Crane double-vehicle combined system

Abstract

The invention provides a crane double-vehicle combined system which comprises a chassis, a slewing mechanism, a first slewing support, a connecting platform and at least two rotary tables, the slewing mechanism and the first slewing support are connected to the chassis, the slewing mechanism is meshed with the first slewing support, and the connecting platform is connected with the rotary tables. The connecting platform is installed on the first rotary support, the rotary tables are connected to the connecting platform, and the rotary mechanism can drive the connecting platform to do rotary motion. Therefore, the double-vehicle combined system of the crane is suitable for all cranes with rotary supporting structures, is convenient to disassemble and assemble, and improves the working efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of foundation construction, in particular to a crane double-car combination system. Background Art

[0002] The existing "two-in-one" double-joined crane has a turntable made into a front and rear section structure. When joining the crane, the rear sections of the turntables of the two cranes are combined into one turntable through a crossbeam, see the prior art CN 220811679 U. The other structures on the turntable remain unchanged. For example, after joining the crane, the counterweights are still hung on both sides and the middle of the turntable respectively. However, this structure has the following disadvantages: the turntable must be made into a front and rear section structure for assembly, the manufacturing cost is high, and the structure is complex, so it cannot be widely used. It can only be applied to cranes with front and rear section structure turntables, and cannot be adapted to all crane models. In addition, it is troublesome to disassemble and assemble, which reduces the working efficiency. Summary of the invention

[0003] In view of this, an object of the present invention is to provide a crane double-car combination system, which is suitable for all cranes with a slewing support structure, is easy to disassemble and assemble, and improves operating efficiency.

[0004] The present invention provides a crane double-car combination system, comprising a chassis, a slewing mechanism, a first slewing support, a connecting platform and at least two turntables, wherein the slewing mechanism and the first slewing support are respectively connected to the chassis, the slewing mechanism is meshed with the first slewing support, the connecting platform is installed on the first slewing support, each of the turntables is respectively connected to the connecting platform, and the slewing mechanism can drive the connecting platform to perform a slewing motion.

[0005] In one embodiment, the two turntables are respectively a first turntable and a second turntable, the first turntable and the second turntable are arranged in parallel, the connecting platform is provided with a second swivel support and a third swivel support arranged at intervals, the first turntable is installed on the second swivel support, and the second turntable is installed on the third swivel support.

[0006] In one embodiment, the crane double-car combination system also includes a connecting frame, which is arranged at one end of the first turntable and the second turntable away from the connecting platform, one end of the connecting frame is connected to the first turntable, and the other end of the connecting frame is connected to the second turntable.

[0007] In one embodiment, the connecting frame includes a connecting member, a first fixing plate, a second fixing plate, a third fixing plate and a fourth fixing plate, the first fixing plate and the second fixing plate are respectively fixedly connected to one end of the connecting member, the first fixing plate and the second fixing plate are arranged opposite to each other, the third fixing plate and the fourth fixing plate are respectively fixedly connected to the other end of the connecting member, the third fixing plate and the fourth fixing plate are arranged opposite to each other, the first fixing plate and the second fixing plate are connected to the first counterweight ear plate of the first turntable, and the third fixing plate and the fourth fixing plate are connected to the second counterweight ear plate of the second turntable.

[0008] In one embodiment, the crane double-car combination system further includes a first counterweight and a second counterweight, wherein the first counterweight is connected to a side of the first turntable away from the second turntable, and the second counterweight is connected to a side of the second turntable away from the first turntable.

[0009] In one embodiment, the second slewing support includes a first part and a second part sequentially arranged from top to bottom along the axial direction, the first part is connected to the first turntable, the second part is connected to the connecting platform, and the first part and the second part are connected by a first pin shaft; the third slewing support includes a third part and a fourth part sequentially arranged from top to bottom along the axial direction, the third part is connected to the second turntable, the fourth part is connected to the connecting platform, and the third part and the fourth part are connected by a second pin shaft.

[0010] In one embodiment, the first slewing support includes an inner ring and an outer ring, the inner ring is fixedly connected to the chassis, the outer ring is meshed with the gear of the slewing mechanism, the outer ring includes a first section and a second section arranged in sequence from top to bottom along the axial direction, the first section is connected to the connecting platform, and the second section is installed on the inner ring, when the gear of the slewing mechanism rotates, the inner ring is fixed and the outer ring drives the connecting platform to rotate.

