A water sample online instrument calibration device for power plants

Abstract

The present invention discloses an online instrument calibration device for water samples in a power plant, which belongs to the technical field of instrument calibration, and comprises a fixed block, a calibration table is arranged on the front of the fixed block, a calibration mechanism is arranged on the lower surface of the calibration table, a cleaning mechanism is arranged on the lower side of the calibration mechanism, a part of the cleaning mechanism is located inside the fixed block, and a placement slot is provided on the front of the fixed block. In the present invention, by arranging a placement slot and a clamping mechanism, the instrument is placed into the placement slot, and then the clamping mechanism is operated to fix the instrument, and by arranging the calibration table and the lower surface of the limit block to be fixedly connected with a probe, the ends at different positions can be detected, and by arranging a spring and a connecting block, when the probe moves downward, the spring can use its own elastic force to extend and push the connecting block to drive the calibration table to move upward to the initial position, and the detection function can be realized by pressing the calibration table, which is convenient to operate and easy to use.

Description

Technical Field

[0001] The invention belongs to the technical field of instrument calibration, and in particular relates to an online instrument calibration device for water samples in a power plant. Background Art

[0002] The function of the instrument is to display data, and it can effectively display the status of various things digitally. The existing calibration table is still used for calibration of the instrument, but during operation, the worker still manually inserts the probe into the instrument for detection. Manual insertion is more troublesome and if the instrument detection end is covered with dust, the dust needs to be processed before detection to ensure the accuracy of the test results. However, such operation will have a certain impact on the calibration speed. Summary of the invention

[0003] The purpose of the present invention is to solve the problem that workers still have to manually insert the probe into the instrument for detection during operation. Manual insertion is troublesome and if the instrument detection end is covered with dust, the dust needs to be processed before detection can be carried out to ensure the accuracy of the detection result. However, such operation will have a certain impact on the calibration speed. An online instrument calibration device for water samples in a power plant is proposed.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A water sample online instrument calibration device for a power plant comprises a fixed block, a calibration table is arranged on the front of the fixed block, a calibration mechanism is arranged on the lower surface of the calibration table, a cleaning mechanism is arranged on the lower side of the calibration mechanism, a part of the cleaning mechanism is located inside the fixed block, a placement groove is opened on the front of the fixed block, the placement groove is located on the lower side of the cleaning mechanism, and a clamping mechanism is arranged in the placement groove.

[0006] As a further description of the above technical solution:

[0007] The verification mechanism includes a rubber sleeve clamped inside the fixed block, a sliding rod is sleeved inside the rubber sleeve, a push plate is fixedly connected to one end of the back of the sliding rod, and a verification shell is fixedly connected to one end of the front of the sliding rod, and two sliding blocks symmetrically arranged on the left and right are arranged in the verification shell.

[0008] As a further description of the above technical solution:

[0009] A rotation groove is provided on the lower surface of the slider, and a rubber block is arranged in the rotation groove. The rubber block is rotatably connected in the rotation groove through a pin shaft. A limit block is fixedly connected to the lower surface of the rubber block. The limit block is located in a limit hole provided on the lower surface of the calibration shell. A probe is fixedly connected to the lower surface of the limit block.

[0010] As a further description of the above technical solution:

[0011] The cleaning mechanism includes an empty groove opened on the front side of the fixed block, a U-shaped plate is arranged in the empty groove, cavities are opened on the left and right sides of the U-shaped plate, second bearings are clamped on the left and right side surfaces of the inner wall of the U-shaped plate, the two second bearings are sleeved on the outside of the second rotating shaft, a cleaning roller is clamped on the outer surface of the second rotating shaft, a plurality of bristles are fixedly connected to the outer surface of the cleaning roller, gears are fixedly connected to both ends of the second rotating shaft, a rack is arranged on the front side of the gear, the top end of the rack passes through the cavity opened in the fixed block and is fixedly connected to a connecting block, the connecting block is located in the cavity, the front side of the connecting block is fixedly connected to the back side of the calibration table through a connecting piece, the connecting piece is located in the sliding hole opened on the front side of the fixed block, and the left and right sides of the lower surface of the connecting block are fixedly connected to the lower surface of the inner wall of the cavity through a spring.

[0012] As a further description of the above technical solution:

[0013] A pressure plate is fixedly connected to the back of the connecting block, one end of the back of the pressure plate extends to a cavity opened in the fixed block, an airbag is fixedly connected in the cavity, the airbag is fixedly connected to the lower surface of the pressure plate, the lower surface of the airbag is connected to a hose, the other end of the hose passes through the interior of the U-shaped plate and is connected to the outer surface of the fixed box, a plurality of air nozzles are evenly opened on the back of the fixed shell from left to back, the left and right sides of the U-shaped plate are fixedly connected to silicone pads, the silicone pads are attached to one side of the inner wall of the cavity, the left and right sides of the U-shaped plate are fixedly connected to toggle blocks, the toggle blocks are located in the toggle hole opened on one side of the fixed block.

[0014] As a further description of the above technical solution:

[0015] The clamping mechanism includes a threaded cap clamped on the right side of the fixed block, a threaded column is connected to the inner thread of the threaded cap, the right end of the threaded column is fixedly connected to the twist block, the left end of the threaded column is fixedly connected to the first rotating shaft, the outer side of the first rotating shaft is sleeved with a first bearing, the first bearing is clamped on the right side of the clamp, and the outer surface of the clamp fits with the inner wall of the placement groove.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0017] 1. In the present invention, a placement slot and a clamping mechanism are provided, and the meter is placed in the placement slot. Then, the clamping mechanism is operated to fix the meter. A probe is fixedly connected to the lower surface of a calibration table and a limit block, and the probe is connected to the calibration table. When the calibration table moves downward, the probe is driven downward to detect the meter. A slider is provided, and the position of the probe can be adjusted by movement of the slider, so that it is convenient to detect the ends at different positions. A spring and a connecting block are provided, and when the probe moves downward, the spring can use its own elastic force to extend and push the connecting block to drive the calibration table to move upward to the initial position. The detection function can be realized by pressing the calibration table. The operation is convenient and easy to use.

[0018] 2. In the present invention, by setting a cleaning mechanism, the up and down movement of the rack can drive the gear to rotate forward and reverse, and by setting a cleaning roller, the rotation of the gear can drive the cleaning roller to rotate, so that the cleaning roller can drive the bristles to remove dust from the detection end of the probe and the calibration table, thereby achieving a good dust removal effect. By setting an airbag, a hose and a fixed box, the airbag is compressed to squeeze out the air, and the air enters the fixed box through the hose and is finally ejected through multiple air nozzles, thereby achieving the effect of dust removal on the bristles, the probe and the detection end of the calibration table, thereby ensuring the accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of an online instrument calibration device for water samples in a power plant proposed by the present invention;

[0020] Figure 2 A schematic diagram of the cross-sectional structure of a power plant water sample online instrument calibration device proposed by the present invention;

[0021] Figure 3 The present invention is a schematic diagram of the cross-sectional structure of a U-shaped plate in a power plant water sample online instrument calibration device proposed by the present invention, viewed from above.

[0022] Legend:

[0023] 1. Fixed block; 2. Calibration table; 3. Calibration mechanism; 31. Calibration shell; 32. Slider; 33. Rubber block; 34. Probe; 35. Limit block; 36. Slide rod; 4. Cleaning mechanism; 41. U-shaped plate; 42. Bristles; 43. Toggle block; 44. Cleaning roller; 45. Rack; 46. Gear; 47. Silicone pad; 48. Fixed box; 49. Airbag; 410. Hose; 411. Connecting piece; 412. Pressing plate; 413. Connecting block; 414. Spring; 5. Clamping mechanism; 51. Threaded column; 52. Clamping plate; 53. First rotating shaft; 6. Placement slot. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-3The present invention provides a technical solution: an online instrument calibration device for water samples in a power plant, comprising a fixed block 1, a calibration table 2 is arranged on the front of the fixed block 1, a calibration mechanism 3 is arranged on the lower surface of the calibration table 2, the calibration mechanism 3 comprises a rubber sleeve clamped inside the fixed block 1, a slide bar 36 is sleeved inside the rubber sleeve, one end of the back of the slide bar 36 is fixedly connected with a push plate, by setting the slide bar 36, the rubber sleeve and the push plate, the movement of the slide bar 36 can be controlled by pushing the push plate, the slide bar 36 drives the calibration shell 31 to move forward and backward to adjust the position, the rubber sleeve can increase the friction coefficient between the slide bar 36 and the slide bar 36, so that the slide bar 36 can be effectively fixed when it moves to any position, the position of the calibration shell 31 is changed to facilitate the detection of the end at different positions, and the front end of the slide bar 36 is fixedly connected with the calibration shell 3 1. Two left-right symmetrically arranged sliders 32 are arranged in the verification shell 31. A rotation groove is opened on the lower surface of the slider 32. A rubber block 33 is arranged in the rotation groove. The rubber block 33 is rotatably connected in the rotation groove through a pin shaft. By setting the rotation groove and the rubber block 33, the rubber block 33 can move in the rotation groove, so that the angle of the probe 34 can be effectively adjusted. The friction coefficient between the rubber block 33 and the rotation groove is large, so the probe 34 will be fixed and will not move at will when adjusted to any angle. The lower surface of the rubber block 33 is fixedly connected to a limit block 35. The limit block 35 is located in a limit hole opened on the lower surface of the verification shell 31. The lower surface of the limit block 35 is fixedly connected to the probe 34. By setting the limit block 35 and the limit hole, the limit block 35 is restrained by the limit hole, so that the probe 34 is fixed and will not shake at will.

[0026] A cleaning mechanism 4 is provided at the lower side of the verification mechanism 3, a part of which is located inside the fixed block 1, and the cleaning mechanism 4 includes an empty slot opened on the front side of the fixed block 1, a U-shaped plate 41 is provided in the empty slot, cavities are provided on the left and right sides of the inside of the U-shaped plate 41, and second bearings are clamped on the left and right side surfaces of the inner wall of the U-shaped plate 41, and the two second bearings are sleeved on the outside of the second rotating shaft, and a cleaning roller 44 is clamped on the outer surface of the second rotating shaft, and a plurality of bristles 42 are fixedly connected to the outer surface of the cleaning roller 44, and a gear 46 is fixedly connected to both ends of the second rotating shaft, and a front side of the gear 46 is provided A rack 45 is provided, and by arranging a gear 46, the rack 45, the second rotating shaft and the cleaning roller 44, the up and down movement of the rack 45 can drive the gear 46 to rotate forward and reversely, and the rotation of the gear 46 can drive the cleaning roller 44 to rotate through the second rotating shaft, and the cleaning roller 44 can drive the bristles 42 to remove dust from the detection end of the probe 34 and the calibration table 2. The top of the rack 45 passes through the cavity opened inside the fixed block 1 and is fixedly connected with a connecting block 413. The connecting block 413 is located in the cavity, and the front side of the connecting block 413 is fixedly connected to the back side of the calibration table 2 through a connecting piece 411. The connecting piece 411 is located in the cavity. In the sliding hole opened on the front of the fixed block 1, the left and right sides of the lower surface of the connecting block 413 are fixedly connected to the lower surface of the inner wall of the cavity through the spring 414, and the back of the connecting block 413 is fixedly connected to the pressure plate 412, one end of the back of the pressure plate 412 extends into the cavity opened inside the fixed block 1, and the cavity is fixedly connected with an air bag 49, which is fixedly connected to the lower surface of the pressure plate 412. The lower surface of the air bag 49 is connected to a hose 410, and the other end of the hose 410 passes through the interior of the U-shaped plate 41 and is connected to the outer surface of the fixed box 48. The back of the fixed shell is evenly connected from left to back. A plurality of air jet nozzles are provided, and the left and right sides of the U-shaped plate 41 are fixedly connected with silicone pads 47, which are attached to one side of the inner wall of the cavity, and the left and right sides of the U-shaped plate 41 are fixedly connected with a toggle block 43, which is located in a toggle hole provided on one side of the fixed block 1. By providing the toggle block 43, the toggle hole and the silicone pad 47, the U-shaped plate 41 can be driven to move forward and backward by operating the toggle block 43, so that the position of the U-shaped plate 41 can be effectively adjusted. The friction coefficient between the silicone pad 47 and the inner wall of the empty groove is large, so the U-shaped plate 41 can be retained when it moves to any position;

[0027] A placement slot 6 is provided on the front side of the fixed block 1, and the placement slot 6 is located at the lower side of the cleaning mechanism 4. A clamping mechanism 5 is provided in the placement slot 6, and the clamping mechanism 5 includes a threaded cap clamped on the right side of the fixed block 1, and a threaded column 51 is threadedly connected in the threaded cap, and the right end of the threaded column 51 is fixedly connected to a twisting block, and the left end of the threaded column 51 is fixedly connected to a first rotating shaft 53. A first bearing is sleeved on the outer side of the first rotating shaft 53, and the first bearing is clamped on the right side of the clamping plate 52. The outer surface of the clamping plate 52 is fitted with the inner wall of the placement slot 6. By setting the twisting block, the first rotating shaft 53, the threaded column 51 and the clamping plate 52, the threaded column 51 can be driven to rotate by twisting the twisting block, and the clamping plate 52 can be driven to move left and right under the action of the threaded cap. Under the action of the first bearing and the first rotating shaft 53, the clamping plate 52 moves left and right without rotating, and stably cooperates with the placement slot 6 to fix the calibration table 2.

[0028] Working principle: When in use, the worker places the meter in the placement slot 6, and the screw block can drive the threaded column 51 to rotate. Under the action of the threaded cap, the clamping plate 52 moves to the left, and cooperates with the placement slot 6 to fix the calibration table 2. Press the calibration table 2, and when the calibration table 2 moves down, it drives the probe 34 to move down to detect the meter. If there is a lot of dust on the probe 34 and the calibration table 2, operate the toggle block 43 to move and drive the U-shaped plate 41 to move forward, so that the gear 46 moves to the front side of the rack 45 and meshes with the rack 45. At this time, the cleaning roller 44 moves to the meter and the probe The check table 2 is moved up and down repeatedly for several times. The up and down movement of the rack 45 can drive the gear 46 to rotate forward and reversely. The rotation of the gear 46 can drive the cleaning roller 44 to rotate. The cleaning roller 44 drives the bristles 42 to remove dust from the probe 34 and the detection end of the check table 2. After dust removal, the bristles 42 are controlled to move into the empty slot, and then the test is performed again. When the check table 2 is not needed, the probe 34 is pulled to allow the rubber block 33 to rotate, so that the probe 34 can be rotated into the check shell 31 for storage and protection.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A water sample online instrument calibration device for a power plant, comprising a fixed block (1), characterized in that: The front surface of the fixed block (1) is provided with a calibration table (2), the lower surface of the calibration table (2) is provided with a calibration mechanism (3), the lower side of the calibration mechanism (3) is provided with a cleaning mechanism (4), a part of the cleaning mechanism (4) is located inside the fixed block (1), the front surface of the fixed block (1) is provided with a placement groove (6), the placement groove (6) is located below the cleaning mechanism (4), and a clamping mechanism (5) is provided inside the placement groove (6); The verification mechanism (3) comprises a rubber sleeve clamped inside the fixed block (1), a slide rod (36) is sleeved inside the rubber sleeve, a push plate is fixedly connected to one end of the back side of the slide rod (36), a verification housing (31) is fixedly connected to one end of the front side of the slide rod (36), and two left-right symmetrically arranged slide blocks (32) are arranged inside the verification housing (31); The cleaning mechanism (4) comprises a hollow groove formed on the front face of the fixed block (1), a U-shaped plate (41) being arranged in the hollow groove, a cavity being formed on both the left and right sides of the interior of the U-shaped plate (41), second bearings being clamped on both the left and right side faces of the inner wall of the U-shaped plate (41), the two second bearings being sleeved on the outer side of the second rotating shaft, a cleaning roller (44) being clamped on the outer surface of the second rotating shaft, a plurality of bristles (42) being fixedly connected to the outer surface of the cleaning roller (44), gears (46) being fixedly connected to both ends of the second rotating shaft, and the gears (46) being fixedly connected to the outer surface of the cleaning roller (44). A rack (45) is provided on the front side of the fixing block (46), the top end of the rack (45) penetrates into the cavity provided inside the fixing block (1) and is fixedly connected to a connecting block (413), the connecting block (413) is located in the cavity, the front side of the connecting block (413) is fixedly connected to the back side of the calibration table (2) via a connecting piece (411), the connecting piece (411) is located in a sliding hole provided on the front side of the fixing block (1), and the left and right sides of the lower surface of the connecting block (413) are fixedly connected to the lower surface of the inner wall of the cavity via springs (414); The back of the connecting block (413) is fixedly connected to a pressing plate (412), one end of the back of the pressing plate (412) extends into a cavity provided in the fixed block (1), an air bag (49) is fixedly connected in the cavity, the air bag (49) is fixedly connected to the lower surface of the pressing plate (412), the lower surface of the air bag (49) is connected to a hose (410), the other end of the hose (410) passes through the interior of the U-shaped plate (41) and is connected to the outer surface of the fixed box (48), a plurality of air jets are evenly provided on the back of the fixed shell from left to back, the left and right sides of the U-shaped plate (41) are fixedly connected to a silicone pad (47), the silicone pad (47) is attached to one side of the inner wall of the cavity, the left and right sides of the U-shaped plate (41) are fixedly connected to a toggle block (43), the toggle block (43) is located in a toggle hole provided on one side of the fixed block (1).

2. The on-line instrument calibration device for water samples in a power plant according to claim 1, characterized in that: A rotation groove is provided on the lower surface of the slider (32), a rubber block (33) is arranged in the rotation groove, the rubber block (33) is rotatably connected in the rotation groove via a pin shaft, a limit block (35) is fixedly connected to the lower surface of the rubber block (33), the limit block (35) is located in a limit hole provided on the lower surface of the calibration shell (31), and a probe (34) is fixedly connected to the lower surface of the limit block (35).

3. The on-line instrument calibration device for water samples in a power plant according to claim 1, characterized in that: The clamping mechanism (5) comprises a threaded cap clamped on the right side of the fixed block (1), a threaded column (51) is connected to the inner thread of the threaded cap, the right end of the threaded column (51) is fixedly connected to the screw block, the left end of the threaded column (51) is fixedly connected to the first rotating shaft (53), the outer side of the first rotating shaft (53) is sleeved with a first bearing, the first bearing is clamped on the right side of the clamping plate (52), and the outer surface of the clamping plate (52) is in contact with the inner wall of the placement groove (6).

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