CN113108994A - Hydraulic motor leakproofness detection device - Google Patents
Hydraulic motor leakproofness detection device Download PDFInfo
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- CN113108994A CN113108994A CN202110371150.3A CN202110371150A CN113108994A CN 113108994 A CN113108994 A CN 113108994A CN 202110371150 A CN202110371150 A CN 202110371150A CN 113108994 A CN113108994 A CN 113108994A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic motor tightness detection device, wherein a base is longitudinally provided with a workpiece conveying device, the workpiece conveying device is provided with a detection station for detecting the tightness of a hydraulic motor, the position of the detection station is kept fixed relative to the base, the sealing device comprises a transverse sealing device for sealing a side hole of the hydraulic motor and a top sealing device for sealing a through hole at the top of the hydraulic motor, the transverse sealing device, an air tightness detection device and the top sealing device are sequentially arranged in the height direction of the workpiece conveying device from top to bottom, the transverse sealing device and the air tightness detection device are used for sealing or detecting the hydraulic motor on the detection station through a moving device, and the top sealing device is used for sealing the hydraulic motor on the detection station through a longitudinal moving device. According to the invention, the position of the blocking head is adjusted by adjusting the motor up and down, so that the air tightness detection can be carried out on hydraulic motors of different models.
Description
Technical Field
The invention relates to a hydraulic motor detection device, in particular to a hydraulic motor tightness detection device.
Background
The hydraulic motor is an actuating element of a hydraulic system and converts hydraulic pressure energy provided by a hydraulic pump into mechanical energy of an output shaft of the hydraulic motor. The hydraulic motor is also called an oil motor, and is mainly applied to injection molding machinery, ships, lifting machines, engineering machinery, construction machinery, coal mine machinery, mining machinery, metallurgical machinery, ship machinery, petrochemical industry, port machinery and the like. The hydraulic motor can be divided into gear type, vane type, plunger type and other types according to the structural type. The hydraulic motor is classified into a high speed type and a low speed type according to a rated rotation speed of the hydraulic motor. The hydraulic motor with the rated rotating speed higher than 500r/min belongs to a high-speed hydraulic motor, and the hydraulic motor with the rated rotating speed lower than 500r/min belongs to a low-speed hydraulic motor. Basic types of high-speed hydraulic motors include gear type, screw type, vane type, and axial plunger type. The main characteristics of the two are high rotating speed, small moment of inertia, convenient starting and braking and high adjusting sensitivity. The high-speed hydraulic motor generally outputs a small torque and is therefore also called a high-speed low-torque hydraulic motor. The low-speed hydraulic motor is of a radial plunger type, and has a low-speed structure in an axial plunger type, a vane type and a gear type, and is mainly characterized by large displacement, large volume, low rotating speed and direct connection with a working mechanism; the transmission mechanism is greatly simplified without a speed reducing device, and the low-speed hydraulic motor is also called as a low-speed high-torque hydraulic motor because the output torque of the low-speed hydraulic motor is larger.
When the hydraulic motor is produced and assembled, the tightness of the assembled hydraulic motor needs to be detected. In the prior art, the hydraulic motor is generally manually clamped on a clamp for tightness detection. This mode is comparatively wasted time and energy, and the cost of labor is higher.
Disclosure of Invention
The invention aims to solve the problems of high cost, trouble and labor waste of manual detection of the hydraulic motor.
Provided is a hydraulic motor sealing performance detection device capable of detecting the sealing performance of an assembled hydraulic motor.
In order to achieve the purpose, the invention adopts the following technical scheme:
a hydraulic motor tightness detection device is characterized by comprising a base, an air tightness detection device and a sealing device used for sealing a through hole of a hydraulic motor, wherein the base is longitudinally provided with a workpiece conveying device, the workpiece conveying device is provided with a detection station used for detecting the tightness of the hydraulic motor, the position of the detection station is fixed relative to the base, one side of the workpiece conveying device facing outwards is provided with a plurality of workpiece positioning devices used for fixing the hydraulic motor, the sealing device comprises a transverse sealing device used for sealing a side hole of the hydraulic motor and a top sealing device used for sealing a top through hole of the hydraulic motor, the transverse sealing device, the air tightness detection device and the top sealing device are sequentially arranged in the height direction of the workpiece conveying device from top to bottom, the transverse sealing device and the air tightness detection device are used for sealing or detecting the hydraulic motor on the detection station through a moving device, and the top sealing device is used for sealing the hydraulic motor on the detection station through a longitudinal moving device.
