Anti-impact hydraulic oil cylinder
By designing a protective plate and pressure-resistant shell structure driven by a swing cylinder on the hydraulic cylinder and combining it with a heat dissipation mechanism, the protection problem of the hydraulic cylinder during external impact is solved, achieving a longer service life and stability.
Patent Information
- Application Number
- CN202422642147.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing hydraulic cylinders lack protection when encountering external impacts and are easily damaged, which shortens their service life.
The protective plate is driven by a swing cylinder for protection, and the pressure-resistant shell and rubber columns are combined to enhance the protection effect. The heat dissipation efficiency is improved through the heat dissipation mechanism using extraction fans and filter boxes.
It effectively prevents deformation of the outer wall of the hydraulic cylinder, extends the service life of the equipment, and improves the stability and reliability of the equipment in various environments.
Smart Images

Figure CN223398994U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic oil cylinders, in particular to an anti-impact hydraulic oil cylinder. Background Art
[0002] The cylinder is a hydraulic actuator whose main function is to convert hydraulic energy into mechanical energy and output force and displacement through the linear motion of the piston or plunger. It includes all actuators that are driven by hydraulic oil and pneumatic media to achieve linear or rotational motion, thereby driving external loads to complete various mechanical actions.
[0003] A hydraulic cylinder is a type of oil cylinder, mainly used to achieve linear reciprocating motion or swinging motion. It consists of a cylinder barrel, a piston, a piston rod and a sealing part. The pressure of the hydraulic oil pushes the piston to move in the cylinder barrel, thereby driving the piston rod to produce linear motion and perform external work.
[0004] Existing hydraulic cylinders use pressurized oil to transmit force and output mechanical motion through the movement of components such as pistons and plungers inside the cylinder. However, when in use, the outer shell lacks certain protection and is easily damaged when encountering external impact, causing deformation and damage to the hydraulic cylinder, thereby affecting the normal use of the cylinder. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides an impact-proof hydraulic cylinder, which aims to improve the problem in the prior art that the shell lacks certain protection, is easily damaged when encountering external impact, and shortens its service life.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-impact hydraulic cylinder, comprising a base plate, the top wall of the base plate is fixedly connected to a support frame, the top wall of the support frame is fixedly installed with a hydraulic cylinder, the front and rear sides of the inner top wall of the support frame are fixedly connected to a connecting plate, one side of the connecting plate is fixedly connected to a vertical plate, the rear side of the vertical plate is fixedly connected to a swing cylinder, the front end of the swing cylinder is fixedly connected to a swing shell rod, the top wall of the swing shell rod is rotatably connected to a protective plate through a torsion spring, the front and rear ends of one side of the protective plate are fixedly connected to a pressure-resistant shell, the top of one side of the pressure-resistant shell is fixedly connected to a rubber column, the rear end of the outer wall of the hydraulic cylinder is fixedly connected to a fixing ring, and the top wall of the fixing ring is provided with a heat dissipation mechanism, and the heat dissipation mechanism is used to improve the heat dissipation effect of the hydraulic cylinder.
[0007] As a further description of the above technical solution:
[0008] The heat dissipation mechanism includes a fixed shell, the rear side of the bottom wall of the fixed shell is fixedly connected to the top wall of the fixed ring, the top wall of the fixed shell is provided with an inner cavity, the top wall of the fixed shell is fixedly installed with an extraction fan, the top wall of the extraction fan is fixedly connected to a filter box, the inner wall of the filter box is fixedly installed with an adsorption sponge plate, the top wall of the filter box is connected to a plurality of filter columns, and the left and right sides of the bottom wall of the fixed shell are connected to heat dissipation nozzles.
[0009] As a further description of the above technical solution:
[0010] The bottoms of adjacent sides of the two protection plates are both fixedly connected with rubber pads, and the adjacent sides of the two protection plates are fixedly connected with a plurality of arc-shaped rubber plates at equal intervals.
[0011] As a further description of the above technical solution:
[0012] Adjacent sides of the plurality of arc-shaped rubber plates are each provided with a guide groove, and the plurality of arc-shaped rubber plates are arranged at equal distances.
[0013] As a further description of the above technical solution:
[0014] A control switch is fixedly connected to the rear end of the left side of the base plate, and the control switch is electrically connected to the swing cylinder and the extraction fan respectively.
[0015] As a further description of the above technical solution:
[0016] Two mounting plates are fixedly connected to the left and right sides of the bottom plate, and the top walls of the plurality of mounting plates are each provided with mounting grooves.
[0017] As a further description of the above technical solution:
[0018] An arc groove is provided in the middle of the top wall of the two protection plates, and the two arc grooves are symmetrically designed.
[0019] As a further description of the above technical solution:
[0020] A reinforcing plate is fixedly connected to the middle portion of the top wall of the support frame, and the top wall of the reinforcing plate is provided with a curved surface.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the utility model, the swing shell rod can be swung by driving the swing cylinder, so that the two protection plates can be swung towards or away from each other, thereby protecting the outer wall of the hydraulic cylinder. The pressure-resistant shell and the rubber column can improve the pressure resistance of the protection shell, thereby avoiding deformation of the hydraulic cylinder caused by impact, and effectively improving the service life of the equipment.
[0023] 2. In the present invention, by starting the extraction fan, the outside air can be filtered through the filter box, thereby achieving the purpose of removing large particles in the air flow and drying the moisture in the air flow. The air flow is then sprayed through the fixed shell via two heat dissipation nozzles, thereby effectively dissipating heat on the outer wall of the hydraulic cylinder and reducing heat accumulation when the equipment is working. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a three-dimensional diagram of an anti-shock hydraulic cylinder proposed by the utility model;
[0025] Figure 2 This is a top view of an anti-shock hydraulic cylinder proposed by the utility model;
[0026] Figure 3 This is a side view of an anti-shock hydraulic cylinder proposed by the utility model;
[0027] Figure 4 This is a disassembled diagram of a protective plate for an anti-impact hydraulic cylinder proposed in the utility model;
[0028] Figure 5 This is a disassembled diagram of the heat dissipation mechanism of the anti-impact hydraulic cylinder proposed by the utility model.
[0029] Legend:
[0030] 1. Bottom plate; 2. Heat dissipation mechanism; 201. Fixed shell; 202. Inner cavity; 203. Extraction fan; 204. Filter box; 205. Adsorption sponge plate; 206. Filter column; 207. Heat dissipation nozzle; 208. Guide groove; 3. Support frame; 4. Hydraulic cylinder; 5. Connecting plate; 6. Vertical plate; 7. Swinging cylinder; 8. Swinging shell rod; 9. Protective plate; 10. Pressure-resistant shell; 11. Rubber column; 12. Fixed ring; 13. Control switch; 14. Mounting plate; 15. Mounting groove; 16. Reinforcement plate; 17. Arc rubber plate; 18. Rubber pad; 19. Arc groove. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0032] Reference Figure 1 、 Figure 3 and Figure 4The utility model provides an embodiment of an anti-impact hydraulic cylinder, comprising a bottom plate 1, a top wall of the bottom plate 1 is fixedly connected to a support frame 3, a top wall of the support frame 3 is fixedly installed with a hydraulic cylinder 4, so that the support frame 3 can support the hydraulic cylinder 4, ensuring the working stability of the hydraulic cylinder 4, the front and rear sides of the inner top wall of the support frame 3 are fixedly connected to a connecting plate 5, one side of the connecting plate 5 is fixedly connected to a vertical plate 6, the rear side of the vertical plate 6 is fixedly connected to a swing cylinder 7, the front end of the swing cylinder 7 is fixedly connected to a swing shell rod 8, and under the drive of the swing cylinder 7, the swing shell rod 8 It can swing, and the top wall of the swing shell rod 8 is connected to a protective plate 9 by a torsion spring. The front and rear ends of one side of the protective plate 9 are fixedly connected to the pressure-resistant shell 10, and then under the swing of the swing shell rod 8, the protective plate 9 can be swung and adjusted, and then the protective plate 9 and the pressure-resistant shell 10 can protect against impact, thereby achieving the purpose of reducing the impact force. A rubber column 11 is fixedly connected to the top of one side of the pressure-resistant shell 10, and a fixing ring 12 is fixedly connected to the rear end of the outer wall of the hydraulic cylinder 4. The top wall of the fixing ring 12 is provided with a heat dissipation mechanism 2, and the heat dissipation mechanism 2 is used to improve the heat dissipation effect of the hydraulic cylinder 4;
[0033] Specifically, by starting the swing cylinder 7, one end of the swing cylinder 7 will drive the swing shell rod 8 to swing. As the swing shell rod 8 rotates, the protective plate 9 will be driven to swing in the corresponding directions toward or away from each other. The torsion spring enables the protective plate 9 to fit the outer wall of the hydraulic cylinder 4 more closely, which not only improves the protection effect of the outer wall of the hydraulic cylinder 4, but also ensures the stability and reliability of the protective plate 9 during movement. The pressure resistance of the outer wall of the protective plate 9 is also improved. Under the protection of the pressure-resistant shell 10 and the rubber column 11, the outer wall of the protective plate 9 is additionally supported and cushioned, which effectively avoids deformation and damage to the outer wall of the hydraulic cylinder 4 caused by external impact force, and the service life of the equipment is effectively extended. At the same time, the stability and reliability of the equipment in various working environments are also improved.
[0034] Reference Figure 1 、 Figure 2 and Figure 5, the heat dissipation mechanism 2 includes a fixed shell 201, the rear side of the bottom wall of the fixed shell 201 is fixedly connected to the top wall of the fixed ring 12, the top wall of the fixed shell 201 is provided with an inner cavity 202, the top wall of the fixed shell 201 is fixedly installed with an extraction fan 203, by starting the extraction fan 203, it can extract external airflow, the top wall of the extraction fan 203 is fixedly connected to the filter box 204, the inner wall of the filter box 204 is fixedly installed with an adsorption sponge plate 205, the top wall of the filter box 204 is connected with a plurality of filter columns 206, under the action of the filter columns 206, larger particles from the outside can be removed, and then under the adsorption of the adsorption sponge plate 205, the water vapor contained in the airflow can be adsorbed, and the left and right sides of the bottom wall of the fixed shell 201 are connected with heat dissipation nozzles 207, so that the airflow passes through the inner cavity 202 inside the fixed shell 201 and is sprayed by the two heat dissipation nozzles 207;
[0035] Specifically, by starting the extraction fan 203, the filter box 204 is able to effectively extract the outside air, and the outside air can enter the filter box 204, and after being filtered by multiple filter columns 206, the impurity particles in the air are removed, thereby completing the preliminary filtering work. The airflow after preliminary filtration will then pass through the adsorption sponge plate 205, which can remove the water vapor contained in the airflow and achieve the effect of dry airflow. Under the continuous operation of the extraction fan 203, the airflow is able to enter the inner cavity 202 inside the fixed shell 201. In the inner cavity 202, the airflow will be sprayed through two heat dissipation nozzles 207, so that the airflow can cover the area that needs heat dissipation. Under the blocking and guidance of the protective plate 9, the airflow can effectively dissipate heat to the outer wall of the hydraulic cylinder 4, which not only improves the heat dissipation efficiency, but also reduces the heat accumulation of the equipment during operation, thereby ensuring the stable operation of the equipment.
[0036] Reference Figure 1 、 Figure 4 and Figure 5 The bottom of the adjacent side of the two protective plates 9 is fixedly connected to a rubber pad 18, and the adjacent side of the two protective plates 9 is fixedly connected to multiple curved rubber plates 17 at equal intervals; the adjacent sides of the multiple curved rubber plates 17 are each provided with a guide groove 208, and the multiple curved rubber plates 17 are arranged at equal intervals; the left rear end of the bottom plate 1 is fixedly connected to a control switch 13, and the control switch 13 is electrically connected to the swing cylinder 7 and the extraction fan 203 respectively;
[0037] Specifically, the rubber pad 18 and the arc-shaped rubber plate 17 reduce the damage of the protective plate 9 to the hydraulic cylinder 4, achieving a buffering effect. The multiple guide grooves 208 can guide the airflow of the air flow, thereby expanding the spraying area of the heat dissipation airflow. The control switch 13 is electrically connected to the swing cylinder 7 and the extraction fan 203 respectively, so that the control switch 13 can complete the opening and closing of the device.
[0038] Reference Figure 1 and Figure 3 , two mounting plates 14 are fixedly connected to the left and right sides of the bottom plate 1, and the top walls of the multiple mounting plates 14 are provided with mounting grooves 15; arc grooves 19 are provided in the middle of the top walls of the two protection plates 9, and the two arc grooves 19 are symmetrically designed; a reinforcing plate 16 is fixedly connected to the middle of the top wall of the support frame 3, and the top wall of the reinforcing plate 16 is provided with an arc surface;
[0039] Specifically, the device can be fixed and installed through the mounting plate 14 and the mounting groove 15 , the toughness of the protection plate 9 is improved through the arc groove 19 , and the supporting strength of the support frame 3 is improved through the reinforcing plate 16 .
[0040] Working principle: When protection begins, the swing cylinder 7 is started so that one end of the swing cylinder drives the swing shell rod 8 to swing, so that the protection plate 9 swings in the direction of facing or away from each other under the rotation of the swing shell rod 8. Under the rotation connection of the torsion spring, the protection plate 9 can better fit the outer wall of the hydraulic cylinder 4, so that the outer wall of the hydraulic cylinder 4 is protected and the protection effect is improved. At the same time, under the connection between the pressure-resistant shell 10 and the rubber column 11, the pressure resistance of the outer wall of the protection plate 9 is improved, thereby avoiding the deformation of the outer wall of the hydraulic cylinder 4 caused by the impact, and effectively increasing the service life of the equipment.
[0041] And by starting the extraction fan 203, the filter box 204 can extract the outside air, so that the outside air can pass through multiple filter columns 206 to remove impurity particles in the air. After completing the preliminary filtration, the airflow passes through the adsorption sponge plate 205 to remove the water vapor contained in the airflow, thereby achieving the effect of drying the airflow. Under the operation of the extraction fan 203, the airflow enters the inner cavity 202 inside the fixed shell 201, and then the airflow is sprayed through two heat dissipation nozzles 207. Under the obstruction of the protective plate 9, the airflow can dissipate heat to the outer wall of the hydraulic cylinder 4, thereby reducing the accumulation of heat when the equipment is working.
[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. An anti-shock hydraulic cylinder, comprising a base plate (1), characterized in that: The top wall of the bottom plate (1) is fixedly connected to a support frame (3), a hydraulic cylinder (4) is fixedly installed on the top wall of the support frame (3), a connecting plate (5) is fixedly connected to the front and rear sides of the inner top wall of the support frame (3), one side of the connecting plate (5) is fixedly connected to a vertical plate (6), the rear side of the vertical plate (6) is fixedly connected to a swing cylinder (7), the front end of the swing cylinder (7) is fixedly connected to a swing shell rod (8), the top wall of the swing shell rod (8) is rotatably connected to a protective plate (9) through a torsion spring, the front and rear ends of one side of the protective plate (9) are fixedly connected to a pressure-resistant shell (10), the top of one side of the pressure-resistant shell (10) is fixedly connected to a rubber column (11), the rear end of the outer wall of the hydraulic cylinder (4) is fixedly connected to a fixing ring (12), the top wall of the fixing ring (12) is provided with a heat dissipation mechanism (2), and the heat dissipation mechanism (2) is used to improve the heat dissipation effect of the hydraulic cylinder (4).
2. The anti-shock hydraulic cylinder according to claim 1, characterized in that: The heat dissipation mechanism (2) comprises a fixed shell (201), the rear side of the bottom wall of the fixed shell (201) is fixedly connected to the top wall of the fixed ring (12), the top wall of the fixed shell (201) is provided with an inner cavity (202), an extraction fan (203) is fixedly mounted on the top wall of the fixed shell (201), the top wall of the extraction fan (203) is fixedly connected to a filter box (204), an adsorption sponge plate (205) is fixedly mounted on the inner wall of the filter box (204), the top wall of the filter box (204) is connected to a plurality of filter columns (206), and the left and right sides of the bottom wall of the fixed shell (201) are both connected to heat dissipation nozzles (207).
3. The anti-shock hydraulic cylinder according to claim 1, characterized in that: The bottoms of adjacent sides of the two protection plates (9) are both fixedly connected with rubber pads (18), and the adjacent sides of the two protection plates (9) are fixedly connected with a plurality of arc-shaped rubber plates (17) at equal intervals.
4. The anti-shock hydraulic cylinder according to claim 3, characterized in that: Adjacent sides of the plurality of arc-shaped rubber plates (17) are each provided with a guide groove (208), and the plurality of arc-shaped rubber plates (17) are arranged at equal distances.
5. The anti-shock hydraulic cylinder according to claim 2, characterized in that: A control switch (13) is fixedly connected to the rear end of the left side of the base plate (1), and the control switch (13) is electrically connected to the swing cylinder (7) and the extraction fan (203) respectively.
6. The anti-shock hydraulic cylinder according to claim 1, characterized in that: Two mounting plates (14) are fixedly connected to the left and right sides of the bottom plate (1), and the top walls of the plurality of mounting plates (14) are each provided with a mounting groove (15).
7. The anti-shock hydraulic cylinder according to claim 1, characterized in that: An arc groove (19) is provided in the middle of the top wall of the two protection plates (9), and the two arc grooves (19) are symmetrically designed.
8. The anti-shock hydraulic cylinder according to claim 1, characterized in that: A reinforcing plate (16) is fixedly connected to the middle portion of the top wall of the support frame (3), and the top wall of the reinforcing plate (16) is provided with a curved surface.