Reciprocating pump stuffing box sealing performance detection device

Abstract

The invention discloses a reciprocating pump stuffing box sealing performance detection device which comprises a plunger driving mechanism and a hydraulic cylinder, a plunger with the left end and the right end extending out of the hydraulic cylinder is arranged in the hydraulic cylinder in a sleeved mode, and the left side and the right side of the hydraulic cylinder are each connected with a stuffing sealing assembly and an end sealing assembly which are arranged on the plunger in a sleeved mode in a sealed mode. The packing sealing assembly and the end sealing assembly each comprise a packing box body, a packing assembling cavity is formed between the plunger and the packing box body, and a packing unit and a box body gland for sealing the outer end of the packing box body are arranged in the packing assembling cavity. The packing sealing assembly and the plunger together form a first to-be-tested packing box, and the end sealing assembly and the plunger together form a second to-be-tested packing box. A shock-proof pressure gauge and a bimetal thermometer of which the lower ends extend into the medium accommodating chamber are also arranged on the hydraulic cylinder; the plunger driving mechanism is located on one side of the plunger, and an output shaft of the plunger driving mechanism is fixedly connected with the plunger through a tension sensor.

Description

Technical Field

[0001] This invention relates to the field of testing the sealing performance of packing glands in reciprocating pumps, and more particularly to a device for testing the sealing performance of packing glands in reciprocating pumps. Background Technology

[0002] In reciprocating pumps, the plunger reciprocates. To seal the plunger and prevent leakage of the pumped medium or entry of outside air, a stuffing box is installed outside the plunger. The stuffing box includes a stuffing box and a plunger housed within it. A packing assembly chamber exists between the plunger and the stuffing box, containing a box cover and packing units fitted onto the plunger. The box cover is fixedly connected to the end of the stuffing box closest to the outside. A pressure plate is fitted onto the stuffing box, and multiple screws pass through it, engaging with a packing nut to connect it to the pump body. During the plunger's reciprocating movement, the driving force is subject to complex forces, including the hydraulic pressure of the medium, the preload of the packing nut, and the friction between the plunger and the packing. This results in significant energy consumption and a heavy load on the driving force. Under high-temperature conditions, the stuffing box is also affected by thermal stress. Therefore, theoretical analysis of the stuffing box's sealing performance is difficult, requiring experimental analysis to determine its sealing capabilities. Currently, stuffing boxes are not tested for sealing performance independently. Instead, their sealing performance is assessed by observing leakage during trial operation after assembly with the reciprocating pump. This testing method is short and does not reflect the actual sealing performance of the stuffing box. Furthermore, existing testing equipment requires the installation of two check valves and piping systems to simulate the changes in the plunger's space within the pump body under actual operating conditions, making the overall structure more complex. Moreover, existing testing equipment can only test the sealing performance of one stuffing box at a time, resulting in low testing efficiency. Summary of the Invention

