Fast-assembly type cross beam of tower crane

Abstract

The utility model provides a fast-assembly type cross beam of a tower crane, which belongs to the technical field of tower cranes and comprises a base, a long beam, two short beams, a connecting support rod and a balancing weight, the two short beams are respectively connected to two sides of the middle of the long beam, the two short beams and the long beam form a cross-shaped structure, and the connecting support rod is connected with the balancing weight. The two sides of the long beam are connected with one sides of the two short beams through the connecting supporting rods respectively, the bases are arranged at the bottom ends of the long beam and the short beams respectively, the balancing weights are arranged on the long beam and the short beams, the tower crane fixing supporting legs are arranged on the long beam and the short beams respectively, and the tower crane fixing supporting legs are arranged on the inner sides of the balancing weights. According to the fast-assembly type cross beam, the cross beam and the balancing weights serve as fixing foundations of a tower crane, after the cross beam is assembled on the horizontal ground, a tower can be erected by pressing the cross beam with the weight of a certain number of balancing weights, the fast-assembly type design is achieved, a reinforced concrete embedded part foundation does not need to be made, the tower erecting site is flexible, and the tower erecting preparation work is small.

Description

TECHNICAL FIELD

[0001] The utility model relates to tower crane technical field especially relates to a tower crane quick -witted cross beam. BACKGROUND

[0002] The tower machine metal structure includes the foundation section, the tower body, the rotation, the balance arm, the hoisting arm frame, the adhesion rod and so on steel structure component composition, is mainly used in the vertical and horizontal transportation of material, component installation and so on purposes in multilayer and high -rise building construction, in the operation process, the root of tower machine is subjected to the huge overturning moment. Therefore, before the tower machine, the foundation needs to be done in advance, is used for fixing the tower body of tower machine. The foundation of tower machine must be stable and reliable, can only ensure the safety of operation process.

[0003] In the use process of tower machine, the fixed foundation is mostly adopted, that is, the pre -buried support leg, pre -buried bolt and pre -buried foundation section are fixed through the reinforced concrete pouring, and the tower is erected on the pre -buried part after the reinforced concrete hardens. This kind of mode is more firm, but the hoisting and transportation range of fixed foundation is small, that is, within the hoisting arm frame rotation radius, and the work load of its foundation production is large, the cost is high, the time is long, is applicable to the project of longer construction period, and the pre -buried part can not be reused. SUMMARY

[0004] The utility model discloses a kind of tower crane quick -witted cross beam, solve the technical problem of high production cost of existing fixed foundation. The quick -witted cross beam of the utility model is set, without making reinforced concrete foundation and pre -buried work, just install cross beam on horizontal ground, the weight of certain number of counterweight is pressed on cross beam, the pressure of counterweight is greater than the overturning moment generated in the operation process of tower machine, and the tower body is directly installed on cross beam to fix the tower body of tower machine.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] A kind of tower crane quick -witted cross beam, including base, long beam, two short beams, connecting strut and counterweight, the two short beams are connected in the middle of long beam two sides respectively, the two short beams and long beam are cross-shaped structure, the two sides of long beam are connected with the side of two short beams by connecting strut respectively, the base is set at the bottom of one end of long beam and two short beams respectively, the counterweight is set on long beam and short beam, long beam and short beam are respectively provided with tower machine fixed support leg, and tower machine fixed support leg is set in the inside of counterweight. The quick -witted cross beam of the utility model takes cross beam and counterweight as the fixed foundation of tower machine, after cross beam is assembled on horizontal ground, the tower is erected by the weight of certain number of counterweight being pressed on cross beam, quick -witted design, without doing reinforced concrete pre -buried part foundation, tower erection site is flexible, and tower erection preparation is small.

[0007] In the embodiment of the utility model, the base can be replaced by traveling wheels and designed tracks, i.e. traveling wheels are installed at the bottom ends of the long beam and the two short beams, the traveling wheels are driven by a motor to travel on the tracks, i.e. the tower crane travels on the designed tracks, and the material transportation range is increased.

[0008] Further, the middle part of the long beam is provided with a hinged seat, the two short beams are respectively hinged at two ends of the hinged seat, the two short beams are respectively hinged with the hinged seat through short beam pin shafts, the upper ends of the two short beam pin shafts are connected through a pin shaft connecting plate, and the pin shaft connecting plate is arranged on the upper surface of the long beam.

[0009] Further, the two sides of the long beam and one side of the two short beams are respectively provided with support rod connecting seats, one end of the connecting support rod is connected with the support rod connecting seat of the long beam, the other end of the connecting support rod is connected with the support rod connecting seat of the short beam, and the support rod connecting seat and the connecting support rod are connected through a support rod pin shaft.

