Multifunctional direct-reading liquid level alarm instrument

Abstract

The utility model provides a multifunctional direct-reading type liquid level alarm instrument which comprises a base, a self-sucking pump, a control box, an alarm bell, an alarm lamp, a protective direct-reading control frame structure, a liftable righting indicating cylinder structure and a fixable automatic filling and discharging pipe structure, and the self-sucking pump is fixed to the front face of the left side of the upper end of the base through a bolt; the control box is fixed behind the left side of the upper end of the base through bolts; an alarm bell is fixed to the right side of the upper end of the control box through a bolt. The self-priming pump, the control box, the protective frame, the bottom contact switch, the top contact switch, the centralizing cylinder, the floating rod, the floating box, the adjustable indicating ring and the indicating rod are arranged in a matched mode, so that the indicating rod can make contact with the bottom contact switch and the top contact switch in the vertical moving process in the using process; and then a central processing unit or a PLC arranged in the control box is matched to control the self-priming pump, so that the purpose of automatic control is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of alarm equipment, and in particular relates to a multifunctional direct-reading liquid level alarm. Background Art

[0002] At present, in the process of drilling construction, in order to obtain the method of increasing or decreasing the amount of drilling fluid in the drilling fluid circulation tank, a ruler is often used to measure the change of the mud liquid level in the circulation tank manually, and then the increase or decrease of the drilling fluid volume is calculated. This measurement method has artificial measurement errors, and factors such as frequent measurement and calculation and untimely monitoring often make it impossible for construction personnel to timely understand the increase or decrease of the drilling fluid volume, and accurately judge abnormal situations such as overflow and well leakage, delaying the best time to take measures in time, resulting in the occurrence of complex drilling accidents such as well leakage, well kick, and blowout. Therefore, people have designed a liquid level alarm. The existing direct-reading liquid level alarm includes a base, an air source inlet, an air exchange valve, a column guide beam, an alarm horn, an air control valve, a touch block on the air control valve, an indicator needle, a float rod, a touch block under the air control valve, a float, a guide straightening cylinder, a direct-reading ruler, and an air source pipeline. This direct-reading liquid level alarm is inconvenient to perform automatic filling during use, and cannot adjust the indicator mark according to the use needs during use, and cannot protect the contact switch during use. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a multifunctional direct-reading liquid level alarm instrument, which facilitates automatic filling during use by improving the righting cylinder during use and improving the indicating mechanism during use, so as to facilitate adjustment work according to needs during use and set a protective mechanism during use to prevent the contact position from being damaged during use.

[0004] A multifunctional direct-reading liquid level alarm comprises a base, wherein a self-priming pump is fixed by bolts on the front left side of the upper end of the base; a control box is fixed by bolts on the rear left side of the upper end of the base; an alarm bell is fixed by bolts on the right side of the upper end of the control box; a warning light is fixed by bolts on the left side of the upper end of the control box, and the instrument is characterized in that a protectable direct-reading control frame structure is arranged in the middle position of the upper end of the base; a liftable and righting indicator tube structure is arranged on the right side of the upper end of the base; a fixable automatic filling and discharge pipe structure is arranged on the right side of the bottom end of the base; the protectable direct-reading control frame structure comprises a direct-reading ruler, a protective frame is fixed by bolts on the right end of the direct-reading ruler; a bottom contact switch is fixed by bolts at the middle position of the inner bottom end of the protective frame; and a top contact switch is fixed by bolts at the middle position of the inner top end of the protective frame.

[0005] Preferably, the liftable righting indicator cylinder structure comprises a righting cylinder, a floating rod passing through the inside of the righting cylinder; the bottom end of the floating rod is threadedly connected to the middle position inside the upper end of the buoyancy box; an adjustable indicator ring is bolted to the outer wall of the floating rod; the indicator rod is threadedly connected to the middle position on the left side of the adjustable indicator ring; and fixing plates are bolted to the inside of the upper and lower ends of the righting cylinder respectively.

[0006] Preferably, the fixable automatic filling and discharge pipe structure includes a filling pipe, a pressure relief pipe is threadedly connected to the lower left portion of the filling pipe; a solenoid valve is bolted fixed to the middle position of the inner part of the pressure relief pipe; the right end of the filling pipe is threadedly connected to the middle position of the left side of the guide straightening cylinder and is connected.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] In the utility model, the self-priming pump, control box, protective frame, bottom contact switch, top contact switch, righting cylinder, float rod, float box, adjustable indicator ring and indicator rod are arranged in coordination with each other, which is conducive to the indicator rod contacting the bottom contact switch and the top contact switch respectively during the up and down movement during use, and then cooperating with the central processing unit or PLC arranged inside the control box to control the self-priming pump, so as to achieve the purpose of automatic control.

[0009] In the utility model, the arrangement of the righting cylinder, float rod, float box, adjustable indicator ring, indicator rod and fixed plate is conducive to loosening the bolts connecting the adjustable indicator ring and the float rod according to the use environment and work needs during use, and then adjusting the height of the adjustable indicator ring and the indicator rod, so as to facilitate the purpose of adjustment according to needs during use.

[0010] In the utility model, the indicating rod, the direct reading ruler, the protective frame, the bottom contact switch and the top contact switch are arranged in coordination with each other, which is conducive to the indicating rod sliding through the right inner middle position of the protective frame during use, so as to facilitate the purpose of protection during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a structural schematic diagram of the protective direct-reading control frame structure of the utility model.

[0013] Figure 3 The utility model is a structural schematic diagram of a liftable straightening indicator tube structure.

[0014] Figure 4 It is a structural schematic diagram of the fixed automatic filling and discharge pipe structure of the utility model.

[0015] In the figure:

[0016] 1. Base; 2. Self-priming pump; 3. Control box; 4. Alarm; 5. Warning light; 6. Protective direct-reading control frame structure; 61. Direct-reading ruler; 62. Protective frame; 63. Bottom contact switch; 64. Top contact switch; 7. Liftable and retractable righting indicator tube structure; 71. Righting tube; 72. Float rod; 73. Float box; 74. Adjustable indicator ring; 75. Indicator rod; 76. Fixed plate; 8. Fixable automatic filling and discharge pipe structure; 81. Filling pipe; 82. Pressure relief pipe; 83. Solenoid valve; 84. Guide righting tube. DETAILED DESCRIPTION

[0017] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2 As shown, a multifunctional direct-reading liquid level alarm comprises a base 1, a self-priming pump 2, a control box 3, an alarm 4, a warning light 5, a protective direct-reading control frame structure 6, a liftable and righting indicator tube structure 7, and a fixable automatic filling and discharge pipe structure 8. The self-priming pump 2 is bolted to the front left side of the upper end of the base 1; the control box 3 is bolted to the rear left side of the upper end of the base 1; the alarm 4 is bolted to the right side of the upper end of the control box 3; the warning light 5 is bolted to the left side of the upper end of the control box 3; the protective direct-reading control frame structure 6 is arranged in the middle position of the upper end of the base 1; the liftable and righting indicator tube structure 7 is arranged on the right side of the upper end of the base 1; the fixable automatic filling and discharge pipe structure 8 is arranged on the right side of the bottom end of the base 1 ; The protective direct-reading control frame structure 6 includes a direct-reading ruler 61, a protective frame 62, a bottom contact switch 63 and a top contact switch 64. The right end of the direct-reading ruler 61 is bolted to the protective frame 62; the bottom middle position of the inner bottom end of the protective frame 62 is bolted to the bottom contact switch 63; the top middle position of the inner top end of the protective frame 62 is bolted to the top contact switch 64; when in use, fix the base 1 in a suitable position, then use an external wire to connect the external power supply, and use an external pipeline to connect the self-priming pump 2 to an external water source, and then select a suitable direct-reading ruler 61 according to the needs of use, and use an external wire to connect the bottom contact switch 63 and the top contact switch 64 to the central processing unit or PLC set inside the control box 3.

[0018] In this embodiment, combined with the Figure 3As shown, the liftable righting indicator cylinder structure 7 comprises a righting cylinder 71, a floating rod 72, a floating box 73, an adjustable indicator ring 74, an indicator rod 75 and a fixing plate 76. The righting cylinder 71 is penetrated by a floating rod 72; the bottom end of the floating rod 72 is threadedly connected to the middle position of the upper end of the floating box 73; the outer wall of the floating rod 72 is bolted with an adjustable indicator ring 74; the left middle position of the adjustable indicator ring 74 is threadedly connected with an indicator rod 75; the upper and lower ends of the righting cylinder 71 are respectively bolted with fixing plates 76; when working, the floating rod 72 is driven to move up and down by the buoyancy of the floating box 73, and in the process of moving, the indicator rod 75 corresponds to the direct reading ruler 61 to realize direct reading, and in the process of working, the indicator rod 75 contacts the bottom contact switch 63 during the up and down movement, and then the self-priming pump 2 starts to work and performs automatic filling. When the indicator rod 75 contacts the top contact switch 64, the self-priming pump 2 stops working to prevent excessive injection and realize automatic filling.

[0019] In this embodiment, combined with the Figure 4 As shown, the fixed automatic filling and discharge pipe structure 8 includes a filling pipe 81, a pressure relief pipe 82, a solenoid valve 83 and a guide straightening cylinder 84, the lower left part of the filling pipe 81 is threadedly connected with the pressure relief pipe 82; the solenoid valve 83 is bolted to the middle position inside the pressure relief pipe 82; the right end of the filling pipe 81 is threadedly connected to the middle position on the left side of the guide straightening cylinder 84 and connected; during the filling process, the filling pipe 81 and the guide straightening cylinder 84 are connected to each other, so that the liquid enters the interior of the guide straightening cylinder 84, and then flows to a suitable position through the guide straightening cylinder 84, and when necessary during work, the solenoid valve 83 is controlled to start working, and then the pressure relief work is realized through the pressure relief pipe 82, and the alarm 4 and the warning light 5 are controlled by the central processing unit or PLC set in the control box 3 to work, thereby completing the liquid level alarm work.

[0020] In this embodiment, specifically, a central processing unit or a PLC and a power switch are respectively provided inside the control box 3; the self-priming pump 2, the alarm 4 and the warning light 5 are respectively electrically connected to the output ends of the central processing unit or the PLC provided inside the control box 3.

[0021] In this embodiment, specifically, the protection frame 62 is a U-shaped stainless steel frame and a sliding hole is vertically opened at the middle position of the right side of the protection frame 62 .

[0022] In this embodiment, specifically, the bottom end bolt of the direct reading ruler 61 is fixed to the middle position of the upper end of the base 1; the bottom contact switch 63 and the top contact switch 64 are respectively electrically connected to the input end of the central processing unit or PLC provided inside the control box 3.

[0023] In this embodiment, specifically, the floating rod 72 passes through the inner middle position of the fixing plate 76 ; the indicating rod 75 slides through the inner middle position of the left side of the righting cylinder 71 .

[0024] In this embodiment, specifically, the bottom end thread of the straightening cylinder 71 penetrates the middle position of the right end of the base 1 ; the indicator rod 75 slides through the sliding hole opened in the middle position of the right side of the protective frame 62 .

[0025] In this embodiment, specifically, the filling pipe 81 is a Z-shaped stainless steel pipe; the pressure relief pipe 82 is an inverted L-shaped stainless steel pipe.

[0026] In this embodiment, specifically, the filling pipe 81 passes through the middle position of the left front inner part of the base 1 and the left end of the filling pipe 81 is threadedly connected to the upper right part of the self-priming pump 2; the guide and righting cylinder 84 is arranged in the middle position of the right side of the bottom end of the base 1 and is threadedly connected; the bottom end of the righting cylinder 71 is arranged at the upper end of the guide and righting cylinder 84; the buoyancy box 73 is slidably arranged inside the upper end of the guide and righting cylinder 84; the solenoid valve 83 is electrically connected to the output end of the central processing unit or PLC arranged inside the control box 3.

[0027] How it works

[0028] In the utility model, when in use, the base 1 is fixed in a suitable position, and then an external wire is used to connect the external power supply, and an external pipe is used to connect the self-priming pump 2 to an external water source, and then a suitable direct reading ruler 61 is selected according to the use needs, and the bottom contact switch 63 and the top contact switch 64 are connected to the central processing unit or PLC set in the control box 3 by using an external wire. When working, the buoyancy of the floating box 73 drives the floating rod 72 to move up and down, and in the process of moving, the indicator rod 75 corresponds to the direct reading ruler 61 to realize the direct reading work, and in the work, the indicator rod 75 contacts the bottom contact switch 63 in the process of moving up and down. , and then the self-priming pump 2 starts working to perform automatic filling. When the indicator rod 75 contacts the top contact switch 64, the self-priming pump 2 stops working to prevent over-injection and realize automatic filling. During the filling process, the filling pipe 81 and the guide straightening cylinder 84 are connected to each other, so that the liquid enters the interior of the guide straightening cylinder 84, and then flows to a suitable position through the guide straightening cylinder 84. When necessary during work, the solenoid valve 83 is controlled to start working, and then the pressure relief work is realized through the pressure relief pipe 82. During work, the central processor or PLC set in the control box 3 controls the alarm 4 and the warning light 5 to work, thereby completing the liquid level alarm.

[0029] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A multifunctional direct-reading liquid level alarm, comprising a base (1), a self-priming pump (2) being bolted to the front left side of the upper end of the base (1); a control box (3) being bolted to the rear left side of the upper end of the base (1); an alarm bell (4) being bolted to the right side of the upper end of the control box (3); and a warning light (5) being bolted to the left side of the upper end of the control box (3); characterized in that: The multifunctional direct-reading liquid level alarm device comprises a protectable direct-reading control frame structure (6) disposed at the middle position of the upper end of the base (1); a liftable and uprighting indicator tube structure (7) disposed at the right side of the upper end of the base (1); a fixable automatic filling and discharge pipe structure (8) disposed at the right side of the bottom end of the base (1); the protectable direct-reading control frame structure (6) comprises a direct-reading ruler (61), a protection frame (62) being bolted to the right end of the direct-reading ruler (61); a bottom contact switch (63) being bolted to the middle position of the bottom end of the protection frame (62); and a top contact switch (64) being bolted to the middle position of the top end of the protection frame (62).

2. The multifunctional direct-reading liquid level alarm as claimed in claim 1, characterized in that: The liftable righting indicator cylinder structure (7) comprises a righting cylinder (71), wherein a floating rod (72) penetrates the interior of the righting cylinder (71); the bottom end of the floating rod (72) is threadedly connected to the middle position of the upper end of the floating box (73); an adjustable indicator ring (74) is bolted to the outer wall of the floating rod (72); an indicator rod (75) is threadedly connected to the middle position of the left side of the adjustable indicator ring (74); and fixing plates (76) are bolted to the interior of the upper and lower ends of the righting cylinder (71), respectively.

3. The multifunctional direct-reading liquid level alarm as claimed in claim 1, characterized in that: The fixed automatic filling and discharge pipe structure (8) comprises a filling pipe (81), the lower left portion of the filling pipe (81) being threadedly connected to a pressure relief pipe (82); a solenoid valve (83) being boltedly fixed at an inner middle position of the pressure relief pipe (82); and the right end of the filling pipe (81) being threadedly connected to a left middle position of a guide straightening cylinder (84) and being connected thereto.

4. The multifunctional direct-reading liquid level alarm as claimed in claim 1, characterized in that: The bottom end of the direct reading ruler (61) is bolted to the middle position of the upper end of the base (1).

5. The multifunctional direct-reading liquid level alarm as claimed in claim 2, characterized in that: The floating rods (72) respectively penetrate the middle position of the interior of the fixing plate (76); and the indicating rod (75) slidably penetrates the middle position of the interior of the left side of the straightening cylinder (71).

6. The multifunctional direct-reading liquid level alarm as claimed in claim 2, characterized in that: The bottom end thread of the straightening cylinder (71) passes through the middle position inside the right end of the base (1).

7. The multifunctional direct-reading liquid level alarm as claimed in claim 3, characterized in that: The filling pipe (81) passes through the middle position of the left front inner side of the base (1), and the left end of the filling pipe (81) is threadedly connected to the upper right side of the self-priming pump (2); the guide straightening cylinder (84) is arranged at the middle position of the right side of the bottom end of the base (1) and is threadedly connected.

Images