CN208883299U - Gravity self-locking mechanism and the self-locking pipe fitting fixture for using the mechanism - Google Patents
Gravity self-locking mechanism and the self-locking pipe fitting fixture for using the mechanism Download PDFInfo
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- CN208883299U CN208883299U CN201821355091.0U CN201821355091U CN208883299U CN 208883299 U CN208883299 U CN 208883299U CN 201821355091 U CN201821355091 U CN 201821355091U CN 208883299 U CN208883299 U CN 208883299U
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Abstract
The utility model relates to gravity self-locking mechanism and use the self-locking pipe fitting fixture of the mechanism.The self-locking mechanism includes lockset and fixture, lockset includes being vertically connected at closure member close to the articulated stand of open-mouth outer wall, the hinged platform pin shaft that self-locking plate one end of articulated stand and arc-shaped semicircular is arranged is hinged, the other end of self-locking plate is equipped with elastic locking bar, and two self-lock rod bottoms cooperate respectively with two self-locking via clearances and top is connect by the way that cross bar is vertical；The fixture includes being set to closure member close to the wedge block of open-mouth outer wall, and wedge block is equipped with the lockhole of two with elastic locking bar cooperation.It is simple using the self-locking pipe fitting clamp structure of the mechanism, it is ingenious in design, effectively column can be clamped, operation is promoted and self-locking security protection is carried out in clamping process to it, on the basis of guaranteeing operation safety, increase substantially working efficiency.
Description
Technical field
The utility model belongs to machinery equipment field more particularly to gravity self-locking mechanism and the self-locking pipe using the mechanism
Part fixture.
Background technique
Currently, either building field or municipal administration and power engineering, is often related to turning for some large-scale round tube parts
Fortune, such as tubular pole, the municipal subsoil drain and electric stringing bar etc. of building field, due to these round tube parts are relatively large in diameter,
Also there is certain length, so cause its weight that the impersonal force rank that can carry and be promoted is presented, this result in its carrying,
The operation of hoist links is very difficult, such as loading and Discharging Process on transport vehicle, its shape is cylindrical in addition, uses
When the tools such as fork truck are carried, it is easy to appear the phenomenon that rolling is landed, the damage of cylinder, round tube part is not only resulted in, also easily makes
At personal injury.It mostly uses lifting mode to carry out these big weight round tube parts in currently available technology, i.e., is matched by lifting machine
It closes multiple tracks hawser round tube part is lifted by crane and transported.But this mode is not only cumbersome, but also working efficiency is very low, especially
It is to be difficult to cover hawser into the outer wall in these pipe fittings when several round tube parts mutually laminate.
Utility model content
The purpose of the utility model is to provide a kind of gravity self-locking mechanism and using the self-locking pipe fitting fixture of the mechanism, originally
Utility model is simple in sturcture, ingenious in design, can effectively be clamped to column, promotes operation and clamped to it
Self-locking security protection is carried out in journey increases substantially working efficiency on the basis of guaranteeing operation safety.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:
Gravity self-locking mechanism, the closure member including constituting gravity direction opening, further includes that be respectively arranged at closure member opposite
The lockset and fixture of two sides outer wall, the lockset include being vertically connected at closure member close to the articulated stand of open-mouth outer wall, hinge
The hinged platform pin shaft for connecing self-locking plate one end setting of bracket and arc-shaped semicircular is hinged, and hinged platform radially outward prolongs along self-locking plate
Setting is stretched, and the hinged platform of self-locking plate is equipped with self-locking through-hole, the other end of self-locking plate is equipped with elastic locking bar, two self-lock rod bottoms
Cooperate respectively with two self-locking via clearances and top is connect by the way that cross bar is vertical, cross bar middle section is vertically equipped with hack lever, and hack lever passes through
It is vertical with the gag lever post for the closure member inner wall setting that reclines after the corresponding preset elongated notch of closure member to connect；The fixture includes setting
Closure member is placed in close to the wedge block of open-mouth outer wall, wedge block is equipped with the lockhole of two with elastic locking bar cooperation.
The closure member is the component to form gravity direction opening, the cylinder of such as vertical placement and bottom opening, bottom
Open then open for gravity direction, cylinder barrel is closure member described in the utility model.
Preferably, the bottom of two self-lock rod is equipped with limited block, and the wedge surface of the wedge block is outwardly and wedge surface sharp portion
It is arranged downward.
The effect of limited block is intended to carry out self-lock rod the limit of vertical direction, prevents self-lock rod from passing through under the effect of gravity
Self-locking through-hole and move down.
