A modular lifting device that can be quickly assembled

Abstract

This invention relates to the field of crane technology, and more particularly to a modular lifting device that can be quickly assembled. The technical solution includes: a modular connection mechanism comprising a modular plate, a modular insert for connecting a boom fixedly mounted on the side of the modular plate, a positioning block slidably connected inside the modular insert, a return spring elastically connected between the side of the positioning block and the modular insert, a clamping wedge slidably connected inside the boom, a pre-tightening clamping block fixedly mounted on the side of the clamping wedge to prevent the positioning block from sliding, and a gravity guide block that compresses the clamping wedge slidably connected inside the boom. This invention utilizes the different tilt directions of the boom in operation and replacement states to cause the gravity guide block to move in different directions under gravity. During boom use, it is locked; during disassembly and replacement, it is unlocked under gravity, improving replacement efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cranes, in particular to a modularized hoisting equipment capable of being quickly assembled. BACKGROUND

[0002] A crane is a machine for vertically lifting and horizontally carrying heavy objects, widely used in construction, port and manufacturing industry, including a boom, providing support and carrying capacity, mostly made of steel, requiring high strength and rigidity, driven by an electric motor or hydraulic system, converting electric energy or hydraulic energy into mechanical energy through the support of metal structure, realizing the lifting, lowering, moving and rotating of heavy objects, and completing the loading and carrying of materials.

[0003] In the patent document with publication number CN109292649B, a modularized automatic crane capable of being quickly assembled is proposed, which comprises a first lifting arm and a second lifting arm, a clamping groove is arranged on the first lifting arm, a same moving plate is slidably connected to the top inner wall and the bottom inner wall of the clamping groove, a triangular plate is welded to one side of the moving plate, two sliding plates are symmetrically slidably connected to the inner wall of one side of the clamping groove, one side of each of the two sliding plates is in contact with two side edges of the triangular plate, and a first through hole is arranged on each of the two sliding plates. The present application has the advantages of simple structure, pushing the clamping column to make the clamping rod clamped into the clamping hole, rotating the handle to drive the moving plate to extrude the clamping column and make the clamping column tightly clamped in the clamping groove, making it possible to modularize the lifting arm, thereby realizing the quick disassembly and assembly of the lifting arm, conveniently extending the length of the lifting arm, expanding the working radius and rotating coverage range of the crane body, and being convenient to use.

[0004] The clamping rod is clamped into the clamping hole, the handle is rotated to drive the moving plate to extrude the clamping column and make the clamping column tightly clamped in the clamping groove, which is tedious to operate and needs to be adjusted one by one, reducing the replacement efficiency. SUMMARY

[0005] The present application aims to solve the problem of the need to adjust the position one by one and reduce the replacement efficiency in the background art, and proposes a modularized hoisting equipment capable of being quickly assembled.

[0006] The technical scheme of the present application is a modularized hoisting equipment capable of being quickly assembled, comprising a crane frame, a lifting arm rotatably connected to the top of the crane frame, characterized in that it further comprises:

[0007] The utility model provides a module connecting mechanism, including module board, the side of module board is fixedly installed with the module plug for inserting the boom, the inside of module plug is connected with the locating block of sliding, the side between locating block and module plug is connected with reset spring elastically, the inside of boom is connected with the clamping wedge of sliding, the side of clamping wedge is fixedly installed with the pre -tightening clamping block of hindering locating block sliding, the inside of boom is connected with the gravity guide block of extruding clamping wedge, the module board is rotatably connected at the top of crane frame, and the auxiliary load bearing mechanism is arranged between clamping wedge and pre -tightening clamping block.

[0008] The module board is rotatably connected at the top of the crane frame, and the auxiliary load bearing mechanism is arranged between the clamping wedge and the pre-tightening clamping block.

[0009] Optionally, the locating block has a wedge-shaped structure, the boom has a clamping groove in the inside for accommodating the locating block, the pre-tightening clamping block has an L-shaped structure, the pre-tightening clamping block is inserted between the locating block and the module plug, the end of the pre-tightening clamping block has an inclined block structure, the side of the locating block away from the boom has a chamfer structure, and the inclined surface of the pre-tightening clamping block and the chamfered inclined surface of the locating block have the same inclination angle.

[0010] Optionally, the side of the clamping wedge is provided with a sliding groove, the side of the gravity guide block facing the clamping wedge is fixedly provided with an embedded wheel, and the embedded wheel extends into the sliding groove of the clamping wedge.

