CN115613623B - Steel construction tower crane basis - Google Patents
Steel construction tower crane basis Download PDFInfo
- Publication number
- CN115613623B CN115613623B CN202211628981.5A CN202211628981A CN115613623B CN 115613623 B CN115613623 B CN 115613623B CN 202211628981 A CN202211628981 A CN 202211628981A CN 115613623 B CN115613623 B CN 115613623B
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- Prior art keywords
- nylon cloth
- fixedly connected
- tower crane
- steel structure
- reinforcing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- 238000010276 construction Methods 0.000 title claims abstract description 11
- 239000004677 Nylon Substances 0.000 claims abstract description 109
- 239000004744 fabric Substances 0.000 claims abstract description 109
- 229920001778 nylon Polymers 0.000 claims abstract description 109
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims description 30
- 230000005484 gravity Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 13
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- B08B1/165—
-
- B08B1/20—
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
Abstract
The invention discloses a steel structure tower crane foundation, which belongs to the field of building construction and comprises a main beam, wherein reinforcing beams are fixedly connected between diagonal angles of the main beam in pairs, connecting seats are fixedly connected to two sides of the upper end of each reinforcing beam, a base is fixedly connected to the edge of the lower end of the main beam, fixing holes are formed in the edge of the base, and one fixing hole extends upwards to penetrate through the outer surface of the upper end of each reinforcing beam; the lower extreme of girder all seted up the recess all around, and the inside of recess is equipped with tensile mechanism, tensile mechanism connects in the inside spool that winds of recess including rotating, and the fixed surface who winds the spool is connected with nylon cloth, nylon cloth is around the surface of rolling up at the spool, the tip fixedly connected with coil spring around the spool. Can realize increasing steel construction foundation tensile resistance when, gather materials on the spot to the counter weight, need not preparation alone and transportation counter weight, can not cause behind the counter weight simultaneously to blockking around the tower crane, make things convenient for operating personnel to scramble.
Description
Technical Field
The invention relates to the field of building construction, in particular to a steel structure tower crane foundation.
Background
The tower crane is the most common hoisting equipment on a building site, when the tower crane is built, a building platform needs to be cast on the ground in advance, then a steel structure foundation is fixed on a base, and then multiple foundation sections are connected one by one and fixed on the steel structure foundation;
the steel structure foundation plays a role in tensile and compressive resistance in the tower crane, and is used for preventing the tower crane from inclining and collapsing in the working process, so that in order to improve the tensile resistance of the steel structure foundation, the steel structure foundation can be additionally provided with a balancing weight besides the foundation is firmly fixed at the joint;
however, after the tower crane is installed, the space for accommodating the balancing weight on the steel structure foundation is limited, and the formed space has a special shape, so that the balancing weight needs to be cast independently according to the self structure of the steel structure foundation, and in addition, the balancing weight is accumulated on the steel structure foundation and can surround the periphery of the tower crane, which causes inconvenience when an operator of the tower crane climbs the tower crane;
chinese patent with publication number CN108086345B discloses a tower crane foundation with counterweight capable of being folded and moved quickly in four-beam steel structure, which is characterized in that a counterweight material is placed on the steel structure foundation, so that materials can be taken on the spot in a building site, and objects such as gravel soil are stacked in a counterweight area to complete counterweight.
Therefore, a steel structure tower crane foundation is provided.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a steel structure tower crane foundation, which can increase the tensile resistance of the steel structure foundation, can obtain local materials for counter weights, does not need to prepare and transport the counter weights independently, can not block the periphery of a tower crane after the counter weights, and is convenient for operators to climb.
In order to solve the above problems, the present invention adopts the following technical solutions.
A steel structure tower crane foundation comprises a main beam, wherein reinforcing beams are fixedly connected between diagonal angles of the main beam in pairs, connecting seats are fixedly connected to two sides of the upper end of each reinforcing beam, a base is fixedly connected to corners of the lower end of the main beam, fixing holes are formed in the corners of the base, and one fixing hole extends upwards to penetrate through the outer surface of the upper end of each reinforcing beam;
the lower extreme of girder all has seted up the recess all around, and the inside of recess is equipped with tensile mechanism, tensile mechanism connects in the inside spool that winds of recess including rotating, and has cup jointed nylon cloth around the surface of spool, nylon cloth is around rolling up the surface around the spool.
Furthermore, the end part of the winding shaft is fixedly connected with a coil spring, and two ends of the coil spring are respectively and fixedly connected with the winding shaft and the inner wall of the groove.
Further, the nylon cloth is three-layer construction design, and the equal fixedly connected with in both sides cuts off between the two-layer nylon cloth down, form sealed chamber between the inside wall of wall and nylon cloth, and the inner wall fixedly connected with seal membrane in sealed chamber, the impartial distance fixedly connected with spring in inside both sides in sealed chamber, nylon cloth keeps away from the position fixedly connected with pneumatic valve that corresponds sealed chamber around the one end of spool, and is two-layer down both ends middle part between the nylon cloth all is the open mode, and is two-layer down the cavity has been seted up at the middle part between the nylon cloth.
Further, the inside outside sliding connection of recess has the scraper blade, and the outside equidistance fixedly connected with slider of scraper blade, the spout has been seted up with one side equidistance of scraper blade laminating to the recess, the inboard bottom of scraper blade is the arcwall face.
Furthermore, the sliding block is connected to the inside of the sliding groove in a sliding mode, and the friction force between the sliding block and the sliding groove is smaller than the gravity of the scraping plate.
Furthermore, the outer surfaces of the upper end and the lower end of the nylon cloth are fixedly connected with keel frames at equal intervals, and the keel frames and the corresponding winding shafts are kept horizontal.
Further, the gravity of the nylon cloth is greater than the elastic force of the coil spring.
Furthermore, the nylon cloth is located the bottom around the spool with the junction around the spool after the expansion, the thickness after the nylon cloth inflation equals the interval between girder diapire to the base diapire.
Furthermore, the sum of the elastic forces of the plurality of springs is larger than the gravity of the nylon cloth.
Furthermore, the two sides of the upper end of the reinforcing beam are fixedly connected with fixing rods, the upper ends of the fixing rods are movably connected with reinforcing arms, a rotating mechanism is fixedly connected between the reinforcing arms and the fixing rods, and connecting pieces are fixedly connected to the upper ends of the reinforcing arms.
Compared with the prior art, the invention has the beneficial effects that:
(1) The nylon cloth that this scheme will expand is laid around steel structure basis, later with the grit in building place, material such as earth paves and forms the cover to it on nylon cloth, thereby utilize the frictional force between nylon cloth and ground and the material of shop's cover, and the material realizes the counter weight to steel structure basis to the gravity of nylon cloth, and then reduced the swing of tower crane in work, the stability of tower crane operation has been improved, the counter weight thing is gathered materials on the spot, need not to cast according to steel structure basis's shape and structure, also need not to make a round trip to transport the counter weight thing, and the counter weight thing is laid and is kept parallel with steel structure basis on nylon cloth, the condition of the overhead around steel structure basis can not appear, be convenient for operating personnel scrambles the tower crane.
(2) This scheme is opening the nylon cloth tiling after, open the pneumatic valve, the spring extends this moment, make the increase of sealed intracavity inner space, thereby pass through the pneumatic valve with outside air and inhale to sealed intracavity portion, it is full of gas until sealed intracavity, close the pneumatic valve this moment, utilize the inflation in sealed chamber, make double-deck nylon cloth keep away from top to bottom, and then the cavity that forms at the middle part of nylon cloth, utilize the cavity on the nylon cloth as the drainage channel this moment, and because the nylon cloth expandes the back and lie in the bottom around the spool with the junction around the spool, thickness after the nylon cloth inflation equals the interval between girder diapire to the base diapire, consequently the cavity flushes with the contact surface of steel construction basis and concrete foundation, when making steel construction basis department produce ponding, the accessible cavity dredges to all around, avoids ponding to cause the corrosion to the steel construction basis, need not to build the drainage channel in addition, reduce cost.
(3) This scheme is at the impartial range fixedly connected with keel frame in the upper and lower both ends surface of nylon cloth, and keel frame keeps the level with the winding reel that corresponds for after covering the counter weight on nylon cloth, keel frame forms the support to the counter weight, and the cavity can not suffer pushing down and the closure of counter weight, has ensured the unobstructed of drainage.