In an embodiment, the moving device and the longitudinal moving device are both disposed on the moving frame, the moving frame includes a top plate and a guide post, the top plate is disposed on the top of the base, the top plate is fixedly connected to the base through the guide post, the guide post is separately disposed on two sides of the top plate, the top plate and the base form a longitudinal detection channel through the guide post, the workpiece conveying device is longitudinally disposed in the longitudinal detection channel, and the detection station is disposed in the longitudinal detection channel.
In one embodiment, the guide posts are arranged in groups of a first guide post group and a second guide post group, the center line of the first guide post group is parallel to the center line of the second guide post group, and the guide posts are perpendicular to the top plate and the base.
In an embodiment, the moving device includes a plurality of pairs of moving plate sets, the moving plate sets include an upper moving plate set and a lower moving plate set, the transverse sealing device is slidably connected to the guide posts through the lower moving plate set, and the air-tightness detecting device is slidably connected to the guide posts through the upper moving plate set.
In an embodiment, the lower moving plate set includes a first longitudinal moving plate and a second longitudinal moving plate, the first longitudinal moving plate is slidably connected to the first guide column set through a slider, the second longitudinal moving plate is slidably connected to the second guide column set through the slider, the first longitudinal moving plate is transversely connected to the second longitudinal moving plate through a pull rod, a first transverse moving plate and a second transverse moving plate are disposed on the pull rod between the first longitudinal moving plate and the second longitudinal moving plate, the first transverse moving plate is slidably connected to the second transverse moving plate and the pull rod, a first plug and a second plug for plugging a side hole of the hydraulic motor are disposed inside the first transverse moving plate and the second transverse moving plate, and the first plug and the second plug are transverse sealing devices.
In one embodiment, the upper moving plate set includes a third longitudinal moving plate and a fourth longitudinal moving plate, the third longitudinal moving plate is connected with the first guide column group in a sliding way through a sliding block, the fourth longitudinal moving plate is connected with the second guide column group in a sliding way through the sliding block, the third longitudinal moving plate is transversely connected with the fourth longitudinal moving plate through a pull rod, a third transverse moving plate and a fourth transverse moving plate are arranged on the pull rod between the third longitudinal moving plate and the fourth longitudinal moving plate, the third traverse plate is connected with the fourth traverse plate and the pull rod in a sliding way, the inner side of the fourth traverse plate is provided with an air vent plate, the top plate is provided with air tightness detection equipment, the vent plate is connected with the air tightness detection equipment through a guide pipe, the air tightness detection device is composed of the air tightness detection equipment and the vent plate.
In one embodiment, a first longitudinal moving cylinder is disposed between the first longitudinal moving plate and the base, a fixed end of the first longitudinal moving cylinder is fixedly connected to the base, a moving end of the first longitudinal moving cylinder is fixedly connected to the first longitudinal moving plate, a first traverse cylinder is disposed between the first traverse plate and the second traverse plate, a fixed end of the first traverse cylinder is fixedly connected to the first traverse plate, and a moving end of the first traverse cylinder is fixedly connected to the second traverse plate.
In one embodiment, a second longitudinal moving cylinder is disposed between the third longitudinal moving plate and the base, a fixed end of the second longitudinal moving cylinder is fixedly connected to the base, a moving end of the second longitudinal moving cylinder is fixedly connected to the third longitudinal moving plate, a second transverse moving cylinder is disposed between the third transverse moving plate and the fourth transverse moving plate, a fixed end of the second transverse moving cylinder is fixedly connected to the third transverse moving plate, and a moving end of the second transverse moving cylinder is fixedly connected to the fourth transverse moving plate.
In one embodiment, the fourth traverse plate is provided with a through hole for passing a guide tube.
In an implementation mode, the top cylinder of the top sealing device and the upper plugging head used for plugging the through hole in the top of the hydraulic motor are fixedly connected, the cylinder body of the top cylinder is fixedly connected with the top plate, the telescopic rod of the top cylinder extends downwards into the detection channel, and the telescopic cylinder is connected with the cylinder body and the other end of the telescopic cylinder is fixedly connected with the upper plugging head.
