Hydraulic cylinder ejector rod protection structure for complex scene

Abstract

The utility model relates to the technical field of hydraulic ejector rod equipment, in particular to a complex scene hydraulic cylinder ejector rod protection structure which comprises a hydraulic cylinder body and further comprises four connecting sleeves, an upper cover plate, a through hole, a top sleeve, a connecting hole, a connecting screw, a connecting sliding groove, a sliding block, a middle sleeve and a bottom sleeve. The connecting sleeves are fixedly connected to the peripheral surface, close to the upper end, of the hydraulic cylinder body in an annular array mode, the appearance of the upper cover plate is rectangular, a through hole is formed in the middle of the upper cover plate in a penetrating mode, the through hole is connected to the upper end of the hydraulic cylinder body in a matched mode, and the upper end of the top sleeve is connected with the upper cover plate in a matched mode. The connecting holes are formed in the outer side surfaces, close to the upper ends, of the top sleeves correspondingly. The protective device has the advantages of being easy and convenient to install, good in protective effect, stable in use process and long in service life.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of hydraulic jacking rod equipment, and in particular to a complex-scene hydraulic cylinder jacking rod protection structure. BACKGROUND

[0002] The hydraulic jacking rod is an indispensable power device in the moving and lifting process of large equipment, and can stably lift heavy objects and equipment; in the field of steelmaking, the ladle needs to be tilted and lifted after smelting, and due to the high temperature of the smelting workshop environment and the spilling of molten metal liquid, the splashing molten metal liquid is generated, which sometimes splashes on the extension position and surface of the hydraulic jacking rod, and then adheres after cooling, which causes wear of the moving part during the extension and retraction of the hydraulic cylinder, and thus causes damage to the hydraulic cylinder, so it is necessary to protect the large hydraulic cylinder used in the complex environment of the smelting workshop, especially the ladle, the existing protection means is to wrap fire-resistant cloth around the hydraulic cylinder and install a hose for protection, but this protection form is relatively simple, has a short service life and needs to be replaced frequently, which is not suitable for the smelting workshop which produces continuously, so the existing hydraulic cylinder protection structure needs to be improved to solve these problems. SUMMARY

[0003] In view of the deficiencies in the prior art, the application aims to provide a complex-scene hydraulic cylinder jacking rod protection structure which is simple to install, has good protection effect, is stable during use and has a long service life.

[0004] The above application purpose of the application is realized by the following technical scheme:

[0005] The utility model provides a complex scene hydraulic cylinder top rod protection structure, including hydraulic cylinder body, still include: connecting sleeve, upper cover, through -hole, top sleeve, connecting hole, connecting screw, connecting sliding groove, sliding block, middle sleeve and bottom sleeve, the connecting sleeve is provided with four, the connecting sleeve annular array fixedly connected on the four -quarter surface of hydraulic cylinder body near upper end, the upper cover appearance is rectangular, the upper cover's middle part is through and is equipped with through -hole, the through -hole cooperation is connected on the upper end of hydraulic cylinder body, the top sleeve's upper end is connected with the upper cover, the connecting hole is equipped on the outside surface of top sleeve near upper end respectively, the connecting screw is screwed in the connecting hole respectively, the connecting screw is screwed respectively with the connecting sleeve, the connecting sliding groove is vertically equipped on the inner wall of every face of top sleeve, the middle sleeve is movably sleeved in the inside of top sleeve, the sliding block is fixedly connected on the outside surface of top sleeve near upper end respectively, the sliding block on the middle sleeve is slidably connected with the connecting sliding groove on the top sleeve respectively, the bottom sleeve is slidably sleeved in the inside of middle sleeve, the connecting sliding groove is equipped on the inner wall of middle sleeve respectively, the sliding block is fixedly connected on the outside surface of bottom sleeve end respectively, the sliding block on the bottom sleeve is slidably connected with the connecting sliding groove on the inner wall of middle sleeve, the sum of the length of top sleeve, middle sleeve and bottom sleeve is greater than the maximum length of hydraulic cylinder body extension.

[0006] Optionally, it also includes a scraping tooth, which is respectively arranged equidistantly at the lower end of the top sleeve and the middle sleeve.

[0007] Optionally, it also includes a mounting groove and a protection plate, the mounting groove is respectively arranged on the surface of the top sleeve corresponding to the edge position of the connecting hole, and the protection plate is respectively connected in each mounting groove.

[0008] Optionally, it also includes a guide sleeve, which is fixedly connected to the inner wall of the top sleeve corresponding to the connecting hole, and the connecting screw is screwed into the inside of the guide sleeve.

[0009] Optionally, it also includes a connecting lug, which is connected to the top of the hydraulic cylinder body.

[0010] Optionally, it also includes a mounting seat, which is annularly arrayed and fixedly connected to the bottom of the hydraulic cylinder body.

[0011] Optionally, it also includes a connecting seat, which is symmetrically fixedly connected to the inner wall of the bottom corner position of the bottom sleeve, and the connecting seat is respectively connected with the upper end of the corresponding mounting seat.

[0012] Optionally, it also includes a connecting table, which is arranged at the edge position of the upper end of the hydraulic cylinder body, and the connecting table is connected with the through -hole.

[0013] The complex scene hydraulic cylinder top rod protection structure can be quickly installed at the position of the existing hydraulic cylinder through the combined structure, the telescopic structure can follow the extension or shortening of the existing hydraulic cylinder, and the normal use of the existing hydraulic cylinder is not affected.

[0014] The complex scene hydraulic cylinder top rod protection structure can block the splashing metal liquid in all directions during use, avoid the splashing of the metal liquid to the hydraulic cylinder body, realize the protection function, block the direct impact of smoke and the like, help to improve the protection function, and ensure the normal use of the hydraulic cylinder.

[0015] The complex scene hydraulic cylinder top rod protection structure is simple to install, has good universality, has good application prospect, has low manufacturing cost, has long service life, meets the actual needs of enterprises, and the scraping teeth can also directly scrape off the adhered particles, which helps to maintain the stability during use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a partial cut structure schematic diagram provided by the embodiment of the application.

[0017] Figure 2 is a partial assembly cut structure schematic diagram provided by the embodiment of the application.

[0018] Reference signs: 1, hydraulic cylinder body; 2, connecting sleeve; 3, upper cover plate; 4, through hole; 5, top sleeve; 6, connecting hole; 7, connecting screw; 8, connecting sliding groove; 9, sliding block; 10, middle sleeve; 11, bottom sleeve; 12, scraping tooth; 13, mounting groove; 14, protection plate; 15, guide sleeve; 16, connecting lug; 17, mounting seat; 18, connecting seat; 19, connecting table. DETAILED DESCRIPTION

[0019] The application will be further described in detail below with reference to the drawings.

[0020] In order to more clearly understand the technical solutions shown in the embodiments of the application, first, the working principle of the existing complex scene hydraulic cylinder top rod protection is introduced.

[0021] In order to improve the service life of the existing complex scene hydraulic cylinder, the metal liquid not dripping on the surface is covered with some sleeves to close it, and some are connected with bellows on the hydraulic top rod, but the protection ability of this structure is weak, and it cannot block the splashed metal liquid well, and many small metal particles are easily adhered on its surface, which leads to shorten the service life. In some smelting workshops and other complex environments, the production rhythm is fast, and stable use is more important, and more time cannot be given for disassembly and maintenance, so the protection structure of the existing complex scene hydraulic top rod needs to be redesigned to solve these problems.

[0022] Please refer to Figure 1 and Figure 2 A complex scene hydraulic cylinder rod protection structure is disclosed in the embodiment of the application, which comprises a hydraulic cylinder body 1, further comprising: a connecting sleeve 2, an upper cover plate 3, a through hole 4, a top sleeve 5, a connecting hole 6, a connecting screw 7, a connecting sliding groove 8, a sliding block 9, a middle sleeve 10 and a bottom sleeve 11, the connecting sleeve 2 is provided with four, the connecting sleeve 2 is fixedly connected in an annular array on the surface of the hydraulic cylinder body 1 near the upper end, the upper cover plate 3 is rectangular in appearance, the through hole 4 is provided in the middle of the upper cover plate 3, the through hole 4 is connected on the upper end of the hydraulic cylinder body 1, the upper end of the top sleeve 5 is connected with the upper cover plate 3, the connecting hole 6 is respectively provided on the outer surface of the top sleeve 5 near the upper end, the connecting screw 7 is respectively screwed in the connecting hole 6, the inward end of each connecting screw 7 is respectively connected with the connecting sleeve 2, the connecting sliding groove 8 is vertically provided on the inner wall of each surface of the top sleeve 5, the middle sleeve 10 is movably connected in the inside of the top sleeve 5, the sliding block 9 is respectively fixedly connected on the outer surface of the top sleeve 5 near the upper end, the sliding block 9 on the middle sleeve 10 is respectively connected with the connecting sliding groove 8 on the top sleeve 5, the bottom sleeve 11 is movably connected in the inside of the middle sleeve 10, the connecting sliding groove 8 is respectively provided on the inner wall of the middle sleeve 10, the sliding block 9 is respectively fixedly connected on the outer surface of the bottom sleeve 11, the sliding block 9 on the bottom sleeve 11 is respectively connected with the connecting sliding groove 8 on the inner wall of the middle sleeve 10, the sum of the lengths of the top sleeve 5, the middle sleeve 10 and the bottom sleeve 11 is greater than the maximum length of the hydraulic cylinder body 1.

[0023] Specifically, the connecting sleeves 2 are arranged near the top end of the hydraulic cylinder body 1 and are arranged in a ring shape in four parts, facilitating the fitting of the top sleeve 5. The upper cover plate 3 is directly connected to the upper end of the hydraulic cylinder body 1 through the through hole 4. During installation, the connecting screw 7 is installed at the connecting hole 6, and then the ends thereof are connected to the connecting sleeves 2, thereby achieving the installation of the top sleeve 5. The upper cover plate 3 and the top sleeve 5 are connected in a matching or fastening manner, so that they are stably connected. In actual use, the top sleeve 5 with a rectangular cross section is preferred. The middle sleeve 10 and the bottom sleeve 11 are sequentially and movably connected below the top sleeve 5. The connecting slide groove 8 and the sliding block 9 are arranged between the upper and lower sleeves to ensure stable movement during extension and retraction. In the present structure, the cross sections of the top sleeve 5, the middle sleeve 10, and the bottom sleeve 11 can also be circular to improve different protection effects. An anti-adhesion coating structure can be applied to the surfaces of the top sleeve 5, the middle sleeve 10, and the bottom sleeve 11 to reduce the adhesion probability of molten metal and improve the cleanliness of the surfaces, thereby prolonging the service life.

[0024] Further, the scraper teeth 12 are arranged at equal intervals at the lower ends of the top sleeve 5 and the middle sleeve 10.

[0025] Specifically, the scraper teeth 12 can scrape off particles that may exist on the surfaces of the middle sleeve 10 and the bottom sleeve 11 when the hydraulic cylinder body 1 is retracted, thereby maintaining the flatness thereof.

[0026] Referring to Figure 1 As another specific embodiment provided by the application, the installation groove 13 is arranged on the surface of the top sleeve 5 corresponding to the edge of the connecting hole 6, and the protective plate 14 is connected to the installation groove 13.

[0027] Specifically, the installation groove 13 is used to connect the protective plate 14. After the protective plate 14 is installed, the end of the connecting hole 6 is covered, and the surface thereof is kept flat with the outer surface of the top sleeve 5, thereby avoiding splashes from falling into the connecting hole 6 and facilitating subsequent installation and disassembly.

[0028] Referring to Figure 1 As another specific embodiment provided by the application, the guide sleeve 15 is fixedly connected to the inner wall of the top sleeve 5 corresponding to the connecting hole 6, and the connecting screw 7 is threadedly connected to the inside of the guide sleeve 15.

[0029] Specifically, the guide sleeve 15 can improve the installation firmness of the connecting screw 7, so that the top sleeve 5 is more firmly installed and the impact resistance is improved.

[0030] Referring toFigure 1 As another specific embodiment provided by the application, it further comprises a connecting lug 16, which is fixedly connected to the top of the hydraulic cylinder body 1.

[0031] Specifically, the connecting lug 16 can be used to connect the ladle and other components that need to be lifted, and the rear connection form facilitates the convenience of lifting installation.

[0032] Please refer to Figure 1 As another specific embodiment provided by the application, it further comprises a mounting seat 17, which is fixedly connected to the bottom of the hydraulic cylinder body 1 in an annular array.

[0033] Specifically, the mounting seat 17 can be used to connect and fix the hydraulic cylinder body 1, and also provide a mounting position for the bottom sleeve 11.

[0034] Please refer to Figure 2 As another specific embodiment provided by the application, it further comprises a connecting seat 18, which is fixedly connected to the inner wall of the bottom corner position of the bottom sleeve 11, and the connecting seat 18 is connected to the upper end of the corresponding mounting seat 17.

[0035] Specifically, the connecting seat 18 can be fixed with the mounting seat 17, and the setting of the connecting seat 18 on the inner wall of the bottom corner position of the bottom sleeve 11 can improve the firmness after connection and ensure more stable support.

[0036] Please refer to Figure 1 As another specific embodiment provided by the application, it further comprises a connecting table 19, which is arranged at the edge position of the upper end of the hydraulic cylinder body 1, and the connecting table 19 is connected to the through hole 4.

[0037] Specifically, the connecting table 19 can be adapted to the through hole 4, so that it is more stable after connection.

[0038] The embodiments of the specific embodiments are the preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A complex scene hydraulic cylinder rod protection structure, comprising a hydraulic cylinder body (1), characterized in that, Also includes: Connecting sleeve (2), upper cover plate (3), through hole (4), top sleeve (5), connecting hole (6), connecting screw (7), connecting sliding groove (8), sliding block (9), middle sleeve (10) and bottom sleeve (11), the connecting sleeve (2) is provided with four, the connecting sleeve (2) annular array fixedly connected on the four around surface of hydraulic cylinder body (1) near the upper end, the upper cover plate (3) appearance is rectangular, the middle part of the upper cover plate (3) is provided with a through hole (4), the through hole (4) is matched and connected on the upper end of the hydraulic cylinder body (1), the upper end of the top sleeve (5) is matched and connected with the upper cover plate (3), the connecting hole (6) is respectively arranged on the outer side surface of the top sleeve (5) near the upper end, the connecting screw (7) is respectively screwed in the connecting hole (6), the connecting screw (7) is respectively screwed with the connecting sleeve (2), the connecting sliding groove (8) is vertically arranged on the inner wall of each face of the top sleeve (5), the middle sleeve (10) is movably sleeved in the inside of the top sleeve (5), the sliding block (9) is respectively fixedly connected on the outer side surface of the top sleeve (5) near the upper end, the sliding block (9) on the middle sleeve (10) is respectively slidably connected with the connecting sliding groove (8) on the top sleeve (5), the bottom sleeve (11) is slidably sleeved in the inside of the middle sleeve (10), the connecting sliding groove (8) is respectively arranged on the inner wall of the middle sleeve (10), the sliding block (9) is respectively fixedly connected on the outer side surface of the bottom sleeve (11), the sliding block (9) on the bottom sleeve (11) is respectively slidably connected with the connecting sliding groove (8) on the inner wall of the middle sleeve (10), the sum of the lengths of the top sleeve (5), the middle sleeve (10) and the bottom sleeve (11) is greater than the maximum length of the hydraulic cylinder body (1) extending.

2. The complex scene hydraulic cylinder rod protection structure according to claim 1, characterized in that: Also includes a scraping tooth (12), the scraping tooth (12) is respectively equidistantly arranged on the lower end of the top sleeve (5) and the middle sleeve (10).

3. The complex scene hydraulic cylinder rod protection structure according to claim 1, characterized in that: Also includes a mounting groove (13) and a protective plate (14), the mounting groove (13) is respectively arranged on the surface of the top sleeve (5) corresponding to the edge position of the connecting hole (6), and the protective plate (14) is respectively matched and connected in each mounting groove (13).

4. The complex scene hydraulic cylinder rod protection structure according to claim 1, characterized in that: Also includes a guide sleeve (15), the guide sleeve (15) is fixedly connected on the inner wall of the top sleeve (5) corresponding to the connecting hole (6), and the connecting screw (7) is screwed in the inside of the guide sleeve (15).

5. The complex scene hydraulic cylinder rod protection structure according to claim 1, characterized in that: Also includes a connecting lug (16), the connecting lug (16) is matched and connected on the top of the hydraulic cylinder body (1).

6. The complex scene hydraulic cylinder rod protection structure according to claim 1, characterized in that: Also includes a mounting seat (17), the mounting seat (17) is annularly arrayed and fixedly connected on the bottom of the hydraulic cylinder body (1).

7. The complex scene hydraulic cylinder rod protection structure according to claim 6, characterized in that: Also includes a connecting seat (18), the connecting seat (18) is symmetrically fixedly connected on the inner wall of the bottom corner position of the bottom sleeve (11), and the connecting seat (18) is respectively matched and connected with the upper end of the corresponding mounting seat (17).

8. The complex scene hydraulic cylinder rod protection structure according to claim 1, characterized in that: Also included is a connecting platform (19) arranged at the edge of the upper end of the hydraulic cylinder body (1), which is connected with the through hole (4).

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