CN104896254A - Chock clamping tool - Google Patents
Chock clamping tool Download PDFInfo
- Publication number
- CN104896254A CN104896254A CN201510331925.9A CN201510331925A CN104896254A CN 104896254 A CN104896254 A CN 104896254A CN 201510331925 A CN201510331925 A CN 201510331925A CN 104896254 A CN104896254 A CN 104896254A
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- CN
- China
- Prior art keywords
- handle
- timber wedge
- extension rod
- rod
- clamping device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
Abstract
The invention provides a chock clamping tool. The chock clamping tool comprises a clamping mechanism, a push-press mechanism and a pressing mechanism; the clamping mechanism is connected with the push-press mechanism and used for clamping a chock; the push-press mechanism is respectively connected with the clamping mechanism and the pressing mechanism, and used for applying pressure to the clamping mechanism; the pressing mechanism is connected with the push-press mechanism and used for further applying pressure to the clamping mechanism through the push-press mechanism and locking the push-press mechanism. According to the chock clamping tool provided by the invention, the chock can resist air flow with big resistance after clamping the chock, and rapidly handle the leakage point, buy time for rescue, and reduce loss for an enterprise; besides, the chock clamping tool can rapidly control the flammable and explosive situation, and lay a firm foundation for the successful leakage blockage.
Description
Technical field
The present invention relates to a kind of pressure sealing assistant tool of transport gas equipment pipe, specifically a kind of timber wedge clamping device.
Background technique
In natural gas transport process, due to nature or artificial origin, inevitably on conveyance conduit, there is leakage situation.Natural gas leaking not only can cause loss of material, energy waste, environmental pollution, and entail dangers to equipment and personal safety, therefore should take measures in time when there is leakage situation to carry out leak stopping.During leak stopping, a kind of method is source of the gas before and after cutting off, and makes system out of service, then carries out leak stopping at leakage point place.This method needs first by emptying for the combustion gas in pipeline, therefore there is length consuming time, befouling environment, the shortcoming that economic loss is larger.Also have a kind of method to be pressure sealing, under the prerequisite namely normally run in system, carry out leak stopping in time.Pressure sealing can ensure normal life and the production of people, is therefore the method generally adopted at present.
The leakage stopping technology adopted during pressure sealing has timber wedge leakage stopping technology, agent injecting type on-line pressure sealant technology, magnetic force to press plugging technique, interior pressure leakage stopping technology, seam leakage blinding technology with pressure, tapping leakage stopping technology, top pressure leakage stopping technology, be wound around leakage stopping technology, freezing leakage stopping technology and water conservancy diversion leakage stopping technology etc.Wherein, timber wedge leakage stopping technology compares other leakage stopping technologies, has simply, feature fast and effectively, and it is ageing more remarkable, more therefore in the application of the initial stage of leakage.
The leak stoppage tool that timber wedge leakage stopping technology adopts is wooden leak stopping wedge (abbreviation timber wedge).Timber wedge can not leak-stopping completely, is just micro-leakage by leakage control, so can only Interim use.But the control effects of timber wedge is quick, the safe intervention of other leakage stopping technologies and necessary basis has been laid in successful leak stopping.The existing operation of timber wedge leak stopping is: timber wedge is aimed at leakage point, is forced into and righting, knocks timber wedge, with wooden mallet till no longer wedge enters timber wedge.But, in actual mechanical process, sometimes because leakage current is comparatively large, timber wedge can not be controlled well near leakage point with hand, occur close to air-flow during leak point and hand that friction generates heat with hand steered timber wedge of holding, cause and cannot complete leak stopping quickly and efficiently.
Summary of the invention
Object of the present invention is just to provide a kind of timber wedge clamping device, to solve in prior art when leakage current is larger, can not control the problem of timber wedge near leakage point well with hand.
The present invention is achieved in that a kind of timber wedge clamping device, comprising:
Clamping device, connects with pushing and pressing mechanism, for clamping timber wedge;
Pushing and pressing mechanism, connects with described clamping device and hold-down mechanism respectively, applies pressure for giving described clamping device; And
Hold-down mechanism, connects with described pushing and pressing mechanism, for applying pressure further and lock described pushing and pressing mechanism to described clamping device by described pushing and pressing mechanism.