(4) This scheme utilizes the scraper blade to clear scraping nylon cloth surface when withdrawing nylon cloth, strikes off nylon cloth surface remaining dirt, avoids the dirt to adhere to and influences it on nylon cloth around rolling up.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;
FIG. 4 is a schematic diagram of the extended configuration of the tensile mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the nylon cloth of the present invention after being wound;
FIG. 6 is a schematic view of the expanded partial structure of the nylon cloth of the present invention;
FIG. 7 is a schematic side sectional view of the nylon cloth of the present invention;
FIG. 8 is a schematic view of a partially exploded construction of the main beam of the present invention;
FIG. 9 is a schematic view of the construction of the squeegee of the present invention;
FIG. 10 is a schematic view of the structure of the present invention with the screed stowed within the main beam;
FIG. 11 is a schematic view of the internal construction of the blade extension spar of the present invention;
fig. 12 is a schematic view of the connection structure of the nylon cloth and the winding shaft.
The reference numbers in the figures illustrate:
1. a main beam; 2. reinforcing the beam; 3. a connecting seat; 4. a base; 5. fixing the rod; 6. a rotation mechanism; 7. a reinforcement arm; 8. connecting sheets; 9. a fixing hole; 10. a groove; 11. a tensile mechanism; 111. a coil spring; 112. nylon cloth; 1121. a keel frame; 113. a winding shaft; 114. an air valve; 115. separating; 116. sealing the cavity; 117. a spring; 118. a sealing film; 119. a cavity; 12. a squeegee; 13. a slider; 14. a chute.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.
Example 1:
referring to fig. 1 to 4, a steel structure tower crane foundation includes a main beam 1, two reinforcing beams 2 are fixedly connected between diagonal corners of the main beam 1, two sides of an upper end of each reinforcing beam 2 are fixedly connected with connecting seats 3, corners of a lower end of the main beam 1 are fixedly connected with a base 4, and corners of the base 4 are respectively provided with a fixing hole 9, wherein one of the fixing holes 9 extends upwards to penetrate through an outer surface of an upper end of each reinforcing beam 2; the two sides of the upper end of the reinforcing beam 2 are fixedly connected with fixing rods 5, the upper ends of the fixing rods 5 are movably connected with reinforcing arms 7, a rotating mechanism 6 is fixedly connected between each reinforcing arm 7 and each fixing rod 5, and the upper ends of the reinforcing arms 7 are fixedly connected with connecting pieces 8;
all set up recess 10 around the lower extreme of girder 1, and the inside of recess 10 is equipped with tensile mechanism 11, tensile mechanism 11 connects in recess 10 inside around reel 113 including rotating, and has cup jointed nylon cloth 112 around the surface of reel 113, nylon cloth 112 is around rolling up the surface around reel 113.
The end part of the winding shaft 113 is fixedly connected with a coil spring 111, and two ends of the coil spring 111 are respectively and fixedly connected with the winding shaft 113 and the inner wall of the groove 10; the nylon cloth 112 has a gravity greater than the elastic force of the coil spring 111.
By adopting the technical scheme, firstly, a base 4 of the tower crane foundation is aligned with a fixed steel bar on a ground concrete foundation, the steel bar sequentially passes through the inside of a fixed hole 9 on the base 4, so that the base 4 is attached to the concrete foundation, a bolt passes through the steel bar from the upper part of the base 4, the base 4 and the steel bar are fixed by the bolt, and the base 4 is fixed;
on the basis, the nylon cloth 112 wound inside the groove 10 is dragged to the periphery of the steel structure foundation, so that the winding shaft 113 rotates to unwind the nylon cloth 112, then the unwound nylon cloth 112 is laid on the periphery of the steel structure foundation, and because the gravity of the nylon cloth 112 is greater than the elastic force of the coil spring 111, the winding shaft 113 cannot be driven to rotate under the action of the coil spring 111 to wind the nylon cloth 112, and then materials such as sand stones and soil in a building field are laid on the nylon cloth 112 to cover the nylon cloth, so that the steel structure foundation is counterweighted by the friction force between the nylon cloth 112 and the ground and the laid materials and the gravity of the nylon cloth 112, the swing amplitude of a tower crane in work is reduced, the stability of tower crane operation is improved, the counterweight is obtained from local sources, casting is not needed according to the shape and the structure of the steel structure foundation, back-and forth transportation is not needed, and the counterweight is laid on the nylon cloth 112 to be parallel to the steel structure foundation, the situation that the tower crane is not elevated around the steel structure foundation can be found, and the climbing of a tower crane can be facilitated for operators.
As shown in fig. 4 to 7 and 12, the nylon cloth 112 is designed to be a three-layer structure, two sides of the lower layer of nylon cloth 112 are fixedly connected with partitions 115, a sealing cavity 116 is formed between the partitions 115 and the inner side wall of the nylon cloth 112, a sealing film 118 is fixedly connected to the inner wall of the sealing cavity 116, springs 117 are fixedly connected to two sides of the interior of the sealing cavity 116 at equal distances, an air valve 114 is fixedly connected to a position, corresponding to the sealing cavity 116, of one end, away from the winding shaft 113, of the nylon cloth 112, the middle portions of two ends of the lower layer of nylon cloth 112 are both in an open state, and a cavity 119 is formed in the middle portion of the lower layer of nylon cloth 112; the outer surfaces of the upper and lower ends of the nylon cloth 112 are fixedly connected with keel frames 1121 at equal intervals, and the keel frames 1121 keep horizontal with corresponding winding shafts 113; the connection part of the unfolded nylon cloth 112 and the winding reel 113 is positioned at the bottom of the winding reel 113, and the expanded thickness of the nylon cloth 112 is equal to the distance between the bottom wall of the main beam 1 and the bottom wall of the base 4; the sum of the elastic forces of the plurality of springs 117 is greater than the weight of the nylon cloth 112.
By adopting the technical scheme, after the nylon cloth 112 is unfolded and laid flat, the air valve 114 is opened, the spring 117 is expanded at the moment, the inner space of the sealed cavity 116 is enlarged, so that outside air is sucked into the sealed cavity 116 through the air valve 114 until the sealed cavity 116 is filled with air, the air valve 114 is closed at the moment, the double-layer nylon cloth 112 is kept away from each other up and down by utilizing the expansion of the sealed cavity 116, the cavity 119 formed in the middle of the nylon cloth 112 is further utilized, the cavity 119 on the nylon cloth 112 is utilized as a drainage channel at the moment, and the joint of the nylon cloth 112 and the winding shaft 113 is positioned at the bottom of the winding shaft 113 after the nylon cloth 112 is unfolded, thickness after the inflation of nylon cloth 112 equals 1 diapire of girder to the interval between the 4 diapires of base, consequently cavity 119 flushes with the contact surface of steel structure foundation and concrete foundation, make when steel structure foundation department produces ponding, accessible cavity 119 is to dredging all around, avoid ponding to cause the corrosion to steel structure foundation, need not to build the drainage canal in addition, therefore, the carrier wave prepaid electric energy meter is low in cost, simultaneously at equal distance fixedly connected with keel frame 1121 of nylon cloth 112's upper and lower both ends surface, and keel frame 1121 keeps the level with corresponding around reel 113, make on nylon cloth 112 cover the counter weight after, keel frame 1121 forms the support to the counter weight, cavity 119 can not suffer the pushing down of counter weight and closed, ensured the unobstructed of drainage.
As shown in fig. 8 to fig. 11, a scraper 12 is slidably connected to the outer side of the inside of the groove 10, sliders 13 are fixedly connected to the outer side of the scraper 12 at equal intervals, sliding grooves 14 are formed in one side of the groove 10, which is attached to the scraper 12, at equal intervals, and the bottom of the inner side of the scraper 12 is an arc-shaped surface; the sliding block 13 is slidably connected to the inside of the sliding chute 14, and the friction force between the sliding block 13 and the sliding chute 14 is smaller than the gravity of the scraper 12.
By adopting the above technical scheme, when the nylon cloth 112 is pulled to the periphery, the nylon cloth 112 contacts with the inner side of the scraper 12, and the bottom of the inner side of the scraper 12 is an arc-shaped surface, so that the nylon cloth 112 pushes the scraper 12 upwards under the stress of the arc-shaped surface, so that the scraper 12 slides to the inside of the groove 10 in the chute 14 by using the slider 13, when the nylon cloth 112 is retracted, because the gravity of the nylon cloth 112 is greater than the elastic force of the coil spring 111, the nylon cloth 112 needs to be lifted manually to the direction of the groove 10 for auxiliary conveying, so that the winding shaft 113 is matched with the action of the coil spring 111 to wind the nylon cloth 112, so that the winding speed is slow, the scraper 12 is convenient to scrape off the residual dirt on the surface of the nylon cloth 112, the dirt is prevented from adhering to the nylon cloth 112 to influence the winding thereof, when the nylon cloth 112 is wound, the nylon cloth 112 contacts with the scraper 12 to apply force to the scraper 12, so as to increase the friction force between the slider 13 and the chute 14, thereby preventing the slider 13 from sliding in the chute 14, keeping the scraper 12 in contact with the nylon cloth 112 all the time, and smoothly scraping the dirt on the lower surface of the nylon cloth 112.
The using method comprises the following steps: firstly, aligning a base 4 of a tower crane foundation with a fixed reinforcing steel bar on a ground concrete foundation, sequentially penetrating the reinforcing steel bar through the inside of a fixed hole 9 on the base 4 to ensure that the base 4 is jointed with the concrete foundation, penetrating the reinforcing steel bar from the upper part of the base 4 by using a bolt, fixing the base 4 and the reinforcing steel bar by using the bolt, splicing a base section of the tower crane with a connecting seat 3 on a reinforcing beam 2 after fixing the base 4, fixing by using the bolt, then rotating a reinforcing arm 7 by using a rotating mechanism 6 to ensure that a connecting piece 8 on the reinforcing arm 7 is jointed with the base section of the tower crane, fixing the base section of the tower crane and the connecting piece 8 by using the bolt, increasing the tensile resistance to the tower crane by using the reinforcing arm 7, ensuring the stability of the tower crane, on the basis, dragging the nylon cloth 112 wound inside a groove 10 to the periphery of a steel structure foundation, the nylon cloth 112 is unfolded by rotating the winding shaft 113, then the unfolded nylon cloth 112 is laid on the periphery of the steel structure foundation, because the gravity of the nylon cloth 112 is greater than the elastic force of the coil spring 111, the winding shaft 113 is not driven to rotate under the action of the coil spring 111 to wind the nylon cloth 112, after the nylon cloth 112 is unfolded and laid flat, the air valve 114 is opened, the spring 117 is spread, the inner space of the sealed cavity 116 is enlarged, so that the outside air is sucked into the sealed cavity 116 through the air valve 114 until the sealed cavity 116 is filled with air, the air valve 114 is closed, the double-layer nylon cloth 112 is far away from the upper and lower parts by utilizing the expansion of the sealed cavity 116, and then the cavity 119 is formed in the middle part of the nylon cloth 112, at this time, the cavity 119 on the nylon cloth 112 is utilized as a drainage channel, and because the connection part of the unfolded nylon cloth 112 and the winding shaft 113 is positioned at the bottom of the winding shaft 113, thickness after nylon cloth 112 inflation equals the interval between 1 diapire of girder to the 4 diapalls of base, consequently cavity 119 flushes with the contact surface of steel structure basis and concrete foundation, make when steel structure basis department produces ponding, accessible cavity 119 is to dredging all around, avoid ponding to cause the corrosion to steel structure basis, later again with the grit in building place, material such as earth is spread and is covered its formation and cover on nylon cloth 112, thereby utilize the frictional force between nylon cloth 112 and the material of ground and the shop's cover, and the material realizes the counter weight to steel structure basis to the gravity of nylon cloth 112, and then reduced the swing amplitude of tower crane in work, the stability of tower crane operation has been improved.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (8)
1. The utility model provides a steel construction tower crane basis, includes girder (1), its characterized in that: every two of the diagonal angles of the main beam (1) are fixedly connected with a reinforcing beam (2), two sides of the upper end of the reinforcing beam (2) are fixedly connected with connecting seats (3), the corners of the lower end of the main beam (1) are fixedly connected with a base (4), the corners of the base (4) are respectively provided with a fixing hole (9), and one fixing hole (9) extends upwards to penetrate through the outer surface of the upper end of the reinforcing beam (2);
the periphery of the lower end of the main beam (1) is provided with a groove (10), a tensile mechanism (11) is arranged in the groove (10), the tensile mechanism (11) comprises a winding shaft (113) which is rotatably connected in the groove (10), the surface of the winding shaft (113) is sleeved with nylon cloth (112), and the nylon cloth (112) is wound on the surface of the winding shaft (113);
the nylon cloth (112) is designed to be of a three-layer structure, two sides of the space between the lower two layers of nylon cloth (112) are fixedly connected with partitions (115), a sealing cavity (116) is formed between the partitions (115) and the inner side wall of the nylon cloth (112), the inner wall of the sealing cavity (116) is fixedly connected with a sealing film (118), two sides of the inner part of the sealing cavity (116) are fixedly connected with springs (117) at equal distances, one end, far away from a winding shaft (113), of the nylon cloth (112) corresponds to a position of the sealing cavity (116) and is fixedly connected with an air valve (114), the middle parts of two ends of the space between the lower two layers of nylon cloth (112) are both in an open state, and a cavity (119) is formed in the middle part of the space between the lower two layers of nylon cloth (112);
the inside outside sliding connection of recess (10) has scraper blade (12), and the outside equidistance fixedly connected with slider (13) of scraper blade (12), spout (14) have been seted up to one side equidistance that recess (10) and scraper blade (12) laminated, the inboard bottom of scraper blade (12) is the arcwall face.
2. The steel structure tower crane foundation of claim 1, wherein: and the end part of the winding shaft (113) is fixedly connected with a coil spring (111), and two ends of the coil spring (111) are respectively and fixedly connected with the winding shaft (113) and the inner wall of the groove (10).
3. The steel structure tower crane foundation of claim 1, wherein: the sliding block (13) is connected to the inside of the sliding groove (14) in a sliding mode, and the friction force between the sliding block (13) and the sliding groove (14) is smaller than the gravity of the scraping plate (12).
4. The steel structure tower crane foundation of claim 1, wherein: the outer surfaces of the upper end and the lower end of the upper layer of the nylon cloth (112) are fixedly connected with keel frames (1121) at equal intervals, and the keel frames (1121) and corresponding winding shafts (113) are kept horizontal.
5. The steel structure tower crane foundation of claim 2, wherein: the gravity of the nylon cloth (112) is greater than the elastic force of the coil spring (111).
6. The steel structure tower crane foundation of claim 1, wherein: the junction of nylon cloth (112) after the expansion with around reel (113) is located the bottom around reel (113), the thickness after nylon cloth (112) inflation equals the interval between girder (1) diapire to base (4) diapire.
7. The steel structure tower crane foundation of claim 1, wherein: the sum of the elastic forces of the plurality of springs (117) is greater than the gravity of the nylon cloth (112).
8. The steel structure tower crane foundation of claim 1, wherein: the reinforcing beam is characterized in that fixing rods (5) are fixedly connected to two sides of the upper end of the reinforcing beam (2), reinforcing arms (7) are movably connected to the upper ends of the fixing rods (5), rotating mechanisms (6) are fixedly connected between the reinforcing arms (7) and the fixing rods (5), and connecting pieces (8) are fixedly connected to the upper ends of the reinforcing arms (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211628981.5A CN115613623B (en) | 2022-12-19 | 2022-12-19 | Steel construction tower crane basis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211628981.5A CN115613623B (en) | 2022-12-19 | 2022-12-19 | Steel construction tower crane basis |
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| CN115613623A CN115613623A (en) | 2023-01-17 |
| CN115613623B true CN115613623B (en) | 2023-04-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216268037U (en) * | 2021-10-11 | 2022-04-12 | 江苏豪发纺织科技有限公司 | Nylon fabric with surface antifouling structure |
| CN114541465A (en) * | 2022-03-28 | 2022-05-27 | 中建三局集团有限公司 | Prefabricated assembled steel construction tower crane basis that can have enough to meet need |
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|---|---|---|---|---|
| GB246596A (en) * | 1924-11-04 | 1926-02-04 | Marion Wallace Dunlop | Improvements in tents |
| EP1961888A1 (en) * | 2005-12-13 | 2008-08-27 | Osamu Ito | Combined awning device, and take-up roller for sheets of canvas |
| CN204849813U (en) * | 2015-06-26 | 2015-12-09 | 安徽庞源机械工程有限公司 | Ballast formula grit basis |
| CN109645796B (en) * | 2018-12-24 | 2022-08-02 | 顾连江 | Graphene children pad |
| CN109795957A (en) * | 2019-03-20 | 2019-05-24 | 中国十九冶集团有限公司 | Tower crane mounting structure |
| CN215632104U (en) * | 2021-07-27 | 2022-01-25 | 绍兴市上虞盛源旅游用品有限公司 | Outdoor windproof stable tent |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216268037U (en) * | 2021-10-11 | 2022-04-12 | 江苏豪发纺织科技有限公司 | Nylon fabric with surface antifouling structure |
| CN114541465A (en) * | 2022-03-28 | 2022-05-27 | 中建三局集团有限公司 | Prefabricated assembled steel construction tower crane basis that can have enough to meet need |
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