CN110253491A - Pressure pin device - Google Patents
Pressure pin device Download PDFInfo
- Publication number
- CN110253491A CN110253491A CN201910582751.1A CN201910582751A CN110253491A CN 110253491 A CN110253491 A CN 110253491A CN 201910582751 A CN201910582751 A CN 201910582751A CN 110253491 A CN110253491 A CN 110253491A
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- Prior art keywords
- ejector pin
- bar
- fixing piece
- detent
- pin
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- 238000009825 accumulation Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 241000270728 Alligator Species 0.000 description 1
- 241000270722 Crocodylidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The present invention provides a kind of pressure pin devices, are related to assembling tool technical field, which includes fixing piece, guide part, ejector pin part and elastomeric element；Elastomeric element is arranged between ejector pin part and fixing piece, ejector pin part can be mobile close to or far from fixing piece, and ejector pin part it is mobile close to fixing piece when, elastomeric element accumulation of energy, ejector pin part can be driven mobile far from fixing piece by elastic force after elastomeric element accumulation of energy, so that ejector pin part pushes pin shaft to be inserted into the pin hole of part to be installed or release ejector pin part from the pin hole of part to be installed pin shaft.Compared with prior art, the configuration of the present invention is simple, and cumbersome oil circuit is not needed, equipment volume is small, conveniently moving；It does not need to brandish hammer, avoids and brandish hammer and collide surrounding or thwacker, eliminate the things bring security risk to thwacker or surrounding.
Description
Technical field
The present invention relates to assembling tool technical fields, more particularly, to a kind of pressure pin device.
Background technique
Excavator is commonly used equipment in the work progress such as road, and the bucket tooth on the scraper bowl of excavator is according to different
Need or will do it after wearing replacement.Toothholder is welded on the scraper bowl of existing structure, bucket tooth is attached by pin shaft and toothholder,
When specific bucket tooth and toothholder are attached, it usually needs pin shaft is encased in the pin shaft hole of bucket tooth and toothholder using mounting mechanism
It is interior.
Existing assemble mechanism generally uses special hydraulic pressing tool, and equipment is larger, mobile inconvenient；Or artificial hand
It is dynamic that ejector pin bar is struck using hammer, when pin shaft being knocked in or knocked out pin shaft hole, waste of manpower, and being struck due to hammer, warp
Hand steered crown bar pin is often needed, is also easy to bring huge security risk to the things of thwacker or surrounding.
Not only in the bucket tooth installation process of excavator, there are the above problems, need pin shaft to be filled in other similar
In the mechanism matched, there is also the above problems for the mounting mechanism of pin shaft.
Summary of the invention
The purpose of the present invention is to provide a kind of pressing mechanisms, and to solve, existing hydraulic pressing tool is bulky, moves
Move inconvenient technical problem.
Pressure pin device provided by the invention, including fixing piece, guide part, ejector pin part and elastomeric element；
The elastomeric element is arranged between the ejector pin part and fixing piece, and the ejector pin part can be close to or far from described
Fixing piece is mobile；The guide part is used to be oriented to the ejector pin part, so that the ejector pin part moves along a straight line；
When the ejector pin part is mobile close to the fixing piece, the elastomeric element accumulation of energy, energy after the elastomeric element accumulation of energy
It is mobile far from the fixing piece that the ejector pin part is enough driven by elastic force, so that the ejector pin part pushes pin shaft to be inserted into part to be installed
Pin hole in or release ejector pin part pin shaft from the pin hole of part to be installed.
Further, the elastomeric element is spring.
Further, the pressure pin device further includes handle, and the handle is connect with the ejector pin part, and the handle is used for
Push the ejector pin part mobile close to the fixing piece.
Further, the pressure pin device further includes supporting element, and the supporting element is arranged in the fixing piece and the top
Between pin member；
The handle includes operating stick and connecting rod, and the operating stick is cut with scissors close to one end of the ejector pin part and the supporting element
It connecing, the connecting rod is connected between the operating stick and the ejector pin part, and one end of the connecting rod and the operating stick are hinged,
The other end of the connecting rod and the ejector pin part are hinged.