Described clamping device comprises:
Rectangle frame, is surrounded by front side plate, back side panel, left sideboard and right sideboard and forms;
Connecting plate, is positioned at the position of described rectangle frame near described right sideboard, parallel with described right sideboard;
Pressing plate, is arranged between described connecting plate and described left sideboard, parallel with described connecting plate, and quantity is two; One of them pressing plate is connected with described connecting plate activity by connecting rod, and another pressing plate is connected with described left sideboard activity by connecting rod; Pressing plate described in each is equipped with some through holes;
First spring, is socketed on connecting rod described in each;
Sleeve, is fixedly installed on described connecting plate and described left sideboard, with described first spring one_to_one corresponding, and can hold corresponding first spring; And
Pointed cone, is fixedly installed on described connecting plate and described left sideboard, and towards the pressing plate of correspondence, relative one by one with the through hole on corresponding pressing plate, and the point of pointed cone described in each can through through hole corresponding on pressing plate; The length of described pointed cone is greater than the length of described sleeve.
Described pushing and pressing mechanism comprises:
Extension rod, comprises left extension rod and right extension rod, and described left extension rod is outwards vertically stretched out by the center of described left sideboard, and described right extension rod is outwards vertically stretched out by the center of described right sideboard; Described right extension rod is the tubular body of hollow, and the inner chamber of described right extension rod communicates with the inner chamber of described rectangle frame; The inwall of described right extension rod is provided with annular boss;
Push rod, cross-under is in described right extension rod, and its left end stretches in described rectangle frame affixed with described connecting plate, and its right-hand member is through the center of described annular boss in described right extension rod; Described push rod is provided with convex shoulder near its left end position;
First handle, be arranged on the outside of described right extension rod, the right-hand member of its center and described push rod is affixed; And
Second spring, is socketed on described push rod, and described in the described convex shoulder of described push rod and described right extension rod inwall between annular boss.
The end of described right extension rod is provided with the second handle facilitating staff to grip, and described second handle is the tubular body of hollow; The 3rd handle facilitating staff to grip is provided with in the end of described left extension rod.
Described hold-down mechanism comprises:
Screw rod, through the center of described second handle, the center of its left end and described first handle is affixed;
Handwheel, is arranged on the right-hand member of described screw rod;
Screw sleeve, be socketed in described screw rod outside, described screw sleeve has breach, and described breach is arranged in the inner chamber of described second handle;
Adjustable lever, is plugged in the inner chamber of described second handle, vertical with described screw rod; Described in the inner chamber of described second handle, the end of adjustable lever is provided with the end-face helical matched with the screw thread on described screw rod, and described end-face helical is by the threaded engagement on the breach on described screw sleeve and described screw rod; The sidewall of described adjustable lever is provided with the annular gear edge of evagination; And
3rd spring, is socketed on described adjustable lever, and between the described gear edge and described second handle side inwall of described adjustable lever.
Be provided with slide block in the forward and backward side of described pressing plate and described connecting plate, described front side plate and described back side panel have chute, described slide block can slide in described chute.
The side that two described pressing plates are relative is equipped with long strip point fin, and when two described pressing plates clamping timber wedges, described long strip point fin can to penetrate in timber wedge thus the chucking power increased timber wedge.
The sidewall of described right extension rod has the bar hole along described right extension rod direction, and described first handle can move around along described bar hole.
Two described pressing plates are slab construction or have the concave structure of arc groove; The pressing plate of two slab constructions is for clamping the timber wedge that side is plane, and the pressing plate of two concave structures is for clamping the timber wedge that side is arc.
This timber wedge clamping device can select relative material according to leakage dielectric property.
The present invention is clamped timber wedge by clamping device, pushing and pressing mechanism applies external pressure to clamping device and makes clamping device to timber wedge firm grip, hold-down mechanism by pushing and pressing mechanism to clamping device apply pressure further and to pushing and pressing mechanism implement locking operation.