[0011] Optionally, the two sides of each module plug are symmetrically provided with pre-tightening clamping blocks, the pre-tightening clamping blocks are slidably connected with the module plug, and the two pre-tightening clamping blocks clamp the locating block.

[0012] Optionally, the auxiliary support mechanism further includes a tension cable, the two ends of the tension cable are fixedly connected with the boom and the module board respectively, the top end of the boom is fixedly provided with a connecting rope sliding in the module board, the inside of the module board is rotatably provided with a winding shaft winding the connecting rope, the inside of the boom is fixedly provided with an extension sleeve, the winding shaft and the extension sleeve are connected through a transmission member, and the tension cable, the boom and the module board form a triangular structure.

[0013] Optionally, the transmission member includes a toothed disc, the winding shaft is coaxially connected with the toothed disc, the bottom of the toothed disc is meshingly connected with a gear, the bottom of the gear is meshingly connected with a toothed plate, the end of the toothed plate is fixedly provided with a first manual hydraulic pump, the end of the first manual hydraulic pump is communicated with a first hydraulic telescopic rod through a hydraulic pipe, and the extension sleeve is located on the extension line of the end of the first hydraulic telescopic rod.

[0014] Optionally, the diameter of the gear is smaller than the diameter of the winding shaft, the diameter of the winding shaft is smaller than the diameter of the toothed disc, the end of the extension sleeve is fixedly provided with an I-shaped steel structure, the two sides of the extension sleeve abut against the inner wall of the boom, and the connecting rope between the boom and the module board is parallel to the tension cable.

[0015] Optionally, the auxiliary load-bearing mechanism comprises a first pull rope, an end of the first pull rope is fixedly connected with a middle part of the tension cable, a second manual hydraulic pump is fixedly installed on the outer wall of the boom, an end of the second manual hydraulic pump is fixedly installed with a second pull rope, the first pull rope and the second pull rope are mutually hooked, an end of the second manual hydraulic pump is communicated with a second hydraulic telescopic rod through a hydraulic pipe, and the second hydraulic telescopic rod is fixedly installed between the clamping wedge and the pre-tightening clamp block.

[0016] Optionally, a protective shell is fixedly installed on the outer wall of the boom, a plurality of guide wheels are rotatably connected in the protective shell, and the second pull rope rolls along the guide wheels.

[0017] Optionally, a limiting counterweight is arranged on the top of the crane frame, support rods are installed on the side of the module plate and supported on the crane frame, and a track is rotatably connected to the bottom of the crane frame.

[0018] Compared with the prior art, the present application has the following beneficial technical effects:

[0019] 1. In the use process of the boom, the end connected with the module plate is lower in height than the other end, the gravity guide block extrudes the clamping wedge under the action of gravity, so that the pre-tightening clamp block clamps and limits the position of the positioning clamp block, and is locked; when disassembling and replacing, the end connected with the module plate is higher in height than the other end, the gravity guide block slides away from the clamping wedge, the pre-tightening clamp block releases the limitation on the positioning clamp block, the inclination directions in the two states of operation and replacement are different, the moving direction of the gravity guide block under the action of gravity is different, the two states of operation and replacement are distinguished, and the replacement efficiency is improved.

[0020] 2. After the boom is bent, the connecting rope is displaced, the connecting rope extrudes the toothed plate through the winding shaft and the transmission member to extrude the first manual hydraulic pump, the first hydraulic telescopic rod is inserted into the telescopic sleeve and extended, the telescopic sleeve and the I-beam are used to temporarily support the boom in an emergency, so as to avoid further bending of the boom and danger, so that the telescopic sleeve and the I-beam move to the middle part of the boom, the distance between the module plate and the I-beam is increased, that is, the support positions of the two support points are extended, and the support effect is improved.

[0021] 3. The first pull rope shares the tension of the tension cable, the second pull rope transmits the tension to the second manual hydraulic pump, the hydraulic oil in the second manual hydraulic pump enters the second hydraulic telescopic rod, so as to increase the clamping force of the pre-tightening clamp block on the positioning clamp block, improve the pre-tightening force, the greater the load of the boom, the greater the tension of the tension cable and the first pull rope, so as to increase the pre-tightening force and improve the load-bearing capacity of the modular structure. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 Give the overall structure of the present application schematic diagram;

[0023] Figure 2 Give the present application boom structure separation state schematic diagram;

[0024] Figure 3 Give the present application module board structure front view schematic diagram;

[0025] Figure 4 For Figure 3 A portion of the schematic diagram of the present application;

[0026] Figure 5 Give the present application pre-tightening block structure schematic diagram;

[0027] Figure 6 Give the present application boom structure right view schematic diagram;

[0028] Figure 7 Give the present application gravity guide block structure schematic diagram;

[0029] Figure 8 Give the present application boom structure schematic diagram.

