CN217761280U - Gear pump clamping device for gear pump testing system - Google Patents
Gear pump clamping device for gear pump testing system Download PDFInfo
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- CN217761280U CN217761280U CN202221462522.XU CN202221462522U CN217761280U CN 217761280 U CN217761280 U CN 217761280U CN 202221462522 U CN202221462522 U CN 202221462522U CN 217761280 U CN217761280 U CN 217761280U
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- hydraulic cylinder
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Abstract
The utility model discloses a gear pump clamping device for gear pump test system relates to gear pump test technical field. The gear pump clamping device for the gear pump testing system comprises a test board, two double-acting hydraulic cylinders, a mounting connecting plate, a bracket upper pressure plate, a bracket lower pressure plate and an oil absorption assembly; the mounting connecting plate is positioned in the center of the upper surface of the test board and is fixedly connected with the test board; the support is positioned above the test board, the two hydraulic cylinder extension rods are parallel to each other and are connected through the support, and the two hydraulic cylinder extension rods are respectively fixedly connected with the test board and positioned on two sides of the test board; the two hydraulic cylinder bodies are positioned below the test board; the oil absorption assembly is used for being fixedly connected with the tested pump and communicated with an oil outlet of the tested pump. This technical scheme can replace the mode of artifical thread tightening by the pump of being surveyed, reduces the time that the leading process of test spent by a wide margin for the output efficiency of the result of gear pump test improves, and then improves the productivity of gear pump.
Description
Technical Field
The utility model relates to a gear pump test technical field, in particular to gear pump clamping device for gear pump test system.
Background
The gear pump is a rotary pump which conveys or pressurizes liquid by means of the change and movement of working volume formed between a pump cylinder and a meshing gear, and the suction and discharge of the liquid are realized by utilizing the pressure difference formed in a sealed space in the working process. Before a gear pump is put into service, it is generally necessary to perform service tests on the gear pump.
In the related art, in the testing process of the gear pump, a tested pump is manually positioned on a testing table by a tested person through a fastening screw. Then, the user installs the oil suction pipe on the top of the gear pump, and executes the subsequent experiment process.
However, after the mounting method is used, the mounting torque of the fastening screw and the oil suction pipe joint cannot be effectively controlled by the tested pump, the whole process is labor-consuming and time-consuming, the output efficiency of the test result is low, and the capacity of the gear pump is influenced.
Disclosure of Invention
The utility model aims to overcome the not enough that exists among the prior art to a gear pump clamping device who is used for gear pump test system is provided, makes the output efficiency of the result of gear pump test improve, and then improves the productivity of gear pump.
According to the technical scheme provided by the utility model, a gear pump clamping device for a gear pump testing system is provided, and comprises a test board, two double-acting hydraulic cylinders, an installation connecting plate, a bracket upper pressing plate, a bracket lower pressing plate and an oil absorption assembly;
the mounting connecting plate is positioned in the center of the upper surface of the test board and fixedly connected with the test board, and the mounting connecting plate is used for fixedly connecting with a pump to be tested and enabling the pump to be tested to be coaxially connected with a motor of the test board;
the two double-acting hydraulic cylinders are respectively positioned on two sides of the test board and comprise hydraulic cylinder bodies and hydraulic cylinder extension rods, and the hydraulic cylinder bodies are coaxial and connected with the hydraulic cylinder extension rods;
the hydraulic cylinder body is positioned below the test board, the hydraulic cylinder extension rod extends to the upper part of the test board from the hydraulic cylinder body, and the two hydraulic cylinder extension rods are parallel to each other;
the bracket is positioned at the top of the hydraulic cylinder extension rod, the two hydraulic cylinder extension rods are connected through the bracket, and the bracket is connected with the two hydraulic cylinder extension rods through bolts;
the bracket upper pressing plate is positioned in the center above the bracket, the bracket lower pressing plate is positioned in the center below the bracket, and the bracket upper pressing plate corresponds to the bracket lower pressing plate in position;
the oil absorption assembly is located in the center of the support and penetrates through the support, and the oil absorption assembly is used for being fixedly connected with the tested pump and communicated with an oil outlet of the tested pump.
In a possible implementation manner, the center of the test platform is provided with a first through hole, and two sides of the test platform are respectively provided with a second through hole;
the mounting connecting plate is partially positioned in the first through hole and is connected with a motor of the test board through the first through hole;
the two hydraulic cylinder extension rods are respectively connected with the two hydraulic cylinder bodies through the two second through holes.
In one possible implementation mode, a hydraulic station is arranged inside the test board;
a rodless cavity oil port and a rod cavity oil port of the hydraulic cylinder body are connected with the hydraulic station;
the hydraulic station is used for providing power for the double-acting hydraulic cylinder.
In one possible implementation, the oil suction input of the oil suction assembly is concentric with the oil suction port of the pump under test.
In one possible implementation mode, the mounting flange and the first positioning pin are arranged on the mounting connecting plate;
the mounting connecting plate is used for being fixedly connected with the pump to be tested through a mounting flange and a first positioning pin.
In a possible implementation manner, the lower pressure plate is provided with two second positioning pins;
and the second positioning pin is positioned on the bottom surface of the lower pressing plate and used for determining the relative position of the oil suction assembly and the top of the pump to be tested.
In a possible implementation manner, the upper pressure plate and the lower pressure plate are fixedly connected with the bracket through screws.
In one possible implementation, the test bench is a rectangular test bench;
the two hydraulic cylinder telescopic rods are respectively positioned at the diagonal positions of the test board.
The utility model provides a beneficial effect that technical scheme brought includes at least:
the automatic clamping device is different from the traditional mode, uses hydraulic pressure as power, and through linkage among the hydraulic double-acting oil cylinder, the support, the pressing plate and the oil absorption assembly, the characteristics of stable output and large pressure of a hydraulic system are exerted, and the function that the gear pump is fixed on a test station only by using pressure without using threaded connection is realized. This technical scheme can replace the mode of artifical thread tightening by the pump of being surveyed, reduces the time that the leading process of test spent by a wide margin for the output efficiency of the result of gear pump test improves, and then improves the productivity of gear pump.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
Fig. 1 is the utility model provides a pair of a gear pump clamping device's for gear pump test system structural schematic diagram.
Fig. 2 is the utility model provides a pair of a structure schematic diagram when being used for gear pump test system's gear pump clamping device and being connected by the pump of being surveyed.
Fig. 3 is the utility model provides a pair of a gear pump clamping device for gear pump test system is connected with the pump under test and is in the structural schematic diagram when operating condition.
Fig. 4 is a schematic structural diagram of an installation connecting plate provided by the present invention.
Fig. 5 is a top view of a gear pump clamping device for a gear pump testing system according to the present invention.
