CN113417844B - Automatic clamping pump test bench - Google Patents
Automatic clamping pump test bench Download PDFInfo
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- CN113417844B CN113417844B CN202110700832.4A CN202110700832A CN113417844B CN 113417844 B CN113417844 B CN 113417844B CN 202110700832 A CN202110700832 A CN 202110700832A CN 113417844 B CN113417844 B CN 113417844B
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- pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an automatic clamping pump test bench which mainly comprises a motor, a torque and rotation speed sensor and a pump support assembly, wherein the motor is arranged on the right side of a T-shaped groove platform, the torque and rotation speed sensor is arranged in the middle of the T-shaped groove platform, the motor is connected with the torque and rotation speed sensor through a motor end coupler, a dynamometer support is fixed on the T-shaped groove platform through bolts, the pump support assembly is connected with the torque and rotation speed sensor through a pump end coupler, the pump support assembly mainly comprises a pump support base, a spigot ring, a pump connecting disc, a tested pump support, a clamping cylinder assembly, a pushing cylinder assembly and a disc brake, when the power of a pump is tested, the power of the motor is the input power of the pump, the motor rotates to drive the pump to rotate, the torque and the rotation speed of the pump are tested through the torque and rotation speed sensor, and the output power of the pump is equal to the product of the torque and the rotation speed. The invention does not need to replace the measured pump bracket, accelerates the alignment of the measured pump main shaft and the pump end coupler and improves the installation efficiency.
Description
Technical Field
The invention belongs to the technical field of machinery, and particularly relates to an automatic clamping pump test bench.
Background
In the torque measuring process, the pump and the pump end coupler are centered and connected, the diameter of the rotating shaft of the pump is small, and most of pumps are heavy, so that difficulty is brought to the assembly of the pump and the pump end coupler, for example, a common hydraulic pump is difficult to ensure the positioning precision when the pump and the coupler are centered and installed by a forklift, therefore, a large amount of manpower and material resources can be consumed in the assembly process, and the installation efficiency is reduced.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects in the prior art, and provides the automatic clamping pump test bench which does not need to replace a tested pump bracket, saves the cost, accelerates the centering of a tested pump main shaft and a pump end coupler, and improves the installation efficiency.
The technical scheme is as follows: in order to solve the technical problem, the automatic clamping pump test bench comprises a T-shaped groove platform, wherein a motor is connected to one side of the T-shaped groove platform, a pump support assembly is connected to the other side of the T-shaped groove platform, a torque and rotation speed sensor is arranged between the motor and the pump support assembly, one end of the torque and rotation speed sensor is connected with a motor end coupler, the other end of the torque and rotation speed sensor is connected with a pump end coupler, and the torque and rotation speed sensor is arranged on the T-shaped groove platform through a dynamometer support;
the pump bracket assembly comprises a pump bracket base arranged on a T-shaped groove platform, two parallel guide rails are arranged on the pump bracket base, a slider stop block is respectively arranged in front of and behind each guide rail, a tested pump bracket is arranged on each guide rail, a slider is arranged between each guide rail and the tested pump bracket, the slider is matched and connected with the guide rails, each tested pump bracket comprises a horizontal connecting surface and a vertical mounting surface, a round hole I is arranged on each vertical mounting surface, a circle of flange I is arranged on the outer edge of one side of each round hole I, two column guide pin through holes are arranged at the upper part of each flange I, four clamping cylinder assemblies are uniformly arranged on the vertical mounting surface outward of each flange I, a pump connecting disc is connected with the tested pump bracket through two column guide pins welded with the pump connecting disc, the column guide pins are inserted into the column guide pin through holes, and the pump connecting disc is clamped on the vertical mounting surface by cylinder claws of the clamping cylinder assemblies, the improved pump support is characterized in that a round hole II is formed in the pump connecting disc, four waist-shaped through holes are uniformly formed in the pump connecting disc outward of the round hole II, a through hole is formed beside each waist-shaped through hole, a flange II is arranged on the pump connecting disc outward of each waist-shaped through hole, a pushing cylinder assembly is arranged on the pump support base below the tested pump support, the telescopic end of each pushing cylinder assembly is connected with the bottom of the horizontal connecting surface, disc brakes are respectively arranged on two sides of the horizontal connecting surface, and the disc brakes are connected with the pump support base through disc brake cushion blocks.
Furthermore, the tested pump is connected with the pump connecting disc through the stop ring, and the central axis of the main shaft of the tested pump is coincided with the central axis of the pump end coupling.
Further, the outer cylindrical surface of the stop ring is connected with a circular hole II of the pump connecting disc.
Further, during testing, the motor rotates to drive the tested pump to rotate, and the output power of the tested pump is measured by the torque and rotation speed sensor.
Further, during testing, the clamping cylinder assembly is inflated, the pump connecting disc is clamped by the cylinder claw of the clamping cylinder assembly, then the pushing cylinder assembly starts to be inflated, the pushing cylinder pushes the tested pump to the motor end, and finally the bottom of the tested pump support is clamped by the disc brake.
Furthermore, the waist-shaped through hole and the through hole on the pump connecting disc are used for connecting different types of pumps to be tested.
Furthermore, the pump bracket assembly is arranged at the left end of the pump test bed, four screw holes are distributed on a pump bracket base, and the pump bracket base is fixed on the T-shaped groove platform through a hexagon bolt, a hexagon nut and a spring gasket; the guide rails are symmetrically distributed on the left side and the right side of the main shaft, the guide rails are fixed on the pump bracket base through bolts, and a slide block stop block is respectively arranged in front of and behind each guide rail and fixed on the guide rails through screws; the spigot ring is directly sleeved on the spigot of the pump, the outer cylindrical surface of the spigot ring is connected with the circular hole II of the pump connecting disc, and when the spigot sizes of the pumps are different, only the spigot ring needs to be replaced, and the tested pump bracket does not need to be replaced; the pump connecting disc is connected with a tested pump bracket, two column guide pins are welded on the connecting disc of the pump, and the column guide pins are arranged on the upper part of one side of the pump connecting disc and symmetrically distributed on two sides of a main shaft of the pump connecting disc; the pump connecting disc is positioned in the circle center, a circle of flange II is arranged on the pump connecting disc, four waist-shaped through holes are uniformly distributed in the flange II along a circular hole II of the pump connecting disc, and each waist-shaped through hole is adjacently provided with one through hole; two groups of screw holes are symmetrically distributed at the bottom of the tested pump bracket about the main shaft, each group of screw holes is provided with two rows, each row of screw holes is provided with four screw holes, a bolt is screwed in, the tested pump bracket is connected with a slide block, the tested pump bracket is placed on a guide rail, the slide block is directly contacted with the guide rail, and the tested pump bracket can move back and forth along the direction of the guide rail; the pump bracket to be tested is provided with two column guide pin through holes, when the pump bracket to be tested is installed, the column guide pins of the pump connecting disc are installed in the two column guide pin through holes and are positioned by the circle center, a circle of flange I is arranged on the edge of the round hole I of the pump bracket to be tested, four clamping cylinder assemblies are uniformly distributed on the periphery of the flange I, the pump bracket to be tested is provided with four groups of bolt holes, each group consists of four screw holes, the clamping cylinder assemblies are fixed on the pump bracket to be tested by bolts, and when the clamping cylinder assemblies are inflated during power measurement, cylinder claws of the clamping cylinder assemblies push and clamp the pump bracket to be tested towards the direction of a motor; the pushing air cylinder assembly is arranged right below the main shaft, is parallel to the main shaft and is fixed on the bracket base by a screw, after the clamping air cylinder finishes the actions of pushing and clamping, the pushing air cylinder assembly starts to inflate, the pushing air cylinder provides a traction force for the tested pump bracket, and the tested pump bracket slides to the end of the motor along the direction of the main shaft; the two disc brake assemblies are symmetrically arranged on two sides of the main shaft and fixed on the pump bracket base by screws, and after the pushing cylinder finishes pushing action, the disc brake assemblies start to inflate, and the disc brakes clamp and fix the tested pump bracket; the process of inflation during installation is carried out, during disassembly, the disc brake is inflated reversely firstly, the disc brake is released, then the pushing cylinder is inflated reversely, the tested pump support slides along the guide rail in the reverse direction of the motor, finally, the four clamping cylinders are inflated reversely respectively, and the clamping cylinders and clamping jaws release the tested pump support.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages:
1. the spigot of the pump is not in a uniform standard, and a spigot ring is adopted, so that a tested pump bracket does not need to be replaced, the cost is saved, and the mounting efficiency is improved;
2. when the pump is installed, the pump connecting disc is firstly placed in the through hole of the column guide pin, the clamping cylinder is inflated, the pushing cylinder is inflated, and the disc brake is inflated, so that the installation of the pump to be tested is realized, the direct installation is realized, the centering of the main shaft of the pump to be tested and the coupling at the pump end is accelerated, and the installation efficiency of the pump to be tested is greatly improved;
3. the part of the tested pump bracket adopts air pressure transmission, the structure of an air pressure element is simple, the processing and the manufacturing are convenient, the air is inexhaustible, the air pressure transmission is convenient to use and treat, the air pressure transmission working medium is clean, and the problems of medium deterioration, medium replacement and the like do not exist.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the pump bracket assembly and pump under test of the present invention;
FIG. 3 is a side view of the pump bracket assembly and pump under test of the present invention;
FIG. 4 is a top view of the pump bracket assembly and pump under test of the present invention;
FIG. 5 is a schematic perspective view of a pump stand under test according to the present invention;
fig. 6 is a perspective view of the pump connecting plate of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the automatic clamping pump test bench according to the present invention includes a motor 2, a torque and rotation speed sensor 3, a motor end coupling 4, a pump end coupling 5, a pump bracket assembly, and the like.
The pump support base 7 is fixed on the T-shaped groove platform 1 through four bolts, the torque and rotation speed sensor 3 is fixed on the dynamometer support 6, and the dynamometer support 6 is fixed on the T-shaped groove platform 1 through four bolts.
The left end and the right end of the torque and rotation speed sensor 3 are respectively matched with a motor end coupler 4 and a pump end coupler 5, the motor end coupler 4 is matched with the motor 2 and fixed by bolts, the motor 2 is fixed on a motor base by hexagonal bolts, and the motor base is fixed on the T-shaped groove platform 1 by two rows of hexagonal bolts which are symmetrically distributed with the main shaft.
The stop ring 28 is connected with the pump connecting disc 18, the column guide pin 19 on the pump connecting disc 18 is matched with the column guide pin through hole 16 on the tested pump support 10, two through holes on the pump connecting disc 18 can be used for connecting tested pumps 27 of different models, when the central axis of the main shaft of the tested pump 27 is coincident with the central axis of the pump end coupler 5, the clamping cylinder clamps the pump connecting disc 18, then the pushing cylinder pushes the tested pump 27 to the motor end, and finally the disc brake 25 clamps the bottom of the tested pump support 10.
The tested pump bracket 10 is fixed on a slide block 11, and the slide block 11 is arranged on the guide rail 8.
Two guide rails 8 are symmetrically distributed on two sides of the main shaft and fixed on the pump bracket base 7 through bolts, and a slide block stop dog 9 is respectively fixed at the head end and the tail end of each guide rail 8.
The tested pump bracket 10 comprises a horizontal connecting surface 12 and a vertical mounting surface 13, a round hole I14 is arranged on the vertical mounting surface 13, a circle of flange I15 is arranged on the outer edge of one side of the round hole I14, two column guide pin through holes 16 are arranged on the upper portion of the flange I15, a round hole II 20 is arranged on the pump connecting disc 18, four waist-shaped through holes 21 are uniformly arranged on the pump connecting disc 18 outwards from the round hole II 20, a through hole 22 is arranged beside each waist-shaped through hole 21, a flange II 23 is arranged on the pump connecting disc 18 outwards from each waist-shaped through hole 21, a pushing cylinder assembly 24 is arranged on the pump bracket base 7 below the tested pump bracket 10, the telescopic end of the pushing cylinder assembly 24 is connected with the bottom of the horizontal connecting surface 12, the pump connecting disc 18 is connected with the tested pump bracket 10 through two column guide pins 19 welded with the pump connecting disc 18, the column guide pins 19 are inserted into the column guide pin through holes 16, the pump hitch plate 18 is clamped against the vertical mounting surface 13 by the cylinder jaws of the clamping cylinder assembly 17.
The invention adopts the spigot ring, does not need to replace the tested pump bracket, saves the cost and improves the installation efficiency; when the pump is installed, the pump connecting disc is firstly placed in the through hole of the column guide pin, the clamping cylinder is inflated, the pushing cylinder is inflated, and the disc brake is inflated, so that the installation of the pump to be tested is realized, the direct installation is realized, the centering of the main shaft of the pump to be tested and the coupling at the pump end is accelerated, and the installation efficiency of the pump to be tested is greatly improved; the part of the tested pump bracket adopts air pressure transmission, the structure of an air pressure element is simple, the processing and the manufacturing are convenient, the air is inexhaustible, the air pressure transmission is convenient to use and treat, the air pressure transmission working medium is clean, and the problems of medium deterioration, medium replacement and the like do not exist.
The present invention provides a thought and a method, and a method and a way for implementing the technical scheme are many, the above is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and the improvements and modifications should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.
Claims (3)
1. The utility model provides an automatic press from both sides tight pump testboard which characterized in that: the device comprises a T-shaped groove platform (1), wherein a motor (2) is connected to one side of the T-shaped groove platform (1), a pump bracket assembly is connected to the other side of the T-shaped groove platform (1), a torque and rotating speed sensor (3) is arranged between the motor (2) and the pump bracket assembly, one end of the torque and rotating speed sensor (3) is connected with a motor end coupler (4), the other end of the torque and rotating speed sensor is connected with a pump end coupler (5), and the torque and rotating speed sensor (3) is arranged on the T-shaped groove platform (1) through a dynamometer bracket (6);
the pump bracket assembly comprises a pump bracket base (7) arranged on a T-shaped groove platform (1), two parallel guide rails (8) are arranged on the pump bracket base (7), a slide block stop block (9) is respectively arranged in front of and behind each guide rail (8), a tested pump bracket (10) is arranged on each guide rail (8), a slide block (11) is arranged between each guide rail (8) and the tested pump bracket (10), the slide block (11) is connected with the guide rails (8) in a matched manner, the tested pump bracket (10) comprises a horizontal connecting surface (12) and a vertical mounting surface (13), a round hole I (14) is arranged on the vertical mounting surface (13), a circle of flange I (15) is arranged outside one side of the round hole I (14), two column guide pin through holes (16) are arranged on the upper portion of the flange I (15), and four clamping cylinder assemblies (17) are uniformly arranged on the vertical mounting surface (13) outside the flange I (15), the pump connecting disc (18) is connected with a tested pump bracket (10) through two column guide pins (19) welded with the pump connecting disc, the column guide pins (19) are inserted into column guide pin through holes (16), the pump connecting disc (18) is clamped on a vertical mounting surface (13) by cylinder claws of a clamping cylinder assembly (17), a round hole II (20) is arranged on the pump connecting disc (18), four waist-shaped through holes (21) are uniformly arranged on the pump connecting disc (18) outside the round hole II (20), a through hole (22) is arranged beside each waist-shaped through hole (21), a flange II (23) is arranged on the pump connecting disc (18) outside the waist-shaped through hole (21), a pushing cylinder assembly (24) is arranged on a pump bracket base (7) below the tested pump bracket (10), and the telescopic end of the pushing cylinder assembly (24) is connected with the bottom of a horizontal connecting surface (12), the disc brake (25) is respectively arranged on two sides of the horizontal connecting surface (12), the disc brake (25) is connected with the pump support base (7) through a disc brake cushion block (26), the pump (27) to be tested is connected with the pump connecting disc (18) through a stop ring (28), the central axis of the main shaft of the pump (27) to be tested is coincided with the central axis of the pump end coupling (5), the outer cylindrical surface of the stop ring (28) is connected with the round hole II (20) of the pump connecting disc (18), and the kidney-shaped through hole (21) and the through hole (22) in the pump connecting disc (18) are used for connecting the pumps (27) to be tested with different models.
2. The automated clamping pump test stand of claim 1, wherein: during testing, the motor (2) rotates to drive the tested pump (27) to rotate, and the output power of the tested pump (27) is measured by the torque and rotation speed sensor (3).
3. The automated clamping pump test stand of claim 1, wherein: during testing, the clamping cylinder assembly (17) is inflated, the cylinder claw of the clamping cylinder assembly (17) clamps the pump connecting disc (18), then the pushing cylinder assembly (24) is inflated, the pushing cylinder pushes the tested pump (27) to the motor end, and finally the disc brake (25) clamps the bottom of the tested pump bracket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110700832.4A CN113417844B (en) | 2021-06-24 | 2021-06-24 | Automatic clamping pump test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110700832.4A CN113417844B (en) | 2021-06-24 | 2021-06-24 | Automatic clamping pump test bench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113417844A CN113417844A (en) | 2021-09-21 |
| CN113417844B true CN113417844B (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110700832.4A Active CN113417844B (en) | 2021-06-24 | 2021-06-24 | Automatic clamping pump test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113417844B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968985A (en) * | 2014-05-22 | 2014-08-06 | 深圳万讯自控股份有限公司 | Alternating-current dynamometer |
| CN105181329A (en) * | 2015-10-13 | 2015-12-23 | 西安交通大学 | Comprehensive test platform for industrial robot joint reducer |
| CN206409371U (en) * | 2016-12-27 | 2017-08-15 | 西安达刚路面机械股份有限公司 | A kind of erecting device for being used to test hydraulic pump |
| CN207349056U (en) * | 2017-10-25 | 2018-05-11 | 广州禹拓测控技术有限公司 | A kind of automatic clamping device for hydraulic pump test |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10947968B2 (en) * | 2018-06-15 | 2021-03-16 | Itt Manufacturing Enterprises Llc | Smart pump for remotely sending realtime data to a smart device |
-
2021
- 2021-06-24 CN CN202110700832.4A patent/CN113417844B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968985A (en) * | 2014-05-22 | 2014-08-06 | 深圳万讯自控股份有限公司 | Alternating-current dynamometer |
| CN105181329A (en) * | 2015-10-13 | 2015-12-23 | 西安交通大学 | Comprehensive test platform for industrial robot joint reducer |
| CN206409371U (en) * | 2016-12-27 | 2017-08-15 | 西安达刚路面机械股份有限公司 | A kind of erecting device for being used to test hydraulic pump |
| CN207349056U (en) * | 2017-10-25 | 2018-05-11 | 广州禹拓测控技术有限公司 | A kind of automatic clamping device for hydraulic pump test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113417844A (en) | 2021-09-21 |
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