CN108750930A - 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 PDF

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Publication number
CN108750930A
CN108750930A CN201810959448.4A CN201810959448A CN108750930A CN 108750930 A CN108750930 A CN 108750930A CN 201810959448 A CN201810959448 A CN 201810959448A CN 108750930 A CN108750930 A CN 108750930A
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CN
China
Prior art keywords
self
locking
plate
rod
block
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Pending
Application number
CN201810959448.4A
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Chinese (zh)
Inventor
孙鹏
Original Assignee
孙鹏
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Application filed by 孙鹏 filed Critical 孙鹏
Priority to CN201810959448.4A priority Critical patent/CN108750930A/en
Publication of CN108750930A publication Critical patent/CN108750930A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42Gripping members engaging only the external or internal surfaces of the articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear

Abstract

The present invention relates to the self-locking pipe fitting fixtures of the mechanism of gravity self-locking mechanism and use.The self-locking mechanism includes lockset and fixture, lockset includes the articulated stand for being vertically connected at closure member close to open-mouth outer wall, the hinged platform axis pin 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 coordinate respectively with two self-locking via clearances and top passes through cross bar vertical connection;The fixture includes the wedge block for being set to closure member close to open-mouth outer wall, and wedge block is equipped with the lockhole of two and 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 ensureing job safety, increase substantially working efficiency.

Description

Gravity self-locking mechanism and the self-locking pipe fitting fixture for using the mechanism
Technical field
It is pressed from both sides the invention belongs to machinery equipment field more particularly to gravity self-locking mechanism and using the self-locking pipe fitting of the mechanism Tool.
Background technology
Currently, either building field or municipal administration and power engineering, is often related to turning for some large-scale pipe parts Fortune, such as the pile pile of building field, municipal subsoil drain and electric stringing bar etc., due to these pipe 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 the loading on transport vehicle and Discharging Process, its shape is cylindrical in addition, uses When the tools such as fork truck are carried, it is susceptible to the phenomenon that rolling is landed, the damage of cylinder, pipe part is not only resulted in, also easily makes At personal injury.Lifting mode is mostly used in currently available technology to carry out these big weight pipe parts, i.e., is matched by lifting machine It closes multiple tracks hawser pipe part is lifted by crane and transported.But this mode is not only cumbersome, and working efficiency is very low, especially It is when several pipe parts mutually laminate, it is difficult to which hawser to be sleeved on to the outer wall of these pipe fittings.
Invention content
The object of the present invention is to provide a kind of self-locking pipe fitting fixture of the mechanism of gravity self-locking mechanism and use, the present invention It is simple in sturcture, ingenious in design, effectively column can be clamped, promote operation and it is carried out in clamping process Self-locking security protection increases substantially working efficiency on the basis of ensureing job safety.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:
Gravity self-locking mechanism, including the closure member of gravity direction opening is constituted, further include being respectively arranged at closure member opposite sides The lockset and fixture of outer wall, the lockset include the articulated stand for being vertically connected at closure member close to open-mouth outer wall, hinged to prop up The hinged platform axis pin that self-locking plate one end of frame and arc-shaped semicircular is arranged is hinged, and hinged platform extends radially outwardly along self-locking plate to be set It sets, 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 difference With the cooperation of two self-locking via clearances and top is by cross bar vertical connection, and cross bar stage casing is vertically equipped with hack lever, and hack lever, which passes through, to be corresponded to The gag lever post vertical connection being arranged with the closure member inner wall that reclines after the preset elongated notch of closure member;The fixture includes being set to Closure member is close to the wedge block of open-mouth outer wall, lockholes of the wedge block equipped with 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 of the present invention.
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 limiting plate, and the other end is in the smooth surface shape coordinated with lockhole, and the body of rod is far from the body of rod at the first limiting plate Equipped with the second limiting plate, spring is arranged on the body of rod between the second limiting plate and self-locking plate.
The operation principle of self-locking mechanism of the present invention is as follows:
When the gravity direction opening of closure member need not be closed, the state of the self-locking mechanism is as follows:Due at the top of self-lock rod Gag lever post and cross bar be located at the medial and lateral of closure member, so self-lock rod always can not be along the direction of hack lever i.e. along vertical The direction of closure member is moved, and can only be moved along gravity direction along parallel seal part, while the setting of limited block can So that the self-locking through-hole of self-locking plate is inserted into self-lock rod bottom, so self-lock rod can limit self-locking plate, i.e. self-locking plate It can not be rotated around the axis pin of itself and articulated stand.So when this state, self-locking mechanism is in static and does not block opening, The extrados of 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:It is preset along closure member Elongated notch moves hack lever 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 detached with the self-locking through-hole of self-locking plate, and self-locking plate is rotated around axis pin under the effect of gravity this moment, when its non-articulated end moves When to fixture, wedge surface of the elastic locking bar of setting along fixture wedge block under effect of inertia moves at non-articulated end, the mistake Thickness in journey due to wedge surface 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 to lock At hole, since constantly the second limiting plate of ejection, the in addition appearance of lockhole gives the body of rod with movement to spring under own resilient effect Space may make body of rod quick insertion lockhole, realize the inserting of the body of rod and lockhole.And then realize that fixture coordinates with lockset to opening It 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, extrados Towards extraneous setting.
Certainly, the moulding of self-locking plate and length should meet the elastic locking bar that its non-articulated end is arranged and can contact and be 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 It is vertically arranged at the top vertical connection of two driving plates of fixed plate both sides, strip is offered 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 the connecting rod being connect 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 coordinate respectively with two self-locking via clearances and top connects by the way that cross bar is vertical It connects, cross bar stage casing 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 vertical connection;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 coordinated with lockhole, and the body of rod is equipped with the second limit far from the body of rod at the first limiting plate Plate is arranged with spring on the body of rod between the second limiting plate and self-locking plate.
Preferably, the strut both ends are pierced by limiting slot and are equipped with external screw thread, positioning screw cap and strut both ends screw-thread fit, The slidable holding member and notch being arranged in two driving plate are located in same perpendicular.
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 more 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 present invention pertains only to the lifting clamp on basis, it, can will be of the present invention when specifically used Equipment of the device cooperation with transport function uses.
Working principle of the invention is as follows:
The present invention is moved at pipe part first so that pipe part is located between two grip blocks.The present invention is now at first Beginning state, i.e. the two of dual-rod hydraulic cylinder piece piston rod are in elongation state, and grip block not yet contacts pipe part this moment, so clamping Block is located at vertical height lowest point in its own gravity state.And due at the top of self-lock rod gag lever post and cross bar be located at correspondence The medial and lateral of driving plate, so self-lock rod can not be always to be moved along the direction of perpendicular drive plate along the direction of hack lever, only It can be moved along gravity direction along parallel drive plate, while the setting of limited block can make self-lock rod bottom be inserted into self-locking The self-locking through-hole of plate, so self-lock rod can limit self-locking plate, i.e., self-locking plate can not be around the axis pin of itself and articulated stand It is rotated.So when this state, self-locking mechanism is in static and does not block open, the extrados direction driving of self-locking plate Plate, intrados are 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 two folders It is clamped after holding block contact pipe part, but two driving plates still in out movement, slide by grip block and positioning in addition this moment Block is to be slidably matched, so two grip blocks can be moved up under the opposite effect of driving plate and pipe part, i.e., grip block can phase Positioning sliding block is moved up, and grip block can move into the notch of respective drive plates in this process.Two grip blocks Moving up can be realized simultaneously by the pipe part of its clamping and move up operation, up to grip block is moved to positioning sliding block and contacts its installation Plugging block at notch.In this way, realizing the promotion operation of pipe 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, and 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 axis pin rotate, when its non-articulated end is moved at fixture, Wedge surface of the elastic locking bar being arranged at non-articulated end along fixture wedge block under effect of inertia 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 The second limiting plate of continuous ejection under own resilient effect, the in addition appearance of lockhole give the body of rod with mobile space, may make the body of rod Quick insertion lockhole realizes the inserting of the body of rod and lockhole.And then realize that fixture and lockset cooperation are between two drive rods and round Gap below pipe fitting is blocked.The setting of self-locking mechanism when there is pipe part between two grip blocks primarily to be detached from The state of emergency under, pipe 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 moulding of self-locking plate and length should meet the elastic locking bar that its non-articulated end is arranged and can contact and be 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 pipe 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 pipe 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 pipe part;Self-locking Bar should meet from limited block body of rod length below:When pipe part reaches stroke end, self-lock rod can be by top lift to its top The self-locking through-hole that portion is hinged platform with self-locking plate detaches, and otherwise self-lock rod can not be detached with hinged platform, cause self-locking plate that can not rotate To cannot achieve self-locking function.