[0030] Figure 9 Give the first manual hydraulic pump of the present application; Structure schematic diagram.

[0031] Figure legend: 1, crane frame; 2, limit weight; 3, module connection mechanism; 31, module board; 32, module plug-in; 33, positioning block; 34, clamping wedge; 35, gravity guide block; 36, pre-tightening block; 37, embedded wheel; 4, support rod; 5, boom; 6, auxiliary support mechanism; 61, tension cable; 62, connecting rope; 63, winding shaft; 64, toothed disc; 65, gear; 66, toothed plate; 67, first manual hydraulic pump; 68, first hydraulic telescopic rod; 69, telescopic sleeve; 7, auxiliary load bearing mechanism; 71, first pull rope; 72, second pull rope; 73, guide wheel; 74, second manual hydraulic pump; 75, second hydraulic telescopic rod. DETAILED DESCRIPTION

[0032] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments.

[0033] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0034] All other embodiments obtained by a person of ordinary skill in the art without creative labor based on the embodiments of the present application shall fall within the scope of protection of the present application.

[0035] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0036] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For a person of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] Embodiment 1

[0038] The present embodiment proposes a modular hoisting equipment which can be quickly assembled, as shown in Figure 1 and Figure 2 , comprising a crane frame 1, a hoist arm 5 rotatably connected to the top of the crane frame 1, a module connecting mechanism 3 provided at the top of the crane frame 1, the module connecting mechanism 3 comprising a module plate 31, a counterweight 2 placed at the top of the crane frame 1, a support rod 4 installed at the side of the module plate 31 and supported on the crane frame 1, and a crawler belt rotatably connected to the bottom of the crane frame 1.

[0039] As shown in Figure 2 and Figure 3 , the side of the module plate 31 is fixedly provided with a module plug-in 32 for plugging the hoist arm 5, the inside of the module plug-in 32 is slidably connected with a positioning clamping block 33, the side of the positioning clamping block 33 and the module plug-in 32 are elastically connected with a return spring, and the positioning clamping block 33 adopts a wedge-shaped structure. When the hoist arm 5 is installed, a clamping groove accommodating the positioning clamping block 33 is formed in the inside of the hoist arm 5, and the positioning clamping block 33 is clamped into the clamping groove to fix the position of the hoist arm 5.

[0040] As shown in Figure 5 and Figure 6As shown, the inner part of the cantilever 5 is slidably connected with a clamping wedge 34, the side part of the clamping wedge 34 is fixedly installed with a pre-tightening clamp 36 which hinders the sliding of the positioning clamping block 33, the inner part of the cantilever 5 is slidably connected with a gravity guiding block 35 which extrudes the clamping wedge 34, the pre-tightening clamp 36 adopts an L-shaped structure, the pre-tightening clamp 36 is inserted between the positioning clamping block 33 and the module plug-in 32, the end part of the pre-tightening clamp 36 adopts an inclined block structure, the side part of the positioning clamping block 33 away from the cantilever 5 adopts a chamfer structure, the inclined surface of the pre-tightening clamp 36 and the chamfer inclined surface of the positioning clamping block 33 have the same inclination angle

[0041] Under the action of gravity, the gravity guiding block 35 extrudes the clamping wedge 34, the clamping wedge 34 and the pre-tightening clamp 36 slide towards the positioning clamping block 33, the positioning clamping block 33 is extruded out of the module plug-in 32 by the pre-tightening clamp 36 extruding the positioning clamping block 33, so that the positioning clamping block 33 is clamped with the cantilever 5, and the position of the positioning clamping block 33 is clamped and limited, avoiding the positioning clamping block 33 to retreat to the inside of the module plug-in 32.

[0042] As shown in Figure 7 The side part of the clamping wedge 34 is provided with a sliding groove, the side part of the gravity guiding block 35 away from the clamping wedge 34 is fixedly installed with an embedded wheel 37, the embedded wheel 37 extends into the sliding groove of the clamping wedge 34, the clamping wedge 34 is extruded by the embedded wheel 37 of the gravity guiding block 35, and when the gravity guiding block 35 slides away from the clamping wedge 34, the clamping wedge 34 is reset by the embedded wheel 37 of the gravity guiding block 35.

[0043] When the cantilever 5 is used, the end of the cantilever 5 connected with the module plate 31 is lower in height than the other end, at this time the height of the gravity guiding block 35 is higher than the height of the clamping wedge 34, under the action of gravity, the clamping wedge 34 is extruded by the gravity guiding block 35, so that the position of the positioning clamping block 33 is clamped and limited by the pre-tightening clamp 36.

[0044] When disassembling and replacing, the cantilever 5 needs to be laid down when replacing the cantilever 5, at this time the end of the cantilever 5 connected with the module plate 31 is higher in height than the other end, the gravity guiding block 35 slides away from the clamping wedge 34, the clamping wedge 34 is reset by the embedded wheel 37 of the gravity guiding block 35, at this time the pre-tightening clamp 36 releases the limitation of the positioning clamping block 33.

[0045] In this embodiment, the height of the end of the jib 5 connected with the module plate 31 is lower than the other end during use, the gravity guide block 35 extrudes the clamping wedge 34 under the action of gravity, so that the pre-tightening clamp 36 clamps and limits the position of the positioning clamp block 33; when disassembling and replacing, the height of the end of the jib 5 connected with the module plate 31 is higher than the other end, the gravity guide block 35 slides away from the clamping wedge 34, the pre-tightening clamp 36 releases the limitation on the positioning clamp block 33, the inclination directions in the two states of running and replacing are different, so that the moving direction of the gravity guide block 35 under the action of gravity is different, so as to distinguish the two states of running and replacing, and improve the replacement efficiency.

[0046] Embodiment 2

[0047] Based on the basis of embodiment 1, this embodiment proposes a modularized hoisting equipment which can be quickly assembled, as shown in Figure 3 and Figure 9 The end of the jib 5 and the module plate 31 are provided with an auxiliary supporting mechanism 6, the auxiliary supporting mechanism 6 includes a tension cable 61, both ends of the tension cable 61 are fixedly connected with the jib 5 and the module plate 31 respectively, the top end of the jib 5 is fixedly installed with a connecting rope 62 which slides in the module plate 31, the inside of the module plate 31 is rotatably connected with a winding shaft 63 which winds the connecting rope 62, the inside of the jib 5 is fixedly installed with an extension sleeve 69, the winding shaft 63 and the extension sleeve 69 are connected through a transmission member, the tension cable 61, the jib 5 and the module plate 31 form a triangular structure

[0048] The tension cable 61 increases the bearing capacity of the jib 5, the tension cable 61 is stressed, and the connecting rope 62 slides with the module plate 31, the angle between the module plate 31 and the jib 5 is fixed during normal operation, the connecting rope 62 will displace after the jib 5 is bent, the displacement of the connecting rope 62 makes the winding shaft 63 rotate, and the connecting rope 62 between the jib 5 and the module plate 31 is parallel to the tension cable 61.

[0049] As shown in Figure 9 The transmission member includes a toothed disc 64, the winding shaft 63 is coaxially connected with the toothed disc 64, the bottom of the toothed disc 64 is meshingly connected with a gear 65, the bottom of the gear 65 is meshingly connected with a toothed plate 66, the diameter of the gear 65 is smaller than the diameter of the winding shaft 63, and the diameter of the winding shaft 63 is smaller than the diameter of the toothed disc 64, so that the displacement distance of the toothed plate 66 is correspondingly increased when the connecting rope 62 is displaced in small sections by using the diameter ratio.

[0050] The end of the toothed plate 66 is fixedly installed with a first manual hydraulic pump 67, the end of the first manual hydraulic pump 67 is communicated with a first hydraulic telescopic rod 68 through a hydraulic pipe, and the extension sleeve 69 is located on the extension line of the end of the first hydraulic telescopic rod 68.

[0051] After the bending of the arm 5, the continuous rope 62 is displaced, the continuous rope 62 drives the toothed plate 66 to press the first manual hydraulic pump 67 by the winding shaft 63 and the transmission member, the first hydraulic telescopic rod 68 is inserted into the telescopic sleeve 69 and extended, the telescopic sleeve 69 and the I-beam temporarily support the arm 5 in emergency, avoid the arm 5 to be further bent and dangerous, so that the telescopic sleeve 69 and the I-beam move to the middle of the arm 5, increase the distance between the module plate 31 and the I-beam, that is, the support position of the two support points is extended, and the support effect is improved.

