Connecting rod type hydraulic olecranon scissors

Abstract

The utility model discloses a connecting rod type hydraulic olecranon shear which comprises a bottom plate, the top of the bottom plate is fixedly connected with a supporting frame, the inner walls of the two sides of the supporting frame are fixedly connected with a connecting shaft, the outer side of the circumference of the connecting shaft is rotationally connected with two olecranon shear handles, and the top of the bottom plate is fixedly connected with two fixing plates. A fixing mechanism for limiting the two blocking frames is arranged at the top of the bottom plate, and a power mechanism for driving the two olecranon scissor handles to move is arranged on the outer wall of one side of the supporting frame. According to the steel wire rope fixing device, the blocking frame can be rotated clockwise, so that an operator does not need to hold the steel wire rope to fix and block the steel wire rope, the steel wire rope is prevented from sliding out, labor is saved in the whole process, potential safety hazards are avoided, the clamping plate and the clamping groove can be clamped through the elastic force of the spring, and therefore the blocking frame can be rapidly fixed; the use is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of hawkbill shears, in particular to a connecting rod type hydraulic hawkbill shears. Background Art

[0002] With the continuous development of society and economy, a large amount of scrap steel will be generated and needs to be cut by hawkbill shears.

[0003] A search revealed a Chinese patent with publication number CN219818208U, which discloses a pair of hawkbill shears comprising a blade holder with a long rod on its inner wall. The blades are detachable, facilitating maintenance and enhancing portability. However, existing hawkbill shears still suffer from the following drawbacks: When in use, the operator must grasp the wire rope and forcefully push it backward to prevent it from slipping out. This process is laborious and cumbersome, posing a safety hazard. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a connecting rod type hydraulic hawkbill shear.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A connecting rod type hydraulic hawkbill shears comprises a base plate, the top of the base plate is fixedly connected to a support frame, the inner walls on both sides of the support frame are fixedly connected to a connecting shaft, the outer circumference of the connecting shaft is rotatably connected to two hawkbill shear handles, and the two hawkbill shear handles are in tight contact, one end of the two hawkbill shear handles is integrally designed with a hawkbill shear head, one side of the two hawkbill shear heads is provided with an arc surface, the top of the base plate is fixedly connected to two fixed plates, one side of the two fixed plates is provided with a through hole, a rotating shaft is rotatably connected in the through hole, one side of the rotating shaft is fixedly connected to a gear frame, the top of the base plate is provided with a fixing mechanism for limiting the two gear frames, and the outer wall of one side of the support frame is provided with a power mechanism for driving the two hawkbill shear handles to move.

[0007] As a further solution of the present invention, the fixing mechanism is two telescopic rods, which are fixedly connected to the top of the base plate. A card plate is slidably connected to the outer side of the circumference of the two telescopic rods. Two springs are fixedly connected to the bottom of the card plate, and the other ends of the two springs are fixed to the base plate. A card slot is provided at the bottom of the two gear frames, and the two card slots are connected to the card plate.

[0008] As a further solution of the present invention, the power mechanism is a cylinder, which is fixedly connected to the outer wall of one side of the cylinder, and the piston rod of the cylinder passes through the support frame and is fixedly connected to the slide, the top and bottom of the slide are fixedly connected to the slider, and a sliding groove is provided on one side of the two hawkbill shears handles, and the two sliding grooves are respectively slidably connected to the two sliders.

[0009] As a further solution of the present invention, a first protrusion is fixedly connected to the outer circumference of the two rotating shafts, and one side of the two fixing plates is fixedly connected to the second protrusion.

[0010] As a further solution of the present invention, a plurality of mounting holes are provided on the bottom plate, and the plurality of mounting holes are symmetrically distributed at the four corners of the bottom plate.

[0011] As a further solution of the present invention, the outer side of the hawk beak shear head is coated with a wear-resistant coating, and the wear-resistant coating is evenly distributed on the outer surface of the hawk beak shear head.

[0012] As a further solution of the present invention, a plurality of hanging rings are provided on the top of the support frame, and the plurality of hanging rings are symmetrically distributed on the top of the support frame.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model rotates the retaining frame clockwise to place the steel rope onto the arc surface, and then rotates the two retaining frames counterclockwise to block the steel rope. This eliminates the need for the operator to hold the steel rope to fix and block it, thus preventing the steel rope from slipping out. The overall process is labor-saving and has no safety hazards.

[0015] 2. The utility model uses the elastic force of the spring to engage the card plate with the card slot, thereby achieving rapid fixation of the gear frame and being convenient and quick to use.

[0016] 3. The present invention limits the rotation angle of the rotating shaft by the cooperation between the first protrusion and the second protrusion, thereby limiting the rotation angle of the gear frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a connecting rod type hydraulic hawkbill shear proposed in the utility model;

[0018] Figure 2 This is a schematic diagram of the enlarged structure of part A of a connecting rod type hydraulic hawkbill shear proposed in the utility model;

[0019] Figure 3 The present invention provides a schematic diagram of the enlarged structure of part B of a connecting rod type hydraulic hawkbill shear.

[0020] In the figure: 1. slide; 2. cylinder; 3. support frame; 4. slide; 5. base plate; 6. fixed plate; 7. telescopic rod; 8. spring; 9. clamping plate; 10. gear frame; 11. arc surface; 12. hawkbill shear head; 13. hawkbill shear handle; 14. slider; 15. first protrusion; 16. rotating shaft; 17. clamping slot; 18. second protrusion. DETAILED DESCRIPTION

[0021] It should be noted that the terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of this application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0022] Reference Figure 1-Figure 3 A connecting rod type hydraulic hawkbill shears comprises a base plate 5, a support frame 3 is fixed to the top of the base plate 5 by bolts, a connecting shaft is fixed to the inner walls of the two sides of the support frame 3 by bolts, and the outer circumference of the connecting shaft is rotatably connected to two hawkbill shear handles 13, and the two hawkbill shear handles 13 are in close contact, and one end of the two hawkbill shear handles 13 is integrally designed with a hawkbill shear head 12, and one side of the two hawkbill shear heads 12 is provided with an arc surface 11, the top of the base plate 5 is fixed to two fixing plates 6 by bolts, and one side of the two fixing plates 6 is provided with a through hole, and a rotating shaft 16 is rotatably connected in the through hole, and one side of the rotating shaft 16 is screwed The bolt is fixed with a guard frame 10, and the top of the base plate 5 is provided with a fixing mechanism for limiting the two guard frames 10. The outer wall of one side of the support frame 3 is provided with a power mechanism for driving the two eagle-beak shear handles 13 to move. By pulling the fixing mechanism downward, the two guard frames 10 are dropped and fixed, and then the guard frames 10 are rotated clockwise to place the steel rope onto the arc surface 11, and then the two guard frames 10 are rotated counterclockwise to block the steel rope, and then the fixing mechanism is moved upward to re-fix the guard frames 10, thereby blocking the steel rope and preventing the wire rope from slipping out. The overall process is labor-saving and there is no safety hazard.

[0023] In the present utility model, the fixing mechanism is two telescopic rods 7, which are fixed to the top of the base plate 5 by bolts. The outer circumference of the two telescopic rods 7 is slidably connected with a card plate 9. The bottom of the card plate 9 is fixed with two springs 8 by bolts, and the other ends of the two springs 8 are fixed to the base plate 5. The bottoms of the two gear frames 10 are provided with card slots 17, and the two card slots 17 are engaged with the card plate 9. Through the elastic force of the spring 8, the spring 8 drives the card plate 9 to move backward, so that the card plate 9 is engaged with the card slot 17, thereby fixing the gear frame 10.

[0024] In the present invention, the power mechanism is a cylinder 2, which is fixed to the outer wall of one side of the cylinder 2 by bolts, and the piston rod of the cylinder 2 passes through the support frame 3 and is fixed to the slide 4 by bolts. The top and bottom of the slide 4 are fixed with sliders 14 by bolts. A slide groove 1 is provided on one side of the two eagle-beak shear handles 13, and the two slide grooves 1 are respectively slidably connected to the two sliders 14. The piston rod of the cylinder 2 is contracted, and the piston rod drives the slide 4 to move backward. At the same time, the slider 14 slides in the slide groove 1, thereby driving the two eagle-beak shear handles 13 to close and cut the steel rope.

[0025] In the present invention, a first protrusion 15 is fixed to the outer side of the circumference of the two rotating shafts 16 by bolts, and one side of the two fixing plates 6 is fixed to the second protrusion 18 by bolts. Through the cooperation between the first protrusion 15 and the second protrusion 18, the rotation angle of the rotating shaft 16 is limited, thereby limiting the rotation angle of the gear frame 10.

[0026] In the present invention, a plurality of mounting holes are provided on the bottom plate 5 , and the plurality of mounting holes are symmetrically distributed at the four corners of the bottom plate 5 . The mounting holes facilitate the fixing of the hawkbill shears to prevent the hawkbill shears from shaking during use.

[0027] In the present invention, the outer side of the hawk beak shear head 12 is coated with a wear-resistant coating, and the wear-resistant coating is evenly distributed on the outer surface of the hawk beak shear head 12. The wear-resistant coating greatly increases the wear resistance of the hawk beak shear head 12, thereby indirectly increasing the service life of the hawk beak shear head 12.

[0028] In the present invention, a plurality of lifting rings are provided on the top of the support frame 3, and the plurality of lifting rings are symmetrically distributed on the top of the support frame 3, and the lifting rings facilitate the movement of the hawkbill shears.

[0029] Working principle: When it is needed, pull the card plate 9 downward to make the two gear frames 10 fall off and be fixed, then rotate the gear frame 10 clockwise to place the steel rope on the arc surface 11, then rotate the two gear frames 10 counterclockwise to make the gear frames 10 block the steel rope, then pull the card plate 9 upward, and through the elastic force of the spring 8, make the card plate 9 and the card slot 17 engage, so that the gear frame 10 is re-fixed, finally, through the contraction of the piston rod of the cylinder 2, the piston rod drives the slide 4 to move backward, so that the two eagle-beak shear handles 13 are closed, and the steel rope is cut.

[0030] The present invention has been described through the above embodiments. Those skilled in the art will understand that the present invention is not limited to the above embodiments, and more modifications can be made according to the teachings of the present invention. These modifications all fall within the scope of protection required by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A connecting rod type hydraulic hawkbill shears, comprising a base plate (5), the top of the base plate (5) is fixedly connected to a support frame (3), the inner walls of both sides of the support frame (3) are fixedly connected to a connecting shaft, the outer circumference of the connecting shaft is rotatably connected to two hawkbill shear handles (13), and the two hawkbill shear handles (13) are in close contact, one end of the two hawkbill shear handles (13) is integrally designed with a hawkbill shear head (12), characterized in that, One side of the two hawk-beak shear heads (12) is provided with an arc surface (11), the top of the base plate (5) is fixedly connected to two fixed plates (6), one side of the two fixed plates (6) is provided with a through hole, a rotating shaft (16) is rotatably connected in the through hole, and one side of the rotating shaft (16) is fixedly connected to a gear frame (10), the top of the base plate (5) is provided with a fixing mechanism for limiting the two gear frames (10), and the outer wall of one side of the support frame (3) is provided with a power mechanism for driving the two hawk-beak shear handles (13) to move.

2. The connecting rod type hydraulic hawkbill shear according to claim 1, characterized in that: The fixing mechanism comprises two telescopic rods (7), the two telescopic rods (7) are fixedly connected to the top of the base plate (5), the outer circumferences of the two telescopic rods (7) are slidably connected to a card plate (9), the bottom of the card plate (9) is fixedly connected to two springs (8), and the other ends of the two springs (8) are fixed to the base plate (5), and the bottoms of the two gear racks (10) are both provided with card slots (17), and the two card slots (17) are card-engaged with the card plate (9).

3. The connecting rod type hydraulic hawkbill shear according to claim 1, characterized in that: The power mechanism is a cylinder (2), the cylinder (2) is fixedly connected to an outer wall of one side of the cylinder (2), and the piston rod of the cylinder (2) passes through the support frame (3) and is fixedly connected to the slide (4), the top and bottom of the slide (4) are fixedly connected to the slider (14), and one side of the two hawk-beak shear handles (13) is provided with a slide groove (1), and the two slide grooves (1) are respectively slidably connected to the two sliders (14).

4. The connecting rod type hydraulic hawkbill shear according to claim 1, characterized in that: A first convex block (15) is fixedly connected to the outer circumference of the two rotating shafts (16), and one side of the two fixing plates (6) is fixedly connected to a second convex block (18).

5. The connecting rod type hydraulic hawkbill shears according to claim 2, characterized in that: The bottom plate (5) is provided with a plurality of mounting holes, and the plurality of mounting holes are symmetrically distributed at the four corners of the bottom plate (5).

6. The connecting rod type hydraulic hawkbill shear according to claim 1, characterized in that: The outer side of the hawk beak shear head (12) is coated with a wear-resistant coating, and the wear-resistant coating is evenly distributed on the outer surface of the hawk beak shear head (12).

7. The connecting rod type hydraulic hawkbill shear according to claim 3, characterized in that: The top of the support frame (3) is provided with a plurality of hanging rings, and the plurality of hanging rings are symmetrically distributed on the top of the support frame (3).

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