent modifications completed under technical idea or change, should be covered by the claim of the utility model.
Claims (5)
1. a kind of buffer protection device of mine power shovel, the pushing including being mounted on shovel bar (1) helps handle (2) and is mounted on shovel bar
(1) limited block (3) of tail end, it is characterised in that: the pushing, which is helped in handle (2), is equipped with blind hole (21), blind hole (21) installation
Have hydraulic lubricating cup (4), hydraulic oil (41) and piston (42) are equipped in the hydraulic lubricating cup (4), the piston (42) is uniformly provided with
Several through-holes (43), interior to be equipped with convex bumper ring (44), the piston (42) is connected with piston rod (45), and handle is helped in the pushing
(2) it is equipped with the linear bearing (22) to match with piston rod (45), the piston rod (45) is externally connected with baffle (46), the gear
Plate (46) is mounted in blind hole (21), and the baffle (46) is connected with spring (47), the left end of the spring (47) and blind hole
(21) inner wall is fixedly connected, and the right end of the piston rod (45) is connected with connecting plate (48), in the downside of the connecting plate (48)
It is embedded with the ball (49) to match with shovel bar (1), the connecting plate (48) is connected with multistage retractable rod (5), and the multistage is stretched
Contracting bar (5) is connected with vibration damper plate (51), is equipped with several damping springs (52) between the connecting plate (48) and vibration damper plate (51), institute
It states limited block (3) to be connected with screw rod (31), the screw rod (31) is connected with nut (32), the left side connection of the limited block (3)
Having connection frame (33), the connection frame is uniformly provided with several circular holes, is equipped with first straight line bearing (34) in the circular hole, and described the
Slide bar (35) are equipped in one linear bearing (34), the left end of the slide bar (35) is connected with the first vibration damper plate (36), and described first
Vibration damper plate (36) is equipped with several rubber pads (37), and the slide bar (35) is connected with limit plate (38), and the limit plate (38) is even
It is connected to the first damping spring (39), the right end of first damping spring (39) is connect with limited block (3).
2. a kind of buffer protection device of mine power shovel according to claim 1, it is characterised in that: the rubber pad (37)
For arcuate structure.
3. a kind of buffer protection device of mine power shovel according to claim 2, it is characterised in that: the multistage retractable rod
(5) center line is overlapped with the center line of piston rod (45).
4. a kind of buffer protection device of mine power shovel according to claim 3, it is characterised in that: the damping spring
(52) it is uniformly arranged around multistage retractable rod (5).
5. a kind of buffer protection device of mine power shovel according to claim 4, it is characterised in that: the limited block (3)
Rubbery flat gasket (11) are connected between shovel bar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821546404.0U CN208965609U (en) | 2018-09-21 | 2018-09-21 | A kind of buffer protection device of mine power shovel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821546404.0U CN208965609U (en) | 2018-09-21 | 2018-09-21 | A kind of buffer protection device of mine power shovel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208965609U true CN208965609U (en) | 2019-06-11 |
Family
ID=66756215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821546404.0U Active CN208965609U (en) | 2018-09-21 | 2018-09-21 | A kind of buffer protection device of mine power shovel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208965609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523281A (en) * | 2020-11-24 | 2021-03-19 | 安徽宇艳智能机械科技有限公司 | Loading mechanism for full-face rock loading and excavating loader with same |
| CN113215945A (en) * | 2021-05-31 | 2021-08-06 | 济南新宇硬质合金有限公司 | Hard alloy road milling and planing tooth |
-
2018
- 2018-09-21 CN CN201821546404.0U patent/CN208965609U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523281A (en) * | 2020-11-24 | 2021-03-19 | 安徽宇艳智能机械科技有限公司 | Loading mechanism for full-face rock loading and excavating loader with same |
| CN113215945A (en) * | 2021-05-31 | 2021-08-06 | 济南新宇硬质合金有限公司 | Hard alloy road milling and planing tooth |
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| GR01 | Patent grant |