Portable hand rail for operation at top of tank container

By using the snap-fit ​​design between the portable handrail and the inner cavity of the corner fitting, the problem of the non-removable top handrail of the tank container is solved, achieving both lightweighting and improved safety of the tank container.

CN223974963UActive Publication Date: 2026-03-06JINGJIANG YATAI LOGISTICS EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423302042.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-03-06
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing top handrails of the tank container cannot be freely removed, which poses a high risk to operational safety and increases the counterweight and manufacturing cost of the tank container.

Method used

Design a portable handrail that is snapped into the inner cavity of the corner piece via a snap-fit ​​part, adopting a hinge-free connection structure. The pole and the support part form a stable support, and the pole is a hollow round tube to reduce weight.

Benefits of technology

It enables the free installation and removal of handrails, reduces tank counterweight and manufacturing costs, and improves operational safety and stability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223974963U_ABST
    Figure CN223974963U_ABST
Patent Text Reader

Abstract

The utility model discloses a portable hand rail for tank top operation, which comprises a rod body, a connecting part fixedly arranged at one end of the rod body and a clamping part fixedly arranged at the other end of the rod body, a supporting part is arranged on the peripheral side of the rod body, and the clamping part is clamped with an inner cavity of a corner fitting. The hand rail can be freely mounted and dismounted, is good in universality, can be repeatedly used, is convenient to carry, and reduces the counter weight and manufacturing cost of the tank container.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This application relates to the field of tank container technology, and more particularly to a portable handrail for working on top of tank containers. Background Technology

[0002] Tank containers, also known as tank boxes, are increasingly used in various storage and transportation industries. As a result, the safety of operations on top of tank containers has become a major concern for on-site loading and unloading personnel.

[0003] The tank container includes a tank body and end frames installed on the outer periphery of the tank body, with corner fittings installed at the corners of the end frames. Currently, only a small number of tank containers are equipped with handrails on the top, and these handrails have the following shortcomings: First, the handrails attached to the tank container cannot be freely removed for use with other tank containers; second, the handrails are fixed using movable hinges, posing a high safety risk during operation; third, the inability to freely remove the handrails increases the counterweight of the tank container and manufacturing costs. Therefore, a new technical solution is urgently needed to solve at least one of the above technical problems. Summary of the Invention

[0004] In view of the above shortcomings, the purpose of this application is to provide a portable handrail for tank top operations, which can be freely installed and disassembled, has good versatility, can be reused, is easy to carry, and reduces tank counterweight and manufacturing costs.

[0005] To achieve the above-mentioned technical objectives and meet the above-mentioned technical requirements, the technical solution adopted in this application is as follows:

[0006] A portable handrail for working on the top of a tank container, characterized in that it includes a rod body, a connecting part fixedly disposed at one end of the rod body, and a snap-fit ​​part fixedly disposed at the other end of the rod body, a support part is provided on the outer periphery of the rod body, and the snap-fit ​​part snaps into the inner cavity of a corner piece.

[0007] As a preferred technical solution, the connecting part is fixedly provided with a through-hole.

[0008] As a preferred technical solution, the tank includes a tank body and an end frame disposed on the outer periphery of the tank body. A corner piece is provided at the corner of the end frame, and a locking hole is provided on the upper side of the corner piece. The corner piece defines an inner cavity, and a locking part is detachably disposed in the inner cavity. The shape of the locking part matches the shape of the locking hole.

[0009] As a preferred technical solution, the rod extends vertically, the connecting part extends horizontally, the snap-fit ​​part extends longitudinally, and the connecting part is fixedly disposed at the vertical angle between the rod and the connecting part.

[0010] As a preferred technical solution, the snap-fit ​​part is a waist-shaped sealing plate.

[0011] As a preferred technical solution, the connecting part is a hollow threading sleeve.

[0012] As a preferred technical solution, the connecting part is an ear plate with a threading hole.

[0013] As a preferred technical solution, the connecting part is a circular, rectangular, or waist-shaped connecting plate.

[0014] As a preferred technical solution, the support part is a circular, rectangular or waist-shaped support plate, the support plate abuts against the outer side of the corner piece to form support, the support plate is arranged parallel to the sealing plate, and the maximum outer diameter of the support plate is not less than the maximum outer diameter of the sealing plate.

[0015] As a preferred technical solution, the rod body is a hollow circular tube.

[0016] Compared with traditional technical solutions, the beneficial effects of this application are:

[0017] 1) The snap-fit ​​part can snap into the inner cavity of the corner piece without the need for hinges. It can be freely installed and disassembled, has good versatility, can be reused repeatedly, and is easy to carry. This way, the tank box does not need to be equipped with handrails, reducing the tank box's counterweight and manufacturing costs. The support part abuts against the outside of the corner piece to form support, which has good support stability and reduces operational safety risks.

[0018] 2) The splice section is used to thread steel wire rope, steel wire and hemp rope, etc., making the operation more convenient and improving the safety of operation;

[0019] 3) The snap-fit ​​part enters the inner cavity of the corner piece through the snap-fit ​​hole. Rotating the snap-fit ​​part abuts against the upper cavity wall of the inner cavity to form a limit, so that the snap-fit ​​part will not come out of the inner cavity;

[0020] 4) The through-joint, rod, and connecting parts form a triangular fixing structure, making the connection more stable and secure;

[0021] 5) The hollow round tube is lightweight and easy for operators to handle. Attached Figure Description

[0022] Figure 1 This is a structural diagram of a handrail provided in one embodiment of this application;

[0023] Figure 2 This is a structural diagram of a lifting ring provided in one embodiment of this application;

[0024] Figure 3 A structural diagram of the ear plate provided in one embodiment of this application;

[0025] Figure 4 for Figure 2 A bottom view;

[0026] Figure 5 A structural diagram of a rectangular support plate provided in a preferred embodiment of this application;

[0027] Figure 6 This is a structural diagram of a corner piece provided in one embodiment of this application.

[0028] exist Figures 1-6 In the middle, 1. rod body; 2. connecting part; 3. snap-fit ​​part; 4. support part; 5. through part; 6. corner piece; 601. snap hole; 602. inner cavity. Detailed Implementation

[0029] The present application will now be described in further detail with reference to the accompanying drawings.

[0030] In the accompanying drawings of the embodiments of this application, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "top", "bottom", "left", "right", "front", "rear", "inner", "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this application, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0031] Please refer to Figures 1-6 This application provides a portable handrail for working on the top of a tank container, comprising a rod body 1, a connecting part 2 fixedly disposed at one end of the rod body 1, and a snap-fit ​​part 3 fixedly disposed at the other end of the rod body 1. A support part 4 is provided on the outer periphery of the rod body 1, and the snap-fit ​​part 3 snaps into the inner cavity 602 of a corner piece 6. Specifically, the tank container includes a tank body and an end frame disposed on the outer periphery of the tank body. A corner piece 6 is provided at the corner of the end frame, and a snap-fit ​​hole 601 is provided on the upper side of the corner piece 6. The corner piece 6 defines an inner cavity 602. The inner cavity 602, wherein the snap-fit ​​part 3 is detachably disposed in the inner cavity 602, and the shape of the snap-fit ​​part 3 matches the shape of the snap hole 601. When the operator works on the top of the tank, the snap-fit ​​part 3 can snap into the inner cavity 602 of the corner piece 6 without the need for hinges. It can be freely installed and disassembled, has good versatility, can be reused repeatedly, and is easy to carry. In this way, the tank does not need to be equipped with handrails, reducing the tank's counterweight and manufacturing costs. The support part 4 abuts against the outside of the corner piece 6 to form a support, which has good support stability and reduces operational safety risks.

[0032] like Figures 1-6 As shown, the connecting part 2 is fixedly provided with a threading part 5, which is used to thread steel wire rope, steel wire and hemp rope, etc., making the operation more convenient and improving the operation safety.

[0033] like Figures 1-6 As shown, the rod 1 extends vertically, the connecting part 5 extends horizontally, the snap-fit ​​part 3 extends longitudinally, and the connecting part 5 is welded to the vertical angle between the rod 1 and the connecting part 2. The welding of the rod 1 and the connecting part 2 makes the welding more stable and firm.

[0034] like Figures 1-6 As shown, the snap-fit ​​part 3 is a waist-shaped sealing plate. Since the snap hole 601 of the corner piece 6 is waist-shaped, the sealing plate is also designed to be waist-shaped. The snap-fit ​​part 3 enters the inner cavity 602 of the corner piece 6 through the snap hole 601. The snap-fit ​​part 3 rotates and abuts against the upper cavity wall of the inner cavity 602 to form a limit, so that the snap-fit ​​part 3 is not easy to come out of the inner cavity 602.

[0035] like Figures 1-6 As shown, the threading part 5 is a hollow threading sleeve, which provides good support for the rope and good guiding properties.

[0036] like Figures 1-6 As shown, the connecting part 5 is an ear plate or lifting ring with a threading hole, used to thread steel wire rope, steel wire and hemp rope, etc., making the operation more convenient and improving the operation safety.

[0037] like Figures 1-6 As shown, the connecting part 2 is a circular, rectangular or waist-shaped connecting plate. Specifically, the connecting plate is waist-shaped. When the thickness and the maximum outer diameter are the same, the waist-shaped connecting plate plays a role in reducing weight.

[0038] like Figures 1-6 As shown, the support part 4 is a circular, rectangular or waist-shaped support plate. The support plate abuts against the outer side of the corner piece 6 to form support. The support plate is arranged parallel to the sealing plate. The maximum outer diameter of the support plate is not less than the maximum outer diameter of the sealing plate. The support plate is arranged close to the sealing plate and above the sealing plate. The support plate abuts against the outer side of the corner piece 6 to form support. When both the support plate and the sealing plate are waist-shaped, the width of the support plate is greater than the width of the sealing plate.

[0039] like Figures 1-6 As shown, the rod 1 is a hollow circular tube, which can be made of steel, aluminum or alloy, and is lightweight, high-strength and easy to manufacture.

[0040] Any numerical values ​​cited herein include all values ​​ranging from a lower limit to an upper limit, increasing by one unit, with at least two units between any lower and any higher value. For example, if the quantity of a component or the value of a process variable (e.g., temperature, pressure, time, etc.) is described as being from 1 to 90, preferably from 20 to 80, more preferably from 30 to 70, the purpose is to illustrate that values ​​such as 15 to 85, 22 to 68, 43 to 51, 30 to 32 are also explicitly listed in this specification. For values ​​less than 1, a unit is appropriately considered to be 0.0001, 0.001, 0.01, 0.1, etc. These are merely examples intended for explicit expression, and it can be assumed that all possible combinations of values ​​listed between the minimum and maximum values ​​are similarly explicitly stated in this specification.

[0041] Unless otherwise stated, all ranges include the endpoints and all numbers between them. The terms "approximately" or "about" used with ranges apply to both endpoints of the range. Thus, "approximately 20 to 30" is intended to cover "approximately 20 to approximately 30," including at least the specified endpoints.

[0042] All articles and references disclosed herein, including patent applications and publications, are incorporated herein by reference for various purposes. The term “substantially constitutes…” used to describe a combination should include the identified elements, components, parts, or steps, as well as other elements, components, parts, or steps that do not substantially affect the essential novelty of the combination. The use of the terms “comprising” or “including” to describe combinations of elements, components, parts, or steps herein also contemplates embodiments substantially constituted by such elements, components, parts, or steps. The use of the term “may” herein is intended to indicate that any described attribute included by “may” is optional.

[0043] Multiple elements, components, parts, or steps can be provided by a single integrated element, component, part, or step. Alternatively, a single integrated element, component, part, or step can be divided into multiple separate elements, components, parts, or steps. The use of "a" or "an" to describe an element, component, part, or step does not imply the exclusion of other elements, components, parts, or steps.

[0044] It should be understood that the above description is for illustrative purposes and not for limitation. Many embodiments and applications beyond the provided examples will be apparent to those skilled in the art upon reading the above description. Therefore, the scope of this teaching should not be determined by reference to the above description, but rather by reference to the appended claims and the full scope of their equivalents. For purposes of completeness, all articles and references, including patent applications and publications, are incorporated herein by reference. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended as a waiver of that subject matter, nor should it be construed as an indication that the inventors have not considered that subject matter as part of the disclosed subject matter.

Claims

1. A portable handrail for tank top operations, characterized in that The application relates to a connecting device for a tank, which comprises a rod body, a connecting part fixedly arranged at one end of the rod body, and a clamping part fixedly arranged at the other end of the rod body, wherein a supporting part is arranged on the outer periphery of the rod body; the tank comprises a tank body and an end frame arranged on the outer periphery of the tank body; an angle piece is arranged at the corner of the end frame; a clamping hole is arranged on the upper side of the angle piece; the angle piece is limited by an inner cavity; the clamping part is detachably arranged in the inner cavity; and the shape of the clamping part is matched with the shape of the clamping hole.

2. The portable handrail for tank container top operation according to claim 1, characterized in that, The connecting part is fixedly provided with a penetrating part.

3. The portable handrail for tank container top operation according to claim 2, characterized in that, The rod body extends along the vertical direction, the penetrating part extends along the horizontal direction, the clamping part extends along the longitudinal direction, and the penetrating part is fixedly arranged at the vertical corner of the rod body and the connecting part.

4. The portable handrail for tank container top operations according to claim 1, characterized in that, The clamping part is a waist-shaped sealing plate.

5. The portable handrail for tank container top operations according to claim 2, characterized in that, The penetrating part is a hollow wire sleeve.

6. The portable handrail for tank container top operations according to claim 2, characterized in that, The penetrating part is an ear plate or a hanging ring with a wire hole.

7. The portable handrail for tank container top operations according to claim 1, characterized in that, The connecting part is a circular, rectangular or waist-shaped connecting plate.

8. The portable handrail for tank container top operations according to claim 4, characterized in that, The supporting part is a circular, rectangular or waist-shaped supporting plate, which supports the outer side of the angle piece, is arranged in parallel with the sealing plate, and has a maximum outer diameter not less than that of the sealing plate.

9. The portable handrail for tank container top operations according to claim 1, characterized in that, The rod body is a hollow circular tube.