CN220566553U - Device for opening heavy flat cover - Google Patents
Device for opening heavy flat cover Download PDFInfo
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- CN220566553U CN220566553U CN202322157044.2U CN202322157044U CN220566553U CN 220566553 U CN220566553 U CN 220566553U CN 202322157044 U CN202322157044 U CN 202322157044U CN 220566553 U CN220566553 U CN 220566553U
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract description 5
- 239000002243 precursor Substances 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Abstract
A device for opening a heavy duty flat cover comprising: a base; the suspension rod is provided with a vertical section and a transverse section, the end part of the transverse section is provided with a hoisting component, and the vertical section is restrained on the base in a mode of rotating around the axis of the vertical section and moving up and down; the side peripheral wall of the vertical section is provided with a circumferentially extending arc-shaped groove, the arc-shaped groove is provided with a first section of groove and a second section of groove which are sequentially arranged and communicated in the extending direction, and the second section of groove is horizontally arranged and is positioned at a height lower than that of the first section of groove; the movable column is inserted into the first section of the arc-shaped groove; the output end of the driving mechanism acts on the movable column to drive the movable column to rotate around the axis of the vertical section, so that the movable column can be driven to move from the first section groove to the second section groove until the movable column is propped against the end part of the second section groove, and then the vertical section is driven to rotate around the axis of the vertical section. Compared with the prior art, the utility model has simple structure and can reduce the number of driving mechanisms.
Description
Technical Field
The utility model belongs to the technical field of flat cover opening, and particularly relates to a device for opening a heavy flat cover.
Background
With the large-scale development of equipment, the problem of difficult opening of the top of a vertical pressure vessel such as a vertical spiral plate heat exchanger, a vertical quick-opening reactor and the like exists if a tool is not used because of the large size and heavy load of the heavy flat cover.
The structure disclosed in the present utility model patent 202220379710.X of the present utility model (issued patent CN 216835373U) for opening a heavy flat cover comprises a bottom plate, a lifting system and a limiting system, wherein the lower end surface of the bottom plate is connected with the crystallization tank, the upper end surface of the bottom plate is provided with a rotating system, the upper end surface of the rotating system is provided with the lifting system, the lifting system is connected with the manhole cover through a connecting rod, and the side part of the lifting system is provided with the limiting system, so that the automatic opening and closing function of the manhole cover can be realized, and the defects of large weight, inconvenient transportation, complex disassembly and assembly, time consuming and the like of the traditional manhole cover are overcome.
The existing opening device has the following technical problems:
1. the flat cover needs to be opened by means of two sets of driving mechanisms, namely the rotating system and the lifting system;
2. the opening device is easy to shake during operation, so that the construction safety is affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a device for opening a heavy flat cover, which has a simple structure and can reduce the number of driving mechanisms.
The technical scheme adopted for solving the technical problems is as follows: a device for opening a heavy duty flat cover comprising:
a base;
the hanging rod is provided with a vertical section extending upwards and a transverse section folded and extending from the upper end of the vertical section, the end part of the transverse section is provided with a hanging component for hanging the flat cover, and the vertical section is restrained on the base in a mode of being capable of rotating around the axis of the vertical section and moving up and down;
a driving mechanism;
the method is characterized in that:
the side peripheral wall of the vertical section of the suspension rod is provided with a circumferentially extending arc-shaped groove, the arc-shaped groove is provided with a first section groove and a second section groove which are sequentially arranged and are in smooth communication in the extending direction, and the second section groove is horizontally arranged and is lower than the first section groove in height;
the device also comprises:
the movable column is inserted into the first section of the arc-shaped groove;
the output end of the driving mechanism acts on the movable column to drive the movable column to rotate around the axis of the vertical section, so that the driving mechanism can drive the movable column to move from the first section groove to the second section groove of the arc-shaped groove until the movable column is abutted against the end part of the second section groove, and then drive the vertical section to rotate around the axis of the vertical section;
and the boom is jacked up under the action of the movable column moving from the first section groove to the second section groove.
Therefore, the movable column can be driven to move from the first section groove to the second section groove of the arc-shaped groove through the rotary power of the output end of the driving mechanism, and at the moment, the hanging rod can be lifted upwards under the action of the movable column moving from the first section groove to the second section groove because the height of the second section groove is lower than that of the first section groove, so that the flat cover is lifted upwards; then the driving mechanism can drive the movable column to continue to horizontally move in the second section groove until the movable column is propped against the end part of the second section groove, and then the vertical section can be driven to rotate around the axis of the vertical section, so that the flat cover is driven to rotate, and the flat cover is opened. Therefore, the utility model can realize the opening of the flat cover through one set of driving mechanism, has simple structure and is convenient to implement.
Preferably, the first section groove is horizontally arranged and is connected with the second section groove through a chute.
Preferably, the connecting piece also comprises an upright cylindrical connecting piece;
the lower end part of the vertical section of the suspender is provided with the arc-shaped groove, and is inserted into the upper end opening of the connecting piece, and the arc-shaped groove and the connecting piece are coaxially arranged;
the output end of the driving mechanism is restrained with the connecting piece to drive the connecting piece to rotate around the axis of the connecting piece;
the movable column is arranged on the side wall of the connecting piece corresponding to the arc-shaped groove.
The driving mechanism can be a rotating power piece such as a motor, and in order to accurately control the opening angle and the start and stop, the driving mechanism is preferably a hydraulic swing oil cylinder. The hydraulic swing oil cylinder has compact structure and high operation stability, can accurately control the opening angle, realizes the opening of the flat cover at an extremely low rotating speed and avoids shaking.
Further, the connecting piece is a spline adapter, the lower end of the connecting piece is open for the rotating shaft of the hydraulic swing oil cylinder to extend in, and the inner wall of the lower end opening of the connecting piece and the peripheral wall of the rotating shaft of the hydraulic swing oil cylinder are respectively provided with a matched key and a groove to form circumferential connection.
In the above aspects, in order to avoid jamming during operation of the device, preferably, the vertical section of the boom is constrained to the base by a bearing assembly, the bearing assembly comprising:
the bearing frame is provided with a ring wall which is vertically arranged and a flange which extends inwards from the edge of the lower end of the ring wall, and the ring wall and the flange are sleeved on the periphery of the vertical section of the suspension rod and are fixed relative to the base;
the rolling bearing is sleeved on the outer periphery of the vertical section of the suspender and the inner periphery of the annular wall of the bearing frame and is supported on the flange, and the rolling bearing and the suspender can move up and down relative to the bearing frame under the action of external force.
In this way, the vertical section is constrained to the base in such a way as to be able to rotate smoothly about its own axis and to move up and down, thus making the utility model more suitable for heavy flat covers.
Preferably, at least two rolling bearings are arranged at the periphery of the vertical section of the suspension rod at intervals along the up-down direction, and two adjacent rolling bearings are separated by a spacing ring sleeved on the periphery of the vertical section of the suspension rod.
Further, the rolling bearing is a deep groove ball bearing.
Preferably, the lifting member has a lifting bar extending downwardly relative to the transverse section of the boom, the lower end of the lifting bar being provided with means for attaching a flat cover.
In each of the above solutions, in order to avoid shaking of the device during the opening operation, preferably, the flat cover is an end cover disposed on the top of the vertical pressure vessel, and the vertical pressure vessel is the base. In this way, structural stability can be improved.
Compared with the prior art, the utility model has the advantages that: the arc-shaped grooves are formed in the side peripheral walls of the vertical sections of the suspenders, the adaptive movable columns and the driving mechanism are arranged, the movable columns can be driven to move from the first section grooves to the second section grooves of the arc-shaped grooves through the rotation power of the output ends of the driving mechanism, and at the moment, the suspenders can be jacked upwards under the action of the movable columns moving from the first section grooves to the second section grooves because the heights of the second section grooves are lower than those of the first section grooves, so that the flat covers are lifted upwards; then the driving mechanism can drive the movable column to continue to horizontally move in the second section groove until the movable column is propped against the end part of the second section groove, and then the vertical section can be driven to rotate around the axis of the vertical section, so that the flat cover is driven to rotate, and the flat cover is opened. Therefore, the utility model can realize the opening of the flat cover through one set of driving mechanism, has simple structure and is convenient to implement.
Drawings
FIG. 1 is a state diagram of the use of an embodiment of the present utility model;
fig. 2 is an enlarged view of a portion a in fig. 1;
FIG. 3 is a schematic view of a part of the vertical section of the boom in an embodiment of the utility model;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a schematic view of an unfolded arc-shaped groove according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a mounting structure of a driving mechanism according to an embodiment of the present utility model;
FIG. 7 is a schematic illustration of the configuration of a spline adapter in an embodiment of the present utility model;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a cross-sectional view taken along the direction A-A in FIG. 8;
fig. 10 is an enlarged view of a portion B in fig. 1;
FIG. 11 is a schematic view of a limit gasket according to an embodiment of the present utility model;
fig. 12 is a sectional view taken along the direction B-B in fig. 11.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 12, a preferred embodiment of a device for opening a heavy duty flat cover according to the present utility model comprises a base 1, a boom 2, a driving mechanism 4, a movable column 5, a connecting member 6, and a bearing assembly 7.
The flat cover 8 of this embodiment is an end cover disposed on the top of the vertical pressure vessel, and the vertical pressure vessel is the base 1 described above.
The boom 2 has an upwardly extending vertical section 21 and a transverse section 22 folded from the upper end of the vertical section 21 to extend. The vertical section 21 is provided beside the base 1 and is constrained to the base 1 in such a way as to be able to rotate about its own axis and to move up and down. The ends of the transverse segments 22 are provided with lifting members 3 for lifting the flat cover 8.
Specifically, to achieve smooth movement and rotation of the vertical section 21 of the boom 2, as shown in fig. 1 and 10, the vertical section 21 is constrained to the base 1 by a bearing assembly 7, and the bearing assembly 7 includes a bearing bracket 71 and a rolling bearing 72, wherein the bearing bracket 71 has a vertically disposed annular wall 711, and a flange 712 extending inward from a lower end edge of the annular wall 711, and the annular wall 711 and the flange 712 are fitted around the outer periphery of the vertical section 21 of the boom 2 and fixed relative to the base 1. The rolling bearing 72 is a conventional deep groove ball bearing, which is fitted around the outer periphery of the vertical section 21 of the boom 2 and the inner periphery of the annular wall 711 of the bearing frame 71, and is supported on the flange 712, and the rolling bearing 72 and the boom 2 can move up and down with respect to the bearing frame 71 together under the action of an external force. In the present embodiment, two rolling bearings 72 are provided and arranged at intervals in the up-down direction on the outer periphery of the vertical section 21 of the boom 2, and the adjacent two rolling bearings 72 are partitioned by a partition ring 73 fitted around the outer periphery of the vertical section 21 of the boom 2.
In order to be able to hoist the flat cover 8 well, the hoisting member 3 has a hoisting rod 31 extending downwards relative to the transverse section 22 of the boom 2, the lower end of the hoisting rod 31 being provided with means for connecting the lifting lug on the flat cover 8. In this embodiment, the lifting rod 31 is a screw, the upper end of which passes through the transverse section 22 and is screwed onto the transverse section 22 by means of a fastening nut 32 and a locknut 33 located above the fastening nut 32. And a limit washer 34 is arranged between the fastening nut 32 and the transverse section 22, the limit washer 34 is sleeved on the periphery of the screw, and the cross section shape of the limit washer 34 is shown in fig. 12 so as to be matched with the cross section shape of the transverse section 22.
Meanwhile, as shown in fig. 1 to 5, an arc-shaped groove 210 extending circumferentially is provided on a side peripheral wall of a lower end portion of the vertical section 21, the arc-shaped groove 210 has a first section groove 211 and a second section groove 212 which are sequentially arranged and are communicated smoothly in an extending direction thereof, the first section groove 211 is horizontally arranged, the second section groove 212 is horizontally arranged and is located at a lower height than the first section groove 211, and the second section groove 212 is connected with the first section groove 211 through a chute 213. The movable column 5 is inserted into the first section slot 211 of the arc-shaped slot 210. The output end of the driving mechanism 4 acts on the movable column 5 to drive the movable column 5 to rotate around the axis of the vertical section 21, so that the driving mechanism 4 can drive the movable column 5 to move from the first section groove 211 to the second section groove 212 of the arc-shaped groove 210 until abutting against the end part of the second section groove 212, and then drive the vertical section 21 to rotate around the axis thereof. And the boom 2 is lifted up by the movable column 5 moving from the first-stage groove 211 to the second-stage groove 212.
In this embodiment, in order to make the driving mechanism 4 better drive the movable column 5 to rotate, as shown in fig. 6 to 10, the driving mechanism 4 is a hydraulic swing cylinder, and has an upwardly extending shaft 41 as an output end of the driving mechanism 4, a spline adapter is sleeved on the shaft 41 as a connecting piece 6, the connecting piece 6 is in a vertically through upright cylindrical shape (coaxially arranged with the shaft 41), the lower end of the connecting piece 6 is opened to allow the shaft 41 of the hydraulic swing cylinder to extend in, the inner wall of the lower end opening of the connecting piece 6 is provided with grooves 61 which are circumferentially spaced and vertically extended, the circumferential wall of the shaft 41 of the hydraulic swing cylinder is provided with keys 42 which are circumferentially spaced and vertically extended, and each key 42 is inserted in the corresponding groove 61, so that circumferential linkage can be generated between the shaft 41 of the hydraulic swing cylinder and the connecting piece 6, that is, the shaft 41 of the hydraulic swing cylinder can drive the connecting piece 6 to rotate synchronously. At the same time, the upper end of the connecting piece 6 is opened, the lower end of the vertical section 21 of the boom 2 is inserted, and the connecting piece 6 is arranged coaxially with the vertical section 21. The movable column 5 is disposed on the side wall of the connecting piece 6 corresponding to the arc-shaped groove 210.
Thus, when the flat cover 8 needs to be opened, the precursor movable column 5 moves from the first section groove 211 to the second section groove 212 of the arc-shaped groove 210, and at this time, the second section groove 212 is lower than the first section groove 211, so that the hanging rod 2 can be lifted upwards under the action of the movable column 5 moving from the first section groove 211 to the second section groove 212, thereby lifting the flat cover 8 upwards and separating the flat cover 8 from the vertical pressure container; then the driving mechanism 4 drives the movable column 5 to continue to horizontally move in the second section groove 212 until the movable column abuts against the end part of the second section groove 212, and then the vertical section 21 can be driven to rotate around the axis of the vertical section, so that the flat cover 8 is driven to rotate, and the flat cover 8 is opened.
When the flat cover 8 needs to be closed, the movable column 5 is driven to rotate in the opposite direction, namely, the precursor movable column 5 is driven to move from the second section groove 212 to the first section groove 211 until the precursor movable column abuts against the end part of the first section groove 211, and then the vertical section 21 can be driven to rotate to close the flat cover 8.
In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.
The term "vertical" is also used in the present description and claims to mean substantially in the vertical direction, not limited to only the vertical direction, but also slightly inclined with respect to the vertical direction.
Claims (10)
1. A device for opening a heavy duty flat cover comprising:
a base (1);
a boom (2) having an upwardly extending vertical section (21) and a lateral section (22) folded to extend from the upper end of the vertical section (21), the end of the lateral section (22) being provided with a lifting member (3) for lifting the flat cover (8), the vertical section (21) being constrained to the base (1) so as to be rotatable about its own axis and to move up and down;
a driving mechanism (4);
the method is characterized in that:
the side peripheral wall of the vertical section (21) of the boom (2) is provided with a circumferentially extending arc-shaped groove (210), the arc-shaped groove (210) is provided with a first section groove (211) and a second section groove (212) which are sequentially arranged and are in smooth communication in the extending direction, and the second section groove (212) is horizontally arranged and is positioned at a height lower than that of the first section groove (211);
the device also comprises:
a movable column (5) inserted into the first section groove (211) of the arc-shaped groove (210);
the output end of the driving mechanism (4) acts on the movable column (5) to drive the movable column (5) to rotate around the axis of the vertical section (21), so that the driving mechanism (4) can drive the movable column (5) to move from the first section groove (211) to the second section groove (212) of the arc-shaped groove (210) until abutting against the end part of the second section groove (212), and then drive the vertical section (21) to rotate around the axis of the vertical section;
and the suspender (2) is jacked up under the action of the movable column (5) moving from the first section groove (211) to the second section groove (212).
2. The apparatus according to claim 1, wherein: the first section groove (211) is horizontally arranged, and is connected with the second section groove (212) through a chute (213).
3. The apparatus according to claim 1, wherein: the utility model also comprises a vertical cylindrical connecting piece (6);
the lower end part of the vertical section (21) of the suspender (2) is provided with the arc-shaped groove (210) and is inserted into the upper end opening of the connecting piece (6), and the arc-shaped groove are coaxially arranged;
the output end of the driving mechanism (4) is restrained with the connecting piece (6) so as to drive the connecting piece (6) to rotate around the axis of the connecting piece;
the movable column (5) is arranged on the side wall of the connecting piece (6) corresponding to the arc-shaped groove (210).
4. A device according to claim 3, characterized in that: the driving mechanism (4) is a hydraulic swing oil cylinder.
5. The apparatus according to claim 4, wherein: the connecting piece (6) is a spline adapter, the lower end of the connecting piece is open for the rotating shaft of the hydraulic swing oil cylinder to extend in, and the inner wall of the lower end opening of the connecting piece (6) and the peripheral wall of the rotating shaft of the hydraulic swing oil cylinder are respectively provided with a matched key and a groove to form circumferential connection.
6. The apparatus according to any one of claims 1 to 5, wherein: the vertical section (21) of the boom (2) is constrained to the base (1) by a bearing assembly (7), the bearing assembly (7) comprising:
a bearing bracket (71) which is provided with a ring wall (711) arranged vertically and a flange (712) extending inwards from the lower end edge of the ring wall (711), wherein the ring wall (711) and the flange (712) are sleeved on the periphery of the vertical section (21) of the suspender (2) and are fixed relative to the base (1);
the rolling bearing (72) is sleeved on the outer periphery of the vertical section (21) of the suspender (2) and the inner periphery of the annular wall (711) of the bearing frame (71), and is supported on the flange (712), and the rolling bearing (72) and the suspender (2) can move up and down relative to the bearing frame (71) under the action of external force.
7. The apparatus according to claim 6, wherein: at least two rolling bearings (72) are arranged at the periphery of the vertical section (21) of the boom (2) at intervals along the up-down direction, and the two adjacent rolling bearings (72) are separated by a spacing ring (73) sleeved on the periphery of the vertical section (21) of the boom (2).
8. The apparatus according to claim 6, wherein: the rolling bearing (72) is a deep groove ball bearing.
9. The apparatus according to any one of claims 1 to 5, wherein: the lifting part (3) is provided with a lifting rod (31) extending downwards relative to the transverse section (22) of the lifting rod (2), and the lower end of the lifting rod (31) is provided with a structure for connecting the flat cover (8).
10. The apparatus according to any one of claims 1 to 5, wherein: the flat cover (8) is an end cover arranged at the top of the vertical pressure container, and the vertical pressure container is the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322157044.2U CN220566553U (en) | 2023-08-10 | 2023-08-10 | Device for opening heavy flat cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322157044.2U CN220566553U (en) | 2023-08-10 | 2023-08-10 | Device for opening heavy flat cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220566553U true CN220566553U (en) | 2024-03-08 |
Family
ID=90090076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322157044.2U Active CN220566553U (en) | 2023-08-10 | 2023-08-10 | Device for opening heavy flat cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220566553U (en) |
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2023
- 2023-08-10 CN CN202322157044.2U patent/CN220566553U/en active Active
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