Tool special for axial pressure bearing test of drill rod

Abstract

The utility model belongs to the technical field of testing tools, and particularly relates to a tool special for axial pressure bearing testing of a drill rod, which comprises a base, two ends of the base are fixedly connected with sliding rods, the outer sides of the sliding rods are sleeved with a connecting seat in a sliding mode, the upper end of the connecting seat is fixedly connected with a supporting frame, and the inside of the supporting frame is connected with a limiting rod in a sliding mode. The ends, away from the supporting frame, of the limiting rods are fixedly connected with clamping plates, springs are arranged on the outer sides of the limiting rods, and one ends of the springs make contact with the supporting frame. By arranging the connecting seats, the threaded rods, the wheels and the like, the threaded rods and the connecting seats can be in threaded motion by rotating the threaded rods, so that the two connecting seats move in opposite directions, and the positions of the two supporting frames can be adjusted; the problem that the special tool for the axial pressure bearing test of the drill rod cannot be adjusted according to the length of the drill rod when being used is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of testing tooling, in particular to a special tooling for axial pressure bearing test of a drill rod. Background Art

[0002] According to the utility model with patent authorization announcement number CN204752771U, a drill rod is disclosed, which includes a main shaft, a drill bit is connected to the top of the main shaft, a flow channel and an air duct are arranged in the main shaft, the flow channel is located at the central axis of the main shaft, the air duct is located on the outside of the flow channel, a water outlet is arranged in the drill bit, the drill bit is composed of 4 head fixing blocks, air outlets are arranged between the head fixing blocks, the water outlets are located on the inside between the head fixing blocks, the top of the head fixing block is connected to the drill head, and the drill head is a T-shaped structure. When the drill rod is used, a pressure test device is required to test the axial pressure bearing effect of the drill rod, and when the axial pressure bearing test of the drill rod is performed, a special test tool is required to position the drill rod, and when the special tool for the axial pressure bearing test of the drill rod is used, it cannot be adjusted according to the length of the drill rod, and is not suitable for drill rods of different diameters. Utility Model Content

[0003] The utility model aims to provide a special tool for testing the axial pressure of a drill rod, which solves the problem that the special tool for testing the axial pressure of a drill rod cannot be adjusted according to the length of the drill rod when in use and is not suitable for drill rods of different diameters.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special tooling for axial pressure bearing test of drill pipe, comprising a base, two ends of the base are fixedly connected with sliding rods, the outer side of the sliding rod is slidably sleeved with a connecting seat, the upper end of the connecting seat is fixedly connected with a support frame, the inner sliding connection of the support frame is a limiting rod, the end of the limiting rod away from the support frame is fixedly connected with a clamping plate, a spring is arranged on the outer side of the limiting rod, one end of the spring contacts the support frame, and the other end of the spring contacts the clamping plate, the inner rotation connection of the base is a threaded rod, the inner rotation connection of the base is a rotating shaft, the lower end of the rotating shaft is fixedly connected with a first bevel gear, the outer side of the threaded rod is fixedly connected with a second bevel gear, and the first bevel gear meshes with the second bevel gear.

[0005] Preferably, each of the connecting seats is provided with wheels inside, and the number of the wheels is four. The design of the wheels can make the connecting seat move more smoothly.

[0006] Preferably, a limiting ring is fixedly connected inside the connecting seat, and the limiting ring is slidably connected to the sliding rod. The limiting ring can limit the sliding rod through the design of the limiting ring.

[0007] Preferably, the threaded rod is provided with positive and negative threads, and the threaded rod is connected to the connecting seat through threads. Through the design of the threaded rod, the two connecting seats can be driven to move at the same time.

[0008] Preferably, a baffle is fixedly connected to the outer side of the threaded rod, and the baffle is in contact with the base. The design of the baffle can limit the threaded rod.

[0009] Preferably, a limit plate is fixedly connected to the outer side of the rotating shaft, and the limit plate is in contact with the base. The limit plate can play a limiting role on the rotating shaft through the design of the limit plate.

[0010] Preferably, a knob is fixedly connected to the upper end of the rotating shaft, and the knob is in contact with the base. The rotating shaft can be easily rotated through the design of the knob.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model is provided with a connecting seat, a threaded rod, a wheel and other components. The threaded rod can be rotated to make a threaded movement between the threaded rod and the connecting seat, so that the two connecting seats move in opposite directions, so that the positions of the two support frames can be adjusted, solving the problem that the special tooling for the axial pressure test of the drill rod cannot be adjusted according to the length of the drill rod when it is used.

[0013] 2. The utility model provides components such as a limit rod, a spring, and a clamping plate, and the spring can drive the clamping plate to fit the surface of the drill rod, so that drill rods of different diameters can be placed in the support frame and remain stable. The drill rods of different diameters can be limited, and the problem that the special tooling for the axial pressure test of the drill rod is not suitable for drill rods of different diameters when used is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A side cross-sectional view of

[0016] Figure 3 For the utility model Figure 1 A front cross-sectional view of

[0017] Figure 4 For the utility model Figure 2 A magnified view of the structure of part A;

[0018] Figure 5 For the utility model Figure 3 Enlarged view of the structure of part B in .

[0019] In the figure: 1, base; 2, sliding rod; 3, connecting seat; 31, wheel; 4, limiting ring; 5, supporting frame; 51, limiting rod; 52, clamping plate; 53, spring; 6, threaded rod; 61, baffle; 62, rotating shaft; 63, limiting plate; 64, first bevel gear; 65, second bevel gear; 66, knob. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 A special tooling for axial pressure bearing test of drill pipe comprises a base 1, two ends of the base 1 are fixedly connected with sliding rods 2, the outer side of the sliding rod 2 is slidably sleeved with a connecting seat 3, each connecting seat 3 is internally installed with a wheel 31, and the number of wheels 31 is four. Through the design of the wheel 31, the connecting seat 3 can move more smoothly, and the connecting seat 3 is internally fixedly connected with a limiting ring 4, which is slidably connected to the sliding rod 2. Through the design of the limiting ring 4, the sliding rod 2 can be limited.

[0022] See also Figure 2-5 The upper end of the connecting seat 3 is fixedly connected to a support frame 5, and the internal sliding connection of the support frame 5 is a limiting rod 51, and the end of the limiting rod 51 away from the support frame 5 is fixedly connected to a clamping plate 52, and a spring 53 is arranged on the outer side of the limiting rod 51, one end of the spring 53 contacts the support frame 5, and the other end of the spring 53 contacts the clamping plate 52. The internal rotation of the base 1 is connected to a threaded rod 6, and the threaded rod 6 is provided with positive and negative threads. The threaded rod 6 is threadedly connected to the connecting seat 3. Through the design of the threaded rod 6, the two connecting seats 3 can be driven to move at the same time, and the outer side of the threaded rod 6 is fixedly connected to the baffle 61, and the baffle 61 contacts the base 1. Through the design of the baffle 61, the threaded rod 6 can be limited.

[0023] See also Figure 2-5 The base 1 is internally rotatably connected with a rotating shaft 62, and the outer side of the rotating shaft 62 is fixedly connected with a limiting plate 63, and the limiting plate 63 contacts the base 1. Through the design of the limiting plate 63, the rotating shaft 62 can be limited. The lower end of the rotating shaft 62 is fixedly connected with a first bevel gear 64, and the outer side of the threaded rod 6 is fixedly connected with a second bevel gear 65. The first bevel gear 64 is meshed with the second bevel gear 65. The upper end of the rotating shaft 62 is fixedly connected with a knob 66, and the knob 66 ​​contacts the base 1. Through the design of the knob 66, the rotating shaft 62 can be easily rotated.

[0024] The specific implementation process of the utility model is as follows: when in use, by rotating the knob 66, the knob 66 ​​drives the rotating shaft 62 to rotate, the rotating shaft 62 drives the first bevel gear 64 to rotate, the first bevel gear 64 drives the second bevel gear 65 to rotate, and the second bevel gear 65 drives the threaded rod 6 to rotate, so that the threaded rod 6 and the connecting seat 3 are threadedly moved, so that the connecting seat 3 moves on the threaded rod 6, the spacing between the connecting seats 3 can be adjusted, and the position of the support frame 5 on the connecting seat 3 can be adjusted, so that it is suitable for drill rods of different lengths;

[0025] By moving the clamping plate 52 toward the direction close to the support frame 5, the clamping plate 52 drives the limiting rod 51 to slide in the support frame 5, and the clamping plate 52 squeezes the spring 53, and then the drill rod is inserted into the support frame 5 and placed between multiple clamping plates 52, and then the clamping plate 52 is released, the elastic force of the spring 53 drives the clamping plate 52 to clamp the drill rod, thereby limiting the drill rod, so that the clamp can be suitable for drill rods of different specifications.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special tool for testing the axial pressure of a drill pipe, comprising a base (1), characterized in that: The two ends of the base (1) are fixedly connected with sliding rods (2), the outer side of the sliding rod (2) is slidably sleeved with a connecting seat (3), the upper end of the connecting seat (3) is fixedly connected with a supporting frame (5), the inner side of the supporting frame (5) is slidably connected with a limiting rod (51), one end of the limiting rod (51) away from the supporting frame (5) is fixedly connected with a clamping plate (52), the outer side of the limiting rod (51) is provided with a spring (53), one end of the spring (53) contacts the supporting frame (5), and the other end of the spring (53) contacts the clamping plate (52), the inner side of the base (1) is rotatably connected with a threaded rod (6), the inner side of the base (1) is rotatably connected with a rotating shaft (62), the lower end of the rotating shaft (62) is fixedly connected with a first bevel gear (64), the outer side of the threaded rod (6) is fixedly connected with a second bevel gear (65), and the first bevel gear (64) is meshed with the second bevel gear (65).

2. A special tool for drilling rod axial pressure test according to claim 1, characterized in that: A wheel (31) is installed inside each of the connecting seats (3), and the number of the wheels (31) is four.

3. The special tooling for axial pressure test of drill pipe according to claim 1, characterized in that: A limiting ring (4) is fixedly connected inside the connecting seat (3), and the limiting ring (4) is slidably connected to the sliding rod (2).

4. The special tooling for axial pressure bearing test of drill pipe according to claim 1, characterized in that: The threaded rod (6) is provided with positive and negative threads, and the threaded rod (6) is connected to the connecting seat (3) via threads.

5. The special tooling for drilling rod axial pressure test according to claim 1, characterized in that: A baffle (61) is fixedly connected to the outer side of the threaded rod (6), and the baffle (61) is in contact with the base (1).

6. The special tooling for drilling rod axial pressure test according to claim 1, characterized in that: The outer side of the rotating shaft (62) is fixedly connected to a limiting plate (63), and the limiting plate (63) is in contact with the base (1).

7. The special tooling for drilling rod axial pressure test according to claim 1, characterized in that: The upper end of the rotating shaft (62) is fixedly connected with a knob (66), and the knob (66) is in contact with the base (1).

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