[0003] In view of the above-mentioned shortcomings of the existing technology, the purpose of this invention is to solve the problems of low testing efficiency, high power demand and complex structure of existing testing devices, and to provide a reciprocating pump stuffing box sealing performance testing device that can test the sealing performance of two stuffing boxes at one time, and has a simple overall testing structure and low power demand.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a reciprocating pump stuffing box sealing performance testing device, comprising a plunger driving mechanism and a first stuffing box to be tested, the first stuffing box to be tested comprising a plunger and a stuffing sealing assembly fitted on the plunger, the stuffing sealing assembly comprising a stuffing box, a stuffing assembly chamber between the plunger and the stuffing box, the stuffing assembly chamber being provided with a stuffing unit and a box cover for sealing the outer end of the stuffing box; a hydraulic cylinder is provided on one side of the first stuffing box to be tested and sealed to the inner end of its stuffing box, the plunger of the first stuffing box to be tested passing through the inner cavity of the hydraulic cylinder and extending outward to seal with the end sealing assembly. The end sealing assembly is a packing seal structure, with its inner end sealed to the adjacent side of the hydraulic cylinder, and together with the plunger, forming a second packing gland to be tested. The first and second packing glands to be tested, together with the inner cavity of the hydraulic cylinder, form a sealed medium receiving chamber. A medium pressurizing pump and a medium heating element are provided on one side of the hydraulic cylinder, which can heat the liquid medium in the medium receiving chamber. A shock-resistant pressure gauge and a bimetallic thermometer are also provided on the hydraulic cylinder, with their lower ends extending into the medium receiving chamber. The plunger drive mechanism is located on one side of the plunger, and the output shaft of the plunger drive mechanism is connected and fixed to the plunger through a tension sensor, which can drive the plunger to reciprocate linear motion. In this way, the first and second stuffing boxes to be tested are sealed and fixedly installed on the left and right sides of the hydraulic cylinder, respectively. Both stuffing boxes share a single plunger, with both sides of the plunger extending beyond the hydraulic cylinder and the stuffing box. This arrangement avoids the plunger drive mechanism bearing the hydraulic pressure generated by the hydraulic medium in the hydraulic tank during the test, greatly reducing the load on the power end and also reducing energy consumption, thus achieving the goal of testing the sealing performance of two stuffing boxes simultaneously. During the test, the hydraulic cylinder is first assembled and fixed, and then the first and second stuffing boxes to be tested are installed and fixed on the left and right sides of the hydraulic cylinder. Then, the medium is introduced into the medium receiving chamber of the hydraulic cylinder. Finally, the plunger drive mechanism is started to drive the plunger to reciprocate for a set time, and during this process, it is observed whether liquid medium flows out of the hydraulic cylinder to determine the sealing performance of the two stuffing boxes. The amplitude of the force on the plunger is obtained and determined in real time by observing the detection value of the tension sensor, thus obtaining the frictional force between the plunger and the packing. The temperature and pressure of the liquid during the test can also be obtained by observing the information on the shock-resistant pressure gauge and the bimetallic thermometer. In addition, the medium heating element installed on the hydraulic cylinder can heat the liquid medium in its inner cavity to the temperature required for the experiment (if the test conditions are high temperature, the heater is turned on to heat the liquid temperature to the required test temperature), and the pressure pump can pressurize the liquid cylinder to the required test pressure, thereby meeting the performance requirements of the stuffing box under high temperature and high pressure.

[0005] Furthermore, the plunger drive mechanism is a linear reciprocating motor, with its output shaft coaxial with the plunger. At least one inclined surface is provided on both the left and right sides of the lower end of the linear reciprocating motor, and a wedge-shaped adjusting block is provided under each inclined surface to cooperate with it. A pushing mechanism for horizontally moving the wedge-shaped adjusting block is provided on one side of each wedge-shaped adjusting block. This ensures a relatively stable output from the linear reciprocating motor, meeting the requirements for axial reciprocating movement of the plunger. The wedge-shaped adjusting block on the lower end face of the motor allows for fine-tuning of the motor's fixed height. Simultaneously, after adjusting the assembly height of the motor's output shaft, the wedge-shaped adjusting block can also adjust the concentricity between the motor's output shaft and the stuffing box under test, thereby obtaining the differences in the sealing performance of the stuffing box under different concentricities.

[0006] Furthermore, the pushing mechanism includes a vertical plate and a horizontally arranged adjusting bolt. The adjusting bolt passes through the vertical plate and is threaded to it, with its end abutting against the wedge-shaped adjusting block. Thus, in use, the wedge-shaped adjusting block can be moved by rotating the adjusting bolt, causing it to move laterally. This changes the contact angle between the upper inclined surface of the wedge-shaped adjusting block and the lower end of the plunger drive mechanism, achieving the purpose of quickly adjusting the position of the wedge-shaped adjusting block.

[0007] Furthermore, the packing seal assembly and the end seal assembly have the same structure. A pressure plate is fitted onto the packing housing of both the packing seal assembly and the end seal assembly, and the pressure plate is fixedly connected to the hydraulic cylinder by multiple fastening bolts. In this way, the pressure plate and the fastening bolts, when engaged, can securely seal and fix the packing housing of the packing seal assembly and the end seal assembly to the side end of the hydraulic cylinder, simulating the assembly structure of the packing seal assembly and the end seal assembly in a reciprocating pump.

[0008] Furthermore, the tension sensor is an S-type tension sensor. This S-type tension sensor allows two tension transmission parts to be connected together, serving as a connector, and converts the received tension and pressure into electrical signals in real time during application. Additionally, the S-type tension sensor is easy to install.

[0009] Furthermore, the hydraulic cylinder includes a hydraulic cylinder and a pressure plate, which are connected by bolts and sealed between their contact surfaces with a spiral wound gasket. The lower end of the hydraulic cylinder is fixedly connected to a base plate by fasteners. In this way, the entire hydraulic cylinder is fixed to the base plate, maintaining stability during testing. The hydraulic cylinder consists of two parts, with the connection sealed by a spiral wound gasket, resulting in high structural strength and good sealing performance.

[0010] Furthermore, the system also includes a controller and a display system. The controller is wirelessly connected to the tensile sensor, the shock-resistant pressure gauge, and the bimetallic thermometer. It receives the detection results from these devices and sends them to the display system for display. This controller and display system facilitate the storage and real-time viewing of detection data by testing personnel, enhancing the automation level of the testing device.

[0011] Compared with the prior art, the present invention has the following advantages:

[0012] 1. During the test, both ends of the plunger extend out of the hydraulic cylinder, and a packing seal assembly and an end seal assembly are installed at the extended ends of the plunger. This avoids the plunger drive mechanism from bearing the hydraulic pressure generated by the hydraulic medium in the hydraulic tank during the test, greatly reducing the load on the power end and also reducing the energy consumption of the power end, thereby meeting the purpose of testing the sealing performance of two stuffing boxes to be tested at one time.

[0013] 2. The end sealing assembly and packing seal assembly are both fitted onto the same plunger, thus forming two stuffing boxes together with the plunger. This allows for simultaneous testing of the two stuffing boxes under the same operating conditions, effectively improving the testing efficiency of the stuffing boxes. Furthermore, the two sealing assemblies not only form stuffing boxes with the plunger but also act as seals to achieve dynamic sealing on both sides of the hydraulic cylinder cavity.

[0014] 3. The installed pressurizing pump and heating components can pressurize and heat the liquid medium to complete the high-temperature and high-pressure stuffing box sealing performance test, and can obtain the plunger force and stuffing box leakage status in real time. Attached Figure Description

[0015] To make the objectives, technical solutions, and advantages of the invention clearer, the invention will now be described in further detail with reference to the accompanying drawings, wherein:

[0016] Figure 1 This is a schematic cross-sectional view of the reciprocating pump stuffing box sealing performance testing device under test conditions in the embodiment.

[0017] Figure 2 This is an enlarged schematic diagram of the installation structure of the plunger, hydraulic cylinder and two stuffing boxes to be tested in the embodiment;

