CN105013985A - Shearing device and shearing equipment - Google Patents
Shearing device and shearing equipment Download PDFInfo
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- CN105013985A CN105013985A CN201410170901.5A CN201410170901A CN105013985A CN 105013985 A CN105013985 A CN 105013985A CN 201410170901 A CN201410170901 A CN 201410170901A CN 105013985 A CN105013985 A CN 105013985A
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Abstract
The invention relates to a shearing device and shearing equipment. The invention provides a shearing device and shearing equipment including the shearing device. The shearing device comprises a support device, a joining device for connecting the support device with a driving source, a linking device arranged in the support device and operatively connected with the joining device, and a shearing part supported on the support device and operatively connected with the linking device, wherein the linking device comprises a first linking component operatively connected with the joining device, and two second connecting components for operatively connecting the first connecting component with the shearing part; the lower parts of the two second connecting components are each provided with a notch; and the second connecting components are connected to the first connecting component through the notches. The shearing device can prevent eccentric loading, can smoothly finish the shearing, and prevents the damage.
Description
Technical field
The present invention relates to a kind of shear and shearing equipment, particularly, relate to for shearing the shear of cable or chain link etc. and comprising the shearing equipment of this shear.
Background technology
The content of this part provide only the background information relevant to the disclosure, and it may not form prior art.
Cutting nippers is a kind of shear being specifically designed to elongated material such as shearing cable, chain link etc., belongs to large-scale scissors, utilizes " lever principle " and " pressure and area are inversely proportional to " to design.Cutting nippers is widely used in harbour, electric power, iron and steel, shipbuilding, petrochemical industry, mine, railway, building, chemical metallurgy, automobile making, plastics machinery, Industry Control, highway, Over-size transport, pipeline additionally arrange, side slope tunnel, hoistway administer important industry and the plant equipment needed for various infrastructural project such as protection, marine salvage, ocean engineering, airport construction, bridge, Aeronautics and Astronautics, venue.Common cutting nippers is equipped with high-carbon steel tungsten alloy steel blade, promptly can cut off cable, chain link etc., and sturdy and durable.
For strengthening intensity, the convenience of cutting nippers, cutting nippers develops Ratchet cutter from traditional manual cutting nippers, occurs hydraulic pressure cutting nippers, electric hydaulic cutting nippers, all-electric cutting nippers successively again.Further, in order to the facility of transporting and keeping in repair, also been developed split type cutting nippers, it can use together with independently drive source, such as manual pump, electrodynamic pump etc.The two kinds of split type cutting nippers extensively adopted at present are fluid pressure type/vapour-pressure type cutting nippers and electric cut nippers.
Fluid pressure type/vapour-pressure type cutting nippers generally includes a fixture, fixture is processed with draw-in groove, chain annular groove, moving knife gathering sill and quiet cutter gathering sill, in draw-in groove, card has the hydraulic cylinder with flange, plunger is had in hydraulic cylinder, the left end of movable blades is connected by the right-hand member of return plate and plunger, then snap in the draw-in groove of fixture by hydraulic cylinder by its flange, movable blades is put into the movable blades gathering sill of fixture, stationary blade puts into the stationary blade gathering sill of fixture.During use, first put into cut groove by by the cable (or chain link) cut, then in cylinder body, inject highly pressurised liquid/gas, under the effect of hydraulic coupling/atmospheric pressure, plunger promotes movable blades and moves, and coordinates form shearing force and cut off by cable/chain link with stationary blade.
Electric cut nippers adopts lithium battery as power source, and device interior has multiple sets of teeth to take turns, and rotated by multiple sets of teeth wheel and drive edge of a knife folding, this electric cut nippers easily can cut off large-sized cable.
Applicant has been found that current cutting nippers exists some problems, and such as hydraulic pump/air pump may transship, and makes blade still continue shear action after cable is cut off, causes excessive shear; Force may be there is in shear history uneven, blade be occurred in shear history crooked, etc.These problems may cause shearing the service life etc. that cannot complete or shorten cutting nippers smoothly.
Therefore, need to design a kind of new-type cable mippers, it can overcome the above-mentioned problems of the prior art of at least some.
Summary of the invention
An object of the present invention is to provide a kind of shear, it can prevent excessive shear from occurring.
Another object of the present invention is to provide a kind of shear, and it can prevent unbalance loading from occurring.
Another object of the present invention is to provide a kind of shear, and it can realize the quick joint of shear and external drive source.
One or more to achieve these goals, provide a kind of shear according to an aspect of the present invention, it comprises: supporting arrangement; Engagement device, supporting arrangement is connected with drive source by it; Linkage, it to be arranged in supporting arrangement and to be operatively connected with engagement device; Cutting member, it to be bearing on supporting arrangement and to be operatively connected with linkage; Wherein, linkage comprises: the first coupling member, and it is operatively connected with engagement device; Two the second coupling members, the first coupling member is operatively connected with cutting member by two the second coupling members, and wherein the bottom of two the second coupling members includes notch, and the second coupling member is connected to the first coupling member by notch.
Particularly, according to the shear of one aspect of the invention, wherein, each second coupling member includes: laterally extending junction surface; First connecting portion, the first connecting portion upwards extends from the one end at junction surface, and cutting member is pivotally connected on the first connecting portion; And second connecting portion and the 3rd connecting portion, 3rd connecting portion and the second connecting portion respectively from the one end at junction surface with the relative other end to downward-extension, notch is formed between the second connecting portion and the 3rd connecting portion, and the second connecting portion and the 3rd connecting portion are connected with the first coupling member by notch and the equipped of the first coupling member.
Particularly, according to the shear of one aspect of the invention, wherein, the first coupling member vertical connecting portion in order to connect the second coupling member of comprising the level connection joint portion for connecting engagement device and extending from the mediad in level connection joint portion; And wherein, vertical connecting portion to be arranged in two the second coupling members notch separately and to be pivotally connected to by bearing pin and the second connecting portion and the 3rd connecting portion.
Particularly, according to the shear of one aspect of the invention, wherein, two the second coupling member faces are connected to vertical connecting portion in the opposite direction, make two the second coupling members the first connecting portion separately in the both sides of vertical connecting portion.
Particularly, according to the shear of one aspect of the invention, wherein, the level connection joint portion of the first coupling member is circular, oval, rectangle or square.
Particularly, according to the shear of one aspect of the invention, wherein, the limiting section of the range limiting linkage is provided with in supporting arrangement.
Particularly, according to the shear of one aspect of the invention, wherein, supporting arrangement comprises: inner space, and it is positioned at the bottom of supporting arrangement, and a part for linkage is contained in inner space, and limiting section is positioned at the top of inner space; Opening portion, it is formed in the bottom of inner space, and a part for engagement device can act on linkage through opening portion; Support, support is arranged on the top of supporting arrangement, and cutting member is mounted to support pivotally.
Particularly, according to the shear of one aspect of the invention, wherein, supporting arrangement is " U " shape structure.
Particularly, according to the shear of one aspect of the invention, wherein, engagement device comprises: attaching parts, and its one end is connected with supporting arrangement, and the relative other end can be connected with drive source; Drive disk assembly, it is arranged in attaching parts, and is operatively connected with linkage, and the driving shaft of drive source acts on drive disk assembly through attaching parts.
Particularly, according to the shear of one aspect of the invention, wherein, engagement device also comprises elastomeric element, elastomeric element be arranged to can between itself and drive disk assembly transmitting force, and elastomeric element is arranged between supporting arrangement and attaching parts.
Particularly, according to the shear of one aspect of the invention, wherein, the lower end of elastomeric element and drive disk assembly adjoins.
Particularly, according to the shear of one aspect of the invention, wherein, the upper end of drive disk assembly be connected to linkage the first coupling member on the downside of recess in.
Particularly, according to the shear of one aspect of the invention, wherein, the upper end of drive disk assembly is by heterotypic spring, press-fit, welding and/or bondingly to engage with the recess of the first coupling member.
Particularly, according to the shear of one aspect of the invention, wherein, attaching parts are the nipple for connecting drive source, drive disk assembly is the sleeve for connecting linkage, and elastomeric element is be set in outside and adjacent with the lower end of the sleeve helical spring of sleeve.
Particularly, according to the shear of one aspect of the invention, wherein, cutting member comprises the first blade and the second blade, and the first blade and the second blade all have the first connecting portion for being connected with supporting arrangement and the second connecting portion for being connected with linkage.
Particularly, according to the shear of one aspect of the invention, wherein, the top of a blade in the first blade and the second blade is provided with guide pad, and when the first blade and the second blade close, the top of another blade enters guide pad.
Particularly, according to the shear of one aspect of the invention, wherein, shear also comprises housing parts, and housing parts is arranged on outside supporting arrangement, and top is formed with the notch for accommodating cutting member.
Particularly, according to the shear of one aspect of the invention, wherein, housing parts comprises the first half shells and the second half shells, the first half shells and the second half shells are separately positioned on supporting arrangement both sides, and by screw, snap engagement and/or bonding etc. be fixed to supporting arrangement.
Provide a kind of shearing equipment according to another aspect of the present invention, wherein, this shearing equipment comprises according to the shear of the above-mentioned aspect of the present invention and the drive source that can be connected with shear to drive shear.
Particularly, shearing equipment according to another aspect of the present invention, wherein, drive source is hydraulic drive source, pneumatic actuation source or driven by power source.
Generally, the present invention has following technique effect:
In shear of the present invention, linkage operatively connects cutting member and drive source, this linkage comprises two the second coupling members, these two second coupling members include installation notch, and the second coupling member is operatively connected with the first coupling member by installing notch and the first coupling member matched together.In shearing, second coupling member is subject to the torque that cutting member applies, thus tend to rotate, because the notch of the second coupling member bottom is also connected with the first coupling member thus with the first coupling member matched together, therefore notch can firmly block the first coupling member, make the second coupling member transversely with the lateral all not easily changing of the relative positions and torsion, can effectively prevent unbalance loading from occurring thus.
In addition, in shear of the present invention, limiting section is provided with in supporting arrangement, this limiting section can limit the stroke of linkage 300, thus the stroke of the drive source (such as driving shaft, driven plunger etc.) of restriction drive source, the problems such as the seal member damage that can prevent drive source excessive loads from causing to avoid drive source to transship thus, and the damage problem ahead of time that can prevent cutting member excessive shear and cause thus.
Other feature and advantage of shear of the present invention will become apparent in the following description.
Accompanying drawing explanation
By the description referring to accompanying drawing, the feature and advantage of one or several embodiment of the present invention will become easier to understand.Accompanying drawing forms a part for the disclosure of invention, and the content shown in it is only illustrative, and object illustrates and instantiation of the present invention is described, and not for limiting the scope of the invention.In the accompanying drawings, identical parts use identical referential expression instruction.In accompanying drawing:
Fig. 1 a is the exploded perspective view of the shear according to embodiment of the present invention;
Fig. 1 b, Fig. 1 c are assembled side sectional view according to the shear of embodiment of the present invention and positive view;
Fig. 2 is the assembling stereogram of the shear according to embodiment of the present invention, illustrated therein is the state that shear is not closed;
Fig. 3 is the assembling stereogram of the shear according to embodiment of the present invention, illustrated therein is the state that shear is closed;
Fig. 4 is the stereogram according to the supporting arrangement in the shear of embodiment of the present invention;
Fig. 5 a, Fig. 5 b are the stereograms of the bracket according to the linkage in the shear of embodiment of the present invention, and Fig. 5 c is the side view of this bracket;
Fig. 6 a, Fig. 6 b are stereogram according to the connecting rod in the shear of embodiment of the present invention and side view;
Fig. 7 a, Fig. 7 b are the stereograms of the attaching parts according to the engagement device in the shear of embodiment of the present invention;
Fig. 8 is side view according to the drive disk assembly of the engagement device in the shear of embodiment of the present invention and stereogram; And
Fig. 9 is the stereogram of the packing ring according to the engagement device in the shear of embodiment of the present invention; And
Figure 10 is for connecting the stereogram of the spring of linkage and engagement device in the shear according to embodiment of the present invention.
Detailed description of the invention
Description related to the preferred embodiment is only exemplary below, and is never the restriction to the present invention and application or usage.Adopt identical Reference numeral to represent identical parts in various figures, therefore the structure of same parts is by no longer repeated description.
Needs illustrate, the directional terminology occurred in literary composition, and such as " top ", " top ", " below ", " bottom " etc. are all describe relative to the orientation shown in figure, and not consistent with the actual use orientation of shear of the present invention.In actual use, the orientation of shear can change according to operation.
Referring to Fig. 1 a to Figure 10, shearing equipment according to the embodiment of the present invention and application mode thereof are described.
First with reference to Fig. 1 a, Fig. 1 b, Fig. 1 c, Fig. 2 and Fig. 3, the shear according to one embodiment of the present invention has wherein been used.Particularly, Fig. 1 a shows the exploded perspective view of shear, Fig. 1 b and Fig. 1 c shows assembled side sectional view and the positive view of shear, wherein can clearly be seen that the make of this shear, Fig. 2 illustrates the assembling stereogram of the shear of not closed state, and Fig. 3 shows the assembling stereogram of the shear of closure state.
The shear of this embodiment not only may be used for shearing cable, chain link, can also be used to shear reinforcement, metallic cable and any other elongate material.With reference to the accompanying drawings the structure of the shear according to embodiment of the present invention is described in detail.
Fig. 1 a to Fig. 1 c clearly show structure and the assembling mode thereof of each component part of shear.This shear indicates with label 10 generally, and it comprises following main composition part: supporting arrangement 100, engagement device 200, linkage 300 and cutting member 400.Supporting arrangement 100 as the basic supporting part of shear 10, for supporting and holding other component parts of shear.The Main Function of engagement device 200 is connected with drive source (not shown) by shear 10, thus make shear 10 action by the driving force of drive source.Linkage 300 is the running parts in shear 10, and the driving force that itself and engagement device 200 are operatively connected in the future self-driven source is passed to cutting member 400.From Fig. 1 a to Fig. 1 c, Fig. 2, engagement device 200 is connected to the bottom of supporting arrangement 100, linkage 300 is arranged in supporting arrangement 100, cutting member 400 is bearing in supporting arrangement 100 top and is operatively connected with linkage 300, thus, cutting member 400 is connected with engagement device 200 via linkage 300, and then is connected with drive source, thus realizes driving force to be passed to cutting member 400 from drive source.
Especially, with reference to Fig. 4, illustrated therein is the concrete structure according to supporting arrangement 100 of the present invention.As being clearly shown that in Fig. 4, in supporting arrangement 100, be provided with the limiting section 101 of the range limiting linkage 300.Preferably, the design principle of this limiting section 101 is that the shear action of its setting position and cutting member 400 is matched, become to allow cutting member 400 to complete shearing at the end of the stroke of linkage 300 this location arrangements, or excessive shear a little, now linkage 300 moving-member contact and against limiting section 101.Owing to being provided with limiting section 101, when the moving-member (bracket 301 such as hereinafter described) of linkage 300 moves in supporting arrangement 100, (moving-member is arranged on the below of limiting section 101, to hereafter describe in detail), to contact after this moving-member motion certain distance and against limiting section 101, thus stop motion.In this way, the driving stroke of drive source can be limited by limiting the stroke of linkage 300, drive source excessive loads can be prevented thus and causing the premature breakdown of drive source.Under this principle, the particular location of limiting section 101 can adjust according to the concrete size of the moving-member of linkage 300 and cutting member 400 and configuration, and this does not depart from the scope of the present invention.
Particularly, continue to be described with reference to the make of Fig. 1 a, Fig. 5 a to Fig. 5 c and Fig. 6 a and Fig. 6 b to the linkage 300 of the shear 10 of present embodiment.Especially, the linkage 300 in shear of the present invention has structure and the arrangement of unbalanced-loading preventing, to prevent from, in shear history, unbalance loading occurs, and causes shearing to complete smoothly or cutting member 400 is damaged.This is described in detail as follows.
This linkage 300 mainly comprises bracket (the first coupling member) 301 and two connecting rods (the second coupling member) 302,312, and connecting rod 302,312 is connected on bracket 301, as shown in Figure 1a.Bracket 301 is operatively connected with the engagement device 200 of below, for the driving force received by engagement device 200 from drive source.Connecting rod 302,312 connects cutting member 400, is operatively connected by bracket 301 thus, thus transfers a driving force to cutting member 400, to carry out shearing manipulation with cutting member 400.
Especially, two connecting rods 302,312 equal bottoms include notch (notch 302e as mentioned below), and connecting rod 302,312 is operatively connected to bracket 301 by notch 302e, as shown in Figure 1 a, 1 b.This ad hoc structure and arrangement can prevent unbalance loading from occurring effectively.Unbalance loading problem occurs usually in shear history, when drive source drives shear action, the cable be sheared can apply reaction force (torque) to shear, this reaction force may cause shear generation unbalance loading, makes shear and connected component twist thus.But, this situation can be avoided by structural design of the present invention.According to the present invention, in shear history, connecting rod 302,312 is subject to the torque that cutting member 400 applies, thus tends to rotate.Because the notch of connecting rod 302,312 by bottom connects with bracket 301, notch can firmly block bracket 301, make connecting rod 302,312 transversely with the lateral all not easily changing of the relative positions and torsion, can effectively prevent unbalance loading from occurring thus.Hereafter by the structure more detailed description of linking rod 302,312 self.
With reference to 5a, Fig. 5 b and Fig. 5 c, wherein illustrate in greater detail the structure of bracket 301.As shown in the figure, the level connection joint portion 301a that bracket 301 comprises the engagement device 200 for connecting below and the vertical connecting portion 301b extended from the mediad of level connection joint portion 301a, this vertical connecting portion 301b is in order to connect connecting rod 302,312.Bracket 301 will illustrate in greater detail hereinafter with the concrete connected mode of engagement device 200 and connecting rod 302,312.
With reference to Fig. 6 a, Fig. 6 b, wherein show in detail the structure of one of them connecting rod 302, because the structure of connecting rod 312 is identical with the structure of connecting rod 302, therefore omit the specific descriptions to it.Connecting rod 302 has laterally extending junction surface 302a, and this junction surface 302a is positioned at the medium position of connecting rod 302 entirety.Extend upward the first connecting portion 302b from the one end engaging 302a, cutting member 400 is pivotally connected to the first connecting portion 302c (as shown in Figure 1 b).And, the 3rd connecting portion 302d and the second connecting portion 302c is extended downwards with the relative other end from above-mentioned one end of junction surface 302a, above-mentioned notch 302e is just formed between the second connecting portion 302c and the 3rd connecting portion 302d, notch 302c and bracket 301 are equipped with, and then the second connecting portion 302c and the 3rd connecting portion 302d and bracket 301 are linked together.
The vertical connecting portion 301b of bracket 301 to be arranged in this notch 302e and to be pivotally connected to by the second connecting portion 302c of bearing pin 303 and connecting rod 302 and the 3rd connecting portion 302d.For the situation that connecting rod 312 is also same.Particularly, as shown in Fig. 5 a, Fig. 5 b, Fig. 6 a, Fig. 6 b, the vertical connecting portion 301b of bracket 301 is formed with pin shaft hole 301d, the first connecting portion 302b of connecting rod 302 and the 3rd connecting portion 302d is formed with corresponding pin shaft hole 302f.Thus, connecting rod 302 can move pivotally relative to bracket 301.
Owing to there is notch 302e and being positioned at the second connecting portion 302c and the 3rd connecting portion 302d of its both sides, when connecting rod 302 is subject to outside deflecting action power, 3rd connecting portion 302d can be pressed against the sidepiece of vertical connecting portion 301a under the effect of this deflecting force, can prevent deflection from occurring thus further, and enhance further and stability is installed and improves unbalanced-loading preventing effect
Preferably, as shown in Fig. 5 c and Fig. 6 b, bracket 301 has inverse-T-shaped cross section, and connecting rod 302 has " h " tee section.In this case, the blade of cutting member 400 is arranged on the inner side of the first connecting portion of connecting rod 302,312, as shown in Figure 1 b.This design is that structure is compacter on the one hand, also can ensure good connection effect on the other hand.And, fall in love in this situation, two connecting rod 302,312 faces are connected to bracket 301 in the opposite direction, and make connecting rod 302,312 respective the first connecting portions in the both sides of the vertical connecting portion 301b of bracket 301, this is also the stress balance in order to ensure linkage 300 entirety.
