Tower crane corridor

Abstract

The utility model discloses a tower crane corridor which comprises a U-shaped frame channel, a tower crane connecting plate is fixed to the lower surface of the left end of the frame channel, a channel door is installed in the upper side of the right half portion of the frame channel and connected with the frame channel through a lock, and pulling and connecting rings are arranged on the front side and the rear side of the lower end of the middle of the frame channel respectively. First hanging rings are arranged on the front side and the rear side of the lower end of the left half portion of the frame channel correspondingly, second hanging rings are arranged on the front side and the rear side of the lower end of the right half portion of the frame channel correspondingly, and a telescopic jacking assembly is arranged in the lower side of the right end of the frame channel and comprises a front sleeve, a rear sleeve and a middle connecting rod. In the construction process of the tower crane corridor, the safety and efficiency in the hoisting process of the tower crane corridor are remarkably improved, damage caused by improper hoisting is reduced, the maintenance cost is reduced, the construction progress is guaranteed, concentrated stress in the middle can be effectively dispersed after building is completed, and stability and safety are guaranteed; the tower crane also has the advantage of improving the working efficiency and safety of a tower crane driver.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, more specifically, the utility model is a tower crane corridor. BACKGROUND

[0002] With the rapid development of modern construction industry, more and more high-rise buildings are rising, which naturally leads to the increasing demand for tower crane driver access. In the traditional operation mode, the tower crane driver has to climb the ladder from the ground to reach the operating room, which not only consumes time and effort, but also has potential safety risks. In order to improve this situation, people began to explore more efficient and safe solutions.

[0003] In this regard, the Chinese utility model patent specification CN222009536U proposes a tower crane assembly type air corridor structure, which includes a frame passage for connecting the tower crane and the building floor, the bottom of the frame passage is provided with a passage connecting plate, the front end of the frame passage is provided with a tower crane connecting plate, the connecting plate is fixed on the tower crane by bolts, the tail end of the frame passage extends into the building floor, and a pre-buried ring is pre-buried in the building floor, the tail end of the frame passage is also fixed with a U-shaped connecting ring, the pre-buried ring and the U-shaped connecting ring are connected through a spring type connector, and the tail end of the frame passage is also provided with a password protection door.

[0004] However, although this design greatly improves the work efficiency and safety of the tower crane driver, it also exposes some problems in actual application. First of all, since the frame passage has no special lifting point during hoisting, it is easy to damage the frame passage during hoisting, which not only increases the maintenance cost, but also may affect the construction progress. Secondly, the middle part of the frame passage is prone to concentrated stress, which may cause low bearing capacity, and the end of the frame passage connected with the building may be offset, thereby affecting the stability and safety of the entire structure. SUMMARY

[0005] To solve the technical problems of low safety in the hoisting process of the existing tower crane corridor and concentrated stress in the middle part, the utility model innovatively provides a tower crane corridor, which significantly improves the safety and efficiency of the hoisting process during the construction of the tower crane corridor through the first and second lifting rings, reduces damage caused by improper lifting, reduces maintenance costs to ensure construction progress, effectively disperses the concentrated stress in the middle part by using the pull ring to enhance its bearing capacity and ensure stability and safety, prevents the frame passage from being offset by the telescopic jacking assembly, and has the advantages of high safety, easy installation, suitability for use in construction sites, improvement of the work efficiency and safety of the tower crane driver.

[0006] The utility model discloses a tower crane corridor for realizing the above technical purpose, including the frame channel of U shape, the left end lower surface of frame channel is fixed with tower crane connecting plate, and the upper inside of the right half of frame channel is installed with passageway door, the passageway door is connected with frame channel through lock, and the lower end of the middle of frame channel is equipped with the pull ring of two sides respectively, and the lower end of the left half of frame channel is equipped with the first hoist link ring of two sides respectively, and the lower end of the right half of frame channel is equipped with the second hoist link ring of two sides respectively, and the inside of the lower side of the right end of frame channel is equipped with telescopic top tight subassembly, telescopic top tight subassembly includes front sleeve pipe, rear sleeve pipe and intermediate link, the front half of front sleeve pipe is slidably inserted with the front side of frame channel, and the front end of front sleeve pipe is equipped with front top disc, and the rear half of front sleeve pipe is slidably inserted on the outer wall of the front half of intermediate link, the rear half of rear sleeve pipe is slidably inserted with the rear side of frame channel, and the rear end of rear sleeve pipe is equipped with rear top disc, and the front half of rear sleeve pipe is slidably inserted on the outer wall of the rear half of intermediate link, the middle of intermediate link is equipped with the shaft sleeve to right, the screw rod is rotatably equipped in the shaft sleeve, the left end of screw rod is equipped with hand wheel, and the outer wall of connecting sleeve is equipped with front connecting rod and rear connecting rod in the symmetry of front and back, the right end of front connecting rod is hinged with connecting sleeve, and the left end of front connecting rod is hinged with the middle of front sleeve pipe, the right end of rear connecting rod is hinged with connecting sleeve, and the left end of rear connecting rod is hinged with the middle of rear sleeve pipe.

[0007] Further, the utility model discloses a tower crane corridor, wherein, the frame channel includes bottom channel, front guardrail and rear guardrail, the front guardrail is detachably arranged at the front side of the bottom channel, the rear guardrail is detachably arranged at the rear side of the bottom channel, one end of the passageway door is hinged with the rear guardrail, and the other end is connected with the front guardrail through the lock, the tower crane connecting plate is fixed at the left end lower surface of the bottom channel, and the pull ring, the first hoist link ring and the second hoist link ring are arranged at the front and rear sides of the bottom channel respectively.

