CN109211164B - Automatic detection tool for push rod push-out length of power cylinder - Google Patents
Automatic detection tool for push rod push-out length of power cylinder Download PDFInfo
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- CN109211164B CN109211164B CN201811126387.XA CN201811126387A CN109211164B CN 109211164 B CN109211164 B CN 109211164B CN 201811126387 A CN201811126387 A CN 201811126387A CN 109211164 B CN109211164 B CN 109211164B
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- cylinder
- push rod
- guide rod
- positioning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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Abstract
The utility model provides an automatic detection tool for push rod push-out length of a power-assisted cylinder, which comprises a first cylinder, a plug, a positioning block, a guide rod, a second cylinder, an air inlet connector and a displacement sensor, wherein the first cylinder is connected with the plug, the positioning block is connected with the guide rod and the displacement sensor, a magnet is arranged at the other end of the guide rod, and the second cylinder is connected with the air inlet connector. The utility model can effectively detect the push-out length of the push rod of the booster cylinder, control the quality of products, improve the consistency of the products and effectively improve the assembly efficiency of the connection of the post booster cylinder assembly.
Description
Technical Field
The utility model relates to the field of automobile part detection, in particular to an automatic detection tool for push rod push-out length of a power cylinder.
Background
With the rapid development of the automobile industry, the requirements of a host factory on automobile parts are also higher and higher. The exhaust valve is a main part for discharging exhaust gas of a commercial vehicle, and the booster cylinder is a main functional part for enabling the exhaust valve to work normally, so that the performance of the booster cylinder plays a key role in the exhaust gas function of the whole vehicle. It is important to detect the performance of the cylinder before it is assembled and used. Conventionally, detection of a cylinder has been focused mainly on detecting tightness and flexibility of operation, and detection of performance in other aspects has been rare.
The utility model patent with the authority of CN205300484U discloses a clutch booster cylinder coaxiality inspection device, which comprises a bracket arranged on a pump body of a clutch booster cylinder to be inspected, wherein a dial with an adjustable position relative to the bracket is arranged on the bracket, the device also comprises an elastic element clamping ring which is matched with the dial and can be sleeved on a push rod of the clutch booster cylinder to be inspected, and an indicating device corresponding to the dial is arranged on the elastic element clamping ring.
The consistency of the push-out length of the push rod of the power-assisted cylinder can ensure the assembly efficiency of the connection of the power-assisted cylinder assembly, but the effective detection means and the device of the push-out length of the push rod of the power-assisted cylinder are disclosed in the prior art.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an automatic detection tool for the push-out length of a push rod of a power-assisted cylinder, which can effectively detect the push-out length of the push rod of the power-assisted cylinder, control the quality of products, improve the consistency of the products and effectively improve the assembly efficiency of the connection of a later power-assisted cylinder assembly.
The utility model provides a helping hand jar push rod release length automated inspection frock, includes cylinder one, top, locating piece, guide arm, cylinder two, air inlet joint and displacement sensor, cylinder one 1 with the top is connected, the locating piece with the guide arm displacement sensor is connected, magnet is installed to the guide arm other end, cylinder two with air inlet joint is connected.
Preferably, the plug is fixedly connected with the push rod of the first cylinder.
In any of the above aspects, preferably, the first cylinder is fixedly supported by a cylinder positioning plate, and the cylinder positioning plate is fixedly mounted on the bottom plate.
In any of the above embodiments, it is preferable that the sensor connection plate is mounted on the cylinder positioning plate.
In any of the above aspects, preferably, the displacement sensor is mounted on the sensor connection board.
In any of the above schemes, preferably, the positioning block is provided with a groove, and one end of the guide rod is installed in the groove.
In any of the above embodiments, preferably, an insulating layer is provided at a portion of the guide rod connected to the positioning device.
In any of the above embodiments, preferably, a portion of the guide rod protruding from the positioning block passes through the stop collar.
In any of the above schemes, preferably, a magnet is installed in one end of the guide rod protruding from the limit sleeve.
