Tank car top cover structure

Abstract

The utility model provides a tank car top cover structure, belongs to the technical field of tank car top covers, and aims to solve the problem that a worker needs to climb to the top of a tank body to open a top cover when the top cover needs to be opened. Comprising a cylinder; a sealing frame is fixedly arranged on the outer side of the top of the barrel; a driving assembly is fixedly arranged on the outer side of the sealing frame, and an auxiliary structure is fixedly arranged on the outer side of the sealing frame. A top cover assembly is movably arranged at the top of the sealing frame; by arranging the air cylinder, the connecting base and the driving arm, the driving arm can drive the cover body to rotate around the fixing shaft to be opened or closed through the rotating arm, the connector and the mounting base; meanwhile, the moving range of the cover body can be limited through a limiting block, a rubber strip, a locking block A and a locking block B; when the cover body needs to be opened, the phenomenon that a worker needs to climb to the top of the tank body to open the cover body is avoided; and therefore, the convenience and safety of opening and closing the top cover are enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tank truck roofs, and more specifically, relates to a tank truck roof structure. Background Art

[0002] A tank truck is a transport vehicle with a tank-shaped body, used to transport various liquids, liquefied gases, powdered goods, etc. A top cover is provided on the top of the tank truck tank body, and the top cover can be opened to load various liquids, liquefied gases and powdered goods into the tank body.

[0003] The existing tank truck top cover is usually fixed with a tank cover lifting ring. However, when the top cover needs to be opened, the staff needs to climb to the top of the tank body to open the top cover by using the tank cover lifting ring. This results in a time-consuming and labor-intensive climbing process and poses certain safety hazards. Utility Model Content

[0004] In order to solve the above technical problems, the present invention provides a tank truck roof structure to solve the problem proposed in the above background technology that when the roof needs to be opened, the staff need to climb to the top of the tank body to open the roof, which is time-consuming, labor-intensive and has certain safety hazards.

[0005] The utility model provides a tank truck roof structure, which is achieved by the following specific technical means:

[0006] A tank truck roof structure, comprising a cylinder; the cylinder is fixedly mounted inside the top side of the tank truck tank, and a sealing frame is fixedly arranged on the outside of the top of the cylinder; a retaining ring is slidably arranged inside the sealing frame, and a spring member is arranged between the bottom of the retaining ring and the inside of the sealing frame, and the spring members are arranged in an annular array; a sealing ring is fixedly arranged on the top of the retaining ring, and the top of the sealing ring is arranged in an arc shape, and the sealing ring is slidably arranged on the top of the sealing frame in a penetrating manner; a support arm is fixedly arranged on the outside of the sealing frame, and a fixed shaft is fixedly arranged at the end of the support arm, and a rotating arm is rotatably arranged on the outside of the fixed shaft;

[0007] A driving assembly is fixedly arranged between the outer side of the sealing frame and the outer side of the rotating arm, and an auxiliary structure is fixedly arranged on the outer side of the sealing frame; a top cover assembly is movably arranged between the top of the sealing frame and the top of the cylinder.

[0008] In at least some embodiments, a connecting head is fixedly provided at the end of the rotating arm, and the interior of the connecting head is set as a hollow structure; a threaded barrel is fixedly provided inside the top and bottom sides of the connecting head, and bolts are provided inside the threaded barrel through threaded connection, and the bolts are symmetrically provided in two groups.

[0009] In at least some embodiments, three groups of locking blocks A are evenly arranged and fixed on the outer side of the sealing frame, and the main body of the locking block A is set to be an inverted L shape, and the bottom side of the top of the locking block A is chamfered.

[0010] In at least some embodiments, the auxiliary structure includes: a load-bearing plate, a limit block and a rubber strip; the load-bearing plate is fixedly arranged on the outside of the sealing frame, and the load-bearing plate is arranged as an arc structure, and the top of the load-bearing plate is flush with the top of the sealing frame; the limit block is fixedly arranged at the top side end of the load-bearing plate; the rubber strip is fixedly arranged on the inside of the limit block.

[0011] In at least some embodiments, the driving assembly includes: a fixed seat, a cylinder, a connecting seat and a driving arm; the fixed seat is fixedly arranged on the outside of the sealing frame; the cylinder is rotatably arranged on the outside of the fixed seat; the connecting seat is fixedly arranged on the outside of the telescopic end of the cylinder; one end of the driving arm is rotatably arranged on the inside of the connecting seat, and the other end of the driving arm is fixedly connected to the rotating arm, and a V-shaped structure is formed between the driving arm and the rotating arm.

[0012] In at least some embodiments, the top cover assembly includes: a mounting seat, a circular hole and a cover body; the mounting seat is movably arranged on the inner side of the connecting head; the circular hole is opened in a through-type manner inside the mounting seat, and a bolt is movably arranged inside the circular hole; the cover body is fixed to the bottom end side of the mounting seat by welding, and the bottom of the cover body is fitted with the top of the sealing frame; the top edge of the cover body is fitted with the bottom side of the top of the locking block A, and when the cover body is opened, the outer side of the cover body is fitted with the surface of the rubber strip.

[0013] In at least some embodiments, the top cover assembly further includes: reinforcing ribs, a sealing groove and a locking block B; the reinforcing ribs are integrally arranged on the inner side of the bottom of the cover body; the sealing groove is opened inside the bottom side of the cover body, and a sealing ring is movably arranged inside the sealing groove; the locking blocks B are evenly arranged and fixed on the outer side of the cover body, and the locking block B is set in an L shape; a chamfer is opened on the top side of the bottom of the locking block B, and the top side of the bottom of the locking block B fits with the bottom of the sealing frame.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In the utility model, by providing a cylinder, a connecting seat and a driving arm, when the telescopic end of the cylinder is extended or retracted, the driving arm can drive the cover body to rotate around the fixed axis to open or close through the rotating arm, the connecting head and the mounting seat; at the same time, the limit block and the rubber strip as well as the locking block A and the locking block B can be used to limit the movement range of the cover body; this is conducive to ensuring the accuracy of the opening or closing position of the cover body; when the cover body needs to be opened, it can avoid the phenomenon that the staff needs to climb to the top of the tank body to open the cover body; thereby enhancing the convenience and safety of the top cover when opening and closing.

[0016] 2. In the present invention, by providing a spring member, a retaining ring and an arc-shaped structure on the top of the sealing ring, when the cover is opened, the sealing ring can automatically slide into the interior of the sealing frame using the top arc-shaped structure; when the cover is closed, the sealing ring can automatically slide into the sealing groove for sealing using the spring member and the retaining ring; thereby, the sealing effect at the cover can be ensured while the cover is opened conveniently, which is beneficial to enhancing the sealing performance and practicality of the tank truck top cover structure.

[0017] 3. In the present invention, by providing the chamfered bottom side of the top of the locking block A and the chamfered top side of the bottom of the locking block B, when the cover is closed, the locking block A and the locking block B can use the chamfered structure to apply a downward force to the cover; thereby facilitating the closing effect of the cover; by using the mutual cooperation of the bolt, the threaded barrel and the round hole, the mounting base can be quickly fixed to the inside of the connector, which is conducive to the disassembly and maintenance of the cover and helps to ensure the service life of the cover. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 It is a schematic diagram of the upper surface structure of the sealing frame of the utility model.

[0020] Figure 3 It is a schematic cross-sectional structural diagram of the sealing frame of the present utility model.

[0021] Figure 4 It is a structural diagram of the drive assembly of the utility model.

[0022] Figure 5 It is a schematic diagram of the lower surface structure of the cover body of the present invention.

[0023] Figure 6 It is a structural schematic diagram of the utility model in the open state of the cover body.

[0024] In the figure, the corresponding relationship between component names and drawing numbers is as follows:

[0025] 1. Cylinder; 101. Sealing frame; 102. Support arm; 103. Fixed shaft; 104. Rotating arm; 105. Connector; 106. Threaded cylinder; 107. Bolt; 108. Locking block A; 109. Retaining ring; 1010. Sealing ring;

[0026] 2. Auxiliary structure; 201. Load-bearing plate; 202. Limit block; 203. Rubber strip;

[0027] 3. Driving assembly; 301. Fixing seat; 302. Cylinder; 303. Connecting seat; 304. Driving arm;

[0028] 4. Top cover assembly; 401. Mounting seat; 402. Round hole; 403. Cover body; 404. Reinforcement rib; 405. Sealing groove; 406. Locking block B. DETAILED DESCRIPTION

[0029] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples.

[0030] Example 1:

[0031] As attached Figure 1 To the attached Figure 6 As shown:

[0032] The utility model provides a tank truck roof structure, comprising a cylinder 1; the cylinder 1 is fixedly installed inside the top side of the tank truck tank, and a sealing frame 101 is fixedly provided on the outer side of the top of the cylinder 1; a retaining ring 109 is slidably provided inside the sealing frame 101, and a spring member is provided between the bottom of the retaining ring 109 and the inside of the sealing frame 101, and the spring members are arranged in an annular array; a sealing ring 1010 is fixedly provided on the top of the retaining ring 109, and the top of the sealing ring 1010 is arranged in an arc shape, and the sealing ring 1010 is slidably provided on the top of the sealing frame 101 in a penetrating manner; a support arm 102 is fixedly provided on the outer side of the sealing frame 101, and a fixed shaft 103 is fixedly provided on the end of the support arm 102, and a rotating arm 104 is rotatably provided on the outer side of the fixed shaft 103;

[0033] In the embodiment of the present disclosure, a driving assembly 3 is fixedly provided between the outer side of the sealing frame 101 and the outer side of the rotating arm 104, and an auxiliary structure 2 is fixedly provided on the outer side of the sealing frame 101; a top cover assembly 4 is movably provided between the top of the sealing frame 101 and the top of the cylinder 1; the auxiliary structure 2 includes: a load-bearing plate 201, a limit block 202 and a rubber strip 203; the load-bearing plate 201 is fixedly provided on the outer side of the sealing frame 101, and the load-bearing plate 201 is provided as an arc structure, and the top of the load-bearing plate 201 is flush with the top of the sealing frame 101; the limit block 202 is fixedly provided at the top side end of the load-bearing plate 201; the rubber strip 203 is fixedly provided on the inner side of the limit block 202; the driving assembly 3 includes: a fixing seat 301, a cylinder 302, a connecting seat 303 and a driving arm 304; the fixing seat 301 is fixedly arranged on the outside of the sealing frame 101; the cylinder 302 is rotatably arranged on the outside of the fixed seat 301; the connecting seat 303 is fixedly arranged on the outside of the telescopic end of the cylinder 302; one end of the driving arm 304 is rotatably arranged on the inside of the connecting seat 303, and the other end of the driving arm 304 is fixedly connected to the rotating arm 104, and a V-shaped structure is formed between the driving arm 304 and the rotating arm 104; its specific function is: by providing a spring part, a retaining ring 109 and a top arc-shaped structure of the sealing ring 1010, when the cover body 403 is opened, the sealing ring 1010 can automatically slide into the inside of the sealing frame 101 using the top arc-shaped structure; when the cover body 403 is closed, the sealing ring 1010 can automatically slide into the sealing groove 405 for sealing using the spring part and the retaining ring 109.

[0034] Example 2:

[0035] As attached Figure 4 With attached Figure 5 As shown: On the basis of embodiment 1, a connector 105 is fixedly provided at the end of the rotating arm 104, and the interior of the connector 105 is set as a hollow structure; a threaded barrel 106 is fixedly provided on the top and bottom sides of the connector 105, and a bolt 107 is provided inside the threaded barrel 106 through a threaded connection, and two groups of bolts 107 are symmetrically provided; the top cover assembly 4 includes: a mounting seat 401, a circular hole 402 and a cover body 403; the mounting seat 401 is movably provided on the inner side of the connector 105; the circular hole 402 is opened in the mounting seat 401 in a through-type manner, and the circular hole A bolt 107 is movably provided inside 402; the cover body 403 is fixed to the bottom end side of the mounting seat 401 by welding, and the bottom of the cover body 403 fits with the top of the sealing frame 101; the top edge of the cover body 403 fits with the bottom side of the top of the locking block A108, and when the cover body 403 is opened, the outer side of the cover body 403 fits with the surface of the rubber strip 203; its specific function is: by utilizing the mutual cooperation of the bolt 107, the threaded barrel 106 and the circular hole 402, the mounting seat 401 can be quickly fixed to the inside of the connector 105, which is conducive to the disassembly and maintenance of the cover body 403.

[0036] Example 3:

[0037] As attached Figure 2 With attached Figure 5 As shown: On the basis of the first and second embodiments, three groups of locking blocks A108 are evenly arranged and fixed on the outside of the sealing frame 101, and the main body of the locking block A108 is set to an inverted L shape, and the bottom side of the top of the locking block A108 is chamfered; the top cover assembly 4 also includes: reinforcing ribs 404, sealing grooves 405 and locking blocks B406; the reinforcing ribs 404 are integrally arranged on the inner side of the bottom of the cover body 403; the sealing grooves 405 are opened inside the bottom side of the cover body 403, and a sealing ring 1010 is movably set inside the sealing grooves 405; the locking block B 406 are evenly arranged and fixed on the outside of the cover body 403, and the locking block B406 is set to be L-shaped; a chamfer is provided on the top side of the bottom of the locking block B406, and the top side of the bottom of the locking block B406 fits with the bottom of the sealing frame 101; its specific function is: by providing a chamfer on the bottom side of the top of the locking block A108 and a chamfer on the top side of the bottom of the locking block B406, when the cover body 403 is closed, the locking block A108 and the locking block B406 can use the chamfer structure to apply a downward force to the cover body 403; thereby, it is beneficial to ensure the closing effect of the cover body 403.

[0038] The specific usage and function of this embodiment are as follows:

[0039] When the cover 403 is opened, the telescopic end of the cylinder 302 is shortened, so that the connecting seat 303 drives the rotating arm 104 to rotate around the fixed axis 103 through the driving arm 304, so that the rotating arm 104 drives the cover 403 to rotate and open around the fixed axis 103 through the connecting head 105 and the mounting seat 401; when the cover 403 is opened, the cover 403 applies pressure to the top of the sealing ring 1010, so that the sealing ring 1010 slides into the inside of the sealing frame 101 using the top arc structure, and when the outer side of the cover 403 fits with the outer side of the rubber strip 203, it indicates that the cover 403 is fully opened; when the cover 403 needs to be closed, the telescopic end of the cylinder 302 is extended, The cover body 403 rotates in the opposite direction around the fixed axis 103 to close; when the cover body 403 is closed, the locking block A108 and the locking block B406 use the chamfered structure to apply a downward force to the cover body 403, so that the bottom of the cover body 403 fits tightly with the top of the sealing frame 101; when the outer side of the cover body 403 fits with the inner side of the locking block A108, it indicates that the cover body 403 is completely closed; at the same time, the retaining ring 109 uses the bottom spring part to drive the sealing ring 1010 to slide into the sealing groove 405, so that the cover body 403 and the sealing frame 101 are re-sealed; by using the mutual cooperation of the bolt 107, the threaded barrel 106 and the circular hole 402, the mounting seat 401 can be quickly fixed to the inside of the connector 105, which is convenient for disassembly, maintenance and replacement of the cover body 403.

Claims

1. A tank car roof structure, characterized in that: include: Cylinder (1); the cylinder (1) is fixedly installed inside the top side of the tank body of the tank truck, and a sealing frame (101) is fixedly provided on the outside of the top of the cylinder (1); a retaining ring (109) is slidably provided inside the sealing frame (101), and a spring member is provided between the bottom of the retaining ring (109) and the inside of the sealing frame (101), and the spring member is provided in an annular array; a sealing ring (1010) is fixedly provided on the top of the retaining ring (109), and the top of the sealing ring (1010) is arranged in an arc shape, and the sealing ring (1010) is slidably provided on the top of the sealing frame (101) in a penetrating manner; a supporting arm (102) is fixedly provided on the outside of the sealing frame (101), and a fixed shaft (103) is fixedly provided at the end of the supporting arm (102), and a rotating arm (104) is rotatably provided on the outside of the fixed shaft (103); A driving assembly (3) is fixedly arranged between the outer side of the sealing frame (101) and the outer side of the rotating arm (104), and an auxiliary structure (2) is fixedly arranged on the outer side of the sealing frame (101); and a top cover assembly (4) is movably arranged between the top of the sealing frame (101) and the top of the cylinder (1).

2. The tank car roof structure according to claim 1, characterized in that: A connector (105) is fixedly provided at the end of the rotating arm (104), and the interior of the connector (105) is configured as a hollow structure; a threaded barrel (106) is fixedly provided inside the top and bottom sides of the connector (105), and a bolt (107) is provided inside the threaded barrel (106) through a threaded connection, and two groups of bolts (107) are symmetrically provided.

3. The tank car roof structure according to claim 2, characterized in that: Three groups of locking blocks A (108) are evenly arranged and fixed on the outside of the sealing frame (101), and the main body of the locking block A (108) is set to an inverted L shape, and the top and bottom sides of the locking block A (108) are chamfered.

4. The tank car roof structure according to claim 1, characterized in that: The auxiliary structure (2) comprises: a load-bearing plate (201), a limiting block (202) and a rubber strip (203); the load-bearing plate (201) is fixedly arranged on the outside of the sealing frame (101), and the load-bearing plate (201) is arranged in an arc-shaped structure, and the top of the load-bearing plate (201) is flush with the top of the sealing frame (101); the limiting block (202) is fixedly arranged at the top end of the load-bearing plate (201); and the rubber strip (203) is fixedly arranged on the inside of the limiting block (202).

5. The tank car roof structure according to claim 1, characterized in that: The driving assembly (3) comprises: a fixed seat (301), a cylinder (302), a connecting seat (303) and a driving arm (304); the fixed seat (301) is fixedly arranged on the outside of the sealing frame (101); the cylinder (302) is rotatably arranged on the outside of the fixed seat (301); the connecting seat (303) is fixedly arranged on the outside of the telescopic end of the cylinder (302); one end of the driving arm (304) is rotatably arranged on the inside of the connecting seat (303), and the other end of the driving arm (304) is fixedly connected to the rotating arm (104), and a V-shaped structure is formed between the driving arm (304) and the rotating arm (104).

6. The tank car roof structure according to claim 3, characterized in that: The top cover assembly (4) comprises: a mounting seat (401), a circular hole (402) and a cover body (403); the mounting seat (401) is movably arranged on the inner side of the connector (105); the circular hole (402) is opened in a through-type manner inside the mounting seat (401), and a bolt (107) is movably arranged inside the circular hole (402); the cover body (403) is fixed to the bottom end of the mounting seat (401) by welding, and the bottom of the cover body (403) is in contact with the top of the sealing frame (101), and the top edge of the cover body (403) is in contact with the bottom side of the top of the locking block A (108).

7. The tank car roof structure according to claim 6, characterized in that: The top cover assembly (4) further comprises: a reinforcing rib (404), a sealing groove (405) and a locking block B (406); the reinforcing rib (404) is integrally arranged on the inner side of the bottom of the cover body (403); the sealing groove (405) is provided inside the bottom side of the cover body (403), and a sealing ring (1010) is movably provided inside the sealing groove (405); the locking blocks B (406) are evenly arranged and fixed on the outer side of the cover body (403), and the locking blocks B (406) are arranged in an L shape; a chamfer is provided on the top side of the bottom of the locking blocks B (406), and the top side of the bottom of the locking blocks B (406) is in contact with the bottom of the sealing frame (101).

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