CN215048102U - Inner tank wall plate transporting device for large-scale low-temperature storage tank - Google Patents
Inner tank wall plate transporting device for large-scale low-temperature storage tank Download PDFInfo
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- CN215048102U CN215048102U CN202120930180.9U CN202120930180U CN215048102U CN 215048102 U CN215048102 U CN 215048102U CN 202120930180 U CN202120930180 U CN 202120930180U CN 215048102 U CN215048102 U CN 215048102U
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- turntable
- trolley
- storage tank
- track
- slide rail
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Abstract
A device for transporting a tank wall plate in a large low-temperature storage tank comprises a track arranged in the storage tank, wherein a trolley is connected to the track in a sliding manner; the trolley is connected to the track through a pulley; the top surface of the trolley is provided with a turntable, the rotating axis of the turntable is vertical to the ground, and the turntable is driven by a power device to rotate; the turntable is connected with a steel plate supporting structure; the trolley is connected with an annular slide rail, and the annular slide rail encloses a cylindrical hollow axis and is vertical to the ground; the bottom surface of the turntable is connected with at least 3 groups of pulleys, and the rotating axis of each group of pulleys passes through the annular slide rail to form a hollow axis of a cylinder; each group of pulleys are axisymmetrical, a bearing device is also connected between the trolley and the turntable, and the rotating axis of the bearing device is superposed with the hollow axis of the cylinder enclosed by the annular slide rail; the bearing device is arranged below the turntable; the turntable is also connected with a transmission mechanism correspondingly connected with the power device. Adopt the utility model discloses afterwards, can carry out the operation of transporting to the side simply and conveniently, safely.
Description
Technical Field
The utility model belongs to engineering construction auxiliary device specifically is a large-scale low temperature storage tank inner tank wallboard device of transporting.
Background
The tank wall plate of the storage tank is welded from bottom to top in a circle/layer mode, a single steel plate (an arc shape corresponding to the tank wall) is welded into a circle along the circumferential direction of the storage tank, a circle of … … is welded on the upper edge of the circle, construction is carried out according to the process, and finally the dome installation is carried out after the top is reached. In the construction process, in the semi-finished product stage of the storage tank, a door opening is formed in the side face of the lower portion of the tank wall and used as a passage for logistics and people flow, the steel plate is manually transported into the tank by a plate trailer, and after the steel plate is erected, the steel plate is rotated by a certain angle, so that the arc of the steel plate corresponds to the arc of the position of the tank wall, and finally the steel plate is conveyed to a construction position. In the construction process, due to the limited space in the tank, hoisting engineering machinery such as a gantry crane or the like is inconvenient to install or drive into a crane, and the standby electric hoist is mostly used during welding construction of the wall plate. Because the two electric hoists are positioned on the wall plate and the two hoisting cables are basically positioned on the same surface (parallel to the wall plate), the steering operation after the single steel plate is hoisted is difficult to achieve, and in addition, the area and the weight of the single steel plate are large, great difficulty is brought to the transportation, and great potential safety hazards exist.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a large-scale low-temperature storage tank inner tank wallboard transporting device, which comprises a track arranged in a storage tank, wherein a trolley is connected on the track in a sliding way; the track is arranged at the bottom of the storage tank, the starting end of the track is arranged outside the door opening of the storage tank in a construction state, the terminal point of the track extends into the storage tank from the door opening, and the length of the track is not less than the radius of the storage tank; the trolley is connected to the track through a pulley;
the top surface of the trolley is provided with a turntable, the rotating axis of the turntable is vertical to the ground, and the turntable is driven by a power device to rotate; the turntable is connected with a steel plate supporting structure;
the trolley is connected with an annular slide rail, and the annular slide rail encloses a cylindrical hollow axis and is vertical to the ground; the bottom surface of the turntable is connected with at least 3 groups of pulleys, and the rotating axis of each group of pulleys passes through the annular slide rail to form a hollow axis of a cylinder; each group of pulleys are axisymmetric;
a bearing device is also connected between the trolley and the turntable, and the rotating axis of the bearing device is superposed with the hollow axis of the cylinder enclosed by the annular slide rail; the bearing device is arranged below the turntable;
the turntable is also connected with a transmission mechanism correspondingly connected with the power device.
The principle of the device is that materials (mainly a single wall plate, namely a steel plate) are sent into the inner space of the tank from the door opening of the low-temperature storage tank in the construction stage through the rail and the trolley on the rail. The most suitable distance from the construction position is reached, and the steel plate is rotated to enable the radian of the steel plate to correspond to the radian of the wall plate at the construction position. And then the coaming installation is carried out by two electric hoists for wallboard installation/welding.
In the rotating structure of the turntable, the annular track and the pulley of the turntable are mainly used for supporting, and the bearing device is mainly used for limiting the rotating axis. The structure is particularly suitable for large bearing weight of the device in use scenes.
In the specific implementation:
-the trolley is a steel frame structure.
Because the volume of the transported materials is large, the weight is large, and the environment of the operation site is poor, the steel frame structure welded/connected by square steel, I-shaped steel and the like is more suitable.
In addition, the pulley that the dolly adopted is steel edge is "worker" style of calligraphy wheel (sheave), and intensity is high, and it is firm with the track joint. The pulley of the turntable can be said to be an I-shaped (grooved pulley) or I-shaped pulley at the edge of the steel,
-leaving a gap between the body of the steel plate support structure and the top surface of the turntable; the power device is a motor, and the motor is connected with the trolley.
The main body of the steel plate supporting structure is connected to the top surface of the rotary table through the supporting legs, and a gap is reserved between the main body of the steel plate supporting structure and the top surface of the rotary table, so that a transmission mechanism and the like are conveniently mounted.
The main body of the motor is arranged on the trolley. For the trolley with the frame structure, the main body of the motor is installed on the frame and deviates from the position of the turntable, and only part of the driving shaft is exposed out of the top surface of the trolley and corresponds to the height of the turntable.
The motor is connected with the rotary table through a belt transmission mechanism, an output shaft of the motor is connected with a driving belt pulley, the driven belt pulley is located in the gap, and the axis of the driven belt pulley and the axis of the annular slide rail form a cylinder hollow axis coincidence; the driven belt pulley is fixed on the turntable; the path of the drive belt passes through the gap.
Or the motor is connected with the turntable through a chain transmission mechanism, an output shaft of the motor is connected with a driving chain wheel, the driven chain is positioned in the gap, and the axis of the driven chain wheel and the annular slide rail enclose a cylindrical hollow axis to be superposed; the driven chain wheel is fixed on the turntable; the path of the drive chain passes through the gap.
Both types of transmission mechanisms are suitable for the conveying device. And selecting according to the construction site.
For large-area turntables, belt drives are proposed. When the device is manufactured, the annular steel plate is welded on the top surface of the turntable to serve as the driven belt pulley. Because the bearing of carousel is big, the moment of torsion that receives when the motor starts is very big, adopts belt transmission to allow to produce the belt pulley condition of skidding in the start-up process, and the motor is difficult because of big moment of torsion damages.
Compared with belt transmission, although the rotation angle of chain transmission is more accurate, the driven chain wheel in single chain transmission brings high cost due to large diameter, and the cost of the transmission chain is also high. The requirements on the motor itself are also high. In addition, the use requirement of the device is not high, the precision requirement is not high, and the allowance is large during hoisting.
The bearing of the bearing device is connected to the trolley, and the rotating shaft of the bearing device is connected to the bottom surface of the turntable.
Due to the frame structure of the trolley, the position of the bearing can be similar to the position of the motor body, on the steel frame of the trolley.
-the steel plate support structure is a steel frame structure; the length of the steel plate supporting structure is larger than that of the trolley, and the width of the steel plate supporting structure is not larger than that of the trolley.
According to the structural design, on the premise that the overall size of the trolley is not increased, the supporting area of the steel plate supporting structure is large, and the steel plate supporting structure is favorable for stably supporting a large-size steel plate. The steel plate supporting structure is also made of square steel, I-shaped steel and the like through welding/connection.
The head end and the tail end of the track are respectively connected with a stop block, and the front end and the rear end of the trolley are connected with rubber pads corresponding to the stop blocks.
When the trolley moves to the head end and the tail end of the track, the trolley is blocked by the stop blocks, and the stop blocks and the trolley body of the trolley are separated by the rubber pads, so that the trolley is prevented from derailing.
Adopt the utility model discloses afterwards, can carry out the operation of transporting to the side simply and conveniently, safely.
Drawings
FIG. 1 is a schematic view from the front of the present device;
FIG. 2 is a schematic view of the pulley connection structure of the turntable and the trolley in the top view of FIG. 1;
FIG. 3 is a partial schematic view of the belt drive mechanism of FIG. 1 from a top view;
FIG. 4 is a schematic view of the frame structure of the cart in the bottom view of FIG. 1;
fig. 5 is a schematic view (depression) of the usage scene of the reverse transportation device;
in the figure: the device comprises a track 1, a trolley 2, a trolley pulley 3, a turntable 4, a steel plate supporting structure 5, an annular slide rail 6, a turntable pulley 7, a bearing device 8, a motor 9, a driving belt pulley 10, a driven belt pulley 11, a transmission belt 12, a stop block 13, a rubber mat 14, square steel 15, I-shaped steel 16, a storage tank door opening position 17, a tank wall 18 and a single wall plate 19.
Detailed Description
The present disclosure is further described with reference to the following drawings and detailed description:
referring to fig. 1, a device for transporting inner tank wall plates of a large-scale low-temperature storage tank. Comprises a track 1 arranged in a storage tank, wherein the track 1 is connected with a trolley 2 in a sliding way; the track 1 is arranged at the bottom of the storage tank, the starting end of the track 1 is arranged outside a door opening of the storage tank in a construction state, the terminal point of the track 1 extends into the storage tank from the door opening, and the length of the track is not less than the radius of the storage tank; the trolley 2 is connected to the rail through a pulley (in the figure, the pulley 3 of the trolley is indicated);
the top surface of the trolley 2 is provided with a turntable 4, the rotating axis of the turntable is vertical to the ground, and the turntable 4 is driven by a power device (a motor 9) to rotate; the turntable is connected with a steel plate supporting structure 5;
referring to fig. 2 again, the trolley is connected with an annular slide rail 6, and the hollow axis of the cylinder enclosed by the annular slide rail is vertical to the ground; the bottom surface of the turntable is connected with at least 3 groups of pulleys (in the figure, the pulleys 7 of the turntable indicate 4 groups in the example), and the rotating axes of the pulleys of each group penetrate through the annular slide rail to form a hollow axis of a cylinder; the pulleys of each group are axisymmetric.
A bearing device 8 is also connected between the trolley and the turntable, and the rotating axis of the bearing device is superposed with the hollow axis of the cylinder enclosed by the annular slide rail; the bearing device is arranged below the turntable;
the turntable is also connected with a transmission mechanism correspondingly connected with the power device.
In this example:
referring again to fig. 4, the cart is a steel frame structure.
A gap is reserved between the main body of the steel plate supporting structure and the top surface of the turntable; the power device is a motor 9 which is connected with the trolley.
Referring to fig. 3 again, the motor is connected with the turntable through a belt transmission mechanism, an output shaft of the motor 9 is connected with a driving belt pulley 10, a driven belt pulley 11 is positioned in the gap, and the axis of the driven belt pulley and the annular slide rail enclose a cylindrical hollow axis to coincide; the driven belt pulley 11 is fixed on the turntable 4; the path of the drive belt 12 passes through the gap.
Or the motor is connected with the turntable through a chain transmission mechanism, an output shaft of the motor is connected with a driving chain wheel, the driven chain is positioned in the gap, and the axis of the driven chain wheel and the annular slide rail enclose a cylindrical hollow axis to coincide; the driven chain wheel is fixed on the turntable; the path of the drive chain passes through the gap.
The present example uses a belt drive.
The bearing of the bearing device 8 is connected to the trolley, and the rotating shaft of the bearing device is connected to the bottom surface of the turntable.
The steel plate supporting structure is a steel frame structure; the length of the steel plate supporting structure is larger than that of the trolley, and the width of the steel plate supporting structure is not larger than that of the trolley.
The head end and the tail end of the track are respectively connected with a stop block 13, and the front end and the rear end of the trolley are connected with rubber pads 14 corresponding to the stop blocks.
Referring to fig. 5, in the storage tank construction stage, the device is used for replacing a plate trailer to transport steel into a tank. A rail and a trolley are arranged at a door opening of the low-temperature storage tank (in the figure, the position 17 of the door opening of the storage tank indicates), an electric turntable is additionally arranged on the trolley, after a single wallboard 19 reaches the interior of the tank, the electric turntable is used for enabling the single wallboard (an arc-shaped steel plate) to correspond to the arc at the corresponding position of the tank wall 18, two electric hoists used when the wallboards are welded can be directly used for enclosing the plates, and a crane is not needed for hoisting in the interior of the tank.
After the transporting device is adopted, the construction efficiency can be obviously improved, and the method comprises the following steps: a plurality of single wall plates can be stacked and loaded on the trolley at one time, and are sequentially taken from top to bottom after entering the tank. The steel plates are stacked on cushion blocks (such as wood cushion blocks) of a steel plate supporting structure, because the steel plates are arc-shaped, the arc-shaped convex surfaces face downwards and do not contact the bottom surface, the upper steel plate has the same storage mode as the lower steel plate, and the upper steel plate and the lower steel plate are separated by the cushion blocks and stacked one by one. The steel plate supporting structure of the steel frame structure is beneficial to the placement of the arc-shaped bulges at the hollow position of the frame.
When taking a steel plate, the turntable is rotated, and the electric hoist is adopted to assist the coaming plate. When the next steel plate is taken, the rotary table is rotated, and the operation in the previous step is repeated.
Claims (8)
1. A device for transporting inner tank wall plates of a large-scale low-temperature storage tank is characterized by comprising a track arranged in the storage tank, wherein a trolley is connected to the track in a sliding manner; the track is arranged at the bottom of the storage tank, the starting end of the track is arranged outside the door opening of the storage tank in a construction state, the terminal point of the track extends into the storage tank from the door opening, and the length of the track is not less than the radius of the storage tank; the trolley is connected to the track through a pulley;
the top surface of the trolley is provided with a turntable, the rotating axis of the turntable is vertical to the ground, and the turntable is driven by a power device to rotate; the turntable is connected with a steel plate supporting structure;
the trolley is connected with an annular slide rail, and the annular slide rail encloses a cylindrical hollow axis and is vertical to the ground; the bottom surface of the turntable is connected with at least 3 groups of pulleys, and the rotating axis of each group of pulleys passes through the annular slide rail to form a hollow axis of a cylinder; each group of pulleys is axisymmetric
A bearing device is also connected between the trolley and the turntable, and the rotating axis of the bearing device is superposed with the hollow axis of the cylinder enclosed by the annular slide rail; the bearing device is arranged below the turntable;
the turntable is also connected with a transmission mechanism correspondingly connected with the power device.
2. The large cryogenic storage tank inner tank wall panel transfer device of claim 1, wherein the cart is a steel frame structure.
3. The large cryogenic storage tank inner tank wall panel transfer device of claim 1, wherein a gap is left between the main body of the steel plate support structure and the top surface of the turntable; the power device is a motor, and the motor is connected with the trolley.
4. The large-scale low-temperature storage tank inner tank wall plate conveying device as claimed in claim 3, wherein the motor is connected with the rotary table through a belt transmission mechanism, a driving belt pulley is connected to an output shaft of the motor, the driven belt pulley is located in the gap, and the axis of the driven belt pulley and the annular slide rail enclose a cylindrical hollow axis to coincide; the driven belt pulley is fixed on the turntable; the path of the drive belt passes through the gap.
5. The large-scale cryogenic storage tank inner tank wall plate conveying device according to claim 4, wherein the motor is connected with the rotary table through a chain transmission mechanism, an output shaft of the motor is connected with a driving chain wheel, a driven chain is positioned in the gap, and the axis of the driven chain wheel is overlapped with the axis of a cylinder hollow surrounded by the annular slide rail; the driven chain wheel is fixed on the turntable; the path of the drive chain passes through the gap.
6. The wall plate transportation device for the inner tank of the large-scale cryogenic storage tank according to claim 1, wherein the bearing of the bearing device is connected to the trolley, and the rotating shaft of the bearing device is connected to the bottom surface of the turntable.
7. The large cryogenic storage tank inner tank wall panel transfer device of claim 2, wherein the steel plate support structure is a steel frame structure; the length of the steel plate supporting structure is larger than that of the trolley, and the width of the steel plate supporting structure is not larger than that of the trolley.
8. The large cryogenic storage tank inner tank wall plate conveying device according to claim 1, wherein the front end and the rear end of the rail are respectively connected with a stop block, and the front end and the rear end of the trolley are respectively connected with a rubber mat corresponding to the stop blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120930180.9U CN215048102U (en) | 2021-04-30 | 2021-04-30 | Inner tank wall plate transporting device for large-scale low-temperature storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120930180.9U CN215048102U (en) | 2021-04-30 | 2021-04-30 | Inner tank wall plate transporting device for large-scale low-temperature storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215048102U true CN215048102U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120930180.9U Active CN215048102U (en) | 2021-04-30 | 2021-04-30 | Inner tank wall plate transporting device for large-scale low-temperature storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215048102U (en) |
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2021
- 2021-04-30 CN CN202120930180.9U patent/CN215048102U/en active Active
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