Online automatic monitoring instrument for chemical oxygen demand (COD)

Abstract

The utility model discloses an on-line automatic monitoring instrument for chemical oxygen demand (COD), and relates to the technical field of on-line automatic monitoring of COD. The online automatic monitoring instrument for the chemical oxygen demand (COD) comprises a monitoring instrument main body and a clamping mechanism, and a connecting plate is arranged in the monitoring instrument main body; the clamping mechanism is arranged on the connecting plate and comprises a second motor, a rhombic block, a connecting rod, a sliding block, a clamping platform, a clamping block, a fixing block and a second limiting rod, and the second motor is fixedly installed at the bottom of the connecting plate. Through cooperative use of a second motor, a rhombic block, a connecting rod, a sliding block, a clamping platform, a clamping block, a fixing block and a second limiting rod, when a clamping mechanism moves longitudinally, a sampling test tube is clamped, the situation that in the descending process, the test tube leaks and spills out due to unstable clamping, errors are generated on a detection result, a sample needs to be detected again, and the detection efficiency is improved is avoided. The workload of operators is increased, and the working efficiency is indirectly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of COD online automatic monitoring, in particular to an online automatic monitoring instrument for chemical oxygen demand COD. Background Art

[0002] A chemical oxygen demand online automatic monitoring instrument with publication number CN220363720U comprises a box body, a conduit is connected to the back of the box body, a guide rod is movably sleeved inside the conduit, teeth are provided on the side of the guide rod, a bottom plate is connected to the bottom of the guide rod, a positioning assembly is connected to the back of the box body, a card block is movably sleeved inside the positioning assembly, and the card block is clamped together with the teeth.

[0003] The above-mentioned online automatic COD monitor requires manual placement of test tubes containing samples to be tested into the monitor for fixed testing, which increases the workload of operators, wastes manpower, indirectly reduces work efficiency, and is time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide an online automatic monitoring instrument for chemical oxygen demand (COD), which can solve the above-mentioned problems.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an online automatic monitoring instrument for chemical oxygen demand (COD), comprising:

[0006] A monitoring instrument body, wherein a connecting plate is arranged inside the monitoring instrument body;

[0007] The clamping mechanism is arranged on the connecting plate, and the clamping mechanism includes a second motor, a diamond block, a connecting rod, a slider, a clamping platform, a clamping block, a fixed block and a second limit rod. The second motor is fixedly installed at the bottom of the connecting plate, and a diamond block is fixedly installed on the output shaft of the second motor. Two groups of symmetrically arranged connecting rods are rotatably installed on the top of the diamond block. A slider is fixedly installed at the bottom of the connecting rod, and two groups of second limit rods are fixedly installed at the bottom of the connecting plate. A clamping platform is fixedly installed at one end of the second limit rod, and two groups of symmetrical strip grooves are opened on the clamping platform. The bottom of the slider is slidably installed through the strip groove and the clamping platform, and the bottom of the slider extends to the bottom of the clamping platform and is fixedly installed with a clamping block, and two groups of symmetrical fixed blocks are fixedly installed at the bottom of the clamping platform.

[0008] Preferably, a motor 1 is fixedly mounted on the bottom of the monitoring instrument body.

[0009] Preferably, the output shaft of the motor 1 is fixedly installed with a threaded rod, the outer wall of the threaded rod is threadedly connected with a movable block, two groups of jacks are opened on the movable block, and two groups of limit rods 1 are fixedly installed on the inner top of the monitor body, and one end of the limit rod 1 is slidably installed through the jack and the movable block.

[0010] Preferably, two groups of connecting rods are fixedly installed on the bottom of the movable block, and a connecting plate is fixedly installed on the bottom of the connecting rods.

[0011] Preferably, a reaction pool is fixedly mounted on the inner bottom of the monitor body, and the top of the reaction pool is opened.

[0012] Preferably, a drain pipe is fixedly installed on the front side of the reaction tank, one end of the drain pipe away from the reaction tank is threadedly connected to a knob cover, and the other end of the drain pipe extends to the interior of the reaction tank.

[0013] Preferably, a control console is fixedly mounted on one side of the reaction pool, and the bottom of the control console and the main body of the monitor are fixedly mounted.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The chemical oxygen demand (COD) online automatic monitoring instrument uses a second motor, a diamond block, a connecting rod, a slider, a clamping platform, a clamping block, a fixed block and a second limit rod in coordination, so that when the clamping mechanism moves longitudinally, the sampling test tube is clamped, so as to avoid leakage of the test tube due to unstable clamping during the descent process, resulting in errors in the test results, requiring the sample to be retested, increasing the workload of the operator, and indirectly improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a cutaway stereogram of the utility model;

[0019] Figure 3 It is a top perspective view of the clamping mechanism of the utility model;

[0020] Figure 4 It is an enlarged view of part A of the present utility model.

[0021] Figure numerals: 1. Monitor body; 2. Motor 1; 3. Threaded rod; 4. Limit rod 1; 5. Movable block; 6. Connecting rod; 7. Connecting plate; 8. Clamping mechanism; 801. Motor 2; 802. Diamond block; 803. Connecting rod; 804. Slider; 805. Clamping platform; 806. Clamping block; 807. Fixed block; 808. Limit rod 2; 9. Reaction pool; 10. Drain pipe; 11. Control console. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: an online automatic monitor for chemical oxygen demand (COD), comprising a monitor body 1 and a clamping mechanism 8, wherein a connecting plate 7 is arranged inside the monitor body 1; the clamping mechanism 8 is arranged on the connecting plate 7, and the clamping mechanism 8 comprises a second motor 801, a diamond block 802, a connecting rod 803, a slider 804, a clamping platform 805, a clamping block 806, a fixed block 807 and a second limiting rod 808, a second motor 801 is fixedly installed at the bottom of the connecting plate 7, a diamond block 802 is fixedly installed on the output shaft of the second motor 801, two groups of symmetrically arranged connecting rods 803 are rotatably installed on the top of the diamond block 802, a slider 804 is fixedly installed on the bottom of the connecting rod 803, and the connecting plate Two groups of limiting rods 808 are fixedly installed at the bottom of 7, and a clamping platform 805 is fixedly installed at one end of the limiting rod 808. Two groups of symmetrical strip grooves are opened on the clamping platform 805. The bottom of the slider 804 is slidably installed through the strip groove and the clamping platform 805. The bottom of the slider 804 extends to the bottom of the clamping platform 805 and is fixedly installed with a clamping block 806. Two groups of symmetrical fixed blocks 807 are fixedly installed at the bottom of the clamping platform 805, so that when the clamping mechanism 8 moves longitudinally, the sampling test tube is clamped to avoid leakage of the test tube due to unstable clamping during the descent process, which causes errors in the test results and requires re-testing of the sample, increasing the workload of the operator and indirectly improving work efficiency.

[0024] A motor 2 is fixedly mounted on the bottom of the monitor body 1.

[0025] The output shaft of the motor 2 is fixedly installed with a threaded rod 3, the outer wall of the threaded rod 3 is threadedly connected with a movable block 5, and two groups of jacks are opened on the movable block 5. Two groups of limit rods 4 are fixedly installed on the inner top of the monitor body 1, and one end of the limit rod 4 is slidably installed through the jack and the movable block 5.

[0026] Two groups of connecting rods 6 are fixedly installed at the bottom of the movable block 5 , and a connecting plate 7 is fixedly installed at the bottom of the connecting rods 6 .

[0027] A reaction pool 9 is fixedly mounted on the inner bottom of the monitor body 1 , and the top of the reaction pool 9 is opened.

[0028] A drain pipe 10 is fixedly installed on the front side of the reaction tank 9 , one end of the drain pipe 10 away from the reaction tank 9 is threadedly connected with a knob cover, and the other end of the drain pipe 10 extends into the interior of the reaction tank 9 .

[0029] A control console 11 is fixedly mounted on one side of the reaction pool 9 , and the bottom of the control console 11 is fixedly mounted on the monitor body 1 .

[0030] Working principle: when work is needed, the sampling test tube is inserted into the clamping platform 805 through the placement port provided on the clamping platform 805, and the motor 2 801 is started. The output shaft of the motor 2 801 rotates to drive the diamond block 802 to rotate. When the diamond block 802 rotates, the position of the connecting rod 803 will change. The change in the position of the connecting rod 803 causes the slider 804 to move toward the middle, thereby driving the clamping block 806 to move toward the middle, so that the test tube is clamped. At this time, the motor 1 2 is started, and the output shaft of the motor 1 2 rotates to drive the threaded rod 3 to rotate. Under the action of the limit rod 1 4, the threaded rod 3 rotates to drive the movable block 5 to move downward longitudinally. The movable block 5 moves downward longitudinally and drives the connecting rod 6 to move downward longitudinally. The longitudinal movement of the connecting rod 6 causes the connecting plate 7 to move longitudinally. The movement of the connecting plate 7 drives the clamping mechanism 8 to move longitudinally, so that the sampling test tube enters the reaction tank 9 for reaction, and the chemical oxygen demand in the sample is detected.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A chemical oxygen demand (COD) online automatic monitoring instrument, characterized in that: include: A monitoring instrument body (1), wherein a connecting plate (7) is arranged inside the monitoring instrument body (1); The clamping mechanism (8) is arranged on the connecting plate (7), and the clamping mechanism (8) includes a second motor (801), a diamond block (802), a connecting rod (803), a slider (804), a clamping platform (805), a clamping block (806), a fixing block (807) and a second limiting rod (808). The second motor (801) is fixedly installed at the bottom of the connecting plate (7), the output shaft of the second motor (801) is fixedly installed with a diamond block (802), and the top of the diamond block (802) is rotatably installed with two groups of symmetrically arranged connecting rods (803), and the connecting rods (803) are fixedly installed with the output shaft of the second motor (801). A slider (804) is fixedly installed at the bottom of the connecting plate (803), two groups of limit rods (808) are fixedly installed at the bottom of the connecting plate (7), a clamping platform (805) is fixedly installed at one end of the limit rod (808), two groups of symmetrical strip grooves are opened on the clamping platform (805), the bottom of the slider (804) is slidably installed through the strip groove and the clamping platform (805), the bottom of the slider (804) extends to the bottom of the clamping platform (805) and is fixedly installed with a clamping block (806), and the bottom of the clamping platform (805) is fixedly installed with two groups of symmetrical fixing blocks (807).

2. The on-line automatic monitoring instrument for chemical oxygen demand (COD) according to claim 1, characterized in that: A motor 1 (2) is fixedly mounted on the bottom of the monitoring instrument body (1).

3. The on-line automatic monitoring instrument for chemical oxygen demand (COD) according to claim 2, characterized in that: The output shaft of the motor 1 (2) is fixedly mounted with a threaded rod (3), the outer wall of the threaded rod (3) is threadedly connected with a movable block (5), and the movable block (5) is provided with two groups of jacks. Two groups of limit rods 1 (4) are fixedly mounted on the inner top of the monitor body (1), and one end of the limit rod 1 (4) is slidably mounted through the jack and the movable block (5).

4. The on-line automatic monitoring instrument for chemical oxygen demand (COD) according to claim 3 is characterized in that: Two groups of connecting rods (6) are fixedly installed at the bottom of the movable block (5), and a connecting plate (7) is fixedly installed at the bottom of the connecting rods (6).

5. The on-line automatic monitoring instrument for chemical oxygen demand (COD) according to claim 4 is characterized in that: A reaction pool (9) is fixedly mounted on the inner bottom of the monitor body (1), and the top of the reaction pool (9) is open.

6. The on-line automatic monitoring instrument for chemical oxygen demand (COD) according to claim 5, characterized in that: A drain pipe (10) is fixedly installed on the front side of the reaction tank (9); one end of the drain pipe (10) away from the reaction tank (9) is threadedly connected to a knob cover, and the other end of the drain pipe (10) extends into the interior of the reaction tank (9).

7. The on-line automatic monitoring instrument for chemical oxygen demand (COD) according to claim 6, characterized in that: A control console (11) is fixedly mounted on one side of the reaction pool (9), and the bottom of the control console (11) and the monitoring instrument body (1) are fixedly mounted.

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