阅读说明：本技术 一种煤堆测温装置 (Coal pile temperature measuring device ) 是由 付丙鑫 高立明 于 2021-02-03 设计创作，主要内容包括：本发明公开了一种煤堆测温装置,属于消防安全技术领域；包括外壳、丝杠、螺纹套筒、导电滑块、限位齿轮、电机齿轮组合、端盖、压力传感器、温度传感器及金属探测器；外壳内开设有键槽,外壳内设有丝杠,丝杠外连接有螺纹套筒,螺纹套筒底端设有导电滑块,导电滑块与外壳滑动连接,外壳上端设有限位齿轮,限位齿轮与外壳轴系连接,限位齿轮与外壳可相对转动,限位齿轮内设有凸键,螺纹套筒外壁设有键槽,限位齿轮与螺纹套筒滑动连接,限位齿轮与电机齿轮组合连接,电机齿轮组合与外壳固定连接,螺纹套筒锥体上设有压力传感器,温度传感器,金属探测器；本发明结构简单,可以对煤堆的不同深度进行检测,定位精准,测量准确,提高了安全性。(The invention discloses a coal pile temperature measuring device, belonging to the technical field of fire safety; the device comprises a shell, a lead screw, a threaded sleeve, a conductive sliding block, a limiting gear, a motor gear combination, an end cover, a pressure sensor, a temperature sensor and a metal detector; a key groove is formed in the shell, a lead screw is arranged in the shell, a threaded sleeve is connected outside the lead screw, a conductive sliding block is arranged at the bottom end of the threaded sleeve and is in sliding connection with the shell, a limiting gear is arranged at the upper end of the shell and is connected with a shell shaft system, the limiting gear and the shell can rotate relatively, a convex key is arranged in the limiting gear, the key groove is formed in the outer wall of the threaded sleeve, the limiting gear is in sliding connection with the threaded sleeve and is connected with a motor gear combination, the motor gear combination is fixedly connected with the shell, and a pressure sensor, a temperature sensor and a metal detector are; the coal pile depth detection device is simple in structure, capable of detecting different depths of a coal pile, accurate in positioning and measurement and capable of improving safety.)

1. The utility model provides a coal pile temperature measuring device which characterized in that: the device comprises a shell (1), a lead screw (2), a threaded sleeve (3), a conductive sliding block (4), a limiting gear (5), a motor gear combination (6), an end cover (7), a pressure sensor, a temperature sensor and a metal detector; the shell (1) is cylindrical, a key groove is formed in the shell (1), a lead screw (2) is arranged at the center in the shell (1), a threaded sleeve (3) is connected outside the lead screw (2), an internal thread is formed in the threaded sleeve (3), the upper end of the threaded sleeve (3) is a cone, a conductive slider (4) is arranged at the bottom end of the threaded sleeve (3), the conductive slider (4) is connected with a shaft system of the threaded sleeve (3), a convex key is arranged outside the conductive slider (4), the conductive slider (4) is in sliding connection with the shell (1), an insulator is arranged outside the conductive slider (4), a conductor is arranged on the contact surface of the conductive slider (4) and the threaded sleeve (3), a contact is arranged on the surface of the convex key of the conductive slider (4), a limit gear (5) is arranged at the upper end of the shell (1), the limit gear (5) is connected with the shaft system of the shell (, threaded sleeve (3) outer wall is equipped with the keyway, stop gear (5) are connected with threaded sleeve (3) cooperation, stop gear (5) are connected with motor gear combination (6), motor gear combination (6) and shell (1) fixed connection, stop gear (5) are equipped with end cover (7) with motor gear combination (6) upper end, be equipped with pressure sensor on threaded sleeve (3) cone, a weighing sensor and a temperature sensor, metal detector, threaded sleeve (3) intermediate position is equipped with temperature sensor, be equipped with the wire in threaded sleeve (3) outer wall, pressure sensor is connected to wire one end, a weighing sensor and a temperature sensor, metal detector, the wire other end is connected with conductive sliding block (4) conductor, conductive sliding block (4) contact passes through the convex key and is connected with shell (1) keyway.

Technical Field

The invention relates to a coal pile temperature measuring device, and belongs to the technical field of fire safety.

Background

In coal yard management, self-heating and spontaneous combustion phenomena generally exist, coal pile self-heating and spontaneous combustion not only wastes energy and increases power generation cost, but also seriously pollutes the environment by harmful gases such as carbon monoxide, sulfur dioxide and the like generated by spontaneous combustion. Along with the continuous popularization and the popularization of a mixed combustion system of a power plant, the coal types, the production areas and the sources used by the power plant are more and more, the fuel management work is more and more complex, and a plurality of challenges are faced, wherein the spontaneous combustion phenomenon caused by the heating of a coal pile is more and more serious, the traditional manual coal temperature inspection and 'old combustion and new storage' system is more and more not suitable for the current situation of a coal yard, and the spontaneous combustion phenomenon caused by the heating of the coal pile cannot be effectively restrained.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides the coal pile temperature measuring device which is simple in structure, capable of detecting different depths of a coal pile, accurate in positioning and accurate in measurement, and improves the safety.

The technical scheme adopted by the invention for solving the technical problems is as follows: a coal pile temperature measuring device is arranged below the ground surface and comprises a shell, a screw rod, a threaded sleeve, a conductive sliding block, a limiting gear, a motor gear combination, an end cover, a pressure sensor, a temperature sensor and a metal detector; the shell is cylindrical, a key groove is formed in the shell, a lead screw is arranged in the center in the shell, a threaded sleeve is connected outside the lead screw, internal threads are formed in the threaded sleeve, the upper end of the threaded sleeve is a cone, a conductive slider is arranged at the bottom end of the threaded sleeve and is connected with the threaded sleeve shaft system, the conductive slider and the threaded sleeve can rotate relatively, a convex key is arranged outside the conductive slider and is in sliding connection with the shell, an insulator is arranged outside the conductive slider, a conductor is arranged on the contact surface of the conductive slider and the threaded sleeve, a contact is arranged on the surface of the convex key of the conductive slider, a limit gear is arranged at the upper end of the shell and is connected with the shell shaft system, the limit gear and the shell can rotate relatively, a convex key is arranged on the inner ring of the limit gear, the key groove is formed in the outer wall of the threaded sleeve, the motor gear combination can drive the limit gear to rotate, the upper end of the limit gear and the motor gear combination is provided with an end cover which is level with the ground surface, a conical body of the threaded sleeve is provided with a pressure sensor, a temperature sensor and a metal detector, the middle position of the threaded sleeve is provided with the temperature sensor, the outer wall of the threaded sleeve is provided with a lead, one end of the lead is connected with the pressure sensor, the temperature sensor and the metal detector, the other end of the lead is provided with a contact on the contact surface of the conductive sliding block and the, when the conductive sliding block and the threaded sleeve rotate relatively, the connection between the conducting wire and the conductor can be ensured, the contact of the conductive sliding block is connected with the key groove of the shell through the convex key, when the conductive sliding block and the shell slide relatively, the connection of the conductor and the shell can be ensured, so that the connection of the pressure sensor, the temperature sensor and the metal detector with the outside and the real-time monitoring can be ensured.

The device is arranged below the ground surface, the upper end of the device is level to the ground surface, when the ground surface is full of coal piles, temperature detection needs to be carried out on the coal piles, a motor gear combination is started to drive a limiting gear to rotate, and further drive a threaded sleeve to rotate on a lead screw, so that relative sliding between the threaded sleeve and the limiting gear is realized, relative rotation between the threaded sleeve and a conductive sliding block is realized, and relative sliding between the conductive sliding block and a shell is realized; and then drive pressure sensor, temperature sensor, the metal detector rises to different heights, detect the different degree of depth of coal pile, wherein temperature sensor detects the temperature, pressure sensor can detect the pressure, judge the compactness of the space that the measurement point locates, and then judge the temperature validity that measures, the metal detector can guarantee this device is in the operation in-process, detect the top in advance and have coal shoveling equipment or other mechanical equipment, the metal detector will send the signal to the motor gear combination, make this device will run below the earth's surface, prevent the collision, cause the damage of this device or equipment.

The invention has the beneficial effects that: the coal pile temperature detection device is simple in structure, can detect the temperature of different depths of a coal pile, is accurate in positioning and measurement, avoids potential safety hazards of spontaneous combustion of the coal pile, and improves safety.

Drawings

The invention is further described with reference to the following figures and detailed description.

FIG. 1 is a schematic structural diagram of the present invention.

Reference numbers in the figures:

1. the device comprises a shell, 2, a lead screw, 3, a threaded sleeve, 4, a conductive sliding block, 5, a limiting gear, 6, a motor gear combination, 7 and an end cover.

Detailed Description

As shown in fig. 1, a coal pile temperature measuring device is arranged below the ground surface and comprises a shell 1, a screw rod 2, a threaded sleeve 3, a conductive sliding block 4, a limiting gear 5, a motor gear combination 6, an end cover 7, a pressure sensor, a temperature sensor and a metal detector; the shell 1 is cylindrical, a key groove is formed in the shell 1, a lead screw 2 is arranged at the center in the shell 1, a threaded sleeve 3 is connected outside the lead screw 2, an internal thread is formed in the threaded sleeve 3, the upper end of the threaded sleeve 3 is a cone, a conductive slider 4 is arranged at the bottom end of the threaded sleeve 3, the conductive slider 4 is connected with a shaft system of the threaded sleeve 3, the conductive slider 4 and the threaded sleeve 3 can rotate relatively, a convex key is arranged outside the conductive slider 4, the conductive slider 4 is connected with the shell 1 in a sliding manner, an insulator is arranged outside the conductive slider 4, a conductor is arranged on the contact surface of the conductive slider 4 and the threaded sleeve 3, a contact point is arranged on the surface of the convex key of the conductive slider 4, a limit gear 5 is arranged at the upper end of the shell 1, the limit gear 5 is connected with the shaft system of the shell 1, the limit gear 5 and the shell 1 can rotate relatively, the limiting gear 5 is connected with a motor gear combination 6, the motor gear combination 6 is fixedly connected with the shell 1, the motor gear combination 6 can drive the limiting gear 5 to rotate, an end cover 7 is arranged at the upper end of the limiting gear 5 and the motor gear combination 6, the end cover 7 is level with the ground surface, a pressure sensor, a temperature sensor and a metal detector are arranged on a cone of the threaded sleeve 3, a temperature sensor is arranged at the middle position of the threaded sleeve 3, a lead is arranged in the outer wall of the threaded sleeve 3, one end of the lead is connected with the pressure sensor, the temperature sensor and the metal detector, a contact point is arranged at the contact surface of the conductive sliding block 4 and the threaded sleeve 3 at the other end of the lead, when the conductive sliding block 4 and the threaded sleeve 3 rotate relatively, the connection between the lead and a conductor can be ensured, the contact point of the conductive sliding, the connection between the conductor and the shell 1 can be ensured, so that the connection between the pressure sensor, the temperature sensor and the metal detector and the outside can be ensured, and the real-time monitoring can be realized.

The specific operation mode is as follows:

the device is arranged below the earth surface, the upper end of the device is level to the earth surface, when the earth surface is full of coal piles, the temperature in the coal piles needs to be detected, the motor gear combination 6 is started to drive the limiting gear 5 to rotate, and further drive the threaded sleeve 3 to rotate on the lead screw 2, so that the relative sliding between the threaded sleeve 3 and the limiting gear 5 is realized, the relative rotation between the threaded sleeve 3 and the conductive sliding block 4 is realized, and the relative sliding between the conductive sliding block 4 and the shell 1 is realized; and then drive pressure sensor, temperature sensor, the metal detector rises to different levels, detect the different degree of depth of coal pile, wherein temperature sensor detects the temperature, pressure sensor can detect the pressure, judge the compactness of the space that the measurement point locates, and then judge the temperature validity that measures, the metal detector can guarantee this device is in the operation, detect the top in advance and have coal shoveling equipment or other mechanical equipment, the metal detector will send the signal to motor gear combination 6, make this device will run below the earth's surface, prevent to bump, cause the damage of this device or equipment.