Novel double-layer foundation conversion small support

Abstract

The utility model discloses a novel double -deck foundation conversion small support belongs to tower crane technical field, include: the plurality of through -hole I is equipped with on the lower layer bottom plate, the position of avoiding through -hole I on the lower layer bottom plate is fixedly connected with a plurality of lower baffle, the upper end fixedly connected with the upper layer bottom plate of lower baffle, the upper end fixedly connected with vertical fish tail plate II of upper layer bottom plate, be equipped with through -hole II on fish tail plate II, the upper end still vertical fixedly connected with fish tail plate I and fish tail plate III that are parallel to each other on upper layer floor, fish tail plate I and fish tail plate III are parallel to each other, fish tail plate I and fish tail plate II are perpendicular to each other on horizontal plane, and fish tail plate I and fish tail plate III are equipped with respectively through the through -hole IV and through -hole V, and through -hole IV and through -hole V are on the same straight line, the utility model has the advantages of light weight, small, convenient installation.

Description

Technical Field

[0001] This utility model relates to the field of tower crane technology, specifically to a novel double-layer foundation conversion small support. Background Technology

[0002] In construction projects, in order to install tower cranes as early as possible, anchor bolt foundations are often made in advance at the start of the project, so that the concrete of the anchor bolt foundations can solidify in advance.

[0003] However, if the customer changes or replaces the tower crane model before the installation of the tower crane is confirmed, the pre-embedded anchor bolts made in the early stage may not be sufficient to meet the installation requirements of the new customer's tower crane model. Therefore, it is necessary to design a conversion structure (conversion plate) between the anchor bolt foundation and the tower crane tower body.

[0004] like Figure 1 As shown, the traditional tower crane conversion panel is an integral unit, welded together from components such as small supports, main beams, half beams, and bases. The small supports are welded to the upper part of the conversion panel, with one small support welded to each part, for a total of four pieces, corresponding to the four corners of the tower crane tower body.

[0005] The disadvantages of such a conversion plate are: 1. The total weight is relatively heavy, requiring a large-tonnage truck crane for hoisting; 2. The length and width of the conversion section are much larger than the cross-section of the tower body, requiring a large space for transportation and the use of a flatbed truck with a large loading capacity; 3. The upper surface of the small support on the upper part of the conversion plate needs to be parallel to the ground, but because of its large size, the deformation is relatively large in actual use, making leveling more difficult.

[0006] Additionally, when the fixed square tube tower body type is replaced with a sheet angle steel tower body type, the small supports used, such as... Figure 2 As shown, because the cross-section of the plate angle steel tower body is slightly larger than that of the fixed square tube tower body, the pre-embedded anchor bolts may be too close to the main chord of the small support of the new tower crane, making it impossible to install the nuts. Or, during leveling, the need to install nuts may cause interference, making leveling difficult and even failing to meet the installation requirements of the tower crane, thus creating safety hazards. Utility Model Content

[0007] The present invention aims to solve the technical problems mentioned in the background section above, and provides a novel double-layer foundation conversion small support, which has the advantages of light weight, small size, and convenient transportation, and can easily replace the fixed square tube tower body type with the plate angle steel tower body type.

[0008] Based on the above objectives, the technical solution provided by the first aspect of this utility model is as follows: a novel double-layer foundation conversion small support, comprising a lower base plate, a plurality of through holes I on the lower base plate, a plurality of lower stiffening plates fixedly connected to the lower base plate at positions avoiding the through holes I, an upper base plate fixedly connected to the upper end of the lower stiffening plates, a vertical fishtail plate II fixedly connected to the upper end of the upper base plate, the fishtail plate II having through holes II, and fishtail plates I and III being vertically fixedly connected to the upper end of the upper base plate, the fishtail plates I and III being parallel to each other, the fishtail plates I and II being perpendicular to each other on the horizontal plane, the fishtail plates I and III having through holes IV and V respectively, the through holes IV and V being on the same straight line.

[0009] In some embodiments, the fishtail plate Ⅲ is disposed inside the fishtail plate Ⅰ and the fishtail plate Ⅱ. The fishtail plate Ⅲ is in the form of a right-angle bend. The fishtail plate Ⅲ is also provided with a through hole VI, which is on the same straight line as the through hole Ⅱ.

[0010] In some embodiments, through hole I is fastened to bolts on the anchor bolt foundation, thereby securing the lower floor to the anchor bolt foundation.

[0011] In some embodiments, through holes II, IV and V are connected to the pin holes of the main members of the standard section of the plate angle steel tower body via pins.

[0012] In some embodiments, through holes II and VI are provided on both sides of the angle steel of one main limb of the standard section of the plate angle steel tower body, and are connected in sequence by pins to through holes II, pin holes of the angle steel of one main limb of the standard section of the plate angle steel tower body, and through holes VI. Through holes IV and V are provided on both sides of the angle steel of one main limb of the standard section of the plate angle steel tower body, and are connected in sequence by pins to through holes IV, pin holes of the angle steel of one main limb of the standard section of the plate angle steel tower body, and through holes V.

[0013] In some embodiments, a lower main chord is fixedly connected to the upper middle part of the lower base plate, and the upper end of the lower main chord is fixedly connected to the upper base plate.

[0014] In some embodiments, baffles are fixedly connected to the sides of the lower base plate and the upper base plate.

[0015] In some embodiments, a main chord angle steel is fixedly connected to the upper end of the upper base plate, a fishtail plate III is fixedly connected to the inner side of the main chord angle steel, and a fishtail plate I and a fishtail plate II are fixedly connected to the outer side of the main chord angle steel respectively.

[0016] In some embodiments, a short stiffener plate is fixedly connected to the upper end of the upper base plate. The short stiffener plate is in the shape of an angle steel. The bending angle of the short stiffener plate and the bending angle of the main chord angle steel are arranged intersectingly and fixedly connected to each other. A reinforcing round steel is fixedly connected in the gap formed by the intersection of the bending angle of the short stiffener plate and the bending angle of the main chord angle steel.

[0017] In some embodiments, high-strength plate I and high-strength plate II are fixedly connected to both sides of the main chord angle steel, and the lower ends of high-strength plate I and high-strength plate II are fixedly connected to the upper bottom plate.

[0018] The advantages of this utility model compared with the prior art are: 1. It is lightweight, small in size, and easy to transport; 2. The nut is installed on the lower base plate, avoiding interference from the main chord angle steel, and it is easy to replace the fixed square tube tower body type with the plate angle steel tower body type.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the traditional converter disk structure mentioned in the background technology of this utility model; Figure 2 This is a schematic diagram illustrating the interference that occurs when directly installing a small support, as mentioned in the background section of this utility model. Figure 3 This is a front view schematic diagram of the double-layer foundation conversion small support according to an embodiment of this utility model; Figure 4 yes Figure 3 Schematic diagram of AA section of double-layer foundation conversion support shown; Figure 5 yes Figure 3 The schematic diagram of the cross-section of the double-layer foundation conversion support BB shown in the figure; Figure 6 yes Figure 3 The diagram shown is a left view of the double-layer foundation conversion support. Figure 7 This is a three-dimensional structural diagram of the double-layer foundation conversion small support according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the installation of the double-layer foundation conversion small support according to an embodiment of this utility model; In the attached diagram: 1. Main chord angle steel; 2. Upper base plate; 3. Short stiffener plate; 4. Reinforcing round steel; 5. High stiffener plate I; 6. High stiffener plate II; 7. Fishplate I; 8. Fishplate II; 9. Fishplate III; 10. Lower base plate; 11. Lower main chord; 12. Lower stiffener plate; 13. Baffle plate; 14. Foundation anchor bolts; 100. Double-layer foundation conversion small support; 200. Plate-type angle steel tower body; 201. Main limb; 71. Through hole IV; 81. Through hole II; 91. Through hole V; 92. Through hole VI; 101. Through hole I; a) Traditional small support; b) Half beam; c) Full beam; d) Base. Detailed Implementation

[0021] The present invention will now be described in further detail.

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0023] Combination Figure 3 , Figure 5 As shown, a novel double-layer foundation conversion small support 100 has four through holes I101 at the four corners of the lower base plate 10. The through holes I101 are fastened to the bolts of the anchor bolt type foundation, thereby fixing the lower floor to the anchor bolt type foundation.