[0018] Figure 3 This is a side view of the reciprocating pump stuffing box sealing performance testing device in the embodiment. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to represent selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] It should be noted that similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures, or the orientation or positional relationship commonly used when the product is in use. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. In addition, the terms "horizontal," "vertical," etc., do not indicate that the component is required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted. In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0022] Example: See Figure 1 , Figure 2 and Figure 3The reciprocating pump stuffing box sealing performance testing device provided in this embodiment includes a plunger 4 drive mechanism 1 and a hydraulic cylinder 5 located on one side of the output end of the plunger 4 drive mechanism 1. A plunger 4 with both ends extending out of the hydraulic cylinder 5 is fitted inside the hydraulic cylinder 5. A stuffing seal assembly 8a and an end seal assembly 8b are respectively sealed and connected to the plunger 4 on the left and right sides of the hydraulic cylinder 5. Both the stuffing seal assembly 8a and the end seal assembly 8b include a stuffing box 801. A stuffing assembly chamber is provided between the plunger 4 and the stuffing box 801. The stuffing assembly chamber is provided with a stuffing unit 802 and a box cover 803 that seals the outer end of the stuffing box 801. The stuffing seal assembly 8a and the plunger 4 together form a first stuffing box to be tested, and the end seal assembly 8b and the plunger 4 together form a second stuffing box to be tested (the first stuffing box in this embodiment). The first and second stuffing boxes under test have the same structure, both being single-stage stuffing boxes. In specific implementations, they can be replaced with bipolar stuffing boxes, meaning that different sealing components can be replaced to form different stuffing boxes for testing. The first and second stuffing boxes under test, together with the inner cavity of the hydraulic cylinder 5, form a sealed medium-containing chamber 53. A medium pressurization pump and a medium heating element 55 are provided on one side of the hydraulic cylinder 5. The medium heating element 55 can heat the liquid medium in the medium-containing chamber 53. The hydraulic cylinder 5 is also equipped with a shock-resistant pressure gauge 6 and a bimetallic thermometer 7, the lower end of which extends into the medium-containing chamber 53. The plunger 4 drive mechanism 1 is located on one side of the plunger 4, and the output shaft of the plunger 4 drive mechanism 1 is connected and fixed to the plunger 4 through a tension sensor 9, which can drive the plunger 4 to reciprocate linearly.

[0023] In this way, the first and second stuffing boxes to be tested are respectively sealed and fixed on the left and right sides of the hydraulic cylinder 5. Both stuffing boxes share a single plunger 4, and both sides of the plunger 4 extend beyond the hydraulic cylinder 5 and the stuffing boxes. This arrangement avoids the plunger 4 drive mechanism 1 bearing the hydraulic pressure generated by the hydraulic medium in the hydraulic tank during the test, greatly reducing the load on the power end and also reducing the energy consumption of the power end, thus achieving the purpose of testing the sealing performance of two stuffing boxes to be tested at the same time. During the test, the hydraulic cylinder 5 is first assembled and fixed, and then the first and second stuffing boxes to be tested are installed and fixed on the left and right sides of the hydraulic cylinder 5. Then, the medium is introduced into the medium receiving chamber 53 of the hydraulic cylinder 5. Finally, the plunger 4 drive mechanism 1 is started to drive the plunger 4 to reciprocate for a set time, and during this process, it is observed whether liquid medium flows out of the hydraulic cylinder 5 to determine the sealing performance of the two stuffing boxes to be tested. By observing the detection value of the tension sensor 9, the amplitude of the force on the plunger 4 can be obtained and determined in real time, and the frictional force between the plunger 4 and the packing can be obtained. Furthermore, the temperature and pressure of the liquid during the test can be obtained by observing the information on the shock-resistant pressure gauge 6 and the bimetallic thermometer. In addition, the medium heating element 55 installed on the hydraulic cylinder 5 can heat the liquid medium inside its cavity to the required experimental temperature (if the test conditions are high temperature, the heater is turned on to heat the liquid to the required temperature). The pressure pump can pressurize the liquid cylinder 51 to the required test pressure, thereby meeting the performance requirements of the packing gland under high temperature and high pressure conditions.

[0024] In this embodiment, the plunger 4 drive mechanism 1 is a linear reciprocating motor, and the output shaft 1 of the linear reciprocating motor is coaxially arranged with the plunger 4. An inclined surface is provided on both the left and right sides of the lower end of the linear reciprocating motor, and a wedge-shaped adjusting block 2 is provided below each inclined surface (the inclination angle of the inclined surface on the wedge-shaped adjusting block 2 is consistent with the inclination angle of the inclined surface below the motor). A pushing mechanism 3 is provided on one side of each wedge-shaped adjusting block 2 to push the wedge-shaped adjusting block 2 horizontally. In this way, the output of the linear reciprocating motor is relatively stable, which can meet the requirements of the axial reciprocating movement of the plunger 4. The wedge-shaped adjusting block 2 provided on the lower end face of the motor can finely adjust the fixed height of the electrode. Simultaneously, the wedge-shaped adjusting block 2 can also adjust the concentricity between the motor output shaft and the stuffing box under test after adjusting the assembly height of the motor output shaft, thereby obtaining the difference in the sealing performance of the stuffing box under different concentricities.

[0025] Furthermore, the pushing mechanism 3 includes a vertical plate 32 and a horizontally arranged adjusting bolt 31. The adjusting bolt 31 passes through the vertical plate 32 and is threadedly connected to it, with its end abutting against the wedge-shaped adjusting block 2. Thus, in use, the wedge-shaped adjusting block 2 can be moved by rotating the adjusting bolt 31, causing it to move laterally. This changes the contact angle between the upper inclined surface of the wedge-shaped adjusting block 2 and the lower end of the plunger 4 drive mechanism 1, achieving the purpose of quickly adjusting the position of the wedge-shaped adjusting block 2.

[0026] Furthermore, the packing seal assembly 8a and the end seal assembly 8b have the same structure. A pressure plate 804 is fitted onto the packing housing 801 of both the packing seal assembly 8a and the end seal assembly 8b. The pressure plate 804 is fixedly connected to the hydraulic cylinder 5 by multiple fastening bolts 805. Thus, the pressure plate 804, in conjunction with the fastening bolts 805, can securely seal and fix the packing housing 801 of the packing seal assembly 8a and the end seal assembly 8b to the side of the hydraulic cylinder 5, simulating the assembly structure of the packing seal assembly 8a and the end seal assembly 8b in a reciprocating pump.

[0027] In this embodiment, the tension sensor 9 is an S-type tension sensor. This S-type tension sensor is a purchased product, with mounting holes at both ends for fixed connection to the output shaft and the end of the plunger 4, respectively. In this way, the S-type tension sensor allows two tension transmission parts to be connected together, serving as a connector. In application, it converts the received tension and pressure into electrical signals in real time, and the S-type tension sensor is easy to install.

[0028] In this embodiment, the hydraulic cylinder 5 operates at constant pressure without alternating loads, which improves the stress distribution of the testing device and increases its stability. Specifically, the hydraulic cylinder 5 includes a liquid cylinder 51 and a pressure cap 52 (the shock-resistant pressure gauge 6 and the bimetallic thermometer are respectively mounted on the liquid cylinder 51 and the pressure cap 52). The liquid cylinder 51 and the pressure cap 52 are connected by bolts, and a spiral wound gasket 54 seals the contact surfaces between the liquid cylinder 51 and the pressure cap. The lower end of the hydraulic cylinder 5 is fixedly connected to a base plate by fasteners. In this embodiment, the liquid cylinder 51 and the pressure cap have the same structure and are arranged symmetrically from left to right. A groove that matches the end of the corresponding stuffing box is provided on the outer side of both the liquid cylinder 51 and the pressure cap 52, and a sealing ring is provided on the contact surface between the stuffing box and the groove. In this way, the hydraulic cylinder 5 is fixed to the base plate and can remain stable during the test. The hydraulic cylinder 5 is composed of two parts, and the connection is sealed by a spiral wound gasket, resulting in high structural strength and good sealing performance.

[0029] To enhance the automation level of the testing device, the reciprocating pump stuffing box seal performance testing device in this embodiment also includes a controller and a display system. The controller is wirelessly connected to the tension sensor 9, the shock-resistant pressure gauge 6, and the bimetallic thermometer, and is used to receive the test results from the tension sensor 9, the shock-resistant pressure gauge 6, and the bimetallic thermometer, and send the results to the display system for display. Thus, by setting up the controller and display system, testing personnel can easily store and view the test data in real time, improving the automation level of the testing device.

[0030] In this embodiment, when judging the sealing performance, if liquid medium flows out from the side of hydraulic cylinder 5, it is determined that the corresponding stuffing box under test on that side has a leak, and the sealing performance is poor. To further improve the level of automation, a leak detector can be installed on hydraulic cylinder 5. The leak detector is connected to the controller, and when a medium leak is detected, the controller issues an alarm. This alarm can be voice or remote information.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the technical solutions. Those skilled in the art should understand that any modifications or equivalent substitutions to the technical solutions of the present invention without departing from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A device for testing the sealing performance of a reciprocating pump stuffing box, comprising a plunger drive mechanism and a first stuffing box to be tested, wherein the first stuffing box to be tested includes a plunger and a stuffing sealing assembly fitted on the plunger, the stuffing sealing assembly includes a stuffing box, a stuffing assembly chamber is provided between the plunger and the stuffing box, the stuffing assembly chamber is provided with a stuffing unit and a box cover for sealing the outer end of the stuffing box; characterized in that... A hydraulic cylinder is provided on one side of the first stuffing box to be tested, which is sealed to the inner end of its stuffing box. The plunger of the first stuffing box to be tested passes through the inner cavity of the hydraulic cylinder, extends outward, and is sealed to the end sealing assembly. The end sealing assembly is a stuffing seal structure, with its inner end sealed to the adjacent side of the hydraulic cylinder, and together with the plunger, forms the second stuffing box to be tested. The first stuffing box to be tested, the second stuffing box to be tested, and the inner cavity of the hydraulic cylinder together form a closed medium receiving chamber. A medium pressurizing pump and a medium heating element are provided on one side of the hydraulic cylinder. The medium heating element can heat the liquid medium in the medium receiving chamber. A shock-resistant pressure gauge and a bimetallic thermometer are also provided on the hydraulic cylinder, with their lower ends extending into the medium receiving chamber. The plunger drive mechanism is located on one side of the plunger, and the output shaft of the plunger drive mechanism is connected and fixed to the plunger through a tension sensor, which can drive the plunger to reciprocate linear motion.

2. The reciprocating pump stuffing box sealing performance testing device according to claim 1, characterized in that, The plunger drive mechanism is a linear reciprocating motor, and the output shaft of the linear reciprocating motor is coaxially arranged with the plunger. At least one inclined surface is provided on both the left and right sides of the lower end of the linear reciprocating motor. A wedge-shaped adjusting block is provided under each inclined surface to cooperate with it. A pushing mechanism for pushing the wedge-shaped adjusting block to move horizontally is provided on one side of each wedge-shaped adjusting block.

3. The reciprocating pump stuffing box sealing performance testing device according to claim 2, characterized in that, The pushing mechanism includes a vertical plate and a horizontally arranged adjusting bolt. The adjusting bolt passes through the vertical plate in the middle and is threadedly connected to it. Its end abuts against the wedge-shaped adjusting block.

4. The reciprocating pump stuffing box sealing performance testing device according to claim 1, 2, or 3, characterized in that, The packing seal assembly and the end seal assembly have the same structure. A pressure plate is fitted onto the packing box of both the packing seal assembly and the end seal assembly. The pressure plate is fixedly connected to the hydraulic cylinder by multiple fastening bolts.

5. The reciprocating pump stuffing box sealing performance testing device according to claim 4, characterized in that, The tension sensor is an S-type tension sensor.

6. The reciprocating pump stuffing box sealing performance testing device according to claim 4, characterized in that, The hydraulic cylinder includes a hydraulic cylinder and a pressure plate, which are connected by bolts and sealed between the contact surfaces of the hydraulic cylinder and the pressure plate by a spiral wound gasket; the lower end of the hydraulic cylinder is fixedly connected to a base plate by fasteners.

7. The reciprocating pump stuffing box sealing performance testing device according to claim 1, 2, 3, 5, or 6, characterized in that, It also includes a controller and a display system. The controller is wirelessly connected to the tension sensor, the shock-resistant pressure gauge and the bimetallic thermometer, and is used to receive the detection results of the tension sensor, the shock-resistant pressure gauge and the bimetallic thermometer, and send the results to the display system for display.

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