Anti-collision cantilever device

Abstract

The utility model belongs to the technical field of cantilever devices, and particularly relates to an anti-collision cantilever device which comprises a cantilever body. One side face of the cantilever body is fixedly connected with a positioning frame, and a sensor is installed in the positioning frame. Through the arrangement of the cleaning mechanism, a sensor and a range finder can be cleaned, the possibility that dust is attached to the sensor and the range finder is reduced, the anti-collision cantilever is installed on a bucket wheel machine, high-pressure gas is pumped into an air inducing pipe, a piston moves, the piston drives a rack to move, a baffle plate moves upwards, and a positioning frame is exposed; when the anti-collision cantilever and the bucket wheel machine stop, an external fan stops synchronously, a baffle plate moves downwards to conduct positioning on the positioning frame, and dust is blown into the positioning frame through a plurality of blowing pipes which are distributed at equal intervals, so that dust attached to or floating on the sensor and the distance measuring instrument is removed, and the induction sensitivity of the sensor and the distance measuring instrument is prevented from being affected by the dust. Dust is prevented from being attached to the sensor and the range finder when the bucket wheel machine does not run.

Description

Technical Field

[0001] The utility model belongs to the technical field of cantilever devices, in particular to an anti-collision cantilever device. Background Art

[0002] The bucket wheel machine anti-collision cantilever is a device used to prevent the bucket wheel machine cantilever from colliding with the coal pile due to the driver's blind spot and inability to see the situation on both sides of the cantilever when the bucket wheel machine is retrieving materials, causing mechanical damage and the equipment to fail to operate normally. The cantilever usually achieves anti-collision by detecting the distance between the cantilever and the coal pile through sensors and rangefinders installed on the outside of the cantilever.

[0003] However, the bucket wheel machine will generate a large amount of dust during use, which will adhere to the sensors and rangefinders installed on the outside of the cantilever, affecting their sensing and measurement sensitivity and the anti-collision effect of the bucket wheel machine's anti-collision cantilever; therefore, an anti-collision cantilever device is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology, solve the problem that a large amount of dust will be generated during the use of the bucket wheel machine, which will adhere to the sensor and the rangefinder, affecting their sensing and measurement sensitivity, and the anti-collision effect of the bucket wheel machine's anti-collision cantilever, an anti-collision cantilever device is proposed.

[0005] The technical solution adopted by the utility model to solve the technical problem is: the anti-collision cantilever device described in the utility model comprises a cantilever body; a positioning frame is fixedly connected to one side of the cantilever body, a sensor is installed in the positioning frame, and a rangefinder is installed in the positioning frame;

[0006] The cantilever body is provided with a cleaning mechanism, which includes an air duct fixedly connected to a side surface of the cantilever body, a blowing pipe fixedly connected to the bottom of the air duct, the bottom end of the blowing pipe penetrates the positioning frame, a piston is slidably connected in the blowing pipe, one end of the piston is fixedly connected to a rack, the end of the piston close to the rack is elastically connected to the inner wall of the air duct through a spring, the other end of the rack penetrates the air duct and communicates with the outside, a screw rod is rotatably connected to the top of the positioning frame, a transmission block is threadedly connected to the outer wall of the screw rod, one end of the transmission block is fixedly connected to a baffle plate, the outer wall of the screw rod is fixedly connected to a gear, the gear is meshingly connected to the rack, and the sensor and the rangefinder can be cleaned by setting the cleaning mechanism to reduce the possibility of dust adhering to the sensor and the rangefinder.

[0007] Preferably, a suction pipe is fixedly connected to one side of the cantilever body, and a guide pipe is fixedly connected to the top of the suction pipe. Through the arrangement of the suction pipe and the guide pipe, the scattered dust and the dust blown through the blowing pipe can be easily sucked, thereby avoiding greater dust leakage caused by the blowing of the blowing pipe.

[0008] Preferably, a cleaning groove is provided on a side of the suction pipe away from the cantilever body, and a filter screen is slidably connected to the cleaning groove. The arrangement of the cleaning groove and the filter screen facilitates filtering of the sucked air to prevent dust from affecting the operation of the fan.

[0009] Preferably, the side of the suction pipe away from the cantilever body is rotatably connected to a limiting block through a rotating shaft, and the inner wall of the cleaning groove is provided with a dustproof pad. The setting of the limiting block can facilitate the setting and positioning of the filter screen plate to avoid movement of the filter screen plate.

