Drilling fluid loading capacity testing device

Abstract

The utility model provides a drilling fluid loading capacity testing device, which belongs to the technical field of drilling fluid testing and comprises a sealing shell assembly and a pressure testing mechanism, a control assembly in bolted connection is arranged on the front side of the top of the sealing shell assembly, and a feeding loading assembly in bolted connection is arranged on the inner side of the top end of the sealing shell assembly. The output end of the feeding bearing assembly is provided with a pressure testing mechanism which is connected in a sleeved mode. The pressure testing mechanism comprises a valve block, a valve ring, a valve plug, a telescopic strip, a first oil cylinder, an acceleration pump, a pressurizing cabin, a duct pipe, an overhead cover, a second oil cylinder and a pressurizing plug. According to the utility model, the valve plug above the valve ring is matched with the upper telescopic strip, the valve ring and the valve plug are intermittently opened after the first oil cylinder outputs power, and the intermittent pressurizing effect can be effectively realized in the machining process after the upper pressurizing cabin, the duct pipe, the overhead cover, the second oil cylinder and the pressurizing plug output power; and the measurement precision of calculation is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling fluid testing, in particular to a drilling fluid pressure bearing capacity testing device. Background Art

[0002] Drilling fluid is a general term for various circulating fluids that meet the needs of drilling work with their multiple functions during the drilling process. Drilling fluid is the blood of drilling, also known as drilling flushing fluid. Drilling fluid can be divided into clean water, mud, clay-free flushing fluid, emulsion, foam and compressed air according to its composition. Clean water is the earliest drilling fluid used. It does not require treatment and is easy to use. It is suitable for intact rock formations and areas with sufficient water resources. Mud is a widely used drilling fluid, mainly suitable for loose, fractured, prone to collapse and block falling, and unstable rock formations with water swelling and peeling.

[0003] When the existing loading and unloading device is in use, such as the application number CN201721102689.4, a test device for testing the anti-backflow of drilling fluid plugging agents, it is related to a test device for testing the anti-backflow of drilling fluid plugging agents. In the above-mentioned technology, the equipment is easy to allow liquid to seep out after pressurization, which affects the detection accuracy of the equipment. Therefore, the utility model proposes a drilling fluid pressure bearing capacity test device to solve the problems existing in the prior art. Summary of the invention

[0004] In view of the above problems, the utility model proposes a drilling fluid pressure bearing capacity testing device, which mainly utilizes the valve plug above the valve ring to cooperate with the telescopic strip and the first oil cylinder to output power to make the valve ring and the valve plug intermittently open, and cooperates with the pressure chamber, the duct pipe, the top cover, the second oil cylinder and the pressure plug to output power to effectively perform intermittent pressurization effect according to the processing process, so that the measurement accuracy of the calculation is guaranteed.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a drilling fluid pressure bearing capacity testing device, comprising a shell assembly and a pressure testing mechanism, a control assembly connected by bolts is arranged on the top front side of the shell assembly, a feed bearing assembly connected by bolts is arranged on the inner side of the top end of the shell assembly, and a pressure testing mechanism connected by a sleeve is arranged on the output end of the feed bearing assembly;

[0006] The pressure testing mechanism includes a valve block, a valve ring, a valve plug, a telescopic strip, a first oil cylinder, an acceleration pump, a pressurization chamber, a duct pipe, a top cover, a second oil cylinder and a pressurization plug. The valve block is sleeved and connected to the output end of the feed bearing assembly. The output end of the valve block is provided with a valve ring, and the inner top side of the valve ring is provided with a valve plug. A telescopic strip connected to the output end of the first oil cylinder is provided below the middle of the valve plug. The output end of the valve block is provided with an acceleration pump, and the output end of the acceleration pump is provided with a pressurization chamber, the inner side of the pressurization chamber is provided with a duct pipe, the top of the pressurization chamber is provided with a top cover, the bottom of the pressurization chamber is provided with a second oil cylinder, and the output end of the second oil cylinder is provided with a pressurization plug.

[0007] As a preferred embodiment of the present invention, the central axis of the top cover is on the same straight line as the central axis of the second oil cylinder and the central axis of the pressurizing plug.

[0008] As a preferred embodiment of the utility model, the shell assembly includes a cushion block, a bottom plate, a side frame, a center plate, a side guard plate and a top plate, the bottom plate is arranged above the cushion block, and the side frame is arranged on the side of the bottom plate, the center plate is arranged on the top side of the side frame, and the two ends of the center plate are connected to the top plate by side guard plate bolts.

[0009] As a preferred embodiment of the utility model, the control component includes a front panel, control buttons, a pressure display screen, a time display screen and a temperature display screen. The front panel is arranged on the front side of the side guard plate, the control buttons are arranged on the lower side of the front panel, and the pressure display screen, the time display screen and the temperature display screen are respectively arranged on the upper side of the front panel.

[0010] As a preferred embodiment of the present utility model, the feed bearing assembly includes a bolt sleeve, a bearing cabin, a heating chamber, a side base, a ring insert shell, a top cover, a cross sleeve and a positioning screw. The bolt sleeve is bolted to the inner side of the top plate, the inner side of the bolt sleeve is provided with a bearing cabin, and the side of the bearing cabin is provided with a heating chamber, and side bases are provided on both sides of the heating chamber.

[0011] As a preferred embodiment of the utility model, a top cover is plugged in above the bearing cabin through a ring plug shell, and a transverse sleeve is provided at the top end of the top cover, and positioning screws connected by bolts are provided below both ends of the transverse sleeve.

[0012] The beneficial effects of the utility model are:

[0013] The utility model mainly utilizes the valve plug above the valve ring to cooperate with the telescopic strip and the first oil cylinder to output power to make the valve ring and the valve plug intermittently open, and cooperates with the pressurized cabin, the duct pipe, the top cover, the second oil cylinder and the pressurized plug to output power to effectively perform intermittent pressurization effect according to the processing process, so that the measurement accuracy of the calculation is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a bottom-up three-dimensional structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the feed bearing assembly of the utility model;

[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the pressure testing mechanism of the utility model;

[0019] Figure 6 This is a schematic diagram of the valve ring and valve plug structure of the utility model.

[0020] Among them: 1. Shell assembly; 101. Pad; 102. Bottom plate; 103. Side frame; 104. Center plate; 105. Side guard plate; 106. Top plate; 2. Control assembly; 201. Front plate; 202. Control buttons; 203. Pressure display screen; 204. Time display screen; 205. Temperature display screen; 3. Feed bearing assembly; 301. Bolt sleeve plate; 302. Bearing cabin; 303. Add Hot chamber; 304, side base; 305, ring plug shell; 306, top cover; 307, horizontal sleeve; 308, positioning screw; 4, pressure testing mechanism; 401, valve block; 402, valve ring; 403, valve plug; 404, telescopic strip; 405, first oil cylinder; 406, acceleration pump; 407, pressurization cabin; 408, duct pipe; 409, top cover; 4010, second oil cylinder; 4011, pressurization plug. DETAILED DESCRIPTION

[0021] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0022] according to Figure 1-6As shown, this embodiment proposes a drilling fluid pressure bearing capacity testing device, including a shell assembly 1 and a pressure testing mechanism 4, a control assembly 2 connected with bolts is arranged on the top front side of the shell assembly 1, a feed bearing assembly 3 connected with bolts is arranged on the inner side of the top end of the shell assembly 1, and a pressure testing mechanism 4 connected with a sleeve is arranged on the output end of the feed bearing assembly 3;

[0023] The pressure testing mechanism 4 includes a valve block 401, a valve ring 402, a valve plug 403, a telescopic strip 404, a first oil cylinder 405, an acceleration pump 406, a pressurizing cabin 407, a duct pipe 408, a top cover 409, a second oil cylinder 4010 and a pressurizing plug 4011. The valve block 401 is sleeve-connected to the output end of the feed bearing assembly 3. The output end of the valve block 401 is provided with a valve ring 402, and the inner top side of the valve ring 402 is provided with a valve plug 403. The valve plug 403 A telescopic bar 404 connected to the output end of the first oil cylinder 405 is arranged at the lower middle part, an acceleration pump 406 is arranged at the output end of the valve block 401, and a pressurizing chamber 407 is arranged at the output end of the acceleration pump 406, a duct pipe 408 is arranged on the inner side of the pressurizing chamber 407, a top cover 409 is arranged above the pressurizing chamber 407, a second oil cylinder 4010 is arranged below the pressurizing chamber 407, and a pressurizing plug 4011 is arranged at the output end of the second oil cylinder 4010.

