Hydraulic mechanical safety device

By designing a hydraulic mechanical safety device, a hydraulic cylinder is used to drive a rotating connecting frame and a telescopic rod to shield debris, thus solving the problem of debris splashing during hydraulic operations and improving safety and work progress.

CN223677531UActive Publication Date: 2025-12-16NANJING YIMIN CONSTR MASCH CO LTD
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Patent Information

Application Number
CN202520347392.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2025-12-16
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

The impact force generated by hydraulic machinery during operation can damage items and cause debris to splash out, posing a personal safety hazard to workers and affecting work progress.

Method used

A hydraulic mechanical safety device comprising a main body unit, a limiting unit, and a protective unit was designed. The device uses a hydraulic cylinder to drive a pressing rod to rotate a connecting frame, which, in conjunction with a telescopic rod, moves a protective plate to block debris. During maintenance, the device uses a motor and spring to lock the push plate in place to prevent accidental falling.

Benefits of technology

When hydraulic pressure is applied to an object, a safety device for hydraulic machinery is designed to address the safety issues in the hydraulic cylinder, thereby improving worker safety and work progress.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hydraulic machinery safety device, which comprises a main body unit, a hydraulic machinery safety device and a hydraulic machinery safety device, the main body unit comprises a machining table, a support frame is fixedly arranged on the top surface of the machining table, and the main body unit further comprises a working assembly; the limiting unit comprises fixing plates, and the top faces of the two fixing plates are fixedly connected with the bottom faces of the left end and the right end of the supporting frame correspondingly; and the protection unit comprises an extrusion rod, two device plates are fixedly arranged on the back faces of the left end and the right end of the machining table correspondingly, rotating rods are rotatably connected to the inner walls of the two device plates, the surfaces of the rotating rods are fixedly sleeved with connecting frames, and connecting plates are hinged to the inner walls of the connecting frames. When the hydraulic cylinder extrudes an article, the extrusion rod moves downwards to extrude the connecting plate, so that the protective plate moves upwards synchronously, and therefore, when hydraulic pressure is applied to the article, chippings generated by crushing of the article can be effectively shielded by the protective plate, and the personal safety of workers is guaranteed during working; and the working safety is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic machinery technical field especially relates to a hydraulic machinery safety device. BACKGROUND

[0002] Hydraulic press is a kind of machinery using liquid static pressure to process metal, plastic, rubber, wood, powder and other products. It is often used in pressing process and pressing forming process, such as: forging, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting and the like.

[0003] Chinese patent discloses a kind of hydraulic machinery safety device, and the publication number is CN107838321A, including base, the base top middle fixedly connected with workbench, support column is respectively welded on the base on the left and right sides of workbench, compression piece is installed in support column middle, box is installed in support column top, it is by installing top column, even if in maintenance, resulting in compression piece slide, top column will support compression piece, will make compression piece to cause injury to the worker below.

[0004] The hydraulic machinery safety device when carrying out hydraulic work, since when hydraulic to goods will produce a large amount of impact force, goods cause damage at the same time, its surface will splash a large amount of debris, staff in the side auxiliary work, it is easy to be hit by debris and cause personal safety hazard, overall if not protection, it is easy to appear work failure, affect overall work progress. SUMMARY

[0005] The purpose of this section is to outline some aspects of the embodiments of the present application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the invention in order to avoid obscuring the purpose of this section, the abstract of the specification and the title of the invention, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0006] In view of the above problems existing in the prior art, the present utility model is proposed.

[0007] Therefore, the utility model aims at providing a kind of hydraulic machinery safety device, it is applicable to solve the problem that when carrying out hydraulic work, since when hydraulic to goods will produce a large amount of impact force, goods cause damage at the same time, its surface will splash a large amount of debris, staff in the side auxiliary work, it is easy to be hit by debris and cause personal safety hazard, overall if not protection, it is easy to appear work failure, affect overall work progress.

[0008] To solve the above technical problems, the utility model provides the following technical scheme: a kind of hydraulic machinery safety device, comprising:

[0009] The main body unit comprises a processing table, a supporting frame is fixedly arranged on the top surface of the processing table, and the main body unit further comprises a working assembly;

[0010] The limiting unit comprises two fixed plates, and the top surfaces of the two fixed plates are respectively and fixedly connected with the bottom surfaces of the left and right ends of the supporting frame;

[0011] The protection unit comprises an extrusion rod, two device plates are fixedly arranged on the back surfaces of the left and right ends of the processing table, rotating rods are rotatably connected with the inner walls of the two device plates, connecting frames are fixedly arranged on the surfaces of the rotating rods, connecting plates are hingedly arranged on the inner walls of the connecting frames, the top surfaces of the connecting plates are extruded with the bottom surface of the extrusion rod, fixed rods are fixedly arranged on the bottom surfaces of the connecting frames, two telescopic rods are fixedly arranged on the inner walls of the left and right ends of the fixed rods, and protection plates are fixedly arranged on the front surfaces of the output rods of the two telescopic rods and are in sliding contact with the side surfaces of the processing table.

[0012] As a preferred scheme of the hydraulic mechanical safety device, the limiting unit further comprises two motors fixedly connected with the back surfaces of the two fixed plates, the output rods of the two motors extend through the back surfaces of the fixed plates to the interiors of the fixed plates and are fixedly connected with rotating rods, the front surfaces of the rotating rods are fixedly provided with rotating discs, the front surfaces of the rotating discs are fixedly provided with springs, the front surfaces of the springs are fixedly provided with clamping rods, and the side surfaces of the clamping rods are in sliding connection with the inner walls of the rotating discs.

[0013] As a preferred scheme of the hydraulic mechanical safety device, the working assembly comprises a hydraulic cylinder, the side surface of the hydraulic cylinder is fixedly connected with the inner wall of the supporting frame, the bottom surface of the output rod of the hydraulic cylinder is fixedly provided with a push plate, and the back surface of the push plate is fixedly connected with the front surface of the extrusion rod.

[0014] As a preferred scheme of the hydraulic mechanical safety device, the side surfaces of the two clamping rods are respectively in extrusion contact with the bottom surfaces of the left and right ends of the push plate, and the spring is always in a contraction state.

[0015] As a preferred scheme of the hydraulic mechanical safety device, the bottom surface of the processing table is fixedly provided with supporting legs, the number of the supporting legs is four, and the supporting legs are evenly arranged on the bottom surfaces of the four sides of the processing table, and the inner walls of the bottom ends of the supporting legs are fixedly provided with anti-skid pads.

[0016] As a preferred scheme of the hydraulic mechanical safety device, the inner wall of the top end of the processing table is fixedly provided with a friction pad, and the side surface of the supporting frame is fixedly provided with a reinforcing plate.

[0017] The utility model discloses a beneficial effect: when the hydraulic cylinder is extruded to the article, extruding rod moves down extrusion connecting plate, and the rotation of connecting frame is driven through the rotation of the rod, and the telescopic nature of telescopic rod is cooperated, so that the protective plate is synchronously moved upwards, so that when the article is hydraulically pressed, the debris produced by crushing can be effectively shielded by the protective plate, so that the personal safety of the staff is guaranteed when working, and the safety of work is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment description, obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor. Wherein:

[0019] Figure 1 The utility model proposes a kind of overall structure schematic diagram of hydraulic mechanical safety device;

[0020] Figure 2 The utility model proposes a kind of limiting unit structure schematic diagram of hydraulic mechanical safety device;

[0021] Figure 3 The utility model proposes a kind of protective unit structure schematic diagram of hydraulic mechanical safety device.

[0022] BRIEF DESCRIPTION OF DRAWINGS: 100, main unit;101, processing table;102, support frame;103, working assembly;1031, hydraulic cylinder;1032, push plate;200, limiting unit;201, fixed plate;202, motor;203, rotating rod;204, turntable;205, clamping rod;206, spring;300, protective unit;301, extruding rod;302, device plate;303, rotation rod;304, connecting frame;305, connecting plate;306, fixed rod;307, telescopic rod;308, protective plate. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is described in detail in conjunction with the drawings of the specification.

[0024] In the following description, many specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar generalization without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0025] Secondly, the "one embodiment" or "embodiments" referred to herein are intended to encompass a particular feature, structure, or characteristic described herein. Embodiments appearing at different places in the specification are not necessarily all cumulative with each other, nor are they mutually exclusive with each other.

[0026] Thirdly, the utility model is described in detail in combination with the schematic diagram. In the detailed description of the embodiments of the utility model, the sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the protection scope of the utility model herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0027] Embodiments

[0028] Reference Figure 1 - Figure 3 For an embodiment of the utility model, a hydraulic mechanical safety device is provided, which comprises a main unit 100, a limiting unit 200 and a protection unit 300.

[0029] The main unit 100 comprises a machining table 101, the top surface of the machining table 101 is fixedly provided with a support frame 102, the main unit 100 further comprises a working assembly 103, the working assembly 103 comprises a hydraulic cylinder 1031, the side surface of the hydraulic cylinder 1031 is fixedly connected with the inner wall of the support frame 102, the bottom surface of the output rod of the hydraulic cylinder 1031 is fixedly provided with a push plate 1032, the back surface of the push plate 1032 is fixedly connected with the front surface of the extrusion rod 301, the bottom surface of the machining table 101 is fixedly provided with support legs, the number of the support legs is four and they are evenly arranged at the bottom surface around the machining table 101, the inner wall of the bottom end of the support leg is fixedly provided with an anti-skid pad, the inner wall of the top end of the machining table 101 is fixedly provided with a friction pad, and the side surface of the support frame 102 is fixedly provided with a reinforcing plate.

[0030] The limiting unit 200 comprises a fixed plate 201, the top surfaces of the two fixed plates 201 are respectively fixedly connected with the bottom surfaces of the left and right ends of the support frame 102, the limiting unit 200 further comprises two motors 202 fixedly connected with the back surfaces of the two fixed plates 201, the output rod of the motor 202 extends to the inside of the fixed plate 201 through the back surface of the fixed plate 201 and is fixedly connected with a rotating rod 203, the front surface of the rotating rod 203 is fixedly provided with a rotating disc 204, the front surface of the rotating disc 204 is fixedly provided with a spring 206, the front surface of the spring 206 is fixedly provided with a clamping rod 205, the side surface of the clamping rod 205 is slidably connected with the inner wall of the rotating disc 204, the side surfaces of the two clamping rods 205 are respectively in extrusion contact with the bottom surfaces of the left and right ends of the push plate 1032, and the spring 206 is always in a contracted state.

[0031] The protection unit 300 comprises an extrusion rod 301, two device plates 302 are fixedly arranged at the back of the left and right ends of the machining table 101 respectively, a rotating rod 303 is rotatably connected to the inner wall of the two device plates 302, a connecting frame 304 is fixedly sleeved on the surface of the rotating rod 303, a connecting plate 305 is hingedly arranged on the inner wall of the connecting frame 304, the top surface of the connecting plate 305 is in extrusion contact with the bottom surface of the extrusion rod 301, a fixed rod 306 is fixedly arranged on the bottom surface of the connecting frame 304, two telescopic rods 307 are fixedly arranged on the inner walls of the left and right ends of the fixed rod 306 respectively, and a protection plate 308 is fixedly arranged on the front surface of the output rod of the two telescopic rods 307, and the inner wall of the protection plate 308 is in sliding contact with the side surface of the machining table 101.

[0032] In use, first, the article to be subjected to hydraulic processing is placed above the machining table 101, the hydraulic cylinder 1031 is started, the extrusion rod 301 moves downward to extrude the connecting plate 305 when the article is extruded, the connecting frame 304 is driven to rotate through the rotating rod 303, the telescopic property of the telescopic rod 307 is used, the protection plate 308 is synchronously moved upward, and therefore the debris generated by the crushing of the article during hydraulic processing can be effectively shielded by the protection plate 308.

[0033] When the hydraulic cylinder 1031 is subjected to maintenance work, the two clamping rods 205 are grabbed to the front end, the motor 202 is started, the rotating disc 204 is rotated, the clamping rod 205 is quickly clamped to the push plate 1032 in cooperation with the recovery of the spring 206, and during the maintenance work, the worker does not need to worry about the damage caused by the natural falling of the push plate 1032.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A hydraulic machine safety device, characterized by, The utility model relates to a processing table (101) is provided with two device plates (302) on the left and right end back surface respectively, and two rotatory rods (303) are rotatory connected in the inner wall of two device plates (302), and the rotatory rod (303) surface fixedly covers and sets up the connecting frame (304), and the connecting frame (304) inner wall is hinged to set up the connecting plate (305), and the connecting plate (305) top surface and extrusion contact with the extrusion rod (301) bottom surface, and the connecting frame (304) bottom surface is fixedly set up with the fixed rod (306), and the fixed rod (306) left and right end inner wall is fixedly set up with two telescopic rods (307) respectively, and two telescopic rods (307) output rod front surface is fixedly set up with the protection board (308), and the protection board (308) inner wall and processing table (101) side surface sliding contact. The utility model relates to a processing table (101) is provided with two device plates (302) on the left and right end back surface respectively, and two rotatory rods (303) are rotatory connected in the inner wall of two device plates (302), and the rotatory rod (303) surface fixedly covers and sets up the connecting frame (304), and the connecting frame (304) inner wall is hinged to set up the connecting plate (305), and the connecting plate (305) top surface and extrusion contact with the extrusion rod (301) bottom surface, and the connecting frame (304) bottom surface is fixedly set up with the fixed rod (306), and the fixed rod (306) left and right end inner wall is fixedly set up with two telescopic rods (307) respectively, and two telescopic rods (307) output rod front surface is fixedly set up with the protection board (308), and the protection board (308) inner wall and processing table (101) side surface sliding contact. The utility model relates to a processing table (101) is provided with two device plates (302) on the left and right end back surface respectively, and two rotatory rods (303) are rotatory connected in the inner wall of two device plates (302), and the rotatory rod (303) surface fixedly covers and sets up the connecting frame (304), and the connecting frame (304) inner wall is hinged to set up the connecting plate (305), and the connecting plate (305) top surface and extrusion contact with the extrusion rod (301) bottom surface, and the connecting frame (304) bottom surface is fixedly set up with the fixed rod (306), and the fixed rod (306) left and right end inner wall is fixedly set up with two telescopic rods (307) respectively, and two telescopic rods (307) output rod front surface is fixedly set up with the protection board (308), and the protection board (308) inner wall and processing table (101) side surface sliding contact. The utility model relates to a processing table (101) is provided with two device plates (302) on the left and right end back surface respectively, and two rotatory rods (303) are rotatory connected in the inner wall of two device plates (302), and the rotatory rod (303) surface fixedly covers and sets up the connecting frame (304), and the connecting frame (304) inner wall is hinged to set up the connecting plate (305), and the connecting plate (305) top surface and extrusion contact with the extrusion rod (301) bottom surface, and the connecting frame (304) bottom surface is fixedly set up with the fixed rod (306), and the fixed rod (306) left and right end inner wall is fixedly set up with two telescopic rods (307) respectively, and two telescopic rods (307) output rod front surface is fixedly set up with the protection board (308), and the protection board (308) inner wall and processing table (101) side surface sliding contact.

2. A hydraulic machine safety device according to claim 1, characterized in that: ​ 3. A hydraulic machine safety device according to claim 2, wherein: ​ 4. A hydraulic machine safety device according to claim 3, wherein: ​ 5. A hydraulic machine safety device according to claim 1, wherein: ​ 6. A hydraulic machine safety apparatus according to claim 1, wherein: ​

Citation Information

Patent Citations

  • Hydraulic mechanical safety device

    CN107838321A