Vertical shaft construction stable vehicle dynamic balance system

Abstract

The utility model discloses a vertical shaft construction stable vehicle dynamic balance system which comprises a ground control room arranged on the ground, a first stable vehicle group and a second stable vehicle group are arranged on the ground around a wellhead of a vertical shaft, a hanging scaffold is arranged in the vertical shaft, and steel cable connecting points of the hanging scaffold are connected with tension sensors. The first stable vehicle group and the second stable vehicle group are respectively connected with tension sensors on steel cable connecting points on the hanging scaffold through steel cables, the tension sensors are in communication connection with an underground data acquisition unit, the underground data acquisition unit respectively acquires real-time tension data of each tension sensor, and the underground data acquisition unit is in communication connection with a ground control room. The tension sensors are arranged to detect tension data of all positions of the hanging scaffold in real time, and the host on the ground is used for monitoring and analyzing the tension data, so that the dynamic state of the hanging scaffold is judged in real time, the stable trolley is matched to control the PLC, the stable trolley is regulated and controlled, the balance of the hanging scaffold is dynamically adjusted, and stable operation of the hanging scaffold is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shaft sinking intelligent control technical field, specifically a vertical shaft construction stable car dynamic balance system. BACKGROUND

[0002] With the increasing demand of society for coal, the mining capacity is continuously improved, and the mining depth is continuously increased, which is an inevitable trend of underground mining, and the shaft sinking project is a key project of mine construction. In the vertical shaft wellbore excavation construction process, the hanging platform is generally suspended in the wellbore by using the stable car, due to the large weight and diameter of the hanging platform, in order to ensure the stability and safety of the hanging platform, six steel wires are used to suspend three layers of hanging platforms in the wellbore, and the hanging platform is raised or lowered according to the needs of the engineering progress. Due to the use of multiple stable cars, the stable cars need to run synchronously when the hanging platform runs up and down, so as to ensure that the hanging platform runs stably in a horizontal state, but in the actual running process, the synchronous precision of the stable car and the influence of the equipment itself, such as the different friction of the steel wire, cannot ensure that the actual running speed of each connection position point of the hanging platform is completely the same, and the hanging platform may be inclined. SUMMARY

[0003] Therefore, the technical problem to be solved by the utility model is to provide a vertical shaft construction stable car dynamic balance system which can ensure the stability of the hanging platform in up and down operation.

[0004] In order to solve the above technical problem, the utility model provides the following technical scheme: a vertical shaft construction stable car dynamic balance system, which comprises a ground control room arranged on the ground, a first stable car group and a second stable car group arranged on the ground around the vertical shaft wellhead, a hanging platform arranged in the vertical shaft, a tension sensor connected to each steel cable connection point of the hanging platform, the first stable car group and the second stable car group connected to the tension sensor on the steel cable connection point of the hanging platform through a steel cable, a downhole data collector in communication connection with the tension sensor, the downhole data collector collecting real-time tension data of each tension sensor, and the downhole data collector in communication connection with the ground control room.

[0005] The distance between the tension sensor on each steel cable connection point of the hanging platform and the surface of the hanging platform is equal.

[0006] The steel cable connection points of the hanging platform are symmetrically distributed on the hanging platform.

[0007] The first stable car group and the second stable car group are symmetrically distributed on both sides of the vertical shaft wellhead.

[0008] The number of the stable cars in the first stable car group is the same as the number of the stable cars in the second stable car group.

[0009] The overhead sheave is arranged above the wellhead, the steel cable passes through the sheave and enters the shaft and is connected with the hanging platform.

[0010] The ground control room is provided with a ground server and a switch, the downhole data collector is in communication connection with the switch through the communication optical cable, and the switch is in communication connection with the ground server.

[0011] The ground control room is provided with a stable car control PLC, and the stable car control PLC is in communication connection with each stable car in the first stable car group and each stable car in the second stable car group.

[0012] The stable car control PLC is in communication connection with a host computer in the ground control room, and the ground server and the switch are in communication connection with the host computer.

[0013] The safety rope is connected with the steel cable at one end and connected with the connection point of the steel cable on the hanging platform at the other end, and the length of the safety rope is greater than the length of the tension sensor.

[0014] The technical scheme of the utility model has the following beneficial technical effects:

[0015] The tension data of the positions of the hanging platform are detected in real time by the tension sensors, the tension data are monitored and analyzed by the host computer on the ground, the dynamic of the hanging platform is judged in real time, the stable cars are regulated and controlled by the stable car control PLC, the hanging platform is dynamically adjusted, the stable operation of the hanging platform is realized, compared with the traditional manual adjustment of the hanging platform, the operation efficiency and the balance precision of the stable car of the hanging platform are greatly improved, the engineering progress time is saved, and the safety of the stable car of the hanging platform is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a stable car dynamic balance system for shaft construction.

[0017] The reference signs in the drawing are as follows: 1 is a ground control room, 2 is a ground server, 3 is a switch, 4 is a host computer, 5 is a stable car control PLC, 6 is a communication optical cable, 7 is a first stable car group, 8 is a second stable car group, 9 is a downhole data collector, 10 is a tension sensor, 11 is a shaft, 12 is a hanging platform, and 13 is a sheave. DETAILED DESCRIPTION

[0018] A vertical shaft construction stable car dynamic balance system in the embodiment, as shown, includes a ground control room 1 arranged on the ground, a first stable car group 7 and a second stable car group 8 arranged on the ground around the vertical shaft wellhead, a hanging platform 12 arranged in the vertical shaft, a tension sensor 10 connected to each steel cable connection point of the hanging platform 12, the first stable car group 7 and the second stable car group 8 connected to the tension sensor 10 on the steel cable connection point of the hanging platform 12 through a steel cable, the tension sensor 10 in communication connection with a downhole data collector 9, the downhole data collector 9 collecting real-time tension data of each tension sensor 10, the downhole data collector 9 in communication connection with the ground control room 1, the tension sensor 10 sending tension data to the downhole data collector 9, and the collection frequency not less than 200 ms. Figure 1

[0019] The distance between the tension sensor 10 on each steel cable connection point of the hanging platform 12 and the surface of the hanging platform 12 is equal, and the steel cable connection points of the hanging platform 12 are symmetrically distributed on the hanging platform 12.

[0020] The first stable car group 7 and the second stable car group 8 are symmetrically distributed on both sides of the vertical shaft wellhead, the number of stable cars in the first stable car group 7 is the same as that in the second stable car group 8, a crown wheel 13 is arranged above the wellhead, and the steel cable enters the vertical shaft after passing through the crown wheel 13 and is connected to the hanging platform 12.

[0021] The ground control room 1 is provided with a ground server 2 and a switch 3, the downhole data collector 9 is in communication connection with the switch 3 through a communication optical cable 6, the switch 3 is in communication connection with the ground server 2, a stable car control PLC 5 is arranged in the ground control room 1, the stable car control PLC 5 is in communication connection with each stable car in the first stable car group 7 and the second stable car group 8, respectively, the stable car control PLC 5 is in communication connection with a host computer 4 in the ground control room 1, the ground server 2 and the switch 3 are in communication connection with the host computer 4, the downhole data collector 9 sends tension data to the host computer 4 after receiving the tension data, the host computer 4 analyzes the tension data in real time, and sends real-time steel wire rope tension to the downhole data collector 9 installed on the upper hanging platform by using a 485 communication modbusRTU protocol.

[0022] The ground server 2 is installed with a vertical shaft construction stable car suspension dynamic balance monitoring software, which can monitor the steel wire rope tension and the data interaction between the stable car dynamic balance host computer and the stable car control system in real time, and store the above data in a database, and users can check the real-time steel wire rope tension and the strategy response of the stable car dynamic balance host computer.

[0023] ​The tension sensor 10 is provided with a safety rope on one side, one end of the safety rope is connected with the steel cable, the other end of the safety rope is connected with the connection point of the steel cable on the hanging plate 12, the length of the safety rope is greater than the length of the tension sensor 10.

[0024] 1、When the hanging plate is lifted

[0025] The average tension T of the six steel cables is obtained by collection and calculation, when the tension T1 of a certain steel cable exceeds the average tension T by a% (the value can be set), it is determined that the hanging plate 12 is tilted to the opposite direction of the T1 tension steel cable; at this time, the winch J1 where the T1 steel cable is located is slowed down or stopped, when the tension value T1 is consistent with T, the winch J1 continues to perform the lifting operation, and so on.

[0026] 2、When the hanging plate is lowered

[0027] The average tension T of the six steel cables is obtained by collection and calculation, when the tension T1 of a certain steel cable exceeds the average tension T by b% (the value can be set), it is determined that the hanging plate 12 is tilted to the opposite direction of the T1 tension steel cable; at this time, the running frequency of the winch J1 where the T1 steel cable is located is dynamically increased, the increase range of the running frequency can be set in advance, so as to increase the descending speed of the winch, when T1 is consistent with T, the winch J1 returns to the original running frequency, and so on.

[0028] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. All the embodiments do not need to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the patent application claims.

Claims

1. A vertical shaft construction jumbo dynamic balancing system, characterized by, The application relates to a ground control room (1) arranged on the ground, a first stable car group (7) and a second stable car group (8) arranged on the ground around the well mouth of a vertical shaft, a hanging platform (12) arranged in the vertical shaft, a tension sensor (10) connected to each cable connecting point of the hanging platform (12), the first stable car group (7) and the second stable car group (8) connected to the tension sensor (10) of the cable connecting point of the hanging platform (12) through cables, a downhole data collector (9) in communication connection with the tension sensor (10), the downhole data collector (9) collecting real-time tension data of each tension sensor (10), and the downhole data collector (9) in communication connection with the ground control room (1).

2. A shaft construction stabilizer dynamic balancing system according to claim 1, characterized in that, The distance between the tension sensor (10) of each cable connecting point of the hanging platform (12) and the surface of the hanging platform (12) is equal.

3. A vertical shaft construction jumbo dynamic balancing system according to claim 1, characterized in that, The cable connecting points of the hanging platform (12) are symmetrically distributed on the hanging platform (12).

4. A shaft construction stabilizer dynamic balancing system according to claim 1, characterized in that, The first stable car group (7) and the second stable car group (8) are symmetrically distributed on the two sides of the well mouth of the vertical shaft.

5. A shaft construction winder dynamic balancing system according to claim 4, characterised in that, The number of stable cars in the first stable car group (7) is equal to the number of stable cars in the second stable car group (8).

6. A shaft construction stabilizer dynamic balancing system according to claim 5, characterized in that, A head sheave (13) is arranged above the well mouth, the cable passes through the head sheave (13) and enters the vertical shaft and is connected to the hanging platform (12).

7. A vertical shaft construction jumbo dynamic balancing system according to claim 1, characterized in that, A ground server (2) and a switch (3) are arranged in the ground control room (1), the downhole data collector (9) is in communication connection with the switch (3) through a communication optical cable (6), and the switch (3) is in communication connection with the ground server (2).

8. A shaft construction stabilizer dynamic balancing system according to claim 7, characterized in that, A stable car control PLC (5) is arranged in the ground control room (1), and the stable car control PLC (5) is in communication connection with each stable car in the first stable car group (7) and the second stable car group (8).

9. A shaft construction stabilizer dynamic balancing system according to claim 8, characterized in that, The stable car control PLC (5) is in communication connection with a host computer (4) in the ground control room (1), and the ground server (2) and the switch (3) are in communication connection with the host computer (4).

10. A shaft construction stabilizer dynamic balancing system according to claim 1, characterized in that, An insurance rope is arranged on one side of the tension sensor (10), one end of the insurance rope is connected to the cable, the other end of the insurance rope is connected to the cable connecting point of the hanging platform (12), and the length of the insurance rope is greater than the length of the tension sensor (10).

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