[0010] Preferably, a cleaning groove is provided at the bottom of the suction pipe, and the inner side wall of the cleaning groove is rotatably connected to a sealing plate through a rotating shaft. A limiting groove is provided at the bottom of the suction pipe, and the inner side wall of the limiting groove is rotatably connected to a double-headed threaded rod, and both ends of the outer wall of the double-headed threaded rod are threadedly connected to threaded blocks, and the bottom end of the threaded block extends out of the limiting groove and is fixedly connected to a support plate. Through the arrangement of the sealing plate and the cleaning groove, it is convenient to regularly clean the dust remaining in the suction pipe, and the support plate can be positioned by the double-headed threaded rod and the support plate.

[0011] Preferably, an auxiliary block is fixedly connected to the bottom of the suction pipe, and an auxiliary groove is provided on a side of the auxiliary block close to the double-headed threaded rod. The arrangement of the auxiliary block and the auxiliary groove can facilitate auxiliary support for the movement of the support plate.

[0012] Preferably, a sealing gasket is provided on the outer wall of the shielding plate, and a sealing gasket is provided on the outer wall of the sealing plate. By providing a sealing gasket on the outer wall of the shielding plate and a sealing gasket on the outer wall of the sealing plate, the sealing performance is improved.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides an anti-collision cantilever device. Through the setting of a cleaning mechanism, the sensor and the rangefinder can be cleaned to reduce the possibility of dust adhering to the sensor and the rangefinder. The anti-collision cantilever is installed on the bucket wheel machine, and high-pressure gas is pumped into the induced draft pipe. The piston moves, and the piston drives the rack to move, and the shielding plate moves up to leak out of the positioning frame, and is sprayed into the positioning frame through a plurality of equidistantly distributed blowing pipes, so that the dust adhering to or floating on the sensor and the rangefinder is removed, and the dust is prevented from affecting the sensing sensitivity of the sensor and the rangefinder. When the anti-collision cantilever and the bucket wheel machine are stopped, the external fan is stopped synchronously, so that the shielding plate moves down to the positioning frame, and dust is prevented from adhering to the sensor and the rangefinder when the bucket wheel machine is not running.

[0015] 2. The utility model provides an anti-collision cantilever device. Through the arrangement of a suction pipe and a guide pipe, it is convenient to suction the scattered dust and the dust sprayed through the blowing pipe, thereby avoiding greater dust dispersion caused by the blowing of the blowing pipe. Through the arrangement of a cleaning groove and a filter screen plate, it is convenient to filter the sucked air, thereby avoiding the influence of dust on the operation of the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a cross-sectional structural diagram of the positioning frame in the utility model;

[0019] Figure 3 It is a cross-sectional structural diagram of the suction pipe in the utility model;

[0020] Figure 4 yes Figure 2 The enlarged structure diagram at A in the middle;

[0021] Figure 5 yes Figure 3 The enlarged structure diagram at B in the middle;

[0022] Legend:

[0023] 1. Cantilever body; 2. Positioning frame; 3. Sensor; 4. Distance meter; 5. Cleaning mechanism; 51. Air duct; 52. Blowing pipe; 53. Piston; 54. Rack; 55. Screw rod; 56. Gear; 6. Suction pipe; 7. Guide pipe; 8. Filter screen; 9. Limit block; 10. Sealing plate; 11. Double-headed threaded rod; 12. Threaded block; 13. Support plate; 14. Auxiliary block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Specific examples are given below.

[0026] See also Figure 1-Figure 5The utility model provides an anti-collision cantilever device, comprising a cantilever body 1; a positioning frame 2 is fixedly connected to one side of the cantilever body 1, a sensor 3 is installed in the positioning frame 2, and a rangefinder 4 is installed in the positioning frame 2;