[0011] In one embodiment, the first section and the second section are connected via a third pin shaft, so that the connecting platform can be installed on or removed from the chassis.

[0012] In one embodiment, the first slewing support is further provided with a first bearing, and the first bearing is arranged between the inner ring and the outer ring.

[0013] In one embodiment, the chassis includes a vehicle frame, a first crawler frame and a second crawler frame, the first crawler frame and the second crawler frame are respectively connected to two ends of the vehicle frame, and the slewing mechanism and the first slewing support are respectively connected to the vehicle frame.

[0014] The crane double-car combination system of the present invention keeps the original chassis unchanged, is connected to the connecting platform through the first slewing support, and the connecting platform is connected to at least two turntables. Two or more turntables can be installed on one chassis through the connecting platform, so that one chassis can be combined with at least two turntables. The first slewing support is driven by the slewing mechanism to drive the connecting platform to rotate. This structure is suitable for all cranes with a slewing support structure. It does not need to modify the structure of a single car to achieve the combination of at least two cranes. It has a simple structure and is convenient and quick to disassemble and assemble. It can quickly switch between a single car and a combination car, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a structural diagram of a bicycle crane.

[0017] Figure 2 It is a structural schematic diagram of the crane double-car combination system of the present invention.

[0018] Figure 3 It is a structural schematic diagram of the connection platform of the present invention.

[0019] Figure 4 It is a front view structural schematic diagram of the connection platform of the present invention.

[0020] Figure 5 It is a schematic diagram of the structure of the connection platform of the present invention when viewed from above.

[0021] Figure 6 It is a schematic structural diagram of the second slewing support of the present invention.

[0022] Figure 7 It is a partial cross-sectional structural schematic diagram of the second slewing support of the present invention when it is connected to the connecting platform and the first turntable.

[0023] Figure 8 It is a structural schematic diagram of the connecting frame of the present invention.

[0024] Fig. 9 yes Figure 8 Schematic diagram of the side view of the middle connecting frame.

[0025] Fig.10 It is a structural schematic diagram of the first slewing support of the present invention.

[0026] Fig.11 It is a partial cross-sectional structural schematic diagram of the first slewing support of the present invention when it is connected to the vehicle frame and the connecting platform.

[0027] Description of the accompanying drawings: first mounting hole 101; second mounting hole 102; third mounting hole 103; chassis 11; frame 111; first track frame 112; second track frame 113; slewing mechanism 12; first slewing support 13; inner ring 131; outer ring 132; first section 1321; second section 1322; first connecting section 13221; second connecting section 13222; third pin 1323; screw 1325; first bearing 133; connecting platform 14; upper surface -141; lower surface-142; first turntable-151; first counterweight ear plate-1511; second turntable-152; second counterweight ear plate-1521; second slewing support-16; first part-161; second part-162; first pin shaft-163; third slewing support-17; fourth part-172; connecting frame-18; connecting piece-184; first fixing plate-185; second fixing plate-186; third fixing plate-187; fourth fixing plate-188; first counterweight-191; second counterweight-192.

[0028] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0029] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the description of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] The directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “front”, “back”, “top”, “bottom”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the inventive product is usually placed when used. They are only for the convenience of description and simplified description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0032] The terms "first", "second", "third", etc. are merely used to distinguish elements of similar nature, and do not indicate or imply relative importance or a particular order.

[0033] The terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of the elements listed and may also include additional elements not expressly listed.

[0034] like Figures 2 to 11 As shown, the crane double-car combination system includes a chassis 11, a slewing mechanism 12, a first slewing support 13, a connecting platform 14 and at least two turntables. The slewing mechanism 12 and the first slewing support 13 are respectively connected to the chassis 11, the slewing mechanism 12 is meshed with the first slewing support 13, the connecting platform 14 is installed on the first slewing support 13, each turntable is respectively connected to the connecting platform 14, and the slewing mechanism 12 can drive the connecting platform 14 to perform a slewing motion. The chassis 11 includes a vehicle frame 111, a first crawler frame 112 and a second crawler frame 113, the first crawler frame 112 and the second crawler frame 113 are respectively connected to the two ends of the vehicle frame 111, and the slewing mechanism 12 and the first slewing support 13 are respectively connected to the vehicle frame 111.

[0035] The crane double-car combination system of the present invention keeps the original chassis 11 unchanged, is connected to the connecting platform 14 through the first slewing support 13, and the connecting platform 14 is connected to at least two turntables. That is, two or more turntables can be installed on one chassis 11 through the connecting platform 14, so that one chassis 11 can be combined with at least two turntables. The first slewing support 13 is driven by the slewing mechanism 12 to drive the connecting platform 14 to rotate. This structure is suitable for all crawler cranes with a slewing support structure. It does not need to modify the structure of a single car to achieve the combination of at least two cranes. It has a simple structure and is convenient and quick to disassemble and assemble. It can quickly switch between a single car and a combination car, thereby improving work efficiency.

[0036] like Figure 2As shown, the two turntables are respectively the first turntable 151 and the second turntable 152, the first turntable 151 and the second turntable 152 are arranged in parallel, the connecting platform 14 is provided with a second slewing support 16 and a third slewing support 17 which are arranged at intervals, the first turntable 151 is installed on the second slewing support 16, and the second turntable 152 is installed on the third slewing support 17. Since the second slewing support 16 and the third slewing support 17 do not have inner and outer rings 132 and bearings, the second slewing support 16 and the third slewing support 17 cannot perform rotational motion.

[0037] like Figure 7 As shown, the second slewing support 16 includes a first part 161 and a second part 162 which are sequentially arranged from top to bottom along the axial direction. The first part 161 is connected to the first turntable 151 and fixedly connected by bolts. The second part 162 is connected to the connecting platform 14 and fixedly connected by bolts. The first part 161 and the second part 162 are connected by a first pin shaft 163. The first pin shaft 163 can be used to install the first turntable 151 on the connecting platform 14 or remove the first turntable 151 from the connecting platform 14. The three-swivel support 17 includes a third part and a fourth part 172 which are arranged in sequence from top to bottom along the axial direction. The third part is connected to the second turntable 152 and is fixedly connected by bolts. The fourth part 172 is connected to the connecting platform 14. The third part and the fourth part 172 are connected by a second pin shaft and are fixedly connected by bolts. The third part and the fourth part 172 are connected by a second pin shaft, and the second turntable 152 can be installed on the connecting platform 14 or removed from the connecting platform 14 through the second pin shaft.

[0038] like Figure 2 and Figure 8 As shown, the crane double-car combination system also includes a connecting frame 18, which is arranged at one end of the first turntable 151 and the second turntable 152 away from the connecting platform 14, one end of the connecting frame 18 is connected to the first turntable 151, and the other end of the connecting frame 18 is connected to the second turntable 152.

[0039] like Figure 8 and Fig. 9As shown, the connecting frame 18 includes a connecting member 184, a first fixing plate 185, a second fixing plate 186, a third fixing plate 187 and a fourth fixing plate 188, the first fixing plate 185 and the second fixing plate 186 are respectively fixedly connected to one end of the connecting member 184, the first fixing plate 185 and the second fixing plate 186 are arranged opposite to each other, the third fixing plate 187 and the fourth fixing plate 188 are respectively fixedly connected to the other end of the connecting member 184, the third fixing plate 187 and the fourth fixing plate 188 are arranged opposite to each other, the first fixing plate 185 and the second fixing plate 186 are connected to the first counterweight ear plate 1511 of the first turntable 151, and the third fixing plate 187 and the fourth fixing plate 188 are connected to the second counterweight ear plate 1521 of the second turntable 152. In this embodiment, the connecting member 184 is a rectangular hollow structure, and the first fixing plate 185, the second fixing plate 186, the third fixing plate 187 and the fourth fixing plate 188 are respectively welded to the connecting member 184, or are integrally formed with the connecting member 184; the first fixing plate 185, the second fixing plate 186, the third fixing plate 187 and the fourth fixing plate 188 are respectively plate-like structures and are provided with screw holes. The first fixing plate 185 and the second fixing plate 186 are connected to the first counterweight ear plate 1511 by bolts or pins, and the third fixing plate 187 and the fourth fixing plate 188 are connected to the second counterweight ear plate 1521 by bolts or pins; two connecting frames 18 are provided, and the two connecting frames 18 are arranged at intervals along the length direction of the first turntable 151 or the second turntable 152.

[0040] like Figure 2 As shown, the crane double-car combination system also includes a first counterweight 191 and a second counterweight 192 . The first counterweight 191 is connected to a side of the first turntable 151 away from the second turntable 152 , and the second counterweight 192 is connected to a side of the second turntable 152 away from the first turntable 151 .

[0041] like Fig.10 and Fig.11As shown, the first slewing support 13 includes an inner ring 131 and an outer ring 132. The inner ring 131 is fixedly connected to the chassis 11, that is, the inner ring 131 is fixedly connected to the frame 111, and the outer ring 132 is meshed with the gear of the slewing mechanism 12. The outer ring 132 includes a first section 1321 and a second section 1322 arranged in sequence from top to bottom along the axial direction. The first section 1321 is connected to the connecting platform 14 and is fixedly connected by bolts. The second section 1322 is installed on the inner ring 131. The first section 1321 and the second section 1322 are meshed with each other. The two sections 1322 are connected by a third pin shaft 1323, so that the connection platform 14 can be installed on the frame 111 of the chassis 11 or removed from the frame 111 of the chassis 11; specifically, the second section 1322 includes a first connection section 13221 and a second connection section 13222, which are sequentially arranged along the axis direction of the outer ring 131, and the first connection section 13221 and the second connection section 13222 are fixedly connected by a plurality of screws 1325. The first slewing support 13 is also provided with a first bearing 133, which is arranged between the inner ring 131 and the outer ring 132. Therefore, when the gear of the slewing mechanism 12 rotates, the inner ring 131 is fixed and the outer ring 132 drives the connection platform 14 to rotate; it can be understood that when the crane is in a single-vehicle state, the first section 1321 of the outer ring 132 is fixedly connected to the turntable, see Figure 1 .

[0042] like Figures 3 to 5 As shown, the connecting platform 14 is a box-type hollow structure, the connecting platform 14 is made of rigid material, the connecting platform 14 includes an upper surface 141 and a lower surface 142 arranged opposite to each other, the connecting platform 14 is provided with a first mounting hole 101, the first mounting hole 101 is arranged through the lower surface 142, the first mounting hole 101 is a threaded hole, and the first section 1321 of the inner ring 131 of the first slewing support 13 is installed in the first mounting hole 101; the connecting platform 14 is provided with a second mounting hole 102 and a third mounting hole 103, the second mounting hole 102 and the third mounting hole 103 are respectively arranged through the upper surface 141, the second mounting hole 102 and the third mounting hole 103 are arranged in parallel, the second part 162 of the second slewing support 16 is installed in the second mounting hole 102, and the fourth part 172 of the third slewing support 17 is installed in the third mounting hole 103.

[0043] An operating method for the above-mentioned crane double-car combination system, the operating method comprising: The turntables of at least two single-vehicle cranes are disassembled from the original slewing supports to form a first turntable 151 and a second turntable 152 .

[0044] The connecting platform 14 is mounted on the first slewing support 13 , that is, the first section 1321 of the outer ring 132 of the connecting platform 14 is connected to the second section 1322 of the outer ring 132 on the frame 111 via the third pin 1323 .

[0045] The first turntable 151 and the second turntable 152 are respectively installed on the second rotary support 16 and the third rotary support 17; specifically, the first part 161 of the second rotary support 16 on the first turntable 151 is connected to the second part 162 of the second rotary support 16 on the connecting platform 14 through the first pin shaft 163, and the third part of the third rotary support 17 on the second turntable 152 is connected to the fourth part 172 of the third rotary support 17 on the connecting platform 14 through the second pin shaft.

[0046] The first turntable 151 and the second turntable 152 are connected through the connecting frame 18; specifically, the first fixed plate 185 and the second fixed plate 186 of the connecting frame 18 are respectively connected to the first counterweight ear plate 1511 of the first turntable 151 through the fourth pin shaft, and the third fixed plate 187 and the fourth fixed plate 188 of the connecting frame 18 are respectively connected to the second counterweight ear plate 1521 of the second turntable 152 through the fifth pin shaft.

[0047] The first counterweight 191 is installed on the side of the first turntable 151, and the second counterweight 192 is installed on the side of the second turntable 152; specifically, the first counterweight 191 is installed on the side of the first turntable 151 away from the second turntable 152 by bolts, and the second counterweight 192 is installed on the side of the second turntable 152 away from the first turntable 151 by bolts.

[0048] The first slewing support 13 can be driven by the slewing mechanism 12 to drive the connecting platform 14 and the first rotating table 151 and the second rotating table 152 fixedly connected to the connecting platform 14 to rotate.

[0049] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A crane double-car combination system, characterized in that: The invention comprises a chassis (11), a slewing mechanism (12), a first slewing support (13), a connecting platform (14) and at least two turntables, wherein the slewing mechanism (12) and the first slewing support (13) are respectively connected to the chassis (11), the slewing mechanism (12) is meshed with the first slewing support (13), the connecting platform (14) is mounted on the first slewing support (13), each of the turntables is respectively connected to the connecting platform (14), and the slewing mechanism (12) can drive the connecting platform (14) to perform a slewing motion.

2. The crane double-car combination system according to claim 1, characterized in that: The two turntables are respectively a first turntable (151) and a second turntable (152); the first turntable (151) and the second turntable (152) are arranged in parallel; the connecting platform (14) is provided with a second slewing support (16) and a third slewing support (17) which are arranged at intervals; the first turntable (151) is mounted on the second slewing support (16), and the second turntable (152) is mounted on the third slewing support (17).

3. The crane double-car combination system according to claim 2, characterized in that: The crane double-car combination system further comprises a connecting frame (18), wherein the connecting frame (18) is arranged at one end of the first turntable (151) and the second turntable (152) away from the connecting platform (14), one end of the connecting frame (18) is connected to the first turntable (151), and the other end of the connecting frame (18) is connected to the second turntable (152).

4. The crane double-car combination system according to claim 3, characterized in that: The connecting frame (18) comprises a connecting member (184), a first fixing plate (185), a second fixing plate (186), a third fixing plate (187) and a fourth fixing plate (188); the first fixing plate (185) and the second fixing plate (186) are respectively fixedly connected to one end of the connecting member (184); the first fixing plate (185) and the second fixing plate (186) are arranged opposite to each other; the third fixing plate (187) and the fourth fixing plate (188) are respectively fixedly connected to the other end of the connecting member (184); the third fixing plate (187) and the fourth fixing plate (188) are arranged opposite to each other; the first fixing plate (185) and the second fixing plate (186) are connected to a first counterweight ear plate of the first turntable; the third fixing plate (187) and the fourth fixing plate (188) are connected to a second counterweight ear plate of the second turntable.

5. The crane double-car combination system according to claim 2, characterized in that: The crane double-car combination system further comprises a first counterweight (191) and a second counterweight (192), wherein the first counterweight (191) is connected to a side of the first turntable (151) away from the second turntable (152), and the second counterweight (192) is connected to a side of the second turntable (152) away from the first turntable (151).

6. The crane double-car combination system according to claim 2, characterized in that: The second slewing support (16) comprises a first part (161) and a second part (162) which are arranged in sequence from top to bottom along the axial direction, the first part (161) is connected to the first turntable (151), the second part (162) is connected to the connecting platform (14), and the first part (161) and the second part (162) are connected via a first pin shaft (163); the third slewing support (17) comprises a third part and a fourth part (172) which are arranged in sequence from top to bottom along the axial direction, the third part is connected to the second turntable (152), the fourth part (172) is connected to the connecting platform (14), and the third part and the fourth part (172) are connected via a second pin shaft.

7. The crane double-car combination system according to claim 1, characterized in that: The first slewing support (13) comprises an inner ring (131) and an outer ring (132); the inner ring (131) is fixedly connected to the chassis (11); the outer ring (132) is meshed with a gear of the slewing mechanism (12); the outer ring (132) comprises a first section (1321) and a second section (1322) which are arranged in sequence from top to bottom along an axial direction; the first section (1321) is connected to the connecting platform (14); the second section (1322) is mounted on the inner ring (131); when the gear of the slewing mechanism (12) rotates, the inner ring (131) remains stationary, and the outer ring (132) drives the connecting platform (14) to rotate.

8. The crane double-car combination system according to claim 7, characterized in that: The first section (1321) and the second section (1322) are connected via a third pin shaft (1323), so that the connection platform (14) can be installed on the chassis (11) or removed from the chassis (11).

9. The crane double-car combination system according to claim 7, characterized in that: The first slewing support (13) is further provided with a first bearing (133), and the first bearing (133) is arranged between the inner ring (131) and the outer ring (132).

10. The crane double-car combination system according to claim 1, characterized in that: The chassis (11) comprises a vehicle frame (111), a first crawler frame (112) and a second crawler frame (113); the first crawler frame (112) and the second crawler frame (113) are respectively connected to two ends of the vehicle frame (111); and the slewing mechanism (12) and the first slewing support (13) are respectively connected to the vehicle frame (111).

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