Adjustable friction testing device for plunger pump
By designing a plunger pump adjustable friction testing device and utilizing the combination of a power unit and a clamping unit, the problem of insufficient adaptability of existing devices is solved, experiments with different friction levels can be performed on the same device, and experimental efficiency is improved.
Patent Information
- Application Number
- CN202423021323.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing friction testing devices are unable to adapt to the experimental requirements of different friction levels, which slows down the experimental progress and requires the replacement of multiple devices, resulting in a waste of time.
A plunger pump adjustable friction testing device was designed, which includes a power unit and a clamping unit. The reciprocating motion distance of the clamping unit is controlled by the adjustment socket and adjustment rod on the turntable. Combined with the design of the chuck, clamping piece and adjustment clamping piece, it is suitable for clamping plungers of different sizes and meeting the experimental requirements of different friction degrees.
It is possible to conduct experiments with different friction levels on the same device, which improves the experimental efficiency, reduces the number of device replacements, and shortens the experimental cycle.
Smart Images
Figure CN223374607U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of parts friction testing, in particular to an adjustable friction testing device for a plunger pump. Background Art
[0002] Due to the rapid development of modern industry, mechanical products are developing towards large-scale, high-speed, high-load and highly automated, and the requirements for equipment reliability, precision retention, and life extension are becoming increasingly higher. Most machinery and equipment often rely on the friction between their own parts to make relative motion to work, and the relative motion of friction will inevitably produce friction, so it is necessary to test the friction performance between parts.
[0003] However, the friction performance between the parts is not easy to test, and friction tests are often performed on friction models using friction testing devices. The friction testing devices in the existing technology are generally designed for fixed conditions and cannot be applied to friction degree experiments with different requirements. Different equipment needs to be replaced, which slows down the experimental speed.
[0004] When a friction test is required on the plunger, a single friction test device cannot meet the experimental requirements. Multiple friction test devices need to be replaced according to different experimental requirements, resulting in a waste of time and slowing down the experimental progress. Utility Model Content
[0005] In response to the shortcomings of the existing technology, the utility model provides an adjustable friction testing device for a plunger pump, which solves the problem that when a friction test on the plunger is required, a single friction testing device cannot meet the experimental requirements, and multiple friction testing devices need to be replaced according to different experimental requirements, resulting in a waste of time and slowing down the progress of the experiment.
[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a plunger pump adjustable friction testing device, comprising a fixed base, a power unit and a clamping unit, wherein the power unit is located above the fixed base, the clamping unit is connected to the front side of the power unit, and the clamping unit is located above the fixed base, the fixed base comprises a bottom plate and a fixed block, the fixed block is fixedly connected to the top of the bottom plate, and a semi-arc groove is opened on the top of the fixed block;
[0007] The power unit includes a power motor and a turntable. The output end of the power motor is fixedly plugged into the inner side of the turntable. The turntable is provided with a plurality of adjustment sockets. The adjustment sockets are provided in multiple and evenly distributed in a spiral line from the inside to the outside.
[0008] Preferably, a connecting block is further provided on the top of the base plate, and the connecting block is fixedly connected to the base plate. A fixing sleeve is fixedly provided on the top of the connecting block, and a friction test tube is inserted into the inner side of the fixing sleeve.
[0009] Preferably, the power motor is fixed in the semi-arc slot, and an adjusting rod is threadedly connected to the inner side of the adjusting socket.
[0010] Preferably, the clamping unit includes a movable connecting rod and a sample clamping rod, and connecting sleeves are provided at both ends of the movable connecting rod. The connecting sleeve at the left end of the movable connecting rod is sleeved on the outside of the adjusting rod, and a connecting clamp is provided at the left end of the sample clamping rod, and the connecting clamp is inserted into the connecting sleeve at the right end of the movable connecting rod.
[0011] Preferably, a clamp is fixedly connected to the bottom of the other end of the sample clamping rod, a clamp is provided just above the clamp, the clamp is located outside the sample clamping rod, a bolt is inserted into the clamp, and the bolt passes through and is threadedly connected to the sample clamping rod.
[0012] Preferably, the inner sides of the chuck and the clip are respectively provided with adjustment clips, the adjustment clips are clamped on the inner sides of the chuck and the clip, and the outer sides of the adjustment clips are provided with screws threadedly connected to the chuck and the clip respectively.
[0013] Preferably, a plunger is clamped inside the chuck and the clip, and the other end of the plunger is inserted into the inner side of the friction test tube.
[0014] The utility model discloses an adjustable friction testing device for a plunger pump, which has the following beneficial effects: a power unit is provided, including a turntable and an adjusting rod, the turntable is provided with adjusting holes evenly distributed in a vortex shape, the adjusting rod is threadedly connected to the adjusting hole, and the adjusting screw is replaced and inserted into the adjusting holes in different positions to realize the control of the reciprocating motion distance of the clamping unit, so that the device is adjusted to be suitable for experiments with different friction degrees; a clamping unit is provided, including a chuck, a clamp and an adjusting clamp, and the design of the adjusting clamp facilitates the clamping of plungers of different sizes, thereby increasing the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0016] Figure 1 It is a structural diagram of the utility model;
[0017] Figure 2 This is a structural diagram of the fixed base of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the power unit of the utility model;
[0019] Figure 4 This is a schematic structural diagram of the clamping unit of the utility model;
[0020] Figure 5 This is a schematic diagram of the disassembled structure of the clamping unit of the utility model.
[0021] In the figure: 1. Fixed base; 11. Bottom plate; 12. Fixed block; 121. Semi-arc groove; 13. Connecting block; 131. Fixed sleeve; 14. Friction test tube; 2. Power unit; 21. Power motor; 22. Turntable; 221. Adjusting socket; 23. Adjusting rod; 3. Clamping unit; 31. Movable connecting rod; 311. Connecting sleeve; 32. Sample clamping rod; 321. Connecting clamp; 33. Collet; 34. Clip; 341. Bolt; 35. Adjusting clip; 36. Plunger. DETAILED DESCRIPTION
[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0023] The embodiment of the present application provides an adjustable friction testing device for a plunger pump, which solves the problem that when a plunger needs to be friction tested, a single friction testing device cannot meet the experimental requirements, and multiple friction testing devices need to be replaced to meet different experimental requirements, resulting in a waste of time and slowing down the experimental progress, thereby realizing experiments that can meet different friction levels.
[0024] The embodiment of the utility model discloses an adjustable friction testing device for a plunger pump.
[0025] According to the attached Figure 1-5 As shown, it includes a fixed base 1, a power unit 2 and a clamping unit 3. The power unit 2 is located above the fixed base 1. The clamping unit 3 is connected to the front side of the power unit 2 and is located above the fixed base 1. The fixed base 1 includes a bottom plate 11 and a fixed block 12. The fixed block 12 is fixedly connected to the top of the bottom plate 11. A semi-arc groove 121 is opened on the top of the fixed block 12.
[0026] The power unit 2 includes a power motor 21 and a turntable 22. The output end of the power motor 21 is fixedly plugged into the inner side of the turntable 22. The turntable 22 is provided with a plurality of adjustment sockets 221. The adjustment sockets 221 are provided with a plurality of spiral lines evenly distributed from the inside to the outside.
[0027] A power unit 2 is provided, including a turntable 22 and an adjusting rod 23. The turntable 22 is provided with adjusting holes 221 evenly distributed in a vortex shape. The adjusting rod 23 is threadedly connected to the adjusting holes 221. The adjusting screw 23 is replaced and inserted into the adjusting holes 221 at different positions to realize the control of the reciprocating motion distance of the clamping unit 3, so as to adjust the device to be suitable for experiments with different degrees of friction; a clamping unit 3 is provided, including a chuck 33, a clip 34 and an adjusting clip 35. The design of the adjusting clip 35 facilitates the clamping of plungers 36 of different sizes, thereby increasing the applicability of the device.
[0028] Furthermore, a connecting block 13 is provided on the top of the bottom plate 11 , and the connecting block 13 is fixedly connected to the bottom plate 11 . A fixing sleeve 131 is fixedly provided on the top of the connecting block 13 , and a friction test tube 14 is inserted into the inner side of the fixing sleeve 131 .
[0029] Furthermore, the power motor 21 is fixed in the semi-arc groove 121 , and the inner side of the adjustment socket 221 is threadedly connected with an adjustment rod 23 .
[0030] It is particularly disclosed that the clamping unit 3 includes a movable connecting rod 31 and a sample clamping rod 32. Connecting sleeves 311 are provided at both ends of the movable connecting rod 31. The connecting sleeve 311 at the left end of the movable connecting rod 31 is sleeved on the outside of the adjusting rod 23. A connecting clamp 321 is provided at the left end of the sample clamping rod 32, and the connecting clamp 321 is inserted into the connecting sleeve 311 at the right end of the movable connecting rod 31.
[0031] It is particularly disclosed that a clamp 33 is fixedly connected to the bottom of the other end of the sample clamping rod 32, and a clamping piece 34 is provided just above the clamping piece 33. The clamping piece 34 is located on the outside of the sample clamping rod 32, and a bolt 341 is inserted into the clamping piece 34. The bolt 341 passes through and is threadedly connected to the sample clamping rod 32.
[0032] It should be particularly emphasized that an adjustment clip 35 is respectively provided on the inner side of the chuck 33 and the clip 34 , and the adjustment clip 35 is clamped on the inner side of the chuck 33 and the clip 34 , and a screw is provided on the outer side of the adjustment clip 35 and is threadedly connected to the chuck 33 and the clip 34 respectively.
[0033] It should be particularly emphasized that the inner sides of the chuck 33 and the clip 34 hold a plunger 36 , and the other end of the plunger 36 is inserted into the inner side of the friction test tube 14 .
[0034] Working principle: First, adjust the distance between the clamp 33 and the clip 34 to facilitate clamping the plunger 16, tighten the bolt 341 to make the clip 34 clamp the plunger 16. If it cannot be clamped, adjust the clip to fix the plunger 16;
[0035] Then, place the plunger 16 into the friction test tube 14 and determine the intensity of the friction test to be performed;
[0036] Finally, the position of the adjustment rod 23 is determined, and the adjustment rod 23 is threadedly inserted and fixed into the corresponding adjustment hole 221 to start the test.
[0037] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A plunger pump adjustable friction test device, comprising a fixed base (1), a power unit (2) and a clamping unit (3), wherein the power unit (2) is located above the fixed base (1), the clamping unit (3) is connected to the front side of the power unit (2), and the clamping unit (3) is located above the fixed base (1), characterized in that: The fixed base (1) comprises a bottom plate (11) and a fixed block (12), wherein the fixed block (12) is fixedly connected to the top of the bottom plate (11), and a semi-arc groove (121) is provided on the top of the fixed block (12); The power unit (2) comprises a power motor (21) and a turntable (22); the output end of the power motor (21) is fixedly plugged into the inner side of the turntable (22); a plurality of adjustment sockets (221) are provided on the turntable (22); and the adjustment sockets (221) are provided with a plurality of spiral lines evenly distributed from the inside to the outside.
2. The adjustable friction testing device for a plunger pump according to claim 1, characterized in that: A connecting block (13) is further provided on the top of the base plate (11), the connecting block (13) being fixedly connected to the base plate (11), a fixing sleeve (131) being fixedly provided on the top of the connecting block (13), and a friction test tube (14) being inserted into the inner side of the fixing sleeve (131).
3. The adjustable friction testing device for a plunger pump according to claim 1, characterized in that: The power motor (21) is fixed in the semi-arc groove (121), and the inner side of the adjustment socket (221) is threadedly connected with an adjustment rod (23).
4. The adjustable friction testing device for a plunger pump according to claim 1, characterized in that: The clamping unit (3) comprises a movable connecting rod (31) and a sample clamping rod (32). Connecting sleeves (311) are provided at both ends of the movable connecting rod (31). The connecting sleeve (311) at the left end of the movable connecting rod (31) is sleeved on the outside of the adjustment plug rod (23). The left end of the sample clamping rod (32) is provided with a connecting clamp (321). The connecting clamp (321) is inserted into the connecting sleeve (311) at the right end of the movable connecting rod (31).
5. The adjustable friction testing device for a plunger pump according to claim 4, characterized in that: The bottom of the other end of the sample clamping rod (32) is fixedly connected with a clamping head (33), and a clamping piece (34) is provided just above the clamping head (33). The clamping piece (34) is located outside the sample clamping rod (32), and a bolt (341) is inserted into the clamping piece (34), and the bolt (341) passes through and is threadedly connected to the sample clamping rod (32).
6. The adjustable friction testing device for a plunger pump according to claim 5, characterized in that: An adjusting clip (35) is provided on the inner side of the chuck (33) and the clip (34), respectively. The adjusting clip (35) is clamped on the inner side of the chuck (33) and the clip (34), and a screw is provided on the outer side of the adjusting clip (35) and is threadedly connected to the chuck (33) and the clip (34).
7. The adjustable friction testing device for a plunger pump according to claim 5, characterized in that: The inner sides of the clamp (33) and the clamping piece (34) hold a plunger (36), and the other end of the plunger (36) is inserted into the inner side of the friction test tube (14).