CN110615332A - Simple detection device for measuring response time of tractor brake - Google Patents

Abstract

The invention discloses a simple detection device for measuring the response time of a traction machine brake. Voltage regulator, DC voltmeter, microcomputer chronograph, reset switch, double-layer switch, double-connected air switch and overload protection mechanism, the overload protection mechanism is located below the voltage regulator, and the top of the overload protection mechanism is connected with an insulating protective cover by bolts . In the present invention, when the power supply of the brake in the double-layer switch is cut off, the double-layer switch sends a timing signal to the microcomputer chronograph. At this time, after the brake is in place, the microswitch on the brake acts, and the microswitch sends the timing stop signal to the microcomputer chronograph. When the microcomputer chronograph stops working, the corresponding time of the brake can be known by observing the value on the microcomputer chronograph. The detection process saves time and effort, and is easy for operators to use.

Description

A simple detection device for measuring the response time of the traction machine brake

technical field

The invention relates to a detection device, in particular to a simple detection device for measuring the response time of a traction machine brake.

Background technique

Elevator refers to the permanent transportation equipment that serves several specific floors in the building, and its car runs on at least two rigid rails that are perpendicular to the horizontal plane or less than fifteen degrees from the plumb line. With the development of the economy, With the progress of society, elevators are widely used as a means of vertical transportation. The operation of elevators is usually inseparable from the traction machine. As a safety component of the elevator, the brake can brake the traction machine. The braking response time is an important indicator. If the response time is too long, it will directly affect the safety performance of the elevator. The traditional detection device is detected by the torque sensor and the oscilloscope. Since the torque value of the torque sensor needs to be read during the detection, the traction machine must be docked. On the torque sensor, the detection is time-consuming and laborious, and it is inconvenient to use. Therefore, we improve this and propose a simple detection device for measuring the response time of the traction machine brake.

Contents of the invention

In order to solve the problems of the technologies described above, the present invention provides the following technical solutions:

The invention is a simple detection device for measuring the response time of a traction machine brake, which comprises a box body, a rectifying plate is arranged at the bottom of the inner cavity of the box body, and a box cover is connected to the top of the box body through bolts, and the box cover The top is embedded with a voltage regulator, a DC voltmeter, a microcomputer chronograph, a reset switch, a double-layer switch, a double-connected air switch and an overload protection mechanism. The top of the overload protection mechanism is connected with an insulating protective cover by bolts. The protection mechanism is located below the voltage regulator, the DC voltmeter is located on the right side of the voltage regulator, the microcomputer chronograph is located below the DC voltmeter, and the reset switch is located between the microcomputer chronograph and the double-layer switch. The double-connected air switch is located between the overload protection mechanism and the double-layer switch.

As a preferred technical solution of the present invention, the overload protection mechanism is composed of an insulating seat, a metal connecting seat, a connecting hole, a connecting screw, a low melting point metal and a first threading hole, and the number of the metal connecting seat is two, The bottoms of the two metal connecting seats are fixedly connected with the tops of the insulating seats.

As a preferred technical solution of the present invention, the number of the connection holes is four, and the four connection holes are respectively opened on two metal connection seats.

As a preferred technical solution of the present invention, the number of the connecting screws is four, and the four connecting screws are respectively threaded on the tops of the two metal connecting seats, and the bottom ends of the four metal connecting seats respectively extend to the interior of the four connecting holes.

As a preferred technical solution of the present invention, the number of the low-melting-point metals is two, and the two low-melting-point metals are arranged between two metal connecting seats, and the two ends of the two low-melting-point metals They are respectively located inside the four connection holes.

As a preferred technical solution of the present invention, the number of the first threading holes is four, and the four first threading holes are all opened on the insulating base, and the four first threading holes are equally divided into two groups , and the two sets of first threading holes are respectively located on both sides of the two metal connecting seats.

As a preferred technical solution of the present invention, the voltage regulator, the reset switch and the double-layer switch are all electrically connected to the traction machine brake power supply and the microcomputer timer, and the double-connected air switch is electrically connected to the rectifier plate, The rectifying plate is electrically connected with the overload protection mechanism.

As a preferred technical solution of the present invention, two second threading holes are opened on one side of the box, and the size and shape of the two second threading holes are the same.

The beneficial effects of the present invention are: the simple detection device for measuring the response time of the brake of the traction machine, when the power supply of the brake in the double-layer switch is cut off, the double-layer switch sends a timing signal to the microcomputer timer, and at this time, after the brake is in place, the brake on the brake The microswitch moves, and the microswitch sends the timing stop signal to the microcomputer chronograph. At this time, the microcomputer chronograph stops working. By observing the value on the microcomputer chronograph, you can know the corresponding time of the brake. The detection process saves time and effort, and is easy to operate. When used by the operator, when the detection device is overloaded, the low-melting-point metal will fuse, thereby breaking the circuit of the device, thereby preventing the device from being damaged by the overload of the circuit. The mechanism can be used repeatedly, which improves the practicability of the detection device.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is a schematic structural view of a simple detection device for measuring the response time of the traction machine brake in the present invention;

Fig. 2 is a partial sectional structural schematic diagram of a simple detection device for measuring the response time of the traction machine brake according to the present invention;

Fig. 3 is a structural schematic diagram of an overload protection mechanism of a simple detection device for measuring the response time of the traction machine brake according to the present invention.

In the figure: 1. Box body; 2. Box cover; 3. Voltage regulator; 4. DC voltmeter; 5. Microcomputer timer; 6. Reset switch; 7. Double-layer switch; 8. Double air switch; 9 , overload protection mechanism; 91, insulating seat; 92, metal connecting seat; 93, connecting hole; 94, connecting screw; 95, low melting point metal; 96, first threading hole; 10, second threading hole; 11, rectifying plate ; 12. Insulation protective cover.

Detailed ways

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Embodiment: As shown in Fig. 1, Fig. 2 and Fig. 3, a simple detection device for measuring the response time of the traction machine brake according to the present invention comprises a box body 1, a rectifying plate 11 is arranged at the bottom of the inner cavity of the box body 1, and the box body 1 The top of the body 1 is connected with a box cover 2 by bolts, and the top of the box cover 2 is embedded with a voltage regulator 3, a DC voltmeter 4, a microcomputer timer 5, a reset switch 6, a double-layer switch 7, a double air switch 8 and Overload protection mechanism 9, the top of the overload protection mechanism 9 is connected with an insulating protective cover 12 by bolts, the overload protection mechanism 9 is located below the voltage regulator 3, the DC voltmeter 4 is located on the right side of the voltage regulator 3, and the microcomputer timer 5 is located on the right side of the voltage regulator 3. Below the DC voltmeter 4, the reset switch 6 is located between the microcomputer timer 5 and the double-layer switch 7, and the double air switch 8 is located between the overload protection mechanism 9 and the double-layer switch 7.

Among them, the overload protection mechanism 9 is composed of an insulating seat 91, a metal connecting seat 92, a connecting hole 93, a connecting screw 94, a low-melting point metal 95 and a first threading hole 96. The number of the metal connecting seats 92 is two, and the two metal connecting seats The bottom of the seat 92 is fixedly connected with the top of the insulating seat 91 , and the mutual cooperation between the insulating seat 91 and the insulating protective cover 12 can protect the components on the insulating seat 91 .

Wherein, there are four connecting holes 93 , and the four connecting holes 93 are respectively opened on the two metal connecting seats 92 , and the low melting point metal 95 and the metal connecting seats 92 can be connected together by setting the connecting holes 93 .

Wherein, the quantity of connecting screw 94 is four, and four connecting screws 94 are respectively threaded on the top of two metal connecting seats 92, and the bottom ends of four metal connecting seats 92 respectively extend to the inside of four connecting holes 93, through The connection screw 94 is provided to fix the low-melting-point metal 95 inserted into the connection hole 93 .

Wherein, the number of low-melting-point metals 95 is two, and the two low-melting-point metals 95 are arranged between the two metal connecting seats 92, and the two ends of the two low-melting-point metals 95 are respectively located inside the four connecting holes 93, When the detection device is overloaded, the low-melting-point metal 95 is fused, so that the device is disconnected, thereby preventing the device from being damaged due to circuit overload. The low-melting-point metal 95 can be tin wire.

Wherein, the number of the first threading holes 96 is four, and the four first threading holes 96 are all opened on the insulating seat 91, and the four first threading holes 96 are divided into two groups, and the first threading holes 96 of the two groups are respectively Located on both sides of the two metal connection seats 92 , the wires can be introduced into the connection holes 93 from the inside of the box body 1 by setting the first threading holes 96 .

Among them, the voltage regulator 3, the reset switch 6 and the double-layer switch 7 are all electrically connected with the traction machine brake power supply and the microcomputer timer 5, the double air switch 8 is electrically connected with the rectifier plate 11, and the rectifier plate 11 is connected with the overload protection The mechanism 9 is electrically connected, and the on-off of the entire circuit of the detection device can be controlled through the double air switch 8. The applicable model of the voltage regulator 3 is a BAT41600B type voltage regulator, and the applicable model of the DC voltmeter 4 is YSD-VA type DC voltmeter, the applicable model of microcomputer chronograph 5 is CSY-6 type microcomputer chronograph, the applicable model of reset switch 6 is 6LA16Y-11D reset switch, and the applicable model of double air switch 8 is KMCB-C-2P type double air switch.

Wherein, one side of the box body 1 is provided with two second threading holes 10 , the size and shape of the two second threading holes 10 are all the same, and the wires can be passed into the box body 1 by setting the second threading holes 10 .

When working, first connect one end of the two wires to the circuit of the brake, then pass the other end of the two wires through the second threading hole 10 and then pass through the two first threading holes 96 and insert them into the first metal wire respectively. In the two connecting holes 93 on the connecting base 92, then use two wires to insert respectively in the two connecting holes 93 on the other metal connecting base 92, then pass the two ends of the wires through the other two first threading holes 96 and be connected to the second threading hole 10 after being introduced into the casing 1, then turn the voltage regulator 3 and select a suitable voltage according to the actual situation. When the brake power supply in the double-layer switch 7 is cut off, the double-layer switch 7 Give the timing signal to the microcomputer timing instrument 5, and after the microswitch on the brake moves in place under the restoring action of the brake spring, the microswitch will give the timing stop signal to the microcomputer timing instrument 5, and now the microcomputer timing instrument 5 stops working. Observing the value on the microcomputer timer 5 can know the corresponding time of the brake, and if the detection device is overloaded during the detection process, the low melting point metal 95 will be fused, thereby making the device open circuit, thereby preventing the circuit overload from causing damage to the device. The fusing low-melting point metal 95 can be replaced after the connecting screw 94 is unscrewed, so that the overload protection mechanism 9 can be used repeatedly, and the practicability of the detection device is improved.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal" etc. is based on the orientation or positional relationship shown in the drawings, and is only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (8)

1. A simple detection device for measuring the response time of the traction machine brake, comprising a box (1), characterized in that, the bottom of the inner cavity of the box (1) is provided with a rectifying plate (11), and the box The top of (1) is connected with a box cover (2) by bolts, and the top of the box cover (2) is embedded with a voltage regulator (3), a DC voltmeter (4), a microcomputer timer (5), and a reset switch (6), double-layer switch (7), double-connected air switch (8) and overload protection mechanism (9), the top of the overload protection mechanism (9) is connected with an insulating protective cover (12) by bolts, and the overload The protection mechanism (9) is positioned under the voltage regulator (3), the DC voltmeter (4) is positioned on the right side of the voltage regulator (3), and the microcomputer chronograph (5) is positioned on the side of the DC voltmeter (4). Below, the reset switch (6) is located between the microcomputer timer (5) and the double-layer switch (7), and the double air switch (8) is located between the overload protection mechanism (9) and the double-layer switch (7). between. 2. A simple detection device for measuring the response time of the traction machine brake according to claim 1, characterized in that the overload protection mechanism (9) is composed of an insulating seat (91), a metal connecting seat (92), and a connecting holes (93), connecting screws (94), low-melting point metal (95) and the first threading hole (96), the number of the metal connecting seat (92) is two, and the two metal connecting seats (92) ) are all fixedly connected with the top of the insulating seat (91). 3. A simple detection device for measuring the response time of the traction machine brake according to claim 2, characterized in that, the number of the connecting holes (93) is four, and the four connecting holes (93) are respectively Offer on two metal connecting seats (92). 4. A simple detection device for measuring the response time of the traction machine brake according to claim 2, characterized in that, the number of the connecting screws (94) is four, and the four connecting screws (94) are respectively The threads are connected to the tops of the two metal connection seats (92), and the bottom ends of the four metal connection seats (92) respectively extend to the insides of the four connection holes (93). 5. A simple detection device for measuring the response time of a traction machine brake according to claim 2, characterized in that, the number of said low-melting-point metals (95) is two, and two said low-melting-point metals (95) ) are arranged between the two metal connecting seats (92), and the two ends of the two low-melting point metals (95) are respectively located inside the four connecting holes (93). 6. A simple detection device for measuring the response time of the traction machine brake according to claim 2, characterized in that, the number of the first threading holes (96) is four, and the four first threading holes (96) are all opened on the insulating seat (91), and the four first threading holes (96) are equally divided into two groups, and the two groups of first threading holes (96) are respectively located on the two metal connection seats (92) on both sides. 7. A simple detection device for measuring the response time of the traction machine brake according to claim 1, characterized in that the voltage regulator (3), the reset switch (6) and the double-layer switch (7) are all connected with The traction machine brake power supply is electrically connected to the microcomputer timer (5), the double air switch (8) is electrically connected to the rectifying plate (11), and the rectifying plate (11) is electrically connected to the overload protection mechanism (9). sexual connection. 8. A simple detection device for measuring the response time of the traction machine brake according to claim 1, characterized in that, one side of the box (1) is provided with two second threading holes (10), two The size and shape of the second threading holes (10) are the same.