Concrete using process of the present invention is: first by outwards (namely to the right) lift of the first handle in pushing and pressing mechanism, first handle drives pressing plate (being called for short right pressing plate) the outwards movement together on push rod, connecting plate and right side, to increase the distance between two pressing plates, timber wedge is put between clamping device two pressing plates; After timber wedge places, unclamp first handle, push rod promotes connecting plate and is moved to the left under the elastic force effect of the first spring, the first spring between connecting plate to right pressing plate is compressed in corresponding sleeve, simultaneously, left side pressing plate (abbreviation left pressing plate) is also pushed and is moved to the left, and the first spring between left pressing plate to left sideboard is also compressed in corresponding sleeve.First spring is by the process compressed, namely be connecting plate near right pressing plate, left side pressing plate near the process of left sideboard, in this process, pointed cone on connecting plate and left sideboard can through the through hole on corresponding pressing plate, and penetrate in the timber wedge between two pressing plates, pointed cone penetrates timber wedge, can strengthen the pressuring action to timber wedge.The adjustable lever in hold-down mechanism is made to move to screw rod direction afterwards, make the threaded engagement on the end-face helical of adjustable lever rear end and screw rod, rotation hand wheel, screw rod is moved to push rod direction, the movement of screw rod makes push rod be moved to the left further, achieve and further pressure is applied to timber wedge, achieve the locking effect to push rod simultaneously.
Adopt the present invention can clamp securely timber wedge, powerful gas shock power can be resisted by the timber wedge after clamping, staff is adopted to help timber wedge in prior art, the maximum air-flow resisting 0.3MPa of timber wedge, if stream pressure increases again, then the timber wedge that staff is helped can not near leakage point; And after adopting the present invention to clamp timber wedge, timber wedge can resist the air-flow of 0.8MPa, compared to existing technologies, greatly can strengthen the chucking power to timber wedge and grip force, so overcome the hand steered timber wedge caused because leakage point stream pressure is comparatively large can not near the problem of leakage point.And adopt after the present invention clamps timber wedge, staff can be positioned at timber wedge two ends handle position far away, that can avoid causing staff because air-flow and hand occur that friction generates heat burns.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention.
Fig. 2 is sectional view of the present invention.
Fig. 3 is the internal structure schematic diagram of second handle in the present invention.
Fig. 4 is the perspective view of left pressing plate in the present invention, left sideboard and parts between the two.
In figure: 1, rectangle frame, 1-1, front side plate, 1-2, back side panel, 1-3, left sideboard, 1-4, right sideboard, 2-1, left pressing plate, 2-2, right pressing plate, 3, connecting plate, 4, sleeve, 5, first spring, 6, connecting rod, 7, pointed cone, 8, extension rod, 8-1, left extension rod, 8-2, right extension rod, 8-2-1, boss, 9, push rod, 9-1, convex shoulder, 10, second spring, 11, first handle, 12, second handle, 13, 3rd handle, 14, screw rod, 15, screw sleeve, 16, handwheel, 17, adjustable lever, 17-1, guide pad, 17-2, gear edge, 18, 3rd spring, 19, end cap, 20, through hole, 21, point fin, 22, slide block, 23, chute, 24, buttcover plate, 25, nut.
Embodiment
The present invention includes clamping device, pushing and pressing mechanism and hold-down mechanism; Clamping device connects with pushing and pressing mechanism, for clamping timber wedge; Pushing and pressing mechanism connects with clamping device and hold-down mechanism respectively, for applying pressure to clamping device; Hold-down mechanism connects with pushing and pressing mechanism, for applying pressure by pushing and pressing mechanism further to clamping device and locking pushing and pressing mechanism.Below in conjunction with accompanying drawing, clamping device, pushing and pressing mechanism and hold-down mechanism are described in detail.
