Fixing structure for gear pump test
By designing a gear pump test fixing structure including a support table, a work table, a forward screw, a reverse screw, a threaded sleeve and a fixing block, the problem that existing equipment cannot fix gear pumps of different specifications is solved, and stable fixation and accurate testing of gear pumps are achieved.
Patent Information
- Application Number
- CN202421446519.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-24
AI Technical Summary
Existing gear pump testing equipment cannot fix gear pumps of different specifications, which may cause offset during the test and affect the test results.
A fixed structure for gear pump testing is designed, including a support table, a work table, a forward screw, a reverse screw, a threaded sleeve and a fixing block. The movement of the screw and threaded sleeve is driven by the motor to achieve the fixation of the gear pump.
The stable fixation of gear pumps of different specifications is achieved, which avoids possible deviations during the test and ensures the accuracy of the test results.
Smart Images

Figure CN222661641U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear pumps, in particular to a fixing structure for testing a gear pump. Background Art
[0002] A gear pump is a rotary pump that relies on the change and movement of the working volume formed between the pump cylinder and the meshing gears to transport liquid or increase its pressure. Two gears, a pump body, and front and rear covers form two closed spaces. When the gears rotate, the volume of the space on the gear disengagement side changes from small to large, forming a vacuum to suck in the liquid, and the volume of the space on the gear meshing side changes from large to small, squeezing the liquid into the pipeline. When testing a gear pump, the gear pump test fixture structure is required.
[0003] For example, the announcement number CN217483830U is called a gear pump test bench, which includes a test bench body, a mounting panel is arranged on the top of the test bench body, and the front end surface of the mounting panel is respectively provided with an oil pump motor loading assembly, a flow meter, a speed measuring instrument, a pressure gauge and a control box, a mounting seat is arranged at the output end of the oil pump motor loading assembly, and an oil inlet and an oil return port are respectively arranged on the front end surface of the mounting panel and on both sides close to the oil pump motor loading assembly, and a three-way joint is connected to the oil inlet through a pressure pipe.
[0004] During use, the above device cannot fix gear pumps of different specifications, which may cause deviation during the test and affect the results. Therefore, we propose a fixing structure for gear pump testing to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a fixing structure for testing a gear pump, so as to solve the problem in the background art that the gear pumps of different specifications cannot be fixed, and may deviate during the test, thus affecting the obtained results.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixed structure for testing a gear pump, a support platform, a lower end of the support platform is provided with support legs, and the support legs are connected to the support platform by welding.
[0007] Also includes:
[0008] A workbench is installed on the upper surface of a support table, a slide groove is provided on the surface of the workbench, the workbench is rotatably connected to the support table, a forward screw rod is installed inside the workbench, and the forward screw rod is movably connected to the workbench, a threaded sleeve is installed on the surface of the forward screw rod, and the threaded sleeve is movably connected to the forward screw rod, a fixed block is connected to the upper end of the threaded sleeve, and the fixed block is fixedly connected to the threaded sleeve, one end of the forward screw rod is connected to a bearing, and a reverse screw rod is provided on one side of the bearing, a third motor is installed on one side of the workbench, and the output end of the third motor is connected to the forward screw rod, a second motor is installed on the lower surface of the support table, and the second motor is fixedly connected to the support table, a connecting rod is connected between the second motor and the workbench, a second motor protection shell is installed on the outside of the second motor, and the second motor protection shell is connected to the support table by screws.
[0009] Preferably, a bottom plate is provided at the bottom of the supporting leg, and the bottom plate is fixedly connected to the supporting leg, and a cross beam is provided on the inner side of the supporting leg, and the cross beam is fixedly connected to the supporting leg.
[0010] Preferably, a first motor is installed at the lower end of the support platform, four first motors are provided, and the first motor is fixedly connected to the support platform, a first motor protection shell is installed on the outside of the first motor, and the first motor protection shell is connected to the support platform by screws.
[0011] Preferably, an electric push rod is installed on the upper end of the support platform, and four electric push rods are provided, and one end of the electric push rod is connected to the output end of the first motor, and a cross plate is provided at the top end of the electric push rod, and the cross plate is fixedly connected to the electric push rod.
[0012] Preferably, a connecting plate is provided at the upper end of the transverse plate, and the connecting plate is movably connected to the transverse plate, and bolts are provided on the surface of the connecting plate, and the bolts are connected to the connecting plate through threads.
[0013] Preferably, an oil suction assembly is provided at the upper end of the connecting plate, and the oil suction assembly is fixedly connected to the connecting plate, a connecting block is provided on the lower surface of the transverse plate, and the connecting block is fixedly connected to the transverse plate, an oil port is provided on the lower surface of the connecting block, and the oil port is fixedly connected to the connecting block, and a connecting hose is connected to the lower surface of the oil port.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model has a stable structure, reasonable design and safe use. The gear pump is placed on the workbench through the cooperation of a specially designed second motor, a workbench, a forward screw rod, a reverse screw rod, a threaded sleeve, a fixed block, a third motor and a bearing. Then the third motor drives the forward screw rod and the reverse screw rod to rotate, so that the threaded sleeves installed on the forward screw rod and the reverse screw rod move horizontally on the surfaces of the forward screw rod and the reverse screw rod, thereby driving the fixed block connected thereto to move on the surface of the workbench, thereby fixing the gear pump. Then, an external power supply is turned on, and the second motor is started to test the gear pump, thereby realizing the fixation of gear pumps of different specifications, and solving the problem that traditional equipment cannot fix gear pumps of different specifications and may deviate during the test. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0017] Figure 2 It is a front view of the overall structure of the utility model;
[0018] Figure 3 It is a top view of the overall structure of the utility model;
[0019] Figure 4 Another perspective view of the present utility model;
[0020] In the figure: 1. support table; 2. support leg; 3. bottom plate; 4. crossbeam; 5. first motor; 6. first motor protective shell; 7. electric push rod; 8. cross plate; 9. connecting plate; 10. bolt; 11. oil suction assembly; 12. connecting block; 13. oil port; 131. connecting hose; 14. workbench; 15. fixing block; 16. second motor; 17. second motor protective shell; 18. forward screw; 19. threaded sleeve; 20. reverse screw; 21. bearing; 22. slide groove; 23. third motor. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0022] See also Figure 1-4 The utility model provides an embodiment: a fixed structure for testing a gear pump, a support platform 1, a support leg 2 is arranged at the lower end of the support platform 1, and the support leg 2 is connected to the support platform 1 by welding.
[0023] Also includes:
[0024] The workbench 14 is mounted on the upper surface of the support platform 1. A slide groove 22 is provided on the surface of the workbench 14. The workbench 14 is rotatably connected to the support platform 1. A positive screw rod 18 is installed inside the workbench 14, and the positive screw rod 18 is movably connected to the workbench 14. A threaded sleeve 19 is installed on the surface of the positive screw rod 18, and the threaded sleeve 19 is movably connected to the positive screw rod 18. The upper end of the threaded sleeve 19 is connected to a fixed block 15, and the fixed block 15 is fixedly connected to the threaded sleeve 19. One end of the positive screw rod 18 A bearing 21 is connected, a reverse screw 20 is provided on one side of the bearing 21, a third motor 23 is installed on one side of the workbench 14, and the output end of the third motor 23 is connected to the forward screw 18, a second motor 16 is installed on the lower surface of the support table 1, and the second motor 16 is fixedly connected to the support table 1, a connecting rod is connected between the second motor 16 and the workbench 14, a second motor protection shell 17 is installed on the outside of the second motor 16, and the second motor protection shell 17 is connected to the support table 1 by screws.
[0025] See also Figure 2 A bottom plate 3 is provided at the bottom of the supporting leg 2, and the bottom plate 3 is fixedly connected to the supporting leg 2. A cross beam 4 is provided on the inner side of the supporting leg 2, and the cross beam 4 is fixedly connected to the supporting leg 2. When this product is in use, the cross beam 4 enables the force to be evenly distributed to various parts of the building to avoid local overload. This balanced force distribution ensures the stability of the building structure and can effectively prevent the building from being damaged due to concentrated loads.
[0026] See also Figure 2 A first motor 5 is installed at the lower end of the support platform 1. Four first motors 5 are provided and are fixedly connected to the support platform 1. A first motor protection shell 6 is installed on the outside of the first motor 5 and the first motor protection shell 6 is connected to the support platform 1 by screws. When this product is in use, the first motor 5 provides power for the electric push rod 7.
[0027] See also Figure 2 An electric push rod 7 is installed at the upper end of the support platform 1, and four electric push rods 7 are provided, and one end of the electric push rod 7 is connected to the output end of the first motor 5. A cross plate 8 is provided at the top of the electric push rod 7, and the cross plate 8 is fixedly connected to the electric push rod 7. When this product is in use, the electric push rod 7 can drive the cross plate 8 to move.
[0028] See also Figure 2 A connecting plate 9 is provided at the upper end of the horizontal plate 8, and the connecting plate 9 is movably connected to the horizontal plate 8. Bolts 10 are provided on the surface of the connecting plate 9, and the bolts 10 are connected to the connecting plate 9 by threads. When this product is in use, the connecting plate 9 and the bolts 10 can make the equipment run more stably.
[0029] See also Figure 2An oil suction assembly 11 is provided at the upper end of the connecting plate 9, and the oil suction assembly 11 is fixedly connected to the connecting plate 9, a connecting block 12 is provided on the lower surface of the transverse plate 8, and the connecting block 12 is fixedly connected to the transverse plate 8, an oil port 13 is provided on the lower surface of the connecting block 12, and the oil port 13 is fixedly connected to the connecting block 12, and a connecting hose 131 is connected to the lower surface of the oil port 13. When this product is in use, the oil port 13 is used for oil suction and delivery of the gear pump.
[0030] Working principle: When in use, first place the gear pump on the workbench 14, then connect the external power supply, start the third motor 23, so that the forward screw 18 and the reverse screw 20 rotate, and then the threaded sleeve 19 installed on the forward screw 18 and the reverse screw 20 moves horizontally on the surface of the forward screw 18 and the reverse screw 20, and then drives the fixed block 15 connected thereto to move on the surface of the workbench 14, so as to fix the gear pump, and then connect the external power supply, start the first motor 5, so that the first motor 5 provides power to the electric push rod 7, so that the electric push rod 7 moves downward, and then drives the cross plate 8 connected thereto to move downward, so that the oil port 13 at the lower end of the cross plate 8 moves downward, so that the connecting hose 131 connected to the lower surface of the oil port 13 is connected to the gear pump, so as to facilitate testing it, and then test the gear pump.
[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A fixed structure for testing a gear pump, comprising a support platform (1), wherein a support leg (2) is provided at the lower end of the support platform (1), and the support leg (2) is connected to the support platform (1) by welding; Features: Also includes: A workbench (14) is mounted on the upper surface of a support platform (1), a slide groove (22) is provided on the surface of the workbench (14), the workbench (14) is rotatably connected to the support platform (1), a forward screw rod (18) is installed inside the workbench (14), and the forward screw rod (18) is movably connected to the workbench (14), a threaded sleeve (19) is installed on the surface of the forward screw rod (18), and the threaded sleeve (19) is movably connected to the forward screw rod (18), the upper end of the threaded sleeve (19) is connected to a fixed block (15), and the fixed block (15) is fixedly connected to the threaded sleeve (19), and the forward screw rod (18) One end of the support platform (1) is connected to a bearing (21), a reverse screw (20) is arranged on one side of the bearing (21), a third motor (23) is installed on one side of the workbench (14), and the output end of the third motor (23) is connected to the forward screw (18), a second motor (16) is installed on the lower surface of the support platform (1), and the second motor (16) is fixedly connected to the support platform (1), a connecting rod is connected between the second motor (16) and the workbench (14), a second motor protection shell (17) is installed on the outside of the second motor (16), and the second motor protection shell (17) is connected to the support platform (1) by screws.
2. A gear pump testing fixing structure according to claim 1, characterized in that: A bottom plate (3) is provided at the bottom of the supporting leg (2), and the bottom plate (3) is fixedly connected to the supporting leg (2); a cross beam (4) is provided on the inner side of the supporting leg (2), and the cross beam (4) is fixedly connected to the supporting leg (2).
3. A gear pump testing fixing structure according to claim 1, characterized in that: A first motor (5) is installed at the lower end of the support platform (1), four first motors (5) are provided, and the first motors (5) are fixedly connected to the support platform (1), a first motor protection shell (6) is installed outside the first motor (5), and the first motor protection shell (6) is connected to the support platform (1) by screws.
4. A gear pump testing fixing structure according to claim 1, characterized in that: An electric push rod (7) is installed at the upper end of the support platform (1), and four electric push rods (7) are provided, and one end of the electric push rod (7) is connected to the output end of the first motor (5), and a cross plate (8) is provided at the top end of the electric push rod (7), and the cross plate (8) is fixedly connected to the electric push rod (7).
5. A gear pump testing fixing structure according to claim 4, characterized in that: A connecting plate (9) is provided at the upper end of the transverse plate (8), and the connecting plate (9) is movably connected to the transverse plate (8). Bolts (10) are provided on the surface of the connecting plate (9), and the bolts (10) are connected to the connecting plate (9) by threads.
6. A gear pump testing fixing structure according to claim 5, characterized in that: An oil suction assembly (11) is provided at the upper end of the connecting plate (9), and the oil suction assembly (11) is fixedly connected to the connecting plate (9); a connecting block (12) is provided on the lower surface of the transverse plate (8), and the connecting block (12) is fixedly connected to the transverse plate (8); an oil port (13) is provided on the lower surface of the connecting block (12), and the oil port (13) is fixedly connected to the connecting block (12); and a connecting hose (131) is connected to the lower surface of the oil port (13).
Citation Information
Patent Citations
Gear pump testboard
CN217483830U