Further, the pressure pin device further includes fixed frame, and one of side wall of the fixed frame is as described solid
Determine part, the supporting element is the support rod being connected on the fixed frame, and the ejector pin part and elastomeric element setting exist
In the frame of the fixed frame.
Further, the ejector pin part includes sliding block and ejector pin bar, and the sliding block is slidably arranged on the fixed frame,
The elastomeric element is arranged between the sliding block and the fixing piece；The ejector pin bar is connected to the sliding block far from described solid
Determine the side of part, the ejector pin bar with pin shaft for abutting, to push the pin shaft.
Further, the guide part is the guide rod being arranged on the fixed frame, the sliding block and the ejector pin bar
On be coaxially arranged with pilot hole, the sliding block and the ejector pin bar are slidably set in the guide rod by the pilot hole
On.
Further, the pressure pin device further includes locating part, and the locating part is pre- for being moved in the ejector pin part
If when position, it is mobile to limit the ejector pin part.
Further, the ejector pin part is connected with detent bar, the shifting of the length direction of the detent bar and the ejector pin part
Dynamic direction is consistent, is arranged at intervals with multiple detents along its length on the detent bar；
The pressure pin device further includes gag lever post, and the gag lever post is hinged on the supporting element, and the gag lever post
Wherein one end can be abutted with one of detent in multiple detents, to limit the movement of the ejector pin part.
Further, the middle part of the gag lever post and the supporting element are hinged, the gag lever post far from itself and detent bar
One end of abutting is operating side, and the operating side is for driving gag lever post around the articulated position of the gag lever post and the supporting element
Rotation, so that gag lever post abuts with the detent of detent bar close to one end of detent bar or keeps gag lever post de- close to one end of detent bar
Detent from the detent bar.
Further, the detent is convex block or groove.
Further, the detent bar is arranged between the fixing piece and the ejector pin part, and the detent bar is located at
The lower section of the elastomeric element, and the downside of the detent bar is arranged in the detent of the detent bar；
The fixed frame, which corresponds to below the detent bar, is provided with limit spring, the upper end of the limit spring and institute
State gag lever post close to the detent bar one end connect, and the limit spring have make the gag lever post close to the detent bar
One end trend mobile to the detent bar.
Further, be additionally provided with limited block on the supporting element, the limited block setting the gag lever post with it is described
The top of supporting element articulated position.
Further, the fixed frame is provided with the accommodating space of part to be installed far from one end of the fixing piece, described
Fixed frame corresponds to the accommodating space and is provided with the locating piece for positioning the part to be installed.
Further, be provided with location hole on the fixed frame side opposite with the fixing piece, the location hole with
The guide rod coaxial arrangement；
The location hole is used to position the position of the pin shaft of part to be installed.
Further, the pressure pin device further includes extension bar, and the extension bar can be detachably connected with the handle.