As depicted in figs. 1 and 2, clamping device comprises rectangle frame 1, connecting plate 3, pressing plate, the first spring 5, connecting rod 6, sleeve 4 and pointed cone 7.Rectangle frame 1 is surrounded by front side plate 1-1, back side panel 1-2, left sideboard 1-3 and right sideboard 1-4 and forms.Connecting plate 3 is arranged on the position near right sideboard 1-4 in rectangle frame 1 inner chamber, and connecting plate 3 is parallel with right sideboard.Pressing plate comprise two be oppositely arranged, the left pressing plate 2-1 that is parallel to each other and right pressing plate 2-2, two pressing plates (i.e. left pressing plate 2-1 and right pressing plate 2-2) are for clamping timber wedge, be positioned between two pressing plates by timber wedge, be tightly pressed on timber wedge to realize the clamping to timber wedge by two pressing plates.Two pressing plates are all arranged in the inner chamber of rectangle frame 1, and two pressing plates are between connecting plate 3 and left sideboard 1-3, and two pressing plates are all parallel with connecting plate 3; 1-3 is comparatively near for left pressing plate 2-1 distance left sideboard, and right pressing plate 2-2 distance join plate 3 is nearer.Being the structure of plane for timber wedge side, can be slab construction as shown in Figures 1 and 2 by platen design; Being the structure of arc for timber wedge side, can be the concave structure with arc groove matched with timber wedge side arcuate structure by platen design, and the arc groove on two pressing plates be oppositely arranged.
Composition graphs 4, the inwall of left sideboard 1-3 is connected with sleeve 4, and sleeve 4 is perpendicular to left sideboard 1-3, and the equal opening in its two ends, the position that left sideboard 1-3 connects with sleeve 4 is provided with through hole.Sleeve 4 in the present invention on left sideboard 1-3 is four, lays respectively at four drift angle places near left sideboard 1-3.Left pressing plate 2-1 is flexibly connected with left sideboard 1-3 by connecting rod 6, and concrete Placement is: one end of connecting rod 6 is vertically fixed on left pressing plate 2-1, and the other end of connecting rod 6 extend into the outside of left sideboard 1-3 through the through hole on sleeve 4 inner chamber and left sideboard 1-3.The other end extending into left sideboard 1-3 outside at connecting rod 6 is provided with outside thread, and this has on externally threaded one section of connecting rod and is bolted with nut 25, can stop that connecting rod 6 comes off by left sideboard 1-3 by the nut 25 that is spirally connected.Left pressing plate 2-1 is flexibly connected with left sideboard 1-3, namely refer to: left pressing plate 2-1 can together with connecting rod 6 left side plate 1-3 move in direction, and gradually near left sideboard 1-3, when left pressing plate 2-1 plate face contacts with sleeve 4 top, left pressing plate 2-1 can not continue near left sideboard 1-3 again; Left pressing plate 2-1 also can move to away from left sideboard 1-3 position by near left sideboard 1-3 position, but till being movable to when nut 25 contacts with left sideboard 1-3 outer side surface farthest.
Equally, connecting plate 3 is vertically connected with four sleeves, the drum shape body of each sleeve all in both ends open near its four corner position places, and the position that connecting plate 3 connects with sleeve has through hole, and four sleeves are all towards right pressing plate 2-2, and highly identical.Right pressing plate 2-2 is flexibly connected with connecting plate 3 by connecting rod, specifically: one end of connecting rod is vertically fixed on right pressing plate 2-2, the other end of connecting rod extend into the right side of connecting plate 3 through the through hole on barrel bore and connecting plate 3, and be bolted with nut on the right side of connecting plate 3, come off from connecting plate 3 to prevent connecting rod.Right pressing plate 2-2 can move left and right with connecting rod together relative connecting plate 3, but its distance moved left and right is all limited.
No matter the connecting rod between left pressing plate 2-1 and left sideboard 1-3, or the connecting rod between right pressing plate 2-2 and connecting plate 3, arbitrary connecting rod 6 is all socketed with first spring 5.When distance between pressing plate and the left sideboard (or connecting plate) connected with it is maximum, the first spring 5 is in nature extended configuration.When side plate 1-3 moves in direction left pressing plate 2-1 left, the first spring between left pressing plate 2-1 and left sideboard 1-3 is compressed, and this first spring can be covered completely by corresponding sleeve, namely sleeve can by being contained in its inner chamber by the first spring after compressing in respective link completely.In like manner, when the distance between right pressing plate 2-2 and connecting plate 3 diminishes, the first spring in respective link also can be contained in its inner chamber by the sleeve between right pressing plate 2-2 and connecting plate 3.
