CN202718808U - Positive hexagonal wind energy pitch control cabinet body - Google Patents
Positive hexagonal wind energy pitch control cabinet body Download PDFInfo
- Publication number
- CN202718808U CN202718808U CN2012202038048U CN201220203804U CN202718808U CN 202718808 U CN202718808 U CN 202718808U CN 2012202038048 U CN2012202038048 U CN 2012202038048U CN 201220203804 U CN201220203804 U CN 201220203804U CN 202718808 U CN202718808 U CN 202718808U
- Authority
- CN
- China
- Prior art keywords
- door
- cabinet
- welding
- lock
- welded
- 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
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Hinges (AREA)
Abstract
The utility model provides a positive hexagonal wind energy pitch control cabinet body. The cabinet body comprises three singe abnormal axial symmetric cabinets; each single abnormal axial symmetric cabinet body comprises a welded cabinet body, a welded door body, a blind hinge, a wing-shaped round lock, a ground lead, a seal tap, a self-lock door hasp and a reinforced support piece; an abnormal bottom plate, a multilateral side plate, a ground stud, a mounting support pipe and a support plate are welded into an integral welded cabinet body as required design; an abnormal door, a guide rail mounting stud, a door padlock plate, a secondary trunking mounting stud and a ground stud are welded into an integral welded door body as required design; the wing-shaped round door lock is fastened on the welded door body through pressure nuts; the self-lock door hasp is vertically fixed on the upper side of the welded cabinet body through bolts; the welded door body is rotatably connected with the welded cabinet body through the blind hinge; and the two ends of the ground lead are respectively connected with the welded door body and the welded cabinet body through fastening pieces.
Description
Technical field
The utility model relates to a kind of positive hexagonal prism wind energy pitch control cabinet cabinet, particularly a kind of change oar (wheel hub) control apparatus cabinet that drives generating frequency conversion intelligent control system for the 2MW wind power direct belongs to the technical field that the 2MW wind power direct drives the hardware of generating frequency conversion intelligent control system.
Background technique
Wheel hub and blade form pitch-controlled system, are one of capital equipments of wind power generating set, and becoming the oar control apparatus is the key equipment that wind power direct drives generating frequency conversion intelligent control system, be installed in the top of wind-powered electricity generation unit, difficult in maintenance, mechanical property requires high, and safety in operation requires high.The design of this change oar control apparatus adopts the positive hexagonal prism of combined type all to carry form, finish installation after, make circular movement with wheel hub, blade and main shaft, easy to maintenance, safety is extremely important; The components and parts layout should be reasonable, uniform in each single cabinet, guarantees the center superposition of center of gravity and hexagonal prism.This hexagonal prism structure is assembled by three single cabinet combinations of abnormity, be in the stochastic and dynamic working environment, cabinet rigidity, anti-seismic performance, cabinet sealability, door lock and snap close form are directly connected to the convenience of operational reliability, Security and the maintenance of pitch control cabinet.
Positive hexagonal prism wind energy pitch control cabinet cabinet is the key carrier that becomes the oar control apparatus.At present, general pitch control cabinet is common cuboid three single cabinet combination structures, mainly contains four aspects not enough: one, cuboid assembled cabinet center of gravity is disperseed, and element quality is difficult to uniform, the fatigue ruption of aggravation wheel hub main shaft; Two, cabinet is without the waterproofing design of the outer flanging of acute angle, and security level is poor, affects the security of operation of equipment; Three, cabinet and door are provided with door lock, without the hasp design, or are hard hasp, without self-locking design, pitch control cabinet dynamic operation poor reliability; Four, general cuboid is a kind of is that the section bar shrouding is assembled the cabinet type, and integral rigidity is poor, and another kind is welding type, integral rigidity still can, but cabinet is strengthened design without emphasis, and local stiffness is not enough, the high quality battery pack when work operation rotation status, the cabinet part is yielding.
Summary of the invention
1, technical problem to be solved:
Provide a kind of positive hexagonal prism wind energy pitch control cabinet cabinet, this wind energy pitch control cabinet cabinet, positive hexagonal prism symmetrical configuration, load is uniform, center of gravity concentrates on the rotating center of pitch-controlled system, and fatigue resistance is good, and the waterproofing design security level is high, the equipment security of operation, the self-locking type door lock tightly designs, equipment is reliable, and the welding cabinet body structure is simple, with low cost, and keypoint part is strengthened design, the cabinet mechanical property is high, and the equipment anti-seismic performance is good.
