CN212053903U - Large-scale venue steel structure supports uninstallation device - Google Patents
Large-scale venue steel structure supports uninstallation device Download PDFInfo
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Abstract
The utility model discloses a large-scale venue steel construction supports uninstallation device belongs to the construction engineering field. The utility model comprises a sand steel unloading unit, wherein the sand steel unloading unit comprises a section steel base and a sand cylinder outer cylinder body, the sand cylinder outer cylinder body is a hollow cylinder body, the bottom of the sand cylinder outer cylinder body passes through the section steel base, and the bottom end part of the sand cylinder outer cylinder body is provided with a ball valve; a sand cylinder inner cylinder body is also arranged in the sand cylinder outer cylinder body, a cylinder body gap between the sand cylinder outer cylinder body and the sand cylinder inner cylinder body is used for filling fine sand, and a top seat is arranged at the top of the sand cylinder inner cylinder body; a cylinder body platform is arranged at the top of the sand cylinder outer cylinder body, and a sand injection port communicated with the gap of the cylinder body is formed in one side of the cylinder body platform surrounding the sand cylinder inner cylinder body; an auxiliary jack is also arranged on the cylinder platform. The utility model overcomes the inconvenient problem of steel construction support uninstallation among the prior art large-scale venue construction, can be used to the component installation and the uninstallation process of building engineering and steel construction installation engineering, effectively solve the difficult problem that component hoist and mount in-process met.
Description
Technical Field
The utility model relates to a construction engineering technical field, more specifically say, relate to a large-scale venue steel construction supports uninstallation device.
Background
The steel structure support is characterized in that in the construction of steel structure engineering, the schemes of integral hoisting, integral lifting, sliding and the like are adopted, when a stable frame is not formed in the integral structure, a tower or a steel column is temporarily used as a support, a component or a structural body is fixed, and after the installation and interface welding work is completed and the integral stress of the structure is completed, the temporary support is removed. The unloading of the steel structure, precisely the steel structure support tower. The supporting and unloading of the steel structure mostly adopts a mechanical screw jack unloading process, and the process uses a mechanical screw jack as structural assembling and unloading equipment. When unloading, the structure falls back by a certain stroke through the downward shaking jack according to the deformation trend of the structure, so as to achieve the purpose of unloading. The method has the advantages of simple and convenient process operation and less investment. The mechanical screw jack does not have the condition that the hydraulic jack slowly returns oil, and the unloading jack can be adjusted to be used as a construction jack, and the construction jack is not required to be replaced from structural assembling to unloading, but the stroke is required to be adjusted. The screw jack is a common small-sized device for steel structure construction, is convenient to purchase and can be recycled. The disadvantages are as follows: the screw jack with the bearing capacity exceeding 50t is heavy in self weight and inconvenient to carry, so that the process is only suitable for the working condition that the counter force of the support at the unloading point is small, and more personnel are invested for the project with large unloading area. Due to manual operation, synchronism is not easy to guarantee, and attention needs to be paid to the situation when working condition checking calculation is carried out.
Through retrieval, the Chinese patent application number: 2015205293672, the name of invention creation is: the utility model provides a large-span steel construction uninstallation supports sand box, this application discloses a large-span steel construction uninstallation supports sand box, including the inner skleeve, outer sleeve and sand discharge port, the inner skleeve is in the outer sleeve, outer sleeve and inner skleeve wall contact each other, pour the sand grain in the outer sleeve, sand discharge port sets up outer skleeve wall bottom both sides, sand discharge port is equipped with the valve that is used for controlling sand grain exhaust velocity, the inner skleeve both ends are all sealed with the sealing plate, concrete has been pour in the enclosure space, the descending height of inner skleeve passes through the bracing piece control, the bracing piece adopts the square steel tube preparation to form, the height of bracing piece is tailor along with the decline of inner sklee. This application simple structure, preparation convenience, bearing capacity are big, safe and reliable, and control nature good, the precision is high, effectively solve the difficult problem of truss construction of large-span steel construction, but component itself reuse has still practiced thrift construction cost when guaranteeing construction safety.
Also as in chinese patent application No.: 201520453044X, entitled: the application discloses an unloading device for a large-span steel structure, which comprises a sand box, a piston and a sand discharge device, wherein the piston is arranged in the sand box; the sand box is a sand box cylinder body formed by vertically arranged round steel pipes, and sand grains are filled in the sand box cylinder body and are used for bearing load; the sand discharge device is arranged at the lower part of the sand box cylinder and is used for discharging sand grains; the upper portion of sand box barrel cup joints with the piston, and this piston is the circular steel pipe of vertical setting, and the lower part cup joints in sand box barrel, and the outer wall of this piston and the inner wall laminating of sand box barrel, this piston can slide in vertical direction, and the top of this piston is airtight constitutes the up end and is regarded as the jacking face for support large-span steel construction or connect interim strutting arrangement. The application has the advantages of low cost, high safety, capability of realizing synchronous unequal value unloading and the like.
In summary, a great number of patents have been published on the supporting and unloading technology of steel structures, but certain optimization space still exists, and more various design forms are needed in the industry.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to overcome the inconvenient problem of steel structure support uninstallation in the construction of large-scale venue among the prior art, plan to provide a large-scale venue steel structure support uninstallation device, the utility model discloses an uninstallation device can be used to the component installation and the uninstallation process of building engineering and steel construction installation engineering, effectively solves the difficult problem that meets in the component hoist and mount process, and construction method is easy to operate, and is comparatively convenient.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a large-scale venue steel structure supporting and unloading device, which comprises a sand steel unloading unit, wherein the sand steel unloading unit comprises a section steel base and a sand cylinder outer cylinder body, the sand cylinder outer cylinder body is a hollow cylinder body, the bottom of the sand cylinder outer cylinder body passes through the section steel base, and the bottom end part of the sand cylinder outer cylinder body is provided with a ball valve; a sand cylinder inner cylinder body is also arranged in the sand cylinder outer cylinder body, a cylinder body gap between the sand cylinder outer cylinder body and the sand cylinder inner cylinder body is used for filling fine sand, and a top seat is arranged at the top of the sand cylinder inner cylinder body; a cylinder body platform is arranged at the top of the sand cylinder outer cylinder body, and a sand injection port communicated with the gap of the cylinder body is formed in one side of the cylinder body platform surrounding the sand cylinder inner cylinder body; an auxiliary jack is also arranged on the cylinder platform.
Furthermore, a skid is arranged on one side of the cylinder body platform, which is positioned in the sand cylinder, and the auxiliary jack is arranged on the skid.
Furthermore, the sand steel unloading device further comprises assembled standard supporting sections and assembled operating platforms, the assembled standard supporting sections are sequentially spliced and assembled, the assembled operating platforms are installed at the tops of the assembled standard supporting sections, and the sand steel unloading units are arranged on the assembled operating platforms.
Furthermore, the assembled standard support sections are installed on the section steel assembly type base or the pre-buried concrete, the plurality of groups of assembled standard support sections are installed and connected through socket type shaft pins, and the assembled standard support sections and the section steel assembly type base are also installed and connected through the socket type shaft pins.
Furthermore, the profile steel base is formed by two groups of H-shaped steel in a crisscross manner, an upper layer of reinforcing plate and a lower layer of reinforcing plate are arranged at the cross position of the two groups of H-shaped steel, the two layers of reinforcing plates are respectively positioned on the top surface and the bottom surface of the cross position, and the reinforcing plates are formed by a plurality of fan-shaped plates.
Furthermore, a plurality of vertical rib plates are distributed around the periphery of the sand cylinder outer cylinder body at intervals, the bottoms of the vertical rib plates are connected with the reinforcing plates, the top of each vertical rib plate is connected with a planar rib plate, the planar rib plates are located below the cylinder body platform, and a plurality of groups of inclined rib plates are arranged between the planar rib plates and the cylinder body platform in an encircling mode at intervals.
Furthermore, the plane size of the cylinder body platform is larger than that of the flat rib plates, and the inclined rib plates are right-angled trapezoid rib plates with gradually increased width along the direction close to the cylinder body platform.
Furthermore, a fixed rib plate is further arranged on the top surface of the section steel base, a plurality of groups of supporting rib plates are further arranged on the outer side of the sand cylinder outer cylinder body in a surrounding mode, one end of each supporting rib plate is connected with the fixed rib plate, the other end of each supporting rib plate extends to the inclined rib plate to be connected, and an included angle between each supporting rib plate and the plane where the section steel base is located is 50-65 degrees.
Furthermore, the footstock is a plane footstock or an arc footstock which is concave inwards, the footstock and the sand cylinder inner cylinder body are installed and connected in a detachable socket joint mode, and the sand cylinder inner cylinder body is also provided with a lifting scale.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model discloses a large-scale venue steel construction supports uninstallation device, through setting up notes sand mouth, high-pressure ball valve and auxiliary jack and cooperateing, when the elevation is higher than the control elevation, directly open high-pressure ball valve release grit and fall the elevation, when the elevation is less than the control elevation, launch earlier auxiliary jack with footstock summit elevation to control elevation, then annotate sand at the notes sand mouth, reach the elevation after, the auxiliary jack of uninstallation, accomplish the control of elevation.
(2) The utility model discloses a large-scale venue steel structure supports uninstallation device supports the basis and is shaped steel assembled base or pre-buried formula concrete, can satisfy the steel structure support uninstallation under the different construction conditions.
(3) The utility model discloses a large-scale venue steel construction supports uninstallation device need not set up the full hall frame of large tracts of land and supports, has effectively utilized tower crane standard festival assembled standard promptly to support the relevant advantage of segment, and rapid Assembly disassembles, and load-bearing capacity is big, connects reliably, and the high selection range is great, conveniently erects moreover, and assembled standard supports the segment and takes the cat ladder certainly, makes things convenient for operating personnel from top to bottom.
(4) The utility model discloses a large-scale venue steel structure supports uninstallation device, the sand jar that adopts supports and the fine setting of auxiliary jack, can carry out the accuracy with supporting height, has guaranteed the structure net height; in the unloading process, the auxiliary jack is unloaded firstly, and the device is further unloaded after the upper structure is stable, so that the safety and the reliability of the whole structure are ensured, and the potential safety hazard is avoided.
(5) The utility model discloses a large-scale venue steel structure supports uninstallation device, with traditional crane and portal frame hoist and mount steel construction then install the mode of rectifying on it, this embodiment need not to use the crane for a long time, only needs to support the installation of segment section with the assembled standard with the crane and accomplishes the back, sets up the personnel and further installs sand steel uninstallation unit to the top on the cat ladder that the segment section was supported to the assembled standard, and is more convenient.
Drawings
Fig. 1 is a schematic view of an application state of a steel structure supporting and unloading device for a large venue according to the present invention;
fig. 2 is a schematic view of an application state of the steel structure supporting and unloading device for a large venue according to the present invention;
FIG. 3 is a schematic structural view of a sand steel unloading unit of the present invention;
FIG. 4 is a schematic structural view of the unloading unit of the medium sand steel of the present invention;
fig. 5 is a schematic view of the application state of the medium sand steel unloading unit of the present invention.
The reference numerals in the schematic drawings illustrate:
100. a sand steel unloading unit; 200. an assembled operating platform; 300. an assembled standard support segment; 400. a section steel fabricated base; 500. pre-embedded concrete;
110. a section steel base; 111. installing a shaft pin; 112. fixing a rib plate; 113. a reinforcing plate; 120. a sand cylinder outer cylinder body; 121. a vertical rib plate; 122. a plane rib plate; 123. an inclined rib plate; 124. a cylinder platform; 125. a sand injection port; 126. supporting the rib plate; 127. wood padding; 128. an auxiliary jack; 129. a ball valve; 130. a sand cylinder inner cylinder body; 131. a top seat.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1 to 5, the supporting and unloading device for steel structures in large stadiums of the present embodiment includes a sand steel unloading unit 100, the sand steel unloading unit 100 includes a section steel base 110 and a sand cylinder outer cylinder 120, the sand cylinder outer cylinder 120 is a hollow cylinder and the bottom of the sand cylinder outer cylinder passes through the section steel base 110, and a ball valve 129, specifically a high pressure ball valve, is disposed at the bottom end of the sand cylinder outer cylinder 120; a sand cylinder inner cylinder body 130 is further arranged in the sand cylinder outer cylinder body 120, a cylinder body gap between the sand cylinder outer cylinder body 120 and the sand cylinder inner cylinder body 130 is used for filling fine sand, and a top seat 131 is arranged at the top of the sand cylinder inner cylinder body 130; a cylinder body platform 124 is arranged at the top of the sand cylinder outer cylinder body 120, and a sand injection port 125 communicated with the gap of the cylinder body is arranged on one side of the cylinder body platform 124 surrounding the sand cylinder inner cylinder body 130; an auxiliary jack 128 is also provided on the cylinder platform 124. Specifically, a skid 127 is disposed on the cylinder platform 124 at one side of the cylinder 130, and an auxiliary jack 128 is disposed on the skid 127.
The device of the embodiment further comprises assembled standard support sections 300 and an assembled operating platform 200, wherein the plurality of groups of assembled standard support sections 300 are sequentially spliced and assembled, the assembled operating platform 200 is installed at the top of the assembled standard support sections 300, and the sand steel unloading unit 100 is arranged on the assembled operating platform 200. Further, the assembled standard support segments 300 are installed on the steel section assembly type base 400 or the pre-buried concrete 500, the plurality of groups of assembled standard support segments 300 are installed and connected through socket type shaft pins, and the assembled standard support segments 300 and the steel section assembly type base 400 are also installed and connected through socket type shaft pins. As shown in fig. 1 and fig. 2, the supporting base of the device in this embodiment is a steel section fabricated base 400 or pre-embedded concrete 500, which may be directly located on a flat concrete floor, or bolts may be pre-embedded in the base concrete in advance, and then the fabricated standard supporting segment 300 is directly installed.
In this embodiment, specifically, the assembled standard support section 300 is installed on the upper portion of the section steel assembled base 400, a ladder is arranged on the assembled standard support section 300, and an operator can reach the assembled operation platform 200 at the top through the ladder and between the assembled standard support section 300 and the section steel assembled base 400; and between the multiunit assembled standard support segment 300, all can adopt socket joint formula pivot erection joint, install the dead lever on the installed part of one side promptly, install fixed slot on the installed part of opposite side, the dead lever imbeds in the fixed slot to pass through the connection from it through the pivot, and utilize the pivot both ends locking to come the fixed connection position, reach the effect of fixed integrated device, adopt the pivot to carry out socket joint formula connection, it is swift convenient, realize the assembled structure. The assembled operation platform 200 in this embodiment is 80cm in specific peripheral width and 1.2m in height, and is composed of a plurality of vertical square steels and a plurality of horizontal square steels, so that an operator can conveniently perform the operation of the whole supporting and unloading process.
In this embodiment, a sand cylinder outer cylinder body 120 is arranged in the middle of the medium-sized steel base 110, the sand cylinder outer cylinder body 120 specifically adopts a hollow steel column with an outer diameter of 400mm and a wall thickness of 20mm, the bottom of the hollow steel column is provided with a high-pressure ball valve, the high-pressure ball valve is connected with a sand discharge port at the lower part of the cylinder body, and filled with fine-particle filled sand without edges and corners for supporting the sand cylinder inner cylinder body 130 at the upper part, the sand cylinder inner cylinder body 130 adopts a hollow steel column with an outer diameter of 355mm and a wall thickness of 20mm, the bottom of the hollow steel column is sealed and used for bearing a component, and when the height is higher than a top; the sand injection port 125 is arranged on one side of the sand cylinder outer cylinder body 120 and is welded with the sand cylinder outer cylinder body 120 into a whole, a 20 mm-500 mm groove is formed in the connecting part of the sand cylinder outer cylinder body to meet the requirement of sand supplement at different heights, and after sand injection is completed, the sand injection port 125 is tightly plugged by a wooden plug. An auxiliary jack 128, specifically an oil pressure jack, is further provided on the cylinder platform 124 for temporarily supporting the upper member and adding sand to the cylinder when the elevation is insufficient.
Example 2
The steel structure supporting and unloading device for the large venue of the embodiment is basically the same as embodiment 1, further, the steel base 110 is formed by two groups of H-shaped steel in a crisscross shape and is firmly connected by welding to form an assembly type base, the crisscross position of the two groups of H-shaped steel is provided with an upper reinforcing plate 113 and a lower reinforcing plate 113, the two reinforcing plates 113 are respectively positioned on the top surface and the bottom surface of the crisscross position, the reinforcing plates 113 are composed of a plurality of fan-shaped plates, each fan-shaped reinforcing plate 113 connects the wall surfaces of the adjacent H-shaped steel to form an integral circular reinforcing plate on the top surface and the bottom surface, the connection strength between the steel is enhanced, the steel base 110 and the assembly type standard supporting section 300 can be installed and connected by adopting socket joint type shaft pins, for example, the bottom of the steel base 110 is provided with installation shaft pins 111, namely fixing rods, the top, the mounting shaft pin 111 is correspondingly inserted into the fixing groove and is tightly connected by the shaft pin.
In the embodiment, a plurality of vertical rib plates 121 are distributed around the periphery of the sand cylinder outer cylinder body 120 at intervals, the bottoms of the vertical rib plates 121 are connected with the reinforcing plate 113, the top of each vertical rib plate 121 is connected with a planar rib plate 122, the planar rib plates 122 and the cylinder body platform 124 are both circular, the planar rib plates 122 are located below the cylinder body platform 124, and a plurality of groups of inclined rib plates 123 are arranged between the planar rib plates 122 and the cylinder body platform 124 at intervals. The planar size of the cylinder body platform 124 is larger than that of the planar rib plate 122, and the inclined rib plate 123 is a right-angle trapezoidal rib plate with gradually increased width along the direction close to the cylinder body platform 124. The top surface of the section steel base 110 is further provided with a fixed rib plate 112, the outer side of the sand cylinder outer cylinder body 120 is further provided with a plurality of groups of supporting rib plates 126 in a surrounding manner, one ends of the supporting rib plates 126 are connected with the fixed rib plate 112, the other ends of the supporting rib plates extend to the inclined rib plate 123 to be connected, and an included angle between the supporting rib plates 126 and the plane where the section steel base 110 is located is 50-65 degrees so as to stabilize the whole device, specifically 60 degrees in the embodiment.
In this embodiment, the top seat 131 is a planar top seat or an inward concave arc top seat, the top seat 131 and the sand cylinder inner cylinder body 130 are detachably connected in a socket-and-spigot manner, and the sand cylinder inner cylinder body 130 is further provided with a lifting scale. The plane type top seat is suitable for supporting plane type components, the arc-shaped top seat is suitable for supporting pipe fitting type components, and the arc-shaped top seat can be mainly used for supporting and unloading of steel structure hoisting and can meet supporting and unloading of various parts by matching with the plane type top seat.
After the integral device is installed, the steel structure part is hoisted to the height required to be installed, the steel structure part is placed on the integral device, the elevation is adjusted, and when the elevation is higher than the preset elevation, the ball valve 129 is opened to release sand to reduce the elevation; when the elevation is too low, the auxiliary jack 128 is started to lift the steel structural member to a preset elevation, then sand injection is started at the sand injection port 125, when the elevation is proper, the sand injection is stopped, the auxiliary jack 128 is unloaded, and the steel structural member falls back to the top base 131 again.
Compared with the traditional supporting and unloading mode, the device of the embodiment has the following obvious advantages: firstly, a large-area full-hall frame does not need to be erected for supporting, the relevant advantages of a tower crane standard section, namely the assembled standard support section 300, are effectively utilized, the connection is reliable, the height selection range is large, the erection is convenient, and the assembled standard support section 300 is provided with a ladder stand, so that an operator can get on and off conveniently; secondly, the supporting reliability is high, the supporting height can be accurately realized by adopting sand cylinder supporting and fine adjustment of the auxiliary jack 128, and the structural clear height is ensured; in the unloading process, the auxiliary jack 128 is unloaded firstly, and the device is further unloaded after the upper structure is stable, so that the safety and the reliability of the whole structure are ensured, and potential safety hazards are avoided; thirdly, compared with the traditional method that the steel structure is hoisted by a crane and a portal frame and then is installed and corrected on the steel structure, the method does not need to use the crane for a long time, and only needs to use the crane to install the assembly type standard supporting section 300, and then the sand steel unloading unit 100 is further installed on the ladder stand on the assembly type standard supporting section 300 to the top by setting up the human body.
Example 3
The supporting and unloading device for steel structures in large stadium is basically the same as that in embodiment 2, except that an included angle between the supporting rib plates 126 and a plane where the section steel base 110 is located is 50 °.
Example 4
The supporting and unloading device for steel structures in large stadium is basically the same as that in embodiment 2, except that an included angle between the supporting rib plates 126 and a plane where the section steel base 110 is located is 65 °.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a large-scale venue steel construction supports uninstallation device which characterized in that: the sand steel unloading device comprises a sand steel unloading unit (100), wherein the sand steel unloading unit (100) comprises a section steel base (110) and a sand cylinder outer cylinder body (120), the sand cylinder outer cylinder body (120) is a hollow cylinder body, the bottom of the sand cylinder outer cylinder body penetrates through the section steel base (110), and a ball valve (129) is arranged at the bottom end of the sand cylinder outer cylinder body (120); a sand cylinder inner cylinder body (130) is also arranged in the sand cylinder outer cylinder body (120), a cylinder body gap between the sand cylinder outer cylinder body (120) and the sand cylinder inner cylinder body (130) is used for filling fine sand, and the top of the sand cylinder inner cylinder body (130) is provided with a top seat (131); a cylinder body platform (124) is arranged at the top of the sand cylinder outer cylinder body (120), and a sand injection port (125) communicated with the cylinder body gap is formed in one side of the cylinder body platform (124) surrounding the sand cylinder inner cylinder body (130); an auxiliary jack (128) is also arranged on the cylinder platform (124).
2. The large venue steel structure supporting and unloading device according to claim 1, wherein: one side of the cylinder body platform (124) positioned on the sand cylinder inner cylinder body (130) is provided with a skid (127), and the auxiliary jack (128) is arranged on the skid (127).
3. The large venue steel structure supporting and unloading device according to claim 1, wherein: the sand steel unloading device is characterized by further comprising assembled standard supporting sections (300) and assembled operating platforms (200), wherein the multiple groups of assembled standard supporting sections (300) are sequentially spliced and assembled, the assembled operating platforms (200) are installed at the tops of the assembled standard supporting sections (300), and the sand steel unloading unit (100) is arranged on the assembled operating platforms (200).
4. The large venue steel structure supporting and unloading device according to claim 3, wherein: the assembled standard support sections (300) are installed on the section steel assembled base (400) or the pre-buried concrete (500), the plurality of groups of assembled standard support sections (300) are installed and connected through socket type shaft pins, and the assembled standard support sections (300) are also installed and connected with the section steel assembled base (400) through the socket type shaft pins.
5. The large venue steel structure supporting and unloading device according to claim 1, wherein: the profile steel base (110) is formed by two groups of H-shaped steel in a crisscross manner, an upper reinforcing plate and a lower reinforcing plate (113) are arranged at the cross position of the two groups of H-shaped steel, the two layers of reinforcing plates (113) are respectively positioned on the top surface and the bottom surface of the cross position, and the reinforcing plates (113) are formed by a plurality of fan-shaped plates.
6. The large venue steel structure supporting and unloading device according to claim 5, wherein: a plurality of vertical rib plates (121) are distributed on the periphery of the sand cylinder outer cylinder body (120) at intervals in a surrounding mode, the bottoms of the vertical rib plates (121) are connected with a reinforcing plate (113), the top of each vertical rib plate (121) is connected with a plane rib plate (122), the plane rib plate (122) is located below a cylinder body platform (124), and a plurality of groups of inclined rib plates (123) are arranged between the plane rib plate (122) and the cylinder body platform (124) in a surrounding mode at intervals.
7. The large venue steel structure supporting and unloading device according to claim 6, wherein: the plane size of the cylinder body platform (124) is larger than that of the plane rib plate (122), and the inclined rib plate (123) is a right-angle trapezoidal rib plate with gradually increased width along the direction close to the cylinder body platform (124).
8. The large venue steel structure supporting and unloading device according to claim 6, wherein: the top surface of the section steel base (110) is also provided with a fixed rib plate (112), the outer side of the sand cylinder outer cylinder body (120) is also provided with a plurality of groups of supporting rib plates (126) in a surrounding manner, one ends of the supporting rib plates (126) are connected with the fixed rib plate (112), the other ends of the supporting rib plates extend to the inclined rib plate (123) to be connected, and the included angle between the supporting rib plates (126) and the plane of the section steel base (110) is 50-65 degrees.
9. The large venue steel structure supporting and unloading device according to claim 1, wherein: the footstock (131) is a plane footstock or an arc footstock which is concave inwards, the footstock (131) and the sand cylinder inner cylinder body (130) are installed and connected in a detachable socket-and-spigot manner, and the sand cylinder inner cylinder body (130) is also provided with a lifting scale.
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| CN202020441435.0U CN212053903U (en) | 2020-03-31 | 2020-03-31 | Large-scale venue steel structure supports uninstallation device |
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| CN202020441435.0U CN212053903U (en) | 2020-03-31 | 2020-03-31 | Large-scale venue steel structure supports uninstallation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305595A (en) * | 2020-03-31 | 2020-06-19 | 中国十七冶集团有限公司 | Large-scale venue steel structure supporting and unloading device and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305595A (en) * | 2020-03-31 | 2020-06-19 | 中国十七冶集团有限公司 | Large-scale venue steel structure supporting and unloading device and construction method |
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