Left pressing plate 2-1, right pressing plate 2-2 and connecting plate 3 three all can move left and right by relative rectangle frame 1, conveniently three moves left and right, the present invention has the long strip chute 23 along front side plate 1-1 direction especially on the front side plate 1-1 of rectangle frame 1 and the inwall of back side panel 1-2, the slide block 22 corresponding with chute 23 is provided with in the side, front and back of left pressing plate 2-1, right pressing plate 2-2 and connecting plate 3, by the movement of slide block 22 in chute 23, left pressing plate 2-1, right pressing plate 2-2, the moving left and right of connecting plate 3 can be realized.
Vertically be connected with four tip of a root cones 7 at the inwall of left sideboard 1-3 by neutral position, the length of pointed cone 7 is greater than the length of sleeve 4, and is less than the ultimate range between left sideboard 1-3 and left pressing plate 2-1.Left pressing plate 2-1 has and pointed cone 7 through hole 20 one to one, when side plate 1-3 direction moves to left pressing plate 2-1 and sleeve 4 tip contact to left pressing plate 2-1 left, the through hole of point on left pressing plate 2-1 at pointed cone 7 top passes the plate face of left pressing plate 2-1, and now the first spring is compressed in sleeve.
Equally, be also vertically connected with four tip of a root cones 7 in the side of connecting plate 3 by neutral position, this four tip of a root cone 7 is all towards right pressing plate 2-2.The length of pointed cone 7 is greater than the length of sleeve, and is less than the ultimate range between connecting plate 3 and right pressing plate 2-2.Right pressing plate 2-2 has and pointed cone 7 through hole one to one, when distance between connecting plate 3 and right pressing plate 2-2 is minimum, the through hole of point on right pressing plate 2-2 at pointed cone 7 top passes the plate face of right pressing plate 2-2, and now the first spring is compressed in corresponding sleeve.
When clamping timber wedge, first timber wedge is placed between two pressing plates, by pushing and pressing mechanism, two pressing plates are extruded, left pressing plate and left sideboard and the distance between right pressing plate and connecting plate are all reduced, and make timber wedge back to two sides fit with the side of two pressing plates respectively, now the first spring is compressed, and pointed cone is penetrated in timber wedge by the through hole on corresponding pressing plate, and then increases the impacting force to timber wedge.
In order to increase the impacting force to timber wedge further, the sharp fin 21 of long strip can also be set on the left surface of the right flank of left pressing plate 2-1 and right pressing plate 2-2, when employing two pressing plates clamping timber wedge, in the sharp fin 21 on two pressing plates can penetrate (or claiming to embed) timber wedge.Point fin 21 is identical with the effect of pointed cone 7, and just its effect dynamics is slightly weak.By the cooperation of sharp fin 21 and pointed cone 7, the chucking power to timber wedge can be strengthened further.
As depicted in figs. 1 and 2, pushing and pressing mechanism comprises extension rod 8, push rod 9, first handle 11 and the second spring 10.Extension rod 8 comprises left extension rod 8-1 and right extension rod 8-2.Left extension rod 8-1 is outwards vertically stretched out by the center of left sideboard 1-3, and right extension rod 8-2 is outwards vertically stretched out by the center of right sideboard 1-4.Left extension rod 8-1 and right extension rod 8-2 is the circular tube structure of hollow, and the inner chamber of right extension rod 8-2 communicates with the inner chamber of rectangle frame 1; The inwall of right extension rod 8-2 is provided with annular boss 8-2-1 near medium position; The center of annular boss 8-2-1 is circular hole.
Push rod 9 is the cylindrical body of rod, push rod 9 cross-under is in the inner chamber of right extension rod 8-2, the left end of push rod 9 stretches in rectangle frame 1 and connects with connecting plate 3 (being connected by bolt), and the right-hand member of push rod 9 passes the center affixed with the center of first handle 11 (being connected by bolt) of annular boss 8-2-1 in right extension rod 8-2.First handle 11 is rod-like structure, and its both end sides (being convenient to the position that staff grips) lays respectively at the both sides of right extension rod 8-2, and it is centrally located in the inner chamber of right extension rod 8-2; Namely first handle 11 passes right extension rod 8-2 along the cross section of right extension rod 8-2.The sidewall of right extension rod 8-2 has the bar hole along right extension rod 8-2 direction, and first handle 11 can move left and right along the relatively right extension rod 8-2 of this bar hole.When first handle 11 moves left and right along bar hole, push rod 9 can be driven to move left and right in the inner chamber of right extension rod 8-2.It should be noted that, the bar hole on right extension rod 8-2 sidewall is positioned at the right side of annular boss 8-2-1.