Preferably, the elastic locking bar includes the body of rod across self-locking plate plate body, and the body of rod is towards the end of self-locking plate extrados
Portion is equipped with the first limit plate, and the other end is in the smooth surface shape cooperated with lockhole, and the body of rod is far from the body of rod at the first limit plate
Equipped with the second limit plate, spring is arranged on the body of rod between the second limit plate and self-locking plate.
The working principle of self-locking mechanism described in the utility model is as follows:
When the gravity direction opening of closure member does not need closing, the state of the self-locking mechanism is as follows: due to self-lock rod
The gag lever post and cross bar at top are located at the medial and lateral of closure member, so self-lock rod always can not be along direction, that is, edge of hack lever
The direction of vertical closure member is moved, can only be moved along gravity direction along parallel seal part, while limited block is set
The self-locking through-hole that can make self-lock rod bottom insertion self-locking plate is set, so self-lock rod can limit self-locking plate, i.e., certainly
Jam plate can not be rotated around the pin shaft of itself and articulated stand.So self-locking mechanism is in static and does not block when this state
The extrados of opening, self-locking plate is arranged towards closure member, intrados towards extraneous；
When needing the opening to gravity direction to close, the state of the self-locking mechanism is as follows: pre- along closure member
If the mobile hack lever of elongated notch so that hack lever drives gag lever post and cross bar and self-lock rod to move up, self-lock rod is moving up process
In, bottom is separated with the self-locking through-hole of self-locking plate, and self-locking plate is rotated around pin shaft under the effect of gravity this moment, when its non-articulated end
When being moved at fixture, wedge surface of the elastic locking bar being arranged at non-articulated end under effect of inertia along fixture wedge block is moved,
Since the thickness of wedge surface continues to increase during this, the body of rod of elastic locking bar can be made constantly to squeeze spring, until the body of rod is mobile
To lockhole, due to spring under own resilient effect continuous ejection the second limit plate, in addition the appearance of lockhole give the body of rod with
Mobile space may make body of rod quick insertion lockhole, realize the inserting of the body of rod and lockhole.And then realize fixture and lockset cooperation pair
Opening is blocked.Under this state, self-locking mechanism is in static and blocks open, and the intrados of self-locking plate is towards closure member, outer
Cambered surface is arranged towards extraneous.
Certainly, the elastic locking bar that the moulding of self-locking plate and length should meet the setting of its non-articulated end can be contacted and is inserted into
In the lockhole of fixture.
Self-locking pipe fitting fixture equipped with above-mentioned self-locking mechanism, the fixture include clamping device and self-locking mechanism, described
Clamping device includes fixed plate and the dual-rod hydraulic cylinder that is set in fixed plate, two piston rods of dual-rod hydraulic cylinder respectively with
The top for being vertically arranged at two driving plates of fixed plate two sides vertically connects, and offers strip in driving plate along its length and lacks
Mouthful, two driving plate bottoms are located at opposite direction on the plate body of bottom of the gap and are equipped with slidable holding member, and the slidable holding member includes in arc
The grip block of shape semicircular and the positioning sliding block being fixedly connected with driving plate plate body；
The positioning sliding block includes that the connecting rod connecting with driving plate plate body fixed vertical and interlinking lever end are vertically disposed
Strut；
The grip block is slidably matched with notch, and fitting groove is offered on the extrados of grip block, on grip block with outside
Limiting slot is offered on the adjacent side of cambered surface, limiting slot is connected to fitting groove and limiting slot is arranged concentrically with grip block, described
Fitting groove and connecting rod clearance fit, limiting slot and strut clearance fit；
The self-locking mechanism includes the lockset and fixture for being respectively arranged at two driving plate outer walls, and the lockset includes vertically connecting
Be connected to the articulated stand of corresponding driving plate bottom outer wall, self-locking plate one end setting of articulated stand and arc-shaped semicircular it is hinged
Platform pin shaft is hinged, and hinged platform extends radially outwardly setting along self-locking plate, and the hinged platform of self-locking plate is equipped with self-locking through-hole, self-locking
The other end of plate is equipped with elastic locking bar, and two self-lock rod bottoms cooperate respectively with two self-locking via clearances and top is vertical by cross bar
Connection, cross bar middle section are vertically equipped with hack lever, and driving plate inner wall corresponding with reclining is set after hack lever passes through the notch in corresponding driving plate
The gag lever post set vertically connects；The fixture includes the wedge block for being set to corresponding driving plate bottom outer wall, and wedge block is equipped with
Two lockholes cooperated with elastic locking bar；
The bottom of two self-lock rod is equipped with limited block；The wedge surface of the wedge block is outwardly and wedge surface sharp portion court divides into
It sets；
The elasticity locking bar includes the body of rod across self-locking plate plate body, and the body of rod is equipped with the towards the end of self-locking plate extrados
One limit plate, the other end are in the smooth surface shape cooperated with lockhole, and the body of rod is equipped with second far from the body of rod at the first limit plate
Limit plate is arranged with spring on the body of rod between the second limit plate and self-locking plate.
Preferably, the strut both ends are pierced by limiting slot and are equipped with external screw thread, and positioning screw cap is threadedly engaged with strut both ends,
The slidable holding member and notch being arranged in two driving plate are located in the same vertical plane.
Preferably, the positioning sliding block in every piece of driving plate includes the first positioning cunning that structure is identical and is arranged above and below
Block and the second positioning sliding block, the length of connecting rod of the second positioning sliding block are greater than the length of connecting rod of the first positioning sliding block, and first, second
Positioning sliding block interlinking lever end is located on same circumference.
Preferably, the extrados bottom end of the grip block is equipped with installation notch, installation notch and limiting slot and fitting groove
It is connected to, plugging block, plugging block and installation notch clearance fit is detachably equipped at the installation notch.
Preferably, the intrados of two grip block is in frosted structure.
It should be noted that the utility model pertains only to the lifting clamp on basis, it, can be practical new by this when specifically used
There is the cooperation of device described in type the equipment of transport function to use.
Utility model works principle is as follows:
The utility model is moved at round tube part first, so that round tube part is located between two grip blocks.This is practical new
Type is in elongation state now at original state, i.e. the two of dual-rod hydraulic cylinder piece piston rod, and grip block not yet contacts circle this moment
Pipe fitting, so grip block is located at vertical height lowest part in self gravity state.And due to the gag lever post and cross at the top of self-lock rod
Bar is located at the medial and lateral of corresponding driving plate, so self-lock rod can not be always along perpendicular drive plate along the direction of hack lever
Direction is moved, and can only be moved along gravity direction along parallel drive plate, while the setting of limited block can make certainly
The self-locking through-hole of self-locking plate is inserted into locking bar bottom, so self-lock rod can limit self-locking plate, i.e., self-locking plate can not be around it
It is rotated with the pin shaft of articulated stand.So self-locking mechanism is in static and does not block opening, self-locking plate when this state
Extrados is towards driving plate, intrados towards extraneous, hinged platform is horizontally disposed；
Then dual-rod hydraulic cylinder controls two piston rod retractions, and drives two driving plates and two grip block out movements, when
It is clamped after two grip blocks contact round tube part, but two driving plates are still in out movement this moment, in addition grip block and fixed
Position sliding block is to be slidably matched, so two grip blocks can be moved up under the opposite effect of driving plate and round tube part, i.e. grip block
Meeting relative positioning sliding block is moved up, and grip block can move into the notch of respective drive plates in this process.Two clampings
The meeting of moving up of block is so that the round tube part while realization that are clamped by it move up operation, until grip block is moved to positioning sliding block and contacts it
Plugging block at installation notch.In this way, realizing the promotion operation of round tube part.
In the above process, when grip block soon arrives at stroke end, entering driving plate notch top block cognition will be certainly
The hack lever and gag lever post of latch mechanism push up lift upwards, so that self-lock rod moves up, self-lock rod is during moving up, bottom and self-locking plate
Self-locking through-hole separation, this moment self-locking plate under the effect of gravity around pin shaft rotate, when its non-articulated end is moved at fixture,
Wedge surface of the elastic locking bar being arranged at non-articulated end under effect of inertia along fixture wedge block moves, due to wedge surface during being somebody's turn to do
Thickness continues to increase, and the body of rod of elastic locking bar can be made constantly to squeeze spring, until the body of rod is moved at lockhole, since spring exists
Continuous the second limit plate of ejection under own resilient effect, the appearance of lockhole gives the body of rod with mobile space in addition, may make the body of rod
Quick insertion lockhole realizes the inserting of the body of rod and lockhole.And then realize fixture and lockset cooperation between two drive rods and round
Gap below pipe fitting is blocked.The setting of self-locking mechanism when there is round tube part between two grip blocks primarily to be detached from
The state of emergency under, round tube part is accepted using self-locking plate, to prevent the generation of safety accident.The inner arc of self-locking plate this moment
It is arranged facing towards fixed plate, extrados towards extraneous.
Certainly, the elastic locking bar that the moulding of self-locking plate and length should meet the setting of its non-articulated end can be contacted and is inserted into
In the lockhole of fixture.And body of rod length of the self-lock rod from more than limited block should meet: when round tube part will be promoted to stroke
Terminal point can make grip block top and beam contact and realize rising, otherwise will appear self-lock rod and divide too early with self-locking plate
From, and round tube part is not yet in place, and then self-locking plate is caused to cannot achieve self-locking by the blocking of grip block and round tube part；It is self-locking
Bar should meet from limited block body of rod length below: when round tube part reaches stroke end, self-lock rod can be by top lift to its top
Portion is separated with the self-locking through-hole of the hinged platform of self-locking plate, and otherwise self-lock rod can not be separated with hinged platform, causes self-locking plate that can not rotate
To cannot achieve self-locking function.
