CN204492011U - Lever type clamping pincers and reinforcing steel bar connecting device - Google Patents
Lever type clamping pincers and reinforcing steel bar connecting device Download PDFInfo
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- CN204492011U CN204492011U CN201520173800.3U CN201520173800U CN204492011U CN 204492011 U CN204492011 U CN 204492011U CN 201520173800 U CN201520173800 U CN 201520173800U CN 204492011 U CN204492011 U CN 204492011U
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- tong arm
- steel bar
- clamping
- hinged
- connection joint
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Abstract
The utility model provides a kind of lever type clamping for installing Taper-sleeve locking-type steel bar connection joint and clamps and reinforcing steel bar connecting device, this lever type clamping pincers comprise drive unit and two clamping tong arms be hinged, each described clamping tong arm includes interconnective jaw and tong arm body, the length of described tong arm body is greater than the length of described jaw, two described tong arm bodies and drive unit hinged; Described drive unit can drive two described tong arm bodies to open or close, and correspondingly clamps to make two jaws or leaves described tapered sleeve.The lever type clamping pincers that the utility model provides, use lever principle, and by hinged for two clamping tong arms, and the length of tong arm body is greater than the length of described jaw, and jaw size is little, and this lever type clamping caliper amasss little, lightweight; The labour intensity of in-site installation operation is little, and the larger thrust that reinforcing bar to be connected compresses to be needed is reduced to the less thrust at drive unit two ends by lever construction, flexible operation.
Description
Technical field
The utility model relates to mechanical connection technique of reinforcement field, especially relates to a kind of lever type clamping for installing Taper-sleeve locking-type steel bar connection joint and clamps and reinforcing steel bar connecting device.
Background technology
Tapered sleeve locking mechanical connection technique of reinforcement be a kind of can the technology of connecting reinforcement easily and efficiently, specifically referring to publication number is CN203613728U, the patent document that name is called " Taper-sleeve locking-type steel bar connection joint and erecting tools thereof ".
Publication number be CN203636742U patent document discloses a kind of hydraulic installation tool for installing Taper-sleeve locking-type steel bar connection joint described above, this erecting tools is orthoscopic clamping tool, and using method is as follows:
The pressure head 5 being used for the hydraulic installation tool installing Taper-sleeve locking-type steel bar connection joint is enclosed within reinforcing bar 3 to be connected, to utilize manually behind location or electric hydraulic pump imports and exports 6-1 oil transportation to hydraulic oil, piston 8 drives pull bar 4 to bounce back in hydraulic cylinder 6 body, pressure head 5 is made to produce axial compression campaign and close to each other, apply axial compression power to tapered sleeve end to extrude, two ends tapered sleeve 2 is made to axially move and shorten spacing, until reach designing requirement, lock sheet groups 1A tightens up and bites reinforcing bar 3 to be connected, and it is also fixing away from realization by inclined-plane self-locking between lock sheet groups 1A and tapered sleeve 2A, rely on the elastic force of back-moving spring 7, make piston 8 drive pull bar 4 overhanging, thus pressure head 5 mutually away from, take off hydraulic installation tool, check the firmness of bar connecting, namely complete the connection of two reinforcing bars.
Above-mentioned, this orthoscopic clamping tool has following defect:
The first, the radial dimension of hydraulic cylinder 6 is large, and namely diameter is large, and joint compresses needs great thrust, and hydraulic cylinder just must provide the thrust exceeding this value, so cylinder diameter is large,
The second, cylinder diameter is larger, and it is larger that joint connects the space needed, and namely the pitch requirements of adjacent reinforcing bar is larger, limit the reinforcing bar density in concrete structure, for the structure of reinforced mesh, reinforcing cage and so on, when connecting inner reinforcing bar, because of by space constraint, operate more difficult;
Three, whole clamping tool is heavy, and the labour intensity of in-site installation operation is large, malfunction.
Utility model content
The purpose of this utility model is to provide a kind of lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint and reinforcing steel bar connecting device, to overcome the large defect of the cylinder diameter that exists in prior art.
A kind of lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint that the utility model provides, wherein, comprise drive unit and two clamping tong arms be hinged, each described clamping tong arm includes interconnective jaw and tong arm body, the length of described tong arm body is greater than the length of described jaw, two described tong arm bodies and drive unit hinged; Described drive unit can drive two described tong arm bodies to open or close, and correspondingly clamps to make two described jaws or leaves described tapered sleeve.
Preferably, described drive unit is hydraulic cylinder, and described hydraulic cylinder comprises piston rod and cylinder body, and the one in described piston rod and two described tong arm bodies is hinged, and the another one in described cylinder body and two described tong arm bodies is hinged.
Preferably, described drive unit is hydraulic cylinder with double piston rods, two piston rods in described hydraulic cylinder with double piston rods and two described tong arm body one_to_one corresponding hinged.
Preferably, described drive unit comprises intermeshing leading screw and nut, and the one in described leading screw and two described tong arm bodies is hinged, and the another one in described nut and two described tong arm bodies is hinged.
Preferably, described leading screw is hinged by the one in connector and two described tong arm bodies, and one end that described leading screw is connected with described connector is provided with hemisphere jut, and one end that described connector is connected with described leading screw is correspondingly provided with ball recess;
Described leading screw connects motor or described leading screw is provided with hand rotation jack;
When driving described screw turns, described hemisphere jut can rotate and promote described clamping tong arm and opens or close in described ball recess.
Preferably, described nut is hinged by the one in connector and two described tong arm bodies, and one end that described nut is connected with described connector is provided with ball recess, and one end that described connector is connected with described nut is correspondingly provided with hemisphere jut;
Described nut connects motor or described nut is provided with hand rotation jack;
When driving described nut rotation, described hemisphere jut can rotate and promote described clamping tong arm and opens or close in described ball recess.
Preferably, the described lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint also comprise junction plate, described junction plate respectively with two described clamping tong arm hinged and form two jointed shafts, indirectly hinged to realize two described clamping tong arms.
Preferably, the part between two described jointed shafts of two described clamping tong arms is provided with gear engagement mechanism, the gearratio of described gear engagement mechanism is 1:1, to keep the stability of quadric chain be made up of hydraulic cylinder, junction plate and two clamping tong arms, and realize two described clamping tong arms and be synchronized with the movement.
Preferably, the one side respect to one another of two described jaws is cambered surface, the cambered surface of each described jaw is respectively equipped with the arc cushion block coincide with this cambered surface.
Preferably, be provided with extension spring between described jaw and arc cushion block, one end of described extension spring is connected with described jaw, and the other end of described extension spring is connected with described arc cushion block.
The utility model also provides a kind of reinforcing steel bar connecting device, comprise Taper-sleeve locking-type steel bar connection joint and clamp according to the lever type clamping for installing Taper-sleeve locking-type steel bar connection joint described in the utility model, described Taper-sleeve locking-type steel bar connection joint is between two described jaws of the described lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint.
The lever type clamping pincers that the utility model provides, use lever principle, and by hinged for two clamping tong arms, and the length of tong arm body is greater than the length of described jaw, has following beneficial effect:
The first, by the thrust that drive unit produces, amplify by lever ratio, form the larger thrust of butt joint; Realize same tonnage clamp power, the thrust of required drive unit is little, and jaw size is little.