Push rod 9 is provided with convex shoulder 9-1 near its left end position.Second spring 10 is socketed on push rod 9, the second spring 10 on push rod 9, its left end withstand by the convex shoulder 9-1 on push rod 9, its right-hand member withstand by the annular boss 8-2-1 of right extension rod 8-2 inwall.Second spring 10 is in confined state all the time, and i.e.: when first handle 11 moves to high order end (now the distance of convex shoulder 9-1 distance annular boss 8-2-1 farthest), the second spring 10 is now in slight confined state; Along with first handle 11 moves right, push rod 9 also moves right, and the second spring 10 will by depth-compression.When clamping timber wedge, the second spring 10 is in depth-compression state.
The conveniently gripping of staff, the present invention arranges second handle 12 in the end of right extension rod 8-2, arranges the 3rd handle 13 in the end of left extension rod 8-1.Second handle 12 and the 3rd handle 13 are the circular tube structure of hollow.Circular tube structure can increase the frictional force of staff and handle, and then increases gripping force.
During clamping timber wedge, first first handle 11 is lifted to the right, second spring 10 is compressed, first handle 11 is in the position that right extension rod 8-2 sidewall is kept right in elongate holes, now timber wedge is placed between two pressing plates, decontrol first handle 11 afterwards, push rod 9 is moved to the left under the elastic force effect of the second spring 10, push rod 9 is moved to the left and makes connecting plate 3, right pressing plate 2-2, timber wedge, left pressing plate 2-1 is all moved to the left, and then the first spring 5 is compressed, distance between right pressing plate 2-2 and connecting plate 3 is reduced, distance between left pressing plate 2-1 and left sideboard 1-3 is reduced, pointed cone 7 is finally made to penetrate in timber wedge through the through hole on corresponding pressing plate, realize the clamping to timber wedge.
As shown in Fig. 1 ~ Fig. 3, hold-down mechanism comprises screw rod 14, handwheel 16, screw sleeve 15, adjustable lever 17 and the 3rd spring 18.Screw rod 14 and push rod 9 are on same straight line, the left end of screw rod 14 is affixed with the center of first handle 11 in the inner chamber of right extension rod 8-2 through the center of second handle 12, bearing can be set at screw rod 14 left end, axle sleeve is set at first handle 11 central right, by the connection of bearing and axle sleeve and then realize the affixed of screw rod 14 and first handle 11 center.The right-hand member of screw rod 14 connects with handwheel 16 in the outside of second handle 12.
It is outside that screw sleeve 15 is socketed in screw rod 14, and screw sleeve 15 is also through the center of second handle 12.Screw sleeve 15 has arc notch, and this arc notch is arranged in the inner chamber of second handle 12, and towards one end of second handle 12.
Adjustable lever 17 is plugged in the inner chamber of second handle 12 by one end of second handle 12, one end that adjustable lever 17 stretches into second handle 12 inner chamber is arc tips, this arc tips is just in time relative with the arc notch on screw sleeve 15, the end face of this arc tips is provided with the end-face helical matched with the screw thread on screw rod 14, when the arc tips of adjustable lever 17 stretches into after in screw sleeve 15 inner chamber from the arc notch place of screw sleeve 15, the end-face helical of arc tips can with the threaded engagement on screw rod 14.When after the threaded engagement on the end-face helical and screw rod 14 of adjustable lever 17 arc tips, by rotation hand wheel 16, screw rod 14 can be made to realize moving left and right, moving left and right of screw rod 14 can drive first handle 11, push rod 9 and connecting plate 3 to move left and right, be moved to the left, can realize, to the clamping of timber wedge, moving right, can timber wedge be unclamped.Screw rod 14 not only can make the push rod in pushing and pressing mechanism compress timber wedge further, but also realizes locking function to pushing and pressing mechanism.
