CN110834966A - Stacker-reclaimer cantilever anticollision detection device and have its stacker-reclaimer cantilever - Google Patents
Stacker-reclaimer cantilever anticollision detection device and have its stacker-reclaimer cantilever Download PDFInfo
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- CN110834966A CN110834966A CN201911266985.1A CN201911266985A CN110834966A CN 110834966 A CN110834966 A CN 110834966A CN 201911266985 A CN201911266985 A CN 201911266985A CN 110834966 A CN110834966 A CN 110834966A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/28—Piling or unpiling loose materials in bulk, e.g. coal, manure, timber, not otherwise provided for
Abstract
The invention provides a stacker-reclaimer cantilever anti-collision detection device and a stacker-reclaimer cantilever with the same, belonging to the technical field of cantilever anti-collision detection, wherein the stacker-reclaimer cantilever anti-collision detection device comprises: the support rod swings towards two sides relative to the axial sliding block, and the second elastic piece has a biasing force for driving the support rod to swing towards the middle position; the anti-collision detection device for the cantilever of the stacker-reclaimer is arranged on at least one side edge of the cantilever of the stacker-reclaimer, when the cantilever is impacted in the rotating process, an arc-shaped swing frame of the anti-collision detection device is firstly contacted with an obstacle, and a signal is sent to a controller by triggering a corresponding position sensor, so that the cantilever can be stopped in time, and accidents are avoided.
Description
Technical Field
The invention relates to the technical field of cantilever anti-collision detection, in particular to a stacker-reclaimer cantilever anti-collision detection device and a stacker-reclaimer cantilever with the same.
Background
The stacker-reclaimer includes: the large-scale bulk material conveying equipment is used for loading and unloading bulk materials such as coal, iron ore and the like. The stacker-reclaimer realizes operation at different heights in different areas of a storage yard by means of the actions of mechanisms such as cart walking, cantilever rotation, cantilever pitching and the like; in the rotation process of the cantilever, if the cantilever collides with a material pile, the material pile is easily collapsed, the cantilever is buried and pressed, equipment is even damaged, and normal production is affected, so that a cantilever anti-collision protection device needs to be arranged.
The existing cantilever anti-collision protection device generally adopts a pull-cord switch type or a laser scanning type. A pull-cord switch type anti-collision device is characterized in that ground anchor switches are arranged at the front end and the rear end of a cantilever, the front switch and the rear switch are connected through a steel wire rope, when the cantilever collides a material pile, the steel wire rope is tensioned, and the ground anchor switches perform limiting actions so as to send an impact signal; however, the cantilever of the stacker-reclaimer is long, generally ranges from 20 meters to 60 meters, the steel wire rope generates a drooping arc line due to the gravity of the steel wire rope and cannot be in a completely tensioned state, when the cantilever impacts a material pile, the shape of the steel wire rope is changed by the extrusion of the material pile from a drooping section, the deformation direction of the steel wire rope is changed from vertical downward bending to horizontal bending towards the cantilever direction, and the ground anchor switch is pulled after the horizontal direction is completely tightened; in many cases, particularly in the stacker-reclaimer with the cantilever length of more than 40 meters, because the drop section of the steel wire rope is long, the material pile already collides with the cantilever steel structure before the action of opening and closing the ground anchor, and the protection effect is not achieved. And laser scanner collision avoidance uses the import brand to give first place to at present, and the price is very high, and in addition, dust concentration is very big in the bulk cargo stock ground, and the material powder can glue laser emission device on, thereby leads to scanner inefficacy can't realize collision avoidance.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the cantilever anti-collision protection device in the prior art cannot perform anti-collision detection in time, so that the invention provides the stacker-reclaimer cantilever anti-collision detection device and the stacker-reclaimer cantilever with the anti-collision detection device.
In order to solve the above technical problem, the present invention provides a stacker-reclaimer cantilever anti-collision detection device, including:
the mounting bracket is suitable for being vertically mounted at one end on the side edge of a cantilever of the stacker-reclaimer;
the axial sliding block is connected with the mounting bracket in a sliding manner; a first elastic piece is arranged between the axial sliding block and the mounting bracket, and the first elastic piece has a biasing force for driving the axial sliding block to slide towards a direction away from the cantilever of the stacker-reclaimer; an axial position sensor is arranged between the axial sliding block and the mounting bracket;
the arc swing frame is provided with an arc rod and a support rod perpendicular to the inner arc surface of the arc rod, and the support rod is hinged to the axial sliding block; a second elastic piece is arranged between the support rod and the axial sliding block, and when the support rod swings towards two sides relative to the axial sliding block, the second elastic piece has a biasing force for driving the support rod to swing towards a middle position; the supporting rod with be provided with radial position inductor between the axial sliding block, radial position inductor's receiving terminal has two that control side by side.
Preferably, the sensing end and the receiving end of the axial position sensor are in elastic contact when in contact.
Preferably, the receiving end of the axial position sensor is connected to the mounting bracket through a third elastic member.
Preferably, the sensing end of the axial position sensor is connected to the mounting bracket through a fourth elastic member.
Preferably, the sensing end and the receiving end of the radial position sensor are adapted to be resiliently coupled.
Preferably, two receiving ends of the radial position sensor are respectively connected to the axial sliding block through a fifth elastic element.
Preferably, the sensing end of the radial position sensor is connected to the supporting rod through a sixth elastic member, and when the supporting rod is in a balanced state, the sensing end of the radial position sensor is located in the middle of two receiving ends of the radial position sensor.
Preferably, the method further comprises the following steps: and the deflection supporting structures are elastically and slidably connected to the axial sliding blocks, are provided with two groups of bilateral symmetry, are respectively positioned on two sides of the bottom of the supporting rod and are suitable for being connected with the supporting rod in a swinging state in an abutting mode.
Preferably, the deflecting support structure includes:
the supporting seat is fixedly connected to the axial sliding block;
the supporting block can be elastically connected to the axial sliding block in a vertical sliding mode, is positioned above the supporting seat and is provided with a groove in the direction towards the supporting rod; the supporting rod is provided with a supporting plate extending out towards the groove direction of the supporting block.
The invention also provides a stacker-reclaimer cantilever, wherein at least one side of the cantilever is provided with a plurality of anti-collision detection devices in any one of the schemes at intervals.
The technical scheme of the invention has the following advantages:
1. the invention provides an anti-collision detection device for a cantilever of a stacker-reclaimer, which is arranged on at least one side edge of the cantilever of the stacker-reclaimer, when the cantilever is impacted in the rotating process, an arc-shaped swing frame of the anti-collision detection device is firstly contacted with an obstacle, and a corresponding position sensor is triggered through the relative change of the position between the arc-shaped swing frame of the anti-collision detection device and an axial sliding block and/or the relative change of the position between the axial sliding block and an installation support, so that a signal is sent to a controller, the cantilever can be stopped in time, and accidents are avoided.
2. The invention provides a cantilever anti-collision detection device of a stacker-reclaimer, which is used for avoiding the problem that a position sensor for detecting position change is in elastic contact with a receiving end when the position sensor detects, so that the sensor is damaged due to overlarge impact force.
3. The cantilever anti-collision detection device of the stacker-reclaimer, provided by the invention, is provided with the deflection support structure for supporting the support rod in a swinging state, so that the support rod can be prevented from swinging too much on one hand, and the support rod which is swung to one side can be strengthened to provide vertical support on the other hand, and the support rod is supported together with a hinge point of the support rod, so that the service life of the hinge point of the support rod is ensured.
4. According to the anti-collision detection device for the cantilever of the stacker-reclaimer, the supporting block of the deflection supporting structure is elastically connected to the axial sliding block in a sliding manner up and down, and when the supporting rod is pressed on the supporting block, the impulsive force of the supporting block can be properly offset, so that the deflection supporting structure is prevented from being damaged.
5. The stacker-reclaimer cantilever provided by the invention has any advantages of the anti-collision detection device due to the adoption of the anti-collision detection device.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of the mounting of the stacker-reclaimer cantilever collision avoidance detection device on a cantilever.
Fig. 2 is a front view of the stacker-reclaimer cantilever collision avoidance detection device of the present invention.
Fig. 3 is a schematic diagram of a state change of fig. 2.
Fig. 4 is an enlarged view of the area a in fig. 3.
Fig. 5 is an enlarged view of the region B in fig. 3.
Description of reference numerals:
1. a cantilever; 2. mounting a bracket; 3. an axial sliding block; 4. an arc swing frame; 5. a first elastic member; 6. an axial position sensor; 7. an arcuate bar; 8. a support bar; 9. a second elastic member; 10. a radial position sensor; 11. a third elastic member; 12. a fourth elastic member; 13. a fifth elastic member; 14. a sixth elastic member; 15. a supporting seat; 16. a support block; 17. and a support plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment provides a concrete implementation mode of a stacker-reclaimer cantilever collision avoidance detection device, as shown in fig. 1, the collision avoidance detection device can be symmetrically and vertically arranged on both sides of a stacker-reclaimer cantilever 1, and also can be only vertically arranged on a side edge of the stacker-reclaimer cantilever 1 where collision easily occurs, and a plurality of collision avoidance detection devices can be arranged at intervals on the same side of the cantilever 1.
As shown in fig. 2 and 3, the collision avoidance detecting device includes: a mounting bracket 2, an axial sliding block 3 and an arc-shaped swing frame 4. When the cantilever 1 is impacted in the rotating process, the arc-shaped swing frame 4 of the anti-collision detection device is firstly contacted with an obstacle, if the arc-shaped swing frame 4 is subjected to vertical axial force, the position between the axial sliding block 3 and the mounting bracket 2 can be relatively changed, the axial sliding block 3 moves towards the mounting bracket 2 along the axial direction, so that a corresponding position sensor is triggered, the position sensor sends a signal to the controller, the cantilever 1 can be stopped in time, and accidents are avoided; if what arc swing span 4 received is when the radial force of out of plumb, can make the position between arc swing span 4 and the axial sliding block 3 carry out relative change, make arc swing span 4 swing along the pin joint with axial sliding block 3 to trigger corresponding position inductor, make position inductor with signal transmission to controller, thereby make the stop that cantilever 1 can be timely, avoid the emergence accident. Moreover, if the radial force applied to the arc-shaped swing frame 4 is large, the position between the axial sliding block 3 and the mounting bracket 2 can be changed relatively when the arc-shaped swing frame 4 swings to the limit position.
The arc swing span 4 has arc pole 7 and with the perpendicular bracing piece 8 of intrados face of arc pole 7, bracing piece 8 hinged joint is in on the axial sliding block 3. In addition, the supporting rod 8 is divided into two parts which are connected in a sleeved mode, and a spring is arranged between the two parts and can generate a biasing force which enables the two parts to be away from each other; the upper half part of the support rod 8 is fixedly connected with the arc-shaped rod 7, and the lower half part of the support rod is connected with the radial position sensor 10; by means of the two parts in the form of a socket, a partial damping is provided when the arc-shaped rocking frame 4 is subjected to a vertical axial force.
The axial sliding block 3 is connected with the mounting bracket 2 in a sliding manner. A first elastic piece 5 is arranged between the axial sliding block 3 and the mounting bracket 2, and the first elastic piece 5 has a biasing force for driving the axial sliding block 3 to slide towards a direction far away from the stacker-reclaimer cantilever 1; first elastic component 5 can be elastic connecting rod, elastic connecting rod can be provided with a plurality ofly, and evenly distributed connects between installing support 2 and axial sliding block 3, in order to realize axial sliding block 3 with elastic sliding between the installing support 2.
As shown in fig. 4, an axial position sensor 6 is disposed between the axial sliding block 3 and the mounting bracket 2; the sensing end of the axial position sensor 6 is in elastic contact with the receiving end when in contact with the receiving end, the receiving end of the axial position sensor 6 is connected to the mounting support 2 through a third elastic piece 11, and the sensing end of the axial position sensor 6 is connected to the mounting support 2 through a fourth elastic piece 12. When the detection device is subjected to a vertical axial force, the axial sliding block 3 is stressed to move downwards, so that the sensing end of the axial position sensor 6 is driven to move downwards at the same time, and the sensing end of the axial position sensor is contacted with the receiving end; when the receiving end of the axial position sensor 6 is excessively stressed, the receiving end moves downward relative to the mounting bracket 2 against the elastic force of the third elastic member 11 connected thereto, thereby preventing damage to the axial position sensor 6. In addition, a fourth elastic element 12 is connected between the sensing end of the axial position sensor 6 and the axial sliding block 3, and is used for keeping a certain distance between the sensing end and the axial sliding block 3 when the axial position sensor is not stressed, so that certain buffering is provided when the axial sliding block is stressed; the mounting seat of the sensing end of the axial position sensor 6 is inserted into the axial sliding block 3, and a spring is arranged between the mounting seat and the axial sliding block 3, and the spring is used for providing a biasing force for keeping the mounting seat away from the axial sliding block 3, so that the spring is matched with the fourth elastic element 12, and the distance between the mounting seat and the axial sliding block 3 can be maintained.
As shown in fig. 5, a second elastic member 9 is provided between the support rod 8 and the axial sliding block 3, and when the support rod 8 swings toward both sides with respect to the axial sliding block 3, the second elastic member 9 has a biasing force that urges the support rod 8 to swing toward a middle position; a radial position sensor 10 is arranged between the support rod 8 and the axial sliding block 3, and two radial position sensors 10 are arranged at the receiving end of the radial position sensor 10 in parallel. The sensing and receiving ends of the radial position sensor 10 are adapted for resilient connection. Two receiving ends of the radial position sensor 10 are respectively connected to the axial sliding block 3 through a fifth elastic element 13. The response end of radial position inductor 10 is connected through sixth elastic component 14 on the bracing piece 8, sixth elastic component 14 can be for setting up the two-way torsional spring on bracing piece 8 and the articulated shaft of axial sliding block 3, can make through the torsional spring the response end of radial position inductor 10 can deflect at the too big messenger of atress, and when bracing piece 8 keeps balanced state, make the response end of radial position inductor 10 can elasticity return, keeps the intermediate position at two receiving terminals. In addition, as an alternative embodiment, the sixth elastic member 14 may be omitted, and a straight rod for connecting the sensing end of the radial position sensor 10 may be directly and vertically fixedly connected to the support rod 8.
As shown in fig. 5, the collision avoidance detecting device of the present embodiment further includes: and the deflection supporting structures are elastically and slidably connected to the axial sliding blocks 3, are provided with two groups of bilateral symmetry, are respectively positioned on two sides of the bottom of the supporting rod 8 and are suitable for being connected with the supporting rod 8 in a swinging state in an abutting mode. The deflection support structure includes: the supporting seat 15 and the supporting block 16, the supporting seat 15 is fixedly connected to the axial sliding block 3; the supporting block 16 is elastically connected to the axial sliding block 3 in a vertically sliding manner, is located above the supporting seat 15, and has a groove in a direction toward the supporting rod 8; the support bar 8 has a support plate 17 protruding toward the groove of the support block 16.
Principle of operation
As shown in fig. 2-5, when the cantilever 1 rotates and bumps, the arc-shaped swing frame 4 of the anti-collision detection device firstly contacts with the obstacle, and the impact force can make the arc-shaped swing frame 4 swing along the hinge point of the axial sliding block 3 toward the side opposite to the impact force, so as to trigger the corresponding position sensor, and the position sensor sends a signal to the controller, so that the cantilever 1 can stop in time, and accidents are avoided.
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 intended to be within the scope of the invention.
Claims (10)
1. Stacker-reclaimer cantilever collision avoidance detection device, its characterized in that includes:
the mounting bracket (2) is suitable for being vertically mounted at one end on the side of the cantilever (1) of the stacker-reclaimer;
the axial sliding block (3) is connected with the mounting bracket (2) in a sliding manner; a first elastic piece (5) is arranged between the axial sliding block (3) and the mounting bracket (2), and the first elastic piece (5) has a biasing force for driving the axial sliding block (3) to slide towards a direction away from the stacker-reclaimer cantilever (1); an axial position inductor (6) is arranged between the axial sliding block (3) and the mounting bracket (2);
the arc-shaped swing frame (4) is provided with an arc-shaped rod (7) and a supporting rod (8) vertical to the inner arc surface of the arc-shaped rod (7), and the supporting rod (8) is hinged to the axial sliding block (3); a second elastic piece (9) is arranged between the support rod (8) and the axial sliding block (3), and when the support rod (8) swings towards two sides relative to the axial sliding block (3), the second elastic piece (9) has a biasing force for driving the support rod (8) to swing towards a middle position; and a radial position inductor (10) is arranged between the support rod (8) and the axial sliding block (3), and the receiving ends of the radial position inductors (10) are provided with two left and right parallel ends.
2. The stacker-reclaimer cantilever collision avoidance detection device of claim 1, wherein the sensing end and the receiving end of the axial position sensor (6) are in elastic contact when in contact.
3. The stacker-reclaimer cantilever collision avoidance detection device of claim 2, wherein the receiving end of the axial position sensor (6) is connected to the mounting bracket (2) through a third elastic member (11).
4. The stacker-reclaimer cantilever collision avoidance detection device of claim 2 or 3, wherein the sensing end of the axial position sensor (6) is connected to the mounting bracket (2) through a fourth elastic member (12).
5. The stacker-reclaimer cantilever collision avoidance detection device of claim 1, wherein the sensing end and the receiving end of the radial position sensor (10) are adapted to be elastically connected.
6. The stacker-reclaimer cantilever collision avoidance detection device of claim 5, wherein two receiving ends of said radial position sensor (10) are connected to said axial sliding block (3) through a fifth elastic member (13), respectively.
7. The stacker-reclaimer cantilever collision avoidance detection device of claim 5 or 6, wherein the sensing end of the radial position sensor (10) is connected to the support bar (8) through a sixth elastic member (14), and when the support bar (8) maintains the balance state, the sensing end of the radial position sensor (10) is located at the middle position of the two receiving ends of the radial position sensor (10).
8. The stacker-reclaimer cantilever collision avoidance detection device of claim 1, further comprising: and the deflection supporting structures are elastically and slidably connected to the axial sliding blocks (3), are provided with two groups of bilateral symmetry, are respectively positioned on two sides of the bottom of the supporting rod (8), and are suitable for being connected with the supporting rod (8) in a swinging state in an abutting mode.
9. The stacker-reclaimer cantilever collision avoidance detection device of claim 8, wherein said deflecting support structure comprises:
the supporting seat (15) is fixedly connected to the axial sliding block (3);
the supporting block (16) is elastically connected to the axial sliding block (3) in a sliding manner up and down, is positioned above the supporting seat (15), and is provided with a groove in the direction facing the supporting rod (8); the supporting rod (8) is provided with a supporting plate (17) which extends towards the groove direction of the supporting block (16).
10. The stacker-reclaimer cantilever is characterized in that a plurality of anti-collision detection devices according to any one of claims 1 to 9 are arranged on at least one side of the cantilever (1) at intervals.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266985.1A CN110834966B (en) | 2019-12-11 | 2019-12-11 | Stacker-reclaimer cantilever anticollision detection device and stacker-reclaimer cantilever that has it |
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| CN201911266985.1A CN110834966B (en) | 2019-12-11 | 2019-12-11 | Stacker-reclaimer cantilever anticollision detection device and stacker-reclaimer cantilever that has it |
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| CN110834966B CN110834966B (en) | 2024-05-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450266A (en) * | 2022-05-23 | 2022-12-09 | 刘乐乐 | Building engineering side slope automated inspection processing system |
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| CN115450266A (en) * | 2022-05-23 | 2022-12-09 | 刘乐乐 | Building engineering side slope automated inspection processing system |
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