[0024] The central axis of the top cover 409 is in the same straight line as the central axis of the second oil cylinder 4010 and the central axis of the pressurizing plug 4011.

[0025] In this embodiment, when a pressure test is required, the first oil cylinder 405 is used to output power to drive the output end to operate, so that after the first oil cylinder 405 outputs and operates, the valve ring 402 and the valve plug 403 are opened, and after the acceleration pump 406 is assisted to output, the second oil cylinder 4010 outputs power to drive the output end to perform telescopic operation, and the pressurizing plug 4011 is pushed to pressurize the pressurization cabin 407 and the duct pipe 408, thereby achieving the effect of the pressure test.

[0026] The shell assembly 1 includes a cushion block 101, a bottom plate 102, a side frame 103, a center plate 104, a side guard plate 105 and a top plate 106. The bottom plate 102 is arranged above the cushion block 101, and the side frame 103 is arranged on the side of the bottom plate 102. The center plate 104 is arranged on the top side of the side frame 103, and both ends of the center plate 104 are bolted to the top plate 106 through the side guard plate 105.

[0027] In this embodiment, when in use, the side guard plates 105 on the sides of the middle plate 104 are bolted together to allow the top plate 106 to be bolted together. After the installation is completed, the equipment is placed at the processing site with the cooperation of the cushion block 101, the bottom plate 102 and the side frame 103.

[0028] The control component 2 includes a front panel 201, a control button 202, a pressure display screen 203, a time display screen 204 and a temperature display screen 205. The front panel 201 is arranged on the front side of the side guard plate 105, the control button 202 is arranged on the lower side of the front panel 201, and the pressure display screen 203, the time display screen 204 and the temperature display screen 205 are respectively arranged on the upper side of the front panel 201.

[0029] In this embodiment, when it is needed, the control button 202 on the lower side of the front panel 201 is used to set the output command, and the pressure display screen 203, the time display screen 204 and the temperature display screen 205 are used to display data.

[0030] The feed bearing assembly 3 includes a bolt sleeve 301, a bearing cabin 302, a heating chamber 303, a side base 304, a ring insert shell 305, a top cover 306, a cross sleeve 307 and a positioning screw 308. The bolt sleeve 301 is bolted to the inner side of the top plate 106, the bearing cabin 302 is arranged on the inner side of the bolt sleeve 301, and the heating chamber 303 is arranged on the side of the bearing cabin 302, and the side bases 304 are arranged on both sides of the heating chamber 303.

[0031] In this embodiment, when processing is required, the heating chamber 303 at one end of the side base 304 is used to heat the drilling fluid in the carrying chamber 302 by outputting energy so that the heating chamber 303 generates high temperature.

[0032] A top cover 306 is plugged into the upper part of the load-bearing cabin 302 through a ring plug shell 305 , and a transverse sleeve 307 is provided at the top end of the top cover 306 , and positioning screws 308 connected by bolts are provided below the two ends of the transverse sleeve 307 .

[0033] In this embodiment, when it is needed, the material is input into the carrying chamber 302, and the top of the carrying chamber 302 is closed by the ring plug shell 305, and the top cover 306 is bolted using the positioning screws 308 under the two ends of the transverse sleeve 307.

[0034] The working principle of the drilling fluid pressure bearing capacity testing device is as follows: when in use, the side guard plate 105 on the side of the middle plate 104 is bolted to make the top plate 106 assembled with bolts. After the installation is completed, the equipment is placed at the processing site with the cooperation of the cushion block 101, the bottom plate 102 and the side frame 103. When it is needed to be used, the material is input into the load-bearing cabin 302, and the top cover 306 is closed through the ring plug shell 305 at the top of the load-bearing cabin 302, and the top cover 306 is bolted using the positioning screws 308 under the two ends of the transverse sleeve 307. When it is needed to be used, the control button 202 on the lower side of the front plate 201 is used to set the output command, and the pressure display screen 203 and the time display screen 203 are used to display the pressure. The display screen 204 and the temperature display screen 205 are used to display data. When processing is required, the heating chamber 303 at one end of the side base 304 is used to output energy so that the heating chamber 303 generates high temperature to heat the drilling fluid in the carrier chamber 302. When pressure testing is required, the first oil cylinder 405 is used to output power to drive the output end to operate, so that the valve ring 402 and the valve plug 403 are opened after the first oil cylinder 405 outputs and operates, and the acceleration pump 406 is assisted to output so that the second oil cylinder 4010 outputs power to drive the output end to extend and retract, so that the pressurizing plug 4011 is pushed, so that the pressurizing chamber 407 and the duct pipe 408 are pressurized, thereby achieving the effect of pressure testing.

[0035] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A drilling fluid pressure bearing capacity testing device, comprising a housing assembly (1) and a pressure testing mechanism (4), characterized in that: A control assembly (2) connected by bolts is arranged on the top front side of the enclosure assembly (1), a feed bearing assembly (3) connected by bolts is arranged on the inner side of the top end of the enclosure assembly (1), and a sleeve-connected pressure testing mechanism (4) is arranged on the output end of the feed bearing assembly (3); The pressure testing mechanism (4) comprises a valve block (401), a valve ring (402), a valve plug (403), a telescopic strip (404), a first oil cylinder (405), an acceleration pump (406), a pressurizing chamber (407), a duct pipe (408), a top cover (409), a second oil cylinder (4010) and a pressurizing plug (4011); the valve block (401) is sleeve-connected to the output end of the feed bearing assembly (3); the output end of the valve block (401) is provided with a valve ring (402), and the inner top side of the valve ring (402) is provided with a valve plug (403); the valve plug A telescopic bar (404) connected to the output end of the first oil cylinder (405) is arranged at the lower middle part of (403), an acceleration pump (406) is arranged at the output end of the valve block (401), and a pressurizing chamber (407) is arranged at the output end of the acceleration pump (406), a duct pipe (408) is arranged on the inner side of the pressurizing chamber (407), a top cover (409) is arranged above the pressurizing chamber (407), a second oil cylinder (4010) is arranged below the pressurizing chamber (407), and a pressurizing plug (4011) is arranged at the output end of the second oil cylinder (4010).

2. A drilling fluid pressure bearing capacity testing device according to claim 1, characterized in that: The central axis of the top cover (409) is on the same straight line as the central axis of the second oil cylinder (4010) and the central axis of the pressurizing plug (4011).

3. A drilling fluid pressure bearing capacity testing device according to claim 1, characterized in that: The enclosure assembly (1) comprises a cushion block (101), a bottom plate (102), a side frame (103), a center plate (104), a side guard plate (105) and a top plate (106); the bottom plate (102) is arranged above the cushion block (101), and the side frame (103) is arranged on the side of the bottom plate (102); the center plate (104) is arranged on the top side of the side frame (103), and both ends of the center plate (104) are bolted to the top plate (106) via the side guard plates (105).

4. A drilling fluid pressure bearing capacity testing device according to claim 3, characterized in that: The control component (2) comprises a front panel (201), a control button (202), a pressure display screen (203), a time display screen (204) and a temperature display screen (205); the front panel (201) is arranged on the front side of the side guard plate (105); the control button (202) is arranged on the lower side of the front panel (201); and the pressure display screen (203), the time display screen (204) and the temperature display screen (205) are respectively arranged on the upper side of the front panel (201).

5. A drilling fluid pressure bearing capacity testing device according to claim 3, characterized in that: The feed bearing assembly (3) comprises a bolt sleeve (301), a bearing chamber (302), a heating chamber (303), a side base (304), a ring insert shell (305), a top cover (306), a transverse sleeve (307) and a positioning screw (308); the bolt sleeve (301) is bolted to the inner side of the top plate (106); the bearing chamber (302) is arranged on the inner side of the bolt sleeve (301); the heating chamber (303) is arranged on the side of the bearing chamber (302); and side bases (304) are arranged on both sides of the heating chamber (303).

6. A drilling fluid pressure bearing capacity testing device according to claim 5, characterized in that: A top cover (306) is plugged into the upper part of the bearing cabin (302) via a ring plug shell (305), and a transverse sleeve (307) is provided at the top end of the top cover (306). Positioning screws (308) connected by bolts are provided below the two ends of the transverse sleeve (307).

Images