[0052] The end of the telescopic sleeve 69 is fixedly installed with an I-beam structure, the two sides of the telescopic sleeve 69 abut against the inner wall of the arm 5, and the first hydraulic telescopic rod 68 is extended to slide the telescopic sleeve 69 to the middle of the arm 5.

[0053] In the embodiment, after the bending of the arm 5, the continuous rope 62 is displaced, the continuous rope 62 drives the toothed plate 66 to press the first manual hydraulic pump 67 by the winding shaft 63 and the transmission member, the first hydraulic telescopic rod 68 is inserted into the telescopic sleeve 69 and extended, the telescopic sleeve 69 and the I-beam temporarily support the arm 5 in emergency, avoid the arm 5 to be further bent and dangerous, so that the telescopic sleeve 69 and the I-beam move to the middle of the arm 5, increase the distance between the module plate 31 and the I-beam, that is, the support position of the two support points is extended, and the support effect is improved.

[0054] Embodiment 3

[0055] Based on the above-mentioned embodiments 1 or 2, the embodiment provides a modular hoisting equipment which can be quickly assembled, as shown in Figure 4 and 8 An auxiliary load bearing mechanism 7 is arranged between the clamping wedge 34 and the pre-tightening clamp block 36, the auxiliary load bearing mechanism 7 comprises a first pull rope 71, the end of the first pull rope 71 is fixedly connected with the middle of the tension cable 61, the outer wall of the arm 5 is fixedly installed with a second manual hydraulic pump 74, the end of the second manual hydraulic pump 74 is fixedly installed with a second pull rope 72, the first pull rope 71 and the second pull rope 72 are mutually hooked, the end of the second manual hydraulic pump 74 is communicated with a second hydraulic telescopic rod 75 through a hydraulic pipe, and the second hydraulic telescopic rod 75 is fixedly installed between the clamping wedge 34 and the pre-tightening clamp block 36.

[0056] The tension cable 61 connects the module plate 31 and the arm 5, and the tension cable 61 is subjected to tension, at this time, the first pull rope 71 and the second pull rope 72 share the tension of the tension cable 61, so as to improve the load bearing capacity of the arm 5, the first pull rope 71 shares the tension of the tension cable 61, the second pull rope 72 transmits the tension to the second manual hydraulic pump 74, so that the hydraulic oil in the second manual hydraulic pump 74 enters the second hydraulic telescopic rod 75, thereby increasing the clamping force of the pre-tightening clamp block 36 on the positioning clamp block 33 and improving the pre-tightening force.

[0057] The outer wall of the boom 5 is fixedly provided with a protective shell, a plurality of guide wheels 73 are rotatably connected in the protective shell, and the second pull rope 72 rolls along the guide wheels 73. The guide wheels 73 reverse the second pull rope 72, so that the pulling force on the second manual hydraulic pump 74 is always along the axial direction.

[0058] In the embodiment, the first pull rope 71 shares the pulling force on the pulling cable 61, and the second pull rope 72 transmits the pulling force to the second manual hydraulic pump 74, so that the hydraulic oil in the second manual hydraulic pump 74 enters the second hydraulic telescopic rod 75, thereby increasing the clamping force of the pre-tightening clamp block 36 on the positioning clamp block 33, improving the pre-tightening force, and the greater the bearing capacity of the boom 5, the greater the pulling force on the pulling cable 61 and the first pull rope 71, thereby increasing the pre-tightening force and improving the bearing capacity of the modular structure.

[0059] The above specific embodiments are only several optional embodiments of the present application, and based on the technical solutions of the present application and the related inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A quickly-assembled modular hoisting device, comprising a hoisting frame (1), a top of the hoisting frame (1) being rotationally connected with a hoisting arm (5), characterized in that, Also include: The module connecting mechanism (3) includes a module plate (31), and the side of the module plate (31) is fixedly provided with a module plug (32) for inserting the crane arm (5). The inside of the module plug (32) is slidably connected with a positioning clamping block (33), and the side of the positioning clamping block (33) is elastically connected with the module plug (32). The inside of the crane arm (5) is slidably connected with a clamping wedge (34), and the side of the clamping wedge (34) is fixedly provided with a pre-tightening clamping block (36) which prevents the positioning clamping block (33) from sliding. The inside of the crane arm (5) is slidably connected with a gravity guide block (35) which extrudes the clamping wedge (34). The module plate (31) is rotationally connected to the top of the crane frame (1), and an auxiliary load bearing mechanism (7) is arranged between the clamping wedge (34) and the pre-tightening clamping block (36).