[0027] The cantilever body 1 is provided with a cleaning mechanism 5, which includes an air duct 51 fixedly connected to one side of the cantilever body 1, a blow pipe 52 fixedly connected to the bottom of the air duct 51, the bottom end of the blow pipe 52 penetrates the positioning frame 2, a piston 53 is slidably connected in the blow pipe 52, one end of the piston 53 is fixedly connected to a rack 54, one end of the piston 53 close to the rack 54 is elastically connected to the inner wall of the air duct 51 through a spring, and the other end of the rack 54 penetrates the air duct 51 and is connected to the outside. The top of the positioning frame 2 is rotatably connected with a screw rod 55, the outer wall of the screw rod 55 is threadedly connected with a transmission block, one end of the transmission block is fixedly connected with a shielding plate, the outer wall of the screw rod 55 is fixedly connected with a gear 56, and the gear 56 is meshed with the rack 54; when working, the sensor 3 and the rangefinder 4 can be cleaned by setting the cleaning mechanism 5 to reduce the possibility of dust adhering to the sensor 3 and the rangefinder 4, that is, the anti-collision cantilever is installed on the bucket wheel machine, and through a plurality of equidistantly distributed in the positioning frame 2 The sensor 3 and the rangefinder 4 detect the distance from the coal pile to play an anti-collision effect. At the same time, an air inlet is opened on the top of the induced draft pipe 51 and connected to the fan through a hose. By starting the external fan, high-pressure gas is pumped into the induced draft pipe 51. When the high-pressure gas is pumped into the induced draft pipe 51, the piston 53 is pushed to move. The piston 53 drives the rack 54 to move, the rack 54 drives the gear 56 to rotate, the gear 56 drives the screw rod 55 to rotate, and the screw rod 55 drives the shielding plate to move through the transmission block and causes the shielding plate to move up, so that the leakage The dust is blown out of the positioning frame 2 through a plurality of equidistantly distributed blowing pipes 52 into the positioning frame 2, so that the dust adhering to or floating on the sensor 3 and the distance meter 4 is removed to prevent the dust from affecting the sensitivity of the sensor 3 and the distance meter 4. When the anti-collision cantilever and the bucket wheel machine are shut down, the external fan stops synchronously, and the piston 53 drives the rack 54 to reset under the pressure of the spring, so that the baffle moves down to the positioning frame 2 to prevent the dust from adhering to the sensor 3 and the distance meter 4 when the bucket wheel machine is not running.

[0028] Further, such as Figure 3 and Figure 5 As shown, a suction pipe 6 is fixedly connected to one side of the cantilever body 1, and a guide pipe 7 is fixedly connected to the top of the suction pipe 6. During operation, the setting of the suction pipe 6 and the guide pipe 7 can facilitate the suction of the scattered dust and the dust sprayed through the blowing pipe 52, thereby avoiding greater dust dispersion caused by the blowing of the blowing pipe 52.

[0029] Further, such as Figure 3 and Figure 5As shown, a cleaning groove is provided on one side of the suction pipe 6 away from the cantilever body 1, and a filter screen plate 8 is slidably connected in the cleaning groove. During operation, the cleaning groove and the filter screen plate 8 are arranged to facilitate filtering of the sucked air to prevent dust from affecting the operation of the fan.

[0030] Further, such as Figure 1 As shown, the side of the suction pipe 6 away from the cantilever body 1 is rotatably connected to the limit block 9 through the rotating shaft, and the inner wall of the cleaning groove is provided with a dustproof pad. During operation, the setting of the limit block 9 can facilitate the setting and positioning of the filter screen plate 8 to prevent the filter screen plate 8 from moving.

[0031] Further, such as Figure 3 and Figure 5 As shown, a cleaning groove is provided at the bottom of the suction pipe 6, and a sealing plate 10 is rotatably connected to the inner wall of the cleaning groove through a rotating shaft. A limiting groove is provided at the bottom of the suction pipe 6, and a double-headed threaded rod 11 is rotatably connected to the inner wall of the limiting groove. Both ends of the outer wall of the double-headed threaded rod 11 are threadedly connected to a thread block 12, and the bottom end of the thread block 12 extends out of the limiting groove and is fixedly connected to a support plate 13. During operation, the dust remaining in the suction pipe 6 can be cleaned regularly through the arrangement of the sealing plate 10 and the cleaning groove, and the support plate 13 can be positioned through the double-headed threaded rod 11 and the support plate 13.

[0032] Further, such as Figure 3 and Figure 5 As shown, the bottom of the suction pipe 6 is fixedly connected with an auxiliary block 14, and an auxiliary groove is provided on one side of the auxiliary block 14 close to the double-headed threaded rod 11. During operation, the auxiliary block 14 and the auxiliary groove can be arranged to facilitate auxiliary support for the movement of the support plate 13.

[0033] Further, such as Figure 1 and Figure 2 As shown, a sealing gasket is provided on the outer wall of the shielding plate, and a sealing gasket is provided on the outer wall of the sealing plate 10. During operation, the sealing gasket is provided on the outer wall of the shielding plate, and the sealing gasket is provided on the outer wall of the sealing plate 10 to improve the sealing performance.

[0034] Working principle: The anti-collision cantilever is installed on the bucket wheel excavator, and the distance to the coal pile is detected by multiple sensors 3 and rangefinders 4 equidistantly distributed in the positioning frame 2, so as to achieve an anti-collision effect. At the same time, an air inlet is opened on the top of the induced air duct 51 and connected to the fan through a hose. By starting the external fan, high-pressure gas is pumped into the induced air duct 51. When the high-pressure gas is pumped into the induced air duct 51, the piston 53 is pushed to move, and the piston 53 drives the rack 54 to move, and the rack 54 drives the gear 56 to rotate, and the gear 56 drives the screw rod 55 to rotate, and the screw rod 55 drives the gear 56 to rotate. The block drives the baffle plate to move and move the baffle plate up, leaking out of the positioning frame 2, and is blown into the positioning frame 2 through multiple equidistantly distributed blowing pipes 52, so that the dust attached to or floating on the sensor 3 and the distance meter 4 is removed, and the dust is prevented from affecting the sensing sensitivity of the sensor 3 and the distance meter 4. When the anti-collision cantilever and the bucket wheel machine are shut down, the external fan stops synchronously, and the piston 53 drives the rack 54 to reset under the pressure of the spring, so that the baffle plate moves down to the positioning frame 2, so as to prevent dust from adhering to the sensor 3 and the distance meter 4 when the bucket wheel machine is not running.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An anti-collision cantilever device, characterized in that: It comprises a cantilever body (1); a positioning frame (2) is fixedly connected to one side of the cantilever body (1), a sensor (3) is installed in the positioning frame (2), and a distance meter (4) is installed in the positioning frame (2); The cantilever body (1) is provided with a cleaning mechanism (5), the cleaning mechanism (5) comprising an air duct (51) fixedly connected to a side surface of the cantilever body (1), a blow pipe (52) fixedly connected to the bottom of the air duct (51), the bottom end of the blow pipe (52) passing through the positioning frame (2), a piston (53) slidably connected inside the blow pipe (52), one end of the piston (53) fixedly connected to a rack (54), the piston (53) close to the rack One end of the rack (54) is elastically connected to the inner wall of the air duct (51) through a spring, the other end of the rack (54) penetrates the air duct (51) and is connected to the outside, the top of the positioning frame (2) is rotatably connected to a screw rod (55), the outer wall of the screw rod (55) is threadedly connected to a transmission block, one end of the transmission block is fixedly connected to a baffle plate, the outer wall of the screw rod (55) is fixedly connected to a gear (56), and the gear (56) is meshingly connected to the rack (54).

2. The anti-collision cantilever device according to claim 1, characterized in that: A suction pipe (6) is fixedly connected to one side of the cantilever body (1), and a guide pipe (7) is fixedly connected to the top of the suction pipe (6).

3. The anti-collision cantilever device according to claim 2, characterized in that: A cleaning groove is provided on a side of the suction pipe (6) away from the cantilever body (1), and a filter screen plate (8) is slidably connected in the cleaning groove.

4. The anti-collision cantilever device according to claim 3, characterized in that: The side of the suction pipe (6) away from the cantilever body (1) is rotatably connected to a limiting block (9) via a rotating shaft, and a dustproof pad is provided on the inner side wall of the cleaning groove.

5. The anti-collision cantilever device according to claim 4, characterized in that: A cleaning groove is provided at the bottom of the suction pipe (6), and the inner side wall of the cleaning groove is rotatably connected to a sealing plate (10) via a rotating shaft. A limiting groove is provided at the bottom of the suction pipe (6), and the inner side wall of the limiting groove is rotatably connected to a double-headed threaded rod (11), and both ends of the outer wall of the double-headed threaded rod (11) are threadedly connected to thread blocks (12), and the bottom end of the thread block (12) extends out of the limiting groove and is fixedly connected to a support plate (13).

6. The anti-collision cantilever device according to claim 5, characterized in that: An auxiliary block (14) is fixedly connected to the bottom of the suction pipe (6), and an auxiliary groove is formed on a side of the auxiliary block (14) close to the double-headed threaded rod (11).

7. The anti-collision cantilever device according to claim 6, characterized in that: The outer wall of the shielding plate is provided with a sealing gasket, and the outer wall of the sealing plate (10) is provided with a sealing gasket.

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