Compared with the prior art, the sealing performance detection device for the pressing motor has the following beneficial effects:
1. before use, a hydraulic motor is placed on a workpiece positioning device, then the workpiece positioning device with the hydraulic motor is conveyed in a detection channel in a pipeline mode through a workpiece conveying device, when the workpiece conveying device conveys the workpiece positioning device with the hydraulic motor to a detection station, the workpiece conveying device stops rotating, then a top sealing device is moved inwards and longitudinally through a longitudinal moving device to seal a top hole of the hydraulic motor on the detection station, the hydraulic motor is positioned longitudinally while sealing, then a transverse sealing device is moved inwards through a moving device to seal a side hole of the hydraulic motor on the detection station, then the hydraulic motor is detected in a sealing mode through the inward movement of an air tightness detection device to obtain an air tightness detection result, and then the transverse sealing device and the air tightness detection device are moved outwards to be separated from the hydraulic motor on the detection station, finally, the top sealing device longitudinally moves outwards to be separated from the contact with the hydraulic motor on the detection station, and after the separation of the contact, the workpiece conveying device continuously moves to convey the hydraulic motor to the next working procedure;
2. the moving device is divided into an upper moving plate group and a lower moving plate group which are used in a matched mode, a first transverse moving plate and a second transverse moving plate are synchronously arranged on the inner side of the lower moving plate group, a third transverse moving plate and a fourth transverse moving plate are synchronously arranged on the inner side of the upper moving plate group, the first transverse moving plate and the second transverse moving plate are connected with the lower moving plate group through pull rods, the third transverse moving plate and the fourth transverse moving plate are connected with the upper moving plate group through pull rods, the longitudinal movement of the transverse sealing device is achieved through a first longitudinal moving cylinder arranged between the first longitudinal moving plate and a base, the transverse movement of the transverse sealing device is achieved through a first transverse moving cylinder arranged between the first transverse moving plate and the second transverse moving plate, the longitudinal movement of the ventilation plate is achieved through a second longitudinal moving cylinder arranged between the third longitudinal moving plate and the base, and the transverse movement of the ventilation plate is achieved through a second transverse moving cylinder arranged between the third transverse moving plate and the fourth transverse moving, thereby realizing the automatic movement of the transverse sealing device and the vent plate;
3. the first longitudinal moving plate and the third longitudinal moving plate move longitudinally by taking the first guide column group as a moving path, the second longitudinal moving plate and the fourth longitudinal moving plate move longitudinally by taking the second guide column group as a moving path, the first longitudinal moving plate is connected with the second longitudinal moving plate by a pull rod to form a lower moving plate group, the third longitudinal moving plate is connected with the fourth longitudinal moving plate by a pull rod to form an upper moving plate group, therefore, the first longitudinal moving cylinder drives the second longitudinal moving plate to move synchronously when driving the first longitudinal moving plate to move longitudinally, the second longitudinal moving cylinder drives the fourth longitudinal moving plate to move synchronously when driving the third longitudinal moving plate to move longitudinally, the first guide column group and the second guide column group exist, the central connecting line of the first guide column group is parallel to the central connecting line of the second guide column group, and the guide columns are perpendicular to the top plate and the base, so that the motion process of the upper moving plate group and the lower moving plate group is more stable;
4. the first transverse moving plate and the second transverse moving plate perform transverse movement by taking a pull rod arranged between the first longitudinal moving plate and the third longitudinal moving plate as a moving path, and a first transverse moving cylinder is arranged between the first transverse moving plate and the second transverse moving plate, so that the first transverse moving plate and the second transverse moving plate can perform synchronous transverse movement by the first transverse moving cylinder, the third transverse moving plate and the fourth transverse moving plate perform transverse movement by taking the pull rod arranged between the third longitudinal moving plate and the fourth longitudinal moving plate as a moving path, and a second transverse moving cylinder is arranged between the third transverse moving plate and the fourth transverse moving plate, so that the third transverse moving plate and the fourth transverse moving plate can perform synchronous transverse movement by the second transverse moving cylinder;
5. the fourth traverse plate is provided with a through hole for connecting the guide pipe with the vent plate conveniently through the through hole, and the guide pipe is interfered when the vent plate moves;
6. wherein, the upper plugging head realizes automatic plugging of the top through hole of the hydraulic motor through the top cylinder.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
1. A base; 2. a workpiece transfer device; 3. a hydraulic motor; 4. detecting a station; 5. a workpiece positioning device; 6. a top plate; 7. a longitudinal detection channel; 8. a first guide column group; 9. a second guide column group; 10. a first longitudinal movement plate; 11. a second longitudinal movement plate; 12. a slider; 13. a pull rod; 14. a first traverse plate; 15. a second traverse plate; 16. a first plug; 17. a second plug; 18. a third longitudinal moving plate; 19. a fourth longitudinal movement plate; 20. a third traverse plate; 21. a fourth traverse plate; 22. a breather plate; 23. An air-tightness detection device; 25. a first longitudinal movement cylinder; 26. a first traverse cylinder; 27. a second longitudinal movement cylinder; 28. a second traverse cylinder; 29. a through hole; 30. a top cylinder; 31. and (6) an upper plugging head.
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic diagram of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
fig. 1 and 2 show an embodiment of a device for detecting the sealing performance of a hydraulic motor 3 according to the present invention. Please refer to fig. 1 and 2, which include a base 1, an air tightness detecting device and a sealing device for sealing a through hole 29 of a hydraulic motor 3, the base 1 is a stainless steel rack, wherein the air tightness detecting device and the sealing device are both disposed on the base 1, a workpiece conveying device 2 is longitudinally disposed on the base 1, a detecting station 4 for detecting the tightness of the hydraulic motor 3 is disposed on the workpiece conveying device 2, the position of the detecting station 4 is kept fixed relative to the base 1, a plurality of workpiece positioning devices 5 for fixing the hydraulic motor 3 are disposed on the outward side of the workpiece conveying device 2, the workpiece positioning device 5 includes a conveying plate and positioning posts disposed on the conveying plate, the conveying plate is a flat plate capable of being attached to the bottom of the hydraulic motor 3, the positioning posts are adapted to the positioning holes at the bottom of the hydraulic motor 3, when the workpiece conveying device 2 conveys the workpiece positioning device 5 with the hydraulic motor 3 to the detecting station 4 2 stop conveying to hydraulic motor 3 on detecting station 4 carries out the gas tightness and detects, sealing device is including the horizontal sealing device who is used for sealed hydraulic motor 3 side opening and the top sealing device who is used for sealed hydraulic motor 3 top through-hole 29, horizontal sealing device, gas tightness detection device and top sealing device arrange in the direction of height of work piece conveyer 2 from top to bottom in proper order, horizontal sealing device and gas tightness detection device are used for sealed or detect hydraulic motor 3 on detecting station 4 through the mobile device, top sealing device is used for sealed hydraulic motor 3 on detecting station 4 through indulging the device.
Wherein the workpiece conveying device 2 comprises a conveyor belt chain and a rotating shaft component, the conveyor belt chain is sleeved on the rotating shaft component, the rotating shaft component comprises two rotating shafts which are arranged in parallel left and right, at least one rotating shaft is connected with a stepping motor for driving the conveyor belt chain to rotate, the conveyor belt chain is formed by a plurality of conveying plates which are pinned in an endless circulation mode through pins, the outward sides of the conveying plates are respectively provided with a workpiece positioning device 5, the distance between every two adjacent workpiece positioning devices 5 is equal to the linear moving distance of the conveyor belt chain under the rotation of a single stepping motor, after the hydraulic motors 3 are sequentially placed on the workpiece positioning devices 5, as the distance between every two adjacent workpiece positioning devices 5 is equal to the linear moving distance of the conveyor belt chain under the rotation of the single stepping motor, when the time for placing the hydraulic motors 3 on the workpiece positioning devices 5 is adjusted to be consistent with the time for air tightness detection, then, the single rotation time of the stepping motor is set to be slightly longer than the time, so that the hydraulic motor 3 is placed on the workpiece positioning device 5 and the air tightness detection of the hydraulic motor 3 can be completed simultaneously after the stepping motor rotates for a single time, and uninterrupted assembly line work is formed, and the assembly line work is realized only by ensuring that the workpiece positioning device 5 with the hydraulic motor 3 appears on the detection station 4 after the stepping motor rotates for a single time in a trial run;
wherein mobile device and indulge and move the device and all set up on moving the frame, move the frame and include roof 6 and guide post, and roof 6 locates the top of base 1, and roof 6 passes through guide post and base 1 fixed connection, and roof 6 and base 1 parallel arrangement under preferred state. The guide columns are vertically arranged with the top plate 6 and the base 1, and are divided into a first guide column, a second guide column, a third guide column and a fourth guide column in an optimal state, the guide columns are arranged on two sides of the top plate 6 in a left-right mode, the first guide column and the second guide column are arranged on the left side of the top plate 6 to form a first guide column group 8, the third guide column and the fourth guide column are arranged on the right side of the top plate 6 to form a second guide column group 9, a central connecting line of the first guide column group 8 and a central connecting line of the second guide column group 9 are arranged in parallel, central connecting lines of the four guide columns in the optimal state form a rectangle, the top plate 6 and the base 1 form a longitudinal detection channel 7 through the guide columns, the workpiece conveying device 2 penetrates through the longitudinal detection channel 7, and the detection station 4 is arranged in the longitudinal detection channel 7.
The moving device comprises a plurality of pairs of moving plate groups, each moving plate group comprises an upper moving plate group and a lower moving plate group, the transverse sealing device is connected with the guide column in a sliding mode through the lower moving plate group, and the air tightness detection device is connected with the guide column in a sliding mode through the upper moving plate group.
The lower moving plate group comprises a first longitudinal moving plate 10 and a second longitudinal moving plate 11, the first longitudinal moving plate 10 is connected with a first guide column group 8 in a sliding mode through a sliding block 12, the second longitudinal moving plate 11 is connected with a second guide column group 9 in a sliding mode through a sliding block 12, the first longitudinal moving plate 10 is connected with the second longitudinal moving plate 11 in a transverse mode through a pull rod 13, a first transverse moving plate 14 and a second transverse moving plate 15 are arranged on the pull rod 13 between the first longitudinal moving plate 10 and the second longitudinal moving plate 11, the first transverse moving plate 14 is connected with the second transverse moving plate 15 and the pull rod 13 in a sliding mode, a first plug 16 and a second plug 17 used for plugging side holes of the hydraulic motor 3 are arranged on the inner sides of the first transverse moving plate 14 and the second transverse moving plate 15, and the first plug 16 and the second plug 17 are transverse sealing devices. A first longitudinal moving cylinder 25 is arranged between the first longitudinal moving plate 10 and the base 1, the fixed end of the first longitudinal moving cylinder 25 is fixedly connected with the base 1, the moving end of the first longitudinal moving cylinder 25 is fixedly connected with the first longitudinal moving plate 10, a first transverse moving cylinder 26 is arranged between the first transverse moving plate 14 and the second transverse moving plate 15, the fixed end of the first transverse moving cylinder 26 is fixedly connected with the first transverse moving plate 14, and the moving end of the first transverse moving cylinder 26 is fixedly connected with the second transverse moving plate 15.
The moving device is divided into an upper moving plate group and a lower moving plate group which are used in pair, a first transverse moving plate 14 and a second transverse moving plate 15 are synchronously arranged at the inner side of the lower moving plate group, a third transverse moving plate 20 and a fourth transverse moving plate 21 are synchronously arranged at the inner side of the upper moving plate group, the first transverse moving plate 14 and the second transverse moving plate 15 are connected with the lower moving plate group through a pull rod 13, the third transverse moving plate 20 and the fourth transverse moving plate 21 are connected with the upper moving plate group through a pull rod 13, wherein the longitudinal movement of the transverse sealing device is realized through a first longitudinal moving cylinder 25 arranged between the first longitudinal moving plate 10 and the base 1, the transverse movement of the transverse sealing device is realized through a first transverse moving cylinder 26 arranged between the first transverse moving plate 14 and the second transverse moving plate 15, the longitudinal movement of the air vent plate 22 is realized through a second longitudinal moving cylinder 27 arranged between the third longitudinal moving plate 18 and the base 1, and the transverse movement of the air vent plate 22 is realized through a second transverse moving cylinder 28 arranged between the third transverse moving plate 20 and the fourth transverse Now, an automated movement of the transverse sealing device and the aeration panel 22 is achieved thereby.
And the first vertical shifting board 10 and the third vertical shifting board 18 longitudinally move by taking the first guide post group 8 as a moving path, the second vertical shifting board 11 and the fourth vertical shifting board 11 longitudinally move by taking the second guide post group 9 as a moving path, the first vertical shifting board 10 is connected with the second vertical shifting board 11 through a pull rod 13 to form a lower moving board group, the third vertical shifting board 18 is connected with the fourth vertical shifting board 19 through a pull rod 13 to form an upper moving board group, therefore, the first vertical shifting cylinder 25 drives the second vertical shifting board 11 to synchronously move when driving the first vertical shifting board 10 to longitudinally move, the second vertical shifting cylinder 27 drives the fourth vertical shifting board 19 to synchronously move when driving the third vertical shifting board 18 to longitudinally move, and because of the existence of the first guide post group 8 and the second guide post group 9, and the central connecting line of the first guide post group 8 is arranged in parallel to the central connecting line of the second guide post group 9, and the guide posts are arranged vertically to the top board 6 and the base 1, therefore, the motion process of the upper moving plate group and the lower moving plate group is more stable.
The first traverse plate 14 and the second traverse plate 15 move transversely by using the pull rod 13 arranged between the first longitudinal plate 10 and the third longitudinal plate 18 as a moving path, and the first traverse cylinder 26 is arranged between the first traverse plate 14 and the second traverse plate 15, so that the first traverse plate 14 and the second traverse plate 15 can move synchronously and transversely by using the first traverse cylinder 26, the third traverse plate 20 and the fourth traverse plate 21 move transversely by using the pull rod 13 arranged between the third longitudinal plate 18 and the fourth longitudinal plate 19 as a moving path, and the second traverse cylinder 28 is arranged between the third traverse plate 20 and the fourth traverse plate 21, so that the third traverse plate 20 and the fourth traverse plate 21 can move synchronously and transversely by using the second traverse cylinder 28
Wherein the fourth traverse plate 21 is provided with a through hole 29 for passing the duct, so that the duct is easily connected to the air-channeled plate 22 through the through hole 29, and the duct is interfered when the air-channeled plate 22 moves.
Wherein, top sealing device top cylinder 30 and be used for the last shutoff head 31 of 3 top through-holes 29 of shutoff hydraulic motor, the cylinder body and the 6 fixed connection of roof of top cylinder 30, the telescopic link of top cylinder 30 extends downwards to the detection passageway in, the telescopic link is continuous the other end with the cylinder body and is sealed head 31 fixed connection on to go up shutoff head 31 and realize automatic shutoff to 3 top through-holes 29 of hydraulic motor through top cylinder 30.
The upper moving plate set comprises a third longitudinal moving plate 18 and a fourth longitudinal moving plate 19, the third longitudinal moving plate 18 is connected with the first guide column set 8 in a sliding mode through a sliding block 12, the fourth longitudinal moving plate 19 is connected with the second guide column set 9 in a sliding mode through a sliding block 12, the third longitudinal moving plate 18 is connected with the fourth longitudinal moving plate 19 in a transverse mode through a pull rod 13, a third transverse moving plate 20 and a fourth transverse moving plate 21 are arranged on the pull rod 13 between the third longitudinal moving plate 18 and the fourth longitudinal moving plate 19, the third transverse moving plate 20 is connected with the fourth transverse moving plate 21 and the pull rod 13 in a sliding mode, an air vent plate 22 is arranged on the inner side of the fourth transverse moving plate 21, an air tightness detection device 23 is arranged on the top plate 6, the air vent plate 22 is connected with the air tightness detection device 23 through a guide pipe, and the air tightness detection device is composed of the air tightness detection device 23 and. A second longitudinal moving cylinder 27 is arranged between the third longitudinal moving plate 18 and the base 1, the fixed end of the second longitudinal moving cylinder 27 is fixedly connected with the base 1, the moving end of the second longitudinal moving cylinder 27 is fixedly connected with the third longitudinal moving plate 18, a second transverse moving cylinder 28 is arranged between the third transverse moving plate 20 and the fourth transverse moving plate 21, the fixed end of the second transverse moving cylinder 28 is fixedly connected with the third transverse moving plate 20, and the moving end of the second transverse moving cylinder 28 is fixedly connected with the fourth transverse moving plate 21.
The specific working process of the invention is as follows:
1. before use, the hydraulic motors 3 are placed on the workpiece positioning device 5 one by one;
2. secondly, the workpiece positioning device 5 with the hydraulic motor 3 is conveyed in a production line mode in the detection channel through the workpiece conveying device 2, and the workpiece conveying device 2 stops rotating until the workpiece conveying device 2 with the hydraulic motor 3 appears on the detection station 4;
3. then, the longitudinal positions of the transverse sealing device and the air tightness detection device are adjusted up and down to the designated positions through the first longitudinal moving cylinder 25 and the second longitudinal moving cylinder 27;
4. then, the upper plugging head 31 is moved downwards through the top cylinder 30 until the upper plugging head 31 completely plugs the through hole 29 at the top of the hydraulic motor 3, and downward pressure is applied to the hydraulic motor 3 through the upper plugging head 31, so that the through hole 29 at the bottom of the hydraulic motor 3 is synchronously plugged;
5. then, the distance between the first transverse moving plate 14 and the second transverse moving plate 15 is shortened through the first transverse moving cylinder 26 until the first blocking head and the second blocking head completely block the side hole of the hydraulic motor 3; then, the distance between the third traverse plate 20 and the fourth traverse plate 21 is shortened through a second traverse cylinder 28 until the vent plate 22 is communicated with the hydraulic motor 3, and the air tightness detection device detects the air tightness of the hydraulic motor 3 and obtains a specific air tightness result;
7. finally, the first transverse moving cylinder 26 and the second transverse moving cylinder 28 are moved outwards to realize the separation and contact of the transverse sealing device and the air tightness detection device 23, the first longitudinal moving cylinder 25 and the second longitudinal moving cylinder 27 move upwards to move a longitudinal moving plate to avoid the interference of the pull rod 13 on the workpiece positioning device 5 in the process that the workpiece conveying device 2 continues rotating, the detected hydraulic motor 3 is conveyed to the next process, and the next workpiece positioning device 5 with the hydraulic motor 3 rotates to the detection station 4, so that the streamlined operation is realized.
Here, it should be noted that: the above embodiments are similar to the description of the foregoing method embodiments, and have similar beneficial effects as the method embodiments, and therefore, the detailed description is omitted. For technical details that are not disclosed in the embodiments of the present invention, please refer to the description of the embodiments of the method of the present invention for understanding, and therefore, for brevity, will not be described again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a plurality of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110371150.3A CN113108994A (en) | 2021-04-07 | 2021-04-07 | Hydraulic motor leakproofness detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110371150.3A CN113108994A (en) | 2021-04-07 | 2021-04-07 | Hydraulic motor leakproofness detection device |
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| CN113108994A true CN113108994A (en) | 2021-07-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674498A (en) * | 2022-05-13 | 2022-06-28 | 东莞市冠佳电子设备有限公司 | A water channel and cavity air tightness testing mechanism |
| CN114955471A (en) * | 2022-05-20 | 2022-08-30 | 东莞市冠佳电子设备有限公司 | Automatic test equipment for air tightness of water channel and cavity |
| CN116728309A (en) * | 2023-05-24 | 2023-09-12 | 镇江市博驰汽车配件有限公司 | Hydraulic motor tightness detection mechanism |
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| CN114674498A (en) * | 2022-05-13 | 2022-06-28 | 东莞市冠佳电子设备有限公司 | A water channel and cavity air tightness testing mechanism |
| CN114955471A (en) * | 2022-05-20 | 2022-08-30 | 东莞市冠佳电子设备有限公司 | Automatic test equipment for air tightness of water channel and cavity |
| CN116728309A (en) * | 2023-05-24 | 2023-09-12 | 镇江市博驰汽车配件有限公司 | Hydraulic motor tightness detection mechanism |
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