CN210264807U

CN210264807U - Device for preventing material transporting vehicle from climbing and running

Info

Publication number: CN210264807U
Application number: CN201921162346.6U
Authority: CN
Inventors: 李强; 申水旺; 王敏; 侯�忠; 陈建华
Original assignee: SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co Ltd WANGZHUANG COAL MINE
Current assignee: SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co Ltd WANGZHUANG COAL MINE
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-07
Anticipated expiration: 2029-07-23

Abstract

The utility model provides a device for preventing fortune skip climbing sports car, swing formula travel switch's structure characteristics enable its receipt, change two directions of fortune skip by the signal that touches the production, owing to be equipped with cylinder elevating gear in addition, therefore the back of using up can be folded, does not occupy the tunnel space and hinders current. The circuit after the transformation can show the operation process of the lifting rod in real time through the indicator lamp, and can also detect the failure of the lifting rod in time through the indicator lamp. The device is made of common visible materials and is simple in processing process. The components such as parts and electrical elements are not complex, the electrical principle is simple, the modification cost is low, and the method has a wide application prospect.

Description

Device for preventing material transporting vehicle from climbing and running

Technical Field

The utility model relates to a circuit control field particularly, relates to a device for preventing fortune skip climbing sports car.

Background

When the material transporting vehicle is transported by the winch to go up and down a slope, the material transporting vehicle may slide down rapidly along the slope due to the breakage of a steel wire rope, the reduction of the braking performance of the winch, the pin dropping and the like. The light person damages the cable, the support and the equipment, and the heavy person can cause casualties.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for preventing dumper climbing sports car aims at avoiding when the winch hauls the dumper and goes up the downhill slope, and the dumper is because of out of control along the serious consequence that the slope glides rapidly and causes.

The utility model discloses a realize like this: the utility model provides a device for preventing fortune skip climbing sports car, include: the swing type travel switch, the lifting rod and the forward and reverse rotation circuit.

The swing type travel switch comprises a rocker, a roller and a bracket; the support is of a frame structure and comprises two connecting baffles arranged in parallel and a bottom baffle perpendicular to the two connecting baffles, and the height of the bottom baffle is higher than that of the connecting baffles; a connecting rod is arranged between the two parallel connecting baffles, the middle part of the connecting rod is provided with a rotating shaft, and the rotating shaft is vertical to the plane of the bracket; the rocker body is provided with a through hole which passes through the rotating shaft and rotates along the rotating shaft; the bottom end of the rocker is provided with a rolling shaft vertical to the rod body, and the center of the roller is sleeved on the rolling shaft so that the roller rotates on the bottom end baffle along with the movement of the rocker; the two connecting baffles are respectively provided with a proximity switch SQ2 and a proximity switch SQ3, and when the roller moves along the baffle at the bottom end, the maximum stroke can exceed the position of the proximity switch SQ2 or SQ3 on the connecting baffles;

the lifting rod is arranged at a position close to the swing type travel switch, and an upper limit travel switch SQH, a lower limit travel switch SQL and a proximity switch SQ are arranged at the lifting rod;

the positive and negative rotation circuit is arranged in a control loop in a lower cavity of the 80N switch and comprises a circuit main circuit and six circuit branches connected in parallel on the circuit main circuit; the circuit main circuit comprises a lifting rod motor, a contact switch SQ of a proximity switch SQ and a stop button SB which are connected in series; the first circuit branch comprises a forward rotation button SBF, a contact switch KM2-2 of a relay KM2, a coil of a relay KM1 and a contact switch SQL-1 of a lower limit travel switch SQL which are connected in series, wherein the contact switch KM1-1 of the relay KM1, the contact switch SQ1-1 of a proximity switch SQ1 and the contact switch SQ3-1 of the proximity switch SQ3 are all connected with the forward rotation button SBF in parallel; the second circuit branch comprises a contact switch SQL-2 of a lower limit travel switch SQL and an indicator light L2 which are arranged in series; the third circuit branch comprises a reversal button SBR, a contact switch KT-1 of the relay KT, a contact switch KM1-2 of the relay KM1, a coil of the relay KM2 and a contact switch SQH-1 of an upper limit travel switch SQH which are sequentially arranged in series, wherein the contact switch KA-1 of the relay KA and the contact switch SQ2-1 of the proximity switch SQ2 are connected with the reversal button SBR in parallel, and the coils of the relay KT and the relay KA are connected with a series circuit in which the contact switch KT-1 of the relay KT, the contact switch KM1-2 of the relay KM1 and the coil of the relay KM2 are located in parallel; the fourth circuit branch comprises a contact switch SQH-2 of an upper limit travel switch SQH and an indicator light L4 which are arranged in series; the fifth circuit branch comprises a contact switch KM1-3 of a relay KM1 and an indicator lamp L1 which are arranged in series; the sixth circuit branch comprises a contact switch KM2-1 of a relay KM2 and an indicator lamp L3 which are arranged in series.

Further, in the preferred embodiment of the present invention, the positions of the two parallel connection baffle plates of the support of the swing type travel switch, which are close to the bottom baffle plate, are respectively provided with a rotation axis, and the rotation axis is fixedly connected to the fixing seat on the ground, so that the swing type travel switch rotates along with the rotation axis relative to the ground.

Further, in the preferred embodiment of the present invention, two fixing rings are disposed on the support of the swing type position switch, and the two fixing rings are respectively disposed at symmetrical positions on two parallel connection baffle plates of the support.

Further, in the embodiment of the preferred embodiment of the utility model, still include one and sway formula travel switch and pack up the device, including lift wire rope, fixed pulley and cylinder, wherein, the fixed pulley is fixed in the assigned position who is close to formula travel switch that sways, and lift wire rope walks around the fixed pulley, and the solid fixed ring that sets up on the formula travel switch support that sways is connected to one end, and the cylinder is connected to the other end.

Further, in a preferred embodiment of the present invention, a return spring is disposed between the rocker and one of the connection baffles.

The utility model has the advantages that: the utility model discloses a device that above-mentioned design obtained, swing formula travel switch's structure characteristics enable its receipt, two directions of conversion dumper by the signal that touches the production, owing to be equipped with cylinder elevating gear in addition, therefore the back of using up can be folded, does not occupy the tunnel space and hinders current. The circuit after the transformation can show the operation process of the lifting rod in real time through the indicator lamp, and can also detect the failure of the lifting rod in time through the indicator lamp. The device is made of common visible materials and is simple in processing process. The components such as parts and electrical elements are not complex, the electrical principle is simple, the modification cost is low, and the method has a wide application prospect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a swing type travel switch of a device for preventing a material transporting vehicle from climbing a slope and running.

Fig. 2 is a schematic structural diagram of a swinging travel switch retracting device of a device for preventing a material transporting vehicle from climbing a slope and running.

Fig. 3 is a schematic structural diagram of a forward and reverse rotation circuit of a device for preventing a material transporting vehicle from climbing a slope and running.

Fig. 4 is an implementation schematic diagram of a device for preventing a material transporting vehicle from climbing a slope and running.

Fig. 5 is a schematic structural diagram of another embodiment of the swing type travel switch of the device for preventing the material transporting vehicle from climbing the slope and running.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.

The utility model provides a device for preventing fortune skip climbing sports car, include: the device comprises a swing type travel switch 1, a lifting rod 2 and a forward and reverse rotation circuit 3; fig. 1 is a schematic structural diagram of a swing type travel switch 1 of a device for preventing a material transporting vehicle from climbing a slope and running, which comprises: rocker 11, roller 12 and bracket 13; the bracket 13 is of a frame structure and comprises two connecting baffles 131 which are arranged in parallel and a bottom baffle 132 which is perpendicular to the two connecting baffles, and the height of the bottom baffle 132 is higher than that of the connecting baffle 131; a connecting rod 133 is arranged between the two parallel connecting baffles 131, a rotating shaft 134 is arranged in the middle of the connecting rod 133, and the rotating shaft 134 is vertical to the plane of the bracket; a through hole is arranged on the rod body of the rocker 11, penetrates through the rotating shaft 134 and rotates along the rotating shaft 134; a roller 112 vertical to the rod body is arranged at the bottom end of the rocker 11, and the center of the roller 12 is sleeved on the roller 112, so that the roller 12 rotates on a bottom end baffle 132 along with the movement of the rocker 11; a proximity switch SQ2 and SQ3 are respectively arranged on the two connecting baffles 131, and the maximum stroke of the roller 12 can exceed the position of the proximity switch SQ2 or SQ3 on the connecting baffles 131 when the roller 12 moves along the bottom end baffle 132. Meanwhile, a proximity switch may be provided only on one of the connection flaps 131, and as shown in fig. 5, a proximity switch SQ1 may be provided only on the left connection flap in fig. 5, which is suitable for use when the vehicle is sliding on a slope or descending a slope.

The lifter 2 is provided at a position close to the swing type travel switch 1, and the lifter 2 is provided with an upper limit travel switch SQH, a lower limit travel switch SQL, and a proximity switch SQ. The travel switches (proximity switches) and the wires of the buttons are connected into the 80N switch control circuit, and the 80N switches are actuated by the buttons and the travel switches (or the proximity switches), so that the automatic lifting of the lifting rod is realized. Fig. 5 is a process of the travel switches and the lift lever being lifted and the indicator light being turned. The use principle of the lifting rod 2 is similar to or even identical to that of a common entrance guard, and is not repeated.

The forward and reverse rotation circuit 3 is arranged in a control loop in a lower cavity of the 80N switch and is powered by a main loop through a transformer. The circuit comprises a circuit main circuit and six circuit branches connected in parallel on the circuit main circuit; the circuit main circuit comprises a lifting rod motor, a contact switch SQ of a proximity switch SQ and a stop button SB which are connected in series; the first circuit branch comprises a forward rotation button SBF, a contact switch KM2-2 of a relay KM2, a coil of a relay KM1 and a contact switch SQL-1 of a lower limit travel switch SQL which are connected in series, the first circuit branch comprises a forward rotation button SBF, a contact switch KM2-2 of a relay KM2, a coil of a relay KM1 and a contact switch SQL-1 of a lower limit travel switch SQL, wherein the contact switch KM1-1 of the relay KM1, the contact switch SQ1-1 of a proximity switch SQ1 and the contact switch SQ3-1 of a proximity switch SQ3 are all connected with the forward rotation button SBF in parallel; the second circuit branch comprises a contact switch SQL-2 of a lower limit travel switch SQL and an indicator light L2 which are arranged in series; the third circuit branch comprises a reversal button SBR, a contact switch KT-1 of the relay KT, a contact switch KM1-2 of the relay KM1, a coil of the relay KM2 and a contact switch SQH-1 of an upper limit travel switch SQH which are sequentially arranged in series, wherein the contact switch KA-1 of the relay KA and the contact switch SQ2-1 of the proximity switch SQ2 are connected with the reversal button SBR in parallel, and the coils of the relay KT and the relay KA are connected with a series circuit in which the contact switch KT-1 of the relay KT, the contact switch KM1-2 of the relay KM1 and the coil of the relay KM2 are located in parallel; the fourth circuit branch comprises a contact switch SQH-2 of an upper limit travel switch SQH and an indicator light L4 which are arranged in series; the fifth circuit branch comprises a contact switch KM1-3 of a relay KM1 and an indicator lamp L1 which are arranged in series; the sixth circuit branch comprises a contact switch KM2-1 of a relay KM2 and an indicator lamp L3 which are arranged in series.

Further, in the preferred embodiment of the present invention, the positions of the two parallel connecting baffles 131 of the support 13 of the swing type position switch 1, which are close to the bottom baffle 132, are respectively provided with a rotating shaft 136, and the rotating shaft 136 is fixedly connected to the fixing seat 5 arranged on the ground, so that the swing type position switch 1 rotates along with the rotating shaft 136 relative to the ground.

Further, in the preferred embodiment of the present invention, two fixing rings 135 are disposed on the bracket 13 of the swing type position switch 1, and the two fixing rings 135 are respectively disposed at symmetrical positions on the two parallel connecting baffles 131 of the bracket.

Further, in the preferred embodiment of the present invention, it further includes a swing type travel switch retracting device 4, including lifting steel wire rope 41, fixed pulley 42 and cylinder 43, wherein fixed pulley 42 is fixed at the designated position close to swing type travel switch 1, and lifting steel wire rope 41 walks around fixed pulley 42, and one end is connected to fixed ring 135 provided on swing type travel switch bracket 13, and cylinder 43 is connected to the other end.

Further, in the preferred embodiment of the present invention, a return spring 14 is disposed between the rocker 11 and one of the connection baffles 131.

When the truck is driven to the right, the rocker 11 is pushed to the right to rotate around the rotating shaft 134, the lower roller 12 swings to the left, and when the roller 12 is close to the left proximity switch SQ2, the proximity switch SQ2 is triggered to act, and the normally open contact SQ2-1 connected to the positive and negative circuit 3 is closed. On the contrary, when the material transporting vehicle runs to the left, the proximity switch SQ3 on the right side is triggered to act, and the normally open contact SQ3-1 connected with the positive and negative circuit 3 is closed.

The utility model discloses in, the cylinder 43 of device 4 is packed up to formula travel switch sways is as power with the help of the wind-force in the pressure tuber pipe, draws forth a trachea from the pressure tuber pipe and connects on cylinder 43, as the intake pipe, another trachea of reuse is as the blast pipe. Two air pipes are connected to the three-position four-way electromagnetic valve and then connected to the electromagnetic valve and the two cavities of the cylinder. The expansion of the cylinder is controlled by an electromagnetic valve, the electromagnetic valve is remotely controlled by one double press, the double press is hung near the swing type travel switch 1, and the circuit of the double press is in a inching mode. When the swing type travel switch 1 is not used, the movement of the valve core of the three-position four-way solenoid valve can be controlled by pressing the button, so that the cylinder is shortened to pull the lifting steel wire rope 41 downwards, and the lifting steel wire rope 41 lifts the swing type travel switch 1 upwards through the fixed pulley 42. Thus, the swing type travel switch 1 is erected, and the traffic in a roadway is not influenced. When in use, the swinging type travel switch 1 is lowered by pressing the button. The swing type travel switch 1 is lifted and lowered by wind power in the compressed air pipe, and the workers are not hindered from walking and carrying during non-material carrying.

As shown in fig. 3, a proximity switch normally closed contact SQ is connected in series to the stop button SB, and the proximity switch SQ is mounted on the lifter bar 2 and is triggered when the truck strikes the lifter bar 2. An intermediate relay KA is connected in series with SQ2-1, a normally open contact KA-1 of the intermediate relay is connected with SQ2-1 in parallel for self-protection, and then a delay relay KT is connected, and a delay closed contact KT-1 of the delay relay is connected with KM2 in series. Three master control electrical appliances of KM2, KA and KT are connected in parallel and then connected in series with SQH-1. After the reversing circuit is switched on, the KM2 can be powered after a certain time delay. When the material transporting vehicle is running normally, the speed is slow, and after SQ2-1 is closed, the lifting rod 2 has enough time to lift so as to enable the material transporting vehicle to pass. On the contrary, if the car runs, the reverse circuit cannot be started due to time delay or cannot be lifted to a sufficient height after being started, the material transporting car can collide against the lifting rod 2, and simultaneously SQ is disconnected and stops lifting, so that the effect of intercepting the material transporting car is achieved.

Swing type travel switches 1 are respectively arranged at points B in fig. 4, and swing type travel switches 1 of another embodiment shown in fig. 5 are arranged at points a, and both swing type travel switches 1 are located at the side of the roadway facing outward, and the rocker thereof extends inward. The point A is preferably provided with a swinging travel switch 1 only provided with a proximity switch on the left connecting baffle. When the material transporting vehicle runs to a point A in a downhill direction, the rocker 11 of the swing type travel switch 1 shown in fig. 5 is pushed to swing rightwards, the lower roller 12 swings leftwards, when the distance between the rocker and the left side proximity switch SQ1 is short, the rocker and the swing type travel switch SQ1 are triggered to be closed, the lifting rod motor rotates forwards, the lifting rod 2 descends downwards, and meanwhile, the indicator light L1 is lightened to remind an operator of descending the lifting rod 2. When the lifting rod 2 descends to a horizontal position, the lifting rod collides with a lower limit travel switch SQL, a normally closed contact SQL-1 of the switch is disconnected, the lifting rod 2 stops descending, the L1 is extinguished, meanwhile, a normally open contact SQL-2 of the lifting rod is closed, and an indicator light L2 is lightened to remind an operator of descending the rod in place. When the material transporting vehicle runs to the point B, the rocker 11 of the swing type travel switch 1 swings rightwards, the rotating wheel swings leftwards, when the distance between the rocker and the left side approach switch SQ2 is short, SQ2-1 is closed, after a few seconds of delay, the motor rotates reversely, the lifting rod is lifted, SQL-2 is disconnected, the indicator light L2 is turned off, meanwhile, KM2-1 is closed, the indicator light L3 is lightened, and an operator is reminded that the lifting rod is lifting. When the lifting rod rises to a position close to the vertical position, the lifting rod collides with the upper limit travel switch, the normally closed contact SQH-1 of the switch is disconnected, the lifting rod stops rising, the L3 is extinguished, the normally open contact SQH-2 is closed, the indicator light L4 is lightened, and an operator is prompted to lift the lifting rod in place. When the material transporting vehicle runs upwards from the bottom of a slope, the material transporting vehicle firstly touches the swing type travel switch 1 arranged at the point B, the rocker thereof swings leftwards, the roller 12 swings rightwards, the travel switch SQ3 acts, the action of the lifting rod and the lighting and extinguishing process of the indicator light are the same as the situation that the material transporting vehicle runs downwards from the slope, and the description is omitted. When the material conveying vehicle is properly parked or pulled by another winch, the lifting rod can be lifted by pressing the reversing button SQR.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for preventing a material transporting vehicle from climbing a slope and running, comprising: the swing type travel switch, the lifting rod and the forward and reverse rotation circuit are arranged on the base;

the swing type travel switch comprises a rocker, a roller and a bracket; the support is of a frame structure and comprises two connecting baffles arranged in parallel and a bottom baffle perpendicular to the two connecting baffles, and the height of the bottom baffle is higher than that of the connecting baffles; a connecting rod is arranged between the two parallel connecting baffles, the middle part of the connecting rod is provided with a rotating shaft, and the rotating shaft is vertical to the plane of the bracket; the rocker body is provided with a through hole which passes through the rotating shaft and rotates along the rotating shaft; the bottom end of the rocker is provided with a rolling shaft vertical to the rod body, and the center of the roller is sleeved on the rolling shaft so that the roller rotates on the bottom end baffle along with the movement of the rocker; the two connecting baffles are respectively provided with a proximity switch SQ2 and a proximity switch SQ3, and when the roller moves along the baffle at the bottom end, the maximum stroke exceeds the position of the proximity switch SQ2 or SQ3 on the connecting baffles;

the positive and negative rotation circuit is arranged in a control loop in a lower cavity of an 80N switch and comprises a circuit main circuit and six circuit branches connected in parallel on the circuit main circuit; the circuit main circuit comprises a lifting rod motor, a contact switch SQ of a proximity switch SQ and a stop button SB which are connected in series; the first circuit branch comprises a forward rotation button SBF, a contact switch KM2-2 of a relay KM2, a coil of a relay KM1 and a contact switch SQL-1 of a lower limit travel switch SQL which are connected in series, wherein the contact switch KM1-1 of the relay KM1, the contact switch SQ1-1 of a proximity switch SQ1 and the contact switch SQ3-1 of the proximity switch SQ3 are all connected with the forward rotation button SBF in parallel; the second circuit branch comprises a contact switch SQL-2 of a lower limit travel switch SQL and an indicator light L2 which are arranged in series; the third circuit branch comprises a reversal button SBR, a contact switch KT-1 of the relay KT, a contact switch KM1-2 of the relay KM1, a coil of the relay KM2 and a contact switch SQH-1 of an upper limit travel switch SQH which are sequentially arranged in series, wherein the contact switch KA-1 of the relay KA and the contact switch SQ2-1 of the proximity switch SQ2 are connected with the reversal button SBR in parallel, and the coils of the relay KT and the relay KA are connected with a series circuit in which the contact switch KT-1 of the relay KT, the contact switch KM1-2 of the relay KM1 and the coil of the relay KM2 are located in parallel; the fourth circuit branch comprises a contact switch SQH-2 of an upper limit travel switch SQH and an indicator light L4 which are arranged in series; the fifth circuit branch comprises a contact switch KM1-3 of a relay KM1 and an indicator lamp L1 which are arranged in series; the sixth circuit branch comprises a contact switch KM2-1 of a relay KM2 and an indicator lamp L3 which are arranged in series.

2. The device for preventing the material transporting vehicle from climbing and running as claimed in claim 1, wherein the two parallel connecting baffles of the support of the swing type travel switch are respectively provided with a rotating shaft at a position close to the bottom baffle at the outer side, and the rotating shafts are fixedly connected with a fixed seat arranged on the ground, so that the swing type travel switch rotates relative to the ground along with the rotating shafts.

3. The device for preventing the material transporting vehicle from climbing and running as claimed in claim 1, wherein the two fixing rings are arranged on the support of the swing type travel switch and are respectively arranged at symmetrical positions on two parallel connecting baffles of the support.

4. The device for preventing the material transporting vehicle from climbing and running as claimed in claim 3, further comprising a swinging travel switch retracting device, comprising a lifting steel wire rope, a fixed pulley and a cylinder, wherein the fixed pulley is fixed at a designated position close to the swinging travel switch, the lifting steel wire rope bypasses the fixed pulley, one end of the lifting steel wire rope is connected with a fixed ring arranged on the swinging travel switch bracket, and the other end of the lifting steel wire rope is connected with the cylinder.

5. The apparatus as claimed in claim 1, wherein a return spring is provided between the rocking bar and one of the connection baffles.