CN208804052U - A kind of engineering machinery and its hydraulic transmission - Google Patents
A kind of engineering machinery and its hydraulic transmission Download PDFInfo
- Publication number
- CN208804052U CN208804052U CN201821459947.9U CN201821459947U CN208804052U CN 208804052 U CN208804052 U CN 208804052U CN 201821459947 U CN201821459947 U CN 201821459947U CN 208804052 U CN208804052 U CN 208804052U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- engaging lug
- hydraulic
- hydraulic cylinder
- hydraulic transmission
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a kind of hydraulic transmissions, including hydraulic cylinder body, positioned at hydraulic cylinder body inside and the telescopic rod to realize stretching motion and the first engaging lug to connect with telescopic rod；Further include with the first engaging lug it is affixed, to hydraulic cylinder body offset with limit the first engaging lug position-limit mechanism.The invention also discloses a kind of engineering machinery including above-mentioned hydraulic transmission.Position when above-mentioned apparatus follows telescopic rod to shrink return by adjustable first engaging lug of position-limit mechanism, so that position when the first engaging lug return be made to remain at original state.
Description
Technical field
The utility model relates to hydraulic transmission technology field, in particular to a kind of hydraulic transmission.The utility model is also
It is related to a kind of engineering machinery with the hydraulic transmission.
Background technique
Hydraulic drive is to can be carried out the kind of drive of energy conversion using fluid pressure.Mechanically use hydraulic drive skill
Art can simplify the structure of machine, reduces manufacturing cost, reduces labor intensity, and improve the reliability of working efficiency and work.
In Hydraulic Power Transmission System, for some executive components, it is contemplated that the stability and security performance of system operation, it is desirable that
Executive component keeps and is no more than a certain minimum spacing；However, in actual operation, component of machine is in operation a period of time
Afterwards, due to abrasion etc., position when certain executive components restore to original state is inevitable when not being system initial conditions
Position, i.e. required minimum spacing are necessarily changed；At this time, it is necessary to by a kind of adjustable position-limit mechanism, make
Mechanical part continues to be limited in initial minimum spacing state.Hydraulic cylinder is as executive component main in hydraulic system, no
With adjustable position-limit mechanism, so that certain elements in hydraulic transmission cannot also be made to be limited in holding always most
The reset condition of small spacing.
Therefore, how to avoid certain elements in hydraulic transmission that from cannot remaining at reset condition, be this field
The current technical issues that need to address of technical staff.
Utility model content
The purpose of the utility model is to provide a kind of hydraulic transmission, which be can solve in hydraulic transmission
Certain elements cannot remain at the problem of reset condition.It includes above-mentioned liquid that the another object of the utility model, which is to provide a kind of,
Press the engineering machinery of transmission device.
To achieve the above object, the utility model provides a kind of hydraulic transmission, including hydraulic cylinder body, be located at it is described
Hydraulic cylinder body inside and the telescopic rod to realize stretching motion and the first engaging lug to be connect with the telescopic rod；
Further include with first engaging lug it is affixed, connect to offset with the hydraulic cylinder body with limiting described first
The position-limit mechanism of ear.
It preferably, further include second engaging lug affixed with the hydraulic cylinder body, the position-limit mechanism includes several
To adjust the gasket of first engaging lug Yu the second engaging lug spacing.
Preferably, first engaging lug is equipped with circumferentially distributed connecting flange, several described gaskets pass through bolt
It is fixedly connected with the connecting flange.
The side for being preferably located at the gasket, which is equipped with, to be run through along its thickness direction, with what is worn for the telescopic rod
Open slot.
Preferably, the gasket is additionally provided with two and is located at the open slot two sides, with what is worn for the bolt
Link slot.
Preferably, the position-limit mechanism be additionally provided be located at close to the hydraulic cylinder body side, to buffer, the rubber of shock-absorbing
Rubber mat.
It preferably, further include being set to the hydraulic cylinder body top, the accumulator to absorb hydraulic oil.
Preferably, the accumulator is connected to by connecting tube with the hydraulic cylinder body.
Preferably, the accumulator is connected through a screw thread with the connecting tube, and one end of the connecting tube is connected with outside
Wall sets threaded connecting rod, and one end of the accumulator is equipped with the internal thread hole to cooperate with the connecting rod.
The utility model also provides a kind of engineering machinery, including hydraulic transmission described in any of the above embodiments.
Relative to above-mentioned background technique, the utility model devises position-limit mechanism for hydraulicdriven different requirements,
Hydraulic transmission is improved on the basis of the prior art, which has adjustable position-limit mechanism, can pass through
Certain executive components in hydraulic transmission are limited in the original shape for remaining and being no more than minimum spacing by position-limit mechanism
State.
Specifically, hydraulic transmission provided by the utility model, including hydraulic cylinder body, telescopic rod and first
Engaging lug, wherein telescopic rod is located inside hydraulic cylinder body and may be implemented the stretching motion along hydraulic cylinder body axial direction, the
One engaging lug connects and is followed with the telescopic end of telescopic rod elongation together with telescopic end and shrinks；Further, above-mentioned hydraulic drive
Device further includes position-limit mechanism, and position-limit mechanism is fixedly connected with the first engaging lug, during telescopic rod contractile motion, position restrainer
Structure can resist hydraulic cylinder body to limit the movement of the first engaging lug or telescopic rod.So, which passes through limit
Position when adjustable first engaging lug of mechanism follows telescopic rod to shrink return, thus position when making the first engaging lug return
Remain at original state.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the overall structure diagram of hydraulic transmission provided by the utility model embodiment；
Fig. 2 is the schematic diagram of the section structure of hydraulic transmission provided by the utility model embodiment；
Fig. 3 is the structural schematic diagram of gasket in Fig. 2.
Wherein:
The first engaging lug of 1-, 2- bolt, 3- nut, 4- spring washer, 5- position-limit mechanism, 51- gasket, 511- open slot,
512- link slot, 6- rubber pad, 7- hydraulic cylinder body, 8- connecting tube, 9- telescopic rod, 10- piston, 11- accumulator, 12- second
Engaging lug.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of hydraulic transmission, which can solve in hydraulic transmission
Certain elements cannot remain at the problem of reset condition.It includes above-mentioned liquid that another core of the utility model, which is to provide a kind of,
Press the engineering machinery of transmission device.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, Fig. 1 is the whole knot of hydraulic transmission provided by the utility model embodiment
Structure schematic diagram；Fig. 2 is the schematic diagram of the section structure of hydraulic transmission provided by the utility model embodiment；Fig. 3 is in Fig. 2
The structural schematic diagram of gasket.
Hydraulic transmission provided by the utility model is to convert hydraulic energy to mechanical energy, can do along its axial direction
The device of straight reciprocating motion, structure is simple, including hydraulic cylinder body 7, telescopic rod 9, piston 10 and the first engaging lug 1；Its
In, telescopic rod 9 is connected to one with piston 10, and the two is located at 7 inside of hydraulic cylinder body and may be implemented along hydraulic cylinder
The axial stretching motion of cylinder body 7, piston 10 and hydraulic cylinder body 7 are without movement clearance, it can be achieved that even running, the first engaging lug
1 connects and is followed with the telescopic end of telescopic rod 9 elongation together with telescopic end and shrinks, and the first engaging lug 1 is convenient for hydraulic transmission
It is connected with workpiece, thus effective passing movement.
In addition, above-mentioned hydraulic transmission further includes position-limit mechanism 5, position-limit mechanism 5 is fixedly connected with the first engaging lug 1,
During 9 contractile motion of telescopic rod, position-limit mechanism 5 can resist hydraulic cylinder body 7 to limit the first engaging lug 1, or
The movement of telescopic rod 9.So, 1 one pieces of position-limit mechanism 5 and the first engaging lug follow 9 contractile motion of telescopic rod, and pass through
Position when adjustable first engaging lug 1 of position-limit mechanism 5 follows telescopic rod 9 to shrink return, to make 1 return of the first engaging lug
When position remain at original state.
In the present embodiment, hydraulic transmission further includes the second engaging lug 12, and the second engaging lug 12 and hydraulic cylinder body 7 are solid
Fixed connection, so, the first engaging lug 1 and the second engaging lug 12 are located at hydraulic transmission arranged on left and right sides, and first connects
Lug 1 can follow telescopic rod 9 to carry out straight reciprocating motion by being fixedly connected with telescopic rod 9, and the second engaging lug 12 is fixed
It is connected on hydraulic cylinder body 7；That is, in the motion process that 9 opposing hydraulic cylinder cylinder body 7 of telescopic rod extends and shrinks,
The straight reciprocating motion that opposite second engaging lug 12 of first engaging lug 1 is also extended and shunk.
In actual operation, device is in the life cycle of operation, and due to abrasion etc., the first engaging lug 1 is being followed
When telescopic rod 9 shrinks return, shrink inevitable position when not being system initial conditions in the position replied, i.e., required first
Engaging lug 1 and the minimum spacing of the second engaging lug 12 are necessarily changed；At this point, pass through the adjustment effect of position-limit mechanism 5, it can
So that the spacing of the first engaging lug 1 and the second engaging lug 12 is maintained at initial state.
Above-mentioned position-limit mechanism 5 includes the gasket that several are used to adjust the spacing of the first engaging lug 1 and the second engaging lug 12
51, can be by increase, or the quantity of gasket 51 in position-limit mechanism 5 is reduced to adjust the first engaging lug 1 and the second engaging lug
12 spacing.
Specifically, the right end of the first engaging lug 1, i.e. the first engaging lug 1 are equipped with close to one end of hydraulic cylinder body 7 along week
To the connecting flange of distribution, according to actual needs, the transversal cross-section of connecting flange is square or rectangle；So, may be used
To open up threaded hole in the four of connecting flange square position, the setting of threaded hole is to pass through for bolt 2 and make connection method
Blue to be fastened with whole gaskets 51 by bolt 2, bolt 2 passes through from left to right along the axial direction of threaded hole, and passes through spring pad
Whole gaskets 51 is fastened on the connecting flange of 1 right end of the first engaging lug by circle 4 and nut 3.
More particularly, in order to meet the spacing of above-mentioned adjusting the first engaging lug 1 and the second engaging lug 12 and with
The purpose of the connecting flange fastening of one engaging lug 1, is equipped with positioned at the side of gasket 51 along the perforative open slot of its thickness direction
511, the effect of open slot 511 is can therefrom to wear for telescopic rod 9, that is to say, that open slot 511 can avoid telescopic rod 9,
And the width of open slot 511 should be greater than the width of telescopic rod 9, the height of open slot 511 should be greater than the height of telescopic rod 9；
Such setting can be convenient for the replacement of gasket 51, it is also ensured that gasket 51 can be with along upper and lower, left and right four direction
First engaging lug 1 is fixedly connected without barrier, i.e., ought need to increase, or reduce gasket 51 quantity when, it is only necessary to unclamp nut
3, gasket 51 is inserted into, or extracts, it is very convenient.
In addition, on gasket 51, and it is located at the upper and lower two sides of open slot 511, gasket 51 is additionally provided with two link slots 512,
Link slot 512 be for being worn for bolt 2 and gasket 51 being anchored on the first engaging lug 1, the width of link slot 512 be set as between
It is less than between bolt head diameter (if it is hex bolts, that youngest is less than the across flats of hexagonal bolt head) greater than outer screw diameter
Size, link slot 512 can be set as to opening link slot, and be equally set as and the consistent opening of 511 opening direction of open slot
Link slot；So, on the basis of meeting above-mentioned gasket 51 convenient for assembly and disassembly, the weight of hydraulic transmission can also be mitigated
Amount.
Certainly, according to actual needs, the set-up mode that above-mentioned gasket 51 can have other different, premise is that on meeting
Function is stated, will not be described in great detail herein.
In order to optimize above-described embodiment, position-limit mechanism 5 is also provided with rubber pad 6, and rubber pad 6 is located at close to hydraulic cylinder
7 side of cylinder body, and can be used to buffer, shock-absorbing；When position-limit mechanism 5 and the first engaging lug 1 follow telescopic rod 9 to shrink return,
It can prevent from causing the service life of gasket 51 to decline since the impact force between position-limit mechanism 5 and hydraulic cylinder body 7 is excessive
And the contact surface of hydraulic cylinder body 7 and position-limit mechanism 5 is caused to deform.
It should be pointed out that above-mentioned rubber pad 6 is anchored on the first engaging lug 1 by bolt 2 with 51 1 pieces of several gaskets
Connecting flange at, when position-limit mechanism 5 follows telescopic rod 9 to shrink return, and when rubber pad 6 touches hydraulic cylinder body 7, spiral shell
The position that bolt 2 fastens is located at the outside of 7 circumference range of hydraulic cylinder body, thus will not cause to do to the movement of position-limit mechanism 5
It relates to.
On the basis of the above, hydraulic transmission further includes accumulator 11, and hydraulic energy can be converted to gesture by accumulator 11
It can store, herein, accumulator 11 can be set to the top of hydraulic cylinder body 7, effect is can be in emergency
It is lower to absorb hydraulic oil in time, impact of the hydraulic oil for fluid pressure line is effectively avoided, and cause the vibration of fluid pressure line, to protect
Demonstrate,prove the stability of hydraulic transmission operation.
Accumulator 11 is connected to by connecting tube 8 with hydraulic cylinder body 7, specifically, being equipped with inside connecting tube 8 to guarantee
The drainback passage that hydraulic cylinder body 7 is connected to 11 internal hydraulic pressure oil of accumulator, one end of connecting tube 8 and hydraulic cylinder body 7 can be with
By being welded and fixed, and the hydraulic cylinder body 7 of junction be equipped with oil-recovery tank identical with drainback passage size, connecting tube 8 it is another
One end can be connected through a screw thread with accumulator 11, be equipped with connecting rod positioned at one end of connecting tube 8, the inner cavity of connecting rod is equally set
Have the channel for hydraulic oil circulation, the lateral wall of connecting rod is equipped with external screw thread, correspondingly, one end of accumulator 11 be equipped with to
The internal thread hole of the external screw thread cooperation of connecting rod, in use, by the way that accumulator 11 to be screwed in the connecting rod in connecting tube 8.
So, can cause to encounter unusual condition to avoid apart from each other with accumulator 11 due to hydraulic cylinder body 7
When, accumulator 11 in time cannot all absorb the hydraulic oil being discharged in hydraulic cylinder body 7, and then reduce the liquid on hydraulic circuit
Pressure impact.
Certainly, according to actual needs, accumulator 11 can have other different setting sides from the connection of hydraulic cylinder body 7
Formula, premise is that guaranteeing accumulator 11 close to hydraulic cylinder body 7, to effectively reduce the hydraulic shock on hydraulic circuit；This
Outside, the connection of connecting tube 8 and hydraulic cylinder body 7 and accumulator 11 is referred to the associated specifications of prior art part,
It herein will not be reinflated.
A kind of engineering machinery provided by the utility model, including the dress of hydraulic drive described in above-mentioned specific embodiment
It sets；The other parts of the engineering machinery are referred to the prior art, not reinflated herein.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Engineering machinery provided by the utility model and its hydraulic transmission are described in detail above.Herein
Specific case is applied to be expounded the principles of the present invention and embodiment, the explanation of above example is only intended to
Help understands the method and its core concept of the utility model.It should be pointed out that coming for those skilled in the art
It says, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these change
Into in the protection scope for also falling into the utility model claims with modification.
Claims (10)
1. a kind of hydraulic transmission, which is characterized in that including hydraulic cylinder body (7), be located at the hydraulic cylinder body (7) inside
And the telescopic rod to realize stretching motion (9) and the first engaging lug (1) to be connect with the telescopic rod (9)；
Further include with first engaging lug (1) it is affixed, to offset with the hydraulic cylinder body (7) with limit it is described first connect
The position-limit mechanism (5) of lug (1).
2. hydraulic transmission according to claim 1, which is characterized in that further include solid with the hydraulic cylinder body (7)
The second engaging lug (12) connect, the position-limit mechanism (5) include several to adjust first engaging lug (1) and described the
The gasket (51) of two engaging lugs (12) spacing.
3. hydraulic transmission according to claim 2, which is characterized in that first engaging lug (1) is equipped with circumferentially
The connecting flange of distribution, several described gaskets (51) are fixedly connected by bolt (2) with the connecting flange.
4. hydraulic transmission according to claim 3, which is characterized in that the side for being located at the gasket (51) is equipped with edge
Its thickness direction runs through, with the open slot (511) worn for the telescopic rod (9).
