CN220865406U - Manhole protective cover cylinder of railway tank car - Google Patents
Manhole protective cover cylinder of railway tank car Download PDFInfo
- Publication number
- CN220865406U CN220865406U CN202322463217.3U CN202322463217U CN220865406U CN 220865406 U CN220865406 U CN 220865406U CN 202322463217 U CN202322463217 U CN 202322463217U CN 220865406 U CN220865406 U CN 220865406U
- Authority
- CN
- China
- Prior art keywords
- protective cover
- cover cylinder
- tank car
- manhole
- railway tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 85
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model discloses a manhole protective cover cylinder of a railway tank car, which comprises a protective cover cylinder arranged above the manhole of the railway tank car, wherein a protective cover matched with the protective cover cylinder is arranged on the protective cover cylinder. The outer wall of one side of the protective cover cylinder is provided with a bearing, the protective cover is rotatably arranged on the protective cover cylinder through the bearing, and the central axis of the bearing is parallel to the horizontal plane; a rain cover is arranged on the outer wall of one side of the protective cover cylinder opposite to the side; the rain-proof cover is provided with a through groove, the protection cover is provided with a lock nose at the opposite position, the lock nose can penetrate through the through groove, and the lock nose is provided with at least one lock hole. The outer walls of the other two sides of the protective cover cylinder are respectively provided with a fixed rod, and the lower parts of the fixed rods are rotationally connected with the outer wall of the protective cover cylinder; the protection shroud is provided with the fixing base on the relative position, has seted up the fixed slot on the fixing base, and the dead lever can the cartridge be in the fixed slot of corresponding fixing base.
Description
Technical Field
The utility model belongs to the field of railway tank trucks, and particularly relates to a manhole protective cover cylinder of a railway tank truck.
Background
One of the main railway vehicles used in railway logistics is a main special vehicle type for transporting gas, liquid, powder and other goods on railway, mainly a horizontal cylinder, and also has a vertical cylinder, a groove shape and a funnel shape. The device is divided into a plurality of tank trucks for loading light oil, tank trucks for sticking oil, acid tank trucks, cement tank trucks and compressed gas tank trucks.
The manhole is a safety emergency ventilation device arranged on the top of the storage tank, is usually matched with a fire arrester and a mechanical breather valve, can avoid accidents caused by damage to the storage tank when the tank is subjected to sudden overpressure or vacuum caused by unexpected reasons, has a safety fire-retarding effect, is a safety device for protecting the storage tank, is particularly suitable for a vault normal pressure tank with a storage material capped by nitrogen, and is usually positioned right above a manhole of the top of a tank body.
In daily use, the protective cover needs to be opened for operations such as loading and unloading, maintenance, etc. Because of the comparatively abominable vibration of railway operating mode, after the locking of safety cover section of thick bamboo, take place when the accident that opens because of vibration, railway tank car user is in order to avoid this kind of accident emergence, uses the iron wire to bind safety cover section of thick bamboo and shroud together, and locking function is relatively poor, and the operation is also very loaded down with trivial details during the use. Meanwhile, the existing protective cover does not have an anti-theft function, is easy to lose, and causes economic loss and potential safety hazard.
Disclosure of utility model
The utility model aims to provide a manhole protective cover cylinder of a railway tank car, which solves the problems of poor locking function, complex operation and lack of anti-theft function of the manhole protective cover cylinder of the railway tank car in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
A manhole protective cover cylinder of a railway tank car comprises a protective cover cylinder arranged above the manhole of the railway tank car; the protective cover is characterized in that at least one bearing is arranged on the outer wall of one side of the protective cover barrel, the protective cover is rotatably installed on the protective cover barrel through the bearing, the central axis of the bearing is parallel to the horizontal plane, and the protective cover is matched with the protective cover barrel.
The rain-proof cover is arranged on the outer wall of one side of the protection cover barrel, which is opposite to the side, the top of the rain-proof cover is vertically provided with a through groove, the protection cover is provided with a lock nose at a corresponding position, the lock nose can penetrate through the through groove to be connected with the rain-proof cover, and the lock nose is provided with at least one lock hole.
Fixing rods are oppositely arranged on the outer walls of the two sides of the protective cover cylinder, and the lower parts of the fixing rods are rotationally connected with the outer walls of the protective cover cylinder; the protection cover on be provided with the fixing base with dead lever one-to-one, the fixing base outside seted up vertical fixed slot, the dead lever can the block in the fixed slot.
The utility model also has the following technical characteristics:
Further, a plurality of evenly distributed fixed holes are formed in the lower end of the protective cover barrel, threaded holes corresponding to the fixed holes one by one are formed in the railway tank car, and bolts can penetrate through the fixed holes to fixedly connect the protective cover barrel with the railway tank car.
Further, two supports are arranged on the protective cover cylinder, mounting holes are formed in the two supports, each mounting hole is fixedly connected with the outer ring of one bearing, and the connecting rod simultaneously penetrates through the inner rings of the two bearings and is fixedly connected with the inner rings of the two bearings; the protection cover is provided with a support lug, and the support lug is fixedly connected with the connecting rod.
Further, the screw thread structure has been seted up to the dead lever upper end, with this screw thread structure assorted nut fixed connection in the dead lever upper end, nut upper end fixedly connected with twist grip, the dead lever top be provided with the separation blade.
Further, a handle is arranged at the position of the protective cover close to the lock nose.
Further, the lower end face of the protective cover is provided with a rubber gasket.
Further, the rain-proof cover is provided with a through hole, and the lock nose is provided with two lock holes;
the movable head end of the movable head lock catch is buckled with any lock hole, and the other end of the movable head lock catch is fixedly connected with the rain cover through the through hole.
Further, the fixing rod is a stainless steel fixing rod, and the nut is a copper nut.
Compared with the prior art, the utility model has the following technical effects:
According to the manhole protective cover cylinder of the railway tank car, the protective cover cylinder is rotationally connected with the protective cover, so that the opening and closing of the protective cover are more convenient; the mode of fixing by using iron wires at present is canceled, the fixing base and the fixing rod are matched and locked, the fixing rod is clamped into the fixing base during use, and the locking operation is simplified while the locking strength is improved; simultaneously, through lock nose and rain-proof cover cooperation, can use the theftproof lock to pin safety cover section of thick bamboo and protection shroud, realize the theftproof function when unmanned the careless.
(II) the manhole protective cover cylinder of the railway tank car, disclosed by the utility model, is more convenient and faster to operate due to the fact that the handle is additionally arranged on the protective cover; meanwhile, the rotary handle is arranged on the fixed rod, so that the convenience of the locking operation of the device is further improved; when the anti-theft lock is used, the lock nose and the rain cover can be locked through the movable head lock catch, the overall locking strength, convenience and anti-theft performance are further improved, and the anti-theft lock is suitable for industrial large-scale use and popularization.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a manhole protective cover cylinder of a railway tank car in a closed state;
FIG. 2 is a schematic diagram of the whole structure of the manhole protective cover cylinder of the railway tank car in the open state;
FIG. 3 is a schematic diagram of a front view of a manhole protective cover cylinder of the railway tank car of the present utility model;
FIG. 4 is a schematic view of a fixing base of the present utility model;
FIG. 5 is a schematic view of the mounting rod and nut connection of the present utility model;
Fig. 6 is a schematic diagram of the connection of the movable head lock catch, the lock nose and the rain cover of the present utility model.
The meaning of each reference numeral in the figures is: 1. a protective cover cylinder; 2. a bearing; 3. a protective cover; 4. a rain cover; 5. a lock nose; 6. a lock hole; 7. a fixed rod; 8. a fixing seat; 9. a fixing groove; 10. a fixing hole; 11. a support; 12. a connecting rod; 13. a support lug; 14. a nut; 15. rotating the handle; 16. a baffle; 17. a handle; 18. and (5) locking the movable head.
Detailed Description
All the components in the present utility model are known in the art unless otherwise specified. For example, a conventional movable head lock is used.
The following specific embodiments of the present utility model are provided, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical scheme of the present utility model fall within the protection scope of the present utility model.
Examples:
The embodiment provides a railway tank car manhole protective cover cylinder, which comprises a protective cover cylinder 1 arranged above a railway tank car manhole, wherein a protective cover 3 matched with the protective cover cylinder 1 is arranged on the protective cover cylinder 1, as shown in fig. 1 to 3.
The outer wall of one side of the protective cover cylinder 1 is provided with a bearing 2, the protective cover 3 is rotatably arranged on the protective cover cylinder 1 through the bearing 2, and the central axis of the bearing 2 is parallel to the horizontal plane; a rain cover 4 is arranged on the outer wall of the side of the protective cover cylinder 1 opposite to the side; the rain-proof cover 4 is provided with a through groove, the protection cover 3 is provided with a lock nose 5 at the opposite position, the lock nose 5 can penetrate through the through groove, and the lock nose 5 is provided with at least one lock hole 6.
The outer walls of the other two sides of the protective cover cylinder 1 are respectively provided with a fixed rod 7, and the lower part of the fixed rod 7 is rotationally connected with the outer wall of the protective cover cylinder 1.
As shown in fig. 4 and 5, the protection cover 3 is provided with a fixing seat 8 at a relative position, a fixing groove 9 is formed on the fixing seat 8, and the fixing rod 7 can be clamped into the corresponding fixing groove 9 of the fixing seat 8.
The protective cover 3 can be opened along the bearing 2, so that the opening and closing are more convenient; when the protective cover 3 needs to be closed, the two fixing rods 7 are respectively rotated, so that the two fixing rods 7 are clamped into the corresponding fixing grooves 9 of the fixing seat 8 through rotation, and fastening is realized; simultaneously, when the protection shroud 3 is closed, the lock nose 5 passes through the through groove on the rain-proof cover 4, uses conventional fixed lock, passes lockhole 6 with the locking lever part of fixed lock and locks, can realize the theftproof function of protection shroud 3, simultaneously, rain-proof cover 4 can also prevent the fixed lock of rainwater oxidation, increase of service life.
As a preferred scheme of the embodiment, a plurality of evenly distributed fixing holes 10 are formed in the lower end of the protective cover cylinder 1, threaded holes corresponding to the fixing holes 10 one by one are formed in the railway tank car, bolts can penetrate through the fixing holes 10 to fixedly connect the protective cover cylinder 1 with the railway tank car, detachable connection is achieved while connection strength is enhanced, and later maintenance and maintenance are facilitated.
As a preferable scheme of the embodiment, two supports 11 are arranged on the protective cover cylinder 1, mounting holes are formed in the two supports 11, each mounting hole is fixedly connected with the outer ring of one bearing 2, and a connecting rod 12 penetrates through and is fixedly connected with the inner rings of the two bearings 2; the support lugs 13 are arranged on the protective cover 3, the support lugs 13 are fixedly connected with the connecting rods 12, and the connection strength of the protective cover cylinder 1 and the protective cover 3 is improved while the rotary connection is realized.
As a preferable scheme of this embodiment, a threaded structure is provided at the upper end of the fixing rod 7, a nut 14 matched with the threaded structure is rotatably connected to the upper end of the fixing rod 7, a rotating handle 15 is fixedly connected to the nut 14, and a blocking piece 16 is provided at the top of the fixing rod 7.
The rotating handle 15 is rotatably arranged at the upper end of the fixed rod 7 through the nut 14, so as to play a role in facilitating the rotation of the fixed rod 7, meanwhile, a baffle 16 is arranged at the top of the fixed rod 7 after the connection is completed, the outer diameter of the baffle 16 is larger than the inner diameter of the nut 14, and the rotating handle 15 is prevented from being separated from the fixed rod 7 in the later use process.
As a preferred scheme of the embodiment, a handle 17 is arranged on the position, close to the lock nose 5, of the protective cover 3, so that the operation of operators is facilitated.
As a preferable scheme of the embodiment, the lower wall of the protective cover 3 is provided with a rubber gasket, so that collision of the protective cover 3 with the protective cover cylinder 1 is reduced, and the service life of the device is prolonged.
As a preferable scheme of this embodiment, as shown in fig. 6, a through hole is formed in the rain cover 4, and two lock holes 6 are formed in the lock nose 5. The movable head of the movable head lock catch 18 is buckled with any one lock hole 6, and the other end is fixedly connected with the rain cover 4 through a through hole.
The reason for reserving the two lock holes 6 is that in the using process, the fixed lock is not needed to be used for locking, and only the movable head lock catch is needed to be used for locking one lock hole 6; when the use is finished, the other lock hole 6 is locked by the fixed lock, so that the operation of personnel is convenient.
As a preferable scheme of the embodiment, the fixing rod 7 is made of stainless steel, the nut 14 is made of copper, the fixing seat 8 is made of high-rigidity material, the strength of the corresponding part is improved, and the service life is prolonged.
Claims (8)
1. The manhole protective cover cylinder of the railway tank car is characterized by comprising a protective cover cylinder (1) arranged above the manhole of the railway tank car; the protective cover is characterized in that at least one bearing (2) is arranged on the outer wall of one side of the protective cover cylinder (1), the protective cover (3) is rotatably installed on the protective cover cylinder (1) through the bearing (2), the central axis of the bearing (2) is parallel to the horizontal plane, and the protective cover (3) is matched with the protective cover cylinder (1);
The rain-proof cover (4) is arranged on the outer wall of one side, opposite to the side, of the protection cover cylinder (1), a through groove is vertically formed in the top of the rain-proof cover (4), a lock nose (5) is arranged at a corresponding position of the protection cover (3), the lock nose (5) can penetrate through the through groove to be connected with the rain-proof cover (4), and at least one lock hole (6) is formed in the lock nose (5);
Fixing rods (7) are oppositely arranged on the outer walls of the two sides of the protective cover cylinder (1), and the lower parts of the fixing rods (7) are rotationally connected with the outer wall of the protective cover cylinder (1); the protection shroud (3) on be provided with fixing base (8) with dead lever (7) one-to-one, fixing base (8) outside seted up vertical fixed slot (9), dead lever (7) can the cartridge in fixed slot (9).
2. The manhole protective cover cylinder of the railway tank car as claimed in claim 1, wherein a plurality of uniformly distributed fixing holes (10) are formed in the lower end of the protective cover cylinder (1), threaded holes corresponding to the fixing holes (10) one by one are formed in the railway tank car, and bolts can penetrate through the fixing holes (10) to fixedly connect the protective cover cylinder (1) with the railway tank car.
3. The manhole protection cover cylinder of the railway tank car as claimed in claim 1, wherein the protection cover cylinder (1) is provided with two supports (11), the two supports (11) are provided with mounting holes, each mounting hole is fixedly connected with the outer ring of one bearing (2), and the connecting rod (12) simultaneously passes through the inner rings of the two bearings (2) and is fixedly connected with the inner rings of the two bearings (2); the protection cover cap (3) is provided with a support lug (13), and the support lug (13) is fixedly connected with the connecting rod (12).
4. The manhole protection cover cylinder of the railway tank car as claimed in claim 1, wherein the upper end of the fixed rod (7) is provided with a threaded structure, a nut (14) matched with the threaded structure is fixedly connected with the upper end of the fixed rod (7), the upper end of the nut (14) is fixedly connected with a rotary handle (15), and a baffle (16) is arranged at the top of the fixed rod (7).
5. A manhole protective cover cylinder for a railway tank car according to claim 1, characterized in that the protective cover (3) is provided with a handle (17) at a position close to the lock nose (5).
6. The manhole protective cover cylinder of the railway tank car as claimed in claim 5, wherein the lower end surface of the protective cover cap (3) is provided with a rubber gasket.
7. The manhole protective cover cylinder of the railway tank car as claimed in claim 6, wherein the rain cover (4) is provided with a through hole, and the lock nose (5) is provided with two lock holes (6);
The movable head end of the movable head lock catch (18) is buckled with any lock hole (6), and the other end is fixedly connected with the rain cover (4) through the through hole.
8. The manhole protection cover cylinder of the railway tank car as claimed in claim 4, wherein the fixing rod (7) is a stainless steel fixing rod (7), and the nut (14) is a copper nut (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322463217.3U CN220865406U (en) | 2023-09-11 | 2023-09-11 | Manhole protective cover cylinder of railway tank car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322463217.3U CN220865406U (en) | 2023-09-11 | 2023-09-11 | Manhole protective cover cylinder of railway tank car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220865406U true CN220865406U (en) | 2024-04-30 |
Family
ID=90814722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322463217.3U Active CN220865406U (en) | 2023-09-11 | 2023-09-11 | Manhole protective cover cylinder of railway tank car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220865406U (en) |
-
2023
- 2023-09-11 CN CN202322463217.3U patent/CN220865406U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |