Testing device for plunger pump
By designing a simplified plunger pump testing device, the problems of complex structure, cumbersome operation, and low testing accuracy of existing devices are solved, realizing convenient and high-precision plunger pump testing that can simulate actual working conditions.
Patent Information
- Application Number
- CN202520218623.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing plunger pump testing devices are complex in structure, cumbersome in operation, have low testing accuracy, and are difficult to simulate actual working conditions.
A test device was designed, including a mounting bracket, a workbench, a movable tooling plate, a drive unit, an oil tank, and related connecting structures. This device simplifies the installation, disassembly, and high-precision testing of plunger pumps. The stability and testing accuracy of the device are ensured through the cooperation of the slide rail and the slider.
The device structure has been simplified, the ease of operation and testing accuracy have been improved, and it can better simulate the actual working state of the plunger pump.
Smart Images

Figure CN223908360U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plunger pump test technical field, concretely is a kind of test device for plunger pump. BACKGROUND
[0002] As the key element in hydraulic system, the performance of plunger pump directly affects the operating efficiency, stability and reliability of the whole hydraulic system. With the continuous progress of industrial technology, plunger pump has been widely used in petroleum, chemical industry, metallurgy, machinery, ship and other fields, and the requirement for its performance is also higher and higher. The traditional plunger pump test device mostly has problems such as complex structure, cumbersome operation, low test precision and difficulty in simulating actual working conditions. Therefore, a new type of test device with simple structure, convenient operation, accurate test and ability to simulate actual working conditions of plunger pump is developed. UTILITY MODEL CONTENT
[0003] The utility model provides a kind of test device for plunger pump, can solve the problems such as complex structure, cumbersome operation, low test precision and difficulty in simulating actual working conditions of the plunger pump test device of prior art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of test device for plunger pump, including mounting bracket, the front side of the mounting bracket is fixedly arranged with workbench;Tooling plate is movably arranged on the upper side of the workbench, the front side of the tooling plate is detachably provided with the mounting plate for placing plunger pump, the plunger pump is connected with the mounting plate by fastener;Driving device is arranged on the rear side of the tooling plate, the driving device is connected with the mounting bracket, the movable end of the driving device is connected with the drive shaft of the plunger pump by shaft coupling;Oil tank is detachably arranged on the upper side of the mounting bracket;One end of the oil tank is provided with at least one oil inlet channel, the oil inlet channel is connected with the oil inlet of the plunger pump, the other end of the oil tank is provided with oil return channel, the oil return channel is connected with the oil return port of the plunger pump, overflow valve is arranged on the oil return channel, the top of the oil tank is provided with oil drain circuit channel, the oil drain circuit channel is connected with the oil drain port of the plunger pump.
[0005] As preferred, the workbench is provided with an inner recessed oil storage groove, which collects the leaked hydraulic oil during the test process and prevents environmental pollution caused by the overflow of hydraulic oil.
[0006] As preferred, the rear side of the workbench is provided with an oil pump, which is connected with the oil storage groove and the oil tank through pipelines respectively, for pumping the hydraulic oil in the oil storage groove back to the oil tank, realizing the recycling and saving of hydraulic oil.
[0007] As preferred, the upper side of the workbench is provided with slide rails in parallel, the slide rails are provided with sliding blocks in sliding connection, the sliding blocks are connected with the tooling plate, the slide rails are fixed on the workbench and used for guiding the movement of the sliding blocks and the tooling plate.
[0008] As preferred, the slide rails are provided with limiting blocks at the front and back sides, used for limiting the movement range of the tooling plate.
[0009] As preferred, the driving device is connected with the mounting bracket through the connecting blocks arranged in parallel at the bottom of the driving device, so as to ensure the structural stability and testing accuracy of the whole testing device.
[0010] As preferred, the mounting bracket is provided with limiting supports at the top of four corners, used for fixing the oil tank and ensuring the structural stability of the oil tank.
[0011] Compared with the prior art, the utility model has the advantages of:
[0012] The simple structure, convenient operation, simplified overall structure, compact and stable connection between components, detachable design of the tooling plate and the mounting plate, and the sliding connection between the slide rails and the sliding blocks make the installation, disassembly and debugging process of the plunger pump more convenient and improve the work efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is the three-dimensional structure diagram of the utility model;
[0014] Figure 2 is the three-dimensional structure diagram of the utility model from different angles;
[0015] Figure 3 is the structure schematic view of the oil tank of the utility model;
[0016] Figure 4 is the sectional structure schematic view of the utility model.
[0017] Reference signs:
[0018] 1, mounting bracket, 2, workbench, 3, tooling plate, 4, plunger pump, 5, mounting plate, 6, driving device, 7, oil tank, 71, oil inlet channel, 72, oil return channel, 73, oil drain circuit channel, 8, overflow valve, 9, oil storage tank, 10, oil pump, 11, pipeline, 12, slide rail, 13, sliding block, 14, limiting block, 15, limiting support, 16, connecting block, 17, shaft coupling. DETAILED DESCRIPTION
[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0020] like Figures 1-4 As shown, this utility model addresses the problems of existing plunger pump testing devices, such as complex structure, cumbersome operation, low testing accuracy, and difficulty in simulating actual working conditions, by providing the following technical solution: A testing device for a plunger pump, comprising a mounting bracket 1, with a worktable 2 fixedly mounted on the front side of the mounting bracket 1; a tooling plate 3, which is movable back and forth on the upper side of the worktable 2, with a detachable mounting plate 5 for placing a plunger pump 4 on the front side of the tooling plate 3, the plunger pump 4 being connected to the mounting plate 5 by fasteners; and a driving device 6, which is located on the rear side of the tooling plate 3, the driving device 6 being connected to the worktable 2. The mounting bracket 1 is connected to the drive shaft of the plunger pump 4 via a coupling 17. An oil tank 7 is detachably mounted on the upper side of the mounting bracket 1. One end of the oil tank 7 has at least one oil inlet channel 71 connected to the oil inlet of the plunger pump 4. The other end of the oil tank 7 has a return oil channel 72 connected to the return oil port of the plunger pump 4. An overflow valve 8 is installed on the return oil channel 72. A drain circuit channel 73 is installed on the top of the oil tank 7, connected to the drain port of the plunger pump 4.
[0021] In this embodiment, as Figure 1 As shown, the workbench 2 is provided with a recessed oil storage tank 9 to collect hydraulic oil leaked during the test and prevent hydraulic oil from overflowing and causing environmental pollution.
[0022] In this embodiment, as Figure 2 As shown, an oil pump 10 is provided on the rear side of the workbench 2. The oil pump 10 is connected to the oil storage tank 9 and the oil tank 7 through pipes 11, respectively, and is used to pump the hydraulic oil in the oil storage tank 9 back to the oil tank 7 to realize the recycling and saving of hydraulic oil.
[0023] In this embodiment, as Figure 2 As shown, a slide rail 12 is arranged side by side on the upper side of the worktable 2, and a slider 13 is slidably arranged on the slide rail 12. The slider 13 is connected to the tooling plate 3. The slide rail 12 is fixed on the worktable 2 to guide the movement of the slider 13 and the tooling plate 3.
[0024] In this embodiment, as Figure 1 As shown, limit blocks 14 are provided on both the front and rear sides of the slide rail 12 to limit the movement range of the tooling plate 3.
[0025] In this embodiment, as Figure 1As shown, the driving device 6 is connected with the mounting support 1 through the connecting blocks 16 arranged side by side at the bottom of the driving device 6, so as to ensure the structural stability and test accuracy of the whole test device.
[0026] In the embodiment, as shown, Figure 1 As shown, the mounting support 1 is provided with the limiting supports 15 at the top of four corners, so as to limit the oil tank 7 and ensure the structural stability of the oil tank 7.
[0027] In the embodiment, as shown, Figure 1 As shown, the worker installs the plunger pump 4 on the tool plate 3, pushes the tool plate 3 to move backward along the slide rail 12, connects the plunger pump 4 with the driving device 6 through the shaft coupling 17, connects the oil inlet channel 71 with the oil inlet of the plunger pump 4, connects the oil return channel 72 with the oil outlet of the plunger pump 4, and connects the oil drain circuit channel 73 with the oil drain of the plunger pump 4. After the installation is completed, the plunger pump 4 can be tested. After the test is completed, the shaft coupling 17 and the pipeline connected with the plunger pump 4 are disassembled, the hydraulic oil flows into the oil tank 9 on the workbench 2, and when the hydraulic oil in the oil tank 9 is excessive, the oil pump 10 operates to pump the hydraulic oil in the oil tank 9 back to the oil tank 7.
[0028] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship and movement condition between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.
[0029] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0030] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.
[0031] In addition, the technical solutions of various embodiments of the utility model can be combined with each other, but must be based on that a person having ordinary skill in the art can realize, when the combination of technical solutions appears mutual contradiction or cannot be realized, it should be considered that the combination of such technical solutions does not exist, also not within the protection scope required by the utility model.
Claims
1. A testing apparatus for a plunger pump, characterized in that, include: Mounting bracket (1), with a workbench (2) fixedly mounted on the front side of the mounting bracket (1); Tooling plate (3) is movable back and forth on the upper side of the workbench (2). The front side of the tooling plate (3) is detachably provided with a mounting plate (5) for placing a plunger pump (4). The plunger pump (4) is connected to the mounting plate (5) by fasteners. A drive device (6) is disposed on the rear side of the tooling plate (3). The drive device (6) is connected to the mounting bracket (1). The movable end of the drive device (6) is connected to the drive shaft of the plunger pump (4) through a coupling (17). The fuel tank (7) is detachably mounted on the upper side of the mounting bracket (1); At least one oil inlet channel (71) is provided at one end of the oil tank (7), and the oil inlet channel (71) is connected to the oil inlet of the plunger pump (4). At the other end of the oil tank (7), an oil return channel (72) is provided, and the oil return channel (72) is connected to the oil return port of the plunger pump (4). An overflow valve (8) is provided on the oil return channel (72). An oil drain circuit channel (73) is provided at the top of the oil tank (7), and the oil drain circuit channel (73) is connected to the oil drain port of the plunger pump (4).
2. The test apparatus for a plunger pump according to claim 1, characterized in that: The workbench (2) is provided with a recessed oil storage tank (9).
3. The testing apparatus for a plunger pump according to claim 2, characterized in that: An oil pump (10) is provided on the rear side of the workbench (2). The oil pump (10) is connected to the oil storage tank (9) and the oil tank (7) through pipes (11).
4. The testing apparatus for a plunger pump according to claim 1, characterized in that: The workbench (2) is provided with slide rails (12) arranged side by side on the upper side, and a slider (13) is slidably arranged on the slide rails (12), and the slider (13) is connected to the tooling plate (3).
5. The testing apparatus for a plunger pump according to claim 4, characterized in that: Limiting blocks (14) are provided on both the front and rear sides of the slide rail (12).
6. The testing apparatus for a plunger pump according to claim 1, characterized in that: The drive device (6) is connected to the mounting bracket (1) via connecting blocks (16) arranged side by side at its bottom.
7. The testing apparatus for a plunger pump according to claim 1, characterized in that: Limit brackets (15) are provided at the top four corners of the mounting bracket (1).