2, technological scheme:
A kind of positive hexagonal prism wind energy pitch control cabinet cabinet of the utility model, comprise 3 single special-shaped axis to symmetrical cabinet, described single special-shaped axis comprises welding cabinet, welding door body, blind hinge, aerofoil profile round end door lock, earth lead, sealing joint strip, self-locking door hasp, strengthens a part to symmetrical cabinet; Described welding cabinet comprises special-shaped base plate, polygon side plate, grounding screw, installation stay tube, dunnage, acute angle waterproof flanging, door shelves right angle flanging; Described welding door body comprises special-shaped door, guide rails assembling double-screw bolt, knocker jam plate, secondary wire slot installation double-screw bolt, grounding screw; Described blind hinge comprises hinge pedestal, hinge solid of rotation, opening latch, locking fastening screw trip bolt; Described aerofoil profile round end door lock comprises lock tube, lock core, dead bolt, pressure and nut, fastening screw trip bolt; Described self-locking door hasp comprises that door takes fixing body, button, rotation lock pin, spring, lock pin rotating shaft, button rotating shaft.Described special-shaped base plate, polygon plate-side plate welding become special-shaped cabinet body, and part is propped up in described reinforcement, grounding screw is welded on the cabinet side plate, stay tube is installed is welded on the cabinet base plate, and dunnage is welded in the shelves right angle flanging; Described knocker jam plate balanced welding is at described special-shaped door outward edge, and described guide rails assembling double-screw bolt, secondary wire slot are installed double-screw bolt, grounding screw is welded into one with special-shaped door, and described sealing joint strip is along the special-shaped door sideline, evenly stick in the welding body.
Described hinge bodies is with locking fastening screw trip bolt and tightly on the cabinet body door shelves, and described welding door body, hinge solid of rotation are connected with hinge bodies by the opening latch, and Drop-proof is out of shape in cotter pin; Also fastening nuts is on welding door body by pressing for described aerofoil profile round end door lock lock tube, and described lock core passes lock tube, and described dead bolt is by fastening screw trip bolt and tightly on lock core; Described earth lead one end links to each other with welding door body grounding screw by fastening piece, and the described earth lead the other end links to each other with welding cabinet grounding screw by fastening piece; The door of described self-locking door hasp is taken fixing body and is vertically fixed on welding cabinet top by bolt, the button of described self-locking door hasp is taken fixing body by the button rotating shaft with door and is rotatably connected, described rotation lock pin is connected with button rotation by lock pin rotating shaft, and described spring is connected with lock pin rotating shaft and button rotating shaft hook respectively.
3 described single special-shaped axis form by bolt and lock nut bolt by circumference 360 directions to symmetrical cabinet, are combined into to overlook to be orthohexagonal described positive hexagonal prism pitch control cabinet cabinet.
When door was closed, described welding door body rotated by blind hinge, presses mutually with the acute angle waterproof flanging outer of described welding cabinet, the lock core of pitching airfoil round end door lock, described dead bolt moves with lock core, and is pressed on the door shelves right angle flanging of described welding cabinet, and door is lockable; Lift the button of described self-locking door hasp, described rotation lock pin fastens the knocker jam plate at described welding door body edge, presses the button, and in the arc hook of knocker jam plate, door is by locked at rotation lock pin auto lock under the effect of spring; At this moment, welding door body firmly is pressed on the acute angle waterproof flanging outer of welding cabinet by sealing joint strip, and therefore, water-proof performance is good, and security level is high.
3, beneficial effect:
The utility model is the positive hexagonal prism structure of three cabinet combinations, symmetrical configuration, and center of gravity overlaps with geometrical center, is easy to load uniform, and the antifatigue damage capability is strong; The utility model is used the design of acute angle waterproof flanging, and by the sealing joint strip pressure sealing, the water proof and dust proof performance is good between the door cabinet, improves the dynamic operation Security of equipment; The utility model adopts self-locking door hasp, and chain reliable between door, the cabinet improved equipment dynamic operation reliability; In addition, the utility model is comprised of several component, therefore, and simple in structure, device convenience and with low cost.
Description of drawings
Fig. 1 is the utility model---the structural front view of special-shaped single cabinet
Fig. 2 is the utility model---the structure plan view of special-shaped single cabinet
Fig. 3 is door lock closed state schematic diagram of the present utility model
Fig. 4 is door hinge assembling schematic diagram of the present utility model
Fig. 4 is the utility model---self-locking hasp closed state schematic diagram
Fig. 6 is the utility model---the plan view of the positive hexagonal prism of three cabinet combinations
Fig. 7 is the utility model---the orthohexagonal plan view of three cabinet combinations
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in the figure, in order to solve the problems of the technologies described above, a kind of positive hexagonal prism wind energy pitch control cabinet cabinet of the utility model, comprise 3 single special-shaped axis to symmetrical cabinet, described single special-shaped axis comprises welding cabinet 2, welding door body 1, blind hinge 3, aerofoil profile round end door lock 4, earth lead 5, sealing joint strip 6, self-locking door hasp 7, strengthens a part 8 to symmetrical cabinet; Described welding cabinet 2 comprises special-shaped base plate 2.1, polygon side plate 2.2, grounding screw 2.3, installation stay tube 2.4, dunnage 2.5, acute angle waterproof flanging 2.6, door shelves right angle flanging 2.7; Described welding door body 1 comprises special-shaped door 1.1, guide rails assembling double-screw bolt 1.2, knocker jam plate 1.3, secondary wire slot installation double-screw bolt 1.4, grounding screw 1.5; Described blind hinge 3 comprises hinge pedestal 3.1, hinge solid of rotation 3.3, opening latch 3.2, fastening screw trip bolt 3.4; Described aerofoil profile round end door lock 4 comprises lock tube 4.2, lock core 4.5, dead bolt 4.4, presses also nut 4.1, fastening screw trip bolt 4.3; Described self-locking door hasp 7 comprises that door takes fixing body 7.5, button 7.6, rotation lock pin 7.1, spring 7.3, lock pin rotating shaft 7.2, button rotating shaft 7.4.Described special-shaped base plate 2.1, polygon side plate 2.2 are welded into special-shaped cabinet body 2, and part 8 is propped up in described reinforcement, grounding screw 2.3 is welded on the cabinet side plate 2.2, stay tube 2.4 is installed is welded on the special-shaped base plate 2.1, and dunnage 2.5 is welded in the shelves right angle flanging 2.7; Described knocker jam plate 1.3 balanced weldings are at described special-shaped door 1.1 outward edges, described guide rails assembling double-screw bolt 1.2, secondary wire slot are installed double-screw bolt 1.4, grounding screw 1.5 is welded into one with special-shaped door 1.1, and described sealing joint strip 6 is along 1.1 edges of special-shaped door, evenly stick in the welding door body 1.
The locking fastening screw trip bolt of described hinge bodies 3.1 usefulness 3.4 and tightly on cabinet body door shelves 2.7, described welding door body 1, hinge solid of rotation 3.3 are rotatably connected with hinge bodies 3.1 by opening latch 3.2, and opening latch 3.2 is out of shape Drop-proof; Nut 4.1 is fastened on the welding door body 1 lock tube 4.2 of described aerofoil profile round end door lock 4 by pressing also, and described lock core 4.5 passes lock tube 4.2, and described dead bolt 4.4 is by fastening screw trip bolt 4.3 and tightly on lock core 4.5; One end of described earth lead 5 links to each other by the grounding screw 1.5 of fastening piece with welding door body 1, and the other end of described earth lead 5 links to each other by the grounding screw 2.3 of fastening piece with welding cabinet 2; The door of described self-locking door hasp 7 is taken fixing body 7.5 is vertically fixed on welding cabinet 1 by bolt top, the button 7.6 of described self-locking door hasp 7 is taken fixing body 7.5 by button rotating shaft 7.4 with door and is rotatably connected, described rotation lock pin 7.1 is rotatably connected with button 7.6 by lock pin rotating shaft 7.2, and described spring 7.3 is connected with lock pin rotating shaft 7.1 and button rotating shaft 7.4 hooks respectively.
3 described single special-shaped axis are pressed circumference 360 directions to symmetrical cabinet, form by bolt 9 and lock nut 10 bolts, are combined into to overlook to be orthohexagonal described a kind of positive hexagonal prism pitch control cabinet cabinet.
Above-mentioned a kind of positive hexagonal prism wind energy pitch control cabinet cabinet, when door 1 closure, described welding door body 1 rotates by blind hinge 3, press mutually with the outer of the acute angle waterproof flanging 2.6 of described welding cabinet 2, the lock core 4.5 of pitching airfoil round end door lock 4, described dead bolt 4.4 moves with lock core 4.5, and is pressed on the door shelves right angle flanging 2.7 of described welding cabinet 2, and door 1 is lockable; Lift the button 7.6 of described self-locking door hasp 7, described rotation lock pin 7.1 fastens the knocker jam plate 1.3 at described welding door body 1 edge, press the button 7.6, in the arc hook of knocker jam plate 1.3, door 1 is by locked at rotation lock pin 7.1 auto locks under the effect of spring 7.3; At this moment, welding door body 1 firmly is pressed on the outer of the acute angle waterproof flanging 2.6 that welds cabinet 2 by sealing joint strip 6, and therefore, water-proof performance is good, and security level is high.
Convenient in order to use, described a kind of positive hexagonal prism wind energy pitch control cabinet cabinet, when opening door operation, lift first the button 7.6 of described self-locking door hasp 7 with hand, described rotation lock pin 7.1 is thrown off 7 releases of self-locking door hasp from the arc hook of the knocker jam plate 1.3 at described welding door body 1 edge; Then the lock core 4.5 of pitching airfoil round end door lock 4, described dead bolt 4.4 leave the door shelves right angle flanging 2.7 of described welding cabinet 2 with lock core 4.5 motions, and door 1 is unlocked; Therefore, easy to use, handling safety has improved chain reliability, the Security of pitch control cabinet door cabinet.
Working principle of the present utility model:
With special-shaped base plate 2.1, polygon side plate 2.2, grounding screw 2.3, stay tube 2.4, dunnage 2.5 are installed by the welding cabinet 2 of being welded into one of designing requirement; Special-shaped door 1.1, guide rails assembling double-screw bolt 1.2, knocker jam plate 1.3, secondary wire slot are installed double-screw bolt 1.4, grounding screw 1.5 by the welding door body 1 of being welded into one of designing requirement; Nut 4.1 is fastened on the welding door body 1 by pressing also with aerofoil profile round end door lock 4, and with the top that bolt is vertically fixed on welding cabinet 1 of passing through of self-locking door hasp 7, a welding body 1 is rotatably connected with welding cabinet 2 by blind hinge 3; Link to each other with welding door body 1 and welding cabinet 2 respectively by the two ends of fastening piece with earth lead 5; Said structure forms single special-shaped axis to symmetrical cabinet.
3 described single special-shaped axis are pressed circumference 360 directions to symmetrical cabinet, form by bolt 9 and lock nut 10 bolts, are combined into to overlook to be orthohexagonal described a kind of positive hexagonal prism pitch control cabinet cabinet
When door 1 closure, described welding door body 1 rotates by blind hinge 3, press mutually with the outer of the acute angle waterproof flanging 2.6 of described welding cabinet 2, the lock core 4.5 of pitching airfoil round end door lock 4, described dead bolt 4.4 is with lock core 4.5 motions, and be pressed on the door shelves right angle flanging 2.7 of described welding cabinet 2, door 1 is lockable; Lift the button 7.6 of described self-locking door hasp 7, described rotation lock pin 7.1 fastens the knocker jam plate 1.3 at described welding door body 1 edge, press the button 7.6, in the arc hook of knocker jam plate 1.3, door 1 is by locked at rotation lock pin 7.1 auto locks under the effect of spring 7.3; At this moment, welding door body 1 firmly is pressed on the outer of the acute angle waterproof flanging 2.6 that welds cabinet 2 by sealing joint strip 6, and therefore, water-proof performance is good, and security level is high.
When opening door operation, lift first the button 7.6 of described self-locking door hasp 7 with hand, described rotation lock pin 7.1 separates 7 releases of self-locking door hasp from the arc hook of the knocker jam plate 1.3 at described welding door body 1 edge; Then the lock core 4.5 of pitching airfoil round end door lock 4, described dead bolt 4.4 leave the door shelves right angle flanging 2.7 of described welding cabinet 2 with lock core 4.5 motions, and door 1 is unlocked; Therefore, chain reversible, easy to use, handling safety has improved chain reliability, the Security of pitch control cabinet door cabinet.
In sum, the utility model is the positive hexagonal prism structure of three cabinet combinations, symmetrical configuration, and center of gravity overlaps with geometrical center, is easy to load uniform, and the antifatigue damage capability is strong; The utility model is used the design of acute angle waterproof flanging, and by the sealing joint strip pressure sealing, the water proof and dust proof performance is good between the door cabinet, improves the dynamic operation Security of equipment; The utility model adopts self-locking door hasp, and chain reliable between door, the cabinet improved equipment dynamic operation reliability; In addition, the utility model is comprised of several component, therefore, and simple in structure, device convenience and with low cost.
The utility model is not limited to above-mentioned enforcement, and all employings are equal to replaces formed technological scheme, all drops in the protection domain of the present utility model.
Claims (3)
1. positive hexagonal prism wind energy pitch control cabinet cabinet, it is characterized in that, a kind of positive hexagonal prism wind energy pitch control cabinet cabinet of the utility model, comprise 3 single special-shaped axis to symmetrical cabinet, described single special-shaped axis comprises welding cabinet, welding door body, blind hinge, aerofoil profile round end door lock, earth lead, sealing joint strip, self-locking door hasp, strengthens a part to symmetrical cabinet; Described welding cabinet comprises special-shaped base plate, polygon side plate, grounding screw, installation stay tube, dunnage, acute angle waterproof flanging, door shelves right angle flanging; Described welding door body comprises special-shaped door, guide rails assembling double-screw bolt, knocker jam plate, secondary wire slot installation double-screw bolt, grounding screw; Described blind hinge comprises hinge pedestal, hinge solid of rotation, opening latch, locking fastening screw trip bolt; Described aerofoil profile round end door lock comprises lock tube, lock core, dead bolt, pressure and nut, fastening screw trip bolt; Described self-locking door hasp comprises that door takes fixing body, button, rotation lock pin, spring, lock pin rotating shaft, button rotating shaft, described special-shaped base plate, polygon plate-side plate welding become special-shaped cabinet body, part is propped up in described reinforcement, grounding screw is welded on the cabinet side plate, stay tube is installed is welded on the cabinet base plate, dunnage is welded in the shelves right angle flanging; Described knocker jam plate balanced welding is at described special-shaped door outward edge, and described guide rails assembling double-screw bolt, secondary wire slot are installed double-screw bolt, grounding screw is welded into one with special-shaped door, and described sealing joint strip is along the door edge of special-shaped door, evenly stick in the welding body,
Described hinge bodies is with fastening screw trip bolt and tightly on the cabinet body door shelves, and described welding door body, hinge solid of rotation are rotatably connected with hinge bodies by the opening latch, and the opening latch is out of shape Drop-proof; Also fastening nuts is on welding door body by pressing for the lock tube of described aerofoil profile round end door lock, and described lock core passes lock tube, and described dead bolt is by fastening screw trip bolt and tightly on lock core; One end of described earth lead links to each other by the grounding screw of fastening piece with welding door body, and the other end of described earth lead links to each other by the grounding screw of fastening piece with the welding cabinet; The door of described self-locking door hasp is taken fixing body is vertically fixed on the welding cabinet by bolt top, the button of described self-locking door hasp is taken fixing body by the button rotating shaft with door and is rotatably connected, described rotation lock pin is connected with button rotation by lock pin rotating shaft, described spring is connected with lock pin rotating shaft and button rotating shaft hook respectively
3 described single special-shaped axis form by bolt and lock nut bolt by circumference 360 directions to symmetrical cabinet, are combined into to overlook to be orthohexagonal described a kind of positive hexagonal prism wind energy pitch control cabinet cabinet,
When door was closed, described welding door body rotated by blind hinge, pressed mutually with the outer of the acute angle waterproof flanging of described welding cabinet, the lock core of pitching airfoil round end door lock, described dead bolt moves with lock core, and is pressed on the door shelves right angle flanging of described welding cabinet, and door is lockable; Lift the button of described self-locking door hasp, described rotation lock pin fastens the knocker jam plate at described welding door body edge, presses the button, and in the arc hook of knocker jam plate, door is by locked at rotation lock pin auto lock under the effect of spring; Welding door body firmly is pressed on the outer of the acute angle waterproof flanging that welds cabinet by sealing joint strip.
2. a kind of positive hexagonal prism wind energy pitch control cabinet cabinet as claimed in claim 1, it is characterized in that, 3 described single special-shaped axis are pressed circumference 360 directions by bolt and lock nut bolt to symmetrical cabinet, are combined into to overlook to be orthohexagonal described a kind of positive hexagonal prism wind energy pitch control cabinet cabinet.
3. a kind of positive hexagonal prism wind energy pitch control cabinet cabinet as claimed in claim 1, it is characterized in that, described welding cabinet comprises acute angle waterproof flanging, and described welding door body firmly is pressed on by sealing joint strip on the outer of acute angle waterproof flanging of described welding cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202038048U CN202718808U (en) | 2012-05-09 | 2012-05-09 | Positive hexagonal wind energy pitch control cabinet body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202038048U CN202718808U (en) | 2012-05-09 | 2012-05-09 | Positive hexagonal wind energy pitch control cabinet body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202718808U true CN202718808U (en) | 2013-02-06 |
Family
ID=47620632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202038048U Expired - Fee Related CN202718808U (en) | 2012-05-09 | 2012-05-09 | Positive hexagonal wind energy pitch control cabinet body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202718808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797628A (en) * | 2012-05-09 | 2012-11-28 | 江苏辉能达电气有限公司 | Regular hexagonal prism wind energy pitch control cabinet body |
-
2012
- 2012-05-09 CN CN2012202038048U patent/CN202718808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797628A (en) * | 2012-05-09 | 2012-11-28 | 江苏辉能达电气有限公司 | Regular hexagonal prism wind energy pitch control cabinet body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102797628A (en) | Regular hexagonal prism wind energy pitch control cabinet body | |
| CN202718808U (en) | Positive hexagonal wind energy pitch control cabinet body | |
| CN201786578U (en) | Wind power tower drum cabin door | |
| CN203684839U (en) | Cabinet door multiple interlocking structure for draw-out switch cabinet | |
| CN202299724U (en) | Multi-point interlocking type door lock of power distribution cabinet | |
| CN210149345U (en) | Safety contact manual switch device applied to electric switch machine | |
| CN210510219U (en) | Wind power gear box body | |
| CN203531563U (en) | Auxiliary lock structure for drawer switch cabinet door | |
| CN201685836U (en) | Switch machine rod protection device | |
| CN202299760U (en) | Electrical cabinet lock | |
| LU102039B1 (en) | Module pre-installed offshore booster station | |
| CN204697427U (en) | With the outdoor cabinet of multistage interlocking structure | |
| CN207261167U (en) | A kind of variable pitch cabinet of wind generator system | |
| CN102647874A (en) | Dynamic positioning linkage device | |
| CN202731477U (en) | Tower barrel door lock structure for wind generating set | |
| CN103010984B (en) | The anti-device of hurting sb.'s feelings of tower crane detecting gate | |
| CN204716126U (en) | A kind of container fuel tank cat ladder structure | |
| CN201043275Y (en) | Telescopic anti-stealing manhole cover | |
| CN201574644U (en) | Cabinet door locking device for switch cabinet | |
| CN201461705U (en) | Special anti-theft fixing device for motor of oil pumping unit | |
| CN203079600U (en) | Anti-injury device for detection door of tower crane | |
| CN209494357U (en) | A kind of oxygen-eliminating device separate terminal enclosure with hasp lock construction | |
| CN214153041U (en) | Anti-theft cabinet | |
| CN204572340U (en) | The cabinet body structure of pitch-controlled system and wind power generating set | |
| CN212743714U (en) | High-safety manual opening and closing mechanical device for heavy access door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20150509 |
|
| EXPY | Termination of patent right or utility model |