CN112177075A - Novel mechanical scissors - Google Patents
Novel mechanical scissors Download PDFInfo
- Publication number
- CN112177075A CN112177075A CN202011177526.9A CN202011177526A CN112177075A CN 112177075 A CN112177075 A CN 112177075A CN 202011177526 A CN202011177526 A CN 202011177526A CN 112177075 A CN112177075 A CN 112177075A
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- Prior art keywords
- lower jaw
- upper jaw
- scissors
- blade
- jaw
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- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 238000010276 construction Methods 0.000 abstract description 2
- 210000001847 jaw Anatomy 0.000 description 11
- 210000004373 mandible Anatomy 0.000 description 8
- 230000013011 mating Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000000669 biting effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements
Abstract
The invention discloses a novel mechanical shear, which relates to the technical field of mechanical devices of capital construction engineering and comprises a olecranon-shaped upper jaw shear and a lower jaw shear matched with the olecranon-shaped upper jaw shear, wherein the upper jaw shear is hinged with the lower jaw shear; the lower jaw scissors are provided with a first connecting device used for being connected with an excavator mechanical arm, and the upper jaw scissors are provided with a second connecting device used for being connected with an excavator oil cylinder; under the drive of the oil cylinder of the excavator, the upper jaw scissors can do opening and occluding actions relative to the lower jaw scissors. The device is simple in structure, and due to the modular arrangement, the device is easier to maintain and assemble, and can quickly and accurately cut off an object to be cut.
Description
Technical Field
The invention relates to the technical field of capital construction engineering mechanical devices, in particular to a novel mechanical shear.
Background
At present, in the technical field of the forcible entry recovery equipment, objects of different materials and shapes such as iron materials, steel materials, tanks, pipes, waste automobiles and the like are required to be sheared and forcible entry, and the shearing device is required to have strong cutting force and simple and efficient control. Meanwhile, in order to facilitate control over the shearing device, it is also necessary to facilitate connection and installation with a mechanical arm of the excavator. The existing steel bar shears have the problems that the upper jaw shears and the lower jaw shears are small in opening degree and not easy to connect with an excavator, residues such as steel powder are left in the lower jaw shears after shearing, a steel knife is not easy to replace, and the maintenance is also troublesome, so that a new improvement is urgently needed.
Therefore, a technical solution is urgently needed to solve the above problems.
Disclosure of Invention
The invention provides a novel mechanical shear aiming at the defects of the prior art, which comprises an upper jaw shear and a lower jaw shear which are arranged by the scheme and can be mutually occluded, wherein the lower jaw shear is connected with a first connecting device which can be connected with an excavator mechanical arm, and the upper jaw shear is connected with a second connecting device which can be connected with an excavator oil cylinder. The device is simple in structure, and due to the modular arrangement, the device is easier to maintain and assemble, and can quickly and accurately cut off an object to be cut.
In order to achieve the above object, the present invention provides the following technical solutions:
a novel mechanical shear comprises a olecranon-shaped upper jaw shear and a lower jaw shear matched with the olecranon-shaped upper jaw shear, wherein the upper jaw shear and the lower jaw shear are hinged with each other; the lower jaw scissors are provided with a first connecting device used for being connected with an excavator mechanical arm, and the upper jaw scissors are provided with a second connecting device used for being connected with an excavator oil cylinder; the upper jaw scissors can do opening and biting actions relative to the lower jaw scissors under the driving of the oil cylinder of the excavator;
the upper jaw scissors are provided with upper jaw blade fixing grooves for mounting upper jaw blades, and the upper jaw blades and the upper jaw blade fixing grooves are provided with mutually matched fixing holes and fixed through screws;
the lower jaw scissors comprise a first lower jaw seat and a second lower jaw seat which are mutually symmetrical and L-shaped, and the front ends of the first lower jaw seat and the second lower jaw seat are connected through a lower jaw connecting block; a first lower jaw seat blade fixing groove for mounting a first lower jaw seat blade is formed in the inner side of the first lower jaw seat, and fixing holes matched with each other are formed in the first lower jaw seat blade and the first lower jaw seat blade fixing groove and are fixed through screws; the second lower jaw seat is provided with an arc-shaped groove for limiting an object to be cut, and further comprises a second lower jaw seat blade fixing groove for mounting a second lower jaw seat blade, and the second lower jaw seat blade fixing groove are provided with fixing holes matched with each other and fixed through screws; a connecting block blade fixing groove for mounting a connecting block blade is formed in the lower jaw connecting block, and fixing holes matched with each other are formed in the connecting block blade and the connecting block blade fixing groove and are fixed through screws; the first lower jaw mount blade, the connector block blade, and the second lower jaw mount blade are interconnected.
Preferably, the upper jaw blade fixing slots include a first upper jaw blade fixing slot and a second upper jaw blade fixing slot opened at an outer side of the upper jaw scissors 1, and a third upper jaw blade fixing slot at a front end; the upper jaw blades comprise a first upper jaw blade matched with the first upper jaw blade fixing groove, a second upper jaw blade matched with the second upper jaw blade fixing groove, a third upper jaw blade matched with the third upper jaw blade fixing groove and a fourth upper jaw blade, the third upper jaw blade and the fourth upper jaw blade are identical in specification, are symmetrical with each other and wrap the third upper jaw blade fixing groove.
Preferably, the first lower jaw seat blade fixing groove includes a first lower jaw blade fixing groove, a second lower jaw blade fixing groove and a third lower jaw blade fixing groove which are opened inside the first lower jaw seat; the first lower jaw seat blade comprises a first lower jaw blade mating with the first lower jaw blade securing slot, a second lower jaw blade mating with the second lower jaw blade securing slot, a third lower jaw blade mating with the third lower jaw blade securing slot; the second chin rest blade securing slot is symmetrical to the third chin blade securing slot and the second chin rest blade is symmetrical to the third chin blade.
Preferably, the jaw connecting block further comprises a group of symmetrically arranged connecting block protrusions, and the connecting block protrusions can be matched and fixed with connecting block fixing grooves formed in the front ends of the jaw scissors.
Preferably, a first connecting shaft groove hole is formed in the inner side of the first lower jaw seat, a second connecting shaft groove hole symmetrical to the first connecting shaft groove hole is formed in the inner side of the second lower jaw seat, two ends of the inclined plate connecting shaft are respectively sleeved in the first connecting shaft groove hole and the second connecting shaft groove hole, and an inclined plate is connected to the side wall of the inclined plate connecting shaft.
Preferably, two sides of the inclined plate form an angle and are respectively fixed with the inner walls of the first lower jaw seat and the second lower jaw seat; the bottom end of the inclined plate is flush with the bottom side of the lower jaw scissors.
Preferably, the first lower jaw seat is provided with a first hinge hole, the second lower jaw seat is provided with a second hinge hole, and the upper jaw scissors are provided with a third hinge hole; and the pin shaft sequentially penetrates through the first hinge hole, the third hinge hole and the second hinge hole and is fixed with the pin shaft fixing ring.
Preferably, a first limiting column and a second limiting column are respectively arranged along two sides of the upper jaw scissors; correspondingly, a first limiting groove for limiting the first limiting column is formed in the inner side of the first lower jaw seat, and a second limiting groove for limiting the second limiting column is formed in the inner side of the second lower jaw seat.
Preferably, the first connecting device comprises a lower jaw fixing plate fixed to the rear end of the lower jaw shear, a reinforcing block with a reinforcing plate is connected to the axis position of the lower jaw fixing plate, a supporting plate used for being attached to the bottom of the excavator mechanical arm is connected to the upper surfaces of the reinforcing block and the reinforcing plate, a group of symmetrical connecting plates are further connected between the supporting plate and the lower jaw fixing plate, and mechanical arm connecting holes used for being connected with the excavator mechanical arm are formed in the connecting plates; the bottom side of the tail end of the reinforcing plate is connected with a first locking plate, and the first locking plate is connected with the second locking plate through a group of mutually symmetrical locking columns.
Preferably, the second connecting device comprises an upper jaw fixing plate fixed with the rear end of the upper jaw scissors, a group of symmetrical lug plates are arranged on the upper jaw fixing plate, and cylinder connecting holes used for being connected with the excavator cylinders are formed in the lug plates; the top and the bottom side of the upper jaw fixing plate and the upper jaw scissors are respectively provided with a first upper jaw reinforcing plate and a second upper jaw reinforcing plate.
Advantageous effects
The invention provides a novel mechanical shear, which comprises an upper jaw shear and a lower jaw shear which are arranged by the scheme and can be mutually occluded, wherein the lower jaw shear is connected with a first connecting device which can be connected with an excavator mechanical arm, and the upper jaw shear is connected with a second connecting device which can be connected with an excavator oil cylinder. The device is simple in structure, and due to the modular arrangement, the device is easier to maintain and assemble, and can quickly and accurately cut off an object to be cut.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a first perspective view of a pair of novel mechanical shears according to the present invention;
FIG. 2 is a second perspective view of the novel mechanical shears of the present invention;
fig. 3 is a first perspective view of a pair of upper jaw scissors of the novel mechanical scissors of the invention;
fig. 4 is a second perspective view of a pair of upper jaw scissors of the novel mechanical scissors of the invention;
FIG. 5 is a schematic view of a connecting block of a jaw of the novel mechanical scissors according to the present invention;
FIG. 6 is a schematic view of a second connecting device of the novel mechanical shears of the present invention;
fig. 7 is a schematic structural view of a first lower jaw seat of the novel mechanical shear of the invention;
FIG. 8 is a schematic structural view of a second lower jaw seat of the novel mechanical shear of the present invention;
FIG. 9 is a schematic view of a second lower jaw seat blade mounting of a second lower jaw seat of the novel mechanical shear of the present invention;
fig. 10 is a schematic view of the installation of the jaw connecting block of the novel mechanical scissors;
FIG. 11 is a schematic view of the installation of the pin shaft of the novel mechanical shears of the present invention;
fig. 12 is a first perspective view of a first connecting device of the novel mechanical shears of the present invention;
fig. 13 is a second perspective view of the first connecting device of the novel mechanical shears of the present invention.
Graphic notation:
1-upper jaw shear, 1-1-upper jaw blade fixing groove, 1-11-first upper jaw blade fixing groove, 1-12-second upper jaw blade fixing groove, 1-13-third upper jaw blade fixing groove, 1-2-upper jaw blade, 1-21-first upper jaw blade, 1-22-second upper jaw blade, 1-23-third upper jaw blade, 1-24-fourth upper jaw blade, 1-3-third hinge hole, 1-4-first limiting column, 1-5-second limiting column, 2-lower jaw, 2-1-first lower jaw seat, 2-11-first lower jaw seat blade, 2-111-first lower jaw blade, 2-112-lower jaw blade, 2-113-third mandible blade, 2-12-first mandible seat blade fixing groove, 2-121-first mandible blade fixing groove, 2-122-second mandible blade fixing groove, 2-123-third mandible blade fixing groove, 2-13-first connecting shaft groove hole, 2-14-first hinging hole, 2-15-first limiting groove, 2-2-second mandible seat, 2-21-second mandible seat blade, 2-22-second mandible seat blade fixing groove, 2-23-arc groove, 2-24-second connecting shaft groove hole, 2-25-second hinging hole, 2-26-second limiting groove, 2-3-mandible connecting block, 2-31-connecting block blade, 2-32-connecting block blade fixing groove, 2-33-connecting block protrusion, 2-4-connecting block fixing groove, 2-5-inclined plate connecting shaft, 2-6-inclined plate, 3-first connecting device, 3-1-lower jaw fixing plate, 3-2-reinforcing block, 3-3-reinforcing plate, 3-4-supporting plate, 3-5-connecting plate, 3-6-mechanical arm connecting hole, 3-7-first locking plate, 3-8-second locking plate, 3-9-locking column, 3-10-cover plate, 4-second connecting device, 4-1-upper jaw fixing plate, 4-2-ear plate, 4-3-oil cylinder connecting hole, 4-4-first upper jaw reinforcing plate, 4-5-second upper jaw reinforcing plate, 5-pin shaft, 5-1-pin shaft sleeve, 6-pin shaft fixing ring, 7-reinforcing rib plate, 8-fixing hole and 9-gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the novel mechanical scissors comprise a olecranon-shaped upper jaw scissors 1 and a lower jaw scissors 2 matched with the olecranon-shaped upper jaw scissors 1, wherein the upper jaw scissors 1 and the lower jaw scissors 2 are hinged with each other; the lower jaw scissors 2 are provided with a first connecting device 3 used for being connected with an excavator mechanical arm, and the upper jaw scissors 1 are provided with a second connecting device 4 used for being connected with an excavator oil cylinder; under the drive of the oil cylinder of the excavator, the upper jaw scissors 1 can do opening and occluding actions relative to the lower jaw scissors 2; the mechanical scissors are realized by the blades for cutting off the object to be cut, and specifically comprise: as shown in fig. 3 and 4, the upper jaw scissors 1 are provided with upper jaw blade fixing grooves 1-1 for mounting upper jaw blades 1-2, and the upper jaw blades 1-2 and the upper jaw blade fixing grooves 1-1 are provided with mutually matched fixing holes 8 which are fixed by screws; as shown in fig. 5, 7, 8 and 9, the pair of lower jaw scissors 2 comprises a first lower jaw seat 2-1 and a second lower jaw seat 2-2 which are L-shaped and symmetrical to each other, and as shown in fig. 10, the front ends of the first lower jaw seat 2-1 and the second lower jaw seat 2-2 are connected by a lower jaw connecting block 2-3; a first lower jaw seat blade fixing groove 2-12 for mounting a first lower jaw seat blade 2-11 is formed in the inner side of the first lower jaw seat 2-1, and the first lower jaw seat blade 2-11 and the first lower jaw seat blade fixing groove 2-12 are provided with mutually matched fixing holes 8 which are fixed through screws; the second lower jaw seat 2-2 is provided with an arc-shaped groove 2-23 for limiting an object to be cut, and further comprises a second lower jaw seat blade fixing groove 2-22 for mounting a second lower jaw seat blade 2-21, and the second lower jaw seat blade 2-21 and the second lower jaw seat blade fixing groove 2-22 are provided with mutually matched fixing holes 8 which are fixed through screws; a connecting block blade fixing groove 2-32 for mounting a connecting block blade 2-31 is formed in the lower jaw connecting block 2-3, and the fixing holes 8 matched with each other are formed in the connecting block blade 2-31 and the connecting block blade fixing groove 2-32 and are fixed through screws; the first lower jaw seat insert 2-11, the connecting block insert 2-31 and the second lower jaw seat insert 2-21 are connected to each other.
Specifically, for better cutting off the object of waiting to cut, this mechanical scissors adopts lower jaw scissors 2 can overlap the structure of establishing upper jaw scissors 1, and the object is waited to cut in centre gripping that not only can be better, can make the piece of cutting, disintegrating slag etc. follow moreover lower jaw scissors 2 discharges, has increased the life of this mechanical scissors.
As an optimization of the upper jaw scissors 1, the upper jaw blade fixing grooves 1-1 include first upper jaw blade fixing grooves 1-11 and second upper jaw blade fixing grooves 1-12 opened at the outer side of the upper jaw scissors 1, and third upper jaw blade fixing grooves 1-13 at the front end; the upper jaw blades 1-2 include first upper jaw blades 1-21 matched with the first upper jaw blade fixing grooves 1-11, second upper jaw blades 1-22 matched with the second upper jaw blade fixing grooves 1-12, third upper jaw blades 1-23 and fourth upper jaw blades 1-24 matched with the third upper jaw blade fixing grooves 1-13, and the third upper jaw blades 1-23 and the fourth upper jaw blades 1-24 have the same specification, are symmetrical to each other, and wrap the third upper jaw blade fixing grooves 1-13.
As an optimization of the lower jaw scissors 2, the first lower jaw seat blade fixing grooves 2 to 12 include a first lower jaw blade fixing groove 2 to 121, a second lower jaw blade fixing groove 2 to 122, and a third lower jaw blade fixing groove 2 to 123 opened inside the first lower jaw seat 2 to 1; the first lower jaw seat blade 2-11 comprises a first lower jaw blade 2-111 mating with the first lower jaw blade securing slot 2-121, a second lower jaw blade 2-112 mating with the second lower jaw blade securing slot 2-122, a third lower jaw blade 2-113 mating with the third lower jaw blade securing slot 2-123; the second chin rest blade securing slots 2-22 are symmetrical to the third chin blade securing slots 2-123, and the second chin rest blades 2-21 are symmetrical to the third chin blade 2-113.
The lower jaw connecting block 2-3 further comprises a group of connecting block protrusions 2-33 which are symmetrically arranged, and the connecting block protrusions 2-33 can be matched and fixed with connecting block fixing grooves 2-4 arranged at the front end of the lower jaw scissors 2.
In order to facilitate discharging of residual scraps or slag in the operation process, a first connecting shaft groove hole 2-13 is formed along the inner side of the first lower jaw seat 2-1, a second connecting shaft groove hole 2-24 symmetrical to the first connecting shaft groove hole 2-13 is formed along the inner side of the second lower jaw seat 2-2, two ends of an inclined plate connecting shaft 2-5 are respectively sleeved in the first connecting shaft groove hole 2-13 and the second connecting shaft groove hole 2-24, and an inclined plate 2-6 is connected to the side wall of the inclined plate connecting shaft 2-5. The two sides of the inclined plate 2-6 form angles and are respectively fixed with the inner walls of the first lower jaw seat 2-1 and the second lower jaw seat 2-2; the bottom ends of the inclined plates 2-6 are flush with the bottom side of the lower jaw scissors 2.
As shown in fig. 11, as a connection manner of the upper jaw scissors 1 and the lower jaw scissors 2, a first hinge hole 2-14 is formed on the first lower jaw base 2-1, a second hinge hole 2-25 is formed on the second lower jaw base 2-2, and a third hinge hole 1-3 is formed on the upper jaw scissors 1; a pin shaft 5 sequentially penetrates through the first hinge holes 2-14, the third hinge holes 1-3 and the second hinge holes 2-25 and is fixed with a pin shaft fixing ring 6, in order to enable the connection between the upper jaw scissors 1 and the lower jaw scissors 2 to be more accurate, a pin shaft sleeve 5-1 is sleeved on the outer side of the pin shaft 5, and a gasket 9 is arranged between the first hinge holes 2-14, the third hinge holes 1-3 and the second hinge holes 2-25.
As the optimization of the mechanical scissors, as shown in fig. 3, 4, 7 and 8, a first limiting column 1-4 and a second limiting column 1-5 are respectively arranged along two sides of the upper jaw scissors 1; correspondingly, a first limiting groove 2-15 for limiting the first limiting column 1-4 is formed in the inner side of the first lower jaw seat 2-1, and a second limiting groove 2-26 for limiting the second limiting column 1-5 is formed in the inner side of the second lower jaw seat 2-2. Specifically, in this embodiment. The first limiting columns 1-4 and the second limiting columns 1-5 are asymmetric, and the first limiting grooves 2-15 and the second limiting grooves 2-26 are asymmetric, so that the arrangement of the structure not only can safely limit the opening angle between the upper jaw scissors 1 and the lower jaw scissors 2, but also can ensure that the actions of the upper jaw scissors 1 and the lower jaw scissors 2 are more stable when being mutually occluded.
As a form of connection of the present mechanical shears to a mechanical arm of an excavator, as shown in fig. 12 and 13, the first connecting means 3 includes a lower jaw fixing plate 3-1 fixed to the rear end of the lower jaw shears 2, the axle center position of the lower jaw fixing block 3-1 is connected with a reinforcing block 3-2 with a reinforcing plate 3-3, the upper surfaces of the reinforcing block 3-2 and the reinforcing plate 3-3 are connected with a supporting plate 3-4 which is used for being attached to the bottom of the mechanical arm of the excavator, a group of mutually symmetrical connecting plates 3-5 are also connected between the supporting plate 3-4 and the lower jaw fixing plate 3-1, the connecting plate 3-5 is provided with a mechanical arm connecting hole 3-6 for connecting with the mechanical arm of the excavator, and the bottom of the connecting plate 3-5 is connected through a cover plate 3-10; in order to enable the mechanical shear to be better connected with the mechanical arm of the excavator, the mechanical shear is additionally provided with a locking device, the locking device comprises a first locking plate 3-7 connected with the bottom side of the tail end of the reinforcing plate 3-3, and the first locking plate 3-7 is connected with the second locking plate 3-8 through a group of mutually symmetrical locking columns 3-9. As shown in fig. 6, the second connecting device 4 includes a fixed plate 4-1 fixed to the rear end of the upper jaw scissors 1, a set of symmetrical ear plates 4-2 are disposed on the fixed plate 4-1, and a cylinder connecting hole 4-3 for connecting to the excavator cylinder is disposed on the ear plate 4-2; the top and the bottom sides of the upper jaw fixing plate 4-1 and the upper jaw scissors 1 are also respectively provided with a first upper jaw reinforcing plate 4-4 and a second upper jaw reinforcing plate 4-5.
As shown in fig. 1, 6 and 12, in order to make the connection of the mechanical shear structure more firm, reinforcing rib plates 7 are arranged between the lower jaw fixing plate 3-1 and the side wall of the lower jaw shear 2 and between the first locking plate 3-7 and the reinforcing plate 3-3.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a novel mechanical scissors which characterized in that: the jaw scissors comprise a olecranon-shaped upper jaw scissors (1) and a lower jaw scissors (2) matched with the olecranon-shaped upper jaw scissors, wherein the upper jaw scissors (1) and the lower jaw scissors (2) are hinged with each other; the lower jaw scissors (2) are provided with a first connecting device (3) used for being connected with an excavator mechanical arm, and the upper jaw scissors (1) are provided with a second connecting device (4) used for being connected with an excavator oil cylinder; under the driving of the oil cylinder of the excavator, the upper jaw scissors (1) can do opening and occluding actions relative to the lower jaw scissors (2);
the upper jaw scissors (1) are provided with upper jaw blade fixing grooves (1-1) for mounting upper jaw blades (1-2), and the upper jaw blades (1-2) and the upper jaw blade fixing grooves (1-1) are provided with mutually matched fixing holes (8) and fixed through screws;
the lower jaw scissors (2) comprise a first lower jaw seat (2-1) and a second lower jaw seat (2-2) which are mutually symmetrical and L-shaped, and the front ends of the first lower jaw seat (2-1) and the second lower jaw seat (2-2) are connected through a lower jaw connecting block (2-3); a first lower jaw seat blade fixing groove (2-12) for mounting a first lower jaw seat blade (2-11) is formed in the inner side of the first lower jaw seat (2-1), and the first lower jaw seat blade (2-11) and the first lower jaw seat blade fixing groove (2-12) are provided with mutually matched fixing holes (8) which are fixed through screws; the second lower jaw seat (2-2) is provided with an arc-shaped groove (2-23) for limiting an object to be cut, the second lower jaw seat further comprises a second lower jaw seat blade fixing groove (2-22) for mounting a second lower jaw seat blade (2-21), and the second lower jaw seat blade (2-21) and the second lower jaw seat blade fixing groove (2-22) are provided with fixing holes (8) which are matched with each other and fixed through screws; a connecting block blade fixing groove (2-32) for installing a connecting block blade (2-31) is formed in the lower jaw connecting block (2-3), and fixing holes (8) matched with each other are formed in the connecting block blade (2-31) and the connecting block blade fixing groove (2-32) and are fixed through screws; the first lower jaw seat blade (2-11), the connecting block blade (2-31) and the second lower jaw seat blade (2-21) are connected to each other.
2. The novel mechanical shear of claim 1, wherein: the upper jaw blade fixing grooves (1-1) comprise first upper jaw blade fixing grooves (1-11) and second upper jaw blade fixing grooves (1-12) which are arranged on the outer side of the upper jaw scissors (1), and third upper jaw blade fixing grooves (1-13) at the front ends; the upper jaw blades (1-2) comprise first upper jaw blades (1-21) matched with the first upper jaw blade fixing grooves (1-11), second upper jaw blades (1-22) matched with the second upper jaw blade fixing grooves (1-12), third upper jaw blades (1-23) matched with the third upper jaw blade fixing grooves (1-13) and fourth upper jaw blades (1-24), wherein the third upper jaw blades (1-23) and the fourth upper jaw blades (1-24) are identical in specification, symmetrical to each other and wrap the third upper jaw blade fixing grooves (1-13).
3. The novel mechanical shear of claim 1, wherein: the first lower jaw seat blade fixing grooves (2-12) comprise first lower jaw blade fixing grooves (2-121), second lower jaw blade fixing grooves (2-122) and third lower jaw blade fixing grooves (2-123) which are arranged on the inner side of the first lower jaw seat (2-1); the first lower jaw seat insert (2-11) comprises a first lower jaw insert (2-111) matching the first lower jaw insert fixation slot (2-121), a second lower jaw insert (2-112) matching the second lower jaw insert fixation slot (2-122), a third lower jaw insert (2-113) matching the third lower jaw insert fixation slot (2-123); the second chin rest blade securing slots (2-22) are symmetrical to the third chin blade securing slots (2-123), and the second chin rest blades (2-21) are symmetrical to the third chin blades (2-113).
4. The novel mechanical shear of claim 1, wherein: the lower jaw connecting block (2-3) further comprises a group of connecting block protrusions (2-33) which are symmetrically arranged, and the connecting block protrusions (2-33) can be matched and fixed with connecting block fixing grooves (2-4) arranged at the front end of the lower jaw scissors (2).
5. The novel mechanical shear of claim 1, wherein: first connecting shaft groove holes (2-13) are formed in the inner side of the first lower jaw seat (2-1), second connecting shaft groove holes (2-24) which are symmetrical to the first connecting shaft groove holes (2-13) are formed in the inner side of the second lower jaw seat (2-2), two ends of the inclined plate connecting shaft (2-5) are respectively sleeved in the first connecting shaft groove holes (2-13) and the second connecting shaft groove holes (2-24), and inclined plates (2-6) are connected to the side walls of the inclined plate connecting shaft (2-5).
6. The novel mechanical shear of claim 5, wherein: the two sides of the inclined plate (2-6) form angles and are respectively fixed with the inner walls of the first lower jaw seat (2-1) and the second lower jaw seat (2-2); the bottom end of the inclined plate (2-6) is flush with the bottom side of the lower jaw scissors (2).
7. The novel mechanical shear of claim 1, wherein: a first hinging hole (2-14) is formed in the first lower jaw seat (2-1), a second hinging hole (2-25) is formed in the second lower jaw seat (2-2), and a third hinging hole (1-3) is formed in the upper jaw scissors (1); and the pin shaft (5) sequentially penetrates through the first hinge holes (2-14), the third hinge holes (1-3) and the second hinge holes (2-25) and is fixed with the pin shaft fixing ring (6).
8. The novel mechanical shear of claim 1, wherein: a first limiting column (1-4) and a second limiting column (1-5) are respectively arranged along two sides of the upper jaw scissors (1); correspondingly, a first limiting groove (2-15) for limiting the first limiting column (1-4) is formed in the inner side of the first lower jaw seat (2-1), and a second limiting groove (2-26) for limiting the second limiting column (1-5) is formed in the inner side of the second lower jaw seat (2-2).
9. The novel mechanical shear of claim 1, wherein: the first connecting device (3) comprises a lower jaw fixing plate (3-1) fixed to the rear end of the lower jaw scissors (2), a reinforcing block (3-2) with a reinforcing plate (3-3) is connected to the axis position of the lower jaw fixing plate (3-1), a supporting plate (3-4) used for being attached to the bottom of the excavator mechanical arm is connected to the upper surface of the reinforcing block (3-2) and the upper surface of the reinforcing plate (3-3), a group of symmetrical connecting plates (3-5) are further connected between the supporting plate (3-4) and the lower jaw fixing plate (3-1), and mechanical arm connecting holes (3-6) used for being connected with the excavator mechanical arm are formed in the connecting plates (3-5); the bottom side of the tail end of the reinforcing plate (3-3) is connected with a first locking plate (3-7), and the first locking plate (3-7) is connected with a second locking plate (3-8) through a group of mutually symmetrical locking columns (3-9).
10. The novel mechanical shear of claim 2, wherein: the second connecting device (4) comprises an upper jaw fixing plate (4-1) fixed with the rear end of the upper jaw scissors (1), a group of lug plates (4-2) which are symmetrical to each other are arranged on the upper jaw fixing plate (4-1), and an oil cylinder connecting hole (4-3) used for being connected with an oil cylinder of the excavator is formed in each lug plate (4-2); the top and the bottom sides of the upper jaw fixing plate (4-1) and the upper jaw scissors (1) are respectively provided with a first upper jaw reinforcing plate (4-4) and a second upper jaw reinforcing plate (4-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011177526.9A CN112177075A (en) | 2020-10-28 | 2020-10-28 | Novel mechanical scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011177526.9A CN112177075A (en) | 2020-10-28 | 2020-10-28 | Novel mechanical scissors |
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| Publication Number | Publication Date |
|---|---|
| CN112177075A true CN112177075A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011177526.9A Pending CN112177075A (en) | 2020-10-28 | 2020-10-28 | Novel mechanical scissors |
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| Country | Link |
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| CN (1) | CN112177075A (en) |
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| US20040093739A1 (en) * | 2002-11-18 | 2004-05-20 | Jacobson Daniel P | Replaceable demolition shear piercing tip |
| EP2672018A1 (en) * | 2012-06-05 | 2013-12-11 | Seung Hwan Ko | Blade positioning structure for a shear for a works machine |
| CN105492152A (en) * | 2013-04-09 | 2016-04-13 | 创元配件有限责任公司 | Demolition shear and demolition shear piercing tip insert and nose configuration |
| CN205243064U (en) * | 2015-12-15 | 2016-05-18 | 山东铭德港城机械有限公司 | Hydraulic pressure is cut for excavator |
| CN206839005U (en) * | 2017-06-06 | 2018-01-05 | 无锡市北奕挖掘机配件制造厂 | Excavator reinforced shear |
| CN108411960A (en) * | 2018-05-15 | 2018-08-17 | 潍坊潍液机械有限公司 | A kind of hydraulic cutting device being installed on digger arm |
| JP3221512U (en) * | 2018-11-13 | 2019-05-30 | 平仲 ▲黄▼ | monkey wrench |
| CN213897274U (en) * | 2020-10-28 | 2021-08-06 | 无锡市北奕挖掘机配件制造厂 | Novel mechanical scissors |
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2020
- 2020-10-28 CN CN202011177526.9A patent/CN112177075A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040093739A1 (en) * | 2002-11-18 | 2004-05-20 | Jacobson Daniel P | Replaceable demolition shear piercing tip |
| EP2672018A1 (en) * | 2012-06-05 | 2013-12-11 | Seung Hwan Ko | Blade positioning structure for a shear for a works machine |
| CN105492152A (en) * | 2013-04-09 | 2016-04-13 | 创元配件有限责任公司 | Demolition shear and demolition shear piercing tip insert and nose configuration |
| CN205243064U (en) * | 2015-12-15 | 2016-05-18 | 山东铭德港城机械有限公司 | Hydraulic pressure is cut for excavator |
| CN206839005U (en) * | 2017-06-06 | 2018-01-05 | 无锡市北奕挖掘机配件制造厂 | Excavator reinforced shear |
| CN108411960A (en) * | 2018-05-15 | 2018-08-17 | 潍坊潍液机械有限公司 | A kind of hydraulic cutting device being installed on digger arm |
| JP3221512U (en) * | 2018-11-13 | 2019-05-30 | 平仲 ▲黄▼ | monkey wrench |
| CN213897274U (en) * | 2020-10-28 | 2021-08-06 | 无锡市北奕挖掘机配件制造厂 | Novel mechanical scissors |
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