When dismantling timber wedge, first to need adjustable lever 17, away from screw rod 14, to make no longer to engage between the two.Conveniently adjustable lever 17 moves in second handle 12 inner chamber, the front end of second handle 12 can be set to opening end, be spirally connected end cap 19 outside its front-end face, make the front end of adjustable lever 17 be exposed at the outside of second handle 12 front end through end cap 19, the rear end (being namely arc tips) of adjustable lever 17 is in second handle 12 inner chamber.Also the handle conveniently extracting adjustable lever 17 can be set in the front end of the outer adjustable lever 17 of second handle 12.
The sidewall of adjustable lever 17 is provided with the annular gear of evagination along 17-2; 3rd spring 18 is socketed on adjustable lever 17, and the two ends of the 3rd spring 18 respectively by gear along 17-2 and end cap 19 withstand, the 3rd spring 18 is in confined state all the time on adjustable lever 17.When threaded engagement on the end-face helical and screw rod 14 of adjustable lever 17 arc tips, the 3rd spring 18 can give adjustable lever 17 1 elastic force backward, and it can be engaged with screw rod preferably.When not needing engagement, external force can be applied on the handle of adjustable lever 17 front end, relying on external force to overcome the elastic force of the 3rd spring 18, making adjustable lever 17 away from screw rod 14.
During in order to ensure that adjustable lever 17 rear end is meshed with screw rod 14, the elastic force that 3rd spring 18 applies is all identical, on the outer side surface of end cap 19 outer side surface and second handle 12 front end, all markings can be set, by rotating end cap 19, the markings on end cap 19 and second handle 12 are overlapped, when can ensure like this to engage at every turn, the elastic force that 3rd spring 18 is applied to adjustable lever 17 is all identical, ensures all can engage preferably at every turn.
When not needing engagement, from the outside of second handle 12 front end, adjustable lever 17 is outwards dropped, drop in process the elastic force needing to overcome the 3rd spring 18.Need because adjustable lever 17 is outwards mobile the elastic force overcoming the 3rd spring 18, therefore must have an external maintenance energy continuous action on adjustable lever 17.And namely the staff power be applied on adjustable lever 17 be this external maintenance energy, but so, staff will be in bond, and increase the labor intensity of people.Based on this, the Front-end Design of adjustable lever 17 can be become platy structure by the present invention, is designed to round structure by the middle part of it, and the 3rd spring 18 is socketed in the central circular structure of adjustable lever 17.The diameter of central circular structure is suitable with the bond length of front end platy structure.End cap 19 is provided with the rectangular opening identical with adjustable lever 17 front end tabular feature cross-section, and this rectangular opening just holds the platy structure of adjustable lever 17 front end.When outwards being extracted by adjustable lever 17, after its front end platy structure is extracted, rotation adjusting lever overturns 90 °, is stuck on the exterior edge face of end cap 19 by the ear end face of front end platy structure, thus can liberate staff.
The present invention can also arrange guide pad 17-1 in the position near its rear end on adjustable lever 17, sideslip when adjustable lever 17 can be avoided mobile in second handle 12 by guide pad 17-1.
Dismounting conveniently between pushing and pressing mechanism and hold-down mechanism, second handle 12 can be separated with right extension rod 8-2, hold-down mechanism is arranged in second handle 12, and setting is in collinear butt tube with right extension rod 8-2 in the left end center of second handle 12, in the end of the end of butt tube and right extension rod 8-2, buttcover plate 24 is all set, the center drilling of two buttcover plates 24, passes to facilitate screw rod 14.Two buttcover plates 24 are bolted, the connection of pushing and pressing mechanism and hold-down mechanism can be realized, also quite convenient during dismounting.
Claims (9)
1. a timber wedge clamping device, is characterized in that, comprising:
Clamping device, connects with pushing and pressing mechanism, for clamping timber wedge;
Pushing and pressing mechanism, connects with described clamping device and hold-down mechanism respectively, applies pressure for giving described clamping device; And
Hold-down mechanism, connects with described pushing and pressing mechanism, for applying pressure further and lock described pushing and pressing mechanism to described clamping device by described pushing and pressing mechanism.
2. timber wedge clamping device according to claim 1, is characterized in that, described clamping device comprises:
Rectangle frame, is surrounded by front side plate, back side panel, left sideboard and right sideboard and forms;
Connecting plate, is positioned at the position of described rectangle frame near described right sideboard, parallel with described right sideboard;
Pressing plate, is arranged between described connecting plate and described left sideboard, parallel with described connecting plate, and quantity is two; One of them pressing plate is connected with described connecting plate activity by connecting rod, and another pressing plate is connected with described left sideboard activity by connecting rod; Pressing plate described in each is equipped with some through holes;
First spring, is socketed on connecting rod described in each;
Sleeve, is fixedly installed on described connecting plate and described left sideboard, with described first spring one_to_one corresponding, and can hold corresponding first spring; And
Pointed cone, is fixedly installed on described connecting plate and described left sideboard, and towards the pressing plate of correspondence, relative one by one with the through hole on corresponding pressing plate, and the point of pointed cone described in each can through through hole corresponding on pressing plate; The length of described pointed cone is greater than the length of described sleeve.
3. timber wedge clamping device according to claim 2, is characterized in that, described pushing and pressing mechanism comprises:
Extension rod, comprises left extension rod and right extension rod, and described left extension rod is outwards vertically stretched out by the center of described left sideboard, and described right extension rod is outwards vertically stretched out by the center of described right sideboard; Described right extension rod is the tubular body of hollow, and the inner chamber of described right extension rod communicates with the inner chamber of described rectangle frame; The inwall of described right extension rod is provided with annular boss;
Push rod, cross-under is in described right extension rod, and its left end stretches in described rectangle frame affixed with described connecting plate, and its right-hand member is through the center of described annular boss in described right extension rod; Described push rod is provided with convex shoulder near its left end position;
First handle, be arranged on the outside of described right extension rod, the right-hand member of its center and described push rod is affixed; And
Second spring, is socketed on described push rod, and described in the described convex shoulder of described push rod and described right extension rod inwall between annular boss.
4. timber wedge clamping device according to claim 3, is characterized in that, the end of described right extension rod is provided with the second handle facilitating staff to grip, and described second handle is the tubular body of hollow; The 3rd handle facilitating staff to grip is provided with in the end of described left extension rod.
5. timber wedge clamping device according to claim 4, is characterized in that, described hold-down mechanism comprises:
Screw rod, through the center of described second handle, the center of its left end and described first handle is affixed;
Handwheel, is arranged on the right-hand member of described screw rod;
Screw sleeve, be socketed in described screw rod outside, described screw sleeve has breach, and described breach is arranged in the inner chamber of described second handle;
Adjustable lever, is plugged in the inner chamber of described second handle, vertical with described screw rod; Described in the inner chamber of described second handle, the end of adjustable lever is provided with the end-face helical matched with the screw thread on described screw rod, and described end-face helical is by the threaded engagement on the breach on described screw sleeve and described screw rod; The sidewall of described adjustable lever is provided with the annular gear edge of evagination; And
3rd spring, is socketed on described adjustable lever, and between the described gear edge and described second handle side inwall of described adjustable lever.
6. timber wedge clamping device according to claim 2, is characterized in that, is provided with slide block in the forward and backward side of described pressing plate and described connecting plate, and described front side plate and described back side panel have chute, and described slide block can slide in described chute.
7. timber wedge clamping device according to claim 2, it is characterized in that, the side that two described pressing plates are relative is equipped with long strip point fin, and when two described pressing plates clamping timber wedges, described long strip point fin can to penetrate in timber wedge thus the chucking power increased timber wedge.
8. timber wedge clamping device according to claim 3, is characterized in that, the sidewall of described right extension rod has the bar hole along described right extension rod direction, and described first handle can move around along described bar hole.
9. the timber wedge clamping device according to any one of claim 2 ~ 8, is characterized in that, two described pressing plates are slab construction or have the concave structure of arc groove; The pressing plate of two slab constructions is for clamping the timber wedge that side is plane, and the pressing plate of two concave structures is for clamping the timber wedge that side is arc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331925.9A CN104896254B (en) | 2015-06-16 | 2015-06-16 | A kind of timber wedge clamping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331925.9A CN104896254B (en) | 2015-06-16 | 2015-06-16 | A kind of timber wedge clamping device |
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| CN104896254A true CN104896254A (en) | 2015-09-09 |
| CN104896254B CN104896254B (en) | 2016-10-19 |
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| Publication number | Publication date |
|---|---|
| CN104896254B (en) | 2016-10-19 |
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