CN111924710A

CN111924710A - Automatic collision avoidance mechanism for traveling crane operation of machining

Info

Publication number: CN111924710A
Application number: CN202010766220.0A
Authority: CN
Inventors: 赵恒伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2020-11-13

Abstract

The invention relates to the technical field of travelling safety, and discloses an automatic collision avoidance mechanism for travelling operation of machining, which comprises a travelling frame, a solenoid and a sliding wheel, wherein the left end of the sliding wheel is fixedly connected with a fixed rotating shaft, the fixed rotating shaft is provided with a limiting groove, the outer part of the fixed rotating shaft is provided with a shaft sleeve, the inside of the shaft sleeve is provided with the solenoid, an iron block is arranged below the solenoid, and a limiting part is fixedly connected below the iron block. The solenoid outside coil outage, solenoid after the outage does not possess the magnetic attraction to the iron plate removes along with the locating part under reset spring's effect, reset spring's elasticity makes the locating part get into the spacing groove, thereby make fixed pivot and axle sleeve be in the same place, the movable pulley can not rotate, thereby make the inertial force of driving the main part offset under the effect of the frictional force of movable pulley and ground spout, the driving main part can stop in order to avoid the collision, thereby reached and forced the effect that makes the driving stop.

Description

Automatic collision avoidance mechanism for traveling crane operation of machining

Technical Field

The invention relates to the technical field of driving safety, in particular to a driving running automatic collision prevention mechanism for machining.

Background

Various collisions in the running process of the travelling crane are one of important reasons for causing the self-damage of the travelling crane, the existing travelling crane is easy to touch with a device such as a baffle when moving to the end of a sliding track, for the remote-control travelling crane, the problem that the distance relation between the travelling crane and the end of the track cannot be determined due to the fact that a travelling crane operator is far away from the travelling crane moving position occurs, so that the accident of the travelling crane touch is easy to cause, and in order to solve the problem, the automatic travelling crane running collision avoiding mechanism for machining is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the automatic traveling crane running collision avoidance mechanism for machining, which has the advantages of giving an alarm when the distance between the traveling crane and a contact point is close, observing the distance between the contact points and forcibly stopping the traveling crane, and solves the problem that the distance relationship between the traveling crane and the end of a track cannot be determined, so that the traveling crane touch accident is easily caused.

(II) technical scheme

In order to realize the purposes of sending an alarm when the distance between the touch points is close, observing the distance between the touch points and forcibly stopping driving, the invention provides the following technical scheme:

a driving operation automatic collision avoidance mechanism for machining comprises a driving frame, wherein a driving device is arranged on the upper portion of the driving frame, a moving frame is arranged below the driving device, a driving main body is fixedly connected to the lower portion of the moving frame, a connecting column is fixedly connected between the driving main body and the moving frame, a magnet is fixedly mounted in front of the driving main body, an extrusion part is arranged in front of the driving main body, an elastic air bag is arranged in front of the extrusion part, an air guide pipe is fixedly connected to the front end of the elastic air bag, a sliding wheel is arranged at the right portion of the driving main body, a fixed rotating shaft is fixedly connected to the left end of the sliding wheel, a limiting groove is formed in the fixed rotating shaft, a shaft sleeve is arranged outside the fixed rotating shaft, a solenoid is arranged inside the shaft sleeve, an iron block is arranged below the solenoid, and a limiting part is fixedly connected, the utility model discloses a traveling crane, including driving frame, control panel, sealed guide tube, fixedly connected with telescopic link, the upper end left part fixedly connected with conductive ball of telescopic link, the upper end right part fixedly connected with scale pointer of telescopic link, the higher authority fixed mounting of sealed guide tube has the observation room, the right part of scale pointer is provided with the graduation apparatus, the left side of conductive ball is provided with the resistance strip, the upper left part of observation room is provided with the warning light.

Preferably, the rear end of the extrusion is fixedly provided with a magnet, the magnet has a magnetic pole opposite to that of the magnet on the traveling crane main body, and the two magnets with opposite magnetic poles attract each other.

Preferably, the upper end of the air guide tube is fixedly connected with the lower end of the sealed guide tube, gas in the elastic air bag enters the sealed guide tube through the air guide tube, and the inner diameter ratio of the sealed guide tube to the elastic air bag is 5: 1.

Preferably, the sliding wheel, the limiting groove, the solenoid, the iron block and the limiting part are symmetrically arranged by taking the fixed rotating shaft as a center, the limiting groove is matched with the limiting part, the iron block is fixedly connected with a reset spring, and the solenoid is located inside the reset spring.

Preferably, the control panel is provided with a first button electrically connected with the driving device, the control panel is provided with a second button electrically connected with the external coil of the solenoid, the first button controls the movement of the driving device, and the second button controls the current electrifying state of the external coil of the solenoid.

Preferably, the right part of the observation chamber is provided with a glass window, the glass window is positioned right and right of the scale, and scales on the scale can be observed through the glass window so as to determine the distance from the vehicle to the collision point.

Preferably, the line of the alarm lamp is connected with the resistor strip in series.

(III) advantageous effects

Compared with the prior art, the invention provides an automatic collision avoidance mechanism for traveling crane operation for machining, which has the following beneficial effects:

1. the automatic collision avoiding mechanism for the traveling crane operation of the machining machine is characterized in that the driving device is controlled to work through the first button, the driving device drives the moving frame to move on the traveling crane frame, so that the traveling crane main body moves on the track, when the traveling crane main body moves to the position near the end of the track, the traveling crane main body can touch an extrusion piece, the extrusion piece extrudes the elastic airbag, gas in the elastic airbag enters the sealing guide cylinder, the gas pushes the piston to move upwards, so that the piston drives the telescopic rod to move upwards, the telescopic rod can drive the conductive ball to move upwards in the moving process, the conductive ball moves on the resistor strip, so that the resistance of the resistor strip in an access circuit is reduced, the current in the circuit is increased, the alarm lamp connected with the resistor strip in parallel is lightened, so that a danger alarm is given to an operator, and the aim of reminding the operator of stopping the traveling crane movement in time is, so as to avoid the effect that the travelling crane collides the end baffles at the two ends.

2. This a mechanism is kept away to driving operation automation for machining, make the outage of solenoid external coil through pressing the second button, solenoid after the outage does not possess the magnetic attraction to the iron plate, thereby the iron plate moves under reset spring's effect along with the locating part, reset spring's elasticity makes the locating part get into the spacing groove, thereby make fixed rotating shaft and axle sleeve be in the same place, the movable pulley can not rotate, thereby the inertia that makes the driving main part under the effect of the frictional force of movable pulley and ground spout is offset, the driving main part can stop in order to avoid the collision, thereby the effect of forcing the driving to stop has been reached.

3. According to the automatic collision avoidance mechanism for the travelling crane operation, the scale pointer can be driven to move upwards in the ascending process of the telescopic rod, the index of the scale meter is changed when the scale pointer moves upwards, the ratio of the inner diameter of the sealing guide cylinder to the inner diameter of the elastic air bag is 5:1, the distance of the left movement of the extrusion piece can be calculated after the piston pushes the telescopic rod to move upwards by the ratio, the distance between the travelling crane main body and the collision point can be clearly reflected by the scale meter according to the calculation method, and when the travelling crane approaches the collision point, the distance between the travelling crane main body and the collision point can be known by observing the scale meter, so that the travelling crane main body and the collision point can be.

Drawings

FIG. 1 is a schematic sectional view of the front side of the structure of the present invention;

FIG. 2 is a side view, partially in section, of the structure of the present invention;

FIG. 3 is a schematic sectional view of the inner sealing guide tube and the observation chamber of the cab according to the present invention;

FIG. 4 is a schematic cross-sectional view of the structure A-A of FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure B in FIG. 4 according to the present invention.

In the figure: 1. a traveling frame; 2. a drive device; 21. a movable frame; 22. connecting columns; 3. a main body of the traveling crane; 31. a magnet; 32. an extrusion; 33. an elastic air bag; 34. an air duct; 4. a sliding wheel; 41. fixing the rotating shaft; 4101. a limiting groove; 5. a shaft sleeve; 51. a solenoid; 52. an iron block; 53. a limiting member; 6. a cab; 61. a control panel; 7. sealing the guide cylinder; 71. a piston; 72. a telescopic rod; 73. a scale pointer; 74. a conductive ball; 8. an observation room; 81. a resistor strip; 82. a dial gauge; 83. an alarm light.

Detailed Description

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. 1-5, an automatic collision avoidance mechanism for traveling crane operation for machining comprises a traveling crane frame 1, a driving device 2 is arranged at the upper part of the traveling crane frame 1, a moving frame 21 is arranged below the driving device 2, a traveling crane main body 3 is fixedly connected below the moving frame 21, a connecting column 22 is fixedly connected between the traveling crane main body 3 and the moving frame 21, a magnet 31 is fixedly installed in the front of the traveling crane main body 3, an extrusion piece 32 is arranged in the front of the traveling crane main body 3, a magnet 31 is fixedly installed at the rear end of the extrusion piece 32, the magnet 31 is opposite to the magnetic pole of the magnet 31 on the traveling crane main body 3, the two magnets 31 with opposite magnetic poles attract each other, an elastic air bag 33 is arranged in the front of the extrusion piece 32, an air guide tube 34 is fixedly connected to the front end of the elastic air bag 33, the upper end of the air guide tube 34 is fixedly connected to the lower end of, the inner diameter ratio of the sealing guide cylinder 7 to the elastic air bag 33 is 5:1, the right part of the traveling main body 3 is provided with a sliding wheel 4, the left end of the sliding wheel 4 is fixedly connected with a fixed rotating shaft 41, and the fixed rotating shaft 41 is provided with a limit groove 4101.

The external of the fixed rotating shaft 41 is provided with a shaft sleeve 5, the internal of the shaft sleeve 5 is provided with a solenoid 51, an iron block 52 is arranged below the solenoid 51, the sliding wheel 4, a limiting groove 4101, the solenoid 51, the iron block 52 and a limiting piece 53 are all symmetrically arranged by taking the fixed rotating shaft 41 as a center, the limiting groove 4101 is matched with the limiting piece 53, a return spring is fixedly connected with the iron block 52, the solenoid 51 is positioned in the return spring, the lower part of the iron block 52 is fixedly connected with the limiting piece 53, the upper right part of the traveling crane 1 is provided with a cab 6, the cab 6 is internally provided with a control panel 61, the control panel 61 is provided with a first button electrically connected with the driving device 2, the control panel 61 is provided with a second button electrically connected with the external coil of the solenoid 51, the first button controls the movement of the driving device 2, the second button controls the current electrifying state of the external, the left part of driver's cabin 6 is provided with sealed guide tube 7, the inside of sealed guide tube 7 is provided with piston 71, fixedly connected with telescopic link 72 on the piston 71, the upper end left part fixedly connected with conductive ball 74 of telescopic link 72, the upper end right part fixedly connected with scale pointer 73 of telescopic link 72, the higher authority fixed mounting of sealed guide tube 7 has observation room 8, the right part of scale pointer 73 is provided with graduation 82, the right part of observation room 8 is provided with the glass window, this glass window is located graduation 82 directly right-hand, can observe the scale on graduation 82 through the glass window, with the distance of confirming the driving from the collision point, the left side of conductive ball 74 is provided with resistance strip 81, the upper left part of observation room 8 is provided with warning light 83, the circuit of warning light 83 is established ties together with resistance strip 81.

The working principle is as follows: the automatic collision avoidance mechanism for the travelling crane operation of machining controls the driving device 2 to work through the first button, the driving device 2 drives the moving frame 21 to move on the travelling crane frame 1, so that the travelling crane main body 3 moves on the track, when the travelling crane main body 3 moves to the position near the end of the track, the extrusion part 32 can touch the extrusion part 32 on the travelling crane main body 3, the extrusion part 32 extrudes the elastic air bag 33, gas in the elastic air bag 33 enters the sealing guide cylinder 7, the gas pushes the piston 71 to move upwards, so that the piston 71 drives the telescopic rod 72 to move upwards, the telescopic rod 72 can drive the conductive ball 74 to move upwards in the moving process, the conductive ball 74 moves on the resistor strip 81, so that the resistance of the resistor strip 81 in an access circuit is reduced, the current in the circuit is increased, the alarm lamp 83 connected with the resistor strip 81 in parallel is lightened, so as to give a danger alarm to an operator, and remind, so as to avoid the travelling crane from colliding with the end baffles at the two ends.

When an operator sees that the alarm lamp 83 is on, the driving device 2 stops working through the first button, but the traveling crane main body 3 continues to move at one end due to self inertia, at the moment, the second button is pressed to cut off the power of an external coil of the solenoid 51, the solenoid 51 after the power-off does not have magnetic attraction to the iron block 52, so that the iron block 52 moves along with the limiting piece 53 under the action of the return spring, the elastic force of the return spring enables the limiting piece 53 to enter the limiting groove 4101, the fixed rotating shaft 41 is connected with the shaft sleeve 5, the sliding wheel 4 cannot rotate, the inertia force of the traveling crane main body 3 is counteracted under the action of the friction force of the sliding wheel 4 and the ground sliding groove, and the traveling crane main body 3 is stopped to avoid collision. The scale pointer 73 is driven to move upwards in the ascending process of the telescopic rod 72, the scale pointer 73 moves upwards to change the index of the scale 82, and the ratio of the inner diameters of the sealing guide tube 7 and the elastic air bag 33 is 5:1, so that the distance of the left movement of the extrusion part 32 can be calculated after the piston 71 pushes the telescopic rod 72 to move upwards, the distance between the traveling main body 3 and a collision point can be clearly reflected by the scale 82 according to the calculation method, and the traveling speed can be timely processed to avoid traveling collision.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic collision avoidance mechanism of driving operation for machining, includes driving frame (1), its characterized in that: the upper portion of the traveling crane frame (1) is provided with a driving device (2), a moving frame (21) is arranged below the driving device (2), a traveling crane main body (3) is fixedly connected to the lower portion of the moving frame (21), a connecting column (22) is fixedly connected between the traveling crane main body (3) and the moving frame (21), a magnet (31) is fixedly mounted in front of the traveling crane main body (3), an extrusion part (32) is arranged in front of the traveling crane main body (3), an elastic air bag (33) is arranged in front of the extrusion part (32), an air guide tube (34) is fixedly connected to the front end of the elastic air bag (33), a sliding wheel (4) is arranged at the right portion of the traveling crane main body (3), a fixed rotating shaft (41) is fixedly connected to the left end of the sliding wheel (4), a limiting groove (4101) is formed in the fixed rotating shaft (41), and a shaft sleeve (5) is, the utility model discloses a motor vehicle steering wheel, including axle sleeve (5), solenoid (51), the below of solenoid (51) is provided with iron plate (52), below fixedly connected with locating part (53) of iron plate (52), the upper right portion of driving frame (1) is provided with driver's cabin (6), the inside of driver's cabin (6) is provided with control panel (61), the left part of driver's cabin (6) is provided with sealed guide tube (7), the inside of sealed guide tube (7) is provided with piston (71), fixedly connected with telescopic link (72) on piston (71), the upper end left part fixedly connected with conductive ball (74) of telescopic link (72), the upper end right part fixedly connected with scale pointer (73) of telescopic link (72), the above fixedly mounted of sealed guide tube (7) has observation room (8), the right part of scale pointer (73) is provided with graduation meter (82), the left side of electrically conductive ball (74) is provided with resistive strip (81), the upper left portion of observation room (8) is provided with warning light (83).

2. A travelling crane operation automatic collision avoidance mechanism for machining according to claim 1, characterized in that: a magnet (31) is fixedly arranged at the rear end of the extrusion piece (32), and the magnet (31) has a magnetic pole opposite to that of the magnet (31) on the traveling crane main body (3).

3. A travelling crane operation automatic collision avoidance mechanism for machining according to claim 1, characterized in that: the upper end of the air duct (34) is fixedly connected with the lower end of the sealing guide cylinder (7).

4. A travelling crane operation automatic collision avoidance mechanism for machining according to claim 1, characterized in that: the sliding wheel (4), the limiting groove (4101), the solenoid (51), the iron block (52) and the limiting piece (53) are symmetrically arranged by taking the fixed rotating shaft (41) as a center, the limiting groove (4101) is matched with the limiting piece (53), the iron block (52) is fixedly connected with a return spring, and the solenoid (51) is located inside the return spring.

5. A travelling crane operation automatic collision avoidance mechanism for machining according to claim 1, characterized in that: the control panel (61) is provided with a first button electrically connected with the driving device (2), and the control panel (61) is provided with a second button electrically connected with an external coil of the solenoid (51).

6. A travelling crane operation automatic collision avoidance mechanism for machining according to claim 1, characterized in that: the right part of the observation chamber (8) is provided with a glass window which is positioned right to the dial gauge (82).

7. A travelling crane operation automatic collision avoidance mechanism for machining according to claim 1, characterized in that: the alarm lamp (83) is connected with the resistor strip (81) in series.