The specification reference numbers indicate:
1-a test bench, 2-a hydraulic cylinder body, 3-an installation connecting plate, 4-a support upper pressure plate, 5-a support lower pressure plate, 6-an oil absorption component, 7-a tested pump, 8-a test bench motor, 9-a hydraulic cylinder extension rod, 10-a support and 11-a screw;
31-a mounting flange, 32-a first positioning pin, 33-an input oil port and 34-an output oil port.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1 shows a pair of the utility model provides a gear pump clamping device for gear pump test system's structural schematic, please refer to fig. 1, this gear pump clamping device for gear pump test system includes testboard 1, two effect hydraulic cylinders, installation fishplate bar 3, support 10, support top board 4, support holding down plate 5 and oil absorption subassembly 6. The installation fishplate bar 3 is located the central authorities of testboard 1 upper surface, and installation fishplate bar 3 and testboard 1 fixed connection, installation fishplate bar 3 are used for with 7 fixed connection of pump under test, and make pump under test 7 and testboard motor 8 coaxial coupling. The two double-acting hydraulic cylinders are respectively positioned on two sides of the test board and comprise a hydraulic cylinder body 2 and a hydraulic cylinder extension rod 9, and the hydraulic cylinder body 2 and the hydraulic cylinder extension rod 9 are coaxial and connected; the hydraulic cylinder body 2 is positioned below the test board 1, the hydraulic cylinder extension rod 9 extends out of the hydraulic cylinder body 2 to the upper part of the test board 1, and the two hydraulic cylinder extension rods 9 are parallel to each other; the support 10 is located the top of pneumatic cylinder extension bar 9, and two pneumatic cylinder extension bars 9 pass through support 10 and connect, and support 10 and two pneumatic cylinder extension bar 9 bolted connection. The support upper pressing plate 4 is located in the center above the support 10, the support lower pressing plate 5 is located in the center below the support 10, and the support upper pressing plate 4 corresponds to the support lower pressing plate 5 in position. The oil suction assembly 6 is located in the center of the support 10 and penetrates through the support 10, and the oil suction assembly 6 is used for being fixedly connected with the tested pump 7 and communicated with an oil outlet of the tested pump 7.
It should be noted that the utility model discloses a gear pump clamping device realizes being some in the middle of the gear pump test system, and in gear pump test system's working process, gear pump clamping device can realize being surveyed pump 7's fixed. Optionally, in various embodiments of the present invention, the measured pump 7 is implemented as a gear pump.
Referring to fig. 1, in the present invention, the testing platform 1 is a table top for placing the tested pump 7, and besides the tested pump 7, it is also used for bearing and connecting the support 10, the mounting plate 3 and the double-acting hydraulic cylinder, so that the tested pump 7 and the above-mentioned parts, or the above-mentioned parts are connected with each other. The utility model discloses do not do the injecing to the concrete form of testboard 1 and the inside concrete structural style of testboard 1. For example, a transmission member may be provided in the test bench 1 for assisting the movement of the double-acting hydraulic cylinder; or, the test bench 1 may be provided with a hole therein, so that a tester can observe the connection relationship between the pump 7 to be tested and the test bench motor 8. In the present novel embodiment of use, the double acting hydraulic cylinder is implemented as a double acting cylinder and comprises a cylinder extension bar 9 for supporting the bracket and a cylinder body 2 for holding still, providing power.
The utility model discloses in, installation fishplate bar 3 be with 7 fixed connection's of pump tested equipment, so installation fishplate bar 3 is located testboard 1's central point and puts to bearing the test pump, when providing locate function, with test pump and testboard motor 8 fixed connection in the experimentation, in order to provide the supporting function.
The utility model discloses in, support 10 cup joints with two pneumatic cylinder extension bars 0 respectively and is connected. The hydraulic cylinder extension rod 9 is driven by the hydraulic cylinder body 2 to reciprocate up and down, and the support 10 is influenced by the movement of the hydraulic cylinder extension rod 9 to perform driven movement. In the present invention, the bracket 10 is connected to the hydraulic cylinder extension rod 9 by bolts. The utility model discloses do not restrict the concrete connection relation of support 10 and pneumatic cylinder extension bar 9.
The embodiment of the utility model provides an in, oil absorption subassembly 6 is located the central point of support 10, and oil absorption subassembly 6 runs through support 10 to with the top of being surveyed pump 7, also be connected by the oil-out of being surveyed pump 7, carry out the oil extraction work. Optionally, the top of the oil suction assembly 6 has an oil drain pipe. Corresponding oil absorption subassembly 6, included support top board 4 and support holding down plate 5 on the support 10, support top board 4 and support holding down plate 5 cooperation are fixed oil absorption subassembly 6. Simultaneously, support holding down plate 5 is spacing to being surveyed pump 7 to make being surveyed pump 7 and oil absorption subassembly 6 realize stable the connection.
Referring to fig. 2 and 3, when the pump 7 to be tested is located on the mounting connection plate 3 and is in a detected state, the power input end of the pump 7 to be tested is coaxially connected with the power output end of the test table motor 8, and the hydraulic cylinder extension rod 9 moves downward under the driving of the corresponding hydraulic cylinder body 2 until the lower end of the oil suction assembly 6 is connected with the upper end of the pump 7 to be tested, that is, the oil outlet of the pump 7 to be tested. In this case, the state of the pump under test 7 can be tested while the pump under test 7 is fixed.
In the embodiment of the utility model provides an in, two effect pneumatic cylinders realize for two effect hydro-cylinders.
To sum up, the embodiment of the utility model provides a gear pump clamping device for gear pump test system is different with traditional mode, uses hydraulic pressure force to be power, through the linkage between hydraulic pressure double-acting cylinder, support, clamp plate, the oil absorption subassembly, and performance hydraulic system output is stable, characteristics that pressure is big, realizes not using threaded connection, only uses pressure to fix the function on the test station with the gear pump. This technical scheme can replace the mode of artifical thread tightening by the pump of being surveyed, reduces the time that the leading process of test spent by a wide margin for the output efficiency of the result of gear pump test improves, and then improves the productivity of gear pump.
In an alternative embodiment, the test bench 1 has a first through hole in the center and a second through hole on each side of the test bench 1. The installation fishplate bar 3 is partially positioned in the first through hole, and the installation fishplate bar 3 is connected with the test board motor 8 through the first through hole. The two hydraulic cylinder extension rods 9 are respectively connected with the two hydraulic cylinder bodies 2 through two second through holes.
The utility model discloses in, 1 adaptation installation fishplate bar 3 of testboard and surveyed pump 7 and need be connected with testboard motor 8, and the corresponding through-hole has been seted up to the condition of pneumatic cylinder extension bar 9 and 2 fixed connection of pneumatic cylinder body. The first through hole is used for accommodating the connecting part of the pump 7 to be tested, the mounting connecting plate 3 and the test bench motor 8; the second through hole is adapted to receive the connection between the cylinder body 2 and the cylinder extension rod 9.
In this case, the portion of the mounting tab 3 is located in the first through hole for connection to the test stand motor 8. Optionally, the output shaft of the test platform motor 8 extends into the first through hole, is fixed with the part of the mounting adapter plate 3, and is used for being connected with the tested pump 7 so as to drive the tested pump 7 to carry out the test.
Corresponding to the condition that a hydraulic cylinder extension bar 9 is connected with a hydraulic cylinder body 2, two second through holes are formed in two sides of the test board 1, and the hydraulic cylinder extension bar 9 is connected with the hydraulic cylinder body 2 in the second through holes.
The embodiment of the utility model provides an in, testboard 1 is inside to be provided with the hydraulic pressure station. The rodless cavity oil port and the rod cavity oil port of the hydraulic cylinder body 2 are connected with a hydraulic station, and the hydraulic station is used for providing power for the hydraulic cylinder body 2.
Optionally, in the embodiment of the present invention, the hydraulic station is integrated inside the test platform 1, so that the mechanism is further optimized.
In an alternative embodiment, the suction input of the suction assembly 6 is concentric with the suction opening of the pump 7 under test.
Optionally, the suction input of the suction assembly 6 is concentric with the suction inlet of the pump 7 under test, i.e. concentric with the outlet of the pump 7 under test. To ensure proper use of the oil absorption assembly 6 during testing.
In an alternative embodiment, the mounting plate 3 is provided with a mounting flange 31 and a first positioning pin 32. The mounting connecting plate 3 is used for being fixedly connected with the pump 7 to be tested through a mounting flange 31 and a first positioning pin 32.
Referring to fig. 4, in the embodiment of the present invention, two first positioning pins 32 and a mounting flange 31 are disposed on the mounting plate 3. Optionally, the mounting flange 31 is concentric with the test rig motor 8 so that the pump under test 7 corresponds in position to the test rig motor 8 when installed. During testing, the pump 7 to be tested is coaxial with the test bench motor 8.
In an alternative embodiment, the mounting connection plate 3 is further provided with an input oil port 33 and an output oil port 34, wherein the input oil port 33 is used for being connected with an output end of the pump 7 to be tested, and the output oil port 34 is used for being connected with an input end of an internal oil circuit of the test bench 1.
In an alternative embodiment, the lower pressure plate is provided with two second positioning pins; and a second positioning pin is positioned on the bottom surface of the lower pressing plate and is used for determining the relative position of the oil suction assembly 6 and the top of the pump 7 to be tested.
In the embodiment of the present invention, the relative position between the oil suction assembly 6 and the measured pump 7 is also limited by the second positioning pin located at the bottom of the lower pressing plate.
In an alternative embodiment, the upper and lower pressing plates are fixedly connected to the bracket 10 by screws 11.
Optionally, referring to fig. 1, the upper pressing plate and the lower pressing plate each include two screws 11, and the screws 11 are used to fasten the upper pressing plate and the lower pressing plate to the bracket 10.
In an alternative embodiment, the test station 1 is a rectangular test station. Two hydraulic cylinder extension bars 9 are respectively positioned at the diagonal positions of the test bench 1.
In the embodiment of the present invention, please refer to fig. 5, to look down the angle viewing device, in the position shown in the figure, one hydraulic cylinder extension rod 9 is located below the left side, and the other hydraulic cylinder extension rod 9 is located above the right side, that is, two hydraulic cylinder extension rods 9 are respectively located at the diagonal positions of the test board 1. I.e. the two double acting hydraulic cylinders are in diagonal positions of the test bench 1.
In the embodiment of the utility model, the gear pump clamping device used for the gear pump testing system has three states, corresponding to the whole process of the gear pump testing, the three processes are respectively a starting working state, a working state and an ending working state;
when the gear pump clamping device for the gear pump testing system is in a starting working state, the two hydraulic cylinder extension rods 9 drive the support 10 to pull towards the lower part of the testing platform 1 under the action of the hydraulic cylinder body 2, so that the oil absorption assembly 6 is fixedly connected with the tested pump 7 and is communicated with an oil outlet of the tested pump 7. Alternatively, the process of coaxially connecting the pump under test 7 to the test stand motor 8 may be performed before this state, or the process of coaxially connecting the pump under test 7 to the test stand motor 8 may be performed simultaneously while the clamping device is in the process of this state. That is, in this process, the device moves from the state shown in fig. 2 to the state shown in fig. 3.
When the gear pump clamping device for the gear pump testing system is in an operating state, the two double-acting hydraulic cylinders maintain pressure so that the oil suction assembly 6 is in full contact with the tested pump 7. That is, in this process, the apparatus maintains the state shown in fig. 3.
When the gear pump clamping device for the gear pump testing system is in a finished working state, the two hydraulic cylinder extension rods 9 extend out, and the driving support 10 is pulled towards the upper part of the testing platform 1, so that the oil suction assembly 6 is disconnected with the tested pump 7. That is, in this process, the device is restored from the state shown in fig. 3 to the state shown in fig. 2.
The above description is only an optional embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A gear pump clamping device for a gear pump testing system is characterized by comprising a test bench (1), two double-acting hydraulic cylinders, a mounting connecting plate (3), a support (10), a support upper pressing plate (4), a support lower pressing plate (5) and an oil absorption assembly (6);
the mounting connecting plate (3) is positioned in the center of the upper surface of the test board (1), the mounting connecting plate (3) is fixedly connected with the test board (1), and the mounting connecting plate (3) is used for being fixedly connected with a tested pump (7) and enabling the tested pump (7) to be coaxially connected with a test board motor (8);
the two double-acting hydraulic cylinders are respectively positioned on two sides of the test board (1), each double-acting hydraulic cylinder comprises a hydraulic cylinder body (2) and a hydraulic cylinder extension rod (9), and the hydraulic cylinder bodies (2) are coaxial and connected with the hydraulic cylinder extension rods (9);
the hydraulic cylinder body (2) is positioned below the test board (1), the hydraulic cylinder extension rod (9) extends from the hydraulic cylinder body (2) to the upper part of the test board (1), and the two hydraulic cylinder extension rods (9) are parallel to each other;
the support (10) is positioned at the top of the hydraulic cylinder extension rod (9), the two hydraulic cylinder extension rods (9) are connected through the support (10), and the support (10) is in bolt connection with the two hydraulic cylinder extension rods (9);
the support upper pressing plate (4) is positioned in the center above the support (10), the support lower pressing plate (5) is positioned in the center below the support (10), and the support upper pressing plate (4) corresponds to the support lower pressing plate (5) in position;
the oil absorption assembly (6) is located in the center of the support (10) and penetrates through the support (10), and the oil absorption assembly (6) is fixedly connected with the tested pump (7) and communicated with an oil outlet of the tested pump (7).
2. Gear pump clamping device for a gear pump testing system according to claim 1, characterized in that the test bench (1) has a first through hole in the center and the test bench (1) has second through holes on both sides;
the mounting connecting plate (3) is partially positioned in the first through hole, and the mounting connecting plate (3) is connected with the test bench motor (8) through the first through hole;
the two hydraulic cylinder extension rods (9) are respectively connected with the two hydraulic cylinder bodies (2) through the two second through holes.
3. Gear pump clamping device for gear pump testing system according to claim 2, characterized in that inside the test bench (1) there is provided a hydraulic station;
a rodless cavity oil port and a rod cavity oil port of the hydraulic cylinder body (2) are connected with the hydraulic station;
the hydraulic station is used for providing power for the double-acting hydraulic cylinder.
4. The gear pump clamping device for a gear pump testing system according to claim 1, wherein the oil suction input of the oil suction assembly (6) is concentric with the oil suction port of the pump under test (7).
5. Gear pump clamping device for gear pump testing system according to claim 1, characterized in that mounting flange (31) and first positioning pin (32) are provided on the mounting adapter plate (3);
the mounting connecting plate (3) is used for being fixedly connected with the pump to be tested (7) through the mounting flange (31) and the first positioning pin (32).
6. The gear pump clamping device for the gear pump testing system according to claim 1, wherein an input oil port (33) and an output oil port (34) are further arranged on the mounting connecting plate (3), wherein the input oil port (33) is used for connecting with an output end of a pump to be tested, and the output oil port (34) is used for connecting with an input end of an internal oil circuit of a testing table.
7. Gear pump clamping device for gear pump testing system according to claim 1, characterized in that the lower pressure plate (5) has two second positioning pins thereon;
the second positioning pin is positioned on the bottom surface of the lower pressure plate (5) and is used for determining the relative position of the oil suction assembly (6) and the top of the pump (7) to be tested.
8. Gear pump clamping device for a gear pump testing system according to claim 1, characterized in that the upper pressure plate (4) and the lower pressure plate (5) are fixedly connected with the bracket (10) by means of screws (11).
9. Gear pump clamping device for a gear pump testing system according to claim 1, characterized in that the test bench (1) is a rectangular test bench;
the two hydraulic cylinder extension rods (9) are respectively positioned at the diagonal positions of the test bench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221462522.XU CN217761280U (en) | 2022-06-13 | 2022-06-13 | Gear pump clamping device for gear pump testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221462522.XU CN217761280U (en) | 2022-06-13 | 2022-06-13 | Gear pump clamping device for gear pump testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217761280U true CN217761280U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221462522.XU Active CN217761280U (en) | 2022-06-13 | 2022-06-13 | Gear pump clamping device for gear pump testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217761280U (en) |
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2022
- 2022-06-13 CN CN202221462522.XU patent/CN217761280U/en active Active
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