When needing to operate, it is only necessary to be operated i.e. with the equipment with the function of motion that the utility model is used cooperatively
It can.The equipment with the function of motion can be small-sized lifting machine etc..
The utility model may be implemented to carry out clamping promotion to the round tube part of big quality, specifically should at least adopt certainly
Clipping promotion operation is carried out with initial and end both ends of two sets of devices described in the utility model to round tube part.It should be noted that
The utility model uses the power take-off mechanism with a movement that radial clamping to round tube part can be realized and vertically to mentioning
Rise two movements.And hawser in the prior art bundlees that although artificial mobility is stronger, and complicated operation, especially when
When circle tubing circumference does not have the space of hawser nesting, such as the big quality round tube part placed on cement flooring, staff is only
Round hawser can be covered at round tube part both ends by the way of stretching the meaning, not only work consuming is time-consuming, but also the labour of staff
Intensity is very big, also easily wears hawser, ground and round tube part.Meanwhile on the basis of the utility model states function in realization, adopt
With very simple structure, not using direction-changing drive mechanisms such as connecting rod, the rocker arms of any complexity, rely solely on driving plate with
The transmission of grip block cooperates, and maintenance rate is very low, and service life is only limited by its founding materials performance itself.
More preferably, the utility model also provides more brilliant technical side to guarantee the safety of operation process
Case:
1) in order to guarantee that grip block drove round tube part moves up operation without deviation, so the application uses first, second liang
Set positioning sliding block move up to grip block the limit of glide direction, while first, second liang of set positioning sliding block can be to folder
The drawing that block carries out both direction is held, prevents grip block from rotating around the strut of positioning sliding block；
2) notch in driving plate and grip block clearance fit, the process that moves up of only grip block does not provide displacement and sky
Between compensate, while limit operation further also is carried out to the movement that moves up of grip block；
Meanwhile for grip block and the assembly of positioning sliding block consider that the grip block bottom in the utility model is equipped with
Installation notch, allow the connecting rod of positioning sliding block and strut probeed into from installation notch and respectively with fitting groove and limiting slot into
Row cooperation, while strut both ends are blocked by limit screw cap, prevent grip block from shaking phenomenon occur.When positioning sliding block with
After the assembly is completed, installation notch can be fixed by plugging block or detachable closure for grip block.
The intrados of grip block uses frosted structure basis, and the frictional force between grip block and round tube part can be improved.
The utility model compared with prior art, has the advantages that the utility model is simple in sturcture, ingenious in design, energy
It is enough that effectively column is clamped, operation is promoted and self-locking security protection is carried out in clamping process to it, guaranteeing to make
On the basis of industry safety, working efficiency is increased substantially.
Detailed description of the invention
Fig. 1 is the lockset of self-locking mechanism described in embodiment 1,2 in the structural schematic diagram that will enter under working condition；
Fig. 2 is structural schematic diagram of the self-locking mechanism under working condition described in embodiment 1,2；
Fig. 3 is the off working state structural schematic diagram of self-locking pipe fitting fixture in specific embodiment；
Fig. 4 be in specific embodiment self-locking pipe fitting fixture i.e. by working state structure schematic diagram；
Fig. 5 is the driving plate structural schematic diagram of self-locking pipe fitting fixture in specific embodiment；
Note: Fig. 1, the closure member in 2 save, and plugging block is not drawn into Fig. 4.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment 1
As shown in Figs. 1-2, gravity self-locking mechanism, the closure member including constituting gravity direction opening, further includes being respectively set
In the lockset and fixture of closure member opposite sides outer wall, the lockset includes being vertically connected at closure member close to open-mouth outer wall
12 pin shaft of hinged platform that 11 one end of self-locking plate of articulated stand 1, articulated stand 1 and arc-shaped semicircular is arranged is hinged, hinged platform
12 extend radially outwardly setting along self-locking plate 11, and the hinged platform 12 of self-locking plate 11 is equipped with self-locking through-hole 121, self-locking plate 11
The other end is equipped with elastic locking bar, and two self-lock rods, 13 bottom is respectively with two self-locking 121 clearance fits of through-hole and top passes through cross bar 131
Vertical connection, 131 middle section of cross bar are vertically equipped with hack lever 132, hack lever 132 pass through after the corresponding preset elongated notch of closure member with patch
Gag lever post 133 by the setting of closure member inner wall vertically connects；The fixture includes being set to closure member close to open-mouth outer wall
Wedge block 2, wedge block 2 are equipped with the lockhole 21 of two with elastic locking bar cooperation.The bottom of two self-lock rod 13 is equipped with limited block
134, the wedge surface of the wedge block 2 is outwardly and wedge surface sharp portion is arranged downward.The elasticity locking bar includes across 11 plate of self-locking plate
The body of rod 14 of body, the body of rod 14 are equipped with the first limit plate 141 towards the end of self-locking plate extrados, and the other end is in cooperate with lockhole 21
Smooth surface shape, the body of rod 14 far from the body of rod at the first limit plate 141 be equipped with the second limit plate 142, the second limit plate 142
Spring 143 is arranged on the body of rod between self-locking plate.
The closure member is the component to form gravity direction opening, the cylinder of such as vertical placement and bottom opening, bottom
Open then open for gravity direction, cylinder barrel is closure member described in the utility model.
The working principle of the self-locking mechanism is as follows:
When the gravity direction opening of closure member does not need closing, the state of the self-locking mechanism is as follows: due to self-lock rod
The gag lever post and cross bar at top are located at the medial and lateral of closure member, so self-lock rod always can not be along direction, that is, edge of hack lever
The direction of vertical closure member is moved, can only be moved along gravity direction along parallel seal part, while limited block is set
The self-locking through-hole that can make self-lock rod bottom insertion self-locking plate is set, so self-lock rod can limit self-locking plate, i.e., certainly
Jam plate can not be rotated around the pin shaft of itself and articulated stand.So self-locking mechanism is in static and does not block when this state
(as shown in Figure 1) is arranged towards closure member, intrados towards extraneous in the extrados of opening, self-locking plate；
When needing the opening to gravity direction to close (as shown in Figure 2), the state of the self-locking mechanism is as follows: edge
The mobile hack lever of preset elongated notch on closure member, so that hack lever drives gag lever post and cross bar and self-lock rod to move up, self-lock rod
During moving up, bottom is separated with the self-locking through-hole of self-locking plate, and self-locking plate is rotated around pin shaft under the effect of gravity this moment, when
When its non-articulated end is moved at fixture, the elastic locking bar being arranged at non-articulated end is under effect of inertia along fixture wedge block
Wedge surface is mobile, since the thickness of wedge surface continues to increase during being somebody's turn to do, the body of rod of elastic locking bar can be made constantly to squeeze spring, until
The body of rod is moved at lockhole, due to spring under own resilient effect continuous ejection the second limit plate, lockhole is given in addition
The body of rod is given with mobile space, body of rod quick insertion lockhole is may make, realizes the inserting of the body of rod and lockhole.And then realize fixture and lock
Tool cooperation blocks opening.Under this state, self-locking mechanism is in static and blocks open, the intrados direction envelope of self-locking plate
Closing member, extrados are arranged towards extraneous.
Certainly, the elastic locking bar that the moulding of self-locking plate and length should meet the setting of its non-articulated end can be contacted and is inserted into
In the lockhole of fixture.
Embodiment 2
As shown in Figs. 1-5, equipped with the self-locking pipe fitting fixture of above-mentioned self-locking mechanism, the fixture includes clamping device and oneself
Latch mechanism, the clamping device include fixed plate 3 and the dual-rod hydraulic cylinder being set in fixed plate 3 31, dual-rod hydraulic cylinder 31
Two piston rods it is vertical with the top for two driving plates 4 for being vertically arranged at fixed plate two sides respectively connect, along it in driving plate 4
Length direction offers strip notch 41, and two driving plates, 4 bottom is located at opposite be equipped on the plate body of 41 lower section of notch and slides clamping
Part, the slidable holding member include the grip block 6 of arc-shaped semicircular and the positioning sliding block that is fixedly connected with driving plate plate body；
The grip block 6 is slidably matched with notch 41, and fitting groove 61 is offered on the extrados of grip block 6, grip block 6
Offer limiting slot 62 on the upper side adjacent with extrados, limiting slot 62 is connected to fitting groove 61 and limiting slot 62 and grip block
6 are arranged concentrically；The extrados bottom end of grip block 6 is equipped with installation notch, and installation notch are connected to limiting slot 62 and fitting groove 61,
Plugging block 63, plugging block 63 and installation notch clearance fit are detachably equipped at the installation notch.The inner arc of two grip blocks 6
Face is in frosted structure.
Positioning sliding block in every piece of driving plate includes that identical structure and the first positioning sliding block 51 being arranged above and below and second are fixed
Position sliding block 52, the positioning sliding block includes 53 end vertical of connecting rod 53 and connecting rod connecting with 4 plate body fixed vertical of driving plate
The strut 54 of setting, fitting groove 61 and 53 clearance fit of connecting rod, limiting slot 62 and 54 clearance fit of strut；54 both ends of strut are pierced by
Limiting slot 62 is simultaneously equipped with external screw thread, and positioning screw cap 55 is threadedly engaged with 54 both ends of strut, the sliding being arranged in two driving plate
Clamping piece and notch are located in the same vertical plane.53 length of connecting rod of second positioning sliding block 52 is greater than the first positioning sliding block 51
53 length of connecting rod, and 53 end of the first, second positioning sliding block connecting rod is located on same circumference.
The self-locking mechanism includes the lockset and fixture for being respectively arranged at two driving plates, 4 outer wall, and the lockset includes vertical
It is connected to the articulated stand 1 of corresponding driving plate bottom outer wall, 11 one end of self-locking plate setting of articulated stand 1 and arc-shaped semicircular
12 pin shaft of hinged platform it is hinged, hinged platform 12 extends radially outwardly setting along self-locking plate, and sets on the hinged platform 12 of self-locking plate 11
Have a self-locking through-hole 121, the other end of self-locking plate 11 is equipped with elastic locking bar, two self-lock rods, 13 bottom respectively with two self-locking through-holes 121
Clearance fit and top pass through cross bar 131 and vertically connect, and 131 middle section of cross bar is vertically equipped with hack lever 132, and hack lever 132, which passes through, to be corresponded to
The vertical connection of gag lever post 133 of 4 inner wall of driving plate setting corresponding with reclining after notch 41 in driving plate 4；The fixture includes
It is set to the wedge block 2 of corresponding driving plate bottom outer wall, wedge block 2 is equipped with the lockhole 21 of two with elastic locking bar cooperation；
The bottom of two self-lock rod 13 is equipped with limited block 134；The wedge surface of the wedge block 2 is outwardly and wedge surface sharp portion court
Lower setting；
The elasticity locking bar includes the body of rod 14 across self-locking plate plate body, and the end of the body of rod 14 towards self-locking plate extrados is set
Have the first limit plate 141, the other end is in the smooth surface shape cooperated with lockhole 21, the body of rod 14 far from the first limit plate 141 at
The body of rod is equipped with the second limit plate 142, is arranged with spring 143 on the body of rod between the second limit plate and self-locking plate.
Utility model works principle is as follows:
The utility model is moved at round tube part first, so that round tube part is located between two grip blocks.This is practical new
Type is in elongation state now at original state, i.e. the two of dual-rod hydraulic cylinder piece piston rod, and grip block not yet contacts circle this moment
Pipe fitting, so grip block is located at vertical height lowest part in self gravity state.And due to the gag lever post and cross at the top of self-lock rod
Bar is located at the medial and lateral of corresponding driving plate, so self-lock rod can not be always along perpendicular drive plate along the direction of hack lever
Direction is moved, and can only be moved along gravity direction along parallel drive plate, while the setting of limited block can make certainly
The self-locking through-hole of self-locking plate is inserted into locking bar bottom, so self-lock rod can limit self-locking plate, i.e., self-locking plate can not be around it
It is rotated with the pin shaft of articulated stand.So self-locking mechanism is in static and does not block opening, self-locking plate when this state
Extrados is towards driving plate, intrados towards extraneous, hinged platform is horizontally disposed；
Then dual-rod hydraulic cylinder controls two piston rod retractions, and drives two driving plates and two grip block out movements, when
It is clamped after two grip blocks contact round tube part, but two driving plates are still in out movement this moment, in addition grip block and fixed
Position sliding block is to be slidably matched, so two grip blocks can be moved up under the opposite effect of driving plate and round tube part, i.e. grip block
Meeting relative positioning sliding block is moved up, and grip block can move into the notch of respective drive plates in this process.Two clampings
The meeting of moving up of block is so that the round tube part while realization that are clamped by it move up operation, until grip block is moved to positioning sliding block and contacts it
Plugging block at installation notch.In this way, realizing the promotion operation of round tube part.
In the above process, when grip block soon arrives at stroke end, entering driving plate notch top block cognition will be certainly
The hack lever and gag lever post of latch mechanism push up lift upwards, so that self-lock rod moves up, self-lock rod is during moving up, bottom and self-locking plate
Self-locking through-hole separation, this moment self-locking plate under the effect of gravity around pin shaft rotate, when its non-articulated end is moved at fixture,
Wedge surface of the elastic locking bar being arranged at non-articulated end under effect of inertia along fixture wedge block moves, due to wedge surface during being somebody's turn to do
Thickness continues to increase, and the body of rod of elastic locking bar can be made constantly to squeeze spring, until the body of rod is moved at lockhole, since spring exists
Continuous the second limit plate of ejection under own resilient effect, the appearance of lockhole gives the body of rod with mobile space in addition, may make the body of rod
Quick insertion lockhole realizes the inserting of the body of rod and lockhole.And then realize fixture and lockset cooperation between two drive rods and round
Gap below pipe fitting is blocked.The setting of self-locking mechanism when there is round tube part between two grip blocks primarily to be detached from
The state of emergency under, round tube part is accepted using self-locking plate, to prevent the generation of safety accident.The inner arc of self-locking plate this moment
It is arranged facing towards fixed plate, extrados towards extraneous.
Certainly, the elastic locking bar that the moulding of self-locking plate and length should meet the setting of its non-articulated end can be contacted and is inserted into
In the lockhole of fixture.And body of rod length of the self-lock rod from more than limited block should meet: when round tube part will be promoted to stroke
Terminal point can make grip block top and beam contact and realize rising, otherwise will appear self-lock rod and divide too early with self-locking plate
From, and round tube part is not yet in place, and then self-locking plate is caused to cannot achieve self-locking by the blocking of grip block and round tube part；It is self-locking
Bar should meet from limited block body of rod length below: when round tube part reaches stroke end, self-lock rod can be by top lift to its top
Portion is separated with the self-locking through-hole of the hinged platform of self-locking plate, and otherwise self-lock rod can not be separated with hinged platform, causes self-locking plate that can not rotate
To cannot achieve self-locking function.
When needing to operate, it is only necessary to be operated i.e. with the equipment with the function of motion that the utility model is used cooperatively
It can.The equipment with the function of motion can be small-sized lifting machine etc..
The utility model may be implemented to carry out clamping promotion to the round tube part of big quality, specifically should at least adopt certainly
Clipping promotion operation is carried out with initial and end both ends of two sets of devices described in the utility model to round tube part.It should be noted that
The utility model uses the power take-off mechanism with a movement that radial clamping to round tube part can be realized and vertically to mentioning
Rise two movements.And hawser in the prior art bundlees that although artificial mobility is stronger, and complicated operation, especially when
When circle tubing circumference does not have the space of hawser nesting, such as the big quality round tube part placed on cement flooring, staff is only
Round hawser can be covered at round tube part both ends by the way of stretching the meaning, not only work consuming is time-consuming, but also the labour of staff
Intensity is very big, also easily wears hawser, ground and round tube part.Meanwhile on the basis of the utility model states function in realization, adopt
With very simple structure, not using direction-changing drive mechanisms such as connecting rod, the rocker arms of any complexity, rely solely on driving plate with
The transmission of grip block cooperates, and maintenance rate is very low, and service life is only limited by its founding materials performance itself.
Claims (8)
1. gravity self-locking mechanism, the closure member including constituting gravity direction opening, which is characterized in that further include being respectively arranged at envelope
The lockset and fixture of closing member opposite sides outer wall, the lockset include being vertically connected at closure member close to the hinged of open-mouth outer wall
The hinged platform pin shaft that self-locking plate one end of bracket, articulated stand and arc-shaped semicircular is arranged is hinged, and hinged platform is along self-locking plate diameter
To the setting that extends outwardly, and the hinged platform of self-locking plate is equipped with self-locking through-hole, and the other end of self-locking plate is equipped with elastic locking bar, and two certainly
Locking bar bottom cooperates respectively with two self-locking via clearances and top is connect by the way that cross bar is vertical, and cross bar middle section is vertically equipped with hack lever,
Hack lever is vertical with the gag lever post for the closure member inner wall setting that reclines after the corresponding preset elongated notch of closure member to be connect；The card
Tool includes being set to closure member close to the wedge block of open-mouth outer wall, and wedge block is equipped with the lockhole of two with elastic locking bar cooperation.
2. gravity self-locking mechanism as described in claim 1, which is characterized in that the bottom of two self-lock rod is equipped with limited block,
The wedge surface of the wedge block is outwardly and wedge surface sharp portion is arranged downward.
3. gravity self-locking mechanism as described in claim 1, which is characterized in that the elasticity locking bar includes across self-locking plate plate body
The body of rod, the body of rod is equipped with the first limit plate towards the end of self-locking plate extrados, and the other end is in the smooth surface that cooperates with lockhole
Shape, the body of rod is equipped with the second limit plate far from the body of rod at the first limit plate, on the body of rod between the second limit plate and self-locking plate
It is arranged with spring.
4. being equipped with the self-locking pipe fitting fixture of the self-locking mechanism as described in claim 1-3 is any, which is characterized in that the fixture packet
Include clamping device and self-locking mechanism, the clamping device includes fixed plate and the dual-rod hydraulic cylinder that is set in fixed plate, double
Two piston rods of bar hydraulic cylinder are vertical with the top for two driving plates for being vertically arranged at fixed plate two sides respectively to be connect, driving plate
On offer strip notch along its length, two driving plate bottoms, which are located on the plate body of bottom of the gap, opposite is equipped with sliding clamping
Part, the slidable holding member include the grip block of arc-shaped semicircular and the positioning sliding block that is fixedly connected with driving plate plate body；
The positioning sliding block includes the connecting rod connecting with driving plate plate body fixed vertical and the vertically disposed strut of interlinking lever end；
The grip block is slidably matched with notch, and fitting groove is offered on the extrados of grip block, on grip block with extrados
Limiting slot is offered on adjacent side, limiting slot is connected to fitting groove and limiting slot is arranged concentrically with grip block, the assembly
Slot and connecting rod clearance fit, limiting slot and strut clearance fit；
The self-locking mechanism includes the lockset and fixture for being respectively arranged at two driving plate outer walls, and the lockset includes being vertically connected at
The hinged platform pin that self-locking plate one end of the articulated stand of corresponding driving plate bottom outer wall, articulated stand and arc-shaped semicircular is arranged
Axis is hinged, and hinged platform extends radially outwardly setting along self-locking plate, and the hinged platform of self-locking plate is equipped with self-locking through-hole, self-locking plate
The other end is equipped with elastic locking bar, and two self-lock rod bottoms cooperate respectively with two self-locking via clearances and top connects by the way that cross bar is vertical
It connects, cross bar middle section is vertically equipped with hack lever, and hack lever passes through driving plate inner wall setting corresponding with reclining after the notch in corresponding driving plate
Gag lever post vertically connect；The fixture includes the wedge block for being set to corresponding driving plate bottom outer wall, and wedge block is equipped with two
With the lockhole of elastic locking bar cooperation；
The bottom of two self-lock rod is equipped with limited block；The wedge surface of the wedge block is outwardly and wedge surface sharp portion is arranged downward；
The elasticity locking bar includes the body of rod across self-locking plate plate body, and the body of rod is equipped with the first limit towards the end of self-locking plate extrados
Position plate, the other end are in the smooth surface shape cooperated with lockhole, and the body of rod is equipped with the second limit far from the body of rod at the first limit plate
Plate is arranged with spring on the body of rod between the second limit plate and self-locking plate.
5. self-locking pipe fitting fixture as claimed in claim 4, which is characterized in that the strut both ends are pierced by limiting slot and are equipped with
External screw thread, positioning screw cap are threadedly engaged with strut both ends, and the slidable holding member and notch being arranged in two driving plate are located at
In same perpendicular.
6. self-locking pipe fitting fixture as claimed in claim 4, which is characterized in that the positioning sliding block packet in every piece of driving plate
The first positioning sliding block and the second positioning sliding block that structure is identical and is arranged above and below are included, the length of connecting rod of the second positioning sliding block is greater than
The length of connecting rod of first positioning sliding block, and the first, second positioning sliding block interlinking lever end is located on same circumference.
7. self-locking pipe fitting fixture as claimed in claim 4, which is characterized in that the extrados bottom end of the grip block is equipped with peace
Tankage mouth, installation notch are connected to limiting slot and fitting groove, and plugging block, plugging block are detachably equipped at the installation notch
With installation notch clearance fit.
8. self-locking pipe fitting fixture as claimed in claim 4, which is characterized in that the intrados of two grip block is in frosted knot
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355091.0U CN208883299U (en) | 2018-08-22 | 2018-08-22 | Gravity self-locking mechanism and the self-locking pipe fitting fixture for using the mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355091.0U CN208883299U (en) | 2018-08-22 | 2018-08-22 | Gravity self-locking mechanism and the self-locking pipe fitting fixture for using the mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208883299U true CN208883299U (en) | 2019-05-21 |
Family
ID=66509604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821355091.0U Expired - Fee Related CN208883299U (en) | 2018-08-22 | 2018-08-22 | Gravity self-locking mechanism and the self-locking pipe fitting fixture for using the mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208883299U (en) |
-
2018
- 2018-08-22 CN CN201821355091.0U patent/CN208883299U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200401 Address after: 450000 1805, 18th floor, North building, Henan core Internet building, No. 1, Yousheng North Road, Jinshui District, Zhengzhou City, Henan Province Patentee after: Zhengzhou Siyi Industrial Design Co.,Ltd. Address before: 450000 Hongxiang road 28, Jinshui District, Zhengzhou, Henan Patentee before: Sun Peng |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20210822 |