CN209586997U - A kind of coal fired power plant blower reversing brake apparatus - Google Patents
A kind of coal fired power plant blower reversing brake apparatus Download PDFInfo
- Publication number
- CN209586997U CN209586997U CN201920214852.9U CN201920214852U CN209586997U CN 209586997 U CN209586997 U CN 209586997U CN 201920214852 U CN201920214852 U CN 201920214852U CN 209586997 U CN209586997 U CN 209586997U
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- CN
- China
- Prior art keywords
- sleeper
- lead screw
- lever arm
- hydraulic jack
- stop block
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- 239000003245 coal Substances 0.000 title claims abstract description 13
- 241001669679 Eleotris Species 0.000 claims abstract description 34
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Abstract
A kind of coal fired power plant blower reversing brake apparatus, comprising: pedestal, lever arm, hydraulic jack, sleeper, pressing device and stop block；One end of pedestal and lever arm are hinged, and hydraulic jack is equipped on the other end of pedestal, and hydraulic jack top/bottom part is fixed on the base, and hydraulic jack exerts a force up towards lever arm, and hydraulic jack is connected with oil cylinder；Sleeper is installed on lever arm, pressing device and stop block are further fixed on lever arm, pressing device and stop block are separately positioned on the both ends of sleeper, and pressing device is compressed from one end of sleeper, so that the other end of sleeper stands tightly against stop block.The utility model base foundation, sleeper and hydraulic jack are fixed, easy for assembly, and efficiency is significantly promoted, and the rapid gradual braking of fan shaft that can reverse high speed, operating area promotes the safety of personnel far from danger source.
Description
Technical field
The utility model belongs to station boiler subsidiary engine apparatus field, and in particular to a kind of coal fired power plant blower reversing braking dress
It sets.
Background technique
Air Fans of Utility Boilers is in unilateral side operation, because fan outlet air door imprecision, has wind to return leakage from fan outlet door
Enter blower, so as to cause the rotation that upsides down of stoppage in transit blower, blower reverses the starting to blower, and there are great security risks, seriously
When can lead to motor heavy overload, blower off-axis etc., cause substantial equipment accident, influence unit generation amount.Therefore, if there is wind
Machine reverses phenomenon, it is necessary to can just start blower in the case where effective prevention is reversed.Be currently by the sleeper on shaft underlay,
It is pressurizeed again with hydraulic jack, increases the frictional force between sleeper and shaft, to realize braking.But jack can not be fixed, easily
Disequilibrium, operation process personnel are excessively close apart from danger zone, and there are greater risks.
Utility model content
The utility model aiming at the shortcomings in the prior art, provides a kind of coal fired power plant blower reversing brake apparatus.
To achieve the above object, the utility model uses following technical scheme:
A kind of coal fired power plant blower reverses brake apparatus characterized by comprising pedestal, lever arm, hydraulic jack,
Sleeper, pressing device and stop block；One end of the pedestal and lever arm are hinged, are equipped with hydraulic jack on the other end of pedestal
Top, the hydraulic jack top/bottom part are fixed on the base, and hydraulic jack exerts a force up towards lever arm, hydraulic jack and oil cylinder
It is connected；Sleeper is installed on the lever arm, is further fixed on pressing device and stop block on lever arm, the pressing device and only
Position block is separately positioned on the both ends of sleeper, and pressing device is compressed from one end of sleeper, so that the other end of sleeper is stood tightly against
Stop block.
To optimize above-mentioned technical proposal, the concrete measure taken further include:
Further, the pressing device includes bracket, lead screw, nut one, nut two, lead screw protective case sleeve and activity
Clamping plate；The bracket is fixed on lever arm, and the lead screw protective case sleeve is fixed on bracket, solid in lead screw protective case sleeve
Surely have a nut two, the lead screw pass through nut two and with two rotatable engagement of nut, the both ends of lead screw are from lead screw protective case sleeve
It stretches out, the nut one is fixedly mounted on one end of lead screw, and the ambulatory splint is movably arranged on the other end of lead screw, by turning
Dynamic nut one drives lead screw mobile, so that ambulatory splint is promoted towards the direction of sleeper.
Further, the end of the lead screw is fixed with ball, and spherical groove is offered in ambulatory splint, and the ball is living
It is mounted in spherical groove dynamicly, wherein will not be rolled out from spherical groove when ball rolls in spherical groove.
Further, the pedestal and lever arm are welded using channel steel.
Further, the stop block is made of steel, and stop block is welded on lever arm.
Further, the ambulatory splint is made of steel, and ball is welded on the end of lead screw.
The beneficial effects of the utility model are: base foundation, sleeper, hydraulic jack are fixed；It is easy for assembly, efficiency
Significantly promoted；The rapid gradual braking of fan shaft that high speed can be reversed；Operating area promotes the peace of personnel far from danger source
Quan Xing.
Detailed description of the invention
Fig. 1 is the overall perspective view of the utility model.
Fig. 2 is the whole side view of the utility model.
Fig. 3 is the side view of the utility model lead screw protective case sleeve.
Fig. 4 is the connection schematic diagram of the utility model ball and spherical groove.
Appended drawing reference is as follows: pedestal 1, lever arm 2, hydraulic jack 3, sleeper 4, pressing device 5, stop block 6, oil cylinder 7,
Bracket 8, lead screw 9, nut 1, nut 2 11, lead screw protective case sleeve 12, ambulatory splint 13, ball 14, spherical groove 15,
Clutch 16.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.
It is reversed as shown in Figure 1, the utility model provides a set of efficient, safe fan rotor suitable for execute-in-place
Brake apparatus, braking principle are the frictional force by being stepped up sleeper and shaft, realize the braking of fan shaft.It makes removable
Dynamic formula steelframe, one end articulated connection of steelframe, the other end are equipped with hydraulic jack, can be made by the operation to hydraulic jack
Steelframe is up and down, and one piece of sleeper is fixed on hydraulic frame.The customization steelframe for being fixed with sleeper is being placed on blower clutch just
Lower section.Jack is remotely operated by personnel, so that sleeper is gradually close to blower clutch, and is continuously increased frictional force, is made down
The blower turned realizes braking, also ensures personnel safety.
Coal fired power plant blower reverses the specific structure of brake apparatus referring to fig. 2, mainly includes pedestal 1, lever arm 2, hydraulic
Jack 3, sleeper 4, pressing device 5 and stop block 6.Pedestal 1 and lever arm 2 are welded using channel steel, one end of pedestal 1 with
Lever arm 2 is hinged, hydraulic jack 3 is equipped on the other end, 3 bottom of hydraulic jack is fixed on pedestal 1, hydraulic jack
3 exert a force up towards lever arm 2, and hydraulic jack 3 is connected with oil cylinder 7.Sleeper 4 is installed on lever arm 2, it is also solid on lever arm 2
Surely there are pressing device 5 and stop block 6, stop block 6 is made of steel, is welded on lever arm 2, pressing device 5 and stop block 6
The both ends of sleeper 4 are separately positioned on, pressing device 5 is compressed from one end of sleeper 4, so that the other end of sleeper 4 is stood tightly against
Stop block 6.
Wherein, pressing device 5 includes bracket 8, lead screw 9, nut 1, nut 2 11, lead screw protective case sleeve 12 and lives
Dynamic clamping plate 13.Bracket 8 is fixed on lever arm 2, and lead screw protective case sleeve 12 is fixed on bracket 8.As shown in figure 3, lead screw is protected
Be fixed with nut 2 11 in sheath sleeve 12, lead screw 9 pass through nut 2 11 and with 2 11 rotatable engagement of nut, the both ends of lead screw 9
It is stretched out from lead screw protective case sleeve 12, nut 1 is fixedly mounted on one end of lead screw 9, and ambulatory splint 13 is movably arranged on silk
The other end of thick stick 9 drives lead screw 9 mobile, so that the direction of ambulatory splint 13 towards sleeper 4 is pushed away by rotating nut 1
Into.
Referring to fig. 4, the end of lead screw 9 is welded with ball 14, activity folder to the specific connection type of lead screw 9 and ambulatory splint 13
Plate 13 is made of steel, wherein offering spherical groove 15, ball 14 is movably mounted in spherical groove 15, and ball 14 exists
It will not be rolled out from spherical groove 15 when being rolled in spherical groove 15.
When blower reverses, brake apparatus will be reversed and be placed in 16 lower section of clutch.Operator operates except safe distance,
By hydraulic jack 3, sleeper 4 is stepped up in the frictional force of clutch 16, so that fan shaft gradual braking, also ensures
The personal safety of operator.Before blower starting, first by 3 pressure release of hydraulic jack, sleeper 4 is detached from clutch 16, restarts wind
Machine.The reversing brake apparatus can effectively reduce blower starting impact, reduce starting current, avoid over current of motor protection dynamic or blower
Bearing damage, it is ensured that blower smoothly starts.
It should be noted that the use of such as "upper", "lower", "left", "right", "front", "rear" cited in utility model
Language is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or
Adjustment, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
It should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of coal fired power plant blower reverses brake apparatus characterized by comprising pedestal (1), lever arm (2), hydraulic jack
Push up (3), sleeper (4), pressing device (5) and stop block (6)；One end of the pedestal (1) and lever arm (2) hingedly, pedestal (1)
The other end on be equipped with hydraulic jack (3), hydraulic jack (3) bottom is fixed on pedestal (1), hydraulic jack
(3) it exerts a force up towards lever arm (2), hydraulic jack (3) is connected with oil cylinder (7)；Sleeper is installed on the lever arm (2)
(4), pressing device (5) and stop block (6) are further fixed on lever arm (2), the pressing device (5) and stop block (6) are respectively
Both ends in sleeper (4) are set, and pressing device (5) is compressed from one end of sleeper (4), so that the other end of sleeper (4) tightly supports
Against stop block (6).
2. a kind of coal fired power plant blower as described in claim 1 reverses brake apparatus, it is characterised in that: the pressing device
It (5) include bracket (8), lead screw (9), nut one (10), nut two (11), lead screw protective case sleeve (12) and ambulatory splint
(13)；The bracket (8) is fixed on lever arm (2), and the lead screw protective case sleeve (12) is fixed on bracket (8), lead screw
Nut two (11) is fixed in protective case sleeve (12), the lead screw (9) passes through nut two (11) and rotates with nut two (11)
The both ends of cooperation, lead screw (9) are stretched out from lead screw protective case sleeve (12), and the nut one (10) is fixedly mounted on lead screw (9)
One end, the ambulatory splint (13) is movably arranged on the other end of lead screw (9), passes through rotating nut one (10) and drives lead screw
(9) mobile, so that ambulatory splint (13) is promoted towards the direction of sleeper (4).
3. a kind of coal fired power plant blower as claimed in claim 2 reverses brake apparatus, it is characterised in that: the lead screw (9)
End is fixed with ball (14), is offered in ambulatory splint (13) spherical groove (15), and the ball (14) is movably mounted to
In spherical groove (15), wherein ball (14) will not roll out when rolling in spherical groove (15) from spherical groove (15).
4. a kind of coal fired power plant blower as described in claim 1 reverses brake apparatus, it is characterised in that: the pedestal (1) and
Lever arm (2) is welded using channel steel.
5. a kind of coal fired power plant blower as described in claim 1 reverses brake apparatus, it is characterised in that: the stop block (6)
It is made of steel, stop block (6) is welded on lever arm (2).
6. a kind of coal fired power plant blower as claimed in claim 3 reverses brake apparatus, it is characterised in that: the ambulatory splint
(13) it is made of steel, ball (14) is welded on the end of lead screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920214852.9U CN209586997U (en) | 2019-02-20 | 2019-02-20 | A kind of coal fired power plant blower reversing brake apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920214852.9U CN209586997U (en) | 2019-02-20 | 2019-02-20 | A kind of coal fired power plant blower reversing brake apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209586997U true CN209586997U (en) | 2019-11-05 |
Family
ID=68355811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920214852.9U Active CN209586997U (en) | 2019-02-20 | 2019-02-20 | A kind of coal fired power plant blower reversing brake apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209586997U (en) |
-
2019
- 2019-02-20 CN CN201920214852.9U patent/CN209586997U/en active Active
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