Reinforced sealing device for splicing position of clean travelling crane steel plate
By using a sealing mechanism and a buffer fixing mechanism within the bushing in the sealing device at the steel plate splice of the cleanroom crane, the problem of sealing failure was solved, the reliability and stability of the seal were achieved, and the integrity of the clean environment was ensured.
Patent Information
- Application Number
- CN202520543528.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-26
AI Technical Summary
The existing sealing structure at the joints of the steel plates in the cleanroom crane has failed due to manufacturing errors, making it unable to effectively prevent the intrusion of external pollutants and posing a significant hidden danger in the production process.
The bushing employs a sealing mechanism, a buffer fixing mechanism, and self-adaptive components, including a dynamic ring seal, a fixed seal, a second spring, a positioning ring, and a pressure cap. The spring adjusts the elasticity, and the positioning ring provides support, ensuring a tight fit of the seal and preventing displacement and vibration.
It improves the reliability and stability of the seal, prevents seal failure, ensures the integrity of the clean environment, and reduces the entry of external pollutants.
Smart Images

Figure CN223908780U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to clean car steel plate connection technical field especially, it relates to clean car steel plate's splicing place reinforced sealing device. BACKGROUND
[0002] In today's highly industrialized era, many industries have put forward almost stringent requirements for the cleanliness of production environment, and clean car as an important tool for material handling in the production process of these key industries, its own sealing is related to the cleanliness of the whole production space, any slight sealing gap may become a channel for pollution invasion, causing disastrous consequences.
[0003] Common flange sealing, through bolt two flanges with sealing gasket tightly fixed on both sides of steel plate splicing, in the ideal state, the gasket is deformed under pressure to fill the gap, realize sealing, according to the actual deformation of steel plate, adjust the sealing state in time.
[0004] In the prior art, when dealing with the sealing problem of clean car steel plate splicing, it is difficult to avoid certain size error in the steel plate manufacturing process, even if it meets the conventional industrial standard, the small deviation accumulates in the splicing, which may make the mechanical sealing structure unable to be installed in place, and further lead to sealing failure, so as to effectively block the invasion of external pollutants, and lay a huge hidden danger for production link, therefore, the splicing place reinforced sealing device of clean car steel plate is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a splicing place reinforced sealing device of clean car steel plate, which aims at improving the sealing problem of part of the device in the prior art.
[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: the splicing place reinforced sealing device of clean car steel plate, including the bushing one, the inside of the bushing one is connected with the sealing mechanism, the outside of the bushing one is fixedly connected with the buffer fixing mechanism, the inside of the bushing one is fixedly connected with the self-adaptive assembly, the sealing mechanism includes the dynamic ring sealing ring, the outside of the dynamic ring sealing ring is connected in the inside of the bushing one, the outside of the dynamic ring sealing ring is connected with the fixed sealing ring, the outside of the fixed sealing ring is fixedly connected with the reinforcing assembly;
[0007] The buffer fixing mechanism includes the positioning ring, the inside of the positioning ring is fixedly connected in the outside of the bushing one, the outside of the positioning ring is fixedly connected with the spring one, the outside of the spring one is fixedly connected with the gland, the inside of the gland is fixedly connected with the connecting assembly;
[0008] The reinforcing assembly comprises a spring two, the outer side of the shaft sleeve one is fixedly connected to the outside of the fixed sealing ring, the outside of the spring two is fixedly connected with a shaft sleeve two, and the outside of the shaft sleeve two is fixedly connected to the outside of the shaft sleeve one.
[0009] As further description of the above technical scheme: the connecting assembly comprises a static ring sealing ring, the inside of the static ring sealing ring is fixedly connected to the outside of the gland, the inside of the static ring sealing ring is fixedly connected to the outside of the shaft sleeve two, the outside of the gland is fixedly connected with a connecting ring, and the outside of the connecting ring is fixedly connected to the outside of the shaft sleeve one.
[0010] As further description of the above technical scheme: the self-adapting assembly comprises an elastic sleeve ring, the outside of the shaft sleeve one is fixedly connected to the outside of the elastic sleeve ring, and the outside of the elastic sleeve ring is fixedly connected with a shaft sleeve sealing ring.
[0011] As further description of the above technical scheme: the outside of the shaft sleeve one is fixedly connected to the outside of the shaft sleeve sealing ring.
[0012] The utility model has the advantages of the following:
[0013] 1. In the utility model, the spring two can adjust the elastic force according to the position change of the fixed sealing ring, ensure the sealing pressure between the fixed sealing ring and the dynamic ring sealing ring, when the fixed sealing ring position changes due to vibration, deformation and other conditions during the operation of the travelling crane, the spring two can adjust the elastic force in time, so that the fixed sealing ring and the dynamic ring sealing ring always keep close contact, prevent sealing failure, and improve the reliability of the sealing.
[0014] 2. In the utility model, the position stability of the whole device is ensured by the positioning ring and the gland, which provides reliable support and positioning for the sealing device, prevents displacement or shaking of the sealing device during the operation of the travelling crane, ensures that each sealing component is always in the correct position, and thus ensures the stability of the sealing performance. DRAWINGS
[0015] Figure 1 It is a three-dimensional schematic view of the reinforced sealing device for the splicing position of the clean travelling crane steel plate provided by the utility model;
[0016] Figure 2 It is a structure schematic view of the connecting ring of the reinforced sealing device for the splicing position of the clean travelling crane steel plate provided by the utility model;
[0017] Figure 3 It is a structure schematic view of the gland of the reinforced sealing device for the splicing position of the clean travelling crane steel plate provided by the utility model;
[0018] Figure 4 It is Figure 3Enlarged view at A.
[0019] Legend:
[0020] 1, shaft sleeve one; 2, positioning ring; 3, spring one; 4, gland; 5, elastic sleeve ring; 6, shaft sleeve sealing ring; 7, connecting ring; 8, static ring sealing ring; 9, dynamic ring sealing ring; 10, shaft sleeve two; 11, spring two; 12, fixed sealing ring. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Referring to Figures 1 to 3 The utility model provides a kind of embodiment: the splice of clean crane steel plate is reinforced sealing device, including shaft sleeve one 1, the inside of shaft sleeve one 1 is slidably connected with sealing mechanism, the outside of shaft sleeve one 1 is fixedly connected with buffer fixed mechanism, the inside of shaft sleeve one 1 is fixedly connected with self-adapting component;
[0023] Sealing mechanism includes dynamic ring sealing ring 9, the outside of dynamic ring sealing ring 9 is slidably connected in the inside of shaft sleeve one 1, the outside of dynamic ring sealing ring 9 is slidably connected with fixed sealing ring 12, the outside of fixed sealing ring 12 is fixedly connected with reinforcing component, shaft sleeve one 1 is used to provide the carrier and support structure of installation for sealing mechanism, buffer fixed mechanism and self-adapting component;
[0024] Reinforcing component includes spring two 11, the outside of shaft sleeve one 1 is fixedly connected in the outside of fixed sealing ring 12, spring two 11 has elasticity, can automatically adjust spring force according to the position change of fixed sealing ring 12, the outside of spring two 11 is fixedly connected with shaft sleeve two 10, the outside of shaft sleeve two 10 is fixedly connected in the outside of shaft sleeve one 1, and shaft sleeve two 10 plays the role of connecting and supporting spring two 11.
[0025] Referring to Figure 1 、 Figure 2 And Figure 4The buffer fixing mechanism includes a positioning ring 2, which is internally fixedly connected to the outside of the bushing 1. A spring 3 is fixedly connected to the outside of the positioning ring 2, and a pressure cap 4 is fixedly connected to the outside of the spring 3. A connecting assembly, including a stationary ring seal 8, is internally fixedly connected to the outside of the pressure cap 4. The positioning ring 2 serves to position and support the components, and provides accurate installation positions for the spring 3 and the pressure cap 4, ensuring the relative positional relationship between the components of the buffer fixing mechanism and enabling the entire buffer fixing mechanism to operate stably. Installed on bushing 1, it provides reliable support and cushioning for the sealing device. The internal fixed connection of the stationary ring seal 8 is to the external connection of bushing 10. The stationary ring seal 8 is used to prevent external contaminants from entering the sealing device from this connection. The external fixed connection of the gland 4 is to the connecting ring 7, which is used to reinforce and stabilize the device. The external fixed connection of the connecting ring 7 is to the external connection of bushing 1. The spring 3 is used to absorb and disperse energy through its own elastic deformation, reducing the impact of vibration and impact on the sealing device. The gland 4 is used to protect the internal connecting components.
[0026] The self-adaptive assembly includes an elastic collar 5. The outer part of the bushing 1 is fixedly connected to the outer part of the elastic collar 5. The outer part of the elastic collar 5 is fixedly connected to the bushing seal 6. The outer part of the bushing 1 is fixedly connected to the outer side of the bushing seal 6. The elastic collar 5 is used to adapt to these changes and compensate for the size difference of the bushing 1 through its own elastic deformation, ensuring that the bushing 1 and the bushing seal 6 always maintain a tight fit and maintain the sealing performance around the bushing 1. The bushing seal 6 is used to form a sealing barrier on the outer side of the bushing 1 to prevent external contaminants from entering the sealing device from the outer side of the bushing 1.
[0027] Working Principle: When the cleanroom crane is operating normally, the sealing mechanism plays a key role. The dynamic ring seal 9 and the fixed seal 12 work together to form a sealing barrier, preventing external contaminants from entering the crane through the steel plate joints. The dynamic ring seal 9 can slide within the bushing 1, adapting to minor displacements and deformations during crane operation. Spring 3 absorbs the vibrations and impacts generated during crane operation. The positioning ring 2 and the pressure cap 4 ensure the stability of the entire device. The static ring seal 8 prevents contaminants from entering through the connection between the pressure cap 4 and the bushing 10. Simultaneously, the elastic collar 5 and the bushing seal 6 maintain the sealing performance around the bushing 1.
[0028] Check whether the connections of components such as connecting ring 7 and positioning ring 2 are secure. If any are loose, tighten them in time to ensure the stability and reliability of the entire reinforced sealing device. Spring 2 11 will adjust its elasticity according to the position change of the fixed sealing ring 12 to ensure the sealing pressure between the fixed sealing ring 12 and the moving ring sealing ring 9 and prevent sealing failure.
[0029] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A reinforced sealing device for the joint of clean running steel plate, comprising a shaft sleeve one (1), characterized in that: The inside of the shaft sleeve one (1) is slidably connected with a sealing mechanism, the outside of the shaft sleeve one (1) is fixedly connected with a buffer fixing mechanism, the inside of the shaft sleeve one (1) is fixedly connected with a self-adaptive assembly; the sealing mechanism comprises a dynamic ring sealing ring (9), the outside of the dynamic ring sealing ring (9) is slidably connected in the inside of the shaft sleeve one (1), the outside of the dynamic ring sealing ring (9) is slidably connected with a fixed sealing ring (12), the outside of the fixed sealing ring (12) is fixedly connected with a reinforcing assembly; The buffer fixing mechanism comprises a positioning ring (2), the inside of the positioning ring (2) is fixedly connected with the outside of the shaft sleeve one (1), the outside of the positioning ring (2) is fixedly connected with a spring one (3), the outside of the spring one (3) is fixedly connected with a gland (4), the inside of the gland (4) is fixedly connected with a connecting assembly; The reinforcing assembly comprises a spring two (11), the outside of the shaft sleeve one (1) is fixedly connected with the outside of the fixed sealing ring (12), the outside of the spring two (11) is fixedly connected with a shaft sleeve two (10), the outside of the shaft sleeve two (10) is fixedly connected with the outside of the shaft sleeve one (1).
2. The splice reinforcement and sealing device for clean running steel plate as claimed in claim 1, wherein: The connecting assembly comprises a static ring sealing ring (8), the inside of the static ring sealing ring (8) is fixedly connected with the outside of the gland (4), the inside of the static ring sealing ring (8) is fixedly connected with the outside of the shaft sleeve two (10), the outside of the gland (4) is fixedly connected with a connecting ring (7), the outside of the connecting ring (7) is fixedly connected with the outside of the shaft sleeve one (1).
3. The splice reinforcement and sealing device for clean running truck steel panels of claim 1, wherein: The self-adaptive assembly comprises an elastic sleeve ring (5), the outside of the shaft sleeve one (1) is fixedly connected with the outside of the elastic sleeve ring (5), the outside of the elastic sleeve ring (5) is fixedly connected with a shaft sleeve sealing ring (6).
4. The splice reinforcement and sealing device for clean running truck steel panels of claim 3, wherein: The outside of the shaft sleeve one (1) is fixedly connected with the outside of the shaft sleeve sealing ring (6).