A quick connection structure for a hydraulic cylinder head

By using the toothed structure design of the push ring and pull-back block, combined with the push-pull column and compression spring, the hydraulic cylinder head can be quickly connected and disassembled, solving the problem of slow connection speed caused by manual operation in the existing technology, improving work efficiency and extending the service life of the equipment.

CN116099877BActive Publication Date: 2025-12-05TIANJIN ZHONGZHONG TECH ENG CO LTD
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Patent Information

Application Number
CN202211697499.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-28
Publication Date
2025-12-05
Estimated Expiration
2042-12-28

AI Technical Summary

Technical Problem

The current process of connecting the hydraulic cylinder head to the rolling mill requires manual operation, which results in slow connection speed and reduced work efficiency.

Method used

A quick-connection structure for hydraulic cylinder heads was designed. Through the toothed structure of the push ring and pull-back block, combined with the design of the push-pull column and compression spring, the hydraulic cylinder head can be quickly pushed forward and pulled back. The tooth surface guiding effect of the push and pull-back teeth enables the automated connection and disassembly of the hydraulic cylinder head.

Benefits of technology

It improves the connection speed of hydraulic cylinder heads, simplifies the operation process, increases work efficiency, and extends the service life of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a hydraulic cylinder head quick connection structure, which comprises a mounting sleeve, a pushing ring fixed on the mounting sleeve, a pushing tooth fixed on one end of the pushing ring, a pullback block corresponding to the pushing ring, a pullback tooth fixed on one end of the pullback block close to the pushing ring, a tooth root, a first tooth surface and a tooth top of the pushing tooth aligning a second tooth surface of the pullback tooth, a first tooth surface, a tooth root and a tooth top of the pullback tooth aligning a second tooth surface of the pushing tooth, a plurality of pullback blocks being uniformly arranged along the axis of the mounting sleeve, and a passing groove being formed between adjacent pullback blocks, a clamping ring provided with a push-pull column corresponding to the passing groove, and the clamping ring being rotationally connected with the hydraulic cylinder head. The hydraulic cylinder head can push and pull the mounting sleeve by moving the push-pull column in the gap between the pushing tooth and the pullback tooth, the hydraulic cylinder head is convenient to disassemble, and the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of hydraulic cylinder head connection, and particularly relates to a hydraulic cylinder head quick connection structure. BACKGROUND

[0002] In a profile steel production line, when different types of profile steel need to be made, the rolling mill needs to be replaced to realize the positioning of the hole type. In the existing rolling mill roller process, whether the roller is pushed forward or pulled back, the cylinder head of the hydraulic cylinder needs to be fixedly connected with the rolling mill. The connection process of the cylinder head of the hydraulic cylinder needs manual operation to lift or lower the hook sleeve clamping plate, which seriously limits the connection speed of the hydraulic cylinder head and reduces the work efficiency. SUMMARY

[0003] Therefore, the present application aims to provide a hydraulic cylinder head quick connection structure to at least solve some of the above technical problems.

[0004] To achieve the above-mentioned purpose, the technical scheme of the present application is as follows:

[0005] A hydraulic cylinder head quick connection structure comprises:

[0006] A mounting sleeve is provided with a pushing ring, one end of the pushing ring is fixedly provided with a pushing tooth, the mounting sleeve is fixedly provided with a pulling back block corresponding to the pushing ring, one end of the pulling back block near the pushing ring is fixedly provided with a pulling back tooth, the tooth root, the first tooth surface and the tooth top of the pushing tooth are aligned with the second tooth surface of the pulling back tooth, the first tooth surface, the tooth root and the tooth top of the pulling back tooth are aligned with the second tooth surface of the pushing tooth, the number of the pulling back blocks is multiple, and they are uniformly arranged along the axis of the mounting sleeve, and a passing groove is formed between adjacent pulling back blocks;

[0007] A clamping ring is provided with a push-pull column corresponding to the passing groove, and the clamping ring is rotationally connected with the hydraulic cylinder head.

[0008] Further, the pushing ring is installed on the inner side of the mounting sleeve, and the pulling back block is installed on the inner side of the mounting sleeve.

[0009] The push-pull column is fixedly arranged on the outer side wall of the clamping ring.

[0010] Further, the end of the hydraulic cylinder head is fixedly provided with a mounting boss, the clamping ring is installed on the outer side of the mounting boss, the end of the mounting boss away from the hydraulic cylinder head is fixedly provided with a baffle, and the baffle and the clamping ring are provided with a compression spring therebetween.

[0011] Further, a grommet one is arranged between the compression spring and the clamping ring, and a mounting groove one matched with the clamping ring is formed in one end of the grommet one near the clamping ring.

[0012] The grommet is provided between the grommet and the hydraulic cylinder head, and a second grommet is provided near one end of the grommet.

[0013] The grommet is installed between the second installation groove and the first installation groove.

[0014] The inner diameter of the first grommet matches the diameter of the installation boss, and the inner diameter of the second grommet matches the diameter of the installation boss.

[0015] Further, the first grommet and the second grommet are both copper structural members.

[0016] Further, the baffle is provided with a spring groove near one end of the first grommet, the compression spring is installed inside the spring groove, and a gap exists between the first grommet and the baffle.

[0017] The baffle is connected with the installation boss through bolts.

[0018] Further, eight advancing teeth are fixed on the advancing ring, two pulling teeth are fixed on the pulling block, the number of the pulling block is four, and the number of the push-pull column is four.

[0019] Further, the inclination angle of the first tooth surface of the advancing tooth is greater than the inclination angle of the second tooth surface.

[0020] The inclination angle of the first tooth surface of the pulling tooth is greater than the inclination angle of the second tooth surface.

[0021] Compared with the prior art, the hydraulic cylinder head quick connection structure has the following beneficial effects:

[0022] (1) The hydraulic cylinder head quick connection structure can realize the advancing and pulling operation of the hydraulic cylinder head on the installation sleeve through the movement of the push-pull column in the gap between the advancing tooth and the pulling tooth, and is convenient to disassemble, thereby improving the work efficiency.

[0023] (2) The hydraulic cylinder head quick connection structure tightens the first grommet through the compression spring, tightens the grommet through the first grommet, increases the friction between the first grommet and the grommet, and prevents the grommet from rotating without guidance. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings, which form a part of the present application, are used to provide a further understanding of the present application, and the illustrative embodiments thereof and their descriptions serve to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0025] Figure 1 The structure cross-section structure described in the embodiments of the present application is a structure cross-section structure;

[0026] Figure 2This is a schematic diagram of the three-dimensional structure of the mounting sleeve according to an embodiment of the present invention;

[0027] Figure 3 This is a three-dimensional structural diagram of the hydraulic cylinder head according to an embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram of the planar unfolded structure of the propulsion ring and pull-back block according to an embodiment of the present invention.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Mounting sleeve; 2. Pull-back block; 3. Push ring; 4. Hydraulic cylinder head; 5. Snap ring; 6. Washer ring two; 7. Washer ring one; 8. Baffle; 9. Compression spring; 201. Pull-back tooth; 301. Push tooth; 401. Mounting boss; 501. Push-pull column. Detailed Implementation

[0031] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0032] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0033] like Figure 1 Of Figure 4 As shown, a quick-connect structure for a hydraulic cylinder head includes:

[0034] Mounting sleeve 1, mounting sleeve 1 has a push ring 3 fixed on it, one end of the push ring 3 is fixed with a push tooth 301, mounting sleeve 1 has a pull-back block 2 corresponding to the push ring 3 fixed on it, the pull-back block 2 has a pull-back tooth 201 fixed on one end of it near the push ring 3, the root of the push tooth 301 (e.g. Figure 4 (at point C in the middle), the first tooth surface (such as...) Figure 4 The A-face of the push tooth 301 and the second tooth face of the pull-back tooth 201 aligned with the tooth tip (as shown in the image) Figure 4 The B-side of the pullback tooth 201), and the first tooth surface of the pullback tooth 201 (as shown in the image). Figure 4 (A surface of the pullback tooth 201), tooth root (such as...) Figure 4 (at point D in the middle) and the second tooth surface of the tooth tip aligned with the push tooth 301 (as shown in the image) Figure 4 The B-side of the propulsion tooth 301 in the middle), the number of pull-back blocks 2 is multiple, and they are evenly arranged circumferentially along the axis of the mounting sleeve 1, and a passage groove is formed between adjacent pull-back blocks 2 (such as Figure 4 (At the point where the arrow points vertically in the middle);

[0035] The retaining ring 5 is provided with a push-pull column 501 corresponding to the push groove, and the retaining ring 5 is rotatably connected to the hydraulic cylinder head 4.

[0036] The push ring 3 is installed inside the mounting sleeve 1, and the pull-back block 2 is installed inside the mounting sleeve 1;

[0037] The push-pull column 501 is fixed on the outer side wall of the clamping ring 5.

[0038] The end of the hydraulic cylinder head 4 is fixed with a mounting boss 401, the clamping ring 5 is mounted outside the mounting boss 401, the mounting boss 401 is fixed with a baffle plate 8 away from the end of the hydraulic cylinder head 4, and the baffle plate 8 is provided with a compression spring 9 between the clamping ring 5.

[0039] The compression spring 9 is provided with a spacer ring I 7 between the clamping ring 5, and the spacer ring I 7 is provided with a mounting groove I matched with the clamping ring 5 at one end close to the clamping ring 5.

[0040] The clamping ring 5 is provided with a spacer ring 26 between the hydraulic cylinder head 4, and the spacer ring 26 is provided with a mounting groove II matched with the clamping ring 5 at one end close to the clamping ring 5.

[0041] The clamping ring 5 is mounted between the mounting groove II and the mounting groove I.

[0042] The inner diameter of the spacer ring I 7 matches the diameter of the mounting boss 401, and the inner diameter of the spacer ring 26 matches the diameter of the mounting boss 401.

[0043] The spacer ring I 7 and the spacer ring 26 are both copper structural parts, which have good wear resistance and prolong the service life of the structure. The compression spring 9 presses the spacer ring I 7, the spacer ring I 7 presses the clamping ring 5, and the rotation of the clamping ring 5 is prevented.

[0044] The baffle plate 8 is provided with a spring groove at one end close to the spacer ring I 7, the compression spring 9 is mounted inside the spring groove, the movement of the compression spring 9 is prevented, and there is a gap between the spacer ring I 7 and the baffle plate 8.

[0045] The baffle plate 8 is connected with the mounting boss 401 through bolts.

[0046] Eight push teeth 301 are fixed on the push ring 3, two pull teeth 201 are fixed on the pull block 2, the number of the pull block 2 is four, and the number of the push-pull column 501 is four.

[0047] The inclination angle of the first tooth surface of the push tooth 301 is greater than the inclination angle of the second tooth surface;

[0048] The inclination angle of the first tooth surface of the pull tooth 201 is greater than the inclination angle of the second tooth surface.

[0049] Working process:

[0050] When the scheme is implemented, the mounting sleeve 1 is mounted on the to-be-moved part (in this embodiment, the to-be-moved part is a to-be-replaced rolling mill), the push-pull column 501 is aligned with the passage groove, the hydraulic cylinder head 4 pushes the push-pull column 501 to move forward, under the guidance of the second tooth surface of the push tooth 301, the clamping ring 5 rotates, and the push-pull column 501 reaches the tooth root of the push tooth 301 (for example, the tooth root of the push tooth 301 is the position where the tooth surface of the push tooth 301 is the smallest).Figure 4 When the hydraulic cylinder head 4 pushes the installation sleeve 1 and the rolling mill to be replaced forward, the push-pull column 501 moves forward under the guidance of the first tooth surface of the push tooth 301 and the second tooth surface of the pull tooth 201, and the clamping ring 5 rotates, and the push-pull column 501 reaches the tooth root of the push tooth 301 (as shown in the middle C), at this time, the tooth root of the push tooth 301 limits the push-pull column 501, at this time, the hydraulic cylinder head 4 can push the installation sleeve 1 and the rolling mill to be replaced.

[0051] When the hydraulic cylinder head 4 pulls back the installation sleeve 1 and the rolling mill to be replaced, the push-pull column 501 moves backward, under the guidance of the second tooth surface of the pull tooth 201 and the first tooth surface of the push tooth 301, the clamping ring 5 rotates, and the push-pull column 501 reaches the tooth root of the pull tooth 201 (as shown in the middle D), at this time, the tooth root of the pull tooth 201 limits the push-pull column 501, at this time, the hydraulic cylinder head 4 can pull back the installation sleeve 1 and the rolling mill to be replaced. Figure 4

[0052] When the hydraulic cylinder head 4 needs to be disassembled, the push-pull operation is repeated until the push-pull column 501 is aligned with the passage groove, at this time, the push-pull column 501 can be pulled out from the installation sleeve 1, and the connection between the hydraulic cylinder head 4 and the installation sleeve 1 is released.

[0053] Through the movement of the push-pull column 501 in the gap between the push tooth 301 and the pull tooth 201, the hydraulic cylinder head 4 can push and pull back the installation sleeve 1, and the disassembly is convenient, and the work efficiency is improved.

[0054] Those skilled in the art can appreciate that the units and method steps of the examples described in combination with the embodiments disclosed herein can be realized by electronic hardware, computer software or a combination of both. In order to clearly illustrate the interchangeability of hardware and software, the components and steps of the examples have been described in the above description in general terms. Whether the functions are realized in hardware or software depends on the specific application and design constraints of the technical solution. A person skilled in the art can use different methods to realize the described functions for each specific application, but such implementation should not be considered beyond the scope of the present application.

[0055] In several embodiments provided in the present application, it should be understood that the disclosed method and system can be implemented in other ways. For example, the division of the above-mentioned units is only a logical functional division, and in actual implementation, there can be another division method, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. The above-mentioned units can be or can not be physically separated, and the components displayed as units can be or can not be physical units, that is, they can be located in one place, or they can be distributed on a plurality of network units. According to actual needs, part or all of the units can be selected to achieve the purpose of the embodiment of the present application.

[0056] ​Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the description of the present application.

[0057] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A hydraulic cylinder head quick connect structure, characterized by, The application relates to a rolling mill replacement device. The device comprises a mounting sleeve (1), a pushing ring (3) fixed on the mounting sleeve (1), a pushing tooth (301) fixed on one end of the pushing ring (3), a pulling block (2) corresponding to the pushing ring (3) fixed on the mounting sleeve (1), a pulling tooth (201) fixed on one end of the pulling block (2) close to the pushing ring (3), a tooth root, a first tooth surface and a tooth top of the pushing tooth (301) aligning a second tooth surface of the pulling tooth (201), a first tooth surface, a tooth root and a tooth top of the pulling tooth (201) aligning a second tooth surface of the pushing tooth (301), four pulling blocks (2) evenly arranged along the axis of the mounting sleeve (1) and a passing groove formed between adjacent pulling blocks (2). A clamping ring (5) is provided with a pushing and pulling column (501) corresponding to the passing groove, and the clamping ring (5) is rotationally connected with a hydraulic cylinder head (4). The pushing ring (3) is fixed with eight pushing teeth (301), the pulling block (2) is fixed with two pulling teeth (201), and the number of the pushing and pulling columns (501) is four. The inclination angle of the first tooth surface of the pushing tooth (301) is larger than that of the second tooth surface, and the inclination angle of the first tooth surface of the pulling tooth (201) is larger than that of the second tooth surface. The mounting sleeve (1) is installed on a rolling mill to be replaced, the pushing and pulling column (501) is aligned with the passing groove, the hydraulic cylinder head (4) pushes the pushing and pulling column (501) to move forward, the clamping ring (5) is rotated under the guidance of the second tooth surface of the pushing tooth (301), the pushing and pulling column (501) reaches the tooth root of the pushing tooth (301), the tooth root of the pushing tooth (301) limits the pushing and pulling column (501), and the hydraulic cylinder head (4) can push the mounting sleeve (1) and the rolling mill to be replaced. When the mounting sleeve (1) and the rolling mill to be replaced are pulled back, the hydraulic cylinder head (4) pulls back the pushing and pulling column (501) to move backward, the clamping ring (5) is rotated under the guidance of the second tooth surface of the pulling tooth (201) and the first tooth surface of the pushing tooth (301), the pushing and pulling column (501) reaches the tooth root of the pulling tooth (201), the tooth root of the pulling tooth (201) limits the pushing and pulling column (501), and the hydraulic cylinder head (4) can pull back the mounting sleeve (1) and the rolling mill to be replaced.

2. The hydraulic cylinder head quick connect structure of claim 1, wherein: The pushing ring (3) is installed on the inner side of the mounting sleeve (1), and the pulling block (2) is installed on the inner side of the mounting sleeve (1). The pushing and pulling column (501) is fixed on the outer side wall of the clamping ring (5).

3. The hydraulic cylinder head quick connect structure of claim 2, wherein: The end of the hydraulic cylinder head (4) is fixed with a mounting boss (401), the clamping ring (5) is installed on the outer side of the mounting boss (401), one end of the mounting boss (401) away from the hydraulic cylinder head (4) is fixed with a baffle (8), and a compression spring (9) is arranged between the baffle (8) and the clamping ring (5).

4. The hydraulic cylinder head quick connect structure of claim 3, wherein: A grommet one (7) is arranged between the compression spring (9) and the clamping ring (5), and a mounting groove one matched with the clamping ring (5) is formed in one end of the grommet one (7) close to the clamping ring (5). The grommet (5) and the hydraulic cylinder head (4) are provided with a grommet two (6), which is provided with a mounting groove two matched with the grommet (5) near one end of the grommet (5); The grommet (5) is mounted between the mounting groove two and the mounting groove one; The inner diameter of the grommet one (7) matches the diameter of the mounting boss (401), and the inner diameter of the grommet two (6) matches the diameter of the mounting boss (401).

5. The hydraulic cylinder head quick connect structure of claim 4, wherein: The grommet one (7) and the grommet two (6) are structural members made of copper.

6. The hydraulic cylinder head quick connect structure of claim 4, wherein: The baffle (8) is provided with a spring groove near one end of the grommet one (7), the compression spring (9) is mounted inside the spring groove, and there is a gap between the grommet one (7) and the baffle (8); The baffle (8) is connected with the mounting boss (401) through bolts.

Citation Information

Patent Citations

  • Quick connecting structure of hydraulic cylinder head

    CN219093129U