In any of the above schemes, preferably, the stop collar is connected with the positioning block.
In any of the above aspects, preferably, a sensor connection block is connected to the positioning block.
In any of the above embodiments, preferably, the sensor connection block is connected to the displacement sensor.
In any of the above embodiments, it is preferable that a linear guide is fixedly installed on a lower bottom plate of the cylinder in a push rod advancing direction.
In any of the above aspects, it is preferable that a slider is attached to the linear guide, and the positioning block is fixed to the slider.
In any of the above schemes, the second cylinder is preferably fixedly connected with the adjusting seat through a threaded sleeve.
In any of the above schemes, the adjusting seat is preferably mounted on the upper portion of the second clamping seat of the U-shaped groove structure.
In any of the above embodiments, preferably, a lower portion of the second card seat is fixed on the bottom plate.
In any of the above embodiments, the second cylinder is preferably connected to the air intake joint after passing through the threaded sleeve.
In any of the above embodiments, a positioning pin is preferably mounted in front of the air intake joint.
Preferably, in any of the above aspects, the positioning pin is fixed to the base plate by a positioning sleeve.
In any of the above embodiments, a first clamping seat is preferably mounted on the bottom plate between the positioning sleeve and the linear guide rail.
In any of the above schemes, preferably, the first clamping seat is connected with the positioning seat in a form of a U-shaped groove.
In any of the above embodiments, it is preferable that the cylinder positioning plate, the linear guide rail, the first clamping seat and the positioning sleeve are mounted on a straight line.
In any of the above embodiments, the first cylinder and the second cylinder are preferably aluminum alloy mini cylinders.
In any of the above-mentioned schemes, it is preferable that the sensor connecting plate, the cylinder positioning plate, the positioning block, the guide rod, the sensor connecting block, the first clamping seat, the second clamping seat, the threaded sleeve, the adjusting seat, the bottom plate and the positioning pin are made of carbon steel materials.
In any of the above embodiments, the plug, the insulating layer, the positioning seat, and the positioning sleeve are preferably made of nylon materials.
In any of the above embodiments, the air intake joint is preferably made of brass.
In any of the above embodiments, it is preferable that the first cylinder, the displacement sensor, the magnet, the linear guide, and the cylinder be externally purchased.
In any of the above embodiments, the nut and the screw are preferably standard components, which are externally available.
The automatic detection tool for the push rod push-out length of the booster cylinder can detect the push rod push-out length of the booster cylinder and the tightness of the booster cylinder at the same time, control the quality of products, improve the consistency of the products and effectively improve the assembly efficiency of the connection of the post-stage booster cylinder assembly.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of an automatic push-out length detection tool for a push rod of a power cylinder according to the present utility model.
Fig. 2 is a front view of the embodiment shown in fig. 1 of the automatic push-out length detection tool for the push rod of the power cylinder according to the present utility model.
Fig. 3 is a top view of the embodiment shown in fig. 1 of the automatic push-out length detection tool for the push rod of the power cylinder according to the present utility model.
Fig. 4 is a schematic diagram of a detection table of the embodiment shown in fig. 1 of the automatic detection tool for push-out length of a push rod of a power cylinder according to the present utility model.
Fig. 5 is a diagram showing an initial state of detection of the embodiment shown in fig. 1 of the automatic detection tool for push-out length of a push rod of a power cylinder according to the present utility model.
Fig. 6 is a state diagram of the middle process of detection of the embodiment shown in fig. 1 of the automatic detection tool for push-out length of the push rod of the power cylinder according to the present utility model.
Fig. 7 is a detection completion state diagram of the embodiment shown in fig. 1 of the automatic detection tool for push-out length of the push rod of the power cylinder according to the present utility model.
Detailed Description
For a better understanding of the present utility model, reference will now be made in detail to the present utility model, examples of which are illustrated in the accompanying drawings, wherein the examples are given for the purpose of illustration and description only, and are not intended to be limiting.
Example 1
As shown in fig. 1, 2 and 3, the tool for automatically detecting the push-out length of the push rod of the power-assisted cylinder comprises a first cylinder 1, a top head 7, a positioning block 8, a guide rod 10, a second cylinder 22, an air inlet connector 24 and a displacement sensor 2, wherein the first cylinder 1 is connected with the top head 7, the positioning block 8 is connected with the guide rod 10 and the displacement sensor 2, a magnet 13 is arranged at the other end of the guide rod 10, and the second cylinder 22 is connected with the air inlet connector 24.
The plug 7 is fixedly connected with a push rod of the first cylinder 1 through a hexagonal nut 6, the first cylinder 1 is fixedly supported by a cylinder positioning plate 4, the cylinder positioning plate 4 is fixedly installed on a bottom plate 25, and the installation position of the cylinder positioning plate 4 is close to one end of the bottom plate 25. The cylinder locating plate 4 is far away from one end of the bottom plate 25 and is provided with a sensor connecting plate 3, the sensor connecting plate 3 is arranged on the cylinder locating plate 4 through a screw 5, and the sensor connecting plate 3 is provided with the displacement sensor 2.
The positioning block 8 is provided with a groove, and one end of the guide rod 10 is arranged in the groove. An insulating layer 9 is arranged at the connecting part of the guide rod 10 and the positioning block 8. The part of the guide rod 10 protruding out of the positioning block 8 penetrates through the limiting sleeve 11, and a magnet 13 is arranged in one end of the guide rod 10 protruding out of the limiting sleeve 11. The limiting sleeve 11 is connected with the positioning block 8 through a screw. The positioning block 8 is also provided with a sensor connecting block 12, and is fixed by a screw, and the sensor connecting block 12 is connected with the displacement sensor 2. A linear guide rail 14 is fixedly mounted on a lower bottom plate 25 of the cylinder 1 in the advancing direction of the push rod, the linear guide rail 14 is fixed on the top plate through screws, a sliding block is mounted on the linear guide rail 14, the positioning block 8 is fixed on the sliding block through screws, and the sliding block can slide back and forth on the linear guide rail 14. In order to prevent the sliding block from falling off the linear guide rail 14 during the moving process, a raised screw is provided at one end of the linear guide rail 14 away from the cylinder positioning plate 4.
The second cylinder 22 is fixedly connected with the adjusting seat 23 through the threaded sleeve 21, the adjusting seat 23 is arranged on the upper portion of the second clamping seat 20 with the U-shaped groove structure, the height of the adjusting seat is adjustable, screws 18 are arranged on two sides of the second clamping seat 20, screws are arranged on the adjusting seat 23, and the position of the second cylinder 22 is fixed at the adjusted height through the screws 18 on two sides of the second clamping seat 20 and the screws on the adjusting seat 23. In order to increase the fixing effect, 4 screws are arranged on two sides of the second clamping seat 20, and two screws are arranged on each side. The lower part of the second clamping seat 20 is fixed on the bottom plate 25 through screws, and the second clamping seat 20 is installed at the other end of the bottom plate 25. The second cylinder 22 is connected with the air inlet joint 24 after passing through the threaded sleeve 21 and is locked by a nut.
A positioning pin 26 is arranged in front of the air inlet joint 24, the positioning pin 26 is fixed on the bottom plate 25 through a positioning sleeve 19, and the positioning sleeve 19 is fixedly connected with the bottom plate 25 through a screw.
A first clamping seat 16 is arranged on the bottom plate between the positioning sleeve 19 and the linear guide rail 14, and the first clamping seat 16 is fixed on the bottom plate 25 through a screw 15. The first clamping seat 16 is connected with the positioning seat 17 in a U-shaped groove mode, screws are arranged on two sides of the U-shaped groove and used for adjusting the height of the positioning seat 17 and fixing the positioning seat to the adjusted height, 4 screws are arranged on two sides of the first clamping seat 16 in order to increase the fixing effect, and two screws are arranged on each side.
The cylinder positioning plate 4, the linear guide rail 14, the first clamping seat 16 and the positioning sleeve 19 are arranged on the same straight line.
Example 2
The first cylinder 1 and the second cylinder 22 are aluminum alloy mini cylinders. The sensor connecting plate 3, the cylinder positioning plate 4, the positioning block 8, the guide rod 10, the sensor connecting block 12, the first clamping seat 16, the second clamping seat 20, the threaded sleeve 21, the adjusting seat 23, the bottom plate 25 and the positioning pin 26 are made of carbon steel materials. The plug 7, the insulating layer 9, the positioning seat 17 and the positioning sleeve 19 are made of nylon materials. The air inlet joint is made of brass materials. The magnet 13 is a strong magnet. The nut and the screw are standard components.
The automatic detection tool for the push rod push-out length of the power-assisted cylinder is common in material selection of all parts, simple to manufacture, easy and convenient to use, and easy to obtain a fault part when a certain part breaks down, and the nut or the screw can be replaced by opening the nut or the screw.
In view of the safety of preventing collision, the corners of the bottom plate 25 are designed to be arc corners or are designed to be covered with edges and corners, and the corners of the bottom plate 25 are wrapped with elastic materials, so that the anti-collision effect is achieved, and the anti-skid effect is achieved.
Example 3
The utility model discloses a test bench is provided with the test bench, including the test bench, the test bench is provided with switch, scram switch, start switch, display screen, green qualified pilot lamp, red unqualified pilot lamp, atmospheric pressure display port, the test bench still is provided with the controller, the controller with the test bench is connected to the test bench is provided with the start switch through pressing down to the test bench after the test bench is provided with the test bench, can accomplish the test to test bench and seal nature.
The emergency stop switch can realize an emergency stop function when accidents occur, the air pressure display port can display the air pressure value of the product injected into the detected power-assisted cylinder assembly, and the display screen can display a plurality of specific values in the detection process.
Example 4
As shown in fig. 5, the cylinder assembly product is fixed to the positioning seat 17 and the positioning pin 26, the push rod of the cylinder assembly product is pushed out towards the guide rod 10, the height of the positioning seat 17 is adjusted, when the sliding block slides forward, the strong magnet 13 at the top end of the guide rod 10 can adsorb the push rod of the cylinder assembly product, and the height of the positioning seat 17 is fixed by the screws at two sides of the clamping seat 16. When the height of the adjusting seat 23 is adjusted to enable the air inlet connector 24 to move forwards, the air inlet of the power-assisted cylinder assembly product can be blocked, and the position of the second cylinder 20 is fixed through screws on the two sides of the second clamping seat 20 and screws on the adjusting seat 23. The controller applies an electric current to the guide bar 10. In order to avoid the occurrence of accidents such as clamping hands in the detection process, the starting switch on the detection table is pressed down by the two hands. The cylinder one 1 is pushed out by air inlet, the push rod of the cylinder one 1 drives the hexagonal nut 6 and the top 7 to move rightwards, the positioning block 8, the insulating layer 9, the guide rod 10, the limiting sleeve 11, the sensor connecting block 12, the powerful magnet 13 and the sliding block move rightwards along the linear guide rail 14 until the powerful magnet 13 at the top end of the guide rod 10 is contacted with and adsorbed by the push rod of the booster cylinder, at the moment, the current introduced into the guide rod 10 is transferred to the positioning pin 26 through the booster cylinder body to form a current loop, the controller forms a signal by using the current loop to control the displacement sensor 2 to record the position information at the moment, and simultaneously controls the push rod of the cylinder one 1 to drive the hexagonal nut 6 and the top 7 to move leftwards to an initial position, as shown in fig. 6. The controller controls the air inlet joint 24 to move forwards and block the air inlet of the detected power-assisted cylinder under the control of the push rod of the air cylinder II 22, 800kPa air pressure is introduced into the detected power-assisted cylinder, the push rod of the detected power-assisted cylinder pushes the positioning block 8, the insulating layer 9, the guide rod 10, the limiting sleeve 11, the sensor connecting block 12, the powerful magnet 13 and the sliding block to move leftwards along the linear guide rail 14 until the push rod of the detected power-assisted cylinder is completely pushed out, the controller controls the displacement sensor 2 to record the position information at the moment, and the difference value of the two recorded positions is automatically calculated as the push rod push length of the detected power-assisted cylinder, as shown in fig. 7. The controller automatically judges whether the push rod push-out length and the sealing performance of the detected power-assisted cylinder meet the standard specifications, if so, the green qualified lamp of the detection table is lighted, and if not, the red unqualified lamp of the detection table is lighted.
Through the detection, the qualified booster cylinder is reserved, the unqualified booster cylinder is eliminated, the quality of products can be effectively controlled, the consistency of the products is improved, and the assembly efficiency of the later booster cylinder assembly connection is improved.
Example 5
In order to ensure that the push rod of the detected power-assisted cylinder assembly product can be completely pushed out in the detection process, the push rod pushable length of the first cylinder 1 is selected to be larger than the push rod pushable length of the detected power-assisted cylinder assembly product, and meanwhile, a proper distance is arranged between the guide rod 10 and the first clamping seat 16, so that the powerful magnet 13 can be contacted with the push rod of the detected power-assisted cylinder assembly product in the air inlet pushing-out process of the first cylinder 1.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; while the foregoing embodiments are illustrative of the present utility model in detail, those skilled in the art will appreciate that: the technical scheme described in the foregoing embodiments may be modified or some or all of the technical features may be replaced with equivalents, which do not depart from the scope of the technical scheme of the present utility model.
Claims (1)
1. The utility model provides a helping hand jar push rod release length automated inspection frock, includes displacement sensor, its characterized in that: the device comprises a first cylinder, a plug, a positioning block, a guide rod, a second cylinder and an air inlet connector, wherein the first cylinder is connected with the plug, the positioning block is connected with the guide rod and the displacement sensor, the other end of the guide rod is provided with a magnet, and the second cylinder is connected with the air inlet connector;
the top is fixedly connected with a push rod of the first cylinder, the first cylinder is fixedly supported by a cylinder positioning plate, the cylinder positioning plate is fixedly arranged on a bottom plate, a sensor connecting plate is arranged on the cylinder positioning plate, and the displacement sensor is arranged on the sensor connecting plate; the positioning block is provided with a groove, one end of the guide rod is arranged in the groove, an insulating layer is arranged at the connection position of the guide rod and the positioning block, the part of the guide rod protruding out of the positioning block penetrates through the limiting sleeve, a magnet is arranged in one end of the guide rod protruding out of the limiting sleeve, the limiting sleeve is connected with the positioning block, the positioning block is connected with a sensor connecting block, the sensor connecting block is connected with the displacement sensor, a linear guide rail is fixedly arranged on a bottom plate below the advancing direction of a push rod of the air cylinder, a sliding block is arranged on the linear guide rail, the sliding block can slide back and forth on the linear guide rail, and the positioning block is fixed on the sliding block;
the second cylinder is fixedly connected with the adjusting seat through a threaded sleeve, the adjusting seat is arranged on the upper part of the second clamping seat of the U-shaped groove structure, the lower part of the second clamping seat is fixed on the bottom plate, and the second cylinder passes through the threaded sleeve and is connected with the air inlet joint;
a locating pin is arranged in front of the air inlet joint and is fixed on the bottom plate through a locating sleeve;
during detection, the push rod pushing direction of the booster cylinder assembly product faces the guide rod, a controller is used for introducing current into the guide rod, the push rod of the first cylinder drives the top to move rightwards, the positioning block, the insulating layer, the guide rod, the limiting sleeve, the sensor connecting block, the magnet and the sliding block are pushed to move rightwards along the linear guide rail until the magnet at the top end of the guide rod is contacted with and adsorbed by the push rod of the booster cylinder assembly product, at the moment, the current introduced into the guide rod is transmitted to the positioning pin through the booster cylinder body to form a current loop, the controller is used for forming a signal through the current loop, the displacement sensor is controlled to record the position information at the moment, and meanwhile, the push rod of the first cylinder is controlled to drive the top to move leftwards to an initial position; the controller controls the air inlet joint to move forwards and to block the air inlet of the detected power-assisted cylinder, the controller controls the air pressure to be introduced into the detected power-assisted cylinder, the push rod of the detected power-assisted cylinder pushes the positioning block, the insulating layer, the guide rod, the limiting sleeve, the sensor connecting block, the magnet and the sliding block to move leftwards along the linear guide rail until the push rod of the detected power-assisted cylinder is completely pushed out, the controller controls the displacement sensor to record the position information at the moment, and automatically calculates the difference value of the recorded positions of the two times as the push rod push-out length of the detected power-assisted cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126387.XA CN109211164B (en) | 2018-09-26 | 2018-09-26 | Automatic detection tool for push rod push-out length of power cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126387.XA CN109211164B (en) | 2018-09-26 | 2018-09-26 | Automatic detection tool for push rod push-out length of power cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN109211164A CN109211164A (en) | 2019-01-15 |
| CN109211164B true CN109211164B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811126387.XA Active CN109211164B (en) | 2018-09-26 | 2018-09-26 | Automatic detection tool for push rod push-out length of power cylinder |
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| Country | Link |
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| CN (1) | CN109211164B (en) |
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| JPH0351738A (en) * | 1989-07-20 | 1991-03-06 | Fuji Valve Co Ltd | Engine-valve inspecting apparatus |
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| CN205300484U (en) * | 2015-12-16 | 2016-06-08 | 潍柴动力股份有限公司 | Clutch servo -cylinder axiality inspection device |
| CN206645621U (en) * | 2017-03-24 | 2017-11-17 | 广州盛原成自动化科技有限公司 | Cloth surveys long flattening device |
| CN207095531U (en) * | 2017-08-30 | 2018-03-13 | 温树宝 | A kind of brake and drive system for vehicle with tow master cylinder idle stroke detection table of car |
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| CN208751520U (en) * | 2018-09-26 | 2019-04-16 | 瑞立集团瑞安汽车零部件有限公司 | A kind of servo-cylinder push rod release automatic detecting tool of length |
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| US6666784B1 (en) * | 1999-10-06 | 2003-12-23 | Ntn Corporation | Piston rod piston detector, autotensioner and belt tension adjuster |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0351738A (en) * | 1989-07-20 | 1991-03-06 | Fuji Valve Co Ltd | Engine-valve inspecting apparatus |
| JPH08201008A (en) * | 1995-01-30 | 1996-08-09 | Nippon Cable Syst Inc | Piston position detector for cylinder |
| GB0202740D0 (en) * | 2002-02-06 | 2002-03-27 | Gentech Internat Ltd | Improvements in and relating to measuring of displacement |
| WO2011099445A1 (en) * | 2010-02-09 | 2011-08-18 | いすゞ自動車株式会社 | Sensor for detecting in-cylinder pressure |
| CN103512480A (en) * | 2012-06-26 | 2014-01-15 | 广西玉柴机器股份有限公司 | Displacement measuring device for supercharger bypass valve push rod |
| CN204453786U (en) * | 2015-03-03 | 2015-07-08 | 铜陵三佳山田科技有限公司 | Many row SOP series products Liao Guan testing agencies of a kind of low cost, high reliability |
| CN205300484U (en) * | 2015-12-16 | 2016-06-08 | 潍柴动力股份有限公司 | Clutch servo -cylinder axiality inspection device |
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| CN208751520U (en) * | 2018-09-26 | 2019-04-16 | 瑞立集团瑞安汽车零部件有限公司 | A kind of servo-cylinder push rod release automatic detecting tool of length |
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| Publication number | Publication date |
|---|---|
| CN109211164A (en) | 2019-01-15 |
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