Hydraulic vertical vibration test board for petroleum drilling tool
By introducing lifting cylinders and clamping mechanisms into the hydraulic vertical vibration test bench of petroleum drilling tools, the problem of cumbersome and unstable use of test benches in the prior art is solved, and unified testing of tools of different lengths and high accuracy vibration frequency is achieved. Measurement reduces the impact of high-pressure water pipes.
Patent Information
- Application Number
- CN202420912122.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-28
AI Technical Summary
The hydraulic vertical vibration test bench of existing oil drilling tools is cumbersome to use and requires test joints of different sizes. The vibration test results are greatly affected by high-pressure water pipelines, and the sensor connection is unstable, resulting in inaccurate data.
A hydraulic vertical vibration test bench including a lifting cylinder, a bracket, a sleeve and a clamping mechanism is designed. The lifting cylinder makes the sleeve slide up and down. The clamping mechanism is used to fix the tool of clamping the oil cylinder and the clamping tooth fixing plate, and a column is added. and top support plates for improved stability, and the inner diameter of the sleeve is expanded to avoid sensor collision.
It realizes a unified test joint for tools of different lengths of the same model, improves the stability and accuracy of the test bench, reduces the impact of high-pressure water pipes, simplifies the use process and improves the reliability of vibration test results.
Smart Images

Figure CN222258647U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of oil drilling, in particular to a hydraulic vertical vibration test bench for oil drilling tools. Background Art
[0002] Figure 1 A hydraulic vertical vibration test bench for oil drilling tools in the prior art is shown. At present, the existing vertical vibration test bench is relatively cumbersome in use. Different test joints are required to connect and test oil drilling tools of different sizes. For tools of the same model with different lengths, test joints of different lengths are required. In addition, during use, the vibration test bench is greatly affected by the vibration of the high-pressure water pipeline, causing the vibration test bench itself to shake to a certain extent, which has a great impact on the test results of the tool. And when testing large-sized tools, the sensor connecting rod is prone to collide with the inner wall of the sleeve, making the test data inaccurate. Utility Model Content
[0003] The utility model provides a hydraulic vertical vibration test bench for oil drilling tools to solve at least one of the above technical problems.
[0004] To solve the above problems, as one aspect of the utility model, a hydraulic vertical vibration test bench for oil drilling tools is provided, comprising: a lifting cylinder, a bracket, a sleeve and a clamping mechanism, the lifting cylinder being connected to the bracket, the sleeve being slidable up and down on the bracket, the lifting cylinder driving the sleeve to rise and fall, and the clamping mechanism being arranged at the upper end of the sleeve.
[0005] Preferably, the bracket includes a base, a column and a top support plate, the top support plate is connected to the upper ends of the plurality of columns, the lower ends of the columns are connected to the base, the sleeve is slidably connected to the columns, and reinforcing ribs are provided between the base and the columns and / or between the columns and the top support plate.
[0006] Preferably, a cover plate is welded to one side of the base.
[0007] Preferably, a notch is formed on the top support plate, and a baffle is provided at the notch via a latch.
[0008] Preferably, a sleeve fixing seat is provided at the upper end of the sleeve, and the sleeve fixing seat is slidably connected to the bracket.
[0009] Preferably, the clamping mechanism comprises a clamping cylinder and a jaw fixing plate, the clamping cylinder is connected to the sleeve fixing seat via a clamping cylinder fixing seat, and the jaw fixing plate is connected to the free end of the clamping cylinder.
[0010] Preferably, an L-shaped fixing block is provided on the edge of the sleeve fixing seat, a slide groove is formed between the L-shaped fixing block and the sleeve fixing seat, a clamping slider is provided in the slide groove, and the jaw fixing plate is connected to the clamping slider.
[0011] Preferably, a positioning block is provided on the edge of the sleeve fixing seat, a positioning hole is provided on the bracket, and the positioning block is connected to the positioning hole via a positioning pin.
[0012] Preferably, the inner diameter of the sleeve is greater than or equal to 387 mm.
[0013] Preferably, the column is an I-beam.
[0014] In the above technical solution, the utility model can lift the sleeve of the test bench up and down along the bracket through the lifting cylinder. The realization of the lifting function makes it only need one test structure joint when testing tools of the same model but different lengths, which saves costs and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A hydraulic vertical vibration test bench for oil drilling tools in the prior art is schematically shown;
[0016] Figure 2 The structure of the hydraulic vertical vibration test bench for oil drilling tools in the utility model is schematically shown. Figure 1 ;
[0017] Figure 3 The structure of the hydraulic vertical vibration test bench for oil drilling tools in the utility model is schematically shown. Figure 2 .
[0018] The reference numerals in the figure are: lifting cylinder 1; sleeve 2; base 3; column 4; top support plate 5; reinforcing rib 6; cover plate 7; notch 8; latch 9; baffle 10; sleeve fixing seat 11; clamping cylinder 12; jaw fixing plate 13; clamping cylinder fixing seat 14; L-shaped fixing block 15; clamping slide block 16; positioning block 17; positioning hole 18; positioning pin 19. DETAILED DESCRIPTION
[0019] The following is a detailed description of the embodiments of the present invention, but the present invention can be implemented in many different ways as defined and covered by the claims.
[0020] As one aspect of the utility model, a hydraulic vertical vibration test bench for oil drilling tools is provided, which belongs to the vibration frequency test equipment of oil drilling tools and is a special test equipment for testing the vibration frequency of oil drilling tools, comprising: a lifting cylinder 1, a bracket, a sleeve 2 and a clamping mechanism, wherein the lifting cylinder 1 is connected to the bracket, the sleeve 2 is slidably arranged on the bracket, the lifting cylinder 1 drives the sleeve 2 to rise and fall, and the clamping mechanism is arranged at the upper end of the sleeve 2. Preferably, the column 4 is an I-beam.
[0021] When it is necessary to conduct a vibration test on the oil drilling tool, the relevant test joint is connected to the oil drilling tool, the vibration test sensor is connected to the bottom of the oil drilling tool, the oil drilling tool is fixed to the top support plate of the bracket, the lifting cylinder 1 is controlled to make the sleeve 2 rise or fall to a suitable position, the clamping mechanism fixes the oil drilling tool, the high-pressure water pipeline is connected to the test joint on the upper part of the oil drilling tool, and then the water pump is turned on for testing. Among them, the vibration test sensor is connected to the test software of the external computer, and the data obtained by the test software is processed to obtain the relevant curve and results of the vibration frequency.
[0022] In the above technical scheme, the utility model can lift the sleeve 2 of the test bench up and down along the bracket through the lifting cylinder 1. The realization of the lifting function makes it possible to test tools of the same model but different lengths with only one test structure joint, which saves costs and is more convenient to use.
[0023] Preferably, the bracket includes a base 3, columns 4 and a top support plate 5, the top support plate 5 is connected to the upper ends of the plurality of columns 4, the lower ends of the columns 4 are connected to the base 3, the sleeve 2 is slidably connected to the columns 4, and reinforcing ribs 6 are provided between the base 3 and the columns 4 and / or between the columns 4 and the top support plate 5. Preferably, a cover plate 7 is welded to one side of the base 3. In this preferred embodiment, the hydraulic vertical vibration test bench in the utility model has four columns 4 as supports, and welded reinforcing ribs 6 are welded on the base 3 and the top support plate 5, while the test bench in the prior art has only two columns 4 as supports, which improves the overall stability of the test bench, improves the accuracy of the test results, and makes the use process more convenient.
[0024] Preferably, a notch 8 is formed on the top support plate 5, and a baffle 10 is provided at the notch 8 through a latch 9. In this way, oil drilling tools and the like can be placed through the notch 8.
[0025] Preferably, a sleeve fixing seat 11 is provided at the upper end of the sleeve 2, and the sleeve fixing seat 11 is slidably connected to the bracket.
[0026] Preferably, the clamping mechanism comprises a clamping cylinder 12 and a jaw fixing plate 13, wherein the clamping cylinder 12 is connected to the sleeve fixing seat 11 via a clamping cylinder fixing seat 14, and the jaw fixing plate 13 is connected to the free end of the clamping cylinder 12. The clamping cylinder 12 can clamp the tool via the jaw fixing plate 13.
[0027] Preferably, an L-shaped fixing block 15 is provided at the edge of the sleeve fixing seat 11, a slide groove is formed between the L-shaped fixing block 15 and the sleeve fixing seat 11, a clamping slider 16 is provided in the slide groove, and the jaw fixing plate 13 is connected to the clamping slider 16. In this way, during the process of the jaw fixing plate 13, the clamping slider 16 can be used for guidance, and the slide groove can be used for upper and lower direction limit, thereby improving the stability of the tool.
[0028] Preferably, a positioning block 17 is provided at the edge of the sleeve fixing seat 11, a positioning hole 18 is provided on the bracket, and the positioning block 17 is connected to the positioning hole 18 through a positioning pin 19. When the positioning block 17 is lifted to a suitable height, the height of the positioning block 17 can be locked by the positioning pin 19 to improve stability.
[0029] Preferably, the inner diameter of the sleeve 2 is greater than or equal to 387 mm. Thus, the inner diameter of the sleeve 2 is expanded from the original 280 to 387, so that when testing large-sized tools, the test sensor will no longer have a chance to touch the inner cylinder, making the test result more accurate and reliable.
[0030] The utility model can measure the vibration frequency of tools of different sizes. During use, the test bench is significantly less affected by the high-pressure water pipeline, and the vibration test bench is more stable, making the vibration test results more accurate. In addition, an oil cylinder that can play a lifting role is added, so that the vibration test bench can be freely lifted and lowered under the action of the lifting oil cylinder. Only one test joint is needed for tools of the same model but different lengths, which is more convenient to use. When testing large-sized tools, the sensor will no longer touch the inner wall of the sleeve.
[0031] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A hydraulic vertical vibration test bench for oil drilling tools, characterized in that: include: A lifting cylinder (1), a bracket, a sleeve (2) and a clamping mechanism, wherein the lifting cylinder (1) is connected to the bracket, the sleeve (2) is slidably arranged on the bracket, the lifting cylinder (1) drives the sleeve (2) to rise and fall, and the clamping mechanism is arranged at the upper end of the sleeve (2).
2. The hydraulic vertical vibration test bench for oil drilling tools according to claim 1, characterized in that: The bracket comprises a base (3), a column (4) and a top support plate (5); the top support plate (5) is connected to the upper ends of the plurality of columns (4); the lower ends of the columns (4) are connected to the base (3); the sleeve (2) is slidably connected to the columns (4); and reinforcing ribs (6) are provided between the base (3) and the columns (4) and / or between the columns (4) and the top support plate (5).
3. The hydraulic vertical vibration test bench for oil drilling tools according to claim 2, characterized in that: A cover plate (7) is welded to one side of the base (3).
4. The hydraulic vertical vibration test bench for oil drilling tools according to claim 2, characterized in that: A notch (8) is formed on the top support plate (5), and a baffle (10) is arranged at the notch (8) via a latch (9).
5. The hydraulic vertical vibration test bench for oil drilling tools according to claim 1, characterized in that: A sleeve fixing seat (11) is provided at the upper end of the sleeve (2), and the sleeve fixing seat (11) is slidably connected to the bracket.
6. The hydraulic vertical vibration test bench for oil drilling tools according to claim 5, characterized in that: The clamping mechanism comprises a clamping cylinder (12) and a jaw fixing plate (13); the clamping cylinder (12) is connected to the sleeve fixing seat (11) via a clamping cylinder fixing seat (14); and the jaw fixing plate (13) is connected to the free end of the clamping cylinder (12).
7. The hydraulic vertical vibration test bench for oil drilling tools according to claim 6, characterized in that: An L-shaped fixing block (15) is arranged at the edge of the sleeve fixing seat (11), a slide groove is formed between the L-shaped fixing block (15) and the sleeve fixing seat (11), a clamping slide block (16) is arranged in the slide groove, and the jaw fixing plate (13) is connected to the clamping slide block (16).
8. The hydraulic vertical vibration test bench for oil drilling tools according to claim 6, characterized in that: A positioning block (17) is provided on the edge of the sleeve fixing seat (11), a positioning hole (18) is provided on the bracket, and the positioning block (17) is connected to the positioning hole (18) via a positioning pin (19).
9. The hydraulic vertical vibration test bench for oil drilling tools according to claim 1, characterized in that: The inner diameter of the sleeve (2) is greater than or equal to 387 mm.
10. The hydraulic vertical vibration test bench for oil drilling tools according to claim 2, characterized in that: The column (4) is an I-beam.
