A hydraulic gate cylinder with anti-bend structure

Abstract

This utility model discloses a hydraulic gate opener cylinder with an anti-bending structure, comprising: a cylinder body, the upper side of which is tightly fitted with an end cap, and the end cap and the cylinder body are connected by fastening screws arranged in an array; further comprising: an anti-bending mechanism for increasing rigidity is provided inside the cylinder body, and reinforcing ribs are provided on the outer side of the cylinder body, arranged in an array; a rigid support mechanism for connection is provided on the outer side of the cylinder body, and an annular sleeve is provided on the outer side of the cylinder body. In this hydraulic gate opener cylinder with an anti-bending structure, the piston rod is slidably connected to the cylinder body through a bushing, forming a rigid support point to distribute lateral loads and achieve an anti-bending effect. The hollow rod is slidably connected to the connecting rod, thereby limiting further radial displacement of the piston rod and avoiding uneven force due to excessive clearance, thus improving the overall anti-bending capacity of the cylinder.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic gate hoist cylinder technology, specifically a hydraulic gate hoist cylinder with an anti-bend structure. Background Technology

[0002] The hydraulic cylinder is the core actuator of a hydraulic gate hoist, and its performance directly affects the reliability, stability, and service life of the hoist. A hydraulic gate hoist is an integrated electromechanical-hydraulic device composed of a hydraulic system and hydraulic cylinders, primarily used for gate opening and closing control in water conservancy, hydropower, flood control and drainage, and river management projects. This equipment converts mechanical energy into hydraulic energy through a hydraulic pump, driving a piston to move the gate linearly, and can adapt to various working conditions such as planar gates and curved gates.

[0003] Existing hydraulic cylinder structures often experience flexural deformation under long-term high-load operation due to the following reasons: thin cylinder walls and insufficient rigidity make them prone to radial bending under lateral forces. Flexural deformation can lead to increased wear of cylinder seals, causing oil leakage and affecting the working efficiency of the hoist. An unreasonable design of the fit clearance between the piston rod and the cylinder can result in uneven stress. Structural deformation may cause the piston rod to jam, or even lead to safety accidents.

[0004] Therefore, we propose a hydraulic gate cylinder with an anti-bending structure to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this utility model is to provide a hydraulic gate hoist cylinder with an anti-bending structure to solve the problems mentioned in the background art, which are that existing cylinder structures often undergo bending deformation under long-term high-load operation due to the following reasons: the cylinder wall is thin and lacks rigidity, making it prone to radial bending under lateral force. Bending deformation will lead to accelerated wear of the cylinder seals, causing oil leakage and affecting the working efficiency of the gate hoist; the unreasonable design of the fit clearance between the piston rod and the cylinder barrel will lead to uneven force, and structural deformation may cause the piston rod to jam, or even cause safety accidents.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic cylinder for a gate opener with an anti-bend structure, comprising:

[0007] The cylinder body has its upper side tightly fitted with the end cover, and the end cover and the cylinder body are connected by fastening screws, which are arranged in an array.

[0008] Also includes:

[0009] The cylinder body is provided with an anti-bending mechanism to increase rigidity, and the cylinder body is provided with reinforcing ribs on the outside, and the reinforcing ribs are distributed in an array.

[0010] The outer side of the cylinder body is provided with a rigid support mechanism for connection, and the outer side of the cylinder body is provided with an annular sleeve.

[0011] Preferably, the anti-bending mechanism is composed of a slot, a bushing, a reinforcing rib, an annular sleeve, and a guide sleeve, and the slot is opened inside the cylinder body, and a bushing is provided inside the slot.

[0012] Preferably, the bushing has a piston rod slidably connected inside, and the piston rod is slidably connected to the end cap.

[0013] Preferably, a guide sleeve is provided on the lower side of the end cap, and the piston rod is slidably connected to the guide sleeve. An annular sleeve is provided on the outer side of the cylinder body, and the annular sleeve is located on the outer side of the reinforcing rib.

[0014] Preferably, the rigid support mechanism is composed of an annular sleeve, a hollow rod, a first bolt, a connecting rod, a connecting sleeve, and a second bolt, and a hollow rod is provided on the upper side of the annular sleeve, and the hollow rod is connected to the annular sleeve by the first bolt.

[0015] Preferably, the hollow rod is slidably connected to a connecting rod, and the upper side of the connecting rod is tightly fitted with the connecting sleeve. The connecting rod and the connecting sleeve are connected by a second bolt. Moreover, the hollow rod, the first bolt, the connecting rod and the second bolt are all symmetrical about the vertical central axis of the cylinder body.

[0016] Compared with the prior art, the beneficial effects of this utility model are: the hydraulic gate cylinder with anti-bending structure has a piston rod that is slidably connected to the cylinder body through a bushing, and the piston rod forms a rigid support point to disperse the lateral load, thereby achieving the anti-bending effect. The hollow rod is slidably connected to the connecting rod, thereby limiting the further radial displacement of the piston rod and avoiding uneven force due to excessive gap, thereby improving the overall anti-bending ability of the cylinder.

[0017] 1. It is equipped with a slot, a bushing and a piston rod. The inside of the cylinder body is slotted and a bushing is installed inside the slot. The piston rod is slidably connected to the cylinder body through the bushing. The piston rod forms a rigid support point to distribute the lateral load, thereby achieving the effect of preventing deflection.

[0018] 2. It is equipped with a cylinder body, reinforcing ribs and annular sleeve. The outer side of the cylinder body is equipped with reinforcing ribs, which improve the bending resistance by increasing the moment of inertia of the cross section.

[0019] 3. It is equipped with a hollow rod, a connecting rod, and a connecting sleeve. The hollow rod is connected to the annular sleeve by a first bolt, and the connecting rod is connected to the connecting sleeve by a second bolt. The hollow rod and the connecting rod are slidably connected, thereby limiting the further radial displacement of the piston rod and avoiding uneven force due to excessive clearance, thus improving the overall anti-bending ability of the hydraulic cylinder. Attached Figure Description

[0020] Figure 1 This is a front view structural diagram of the present invention;

[0021] Figure 2 This is an exploded structural diagram of the cylinder body, bushing, and piston rod of this utility model;

[0022] Figure 3 This is a schematic diagram of the exploded structure of the annular sleeve and connecting sleeve of this utility model;

[0023] Figure 4 This is a cross-sectional structural diagram of the main body of the hydraulic cylinder of this utility model.

[0024] In the diagram: 1. Cylinder body; 2. Groove; 3. Bushing; 4. Piston rod; 5. End cap; 6. Fastening screw; 7. Reinforcing rib; 8. Annular sleeve; 9. Hollow rod; 10. First bolt; 11. Connecting rod; 12. Connecting sleeve; 13. Second bolt; 14. Guide sleeve. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-4 As shown, this utility model provides a technical solution: a hydraulic gate cylinder with an anti-bending structure, comprising: cylinder body 1, slot 2, bushing 3, piston rod 4, end cap 5, fastening screw 6, reinforcing rib 7, annular sleeve 8, hollow rod 9, first bolt 10, connecting rod 11, connecting sleeve 12, second bolt 13, and guide sleeve 14.

[0027] Existing hydraulic cylinder structures often experience flexural deformation under long-term high-load operation due to the following reasons: thin cylinder walls and insufficient rigidity make them prone to radial bending under lateral forces. Flexural deformation can lead to increased wear of cylinder seals, causing oil leakage and affecting the working efficiency of the hoist. An unreasonable design of the clearance between the piston rod 4 and the cylinder can result in uneven stress. Structural deformation may cause the piston rod to jam, or even lead to safety accidents.

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the cylinder body 1 has a slot 2 inside. The slot 2 is located in the middle or in the area where the force is concentrated. A bushing 3 is provided inside the slot 2. The piston rod 4 is slidably connected to the cylinder body 1 through the bushing 3. The piston rod 4 forms a rigid support point to distribute the lateral load, thereby achieving the effect of preventing deflection.

[0029] In addition, a reinforcing rib 7 is provided on the outer side of the cylinder body 1. The reinforcing rib 7 can be connected to the cylinder body 1 by welding or the cylinder body 1 and the reinforcing rib 7 can be integrally formed. The reinforcing rib 7 improves the bending resistance by increasing the moment of inertia of the cross section. An annular sleeve 8 is provided on the outer side of the cylinder body 1. The annular sleeve 8 is located outside the reinforcing rib 7. The annular sleeve 8 can further reinforce the reinforcing rib 7 and can also connect the hollow rod 9. In addition, the reinforcing rib 7 enhances the rigidity of the cylinder. The guide sleeve 14 on the lower side of the end cover 5 can limit the radial swing of the piston rod 4 and effectively prevent deflection.

[0030] In addition, the end cover 5 is connected to the cylinder body 1 through the guide sleeve 14. When it is necessary to replace or repair 4, the fastening screw 6 on the upper side of the end cover 5 can be removed for replacement.

[0031] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a hollow rod 9 is provided on the upper side of the annular sleeve 8. The hollow rod 9, the first bolt 10, the connecting rod 11, and the second bolt 13 are all symmetrical about the vertical central axis of the cylinder body 1. The hollow rod 9 is threaded to the first bolt 10, and the first bolt 10 is slidably connected to the annular sleeve 8. The hollow rod 9 and the annular sleeve 8 can be fixedly connected by the first bolt 10. The connecting rod 11 is slidably connected inside the hollow rod 9, and the connecting rod 11 is threaded to the second bolt 13. The second bolt 13 is slidably connected to the connecting sleeve 12. Therefore, the connecting rod 11 and the connecting sleeve 12 can be fixedly connected by the second bolt 13. In addition, the connecting sleeve 12 is fixedly connected to the piston rod 4. When the piston rod 4 slides in the cylinder body 1, the piston rod 4 will allow the connecting rod 11 to slide in the hollow rod 9 through the connecting sleeve 12. The hollow rod 9 and the connecting rod 11 can limit the further radial displacement of the piston rod 4, avoid uneven force due to excessive clearance, and thus improve the overall anti-bending ability of the cylinder.

[0032] It should be noted that when the hollow rod 9 or the connecting rod 11 is found to be bent or deformed, it can be replaced by removing the first bolt 10 and the second bolt 13, which is a relatively simple operation.

[0033] The contents not described in detail in this specification are existing technologies known to those skilled in the art. All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A hydraulic gate cylinder with an anti-bend structure, comprising: The upper side of the cylinder body (1) is tightly fitted with the end cap (5), and the end cap (5) is connected to the cylinder body (1) by fastening screws (6), and the fastening screws (6) are arranged in an array. Its characteristic is that it further includes: The cylinder body (1) is provided with an anti-bending mechanism to increase rigidity inside, and a reinforcing rib (7) is provided on the outside of the cylinder body (1), and the reinforcing rib (7) is distributed in an array; The outer side of the cylinder body (1) is provided with a rigid support mechanism for connection, and the outer side of the cylinder body (1) is provided with an annular sleeve (8).

2. A hydraulic cylinder for a gate opener with an anti-bend structure according to claim 1, characterized in that: The anti-bending mechanism is composed of a slot (2), a bushing (3), a reinforcing rib (7), an annular sleeve (8) and a guide sleeve (14), and the slot (2) is opened inside the cylinder body (1), and the bushing (3) is provided inside the slot (2).

3. A hydraulic cylinder for a gate opener with an anti-bend structure according to claim 2, characterized in that: The bushing (3) is internally slidably connected to a piston rod (4), and the piston rod (4) is slidably connected to the end cap (5).

4. A hydraulic cylinder for opening and closing a gate with an anti-bend structure according to claim 3, characterized in that: The end cap (5) is provided with a guide sleeve (14) on its lower side, and the piston rod (4) is slidably connected to the guide sleeve (14). The cylinder body (1) is provided with an annular sleeve (8) on its outer side, and the annular sleeve (8) is located on the outer side of the reinforcing rib (7).

5. A hydraulic cylinder for a gate opener with an anti-bend structure according to claim 1, characterized in that: The rigid support mechanism is composed of an annular sleeve (8), a hollow rod (9), a first bolt (10), a connecting rod (11), a connecting sleeve (12), and a second bolt (13). The upper side of the annular sleeve (8) is provided with a hollow rod (9), and the hollow rod (9) is connected to the annular sleeve (8) by the first bolt (10).

6. A hydraulic cylinder for a gate opener with an anti-bend structure according to claim 5, characterized in that: The hollow rod (9) is internally connected to a connecting rod (11), and the upper side of the connecting rod (11) is tightly fitted with the connecting sleeve (12). The connecting rod (11) and the connecting sleeve (12) are connected by a second bolt (13). The hollow rod (9), the first bolt (10), the connecting rod (11) and the second bolt (13) are all symmetrical about the vertical central axis of the cylinder body (1).

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