5. hydraulic transmission according to claim 4, which is characterized in that the gasket (51) is additionally provided with two difference positions
In the open slot (511) two sides, with the link slot (512) worn for the bolt (2).
6. hydraulic transmission according to any one of claims 1 to 5, which is characterized in that the position-limit mechanism (5) also sets
Have be located at close to the hydraulic cylinder body (7) side, to buffer, the rubber pad of shock-absorbing (6).
7. hydraulic transmission according to any one of claims 1 to 5, which is characterized in that further include set on described hydraulic
Cylinder cylinder body (7) top, the accumulator (11) to absorb hydraulic oil.
8. hydraulic transmission according to claim 7, which is characterized in that the accumulator (11) passes through connecting tube (8)
It is connected to the hydraulic cylinder body (7).
9. hydraulic transmission according to claim 8, which is characterized in that the accumulator (11) and the connecting tube
(8) it is connected through a screw thread, one end of the connecting tube (8) is connected with lateral wall and sets threaded connecting rod, the accumulator
(11) one end is equipped with the internal thread hole to cooperate with the connecting rod.
10. a kind of engineering machinery, which is characterized in that including hydraulic transmission as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821459947.9U CN208804052U (en) | 2018-09-06 | 2018-09-06 | A kind of engineering machinery and its hydraulic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821459947.9U CN208804052U (en) | 2018-09-06 | 2018-09-06 | A kind of engineering machinery and its hydraulic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208804052U true CN208804052U (en) | 2019-04-30 |
Family
ID=66237060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821459947.9U Active CN208804052U (en) | 2018-09-06 | 2018-09-06 | A kind of engineering machinery and its hydraulic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208804052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825566A (en) * | 2018-09-06 | 2018-11-16 | 重庆齿轮箱有限责任公司 | A kind of engineering machinery and its hydraulic transmission |
-
2018
- 2018-09-06 CN CN201821459947.9U patent/CN208804052U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825566A (en) * | 2018-09-06 | 2018-11-16 | 重庆齿轮箱有限责任公司 | A kind of engineering machinery and its hydraulic transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208804052U (en) | A kind of engineering machinery and its hydraulic transmission | |
| CN102678669A (en) | Travel-adjustable hydraulic oil cylinder | |
| CN204644098U (en) | A kind of gap automatic-adjusting device for folded spiral shell formula sludge dewatering equipment back pressure plate | |
| CN108825566A (en) | A kind of engineering machinery and its hydraulic transmission | |
| CN204512736U (en) | A kind of two flange limit expansion joint | |
| CN106870499A (en) | A kind of damping buffering valve | |
| CN207999427U (en) | A kind of anti-loose structure of fast cylinder locking nut | |
| CN208898418U (en) | A kind of hydraulic jack automatic lubrication installation | |
| CN111425484A (en) | Oil cylinder tail end buffering device | |
| CN202132311U (en) | Oil cylinder clevis for self-correcting and buffering installation angle | |
| CN203742983U (en) | Screw pump adjusting device of fully automatic concrete high-speed spraying machine | |
| CN210049080U (en) | Rubber vibration-damping damper | |
| CN109578726B (en) | Expansion joint for filling pipeline | |
| CN208010692U (en) | Hydraulic cylinder of the cylinder bottom with relief hole | |
| CN217421993U (en) | Damping-adjustable viscous damper with slender damping holes | |
| CN210484481U (en) | Shock absorber additionally provided with shock absorbing steel sheet | |
| CN204052392U (en) | A kind of Bar Cooling Bed elastic damping buffer-type alignment retaining device | |
| CN218926926U (en) | Chuck device for pipe cutting machine | |
| CN215861486U (en) | Shock-absorbing mechanical device | |
| CN214171024U (en) | Pull rod device with adjustable length | |
| CN208364824U (en) | A kind of vertical circular tube clip of elasticity | |
| CN209425032U (en) | A kind of cylinder clamping mechanism with spring | |
| CN104676161A (en) | Double-flange limiting telescopic joint | |
| CN205112484U (en) | A screw locking device for locking of tablet press pressure | |
| CN217539172U (en) | Hydraulic cylinder with buffering current-limiting capability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |