CN203925249U - A kind of roller shutter door machine - Google Patents
A kind of roller shutter door machine Download PDFInfo
- Publication number
- CN203925249U CN203925249U CN201420308622.6U CN201420308622U CN203925249U CN 203925249 U CN203925249 U CN 203925249U CN 201420308622 U CN201420308622 U CN 201420308622U CN 203925249 U CN203925249 U CN 203925249U
- Authority
- CN
- China
- Prior art keywords
- brake disc
- face
- brake
- axially extending
- roller shutter
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of roller shutter door machine, comprise motor, a brake rubber block base is fixed by a locking nut in machine shaft rear end, on brake rubber block base end face, be fixed with ring-shaped brake skin, the affixed tubular shell in electric machine casing rear portion, in tubular shell, be provided with a radial sidewalls, the affixed electromagnet in front side of radial sidewalls, electromagnet brake disc is housed above; On brake disc, be processed with pre-small post-large stairstepping axially extending bore, the rear portion of stairstepping axially extending bore is screwed hole, the cylindrical alignment pin of ladder, the second stage clip and trip bolt are housed in stairstepping axially extending bore successively, and stretch out outside stairstepping axially extending bore the front portion of described alignment pin; Locking nut is processed with deep-slotted chip breaker and matches with described alignment pin front portion; Brake disc outer peripheral face is provided with radially spacing draw-in groove, the outside hinged pressing plate of tubular shell, and pressing plate is provided with clamping projection and matches with described draw-in groove; The utility model can be guaranteed the reliable brake of roller shutter door machine machine shaft, improves the reliability that roller shutter door machine is used.
Description
Technical field
The utility model relates to roller shutter door machine.
Background technology
Now, rolling door has been widely used in the occasions such as StoreFront, factory, garage.And roller shutter door machine is the important device that drives rolling door to rise and decline, by rolling door, improve the convenience that rolling door is used.
Existing roller shutter door machine is then by a sprocket wheel and chain drive, driven rolling door to rise and declined through reducer by a motor, while stopping need to by brake disc be fixed on brake rubber block on machine shaft and match and incompatible machine shaft is braked, when machine shaft brake stops, rolling door just can stop mobile, and this mechanism can meet the demands substantially for most rolling door.But when roller shutter door machine larger when heavier, stiction when there will be brake disc and brake rubber block to be bonded with each other occurs that rolling door downslide phenomenon occurs not, or because the friction factor on brake rubber block Reusability surface declines, stiction when reducing brake disc and being bonded with each other with brake rubber block and occur the appearance of rolling door downslide phenomenon, there is potential safety hazard, and affect the use of rolling door.
In addition, existing brake disc is all then by machine, to be made by ironcasting, and its weight is larger, and manufacturing cost is higher.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of roller shutter door machine, and it can guarantee the reliable brake of roller shutter door machine machine shaft, improves the reliability that roller shutter door machine is used.
For achieving the above object, the technical solution of the utility model is: a kind of roller shutter door machine, comprise motor, stretch out outside electric machine casing at the two ends of machine shaft, the front end connection reducer of machine shaft, the output shaft of reducer drives rolling door to move by a sprocket wheel and chain drive, the output shaft of reducer also connects stop by a gear drive, the rear end cover of machine shaft has a brake rubber block base, the rear end that one locking nut is spun on machine shaft is fixed on brake rubber block base on machine shaft, on brake rubber block chassis outer side end face, be fixed with ring-shaped brake skin, the affixed tubular shell in rear portion of electric machine casing, the endoporus rear portion of tubular shell is provided with a radial sidewalls, the centre of radial sidewalls is processed with axially extending bore, the affixed electromagnet in front side of described radial sidewalls, electromagnet is provided with a central through hole, brake disc is housed before electromagnet, the front end face of brake disc coordinates with ring-shaped brake is skin-deep, the rear end face of brake disc matches with electromagnet, brake disc is provided with an axial central through hole, a connecting bolt is successively through the central through hole on brake disc, the central through hole of electromagnet, axially extending bore in the middle of radial sidewalls reaches in the tubular shell of radial sidewalls rear side, the rear end of connecting bolt is processed with a radial direction through hole, the radial direction through hole of connecting bolt is installed with a latch,
On the rear end face of brake disc and the connecting bolt between radial sidewalls, cover has the first stage clip;
On brake disc, also at least process a pre-small post-large stairstepping axially extending bore, the rear portion of stairstepping axially extending bore is screwed hole, a cylindrical alignment pin of ladder is housed in stairstepping axially extending bore, stretch out outside described stairstepping axially extending bore the front portion of the cylindrical alignment pin of ladder, on the screwed hole at stairstepping axially extending bore rear portion, be rotary with a trip bolt, the front portion of trip bolt is connected by the second stage clip with the rear portion of the cylindrical alignment pin of ladder;
On the rear end face of described locking nut, being processed with deep-slotted chip breaker matches with the front portion of the cylindrical alignment pin of ladder;
Brake disc outer peripheral face is provided with at least one radially spacing draw-in groove, the hinged pressing plate in outside of described tubular shell, pressing plate presses to described tubular shell by a torsion spring, and pressing plate is provided with a clamping projection and stretches in tubular shell and match with the radially spacing draw-in groove of brake disc.
Preferred described brake disc is respectively processed a pre-small post-large stairstepping axially extending bore in the both sides of axial central through hole, two stairstepping axially extending bores are all equipped with the cylindrical alignment pin of ladder, the second stage clip and trip bolt, be processed with two deep-slotted chip breakers and match with the front portion of two cylindrical alignment pins of ladder respectively on the rear end face of described locking nut.By two cylindrical alignment pins of ladder, match and can better play brake safety effect with two deep-slotted chip breakers on locking nut rear end face.
Further improve, on the connecting bolt between described the first stage clip and the rear end face of brake disc, also cover has an axle sleeve.Brake disc is moved forward and backward more reliable.
Further improve, the rear end of described connecting bolt is also connected with one end of a manual rocking handle, and manually one end of rocking handle is stuck between described radial sidewalls and latch, and manually the other end of rocking handle stretches out outside tubular shell.By pulling manual rocking handle, can remove the braking state of brake disc.
Preferred described brake disc comprises cylindrical aluminium dish, cylindrical aluminium dish front end face coordinates with ring-shaped brake is skin-deep, cylindrical aluminium back-end disk face is provided with the first groove, one steel plate be entrenched on the first groove and with cylindrical aluminium dish Joint, match with electromagnet in the outer face of steel plate, described cylindrical aluminium dish and described steel plate correspondence are processed with axial central through hole; Described stairstepping axially extending bore is located on cylindrical aluminium dish.Adopt this brake disc weight lighter, reduced manufacturing cost, alleviate the weight of roller shutter door machine, facilitate the installation of roller shutter door machine.
Preferred described steel plate is circular steel plate, and steel plate thickness is 2.8mm～3.2mm.While guaranteeing to coordinate with electromagnet, there are enough the suction-combining forces.
Further improve, on described the first groove, be distributed with three projections, in each projection, be processed with screwed hole, on the position in corresponding three the raised thread holes of described steel plate, be processed with three through holes, three screws are locked in and on three screwed holes in projection, make steel plate and cylindrical aluminium dish Joint through three through holes on steel plate.Convenient steel plate and cylindrical aluminium dish Joint.
Further improve, the end face of described cylindrical aluminium dish opposite side is provided with the second groove.By the second groove, there is the effect of stepping down, further alleviate again the weight of brake disc, reduce material cost.
Further improve, the mid portion of described cylindrical aluminium dish outer peripheral face is provided with a plurality of chains, is equipped with and pulls chain on chain, pulls chain and stretches out outside described tubular shell, and a part that pulls chain is crushed between described pressing plate and tubular shell; Described radially spacing draw-in groove is located at the front side of cylindrical aluminium dish outer peripheral face.While making to have a power failure, by pulling chain-driving brake disc, rotate, brake disc rotates by the brake rubber block drive motor being fixed on machine shaft again.
Further improve again, on the front side of described cylindrical aluminium dish outer peripheral face, be evenly equipped with a plurality of radially spacing draw-in grooves.Clamping projection on can more convenient pressing plate matches with described radially spacing draw-in groove, in the rotation of a plurality of positions upper limit cylindrical aluminium dish processed.