Pressure pin device provided by the invention includes fixing piece, ejector pin part, guide part and elastomeric element.Pressure pin device of the present invention
It is acted on using the accumulation of energy of elastomeric element, can be mobile towards fixing piece by ejector pin part by manually waiting under the guiding of guide part, make
Elastomeric element accumulation of energy；After accumulation of energy reaches requirement, ejector pin part is unclamped, ejector pin part is under the guiding of guide part, by elastomeric element
Elastic force impulses pin shaft.Specifically, for example, part to be installed is bucket tooth and toothholder, when dismantling or installing pin shaft, first by top
Pin member is directed at one end of pin shaft, and when for needing to dismantle pin shaft, ejector pin part is made under the guiding of guide part by the elastic force of elastic component
With impact pin shaft, by the pin shaft hole of pin shaft ejection bucket tooth and toothholder, so that pin shaft be removed, bucket tooth and toothholder are realized
Quick separating；When for needing to install pin shaft, ejector pin part is under the guiding of guide part, by the elastic force impulses pin of elastic component
Axis enters pin shaft in the pin shaft hole of bucket tooth and toothholder, bucket tooth and toothholder is installed.Pressure pin device of the present invention is compared to existing
The hydraulic pressing tool construction having is simple, and does not need cumbersome oil circuit, and equipment volume is small, conveniently moving；It is artificial compared to existing
Manually using hammer impact ejector pin bar by the way of, due to ejector pin part to fixing piece direction move when, can by way of promotion etc.,
It does not need to brandish hammer, and since the guiding role of guide rod, ejector pin part can accurately be directed at pin shaft, avoids and brandish hammer and touch
Surrounding or thwacker are bumped against, the things bring security risk to thwacker or surrounding is eliminated.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the axonometric drawing of pressure pin device provided in an embodiment of the present invention；
Fig. 2 is the schematic front view of pressure pin device provided in an embodiment of the present invention and part to be installed cooperation；
Fig. 3 is the schematic diagram of the fixed frame of pressure pin device provided in an embodiment of the present invention.
Icon: 1- fixed frame；101- fixing piece；2- locating piece；3- guide rod；4- ejector pin bar；5- sliding block；6- connecting rod；7-
Supporting element；8- spring；9- operating stick；10- extension bar；11- detent bar；12- limited block；13- gag lever post；14- limit spring；
15- ejector pin part；16- location hole.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Referring to Fig.1 shown in-Fig. 3, the present embodiment provides a kind of pressure pin devices, including fixing piece 101, ejector pin part 15, guiding
Part and elastomeric element.
Wherein, elastomeric element is arranged between ejector pin part 15 and fixing piece 101, and ejector pin part 15 can be close to or far from fixation
Part 101 is mobile, and guide part is used to be oriented to ejector pin part 15, so that the ejector pin part 15 moves along a straight line.Ejector pin part 15 is close to solid
When determining the movement of part 101, elastomeric element accumulation of energy can drive ejector pin part 15 far from fixing piece after elastomeric element accumulation of energy by elastic force
101 is mobile, so that ejector pin part 15 pushes pin shaft to be inserted into the pin hole of part to be installed or makes ejector pin part 15 by pin shaft from part to be installed
Pin hole in release.
Elastomeric element should have accumulation of energy performance in the present embodiment, and after external force removes, and elastomeric element can be quick
Discharge its energy stored；That is, elastomeric element is after the completion of accumulation of energy, it can be to 15 1 biggish impact forces of ejector pin part.The bullet
Property component can be spring 8 of circlip, disc spring and column type etc..The present embodiment is illustrated by taking spring 8 as an example.
Pressure pin device of the embodiment of the present invention is acted on using the accumulation of energy of elastomeric element, can by manually it is equal by ejector pin part 15 towards
Fixing piece 101 is mobile, makes elastomeric element accumulation of energy；After accumulation of energy reaches requirement, ejector pin part 15 is unclamped, ejector pin part 15 is in guide part
Under guiding, by the elastic force impulses pin shaft of elastomeric element.Specifically, in the present embodiment by taking the connection of bucket tooth and toothholder as an example into
Row explanation.When dismantling or installing pin shaft, ejector pin part 15 is first directed to one end of pin shaft, when for needing to dismantle pin shaft, top
Pin member 15 can impact pin shaft under the effect of the elastic force of elastic component, by the pin shaft hole of pin shaft ejection bucket tooth and toothholder, thus by pin shaft
It is removed, realizes the quick separating of bucket tooth and toothholder；When for needing to install pin shaft, ejector pin part 15 can be in the bullet of elastic component
Power effect is lower to impact pin shaft, enters pin shaft in the pin shaft hole of bucket tooth and toothholder, bucket tooth and toothholder are installed.
