Hydraulic shear convenient to shear

By designing telescopic mechanisms, hydraulic mechanisms and connection mechanisms in hydraulic shears, the existing hydraulic shears have low shear shear efficiency and difficulty in replacing shear knives, achieving more efficient shear operation and replacement convenience.

CN222470896UActive Publication Date: 2025-02-14DONGGUAN XINHAO ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421008631.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-02-14
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

The existing hydraulic shears that are easy to shear are inefficient in shearing, and a fixed connection is used between the shear knife and the hydraulic shear body, making it difficult to replace and polish the worn shear knife.

Method used

A hydraulic shear including a telescopic mechanism, a hydraulic mechanism and a connecting mechanism is designed. The telescopic mechanism realizes the adjustment and fixation of the shear knife through the combination of sleeve, movable rod, slot, threaded pipe and engaging rod; the hydraulic mechanism combines the hydraulic cylinder, telescopic rod, connecting seat, movable block and slide groove. Improve the drive efficiency of the shear knife; the connecting mechanism facilitates the replacement and polishing of the shear knife through the combination of fixing plate, limiting groove, spring, snap buckle, connecting plate and positioning groove.

Benefits of technology

It improves the shear efficiency and convenience of hydraulic shears, facilitates replacement and polishing of worn shear blades, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a hydraulic shear facilitating shearing. The hydraulic shear comprises a fixing block, a triangular plate is fixedly installed on one side of the fixing block, a telescopic mechanism is fixedly connected to one side of the triangular plate, a handle is installed at one end of the telescopic mechanism, an auxiliary rod is welded to one side of the handle, and a hydraulic mechanism is arranged on the other side of the fixing block. According to the hydraulic shear convenient to shear, through the arrangement of the hydraulic mechanism, a hydraulic machine can push a connecting base and a movable block to slide in a sliding groove through a telescopic rod, so that clamping plates are conveniently driven to move oppositely through a positioning shaft, and shear knives are conveniently driven from the two sides to shear an object; according to the hydraulic shear convenient to shear, the shearing efficiency and effect of the hydraulic shear convenient to shear are improved, and through the arrangement of the connecting mechanism, a spring can drive a buckle to penetrate through a fixing plate and then be clamped with a positioning groove, so that the connecting plate and the shear knife are conveniently fixed, and the shear knife is conveniently replaced and polished.
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Description

Technical Field

[0001] The utility model relates to the technical field related to mechanical equipment, in particular to a hydraulic shear that is convenient for shearing. Background Art

[0002] There are many kinds of mechanical equipment. When mechanical equipment is running, some of its components or even itself can perform different forms of mechanical movement. Mechanical equipment is composed of drive device, speed change device, transmission device, working device, braking device, protective device, lubrication system, cooling system and other parts. Hydraulic shears belong to a type of mechanical equipment. Therefore, there is a special need for a hydraulic shear that is easy to shear.

[0003] However, the existing hydraulic shears that are easy to shear, when shearing an object, the hydraulic shears generally use a hydraulic press to push the shearing knife on one side to cooperate with the shearing knife on the other side to shear the object. This shearing method has the phenomenon of low shearing efficiency. At the same time, the existing shearing knife and the hydraulic shear body are fixedly connected, which is not convenient for replacing and grinding the worn shearing knife. Summary of the invention

[0004] The purpose of the utility model is to provide a hydraulic shear for easy shearing, so as to solve the problem of the existing hydraulic shear for easy shearing proposed in the above background technology. When shearing an object, the hydraulic shear generally uses a hydraulic press to push the shearing knife on one side to cooperate with the shearing knife on the other side to shear the object. This shearing method has the phenomenon of low shearing efficiency. At the same time, the existing shearing knife and the hydraulic shear body are fixedly connected, which is not convenient for replacing and grinding the worn shearing knife.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic shear that is easy to shear, comprising a fixed block, a triangular plate is fixedly installed on one side of the fixed block, a telescopic mechanism is fixedly connected to one side of the triangular plate, a handle is installed at one end of the telescopic mechanism, an auxiliary rod is welded to one side of the handle, a hydraulic mechanism is arranged on the other side of the fixed block, a splint is connected to one end of the hydraulic mechanism, a positioning shaft is installed at the junction of the splint, a protective plate is sleeved on the outer side of the positioning shaft, a connecting mechanism is arranged on one side of the splint, and a shear knife is installed at one end of the connecting mechanism.

[0006] Preferably, the telescopic mechanism includes a sleeve, a movable rod, a slot, a threaded tube and a locking rod. One side of the fixed block is fixedly connected to the sleeve, the interior of the sleeve is slidably connected to the movable rod, the interior of the movable rod is provided with a slot, threaded tubes are fixedly installed on both sides of the sleeve, the interior of the threaded tube is fitted with a locking rod, and one end of the locking rod is locked and connected to the slot.

[0007] Preferably, the movable rod is provided with slots at equal intervals inside, and the threaded tube is threadedly connected to the locking rod.

[0008] Preferably, the hydraulic mechanism includes a hydraulic cylinder, a telescopic rod, a connecting seat, a movable block and a slide groove, the hydraulic cylinder is fixedly installed on one side of the fixed block, the telescopic rod is installed on one end of the hydraulic cylinder, a connecting seat is welded to one end of the telescopic rod, movable blocks are fixedly installed on the inner sides of both ends of the connecting seat, a slide groove is opened inside the splint, and the slide groove is slidably connected to the movable block.

[0009] Preferably, the clamping plates are rotatably connected via a positioning shaft, and the clamping plates are symmetrically arranged about a center line of the positioning shaft.

[0010] Preferably, the connecting mechanism includes a fixing plate, a limiting groove, a spring, a buckle, a connecting plate and a positioning groove, a fixing plate is welded on the outer surface of the splint, a limiting groove is provided inside the fixing plate, a spring is fixedly installed on the outer side of the fixing plate, one end of the spring is fixedly connected to the buckle, a connecting plate is fitted inside the limiting groove, and a positioning groove is provided inside the connecting plate.

[0011] Preferably, the size of the limiting groove matches the size of the connecting plate, and the buckle passes through the fixing plate and is engaged with the positioning groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the hydraulic shears that are easy to shear, through the setting of the hydraulic mechanism, wherein the hydraulic press can push the connecting seat and the movable block to slide inside the slide groove through the telescopic rod, thereby facilitating the clamping plate to move toward each other through the positioning shaft, which is beneficial to driving the shearing knife from both sides to shear the object, thereby improving the shearing efficiency and effect of the hydraulic shears that are easy to shear, and through the setting of the connecting mechanism, the spring can drive the buckle to penetrate the fixed plate and then engage with the positioning groove, thereby facilitating the fixing of the connecting plate and the shearing knife, which is beneficial to the replacement and grinding of the shearing knife, and at the same time, through the setting of the telescopic mechanism, the engaging rod can rotate and move inside the threaded tube, thereby facilitating driving one end of the engaging rod to engage with the slots at different positions, which is beneficial to the adjustment and fixing of the movable rod, thereby improving the practicability of the hydraulic shears that are easy to shear. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the side view of the appearance structure of the utility model;

[0014] Figure 2 This is a schematic cross-sectional view of the telescopic mechanism of the utility model;

[0015] Figure 3 This is a schematic diagram of the hydraulic mechanism structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the exploded structure of the connecting mechanism of the utility model.

[0017] In the figure: 1. fixed block; 2. triangle plate; 3. telescopic mechanism; 301. sleeve; 302. movable rod; 303. slot; 304. threaded tube; 305. locking rod; 4. handle; 5. auxiliary rod; 6. hydraulic mechanism; 601. hydraulic cylinder; 602. telescopic rod; 603. connecting seat; 604. movable block; 605. slide; 7. splint; 8. positioning shaft; 9. protective plate; 10. connecting mechanism; 1001. fixed plate; 1002. limiting slot; 1003. spring; 1004. buckle; 1005. connecting plate; 1006. positioning slot; 11. shear knife. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides a technical solution: a hydraulic shear that is easy to shear, including a fixed block 1, a triangular plate 2 is fixedly installed on one side of the fixed block 1, a telescopic mechanism 3 is fixedly connected to one side of the triangular plate 2, a handle 4 is installed at one end of the telescopic mechanism 3, an auxiliary rod 5 is welded to one side of the handle 4, a hydraulic mechanism 6 is arranged on the other side of the fixed block 1, a clamping plate 7 is connected to one end of the hydraulic mechanism 6, a positioning shaft 8 is installed at the intersection of the clamping plate 7, a protective plate 9 is sleeved on the outer side of the positioning shaft 8, a connecting mechanism 10 is arranged on one side of the clamping plate 7, and a shearing knife 11 is installed at one end of the connecting mechanism 10.

[0020] Furthermore, the telescopic mechanism 3 includes a sleeve 301, a movable rod 302, a slot 303, a threaded tube 304 and a locking rod 305. One side of the fixed block 1 is fixedly connected with the sleeve 301, the interior of the sleeve 301 is slidably connected with the movable rod 302, the interior of the movable rod 302 is provided with a slot 303, the two sides of the sleeve 301 are fixedly installed with threaded tubes 304, the interior of the threaded tube 304 is fitted with the locking rod 305, one end of the locking rod 305 is locked and connected with the slot 303, through the arrangement of the sleeve 301, the movable rod 302, the slot 303, the threaded tube 304 and the locking rod 305, the movable rod 302 can slide inside the sleeve 301, so as to facilitate the adjustment of the length of the hydraulic shears, and rotating the locking rod 305 can make it rotate and move inside the threaded tube 304, so as to facilitate the locking of the locking rod 305 with the slot 303, which is beneficial to fix the length adjustment work of the hydraulic shears.

[0021] Furthermore, slots 303 are provided at equal intervals inside the movable rod 302, and the threaded tube 304 is threadedly connected to the engaging rod 305. Through the arrangement of the threaded tube 304 and the engaging rod 305, the engaging rod 305 can be rotated and moved through the threaded tube 304, thereby facilitating the fixing of the movable rod 302 through the slots 303, thereby improving the convenience of the length adjustment of the hydraulic shears.

[0022] Furthermore, the hydraulic mechanism 6 includes a hydraulic cylinder 601, a telescopic rod 602, a connecting seat 603, a movable block 604 and a slide groove 605. The hydraulic cylinder 601 is fixedly installed on one side of the fixed block 1, and the telescopic rod 602 is installed at one end of the hydraulic cylinder 601. The connecting seat 603 is welded at one end of the telescopic rod 602. The movable blocks 604 are fixedly installed on the inner sides of both ends of the connecting seat 603. The interior of the splint 7 is provided with a slide groove 605, and the slide groove 605 is slidably connected with the movable block 604. Through the arrangement of the hydraulic cylinder 601, the telescopic rod 602, the connecting seat 603, the movable block 604 and the slide groove 605, the hydraulic cylinder 601 can drive the telescopic rod 602 and the connecting seat 603 to extend and retract, so that the connecting seat 603 drives the movable block 604 to slide inside the slide groove 605, which is beneficial to drive the splints 7 on both sides and the shearing knife 11 to rotate toward each other around the positioning shaft 8, thereby improving the shearing effect of the shearing knife 11 on the object.

[0023] Furthermore, the clamping plates 7 are rotatably connected via the positioning shaft 8, and the clamping plates 7 are symmetrically arranged about the center line of the positioning shaft 8. Through the arrangement of the positioning shaft 8, the positioning shaft 8 can ensure the smoothness of the rotation of the clamping plates 7 on both sides, which is beneficial to improving the shearing effect of the shearing knife 11 on the object.

[0024] Furthermore, the connecting mechanism 10 includes a fixing plate 1001, a limiting groove 1002, a spring 1003, a buckle 1004, a connecting plate 1005 and a positioning groove 1006. The fixing plate 1001 is welded to the outer surface of the clamping plate 7, and the limiting groove 1002 is provided inside the fixing plate 1001. The spring 1003 is fixedly installed on the outer side of the fixing plate 1001, and one end of the spring 1003 is fixedly connected to the buckle 1004. The connecting plate 1005 is attached to the inner side of the limiting groove 1002. The connecting plate 1005 A positioning groove 1006 is provided inside, and through the arrangement of the fixing plate 1001, the limiting groove 1002, the spring 1003, the buckle 1004, the connecting plate 1005 and the positioning groove 1006, the spring 1003 can drive the buckle 1004 to penetrate the fixing plate 1001 and then engage with the positioning groove 1006, thereby facilitating the fixed connection between the connecting plate 1005 and the fixing plate 1001, being beneficial to the fixed installation of the shearing knife 11, and improving the convenience of replacing the shearing knife 11.

[0025] Furthermore, the size of the limiting groove 1002 is consistent with the size of the connecting plate 1005, and the buckle 1004 passes through the fixing plate 1001 and is engaged with the positioning groove 1006. Through the setting of the limiting groove 1002, the limiting groove 1002 can limit the installed connecting plate 1005 to avoid shaking of the connecting plate 1005, thereby improving the stability of the installation of the connecting plate 1005 and the shear knife 11.

[0026] Working principle: First, turn on the external power supply. When it is necessary to shear an object, the hydraulic cylinder 601 is used to drive the connecting seat 603 to move through the telescopic rod 602. Then the connecting seat 603 drives the movable block 604 to slide inside the slide groove 605, so as to facilitate driving the clamping plates 7 on both sides to rotate around the positioning shaft 8. Then the clamping plates 7 will drive the shearing knife 11 to shear the object. When the worn shearing knife 11 needs to be replaced, the buckle 1004 is pulled to release the engagement with the positioning groove 1006, and then the shearing knife 11 can be pulled out. When installing, insert the connecting plate 1005 into Inside the limiting groove 1002, the spring 1003 will then drive the buckle 1004 to engage with the positioning groove 1006, thereby completing the replacement of the connecting plate 1005 and the shear knife 11. When the working length of the hydraulic shears needs to be adjusted, the movable rod 302 is driven to slide inside the sleeve 301 by pulling the handle 4. When the length is appropriate, the engaging rod 305 is rotated to make it rotate and move inside the threaded tube 304 until the engaging rod 305 is engaged with the engaging groove 303, thereby completing the adjustment of the working length of the hydraulic shears. The model of the hydraulic cylinder 601 is: HSG, thus completing the use process of a hydraulic shear that is easy to shear.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic shear for easy shearing, comprising a fixed block (1), characterized in that: A triangular plate (2) is fixedly mounted on one side of the fixed block (1), a telescopic mechanism (3) is fixedly connected to one side of the triangular plate (2), a handle (4) is mounted on one end of the telescopic mechanism (3), an auxiliary rod (5) is welded to one side of the handle (4), a hydraulic mechanism (6) is arranged on the other side of the fixed block (1), one end of the hydraulic mechanism (6) is connected to a clamping plate (7), a positioning shaft (8) is mounted at the intersection of the clamping plate (7), a protective plate (9) is sleeved on the outer side of the positioning shaft (8), a connecting mechanism (10) is arranged on one side of the clamping plate (7), and a shearing knife (11) is mounted on one end of the connecting mechanism (10).

2. A hydraulic shear for easy shearing according to claim 1, characterized in that: The telescopic mechanism (3) comprises a sleeve (301), a movable rod (302), a slot (303), a threaded tube (304) and a locking rod (305); one side of the fixed block (1) is fixedly connected to the sleeve (301); the interior of the sleeve (301) is slidably connected to the movable rod (302); the interior of the movable rod (302) is provided with a slot (303); the two sides of the sleeve (301) are fixedly mounted with threaded tubes (304); the interior of the threaded tube (304) is fitted with a locking rod (305); one end of the locking rod (305) is locked and connected to the slot (303).

3. A hydraulic shear for easy shearing according to claim 2, characterized in that: The movable rod (302) has slots (303) formed at equal intervals inside, and the threaded tube (304) is threadedly connected to the locking rod (305).

4. A hydraulic shear for easy shearing according to claim 1, characterized in that: The hydraulic mechanism (6) comprises a hydraulic cylinder (601), a telescopic rod (602), a connecting seat (603), a movable block (604) and a slide groove (605); the hydraulic cylinder (601) is fixedly mounted on one side of the fixed block (1); the telescopic rod (602) is mounted on one end of the hydraulic cylinder (601); the connecting seat (603) is welded to one end of the telescopic rod (602); the movable blocks (604) are fixedly mounted on the inner sides of both ends of the connecting seat (603); the slide groove (605) is provided inside the clamping plate (7); the slide groove (605) is slidably connected to the movable block (604).

5. A hydraulic shear for easy shearing according to claim 1, characterized in that: The clamping plates (7) are rotatably connected to each other via a positioning shaft (8), and the clamping plates (7) are symmetrically arranged about the center line of the positioning shaft (8).

6. A hydraulic shear for easy shearing according to claim 1, characterized in that: The connecting mechanism (10) comprises a fixing plate (1001), a limiting groove (1002), a spring (1003), a buckle (1004), a connecting plate (1005) and a positioning groove (1006); the fixing plate (1001) is welded to the outer surface of the clamping plate (7); the limiting groove (1002) is provided inside the fixing plate (1001); a spring (1003) is fixedly mounted on the outer side of the fixing plate (1001); one end of the spring (1003) is fixedly connected to the buckle (1004); the connecting plate (1005) is attached to the inside of the limiting groove (1002); and the positioning groove (1006) is provided inside the connecting plate (1005).

7. A hydraulic shear for easy shearing according to claim 6, characterized in that: The size of the limiting groove (1002) matches the size of the connecting plate (1005), and the buckle (1004) passes through the fixing plate (1001) and is engaged with the positioning groove (1006).