CN207834859U - A kind of electrical cabinet for the set speed adjustment system reform - Google Patents
A kind of electrical cabinet for the set speed adjustment system reform Download PDFInfo
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- CN207834859U CN207834859U CN201820230507.XU CN201820230507U CN207834859U CN 207834859 U CN207834859 U CN 207834859U CN 201820230507 U CN201820230507 U CN 201820230507U CN 207834859 U CN207834859 U CN 207834859U
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- cabinet
- electrical cabinet
- adjustment system
- speed adjustment
- set speed
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Abstract
The utility model is related to boiler controller system speed adjusting techniques in a kind of steam power plant, disclose a kind of electrical cabinet for the set speed adjustment system reform, solve the problems, such as that existing electrical cabinet movement is inconvenient, a kind of electrical cabinet for the set speed adjustment system reform includes cabinet, the cabinet lower end is provided with several idler wheels and the lifting gear of opposite cabinet lifting, it is abutted with ground in the lifting gear lifting process, idler wheel is driven to be suspended on ground, or lifting gear is suspended on ground, idler wheel is contradicted with ground, has the advantages that drive electrical cabinet displacement convenient for staff.
Description
Technical field
The utility model is related to boiler controller system speed adjusting techniques in a kind of steam power plant, more particularly to a kind of to be used for set speed adjustment system
The electrical cabinet of system transformation.
Background technology
Steam turbine is also referred to as steam turbine engine, is a kind of rotary steam power plant, and high temperature and high pressure steam passes through solid
Nozzle is determined as being ejected on blade after the air-flow accelerated, makes the rotor rotation equipped with blade row, while external work done.Steam turbine
It is the capital equipment of modern thermal power plant, is also used in metallurgical industry, chemical industry, ship's powerplant.
T Steam Turbine 6630 (NG50/40/25) is manufactured by Hangzhou Steam Turbine Co., Ltd., which is adjusted
System is mainly made of adjuster PDO1000EOMO-2, amplifier, servomotor and servo valve, the startup adjuster used
Working service is inconvenient, adjusts oil pipe line and is made of multiple-tubing string, and mounting arrangements are not beautiful enough, and oil pipe line arrangement is not concentrated,
There is oil leakage phenomenon, hidden trouble is caused to safe operation.
To solve the above problems, our company transformation is as follows：In the position of former starter, installation is newly-increased accelerates to close control device,
The Hydraulic Elements of each dispersion are become one, pass through interior piping connection, newly-increased shutdown solenoid valve, hand between each Hydraulic Elements
Dynamic shutdown valve, trigger valve close valve, hand-operated direction valve, orifice valve and electro-control converter on the control device of speed pass, can be real
Existing manual emergency is shut down and electronic dual redundant is shut down, and quick-closing valve opens and closes automatically, quick-closing valve online actions are tested, critical guarantor
The functions such as automatic coupling are set in installation, are reduced oil pipe line, are conveniently operated maintenance, are increased the advantages that system reliability.
Wherein, part compact electric apparatus element concentrated setting is in electrical cabinet in being stored, what electric elements were protected in enhancing
Meanwhile convenient for being dismounted to electric elements.
It is more that the Chinese patent that Authorization Notice No. is CN205092428U, the applying date is on October 23rd, 2015 discloses one kind
The both sides of function electrical cabinet, including electrical cabinet ontology, the electrical cabinet ontology are respectively kept with first through hole and the second through-hole, described
First through hole and the outside top of the second through-hole are equipped with protective cover, and the front top of the electrical cabinet ontology is welded with protection
The inside upper part of eaves, the electrical cabinet ontology is equipped with headlamp, and the side of the electrical cabinet ontology is equipped with Hot-air fan, described
The inside of electrical cabinet ontology is also equipped with temperature sensor, humidity sensor, controller and control button.The Multifunctional electric cabinet
It can prevent rainwater and dust from entering electrical cabinet ontology, while also assure the result of ventilating heat dissipation of electrical cabinet ontology, it can be according to electricity
The work of the actual temperature and Humidity Automatic Control Hot-air fan of gas holder ontology, improves the working efficiency of electrical cabinet, reduces peace
Full hidden danger.
It is in place of the deficiencies in the prior art, when electrical cabinet needs to be moved, needs to use special lifting work
Tool is moved, even if as long as several meters mobile of distance is remote, construction personnel wants manually or moves it using simple tool
All it is unusual difficult, causes work inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of electrical cabinet for the set speed adjustment system reform, has and is convenient for work people
The advantages of member's driving electrical cabinet displacement.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of electrical cabinet for the set speed adjustment system reform, including cabinet, the cabinet lower end are provided with several idler wheels
And the lifting gear of opposite cabinet lifting, it is abutted with ground in the lifting gear lifting process, idler wheel is driven to be suspended on ground
Face or lifting gear are suspended on ground, and idler wheel is contradicted with ground.
Using the above structure, by the way that idler wheel is arranged below cabinet, make its staff that can be convenient for pushing electrical cabinet walking,
Its working efficiency can be effectively improved；And then the lifting gear by being set to cabinet lower end supports in lifting process with ground
It connects and idler wheel is suspended on ground, be positioned over what electrical cabinet was stablized on ground, while keeping its cabinet lower end and ground hanging, it can
It reduces ground moisture to enter in electrical cabinet, plays certain dampproof effect.
Further preferably：The lifting gear includes several support elements for being inserted in cabinet lower end vertically, the cabinet
Lower end is provided with driving device of the driving support member with respect to the oscilaltion of cabinet lower end.
Using the above structure, several support element upper and lower displacements are driven by driving device, realizes that electrical cabinet regulation is positioned over
Ground or idler wheel ground contradict, and walking is pushed convenient for staff.
Further preferably：The support element includes threaded rod, and the driving device includes being rotationally connected with cabinet lower end
And the actuator for the driving wheel and driving driving wheel rotation being threadedly coupled with threaded rod, the cabinet lower end is provided with limit spiral shell
The locating part of rasp bar rotation.
Using the above structure, driving wheel rotation is driven by actuator, is acted in the screw-thread fit of driving wheel and threaded rod
Under power and locating part is under threaded rod circumferential direction position-limiting action, driving threaded rod with respect to cabinet oscilaltion campaign.
Further preferably：The actuator be set as with driving wheel concentric fixed worm gear, the snail that is engaged with worm gear
Bar and the driving handwheel of driving worm screw rotation.
Using the above structure, by driving handwheel to drive worm screw rotation, under worm gear and the meshing relation of worm screw, drive snail
Wheel rotation is realized to realize the rotation work for driving driving wheel, while under the spacing relation of worm gear and worm screw to driving wheel
Limit.
Further preferably：Realize that it interlocks work, the driving by being driven band connection between several driving wheels
Part is provided only with one group, driving driving wheel rotation.
Using the above structure, all driving wheels are connected by transmission belt and realizes that it interlocks work, it is made only to need one
All driving wheel rotations can be realized in group actuator, are operated convenient for staff.
Further preferably：The cabinet lower end and threaded rod are concentric to be fixed with a spacing ring one, is arranged outside spacing ring one
Restraining position ring block two, forms limiting slot between spacing ring one and spacing ring two, the driving wheel is towards setting on one end of spacing ring one
It is equipped with limited post, described limited post one end is plugged in limiting slot and is only capable of circumferentially rotating along limiting slot.
Using the above structure, the limit being plugged in by the limited post of driving wheel lower end between spacing ring one and spacing ring two
Slot inner circumferential rotates, and realizes that driving wheel circumferentially rotates work with respect to cabinet.
Further preferably：The spacing ring two includes two symmetrically arranged semicircular rings, and two halves annulus passes through fastening respectively
Bolt connect with cabinet lower end and forms complete spacing ring two.
Using the above structure, by being made of the spacing ring two of completion two halves annulus, and semicircle is realized by fastening bolt
Ring is detachably connected, and is convenient for its dismounting to driving wheel.
Further preferably：The locating part includes being opened in threaded rod outer wall and cunning that threadingly pole length direction opens up
Dynamic slot is fixed on cabinet and is plugged in the inserted block that limitation threaded rod in sliding groove is only capable of upper and lower displacement.
Using the above structure, it is plugged in sliding groove by inserted block, position-limiting action is played to threaded rod with sliding groove cooperation,
Its threaded rod is set to be only capable of upper and lower displacement.
Further preferably：The sliding groove upper and lower ends closing.
Using the above structure, by closing sliding groove both ends, make its threaded rod during upper and lower displacement, generated with inserted block
Withstanding effect prevents threaded rod from completely disengaging out cabinet.
In conclusion the utility model has the advantages that：The idler wheel and lifting dress being arranged by cabinet lower end
It sets, makes it that can push electrical cabinet to walk or be positioned over what electrical cabinet was stablized on ground according to demand convenient for staff, reach
To the effect for improving working efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment one, shows overall structure；
Fig. 2 is the enlarged diagram at A in Fig. 1, shows driving device and the connection structure of driving wheel；
Fig. 3 is the partial structural diagram of lifting gear in Fig. 1.
In figure, 1, cabinet；2, idler wheel；3, support element；31, threaded rod；32, plate is abutted；4, driving device；41, driving wheel；
42, worm gear；43, worm screw；44, handwheel is driven；5, locating part；51, inserted block；52, sliding groove；6, spacing ring one；7, spacing ring two；
71, semicircular ring；8, limiting slot；9, limited post；10, fastening bolt；11, transmission belt；12, mounting base.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
A kind of electrical cabinet for the set speed adjustment system reform, as illustrated in fig. 1 and 2, including cabinet 1,1 lower end of cabinet four
Angle is respectively fixed with an idler wheel 2, and 1 lower end of cabinet is additionally provided with lifting gear, and lifting gear abuts in lifting process with ground
Or it is hanging, it drives idler wheel 2 to be suspended on ground and contradicts be positioned over ground or the idler wheel 2 that electrical cabinet is stablized with ground, work can be made
Making personnel easily pushes electrical cabinet to walk.
Above-mentioned lifting gear includes several support elements 3 and driving device 4；In the present embodiment, support element 3 is provided with four
It is a to be located at 2 side of idler wheel, by 4 driving support member of driving device, 31 upper and lower displacement of opposite cabinet, realize the steady of electrical cabinet
Dingan County fills or idler wheel 2 is contradicted with ground, pushes electrical cabinet to walk convenient for staff.
With reference to Fig. 2 and 3, above-mentioned support element 3 includes threaded rod 31 and abuts plate 32, abuts plate 32 and 31 direction of threaded rod
The one end on ground is fixed, and 1 lower end of cabinet corresponds to threaded rod 31 and opens up four through-holes for 31 upper and lower displacement of threaded rod, is set in through-hole
It is equipped with the locating part 5 that limitation threaded rod 31 circumferentially rotates；Above-mentioned driving device 4 includes driving wheel 41 and actuator, driving wheel 41
It is threadedly coupled respectively with threaded rod 31 there are four being arranged and opposite 1 lower end of cabinet is rotatablely connected, driving wheel is driven by actuator
41 rotations, to drive threaded rod 31 with respect to 1 lower end upper and lower displacement of cabinet.
In the present embodiment, locating part 5 includes being fixed on the inserted block 51 of through-hole wall and being opened on 31 outer wall of threaded rod
Sliding groove 52, threadingly 31 length direction of bar opens up sliding groove 52, and inserted block 51 is plugged in sliding groove 52 and both sides and sliding
52 both sides of slot abut, and limitation threaded rod 31 circumferentially rotates；In the present embodiment, the opening of 31 upper and lower ends sliding groove 52 of threaded rod
Closing.
Referring to Fig.1 with 2, in the present embodiment, its gearing is realized around rolling by transmission belt 11 between four driving wheels 41
Work.
Above-mentioned actuator includes that worm gear 42, worm screw 43 and driving handwheel 44, worm gear 42 are provided only with one, worm gear 42 with
41 concentric of one driving wheel is fixed, and 1 lower end of cabinet is fixed with mounting base 12, and 43 both ends of worm screw are rotationally connected in mounting base 12
And engaged with worm gear 42,43 one end of worm screw is fixed with driving handwheel 44, drives worm screw 43 to rotate convenient for staff.
With reference to Fig. 2 and 3,1 lower end of above-mentioned cabinet corresponds to threaded rod 31 and corresponds to fixed restraining position ring block 1, spacing ring 1 and spiral shell
31 concentric setting of rasp bar, spacing ring 1 are arranged with spacing ring 27 outside, and spacing ring 27 is closed up by two halves annulus 71 to be formed, and half
Arc groove is offered on 71 inner wall of annulus, makes to form limiting slot 8, above-mentioned driving wheel 41 between its spacing ring 1 and spacing ring 27
Several limited posts 9 are uniformly circumferentially fixed with along driving wheel 41 towards spacing ring 1,9 one end of limited post is plugged in limiting slot 8
Along 8 circumferential movement of limiting slot；In the present embodiment, the T-shaped setting in 9 section of limited post, 8 L-shaped setting of limiting slot makes its limited post
9 are only capable of along 8 circumferential movement of limiting slot.
In the present embodiment, semicircular ring 71 is fixed on 1 lower end of cabinet by several fastening bolts 10.
Operation principle：When needing to push electrical cabinet walking, by driving handwheel 44 that worm screw 43 is driven to rotate, then drive
Worm gear 42 and driving wheel 41 rotate, under the threaded connection active force of driving wheel 41 and threaded rod 31 and inserted block 51 with it is sliding
Under the matching relationship of dynamic slot 52, the displacement upward of threaded rod 31 is driven, its idler wheel 2 is made to be contradicted with ground, is pushed convenient for staff
Electrical cabinet is walked；When needing electrical cabinet being positioned over original place, by driving handwheel 44 that worm screw 43 is driven to invert, threaded rod is driven
31 are suspended on ground towards bottom offset, by idler wheel 2, abut plate 32 and are supported in ground, to which electrical cabinet is limited in original place.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as within the protection scope of the present utility model all protected by Patent Law.
Claims (9)
1. a kind of electrical cabinet for the set speed adjustment system reform, including cabinet (1), it is characterized in that：Cabinet (1) lower end is set
It is equipped with several idler wheels (2) and the lifting gear of opposite cabinet (1) lifting, is supported with ground in the lifting gear lifting process
It connects, drives that idler wheel (2) is suspended on ground or lifting gear is suspended on ground, idler wheel (2) is contradicted with ground.
2. a kind of electrical cabinet for the set speed adjustment system reform according to claim 1, it is characterized in that：The lifting dress
Several support elements (3) including being inserted in cabinet (1) lower end vertically are set, cabinet (1) lower end is provided with driving support member (3)
The driving device (4) of opposite cabinet (1) lower end oscilaltion.
3. a kind of electrical cabinet for the set speed adjustment system reform according to claim 2, it is characterized in that：The support element
(3) include threaded rod (31), the driving device (4) include be rotationally connected with cabinet (1) lower end and with threaded rod (31) screw thread
The driving wheel (41) of connection and the actuator for driving driving wheel (41) rotation, cabinet (1) lower end is provided with limit screw thread
The locating part (5) of bar (31) rotation.
4. a kind of electrical cabinet for the set speed adjustment system reform according to claim 3, it is characterized in that：The actuator
It is set as and the fixed worm gear of driving wheel (41) concentric (42), the worm screw (43) engaged with worm gear (42) and driving worm screw
(43) the driving handwheel (44) rotated.
5. a kind of electrical cabinet for the set speed adjustment system reform according to claim 4, it is characterized in that：Several biographies
Realize that it interlocks work by transmission belt (11) connection between driving wheel (41), the actuator is provided only with one group, driving transmission
Take turns (41) rotation.
6. a kind of electrical cabinet for the set speed adjustment system reform according to claim 3, it is characterized in that：The cabinet
(1) lower end and threaded rod (31) are concentric is fixed with a spacing ring one (6), is arranged with spacing ring two (7) outside spacing ring one (6), limits
Formation limiting slot (8) between position ring one (6) and spacing ring two (7), the driving wheel (41) is towards on one end of spacing ring one (6)
It is provided with limited post (9), described limited post (9) one end is plugged in limiting slot (8) and is only capable of circumferentially rotating along limiting slot (8).
7. a kind of electrical cabinet for the set speed adjustment system reform according to claim 6, it is characterized in that：The spacing ring
Two (7) include two symmetrically arranged semicircular rings (71), and two halves annulus (71) passes through fastening bolt (10) and cabinet (1) lower end respectively
It connects and forms complete spacing ring two (7).
8. a kind of electrical cabinet for the set speed adjustment system reform according to claim 3, it is characterized in that：The locating part
(5) including the sliding groove (52) for being opened in threaded rod (31) outer wall and threadingly bar (31) length direction opens up, it is fixed on cabinet
(1) on and it is plugged in the inserted block (51) that limitation threaded rod (31) in sliding groove (52) is only capable of upper and lower displacement.
9. a kind of electrical cabinet for the set speed adjustment system reform according to claim 8, it is characterized in that：The sliding groove
(52) upper and lower ends are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230507.XU CN207834859U (en) | 2018-02-08 | 2018-02-08 | A kind of electrical cabinet for the set speed adjustment system reform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230507.XU CN207834859U (en) | 2018-02-08 | 2018-02-08 | A kind of electrical cabinet for the set speed adjustment system reform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834859U true CN207834859U (en) | 2018-09-07 |
Family
ID=63397681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820230507.XU Active CN207834859U (en) | 2018-02-08 | 2018-02-08 | A kind of electrical cabinet for the set speed adjustment system reform |
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| Country | Link |
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| CN (1) | CN207834859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473890A (en) * | 2018-11-27 | 2019-03-15 | 大庆市华禹石油机械制造有限公司 | A kind of oil-gas gathering and transportation control system frequency conversion tank |
-
2018
- 2018-02-08 CN CN201820230507.XU patent/CN207834859U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473890A (en) * | 2018-11-27 | 2019-03-15 | 大庆市华禹石油机械制造有限公司 | A kind of oil-gas gathering and transportation control system frequency conversion tank |
| CN109473890B (en) * | 2018-11-27 | 2019-08-23 | 大庆市华禹石油机械制造有限公司 | A kind of oil-gas gathering and transportation control system frequency conversion tank |
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