Hydraulic rod stand column sealing rubber ring mounting device

Abstract

The utility model relates to the technical field of hydraulic rod stand columns, in particular to a hydraulic rod stand column sealing rubber ring installation device which comprises a fixing frame, a screw rod and a fixing plate, a screw hole is formed in the top of the fixing frame, the screw rod is connected with the screw hole in a meshed mode, and a bearing is installed at the top of the fixing plate. The bottom of the screw rod is fixedly connected with an inner ring of the bearing, sliding rods are installed on the two sides of the fixing plate correspondingly, six connecting rods are welded to the bottom of the fixing plate in an annular array mode, pressing plates are installed at the bottoms of the six connecting rods, and springs are symmetrically installed on the two sides, below the pressing plates, of the interior of the fixing frame correspondingly; arc-shaped limiting plates are installed at the opposite ends of the two springs correspondingly, and movable rods are installed on the sides, away from each other, of the two arc-shaped limiting plates correspondingly. The clamping device has the advantages that the cylinder body can be clamped and fixed, uniform force is applied to the sealing rubber ring, the sealing rubber ring is pressed into the contact position of the supporting column and the cylinder body, and the sealing performance is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic rod columns, in particular to a hydraulic rod column sealing rubber ring installation device. Background Art

[0002] The hydraulic rod column mainly includes: cylinder body assembly, piston assembly, guide sleeve assembly, extension rod assembly, etc. The cylinder body is located at the outermost layer of the column and is the main body of the hydraulic cylinder. The column is mainly divided into single telescopic column, double telescopic column and mechanical extension rod column. It is the main component connecting the top beam and the base of the bracket. The column is the pressure-bearing component of the bracket. It is under high-pressure stress for a long time. In addition to having reasonable working resistance and reliable working characteristics, it must also have sufficient compressive and bending strength and good sealing performance.

[0003] The column structure needs to be installed with a sealing rubber ring to maintain the sealing. When installing the sealing rubber ring, it is necessary to apply pressure to the sealing rubber ring and press it into the contact position between the pillar and the cylinder body. When pressure is applied, the sealing rubber ring is prone to uneven force, causing the installation position to shift and affecting the sealing. Utility Model Content

[0004] The utility model aims to provide a hydraulic rod column sealing rubber ring installation device, which has the advantages of being able to clamp and fix the cylinder body, apply uniform force to the sealing rubber ring, press it into the contact position between the support and the cylinder body, and maintain the sealing performance, thereby solving the problem that the sealing rubber ring is unevenly stressed and easily skewed when installing the sealing rubber ring.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic rod column sealing rubber ring installation device, comprising a fixing frame, a screw and a fixing plate, a screw hole is opened on the top of the fixing frame, the screw and the screw hole are meshingly connected, a bearing is installed on the top of the fixing plate, the bottom of the screw is fixedly connected to the inner ring of the bearing, sliding rods are installed on both sides of the fixing plate, six connecting rods are welded in a circular array on the bottom of the fixing plate, and pressure plates are installed at the bottom of the six connecting rods, springs are symmetrically installed on both sides of the fixing frame below the pressure plate, and arc-shaped limit plates are installed on opposite ends of the two groups of springs, and movable rods are installed on the opposite sides of the two arc-shaped limit plates.

[0006] When using a hydraulic rod column sealing rubber ring installation device in the technical solution, the fixing seat is used to provide supporting force to the fixing frame, the cylinder body and the column are placed on the opposite side of the two arc-shaped limit plates inside the fixing frame, and the two arc-shaped limit plates clamp and fix the cylinder body through the elastic force of two sets of springs, and the sealing rubber ring is placed at the position where the column and the cylinder body contact, and the screw is rotated and moved in the screw hole at the top of the fixing frame by the hand wheel. The screw drives the pressure plate to descend through the fixing plate and the connecting rod, and the top of the column passes through the connecting hole of the pressure plate, and the pressure plate contacts the sealing rubber ring, and the sealing rubber ring is pressed into the inside of the contact position between the cylinder body and the column.

[0007] Preferably, a hand wheel is welded on the top of the screw rod, and the hand wheel is parallel to the top of the fixing frame. The hand wheel is used to conveniently rotate the screw rod.

[0008] Preferably, two sides of the fixing frame are provided with slide grooves, and the ends of the two slide rods that are separated from each other are slidably connected to the two slide grooves. When the fixing plate is raised or lowered, the slide rods slide in the slide grooves to reduce the shaking of the fixing plate.

[0009] Preferably, the pressing plate is provided with a connecting hole through which the top of the hydraulic rod column can pass.

[0010] Preferably, movable holes are respectively opened on both sides of the fixing frame, and the two movable rods pass through the two movable holes respectively. When the arc-shaped limiting plate moves, the movable rods move in the movable holes to reduce the shaking of the arc-shaped limiting plate.

[0011] Preferably, a distance is left between the bottom of the two arc-shaped limit plates and the bottom end of the interior of the fixing frame, so that the arc-shaped limit plates will not interfere with the bottom end of the interior of the fixing frame when moving.

[0012] Preferably, the front and rear ends of the fixing frame are connected, and fixing seats are welded at the four corners of the bottom of the fixing frame respectively. The staff can enter the fixing frame to operate, and the fixing seats provide support force for the fixing frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model arranges a screw rod, an arc-shaped limit plate and a pressure plate, and places the cylinder body and the column on the opposite side of the two arc-shaped limit plates inside the fixing frame. The two arc-shaped limit plates clamp and fix the cylinder body through the elastic force of two groups of springs, and the sealing rubber ring is placed at the position where the column and the cylinder body contact. The screw rod is rotated by a hand wheel, and the screw rod rotates and moves in the screw hole at the top of the fixing frame. The screw drives the pressure plate to descend through the fixing plate and the connecting rod, and the top of the column passes through the connecting hole of the pressure plate, and the pressure plate contacts the sealing rubber ring, and the sealing rubber ring is pressed into the inside of the contact position between the cylinder body and the column, so as to achieve the effect of clamping and fixing the cylinder body, applying uniform force to the sealing rubber ring, pressing it into the contact position between the pillar and the cylinder body, and maintaining the sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the top view structure of the pressing plate of the utility model.

[0018] In the figure: 1. fixed seat; 2. fixed frame; 3. movable rod; 4. sliding rod; 5. screw rod; 6. hand wheel; 7. bearing; 8. fixed plate; 9. connecting rod; 10. pressure plate; 11. spring; 12. arc limit plate; 13. slide groove; 14. screw hole; 15. connecting hole; 16. movable hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] Embodiment 1

[0022] like Figure 1-3 As shown, the utility model proposes a hydraulic rod column sealing rubber ring installation device, including a fixing frame 2, a screw rod 5 and a fixing plate 8. The top of the fixing frame 2 is provided with a screw hole 14, the screw rod 5 and the screw hole 14 are meshed and connected, a hand wheel 6 is welded on the top of the screw 5, the hand wheel 6 is parallel to the top of the fixing frame 2, a bearing 7 is installed on the top of the fixing plate 8, the bottom of the screw 5 is fixedly connected to the inner ring of the bearing 7, sliding rods 4 are respectively installed on both sides of the fixing plate 8, and sliding grooves 13 are respectively opened on both sides of the fixing frame 2. The ends of the two sliding rods 4 that are separated from each other are respectively slidably connected to the two sliding grooves 13, and the fixing plate 8 Six connecting rods 9 are welded in a circular array at the bottom, a pressure plate 10 is installed at the bottom of the six connecting rods 9, and a connecting hole 15 is opened in the pressure plate 10. Springs 11 are symmetrically installed on both sides of the inside of the fixed frame 2 below the pressure plate 10, and arc-shaped limit plates 12 are installed at the opposite ends of the two groups of springs 11. Movable rods 3 are installed on the opposite sides of the two arc-shaped limit plates 12. Movable holes 16 are opened on both sides of the fixed frame 2, and the two movable rods 3 pass through the two movable holes 16 respectively. The front and rear ends of the fixed frame 2 are connected, and fixed seats 1 are welded at the four corners of the bottom of the fixed frame 2.

[0023] In this embodiment, the fixing seat 1 provides supporting force for the fixing frame 2, and the cylinder body and the column are placed on the opposite side of the two arc-shaped limit plates 12 inside the fixing frame 2. The two arc-shaped limit plates 12 clamp and fix the cylinder body through the elastic force of two sets of springs 11, and the sealing rubber ring is placed at the contact position between the column and the cylinder body. The hand wheel 6 is used to rotate the screw rod 5, and the screw rod 5 rotates and moves in the screw hole 14 at the top of the fixing frame 2. The screw 5 drives the pressure plate 10 to descend through the fixing plate 8 and the connecting rod 9. The top of the column passes through the connecting hole 15 of the pressure plate 10, and the pressure plate 10 contacts with the sealing rubber ring, pressing the sealing rubber ring into the inside of the contact position between the cylinder body and the column.

[0024] Embodiment 2

[0025] like Figure 1-3 As shown, the utility model proposes a hydraulic rod column sealing rubber ring installation device. Compared with the first embodiment, this embodiment also includes: a fixing frame 2 and an arc-shaped limit plate 12, and a distance is left between the bottom of the two arc-shaped limit plates 12 and the bottom end of the fixing frame 2.

[0026] In this embodiment, due to the distance between the bottom of the arc-shaped limiting plate 12 and the bottom end of the inner part of the fixing frame 2, the arc-shaped limiting plate 12 will not interfere with the fixing frame 2 when moving.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A sealing rubber ring installation device for a hydraulic rod column, comprising a fixing frame (2), a screw (5) and a fixing plate (8), characterized in that: A screw hole (14) is provided at the top of the fixing frame (2), the screw rod (5) and the screw hole (14) are meshed and connected, a bearing (7) is installed at the top of the fixing plate (8), the bottom of the screw rod (5) is fixedly connected to the inner ring of the bearing (7), sliding rods (4) are installed on both sides of the fixing plate (8), six connecting rods (9) are welded in a circular array at the bottom of the fixing plate (8), and a pressure plate (10) is installed at the bottom of the six connecting rods (9), and springs (11) are symmetrically installed on both sides of the fixing frame (2) below the pressure plate (10), and arc-shaped limit plates (12) are installed at opposite ends of the two groups of springs (11), and movable rods (3) are installed on the opposite sides of the two arc-shaped limit plates (12).

2. A sealing rubber ring installation device for a hydraulic rod column according to claim 1, characterized in that: A hand wheel (6) is welded to the top of the screw rod (5), and the hand wheel (6) is parallel to the top of the fixing frame (2).

3. A sealing rubber ring installation device for a hydraulic rod column according to claim 1, characterized in that: Slide grooves (13) are respectively provided on both sides of the interior of the fixing frame (2), and the ends of the two slide rods (4) which are separated from each other are respectively slidably connected to the two slide grooves (13).

4. A sealing rubber ring installation device for a hydraulic rod column according to claim 1, characterized in that: The pressing plate (10) is provided with a connecting hole (15).

5. The sealing rubber ring installation device for a hydraulic rod column according to claim 1 is characterized in that: The fixing frame (2) is provided with movable holes (16) on both sides, and the two movable rods (3) pass through the two movable holes (16) respectively.

6. A sealing rubber ring installation device for a hydraulic rod column according to claim 1, characterized in that: A distance is left between the bottom of the two arc-shaped limiting plates (12) and the inner bottom end of the fixing frame (2).

7. A sealing rubber ring installation device for a hydraulic rod column according to claim 1, characterized in that: The front and rear ends of the fixing frame (2) are connected, and fixing seats (1) are respectively welded at the four corners of the bottom of the fixing frame (2).

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