An apparatus for accurately measuring a well pipe

Abstract

The utility model discloses a device of accurate surveying drilling pipe, include: laser range finder launching device is fixed to the drilling pipe male end, and the reflection device is fixed to the drilling pipe female end, the upper end of laser range finder launching device is equipped with the sliding slot, and the inner wall of sliding slot is equipped with locking structure, and the side end of laser range finder launching device is equipped with the equipment cavity, and the upper portion of equipment cavity is installed with power, and the middle portion is installed with the ranging platform, and the lower portion is installed with data remote transmitter, and power is connected with data remote transmitter, laser range finder is connected with ranging platform, and power is connected with laser range finder, the bottom of baffle bar is connected with laser range finder, and baffle bar top end is set up from sliding slot, and the inner wall of sliding slot is equipped with locking structure, and locking structure is fixed to the location of baffle bar, and the receiving plate is inner arc and is installed in the laser range finder launching device away from equipment cavity end, and the middle of receiving plate is equipped with the light transmission hole, and receiving plate is connected with data remote transmitter, the utility model solves the problem of drilling site data measurement and record difficulty.

Claims

1. A device for accurately measuring drilling pipes, characterized in that, include: A laser ranging transmitter (1) and a reflecting device (2) are provided. The laser ranging transmitter (1) is fixed to the male end of the drilling pipe, and the reflecting device (2) is fixed to the female end of the drilling pipe. A sliding groove (3) is provided on the upper end of the laser ranging transmitter (1), and a locking structure (4) is provided on the inner wall of the sliding groove (3). An equipment cavity is provided on the side end of the laser ranging transmitter. A power supply (5) is installed in the upper part of the equipment cavity, a ranging platform (6) is installed in the middle, and a data transmitter (7) is installed in the lower part. The power supply (5) is electrically connected to the data transmitter (7) to provide energy. A laser rangefinder (8) is slidably connected to the upper surface of the ranging platform (6). The power supply (5) is electrically connected to the laser rangefinder (8) to provide energy; the stop bar (9) is fixedly connected to the laser rangefinder (8) at its bottom end and extends out of the sliding groove (3) at its top end. The inner wall of the sliding groove (3) is provided with a locking structure (4) which limits and fixes the stop bar (9); the receiving plate (10) is arc-shaped and installed at the end of the laser ranging transmitter (1) away from the equipment cavity. The receiving plate (10) has a light-transmitting hole (11) in the middle that is horizontal to the light source of the laser rangefinder (8). The receiving plate (10) is electrically connected to the data transmitter (7).

2. The device for accurately measuring drilling pipes according to claim 1, characterized in that: The inner horizontal wall of the sliding groove (3) is arc-shaped.

3. The device for accurately measuring drilling pipes according to claim 1, characterized in that: When the stop bar (9) moves axially along the sliding groove (3), it drives the locking structure (4) to move axially along the sliding groove (3), and drives the laser rangefinder (8) to slide axially on the upper surface of the ranging platform (6).

4. The device for accurately measuring drilling pipes according to claim 1, characterized in that: The locking structure (4) includes a ball groove (401), a resistance ball (402), a spring (403), and a blocking block (404). The ball groove (401) is horizontally arranged inside the stop bar (9). The resistance ball (402) is installed in the ball groove (401). The spring (403) is installed in the ball groove (401). The two ends of the spring (403) are fixedly connected to the two resistance balls (402) respectively. The outer wall of the resistance ball (402) is slidably connected to the inner wall of the sliding groove (3). The blocking block (404) is arranged at the upper and lower ends of both sides of the ball groove (401).

5. The device for accurately measuring drilling pipes according to claim 4, characterized in that: The diameter of the ball groove (401) is equal to the diameter of the resistance ball (402), and the sum of the diameters of the two resistance balls (402) and the length of the spring (403) is greater than the width of the ball groove (401).

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