CN104712626A - Accelerometer pendulum piece set bonding device of expandable mandrel structure - Google Patents

Accelerometer pendulum piece set bonding device of expandable mandrel structure Download PDF

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Publication number
CN104712626A
CN104712626A CN201510092819.XA CN201510092819A CN104712626A CN 104712626 A CN104712626 A CN 104712626A CN 201510092819 A CN201510092819 A CN 201510092819A CN 104712626 A CN104712626 A CN 104712626A
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CN
China
Prior art keywords
seat
cover
pendulum
rise
accelerometer
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Granted
Application number
CN201510092819.XA
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Chinese (zh)
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CN104712626B (en
Inventor
赵文峰
孙春霞
王二强
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Hubei Sanjiang Aerospace Hongfeng Control Co Ltd
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Hubei Sanjiang Aerospace Hongfeng Control Co Ltd
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Publication of CN104712626A publication Critical patent/CN104712626A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

The invention discloses an accelerometer pendulum piece set bonding device of an expandable mandrel structure. The accelerometer pendulum piece set bonding device comprises a positioning block, two expandable socket sleeves and a screw rod. The positioning block is fixedly arranged on a base of the bonding device. The two socket sleeves are of a cylinder structure and coaxially arranged on a V-shaped groove of the positioning block at an interval. The cylinder walls of the ends close to each other are each provided with a plurality of axial gaps. Coil skeletons are arranged on the peripheries of the ends in a sleeving mode. The inner wall surfaces of the ends are inner conical surfaces, and the inner wall surfaces can be expanded after jacking rods with outer conical ends stretch into the inner wall surfaces through expanded cores. One end of the screw rod is connected with the other end of one of expandable seat sleeves in an abutted mode, and the other end of the screw rod is provided with a handle. The handle drives the screw rod to move. The two end surfaces of the two expandable seat sleeves abut against each other, so that the coil skeletons on the two end surfaces press a pendulum piece arranged on a positioning hole and located between the two end surfaces, and high-coaxiality bonding is achieved. The accelerometer pendulum piece set bonding device is high in bonding accuracy, the positions of the coil skeletons and the pendulum piece are controllable, the coaxiality error is small, the coil skeletons are mounted in the seat sleeves easily, and the pendulum piece set is easy to detach after being bonded.

Description

Can be risen the accelerometer pendulum group adhering device of core shaft structure
Technical field
The invention belongs to accelerometer technical field, be specifically related to a kind of adhering device of accelerometer pendulum group.
Background technique
Accelerometer is a kind of high-precision sensor measuring small acceleration, is the vitals of inertia system, and pendulum group is the core component of accelerometer, and the use of manufacturing property to inertia system of pendulum group has material impact.
Pendulum group forms by the skeleton of two winding arounds is bonding with being clipped in one of them pendulum, the bonding coil rack on rear both sides and the precision of the coaxality of pendulum on accelerometer have very important impact, coaxial accuracy is not high, then can badly influence the performance parameters such as the resolution after watch core assembling, thus reduce the service precision of product.
At present, the bonding of pendulum group is generally be enclosed within two cover for seat respectively by two coil racks, and pendulum is placed in the middle of two cover for seat, two, left and right cover for seat and middle pendulum is close together with push rod, thus the coil rack that puts of tube base and pendulum bond together.But have following several aspect to have influence on the coaxality of bonding rear coil rack and pendulum in this process:
(1) gap of cover for seat and coil rack can not control, little time large during gap between the two, makes the coaxiality error of bonding rear coil rack and pendulum large, and may affect the dismounting of bonding rear product, improve reject rate.This is because if gap is between the two large, the coaxality of two, left and right coil rack and cover for seat is just poor, and the coaxiality error after bonding with pendulum is just large; If gap is little, after coil rack is bonding from the dismounting cover for seat will be very difficult because general coil rack boundary dimension very little ( left and right), material is aluminum alloy, and the wall thickness of winding around is very thin, and monolateral 0.1mm is yielding; Middle pendulum is silica glass, and thickness 0.8mm, thinnest part is 0.03mm only, and the removal force after bonding can not be large, otherwise pendulum very easily ruptures, and scraps.
(2) coaxial accuracy of cover for seat and pendulum can not accurately control, and cannot guarantee pendulum center and cover for seat central coaxial, and the coaxality of coil rack and pendulum cannot accurately be controlled.Because coil rack is enclosed within cover for seat, if the coaxiality error at cover for seat center and pendulum center is large, then the coaxiality error of bonding rear coil rack and pendulum is just large.
For these reasons, in the bonding process of pendulum group, the gap uniformity that must control cover for seat and coil rack is reasonable, and ensures the coaxial accuracy at cover for seat center and pendulum center simultaneously.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides a kind of accelerometer pendulum group adhering device of the core shaft structure that rises, it is by being optimized improvement to the cover for seat structure for suit coil skeleton, thus the coaxality at the gap of cover for seat and coil rack and cover for seat center and pendulum center is optimized control, improve the coaxial accuracy of the bonding back skeleton coil of pendulum group and pendulum.
For achieving the above object, the technical solution adopted in the present invention is as follows:
Rise the accelerometer pendulum group adhering device of core shaft structure, and bonding with the high-axiality of pendulum for realizing shaped framework coil in accelerometer, it is characterized in that, this adhering device comprises:
Positioning block, it is fixedly installed on the base of adhering device, this positioning block has the v-depression for locating;
In the risen cover for seat of tube structure, it is two, coaxial spaced is arranged on the v-depression of described positioning block, this cover for seat that can rise end close to each other barrel separately has multiple axial slits, described coil rack is enclosed within this end outer circumferential face, and this inner wall of end face is internal conical surface, it can stretch into spreading wherein at the push rod with outer cone end, thus the gap tensioners such as suit described coil rack is thereon fixed and ensure central coaxial; And
Screw rod, it can be arranged on the base of adhering device with moving to axial, its one end and one of them cover for seat the other end end abutment that can rise, the screw rod the other end is provided with the handle for drive screw movement, it drives described screw rod to move, thus both ends of the surface relative with another cover for seat that can rise for one of them cover for seat that can rise described are pushed against mutually, make the coil rack in both ends of the surface and to be arranged on positioning hole and the pendulum be positioned between the two compresses, realize the bonding of high-axiality.
Improve as the present invention, described push rod outer cone end coaxially mates with the cover for seat internal conical surface that can rise.
As improvement of the present invention, the described cover for seat that rises is pressed on the v-depression of described positioning block by pressing plate.
As improvement of the present invention, also comprise auxiliary socket, its be arranged on described one of them can rise between cover for seat and screw rod end, when described screw rod moves by described auxiliary socket push against described can ringfeder cylinder.
As improvement of the present invention, described in be socketed with the cover for seat end of coil rack cylindrical for consistent with pendulum excircle dimension, to make pendulum accurately also ensure coaxial with the excircle orientation of cover for seat end, thus make described coil rack and pendulum central coaxial.
As improvement of the present invention, the axial slits on the barrel separately of the described cover for seat that rises end close to each other is circumferentially evenly arranged, and so that end circumference barrel is evenly divided into polylith, preferred gap quantity is 3-6 bar.
As improvement of the present invention, the other end relatively in the barrel inwall of the described cover for seat that rises with internal conical surface has screw thread, described push rod be threaded connection the cover for seat that can to rise with this be connected and thus relative movement within it to realize tensioner or to unclamp.
As improvement of the present invention, also comprise knockout pin, for after bonding completing, pendulum group is ejected from base.
The accelerometer pendulum group adhering device of the core shaft structure that rises of the present invention, comprise base and location mounted thereto, clamp device, localization part is made up of 1 vee-block, 2 cover for seat that can rise, 2 push rods and 2 pressing plates: utilize the mandrel principle that can rise, the cover for seat that can rise left end is processed with tapped hole and internal conical surface, and the interior cylinder of right-hand member and coil rack Internal hole positioning is processed with groove vertically.Push rod is moved can rise in cover for seat by worm structure, can be risen cylinder in cover for seat by the cooperation spreading of conical surface.2 cover for seat that can rise are placed on vee-block, and fix with 2 pressing plates respectively, vee-block is screwed on base; Clamping part comprises handle, screw rod and auxiliary socket, and (auxiliary socket can be cancelled according to the shape of screw rod end face tightening, the cover for seat that can rise reliably can be held out against for cancelling foundation with screw rod end face): screw rod rotates the movement realized in the base by worm structure handle, auxiliary socket is placed on screw rod end face, promote to hold out against the cover for seat that can rise by screw rod, realize the bonding of coil rack and pendulum.
The bonded structure of the cover for seat that rises of the present invention, its can reduce coil rack and pendulum bonding after coaxiality error, improve pendulum group bonding after coaxial accuracy.
In general, the above technological scheme conceived by the present invention compared with prior art, has following beneficial effect:
(1) by arranging two cover for seat that can rise, coil rack is socketed thereon respectively, the utilization mandrel principle that can rise is coaxial and gap uniformity ground tensioning is fixed in cover for seat by coil rack, can the coaxality of coaxial coil skeleton and cover for seat.
(2) by cover for seat barrel excircle dimension and pendulum size are set in the same size, make pendulum can ensure the accurate location with cover for seat barrel before bonding, thus the coaxality of pendulum and barrel can be ensured, and then it is coaxial to realize with coil rack.
(3) by the coil rack being fixed on all right one way or the other cover for seat end of rising is utilized screw-pressing with the pendulum be positioned between the two, because the cover for seat that can rise all is arranged in the fast installation groove in location, when one of them cover for seat that can rise is moved, coaxality can be ensured with another cover for seat that can rise all the time.
(4) the accelerometer pendulum group adhering device adhesive reinforcement of the core shaft structure that rises of the present invention is high, and the position of bonding process coil skeleton and pendulum is controlled, and the coaxiality error of bonding rear coil rack and pendulum is little.The installation of coil rack in cover for seat is easy, and the dismounting after pendulum group is bonding is easy, can not scrap because rupturing when the localized reason of coil rack and cover for seat causes pendulum to be dismantled.
Accompanying drawing explanation
Fig. 1 is the structural representation of the accelerometer pendulum group adhering device according to the risen core shaft structure constructed by the embodiment of the present invention;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the structural representation of the risen cover for seat of the accelerometer according to the risen core shaft structure constructed by the embodiment of the present invention;
Fig. 4 is the sectional view of the risen cover for seat in Fig. 3.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each mode of execution of the present invention involved technical characteristics do not form conflict each other and just can mutually combine.
Constructed by the embodiment of the present invention the accelerometer pendulum group adhering device of risen core shaft structure, comprise base and location mounted thereto, clamp device, localization part is made up of 1 vee-block 2 (as positioning block), 2 can rise cover for seat 5,2 push rods 3 and 2 pressing plates 6.Push rod 3 by worm structure can to rise in cover for seat 5 mobile.2 cover for seat that can rise put 5 on vee-block, and fix with 2 pressing plates 6 respectively, vee-block 2 is screwed on base.
Clamping part comprises handle 11, screw rod 10 and auxiliary socket 8, and screw rod 10 rotates by worm structure handle 11 movement realized in base 1, and auxiliary socket 8 is placed on screw rod 10 end face, promotes to hold out against the cover for seat 5 that can rise, realize the bonding of pendulum group by screw rod 10.
As shown in Figure 1 and Figure 2, the cover for seat that can rise 5 and push rod 3 respectively have 2, and vee-block 2 screw 7 is fixed on base 1, and the cover for seat that can rise 5 is placed on vee-block 2, compresses with pressing plate 6 and screw 7.The cover for seat that can rise is the tube structure of hollow, and for suit coil skeleton on the barrel cylindrical of wherein one end, these two ends of all right one way or the other ringfeder cylinder are oppositely arranged.Can this end internal face of ringfeder cylinder be internal conical surface, wherein towards outer end be taper small end.The barrel of this end circumferentially has multiple axial slits be evenly arranged, this end barrel is divided into polylith.
Push rod 3 is threaded connection with the cover for seat 5 that can rise, and the outer conical surface of push rod 3 is mated with the internal conical surface of the cover for seat 5 that can rise.By the barrel tensioner of the cooperation of two conical surfaces by this end when push rod 3 is tightened, thus will fix tensioner while the coil rack gap uniformity of this end is sleeved on, and ensure the coaxality of coil rack and cylindrical shell.
Screw rod 10 and handle 11 are left hand thread engagement, and screw rod 10 for being slidably matched, limiting it with pressing plate 9 and screw 7 and rotating, realizing screw rod 10 moving in parallel in base 1 in base 1.
Before using, first vee-block 2 screw 7 is fixed on base 1, screw rod 10 is loaded base 1 and is connected with handle 11, with pressing plate 9 and screw 7 by spacing for screw rod 10.Then 2 coil racks to be enclosed within respectively in the cover for seat 5 that can rise on cylinder, by 2 push rods 3 respectively from the left end tapped hole of the cover for seat 5 that can rise, screw in inner hexagon spanner, and by the outer conical surface of push rod 3 and mating of cover for seat 5 internal conical surface that can rise, spreading can rise the interior cylinder of cover for seat 5 right-hand member, realizes rising the reliable tensioner of cover for seat 5 pairs of coil racks and the accurate location at center.
Then be placed on vee-block 2 by the risen cover for seat 5 that coil rack is housed, wherein the locating face on 1 can rise cover for seat 5 and base 1 left side is by putting down, and is placed on by pendulum in the middle of two coil racks, is pressed on base 1 by 2 pressing plates 6 and screw 7 cover for seat 5 that can rise respectively;
Then rotatable handle 11, drives screw rod 10 to move to the left side, 1 that withstands on vee-block 2 with the auxiliary socket 8 be enclosed within screw rod 10 cover for seat 5 that can rise, thus by 2 coil racks and pendulum clamping, completes the bonding of pendulum group.
Bonding complete after, the dismounting of pendulum group is also extremely important, now first rotatable handle 11 exits screw rod 10 and auxiliary socket 8, the push rod 3 on the right is screwed out with spanner, the inner cylindrical surface elastic reset of the cover for seat 5 that can rise on the right of making, thus the tensioner of unclamping right-hand line ring framework, then dismantle the pressing plate 6 that this can rise in cover for seat 5, take out this cover for seat 5 that can rise; Then screw out the push rod 3 on the left side with spanner, can be risen the inner cylindrical surface elastic reset of cover for seat 5 in the left side, thus unclamp the tensioner to left side coil rack, namely available hand takes out the bonding pendulum group completed.For convenience of taking out pendulum group, be designed with knockout pin 4, available knockout pin 4 ejects pendulum group from the left side of base 1.
Cylinder in cover for seat center, through verification experimental verification, is designed to the core shaft structure that can rise by inventor, by cylinder in cover for seat by coil rack endoporus tensioner, thus ensures coil rack center and cover for seat central coaxial; Simultaneously, cover for seat cylindrical is designed to the size the same with pendulum cylindrical, cover for seat cylindrical and pendulum cylindrical are all placed on same vee-block, the central coaxial of cylinder in cover for seat cylindrical and cover for seat, thus ensure to be enclosed within coil rack in two cover for seat on cylinder bonding after and pendulum central coaxial.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. can rise the accelerometer pendulum group adhering device of core shaft structure, and bonding with the high-axiality of pendulum for realizing shaped framework coil in accelerometer, it is characterized in that, this adhering device comprises:
Positioning block (2), it is fixedly installed on the base (1) of adhering device, this positioning block (2) has the v-depression for locating;
Risen cover for seat (5) in tube structure, it is two, coaxial spaced is arranged on the v-depression of described positioning block (2), this cover for seat (5) that can rise end close to each other barrel separately has multiple axial slits, described coil rack is enclosed within this end outer circumferential face, and this inner wall of end face is internal conical surface, it can stretch into wherein by the then spreading that rises at the push rod (3) with outer cone end, thus the gap tensioners such as suit described coil rack is thereon fixed and ensure central coaxial; And
Screw rod (10), it can be arranged on the base (1) of adhering device with moving to axial, its one end and one of them cover for seat (5) the other end end abutment that can rise, screw rod (10) the other end is provided with the handle (11) for drive screw (10) movement, it drives described screw rod (10) mobile, thus both ends of the surface relative with another cover for seat (5) that can rise for one of them cover for seat (5) that can rise described are pushed against mutually, make the coil rack in both ends of the surface and to be arranged on positioning hole and the pendulum be positioned between the two compresses, realize the bonding of high-axiality.
2. the accelerometer pendulum group adhering device of a kind of core shaft structure that rises according to claim 1, wherein, described push rod (3) outer cone end coaxially mates with cover for seat (5) internal conical surface that can rise.
3. the accelerometer pendulum group adhering device of a kind of core shaft structure that rises according to claim 1 and 2, wherein, the described cover for seat that rises (5) is pressed on the v-depression of described positioning block (2) by pressing plate (6).
4. the accelerometer pendulum group adhering device of a kind of core shaft structure that rises according to any one of claim 1-3, wherein, also comprise auxiliary socket (8), its be arranged on described one of them can rise between cover for seat (5) and screw rod (10) end, can ringfeder cylinder (5) described in being pushed against by described auxiliary socket (8) when described screw rod (10) is mobile.
5. the accelerometer pendulum group adhering device of a kind of core shaft structure that rises according to any one of claim 1-4, wherein, the described cylindrical being socketed with risen cover for seat (5) end of coil rack is consistent with pendulum excircle dimension, to make pendulum accurately also ensure coaxial with the excircle orientation of cover for seat (5) end of can rising, thus make described coil rack and pendulum central coaxial.
6. the accelerometer pendulum group adhering device of a kind of core shaft structure that rises according to any one of claim 1-5, wherein, axial slits on the barrel separately of the described cover for seat that rises (5) end close to each other is circumferentially evenly arranged, so that end circumference barrel is evenly divided into polylith, preferred gap quantity is 3-6 bar.
7. the accelerometer pendulum group adhering device of a kind of core shaft structure that rises according to any one of claim 1-6, wherein, the other end relatively in the barrel inwall of the described cover for seat that rises (5) with internal conical surface has screw thread, described push rod (3) be threaded connection the cover for seat (5) that can to rise with this be connected and thus relative movement within it to realize tensioner or to unclamp.
8. the accelerometer pendulum group adhering device of a kind of core shaft structure that rises according to any one of claim 1-7, wherein, also comprise knockout pin (4), for after bonding completing, the pendulum group after bonding is ejected from base (1).
CN201510092819.XA 2015-02-28 2015-02-28 Accelerometer pendulum piece set bonding device of expandable mandrel structure Active CN104712626B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106903539A (en) * 2017-04-12 2017-06-30 沈机集团昆明机床股份有限公司 For the air plug gauge of engine cylinder-body crankshaft hole positioning
CN107662088A (en) * 2016-07-28 2018-02-06 航天科工惯性技术有限公司 Accelerometer pendulum component assembling localization method
CN108214343A (en) * 2016-12-21 2018-06-29 航天科工惯性技术有限公司 A kind of pendulum component assembling positioning device and assembling localization method
CN108799284A (en) * 2018-08-09 2018-11-13 核工业理化工程研究院 Permanent-magnet bearing adhering fixture
CN108825609A (en) * 2018-07-06 2018-11-16 苏州富强科技有限公司 A kind of pendulum component pastes package system
CN112122649A (en) * 2020-09-04 2020-12-25 湖北三江航天红峰控制有限公司 Drilling and riveting pin device and method for bevel pinion of motor shaft of speed reducer
CN112692772A (en) * 2019-10-23 2021-04-23 航天科工惯性技术有限公司 Accelerometer movement disassembling device and method
CN114658736A (en) * 2020-12-23 2022-06-24 航天科工惯性技术有限公司 Adjustable concentric positioning device and method for assembling accelerometer pendulum assembly
CN116206894A (en) * 2023-03-02 2023-06-02 海安上海交通大学智能装备研究院 Three-coil tensioning shaft mechanism

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Publication number Priority date Publication date Assignee Title
CN107662088A (en) * 2016-07-28 2018-02-06 航天科工惯性技术有限公司 Accelerometer pendulum component assembling localization method
CN108214343A (en) * 2016-12-21 2018-06-29 航天科工惯性技术有限公司 A kind of pendulum component assembling positioning device and assembling localization method
CN106903539A (en) * 2017-04-12 2017-06-30 沈机集团昆明机床股份有限公司 For the air plug gauge of engine cylinder-body crankshaft hole positioning
CN108825609A (en) * 2018-07-06 2018-11-16 苏州富强科技有限公司 A kind of pendulum component pastes package system
CN108799284A (en) * 2018-08-09 2018-11-13 核工业理化工程研究院 Permanent-magnet bearing adhering fixture
CN112692772A (en) * 2019-10-23 2021-04-23 航天科工惯性技术有限公司 Accelerometer movement disassembling device and method
CN112692772B (en) * 2019-10-23 2022-08-05 航天科工惯性技术有限公司 Accelerometer movement disassembling device and method
CN112122649A (en) * 2020-09-04 2020-12-25 湖北三江航天红峰控制有限公司 Drilling and riveting pin device and method for bevel pinion of motor shaft of speed reducer
CN114658736A (en) * 2020-12-23 2022-06-24 航天科工惯性技术有限公司 Adjustable concentric positioning device and method for assembling accelerometer pendulum assembly
CN114658736B (en) * 2020-12-23 2023-07-14 航天科工惯性技术有限公司 Adjustable concentric positioning device and assembly method of accelerometer pendulum assembly
CN116206894A (en) * 2023-03-02 2023-06-02 海安上海交通大学智能装备研究院 Three-coil tensioning shaft mechanism
CN116206894B (en) * 2023-03-02 2023-10-03 海安上海交通大学智能装备研究院 Three-coil tensioning shaft mechanism

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