[0010] Further, the long beam comprises a long top plate, a long bottom plate and two long side plates, the upper ends of the two long side plates are respectively connected at the two sides of the bottom end of the long top plate, the lower ends of the two long side plates are respectively connected at the two sides of the top end of the long bottom plate, the two long side plates are oppositely arranged, the hinged seat is arranged through the middle part of the two long side plates, and the two ends of the two long side plates are respectively connected through long connecting plates.

[0011] Further, the two ends of the long top plate are respectively provided with tower crane fixed supporting leg base plates, the tower crane fixed supporting legs are connected on the tower crane fixed supporting leg base plates through bolts, and the bolts are respectively arranged through the tower crane fixed supporting leg base plates and the long top plate.

[0012] Further, the outer sides of the two long side plates are respectively provided with a plurality of long reinforcing plates, the two ends of the long reinforcing plates are respectively connected with the long top plate and the long bottom plate, and the support rod connecting seat is arranged on one end of the long side plate.

[0013] Further, the short beam comprises a short top plate, a short bottom plate and two short side plates, the upper ends of the two short side plates are respectively connected at the two sides of the bottom end of the short top plate, the lower ends of the two short side plates are respectively connected at the two sides of the top end of the short bottom plate, the two short side plates are oppositely arranged, and the two ends of the two short top plates are respectively connected through short connecting plates.

[0014] Further, one end of the short top plate and the short bottom plate is respectively provided with a hinged lug plate, the hinged lug plate is provided with a ring-shaped gasket, the short top plate is provided with a tower crane fixed supporting leg base plate, the tower crane fixed supporting legs are connected on the tower crane fixed supporting leg base plate through bolts, and the bolts are respectively arranged through the tower crane fixed supporting leg base plate and the short top plate.

[0015] Further, the outer sides of the two short top plates are respectively provided with a plurality of short reinforcing plates, both ends of the short reinforcing plates are connected with the short top plate and the short bottom plate respectively, and the support rod connecting seat is arranged on one end of the short side plate.

[0016] The utility model discloses have following beneficial effect because of adopting above -mentioned technical scheme:

[0017] 1, the utility model discloses a quick -wearing type cross beam takes long beam, short beam and counterweight as the fixed base of tower crane, after long beam and short beam are assembled on the horizontal ground, just can erect tower through the weight of certain number counterweight and press on long beam and short beam, quick -wearing type design, need not do reinforced concrete embedded part base, erect tower site is flexible, erect tower preparation is small.

[0018] 2, the utility model discloses quick -wearing type cross beam's manufacturing workload is small, and time is short, is applicable to long -short project of period, and long beam, short beam and counterweight can be repeatedly used, and the cost is low. DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of quick -wearing type cross beam of the utility model;

[0020] Figure 2 It is the schematic diagram of long beam and short beam of the utility model unfolding;

[0021] Figure 3 It is the schematic diagram of short beam and long beam folding of the utility model;

[0022] Figure 4 It is the structure schematic diagram of long beam of the utility model;

[0023] Figure 5 It is the structure schematic diagram of short beam of the utility model;

[0024] Figure 6 It is the structure schematic diagram of base of the utility model;

[0025] Figure 7 It is the structure schematic diagram of tower machine fixed support leg of the utility model;

[0026] Figure 8 It is the structure schematic diagram of tower machine connecting support rod of the utility model.

[0027] In the drawings, 1 - base, 2 - long beam, 21 - long top plate, 22 - long bottom plate, 23 - long side plate, 231 - long reinforcing plate, 24 - long connecting plate, 3 - short beam, 31 - short top plate, 32 - short bottom plate, 33 - short side plate, 34 - short connecting plate, 35 - hinged lug plate, 4 - connecting strut, 5 - counterweight, 6 - tower crane fixed leg, 7 - hinged seat, 8 - short beam pin shaft, 9 - pin shaft connecting plate, 10 - strut connecting seat, 101 - strut pin shaft, 102 - tower crane fixed leg pad plate, 103 - bolt. DETAILED DESCRIPTION

[0028] To make the purpose, technical scheme and advantages of the present application clearer, the following preferred embodiments are described in detail with reference to the drawings. However, it should be noted that many details in the description are only to make the reader have a thorough understanding of one or more aspects of the present application, and the aspects of the present application can be realized without these specific details.

[0029] As shown in Figures 1-2 A tower crane quick-mounting cross beam, comprising a base 1, a long beam 2, two short beams 3, a connecting strut 4 and a counterweight 5, the two short beams 3 are respectively connected on both sides of the middle part of the long beam 2, the two short beams 3 and the long beam 2 form a cross-shaped structure, the two sides of the long beam 2 are respectively connected with one side of the two short beams 3 through the connecting struts 4, the base 1 is arranged at the bottom of one end of the long beam 2 and the two short beams 3, the counterweight 5 is arranged on the long beam 2 and the short beam 3, the long beam 2 and the short beam 3 are respectively provided with a tower crane fixed leg 6, and the tower crane fixed leg 6 is arranged on the inner side of the counterweight 5. The quick-mounting cross beam of the present application takes the long beam 2, the short beam 3 and the counterweight 5 as the fixed foundation of the tower crane, after the long beam 2 and the short beam 3 are assembled on the horizontal ground, the tower can be erected by pressing the weight of a certain number of counterweights 5 on the long beam 2 and the short beam 3, the quick-mounting design does not need to make a reinforced concrete embedded part foundation, the tower erection site is flexible, and the tower erection preparation work is small.

[0030] As shown in Figures 2-3As shown, a hinge seat 7 is provided in the middle of the long beam 2. The two short beams 3 are respectively hinged to both ends of the hinge seat 7. The two short beams 3 are respectively hinged to the hinge seat 7 via short beam pins 8. The two short beams 3 can rotate around the short beam pins 8 on the hinge seat 7. The upper ends of the two short beam pins 8 are connected by pin connecting plates 9, and the pin connecting plates 9 are set on the top of the long beam 2 to enhance the stability of the short beam pins 8. Support rod connecting seats 10 are provided on both sides of the long beam 2 and on one side of the two short beams 3. One end of the connecting support rod 4 is connected to the support rod connecting seat 10 of the long beam 2, and the other end of the connecting support rod 4 is connected to the support rod connecting seat 10 of the short beam 3. The support rod connecting seat 10 and the connecting support rod 4 are connected by support rod pins 101. When the quick-assembly cross beam is not in use, remove the counterweights 5 from the long beam 2 and the short beam 3, and then remove the strut pins 101 connecting the short beam 3 and the connecting strut 4. The two short beams 3 can then rotate around the short beam pins 8 on the hinge seat 7, folding the two short beams 3 to both sides of the long beam 2 to reduce their space occupation and facilitate transportation and storage. When using the quick-assembly cross beam, rotate the two short beams 3 around the short beam pins 8 on the hinge seat 7 until they are perpendicular to the long beam 2, and then connect the short beams 3 and the connecting strut 4 through the strut pins 101 to fix and lock them in place, thus unfolding the cross beam.

[0031] like Figure 4 As shown, the long beam 2 includes a long top plate 21, a long bottom plate 22, and two long side plates 23. The upper ends of the two long side plates 23 are respectively connected to the two sides of the bottom end of the long top plate 21, and the lower ends of the two long side plates 23 are respectively connected to the two sides of the top end of the long bottom plate 22. The two long side plates 23 are arranged opposite to each other. The hinge seat 7 is disposed through the middle of the two long side plates 23, and the long side plates 23 are connected and fastened to the hinge seat 7. The two ends of the two long side plates 23 are respectively connected by long connecting plates 24. The middle of the long beam 2 is hollow, which can reduce the weight of the long beam 2 and save materials for manufacturing the long beam 2, thereby saving manufacturing costs and making it convenient to use. Tower crane fixed leg pads 102 are respectively provided on both ends of the long top plate 21 for fixing the tower crane fixed legs 6. The tower crane fixed legs 6 are connected to the tower crane fixed leg pads 102 by bolts 103, which pass through the tower crane fixed leg pads 102 and the long top plate 21 respectively. The tower crane fixed legs 6 are fastened with bolts according to the appropriate hole positions selected according to the cross-sectional size of the tower body. Several long reinforcing plates 231 are respectively provided on the outer side of the two long side plates 23. The two ends of the long reinforcing plates 231 are connected to the long top plate 21 and the long bottom plate 22 respectively. The long reinforcing plates 231 are used to further enhance the stability of the long beam 2 and ensure the stability of the long beam 2 during operation. The strut connecting seat 10 is provided on one end of the long side plate 23 and is used to connect with the connecting strut 4.

[0032] likeFigure 5 As shown in the drawings, the short beam 3 comprises a short top plate 31, a short bottom plate 32 and two short side plates 33, the upper ends of the two short side plates 33 are connected on both sides of the bottom end of the short top plate 31 respectively, the lower ends of the two short top plates 31 are connected on both sides of the top end of the short bottom plate 32 respectively, the two short side plates 33 are oppositely arranged, and the two ends of the two short top plates 31 are connected through a short connecting plate 34 respectively. The middle of the short beam 3 is hollow, which can not only reduce the weight of the short beam 3, but also save the material for manufacturing the short beam 3, thereby saving the manufacturing cost and being convenient to use. One end of the short top plate 31 and the short bottom plate 32 is respectively provided with a hinged lug plate 35, the hinged lug plate 35 is provided with an annular gasket 36, and the short beam pin shaft 8 passes through the hinged lug plate 35 and the hinged seat 7 respectively, so as to hinge the short beam 3 on the hinged seat 7. The short top plate 31 is provided with a tower crane fixed support leg pad 102, the tower crane fixed support leg 6 is connected on the tower crane fixed support leg pad 102 through a bolt 103, and the bolt 103 passes through the tower crane fixed support leg pad 102 and the short top plate 31 respectively. According to the size of the tower body cross section, appropriate hole positions are selected to fasten the tower crane fixed support leg 6 by bolts. The outer sides of the two short top plates 31 are respectively provided with a plurality of short reinforcing plates 331, the two ends of the short reinforcing plates 331 are connected with the short top plate 31 and the short bottom plate 32 respectively, the short reinforcing plates 331 are used for further strengthening the stability of the short beam 3, and the stability of the short beam 3 during work is ensured. The support rod connecting seat 10 is arranged on one end of the short side plate 33, and the support rod connecting seat 10 is used for being connected with the connecting support rod 4.

[0033] As shown in the drawings, Figure 6 As shown in the drawings, the base 1 comprises an upper bottom plate 11, a lower bottom plate 12 and a screw rod 13, the screw rod 13 is sequentially arranged through the upper bottom plate 11 and the lower bottom plate 12, four fixed plates 14 are arranged between the upper bottom plate 11 and the lower bottom plate 12, which are used for strengthening the stability of the base 1, the area of the lower bottom plate 12 is greater than that of the lower bottom plate 12, the upper end of the screw rod 13 is connected on the long bottom plate 22 of the long beam 2 and the short beam 3, and the screw rod 13 is tightly fixed on the long bottom plate 22 through a nut 15, a plurality of connecting holes 16 are arranged on the lower bottom plate 12, and external bolts pass through the connecting holes 16 on the lower bottom plate 12, so as to fix the base 1 on the ground. The base 1 and the long beam 2 and the short beam 3 are arranged with a detachable device through the nut 15 and the screw rod 13, the base 1 can be replaced by a walking wheel, and then a track is designed, that is, walking wheels are installed at the bottom ends of the long beam 2 and the two short beams 3, the walking wheels are driven by a motor to walk on the track, and the tower crane is allowed to walk on the designed track, thereby increasing the material transportation range.

[0034] As shown in the drawings, Figure 7As shown, the tower fixed leg 6 comprises a leg bottom plate 61 and a leg angle steel 62 connected at the middle of the leg bottom plate 61, and a leg muscle plate 63 connected around the leg angle steel 62, with the bottom end of the leg muscle plate 63 connected with the leg bottom plate 61, and a first fish tail plate 64 connected with the upper part of the inner side of the leg angle steel 62, and a second fish tail plate 65 connected with the upper part of the outer side of the leg angle steel 62, and a connecting hole provided on the first fish tail plate 64 and the second fish tail plate 65 for erecting the tower, and a plurality of bolt holes 66 provided on the leg bottom plate 61, and the tower fixed leg 6 is connected with the long beam 2 and the short beam 3 through the bolt 103 passing through the bolt hole 66.

[0035] As shown in the drawings, Figure 8 As shown, the connecting support rod 4 comprises two connecting horizontal rods 41 and two connecting vertical rods 42, the two ends of the two connecting vertical rods 42 are respectively connected with the two connecting horizontal rods 41, and the two connecting vertical rods 42 are arranged in parallel, a connecting inclined rod 43 is connected between the two connecting horizontal rods 41, the connecting inclined rod 43 is arranged for strengthening the strength of the connecting support rod 4 and ensuring the stability of the working of the connecting support rod 4, and the two ends of the two connecting horizontal rods 41 are respectively connected with a connecting lug plate 44, and the connecting lug plate 44 is connected with the support rod connecting seat 10 through the support rod pin shaft 101. When folding the short beam 3, the support rod pin shaft 101 of the support rod connecting seat 10 on the connecting short beam 3 and the connecting lug plate 44 on the connecting support rod 4 is taken out, so that the short beam 3 can be folded to the two sides of the long beam 2; when unfolding the short beam, the support rod connecting seat 10 on the short beam 3 and the connecting lug plate 44 on the connecting support rod 4 are fastened and connected through the support rod pin shaft 101, so that the unfolding of the quick-mounting cross beam is completed.

[0036] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A quick-mounting cross beam for a tower crane, characterized in that: The utility model relates to a tower crane fixed support leg structure, including base (1), long beam (2), two short beams (3), connecting support rod (4) and counterweight (5), two short beams (3) are connected respectively in the both sides of long beam (2) middle part, two short beams (3) and long beam (2) are cross structure, the both sides of long beam (2) are connected respectively with one side of two short beams (3) through connecting support rod (4), base (1) is set respectively in the bottom of long beam (2) and two short beams (3) one end, counterweight (5) is set in long beam (2) and short beam (3), long beam (2) and short beam (3) are set respectively with tower crane fixed support leg (6), and tower crane fixed support leg (6) is set in the inside of counterweight (5).

2. A tower crane quick-fit cross beam according to claim 1, characterized in that: The middle part of long beam (2) is provided with a hinge seat (7), and the two short beams (3) are respectively hinged at both ends of the hinge seat (7). The two short beams (3) are respectively hinged with the hinge seat (7) through a short beam pin shaft (8). The upper ends of the two short beam pin shafts (8) are connected through a pin shaft connecting plate (9), and the pin shaft connecting plate (9) is arranged on the upper surface of the long beam (2).

3. A tower crane quick-fit cross beam according to claim 2, characterized in that: The both sides of the long beam (2) and one side of the two short beams (3) are respectively provided with a support rod connecting seat (10). One end of the connecting support rod (4) is connected with the support rod connecting seat (10) of the long beam (2). The other end of the connecting support rod (4) is connected with the support rod connecting seat (10) of the short beam (3). The support rod connecting seat (10) is connected with the connecting support rod (4) through a support rod pin shaft (101).

4. A tower crane quick-fit cross beam according to claim 3, characterized in that: The long beam (2) comprises a long top plate (21), a long bottom plate (22), and two long side plates (23). The upper ends of the two long side plates (23) are respectively connected to the both sides of the bottom end of the long top plate (21). The lower ends of the two long side plates (23) are respectively connected to the both sides of the top end of the long bottom plate (22). The two long side plates (23) are oppositely arranged. The hinge seat (7) is arranged through the middle part of the two long side plates (23). The both ends of the two long side plates (23) are respectively connected through a long connecting plate (24).

5. A tower crane quick-fit cross beam according to claim 4, characterized in that: The both ends of the long top plate (21) are respectively provided with a tower crane fixed support leg pad plate (102). The tower crane fixed support leg (6) is connected to the tower crane fixed support leg pad plate (102) through a bolt (103). The bolt (103) is arranged through the tower crane fixed support leg pad plate (102) and the long top plate (21) respectively.

6. A tower crane quick-fit cross beam according to claim 4, characterized in that: The outer sides of the two long side plates (23) are respectively provided with a plurality of long reinforcing plates (231). The both ends of the long reinforcing plate (231) are respectively connected with the long top plate (21) and the long bottom plate (22). The support rod connecting seat (10) is arranged on one end of the long side plate (23).

7. A quick-fit cross beam of a tower crane according to claim 3, characterized in that: The short beam (3) comprises a short top plate (31), a short bottom plate (32), and two short side plates (33). The upper ends of the two short side plates (33) are respectively connected to the both sides of the bottom end of the short top plate (31). The lower ends of the two short top plates (31) are respectively connected to the both sides of the top end of the short bottom plate (32). The two short side plates (33) are oppositely arranged. The both ends of the two short top plates (31) are respectively connected through a short connecting plate (34).

8. A tower crane quick-fit cross beam according to claim 7, characterized in that: One end of the short top plate (31) and the short bottom plate (32) is respectively provided with a hinged lug plate (35), and an annular gasket (36) is arranged on the hinged lug plate (35); a tower crane fixed support leg pad plate (102) is arranged on the short top plate (31), and the tower crane fixed support leg (6) is connected to the tower crane fixed support leg pad plate (102) through a bolt (103), and the bolt (103) passes through the tower crane fixed support leg pad plate (102) and the short top plate (31) respectively.

9. A tower crane quick-fit cross beam according to claim 7, characterized in that: The outer side of each of the two short top plates (31) is provided with a plurality of short reinforcing plates (331), the two ends of each of the short reinforcing plates (331) are connected with the short top plate (31) and the short bottom plate (32), and the support rod connecting seat (10) is arranged on one end of the short side plate (33).

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