[0024] A lower main chord 11 is welded to the upper middle part of the lower base plate 10. The upper end of the lower main chord 11 is welded to the upper base plate 2. A cross-shaped lower stiffening plate 12 is also welded to the lower base plate 10. Baffles 13 are welded to the sides of the lower base plate 10 and the upper base plate 2. The horizontal ends of the lower stiffening plate 12 are welded to the baffles 13 and the lower main chord 11, respectively. The upper end of the lower stiffening plate 12 is welded to the lower end of the upper base plate 2. The size and position of the lower main chord 11, baffles 13 and lower stiffening plate 12 are appropriate and do not affect the installation of the nuts of the anchor bolt foundation.

[0025] Combination Figure 3 , Figure 4 , Figure 6 , Figure 7 As shown, a main chord angle steel 1 is welded to the upper middle part of the upper bottom plate 2. Fish tail plate Ⅲ9 is welded to the inner side of the main chord angle steel 1. Fish tail plate Ⅰ and fish tail plate Ⅱ are welded to the outer side of the main chord angle steel 1 respectively. Fish tail plate Ⅰ and fish tail plate Ⅱ are perpendicular to each other.

[0026] A short stiffening plate 3 is welded to the upper end of the upper base plate 2. The short stiffening plate 3 is in the shape of angle steel. The bending angle of the short stiffening plate 3 and the bending angle of the main chord angle steel 1 are arranged to intersect and are welded to each other. A reinforcing round steel 4 is welded in the gap formed by the intersection of the bending angle of the short stiffening plate 3 and the bending angle of the main chord angle steel 1. High-strength plate I and high-strength plate II are welded to the inner sides of the main chord angle steel 1, and the lower ends of high-strength plate I and high-strength plate II are welded and fixed to the upper bottom plate 2.

[0027] Fish tail plate Ⅲ9 is provided with through hole Ⅴ91 and through hole Ⅵ92, fish tail plate Ⅰ is provided with through hole Ⅳ71 which is the same as through hole Ⅴ91 and is on the same straight line, and fish tail plate Ⅱ is provided with through hole Ⅱ81 which is the same as through hole Ⅵ92 and is on the same straight line.

[0028] Combination Figure 8As shown, during installation, the double-layer foundation conversion small support 100 is installed between the anchor bolt foundation and the tower crane tower body. Before installation, the new double-layer foundation conversion small support 100 can be placed on the upper part of the anchor bolt foundation, and the levelness of the upper end face can be measured. If the levelness meets the installation requirements of the tower crane, it can be installed directly. If the levelness does not meet the installation requirements of the tower crane, shims of different thicknesses can be added between the lower part of the new double-layer foundation conversion small support 100 and the anchor bolt foundation. Shims of different thicknesses can be used to improve the levelness of the upper end face of the small support until the levelness meets the installation requirements of the tower crane.

[0029] After the installation requirements are met, the lower part of the small support is connected to the anchor bolt foundation. The lower base plate 10 of the small support is inserted by the anchor bolts on the foundation and tightened with nuts and washers.

[0030] The main limb 201 of the standard section of the plate angle steel tower body 200 is an angle steel with pin holes on both sides. When the main limb 201 is connected to the double-layer foundation conversion small support 100, the fishplate Ⅲ9 is located inside the angle steel of the main limb 201, and the fishplate Ⅰ and fishplate Ⅱ are located on the two outer sides of the angle steel of the main limb 201. The pin shaft is driven in and passes through the through hole Ⅳ71 of the fishplate Ⅰ, the pin hole of the main limb 201 and the through hole Ⅴ91 of the fishplate Ⅲ9 in sequence, and is fixed with a vertical pin and a cotter pin. On the other side, the pin shaft is also driven in and passes through the through hole Ⅱ81 of the fishplate Ⅱ, the pin hole of the main limb 201 and the through hole Ⅵ92 of the fishplate Ⅲ9 in sequence, and is fixed with a vertical pin and a cotter pin, thereby fixing the double-layer foundation small support and the plate angle steel tower body 200 of this embodiment.

[0031] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A novel double-layer foundation conversion small support (100), characterized in that, The system includes a lower base plate (10), which has multiple through holes I (101). Multiple lower stiffeners (12) are fixedly connected to the lower base plate (10) at positions avoiding the through holes I (101). An upper base plate (2) is fixedly connected to the upper end of the lower stiffeners (12). A vertical fishtail plate II is fixedly connected to the upper end of the upper base plate (2). The fishtail plate II has through holes II (81). The upper end of the upper base plate (2) is also vertically fixedly connected to fishtail plates I and III (9), which are parallel to each other. The fishtail plates I and III (9) are parallel to each other and perpendicular to each other on the horizontal plane. The fishtail plates I and III (9) have through holes IV (71) and V (91), respectively. The through holes IV (71) and V (91) are on the same straight line.

2. The novel double-layer foundation conversion small support (100) according to claim 1, characterized in that: The fish tail plate Ⅲ (9) is located inside the fish tail plate Ⅰ and the fish tail plate Ⅱ. The fish tail plate Ⅲ (9) is in the form of a right-angle bend. The fish tail plate Ⅲ (9) is also provided with a through hole Ⅵ (92). The through hole Ⅵ (92) and the through hole Ⅱ (81) are on the same straight line.

3. The novel double-layer foundation conversion small support (100) according to claim 1, characterized in that: The through hole I (101) is fastened to the bolts of the anchor bolt foundation, thereby fastening the lower floor to the anchor bolt foundation.

4. The novel double-layer foundation conversion small support (100) according to claim 1, characterized in that: The through holes II (81), IV (71) and V (91) are connected to the pin holes of the main limb (201) of the standard section of the plate angle steel tower body (200) by means of pins.

5. The novel double-layer foundation conversion small support (100) according to claim 2, characterized in that: The through hole II (81) and the through hole VI (92) are provided on both sides of the angle steel of a main limb (201) of a standard section of the plate angle steel tower body (200). They are connected in sequence by pins to the through hole II (81), the pin hole of the angle steel of a main limb (201) of a standard section of the plate angle steel tower body (200), and the through hole VI (92). The through hole IV (71) and the through hole V (91) are provided on both sides of the angle steel of a main limb (201) of a standard section of the plate angle steel tower body (200). They are connected in sequence by pins to the through hole IV (71), the pin hole of the angle steel of a main limb (201) of a standard section of the plate angle steel tower body (200), and the through hole V (91).

6. The novel double-layer foundation conversion small support (100) according to claim 1, characterized in that: The lower main chord (11) is fixedly connected to the middle of the upper end of the lower base plate (10), and the upper end of the lower main chord (11) is fixedly connected to the upper base plate (2).

7. The novel double-layer foundation conversion small support (100) according to claim 1, characterized in that: The lower bottom plate (10) and the upper bottom plate (2) are fixedly connected to the sides of the baffle (13).

8. The novel double-layer foundation conversion small support (100) according to claim 1, characterized in that: The upper end of the upper base plate (2) is fixedly connected to a main chord angle steel (1), the inner side of the main chord angle steel (1) is fixedly connected to a fishtail plate III (9), and the outer side of the main chord angle steel (1) is fixedly connected to a fishtail plate I and a fishtail plate II respectively.

9. The novel double-layer foundation conversion small support (100) according to claim 8, characterized in that: The upper end of the upper base plate (2) is also fixedly connected to a short stiffening plate (3). The short stiffening plate (3) is in the shape of an angle steel. The bending angle of the short stiffening plate (3) and the bending angle of the main chord angle steel (1) are arranged to cross each other and fixedly connected. A reinforcing round steel (4) is fixedly connected in the gap formed by the intersection of the bending angle of the short stiffening plate (3) and the bending angle of the main chord angle steel (1).

10. The novel double-layer foundation conversion small support (100) according to claim 8, characterized in that: The two sides of the main chord angle steel (1) are respectively fixedly connected to high-strength plate I and high-strength plate II, and the lower ends of high-strength plate I and high-strength plate II are fixedly connected to the upper bottom plate (2).

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