CN213057033U - Coal mine material conveying land boat capable of automatically braking - Google Patents
Coal mine material conveying land boat capable of automatically braking Download PDFInfo
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- CN213057033U CN213057033U CN202021991084.7U CN202021991084U CN213057033U CN 213057033 U CN213057033 U CN 213057033U CN 202021991084 U CN202021991084 U CN 202021991084U CN 213057033 U CN213057033 U CN 213057033U
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- coal mine
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- 239000000463 material Substances 0.000 title claims abstract description 37
- 239000003245 coal Substances 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000003921 oil Substances 0.000 claims description 16
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004146 energy storage Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a colliery material transportation land boat that can autobrake belongs to coal mine transportation system's manufacturing and designing field. It includes: the land boat body is provided with a containing cavity for containing materials; the speed detection device is used for detecting the moving speed of the land boat body; the braking device is fixed on the land boat body and used for braking the land boat body, and the braking device comprises a hydraulic transmission mechanism or a pneumatic transmission mechanism or an electric transmission mechanism; and the control device controls the brake device to start or stop according to the detection signal of the speed detection device. The utility model provides a current colliery fortune relatively poor problem of security performance of material land boat.
Description
Technical Field
The utility model relates to a coal mine transportation system's manufacturing and designing field, in particular to colliery material transportation land boat that can autobrake.
Background
The underground coal mine transportation system mainly comprises a belt conveyor, a scraper conveyor and a trackless rubber-tyred vehicle, wherein the belt conveyor and the scraper conveyor are used for conveying raw coal and gangue in general, and the trackless rubber-tyred vehicle is used for transporting supporting materials and equipment accessories to a working surface. When the working surface is normally tunneled, the supporting materials and equipment accessories can only be conveyed to a stock ground away from the working surface by a trackless rubber-tyred vehicle, and the supporting materials and equipment accessories need to be conveyed to the working surface by manpower or a land boat. The dry boat as a material transporting device generally comprises a winch, a pulley, a steel wire rope and a dry boat, wherein the winch provides power, and the steel wire rope pulls the dry boat filled with materials to the corresponding position of a working surface through the pulley, so that the materials are transported. The land boat is mainly formed by welding iron plates, has simple structure and convenient application, and is widely applied to the fully mechanized coal mining face.
The conventional land boat has no braking performance in the running process, once the steel wire rope is broken or the fixed pulley falls off and the like, the land boat can slide down along the cut hole in the running process of the land boat, and the land boat carries materials or equipment accessories, so that the running speed is higher and higher in the sliding down process, the lower equipment can be seriously damaged or casualties can be caused by the collision with a lower working face, and the safety is poor. Therefore, the technical problem to be solved urgently by technical personnel in the field is to provide the coal mine material-transporting land boat with higher safety performance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is the relatively poor problem of security performance of present dry boat for coal mine material transportation.
To the technical problem mentioned above, the utility model provides a following technical scheme:
an auto-braking coal mine material handling land craft comprising: the land boat body is provided with a containing cavity for containing materials; the speed detection device is used for detecting the moving speed of the land boat body; the braking device is fixed on the land boat body and used for braking the land boat body, and the braking device comprises a hydraulic transmission mechanism or a pneumatic transmission mechanism or an electric transmission mechanism; and the control device controls the brake device to start or stop according to the detection signal of the speed detection device.
In some embodiments of the present application, the braking device is a hydraulic transmission mechanism, and the hydraulic transmission mechanism includes: the oil cylinder is fixed on the land boat body, and a piston rod of the oil cylinder can extend out of the lower end face of the land boat body downwards; the first energy accumulator is used for driving a piston rod of the oil cylinder to move, and hydraulic oil with set pressure is arranged in the first energy accumulator; and the first electromagnetic valve is positioned on a pipeline between the first energy accumulator and the oil cylinder, and the first electromagnetic valve is controlled by the control device to open or close the pipeline between the first energy accumulator and the oil cylinder.
In some embodiments of the present application, the hydraulic transmission mechanism further includes an anti-slip seat, the anti-slip seat is fixed to the end portion of the piston rod of the oil cylinder, the anti-slip seat includes a seat body detachably connected to the piston rod and a plurality of anti-slip arms extending from the seat body.
In some embodiments of the present application, the braking device is a pneumatic transmission mechanism, and the pneumatic transmission mechanism includes: the cylinder is fixed on the dry boat body, and a piston rod of the cylinder can extend out of the lower end face of the dry boat body downwards; the second accumulator is used for driving a piston rod of the air cylinder to move, and gas with set pressure is arranged in the second accumulator; and the second electromagnetic valve is positioned on a pipeline between the second energy accumulator and the cylinder, and the second electromagnetic valve opens or closes the pipeline between the second energy accumulator and the cylinder under the control of the control device.
In some embodiments of the present application, the braking device is an electric transmission mechanism, and the electric transmission mechanism includes: the brake arm can extend out of the lower end face of the dry boat body downwards under the action of the drive motor.
In some embodiments of the present application, the driving motor is a rotating motor, and a screw nut transmission mechanism is disposed between the rotating motor and the brake arm to convert a rotating torque of the rotating motor into a linear movement of the brake arm.
In some embodiments of this application, the whole shaping of dry boat body is the cuboid, the dry boat body sets up at least one slide rail along its slip direction, arresting gear set up in on the slide rail.
In some embodiments of the application, the land boat body is symmetrically provided with two slide rails, and at least two braking devices are arranged on each slide rail at intervals.
In some embodiments of the present application, the speed detecting device is a speed sensor fixedly connected to the land craft.
The technical scheme of the utility model prior art relatively has following technological effect:
the utility model provides an among the colliery fortune material drought ship that can automatic braking, through setting up speed detection device and detecting the drought boat speed, controlling means accepts the drought boat speed that speed detection device detected, when drought boat functioning speed surpassed and set for speed, controlling means then controlled arresting gear moves, controls hydraulic drive mechanism or pneumatic drive mechanism or electric drive mechanism action promptly and takes place the friction with ground, finally makes the drought boat braking.
Drawings
The objects and advantages of the present invention will be understood from the following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a front view of an embodiment of the coal mine material conveying dry boat of the present invention capable of automatic braking;
fig. 2 is a top view of an embodiment of the coal mine material carrying land boat of the present invention capable of automatic braking;
FIG. 3 is a schematic structural view of the oil cylinder part of the coal mine material transporting dry boat capable of automatic braking according to the present invention;
FIG. 4 is another schematic structural view of the oil cylinder part of the coal mine material transporting dry boat capable of automatic braking according to the present invention;
fig. 5 is a front view of another embodiment of the self-braking coal mine material handling dry boat of the present invention;
fig. 6 is the structure schematic diagram of the electric transmission mechanism in the coal mine material transporting drought ship capable of automatically braking.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The following is the utility model provides a can automatic braking colliery fortune material dry boat's embodiment, it is shown with reference to fig. 1, 2 that this dry boat includes: the land boat comprises a land boat body 100 with a containing cavity for containing materials, a speed detection device 200 for detecting the moving speed of the land boat body 100, a braking device fixed on the land boat body 100 and a control device, wherein the control device controls the braking device to start or stop according to a detection signal of the speed detection device 200.
Wherein, the braking device is used for braking the land boat body 100, and the braking device comprises a hydraulic transmission mechanism 300, a pneumatic transmission mechanism 400 or an electric transmission mechanism 500.
When a steel wire rope connected with the land boat is broken or the fixed pulley falls off, the land boat is out of control in speed and rapidly slides downwards, at the moment, the control device receives the land boat speed detected by the speed detection device 200, and when the running speed of the land boat exceeds a set speed, the control device controls the running of the braking device, namely the hydraulic transmission mechanism 300 or the pneumatic transmission mechanism 400 or the electric transmission mechanism 500 is controlled to be started to rub with the ground, and finally the land boat is braked.
Specifically, the speed detecting device 200 is a speed sensor fixedly connected to the tail of the land boat.
Specifically, the dry boat body 100 is integrally formed into a cuboid, two slide rails 101 are arranged on the dry boat body 100 along the sliding direction of the dry boat body, and at least one braking device is arranged on each slide rail 101.
The above-described embodiments of the braking device are not exclusive, and the structures and operations of the hydraulic transmission mechanism 300, the pneumatic transmission mechanism 400, and the electric transmission mechanism 500 are described below.
< hydrodynamic transmission mechanism 300>
As shown in fig. 2, 3 and 4, in particular, the hydraulic transmission mechanism 300 includes a cylinder 301 fixed to the upland ship body 100, a first accumulator 302 for providing hydraulic pressure, and a first solenoid valve 304 on a pipeline between the first accumulator 302 and the cylinder 301.
Wherein, the piston rod of hydro-cylinder 301 is along the perpendicular to the direction of terminal surface removes under the dry boat body 100, high-pressure hydraulic oil has been stored in the first energy storage ware 302, and when dry boat speed exceeded the setting value, controlling means control first solenoid valve 304 is opened first energy storage ware 302 with pipeline between the hydro-cylinder 301, the high-pressure hydraulic oil of first energy storage ware 302 promotes the piston rod of hydro-cylinder 301 slides until forming frictional force with ground contact and makes the dry boat begins to slow down.
Specifically, first energy storage ware 302 detachably connect in the downside of land boat body 100, after the braking of land boat, the hydraulic oil release of first energy storage ware 302, at this moment, change new the braking that has high-pressure hydraulic oil next can be realized to first energy storage ware 302, adopt the energy storage ware structure of can dismantling the connection, can make this hydraulic drive mechanism 300's simple structure, avoid the weight of land boat too big.
Specifically, in order to increase the friction force of the braking device, the hydraulic transmission mechanism 300 further includes an anti-slip seat 303, the anti-slip seat 303 is fixed at the end of the piston rod of the cylinder 301, the anti-slip seat 303 includes a seat body 3031 detachably connected to the piston rod and a plurality of anti-slip arms 3032 extending out of the seat body 3031, and in order to avoid generating loud noise and serious abrasion when the braking device of a metal part contacts with the ground during high-speed movement of the land boat, the anti-slip arms 3032 are made of non-metal wear-resistant materials, such as wear-resistant rubber, polyurethane, polyethylene, and the like.
Specifically, the oil cylinder 301 is fixed on the slide rail 101 of the land boat body 100 through a fixing plate 305. In order to further increase the braking force, four hydraulic transmission mechanisms 300 are symmetrically arranged on the land boat body 100, which can stably brake the land boat body 100.
< pneumatic actuator 400>
The pneumatic transmission mechanism 400 includes: a cylinder 401 fixed on the land boat body 100, a second accumulator 402 for driving the piston rod of the cylinder 401 to move, and a second electromagnetic valve 404 on the pipeline between the second accumulator 402 and the cylinder 401.
The piston rod of the cylinder 401 moves along the direction perpendicular to the lower end face of the land boat body 100, high-pressure gas is stored in the second energy accumulator 402, when the speed of the land boat exceeds a set value, the control device controls the second electromagnetic valve 404 to open a pipeline between the second energy accumulator 402 and the oil cylinder 301, and the high-pressure gas of the second energy accumulator 402 pushes the piston rod of the cylinder 401 to slide until the piston rod contacts with the ground to form friction force so that the land boat starts to decelerate.
The structure and principle of the pneumatic transmission mechanism 400 are similar to those of the hydraulic transmission mechanism 300, and in order to improve the friction force or improve the braking stability, the pneumatic transmission mechanism 400 may be provided with the anti-slip seat 303 and other components included in the hydraulic transmission mechanism 300, which are similar to each other in structure and action principle and therefore will not be described herein again.
< electric actuator 500>
As shown in fig. 5 and 6, the electric transmission mechanism 500 includes a driving motor 501 fixed to the dry boat and a brake arm 502, and the brake arm 502 can extend downward out of the lower end surface of the dry boat body 100 under the action of the driving motor 501.
In one embodiment, as shown in fig. 6, the driving motor 501 is a linear motor, which is fixed on the left and right sides of the dry boat body 100, and its output shaft directly drives the braking arm 502 to move in a direction perpendicular to the lower side of the dry boat body 100, so that the braking arm 502 contacts with the ground to form friction force to realize braking.
In order to increase the friction force of the braking device, the electric transmission mechanism 500 further includes a brake seat 503, the brake seat 503 is fixed at the end of the brake arm 502, the brake seat 503 includes a brake seat 5031 detachably connected with the brake arm 502 and a plurality of brake arms 5032 extending out of the brake seat 5031, and the brake arms 5032 are made of wear-resistant nonmetal material, such as wear-resistant rubber, polyurethane, polyethylene, and the like.
In another embodiment, a rotary motor is used as the driving motor 501, and a screw nut transmission mechanism (not shown) is disposed between the rotary motor and the brake arm 502 to convert the rotation torque of the rotary motor into the linear movement of the brake arm 502.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. A coal mine material conveying dry boat capable of automatically braking is characterized by comprising:
the land boat body is provided with a containing cavity for containing materials;
the speed detection device is used for detecting the moving speed of the land boat body;
the braking device is fixed on the land boat body and used for braking the land boat body, and the braking device comprises a hydraulic transmission mechanism or a pneumatic transmission mechanism or an electric transmission mechanism;
and the control device controls the brake device to start or stop according to the detection signal of the speed detection device.
2. An autobrazable coal mine material handling land boat as recited in claim 1, wherein said braking means is a hydraulic drive mechanism comprising:
the oil cylinder is fixed on the land boat body, and a piston rod of the oil cylinder can extend out of the lower end face of the land boat body downwards;
the first energy accumulator is used for driving a piston rod of the oil cylinder to move, and hydraulic oil with set pressure is arranged in the first energy accumulator;
and the first electromagnetic valve is positioned on a pipeline between the first energy accumulator and the oil cylinder, and the first electromagnetic valve is controlled by the control device to open or close the pipeline between the first energy accumulator and the oil cylinder.
3. The coal mine material conveying dry boat capable of automatically braking as claimed in claim 2, wherein the hydraulic transmission mechanism further comprises an anti-slip seat, the anti-slip seat is fixed at the end of the piston rod of the oil cylinder, and the anti-slip seat comprises a seat body detachably connected with the piston rod and a plurality of anti-slip arms extending out of the seat body.
4. An autobrazable coal mine material handling dry boat as claimed in claim 1, wherein said brake means is a pneumatic actuator comprising:
the cylinder is fixed on the dry boat body, and a piston rod of the cylinder can extend out of the lower end face of the dry boat body downwards;
the second accumulator is used for driving a piston rod of the air cylinder to move, and gas with set pressure is arranged in the second accumulator;
and the second electromagnetic valve is positioned on a pipeline between the second energy accumulator and the cylinder, and the second electromagnetic valve opens or closes the pipeline between the second energy accumulator and the cylinder under the control of the control device.
5. An autobrazable coal mine material handling dry boat as claimed in claim 1, wherein said brake means is an electric actuator comprising:
the brake arm can extend out of the lower end face of the dry boat body downwards under the action of the drive motor.
6. An autobramable coal mine material handling dry boat as claimed in claim 5, wherein said drive motor is a rotary motor, and a lead screw nut transmission mechanism is provided between said rotary motor and said brake arm to convert the rotational torque of said rotary motor into linear movement of said brake arm.
7. The coal mine material transportation dry boat capable of automatically braking as claimed in claim 1, wherein the dry boat body is integrally formed into a cuboid, at least one sliding rail is arranged on the dry boat body along the sliding direction of the dry boat body, and the braking device is arranged on the sliding rail.
8. An autobrake coal mine material conveying dry boat as claimed in claim 7, wherein said dry boat body is symmetrically provided with two said skid rails, and at least two said brake devices are provided on each said skid rail at intervals.
9. An autobramable coal mine material handling dry boat as claimed in claim 1, wherein said speed sensing means is a speed sensor fixedly attached to said dry boat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021991084.7U CN213057033U (en) | 2020-09-11 | 2020-09-11 | Coal mine material conveying land boat capable of automatically braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021991084.7U CN213057033U (en) | 2020-09-11 | 2020-09-11 | Coal mine material conveying land boat capable of automatically braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213057033U true CN213057033U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021991084.7U Active CN213057033U (en) | 2020-09-11 | 2020-09-11 | Coal mine material conveying land boat capable of automatically braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213057033U (en) |
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2020
- 2020-09-11 CN CN202021991084.7U patent/CN213057033U/en active Active
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