The second, jaw is flexibly small and exquisite, jaw along the radial dimension L3 (as shown in Figure 3) of reinforcing bar to be connected slightly larger than the diameter of reinforcing bar to be connected, compared with prior art size reduces greatly, the space that bar connecting to be connected needs is less, namely the pitch requirements of adjacent reinforcing bar is less, for the structure of reinforced mesh, reinforcing cage and so on, even if narrow space, also inner reinforcing bar can be connected flexibly and easily;
Three, connect the axial dimension along reinforcing bar to be connected (in Fig. 2 between two jaws distance) vertically needed also greatly to reduce, conveniently to connect;
Four, whole clamping tool, volume is little, lightweight; The labour intensity of in-site installation operation is little, and the larger thrust that reinforcing bar to be connected compresses to be needed is reduced to the less thrust at drive unit two ends by lever construction, flexible operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model detailed description of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of the hydraulic installation tool for installing Taper-sleeve locking-type steel bar connection joint of the prior art;
Fig. 2 is the overall structure schematic diagram (which includes Taper-sleeve locking-type steel bar connection joint and the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint) of the reinforcing steel bar connecting device of the utility model embodiment;
Fig. 3 is the partial top view at jaw place on the right side of Fig. 2;
Fig. 4 is that the lever type clamping icarceration in Fig. 2 closes view;
Fig. 5 is the structural representation of the drive unit of a kind of embodiment of the utility model;
Fig. 6 is the structural representation of the drive unit of the another kind of embodiment of the utility model;
Fig. 7 is the structural representation of Taper-sleeve locking-type steel bar connection joint in Fig. 2;
Fig. 8 is the structural representation of tapered sleeve in Fig. 7;
Fig. 9 is the structural representation of lock sheet groups in Fig. 7.
Reference numeral:
1. lock sheet groups; 1-1. teeth groove; 1-2. boss;
2. tapered sleeve; 2-1. tapered sleeve front end; 2-2. tapered sleeve end;
9. reinforcing bar to be connected; 11. hydraulic cylinders;
12. clamping tong arms; 13. junction plates; 14. gear engagement mechanisms;
15. extension springs; 16. arc cushion blocks; 121. tong arm bodies;
122. jaw; 17. connectors; 18. hemisphere juts;
19. leading screws; 20. nuts; 21. hand rotation jacks;
22. motor; 23. worm screws; 24. turbines;
Detailed description of the invention
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is a part for the utility model embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.Wherein, term " primary importance " and " second place " are two different positions.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Fig. 2 is the overall structure schematic diagram (which includes Taper-sleeve locking-type steel bar connection joint and the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint) of the reinforcing steel bar connecting device of the utility model embodiment; Fig. 3 is the partial top view at jaw place on the right side of Fig. 2; Fig. 4 is that the lever type clamping icarceration in Fig. 2 closes view.As depicted in figs. 1 and 2, the utility model provides a kind of lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint, comprise drive unit and two clamping tong arms 12 be hinged, each clamping tong arm 12 includes interconnective jaw 122 and tong arm body 121, the length of described tong arm body 121 is greater than the length of described jaw 122, two tong arm bodies 121 are hinged with drive unit, drive unit can drive two tong arm bodies 121 to open or close, and correspondingly clamps to make two jaws 122 or leaves tapered sleeve 2.
Fig. 7 is the structural representation of Taper-sleeve locking-type steel bar connection joint in Fig. 2; Fig. 8 is the structural representation of tapered sleeve in Fig. 7; Fig. 9 is the structural representation of lock sheet groups in Fig. 7.As shown in figs. 7 to 9, Taper-sleeve locking-type steel bar connection joint in the utility model comprises lock sheet groups 1 and tapered sleeve 2, described lock sheet groups 1 entirety is in shuttle shape, its inside is provided with locking teeth groove 1-1, and described tapered sleeve 2 is provided with a pair, and its inner chamber is vertebra shape, a pair tapered sleeve 2 symmetry is sleeved in lock sheet groups 1, described lock sheet groups 1 inside is also provided with boss 1-2, and described boss 1-2 is arranged on the centre position of lock sheet groups 1 inner surface, treats connecting reinforcement 9 and plays positioning action.
Wherein, drive unit can be various applicable structures, can be linear drives structure, also can be screw drives structure, hereafter will describe in detail.Drive unit is connected with two left ends clamping tong arm 12, when drive unit drives two tong arm bodies 121 to open, when namely the left end of two tong arm bodies 121 moves away from each other, and two jaws 122 correspondingly clamping cone sleeve 2; When drive unit drives two tong arm bodies 121 to close, when namely the left end of two tong arm bodies 121 moves towards each other, two jaws 122 correspondingly leave tapered sleeve 2.
The utility model is by hinged, and make each clamping tong arm 12 form a lever, pin joint is fulcrum, achieves the amplification of clamping force.
The lever type clamping pincers that the utility model provides, use lever principle, and by hinged for two clamping tong arms 12, and the length of tong arm body 121 is greater than the length of described jaw 122, has following beneficial effect:
The first, by the thrust that drive unit produces, amplify by lever ratio, form the larger thrust of butt joint; Realize same tonnage clamp power, the thrust of required drive unit is little, and jaw size is little.
The second, jaw 122 is flexibly small and exquisite, jaw 122 along the radial dimension L3 (as shown in Figure 3) of reinforcing bar 9 to be connected slightly larger than the diameter of reinforcing bar 9 to be connected, compared with prior art size reduces greatly, it is less that reinforcing bar 9 to be connected connects the space needed, namely the pitch requirements of adjacent reinforcing bar is less, for the structure of reinforced mesh, reinforcing cage and so on, even if narrow space, also inner reinforcing bar can be connected flexibly and easily;
Three, connect the axial dimension along reinforcing bar 9 to be connected (in Fig. 2 between two jaws 122 distance) vertically needed also greatly to reduce, conveniently to connect;
Four, the lever type clamping caliper of this installation Taper-sleeve locking-type steel bar connection joint amasss little, lightweight; The labour intensity of in-site installation operation is little, and the larger thrust that reinforcing bar 9 to be connected compresses to be needed is reduced to the less thrust at drive unit two ends by lever construction, flexible operation.
In order to reduce the weight of clamping tong arm 12, reduce its sectional dimension, the material of the clamping tong arm 12 in present embodiment preferably uses unimach, and yield strength is not less than 1400MPa, and tensile strength is not less than 1600MPa; In order to alleviate the weight of clamping tong arm 12 further, the cross section of the clamping tong arm 12 in present embodiment is I shape.
In the present embodiment, drive unit is hydraulic cylinder 11, and hydraulic cylinder 11 comprises piston rod and cylinder body, and the one in piston rod and two tong arm bodies 121 is hinged, and the another one in cylinder body and two tong arm bodies 121 is hinged.The left end that cylinder body and piston rod promote connected tong arm body 121 respectively towards or move away from each other, to leave or clamping cone sleeve 2.
In order to loss of weight, improve the operating characteristics of this lever type clamping pincers, hydraulic cylinder 11 preferably uses the ultra-high voltage aluminum liquefaction cylinder that operating pressure is 70MPa, possesses little, the lightweight advantage of volume.
Further, drive unit in this enforcement is hydraulic cylinder with double piston rods, two piston rods that this hydraulic cylinder with double piston rods comprises cylinder body and is connected with cylinder body two ends, two piston rods in hydraulic cylinder with double piston rods and two tong arm body 121 one_to_one corresponding hinged, namely a piston rod connects a tong arm body 121.Present embodiment adopts hydraulic cylinder with double piston rods to drive, and can ensure that two clamping tong arms 12 are synchronized with the movement, improve the stationarity of clamping process.
Fig. 5 is the structural representation of the drive unit of a kind of embodiment of the utility model; Fig. 6 is the structural representation of the drive unit of the another kind of embodiment of the utility model.The present embodiment provides the concrete structure of another kind of drive unit, as shown in Figure 5 and Figure 6, drive unit is leading screw 19 nut 20 mechanism, comprise intermeshing leading screw 19 and nut 20, one in leading screw 19 and two tong arm bodies 121 is hinged, and the another one in nut 20 and two tong arm bodies 121 is hinged.No matter drive leading screw 19 or drive nut 20, the distance between the left end that can both change two tong arm bodies 121, promotes two tong arm bodies 121 and moves away from each other, or pull two tong arm bodies 121 to move towards one another.
In the embodiment shown in Fig. 5, leading screw 19 is hinged by the one in connector 17 and two tong arm bodies 121, one end (being upper end in Fig. 5) that leading screw 19 is connected with connector 17 is provided with hemisphere jut 18, and the other end of leading screw 19 is connected with one end of nut 20 (other end of nut 20 is hinged with tong arm body 121 below); One end (being lower end in Fig. 5) that connector 17 is connected with leading screw 19 is correspondingly provided with ball recess, and the other end and the tong arm body 121 of connector 17 are hinged; Leading screw 19 connects motor 22 or leading screw 19 is provided with hand rotation jack 21; Manually or motorized motions leading screw 19 rotates time, hemisphere jut 18 can rotate and promote to clamp tong arm 12 and opens or close in ball recess.Present embodiment can also make distortion, and ball recess is arranged in the upper end by the leading screw 19 in Fig. 5, and hemisphere jut is arranged in the lower end of connector 17.