When needing operating, it is only necessary to which the equipment with the function of motion being used cooperatively with the present invention is operated.Institute It can be small-sized lifting machine etc. to state the equipment with the function of motion.
The present invention may be implemented to carry out clamping promotion to the pipe part of big quality, specifically should at least use two certainly It covers device of the present invention and clipping promotion operation is carried out to the initial and end both ends of pipe part.It should be noted that the present invention adopts The power take-off mechanism that there are one apparatus acts, which can be realized, is clamped and vertically to two actions of promotion the radial of pipe part.And Although the artificial mobility of hawser in the prior art binding is stronger, operation is complex, especially when circle tubing circumference not When space with hawser nesting, such as the big quality pipe part placed on cement flooring, staff can only use it is raw draw it is hard Round hawser is sleeved on pipe part both ends by the mode dragged, and not only work consuming takes, but also the labor intensity of staff is very big, also pole Hawser, ground and pipe part easy to wear.Meanwhile on the basis of the present invention states function in realization, very simple knot is used Structure does not use direction-changing drive mechanisms, the transmissions for relying solely on driving plate and grip block such as connecting rod, the rocking arm of any complexity to match It closes, maintenance rate is very low, and service life is only limited by its founding materials performance itself.
More preferably, the present invention also provides more remarkable technical solution to ensure the safety of operation process:
1)In order to ensure that grip block drove pipe part moves up operation without deviation, so the application is fixed using first, second liang of set Position sliding block to grip block move up the limit of glide direction, while first, second liang of set positioning sliding block can be to grip block The drawing for carrying out both direction prevents grip block from being rotated around the strut of positioning sliding block;
2)Notch in driving plate and grip block clearance fit, not only grip block move up that process provides displacement and space is mended It repays, while limit operation further also is carried out to the action that moves up of grip block;
Meanwhile for grip block and positioning sliding block assembly consider, the present invention in grip block bottom be equipped with installation notch, The connecting rod of positioning sliding block and strut is allow to probe into from installation notch and coordinated respectively with fitting groove and limiting slot, together When strut both ends are blocked by limit screw cap, prevent grip block from shaking phenomenon occur.When positioning sliding block and clamping are packaged With after the completion, installation notch can be fixed by plugging block or detachable closure.
The intrados of grip block uses frosted architecture basics, can improve the frictional force between grip block and pipe part.
Compared with prior art, the present invention having the following advantages that:The configuration of the present invention is simple, it is ingenious in design, it can be effectively Column is clamped, operation is promoted and self-locking security protection is carried out in clamping process to it, is ensureing job safety On the basis of, increase substantially working efficiency.
Description of the drawings
Fig. 1 is the lockset of self-locking mechanism described in embodiment 1,2 in will enter the structural schematic diagram 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 implementation mode;
Fig. 4 be in specific implementation mode self-locking pipe fitting fixture i.e. by working state structure schematic diagram;
Fig. 5 is the driving plate structure schematic diagram of self-locking pipe fitting fixture in specific implementation mode;
Note:Closure member in Fig. 1,2 saves, and plugging block is not drawn into Fig. 4.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Embodiment 1
As shown in Figs. 1-2, gravity self-locking mechanism, including the closure member of gravity direction opening is constituted, 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 being hinged close to open-mouth outer wall 12 axis pin of hinged platform that 11 one end of self-locking plate of holder 1, articulated stand 1 and arc-shaped semicircular is arranged is hinged, hinged 12 edge of platform Self-locking plate 11 extends radially outwardly setting, and the hinged platform 12 of self-locking plate 11 is equipped with self-locking through-hole 121, self-locking plate 11 it is another End is equipped with elastic locking bar, two self-lock rods, 13 bottom respectively with two self-locking through-holes, 121 clearance fit and top it is vertical by cross bar 131 Connection, 131 stage casing 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 the envelope that reclines 133 vertical connection of gag lever post of closing member inner wall setting;The fixture includes the wedge shape for being set to closure member close to open-mouth outer wall Block 2, wedge block 2 are equipped with the lockhole 21 of two and 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 body of self-locking plate The body of rod 14, the body of rod 14 are equipped with the first limiting plate 141 towards the end of self-locking plate extrados, and the other end is in the light coordinated with lockhole 21 Sliding curved, the body of rod 14 are equipped with the second limiting plate 142 far from the body of rod at the first limiting plate 141, the second limiting plate 142 with from Spring 143 is arranged on the body of rod between jam 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 of the present invention.
The operation principle of the self-locking mechanism is as follows:
When the gravity direction opening of closure member need not be closed, the state of the self-locking mechanism is as follows:Due at the top of self-lock rod Gag lever post and cross bar be located at the medial and lateral of closure member, so self-lock rod always can not be along the direction of hack lever i.e. along vertical The direction of closure member is moved, and can only be moved along gravity direction along parallel seal part, while the setting of limited block can So that the self-locking through-hole of self-locking plate is inserted into self-lock rod bottom, so self-lock rod can limit self-locking plate, i.e. self-locking plate It can not be rotated around the axis pin of itself and articulated stand.So when this state, self-locking mechanism is in static and does not block opening, The extrados of self-locking plate is arranged towards closure member, intrados towards extraneous(As shown in Figure 1);
When needing the opening to gravity direction to close(As shown in Figure 2), the state of the self-locking mechanism is as follows:Along closing Preset elongated notch moves hack lever on part so that hack lever drives gag lever post and cross bar and self-lock rod to move up, and self-lock rod is upper During shifting, bottom is detached with the self-locking through-hole of self-locking plate, and self-locking plate is rotated around axis pin under the effect of gravity this moment, when its is non- When hinged end is moved at fixture, the elastic locking bar being arranged at non-articulated end is under effect of inertia along the wedge surface of fixture wedge block It 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 It is moved at lockhole, since bar is given in constantly the second limiting plate of ejection, the in addition appearance of lockhole to spring under own resilient effect Body may make body of rod quick insertion lockhole with mobile space, realize the inserting of the body of rod and lockhole.And then realize that fixture is matched with lockset Conjunction blocks opening.Under this state, self-locking mechanism is in static and blocks open, the intrados direction closing of self-locking plate Part, extrados are arranged towards extraneous.
Certainly, the moulding of self-locking plate and length should meet the elastic locking bar that its non-articulated end is arranged and can contact and be inserted into In the lockhole of fixture.
Embodiment 2
As shown in Figs. 1-5, it is equipped with the self-locking pipe fitting fixture of above-mentioned self-locking mechanism, the fixture includes clamping device and from lock machine Structure, the clamping device include fixed plate 3 and the dual-rod hydraulic cylinder being set in fixed plate 3 31, and the two of dual-rod hydraulic cylinder 31 The root piston rod top vertical connection with two driving plates 4 for being vertically arranged at fixed plate both sides respectively, in driving plate 4 along its length Direction offers strip notch 41, and two driving plates, 4 bottom is located at opposite equipped with slidable holding member, institute on the plate body of 41 lower section of notch State the grip block 6 and the positioning sliding block being fixedly connected with driving plate plate body that slidable holding member includes arc-shaped semicircular;
The grip block 6 is slidably matched with notch 41, and fitting groove 61 is offered on the extrados of grip block 6, on grip block 6 with Limiting slot 62 is offered on the adjacent side of extrados, limiting slot 62 is connected to fitting groove 61 and limiting slot 62 and grip block 6 are same The heart is arranged;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, institute It states and is detachably equipped with plugging block 63 at installation notch, plugging block 63 and installation notch clearance fit.The intrados of two grip blocks 6 In frosted structure.
Positioning sliding block in every piece of driving plate includes that structure is identical and the first positioning sliding block 51 and second for being arranged above and below is fixed Position sliding block 52, the positioning sliding block includes 53 end vertical of connecting rod 53 and connecting rod being connect 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, positioning screw cap 55 and 54 both ends screw-thread fit of strut, the sliding being arranged in two driving plate Clamping piece and notch are located in same perpendicular.53 length of connecting rod of second positioning sliding block 52 is more 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, articulated stand 1 and 11 one end of self-locking plate of arc-shaped semicircular are arranged 12 axis pin of hinged platform it is hinged, hinged platform 12 extends radially outwardly setting along self-locking plate, and is set 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 By 131 vertical connection of cross bar, 131 stage casing of cross bar is vertically equipped with hack lever 132 for clearance fit and top, and hack lever 132, which passes through, to be corresponded to 133 vertical connection of gag lever post 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 and 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 divides into It sets;
The elasticity locking bar includes the body of rod 14 across self-locking plate plate body, and the body of rod 14 is equipped with the towards the end of self-locking plate extrados One limiting plate 141, the other end are in the smooth surface shape coordinated with lockhole 21, and the body of rod 14 is far from the body of rod at the first limiting plate 141 It is equipped with the second limiting plate 142, spring 143 is arranged on the body of rod between the second limiting plate and self-locking plate.
Working principle of the invention is as follows:
The present invention is moved at pipe part first so that pipe part is located between two grip blocks.The present invention is now at first Beginning state, i.e. the two of dual-rod hydraulic cylinder piece piston rod are in elongation state, and grip block not yet contacts pipe part this moment, so clamping Block is located at vertical height lowest point in its own gravity state.And due at the top of self-lock rod gag lever post and cross bar be located at correspondence The medial and lateral of driving plate, so self-lock rod can not be always to be moved along the direction of perpendicular drive plate along the direction of hack lever, only It can be moved along gravity direction along parallel drive plate, while the setting of limited block can make self-lock rod bottom be inserted into self-locking The self-locking through-hole of plate, so self-lock rod can limit self-locking plate, i.e., self-locking plate can not be around the axis pin of itself and articulated stand It is rotated.So when this state, self-locking mechanism is in static and does not block open, the extrados direction driving of self-locking plate Plate, intrados are 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 two folders It is clamped after holding block contact pipe part, but two driving plates still in out movement, slide by grip block and positioning in addition this moment Block is to be slidably matched, so two grip blocks can be moved up under the opposite effect of driving plate and pipe part, i.e., grip block can phase Positioning sliding block is moved up, and grip block can move into the notch of respective drive plates in this process.Two grip blocks Moving up can be realized simultaneously by the pipe part of its clamping and move up operation, up to grip block is moved to positioning sliding block and contacts its installation Plugging block at notch.In this way, realizing the promotion operation of pipe 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, and 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 axis pin rotate, when its non-articulated end is moved at fixture, Wedge surface of the elastic locking bar being arranged at non-articulated end along fixture wedge block under effect of inertia 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 The second limiting plate of continuous ejection under own resilient effect, the in addition appearance of lockhole give the body of rod with mobile space, may make the body of rod Quick insertion lockhole realizes the inserting of the body of rod and lockhole.And then realize that fixture and lockset cooperation are between two drive rods and round Gap below pipe fitting is blocked.The setting of self-locking mechanism when there is pipe part between two grip blocks primarily to be detached from The state of emergency under, pipe 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 moulding of self-locking plate and length should meet the elastic locking bar that its non-articulated end is arranged and can contact and be 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 pipe 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 pipe 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 pipe part;Self-locking Bar should meet from limited block body of rod length below:When pipe part reaches stroke end, self-lock rod can be by top lift to its top The self-locking through-hole that portion is hinged platform with self-locking plate detaches, and otherwise self-lock rod can not be detached with hinged platform, cause self-locking plate that can not rotate To cannot achieve self-locking function.
When needing operating, it is only necessary to which the equipment with the function of motion being used cooperatively with the present invention is operated.Institute It can be small-sized lifting machine etc. to state the equipment with the function of motion.
The present invention may be implemented to carry out clamping promotion to the pipe part of big quality, specifically should at least use two certainly It covers device of the present invention and clipping promotion operation is carried out to the initial and end both ends of pipe part.It should be noted that the present invention adopts The power take-off mechanism that there are one apparatus acts, which can be realized, is clamped and vertically to two actions of promotion the radial of pipe part.And Although the artificial mobility of hawser in the prior art binding is stronger, operation is complex, especially when circle tubing circumference not When space with hawser nesting, such as the big quality pipe part placed on cement flooring, staff can only use it is raw draw it is hard Round hawser is sleeved on pipe part both ends by the mode dragged, and not only work consuming takes, but also the labor intensity of staff is very big, also pole Hawser, ground and pipe part easy to wear.Meanwhile on the basis of the present invention states function in realization, very simple knot is used Structure does not use direction-changing drive mechanisms, the transmissions for relying solely on driving plate and grip block such as connecting rod, the rocking arm of any complexity to match It closes, maintenance rate is very low, and service life is only limited by its founding materials performance itself.

Claims (8)

1. gravity self-locking mechanism, including constitute the closure member of 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 being hinged close to open-mouth outer wall The hinged platform axis pin that self-locking plate one end of holder, 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 coordinates with two self-locking via clearances respectively and top is by cross bar vertical connection, and cross bar stage casing is vertically equipped with hack lever, Hack lever passes through the gag lever post vertical connection being arranged with the closure member inner wall that reclines after the preset elongated notch of corresponding closure member;The card Tool includes being set to wedge block of the closure member close to open-mouth outer wall, and wedge block is equipped with the lockhole of two and 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 limiting plate towards the end of self-locking plate extrados, and the other end is in the smooth surface that coordinates with lockhole Shape, the body of rod is equipped with the second limiting plate far from the body of rod at the first limiting plate, on the body of rod between the second limiting plate and self-locking plate It is arranged with spring.
4. the self-locking pipe fitting fixture equipped with 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 top vertical connection with two driving plates for being vertically arranged at fixed plate both sides respectively, 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 being connect 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 coordinate respectively with two self-locking via clearances and top connects by the way that cross bar is vertical It connects, cross bar stage casing 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 vertical connection;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 coordinated with lockhole, and the body of rod is equipped with the second limit far from the body of rod at the first limiting plate Plate is arranged with spring on the body of rod between the second limiting 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 and strut both ends screw-thread fit, 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 more 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.
CN201810959448.4A 2018-08-22 2018-08-22 Gravity self-locking mechanism and the self-locking pipe fitting fixture for using the mechanism Pending CN108750930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810959448.4A CN108750930A (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
CN201810959448.4A CN108750930A (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
CN108750930A true CN108750930A (en) 2018-11-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810959448.4A Pending CN108750930A (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
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110434319A (en) * 2019-08-06 2019-11-12 南京有荣节能科技有限公司 A kind of gravity self solves locking device and its application method from interlocking

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110434319A (en) * 2019-08-06 2019-11-12 南京有荣节能科技有限公司 A kind of gravity self solves locking device and its application method from interlocking

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