2. A rapidly erectable modular hoisting apparatus according to claim 1, characterised in that: The positioning clamping block (33) adopts a wedge-shaped structure, the inside of the crane arm (5) is provided with a clamping groove for accommodating the positioning clamping block (33), the pre-tightening clamping block (36) adopts an L-shaped structure, the pre-tightening clamping block (36) is inserted between the positioning clamping block (33) and the module plug (32), the end of the pre-tightening clamping block (36) adopts an inclined block structure, and the side of the positioning clamping block (33) away from the crane arm (5) adopts a chamfered structure. The inclination angle of the inclined surface of the pre-tightening clamping block (36) is the same as that of the chamfered inclined surface of the positioning clamping block (33).

3. A rapidly erectable modular hoisting apparatus according to claim 2, characterised in that: The side of the clamping wedge (34) is provided with a sliding groove, and the side of the gravity guide block (35) facing the clamping wedge (34) is fixedly provided with an embedded wheel (37) extending into the sliding groove of the clamping wedge (34).

4. A rapidly erectable modular hoisting apparatus according to claim 3, wherein: Both sides of each module plug (32) are symmetrically provided with pre-tightening clamping blocks (36), the pre-tightening clamping blocks (36) are slidably connected with the module plug (32), and the two pre-tightening clamping blocks (36) clamp the positioning clamping block (33).

5. A rapidly-erectable modular hoisting apparatus according to claim 4, characterised in that: It also includes an auxiliary support mechanism (6), the auxiliary support mechanism (6) includes a tension cable (61), the two ends of the tension cable (61) are fixedly connected with the crane arm (5) and the module plate (31) respectively, the top end of the crane arm (5) is fixedly provided with a connecting rope (62) sliding in the module plate (31), the inside of the module plate (31) is rotationally connected with a winding shaft (63) winding the connecting rope (62), the inside of the crane arm (5) is fixedly provided with an extension sleeve (69), the winding shaft (63) and the extension sleeve (69) are connected through a transmission member, and the tension cable (61), the crane arm (5) and the module plate (31) form a triangular structure.

6. A rapidly erectable modular hoisting apparatus according to claim 5, wherein: Said transmission comprises a gear disc (64), the winding shaft (63) is coaxially connected with the gear disc (64), the bottom of the gear disc (64) is meshedly connected with a gear (65), the bottom of the gear (65) is meshedly connected with a toothed plate (66), the end of the toothed plate (66) is fixedly installed with a first manual hydraulic pump (67), the end of the first manual hydraulic pump (67) is communicated with a first hydraulic telescopic rod (68) through a hydraulic pipe, and the telescopic sleeve (69) is located on the end extension line of the first hydraulic telescopic rod (68).

7. A rapidly-erectable modular hoisting apparatus according to claim 6, characterised in that: The diameter of the gear (65) is smaller than the diameter of the winding shaft (63), the diameter of the winding shaft (63) is smaller than the diameter of the gear disc (64), the end of the telescopic sleeve (69) is fixedly installed with an I-shaped steel structure, the two sides of the telescopic sleeve (69) abut against the inner wall of the boom (5), and the connecting rope (62) located between the boom (5) and the module plate (31) is parallel to the tension cable (61).

8. A rapidly-erectable modular hoisting apparatus according to claim 7, characterized in that: Said auxiliary load bearing mechanism (7) comprises a first pull rope (71), the end of the first pull rope (71) is fixedly connected with the middle part of the tension cable (61), the outer wall of the boom (5) is fixedly installed with a second manual hydraulic pump (74), the end of the second manual hydraulic pump (74) is fixedly installed with a second pull rope (72), the first pull rope (71) and the second pull rope (72) are mutually hooked, the end of the second manual hydraulic pump (74) is communicated with a second hydraulic telescopic rod (75) through a hydraulic pipe, and the second hydraulic telescopic rod (75) is fixedly installed between the clamping wedge block (34) and the pre-tightening clamping block (36).

9. A rapidly-erectable modular hoisting apparatus according to claim 8, characterized in that: The outer wall of the boom (5) is fixedly installed with a protective shell, a plurality of guide wheels (73) are rotatably connected in the protective shell, and the second pull rope (72) rolls along the guide wheels (73).

10. A rapidly erectable modular hoisting apparatus according to claim 1, wherein: The top of the crane frame (1) is placed with a limiting counterweight (2), the side of the module plate (31) is fixedly installed with a support rod (4) supported on the crane frame (1), and the bottom of the crane frame (1) is rotatably connected with a track.

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