Loading arm sealing cap with rotary lifting function

Abstract

The utility model relates to the technical field of crane tube sealing caps, in particular to a crane tube sealing cap with a rotary lifting function, which comprises a rubber sealing cap, a crane tube vertical tube, a rubber cover plate, an aluminum plate upper cover, a rotary height adjusting component and a reinforced support component in the cap, a crane pipe vertical pipe is slidably connected into the rubber sealing cap; a rubber cover plate is mounted at the upper end part of the rubber sealing cap; an aluminum plate upper cover is arranged at the upper end part of the rubber cover plate; a rotating height adjusting assembly is arranged above the aluminum plate upper cover; and an in-cap reinforced sealing assembly is arranged in the rubber sealing cap. The telescopic cylinder can be fixed through the fixed sleeving plate, and the sliding wheel at the output end of the telescopic cylinder is clamped in the limiting sliding groove, so that the sliding wheel can drive the whole rubber sealing cap to perform height lifting adjustment, and the height of the rubber sealing cap is adjusted in the vertical direction, so that the height of tank openings of different types of tank trucks can be adjusted in the vertical direction. The sealing device can be accurately matched with tank openings of various heights, and the sealing tightness is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of loading arm sealing caps, in particular to a loading arm sealing cap with rotary lifting function. Background Technique

[0002] The loading arm sealing cap is a device used to seal the tank mouth of a tank truck, usually installed at the end of the loading arm. Its main function is to prevent the leakage of liquid or gas, ensuring the safety and environmental protection of the loading and unloading process. With the increasingly strict environmental protection regulations, the requirements of various industries for preventing oil and gas leakage and reducing the emission of volatile organic compounds are constantly increasing. Therefore, the requirements for the loading arm sealing cap are also constantly improving.

[0003] When the existing loading arm sealing cap is in use, its overall structure is mostly a fixed structure, which cannot be rotated and lifted according to the needs during use, resulting in poor overall applicability.

[0004] Therefore, there is an urgent need to set up a structure that can be lifted and rotated according to the use needs, solving the problem of poor adaptability of the overall fixed structure. Summary of the Utility Model

[0005] In order to overcome the problem that during the use of the loading arm sealing cap, its overall structure is mostly a fixed structure, which cannot be rotated and lifted according to the needs during use, resulting in poor docking flexibility and inability to meet different connection requirements.

[0006] The technical solution of the utility model is: a loading arm sealing cap with rotary lifting function, including a rubber sealing cap, a loading arm vertical pipe, a rubber cover plate, an aluminum plate upper cover, a rotary height adjustment component and an internal strengthening support component of the cap; the loading arm vertical pipe is slidably connected inside the rubber sealing cap; the rubber cover plate is installed at the upper end of the rubber sealing cap; the aluminum plate upper cover is arranged at the upper end of the rubber cover plate; the rotary height adjustment component is arranged above the aluminum plate upper cover; the internal strengthening sealing component is arranged inside the rubber sealing cap; the rotary height adjustment component includes a fixed socket plate and a telescopic cylinder; the outer end of the loading arm vertical pipe is fixedly connected with the fixed socket plate; the telescopic cylinder is connected through the fixed socket plate; the output end of the telescopic cylinder is fixedly connected with a sliding wheel.

[0007] Preferably, during the use of the loading arm sealing cap, the fixed socket plate in the rotary height adjustment assembly can fix the telescopic cylinder. The sliding wheel at the output end of the telescopic cylinder is clamped in the limit chute, so that it can drive the entire rubber sealing cap to adjust the height. By adjusting the height of the rubber sealing cap in the vertical direction, when facing the tank mouth heights of different types of tank trucks, the rubber sealing cap can be accurately matched with the tank mouths of various heights to ensure the tightness of the seal. When the whole rubber sealing cap is rotated, the sliding wheel rotates in the limit chute, playing a role in adjusting the overall angle of the rubber sealing cap. The connecting patch and the elastic rubber sheet in the limit chute can block the areas not passed by the sliding wheel, reducing the intrusion of dust and other impurities. The steel plate skeleton in the internal strengthening support assembly of the cap has a shape similar to that of the rubber sealing cap body, but is smaller than the rubber sealing cap, which can strengthen the internal support force. By using the soft support effect of the sponge filler layer, the sealing performance can be enhanced. The inner lining of PVC raw material film can increase the anti-corrosion performance inside the cap and improve the overall service life.

[0008] Preferably, the rotary height adjustment assembly further includes a limit chute; the sliding wheel is slidably connected to the inside of the limit chute. When the sliding wheel rotates the rubber sealing cap, it can rotate in the limit chute, playing a role in restricting the rotation angle.

[0009] Preferably, the rotary height adjustment assembly further includes a connecting patch; the connecting patches are fixedly connected to both ends of the inner wall of the limit chute. The connecting patch can fix the elastic rubber sheet, preventing impurities from entering the area in the limit chute where the sliding wheel does not pass.

[0010] Preferably, the rotary height adjustment assembly further includes an elastic rubber sheet; the elastic rubber sheet is fixedly connected to the lower end of the connecting patch; the cross-sectional view of the elastic rubber sheet is semi-circular. When the sliding wheel passes, it will push open the elastic rubber sheet by itself.

[0011] Preferably, the internal strengthening support assembly of the cap includes a steel plate skeleton and a sponge filler layer; the steel plate skeleton is fixedly connected to the inner wall of the rubber sealing cap; a sponge filler layer is arranged between the steel plate skeleton and the rubber sealing cap, and the steel plate skeleton can strengthen the support effect inside the cap.

[0012] Preferably, the internal strengthening support assembly of the cap further includes an inner lining of PVC raw material film; an inner lining of PVC raw material film for improving the anti-corrosion performance is arranged at the inner side end of the steel plate skeleton. The anti-corrosion performance of the inner lining of PVC raw material film can improve the overall service life.

[0013] Preferably, a locknut is provided on the upper cover of the aluminum plate; an anti-static air replenishing valve is provided at the upper end of the upper cover of the aluminum plate; two observation windows are provided at the upper end of the upper cover of the aluminum plate, and are installed on the upper end of the closed cover through a glass sight glass. Therefore, when it is necessary to observe the liquid level, only need to irradiate one of the observation windows with an explosion-proof flashlight, and the liquid level can be observed through one observation window. When the closed cover is locked and unloading oil, since the tank is in negative pressure, air enters through the anti-static air replenishing valve, thus ensuring the smooth progress of unloading. When the tank is in positive pressure, the oil and gas will not escape.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. During the use of the swivel joint sealing cap, the inclined edge of the rubber cover plate can timely drain the water droplets on the surface, preventing them from penetrating into the cap. The fixed socket plate in the rotating height adjustment assembly can fix the telescopic cylinder, and the sliding wheel at the output end of the telescopic cylinder is clamped in the limit sliding groove, so that it can drive the entire rubber sealing cap to adjust the height. By adjusting the height of the rubber sealing cap in the vertical direction, when facing the tank mouth heights of different types of tank trucks, the rubber sealing cap can be accurately matched with the tank mouths of various heights to ensure the tightness of the seal;

[0016] 2. Rotate the whole rubber sealing cap, and the sliding wheel rotates in the limit sliding groove, playing a role in adjusting the overall angle of the rubber sealing cap. The connecting patch and elastic rubber sheet in the limit sliding groove can block the places not passed by the sliding wheel, reducing the intrusion of dust and other impurities;

[0017] 3. The steel plate skeleton has a shape similar to that of the rubber sealing cap body, but is smaller than the rubber sealing cap, which can strengthen the internal supporting force. Then, by using the soft supporting effect of the sponge filler layer, the sealing performance can be enhanced. Lining with a PVC raw material film can increase the anti-corrosion performance inside the cap and improve the overall service life. Description of the Drawings

[0018] Figure 1 The three-dimensional structure diagram of the swivel joint sealing cap of the present utility model is shown;

[0019] Figure 2 The three-dimensional structure diagram of the telescopic cylinder of the swivel joint sealing cap of the present utility model is shown;

[0020] Figure 3 The three-dimensional structure diagram of the limit sliding groove of the swivel joint sealing cap of the present utility model is shown;

[0021] Figure 4 The Figure 3 enlarged three-dimensional structure diagram of part A in the present utility model is shown;

[0022] Figure 5The figure shows a three-dimensional schematic diagram of the inner lining PVC raw material film of the loading arm sealing cap of the present utility model.

[0023] Explanation of reference numerals in the drawings: 1. Rubber sealing cap; 2. Loading arm vertical pipe; 3. Rubber cover plate; 4. Aluminum plate upper cover; 5. Locknut; 6. Anti-static air supplement valve; 7. Observation window; 201. Fixed socket plate; 202. Telescopic cylinder; 203. Sliding wheel; 204. Limit sliding groove; 205. Connecting patch; 206. Elastic rubber sheet; 301. Steel plate skeleton; 302. Sponge filler layer; 303. Inner lining PVC raw material film. Specific implementation mode

[0024] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0025] Please refer to Figures 1-5 , the present utility model provides an embodiment: a loading arm sealing cap with a rotary lifting function, including a rubber sealing cap 1, a loading arm vertical pipe 2, a rubber cover plate 3, an aluminum plate upper cover 4, a rotary height adjustment component and a cap inner strengthening support component; the loading arm vertical pipe 2 is slidably connected inside the rubber sealing cap 1; a rubber cover plate 3 is installed at the upper end of the rubber sealing cap 1; an aluminum plate upper cover 4 is arranged at the upper end of the rubber cover plate 3; a rotary height adjustment component is arranged above the aluminum plate upper cover 4; a cap inner strengthening sealing component is arranged inside the rubber sealing cap 1; the rotary height adjustment component includes a fixed socket plate 201 and a telescopic cylinder 202; the fixed socket plate 201 is fixedly connected to the outer end of the loading arm vertical pipe 2; the telescopic cylinder 202 is connected through the fixed socket plate 201; the output end of the telescopic cylinder 202 is fixedly connected to a sliding wheel 203, and a locknut 5 is arranged on the aluminum plate upper cover 4; an anti-static air supplement valve 6 is arranged at the upper end of the aluminum plate upper cover 4; two observation windows 7 are opened at the upper end of the aluminum plate upper cover 4, and are installed on the upper end of the closed cover plate through a glass sight glass. Therefore, when it is necessary to observe the liquid level, only need to irradiate one of the observation windows 7 with an explosion-proof flashlight, and the liquid level can be observed through one observation window 7. When the closed cover is locked and unloading oil, since the tank is in negative pressure, air enters through the anti-static air supplement valve 6, so as to ensure the smooth progress of unloading. When the tank is in positive pressure, the oil and gas will not escape.

[0026] Please refer to Figures 2-4, in this embodiment, the rotary height adjustment assembly further includes a limit sliding groove 204; the sliding wheel 203 is slidably connected to the inside of the limit sliding groove 204. When the sliding wheel 203 rotates the rubber sealing cap 1, it can rotate in the limit sliding groove 204, playing a role in limiting the rotation angle. The rotary height adjustment assembly further includes a connecting patch 205; connecting patches 205 are fixedly connected to both ends of the inner wall of the limit sliding groove 204. The connecting patch 205 can fix the elastic rubber sheet 206, preventing impurities from entering the area where the sliding wheel 203 does not pass in the limit sliding groove 204. The rotary height adjustment assembly further includes an elastic rubber sheet 206; the elastic rubber sheet 206 is fixedly connected to the lower end of the connecting patch 205; the cross-sectional view of the elastic rubber sheet 206 is semi-circular. When the sliding wheel 203 passes by, it will automatically push aside the elastic rubber sheet 206.

[0027] Please refer to Figure 5 , in this embodiment, the inner cap reinforcement support assembly further includes an inner lining PVC raw material film 303; an inner lining PVC raw material film 303 for improving the corrosion resistance is arranged at the inner side end of the steel plate skeleton 301. The corrosion resistance of the inner lining PVC raw material film 303 can improve the overall service life.

[0028] When working, first, the inclined edge of the rubber cover plate 3 can drain the water droplets on the surface in time, preventing them from penetrating into the cap. The fixed socket plate 201 in the rotary height adjustment assembly can fix the telescopic cylinder 202. The sliding wheel 203 at the output end of the telescopic cylinder 202 is clamped in the limit sliding groove 204, so that it can drive the entire rubber sealing cap 1 to adjust the height. By adjusting the height of the rubber sealing cap 1 in the vertical direction, when facing the tank mouth heights of different types of tank trucks, by raising and lowering the rubber sealing cap 1, it can accurately match the tank mouths of various heights, ensuring the tightness of the seal;

[0029] Then, by rotating the entire rubber sealing cap 1, the sliding wheel 203 rotates in the limit sliding groove 204, playing a role in adjusting the overall angle of the rubber sealing cap 1. The connecting patch 205 and the elastic rubber sheet 206 in the limit sliding groove 204 can block the places where the sliding wheel 203 does not pass, reducing the intrusion of dust and other impurities.

[0030] Finally, the shape of the steel plate skeleton 301 is similar to that of the rubber sealing cap 1, but smaller than the rubber sealing cap 1, which can strengthen the internal support force. By using the soft support effect of the sponge filler layer 302, the sealing performance can be enhanced. The inner lining PVC raw material film 303 can increase the corrosion resistance inside the cap and improve the overall service life.

[0031] Through the above steps, the docking flexibility can be improved to meet the connection requirements at different angles. By fixing the socket plate 201, the telescopic cylinder 202 can be fixed. The sliding wheel 203 at the output end of the telescopic cylinder 202 is clamped in the limit chute 204, so that it can drive the entire rubber sealing cap 1 to adjust the height. By adjusting the height of the rubber sealing cap 1 in the vertical direction, when facing the heights of tank mouths of different types of tank trucks, by lifting the rubber sealing cap 1, it can accurately match the tank mouths of various heights to ensure the tightness of the seal.

[0032] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the gist of the present invention.

Claims

1. A crane pipe sealing cap with a rotating lifting function, comprising a rubber sealing cap (1); characterized in that: It also comprises a crane pipe vertical pipe (2), a rubber cover plate (3), an aluminum plate upper cover (4), a rotation height adjustment component and a cap inner strengthening support component; the crane pipe vertical pipe (2) is slidably connected inside the rubber sealing cap (1); the rubber cover plate (3) is installed on the upper end of the rubber sealing cap (1); the aluminum plate upper cover (4) is arranged on the upper end of the rubber cover plate (3); a rotation height adjustment component is arranged above the aluminum plate upper cover (4); the rubber sealing cap (1) is provided with a cap inner strengthening sealing component; the rotation height adjustment component comprises a fixed sleeve plate (201) and a telescopic cylinder (202); the outer end of the crane pipe vertical pipe (2) is fixedly connected to the fixed sleeve plate (201); the fixed sleeve plate (201) is connected to the telescopic cylinder (202) in a through-type manner inside; the output end of the telescopic cylinder (202) is fixedly connected to a sliding wheel (203).

2. The sealing cap of the crane pipe with the rotating lifting function according to claim 1 is characterized in that: The rotary height adjustment component also includes a limiting slide groove (204); the sliding wheel (203) is slidably connected to the inside of the limiting slide groove (204).

3. The sealing cap of the crane pipe with the rotating lifting function according to claim 2 is characterized in that: The rotary height adjustment component also includes a connecting patch (205); both ends of the inner wall of the limiting slide groove (204) are fixedly connected with the connecting patch (205).

4. The sealing cap of the crane pipe with the rotating lifting function according to claim 3 is characterized in that: The rotary height adjustment component also includes an elastic rubber sheet (206); the elastic rubber sheet (206) is fixedly connected to the lower end of the connecting patch (205); and the cross-sectional view of the elastic rubber sheet (206) is semi-arc-shaped.

5. The sealing cap of the crane pipe with the rotating lifting function according to claim 1 is characterized in that: The cap inner reinforcement support assembly comprises a steel plate frame (301) and a sponge filler layer (302); the steel plate frame (301) is fixedly connected to the inner wall of the rubber sealing cap (1); and the sponge filler layer (302) is arranged between the steel plate frame (301) and the rubber sealing cap (1).

6. The sealing cap of the crane pipe with the function of rotating and lifting according to claim 5 is characterized in that: The cap inner reinforcing support assembly further comprises an inner lining PVC raw material film (303); the inner side end of the steel plate skeleton (301) is provided with an inner lining PVC raw material film (303) for improving corrosion resistance.

7. The sealing cap of the crane pipe with the rotating lifting function according to claim 1 is characterized in that: The upper cover (4) of the aluminum plate is provided with a locking nut (5); the upper end of the upper cover (4) of the aluminum plate is provided with an anti-static air supply valve (6); and the upper end of the upper cover (4) of the aluminum plate is provided with two observation windows (7).

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