The utility model described radially spacing draw-in groove protruding by the clamping on pressing plate and on brake disc matches and can prevent that brake disc from rotating, when the front end face of brake disc engages with ring-shaped brake is skin-deep, can brake to machine shaft, front end face at brake disc engages simultaneously with ring-shaped brake is skin-deep, deep-slotted chip breaker on the rear end face of described locking nut matches with the front portion of the cylindrical alignment pin of ladder, play brake safety effect, when the stiction of ring-shaped brake skin is inadequate, the cylindrical alignment pin of ladder also can be by matching and prevent that machine shaft from rotating with the deep-slotted chip breaker of locking nut, guarantee the reliable brake of roller shutter door machine machine shaft, improve the reliability that roller shutter door machine is used.
Accompanying drawing explanation
Fig. 1 is the utility model front view;
Fig. 2 is the A place enlarged drawing of Fig. 1;
Fig. 3 is the front view of the utility model brake disc;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the right view of Fig. 3;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is the right view that Fig. 3 hides steel plate;
Fig. 8 is the C-C sectional view of Fig. 7;
Fig. 9 is the front view of the utility model locking nut;
Figure 10 is the D-D sectional view of Fig. 9.
The specific embodiment
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail.
Shown in Fig. 1 to Figure 10, a kind of roller shutter door machine, comprise motor 1, stretch out outside motor 1 housing at the two ends of machine shaft 11, the front end connection reducer 2 of machine shaft 11, the output shaft 21 of reducer 2 drives rolling door to move by a sprocket wheel and chain drive 22, the output shaft of reducer 2 also connects stop 3 by a gear drive 23, the rear end cover of machine shaft 11 has a brake rubber block base 41, the rear end that one locking nut 5 is spun on machine shaft 11 is fixed on brake rubber block base 41 on machine shaft 11, on brake rubber block base 41 outside end faces, be fixed with ring-shaped brake skin 4, the rear end of locking nut 5 and machine shaft 11 also can by one radially latch prevent that locking nut 5 and machine shaft 11 from rotating mutually,
The affixed tubular shell 6 in rear portion of motor 1 housing, the endoporus rear portion of tubular shell 6 is provided with a radial sidewalls 61, the centre of radial sidewalls 61 is processed with axially extending bore, the affixed electromagnet 7 in front side of described radial sidewalls 61, electromagnet 7 can be by bolt lock in described radial sidewalls 61, electromagnet 7 is provided with a central through hole, electromagnet 7 brake disc 8 is housed above
Shown in Fig. 3 to Fig. 8 is further, preferred described brake disc 8 comprises cylindrical aluminium dish 81, cylindrical aluminium dish 81 front end faces match with ring-shaped brake skin 4, cylindrical aluminium dish 81 rear end faces are provided with the first groove 811, one steel plate 82 be entrenched on the first groove 811 and with cylindrical aluminium dish 81 Joints, match with electromagnet 7 in the outer face of steel plate 82, described cylindrical aluminium dish 81 and described steel plate 82 correspondences are processed with axial central through hole 812,821;
A connecting bolt 9 passes the central through hole 812 of the cylindrical aluminium dish 81 of brake disc 8 successively, axially extending bore in the middle of central through hole 821 on steel plate 82 and the central through hole of electromagnet 7 and radial sidewalls 61 reaches in the tubular shell 6 of radial sidewalls 61 rear sides, the rear end of connecting bolt 9 is processed with a radial direction through hole, the radial direction through hole of connecting bolt 9 is installed with a latch 91, the rear end of connecting bolt 9 is also connected with one end of a manual rocking handle 10, manually one end of rocking handle 10 is stuck between described radial sidewalls 61 and latch 91, manually the other end of rocking handle 10 stretches out outside tubular shell 6,
The rear end face of brake disc 8 be on the lateral surface of steel plate 82 and the connecting bolt 9 between described radial sidewalls 61 cover to have the rear end face of the first stage clip 92, the first stage clips 92 and brake disc 8 be also to overlap and have an axle sleeve 93 on the connecting bolt 9 between the lateral surface of steel plate 82;
The both sides of the central through hole 812 of the cylindrical aluminium dish 81 of described brake disc 8 respectively process a pre-small post-large stairstepping axially extending bore 813, two stairstepping axially extending bores 813 are all equipped with the cylindrical alignment pin 83 of ladder, the second stage clip 84 and trip bolt 85, the rear portion of stairstepping axially extending bore 813 is screwed hole, the cylindrical alignment pin 83 of ladder is through in stairstepping axially extending bore 813 and stretch out outside stairstepping axially extending bore 813 its front portion, trip bolt 85 is spun on the screwed hole at stairstepping axially extending bore 813 rear portions, the second stage clip 84 is against between the front portion of trip bolt 85 and the rear portion of the cylindrical alignment pin 83 of ladder,
Shown in Fig. 9, Figure 10 are further, on the rear end face of described locking nut 5, are processed with two deep-slotted chip breakers 51 and match with the front portion of two cylindrical alignment pins 83 of ladder respectively;
Steel plate 82 on preferred described brake disc 8 is circular steel plate, and steel plate 82 thickness are 2.8mm～3.2mm;
On the first groove 811 of described cylindrical aluminium dish 81, be distributed with three projections 814, in each projection 814, be processed with screwed hole 815, on the position of described steel plate 82 corresponding three projection 814 upper screwed holes 815, be processed with three through holes, three screws 86 are locked in and on three screwed holes 815 in projection 814, make steel plate 82 and cylindrical aluminium dish 81 Joints through three through holes on steel plate 82;
The end face of described cylindrical aluminium dish 81 opposite sides is provided with the second groove 816;
The mid portion of described cylindrical aluminium dish 81 outer peripheral faces is provided with five chains 817, on chain 817, is equipped with and pulls chain 12, pulls chain 12 and stretches out outside described tubular shell 6;
On the front side of described cylindrical aluminium dish 81 outer peripheral faces, be evenly equipped with ten radially spacing draw-in grooves 818, the hinged pressing plate 13 in outside of described tubular shell 6, pressing plate 13 presses to described tubular shell 6 by a torsion spring 14, and pressing plate 13 is provided with clamping projection 131 and stretches into that tubular shell 6 is interior to match with ten radially spacing draw-in grooves 818 on cylindrical aluminium dish 81 respectively;
A part that pulls chain 12 is crushed between described pressing plate 13 and tubular shell 6.
The course of work of the present utility model is as follows:
During electric operating, when rolling door need to move, electromagnet 7 is obtained electric, after driving whole brake disc 8, electromagnet 7 adhesive steel plates 82 spring force that overcomes the first stage clip 92 move, cylindrical aluminium dish 81 front end faces of brake disc 8 depart from ring-shaped brake skin 4, machine shaft 11 is free to rotate, now allow motor 1 switch on, the output shaft 21 that machine shaft 11 rotates by reducer 2 drives rolling door to move by a sprocket wheel and chain drive 22 again, 3 position-limiting actions of stop, after arriving desired location, stop 3 cuts off motor 1 power supply and makes electromagnet 7 dead electricity, brake disc 8 moves forward under the effect of the first stage clip 92 spring forces, 4 pairs of machine shafts 11 of cylindrical aluminium dish 81 front end face engagement annular brake rubber blocks of brake disc 8 brake, two deep-slotted chip breakers 51 on locking nut 5 rear end faces are inserted in two the cylindrical alignment pin of ladder 83 front portions simultaneously, play brake safety effect, if now two the cylindrical alignment pin of ladder 83 front portions can not be inserted two deep-slotted chip breakers 51 on locking nut 5 rear end faces smoothly, do not affect brake yet, as cylindrical aluminium dish 81 and ring-shaped brake skin 4 relatively rotate, two anterior just can insertions smoothly in two deep-slotted chip breakers 51 on locking nut 5 rear end faces of the cylindrical alignment pin 83 of ladder.
During manual operation, pull manual rocking handle 10, make cylindrical aluminium dish 81 front end faces of brake disc 8 depart from ring-shaped brake skin 4, machine shaft 11 is free to rotate, pull rolling door or and then rotation of machine shaft 11 under the reverse drive of rolling door deadweight, rolling door can decline; When rolling door need to rise, pull and pull the torsion that chain 12 first makes pressing plate 13 overcome torsion spring 14 and rotate, clamping projection 131 on pressing plate 13 just departs from the radially spacing draw-in groove 818 on cylindrical aluminium dish 81, make brake disc 8 rotatable, pull on and start zip strip 12 and just can drive brake disc 8 to rotate, brake disc 8 rotates by the 4 drive motor rotating shafts 11 of ring-shaped brake skin again, thereby rolling door moves up, when if the frictional force of ring-shaped brake skin 4 is inadequate, brake disc 8 can also rotate by two cylindrical alignment pins 83 of ladder, locking nut 5 drive motor rotating shafts 11.
Below be only preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection domain of this case.
Claims (10)
1. a roller shutter door machine, comprise motor, stretch out outside electric machine casing at the two ends of machine shaft, the front end connection reducer of machine shaft, the output shaft of reducer drives rolling door to move by a sprocket wheel and chain drive, the output shaft of reducer also connects stop by a gear drive, the rear end cover of machine shaft has a brake rubber block base, the rear end that one locking nut is spun on machine shaft is fixed on brake rubber block base on machine shaft, on brake rubber block chassis outer side end face, be fixed with ring-shaped brake skin, it is characterized in that: the affixed tubular shell in rear portion of electric machine casing, the endoporus rear portion of tubular shell is provided with a radial sidewalls, the centre of radial sidewalls is processed with axially extending bore, the affixed electromagnet in front side of described radial sidewalls, electromagnet is provided with a central through hole, brake disc is housed before electromagnet, the front end face of brake disc coordinates with ring-shaped brake is skin-deep, the rear end face of brake disc matches with electromagnet, brake disc is provided with an axial central through hole, a connecting bolt is successively through the central through hole on brake disc, the central through hole of electromagnet, axially extending bore in the middle of radial sidewalls reaches in the tubular shell of radial sidewalls rear side, the rear end of connecting bolt is processed with a radial direction through hole, the radial direction through hole of connecting bolt is installed with a latch,
On the rear end face of brake disc and the connecting bolt between radial sidewalls, cover has the first stage clip;
On brake disc, also at least process a pre-small post-large stairstepping axially extending bore, the rear portion of stairstepping axially extending bore is screwed hole, a cylindrical alignment pin of ladder is housed in stairstepping axially extending bore, stretch out outside described stairstepping axially extending bore the front portion of the cylindrical alignment pin of ladder, on the screwed hole at stairstepping axially extending bore rear portion, be rotary with a trip bolt, the front portion of trip bolt is connected by the second stage clip with the rear portion of the cylindrical alignment pin of ladder;
On the rear end face of described locking nut, being processed with deep-slotted chip breaker matches with the front portion of the cylindrical alignment pin of ladder;
Brake disc outer peripheral face is provided with at least one radially spacing draw-in groove, the hinged pressing plate in outside of described tubular shell, pressing plate presses to described tubular shell by a torsion spring, and pressing plate is provided with a clamping projection and stretches in tubular shell and match with the radially spacing draw-in groove of brake disc.
2. a kind of roller shutter door machine according to claim 1, it is characterized in that: described brake disc is respectively processed a pre-small post-large stairstepping axially extending bore in the both sides of axial central through hole, two stairstepping axially extending bores are all equipped with the cylindrical alignment pin of ladder, the second stage clip and trip bolt, be processed with two deep-slotted chip breakers and match with the front portion of two cylindrical alignment pins of ladder respectively on the rear end face of described locking nut.
3. a kind of roller shutter door machine according to claim 1, is characterized in that: on the connecting bolt between described the first stage clip and the rear end face of brake disc, also cover has an axle sleeve.
4. a kind of roller shutter door machine according to claim 1, it is characterized in that: the rear end of described connecting bolt is also connected with one end of a manual rocking handle, manually one end of rocking handle is stuck between described radial sidewalls and latch, and manually the other end of rocking handle stretches out outside tubular shell.
5. according to a kind of roller shutter door machine described in claim 1 to 4 any one, it is characterized in that: described brake disc comprises cylindrical aluminium dish, cylindrical aluminium dish front end face coordinates with ring-shaped brake is skin-deep, cylindrical aluminium back-end disk face is provided with the first groove, one steel plate be entrenched on the first groove and with cylindrical aluminium dish Joint, match with electromagnet in the outer face of steel plate, described cylindrical aluminium dish and described steel plate correspondence are processed with axial central through hole; Described stairstepping axially extending bore is located on cylindrical aluminium dish.
6. a kind of roller shutter door machine according to claim 5, is characterized in that: described steel plate is circular steel plate, and steel plate thickness is 2.8mm～3.2mm.
7. a kind of roller shutter door machine according to claim 5, it is characterized in that: on described the first groove, be distributed with three projections, in each projection, be processed with screwed hole, on the position in corresponding three the raised thread holes of described steel plate, be processed with three through holes, three screws are locked in and on three screwed holes in projection, make steel plate and cylindrical aluminium dish Joint through three through holes on steel plate.
8. a kind of roller shutter door machine according to claim 5, is characterized in that: the end face of described cylindrical aluminium dish opposite side is provided with the second groove.
9. a kind of roller shutter door machine according to claim 5, it is characterized in that: it is characterized in that: the mid portion of described cylindrical aluminium dish outer peripheral face is provided with a plurality of chains, on chain, be equipped with and pull chain, pull chain and stretch out outside described tubular shell, a part that pulls chain is crushed between described pressing plate and tubular shell; Described radially spacing draw-in groove is located at the front side of cylindrical aluminium dish outer peripheral face.
10. a kind of roller shutter door machine according to claim 9, is characterized in that: on the front side of described cylindrical aluminium dish outer peripheral face, be evenly equipped with a plurality of radially spacing draw-in grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308622.6U CN203925249U (en) | 2014-06-11 | 2014-06-11 | A kind of roller shutter door machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308622.6U CN203925249U (en) | 2014-06-11 | 2014-06-11 | A kind of roller shutter door machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203925249U true CN203925249U (en) | 2014-11-05 |
Family
ID=51821078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308622.6U Withdrawn - After Issue CN203925249U (en) | 2014-06-11 | 2014-06-11 | A kind of roller shutter door machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203925249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006094A (en) * | 2014-06-11 | 2014-08-27 | 漳州科晖机械电子有限公司 | Roller shutter door machine |
| CN108049797A (en) * | 2017-12-01 | 2018-05-18 | 福建安麟智能科技股份有限公司 | Door system drops in a kind of motor of rolling shutter door manually |
-
2014
- 2014-06-11 CN CN201420308622.6U patent/CN203925249U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006094A (en) * | 2014-06-11 | 2014-08-27 | 漳州科晖机械电子有限公司 | Roller shutter door machine |
| CN104006094B (en) * | 2014-06-11 | 2016-08-24 | 漳州科晖机械电子有限公司 | A kind of roller shutter door machine |
| CN108049797A (en) * | 2017-12-01 | 2018-05-18 | 福建安麟智能科技股份有限公司 | Door system drops in a kind of motor of rolling shutter door manually |
| CN108049797B (en) * | 2017-12-01 | 2023-09-26 | 福建安麟智能科技股份有限公司 | Manual door lowering system of roller shutter door motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204921770U (en) | Beam -pumping unit stopper | |
| CN203925249U (en) | A kind of roller shutter door machine | |
| CN102303270B (en) | Polishing mechanism of wheel drum surface | |
| CN108099496B (en) | Combined worm gear driven electric control castor | |
| CN201848936U (en) | Open rubber refining machine | |
| CN105570357A (en) | Manual releasing device and brake using same | |
| CN104006094B (en) | A kind of roller shutter door machine | |
| CN204144188U (en) | Transmission mechanism in dual-power transfer switch | |
| CN102881478B (en) | Spring return type centrifugal clutch | |
| CN216056676U (en) | Novel tubular motor | |
| CN102963805A (en) | Escalator auxiliary brake device | |
| CN206076082U (en) | A kind of arrangement of clutch for motor-operating mechanism | |
| CN104409237A (en) | Clutch device for electric switch operating mechanism | |
| CN101618842B (en) | One-hand controller for petroleum drilling machine winch | |
| CN204545577U (en) | The disc brake apparatus of band sawing machine | |
| CN205099142U (en) | Swift current car overspeed governor is prevented in two -way automation with speed monitoring section | |
| CN220501112U (en) | Wire pressing device of automatic packing machine | |
| CN110848282A (en) | Electromagnet controlled bidirectional clutch mechanism | |
| CN204961644U (en) | Beam -pumping unit stopper | |
| CN204081960U (en) | A kind of door-rolling machine safety clutch device | |
| CN204230086U (en) | A kind of electric switch operating mechanism arrangement of clutch | |
| GB2569461A (en) | A safety emergency light | |
| CN202816717U (en) | Spring return type centrifugal clutch | |
| CN203707973U (en) | Motor with detachable hand wheel device | |
| CN210853214U (en) | Automatic bundling machine for elastic rope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |