A pressure testing device for a negative pressure drainage tube

Abstract

The present invention discloses a pressure testing device for a negative pressure drainage tube, which relates to the technical field of pressure testing. The pressure testing device for the negative pressure drainage tube includes a base, a control device is fixedly connected to the top of the base, a bearing seat is fixedly connected to the right side of the base, a mounting seat is fixedly connected to the left side of the base, a main shaft is rotatably connected to the inner wall of the bearing seat, and an extrusion mechanism is fixedly connected to the outer wall of the main shaft. In this pressure testing device for the negative pressure drainage tube, due to the arc-shaped setting of the inner wall of the arc-shaped block and the arc-shaped setting of the outer wall of the elliptical block, the airbag of the negative pressure drainage tube can be fully squeezed. When the airbag of the negative pressure drainage tube bulges, it sucks the pressure gauge, and the pressure value shown by the suction is displayed on the pressure gauge, thereby effectively measuring the suction force that the negative pressure drainage tube can generate. Moreover, the pressure gauge is electrically connected to the control device.

Description

Technical Field

[0001] The present invention relates to the technical field of pressure testing, and specifically relates to a pressure testing device for a negative pressure drainage tube. Background Technique

[0002] The core components of the negative pressure drainage technique are a negative pressure generator and a negative pressure drainage tube. The negative pressure drainage tube is connected to the negative pressure generator. When the negative pressure generator is started, the liquid in the wound is guided to the outside through the negative pressure drainage tube. The negative pressure drainage tube must be able to withstand a certain pressure. Otherwise, deformation under negative pressure will affect the progress of negative pressure drainage.

[0003] Referring to Chinese Publication No. CN216524513U, this patent discloses a pressure testing device for a negative pressure drainage tube, including a vacuum chamber for forming a vacuum environment inside it, a vacuum gauge for detecting the internal vacuum degree of the vacuum chamber, a vacuum pump for evacuating the inside of the vacuum chamber, and a plurality of negative pressure drainage tube interfaces for connecting both ends of the negative pressure drainage tube to the inside of the vacuum chamber. The vacuum gauge is arranged outside the vacuum chamber and communicates with the inside of the vacuum chamber. The vacuum pump is arranged outside the vacuum chamber and communicates with the inside of the vacuum chamber. The negative pressure drainage tube interfaces are arranged outside the vacuum chamber and communicate with the inside of the vacuum chamber through stop valves.

[0004] During the manufacturing process of the negative pressure drainage tube, there may be problems in terms of materials or installation. There are holes and gaps in the negative pressure drainage tube, which will cause the negative pressure drainage tube to be unusable. Therefore, testing is required after production. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides a pressure testing device for a negative pressure drainage tube to solve the problems raised in the above background technique.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions: A pressure testing device for a negative pressure drainage tube includes a base. A control device is fixedly connected to the top of the base. A bearing seat is fixedly connected to the right side of the base. An installation seat is fixedly connected to the left side of the base. A main shaft is rotatably connected to the inner wall of the bearing seat. An extrusion mechanism is fixedly connected to the outer wall of the main shaft.

[0007] The extrusion mechanism includes:

[0008] An installation bracket, the installation bracket is fixedly connected to the outer wall of the main shaft, and a limiting hole is opened on the outer wall of the installation bracket.

[0009] Arc-shaped block, which is fixedly connected to the top of the mounting bracket. The inner wall of the arc-shaped block is arranged in an arc shape, which cooperates with the arc-shaped outer wall of the elliptical block, so as to fully squeeze the airbag of the negative pressure drainage tube. When the airbag of the negative pressure drainage tube bulges, it sucks the pressure gauge, and the pressure degree shown by the suction is displayed on the pressure gauge, thereby effectively measuring the suction force that the negative pressure drainage tube can generate. Moreover, the pressure gauge is electrically connected to the control device, and the data measured by the pressure gauge can be transmitted to the control device, ensuring the testing of the negative pressure drainage tube and facilitating the recording and observation of the measured data;

[0010] Retractor, which is fixedly connected to the bottom of the mounting bracket, and the top of the retractor is movably connected with an elliptical block.

[0011] Preferably, a pressure gauge is fixedly connected to the outer wall of the main shaft. The setting of the pressure gauge effectively tests the suction force of the negative pressure drainage tube. Then, in combination with the simulation of the human body condition, it simulates that the human body may turn around and cough during the test, etc., improving the diversity of the test environment and ensuring the effective test of the negative pressure drainage tube. A rubber port is fixedly connected to the top of the pressure gauge. The rubber port is made of rubber material. The negative pressure drainage tube is also attached to the rubber port through adhesive tape. The rubber port is similar to human skin, thereby enhancing the simulated test environment. The setting of the rubber material of the rubber port simulates human skin, improving the detection effect.

[0012] Preferably, a steering detection mechanism is fixedly connected to the outer wall of the base. The steering detection mechanism includes a connecting bracket, and the connecting bracket is fixedly connected to the right side of the base.

[0013] Preferably, a motor is fixedly connected to the outer wall of the connecting bracket. The counterclockwise and clockwise rotations of the motor can drive the main shaft to rotate, thereby driving the cyclic forward and reverse rotations of the main shaft. When the main shaft rotates, it will drive the rotation of the pressure gauge. The pressure gauge rotates a certain angle, thereby simulating the activities of the human body during the measurement of the human body, and testing the adhesion between the negative pressure drainage tube and the rubber port. If the negative pressure drainage tube is skewed and falls off the rubber port, the negative pressure drainage tube cannot suck the pressure gauge. At this time, the reading of the pressure gauge is zero, and the reading of the pressure gauge will be transmitted to the control device, ensuring the timely transmission of data. The rotation of the main shaft will also drive the steering needle to rotate accordingly. The skew of the steering needle will squeeze the angle detection device, thereby monitoring the skew angle of the steering needle, and effectively measuring and recording the angle that the negative pressure drainage tube can skew. The motor is fixedly connected to the main shaft through a rotating shaft, and the angle that the motor drives the main shaft to rotate is 20 to -20 degrees.

[0014] Preferably, a limit bearing is fixedly connected to the right side of the base, and a belt is sleeved on the outer wall of the limit bearing and the outer wall of the main shaft.

[0015] Preferably, a steering needle is rotatably connected to the outer wall of the limit bearing, an angle detection device is fixedly connected to the outer wall of the limit bearing, and the steering needle is in active contact with the angle detection device.

[0016] Preferably, a vibration detection mechanism is fixedly connected to the top of the bearing seat, and the vibration detection mechanism comprises a spring, and the spring is fixedly connected to the top of the bearing seat.

[0017] Preferably, a fixing block is fixedly connected to the top of the spring, and a toggle rod is fixedly connected to the outer wall of the fixing block.

[0018] Preferably, a raised plate is fixedly connected to the outer wall of the main shaft adjacent to the toggle rod, and the kinetic energy generated by the intermittent counterclockwise and clockwise rotation of the main shaft is used to drive the rotation of the raised plate. When rotating, the raised plate collides with the toggle rod to drive the vibration of the raised plate, which is then transmitted to the rubber port and the negative pressure drainage tube through the main shaft, simulating the coughing and small-amplitude activities of the human body in reality, so as to test the measurement effect of the negative pressure drainage tube in the face of this situation. The vibration scale monitors the vibration of the vibration disk through vibration detection, and then the vibration amplitude will be transmitted to the vibration scale for display, and then the vibration scale transmits the detected vibration amplitude to the control device, which can effectively monitor the vibration amplitude and then record it. The raised plate is in active contact with the toggle rod.

[0019] Preferably, a vibration disk is fixedly connected to the outer wall of the main shaft, a vibration scale is fixedly connected to the top of the mounting seat, a vibration detection needle is movably connected to the outer wall of the vibration scale, and the vibration detection needle is in movably contact with the vibration disk.

[0020] The present invention provides a pressure testing device for a negative pressure drainage tube. It has the following beneficial effects:

[0021] 1. The pressure testing device for the negative pressure drainage tube, through the setting of the arc-shaped inner wall of the arc block and the setting of the arc-shaped outer wall of the elliptical block, can fully squeeze the airbag of the negative pressure drainage tube. The airbag of the negative pressure drainage tube inflates to suck the pressure gauge, and the pressure degree displayed by the suction is displayed on the pressure gauge, thereby effectively measuring the suction force that the negative pressure drainage tube can generate. Moreover, the pressure gauge is electrically connected to the control device, and the data measured by the pressure gauge can be transmitted to the control device, ensuring that the negative pressure drainage tube is tested while facilitating the recording and observation of the measured data.

[0022] 2. The pressure test device for the negative pressure drainage tube can drive the main shaft to rotate both counterclockwise and clockwise by the motor, and then drive the cyclic forward and reverse rotation of the main shaft. When the main shaft rotates, it will drive the rotation of the pressure gauge. The pressure gauge rotates by a certain angle, thereby simulating the activities of the human body during the measurement process of the human body, and testing the adhesion between the negative pressure drainage tube and the rubber port. If the negative pressure drainage tube is skewed and falls off from the rubber port, the negative pressure drainage tube cannot suck the pressure gauge. At this time, the reading of the pressure gauge is zero, and the reading of the pressure gauge will be transmitted to the control device, ensuring the timely transmission of data. The rotation of the main shaft will also drive the steering needle to rotate accordingly. The skew of the steering needle will squeeze the angle detection device, thereby monitoring the skew angle of the steering needle, and effectively measuring and recording the angle that the negative pressure drainage tube can be skewed.

[0023] 3. The pressure test device for the negative pressure drainage tube drives the rotation of the convex plate by using the kinetic energy generated during the intermittent counterclockwise and clockwise rotation of the main shaft. When the convex plate rotates, it impacts with the toggle rod to drive the vibration of the convex plate, and then is transmitted to the rubber port and the negative pressure drainage tube through the main shaft, simulating the coughing and small-scale activities of the human body in the real process, so as to test the measurement effect of the negative pressure drainage tube in the face of this situation. The vibration scale monitors the vibration of the vibration disk through the vibration detection needle, and then the amplitude of the vibration is transmitted to the vibration scale for display. Then the vibration scale transmits the detected vibration amplitude to the control device, which can effectively monitor and record the amplitude of the vibration.

[0024] 4. The pressure test device for the negative pressure drainage tube is made of rubber material for the rubber port, and the negative pressure drainage tube is also attached to the rubber port with adhesive tape. The rubber port is similar to human skin, thereby enhancing the simulated test environment. The setting of the rubber material of the rubber port simulates human skin, improving the detection effect.

[0025] 5. The pressure test device for the negative pressure drainage tube effectively tests the suction force of the negative pressure drainage tube through the setting of the pressure gauge, and then cooperates with the simulation of the human body situation, simulating that the human body may turn around and cough during the test process, etc., improving the diversity of the test environment and ensuring the effective test of the negative pressure drainage tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic axonometric structure diagram of the present invention;

[0027] Figure 2 It is a schematic partial structure diagram of the extrusion mechanism of the present invention;

[0028] Figure 3 It is a schematic structure diagram of the negative pressure drainage tube of the present invention;

[0029] Figure 4 of the present inventionFigure 1 Schematic diagram of the enlarged structure of part A;

[0030] Figure 5 Schematic diagram of the three-dimensional structure on the left side of the present invention;

[0031] Figure 6 For the present invention Figure 5 Schematic diagram of the enlarged structure of part B;

[0032] Figure 7 Schematic diagram of the bottom three-dimensional structure of the present invention;

[0033] Figure 8 Schematic diagram of the partial structure of the vibration detection needle of the present invention.

[0034] In the figure: 1, base; 2, control device; 3, main shaft; 4, bearing seat; 5, mounting seat; 6, extrusion mechanism; 61, arc block; 62, elliptical block; 63, limit hole; 64, mounting bracket; 65, telescopic machine; 7, vibration detection mechanism; 71, vibration scale; 72, vibration disk; 73, vibration detection needle; 74, fixing block; 75, spring; 76, toggle lever; 77, convex plate; 8, steering detection mechanism; 81, belt; 82, steering needle; 83, angle detection device; 84, limit bearing; 85, motor; 86, connecting bracket; 9, pressure gauge; 10, rubber port. Specific embodiments

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0036] Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0037] Embodiment 1

[0038] Please refer to Figures 1-3 , the present invention provides a technical solution: a pressure testing device for a negative pressure drainage tube, including a base 1, a control device 2 is fixedly connected to the top of the base 1, a bearing seat 4 is fixedly connected to the right side of the base 1, a mounting seat 5 is fixedly connected to the left side of the base 1, the inner wall of the bearing seat 4 is rotatably connected to a main shaft 3, and an extrusion mechanism 6 is fixedly connected to the outer wall of the main shaft 3;

[0039] The extrusion mechanism 6 includes:

[0040] The mounting bracket 64 is fixedly connected to the outer wall of the main shaft 3, and a limiting hole 63 is provided on the outer wall of the mounting bracket 64;

[0041] The arc-shaped block 61 is fixedly connected to the top of the mounting bracket 64. The inner wall of the arc-shaped block 61 is arc-shaped, which cooperates with the arc-shaped outer wall of the elliptical block 62. Therefore, the airbag of the negative pressure drainage tube is fully squeezed. When the airbag of the negative pressure drainage tube bulges, it sucks the pressure gauge 9, and the pressure degree shown by the suction is displayed on the pressure gauge 9. Thus, the suction force that the negative pressure drainage tube can generate is effectively measured. Moreover, the pressure gauge 9 is electrically connected to the control device 2, and the data measured by the pressure gauge 9 can be transmitted to the control device 2, ensuring the test of the negative pressure drainage tube and facilitating the recording and observation of the measured data;

[0042] The telescopic machine 65 is fixedly connected to the bottom of the mounting bracket 64, and the top of the telescopic machine 65 is movably connected to the elliptical block 62;

[0043] The outer wall of the main shaft 3 is fixedly connected with a pressure gauge 9, and the top of the pressure gauge 9 is fixedly connected with a rubber port 10.

[0044] During use, the control device 2 can control the start of each device. The airbag part of the negative pressure drainage tube is placed between the arc-shaped block 61 and the elliptical block 62. The negative pressure drainage tube is inserted into the limiting hole 63, and the suction end of the negative pressure drainage tube is inserted into the rubber port 10. The rubber port 10 is made of rubber material, and the negative pressure drainage tube is also attached to the rubber port 10 with adhesive tape. The rubber port 10 is similar to human skin, thus enhancing the simulated test environment. The telescopic machine 65 is powered on and starts to drive the elliptical block 62 to rise. The arc-shaped inner wall of the arc-shaped block 61 cooperates with the arc-shaped outer wall of the elliptical block 62, so the airbag position of the negative pressure drainage tube is squeezed. Then the elliptical block 62 descends. At this time, the bulge of the airbag of the negative pressure drainage tube will suck the pressure gauge 9, and the pressure degree shown by the suction is displayed on the pressure gauge 9.

[0045] Embodiment 2

[0046] Please refer to Figures 1-6 , on the basis of Embodiment 1, the present invention provides a technical solution:

[0047] The outer wall of the base 1 is fixedly connected with a steering detection mechanism 8. The steering detection mechanism 8 includes a connecting bracket 86, and the connecting bracket 86 is fixedly connected to the right side of the base 1.

[0048] The outer wall of the connecting bracket 86 is fixedly connected with a motor 85. The counterclockwise and clockwise rotations of the motor 85 can both drive the main shaft 3 to rotate, and then drive the cyclic forward and reverse rotations of the main shaft 3. When the main shaft 3 rotates, it will drive the rotation of the pressure gauge 9. The pressure gauge 9 rotates by a certain angle, thereby simulating the activities of the human body during the measurement of the human body, and testing the adhesion between the negative pressure drainage tube and the rubber port 10. If the negative pressure drainage tube is skewed and falls off from the rubber port 10, the negative pressure drainage tube cannot suck the pressure gauge 9. At this time, the reading of the pressure gauge 9 is zero, and the reading of the pressure gauge 9 will be transmitted to the control device 2, ensuring the timely transmission of data. The rotation of the main shaft 3 will also drive the steering needle 82 to rotate accordingly. The skew of the steering needle 82 will squeeze the angle detection device 83, thereby monitoring the skew angle of the steering needle 82, and effectively measuring and recording the angle that the negative pressure drainage tube can be skewed. The motor 85 is fixedly connected to the main shaft 3 through a rotating shaft, and the angle by which the motor 85 drives the main shaft 3 to rotate is from 20 to -20 degrees.

[0049] A limit bearing 84 is fixedly connected to the right side of the base 1. When the motor 85 is powered on and started, the counterclockwise and clockwise rotations of the motor 85 can both drive the main shaft 3 to rotate. When the main shaft 3 rotates, it will drive the rotation of the pressure gauge 9, thereby testing the adhesion between the negative pressure drainage tube and the rubber port 10. When the main shaft 3 is skewed to a certain angle, at this time the negative pressure drainage tube is skewed and falls off from the rubber port 10, and the negative pressure drainage tube cannot suck the pressure gauge 9. At this time, the reading of the pressure gauge 9 is zero, and the reading of the pressure gauge 9 will be transmitted to the control device 2. At this time, the rotation of the main shaft 3 will also drive the steering needle 82 to rotate accordingly. The skew of the steering needle 82 will squeeze the angle detection device 83, thereby monitoring the skew angle of the steering needle 82, and then transmitting it to the control device 2. A belt 81 is sleeved on the outer walls of the limit bearing 84 and the main shaft 3.

[0050] The outer wall of the limit bearing 84 is rotatably connected with a steering needle 82, and an angle detection device 83 is fixedly connected to the outer wall of the limit bearing 84. The steering needle 82 is in movable contact with the angle detection device 83.

[0051] During use, the motor 85 is powered on and started. The counterclockwise and clockwise rotations of the motor 85 can both drive the main shaft 3 to rotate. When the main shaft 3 rotates, it will drive the rotation of the pressure gauge 9, thereby testing the adhesion between the negative pressure drainage tube and the rubber port 10. When the main shaft 3 is skewed to a certain angle, at this time the negative pressure drainage tube is skewed and falls off from the rubber port 10, and the negative pressure drainage tube cannot suck the pressure gauge 9. At this time, the reading of the pressure gauge 9 is zero, and the reading of the pressure gauge 9 will be transmitted to the control device 2. At this time, the rotation of the main shaft 3 will also drive the steering needle 82 to rotate accordingly. The skew of the steering needle 82 will squeeze the angle detection device 83, thereby monitoring the skew angle of the steering needle 82, and then transmitting it to the control device 2.

[0052] Embodiment III

[0053] Please refer to Figures 1-8 , based on Embodiment I and Embodiment II, the present invention provides a technical solution:

[0054] A vibration detection mechanism 7 is fixedly connected to the top of the bearing housing 4. The vibration detection mechanism 7 includes a spring 75, and the spring 75 is fixedly connected to the top of the bearing housing 4.

[0055] The top of the spring 75 is fixedly connected to a fixing block 74, and a toggle rod 76 is fixedly connected to the outer wall of the fixing block 74.

[0056] A raised plate 77 is fixedly connected to the outer wall of the main shaft 3 adjacent to the toggle rod 76, and the raised plate 77 is in movable contact with the toggle rod 76.

[0057] A vibration disk 72 is fixedly connected to the outer wall of the main shaft 3, a vibration scale 71 is fixedly connected to the top of the mounting seat 5, a vibration detection needle 73 is movably connected to the outer wall of the vibration scale 71, and the vibration detection needle 73 is in movable contact with the vibration disk 72.

[0058] During use, during the intermittent counterclockwise and clockwise rotation of the main shaft 3, it will drive the rotation of the raised plate 77. When the raised plate 77 rotates, it impacts the toggle rod 76. The toggle rod 76 is fixed to the bearing housing 4 through the fixing block 74 and the spring 75. During the mutual toggling process between the raised plate 77 and the toggle rod 76, it will drive the vibration of the raised plate 77, and then conduct it to the rubber port 10 and the negative pressure drainage tube through the main shaft 3, simulating the activities of the human body in the real process. The vibration of the main shaft 3 is conducted through the vibration disk 72, and then the vibration scale 71 monitors the vibration of the vibration disk 72 through the vibration detection needle 73. Then the amplitude of the vibration will be conducted to the vibration scale 71 for display, and then the vibration scale 71 conducts the detected vibration amplitude to the control device 2.

[0059] Embodiment IV

[0060] Please refer to Figures 1-8 , based on Embodiment I, Embodiment II and Embodiment III, the present invention provides a technical solution:

[0061] A pressure test system for a negative pressure drainage tube, including a base 1, and a control device 2 is fixedly connected to the top of the base 1;

[0062] In practical applications, the control device 2 is a plc programmable logic controller, which can control the operation of the device and record data;

[0063] Optionally, the model of the control device 2 can be S7-1200;

[0064] The control device 2 records the transmitted data during use. Optionally, the program can be:

[0065] class DataRecord:

[0066] def __init__(self):

[0067] self.records = [] # Use a list to store data records

[0068] def add_record(self, record):

[0069] """

[0070] Add a data record

[0071] """

[0072] self.records.append(record)

[0073] def display_records(self):

[0074] """

[0075] Display all data records

[0076] """

[0077] for i, record in enumerate(self.records):

[0078] print(f"Record {i+1}: {record}");

[0079] On the right side of the base 1, there is a bearing block 4 fixedly connected, and on the left side of the base 1, there is a mounting seat 5 fixedly connected. The inner wall of the bearing block 4 is rotatably connected to the main shaft 3, and on the outer wall of the main shaft 3, there is an extrusion mechanism 6 fixedly connected;

[0080] The extrusion mechanism 6 includes:

[0081] A mounting bracket 64, which is fixedly connected to the outer wall of the main shaft 3, and a limiting hole 63 is provided on the outer wall of the mounting bracket 64;

[0082] An arc-shaped block 61, which is fixedly connected to the top of the mounting bracket 64;

[0083] A telescoping machine 65, which is fixedly connected to the bottom of the mounting bracket 64, and the top of the telescoping machine 65 is movably connected to an elliptical block 62;

[0084] In practical applications, the telescoping machine 65 is used to push the elliptical block 62 up and down;

[0085] The outer wall of the main shaft 3 is fixedly connected with a barometer 9;

[0086] In practical applications, the barometer 9 is used to measure the air pressure;

[0087] Optionally, the model of the barometer 9 may be an ELECALL round pointer precision micro differential pressure gauge;

[0088] A rubber port 10 is fixedly connected to the top of the barometer 9;

[0089] A steering detection mechanism 8 is fixedly connected to the outer wall of the base 1 . The steering detection mechanism 8 includes a connecting bracket 86 . The connecting bracket 86 is fixedly connected to the right side of the base 1 .

[0090] The outer wall of the connecting bracket 86 is fixedly connected with a motor 85;

[0091] In practical applications, the motor 85 can drive the spindle 3 to rotate clockwise and counterclockwise in a cycle;

[0092] The angle at which the motor 85 drives the spindle 3 to rotate is transmitted to the control device 2;

[0093] The motor 85 is fixedly connected to the main shaft 3 via a rotating shaft, and the motor 85 drives the main shaft 3 to rotate at an angle of 20 to -20 degrees.

[0094] A limit bearing 84 is fixedly connected to the right side of the base 1 , and a belt 81 is sleeved on the outer wall of the limit bearing 84 and the outer wall of the main shaft 3 .

[0095] The outer wall of the limit bearing 84 is rotatably connected with a steering needle 82 , and the outer wall of the limit bearing 84 is fixedly connected with an angle detection device 83 , and the steering needle 82 is in active contact with the angle detection device 83 .

[0096] The top of the bearing seat 4 is fixedly connected with a vibration detection mechanism 7 , which includes a spring 75 , and the spring 75 is fixedly connected to the top of the bearing seat 4 .

[0097] The top of the spring 75 is fixedly connected to a fixing block 74 , and the outer wall of the fixing block 74 is fixedly connected to a toggle rod 76 .

[0098] A protruding plate 77 is fixedly connected to the outer wall of the main shaft 3 adjacent to the toggle rod 76 , and the protruding plate 77 is in movable contact with the toggle rod 76 .

[0099] A vibration plate 72 is fixedly connected to the outer wall of the main shaft 3, and a vibration scale 71 is fixedly connected to the top of the mounting seat 5;

[0100] In actual application, the vibration scale 71 monitors the vibration of the main shaft 3 through the vibration detection needle 73, and then transmits the monitored data to the control device 2;

[0101] Optionally, the model of the vibration scale 71 can be a DELIXI vibration meter;

[0102] The outer wall of the vibration scale 71 is movably connected with a vibration detection needle 73, and the vibration detection needle 73 is in movable contact with the vibration disk 72;

[0103] In practical applications, the vibration scale 71, the telescoping machine 65, the pressure gauge 9, and the angle detection device 83 are all electrically connected to the power supply line and the control device 2.

[0104] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A pressure testing device for a negative pressure drainage tube, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a control device (2), the right side of the base (1) is fixedly connected to a bearing seat (4), the left side of the base (1) is fixedly connected to a mounting seat (5), the inner wall of the bearing seat (4) is rotatably connected to a main shaft (3), and the outer wall of the main shaft (3) is fixedly connected to an extrusion mechanism (6); The extrusion mechanism (6) comprises: A mounting bracket (64), wherein the mounting bracket (64) is fixedly connected to the outer wall of the main shaft (3), and a limiting hole (63) is provided on the outer wall of the mounting bracket (64); An arc block (61), wherein the arc block (61) is fixedly connected to the top of the mounting bracket (64); A telescopic machine (65), the telescopic machine (65) is fixedly connected to the bottom of the mounting bracket (64), the top of the telescopic machine (65) is movably connected to an elliptical block (62), the outer wall of the base (1) is fixedly connected to a steering detection mechanism (8), the steering detection mechanism (8) comprises a connecting bracket (86), the connecting bracket (86) is fixedly connected to the right side of the base (1), the outer wall of the connecting bracket (86) is fixedly connected to a motor (85), the motor (85) is connected to the main shaft (64) via a rotating shaft 3) is fixedly connected, the motor (85) drives the main shaft (3) to rotate at an angle of 20 to -20 degrees, the right side of the base (1) is fixedly connected with a limit bearing (84), the outer wall of the limit bearing (84) and the outer wall of the main shaft (3) are sleeved with a belt (81), the outer wall of the limit bearing (84) is rotatably connected with a steering needle (82), the outer wall of the limit bearing (84) is fixedly connected with an angle detection device (83), and the steering needle (82) is in active contact with the angle detection device (83).

2. A pressure testing device for a negative pressure drainage tube according to claim 1, characterized in that: A barometer (9) is fixedly connected to the outer wall of the main shaft (3), and a rubber port (10) is fixedly connected to the top of the barometer (9).

3. A pressure testing device for a negative pressure drainage tube according to claim 1, characterized in that: A vibration detection mechanism (7) is fixedly connected to the top of the bearing seat (4); the vibration detection mechanism (7) comprises a spring (75); and the spring (75) is fixedly connected to the top of the bearing seat (4).

4. A pressure testing device for a negative pressure drainage tube according to claim 3, characterized in that: The top of the spring (75) is fixedly connected to a fixing block (74), and the outer wall of the fixing block (74) is fixedly connected to a toggle rod (76).

5. A pressure testing device for a negative pressure drainage tube according to claim 4, characterized in that: A protruding plate (77) is fixedly connected to the outer wall of the main shaft (3) at a position adjacent to the toggle rod (76), and the protruding plate (77) is in active contact with the toggle rod (76).

6. A pressure testing device for a negative pressure drainage tube according to claim 5, characterized in that: The outer wall of the main shaft (3) is fixedly connected with a vibration disk (72), the top of the mounting seat (5) is fixedly connected with a vibration scale (71), the outer wall of the vibration scale (71) is movably connected with a vibration detection needle (73), and the vibration detection needle (73) is in movably contact with the vibration disk (72).

Images