Wind-resistant device for inverted construction of large storage tank and use method of wind-resistant device

Abstract

The invention relates to the technical field of large storage tank construction wind-resistant devices, in particular to a large storage tank upside-down construction wind-resistant device and a using method thereof. The device comprises a base; the left side and the right side of the embracing ring are respectively provided with a base, ratchet rods are fixedly connected to the inner sides of the bases, pull ropes are fixedly connected between the outer ends of the bases and the tops of the ratchet rods on the corresponding sides, the ratchet rods are sleeved with sliding blocks, installation holes are formed in the outer ends of the sliding blocks, stop rods are installed on the installation holes, and stop teeth are arranged at the inner ends of the stop rods. And a tension device capable of pressing the inner end of the stop rod is mounted on the stop rod. The lifting and rotating device is reasonable and compact in structure and convenient to use, can effectively resist transverse wind power through cooperative use of the base, the holding ring, the ratchet rod, the connecting frame and the pull rope, ensures stability of a tank body in the lifting and rotating process, reduces the overturning risk of the tank body caused by the wind power, has the characteristics of safety and reliability, facilitates operation, improves the working efficiency, and is suitable for popularization and application. And the cost and the potential safety hazard are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of large-scale storage tank construction wind-resistant devices, in particular to a large-scale storage tank inverted installation method construction wind-resistant device and a use method thereof. Background Art

[0002] At present, during the construction process of the inverted installation method of large storage tanks, wind force has a great impact on the assembly of the tank body. During the hydraulic lifting process and the process of installing the tank wall after lifting into place, the wind force on the tank body is borne entirely by the hydraulic cylinder. Sometimes the wind load can even reach tens of tons to more than one hundred tons. The tank body is in danger of overturning due to wind force, which brings great safety hazards to the construction.

[0003] Patent document CN101446143B discloses a wind-resistant device for large-scale storage tanks constructed by inverted installation method and its use method, the wind-resistant device for large-scale storage tanks constructed by inverted installation method comprises a tank wall and an expansion ring, there is a clamping platform on the tank wall, the expansion ring can be supported on the clamping platform, the expansion ring is lifted by a hydraulic cylinder, and also comprises an inclined support rod and a vertical rod; the lower end of the inclined support rod is connected to the tank bottom plate, the upper end of the inclined support rod is connected to the upper end of the vertical rod, the lower end of the vertical rod is connected to the tank bottom plate, and the upper part of the vertical rod is installed together with the inner side of the expansion ring. The processing method of the large-scale storage tank targeted by this technical scheme is a state in which the large-scale storage tank is not rotated but only lifted, but in the processing process of the large-scale storage tank, it is necessary to weld a layer of the storage tank by using a whole steel coil. This processing method requires that after the first layer is processed, the lower several layers must rotate together with the upper layer, and then the entire circle of the storage tank is welded by using a welding structure in a fixed position. This technical scheme can no longer meet the existing processing requirements and has safety hazards.

[0004] Therefore, there is a need for a large-scale storage tank inverted installation method to solve the above-mentioned problems and a method for using the same. Summary of the invention

[0005] The present invention provides a wind-resistant device for construction of a large storage tank by an inverted installation method and a method for using the device, which overcomes the shortcomings of the above-mentioned prior art and can effectively solve the problem that the prior art only targets the state of jacking up the large storage tank without rotating, which can no longer meet the existing processing requirements and has potential safety hazards.

[0006] One of the technical solutions of the present invention is achieved through the following measures: a wind-resistant device for constructing a large storage tank by an inverted installation method, comprising a base, a holding ring, a ratchet rod and a connecting frame; a base is installed on the left and right sides of the holding ring respectively, a ratchet rod is fixedly connected to the inner side of the base, a pull rope is fixedly connected between the outer end of the base and the top of the ratchet rod on the corresponding side, a slot is provided on the top surface of the ratchet rod, an insertion rod is fixedly connected to the left bottom and the right bottom of the connecting frame respectively, the insertion rods of the connecting frame are respectively correspondingly installed in the slots of the tooth rod, a slider is mounted on the ratchet rod, a mounting hole is provided at the outer end of the slider, a cut-off rod is installed on the mounting hole, a cut-off tooth is provided at the inner end of the cut-off rod, teeth are evenly distributed along the axial direction on the outer side of the ratchet rod, the cut-off teeth on the cut-off rod and the teeth on the ratchet rod are meshed together, and a tensioning device that can press the inner end of the cut-off rod is installed on the cut-off rod.

[0007] The following is a further optimization and / or improvement of one of the above-mentioned technical solutions: The above-mentioned cut-off teeth are oblique teeth with lower inner sides and higher outer sides, and the teeth on the ratchet rod are oblique teeth with lower inner sides and higher outer sides.

[0008] The above-mentioned tensioning device is a tension spring; a connecting head is integrally fixed at the outer end of the cut-off rod, the outer diameter of the connecting head is larger than the outer diameter of the cut-off rod, a tension spring is sleeved on the cut-off rod between the connecting head and the slider, the inner end of the tension spring is fixedly connected to the slider, and the outer end of the tension spring is fixedly connected to the connecting head.

[0009] The above-mentioned sliding block is provided with a vertical mounting long hole, the sliding block is sleeved on the ratchet rod through the mounting long hole, and the mounting long hole is connected with the mounting hole.

[0010] A lower mounting groove is provided on the inner upper part of the base, the holding ring is installed in the lower mounting groove, and the ratchet rod is located on the inner side of the holding ring.

[0011] The above-mentioned holding ring includes at least two arc sections, and connecting blocks are fixedly connected to the outer ends of the arc sections respectively, and the adjacent arc sections are fixedly installed together through connecting blocks and connecting bolts; or / and, a lifting ring is fixedly connected to the top of the connecting frame.

[0012] An upper mounting groove is provided in the middle of the inner side of the slider, a shaft is fixedly installed in the upper mounting groove, and an outer extrusion wheel is installed on the shaft; connecting columns are fixedly connected to the inner upper part and the inner lower part of the slider respectively, and the side extrusion wheel is connected to the connecting columns.

[0013] The above also includes an upper tank wall, on which a guide ring is fixedly connected, and the left and right sides of the guide ring are spaced apart from the upper tank wall respectively, and the left and right sides of the guide ring are respectively mounted between the corresponding side extrusion wheels and the outer extrusion wheels, and the side extrusion wheels and the outer extrusion wheels are respectively pressed against the corresponding guide rings.

[0014] The second technical solution of the present invention is achieved through the following measures: a method for using a wind-resistant device for constructing a large storage tank by an inverted installation method, which is carried out according to the following steps: the first step is to process the upper tank wall, and after the upper tank wall is processed, a guide ring is welded on the upper tank wall; the second step is to assemble the holding ring, and then install the ratchet rod and the assembled holding ring on the base, and put the slider on the ratchet rod, and at the same time, the side extrusion wheel and the outer extrusion wheel on the slider are put on the guide ring at the corresponding position, and a pull rope is connected between the outer end of the base and the top of the corresponding side ratchet rod; the third step is to hoist the lifting ring to drive the connecting frame to insert the plug rod into the slot at the upper end of the corresponding ratchet rod; the fourth step is to hoist the lower tank wall to be assembled Before the work, the upper tank wall is lifted. During the lifting, the upper tank wall drives the guide ring to rise, and then the side extrusion wheel moves upward with the slider on the ratchet rod. At this time, the cut-off teeth on the cut-off rod squeeze the teeth on the ratchet rod under the action of the tension spring and move upward. After the upper tank wall is lifted to a predetermined height, the upper tank wall is stopped from being lifted, and the cut-off teeth at the inner end of the cut-off rod are stuck on the teeth of the ratchet rod, and the upper tank wall stops sliding; the fifth step is to process the lower tank wall to be assembled. During the processing, the upper tank wall and the tank wall to be assembled are driven to rotate together, and then the lower tank wall to be assembled and the upper tank wall are welded. During rotation, the upper tank wall is rotated while maintaining support under the action of the side extrusion wheel and the outer extrusion wheel in cooperation with the guide ring.

[0015] The following is a further optimization and / or improvement of the second technical solution of the above invention: In the fifth step, when processing the lower tank wall to be assembled, the upper tank wall and the lower tank wall to be assembled are aligned and the upper tank wall is seated on the lower tank wall to be assembled.

[0016] The present invention has a reasonable and compact structure and is easy to use. Through the coordinated use of the base, the holding ring, the ratchet rod, the connecting frame and the pull rope, it can effectively resist lateral wind force, ensure the stability of the tank body during the lifting and rotation process, and reduce the risk of tank overturning due to wind force. It has the characteristics of safety and reliability, facilitates operation, improves work efficiency, and reduces costs and safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Attached Figure 1 It is a schematic diagram of the main view and partial cross-section structure of the best embodiment of the present invention.

[0018] Attached Figure 2 For attachment Figure 1 An enlarged structural diagram of the connection between the middle slider and the ratchet rod.

[0019] Attached Figure 3 It is a schematic diagram of the top view of the holding ring in the present invention.

[0020] The codes in the accompanying drawings are: 1 is a base, 2 is a holding ring, 3 is a ratchet rod, 4 is a connecting frame, 5 is a pull rope, 6 is a slot, 7 is an insert rod, 8 is a slider, 9 is a cut-off rod, 10 is a cut-off tooth, 11 is a tensioning device, 12 is a connector, 13 is an installation long hole, 14 is a lower installation groove, 15 is an arc section, 16 is a connecting block, 17 is an upper installation groove, 18 is an outer extrusion wheel, 19 is a side extrusion wheel, 20 is an upper tank wall, 21 is a guide ring, 22 is a lifting ring, and 23 is a lower tank wall to be assembled. DETAILED DESCRIPTION

[0021] The present invention is not limited by the following embodiments, and specific implementation methods can be determined based on the technical solution of the present invention and actual conditions.

[0022] In the present invention, for the convenience of description, the relative position relationship of each component is described according to the attached Figure 1 The layout is described in detail, such as the positional relationship of front, back, top, bottom, left, right, etc., which is based on the attached manual. Figure 1 The layout direction is determined by the

[0023] The present invention will be further described below in conjunction with embodiments and drawings: Embodiment 1, as attached Figure 1 , 2 As shown in Figure 3, the wind-resistant device for constructing a large storage tank by the inverted installation method includes a base 1, an embracing ring 2, a ratchet rod 3 and a connecting frame 4; the base 1 is installed on the left and right sides of the embracing ring 2, the ratchet rod 3 is fixedly connected to the inner side of the base 1, a pull rope 5 is fixedly connected between the outer end of the base 1 and the top of the corresponding ratchet rod 3, a slot 6 is provided on the top surface of the ratchet rod 3, and an insertion rod 7 is fixedly connected to the left bottom and the right bottom of the connecting frame 4, and the insertion rod 7 of the connecting frame 4 is respectively installed in the slot 6 of the tooth rod, a slider 8 is sleeved on the ratchet rod 3, a mounting hole is provided at the outer end of the slider 8, a cut-off rod 9 is installed on the mounting hole, a cut-off tooth 10 is provided at the inner end of the cut-off rod 9, teeth are evenly distributed along the axial direction on the outer side of the ratchet rod 3, the cut-off teeth 10 on the cut-off rod 9 are meshed with the teeth on the ratchet rod 3, and a tensioning device 11 that can press the inner end of the cut-off rod 9 is installed on the cut-off rod 9. It may include a plurality of bases 1; in this way, through the coordinated use of the base 1, the holding ring 2, the ratchet rod 3, the connecting frame 4 and the pull rope 5, it is possible to effectively resist lateral wind force, ensure the stability of the tank body during the lifting and rotation process, reduce the risk of the tank body overturning due to wind force, have the characteristics of safety and reliability, facilitate operation, improve work efficiency, and reduce costs and safety hazards.

[0024] The above embodiment 1 may be further optimized and / or improved according to actual needs: As attached Figure 2As shown, the cut-off teeth 10 are helical teeth with lower inner sides and higher outer sides, and the teeth on the ratchet rod 3 are helical teeth with lower inner sides and higher outer sides. In this way, when the slider 8 moves up, the cut-off teeth 10 will move up with the slider 8, and when the slider 8 moves down, the cut-off teeth 10 will prevent the slider 8 from moving down.

[0025] As attached Figure 1 , 2 As shown, the tensioning device 11 is a tension spring; a connector 12 is integrally fixed to the outer end of the cut-off rod 9, the outer diameter of the connector 12 is larger than the outer diameter of the cut-off rod 9, a tension spring is sleeved on the cut-off rod 9 between the connector 12 and the slider 8, the inner end of the tension spring is fixedly connected to the slider 8, and the outer end of the tension spring is fixedly connected to the connector 12. In this way, the cut-off rod 9 is always pressed on the ratchet rod 3, so that the cut-off tooth 10 is always pressed on the tooth on the ratchet rod 3.

[0026] As attached Figure 1 , 2 As shown, a vertical installation slot 13 is provided on the slider 8, and the slider 8 is sleeved on the ratchet rod 3 through the installation slot 13, and the installation slot 13 is connected to the installation hole. In this way, the installation slot 13 facilitates the installation and sliding of the slider 8.

[0027] As attached Figure 1 As shown, a lower mounting groove 14 is provided on the inner upper part of the base 1, the holding ring 2 is installed in the lower mounting groove 14, and the ratchet rod 3 is located on the inner side of the holding ring 2. In this way, the holding ring 2 is conveniently mounted in the lower mounting groove 14 between the ratchet rod 3 and the base 1.

[0028] As attached Figure 1 , 3 As shown, the holding ring 2 includes at least two arc sections 15, and connecting blocks 16 are fixedly connected to the outer ends of the arc sections 15, and two adjacent arc sections 15 are fixedly installed together through the connecting blocks 16 and connecting bolts; or / and, a lifting ring 22 is fixedly connected to the top of the connecting frame. In this way, the holding ring 2 is easy to install and remove.

[0029] As attached Figure 1 , 2 As shown, an upper mounting groove 17 is provided in the middle of the inner side of the slider 8, a shaft is fixedly installed in the upper mounting groove 17, and an outer extrusion wheel 18 is installed on the shaft; connecting columns are fixedly connected to the inner upper part and the inner lower part of the slider 8, respectively, and a side extrusion wheel 19 is connected to the connecting columns. In this way, it is easy to install.

[0030] As attached Figure 1As shown, it also includes an upper tank wall 20, on which a guide ring 21 is fixedly connected, and the left and right sides of the guide ring 21 are spaced from the upper tank wall 20, respectively, and the left and right sides of the guide ring 21 are respectively sleeved between the corresponding side extrusion wheels 19 and the outer extrusion wheels 18, and the side extrusion wheels 19 and the outer extrusion wheels 18 are respectively pressed against the corresponding guide rings 21. In this way, it is convenient for the guide ring 21 to be installed between the side extrusion wheels 19 and the outer extrusion wheels 18.

[0031] Embodiment 2, as attached Figure 1 , 2 As shown in Figure 3, the method for using the wind-resistant device constructed by the inverted installation method of the large storage tank is carried out according to the following steps: the first step is to process the upper tank wall 20. After the upper tank wall 20 is processed, the guide ring 21 is welded on the upper tank wall 20; the second step is to assemble the holding ring 2, and then install the ratchet rod 3 and the assembled holding ring 2 on the base 1, and put the slider 8 on the ratchet rod 3. At the same time, the side extrusion wheel 19 and the outer extrusion wheel 18 on the slider 8 are put on the guide ring 21 at the corresponding position, and the pull rope 5 is connected between the outer end of the base 1 and the top of the corresponding side ratchet rod 3; the third step is to lift the lifting ring 22 to drive the connecting frame 4 to insert the insertion rod 7 into the slot 6 at the upper end of the corresponding ratchet rod 3; the fourth step is to lift the upper tank wall 20 before processing the lower tank wall 23 to be assembled During lifting, the upper tank wall 20 drives the guide ring 21 to rise, and then the side extrusion wheel 19 moves upward with the slider 8 on the ratchet rod 3. At this time, the cut-off tooth 10 on the cut-off rod 9 squeezes the teeth on the ratchet rod 3 under the action of the tension spring and moves upward. After the upper tank wall 20 is lifted to a predetermined height, the upper tank wall 20 is stopped from being lifted, and the cut-off tooth 10 at the inner end of the cut-off rod 9 is stuck on the teeth of the ratchet rod 3, and the upper tank wall 20 stops sliding; the fifth step is to process the lower tank wall 23 to be assembled. During processing, the upper tank wall 20 and the tank wall to be assembled are driven to rotate together, and then the lower tank wall 23 to be assembled and the upper tank wall 20 are welded. During rotation, the upper tank wall 20 is rotated while maintaining support under the action of the side extrusion wheel 19 and the outer extrusion wheel 18 in cooperation with the guide ring 21.

[0032] The above embodiment 2 may be further optimized and / or improved according to actual needs: As attached Figure 1 As shown, in the fifth step, when processing the lower tank wall 23 to be assembled, the upper tank wall 20 and the lower tank wall 23 to be assembled are aligned and the upper tank wall 20 is seated on the lower tank wall 23 to be assembled.

[0033] Advantages of the present invention: 1. Enhanced wind resistance stability: The present invention can effectively resist lateral wind force through multi-point support and the combined design of the ratchet rod 3, the slider 8, the side extrusion wheel 19 and the outer extrusion wheel 18, ensure the stability of the tank during lifting and rotation, and reduce the risk of tank overturning due to wind.

[0034] 2. Improve safety performance: The safety mechanism composed of the holding ring 2, the connecting frame 4, the cut-off rod 9 and the tension spring can provide emergency support even when the lifting equipment fails to prevent the tank from falling suddenly, thereby ensuring the safety of the construction workers and the integrity of the equipment.

[0035] 3. Stronger adaptability: Different from the existing technology which is limited to non-rotational lifting, the present invention supports the rotation of the storage tank and is suitable for processing by welding one layer of the storage tank using a whole steel coil, thus meeting a wider range of construction needs.

[0036] 4. Easy operation and economy: The structure of the present invention is reasonably designed and easy to assemble and disassemble, which reduces construction time and cost. At the same time, by using standard parts and modular components, the maintenance and replacement costs are reduced.

[0037] 5. Optimize the construction process: When processing the lower tank wall 23 to be assembled, the upper tank wall 20 can be lifted and rotated synchronously, which simplifies the construction process and improves work efficiency.

[0038] 6. Structural reliability: The pulling structure formed by the pull rope 5, the ratchet rod 3 and the base 1, as well as the top and bottom position limiting structures, enhance the rigidity and bending resistance of the overall structure, ensuring construction safety under adverse weather conditions.

[0039] To sum up, the present invention has a reasonable and compact structure and is easy to use. Through the coordinated use of the base 1, the holding ring 2, the ratchet rod 3, the connecting frame 4 and the pull rope 5, it can effectively resist lateral wind force, ensure the stability of the tank body during lifting and rotation, and reduce the risk of tank overturning due to wind force. It has the characteristics of safety and reliability, facilitates operation, improves work efficiency, and reduces costs and safety hazards. The present invention not only improves the safety during the construction process of the inverted installation method of large storage tanks, but also optimizes the construction efficiency and reduces costs. It is a solution that takes into account safety, efficiency and economy.

[0040] The above technical features constitute the embodiments of the present invention, which have strong adaptability and implementation effect. Non-essential technical features can be added or reduced according to actual needs to meet the requirements of different situations.

Claims

1. A large-scale storage tank inverted installation method for wind-resistant device, characterized in that It includes a base, an embracing ring, a ratchet rod and a connecting frame; a base is installed on the left and right sides of the embracing ring respectively, a ratchet rod is fixedly connected to the inner side of the base, a pull rope is fixedly connected between the outer end of the base and the top of the ratchet rod on the corresponding side, a slot is provided on the top surface of the ratchet rod, an insertion rod is fixedly connected to the left and right bottom of the connecting frame respectively, the insertion rod of the connecting frame is correspondingly installed in the slots of the tooth rod, a slider is sleeved on the ratchet rod, a mounting hole is provided at the outer end of the slider, a cut-off rod is installed on the mounting hole, a cut-off tooth is provided at the inner end of the cut-off rod, teeth are evenly distributed along the axial direction on the outer side of the ratchet rod, the cut-off teeth on the cut-off rod are meshed with the teeth on the ratchet rod, and a tensioning device that can press the inner end of the cut-off rod is installed on the cut-off rod.

2. The large-scale storage tank inverted installation method wind-resistant device according to claim 1 is characterized in that The cut-off teeth are oblique teeth with lower inside and higher outside, and the teeth on the ratchet rod are oblique teeth with lower inside and higher outside.

3. The large-scale storage tank inverted installation method wind-resistant device according to claim 1 or 2 is characterized in that The tensioning device is a tension spring; a connector is integrally fixed to the outer end of the cut-off rod, the outer diameter of the connector is larger than the outer diameter of the cut-off rod, a tension spring is sleeved on the cut-off rod between the connector and the slider, the inner end of the tension spring is fixedly connected to the slider, and the outer end of the tension spring is fixedly connected to the connector.

4. The wind-resistant device for large-scale storage tanks constructed by inverted installation method according to any one of claims 1 to 3, characterized in that A vertical long installation hole is arranged on the slider, the slider is sleeved on the ratchet rod through the long installation hole, and the long installation hole is communicated with the installation hole.

5. The wind-resistant device for large-scale storage tanks constructed by inverted installation method according to any one of claims 1 to 4, characterized in that A lower mounting groove is arranged on the inner upper part of the base, the holding ring is mounted in the lower mounting groove, and the ratchet rod is located on the inner side of the holding ring.

6. The large-scale storage tank inverted installation method wind-resistant device according to any one of claims 1 to 5, characterized in that The holding ring includes at least two arc sections, and connecting blocks are fixedly connected to the outer ends of the arc sections respectively, and the adjacent arc sections are fixedly installed together through connecting blocks and connecting bolts; or / and, a lifting ring is fixedly connected to the top of the connecting frame.

7. The large-scale storage tank inverted installation method wind-resistant device according to claim 6 is characterized in that An upper mounting groove is provided in the middle of the inner side of the slider, a shaft is fixedly installed in the upper mounting groove, and an outer extrusion wheel is installed on the shaft; connecting columns are fixedly connected to the inner upper part and the inner lower part of the slider respectively, and the side extrusion wheel is connected to the connecting columns.

8. The large-scale storage tank inverted installation method wind-resistant device according to claim 7 is characterized in that It also includes an upper tank wall, on which a guide ring is fixedly connected, the left and right sides of the guide ring are spaced apart from the upper tank wall, the left and right sides of the guide ring are respectively mounted between corresponding side extrusion wheels and outer extrusion wheels, and the side extrusion wheels and outer extrusion wheels are respectively pressed against corresponding guide rings.

9. A method for using the wind-resistant device constructed by the inverted installation method of a large storage tank according to claim 8, characterized in that The following steps are followed: the first step is to process the upper tank wall. After the upper tank wall is processed, a guide ring is welded on the upper tank wall; the second step is to assemble the holding ring, and then install the ratchet rod and the assembled holding ring on the base, and put the slider on the ratchet rod. At the same time, the side extrusion wheel and the outer extrusion wheel on the slider are put on the guide ring at the corresponding position, and a pull rope is connected between the outer end of the base and the top of the corresponding side ratchet rod; the third step is to lift the lifting ring to drive the connecting frame to insert the plug rod into the slot at the upper end of the corresponding ratchet rod; the fourth step is to lift the upper tank wall before processing the lower tank wall to be assembled. When lifting, the upper tank wall belt The movable guide ring rises, and then the side extrusion wheel moves upward with the slider on the ratchet rod. At this time, the cut-off tooth on the cut-off rod squeezes the teeth on the ratchet rod under the action of the tension spring and moves upward. After the upper tank wall is lifted to a predetermined height, the upper tank wall is stopped from being lifted, and the cut-off tooth at the inner end of the cut-off rod is stuck on the teeth of the ratchet rod, and the upper tank wall stops sliding; the fifth step is to process the lower tank wall to be assembled. During the processing, the upper tank wall and the tank wall to be assembled are driven to rotate together, and then the lower tank wall to be assembled and the upper tank wall are welded. During rotation, the upper tank wall is rotated while maintaining support under the action of the side extrusion wheel and the outer extrusion wheel in cooperation with the guide ring.

10. The method for using the wind-resistant device constructed by the inverted installation method of a large storage tank according to claim 9 is characterized in that In the fifth step, when processing the lower tank wall to be assembled, the upper tank wall and the lower tank wall to be assembled are aligned and the upper tank wall is seated on the lower tank wall to be assembled.

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