Pressure pin device of the embodiment of the present invention is simple compared to existing hydraulic pressing tool construction, and does not need cumbersome oil
Road, equipment volume is small, conveniently moving；Compared to it is existing manually using hammer strike ejector pin bar 4 by the way of, due to ejector pin part 15
It when mobile to 101 direction of fixing piece, can not need to brandish hammer by way of promotion etc., avoid and brandish hammer and collide
Surrounding or thwacker eliminate the things bring security risk to thwacker or surrounding.
As a preferred embodiment of the present invention, in the present embodiment, pressure pin device further includes handle, handle and top
Pin member 15 connects, and handle is for pushing ejector pin part 15 mobile close to fixing piece 101.
With continued reference to shown in Fig. 1-Fig. 2, as a kind of preferred constructive form of handle, handle includes operating stick 9 and connecting rod
6.Pressure pin device further includes supporting element 7, and supporting element 7 is arranged between fixing piece 101 and ejector pin part 15, and operating stick 9 is close to ejector pin
One end of part 15 and supporting element 7 are hinged, and connecting rod 6 is connected between operating stick 9 and ejector pin part 15, and one end of connecting rod 6 and operation
Bar 9 is hinged, and the other end and ejector pin part 15 of connecting rod 6 are hinged.Specifically, 6 both ends of connecting rod pass through with sliding block 5 and operating stick 9 respectively
Revolute pair connection.
It is understood that the handle arrangement in the present embodiment preferred embodiment, handle can be driven by the rotation of connecting rod 6 and be pushed up
Pin member 15 is mobile.That is, when operating stick 9 is rotated around the hinge joint of itself and supporting element 7, effect of the corresponding connecting rod 6 in operating stick 9
Lower rotation, and drive ejector pin part 15 mobile close to or far from fixing piece 101.This kind of mode of operation is simple, and compares and push directly on
The mode of ejector pin part 15, it is more laborsaving.
The form of corresponding the present embodiment handle, the present embodiment pressure pin device further include extension bar 10, during extension bar 10 can be
Blank pipe, corresponding its can cover in operating stick 9, by extension bar 10 applied force can realize the energy storage of spring 8.
It should be noted that extension bar and operating stick are not limited to the form of socket, other modes being detachably connected can also, benefit
In being bolted etc..
With continued reference to shown in Fig. 1-Fig. 3, as a kind of specific constructive form of pressure pin device of the present invention, pressure pin device includes
Fixed frame 1, brace foundation of the fixed frame 1 as other components.In the present embodiment, fixed frame 1 is substantially rectangular square box,
For the left side wall of middle fixed frame 1 as fixing piece 101, supporting element 7 is the support rod being connected on fixed frame 1, ejector pin part 15 and
Elastomeric element is arranged in the frame of fixed frame 1.
Specifically, ejector pin part 15 includes sliding block 5 and ejector pin bar 4, sliding block 5 is slidably arranged in the opposite of fixed frame 1
On two sidewalls, spring 8 is arranged between sliding block 5 and fixing piece 101；Ejector pin bar 4 is connected to one of sliding block 5 far from fixing piece 101
Side, ejector pin bar 4 with pin shaft for abutting, to push pin shaft.
It is understood that sliding block 5 cooperates the form of ejector pin bar 4, one side sliding block 5 can be rationally arranged greatly as needed
It is small, to increase the contact area of spring 8 Yu sliding block 5, be conducive to the spring 8 for selecting suitable dimension；It on the other hand, can be according to pin shaft
Sizes selection ejector pin bar 4 size, it is corresponding to reduce ejector pin bar 4 correspondingly, the ejector pin bar 4 of small diameter may be selected
With the contact area of pin shaft, ejector pin bar 4 is improved to the pressure of pin shaft.That is, ejector pin part 15 passes through the shape of sliding block 5 and ejector pin bar 4
Formula improves the stability and delivery efficiency of device so that each section can carry out the selection matching of optimal form.
