Protective device for piston rod transportation

By designing a protective device for piston rod transportation, the problems of hydraulic oil leakage and foreign matter intrusion caused by poor fixation of the hydraulic cylinder piston rod during transportation are solved, and stable transportation and sealing effects of the hydraulic cylinder and piston rod are achieved.

CN223371599UActive Publication Date: 2025-09-23SHANXI LANHUA MASCH PROD CO LTD
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Patent Information

Application Number
CN202422676902.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-09-23
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

In the prior art, the hydraulic cylinder piston rod lacks effective fixed protection during transportation, which causes hydraulic oil leakage and foreign matter to enter the oil port, affecting the normal use of the hydraulic system.

Method used

A protective device for piston rod transportation is designed, which includes components such as a box body, a mounting plate, a shock-absorbing rubber strip, a containing groove, a fixing column, a fixing bolt, a soft rubber strip and a box cover. Through the combined use of these components, the hydraulic cylinder and piston rod can be fixed and sealed, the impact of vibration can be reduced, and hydraulic oil leakage can be prevented.

Benefits of technology

It significantly reduces the risk of displacement and damage of the hydraulic cylinder and piston rod during transportation, ensures safety and stability during transportation, prevents hydraulic oil leakage and foreign matter from entering, and avoids blockage of the hydraulic system.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223371599U_ABST
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Abstract

The protective device for piston rod transportation comprises a box body; a first mounting plate is arranged in the box body; a plurality of damping rubber strips are arranged between the lower side of the first mounting plate and the box body; a containing groove is formed in the upper side of the first mounting plate; a fixing column is arranged at one end of the containing groove. Fixing lugs are arranged at the ends, away from the fixing columns, of the containing grooves. Fixing bolts are arranged on the fixing lugs; a plurality of damping rubber strips are arranged between the outer side wall of the containing groove and the box body. The upper side of the box body is connected with the box cover through bolts; a second mounting plate is arranged in the box cover; a plurality of damping rubber strips are arranged between the second mounting plate and the box cover; a cover pad is arranged on the second mounting plate opposite to the containing groove; a plurality of soft rubber strips are rotationally arranged on the upper side of the middle of the containing groove. A plug cover is arranged at one end of the soft rubber strip. The cylinder body and the piston rod of the hydraulic cylinder are placed in the containing groove to be fixed and matched with the box cover to form a good fixing effect on the hydraulic cylinder, and the risk of displacement or damage of the cylinder body and the piston rod of the hydraulic cylinder caused by vibration and jolt in the transportation process is reduced.
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Description

Technical Field

[0001] The utility model belongs to the field of hydraulic cylinder piston rod protection devices, in particular to a protection device for piston rod transportation. Background Art

[0002] Large mining equipment such as the Matiel self-moving tail, the use function of its self-moving stroke is mainly composed of a hydraulic cylinder and multiple parts. The overall size of the equipment is large, and it needs to be disassembled and packaged during transportation and storage. The parts of each part need to be protected accordingly. At present, the disassembly protection of the hydraulic cylinder is mostly simple box packaging, which is difficult to provide a good fixed protection effect for the hydraulic cylinder piston rod. In particular, the oil port joint surface of the hydraulic cylinder is very prone to hydraulic oil leakage during transportation, or foreign objects fall into the oil port, resulting in blockage of the hydraulic system and affecting the normal use of the hydraulic cylinder. Utility Model Content

[0003] The purpose of the utility model is to provide a protective device for piston rod transportation, so as to solve the technical problem that the current disassembly protection of hydraulic cylinders is mostly simple box packaging, which makes it difficult to provide a good fixed protection effect on the hydraulic cylinder piston rod, especially the oil port joint surface of the hydraulic cylinder is very prone to hydraulic oil leakage during transportation, or foreign matter falls into the oil port, causing blockage of the hydraulic system and affecting the normal use of the hydraulic cylinder.

[0004] To achieve the above-mentioned purpose, the specific technical solution of the piston rod transportation protection device of the present utility model is as follows:

[0005] A protective device for transporting piston rods, comprising a box body; a first mounting plate is provided in the box body; a plurality of shock-absorbing rubber strips are provided between the lower side of the first mounting plate and the box body; a containing groove is provided on the upper side of the first mounting plate; a fixing column is provided at one end of the containing groove; a fixing ear is provided at the end of the containing groove away from the fixing column; a fixing bolt is provided on the fixing ear; a plurality of shock-absorbing rubber strips are provided between the outer wall of the containing groove and the box body; a box cover is provided on the upper side of the box body via bolt connection; a second mounting plate is provided in the box cover; a plurality of shock-absorbing rubber strips are provided between the second mounting plate and the box cover; a cover pad is provided on the second mounting plate relative to the containing groove; a plurality of soft rubber strips are rotatably provided on the upper middle side of the containing groove; a plug cover is provided at one end of the soft rubber strip.

[0006] Furthermore, the containing tank is composed of a rod tank, a cylinder tank and end cover tanks at both ends of the cylinder tank.

[0007] Furthermore, the fixing column is arranged in an end cover groove away from the rod body groove.

[0008] Furthermore, the shape of the cover pad is opposite to the shape of the containing groove.

[0009] Furthermore, a ring sleeve is provided at a position of the second mounting plate relative to the fixing column.

[0010] The utility model relates to a protective device for transporting a piston rod, which has the following advantages: a receiving groove is provided on the first mounting plate, the cylinder body and the piston rod of the hydraulic cylinder are placed in the receiving groove, the piston rod is fixed by the fixing ear and the fixing bolt, the cylinder body of the hydraulic cylinder is fixed by the fixing column and the ring sleeve, and the cover gasket inside the box cover presses the upper side of the hydraulic cylinder body and the piston rod, thereby forming a good fixing effect on the hydraulic cylinder, which can significantly reduce the risk of displacement or damage of the hydraulic cylinder body and the piston rod due to factors such as vibration and bump during transportation, and ensure the safety of the hydraulic cylinder body and the piston rod during transportation; by providing a plurality of protective devices between the first mounting plate and the box body, between the receiving groove and the box body, and between the second mounting plate and the box body, the protective device can be used to prevent the occurrence of accidents and accidents. Multiple shock-absorbing rubber strips are set between the mounting plate and the box cover, which provide good vibration reduction and impact reduction effects for the hydraulic cylinder body and piston rod in the containing tank. When vibration, bumps, etc. occur during transportation, the stability of the hydraulic cylinder body and piston rod can be effectively increased to avoid collision and damage of the hydraulic cylinder due to vibration; multiple soft rubber strips are rotated in the containing tank to cooperate with the plug cover. When the hydraulic cylinder is being transported, the plug cover is used to block the oil port and connection port of the hydraulic cylinder body to prevent hydraulic oil leakage or dust and foreign matter from falling into the oil port of the cylinder body. Finally, the cover gasket set in the box cover is pressed on the upper part of the cover gasket and the hydraulic cylinder to prevent the cover gasket from falling off and increase the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0013] Figure 3 For this utility model Figure 2 A magnified schematic diagram of area A in the middle;

[0014] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Explanation of the marks in the figure: 1. Box body; 2. First mounting plate; 3. Shock-absorbing rubber strip; 4. Container slot; 5. Fixing column; 6. Fixing ear; 7. Fixing bolt; 8. Box cover; 9. Second mounting plate; 10. Cover gasket; 11. Soft rubber strip; 12. Plug cover; 13. Rod body slot; 14. Cylinder body slot; 15. End cover slot; 16. Ring sleeve. DETAILED DESCRIPTION

[0016] In order to better understand the purpose, structure and function of the present invention, the following is a further detailed description of the piston rod transportation protection device of the present invention in conjunction with the accompanying drawings.

[0017] like Figure 1-4As shown, the protective device for transporting a piston rod of the present invention comprises a box body 1; a first mounting plate 2 is provided in the box body 1; a plurality of shock-absorbing rubber strips 3 are provided between the lower side of the first mounting plate 2 and the box body 1; a holding groove 4 is provided on the upper side of the first mounting plate 2; a fixing column 5 is provided at one end of the holding groove 4; a fixing ear 6 is provided at the end of the holding groove 4 away from the fixing column 5; a fixing bolt 7 is provided on the fixing ear 6; a plurality of shock-absorbing rubber strips 3 are provided between the outer wall of the holding groove 4 and the box body 1; a box cover 8 is provided on the upper side of the box body 1 through bolt connection; a second mounting plate 9 is provided in the box cover 8; a plurality of shock-absorbing rubber strips 3 are provided between the second mounting plate 9 and the box cover 8; a cover gasket 10 is provided on the second mounting plate 9 relative to the holding groove 4; a plurality of soft rubber strips 11 are rotatably provided on the upper middle side of the holding groove 4; a plug cover 12 is provided at one end of the soft rubber strip 11, and a ring sleeve 16 is provided on the second mounting plate 9 relative to the fixing column 5.

[0018] Combine Figure 1-4 As shown, when it is necessary to transport large mining equipment, the hydraulic cylinder and piston rod contained therein are placed and transported through the protective device, the box cover 8 is opened, the hydraulic cylinder and piston rod are placed in the containing groove 4, the connecting ring sleeve 16 at the end of the hydraulic cylinder body is set on the fixing column 5, and the connecting head of the piston rod is fixed to the fixing ear 6 with the fixing bolt 7, and the oil port and connecting port of the hydraulic cylinder body are blocked by using the plug cover 12, and then the box cover 8 is covered, and the cover gasket 10 is used to press on the plug cover 12 and the hydraulic cylinder and piston rod, and the box cover 8 is connected and fixed to the box body 1 by bolts, and the cylinder body of the hydraulic cylinder is fixed by the fixing column 5 and the ring sleeve 16, and the cover gasket 10 in the box cover 8 is used to press the upper side of the hydraulic cylinder body and the piston rod, so as to form a good fixing effect on the hydraulic cylinder, which can significantly reduce the risk of displacement or damage of the hydraulic cylinder body and the piston rod due to factors such as vibration and bumps during transportation. Ensure the safety of the hydraulic cylinder body and piston rod during transportation; by arranging multiple shock-absorbing rubber strips 3 between the first mounting plate 2 and the box body 1, between the containing groove 4 and the box body 1, and between the second mounting plate 9 and the box cover 8, it provides a good vibration reduction and impact reduction effect for the hydraulic cylinder body and piston rod in the containing groove 4, and can effectively increase the stability of the hydraulic cylinder body and piston rod when vibration, bumps, etc. occur during transportation, and avoid collision and damage of the hydraulic cylinder due to vibration; by rotatably arranging multiple soft rubber strips 11 in the containing groove 4 to cooperate with the plug cover 12, when the hydraulic cylinder is transported, the plug cover 12 is used to block the oil port and connection port of the hydraulic cylinder body to prevent hydraulic oil leakage or dust and foreign matter from falling into the oil port of the cylinder body, and then the cover gasket 10 arranged in the box cover 8 is pressed on the cover gasket 10 and the upper part of the hydraulic cylinder to prevent the cover gasket 10 from falling off, thereby increasing the sealing effect.

[0019] The containing groove 4 is composed of a rod groove 13, a cylinder groove 14 and end cover grooves 15 at both ends of the cylinder groove 14. The fixing column 5 is arranged in an end cover groove 15 away from the rod groove 13. The containing groove 4 for placing the hydraulic cylinder rod body, cylinder body and end covers is composed of multiple grooves that fit the shape of the hydraulic cylinder, such as the rod groove 13, the cylinder groove 14 and the end cover grooves 15 at both ends of the cylinder groove 14, so that the shape of the containing groove 4 is more in line with the shape of the hydraulic cylinder body and the piston rod, and the fixing effect of the hydraulic cylinder and the piston rod is better.

[0020] The shape of the cover gasket 10 is opposite to that of the containing groove 4. After the hydraulic cylinder and the piston rod are placed in the containing groove 4, the cover gasket 10 is pressed on the upper side of the hydraulic cylinder and fits the hydraulic cylinder, so that the buffering and shock-absorbing effect of the shock-absorbing rubber strip 3 set between the second mounting plate 9 and the box cover 8 is added to the hydraulic cylinder and the piston rod in the containing groove 4.

[0021] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A protective device for transporting a piston rod, characterized in that: The invention comprises a box body (1); a first mounting plate (2) is provided in the box body (1); a plurality of shock-absorbing rubber strips (3) are provided between the lower side of the first mounting plate (2) and the box body (1); a receiving groove (4) is provided on the upper side of the first mounting plate (2); a fixing column (5) is provided at one end of the receiving groove (4); a fixing ear (6) is provided at one end of the receiving groove (4) away from the fixing column (5); a fixing bolt (7) is provided on the fixing ear (6); and a fixing bolt (8) is provided between the outer wall of the receiving groove (4) and the box body (1). A plurality of shock-absorbing rubber strips (3) are arranged between the housing (1); a box cover (8) is arranged on the upper side of the box body (1) through bolt connection; a second mounting plate (9) is arranged inside the box cover (8); a plurality of shock-absorbing rubber strips (3) are arranged between the second mounting plate (9) and the box cover (8); a cover pad (10) is arranged at a position of the second mounting plate (9) relative to the receiving groove (4); a plurality of soft rubber strips (11) are rotatably arranged on the upper side of the middle of the receiving groove (4); a plug cover (12) is arranged at one end of the soft rubber strip (11).

2. The piston rod transportation protection device according to claim 1, characterized in that: The containing groove (4) is composed of a rod groove (13), a cylinder groove (14), and end cover grooves (15) at both ends of the cylinder groove (14).

3. The piston rod transportation protection device according to claim 1, characterized in that: The fixing column (5) is arranged in an end cover groove (15) away from the rod body groove (13).

4. The piston rod transportation protection device according to claim 1, characterized in that: The shape of the cover pad (10) is opposite to that of the containing groove (4).

5. The piston rod transportation protection device according to claim 1, characterized in that: The second mounting plate (9) is provided with a ring sleeve (16) at a position relative to the fixing column (5).