CN208138413U - A kind of buffering type non-return device - Google Patents
A kind of buffering type non-return device Download PDFInfo
- Publication number
- CN208138413U CN208138413U CN201820469622.2U CN201820469622U CN208138413U CN 208138413 U CN208138413 U CN 208138413U CN 201820469622 U CN201820469622 U CN 201820469622U CN 208138413 U CN208138413 U CN 208138413U
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- China
- Prior art keywords
- outer ring
- cover
- groups
- plate
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Pivots And Pivotal Connections (AREA)
- Vibration Dampers (AREA)
Abstract
The utility model discloses a kind of buffering type non-return devices, including anti-pivoted arm, one end two sides of the anti-pivoted arm are equipped with side plate, and two groups of side plates are mounted on anti-pivoted arm by pin, outer ring and inner ring are equipped between two groups of side plates, and outer ring is socketed in the outside of inner ring, two groups of side plates are equipped with buffer unit far from the side of outer ring, the buffer unit includes cover, positioning ring, friction plate, fixed plate and spring, cover is cylindrical housings open at one end, and the open end of cover is fixed by screws on outer ring, the inside of cover is equipped with positioning ring, the limit loose slot being distributed at equal intervals is circumferentially on positioning ring, friction plate is rotatably connected in limit loose slot.The utility model structure is simple; design rationally, using the frictional force between buffer unit and buffer board can slow down working equipment because the reasons such as power-off make transmission shaft generate larger reverse impact load suddenly, and protection holdback is not damaged; and buffer unit dismounting is convenient, is conveniently replaceable.
Description
Technical field
The utility model relates to holdback field more particularly to a kind of buffering type non-return devices.
Background technique
When belt conveyor has load to stop in order to prevent reversing or smooth phenomenon occur for holdback, through to braking moment
Accounting, add check or brake apparatus depending on concrete condition.
Existing holdback when in use more to be directly anchored on working equipment, and the effect of holdback is to make transmission shaft can only
One direction rotates, and the reasons such as unexpected power-off of working machine make transmission shaft generate larger reverse impact load, at this time shock loading
Considerably beyond the specified allowable load of holdback, holdback is be easy to cause to damage, it is inverse to have devised a kind of buffer-type for we thus
Only device solves problem above.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of buffer-type check proposed
Device.
To achieve the goals above, the utility model uses following technical solution：
A kind of buffering type non-return device, including anti-pivoted arm, one end two sides of the anti-pivoted arm are equipped with side plate, and two groups of side plates
It is mounted on anti-pivoted arm by pin, outer ring and inner ring is equipped between two groups of side plates, and outer ring is socketed in the outside of inner ring, two groups
Side plate is equipped with buffer unit far from the side of outer ring, the buffer unit include cover, positioning ring, friction plate, fixed plate and
Spring, cover is cylindrical housings open at one end, and the open end of cover is fixed by screws on outer ring, the inside of cover
Equipped with positioning ring, it is circumferentially with the limit loose slot being distributed at equal intervals on positioning ring, limits and is rotatably connected in loose slot
Friction plate, cover pass through bullet far from the fixed plate being equipped on the inside of one end of side plate into circular distribution between fixed plate and friction plate
Spring is connected, and the two sides of inner ring are equipped with into the buffer board of circular distribution.
Preferably, the anti-pivoted arm is equipped with device seat far from one end of side plate.
Preferably, the cover is equipped with equally distributed heat radiating slot.
Preferably, the angle between the initial position and positioning ring of the friction plate is acute angle, and friction plate is close to spring
Side is equipped with friction projection grain, and friction projection grain is located at one end that friction plate leans on proximal panel, side of the friction plate far from friction projection grain
Equipped with frosted layer.
Preferably, the round hole coaxial with outer ring is equipped on side plate described in two groups, between the outer ring and two groups of side plates
By hex screw be connected, and hex screw around outer ring axis at circular distribution.
Compared with prior art, the utility model has the beneficial effects that：
Buffer board rotates while inner ring normal rotation, and the friction projection grain of buffer board and friction plate is affixed, and fixed plate passes through
Spring pushes friction plate to buffer board, and the frictional force of buffer board and friction projection grain can play the role of buffering, can slow down work
For equipment because the reasons such as power-off make transmission shaft generate larger reverse impact load suddenly, protection holdback is not damaged, and buffers
Device dismounting is convenient, easy to operate, when buffer function dies down, convenient for the replacement of buffer unit.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of buffering type non-return device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of buffering type non-return device remove the side view of buffer unit；
Fig. 3 be the utility model proposes a kind of buffering type non-return device buffer unit top view.
In figure：1 anti-pivoted arm, 2 side plates, 3 outer rings, 4 buffer units, 41 covers, 42 positioning rings, 43 friction plates, 44 fixed plates,
5 buffer boards, 6 device seats, 7 friction projection grains, 8 inner rings.
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.
Referring to Fig.1-3, one end two sides of a kind of buffering type non-return device, including anti-pivoted arm 1, anti-pivoted arm 1 are equipped with side plate 2,
And two groups of side plates 2 are mounted on anti-pivoted arm 1 by pin, anti-pivoted arm 1 is equipped with device seat 6, two groups of side plates far from one end of side plate 2
Outer ring 3 and inner ring 8 are equipped between 2, and outer ring 3 is socketed in the outside of inner ring 8, is equipped on two groups of side plates 2 coaxial with outer ring 3
Round hole is connected between outer ring 3 and two groups of side plates 2 by hex screw, and axis of the hex screw around outer ring 3 divides at circle
Cloth, two groups of side plates 2 are equipped with buffer unit 4 far from the side of outer ring 3, and buffer unit 4 includes cover 41, positioning ring 42, friction
Plate 43, fixed plate 44 and spring, cover 41 are cylindrical housings open at one end, and cover 41 is equipped with equally distributed radiating groove
Hole, and the open end of cover 41 is fixed by screws on outer ring 3, the inside of cover 41 are equipped with positioning ring 42, on positioning ring 42
It is circumferentially with the limit loose slot being distributed at equal intervals, limits in loose slot and is rotatably connected to friction plate 43, cover 41 is separate
It is equipped with the fixed plate 44 at circular distribution on the inside of one end of side plate 2, is connected between fixed plate 44 and friction plate 43 by spring, it is interior
The two sides of circle 8 are equipped with into the buffer board 5 of circular distribution, and the angle between the initial position and positioning ring 42 of friction plate 43 is sharp
Angle, friction plate 43 is equipped with friction projection grain 7 close to the side of spring, and friction projection grain 7 is located at one that friction plate 43 leans on proximal panel 2
End.
Working principle：When work, buffer board 4 is rotated while 4 normal rotation of inner ring, and buffer board 4 rubs with friction plate 43
It wipes convex grain 7 to be affixed, when working equipment because the reasons such as power-off make transmission shaft generate larger reverse impact load, fixed plate 44 suddenly
Push friction plate 43 to buffer board 5 by spring, the frictional force of buffer board 5 and friction projection grain 7 can achieve the effect of buffering, and
Buffer unit 4 is mounted on inner ring 3 using screw, and it is convenient to dismount, and the heat radiating slot on cover 41 can assist dissipating for holdback
Heat, present apparatus structure is simple, design rationally, using the frictional force between buffer unit 4 and buffer board 5 can slow down working equipment because
Transmission shaft is set to generate larger reverse impact load the reasons such as to power off suddenly, protection holdback is not damaged, and buffer unit 4 is torn open
It is convenient to fill, and is conveniently replaceable.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of buffering type non-return device, including anti-pivoted arm (1), which is characterized in that one end two sides of the anti-pivoted arm (1) are equipped with
Side plate (2), and two groups of side plates (2) are mounted on anti-pivoted arm (1) by pin, are equipped between two groups of side plates (2) outer ring (3) and interior
It encloses (8), and outer ring (3) are socketed in the outside of inner ring (8), two groups of side plates (2) are equipped with buffer unit far from the side of outer ring (3)
(4), the buffer unit (4) includes cover (41), positioning ring (42), friction plate (43), fixed plate (44) and spring, cover
It (41) is cylindrical housings open at one end, and the open end of cover (41) is fixed by screws on outer ring (3), cover (41)
Inside be equipped with positioning ring (42), the limit loose slot being distributed at equal intervals is circumferentially on positioning ring (42), limits loose slot
It is inside rotatably connected to friction plate (43), cover (41) is far from the fixed plate being equipped on the inside of the one end of side plate (2) into circular distribution
(44), it is connected between fixed plate (44) and friction plate (43) by spring, the two sides of inner ring (8) are equipped with into the slow of circular distribution
Punching (5).
2. a kind of buffering type non-return device according to claim 1, which is characterized in that the anti-pivoted arm (1) is far from side plate (2)
One end be equipped with device seat (6).
3. a kind of buffering type non-return device according to claim 1, which is characterized in that the cover (41), which is equipped with, uniformly divides
The heat radiating slot of cloth.
4. a kind of buffering type non-return device according to claim 1, which is characterized in that the initial position of the friction plate (43)
Angle between positioning ring (42) is acute angle, and friction plate (43) is equipped with friction projection grain (7) close to the side of spring, and friction projection
Grain (7) is located at one end that friction plate (43) lean on proximal panel (2).
5. a kind of buffering type non-return device according to claim 1, which is characterized in that side plate described in two groups is equipped on (2)
The coaxial round hole with outer ring (3) is connected between the outer ring (3) and two groups of side plates (2) by hex screw, and hexagonal spiral shell
The axis around outer ring (3) is followed closely into circular distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820469622.2U CN208138413U (en) | 2018-04-04 | 2018-04-04 | A kind of buffering type non-return device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820469622.2U CN208138413U (en) | 2018-04-04 | 2018-04-04 | A kind of buffering type non-return device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138413U true CN208138413U (en) | 2018-11-23 |
Family
ID=64291874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820469622.2U Expired - Fee Related CN208138413U (en) | 2018-04-04 | 2018-04-04 | A kind of buffering type non-return device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138413U (en) |
-
2018
- 2018-04-04 CN CN201820469622.2U patent/CN208138413U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 Termination date: 20200404 |