As shown in the figures 1 and 2, fixed frame 1 is provided with guide rod 3 along the moving direction of sliding block 5, and guide rod 3 is guide part,
That is, the left side wall as fixing piece 101, which extends to the right, is connected with guide rod 3, it is coaxially arranged with and leads on sliding block 5 and ejector pin bar 4
Xiang Kong, sliding block 5 and ejector pin bar 4 are slidably set on guide rod 3 by pilot hole.
Be understood that but, ejector pin bar 4 is equivalent to hollow pipe, the assembly of sliding block 5 and ejector pin bar in the present embodiment
Cylindrical pair is equivalent to guide rod 3 to connect, but under the constraint of the top and bottom sidewall in fixed frame 1, only transport along the direction of guide rod 3
It is dynamic.
As a kind of optional form, threaded hole, 3 spiral shell of guide rod are provided on the side as fixing piece 101 of fixed frame 1
Line is connected in the threaded hole.
It should be noted that the structure type of fixed frame 1 is not limited to the square box provided in embodiment, shape can basis
It is reasonably selected, and the type of attachment of sliding block 5 and fixed frame 1, is also not necessarily limited to the form provided in embodiment, such as
Can be slidably connected by the both ends of guide rail and sliding block 5 by being provided with guide rail in fixed frame 1, replace sliding block 5 directly with
The form etc. that the two opposite sides of fixed frame 1 are slidably connected.
As an alternative embodiment of the present invention, in the present embodiment, pressure pin device further includes locating part, and locating part is used for
When ejector pin part 15 is moved to predeterminated position, limitation ejector pin part 15 is mobile.
Specifically, referring to Fig.1 or shown in 2, locating part includes 11 He of detent bar for pressure pin device in this present embodiment
Gag lever post 13.Specifically, ejector pin part 15 is connect with detent bar 11, the length direction of detent bar 11 and the mobile side of ejector pin part 15
To consistent, multiple detents are arranged at intervals on detent bar 11 along its length.The middle part of gag lever post is hinged (the specific can be that logical
Cross shaft connection) on supporting element 7, and wherein one end of gag lever post 13 can be supported with one of detent in multiple detents
It connects, to limit the movement of ejector pin part 15.Wherein, gag lever post is operating side, operation far from its one end abutted with detent bar 11
It holds for driving gag lever post 13 to rotate around the articulated position of gag lever post 13 and supporting element 7, so that gag lever post is close to detent bar 11
The detent that one end abuts with the detent of detent bar 11 or gag lever post is made to be detached from detent bar 11 close to one end of detent bar 11.
It is understood that detent bar 11 can be moved together with sliding block 5.Detent can be to concave on detent bar 11
Sunken groove, can also on detent bar 11 outwardly convex convex block, either groove or convex block can all abut with gag lever post.
As a kind of concrete form, referring to Fig.1 shown in-Fig. 2, the setting of detent bar 11 fixing piece 101 and ejector pin part 15 it
Between, and detent bar 11 is located at the lower section of spring 8, and the downside of detent bar 11 is arranged in the detent of detent bar 11；Fixed frame 1 is right
The lower section of detent bar 11 should be provided with limit spring 14, the upper end of limit spring 14 and gag lever post are close to one end of detent bar 11
Connection (can be abutting), and limit spring 14 has make gag lever post close to one end of detent bar 11 to the movement of detent bar 11 becoming
Gesture.
It is additionally provided with limited block 12 on supporting element 7, the upper of gag lever post and 7 articulated position of supporting element is arranged in limited block 12
Side.The effect of limited block 12 limits 13 moving range of gag lever post, and gag lever post 13 is avoided to follow detent bar 11 mobile.
