CN220765663U - Dustproof and explosion-proof mechanical bucket-lifting off-tracking switch - Google Patents
Dustproof and explosion-proof mechanical bucket-lifting off-tracking switch Download PDFInfo
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- CN220765663U CN220765663U CN202322685220.XU CN202322685220U CN220765663U CN 220765663 U CN220765663 U CN 220765663U CN 202322685220 U CN202322685220 U CN 202322685220U CN 220765663 U CN220765663 U CN 220765663U
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- connecting rod
- fixing frame
- base
- tracking
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- 239000000428 dust Substances 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004880 explosion Methods 0.000 claims 5
- 230000007246 mechanism Effects 0.000 abstract description 13
- 238000009825 accumulation Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005054 agglomeration Methods 0.000 abstract description 4
- 230000002776 aggregation Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000003670 easy-to-clean Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a dustproof and explosion-proof mechanical bucket lifting off tracking switch which comprises a roller shaft, a roller bracket, a reset spring, a base, a switch fixing frame and a travel switch, wherein a double-head connecting rod is arranged at an inner through hole of the base in a penetrating way, the reset spring is arranged on the outer surfaces of two rods of the double-head connecting rod in a nested way, the roller bracket is fixedly arranged at the front end of the double-head connecting rod through a nut, and the roller shaft is fixedly arranged at the two ends of the roller bracket through the nut in a rotating way. The dustproof and explosion-proof mechanical bucket lifting off tracking switch can be used for checking whether the switch acts reliably or not through the drawing of the left through hole and the right through hole of the fixing frame at the tail end of the connecting rod for maintenance, and removing dust accumulation. The old deviation switch is not easy to clean because dust accumulation and agglomeration occur in the mechanism, and after the mechanism is invalid, the belt deviates to damage parts in the mechanism by friction. The bucket-lifting off-tracking switch is convenient to maintain, so that the service life of the bucket-lifting off-tracking switch is prolonged.
Description
Technical Field
The utility model relates to the technical field of off tracking switches, in particular to a dustproof and explosion-proof mechanical bucket-lift off tracking switch.
Background
The impact-resistant deviation detection of bulk cargo conveyor belts in mines, ports, power plants, steel mills and the like is often carried out by adopting a deviation switch, and when the belt is seriously deviated, the bucket-lifting deviation switch can lead the switch core of the travel switch to conduct and alarm, so that the early warning effect is achieved.
In the prior art, chinese patent with grant publication number CN218840689U discloses a deflection switch for detecting deflection of a belt conveyor, which comprises a vertical roller assembly, a support rod assembly and a deflection switch main body, wherein the vertical roller assembly comprises a vertical roller and a buffer plate, the buffer plate extends along the moving direction of the belt, two ends of the buffer plate are bent towards the direction away from the belt so as to form a protruding part towards the direction of the belt in the middle of the buffer plate, an opening is formed in the protruding part, the vertical roller is mounted on one side of the protruding part away from the belt, and the side edge of the vertical roller extends out from the opening; the lower end of the vertical roller is rotatably connected to the upper end of the supporting rod assembly, the lower end of the supporting rod assembly is rotatably connected to the off-tracking switch main body, and the supporting rod assembly rotates relative to the off-tracking switch main body to trigger detection of off-tracking. The utility model aims to provide a deviation switch, which solves the problems that in the prior art, the base, the support rod, the vertical roller and the like of the deviation switch are large in impact force, the service life of the deviation switch is influenced and the like.
When the off-tracking switch device is used, the off-tracking switch comprises the vertical roller assembly, the supporting rod assembly and the off-tracking switch main body, the vertical roller assembly comprises the vertical roller and the buffer plate, the buffer plate extends along the moving direction of the belt, the two ends of the buffer plate are bent towards the direction away from the belt to form the protruding part towards the direction of the belt, when the belt is off-tracking, even after a notch is formed in the belt after abrasion, the belt notch can buffer the larger impact force generated by the off-tracking switch, the damage of the off-tracking switch is avoided, the service life of the off-tracking switch is prolonged, the detection stability of the off-tracking switch is ensured, but the maintenance of the off-tracking switch device is troublesome, dust on the belt can be accumulated in the off-tracking switch, the action failure is caused by dust accumulation and agglomeration in the off-tracking switch mechanism, the dust accumulation and the action failure is not easy to remove, after the mechanism failure, the belt off-tracking can rub and damage parts inside, so that the off-tracking switch needs to be replaced again, and the cost is improved.
Aiming at the problems, innovative design is urgently needed on the basis of the original off-tracking switch device structure.
Disclosure of Invention
The utility model aims to provide a dustproof and explosion-proof mechanical bucket lifting off-tracking switch, which solves the problems that the maintenance of the off-tracking switch device provided in the background art is troublesome, dust on a belt can accumulate in the off-tracking switch, dust accumulation and agglomeration occur in an off-tracking switch mechanism to cause action failure, the off-tracking switch mechanism is not easy to clean, and after the mechanism failure, the belt off-tracking can rub and damage parts in the off-tracking switch mechanism, so that the off-tracking switch needs to be replaced again, and the cost is increased.
In order to achieve the above purpose, the utility model provides a dustproof and explosion-proof mechanical bucket-lift off tracking switch which comprises a roller shaft, a roller bracket, a reset spring, a base, a switch fixing frame and a travel switch, wherein a double-head connecting rod is arranged at an inner through hole of the base in a penetrating way, the reset spring is nested and arranged on the outer surfaces of two rods of the double-head connecting rod, the front end of the double-head connecting rod is fixedly provided with the roller bracket through a nut, and the two ends of the roller bracket are fixedly provided with the roller shaft through the nut in a rotating way;
the terminal fixed mount of connecting rod is fixed mounting to the end of double-end connecting rod, the rear lower extreme fixedly connected with switch mount of base.
Further, the first through hole and the second through hole are sequentially formed in the two ends of the connecting rod tail end fixing frame from left to right, the connecting rod tail end fixing frame is rectangular, whether the action of the switch is reliable or not can be checked through drawing of the left through hole and the right through hole of the connecting rod tail end fixing frame, and dust accumulation is eliminated.
Furthermore, the reset springs are symmetrically arranged in two groups on the left and right sides of the vertical central axis of the base, the roller bracket and the base form an elastic structure through the reset springs,
further, the drum shaft and the drum bracket form a rotating structure, and the drum shaft is rectangular in overlook, so that the structure reflects the relationship between the drum shaft and the drum bracket.
Further, the base is just regarded as rectangle, and the mounting hole has been seted up around the base, and the mounting hole is convenient for the installation of base.
Further, a travel switch is fixedly arranged on the inner side of the switch fixing frame, a rocker arm of the travel switch is in contact with the connecting rod tail end fixing frame, the roller shaft rotates by 120 degrees through an inner shaft bearing, when the collision force of objects is greater than the spring force, the double-headed connecting rod is pushed to drive the connecting rod tail end fixing frame, and the connecting rod tail end fixing frame moves to a certain distance to push the travel switch to act, so that a switch core of the travel switch is conducted to give an alarm, and the effect of early warning is achieved.
Compared with the prior art, the utility model has the beneficial effects that:
1. the dustproof and explosion-proof mechanical bucket lifting off tracking switch can be used for checking whether the switch acts reliably or not through the drawing of the left through hole and the right through hole of the fixing frame at the tail end of the connecting rod for maintenance, and removing dust accumulation. The old deviation switch is not easy to clean because dust accumulation and agglomeration occur in the mechanism, and after the mechanism is invalid, the belt deviates to damage parts in the mechanism by friction. The bucket-lifting off-tracking switch is convenient to maintain, so that the service life of the bucket-lifting off-tracking switch is prolonged.
2. The dustproof and explosion-proof mechanical bucket-lift deviation switch is provided with a buffer structure, the bucket-lift deviation switch is arranged on the side wall of the bucket-lift belt conveyor, the drum shaft is opposite to the side edge of the bucket-lift belt, when the bucket-lift belt is slightly deviated during working of the bucket-lift conveyor, the edge of the belt is dragged to the drum shaft, and the drum shaft is internally provided with a bearing so as to drive the drum shaft to rotate, so that friction damage of the belt edge to the deviation switch during slight deviation of the bucket-lift belt is reduced; when the belt is severely deviated, after the extrusion force of the belt edge to the roller shaft is greater than the elastic force of the spring, the double-head connecting rod and the connecting rod tail end fixing frame are pushed, and the connecting rod tail end fixing frame pushes the rocker arm of the travel switch open, so that the switch core of the travel switch is conducted and warned.
Drawings
FIG. 1 is a schematic perspective view of the components of the present utility model;
FIG. 2 is a schematic perspective view of a drum shaft according to the present utility model;
FIG. 3 is a schematic view of the rear view of the base of the present utility model;
FIG. 4 is a schematic diagram of a left-hand structure of the travel switch of the present utility model;
FIG. 5 is a schematic diagram of the front view of the base of the present utility model;
FIG. 6 is a schematic perspective view of a connecting rod end fixing frame according to the present utility model;
FIG. 7 is a schematic top view of a drum shaft according to the present utility model;
fig. 8 is a schematic top view of the drum shaft of the present utility model.
In the figure: 1. a drum shaft; 101. a first through hole; 102. a second through hole; 2. a nut; 3. a roller bracket; 4. a return spring; 5. a base; 6. a double-ended connecting rod; 7. a connecting rod tail end fixing frame; 8. a switch fixing frame; 9. and a travel switch.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-8, the present utility model provides a technical solution: the dustproof and explosion-proof mechanical bucket lifting off tracking switch comprises a drum shaft 1, a drum bracket 3, a reset spring 4, a base 5, a switch fixing frame 8 and a travel switch 9, wherein a double-head connecting rod 6 is installed at the position of an inner through hole of the base 5 in a penetrating manner, the reset spring 4 is installed on the outer surfaces of two rods of the double-head connecting rod 6 in a nested manner, the front end of the double-head connecting rod 6 is fixedly provided with the drum bracket 3 through a nut 2, and the drum shaft 1 is fixedly installed at two ends of the drum bracket 3 through the rotation of the nut 2;
the tail end of the double-head connecting rod 6 is fixedly provided with a connecting rod tail end fixing frame 7, and the rear lower end of the base 5 is fixedly connected with a switch fixing frame 8.
The two ends of the connecting rod tail end fixing frame 7 are sequentially provided with a first through hole 101 and a second through hole 102 from left to right, the connecting rod tail end fixing frame 7 is regarded as rectangle, the reset spring 4 is symmetrically arranged in two groups on the left and right of the vertical central axis of the base 5, the roller bracket 3 and the base 5 form an elastic structure through the reset spring 4, the roller shaft 1 and the roller bracket 3 form a rotating structure, the roller shaft 1 is rectangular in overlook, the base 5 is rectangular, the periphery of the base 5 is provided with mounting holes, the inner side of the switch fixing frame 8 is fixedly provided with a travel switch 9, and a rocker arm of the travel switch 9 is contacted with the connecting rod tail end fixing frame 7;
according to fig. 1-8, firstly, a user installs a dustproof and explosion-proof mechanical bucket-lift deviation switch on the side wall of a bucket-lift belt conveyor, a drum shaft 1 faces the side edge of the bucket-lift belt, when the bucket-lift is in work, the belt of the bucket-lift is slightly deviated, the belt of the bucket-lift is firstly contacted with the drum shaft 1, the edge of the belt is dragged to the drum shaft 1, the drum shaft 1 is installed on a drum bracket 3 through a nut 2, the nut 2 plays a limiting role, and the drum shaft 1 and the drum bracket 3 form a rotating structure. The belt of the bucket elevator drives the drum shaft 1 to rotate, so that friction damage of the belt edge with slight deviation to the bucket elevator deviation switching mechanism is reduced. When the belt of the bucket elevator has large extrusion force to the roller shaft 1, the roller shaft 1 pushes the roller bracket 3 so that the double-head connecting rod 6 stretches out and draws back to the outside of the base 5, the reset spring 4 is extruded by the roller bracket 3, and the double-head connecting rod 6 pushes up the rocker arm of the travel switch 9, so that the switch core of the travel switch 9 is conducted to give an alarm. During maintenance, a user grabs the first through hole 101 and the second through hole 102 at two ends of the connecting rod tail end fixing frame 7, then pulls the connecting rod tail end fixing frame 7 to check whether the switch is reliable or not, and accumulated dust can be removed, so that the service life of the bucket lifting off-tracking switch is prolonged, and the content which is not described in detail in the specification belongs to the prior art known to the person skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Dustproof explosion-proof mechanical type is fought and is carried off tracking switch, including drum shaft (1), cylinder support (3), reset spring (4), base (5), switch mount (8) and travel switch (9), its characterized in that: the double-end connecting rod (6) is installed at the position of the inner through hole of the base (5) in a penetrating manner, the reset springs (4) are installed on the outer surfaces of the two rods of the double-end connecting rod (6) in a nested manner, the front end of the double-end connecting rod (6) is fixedly provided with the roller bracket (3) through the nut (2), and the two ends of the roller bracket (3) are fixedly provided with the roller shaft (1) through the rotation of the nut (2);
the tail end of the double-head connecting rod (6) is fixedly provided with a connecting rod tail end fixing frame (7), and the rear lower end of the base (5) is fixedly connected with a switch fixing frame (8).
2. The dust and explosion proof mechanical bucket-lift off tracking switch of claim 1, wherein: the two ends of the connecting rod tail end fixing frame (7) are provided with a first through hole (101) and a second through hole (102) in sequence from left to right, and the connecting rod tail end fixing frame (7) is regarded as a rectangle.
3. The dust and explosion proof mechanical bucket-lift off tracking switch of claim 1, wherein: the reset springs (4) are symmetrically arranged in two groups on the vertical central axis of the base (5), and the roller bracket (3) and the base (5) form an elastic structure through the reset springs (4).
4. The dust and explosion proof mechanical bucket-lift off tracking switch of claim 1, wherein: the drum shaft (1) and the drum bracket (3) form a rotating structure, and the drum shaft (1) is rectangular in overlook view.
5. The dust and explosion proof mechanical bucket-lift off tracking switch of claim 1, wherein: the base (5) is rectangular in elevation, and mounting holes are formed in the periphery of the base (5).
6. The dust and explosion proof mechanical bucket-lift off tracking switch of claim 1, wherein: the inner side of the switch fixing frame (8) is fixedly provided with a travel switch (9), and a rocker arm of the travel switch (9) is contacted with the connecting rod tail end fixing frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322685220.XU CN220765663U (en) | 2023-10-08 | 2023-10-08 | Dustproof and explosion-proof mechanical bucket-lifting off-tracking switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322685220.XU CN220765663U (en) | 2023-10-08 | 2023-10-08 | Dustproof and explosion-proof mechanical bucket-lifting off-tracking switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220765663U true CN220765663U (en) | 2024-04-12 |
Family
ID=90598916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322685220.XU Active CN220765663U (en) | 2023-10-08 | 2023-10-08 | Dustproof and explosion-proof mechanical bucket-lifting off-tracking switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220765663U (en) |
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2023
- 2023-10-08 CN CN202322685220.XU patent/CN220765663U/en active Active
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