It should be noted that, connecting rod 302 is designed to a kind of mode that " h " type just realizes connecting rod 302, as long as meet design principle of the present invention, connecting rod 302 can adopt any other form.Such as, connecting rod 302 can be designed as simple column construction, its below or above be all formed with notch, the notch of top is used for arranging cutting member 400, and it can realize the technique effect preventing unbalance loading equally, and has relatively better stability.In addition, bracket 301 also can have multiple design, and such as, for level connection joint portion 301a, it can adopt various shape, such as circular, oval, rectangle or square etc.Certainly, normally, consider unbalance loading problem, axisymmetric shape is preferred.
Further, describe according to engagement device 200 of the present invention with reference to Fig. 1 a, Fig. 7 a, Fig. 7 b, Fig. 8, Fig. 9 and Figure 10.In the illustrated embodiment, engagement device 200 mainly comprises attaching parts 201 and the drive disk assembly 202 be built in wherein.One end of attaching parts 201 is connected with supporting arrangement 100 in the assembled state, and the relative other end is connected with drive source.These attaching parts 201 are mainly used in the main part of shear 10 to be connected with drive source.Simultaneously, the drive disk assembly 202 be arranged in attaching parts 201 is connected with linkage 300, drive source (particularly, driving shaft) then act on drive disk assembly 202 via attaching parts 201, thus driving force is passed to the linkage 300 be attached thereto by drive disk assembly 202, and and then be passed to cutting member 400, to carry out shearing manipulation.As above, because drive disk assembly 202 is arranged in attaching parts 201, therefore, attaching parts 201 also play the effect of the outside case of drive disk assembly 202 simultaneously.
An embodiment of attaching parts 201 has been shown in Fig. 7 a, Fig. 7 b.In this example, attaching parts 201 comprise connecting portion 201a and lower connecting portion 201b, and wherein, upper connecting portion 201a is for connecting the main part of the shear 10 being positioned at top (particularly, supporting arrangement 100), lower connecting portion 201b is for connecting the drive source of below.Further, be formed with through hole 201c in attaching parts 201, drive disk assembly 202 is just arranged in this through hole 201c and also can moves wherein.Meanwhile, the size of this through hole 201c is also designed so that the driving shaft of drive source can pass.More specifically, in the shown example, upper connecting portion 201a can be permanently connected by tight fit mode and supporting arrangement 100, and lower connecting portion 201b is formed with screw thread, and the mode be threaded connection engages with drive source.Certainly, the connected mode that any other is applicable to can be adopted, such as, the mode such as upper connecting portion 201a is connected by buckle, be threaded, bonding, welding is connected with supporting arrangement 100, and lower connecting portion 201b can select suitable connected mode according to the interface type of connected drive source.
Referring again to Fig. 1 a, preferably, engagement device 200 can also comprise elastomeric element 203, and this elastomeric element 203 is used as elasticity reset device, makes automatically to make linkage 300 reset after shearing manipulation completes.Particularly, elastomeric element 203 be arranged to can between itself and drive disk assembly 202 transmitting force, drive disk assembly 202 can be driven to move.Due to as above, drive disk assembly 202 is connected with linkage 300, and elastomeric element 203 just can drive linkage 300 to move via drive disk assembly 202 thus, thus realizes the elastic reset of linkage 300.Further, according to the present invention, be arranged on by elastomeric element 203 between supporting arrangement 100 and attaching parts 201, particularly, one end of elastomeric element 203 and the lower end of drive disk assembly 202 adjoin, and the other end is against the downside of support unit 100.Thus, when drive disk assembly 202 is subject to drive source (particularly, driving shaft) action time, elastomeric element 203 can move thereupon, and because one end is against support unit 100 thus can pressurized generation elastic deformation, thus, after driving force is eliminated, the elastic-restoring force of elastomeric element 203 makes drive disk assembly 202 and the linkage 300 that is attached thereto reset.The concrete manner of execution of drive disk assembly 202 and elastomeric element 203 will illustrate in greater detail hereinafter.
In the embodiment shown in Fig. 1 a, attaching parts 201 are configured to the form of nipple, and drive disk assembly 202 is configured to the form of sleeve, and elastomeric element 203 is configured to helical spring form.Hereinafter in order to easy, the concrete element implementing above-mentioned parts will be represented with identical label.In this example, sleeve 202 is arranged in nipple 201, and it is outside and adjacent with the lower end of sleeve 202 that helical spring 203 is set in sleeve 202.Particularly, as shown in the figure, helical spring 203 is adjoined with the lower end of sleeve 202 by collar 204 and packing ring 205.This connected mode is convenient to the dismounting of helical spring 203 and sleeve 202.Certainly, other connected mode is also feasible, such as welds, bonding etc.
The view of sleeve 203 has been shown in Fig. 8.Can find out, the two ends of sleeve 203 are all formed with annular groove 202a and 202b.The groove 202a of lower end is used for installing collar 204 and packing ring 205.Be stuck in groove 202a by collar 204, and be set on sleeve 202 by packing ring 205, due to the barrier effect of collar 204, packing ring 205 can remain on sleeve 202 lower end, and helical spring 203 can be adjoined by the lower end of packing ring 205 with sleeve 202.The groove 202b of upper end is used for connecting linkage, particularly, connects bracket 301.As shown in Figure 5 b, the downside of bracket 301 is formed with recess 301c, and sleeve 202 upper end can be arranged in this recess 301c.The downside of bracket 301 is also formed with draw-in groove 301d simultaneously, is arranged on after in recess 301c, fixes in place by heterotypic spring 304 by the upper end of sleeve 202 in recess 301c in the upper end of sleeve 202.Heterotypic spring 304 for connecting firmly has been shown in Fig. 1 a, as shown in FIG., heterotypic spring 304 has intermediate section 304a and both sides side sections 304a, when being fixed, intermediate section 304a is stuck in the recess 301c of sleeve 202 upper end, the side sections 304a of both sides is stuck in the draw-in groove 310d on the downside of bracket 301, realizes being fixedly connected with of sleeve 202 and bracket 301 thus.As can be seen from Fig. 1 a, intermediate section 304a is formed with the radian corresponding with annular notch 301c.
Certainly, except adopt in present embodiment connected by heterotypic spring 304 except, sleeve 202 can also adopt press-fit, welding, the mode such as bonding and bracket 301 to adjoin, and these are included in protection scope of the present invention.In addition, except sleeve 202 used in embodiment shown in figure, helical spring 203, attaching parts and the elastomeric element of any other form can also be adopted, such as, attaching parts can be rod-like element, elastomeric element can be any type of elastic component arranged around rod-like element, and such as sheet, strip or other special-shaped elastic components, these are included in scope of the present invention too.
Below, referring back to Fig. 4, the structure of the supporting arrangement 100 of embodiment of the present invention is described.In the embodiment illustrated in fig. 4, supporting arrangement 100 includes the inner space 102 of the part for holding linkage 300, and especially, bracket 301 part of linkage 300 is contained in this inner space 102.Further, as shown in Figure 4, the limiting section 101 for the stroke limiting linkage 300 (particularly, bracket 301) is arranged at the top of this inner space 102, thus, is limited the stroke of bracket 301 by inner space 102 and limiting section 101.The bottom of supporting arrangement 100 also comprises opening portion 103, as shown in Figure 4, this opening portion 103 is formed in the bottom of inner space 102, a part for engagement device 200 (particularly, drive disk assembly 202) linkage 300 can be acted on through this opening portion 103, specifically act on bracket 301.In addition, supporting arrangement 100 also comprises for installing and supporting the support 104 of cutting member 400, and visible with reference to Fig. 1 a, Fig. 2, cutting member 400 can be mounted to support 104 pivotally.In the illustrated embodiment, realize this pivotable by screw 403 and connect, this will further illustrate hereinafter.
The supporting arrangement 100 with said structure preferably can be formed as " U " shape structure.Certainly, as long as possess above-mentioned basic comprising part, other forms are also feasible.And except illustrated " U " shape structure, supporting arrangement 100 also can adopt the structure of non-open type, and this can carry out specific design selection as required.
Below, be described with reference to the structure of Fig. 1 a to the cutting member 400 of shear 10 according to the present invention.Cutting member 400 comprises the first blade 405 and the second blade 406, cuts off cable etc. by the first blade 405 and the closed of the second blade 406.As shown in fig. ia, the first blade 405 and the second blade 406 include the first connecting portion for being connected with the support 104 of supporting arrangement 100 separately.For the first blade 405, it comprises the first connecting portion 401, and this first connecting portion 401 is installed pivotally by screw 403 and nut 408 and is bearing on support 104.For this reason, the first connecting portion 401 and support 104 are all formed accordingly through hole are installed.By supporting pivotally, cutting member 400 can move pivotally relative to support 104.
And then continue with reference to Fig. 1 a, the first blade 405 and the second blade 406 include the second connecting portion for being connected with the connecting rod 302,312 of linkage 300 separately.Still for the first blade 405, it comprises the second connecting portion 402, and this second connecting portion 402 is pivotally connected to by the connecting rod 302 of bearing pin 404 with linkage 300.Similarly, the second connecting portion 402 and connecting rod 302 are all formed accordingly through hole are installed.
As shown in Figure 1a, the top of the first blade 405 is provided with guide pad 407, when the first blade 405 and the second blade 406 close, the top of the second blade 406 enters guide pad 407, thus prevents the blade tilt that causes due to the reaction force of cable in shear history.It should be noted that, as can be seen from Figure 1, recessed arc is formed as inside first blade 405 and the second blade 406, when the first blade 405 and the second blade 406 are just involutory, recessed arc due to inner side makes to have certain space between the first blade 405 and the second blade 406, and this spatial design is for just can by cable holding in wherein and not clipping to cable.When the first blade 405 and the second blade 406 are involutory each other further, shear and start to carry out, meanwhile, the top of the second blade 406 starts to enter in the guide pad 407 on the first blade 405 top.By this way, when shearing is carried out, can occur crooked by effective means blade.
In addition, as shown in fig. ia, shear 10 according to the present invention can also comprise housing parts 500, and this housing parts 500 can be used for protecting supporting arrangement 100 and cutting member 400.Particularly, housing parts 500 is arranged on outside supporting arrangement 100, and top is formed with the notch 503,504 of the first blade 405 for accommodating cutting member 400 and the second blade 406.This notch 503,504 can allow the first blade 405 and the second blade 406 to move pivotally wherein.
Particularly, in the illustrated embodiment, housing parts 500 comprises the first half shells 501 and the second half shells 502, and this first half shell 501 and the second half shells 502 are separately positioned on supporting arrangement 100 both sides, and are fixed to supporting arrangement 100 by screw 505.Certainly, other fixed form also can be adopted, such as, snap engagement, bonding, welding, welding etc.Housing parts 500 can adopt any applicable material, and plastics are relatively commonly used, and its quality is light, have certain hardness, can play certain protected effect.
The above is exactly the concrete make of shear 10 according to the embodiment of the present invention, will be described below to its mode of operation.
After finishing assembly, shear 10 is connected to external drive source (such as, hydraulic pump, air pump, motor etc.).Need to carry out shearing to be open drive source, the driving shaft (not shown) of drive source promotes drive disk assembly 202 and moves upward, and drive disk assembly 202 and then the bracket 301 promoting to be attached thereto move upward.In the process, the lower end of elastomeric element 203 is also transmitted parts 202 and drives and move upward, and because the upper end of elastomeric element 203 is against the downside of supporting arrangement 100, therefore, elastomeric element 203 compression can occur.Meanwhile, along with bracket 301 moves upward, the connecting rod 302 be attached thereto can move pivotally, and drives the first connected blade 405 and the second blade 407 to move pivotally relative to the support 104 of supporting arrangement 100 and connecting rod 302 simultaneously.The pivoting action of the first blade 405 and the second blade 407 makes close each other, to shear.When bracket 301 move upward arrive and lean limiting section 101 time, bracket 301 is by stop motion, and drive source also stops promoting driving shaft thereupon reception feedback and advances, thus realizes the excessive loads of drive source.Now, according to design of the present invention, cutting member 400 also completes shearing manipulation, cable is cut off completely, cutting member 400 completes the device of shearing can see Fig. 3, the first blade 405 and the second blade 406 completely closed, and recessed curved portions is completely staggered each other.So far, shear history completes.After shearing completes, drive source will regain driving shaft, now sleeve 202 is no longer subject to the effect of pushing force, the flexible member 203 of compression starts to reply, and be with moving sleeve 202 to move downward, the bracket 301 that 202, sleeve drives upper end to connect and the connecting rod 302 be attached thereto move downward, connecting rod 302 also moves pivotally simultaneously, connecting rod 302 move downward and pivoting action makes cutting member 400 also carry out the pivoting action of oppositely (opening direction), the first blade 405 and the second blade 406 separated from one another and then open completely.When bracket 301 arrives the bottom of inner space 102 of supporting arrangement 100, stop moving downward, now cutting member 400 is opened completely.Thus, complete shearing manipulation process is completed once.
In addition, according to the present invention, additionally provide a kind of shearing equipment, this shearing equipment comprises according to shear of the present invention and corresponding external equipment, and this external equipment can be connected to drive it to carry out shearing manipulation with shear of the present invention.This shearing equipment equally within the scope of the present invention.
According to type of drive, drive source can be hydraulic drive source, pneumatic actuation source or driven by power source etc.
Although described various embodiment of the present invention in detail at this, but should be appreciated that the present invention is not limited to the detailed description of the invention described in detail and illustrate here, other modification and variant can be realized when not departing from the spirit and scope of the invention by those skilled in the art.All these modification and variant all fall within the scope of the present invention.And all components described here can be replaced by component equivalent in other technologies.
Claims (20)
1. a shear, is characterized in that, described shear comprises:
Supporting arrangement (100);
Engagement device (200), described supporting arrangement (100) is connected with drive source by described engagement device (200);
Linkage (300), described linkage (300) is arranged in described supporting arrangement (100), and is operatively connected with described engagement device (200);
Cutting member (400), described cutting member (400) is bearing on described supporting arrangement (100), and is operatively connected with described linkage (300);
Wherein, described linkage (300) comprising:
First coupling member (301), described first coupling member (301) is operatively connected with described engagement device (200);
Two the second coupling members (302,312), described first coupling member (301) is operatively connected with described cutting member (400) by two described second coupling members (302,312), wherein the bottom of two described second coupling members (302,312) includes notch (302e), and described second coupling member (302,312) is connected to described first coupling member (301) by described notch (302e).
2. shear according to claim 1, wherein, each described second coupling member (302,312) includes:
Laterally extending junction surface (302a);
First connecting portion (302b), described first connecting portion (302b) upwards extends from the one end of described junction surface (302a), and described cutting member (400) is pivotally connected on described first connecting portion (302b); And
Second connecting portion (302c) and the 3rd connecting portion (302d), described 3rd connecting portion (302d) and described second connecting portion (302c) respectively from the described one end of described junction surface (302a) with the relative other end to downward-extension, described notch (302e) is formed between described second connecting portion (302c) and described 3rd connecting portion (302d), described second connecting portion (302c) and described 3rd connecting portion (302d) are connected with described first coupling member (301) by described notch (302e) and the equipped of described first coupling member (301).
3. shear according to claim 2, wherein,
The vertical connecting portion (301b) in order to connect described second coupling member (302,312) that described first coupling member (301) comprises the level connection joint portion (301a) for connecting described engagement device (200) and extends from the mediad of described level connection joint portion (301a); And
Wherein, described vertical connecting portion (301b) to be arranged in the respective described notch (302e) of two described second coupling members (302,312) and to be pivotally connected to by bearing pin (303) and described second connecting portion (302c) and described 3rd connecting portion (302d).
4. shear according to claim 3, wherein, two described second coupling member (302,312) faces are connected to described vertical connecting portion (301b) in the opposite direction, and described first connecting portion (302b) making two described second coupling members (302,312) respective is positioned at the both sides of described vertical connecting portion (301b).
5. shear according to claim 3, wherein, the level connection joint portion (301a) of described first coupling member (301) is circular, oval, rectangle or square.
6. shear according to claim 1, wherein, is provided with the limiting section (101) of the range limiting described linkage (300) in described supporting arrangement (100).
7. shear according to claim 6, wherein, described supporting arrangement (100) comprising:
Inner space (102), described inner space (102) is positioned at the bottom of described supporting arrangement (100), a part for described linkage (300) is contained in described inner space (102), and described limiting section (101) is positioned at the top of described inner space (102);
Opening portion (103), described opening portion (103) is formed in the bottom of described inner space (102), and a part for described engagement device (200) can act on described linkage (300) through described opening portion (103);
Support (104), described support (104) is arranged on the top of described supporting arrangement (100), and described cutting member (400) is mounted to described support (104) pivotally.
8. the shear according to claim 6 or 7, wherein, described supporting arrangement (100) is " U " shape structure.
9. shear according to claim 1, wherein, described engagement device (200) comprising:
Attaching parts (201), one end of described attaching parts (201) is connected with described supporting arrangement (100), and the relative other end can be connected with described drive source;
Drive disk assembly (202), described drive disk assembly (202) is arranged in described attaching parts (201), and be operatively connected with described linkage (300), the driving shaft of described drive source acts on described drive disk assembly (202) through described attaching parts (201).
10. shear according to claim 9, wherein, described engagement device (200) also comprises elastomeric element (203), described elastomeric element (203) be arranged to can between described elastomeric element (203) and described drive disk assembly (202) transmitting force, and described elastomeric element (203) is arranged between described supporting arrangement (100) and described attaching parts (201).
11. shears according to claim 9, wherein, described elastomeric element (203) adjoins with the lower end of described drive disk assembly (202).
12. shears according to claim 9, wherein, the upper end of described drive disk assembly (202) is connected in the recess (301c) of described first coupling member (301) downside of described linkage (300).
13. shears according to claim 12, wherein, the upper end of described drive disk assembly (202) is engaged by the described recess (301c) of heterotypic spring (304), press-fit, welding and/or bonding and described first coupling member (301).
14. shears according to any one of claim 9 to 13, wherein, described attaching parts (201) are the nipple for connecting described drive source, described drive disk assembly (202) is the sleeve for connecting described linkage (300), and described elastomeric element (203) is for being set in outside and adjacent with the lower end of the described sleeve helical spring of described sleeve.
15. shears according to claim 1,6 or 9, wherein, described cutting member (400) comprises the first blade (405) and the second blade (406), and described first blade (405) and the second blade (406) all have the first connecting portion (401) for being connected with described supporting arrangement (100) and the second connecting portion (402) for being connected with described linkage (300).
16. shears according to claim 15, wherein, the top of a blade in described first blade (405) and the second blade (406) is provided with guide pad (407), and when described first blade (405) and described second blade (406) are closed, the top of another blade enters described guide pad (407).
17. shears according to claim 1,6 or 9, wherein, described shear also comprises housing parts (500), described housing parts (500) is arranged on described supporting arrangement (100) outside, and top is formed with the notch (503,504) for accommodating described cutting member (400).
18. shears according to claim 17, wherein, described housing parts (500) comprises the first half shells (501) and the second half shells (502), described the first half shells (501) and described the second half shells (502) are separately positioned on described supporting arrangement (100) both sides, and by screw (505), snap engagement and/or bonding etc. be fixed to described supporting arrangement (100).
19. 1 kinds of shearing equipments, described shearing equipment comprises the shear according to any one of claim 1 to 18 and can be connected to drive with described shear the drive source of described shear.
20. shearing equipments according to claim 19, described drive source is hydraulic drive source, pneumatic actuation source or driven by power source.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410170901.5A CN105013985B (en) | 2014-04-25 | 2014-04-25 | Shear and shearing equipment |
| PCT/CN2015/077181 WO2015161796A1 (en) | 2014-04-25 | 2015-04-22 | Shearing device and shearing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410170901.5A CN105013985B (en) | 2014-04-25 | 2014-04-25 | Shear and shearing equipment |
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| Publication Number | Publication Date |
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| CN105013985A true CN105013985A (en) | 2015-11-04 |
| CN105013985B CN105013985B (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410170901.5A Active CN105013985B (en) | 2014-04-25 | 2014-04-25 | Shear and shearing equipment |
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| CN113690787A (en) * | 2021-07-28 | 2021-11-23 | 国网浙江永康市供电有限公司 | High-altitude cable clamping and shearing all-in-one machine |
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| CN105013985B (en) | 2017-10-10 |
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Address after: Shanghai Jiangtian road 201613 Songjiang Industrial Zone No. 89 Patentee after: Emerson precision tool technology (Shanghai) Co.,Ltd. Address before: Shanghai Jiangtian road 201613 Songjiang Industrial Zone No. 89 Patentee before: Emerson Professional Tools (Shanghai) Co.,Ltd. |
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