CN104776960B - A kind of gearbox rear end face plugging mechanism - Google Patents

A kind of gearbox rear end face plugging mechanism Download PDF

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Publication number
CN104776960B
CN104776960B CN201510221355.8A CN201510221355A CN104776960B CN 104776960 B CN104776960 B CN 104776960B CN 201510221355 A CN201510221355 A CN 201510221355A CN 104776960 B CN104776960 B CN 104776960B
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CN
China
Prior art keywords
mounting groove
plugging
gearbox
telescoping cylinder
guide rod
Prior art date
Application number
CN201510221355.8A
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Chinese (zh)
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CN104776960A (en
Inventor
谢飞
黄浩
段昌凯
饶旭东
张明
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安徽江淮汽车集团股份有限公司
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Priority to CN201510221355.8A priority Critical patent/CN104776960B/en
Publication of CN104776960A publication Critical patent/CN104776960A/en
Application granted granted Critical
Publication of CN104776960B publication Critical patent/CN104776960B/en

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Abstract

The invention discloses a kind of gearbox rear end face plugging mechanism, the telescoping cylinder that it includes the plugging plate embedded with sealing structure, the driving plugging plate is moved to close or remote gearbox rear end face, with the stent being installed on plugging device host, the fixed part of the telescoping cylinder is fixed in the stent, and the end of its pars contractilis is installed on the plugging plate by the first mounting assembly;Guide rod is slidably fitted with the stent, the guide rod is arranged in parallel with the telescoping cylinder, and it relative to the telescopic direction that the glide direction of the stent is the telescoping cylinder, one end of the guide rod is installed on the plugging plate by the second mounting assembly.Which ensure that the uniform force of gearbox rear end face everywhere, effective closure of gearbox rear end face is realized, so as to improve the reliability of air-tight test, and ensure that plugging plate uniform force, telescoping cylinder is avoided to extend the service life of telescoping cylinder due to being damaged caused by unbalance stress.

Description

A kind of gearbox rear end face plugging mechanism

Technical field

The present invention relates to closure to install equipment technical field, more particularly to a kind of gearbox rear end face plugging mechanism.

Background technology

Gear box casing oil duct and cavity leak test detection be the gearbox quality of production control a key link, leak test matter Amount is not controlled, and can be caused the gearbox oil leak of entrucking, be influenced the performance of complete machine.Carry out the pass of gear box casing leak test detection Key is to block, i.e., is sealed the rear end face of gear box casing using sealing strip, and the prior art is more to be directly embedded in envelope by sealing strip On closure plate, using cylinder or oil cylinder pushing plugging plate sealing strip to be pressed into the rear end face of gear box casing, to realize closure, so Air tightness test is carried out to gear box casing afterwards.

But gear box casing is thin-wall part in irregular shape, conveyed in actual production frequently with technique pallet, this The detection of sample leak test is formed gear box casing secondary positioning, and in leak test detection station, housing rear end face can exist certain Tilt, cause certain side of rear end face and the sealing strip that equipment blocks to contact preferably, other side then contact it is poor, and at this time into Row air tightness test, then can obtain gear box casing and the phenomenon revealed occur due to being revealed at closure, cause part qualification Workpiece is sentenced useless, has seriously affected the reliability of air tightness test;Meanwhile plugging plate side stress is larger so that cylinder stress is not Uniformly, cylinder piston rod has the phenomenon suppressed, and influences the service life of cylinder.

Therefore it provides a kind of gearbox rear end face plugging mechanism, to realize effective closure of gearbox rear end face, So as to improve the reliability of air-tight test, and ensure plugging plate uniform force, avoid cylinder due to caused by unbalance stress Damage, extends cylinder service life, with regard to the problem of becoming those skilled in the art's urgent need to resolve.

The content of the invention

The object of the present invention is to provide a kind of gearbox rear end face plugging mechanism, to realize gearbox rear end face Effectively closure, so as to improve the reliability of air-tight test, and ensure plugging plate uniform force, avoid cylinder due to stress not Damage caused by, extends cylinder service life.

To achieve these goals, the present invention provides a kind of gearbox rear end face plugging mechanism, including is tied embedded with sealing The plugging plate of structure, and the telescoping cylinder that the driving plugging plate is moved to close or remote gearbox rear end face;Further include installation Stent on plugging device host, the fixed part of the telescoping cylinder are fixed in the stent, and the end of its pars contractilis passes through One mounting assembly is installed on the plugging plate;Guide rod, the guide rod and the telescoping cylinder are slidably fitted with the stent It is arranged in parallel, and its telescopic direction relative to the glide direction of the stent for the telescoping cylinder, one end of the guide rod The plugging plate is installed on by the second mounting assembly.

Preferably, the guide rod is two, and two guide rods are divided into the both sides of the telescoping cylinder, and relative to institute Telescoping cylinder is stated to be symmetrical arranged.

Preferably, liner clamp is installed on the stent, the guide rod passes through the liner clamp, and along the liner clamp Slide axially and be installed on the stent.

Preferably, second mounting assembly includes being installed on the first floating seat of the plugging plate, and is installed on described First floating junction of guide rod end;

First floating seat along offered successively close to the direction of the guide rod be open the first larger mounting groove and Be open less second mounting groove, and the end flange of first floating junction is arranged in first mounting groove, and it is thick Degree is less than the height of first mounting groove, width of its outside diameter less than first mounting groove;

The outside diameter of the end flange is more than the width of second mounting groove, the first connection of first floating junction Axle position is in second mounting groove, and its outside diameter is less than the width of second mounting groove.

Preferably, first floating junction is further included equipped with externally threaded bolt head, and the connection bolt head With the first flat axis of first connecting shaft;The end face of the guide rod towards first floating junction offers threaded hole, The screw head is screwed togather with the threaded hole.

Preferably, first mounting assembly includes being installed on the second floating seat of the plugging plate, and is installed on described Second floating junction of the pars contractilis end of telescoping cylinder;

Second floating seat along offered successively close to the direction of the pars contractilis be open the 3rd larger mounting groove and Be open less 4th mounting groove, and the lug bosses at end part of second floating junction is arranged in the 3rd mounting groove, and it is thick Degree is less than the height of the 3rd mounting groove, width of its outside diameter less than the 3rd mounting groove;

The outside diameter of the lug bosses at end part is more than the width of the 4th mounting groove, the second connection of second floating junction Axle position is in the 4th mounting groove, and its outside diameter is less than the width of the 4th mounting groove;Second connecting shaft is close to institute The one end for stating telescoping cylinder is provided with the second flat axis.

Preferably, second floating junction offers axial via, and the inner wall of the axial direction via offers internal thread, The pars contractilis of the telescoping cylinder offers the external screw thread with the internal screw-thread screw.

Preferably, two oil-free bushings, and two oil-free bushings are provided between the liner clamp and the guide rod Outer end fixed respectively by circlip.

Preferably, the liner clamp includes the first back-up ring mounting groove, the first nothing successively to the direction away from the plugging plate Oily bushing mounting holes, intercommunicating pore, the second oil-free bushing mounting hole and the second back-up ring mounting groove;On the liner clamp or set There is the liner clamp flange head for being installed on the stent, and the bracket holes fitted shaft being installed in rack mounting apertures.

Preferably, the side of the plugging plate towards gearbox rear end face is provided with some filling blocks, each filling block Match respectively with the gap in gearbox.

Gearbox rear end face plugging mechanism provided by the present invention includes the plugging plate embedded with sealing structure, described in driving The telescoping cylinder that plugging plate is moved to close or remote gearbox rear end face, and the stent being installed on plugging device host, institute The fixed part for stating telescoping cylinder is fixed in the stent, and the end of its pars contractilis is installed on the closure by the first mounting assembly Plate;Guide rod is slidably fitted with the stent, the guide rod is arranged in parallel with the telescoping cylinder, and it is relative to the branch The glide direction of frame is the telescopic direction of the telescoping cylinder, and one end of the guide rod is installed on described by the second mounting assembly Plugging plate.During closure, sealing structure is flush-mounted in plugging plate, the pars contractilis of telescoping cylinder stretches out and drives plugging plate to change The movement of fast box back face, in the process, due to setting stent and slide axially and be installed on the guide rod of stent, guide rod One end is connected with plugging plate, when plugging plate moves under pars contractilis driving, its movement locus be it is axial along guide rod, i.e., Guide rod provides guiding for the movement of plugging plate, avoid plugging plate and glance off, and ensure that gearbox rear end face everywhere Uniform force, realizes effective closure of gearbox rear end face, so as to improve the reliability of air-tight test, and ensures Plugging plate uniform force, avoids telescoping cylinder due to damage caused by unbalance stress, extends the service life of telescoping cylinder.

In a preferred embodiment, in gearbox rear end face plugging mechanism provided by the present invention, its second peace Arrangement includes the first floating seat for being installed on the plugging plate, and is installed on the first floating junction of the guide rod end; The direction of first floating seat along the close guide rod offers the first larger mounting groove of opening successively and opening is smaller The second mounting groove, the end flange of first floating junction is arranged in first mounting groove, and its thickness is less than institute The height of the first mounting groove is stated, its outside diameter is less than the width of first mounting groove, so that end flange can be in the first installation Left, right, front and rear are rocked in groove, and appropriate spacious momentum is provided for end flange;The outside diameter of the end flange is more than described second The width of mounting groove, the first connecting shaft of first floating junction is located in second mounting groove, and its outside diameter is less than institute State the width of the second mounting groove.In this way, floating structure is set between guide rod and plugging plate, easy to guide rod relative to closure The fine setting of plate in all directions, in gear box casing rear end face there are during certain inclination, plugging plate can in moving process To be corrected in real time according to the state of gear box casing rear end face, ensure that sealing structure is roughly the same in the deflection of each position, with Further improve block reliability.

In another preferred embodiment, in gearbox rear end face plugging mechanism provided by the present invention, it first Mounting assembly includes being installed on the second floating seat of the plugging plate, and be installed on the telescoping cylinder pars contractilis end second Floating junction;Second floating seat along offered successively close to the direction of the pars contractilis be open the 3rd larger mounting groove and Be open less 4th mounting groove, and the lug bosses at end part of second floating junction is arranged in the 3rd mounting groove, and it is thick Degree is less than the height of the 3rd mounting groove, width of its outside diameter less than the 3rd mounting groove;The outside diameter of the lug bosses at end part More than the width of the 4th mounting groove, the second connecting shaft of second floating junction is located in the 4th mounting groove, and Its outside diameter is less than the width of the 4th mounting groove;It is flat that second connecting shaft close to one end of the telescoping cylinder is provided with second Axis.In this way, telescoping cylinder can realize fine position in the second floating seat, occur so as to avoid telescoping cylinder in mechanism Unbalance loading, effectively protects telescoping cylinder.

Brief description of the drawings

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, drawings in the following description are only one described in the present invention A little embodiments, for those of ordinary skill in the art, can also obtain other attached drawings according to these attached drawings.

Fig. 1 is a kind of axonometric drawing for crossing embodiment of gearbox rear end face plugging mechanism provided by the present invention;

Fig. 2 is the front view of gearbox rear end face plugging mechanism shown in Fig. 1;

Fig. 3 is the sectional view in A-A directions in Fig. 2;

Fig. 4 is the left view of gearbox rear end face plugging mechanism shown in Fig. 2;

Fig. 5 is the structure chart of the second floating junction;

Fig. 6 is the structure chart of the first floating junction;

Fig. 7 is the structure chart of the second floating seat;

Fig. 8 is the structure chart of liner clamp;

Fig. 9 is the partial enlarged view of M parts in Fig. 3;

Figure 10 is the partial enlarged view of N section in Fig. 3.

Description of reference numerals:

1- positioning key 2- stent 3- guide rod 4- liner clamp 5- plugging plate 6- limited blocks

7- sealing structures 8- the first filling block 9- the second filling block 10- cylinders

11- the first floating seat 12- the second floating seat 13- circlip 14- oil-free bushings

15- the first floating junction 16- the second floating junction 17- cylinder rod 401- liner clamp flange heads

402- bracket holes fitted shaft 4031- the first oil-free bushing mounting holes

4032- the second oil-free bushing mounting hole the first back-up ring mounting grooves of 4041-

The 3rd mounting grooves of the 4th mounting groove 1202- of 4042- the second back-up ring mounting groove 1201-

Flat the first connecting shafts of the axis 1503- 1504- end flanges of 1501- bolt heads 1502- first

Second flat the second connecting shafts of axis 1603- 1604- lug bosses at end part of 1601- axial direction vias 1602-

Embodiment

The core of the present invention is to provide a kind of gearbox rear end face plugging mechanism, to realize gearbox rear end face Effectively closure, so as to improve the reliability of air-tight test, and ensure plugging plate uniform force, avoid cylinder due to stress not Damage caused by, extends cylinder service life.

In order to make those skilled in the art more fully understand technical scheme, below in conjunction with attached drawing to this hair It is bright to be further detailed.

As shown in Fig. 1-Figure 10, in a kind of embodiment, gearbox rear end face stopple plugging machine provided by the present invention Structure includes the plugging plate 5 embedded with sealing structure 7, the driving plugging plate 5 is moved to close to or away from gearbox rear end face Telescoping cylinder, and the stent 2 being installed on plugging device host, the fixed part of the telescoping cylinder be fixed in the stent 2, it is stretched The end in contracting portion is installed on the plugging plate 5 by the first mounting assembly;Guide rod 3 is slidably fitted with the stent 2, it is described Guide rod 3 is arranged in parallel with the telescoping cylinder, and its flexible side relative to the glide direction of the stent 2 for the telescoping cylinder To one end of the guide rod 3 is installed on the plugging plate 5 by the second mounting assembly, same as the prior art, closure The side of plate 5 towards gearbox rear end face is additionally provided with limited block 6, when the designated position phase of limited block 6 and gearbox rear end face To when, then stop continue to be pressed.

Above-mentioned stent 2 is the mounting framework of whole plugging mechanism, for installing telescoping cylinder, guide rod 3 and by stopple plugging machine Structure is fixed with plugging device host implementation, in order to ensure the installation reliability of plugging mechanism and plugging device host and position essence Degree, can set positioning key 1 on stent 2, which is arranged on the top of stent 2, it is installed on the key of plugging device host In groove, the positioning for whole plugging mechanism.

Above-mentioned telescoping cylinder is preferably cylinder 10, or other commonly used in the art can realize flexible knot Structure, such as hydraulic cylinder or electric cylinders etc..

During closure, sealing structure 7 is flush-mounted in plugging plate 5, the pars contractilis of telescoping cylinder stretches out and drives plugging plate 5 Moved to gearbox rear end face, sealing structure 7 is contacted with gear box casing rear end face during the motion, subsequent sealing structure 7 Elastic deformation is produced, when the limited block 6 on plugging plate 5 is contacted with gear box casing rear end face, pars contractilis stops travelling forward, Gear box casing rear end face completes sealing blocking;In the process, due to setting stent 2 and slide axially and be installed on stent 2 guide rod 3, one end of guide rod 3 are connected with plugging plate 5, and when plugging plate 5 moves under pars contractilis driving, it moves rail Mark is axial along guide rod 3, i.e., guide rod 3 provides guiding for the movement of plugging plate 5, avoids plugging plate 5 and occurs partially Tiltedly, it ensure that the uniform force of gearbox rear end face everywhere, effective closure of gearbox rear end face realized, so as to improve The reliability of air-tight test, and ensure that 5 uniform force of plugging plate, telescoping cylinder is avoided due to damage caused by unbalance stress It is bad, extend the service life of telescoping cylinder.

In order to ensure to be oriented to stability, guide rod 3 is preferably arranged to two, two guide rods 3 are divided into described stretch The both sides of contracting cylinder, and be symmetrical arranged relative to the telescoping cylinder.It is apparent that guide rod 3 can also set multiple, or only set One.

Further, liner clamp 4 is installed on stent 2, the guide rod 3 passes through the liner clamp 4, and along the lining Block set 4, which slides axially, is installed on the stent 2, to ensure the installation reliability and guidance quality between stent 2 and guide rod 3.Together When, it is smooth in order to ensure to be oriented to, avoid that clamping stagnation occurs in sliding process, be provided between the liner clamp 4 and the guide rod 3 Two oil-free bushings 14, and the outer end of two oil-free bushings 14 is fixed by circlip 13 respectively.

Specifically, liner clamp 4 is two, and two liner clamps 4 are symmetrical arranged relative to telescoping cylinder, are pacified in each liner clamp 4 Equipped with two oil-free bushings 14, oil-free bushing 14 carries out axial limiting by circlip 13, and guide rod 3 is installed on oil-free bushing In 14, i.e., two guide rods 3 are installed in two oil-free bushings 14 correspondingly respectively;Oil-free bushing 14 can with guide rod 3 It is gap-matched H7/g6.

In above-mentioned embodiment, the second mounting assembly includes being installed on the first floating seat 11 of the plugging plate 5, With the first floating junction 15 for being installed on 3 end of guide rod;First floating seat 11 is along close to the side of the guide rod 3 To offering larger the first mounting groove and less second mounting groove of opening of being open, the end of first floating junction 15 successively Portion's flange 1504 is arranged in first mounting groove, and its thickness is less than the height of first mounting groove, its outside diameter is less than The width of first mounting groove, is end so that end flange 1504 can rock left, right, front and rear in the first mounting groove Flange 1504 provides appropriate spacious momentum;The outside diameter of the end flange 1504 is more than the width of second mounting groove, described First connecting shaft 1503 of the first floating junction 15 is located in second mounting groove, and its outside diameter is less than second mounting groove Width.In this way, floating structure is set between guide rod 3 and plugging plate 5, easy to guide rod 3 relative to plugging plate 5 each Fine setting on direction, in gear box casing rear end face there are during certain inclination, plugging plate 5 can be according to change in moving process The state of fast tank shell rear end face is corrected in real time, ensures that sealing structure 7 is roughly the same in the deflection of each position, further to carry High block reliability.

Specifically, above-mentioned 3 and first floating junction 15 of guide rod uses thread connection, and the first floating junction 15 is sleeved on first In floating seat 11, the first floating seat 11 is installed on plugging plate 5 by screw.

In theory, the second mounting assembly is not limited to above-mentioned floating structure, as long as 3 one end of guide rod can be realized With the connection of plugging plate 5, can be connected and fixed using both.

For ease of installation, first floating junction 15 is further included equipped with externally threaded bolt head 1501, and connection institute State the first flat axis 1502 of bolt head 1501 and first connecting shaft 1503;The guide rod 3 floats towards described first The end face of connector 15 offers threaded hole, and the screw head is screwed togather with the threaded hole, bolt head 1501 and 3 spiral shell of guide rod Line connects.It is apparent that the first floating junction 15 can also select other modes to be connected with guide rod 3, such as can open on it If card slot, 3 end of guide rod is caught in card slot, is connected and fixed with realizing.

Above-mentioned first flat axis 1502 has clamping plane, it is installed with instruments such as spanners easy to use;First connects Second mounting groove of 1503 and first floating seat 11 of spindle coordinates, in order to control amount of floating, in the present embodiment, the second mounting groove Groove width compared with the first connecting shaft 1503 the big 0.5mm -1mm of diameter;The end flange 1504 of first floating junction 15 is sleeved on first In first mounting groove of floating seat 11, the groove width of the first mounting groove is big compared with the diameter of the end flange 1504 of the first floating junction 15 0.5mm -1mm, the height of the first mounting groove is compared with big 0.5mm of thickness of end flange 1504 or so.

In above-mentioned embodiment, above-mentioned first mounting assembly includes being installed on the second floating of the plugging plate 5 Seat 12, and it is installed on the second floating junction 16 of the pars contractilis end of the cylinder 10;Second floating seat 12 is along close to institute The direction for stating pars contractilis offers be open larger the 3rd mounting groove 1202 and less 4th mounting groove 1201 of opening, institute successively The lug bosses at end part 1604 for stating the second floating junction 16 is arranged in the 3rd mounting groove 1202, and its thickness is less than the described 3rd The height of mounting groove 1202, its outside diameter are less than the width of the 3rd mounting groove 1202;The outside diameter of the lug bosses at end part 1604 is big In the width of the 4th mounting groove 1201, the second connecting shaft 1603 of second floating junction 16 is positioned at the described 4th installation In groove 1201, and its outside diameter is less than the width of the 4th mounting groove 1201;Second connecting shaft 1603 is close to described flexible One end of cylinder is provided with the second flat axis 1602.In this way, telescoping cylinder can realize fine position in the second floating seat 12, so as to keep away Exempt from telescoping cylinder and unbalance loading occurs in mechanism, effectively protect telescoping cylinder.

Specifically, the pars contractilis of telescoping cylinder is connected through a screw thread with the second floating junction 16, and the second floating junction 16 is sleeved on On second floating seat 12, the second floating seat 12 is fixed by screws on plugging plate 5.

Second connecting shaft 1603 and the 4th mounting groove 1201 of the second floating seat 12 coordinate, in order to control amount of floating, at this In embodiment, the big 0.5mm -1mm of diameter of the groove width of the 4th mounting groove 1201 compared with the second connecting shaft 1603;Second floating junction 16 lug bosses at end part 1604 is sleeved in the second mounting groove of the second floating seat 12, and the groove width of the second mounting groove is compared with the second floating junction Big 0.5mm-the 1mm of diameter of 16 lug bosses at end part 1604, the height of the second mounting groove are big compared with the thickness of lug bosses at end part 1604 0.5mm or so.

In theory, above-mentioned first mounting assembly is also not limited to above-mentioned floating structure form, as long as can realize Telescopic rod is fixedly connected with plugging plate 5, such as both can also select the modes such as clamping.

In order to improve connection convenience and reliability, second floating junction 16 offers axial via 1601, described The inner wall of axial via 1601 offers internal thread, and the pars contractilis of the cylinder 10 offers the outer spiral shell with the internal screw-thread screw Line.It is apparent that the pars contractilis of cylinder 10 can also be connected in the card hole opened up on the second floating junction 16.

Specifically, the liner clamp 4 to away from the plugging plate 5 direction successively include the first back-up ring mounting groove 4041, First oil-free bushing mounting hole 4031, intercommunicating pore, the second oil-free bushing mounting hole 4032 and the second back-up ring mounting groove 4042;Institute The liner clamp flange head 401 for being also provided with being installed on the stent 2 on liner clamp 4 is stated, and is installed in rack mounting apertures Bracket holes fitted shaft 402.

The side of above-mentioned plugging plate 5 towards gearbox rear end face is provided with some filling blocks, each filling block respectively with Gap in gearbox matches;Specifically, the first filling block 8 is installed on plugging plate 5, is installed on the first filling block 8 There is the second filling block 9, for being filled to the cavity in transmission housing body, to reduce the volume of cavity, improve leak test Qualification rate, the installation threaded hole on plugging plate 5 should be blind hole herein.

In addition, in order to improve the installation reliability of sealing structure 7, dovetail groove can be provided with plugging plate 5, for pacifying Sealing structure 7 is filled, oat tail groove structure not only can make sealing structure 7 be easily installed and dismantle, while during closure, it is close Seal structure 7 is also not easy to drop, and the difference in height of sealing structure 7 and limited block 6 is the deflection of sealing structure 7.

It is pointed out that the ordinal number such as " first, second " described in text, is to distinguish the different knots of same names Structure, it is convenient only for description, do not indicate that certain order, more should not be construed as any restriction.

Below by taking above-mentioned embodiment as an example, the work of gearbox rear end face plugging mechanism provided by the present invention is sketched Make process.

Start cylinder 10, the cylinder rod 17 of cylinder 10 is stretched out to promote plugging plate 5 to be moved along two guide rods 3, moved During sealing structure 7 moved closer to gear box casing rear end face to being in contact, continue to forward extend out with exhaust hood 10, seal Structure 7 produces elastic deformation, and when limited block 6 is contacted with gear box casing rear end face, cylinder 10 stops travelling forward, gearbox Housing rear end face completes sealing blocking.

Some one exemplary embodiments that only the invention has been described by way of explanation above, undoubtedly, for ability The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention The limitation of claims.

Claims (9)

1. a kind of gearbox rear end face plugging mechanism, including embedded with sealing structure(7)Plugging plate(5), and the driving envelope Closure plate(5)To telescoping cylinder that is close or being moved away from gearbox rear end face;Plugging device is installed on it is characterized in that, further including Stent on host(2), the fixed part of the telescoping cylinder is fixed in the stent(2), the end of its pars contractilis passes through the first peace Arrangement is installed on the plugging plate(5);The stent(2)On be slidably fitted with guide rod(3), the guide rod(3)With institute State telescoping cylinder to be arranged in parallel, and it is relative to the stent(2)Glide direction be the telescoping cylinder telescopic direction, it is described to lead To bar(3)One end the plugging plate is installed on by the second mounting assembly(5);
Second mounting assembly includes being installed on the plugging plate(5)The first floating seat(11), and it is installed on the guiding Bar(3)First floating junction of end(15);
First floating seat(11)Along close to the guide rod(3)Direction offer larger the first mounting groove of being open successively With less second mounting groove of opening, first floating junction(15)End flange(1504)It is arranged at first installation In groove, and its thickness is less than the height of first mounting groove, its outside diameter is less than the width of first mounting groove;
The end flange(1504)Outside diameter be more than second mounting groove width, first floating junction(15) One connecting shaft(1503)In second mounting groove, and its outside diameter is less than the width of second mounting groove.
2. gearbox rear end face plugging mechanism according to claim 1, it is characterised in that the guide rod(3)For two, Two guide rods(3)The both sides of the telescoping cylinder are divided into, and are symmetrical arranged relative to the telescoping cylinder.
3. gearbox rear end face plugging mechanism according to claim 2, it is characterised in that the stent(2)On be provided with Liner clamp(4), the guide rod(3)Through the liner clamp(4), and along the liner clamp(4)Sliding axially, it is described to be installed on Stent(2).
4. gearbox rear end face plugging mechanism according to claim 1, it is characterised in that first floating junction(15) Further include and be equipped with externally threaded bolt head(1501), and the connection bolt head(1501)With first connecting shaft (1503)The first flat axis(1502);The guide rod(3)Towards first floating junction(15)End face offer screw thread Hole, the screw head are screwed togather with the threaded hole.
5. gearbox rear end face plugging mechanism according to any one of claims 1 to 4, it is characterised in that first peace Arrangement includes being installed on the plugging plate(5)The second floating seat(12), and it is installed on the pars contractilis end of the telescoping cylinder The second floating junction(16);
Second floating seat(12)The 3rd larger mounting groove that is open is offered successively along close to the direction of the pars contractilis (1202)With less 4th mounting groove of opening(1201), second floating junction(16)Lug bosses at end part(1604)It is arranged at 3rd mounting groove(1202)It is interior, and its thickness is less than the 3rd mounting groove(1202)Height, its outside diameter is less than described 3rd mounting groove(1202)Width;
The lug bosses at end part(1604)Outside diameter be more than the 4th mounting groove(1201)Width, second floating junction (16)The second connecting shaft(1603)Positioned at the 4th mounting groove(1201)It is interior, and its outside diameter is less than the 4th mounting groove (1201)Width;Second connecting shaft(1603)One end of the telescoping cylinder is provided with the second flat axis(1602).
6. gearbox rear end face plugging mechanism according to claim 5, it is characterised in that second floating junction(16) Offer axial via(1601), the axial direction via(1601)Inner wall offer internal thread, the pars contractilis of the telescoping cylinder Offer the external screw thread with the internal screw-thread screw.
7. gearbox rear end face plugging mechanism according to claim 3, it is characterised in that the liner clamp(4)With it is described Guide rod(3)Between be provided with two oil-free bushings(14), and two oil-free bushings(14)Outer end respectively pass through elasticity gear Circle(13)It is fixed.
8. gearbox rear end face plugging mechanism according to claim 7, it is characterised in that the liner clamp(4)To remote The plugging plate(5)Direction include the first back-up ring mounting groove successively(4041), the first oil-free bushing mounting hole(4031), connection Hole, the second oil-free bushing mounting hole(4032)With the second back-up ring mounting groove(4042);In the liner clamp(4)On be also provided with It is installed on the stent(2)Liner clamp flange head(401), and the bracket holes fitted shaft being installed in rack mounting apertures(402).
9. according to claim 1-4 any one of them gearbox rear end face plugging mechanisms, it is characterised in that the plugging plate (5)Some filling blocks are installed towards the side of gearbox rear end face, each filling block respectively with the gap phase in gearbox It coincide.
CN201510221355.8A 2015-05-04 2015-05-04 A kind of gearbox rear end face plugging mechanism CN104776960B (en)

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CN104776960B true CN104776960B (en) 2018-04-13

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