In the embodiment shown in Fig. 5, the power of motor 22 passes to leading screw 19 by worm-and-wheel gear, rotates to drive leading screw 19.Wherein, worm-and-wheel gear comprises worm screw 23 and turbine 24, and worm screw 23 is connected with the output shaft of motor 22, and turbine 24 engages with worm screw 23, and turbine 24 is enclosed within outside leading screw 19.When after unlatching motor 22, the output shaft of motor 22 drives worm screw 23 to rotate, and worm screw 23 drives turbine 24 to rotate, and leading screw 19 rotates under the drive of turbine 24.
In the embodiment shown in fig. 6, nut 20 is hinged by the one in connector 17 and two tong arm bodies 121, one end (being lower end in Fig. 6) that nut 20 is connected with connector 17 is provided with ball recess, and the other end of nut 20 is connected with one end (other end of screw rod is hinged with tong arm body 121 above) of screw rod; One end (being upper end in Fig. 6) that connector 17 is connected with nut 20 is correspondingly provided with hemisphere jut 18, and the other end and the tong arm body 121 of connector 17 are hinged; Nut 20 connects motor 22 or nut 20 is provided with hand rotation jack 21; When drive nut 20 rotates, hemisphere jut 18 can rotate and promote clamping tong arm 12 and opens or close in ball recess.Present embodiment can also make distortion, and hemisphere jut is arranged in the lower end by the nut 20 in Fig. 6, and ball recess is arranged in the upper end of connector 17.
Further, two clamping tong arms 12 can direct hinged formation X-shaped structure, also can be indirectly hinged by intermediary.Fig. 2 and Fig. 4 provides a kind of concrete mode of indirect connection, and lever type clamping wherein pincers also comprise junction plate 13, and junction plate 13 clamp tong arm 12 respectively with two hinged and form two jointed shafts, and to realize two, to clamp tong arms 12 indirectly hinged.Junction plate 13 clamps the hinged formation of tong arm 12 two jointed shafts respectively with two.The quadric chain that two clamping tong arm 12, junction plates 13 and drive unit (such as hydraulic cylinder 11) form.
Further, the part between two described jointed shafts of two clamping tong arms 12 is provided with gear engagement mechanism 14, the gearratio of this gear engagement mechanism 14 is 1:1, to keep the stability of quadric chain be made up of hydraulic cylinder 11, junction plate 13 and two clamping tong arms 12, and realize two clamping tong arms 12 and be synchronized with the movement.Particularly, as shown in Figure 2, the middle part of two clamping tong arms 12 is protruding toward each other, form scallop respectively, clamping tong arm 12 above and clamping tong arm 12 are below provided with the gear that can cooperatively interact (contact site of two clamping tong arms 12 can be processed into involute cylindrical gear and engage each other), when drive unit drives two clamping tong arms 12 to rotate around jointed shaft that is respective and junction plate 13 respectively, also there is gear drive in contact position between the two, while ensureing that two clamping tong arms 12 are synchronized with the movement, also improve the stability of four-bar linkage structure motion.
Further, the one side respect to one another of two jaws 122 is cambered surface, and the cambered surface of each described jaw 122 is respectively equipped with the arc cushion block 16 coincide with this cambered surface, the cambered surface of arc cushion block 16 and the cambered surface of jaw 122 match, as shown in figs. 2 and 4.This arc cushion block 16 jaw 122 and and tapered sleeve 2 between, and contact with tapered sleeve 2 with jaw 122 respectively and connect, wherein, the side of arc cushion block 16 is cambered surface, and opposite side is the end contact of plane, plane and tapered sleeve 2.In present embodiment, arc cushion block 16 plays aligning effect, ensures that drive unit passes to the clamping force direction of jaw 122 parallel with the axis direction (being also length direction, the vertical direction namely in Fig. 2) of reinforcing bar 9 to be connected all the time.
Particularly, cambered surface can be arc surface, and to make this arc cushion block 16 can at jaw 122 by surface pivots, now preferably, the inner surface of jaw 122 and arc cushion block 16 contact site be also arc surface.
Arc cushion block 16 is adapted to tapered sleeve 2 lock-on connection of all size of nominal diameter 16-50mm, the reinforcing bar of different-diameter, and the thickness of arc cushion block 16, arc radius, cushion block diameter are different from opening equidimension, and user selects as required.
During use, arc cushion block 16 can manually be placed, and also can be connected with jaw 122 by arc cushion block 16 by the securing member of such as screw, bolt and so in advance.
Preferably, be provided with extension spring 15 between jaw 122 and arc cushion block 16, one end of extension spring 15 is connected with jaw 122, and the other end of extension spring 15 is connected with arc cushion block 16.Present embodiment achieves flexibly connecting of arc cushion block 16 by extension spring 15, and such arc cushion block 16 also has slight degree of freedom, suitably can rotate in the process of clamping, fits tightly with the inner surface of jaw 122 to make the cambered surface of this arc cushion block 16.Due in clamping process, jaw 122 stressed very complicated, can the portion's of elimination strength respectively by flexibly connecting the degree of freedom that has between arc cushion block 16 and jaw 122, ensures that clamping process is smooth and easy and carry out.
Different according to reinforcing bar thickness, required clamping force is different, and these lever type clamping pincers being used for installing taper sleeve type locking steel bar connector are divided into several different specification by tonnage.
The utility model also provides a kind of reinforcing steel bar connecting device, comprise Taper-sleeve locking-type steel bar connection joint and clamp according to the lever type clamping for installing Taper-sleeve locking-type steel bar connection joint described in the utility model, described Taper-sleeve locking-type steel bar connection joint is between two described jaws 122 of the described lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint.
Utilize the utility model to provide to install Taper-sleeve locking-type steel bar connection joint the method for connecting reinforcement (i.e. the utility model provide the using method of reinforcing steel bar connecting device) for the lever type clamping pincers installing Taper-sleeve locking-type steel bar connection joint as follows: two pieces tapered sleeve 2 is enclosed within the end of two reinforcing bars 9 to be connected by (1) respectively, make two tapered sleeve front end 2-1 in being oppositely arranged, the end of tapered sleeve 2 is had to insert the two ends of lock sheet groups 1 respectively in two reinforcing bar 9 covers to be connected again, end to reinforcing bar 9 to be connected is stuck in the boss 1-2 place of lock sheet groups 1 inner surface, then tapered sleeve 2 is buckled in lock sheet groups 1 and is fixed, (2) jaw 122 being used for the lever type clamping pincers installing Taper-sleeve locking-type steel bar connection joint is enclosed within reinforcing bar 9 to be connected, manual mode (such as hand rotation jack 21) is utilized behind location, electronic mode (such as motor 22) or hydraulic way (such as hydraulic cylinder 11) drive the left end of two clamping tong arms 12 to move away from each other, jaw 122 is made to produce axial compression campaign and close to each other, apply axial compression power to tapered sleeve end 2-2 to extrude, two ends tapered sleeve 2 is made to axially move and shorten spacing, until reach designing requirement, lock sheet groups 1 is tightened up and is bitten reinforcing bar 9 to be connected, and also realized fixing between lock sheet groups 1 and tapered sleeve 2 by inclined-plane self-lock mechanism, (3) manual, electronic (motor) or hydraulic pump 11 is utilized to drive the left end of clamping tong arm 12 to move towards one another, jaw 122 jaw is made to leave tapered sleeve 2, two jaws 122 mutually away from, take off this lever type clamping pincers, check the firmness of bar connecting, namely complete the connection of two reinforcing bars.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in aforementioned each embodiment, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (11)
1. one kind is clamped for the lever type clamping installing Taper-sleeve locking-type steel bar connection joint, it is characterized in that, comprise drive unit and two clamping tong arms be hinged, each described clamping tong arm includes interconnective jaw and tong arm body, the length of described tong arm body is greater than the length of described jaw, two described tong arm bodies and drive unit hinged; Described drive unit can drive two described tong arm bodies to open or close, and correspondingly clamps to make two described jaws or leaves described tapered sleeve.
2. the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint according to claim 1, it is characterized in that, described drive unit is hydraulic cylinder, described hydraulic cylinder comprises piston rod and cylinder body, one in described piston rod and two described tong arm bodies is hinged, and the another one in described cylinder body and two described tong arm bodies is hinged.
3. the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint according to claim 1, it is characterized in that, described drive unit is hydraulic cylinder with double piston rods, two piston rods in described hydraulic cylinder with double piston rods and two described tong arm body one_to_one corresponding hinged.
4. the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint according to claim 1, it is characterized in that, described drive unit comprises intermeshing leading screw and nut, one in described leading screw and two described tong arm bodies is hinged, and the another one in described nut and two described tong arm bodies is hinged.
5. the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint according to claim 4, it is characterized in that, described leading screw is hinged by the one in connector and two described tong arm bodies, one end that described leading screw is connected with described connector is provided with hemisphere jut, and one end that described connector is connected with described leading screw is correspondingly provided with ball recess;
Described leading screw connects motor or described leading screw is provided with hand rotation jack;
When driving described screw turns, described hemisphere jut can rotate and promote described clamping tong arm and opens or close in described ball recess.
6. the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint according to claim 4, it is characterized in that, described nut is hinged by the one in connector and two described tong arm bodies, one end that described nut is connected with described connector is provided with ball recess, and one end that described connector is connected with described nut is correspondingly provided with hemisphere jut;
Described nut connects motor or described nut is provided with hand rotation jack;
When driving described nut rotation, described hemisphere jut can rotate and promote described clamping tong arm and opens or close in described ball recess.
7. the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint according to any one of claim 1-6, it is characterized in that, also comprise junction plate, described junction plate respectively with two described clamping tong arm hinged and form two jointed shafts, indirectly hinged to realize two described clamping tong arms.
8. the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint according to claim 7, it is characterized in that, the part between two described jointed shafts of two described clamping tong arms is provided with gear engagement mechanism, and the gearratio of described gear engagement mechanism is 1:1.
9. the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint according to any one of claim 1-6, it is characterized in that, the one side respect to one another of two described jaws is cambered surface, the cambered surface of each described jaw is respectively equipped with the arc cushion block coincide with this cambered surface.
10. the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint according to claim 9, it is characterized in that, be provided with extension spring between described jaw and arc cushion block, one end of described extension spring is connected with described jaw, and the other end of described extension spring is connected with described arc cushion block.
11. 1 kinds of reinforcing steel bar connecting devices, it is characterized in that, comprise Taper-sleeve locking-type steel bar connection joint and the lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint according to any one of this claim 1-10, described Taper-sleeve locking-type steel bar connection joint is between two described jaws of the described lever type clamping pincers for installing Taper-sleeve locking-type steel bar connection joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173800.3U CN204492011U (en) | 2015-03-26 | 2015-03-26 | Lever type clamping pincers and reinforcing steel bar connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173800.3U CN204492011U (en) | 2015-03-26 | 2015-03-26 | Lever type clamping pincers and reinforcing steel bar connecting device |
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| CN204492011U true CN204492011U (en) | 2015-07-22 |
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| CN201520173800.3U Withdrawn - After Issue CN204492011U (en) | 2015-03-26 | 2015-03-26 | Lever type clamping pincers and reinforcing steel bar connecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021004308A1 (en) * | 2019-07-08 | 2021-01-14 | 湖北思泽新能源科技有限公司 | Hydraulic pliers for connecting reinforcing bars |
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2015
- 2015-03-26 CN CN201520173800.3U patent/CN204492011U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021004308A1 (en) * | 2019-07-08 | 2021-01-14 | 湖北思泽新能源科技有限公司 | Hydraulic pliers for connecting reinforcing bars |
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Granted publication date: 20150722 Effective date of abandoning: 20160914 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |