CN101995317A - Reduction box body pressure test device and method thereof - Google Patents

Reduction box body pressure test device and method thereof Download PDF

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Publication number
CN101995317A
CN101995317A CN 201010298468 CN201010298468A CN101995317A CN 101995317 A CN101995317 A CN 101995317A CN 201010298468 CN201010298468 CN 201010298468 CN 201010298468 A CN201010298468 A CN 201010298468A CN 101995317 A CN101995317 A CN 101995317A
Authority
CN
China
Prior art keywords
base plate
seal
deceleration box
cylinder
casing
Prior art date
Application number
CN 201010298468
Other languages
Chinese (zh)
Inventor
江文斌
叶茂行
Original Assignee
杭州兴达机械有限公司
浙江理工大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 杭州兴达机械有限公司, 浙江理工大学 filed Critical 杭州兴达机械有限公司
Priority to CN 201010298468 priority Critical patent/CN101995317A/en
Publication of CN101995317A publication Critical patent/CN101995317A/en

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Abstract

The invention relates to a reduction box leakproofness test device and a method thereof, in particular to a reduction box body pressure test device and a method thereof. The invention mainly solves the technical problems that the reduction box body is not detected, holes with higher aperture can be existed after the reduction box body is subject to micropore leakage stoppage technical treatment, small holes are still existed after leakage stoppage, product quality can be seriously influenced and waste is caused in the prior art. The invention comprises a base (1), the base is provided with a water tank (2), the water tank (2) is provided with a base plate (3), the base plate is connected with a lifting device, the base is connected with a box body positioning cylinder (5) by virtue of a cylinder support (4), the mandril of the cylinder is arranged downward, the lower end of the mandril is provided with an air suction positioning block (6), the air suction positioning block is provided with a pressure air pipe (7), the interior of the air suction positioning block is provided with a channel communicated with the pressure air pipe, and the two sides of the base plate are also provided with a positioning device capable of positioning the reduction box body.

Description

Deceleration box applied voltage test device and method

Technical field

The present invention relates to a kind of proving installation and method of reducer casing leakproofness, especially relate to a kind of deceleration box applied voltage test device and method.

Background technology

Automobile, tractor etc. are the major impetus machinery of communications and transportation, farming operation, and speed reduction unit is one of critical piece of these power machines, and reducer shell is the chief component of speed reduction unit.Chinese patent discloses a kind of casting method (publication number: CN 101637803A) of hub reduction gear shell, it comprises the following steps: A. coremaking mould: the metal-cored frock that will heat is placed on the core making machine, solidify one deck molding sand at metal-cored frock 1 outer wall, thereby obtain core, and on core, have the sprue gate; B. make external mold: the betal can frock of heating is placed on the manufacturing casing machine, on betal can frock 2 inwalls, solidifies one deck molding sand, thereby obtain external mold; C. make cast gate: in valve gated mold, put into molding sand, make cast gate after the heating; D. matched moulds: the cast gate that makes is positioned on the sprue gate of core upper end, suit external mold outside core then, core and external mold axial line are on same straight line; E. cast: the molten iron of heating is poured into a mould from cast gate, and the duration of pouring, set time was more than or equal to 15 minutes less than 1 minute; F. the demoulding: take out spray; G. clear up rising head: rising head on the spray is cleaned out.Step in the steps A is: a heating of metal core frock, heating-up temperature are 200 ℃~400 ℃; B core making machine core carries out the subregion heating, and heating-up temperature is 200 ℃~500 ℃, then at coremaking mould inner-wall spraying grease class release agent; C puts into coremaking mould matched moulds with metal-cored frock 1 and forms the core die cavity; The d sand shot: the precoated sand under the effect of gases at high pressure in the sand shot tube is injected in the core die cavity, 200 ℃~500 ℃ of temperature, forms hub reduction gear shell core mould behind curing 30s~2min; The e demoulding, and on core, have the cruciform sprue gate.But utilize the produced deceleration box of this method, because not through detecting, after deceleration box is handled by the micropore leakage mending technique, might have bigger hole, aperture, so still have aperture after the mending-leakage, this aperture by naked eyes be difficult to observed, where do not know yet, but the existence of this aperture can have a strong impact on product quality, will assemble by the time often and finish or could find after client unit or in using, and causes very big waste.

Summary of the invention

The present invention provides a kind of deceleration box applied voltage test device and method, it mainly is to solve the existing in prior technology deceleration box because not through detecting, after deceleration box is handled by the micropore leakage mending technique, might there be bigger hole, aperture, therefore still there is aperture after the mending-leakage, can have a strong impact on product quality, cause the technical matters of very big waste etc.

Above-mentioned technical matters of the present invention is mainly solved by following technical proposals:

A kind of deceleration box applied voltage test device of the present invention, comprise base, base is provided with tank, and described tank is provided with base plate, and base plate is connected with jacking gear, be connected with the casing positioning cylinder by the cylinder support on the base plate, the push rod of cylinder is provided with downwards, and the lower end of push rod is provided with the air inlet locating piece, and the air inlet locating piece is provided with and adds air pipe, air inlet locating piece inside has passage to communicate with adding air pipe, and the both sides of base plate also are provided with the locating device that can locate deceleration box.Tank is contained on the jacking gear, has done the water leakage processing between tank and the jacking gear, and tank is made by stainless steel, can be placed with clear water in it.Jacking gear can drive base plate and carry out elevating movement, thereby the deceleration box that is positioned on the base plate promptly can the Inlet and outlet water face.Passage in the air inlet locating piece can be " L " type, and the one end opening adds air pipe in the side connection of air inlet locating piece, and the other end then opening can be inflated the inside of deceleration box in the lower end of air inlet locating piece.

As preferably, described jacking gear is a lift cylinder, and lift cylinder is located on the base, and the push rod of lift cylinder stretches in the tank and is connected on the base plate.Done the water leakage processing between the push rod of lift cylinder and the tank, prevented push rod when making stretching motion, the water in the tank can drip along the slit.

As preferably, the locating device of described base plate one side includes fixed support, is connected with fixed block on the fixed support; The locating device of base plate opposite side is a positioning cylinder.Fixed block, positioning cylinder are symmetrical arranged mutually on horizontal level, can deceleration box be located in the relative both sides of deceleration box like this.

As preferably, the lower end of the push rod of described casing positioning cylinder is provided with seal, and base plate is provided with lower seal, and fixed block is provided with left seal, and the push rod of positioning cylinder is provided with right seal.Deceleration box is when carrying out the pressurization test, and the upper and lower, left and right of deceleration box all have seal to be close to it, and last seal, lower seal, left seal, right seal all are that rubber is made.

As preferably, described casing positioning cylinder, add air pipe, lift cylinder, positioning cylinder and all be connected with control box.Can be provided with control knob on the control box, button control positioning cylinder, a casing positioning cylinder clamp deceleration box, and the work of a control knob control lift cylinder makes deceleration box sink to the underwater, and a button control adds air pipe and inflates.Just can finish control by a control box like this to all electric equipments.

A kind of method of testing of utilizing described deceleration box applied voltage test device the steps include:

A. reducer casing to be detected is placed on the base plate, reducer casing left side and left seal are close to, and positioning cylinder is started working and made right seal fixed thereon and reducer casing right side be close to;

B. the casing positioning cylinder is started working, and makes last seal and the reducer casing upper surface be fixed on this be close to, and reaches to stop after presetting snap-in force;

C. lift cylinder begins down to drive base plate and is fixed on that the sealed reducer casing that compresses sinks under the waterline on the base plate, by adding air pipe to reducer casing inflation pressurization, if at this moment there is aperture to exist in the reducer casing, just have bubble in the water and come up, realize the work that the reducer casing pore detects.

The deceleration box that is used for testing is placed on the cylinder support, and the lower seal on the base plate contacts with the deceleration box bottom surface, and left seal is fixed on the fixed block and with the deceleration box left side and pastes mutually, and right seal is fixed on the positioning cylinder.Positioning cylinder is started working and is made the right seal fixed thereon and the right side of deceleration box be close to, and the casing positioning cylinder is also started working afterwards, makes last seal and the deceleration box upper surface be fixed on this be close to, and reaches to stop after presetting snap-in force; Lift cylinder begins down to drive base plate and is fixed on that sealed deceleration box that compresses sinks under the waterline on the base plate then; Be level pressure power by adding air pipe to deceleration box inflation pressurization again,, just have bubble in the water and come up, realize the work that the reducer casing pore detects if at this moment have aperture to exist in the reducer casing.

As preferably, described default snap-in force is 0.36-0.45MPa.

As preferably, describedly add air pipe inflation is pressurized to 0.36-0.45MPa to reducer casing.

Therefore, the present invention is by setting up a plurality of cylinders, deceleration box to be detected can be carried out clamping and positioning, and can control deceleration box sinks in the screw clamp, by observing whether to have bubble to emerge to detect deceleration box whether have aperture, prevent that deceleration box from breaking down when reality is used because there being aperture, simple and reasonable for structure.

Description of drawings

Accompanying drawing 1 is a kind of structural representation of the present invention;

Accompanying drawing 2 is A portion structure for amplifying synoptic diagram of Fig. 1;

Accompanying drawing 3 is the present invention's structural representations when being positioned at first station;

Accompanying drawing 4 is the present invention's structural representations when being positioned at second station.

Parts, position and numbering among the figure: base 1, tank 2, base plate 3, cylinder support 4, casing positioning cylinder 5, air inlet locating piece 6, add air pipe 7, lift cylinder 8, fixed support 9, fixed block 10, positioning cylinder 11, go up seal 12, lower seal 13, left seal 14, right seal 15, control box 16, reducer casing 17.

Embodiment

Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.

Embodiment: the deceleration box applied voltage test device that this is routine, as Fig. 1, a base 1 is arranged, be fixed with two lift cylinders 8 on the base, be fixed with a tank 2 on the lift cylinder, fill with clear water in the tank.The push rod of lift cylinder stretches in the tank and in the push rod upper end and is fixed with base plate 3.Done the water leakage processing between the push rod of lift cylinder and the tank.Base plate is provided with lower seal 13.Base plate is fixed with casing positioning cylinder 5 by cylinder support 4, the casing positioning cylinder is provided with down, and the push rod lower end of casing positioning cylinder is fixed with air inlet locating piece 6, as Fig. 2, one side of air inlet locating piece is provided with and adds air pipe 7, air inlet locating piece inside is provided with passage and adds air pipe 7 and be communicated with, an end opening of passage in the side of air inlet locating piece and with add air pipe and be communicated with, the other end opening of passage is in the lower surface of air inlet locating piece.The left and right sides of base plate is respectively equipped with fixed support 9, positioning cylinder 11, and fixed support 9 is provided with fixed block 10, is fixed with left seal 14 on the fixed block, is fixed with right seal 15 on the push rod of positioning cylinder 11, and left and right seal is oppositely arranged.All seals all are that rubber is made.The casing positioning cylinder, add air pipe, lift cylinder, positioning cylinder and all be connected with control box, control box is provided with control knob.

A kind of deceleration box applied voltage test method the steps include:

A. as Fig. 3, reducer casing to be detected 17 is placed on the base plate 3, reducer casing left side and left seal are close to, and positioning cylinder 11 is started working and made right seal fixed thereon 13 and reducer casing right side be close to;

B. casing positioning cylinder 5 is started working, and makes the last seal 12 be fixed on this be close to the reducer casing upper surface, reaches to stop after presetting snap-in force 0.4MPa;

C. lift cylinder 8 beginning down drives base plate 3 and is fixed on that the sealed reducer casing that compresses sinks under the waterline on the base plate, arrive position as Fig. 4, inflation is pressurized to 0.4MPa to reducer casing by adding air pipe 7, if at this moment there is aperture to exist in the reducer casing, just have bubble in the water and come up, realize the work that the reducer casing pore detects.

The above only is specific embodiments of the invention, but architectural feature of the present invention is not limited thereto, and any those skilled in the art is in the field of the invention, and the variation of being done or modify all is encompassed among the claim of the present invention.

Claims (8)

1. deceleration box applied voltage test device, comprise base (1), base is provided with tank (2), it is characterized in that described tank (2) is provided with base plate (3), base plate is connected with jacking gear, be connected with casing positioning cylinder (5) by cylinder support (4) on the base plate, the push rod of cylinder is provided with downwards, and the lower end of push rod is provided with air inlet locating piece (6), the air inlet locating piece is provided with and adds air pipe (7), air inlet locating piece inside has passage to communicate with adding air pipe, and the both sides of base plate also are provided with the locating device that can locate deceleration box.
2. deceleration box applied voltage test device according to claim 1 is characterized in that described jacking gear is lift cylinder (8), and lift cylinder is located on the base (1), and the push rod of lift cylinder stretches in the tank (2) and is connected on the base plate (3).
3. deceleration box applied voltage test device according to claim 1 and 2 is characterized in that the locating device of described base plate (3) one sides includes fixed support (9), is connected with fixed block (10) on the fixed support; The locating device of base plate (3) opposite side is positioning cylinder (11).
4. deceleration box applied voltage test device according to claim 3, the lower end that it is characterized in that the push rod of described casing positioning cylinder (5) is provided with seal (12), base plate (3) is provided with lower seal (13), fixed block (10) is provided with left seal (14), and the push rod of positioning cylinder (11) is provided with right seal (15).
5. deceleration box applied voltage test device according to claim 4 is characterized in that described casing positioning cylinder (5), adds air pipe (7), lift cylinder (8), positioning cylinder (11) all be connected with control box (16).
6. method of testing of utilizing any described deceleration box applied voltage test device of claim 1-5 is characterized in that:
A. reducer casing to be detected is placed on the base plate (3), reducer casing left side and left seal are close to (14), and positioning cylinder (11) is started working and made right seal (13) fixed thereon and reducer casing right side be close to;
B. casing positioning cylinder (5) is started working, and makes the last seal (12) be fixed on this be close to the reducer casing upper surface, reaches to stop after presetting snap-in force;
C. lift cylinder (8) beginning down drives base plate (3) and is fixed on that the sealed reducer casing that compresses sinks under the waterline on the base plate, by adding air pipe (7) to reducer casing inflation pressurization, if at this moment there is aperture to exist in the reducer casing, just have bubble in the water and come up, realize the work that the reducer casing pore detects.
7. deceleration box applied voltage test method according to claim 6 is characterized in that described default snap-in force is 0.36-0.45MPa.
8. deceleration box applied voltage test method according to claim 6 is characterized in that the described air pipe (7) that adds is pressurized to 0.36-0.45MPa to reducer casing inflation.
CN 201010298468 2010-10-08 2010-10-08 Reduction box body pressure test device and method thereof CN101995317A (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102494850A (en) * 2011-11-28 2012-06-13 浙江吉利汽车研究院有限公司 Fuel tank tightness detecting device
CN102564704A (en) * 2011-12-13 2012-07-11 上虞市思纳克热流道有限公司 Automatic test device for nozzle leakage of hot runner system
CN102636320A (en) * 2012-05-08 2012-08-15 天津市塑料研究所 Leakage test device for medical filter
CN102749177A (en) * 2012-07-26 2012-10-24 昆山美和机械有限公司 Submerged air leakage test device for bicycle front fork casts
CN105136407A (en) * 2015-08-27 2015-12-09 浙江联宜电机有限公司 Worm gear box tightness test device
CN105973539A (en) * 2016-06-20 2016-09-28 丹阳市常盛机械有限公司 Tightness testing device for machine oil filter
CN108120569A (en) * 2018-03-05 2018-06-05 安徽传质信息科技有限公司 A kind of air-tightness detection device for automotive muffler
CN108692873A (en) * 2018-05-29 2018-10-23 广州岳信试验设备有限公司 A kind of air pressure leak test device and test method
CN109781366A (en) * 2019-01-14 2019-05-21 内蒙古科技大学 A kind of rectangular top pipe tunnel F type bell and spigot joint by curved test method

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Publication number Priority date Publication date Assignee Title
CN2641622Y (en) * 2003-07-25 2004-09-15 重庆宗申技术开发研究有限公司 Leakage detector for engine of high-speed boat
CN2804831Y (en) * 2005-07-18 2006-08-09 李荣富 Dry/water combination testing machine for airtightness of cavity work pieces
CN101266185A (en) * 2008-05-07 2008-09-17 常州市科信燃气设备有限公司 Voltage-regulating transformer valve body detection device
CN201242489Y (en) * 2008-08-20 2009-05-20 长春云顶汽车部件有限公司 Experimental bench for air tightness of engine oil cleaner
CN201331418Y (en) * 2008-10-13 2009-10-21 潍坊潍柴零部件机械有限公司 Air-tightness detection device of shell body
CN101696900A (en) * 2009-10-15 2010-04-21 马华骏 Automatic leak detector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2641622Y (en) * 2003-07-25 2004-09-15 重庆宗申技术开发研究有限公司 Leakage detector for engine of high-speed boat
CN2804831Y (en) * 2005-07-18 2006-08-09 李荣富 Dry/water combination testing machine for airtightness of cavity work pieces
CN101266185A (en) * 2008-05-07 2008-09-17 常州市科信燃气设备有限公司 Voltage-regulating transformer valve body detection device
CN201242489Y (en) * 2008-08-20 2009-05-20 长春云顶汽车部件有限公司 Experimental bench for air tightness of engine oil cleaner
CN201331418Y (en) * 2008-10-13 2009-10-21 潍坊潍柴零部件机械有限公司 Air-tightness detection device of shell body
CN101696900A (en) * 2009-10-15 2010-04-21 马华骏 Automatic leak detector

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102494850A (en) * 2011-11-28 2012-06-13 浙江吉利汽车研究院有限公司 Fuel tank tightness detecting device
CN102494850B (en) * 2011-11-28 2014-06-18 浙江吉利汽车研究院有限公司 Fuel tank tightness detecting device
CN102564704A (en) * 2011-12-13 2012-07-11 上虞市思纳克热流道有限公司 Automatic test device for nozzle leakage of hot runner system
CN102636320B (en) * 2012-05-08 2015-03-18 天津市塑料研究所 Leakage test device for medical filter
CN102636320A (en) * 2012-05-08 2012-08-15 天津市塑料研究所 Leakage test device for medical filter
CN102749177A (en) * 2012-07-26 2012-10-24 昆山美和机械有限公司 Submerged air leakage test device for bicycle front fork casts
CN102749177B (en) * 2012-07-26 2015-03-11 昆山美和机械有限公司 Submerged air leakage test device for bicycle front fork casts
KR101875798B1 (en) * 2015-08-27 2018-07-06 절강 리닉스 모터 컴퍼니 리미티드 An equipment for testing air tightness of worm gear speed reducer
CN105136407A (en) * 2015-08-27 2015-12-09 浙江联宜电机有限公司 Worm gear box tightness test device
CN105973539A (en) * 2016-06-20 2016-09-28 丹阳市常盛机械有限公司 Tightness testing device for machine oil filter
CN108120569A (en) * 2018-03-05 2018-06-05 安徽传质信息科技有限公司 A kind of air-tightness detection device for automotive muffler
CN108692873A (en) * 2018-05-29 2018-10-23 广州岳信试验设备有限公司 A kind of air pressure leak test device and test method
CN108692873B (en) * 2018-05-29 2019-06-11 广州岳信试验设备有限公司 A kind of air pressure leak test device and test method
CN109781366A (en) * 2019-01-14 2019-05-21 内蒙古科技大学 A kind of rectangular top pipe tunnel F type bell and spigot joint by curved test method

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