CN215624672U - Belt feeder tail guard shield - Google Patents
Belt feeder tail guard shield Download PDFInfo
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- CN215624672U CN215624672U CN202022954300.7U CN202022954300U CN215624672U CN 215624672 U CN215624672 U CN 215624672U CN 202022954300 U CN202022954300 U CN 202022954300U CN 215624672 U CN215624672 U CN 215624672U
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- base
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- top cover
- belt
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Abstract
The utility model discloses a belt conveyor tail shield which comprises a base and a shield, wherein the shield comprises a shield top cover, and two sides of the shield top cover are provided with flexible side guard plates; one end of the shield top cover is rotatably connected to one end of the base, and the other end of the shield top cover is connected to the other end of the base through a compression mechanism; the upper end of the flexible side guard plate is fixedly connected with the shield top cover, and the lower end of the flexible side guard plate is connected with the base. The belt conveyor tail protective cover has scalability, avoids the damage of the belt conveyor tail protective cover, and simultaneously ensures the protective performance of the belt conveyor tail protective cover.
Description
Technical Field
The utility model relates to the technical field of belt conveyor machines, in particular to a belt conveyor tail shield.
Background
The belt conveyor is a short for belt conveyor. According to the requirements of coal mine safety regulations, a belt conveyor tail must be provided with a protective cover to control the risks of injury and damage to people caused by the exposure of a rotary part of a conveyor tail roller. The belt conveyor is provided with a tail shield when leaving a factory, and the belt conveyor plays a good protection role. The current tail shield is a hard shield.
The underground tunneling roadway is uneven, particularly the underground crossheading is tunneled along a coal seam, the roadway is large in undulation when meeting a geological structure zone, and at a concave point slope changing point, the tunneling machine is easy to press the tail of the belt conveyor in the tunneling and retreating process, so that the rigid protective cover of the tail of the belt conveyor is damaged. In order to avoid damage, the flexible tail shield is generally manufactured by waste belts at present, although the shield with the structure avoids the condition that the belt shield is damaged when the tail of the press is pressed, the protective performance of the flexible belt shield cannot meet the expected requirement, and the belt can be damaged.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a belt conveyor tail guard which has scalability, avoids damage to the belt conveyor tail guard, and ensures the protection performance of the belt conveyor tail guard.
In order to achieve the purpose, the utility model provides the following technical scheme:
a belt conveyor tail shield comprises a base and a shield, wherein the shield comprises a shield top cover, and flexible side guard plates are arranged on two sides of the shield top cover; one end of the shield top cover is rotatably connected to one end of the base, and the other end of the shield top cover is connected to the other end of the base through a compression mechanism; the upper end of the flexible side guard plate is fixedly connected with the shield top cover, and the lower end of the flexible side guard plate is connected with the base.
Optionally, the compressing mechanism includes a guide rod, one end of the guide rod is rotatably connected to the shield top cover, and the other end of the guide rod is slidably connected in the guide mechanism of the base; the telescopic spring is sleeved on the guide rod, one end of the telescopic spring is fixedly connected with the rotating connecting end of the guide rod, and the other end of the telescopic spring is fixedly connected onto the base.
Optionally, the compressing mechanism includes a guide rod, the inner side surface of the shield top cover is fixedly connected with a base, one end of the guide rod is rotatably connected to the base, and the other end of the guide rod is slidably connected in the guide mechanism of the base; the telescopic spring is sleeved on the guide rod, one end of the telescopic spring is fixedly connected to the base, and the other end of the telescopic spring is fixedly connected to the base.
Optionally, the guiding mechanism includes direction via hole and stand pipe, the direction via hole sets up on the top surface of base, the stand pipe rotates to be connected the direction via hole position, the stand pipe sets up the top surface of base is kept away from one side of guard shield top cap, the tip of guide bar passes direction via hole sliding connection be in the lumen of stand pipe.
Optionally, the guide tube is rotatably connected to the base through a first rotating shaft, and the first rotating shaft is parallel to a second rotating shaft of the guide rod.
Optionally, a sensor cavity is arranged in the base, and the guide tube is arranged in the sensor cavity; the guide pipe is a pipe body with openings at two ends, the guide pipe is arranged at one end inside the sensor cavity and corresponds to an emergency stop sensor, and the emergency stop sensor is arranged in the sensor cavity.
Optionally, the emergency stop sensor includes an emergency stop switch, an induction pressing plate is connected to a trigger button of the emergency stop switch, the guide tube is arranged right above the induction pressing plate, a signal transmission line is connected to the emergency stop switch, and the signal transmission line is connected to a belt protection emergency stop switch.
Optionally, the number of the compression mechanisms is two, and the two compression mechanisms are respectively arranged on two sides of the shield top cover.
Optionally, the compression mechanism comprises a telescopic spring, one end of the telescopic spring is connected to the shield top cover, and the other end of the telescopic spring is connected to the base.
Optionally, the flexible skirt is a rubber sheet.
According to the belt tail protective cover provided by the utility model, one end of the protective cover top cover is rotatably connected to one end of the base, the other end of the protective cover top cover is connected to the other end of the base through the compression mechanism, the flexible side protection plates are arranged on two sides of the protective cover top cover, so that the belt tail protective cover has scalability, the belt tail protective cover has a certain compressible distance when being extruded by external force, the tunneling operation is not influenced in a certain range, the tunneling working efficiency is improved, the damage of the belt tail protective cover is avoided, the protective performance of the belt tail protective cover is not reduced due to the hard structure of the protective cover top cover, and the service life of the protective cover top cover is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a connection structure of a base and a shield of a belt conveyor tail shield according to an embodiment of the present invention;
FIG. 2 is a schematic side cross-sectional view of a belt tail shroud according to an embodiment of the present invention;
fig. 3 is a schematic front sectional view of a belt tail shroud according to an embodiment of the present invention.
Detailed Description
The utility model discloses a belt conveyor tail shield which is telescopic, avoids the damage of the belt conveyor tail shield and ensures the protection performance of the belt conveyor tail shield.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a belt conveyor tail shield, which includes a base 1 and a shield. The guard shield includes guard shield top cap 2, and the both sides of guard shield top cap 2 are provided with flexible side guard plate 3. One end of the shield top cover 2 is rotatably connected to one end of the base 1, and the other end is connected to the other end of the base 1 through a compression mechanism. The upper end of the flexible side guard plate 3 is fixedly connected with the shield top cover 2, and the lower end is connected with the base 1.
Wherein, the shield top cover 2 is a hard arc-shaped plate made of metal. The guard shield sets up the upper surface at base 1, and guard shield top cap 2 rotates through the round pin axle to be connected on base 1.
According to the belt tail protective cover, one end of the protective cover top cover 2 is rotatably connected to one end of the base 1, the other end of the protective cover top cover is connected to the other end of the base 1 through the compression mechanism, the flexible side protection plates 3 are arranged on two sides of the protective cover top cover 2, so that the belt tail protective cover is flexible, the belt tail protective cover has a certain compressible distance when being extruded by external force, tunneling operation is not influenced in a certain range, the tunneling working efficiency is improved, the damage of the belt tail protective cover is avoided, the protective performance of the belt tail protective cover is not reduced due to the fact that the protective cover top cover 2 is of a hard structure, and the service life of the protective cover top cover 2 is prolonged.
In a specific embodiment, the compression mechanism comprises a guide rod 7, one end of the guide rod 7 is rotatably connected to the shield top cover 2, and the other end is slidably connected to the base 1 in the guide mechanism. In order to realize the telescopic effect, the guide rod 7 is sleeved with a telescopic spring 8, one end of the telescopic spring 8 is fixedly connected to the rotating connecting end of the guide rod 7, and the other end of the telescopic spring is fixedly connected to the base 1. The guide rod 7 is used for guiding the telescopic spring 8, and structural instability caused by distortion deformation of the telescopic spring 8 in the telescopic process is avoided. In the initial state, i.e. when the shield is not subjected to an external force, the extension spring 8 is in a natural state.
In another embodiment, the compressing mechanism comprises a guiding rod 7, the inner side surface of the shield top cover 2 is fixedly connected with a base 6, one end of the guiding rod 7 is rotatably connected on the base 6, and the other end is slidably connected in the guiding mechanism of the base 1. Or the base 6 and the guide rod 7 are of an integral structure, and the base 6 is rotatably connected to the inner side surface of the shield top cover 2. The guide rod 7 is sleeved with an expansion spring 8, one end of the expansion spring 8 is fixedly connected to the base 6, and the other end of the expansion spring 8 is fixedly connected to the base 1.
Wherein, the guiding mechanism comprises a guiding through hole 4 and a guiding pipe 9. The guide through hole 4 is arranged on the top surface of the base 1, the guide pipe 9 is rotatably connected to the guide through hole 4, the guide pipe 9 is arranged on one side, away from the shield top cover 2, of the top surface of the base 1, and the end portion of the guide rod 7 penetrates through the guide through hole 4 to be slidably connected into a pipe cavity of the guide pipe 9. A sensor cavity 5 is arranged in the base 1, and a guide pipe 9 is arranged in the sensor cavity 5. The guide pipe 9 and the guide rod 7 are rotatably connected, so that the position compensation in the rotating process of the shield top cover 2 can be adapted, and the guide rod 7 is prevented from being blocked or stressed in the guide pipe 9 in the compression process.
Further, the guide pipe 9 is rotatably connected to the base 1 through a first rotating shaft, and the first rotating shaft is arranged in parallel with a second rotating shaft of the guide rod 7, so that the guide pipe 9 is ensured not to influence the rotation of the guide rod 7. Specifically, first pivot is including the first minute axle and the second minute axle of coaxial setting, first minute axle rotates one side of stand pipe 9 and connects on the lateral wall of one side of direction via hole 4, the second minute axle rotates the opposite side of stand pipe 9 and connects on the opposite side lateral wall of direction via hole 4.
Specifically; the stand pipe 9 is both ends open-ended body, and the one end that the stand pipe 9 set up in sensor cavity 5 inside corresponds the setting with an emergency stop sensor, the emergency stop sensor sets up in sensor cavity 5. Through the structure, when the guide rod 7 slides in the guide pipe 9, the end part of the guide rod 7 can slide out of the guide pipe 9 to trigger the emergency stop sensor, so that when the tail of the belt conveyor is subjected to secondary conveying pressure exceeding a certain range, the guide rod 7 triggers the emergency stop sensor to stop the belt in time, and the belt surface of the belt is prevented from being damaged.
Wherein, scram sensor includes scram switch 11, is connected with response clamp plate 10 on scram switch 11's the trigger button, and stand pipe 9 sets up directly over the response clamp plate 10 to guide bar 7 stretches out stand pipe 9 and presses response clamp plate 10. The emergency stop switch 11 is connected with a signal transmission line 12, and the signal transmission line 12 is connected with a belt protection emergency stop switch. When the shield top cover 2 is rotated under pressure, the guide rod 7 descends under the guide of the guide pipe 9, the guide rod 7 presses the induction pressing plate 10 after descending to a certain distance, the emergency stop switch 11 acts, and the belt stops. The signal transmission line 12 and the emergency stop switch 11 are connected in a plug-in mode, so that the tail of the belt conveyor can be conveniently detached, and the signal transmission line 12 is connected with the belt protection emergency stop switch to realize emergency stop of the belt.
In order to guarantee the stress stability of the shield top cover 2, the compression mechanisms are provided with two compression mechanisms which are respectively arranged on two sides of the shield top cover 2, and one compression mechanism is prevented from influencing the stress stability of the shield top cover 2.
In other embodiments, the compression mechanism comprises a telescoping spring 8, and one end of the telescoping spring 8 is attached to the shield top cap 2 and the other end is attached to the base 1. Although the shield top cover 2 can be returned in this way, the structural stability of the whole structure is poor, the shield top cover 2 is easy to shake in the stressed rotating process, and the using effect is poor compared with the embodiment.
It is understood that the flexible skirt 3 is a rubber plate, but may be a flexible plate made of other materials, and is not limited herein as long as it does not affect the compression rotation and the return of the shield top cover 2.
According to the belt conveyor tail shield, when the second heading machine is used for pressing the belt conveyor tail shield, the shield top cover 2 descends, the extension spring 8 is compressed, the guide rod 7 descends through the guide through hole 4 of the compression mechanism and descends under the guide of the guide pipe 9, the guide rod 7 presses the induction pressing plate 10 after descending to a certain distance, the emergency stop switch 11 acts, and a belt stops. The staff in time handles relevant problem, and after the pressure of two fortune to belt tail guard shields was relieved, guard shield top cap 2 reconversion under expanding spring 8's effect.
The belt conveyor tail protective cover provided by the utility model has the advantages that the belt conveyor tail protective cover is flexible by arranging the compression mechanism, the damage to the belt conveyor tail protective cover is avoided, and meanwhile, the protective performance of the belt conveyor tail protective cover is not reduced. Through setting up scram inductor, receive two fortune pressure at the belt tail and exceed certain restrictions, influence the belt operation back, can in time stop the belt, the protection area face. The belt conveyor tail protective cover has a certain compressible distance, does not influence tunneling operation within a distance range, and improves the tunneling working efficiency.
In the description of the present solution, it is to be understood that the terms "upper", "lower", "vertical", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present solution.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A belt conveyor tail shield comprises a base and a shield, and is characterized in that the shield comprises a shield top cover, and flexible side guard plates are arranged on two sides of the shield top cover; one end of the shield top cover is rotatably connected to one end of the base, and the other end of the shield top cover is connected to the other end of the base through a compression mechanism; the upper end of the flexible side guard plate is fixedly connected with the shield top cover, and the lower end of the flexible side guard plate is connected with the base;
the compression mechanism comprises a guide rod, one end of the guide rod is rotatably connected to the top cover or the base of the shield, and the other end of the guide rod is slidably connected into the guide mechanism of the base;
the guide mechanism comprises a guide through hole and a guide pipe, the guide through hole is formed in the top surface of the base, the guide pipe is rotatably connected to the position of the guide through hole, and the end of the guide rod penetrates through the guide through hole and is connected into a pipe cavity of the guide pipe in a sliding mode; the guide pipe is rotatably connected to the base through a first rotating shaft, and the first rotating shaft is parallel to a second rotating shaft of the guide rod.
2. The belt conveyor tail guard according to claim 1, wherein the guide bar is sleeved with a telescopic spring, one end of the telescopic spring is fixedly connected to the rotation connecting end of the guide bar, and the other end of the telescopic spring is fixedly connected to the base.
3. The belt tail guard of claim 1, wherein the base is fixedly attached to an inside surface of the guard top cap.
4. The belt tail hood of claim 1, wherein the guide tube is disposed on a side of the top surface of the base away from the hood top cover.
5. The belt tail guard of claim 1, wherein a sensor cavity is disposed within the base, the guide tube being disposed within the sensor cavity; the guide pipe is a pipe body with openings at two ends, the guide pipe is arranged at one end inside the sensor cavity and corresponds to an emergency stop sensor, and the emergency stop sensor is arranged in the sensor cavity.
6. The belt conveyor tail hood of claim 5, wherein the emergency stop sensor comprises an emergency stop switch, an induction pressing plate is connected to a trigger button of the emergency stop switch, the guide pipe is arranged right above the induction pressing plate, a signal transmission line is connected to the emergency stop switch, and the signal transmission line is connected with a belt protection emergency stop switch.
7. The belt tail hood of claim 1, wherein there are two of the compression mechanisms, two of the compression mechanisms being disposed on either side of the hood top cover.
8. The belt tail hood of claim 1, wherein the compression mechanism comprises a telescoping spring connected at one end to the hood top cover and at another end to the base.
9. The belt tail guard of claim 1, wherein the flexible skirt is a rubber sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022954300.7U CN215624672U (en) | 2020-12-08 | 2020-12-08 | Belt feeder tail guard shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022954300.7U CN215624672U (en) | 2020-12-08 | 2020-12-08 | Belt feeder tail guard shield |
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| Publication Number | Publication Date |
|---|---|
| CN215624672U true CN215624672U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022954300.7U Active CN215624672U (en) | 2020-12-08 | 2020-12-08 | Belt feeder tail guard shield |
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| Country | Link |
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| CN (1) | CN215624672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516523A (en) * | 2022-01-27 | 2022-05-20 | 淮北矿业股份有限公司 | Improvement method of emergency stop locking device for belt conveyor tail |
-
2020
- 2020-12-08 CN CN202022954300.7U patent/CN215624672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516523A (en) * | 2022-01-27 | 2022-05-20 | 淮北矿业股份有限公司 | Improvement method of emergency stop locking device for belt conveyor tail |
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