CN220539309U - Hydraulic shear for breaking and dismantling excavator - Google Patents
Hydraulic shear for breaking and dismantling excavator Download PDFInfo
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- CN220539309U CN220539309U CN202321605222.7U CN202321605222U CN220539309U CN 220539309 U CN220539309 U CN 220539309U CN 202321605222 U CN202321605222 U CN 202321605222U CN 220539309 U CN220539309 U CN 220539309U
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- 238000005520 cutting process Methods 0.000 claims abstract description 31
- 238000003466 welding Methods 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 2
- 238000010008 shearing Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 241000274582 Pycnanthus angolensis Species 0.000 description 5
- 239000011087 paperboard Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model provides a breaking hydraulic shear for an excavator, which comprises a movable cutter body, a fixed cutter body and four identical main cutters, wherein the longitudinal section of each main cutter is in a parallelogram, two cutting edges with opposite directions are diagonally arranged on each main cutter, the two main cutters are arranged at the upper part of the front end side of the fixed cutter body to form a fixed main cutter, the other two main cutters are arranged below the front end side of the movable cutter body to form a movable main cutter, the fixed main cutter and the movable main cutter are axially symmetrically arranged, and the cutting edges of the fixed main cutters are matched with the cutting edges of the movable main cutters. This hydraulic pressure is torn open with tearing open to excavator accomplishes main broken tearing open, shearing work through moving the main sword and deciding the main sword, and the main sword possesses good interchangeability, and after the current work blade of certain main sword damaged, dismantle reserve, can install at other suitable positions through translation or upset in the follow-up work, utilize another blade to continue to work, make it can be by the reutilization, effectively reduced hydraulic pressure shearing tool replacement cost.
Description
Technical Field
The utility model relates to the technical field related to working devices of excavators, in particular to a breaking hydraulic shear for an excavator.
Background
The hydraulic shears are working devices matched with the excavator for breaking, shearing and finishing waste steel pipes and steel materials, and generally comprise a movable cutter body and a fixed cutter body which are connected in a hinged mode, wherein a plurality of sheet cutters are arranged on the movable cutter body and the fixed cutter body and are connected with an oil path control system of the excavator to control the movable cutter body to rotate relative to the fixed cutter body, so that the steel pipes and steel materials positioned between the movable cutter body and the fixed cutter body are treated. The sheet-shaped cutter is used as a vulnerable part in the hydraulic shear, the replacement frequency is high, the size and specification of the sheet-shaped cutter installed on the existing movable cutter body and the existing fixed cutter body are different, the interchangeability is poor, each cutter is only provided with one cutting edge, the cutter can be used as a waste part after the cutting edge is damaged, and the cutter replacement cost is high due to the reasons.
Disclosure of Invention
The utility model aims to provide a breaking hydraulic shear for an excavator, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a broken hydraulic pressure scissors of tearing open for excavator, including moving cutter body and stationary cutter body, stationary cutter body rear end upper portion is provided with the pivot, it cup joints in the pivot to move cutter body middle part, stationary cutter body rear end has still welded the box, articulated in the box is provided with the pneumatic cylinder, the pneumatic cylinder telescopic link articulates mutually with moving cutter body rear end, it still includes four the same main cutters, main cutter longitudinal section is parallelogram, be the diagonal setting on the main cutter and be provided with two cutting edges opposite in orientation, one sets up in main cutter top face long limit edge, another sets up in main cutter bottom face long limit edge, two main cutter cutting edges unanimously and fixedly set up in stationary cutter body front end side upper portion formation stationary main cutter, two other main cutter cutting edges unanimously and fixedly set up in moving cutter body front end side below formation stationary main cutter and movable main cutter, stationary main cutter and movable main cutter cutting edge axisymmetrically set up, and stationary main cutter cutting edge phase matches.
Preferably, in the two main cutters forming the fixed main cutter, the included angle between the two end surfaces of the top is an obtuse angle, and in the two main cutters forming the movable main cutter, the included angle between the two end surfaces of the bottom is an obtuse angle with equal degrees.
Preferably, the fixed cutter body comprises two side cutter body plates which are arranged in parallel, wherein the inner side of one side cutter body plate is provided with a concave main cutter groove, the other side cutter body plate is provided with a notch at the position corresponding to the main cutter groove, the movable cutter body is clamped between the two side cutter body plates, one side of the movable cutter body, which is close to the side cutter body plate provided with the main cutter groove, is also provided with a concave main cutter groove, the fixed main cutter is fixedly arranged in the main cutter groove on the fixed cutter body, and the movable main cutter is fixedly arranged in the main cutter groove on the movable cutter body.
Preferably, the front end of the movable cutter body is also provided with a reverse-folding cutter body head.
Preferably, the cutter body head is fixedly provided with an end movable cutter in a cladding manner, the fixed cutter body further comprises an end cutter body plate, the end cutter body plate is fixedly arranged at the front ends of the two side cutter body plates, the inner side of the end cutter body plate is provided with an inwards concave end fixed cutter groove, the end fixed cutter is fixedly arranged in the end fixed cutter groove, the inner sides of the two side cutter body plates are also provided with inwards concave auxiliary cutter grooves, the auxiliary cutter is fixedly arranged in the auxiliary cutter grooves, and the cutting edges on the lower end surfaces of the end movable cutter are matched with the cutting edges on the end fixed cutter and the auxiliary cutter.
Preferably, the two side cutter body plates are welded and fixed through a plurality of welding columns arranged at the rear ends from top to bottom.
Preferably, the rear ends of the two side cutter body plates are welded with sloping plates with lower front parts and higher rear parts.
Preferably, the box body comprises two side box plates, the two side box plates and the two side cutter body plates are welded and fixed in a one-to-one correspondence manner, the side box plate above the rotating shaft extends to the front end of the side cutter body plate to form an upper protruding part, and the side box plate below the rotating shaft extends to the front end of the side cutter body plate to form a lower protruding part.
Preferably, the rear end of the box body is fixedly connected with a connecting disc, and a rib plate is arranged between the connecting disc and the side wall of the box body.
This excavator is with broken hydraulic pressure of tearing open to current hydraulic pressure shear structure optimize the improvement, the assembly specification is the same on the movable cutter body of hydraulic pressure shear and the stationary cutter body, and the main cutter that all is provided with two blades on every main cutter constitutes movable main cutter and stationary main cutter, accomplish main broken tearing open, shearing work through movable main cutter and stationary main cutter, the main cutter that specification, size are the same possesses good interchangeability, after the current working edge of a certain main cutter damages, dismantle the reserve, can install at other suitable positions through translation or upset in the follow-up work, utilize another blade to continue to work, make it can be by the reutilization, hydraulic pressure cutter replacement cost has been effectively reduced.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a rear view of the present utility model;
FIG. 3 is a schematic view of the structure of the stationary cutter body (without cutters);
FIG. 4 is a schematic view of the structure of the stationary cutter body (cutter is installed) of the present utility model;
FIG. 5 is a schematic view of a cutter head according to the present utility model;
FIG. 6 is a front view of the primary cutter of the present utility model;
fig. 7 is a side view of the primary cutter of the present utility model.
In the figure: 1. the box body, 2, the movable cutter body, 3, the fixed cutter body, 4, the hydraulic cylinder, 5, the main cutter, 6, the main cutter groove, 7, the connecting disc, 8, the rib plate, 9, the rotating shaft, 11, the side box plate, 12, the upper protruding part, 13, the lower protruding part, 21, the cutter body head, and the lower protruding part end moving tool, 31 side tool body plate, 32 end tool body plate, 33 auxiliary tool groove, 34 end fixed tool groove, 35 auxiliary tool, 36 end fixed tool, 37 welding post, 38 inclined plate, 39 notch and 51 cutting edge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
According to the embodiment, the hydraulic shears for the excavator comprise a movable cutter body 2 and a fixed cutter body 3 as shown in fig. 1 and 2, the upper part of the rear end of the fixed cutter body 3 is provided with a rotating shaft 9, the middle part of the movable cutter body 2 is sleeved on the rotating shaft 9, the rear end of the fixed cutter body 3 is further welded with a box body 1, a hydraulic cylinder 4 is hinged in the box body 1, a telescopic rod of the hydraulic cylinder 4 is hinged with the rear end of the movable cutter body 2, the hydraulic shears for the excavator further comprise four identical main cutters 5, as shown in fig. 6 and 7, the longitudinal section of each main cutter 5 is in a parallelogram shape, two cutting edges 51 with opposite directions are diagonally arranged on the main cutter 5, one cutting edge 51 is arranged on the long edge of the top end of the main cutter 5, the other cutting edge 51 is arranged on the long edge of the bottom end of the main cutter 5, the two cutting edges 51 are respectively arranged on the two end faces so as to facilitate machining, one cutting edge 51 is arranged on the outer side so as to perform shearing work, the other cutting edge 51 is positioned on the inner side, the two cutting edges are not contacted with steel materials, the two main cutters are conveniently contacted with the rear end of the movable cutter body 2, the front end of the main cutter body 3 is symmetrically arranged on the front end of the main cutter body 2 or the front end is symmetrically arranged on the front end of the main cutter body 2, or the front end is correspondingly arranged on the front end of the main cutter 2, and the front cutter 2 is correspondingly opened and is opened and closed, or is symmetrically, and opened and closed, and opened, and closed, and the front cutting edges are respectively, and opened.
This excavator is with broken hydraulic pressure of tearing open to current hydraulic pressure shear structure optimize the improvement, the assembly specification is the same on the movable cutter body 2 of hydraulic pressure shear and the stationary cutter body 3, and all be provided with the main cutter 5 of two blade 51 on every main cutter 5 and constitute movable main cutter and stationary main cutter, accomplish main broken tearing open, shearing work through movable main cutter and stationary main cutter, the main cutter 5 that specification, size are the same possesses good interchangeability, after the damage of certain main cutter 5 current working blade, dismantle reserve, can install at other suitable positions through translation or upset in the follow-up work, utilize another blade to continue to work, make it can be by the reutilization, hydraulic pressure shear cutter replacement cost has been effectively reduced.
In this hydraulic pressure is torn open to excavator, constitute in two main cutters 5 of deciding the main sword, contained angle between the top both ends face is the obtuse angle, constitute in two main cutters 5 of moving the main sword, contained angle between the bottom both ends face is the obtuse angle that the number of degrees equals, so design, decide the main sword and move the main sword and all constitute the broken line shape, the contained angle that the broken line shape formed can provide the stay space for the tubular product of centre gripping wherein, prevent that it from outwards breaking away from, during shearing, move the main sword and be close to deciding the main sword rotation, move the main cutter 5 that the main sword is located the front end can also provide backward callback force, further prevent that the tubular product from outwards breaking away from, be favorable to the centre gripping and the shearing to tubular product.
In the hydraulic shear for the excavator, as shown in fig. 3 and 4, the fixed cutter body 3 comprises two side cutter body plates 31 which are arranged in parallel, the two side cutter body plates 31 form an upper end face of the fixed cutter body 3 with a certain width, a more stable support is provided for pipes and plates to be sheared, smooth shearing work is facilitated, a descending space is provided for the movable cutter body 2 by a hollow groove between the two side cutter body plates 31, chips can be ensured to fall smoothly, interference to descending of the movable cutter body 2 is prevented, a concave main cutter groove 6 is formed in one inner side of the two side cutter body plates 31, a notch 39 is formed in a position corresponding to the main cutter groove 6 of the other side cutter body plate 31, the notch 39 can be in a smooth transition arc-shaped structure, the notch 39 is convenient to shear, the sheared pipes and plates slide down, the movable cutter body 2 is clamped between the two side cutter body plates 31, an inner concave main cutter groove 6 is also formed in one side of the movable cutter body 2, which is close to the side cutter body 2 provided with the main cutter body plate 31, and the inner main cutter groove 6 is fixedly arranged on the main cutter body 6, and the main cutter body 6 is fixedly arranged on the main cutter body 6.
In the hydraulic breaking and dismantling shears for the excavator, the front end of the movable cutter body 2 is also provided with the reverse-folding cutter body head 21, specifically, the included angle between the lower end face of the cutter body head 21 and the lower end face of the main cutter 5 at the front end of the movable main cutter is smaller than 180 degrees, preferably an obtuse angle, and when the movable cutter body 2 rotates downwards, the cutter body head 21 can dial steel to be sheared between the fixed main cutter and the movable main cutter.
In the hydraulic shear for the excavator, the end movable cutter 22 is fixedly coated on the cutter body head 21, the whole cutter body can be fixedly coated, the cutter body 3 can also be fixedly coated in sections, the cutter body 3 further comprises an end cutter body plate 32, the end cutter body plate 32 is fixedly arranged at the front ends of the two side cutter body plates 31, the inner sides of the end cutter body plate 32 are provided with concave end fixed cutter grooves 34, the end fixed cutter 36 is fixedly arranged in the end fixed cutter grooves 34, the inner sides of the two side cutter body plates 31 are further provided with concave auxiliary cutter grooves 33, the auxiliary cutter 35 is fixedly arranged in the auxiliary cutter grooves 33, the cutting edges 51 on the lower end surfaces of the end movable cutter 22 are matched with the end fixed cutter 36 and the cutting edges 51 on the auxiliary cutter 35, and the end movable cutter 22 can be independently or matched with the end fixed cutter 36 and the auxiliary cutter 35 to finish the breaking and dismantling work of thin plates and boxes.
In this hydraulic shear is torn open to excavator, two side cutter body boards 31 pass through a plurality of welded column 37 welded fastening that rear end top-down set up, compare with the mode that utilizes platelike structure to carry out welded fastening among the prior art, adopt the welded column 37 welded fastening two side cutter body boards 31 of columnar structure, can provide more stable joint strength.
Furthermore, the rear ends of the two side cutter plates 31 are welded with the sloping plates 38 with low front and high rear, the sloping plates 38 can further enhance the connection strength of the two side cutter plates 31, the sloping plates with low front and high rear can not interfere the descending of the movable main cutter, and a certain blocking effect is prepared to prevent chips from entering the box body 1.
In this hydraulic shear is torn open to excavator, box 1 includes two side boxboards 11, and two side boxboards 11 and two side cutter body boards 31 one-to-one welded fastening, and the side boxboard 11 of pivot 9 top extends to side cutter body board 31 front end and forms protruding portion 12, and the side boxboard 11 of pivot 9 below extends to side cutter body board 31 front end and forms protruding portion 13 down, and protruding portion 12 and protruding portion 13 can both increase the welding area of side boxboard 11 and side cutter body board 31 down, increase the joint strength of both, prevent that the operation in-process from taking place accident. The box body 1 further comprises a top box plate and a bottom box plate, and a plurality of through holes are dug in the top box plate, so that the hydraulic cylinder 4 can conveniently move and various pipelines can be conveniently installed.
In the hydraulic shear for the excavator, the rear end of the box body 1 is fixedly connected with the connecting disc 7, the rib plate 8 is arranged between the connecting disc 7 and the side wall of the box body 1, and the connecting disc 7 is connected with the rotary supporting device and is arranged at the arm end of the excavator.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The utility model provides a broken hydraulic pressure is cut with tearing open to excavator, includes to move cutter body (2) and stationary knife body (3), and stationary knife body (3) rear end upper portion is provided with pivot (9), moves cutter body (2) middle part and cup joints on pivot (9), and stationary knife body (3) rear end still welds box (1), articulates in box (1) and is provided with pneumatic cylinder (4), and pneumatic cylinder (4) telescopic link articulates with moving cutter body (2) rear end mutually, its characterized in that: the cutting edge fixing device comprises a main cutter body (2), and is characterized by further comprising four identical main cutters (5), wherein the longitudinal section of the main cutter (5) is in a parallelogram shape, two cutting edges (51) with opposite directions are diagonally arranged on the main cutter (5), one cutting edge is arranged on the long edge of the top end surface of the main cutter (5), the other cutting edge is arranged on the long edge of the bottom end surface of the main cutter (5), the two cutting edges (51) of the main cutter (5) are uniformly and continuously fixedly arranged on the upper part of the front end side of the fixed cutter body (3) to form a fixed main cutter, the cutting edges (51) of the other two main cutters (5) are uniformly and continuously fixedly arranged below the front end side of the movable cutter body (2) to form a movable main cutter, the fixed main cutter and the movable main cutter are axially symmetrically arranged, and the fixed main cutter cutting edges (51) are matched with the movable main cutter cutting edges (51).
2. The hydraulic breaker shear for an excavator according to claim 1, wherein: in the two main cutters (5) forming the fixed main cutter, the included angle between the two end surfaces of the top is an obtuse angle, and in the two main cutters (5) forming the movable main cutter, the included angle between the two end surfaces of the bottom is an obtuse angle with equal degrees.
3. The hydraulic breaker for an excavator according to claim 2, wherein: the fixed cutter body (3) comprises two side cutter body plates (31) which are arranged in parallel, wherein an indent main cutter groove (6) is formed in the inner side of one side cutter body plate (31), a notch (39) is formed in the position, corresponding to the main cutter groove (6), of the other side cutter body plate (31), the movable cutter body (2) is clamped between the two side cutter body plates (31), an indent main cutter groove (6) is formed in one side of the movable cutter body (2) which is close to the side cutter body plate (31) provided with the main cutter groove (6), the fixed main cutter is fixedly arranged in the main cutter groove (6) on the fixed cutter body (3), and the movable main cutter is fixedly arranged in the main cutter groove (6) on the movable cutter body (2).
4. The hydraulic breaker shear for an excavator according to claim 3, wherein: the front end of the movable cutter body (2) is also provided with a reverse-folding cutter body head (21).
5. The hydraulic breaker shear for an excavator according to claim 4, wherein: the utility model discloses a cutter body head (21) is gone up the cladding and is fixed with tip movable cutter (22), fixed cutter body (3) still include end cutter body board (32), end cutter body board (32) are fixed to be set up in two side cutter body boards (31) front ends, end cutter body board (32) inboard is provided with tip fixed cutter groove (34) of indent, tip fixed cutter groove (34) internal fixation is provided with tip fixed cutter (36), the inboard of two side cutter body boards (31) still is provided with auxiliary cutter groove (33) of indent, auxiliary cutter groove (33) internal fixation is provided with auxiliary cutter (35), blade (51) on the terminal surface under the movable cutter of tip (22) and tip fixed cutter (36), blade (51) assorted on auxiliary cutter (35).
6. The hydraulic breaker shear for an excavator according to claim 3, wherein: the two side cutter body plates (31) are welded and fixed through a plurality of welding columns (37) arranged at the rear ends from top to bottom.
7. The hydraulic breaker shear for an excavator of claim 6, wherein: the rear ends of the two side cutter body plates (31) are welded with sloping plates (38) with lower front and higher rear.
8. The hydraulic breaker shear for an excavator according to claim 3, wherein: the box body (1) comprises two side box plates (11), the two side box plates (11) are welded and fixed with the two side cutter body plates (31) in a one-to-one correspondence mode, the side box plates (11) above the rotating shaft (9) extend towards the front end of the side cutter body plates (31) to form upper protruding portions (12), and the side box plates (11) below the rotating shaft (9) extend towards the front end of the side cutter body plates (31) to form lower protruding portions (13).
9. The hydraulic breaker shear for an excavator according to claim 1, wherein: the rear end of the box body (1) is fixedly connected with a connecting disc (7), and a rib plate (8) is arranged between the connecting disc (7) and the side wall of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321605222.7U CN220539309U (en) | 2023-06-25 | 2023-06-25 | Hydraulic shear for breaking and dismantling excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321605222.7U CN220539309U (en) | 2023-06-25 | 2023-06-25 | Hydraulic shear for breaking and dismantling excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220539309U true CN220539309U (en) | 2024-02-27 |
Family
ID=89971609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321605222.7U Active CN220539309U (en) | 2023-06-25 | 2023-06-25 | Hydraulic shear for breaking and dismantling excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220539309U (en) |
-
2023
- 2023-06-25 CN CN202321605222.7U patent/CN220539309U/en active Active
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