Mounting tool for valve sealing ring

Abstract

The utility model belongs to the technical field of sealing ring installation equipment, and particularly relates to a valve sealing ring installation tool which comprises an extending piece, a rotating piece and an abutting piece, the extending piece comprises a hydraulic rod, the other end of the hydraulic rod is fixedly connected with a rotating column, the rotating piece is arranged outside the rotating column, the rotating piece comprises a rotating cylinder, and the rotating cylinder is rotationally connected to the rotating column in a penetrating mode. A plurality of racks are evenly and vertically fixed to the lower side of the inner wall of the rotating cylinder, the abutting part comprises a supporting ring, the supporting ring is horizontally fixed to the bottom end of the rotating column, a plurality of rotating rods and sliding frames are evenly and vertically arranged on the bottom face of the supporting ring, the top ends of the rotating rods are rotatably connected to the bottom face of the supporting ring, and upper gears are horizontally fixed to the upper sides of the rotating rods; a lower gear is horizontally fixed to the lower side of the rotating rod, and the upper gear is meshed with a plurality of racks on the inner wall of the rotating cylinder. When the valve body sealing ring is installed, the pushing component is tensioned on the valve body sealing ring through the abutting piece and the stretching piece, and the installation accuracy of the valve body sealing ring is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sealing ring installation equipment technical field, concretely relates to a valve sealing ring's installation instrument. BACKGROUND

[0002] Valve is used for opening and closing pipeline, controls flow direction, adjusts and controls the parameter of pipeline accessory of medium delivery, is equipped with the groove for installing sealing ring in the valve, sealing ring as the important component of valve, its function is to prevent medium leakage and the invasion of foreign matter. The installation precision of sealing ring is very important to the sealing performance of valve, therefore, how to accurately and effectively install sealing ring becomes an important technical problem in valve production and maintenance.

[0003] At present, the installation of valve sealing ring usually needs to be put in one by one manually, and the sealing ring needs to be pressed manually, this process not only takes a long time, but also easily leads to the fatigue of workers, affects the work efficiency. In addition, there is a certain error in the manual installation process, especially in the case of complex sealing ring shape or deep installation position, manual operation is difficult to ensure sufficient precision, thereby affecting the sealing effect.

[0004] In the prior art, a sealing ring installation mechanism for valve installation (publication number CN218428117U) has been disclosed. The device clamps the valve through the moving mechanism, and uses the lifting mechanism to push multiple sealing rings to install, which has certain convenience and efficiency.

[0005] However, the existing installation mechanism still has some deficiencies. Although the device can push the sealing ring into the valve body through the lifting mechanism, there is a lack of tensioning pushing member for the sealing ring during the installation process, which causes the sealing ring to be subjected to resistance during installation, and is prone to deformation or deviation, thereby affecting the installation precision and reducing the sealing effect. Therefore, how to design a device that can fully tension the sealing ring during installation, ensure that the sealing ring does not deform and accurately install, has become the main problem of the current technology. CONTENT OF THE UTILITY MODEL

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a valve sealing ring installation tool, which can effectively improve the installation precision of the valve sealing ring and ensure the reliability of the sealing effect.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a valve sealing ring's installation tool, including stretch piece, rotating piece and press piece, stretch piece includes hydraulic stem, and the other end fixed connection of hydraulic stem has the rotating column, the outside of rotating column is provided with rotating piece, and rotating piece includes the rotating cylinder, and the rotating cylinder is connected on rotating column through, and the inside wall downside of rotating cylinder is uniformly vertical fixed with a plurality of racks, and press piece includes the support ring, and the support ring is fixed on the bottom of rotating column, and the bottom surface of support ring is uniformly vertical provided with a plurality of rotating rods and slide frame, and the top end of rotating rod is rotatably connected on the bottom surface of support ring, and the upside of rotating rod is fixed with upper gear, and the downside of rotating rod is fixed with lower gear, and the upper gear is engaged with a plurality of racks of rotating cylinder inner wall, and the side of slide frame close to lower gear is slidably assembled with the toothed plate, and the top end of slide frame is fixed on the bottom surface of support ring, and the toothed plate is engaged with lower gear.

[0009] Further, the side of the toothed plate away from the lower gear is vertically fixed with a slide bar, and the slide bar is horizontally slidably assembled in the slide frame.

[0010] Further, one end of the hydraulic rod is fixed with a fixed disc, and the other end of the fixed disc is horizontally fixed with a locking stud, and the locking stud is used for fixedly connecting the fixed disc.

[0011] Further, the top of the rotating column is vertically fixed with a motor, and the output end of the motor is horizontally fixed with a driving gear.

[0012] Further, the top end of the rotating cylinder is vertically fixed with a toothed ring, and the toothed ring is engaged with the driving gear.

[0013] Further, the end of the slide bar is horizontally fixed with a pressing block.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] Firstly, it is mentioned in the background art that the existing valve sealing ring installation usually relies on manual operation or simple mechanical equipment, which is complicated and prone to errors, cannot ensure accurate installation of the sealing ring, leads to low installation precision, and affects the sealing performance of the valve. The traditional method also has problems such as low work efficiency and labor exhaustion. The technical scheme of the utility model introduces a combination of hydraulic control and mechanical transmission, which realizes automatic tensioning and precise installation of the sealing ring. The hydraulic rod can accurately control the tensioning degree of the sealing ring through the adjustable telescopic function, ensure its correct installation in the valve body, and avoid errors and instability caused by manual installation. This automatic operation greatly improves the installation efficiency, reduces the operation burden of the workers, and ensures higher work efficiency and safety.

[0016] Secondly, the prior art in the installation of the sealing ring lacks effective tension pusher, easy to cause uneven force of the sealing ring in the installation process, deformation or offset, thereby affecting the sealing effect. In view of this problem, the utility model discloses a mechanical transmission system through the rotating drum, rotating column, rack and pinion, realize the accurate tension of the sealing ring. The rotating drum is engaged with the rack on the rotating rod, drives the rotating rod to rotate, and then pushes the lower gear and the toothed plate to slide stably in the sliding frame, and accurately pushes the pressing block to compress the sealing ring. The tension pusher can uniformly apply pressure, avoid the deformation of the sealing ring, ensure the correct installation of the sealing ring, and improve the reliability of the valve sealing.

[0017] In addition, the installation tool in the prior art can only adapt to a specific type of valve sealing ring, and lacks strong universality. The utility model discloses an adjustable hydraulic rod and a flexible mechanical transmission device, which can adapt to sealing rings of different sizes and types, realize the rapid and accurate installation of various valve sealing rings, and improve the universality and adaptability of the device. This design not only meets the needs of different production lines, but also provides a more efficient and accurate solution for maintaining and replacing the sealing ring. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the overall structure schematic diagram of the utility model in the exploded state;

[0020] Figure 3 It is the structure schematic diagram of the stretching piece in the exploded state of the utility model;

[0021] Figure 4 It is the structure schematic diagram of the rotating piece in the exploded state of the utility model;

[0022] Figure 5 It is the structure schematic diagram of the pressing piece in the exploded state of the utility model.

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 1, stretching piece;11, hydraulic rod;111, fixed disc;112, locking stud;12, rotating column;13, motor;131, driving gear;2, rotating piece;21, rotating drum;22, gear ring;23, rack;3, pressing piece;31, support ring;311, rotating rod;32, upper gear;33, lower gear;34, sliding frame;35, toothed plate;36, sliding bar;37, pressing block. DETAILED DESCRIPTION

[0025] In order to make the purpose and advantages of the utility model more clearly, the utility model is specifically described below in combination with examples.

[0026] Reference Figures 1-5 As shown in figure, a valve sealing ring installation tool, including stretch piece 1, rotating piece 2 and pressure piece 3;Stretch piece 1 includes hydraulic rod 11, the other end of hydraulic rod 11 is fixedly connected with rotating column 12, rotating column 12 is provided with rotating piece 2 outside. Rotating piece 2 includes rotating cylinder 21, rotating cylinder 21 is rotatably connected on rotating column 12, and the inner wall of rotating cylinder 21 is uniformly vertically fixed with multiple racks 23, the uniform distribution of these racks 23 in the inner wall of rotating cylinder 21 can ensure that rotating cylinder 21 has balanced power transmission effect in the rotating process, avoids rack wear or uneven movement. Rotating column 12 is made of high-strength alloy steel (such as 45# steel), which ensures that it has sufficient wear resistance and strength under long-term work, and adapts to high-frequency working environment. Rotating cylinder 21 is made of corrosion-resistant stainless steel (such as 304 stainless steel), which has high corrosion resistance, ensuring its stability in hydraulic environment.

[0027] Pressure piece 3 includes support ring 31, support ring 31 is horizontally fixed at the bottom end of rotating column 12, and multiple rotating rods 311 and sliding frames 34 are uniformly and vertically arranged on the bottom surface of support ring 31. The top end of rotating rod 311 is rotatably connected to the bottom surface of support ring 31, the upper side of rotating rod 311 is horizontally fixed with upper gear 32, and the lower side of rotating rod 311 is horizontally fixed with lower gear 33. Upper gear 32 is engaged with multiple racks 23 on the inner wall of rotating cylinder 21, and through the interaction between rack and gear, rotating cylinder 21 is driven to rotate, so that rotating rod 311 can rotate smoothly in support ring 31. In addition, lower gear 33 drives toothed plate 35 to move transversely along the track of sliding frame 34 by engaging its tooth surface with toothed plate 35. In order to improve the precision and durability of gear engagement, upper gear 32 and lower gear 33 are made of alloy steel (such as 20CrMo), which has high hardness and wear resistance after heat treatment.

[0028] The side close to lower gear 33 of sliding frame 34 is horizontally slidably assembled with toothed plate 35, and the top end of sliding frame 34 is fixed on the bottom surface of support ring 31. Toothed plate 35 is engaged with lower gear 33, and the sliding of toothed plate 35 is driven by the rotation of gear, so as to push pressure piece 3 to tension the inner ring of sealing ring, so that the sealing ring maintains a stable installation state, avoiding loosening or deformation during installation. Sliding frame 34 is made of high-strength aluminum alloy material, which has the characteristics of light weight and high strength, can effectively reduce the weight of the system, and improve the working efficiency.

[0029] Reference Figure 2 And Figure 5As shown, the tooth plate 35 is fixed horizontally on the vertical end face of the side away from the lower gear 33, and the slide bar 36 is slidingly assembled in the slide frame 34. The design of the slide bar 36 aims to keep the tooth plate 35 stable during sliding, reduce friction, and ensure smooth movement of the tooth plate. The slide bar 36 is made of special engineering plastic (such as PA6), which has good wear resistance and low friction coefficient, can effectively prolong the service life and reduce maintenance cost.

[0030] Referring to Figure 2 and Figure 3 As shown, one end of the hydraulic rod 11 is fixed with a fixed disc 111, and the other end of the fixed disc 111 is fixed horizontally with a locking stud 112 for fixed connection with the fixed disc 111. The hydraulic rod 11 realizes the telescopic function through the hydraulic control system, can accurately control the tension degree of the sealing ring under different working conditions, and ensures that the sealing ring can be firmly installed inside the valve body. The fixed disc 111 is made of high-strength steel (such as Q235B steel), which has good structural stability and tensile strength, ensuring that it does not deform under hydraulic load.

[0031] Referring to Figure 3 and Figure 4 As shown, the top of the rotating column 12 is vertically fixed with a motor 13, and the output end of the motor 13 is horizontally fixed with a driving gear 131. The motor 13 selects an alternating current servo motor (such as a motor with model YZF90L-4), whose speed and torque can be accurately adjusted to meet different operation requirements. The driving gear 131 is engaged with the gear ring 22 at the top end of the rotating drum 21 to realize the rotation of the rotating drum 21 driven by the motor, and to drive the mechanized operation of the entire installation process. The gear ring 22 is made of wear-resistant alloy steel (such as 45# steel), which has good wear resistance after heat treatment.

[0032] Referring to Figure 5 As shown, the end of the slide bar 36 is fixed horizontally with a pressing block 37, which is made of high-temperature resistant alloy material (such as copper-based alloy), has good high-temperature resistance and high wear resistance, and can work for a long time under high load and high temperature environment. The pressing block 37 can effectively press the inner wall of the sealing ring, ensure the tension state of the sealing ring during installation, avoid the sealing ring from loosening, deforming or deviating, thereby improving the precision and reliability of the sealing ring installation.

[0033] The utility model discloses a working principle is: when using the sealing ring that needs to be installed in the valve body inside is encased in the slide 36 outside of the pressure piece 3, the motor 13 of starting one side of rotation column 12 is driven to drive gear 131 positive rotation, drive gear 131 engages the tooth ring 22 on rotating part 2, drives the rotary drum 21 to rotate on rotation column 12, the rack 23 of rotary drum 21 inner wall engages the upper gear 32 of the upper tooth on the upper portion of the upper rotating rod 311 in the support ring 31 of pressure piece 3, drives the rotating rod 311 to rotate on the support ring 31, drives the lower gear 33 to rotate, and the lower gear 33 engages the tooth plate 35 to move in the slide frame 34, and the pressure block 37 is pushed to press the inner ring wall of sealing ring and makes sealing ring tension state, then the hydraulic rod 11 of starting stretches and pushes the sealing ring of tension and inserts the valve body of installation, after installation, the motor 13 of starting one side of rotation column 12 is driven to drive gear 131 reverse rotation, drives the pressure block 37 to move away from the inner ring wall of sealing ring, and the hydraulic rod 11 is contracted, and the pressure piece 3 is pulled out of the valve body, so that the valve body sealing ring is set up, utilizes the pressure piece 3 and the extension piece 1 to the valve sealing ring tension and pushes the component of the pusher, guarantees the valve body sealing ring installation precision.

[0034] The above is only the preferred implementation of the utility model, and it should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, are implemented according to conventional means in the art, unless specifically described and limited.

Claims

1. A valve seal ring installation tool characterized by, Including stretch piece (1), rotating piece (2) and resist pressure piece (3), the stretch piece (1) includes hydraulic rod (11), the other end of the hydraulic rod (11) is fixedly connected with rotating column (12), the outside of the rotating column (12) is provided with the rotating piece (2), the rotating piece (2) includes rotating cylinder (21), the rotating cylinder (21) is connected on the rotating column (12) through, and the inner wall lower side of rotating cylinder (21) is uniformly vertically fixed with multiple racks (23), the resist pressure piece (3) includes support ring (31), the support ring (31) is fixed on the bottom end of rotating column (12), and the bottom surface of support ring (31) is uniformly vertically provided with multiple rotating rods (311) and sliding frame (34), the rotating rod (311) top end rotationally connected on the bottom surface of support ring (31), and the upper side of rotating rod (311) is fixed with upper gear (32), and the lower side of rotating rod (311) is fixed with lower gear (33), the upper gear (32) is engaged with multiple racks (23) of rotating cylinder (21) inner wall, the sliding frame (34) is close to the side of lower gear (33) and is slidably assembled with toothed plate (35), and the top of sliding frame (34) is fixed on the bottom surface of support ring (31), the toothed plate (35) is engaged with lower gear (33).

2. The valve seal installation tool of claim 1, wherein: The side of toothed plate (35) away from lower gear (33) is fixed with sliding strip (36) on the vertical end face, and sliding strip (36) is slidably assembled in sliding frame (34).

3. The valve seal installation tool of claim 1, wherein: One end of the hydraulic rod (11) is fixed with fixed disc (111), and the other end of the fixed disc (111) is fixed with locking stud (112), and the locking stud (112) is used for fixedly connecting the fixed disc (111).

4. The valve seal installation tool of claim 1, wherein: The top of the rotating column (12) is vertically fixed with motor (13), and the output end of the motor (13) is fixed with driving gear (131).

5. The valve seal installation tool of claim 4, wherein: The top of the rotating cylinder (21) is vertically fixed with gear ring (22), and the gear ring (22) is engaged with driving gear (131).

6. The valve seal installation tool of claim 2, wherein: The end of the sliding strip (36) is fixed with resist pressure block (37).

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