It is understood that multiple detents are arranged at intervals on detent bar 11 along its length, correspondingly, gag lever post 13 with
When the detent of different location abuts, the sliding block 5 connected from detent bar 11 can be at different positions, that is, handle band movable slider 5
And ejector pin bar 4 can be fixed when being moved to different location in the direction of movement by detent bar 11 and gag lever post 13, it is real
The compression needs according to spring 8, the fixation to sliding block 5 and ejector pin bar 4 are showed.For example, corresponding to Fig. 1-shape shown in Fig. 2
Formula when needing the energy storage of spring 8 larger, can pull sliding block 5 and ejector pin bar 4 to be moved to the relatively peri position of fixing piece 101 by handle
It sets, the farther away detent of fixing piece 101 at a distance from detent bar 11 of gag lever post 13 is clamped at this time, so that spring 8 can be tieed up
Hold the state in larger energy storage；When needing the energy storage of spring 8 smaller, sliding block 5 and ejector pin bar 4 can be pulled to be moved to by handle solid
Determine the remote position of part 101, gag lever post closer detent of fixing piece 101 at a distance from detent bar 11 is clamped at this time,
So that spring 8 is able to maintain that the state in smaller energy storage.
The placement of part to be installed for convenience, in the present embodiment, fixed frame 1 is direction frame, namely as shown in Figure 1-Figure 3,
The front-rear direction (perpendicular to the direction of paper in Fig. 2) of fixed frame 1 is the through-hole type of connection.Fixed frame 1 is far from fixing piece 101
One end is provided with the accommodating space of part to be installed, and the corresponding accommodating space of fixed frame 1 is provided with the locating piece 2 for positioning part to be installed.
Wherein, locating piece 2 can be positioning rubber.For the form of bucket tooth and toothholder, as shown in Fig. 2, positioning rubber with
The side of part namely toothholder or bucket tooth contact to be installed is plagiohedral.
Locating piece 2 is used for the positioning of fixed frame and part to be installed (namely bucket tooth and toothholder), guarantees bucket tooth, alligator and guiding
Bar 3 is in coaxial position.
In order to preferably make ejector pin bar 4 concordant with pin shaft, it is arranged on the side opposite with the fixing piece of fixed frame 1
There is location hole 16, location hole 16 and guide rod 3 are coaxially disposed, and location hole 16 is used to position the position of the pin shaft of part to be installed,
It is also the access hole of pin shaft.
Extension bar can be first socketed in the operating stick 9 of handle by the present embodiment pressure pin device when in use.Then, as schemed
Shown in 2, toothholder and bucket tooth are first passed through to the front and back side of fixed frame 1, are placed in accommodating space, and consolidated by positioning rubber
Determine and adjust, so that bucket tooth and the pin shaft hole of toothholder connection are aligned setting with ejector pin bar 4.For needing to dismantle the form of pin shaft,
At this point, pin shaft is also aligned with ejector pin bar 4, pushes extension bar 10 and rotated with fixed handle, 5 compressed spring 8 of sliding block stores up spring 8 at this time
Can, in place after, first pass through gag lever post 13 and be connected on detent bar 11, sliding block 5 at this time is fixed.By extension bar 10 from hand
It is disassembled on handle, then, the operating side for pressing gag lever post 13 rotates gag lever post 13, and gag lever post 13 is detached from the card of detent bar 11
Position is detached from pin shaft from pin shaft hole at this point, sliding block 5 drives ejector pin bar 4 to impact to pin shaft rapidly under the action of spring 8.
For needing to install the form of pin shaft, before handle compressed spring 8, need that one end of pin shaft is first inserted into pin
In axis hole, subsequent operation is similar to disassembly pin shaft, and it is no longer repeated herein.
It should be noted that not being the form for being difficult to extract for pin shaft connection, and the length of pin shaft is big when dismounting hinge pin
In the form of axis hole, ejector pin bar 4 can only be pushed up pin shaft to concordant with the outer of pin shaft hole close to one end of ejector pin bar 4, accordingly
At this point, the one end of pin shaft far from ejector pin bar 4 can expose long distance, at this time can be by way of man-hour manually hand-held by pin
Axis is extracted.It is directed to the cooperation of the pin shaft and axis hole of general type, the outer diameter of ejector pin bar 4 should be slightly less than the internal diameter of pin shaft hole,
Pin shaft is ejected out of pin shaft hole completely so that ejector pin bar 4 is able to enter pin shaft hole.
It should also be noted that, the present embodiment in, gag lever post 13 be detached from detent when, gag lever post 13 should be moved to not with limit
The position that position spring 14 contacts, contacts to avoid gag lever post 13 with detent bar 11, generates frictional force, so that the accumulation of energy benefit of spring 8
It is reduced with rate.Naturally, even if gag lever post 13 is still contacted with detent bar 11, at this point, since detent bar 11 and gag lever post are smooth surface
Contact, spring 8 can naturally also overcome frictional force between the two that ejector pin part 15 is driven to act under energy accumulating state.
Strut device of the embodiment of the present invention is lever design and crank block design perfect combination together, it is only necessary to compared with
Small external force can make mechanism obtain larger elastic potential energy, main operational principle are as follows: first balance pivot (operating stick 9 with
Hinge joint between supporting element 7) distal end (position of extension bar 10) apply external force, which passes to sliding block 5, band by handle
The movement of movable slider 5 carrys out 8 stored energy of compressed spring, after pull gag lever post 13, release elastic potential energy pushes the ejector pin bar on sliding block 5
4 movements have many advantages, such as that structure is simple, small in size, power output is big, versatile to realize the assembly and disassembly of pin shaft.
Strut device of the embodiment of the present invention the utility model has the advantages that
1. it is small in size, be easy to position, it is easy to carry.
2. structure design is simple, strong real-time, high reliablity, is easily achieved.
3. extra power source is not needed, conducive to the assembly and disassembly in excavator bucket teeth field.
4. being applicable to the pin assembling/disassemblings such as different alligators by the ejector pin bar and spring that change different size, it is applicable in model
It encloses wide.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (16)
1. a kind of pressure pin device, which is characterized in that the pressure pin device includes fixing piece (101), guide part, ejector pin part (15) and
Elastomeric element；
The elastomeric element is arranged between the ejector pin part (15) and fixing piece (101), and the ejector pin part (15) can be close
Or it is mobile far from the fixing piece (101)；The guide part is used to be oriented to the ejector pin part (15), so that the ejector pin part
(15) it moves along a straight line；
When the ejector pin part (15) is mobile close to the fixing piece (101), the elastomeric element accumulation of energy, the elastomeric element accumulation of energy
After can drive the ejector pin part (15) mobile far from the fixing piece (101) by elastic force so that the ejector pin part (15) pushes away
Dynamic pin shaft is inserted into the pin hole of part to be installed or releases ejector pin part (15) from the pin hole of part to be installed pin shaft.
2. pressure pin device according to claim 1, which is characterized in that the elastomeric element is spring (8).
3. pressure pin device according to claim 1 or 2, which is characterized in that the pressure pin device further includes handle, the hand
Handle is connect with the ejector pin part (15), and the handle is for pushing the ejector pin part (15) mobile close to the fixing piece (101).
4. pressure pin device according to claim 3, which is characterized in that the pressure pin device further includes supporting element (7), described
Supporting element (7) is arranged between the fixing piece (101) and the ejector pin part (15)；
The handle includes operating stick (9) and connecting rod (6), the one end and institute of the operating stick (9) close to the ejector pin part (15)
State supporting element (7) hingedly, the connecting rod (6) is connected between the operating stick (9) and the ejector pin part (15), and the connecting rod
(6) hingedly, the other end of the connecting rod (6) and the ejector pin part (15) are hinged for one end and the operating stick (9).
5. pressure pin device according to claim 4, which is characterized in that the pressure pin device further includes fixed frame (1), described
For one of side wall of fixed frame (1) as the fixing piece (101), the supporting element (7) is to be connected to the fixed frame (1)
On support rod, the ejector pin part (15) and the elastomeric element are arranged in the frame of the fixed frame (1).
6. pressure pin device according to claim 5, which is characterized in that the ejector pin part (15) includes sliding block (5) and top
Pin rod (4), the sliding block (5) are slidably arranged on the fixed frame (1), elastomeric element setting the sliding block (5) with
Between the fixing piece (101)；The ejector pin bar (4) is connected to the side of the sliding block (5) far from the fixing piece (101),
The ejector pin bar (4) with pin shaft for abutting, to push the pin shaft.
7. pressure pin device according to claim 6, which is characterized in that the guide part is to be arranged in the fixed frame (1)
On guide rod (3), be coaxially arranged with pilot hole on the sliding block (5) and the ejector pin bar (4), the sliding block (5) and described
Ejector pin bar (4) is slidably set on the guide rod (3) by the pilot hole.
8. pressure pin device according to claim 1, which is characterized in that the pressure pin device further includes locating part, the limit
Position part is used for when the ejector pin part (15) is moved to predeterminated position, and it is mobile to limit the ejector pin part (15).
9. according to the described in any item pressure pin devices of claim 5-7, which is characterized in that the ejector pin part (15) is connected with detent
Bar (11), the length direction of the detent bar (11) is consistent with the moving direction of the ejector pin part (15), the detent bar (11)
On be arranged at intervals with multiple detents along its length；
The pressure pin device further includes gag lever post (13), and the gag lever post (13) is hinged on the supporting element (7), and the limit
Wherein one end of position bar (13) can be abutted with one of detent in multiple detents, to limit the ejector pin part (15)
Movement.
10. pressure pin device according to claim 9, which is characterized in that the middle part of the gag lever post (13) and the support
Hingedly, the gag lever post (13) is operating side far from its one end abutted with detent bar (11) to part (7), and the operating side is used for
The articulated position of gag lever post (13) around the gag lever post (13) and the supporting element (7) is driven to rotate, so that gag lever post (13) leans on
One end of nearly detent bar (11) abuts with the detent of detent bar (11) or keeps gag lever post (13) de- close to the one end of detent bar (11)
Detent from the detent bar (11).
11. pressure pin device according to claim 9, which is characterized in that the detent is convex block or groove.
12. pressure pin device according to claim 9, which is characterized in that the detent bar (11) is arranged in the fixing piece
(101) between the ejector pin part (15), and the detent bar (11) is located at the lower section of the elastomeric element, and the detent bar
(11) detent is arranged in the downside of the detent bar (11)；
The fixed frame (1), which corresponds to below the detent bar (11), is provided with limit spring (14), the limit spring
(14) upper end is connect with the gag lever post (13) close to one end of the detent bar (11), and the limit spring (14) has
Make the trend that the gag lever post (13) are mobile to the detent bar (11) close to one end of the detent bar (11).
13. pressure pin device according to claim 12, which is characterized in that be additionally provided with limited block on the supporting element (7)
(12), top of limited block (12) setting in the gag lever post (13) and the supporting element (7) articulated position.
14. pressure pin device according to claim 7, which is characterized in that the fixed frame (1) is far from the fixing piece
(101) one end is provided with the accommodating space of part to be installed, and the corresponding accommodating space of the fixed frame (1) is provided with positioning institute
State the locating piece (2) of part to be installed.
15. pressure pin device according to claim 14, which is characterized in that the fixed frame (1) and the fixing piece (101)
It is provided on opposite side location hole (16), the location hole (16) and the guide rod (3) are coaxially disposed；
The location hole (16) is used to position the position of the pin shaft of part to be installed.
16. pressure pin device according to claim 3, which is characterized in that the pressure pin device further includes extension bar (10), institute
Stating extension bar (10) and the handle can be detachably connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910582751.1A CN110253491B (en) | 2019-06-28 | 2019-06-28 | Pin pressing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910582751.1A CN110253491B (en) | 2019-06-28 | 2019-06-28 | Pin pressing device |
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| CN110253491A true CN110253491A (en) | 2019-09-20 |
| CN110253491B CN110253491B (en) | 2024-06-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111085964A (en) * | 2019-12-09 | 2020-05-01 | 红塔烟草(集团)有限责任公司 | Bearing adapter sleeve loosening device with self-impact mechanism |
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