Manhole correcting device
By designing a container manhole calibration device, which utilizes a fixed plate, drive unit, and transmission rod pull fork structure, the problems of time-consuming, labor-intensive, and inaccurate calibration by multiple people are solved. This enables rapid and high-precision calibration by one or two people, reducing operational risks and damage.
Patent Information
- Application Number
- CN202423234622.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In existing technologies, calibrating manholes for tank containers requires the cooperation of multiple people, which is time-consuming, labor-intensive, dangerous, and has poor accuracy. Furthermore, traditional single-rod hydraulic tooling is prone to slippage.
The correction device includes a fixed plate, a drive unit, a transmission rod, and a pull fork. It is guided by a support and a guide rod and driven by a hydraulic jack, enabling rapid correction by one or two people. The transmission rod and the pull fork form a threaded transmission, and a locking device ensures stability.
It enables single or double-person manhole calibration, which is convenient, time-saving, labor-saving, highly accurate, reduces manhole damage, and improves safety.
Smart Images

Figure CN223970649U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of container technology, and more particularly to a manhole correction device. Background Technology
[0002] Tank containers are ideal transport containers for loading and transporting large quantities of liquids or gases. They are often used to load toxic, harmful, flammable, or corrosive liquids, posing a great danger.
[0003] Tank containers are equipped with manholes, which may deform during welding, leading to poor sealing. Current technology requires operators to use handheld alignment tools for correction, but this approach suffers from at least the following problems: 1. It requires 4-8 operators, resulting in high costs and significant time and labor consumption; 2. The tank containers are tall and opaque, posing a danger to operators entering the tank for alignment; 3. The existing alignment tool is a single-bar hydraulic type, requiring operators to maintain balance during operation to prevent slippage and significant safety hazards; 4. The alignment accuracy is poor. Therefore, a new technical solution is urgently needed to address at least one of these problems. Summary of the Invention
[0004] In view of the above shortcomings, the purpose of this application is to provide a manhole correction device that reduces the number of operators, is easy to operate, and saves time and effort.
[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 manhole calibration device, characterized in that it includes a fixed plate and a drive device with an output end passing through one side of the fixed plate. The output end is provided with a support portion. The drive device is fitted with a first sleeve. A first transmission rod and a second transmission rod are rotatably provided on the outer periphery of the first sleeve. The first transmission rod and the second transmission rod are arranged opposite to each other. The first transmission rod is movably provided with a first pull fork for calibrating the manhole. The second transmission rod is movably provided with a second pull fork for calibrating the manhole.
[0007] As a preferred technical solution, the driving device is fitted with a second sleeve, and a first guide rod and a second guide rod are arranged opposite to each other on the outer periphery of the second sleeve. The first pull fork is movably fitted on the first guide rod, and the second pull fork is movably fitted on the second guide rod.
[0008] As a preferred technical solution, the support part includes a central connecting sleeve, a first support block and a second support block disposed opposite to each other on the outer periphery of the central connecting sleeve, the output end is connected to the central connecting sleeve, and the first support block and the second support block extend radially.
[0009] As a preferred technical solution, the first support block has a first connecting rod extending axially inserted at one end away from the central connecting sleeve, and a first anti-slip and shock-absorbing foot is provided at the lower end of the first connecting rod. The second support block has a second connecting rod extending axially inserted at one end away from the central connecting sleeve, and a second anti-slip and shock-absorbing foot is provided at the lower end of the second connecting rod.
[0010] As a preferred technical solution, a first adjusting sleeve and a second adjusting sleeve are provided opposite to each other on the outer periphery of the first sleeve. The first adjusting sleeve and the second adjusting sleeve are rotatably connected to the first transmission rod and the second transmission rod, respectively. The first transmission rod and the second transmission rod are lead screws, and the first transmission rod and the second transmission rod are threadedly connected to the first pull fork and the second pull fork, respectively.
[0011] As a preferred technical solution, the first transmission rod has a first slot at one end facing the first adjusting sleeve, and the second transmission rod has a second slot at one end facing the second connecting sleeve. The first adjusting sleeve is detachably provided with a first locking bolt, and the second adjusting sleeve is detachably provided with a second locking bolt. One end of the first locking bolt extends into the first slot, and one end of the second locking bolt extends into the second slot.
[0012] As a preferred technical solution, a first pull edge and a second pull edge are respectively fixedly provided on the lower side of the first pull fork and the second pull fork, the first pull fork and the first pull edge are connected to form an integral structure, and the second pull fork and the second pull edge are connected to form an integral structure.
[0013] As a preferred technical solution, a first adjusting bolt is fixedly provided on the side of the first transmission rod away from the first sleeve, and a second adjusting bolt is fixedly provided on the side of the second transmission rod away from the second sleeve.
[0014] As a preferred technical solution, the upper side of the fixed plate is symmetrically provided with a first hanging plate and a second hanging plate.
[0015] As a preferred technical solution, the first transmission rod is detachably provided with a third adjusting bolt in the radial direction at the end opposite to the first sleeve, and the second transmission rod is detachably provided with a fourth adjusting bolt in the radial direction at the end opposite to the second sleeve.
[0016] Compared with traditional technical solutions, the beneficial effects of this application are:
[0017] 1) The support part abuts against the outer side of the flange of the manhole, the first pull fork and the second pull fork move to lock the manhole, the drive device drives the output end to extend, the first pull fork and the second pull fork pull the manhole, thereby realizing the correction of the manhole. Only 1-2 operators are needed to operate, which is convenient, time-saving and labor-saving.
[0018] 2) The first and second guide rods have a guiding function, making the movement of the first and second pull forks more stable and precise;
[0019] 3) The first and second anti-slip and shock-absorbing feet abut against the outer side of the manhole flange, which plays a role in shock absorption and anti-slip, and causes little damage to the manhole flange.
[0020] 4) The transmission rod and the pull fork form a threaded transmission, which is convenient to adjust and has good movement stability;
[0021] 5) After the first pull fork and the second pull fork are moved into place, tighten the first locking device and the second locking device. The first locking device enters the first slot to lock the first transmission rod, and the second locking device enters the second slot to lock the second transmission rod.
[0022] 6) The first and second adjusting bolts facilitate the operator's use of tools to rotate the first and second transmission rods;
[0023] 7) The first and second lifting platforms facilitate the connection of lifting equipment, making lifting more convenient;
[0024] 8) The third and fourth adjusting bolts are arranged radially. When the first pull fork moves, the third adjusting bolt abuts against the first pull fork to form a limit and prevent the first pull fork from displacing excessively. When the second pull fork moves, the fourth adjusting bolt abuts against the second pull fork to form a limit and prevent the second pull fork from displacing excessively. Attached Figure Description
[0025] Figure 1 A structural diagram of an apparatus provided in one embodiment of this application;
[0026] Figure 2 for Figure 1 A view from another direction;
[0027] Figure 3 This is a structural diagram of a first hanging plate and a second hanging plate provided in one embodiment of this application.
[0028] exist Figures 1-3In the middle, 1. Fixed plate; 2. Drive device; 201. Output end; 3. Support part; 301. Central connecting sleeve; 302. First support block; 303. Second support block; 4. First sleeve; 5. First transmission rod; 501. First slot; 6. Second transmission rod; 601. Second slot; 7. First pull fork; 701. First pull edge; 8. Second pull fork; 801. Second pull edge; 9. Second sleeve; 10. First guide rod; 11. Second guide rod; 12. First connecting rod; 13. Second connecting rod; 14. First anti-slip and shock-absorbing foot; 15. Second anti-slip and shock-absorbing foot; 16. First adjusting sleeve; 17. Second adjusting sleeve; 18. First adjusting bolt; 19. Second adjusting bolt; 20. First hanging plate; 21. Second hanging plate; 22. Manhole; 23. Flange edge. 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 1-3 An embodiment of this application provides a manhole calibration device, including a fixed plate 1 and a driving device 2 with an output end 201 passing through one side of the fixed plate 1. The output end 201 is provided with a support part 3. The driving device 2 is fitted with a first sleeve 4. A first transmission rod 5 and a second transmission rod 6 are rotatably provided on the outer periphery of the first sleeve 4. The first transmission rod 5 and the second transmission rod 6 are arranged opposite to each other. The first transmission rod 5 is movably provided with a first pull fork 7 for calibrating the manhole 22. The second transmission rod 6 is movably provided with a second pull fork 8 for calibrating the manhole 22. The support part 3 abuts against the outer side of the flange edge 23 of the manhole 22. The first pull fork 7 and the second pull fork 8 move to lock the manhole 22. The driving device 2 drives the output end 201 to extend, and the first pull fork 7 and the second pull fork 8 pull the manhole 22, thereby realizing the calibration of the manhole 22. Only 1-2 operators are needed to operate it, which is convenient, time-saving and labor-saving.
[0032] like Figure 1 and Figure 2As shown, the driving device 2 is fitted with a second sleeve 9. A first guide rod 10 and a second guide rod 11 are arranged opposite to each other on the outer periphery of the second sleeve 9. The first pull fork 7 is movably fitted on the first guide rod 10, and the second pull fork 8 is movably fitted on the second guide rod 11. The second sleeve 9 is located above the first sleeve 4 and is fixedly connected to the fixed plate 1. The first guide rod 10 and the second guide rod 11 have a guiding function, and the first pull fork 7 and the second pull fork 8 move more stably and accurately.
[0033] like Figure 1 and Figure 2 As shown, the support part 3 includes a central connecting sleeve 301, a first support block 302 and a second support block 303 disposed opposite to each other on the outer periphery of the central connecting sleeve 301, and the output end 201 is connected to the central connecting sleeve 301. Specifically, the connection between the output end 201 and the central connecting sleeve 301 is a plug-in connection. The output end 201 and the central connecting sleeve 301 are rotatably or fixedly connected. When rotatably connected, the support part 3 can rotate to adjust the support angle. The first support block 302 and the second support block 303 extend radially. Further, the first support block 302 has a first connecting rod 12 extending axially inserted at one end away from the central connecting sleeve 301. The lower end of the first connecting rod 12 is provided with a first anti-slip and shock-absorbing foot 14. The second support block 303 has a second connecting rod 13 extending axially inserted at one end away from the central connecting sleeve 301. The lower end of the second connecting rod 13 is provided with a second anti-slip and shock-absorbing foot 15. The first anti-slip and shock-absorbing foot 14 and the second anti-slip and shock-absorbing foot 15 abut against the outer side of the flange edge 23 of the manhole 22, playing a role in shock absorption and anti-slip, with minimal damage to the flange edge 23 of the manhole 22. The material of the first anti-slip and shock-absorbing foot 14 and the second anti-slip and shock-absorbing foot 15 is rubber.
[0034] like Figure 1 and Figure 2 As shown, a first adjusting sleeve 16 and a second adjusting sleeve 17 are arranged opposite to each other on the outer periphery of the first sleeve 4. The first adjusting sleeve 16 and the second adjusting sleeve 17 are rotatably connected to the first transmission rod 5 and the second transmission rod 6, respectively. The first transmission rod 5 and the second transmission rod 6 are lead screws. The first transmission rod 5 and the second transmission rod 6 are threadedly connected to the first pull fork 7 and the second pull fork 8, respectively. The transmission rod and the pull fork form a threaded transmission, which is convenient for adjustment and has good movement stability.
[0035] like Figure 1 and Figure 2As shown, the first transmission rod 5 has a first slot 501 at one end facing the first adjusting sleeve 16, and the second transmission rod 6 has a second slot 601 at one end facing the second connecting sleeve. The first adjusting sleeve 16 is detachably provided with a first locking bolt (not shown), and the second adjusting sleeve 17 is detachably provided with a second locking bolt (not shown). One end of the first locking bolt extends into the first slot 501, and one end of the second locking bolt extends into the second slot 601. When the first pull fork 7 and the second pull fork 8 are moved into place, the first locking device and the second locking device are tightened. The first locking device enters the first slot 501 to lock the first transmission rod 5, and the second locking device enters the second slot 601 to lock the second transmission rod 6.
[0036] like Figure 1 and Figure 2 As shown, the first pull fork 7 and the second pull fork 8 are respectively fixedly provided with a first pull edge 701 and a second pull edge 801 on their lower sides. The first pull fork 7 and the first pull edge 701 are connected to form an L-shaped integral structure. The second pull fork 8 and the second pull edge 801 are connected to form an L-shaped integral structure. The first pull edge 701 and the second pull edge 801 abut against the inner bottom surface of the flange edge 23 of the manhole 22 for pulling.
[0037] like Figure 1 and Figure 2 As shown, a first adjusting bolt 18 is fixedly installed on the side of the first transmission rod 5 away from the first sleeve 4, and a second adjusting bolt 19 is fixedly installed on the side of the second transmission rod 6 away from the second sleeve 9. The first adjusting bolt 18 and the second adjusting bolt 19 facilitate the operator to rotate the first transmission rod 5 and the second transmission rod 6 with tools.
[0038] like Figure 3 As shown, a first lifting plate 20 and a second lifting plate 21 are symmetrically arranged on the upper side of the fixed plate 1. The first lifting plate 20 and the second lifting plate 21 facilitate the connection of lifting tools, making the lifting more convenient.
[0039] like Figure 1 and Figure 2 As shown, the first transmission rod 5 is detachably provided with a third adjusting bolt (not shown) in the radial direction at the end opposite to the first sleeve 4, and the second transmission rod 6 is detachably provided with a fourth adjusting bolt (not shown) in the radial direction at the end opposite to the second sleeve 9. The third and fourth adjusting bolts are arranged in the radial direction. When the first pull fork 7 moves, the third adjusting bolt abuts against the first pull fork 7 to form a limit and prevent the first pull fork 7 from excessively displacing. When the second pull fork 8 moves, the fourth adjusting bolt abuts against the second pull fork 8 to form a limit and prevent the second pull fork 8 from excessively displacing.
[0040] like Figure 1 and Figure 2As shown, the driving device 2 is a hydraulic jack. The driving device 2 is connected to the flange of the fixed plate 1. The hydraulic jack has a large driving force, which improves the correction effect.
[0041] 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 explicitly described in this specification in a similar manner.
[0042] 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.
[0043] 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.
[0044] 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.
[0045] 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 manhole correction device, characterized by, The utility model provides a manhole adjusting device, including fixed disc, the drive arrangement with output side that has been set in one side of fixed disc, the output side is provided with support part, the drive arrangement is sleeved with first sleeve, the first sleeve periphery side is rotatably provided with first transmission rod and second transmission rod, first transmission rod and second transmission rod are provided opposite, first transmission rod is movably provided with first pull fork for correcting manhole, second transmission rod is movably provided with second pull fork for correcting manhole.
2. The manhole correction device according to claim 1, characterized in that The drive arrangement is sleeved with a second sleeve, the second sleeve periphery side is provided opposite with a first guide rod and a second guide rod, the first pull fork is movably sleeved on the first guide rod, and the second pull fork is movably sleeved on the second guide rod.
3. The manhole correction device according to claim 1, characterized in that, The support part includes a central connecting sleeve, first and second support blocks provided opposite on the periphery of the central connecting sleeve, the output end is connected with the central connecting sleeve, and the first and second support blocks extend radially.
4. The manhole correction device according to claim 3, characterized in that A first connecting rod extending axially is inserted into one end of the first support block away from the central connecting sleeve, and a first anti-skid and shock-absorbing foot is arranged at the lower end of the first connecting rod.
5. The manhole correction device of claim 1, wherein, A second connecting rod extending axially is inserted into one end of the second support block away from the central connecting sleeve, and a second anti-skid and shock-absorbing foot is arranged at the lower end of the second connecting rod.
6. A manhole alignment device according to claim 5, characterised in that, The first sleeve periphery side is provided opposite with a first adjusting sleeve and a second adjusting sleeve, the first adjusting sleeve and the second adjusting sleeve are rotatably connected with the first transmission rod and the second transmission rod respectively, the first transmission rod and the second transmission rod are lead screws, and the first transmission rod and the second transmission rod are threadedly connected with the first pull fork and the second pull fork respectively.
7. The manhole correction device of claim 1, wherein, The first transmission rod is provided with a first clamping groove at one end facing the first adjusting sleeve, the second transmission rod is provided with a second clamping groove at one end facing the second adjusting sleeve, the first adjusting sleeve is detachably provided with a first locking bolt, the second adjusting sleeve is detachably provided with a second locking bolt, one end of the first locking bolt extends into the first clamping groove, and one end of the second locking bolt extends into the second clamping groove.
8. The manhole straightening device of claim 2, wherein, First and second pull edges are fixedly arranged at the lower sides of the first and second pull forks respectively, the first pull fork and the first pull edge are connected into an integral structure, and the second pull fork and the second pull edge are connected into an integral structure.
9. The manhole correction device of claim 1, wherein, The first transmission rod is fixedly provided with a first adjusting bolt at one side away from the first sleeve, and the second transmission rod is fixedly provided with a second adjusting bolt at one side away from the second sleeve.
10. The manhole correction device of claim 8, wherein, First and second hanging plates are symmetrically arranged on the upper side of the fixed disc. The first transmission rod is detachably provided with a third adjusting bolt radially at one end away from the first sleeve, and the second transmission rod is detachably provided with a fourth adjusting bolt radially at one end away from the second sleeve.