CN217713406U - Anti-reverse self-locking device - Google Patents
Anti-reverse self-locking device Download PDFInfo
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- CN217713406U CN217713406U CN202221503939.6U CN202221503939U CN217713406U CN 217713406 U CN217713406 U CN 217713406U CN 202221503939 U CN202221503939 U CN 202221503939U CN 217713406 U CN217713406 U CN 217713406U
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Abstract
The utility model discloses an anti-reverse self-locking device, which comprises a bracket, a braking piece, a moving mechanism and a driving mechanism; brackets are vertically arranged on the left side and the right side of the fan coupler at intervals from front to back, and the lower end of each bracket horizontally moves through a moving mechanism; a brake piece is vertically and fixedly arranged at the middle position of one side, close to the fan coupler, of each two adjacent brackets, each brake piece is of an arc-shaped structure matched with the outer circle of the fan coupler, the concave surface of each brake piece is coaxially arranged towards the direction of the fan coupler, and the middle position of the back surface of each brake piece is fixedly connected with the corresponding two brackets; and the upper ends of the four brackets are provided with driving mechanisms, and under the driving of the driving mechanisms, the two brake pieces respectively move horizontally towards the direction of the fan coupling along with the corresponding brackets so as to clamp and lock the fan coupling. The utility model discloses effectively prevent the fan and take place to invert at the shut down in-process, stop a series of potential safety hazards, equipment loss, energy extravagant.
Description
Technical Field
The utility model relates to a fan field, concretely relates to prevent reverse self-locking device.
Background
The fan product is widely applied, and can be used in normal operation of various systems and also can be frequently subjected to non-operation conditions such as one-use one-standby operation, shutdown maintenance and the like; for the fans which are not started to operate in the system and are in a stop standby state, the fans are often influenced by flowing media in the air duct to rotate at a certain speed. However, the rotation has serious potential safety hazard, which can cause harm to surrounding personnel, and the noise generated along with the rotation is not small harm; secondly, the rotation also affects the normal service life of the fan equipment, increases the loss of rotating parts (such as an impeller, a main shaft, a bearing, a coupling and the like) of the fan and lubricating grease, and meanwhile, the fan can drive the motor to run together when rotating, thereby affecting the service life of the motor; in addition, the rotation can increase the power consumption of the whole system, cause insufficient output of pipelines and other equipment, and influence the efficiency of the system and even the efficiency of the whole production line. Therefore, the above problems need to be solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a prevent reverse self-lock device, compact structure, installation simple operation effectively prevents the fan and takes place to overturn at the shut down in-process, and then stops a series of potential safety hazards, equipment loss and the energy waste that take place to overturn and produce because of the fan.
In order to solve the technical problem, the utility model discloses take following technical scheme: the utility model discloses a prevent reverse self-locking device, its innovation point lies in: comprises a bracket, a brake piece, a moving mechanism and a driving mechanism; the fan coupler is horizontally and longitudinally arranged, the left side and the right side of the fan coupler are respectively and symmetrically provided with supports at intervals in a vertical manner, and the lower end of each support is respectively connected with the moving end of the moving mechanism and moves horizontally and transversely through the moving mechanism; a brake piece is vertically and fixedly arranged in the middle of one side, close to the fan coupler, of each two adjacent brackets, each brake piece is of an arc-shaped structure matched with the outer circle of the fan coupler, the concave surface of each brake piece is coaxially arranged towards the direction of the fan coupler, and the middle of the back of each brake piece is fixedly connected with the corresponding two brackets respectively; and driving mechanisms are further arranged between the upper ends of the four brackets, and under the driving of the driving mechanisms, the two brake pieces respectively move horizontally towards the direction of the fan coupler along with the corresponding brackets through the matching of the moving mechanisms, so that the fan coupler is clamped and locked.
Preferably, the moving mechanism comprises a bottom plate, a connecting plate, a sliding rail and a sliding block; bottom plates are horizontally and symmetrically arranged below the left side and the right side of the fan coupler, and each bottom plate is respectively arranged under the corresponding two brackets at intervals; a connecting plate is vertically and transversely arranged in a spanning mode in the middle between the upper surfaces of the two bottom plates, the connecting plates are arranged in a square area defined by the four supports at intervals, the connecting plates are arranged under the fan coupler at intervals, two ends of the lower surface of each connecting plate are fixedly connected with the upper surfaces of the corresponding bottom plates respectively, and interference is not generated on the normal operation of the fan; sliding rails are horizontally and symmetrically arranged at the upper middle positions of the front surface and the rear surface of the connecting plate, sliding blocks are respectively arranged at the lower end of each bracket close to one side surface of the connecting plate, each sliding block is matched with the corresponding sliding rail, and the arrangement position of each sliding block corresponds to the arrangement position of each sliding rail; the lower end of each support is connected with the corresponding slide rail in a horizontal sliding mode through a slide block, and then each support does horizontal transverse movement along the connecting plate through the matching of the slide block and the slide rail.
Preferably, the length of the connecting plate needs to ensure that the fan normally operates, and the two brake pieces can be separated from the outer circle of the fan coupler through the matching of the sliding block and the sliding rail, so that the normal operation of the fan is not influenced.
Preferably, the driving mechanism comprises a screw rod, a nut and an operating hand wheel; screw rods are horizontally and transversely arranged among the upper ends of the four brackets, are arranged above the fan coupler at intervals and do not influence the normal operation of the fan; nuts matched with the screw rod are respectively screwed and sleeved on the positions, corresponding to the corresponding supports, of the screw rod, the two nuts are respectively arranged on the left side and the right side of the fan coupler, and the front end and the rear end of each nut are respectively fixedly connected with the corresponding support; an operation hand wheel is vertically and coaxially fixed at one end of the screw rod, and the four brackets horizontally and transversely move on the screw rod along with the nut by rotating the operation hand wheel so as to drive the two brake pieces to horizontally and transversely move.
Preferably, the device further comprises a base; the lower surface of each bottom plate is also provided with a base, the two bases are arranged at two sides of the fan coupler at intervals, and the upper surfaces of the two bases are fixedly connected with the corresponding bottom plates in a threaded manner; each base can be directly welded and fixed with the fan body according to actual conditions, or fixed through field manufacturing tools, or directly fixed on a foundation.
Preferably, the safety shield is further included; the fan coupling is provided with a safety shield in a sleeved mode at intervals and coaxially, the safety shield is of a semicircular annular structure matched with the fan coupling, is arranged on the periphery of the support and the periphery of the moving mechanism at intervals, does not interfere with normal operation of the fan and actions of the brake piece for locking the fan coupling, and then carries out safety protection on the fan coupling and the brake piece.
Preferably, the both ends of safety guard shield are vertical downwardly extending respectively, and the interval sets up two the both sides of base to can select directly to fix with fan body welded fastening, or fix through on-the-spot preparation frock, or the snap-on is in the basis according to actual conditions.
Preferably, a bolt is horizontally and longitudinally arranged between every two adjacent brackets relative to the position of the brake pad, the middle position of the back face of each brake pad is fixed between the two corresponding brackets through the matching of the bolt and a locking nut, and the brake pad and the fan coupling are coaxially arranged.
Preferably, a rubber pad is attached to the concave surface of each braking piece, and the outer circle of the fan coupling is clamped and protected through the rubber pad.
The utility model has the advantages that:
(1) The utility model has compact structure and convenient installation and operation, effectively prevents the fan from reversing in the shutdown process, and further eliminates a series of potential safety hazards, equipment loss and energy waste caused by the reversing of the fan;
(2) The utility model is convenient to use, does not affect the normal operation of the fan, does not need to be electrified when in use, and can be operated by one person;
(3) The utility model discloses a set up safety guard, and then to exposing the safety protection of rotating part in fan body normal operating process, it is detachable simultaneously, installs and removes the convenience, and the cost has been practiced thrift in the maintenance and the maintenance of this device of being convenient for, has avoided frequently installing and removing.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the anti-reverse self-locking device of the present invention.
Wherein, 1-a base; 2-a bottom plate; 3, connecting a plate; 4-a slide rail; 5-a support; 6-a screw rod; 7, operating a hand wheel; 8-brake block; 9-a safety shield; 10-fan coupling.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
The utility model relates to a self-locking device for preventing reverse rotation, which comprises a bracket 5, a brake piece 8, a moving mechanism and a driving mechanism; the specific structure is as shown in fig. 1, a fan coupling 10 is horizontally and longitudinally arranged, the left side and the right side of the fan coupling are respectively and symmetrically provided with brackets 5 at intervals in a vertical manner, the lower end of each bracket 5 is respectively connected with the moving end of a moving mechanism, and the brackets horizontally move through the moving mechanism; the moving mechanism comprises a bottom plate 2, a connecting plate 3, a sliding rail 4 and a sliding block; as shown in fig. 1, bottom plates 2 are horizontally and symmetrically arranged below the left side and the right side of the fan coupling 10, and each bottom plate 2 is respectively arranged under two corresponding brackets 5 at intervals; a connecting plate 3 is vertically and transversely arranged in the middle between the upper surfaces of the two bottom plates 2 in a spanning manner, the connecting plates 3 are arranged in a square area surrounded by the four brackets 5 at intervals, the connecting plates 3 are arranged under the fan coupling 10 at intervals, and the two ends of the lower surface of each connecting plate are respectively fixedly connected with the upper surfaces of the corresponding bottom plates 2 and do not interfere with the normal operation of the fan; slide rails 4 are horizontally and transversely symmetrically arranged at the upper middle positions of the front surface and the rear surface of the connecting plate 3, a slide block is arranged at the lower end of each support 5 close to one side surface of the connecting plate 3, each slide block is matched with the corresponding slide rail 4, and the arrangement position of each slide block corresponds to the arrangement position of each slide rail 4; the lower end of each support 5 is horizontally connected with the corresponding slide rail 4 in a sliding mode through a slide block, and then each support 5 horizontally moves along the connecting plate 3 through the matching of the slide block and the slide rail 4. The utility model discloses when the length of connecting plate 3 needs to ensure the fan normal operating, through the cooperation of slider and slide rail 4, two braking pieces 8 can be separated with the excircle of fan shaft coupling 10, and then do not influence the normal operating of fan.
In the utility model, a braking piece 8 is vertically and fixedly arranged at the middle position of one side of each two adjacent brackets 5 close to the fan coupler 10, each braking piece 8 is of an arc structure matched with the excircle of the fan coupler 10, as shown in figure 1, the concave surface of each braking piece 8 is coaxially arranged towards the direction of the fan coupler 10, and the middle position of the back surface of each braking piece is respectively and fixedly connected with the corresponding two brackets 5; bolts are horizontally and longitudinally arranged between every two adjacent brackets 5 relative to the positions of the brake pads 8, the middle position of the back face of each brake pad 8 is fixed between the two corresponding brackets 5 through the matching of the bolts and locking nuts, and the brake pads 8 and the fan coupling 10 are ensured to be coaxially arranged. The utility model discloses well braking piece 8 with correspond 5 fixed connection of support, and then avoid unexpected drunkenness, do not influence the normal operating of fan.
As shown in fig. 1, a rubber pad is attached to the concave surface of each brake pad 8, and the outer circle of the fan coupling 10 is clamped and protected by the rubber pad.
The utility model is also provided with a driving mechanism between the upper ends of the four brackets 5, and under the driving of the driving mechanism, through the cooperation of the moving mechanism, the two brake pieces 8 respectively move horizontally towards the direction of the fan coupling 10 along with the corresponding brackets 5, so as to clamp and lock the fan coupling 10; wherein, the driving mechanism comprises a screw rod 6, a nut and an operating hand wheel 7; as shown in fig. 1, screw rods 6 are horizontally and transversely arranged between the upper ends of the four brackets 5, and the screw rods 6 are arranged above the fan coupling 10 at intervals and do not influence the normal operation of the fan; nuts matched with the screw rods 6 are respectively screwed and sleeved on the positions, corresponding to the corresponding supports 5, of the screw rods 6, the two nuts are respectively arranged on the left side and the right side of the fan coupler 10, and the front end and the rear end of each nut are respectively fixedly connected with the corresponding supports 5; an operation hand wheel 7 is vertically and coaxially fixedly arranged at one end of the screw rod 6, and by rotating the operation hand wheel 7, the four brackets 5 horizontally move on the screw rod 6 along with the nut, so that the two brake pieces 8 are driven to horizontally move.
As shown in fig. 1, the lower surface of each bottom plate 2 is also provided with a base 1, the two bases 1 are arranged at two sides of the fan coupler 10 at intervals, and the upper surfaces of the bases are fixed with the corresponding bottom plates 2 in a threaded manner; each base 1 can be directly welded and fixed with the fan body according to actual conditions, or fixed through field manufacturing tools, or directly fixed on a foundation.
The utility model discloses cup joint with the axle center at fan shaft coupling 10 department interval and be equipped with safety guard 9, as shown in fig. 1, safety guard 9 be with fan shaft coupling 10 assorted semicircle annular structure, and the interval sets up the periphery at support 5 and moving mechanism to do not produce the interference to the normal operating of fan and the action of braking piece 8 locking fan shaft coupling 10, and then carry out safety protection to fan shaft coupling 10 and braking piece 8. The both ends of safety guard 9 are vertical downwardly extending respectively, and the interval sets up in the both sides of two bases 1 to can select directly to fix with fan body welded fastening, or fix through on-the-spot preparation frock, or the snap-on is in the basis according to actual conditions.
The utility model discloses a theory of operation: firstly, the device is arranged at a fan coupling 10, and when a fan normally operates, a brake piece 8 is separated from the outer circle of the fan coupling 10; after the fan is stopped, the rotating speed of the fan coupling 10 is reduced to zero, the operating hand wheel 7 is rotated at the moment, and under the assistance of the moving mechanism, the two brake pieces 8 horizontally and transversely move towards the fan coupling 10 along with the corresponding support 5 through the matching of the screw rod 6 and the nut, so that the outer circle of the fan coupling 10 is locked and locked, and the purpose of preventing the fan from reversing is achieved; when the fan needs to operate again, the operating hand wheel 7 is rotated reversely, so that the brake piece 8 is separated from the outer circle of the fan coupler 10.
The utility model has the advantages that:
(1) The utility model has compact structure and convenient installation and operation, effectively prevents the fan from reversing in the shutdown process, and further avoids a series of potential safety hazards, equipment loss and energy waste caused by the reversing of the fan;
(2) The utility model is convenient to use, does not affect the normal operation of the fan, does not need to be electrified when in use, and can be operated by one person;
(3) The utility model discloses a set up safety guard 9, and then to exposing the safety protection of rotating part in fan body normal operating process, it is detachable simultaneously, installs and removes the convenience, and the cost has been practiced thrift in the maintenance and the maintenance of this device of being convenient for, has avoided frequently installing and removing.
The above-mentioned embodiment is only described as the preferred embodiment of the present invention, and is not limited to the concept and scope of the present invention, and under the premise of not departing from the design concept of the present invention, the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (9)
1. The utility model provides a prevent reverse self-locking device which characterized in that: comprises a bracket, a brake piece, a moving mechanism and a driving mechanism; the fan coupling is horizontally and longitudinally arranged, the left side and the right side of the fan coupling are respectively and vertically and symmetrically provided with supports at intervals, and the lower end of each support is respectively connected with the moving end of the moving mechanism and horizontally and transversely moves through the moving mechanism; a brake piece is vertically and fixedly arranged in the middle of one side, close to the fan coupler, of each two adjacent brackets, each brake piece is of an arc-shaped structure matched with the outer circle of the fan coupler, the concave surface of each brake piece is coaxially arranged towards the direction of the fan coupler, and the middle of the back surface of each brake piece is fixedly connected with the corresponding two brackets; and driving mechanisms are further arranged between the upper ends of the four brackets, and under the driving of the driving mechanisms, the two brake pieces respectively move horizontally towards the direction of the fan coupler along with the corresponding brackets through the matching of the moving mechanisms, so that the fan coupler is clamped and locked.
2. An anti-rollback self-locking device according to claim 1, wherein: the moving mechanism comprises a bottom plate, a connecting plate, a sliding rail and a sliding block; bottom plates are horizontally and symmetrically arranged below the left side and the right side of the fan coupler, and each bottom plate is arranged under the corresponding two supports at intervals; a connecting plate is vertically and transversely arranged in a spanning mode in the middle between the upper surfaces of the two bottom plates, the connecting plates are arranged in a square area defined by the four supports at intervals, the connecting plates are arranged under the fan coupler at intervals, two ends of the lower surface of each connecting plate are fixedly connected with the upper surfaces of the corresponding bottom plates respectively, and interference is not generated on the normal operation of the fan; sliding rails are horizontally and symmetrically arranged at the upper middle positions of the front surface and the rear surface of the connecting plate, sliding blocks are respectively arranged at the lower end of each bracket close to one side surface of the connecting plate, each sliding block is matched with the corresponding sliding rail, and the arrangement position of each sliding block corresponds to the arrangement position of each sliding rail; the lower end of each support is connected with the corresponding slide rail in a horizontal sliding mode through a slide block, and then each support does horizontal transverse movement along the connecting plate through the matching of the slide block and the slide rail.
3. An anti-rollback self-locking device according to claim 2, wherein: the length of the connecting plate needs to ensure that the fan can normally run, and the two brake pieces can be separated from the outer circle of the fan coupler through the matching of the slide block and the slide rail, so that the normal running of the fan is not influenced.
4. An anti-back-rotation self-locking device as claimed in claim 3, wherein: the driving mechanism comprises a screw rod, a nut and an operating hand wheel; screw rods are horizontally and transversely arranged among the upper ends of the four brackets, are arranged above the fan coupling at intervals and do not influence the normal operation of the fan; nuts matched with the screw rod are respectively screwed and sleeved on the positions, corresponding to the corresponding supports, of the screw rod, the two nuts are respectively arranged on the left side and the right side of the fan coupler, and the front end and the rear end of each nut are respectively fixedly connected with the corresponding support; an operation hand wheel is vertically and coaxially fixed at one end of the screw rod, and the four brackets horizontally and transversely move on the screw rod along with the nut by rotating the operation hand wheel so as to drive the two brake pieces to horizontally and transversely move.
5. An anti-back-rotation self-locking device as claimed in claim 3, wherein: the device also comprises a base; the lower surface of each bottom plate is also provided with a base, the two bases are arranged at two sides of the fan coupler at intervals, and the upper surfaces of the two bases are fixedly connected with the corresponding bottom plates in a threaded manner; each base can select directly to weld with fan body fixed according to actual conditions, or fixed through on-the-spot preparation frock, or directly fixed in the basis.
6. An anti-back-rotation self-locking device as claimed in claim 5, wherein: also includes a safety shield; the fan coupling is provided with a safety shield in a sleeved mode at intervals and coaxially, the safety shield is of a semicircular annular structure matched with the fan coupling, is arranged on the periphery of the support and the periphery of the moving mechanism at intervals, does not interfere with normal operation of the fan and actions of the brake piece for locking the fan coupling, and then carries out safety protection on the fan coupling and the brake piece.
7. An anti-back-rotation self-locking device as claimed in claim 6, wherein: the two ends of the safety shield extend downwards vertically respectively, and are arranged on the two sides of the base at intervals, and can be directly welded and fixed with the fan body or fixed through a field manufacturing tool or directly fixed on a foundation according to actual conditions.
8. An anti-rollback self-locking device according to claim 1, wherein: bolts are horizontally and longitudinally arranged between every two adjacent brackets relative to the positions of the brake pads, the middle position of the back face of each brake pad is fixed between the two corresponding brackets through the matching of the bolts and the locking nuts, and the brake pads and the fan coupler are coaxially arranged.
9. An anti-back-rotation self-locking device as claimed in claim 1, wherein: and a rubber pad is attached to the concave surface of each braking piece, and the outer circle of the fan coupler is clamped and protected through the rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221503939.6U CN217713406U (en) | 2022-06-16 | 2022-06-16 | Anti-reverse self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221503939.6U CN217713406U (en) | 2022-06-16 | 2022-06-16 | Anti-reverse self-locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217713406U true CN217713406U (en) | 2022-11-01 |
Family
ID=83801196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221503939.6U Active CN217713406U (en) | 2022-06-16 | 2022-06-16 | Anti-reverse self-locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713406U (en) |
-
2022
- 2022-06-16 CN CN202221503939.6U patent/CN217713406U/en active Active
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