CN207485418U - For the rod boring velocity measuring device of middle wind pressure medium-length hole portable dth drill - Google Patents

Abstract

The utility model discloses a drilling speed measuring device for a medium-deep-hole light submersible drilling machine with medium wind pressure, which solves the problem that the medium-deep hole light-weight submersible drilling machine under wind pressure in the prior art cannot be accurately drilled and excavated in underground chambers. Master the drilling speed of the drilling rig. The utility model includes a storage box, all of which are arranged on a gear shaft, a detection gear, a rotational speed sensor and a steel ruler in the placement box, and the rotational speed sensor is connected with an intelligent rotational speed digital display; The steel ruler is horizontally located in the placement box, the outer end of the steel ruler is connected with a steel wire, and the steel ruler is connected to the tail end of the drilling rig through the steel wire, and the placement box is provided with a steel wire for threading the steel wire on the same horizontal line as the steel ruler hole. The utility model has the advantages of simple structure, scientific and reasonable design, and convenient use. It can monitor the drilling speed of the drilling rig in real time and provide accurate data for accurately predicting the detailed engineering geological conditions of the drilling area.

Description

Measuring device for drilling speed of drill pipe used in medium wind pressure, medium and deep hole light down-the-hole drilling rig

technical field

The utility model relates to a measuring device for the drilling speed of a drilling rod used for a light down-the-hole drilling machine for medium and deep holes under medium wind pressure.

Background technique

In the prior art, when the air-pressure medium-deep hole light DTH drilling rig is in the drilling and blasting construction of the underground chamber, the grasp of the drilling speed of the drilling rig in the drilling and drilling is all judged by the experience of the operator captain, and a set of accurate and accurate drilling rigs has not been formed. The efficient acquisition system of the drilling speed of the drilling rig cannot accurately grasp the drilling speed of the drilling rig, so that the detailed engineering geological conditions of the drilling area cannot be accurately predicted.

Utility model content

The technical problem to be solved by the utility model is: to provide a measuring device for the drilling speed of the drill pipe used for medium-deep-hole light-duty down-the-hole drilling rigs with medium-wind pressure, and to solve the problem of drilling explosions in underground chambers of medium-deep-hole light-weight down-the-hole drilling rigs under wind pressure in the prior art. The problem that the drilling speed of the drilling rig cannot be accurately grasped during the excavation construction.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

The drilling speed measuring device for the medium and deep hole light-duty down-the-hole drilling rig with medium wind pressure includes a placement box, a gear shaft, a detection gear, a speed sensor and a steel ruler all arranged in the placement box, and the gear shaft is vertical It is directly installed in the storage box and can rotate freely relative to the storage box. The detection gear is coaxially sleeved on the gear shaft and can rotate synchronously with the gear shaft. The speed sensor is located in the One side of the detecting gear is used to detect the rotating speed of the detecting gear in real time, and the rotating speed sensor is connected with the intelligent rotating speed digital display device arranged on the outer wall of the storage box through a lead wire; The gear teeth on the shaft are matched with the ruler teeth, and the ruler teeth are meshed with the gear teeth on the gear shaft, so that when the steel ruler moves, the gear shaft is driven to rotate, and the steel ruler is horizontally located at the In the storage box, the outer end of the steel ruler is connected with a steel wire, and the steel ruler is connected to the tail end of the drilling rig through the steel wire. A steel wire hole for the steel wire.

Further, the sensor is a magnetoelectric sensor.

Further, the installation gap between the sensor and the detection gear is 0-5mm.

Further, the working voltage of the sensor is DC5-28V.

Further, the outer end of the steel ruler is connected to the steel wire through a connecting buckle.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model has simple structure, scientific and reasonable design, and is easy to use. It can monitor the drilling speed of the drilling rig in real time, and provide accurate data for accurately predicting the detailed engineering geological conditions of the drilling area.

(2) The utility model is provided with a gear shaft, a detection gear, a speed sensor and a steel ruler in the placement box, and one end of the steel ruler is connected to the tail end of the drilling rig through a steel wire, and the steel ruler is connected to the gear shaft through the ruler teeth on the steel ruler at the same time. Mesh, the detection gear is coaxially sleeved on the gear shaft, and the speed sensor is located on the side of the detection gear. When the drilling rig is working, the steel wire drives the steel ruler to run, and the steel ruler drives the gear shaft to rotate. The detection gear and the gear shaft rotate synchronously. The speed sensor Real-time detection of the rotation speed of the gear, and the detected information is transmitted to the intelligent speed digital display for display. The measured data is accurate and can provide accurate data for accurate forecasting of the detailed engineering geological conditions in the drilling area. At the same time, general operators can also real-time Accurately mastering the drilling speed of the drilling rig can greatly save labor costs.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Among them, the names corresponding to the reference signs are:

1-placement box, 2-gear shaft, 3-detection gear, 4-speed sensor, 5-steel ruler, 6-intelligent speed digital display, 7-connection buckle, 8-steel wire, 9-steel wire hole.

Detailed ways

The utility model will be further described below in conjunction with the description of the drawings and the embodiments, and the mode of the utility model includes but not limited to the following embodiments.

As shown in Figure 1, the drilling speed measuring device for medium and deep hole light down-the-hole drilling rigs provided by the utility model has a simple structure, scientific and reasonable design, and is easy to use. It can monitor the drilling speed of the drilling rig in real time. Accurately predict the detailed engineering geological conditions of the drilling area and provide accurate data. The utility model comprises a placement box 1, a gear shaft 2, a detection gear 3, a speed sensor 4 and a steel ruler 5 are all arranged in the placement box 1, and the gear shaft 2 is vertically arranged in the placement box 1 and It can rotate freely relative to the placement box 1, the detection gear 3 is coaxially sleeved on the gear shaft 2 and can rotate synchronously with the gear shaft 2, and the speed sensor 4 is located on the detection gear 3 One side is used for detecting the rotating speed of described detection gear 3 in real time, and described rotating speed sensor 4 is connected with the intelligent rotating speed digital display instrument 6 that is located on the outer wall of described placement box 1 by lead wire; The gear teeth on the gear shaft 2 are matched with the teeth on the gear shaft 2, and the teeth on the gear shaft 2 are meshed, so that the steel ruler 5 drives the gear shaft 2 to rotate when it moves, so The steel ruler 5 is horizontally located in the storage box 1, the outer end of the steel ruler 5 is connected with a steel wire 8, and the steel ruler 5 is connected with the tail end of the drilling rig through the steel wire 8, and the storage box 1 is placed A steel wire hole 9 for passing the steel wire 8 is arranged on the same level as the steel ruler 5 .

The sensor 4 of the utility model is a magnetoelectric sensor, the installation gap between the sensor 4 and the detection gear 3 is 0-5mm, the working voltage of the sensor 4 is DC5-28V, and the steel ruler 5 The outer end is connected with the steel wire 8 through the connecting buckle 7.

The utility model sets a gear shaft, a detection gear, a speed sensor and a steel ruler in the storage box, and one end of the steel ruler is connected to the tail end of the drilling rig through a steel wire, and at the same time, the steel ruler meshes with the gear shaft through the teeth on the steel ruler to detect The gear is coaxially sleeved on the gear shaft, and the speed sensor is located on the side of the detection gear. When the drilling rig is working, the steel wire drives the steel ruler to run, and the steel ruler drives the gear shaft to rotate. The detection gear and the gear shaft rotate synchronously, and the speed sensor detects and detects in real time. The rotation speed of the gear, and the detected information is transmitted to the intelligent speed digital display for display. The measured data is accurate and can provide accurate data for accurate forecasting of the detailed engineering geological conditions in the drilling area. At the same time, the general operator can also accurately grasp the drilling rig in real time Drilling speed can greatly save labor costs.

The rotational speed sensor used in the utility model is a magnetoelectric sensor, the main body of the sensor is a magnetic sensitive element, and the trigger material is a gear, a rack, a groove or a hole made of steel. Working voltage is DC5-28V; output signal: square wave pulse (signal amplitude: high level ≈ power supply voltage, low level ≤ 0.3V), stable amplitude, long-distance transmission; protection design: polarity and short circuit protection; Measurement accuracy: ±1 pulse. There is an amplification and shaping circuit inside, and the measurement starts at zero speed, and the maximum frequency is above 15KHZ.

The above-mentioned embodiment is only one of the preferred embodiments of the present utility model, and should not be used to limit the protection scope of the present utility model, but any modification or embellishment without substantive meaning made on the main design idea and spirit of the present utility model, If the technical problems it solves are still consistent with the utility model, they should all be included in the protection scope of the utility model.

Claims (5)

1. The drilling speed measuring device for the medium and deep hole light down-the-hole drilling rig with medium wind pressure, characterized in that: it includes a placement box (1), and the gear shaft (2) is all arranged in the placement box (1) , detection gear (3), rotational speed sensor (4) and steel ruler (5), described gear shaft (2) is vertically arranged in described placement box (1) and can be freely relative to described placement box (1) Rotate, the detection gear (3) is coaxially sleeved on the gear shaft (2) and can rotate synchronously with the gear shaft (2), the speed sensor (4) is located on the detection gear (3 ) side is used for real-time detection of the rotating speed of the detection gear (3), and the rotating speed sensor (4) is connected with the intelligent rotating speed digital display (6) arranged on the outer wall of the placement box (1) through a lead wire; The steel ruler (5) is provided with ruler teeth matching the gear teeth on the gear shaft (2), and the ruler teeth are meshed with the gear teeth on the gear shaft (2), so that the When the steel ruler (5) moves, the gear shaft (2) is driven to rotate, the steel ruler (5) is horizontally positioned in the storage box (1), and the outer end of the steel ruler (5) is connected with a steel wire ( 8), and the steel ruler (5) is connected to the tail end of the drilling rig through the steel wire (8), and the placement box (1) is provided on the same horizontal line as the steel ruler (5). The steel wire hole (9) of steel wire (8). 2. The device for measuring the drilling speed of a drill pipe for a medium-to-deep-hole light down-the-hole drilling machine with medium wind pressure according to claim 1, characterized in that: the sensor (4) is a magnetoelectric sensor. 3. The device for measuring the drilling speed of the drill pipe used for medium and deep hole light down-the-hole drilling rigs with medium wind pressure according to claim 2, characterized in that: the distance between the sensor (4) and the detection gear (3) The installation clearance is 0-5mm. 4. The device for measuring the drilling speed of the drill pipe used in medium-wind and deep-hole light down-the-hole drilling rigs according to claim 3, characterized in that: the working voltage of the sensor (4) is DC5-28V. 5. The drilling rod penetration speed measuring device for medium and deep hole light down-the-hole drilling rigs with medium wind pressure according to claim 4, characterized in that: the outer end of the steel ruler (5) is connected with the connecting buckle (7) The steel wire (8) is connected.