[0008] Further, the utility model discloses a tower crane corridor, wherein, the bottom channel includes front longitudinal beam, rear longitudinal beam, intermediate crossbeam and steel plate, the front longitudinal beam and rear longitudinal beam are oppositely arranged, the intermediate crossbeam is arranged as multiple, the multiple intermediate crossbeams are fixed between the front longitudinal beam and rear longitudinal beam from left to right and are evenly spaced, the steel plate is laid on the upper surface of the front longitudinal beam, rear longitudinal beam and intermediate crossbeam, the tower crane connecting plate is fixed at the lower surface of the intermediate crossbeam of the leftmost end of the front longitudinal beam and rear longitudinal beam, the pull ring, the first hoist link ring and the second hoist link ring are arranged at the outer side wall of the front longitudinal beam and rear longitudinal beam respectively, the front sleeve pipe is slidably inserted with the front longitudinal beam, and the rear sleeve pipe is slidably inserted with the rear longitudinal beam.

[0009] Further, the utility model provides a tower crane corridor, wherein, the front guardrail and rear guardrail all include a plurality of left to right evenly spaced stand, a plurality of reinforcing cross bars are evenly spaced from top to bottom between the adjacent two stand, the stand and reinforcing cross bar are fixed with the guard net, the upper end of front longitudinal beam and rear longitudinal beam is equipped with the plug -in sleeve of with stand plug -in cooperation, the lower end of stand is inserted in the plug -in sleeve and is fixed through bolt.

[0010] Further, the utility model provides a tower crane corridor, wherein, the tower crane connecting plate includes opposite left turn -over plate and right turn -over plate, the left turn -over plate turns over to left, and the upper end of left turn -over plate is fixedly connected with the lower surface of the intermediate cross beam of the leftmost end of front longitudinal beam and rear longitudinal beam, the right turn -over plate turns over to right, and the upper end of right turn -over plate is fixedly connected with the lower surface of the intermediate cross beam of the leftmost end of front longitudinal beam and rear longitudinal beam, the left turn -over plate and right turn -over plate form the groove -like structure between them, and the opposite side wall of left turn -over plate and right turn -over plate is equipped with the mutually corresponding installation through -hole respectively.

[0011] Further, the utility model provides a tower crane corridor, wherein, the interval between the adjacent two intermediate cross beams between front longitudinal beam and rear longitudinal beam is 1m.

[0012] Further, the utility model provides a tower crane corridor, wherein, the interval between the adjacent two stand of front guardrail and rear guardrail is 1m.

[0013] The utility model discloses between the difference with prior art is: the utility model discloses through setting up the frame channel structure of U shape, fixed mounting a tower crane connecting plate for connecting tower crane in the left end lower surface of frame channel. At the same time in the right half portion inside frame channel installs a passageway door, and the passageway door is connected with frame channel through lock. In order to further enhance the stability and safety of structure, the pull ring is provided on the left and right sides of the lower end of the middle part of the frame channel. In addition, the first lifting ring is provided on the left and right sides of the lower end of the left half of the frame channel, and the second lifting ring is provided on the left and right sides of the lower end of the right half of the frame channel. In order to guarantee the stability of the connection between the frame channel and the building, prevent the frame channel from deviating relative to the building, the telescopic jacking assembly is arranged on the inside of the lower side of the right end of the frame channel. Through such setting, a tower crane corridor with high safety, convenient installation and very suitable for popularization and application in construction site is constructed. In actual use process, the hook of the tower crane can be easily hung on the first lifting ring and the second lifting ring, and the frame channel is lifted as a whole. In the lifting process, one end of the tower crane connecting plate is aligned with the tower crane, and the other end is aligned with the building, which significantly improves the safety and efficiency of the lifting process. In this way, damage caused by improper lifting can be effectively reduced, thereby reducing maintenance cost and ensuring that construction progress is not affected. When installing the tower crane corridor, the tower crane connecting plate is fixedly connected with the horizontal section of the tower crane standard section. In order to further ensure the safety of the installation process, the barriers are arranged on the left and right sides of the frame channel in the building. The barriers are fixedly connected with the telescopic jacking assembly by the telescopic jacking assembly, so as to prevent the frame channel from deviating during use. Then, the steel wire rope is pulled to the building through the pull ring, which can effectively reduce the pressure on the tower crane standard section. At the same time, the pull ring can also effectively disperse the concentrated stress in the middle, thereby enhancing the carrying capacity of the whole structure and ensuring its stability and safety. Through such comprehensive design and installation, the work efficiency of the tower crane driver is improved, and the safety level of the whole construction site is also greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model discloses a tower crane corridor (telescopic jacking assembly retraction);

[0015] Figure 2 It is a three-dimensional structure schematic view of the utility model discloses a tower crane corridor (telescopic jacking assembly extension);

[0016] Figure 3 It is a three-dimensional structure schematic view of the utility model discloses a tower crane corridor (telescopic jacking assembly retraction);

[0017] Figure 4 It is a three-dimensional structure schematic view of the utility model discloses a tower crane corridor (telescopic jacking assembly extension). DETAILED DESCRIPTION

[0018] The utility model discloses a tower crane corridor is explained and is explained in detail below in combination with the drawing of specification.

[0019] As Figures 1-4The utility model discloses a tower crane corridor, including the frame channel 1 structure of U shape, fixed mounting a tower crane connecting plate 2 for connecting tower crane in the left end lower surface of frame channel 1. At the same time, a passageway door 3 is installed on the right half portion upper inside of frame channel 1, and the passageway door 3 is connected with frame channel 1 through lockset, preventing the entry of other personnel except tower driver. In order to further enhance the stability and safety of structure, the pull ring 4 is arranged respectively on the front and rear sides of the lower end of the middle part of frame channel 1. In addition, the first lifting ring 5 is equipped respectively on the front and rear sides of the lower end of the left half part of frame channel 1, and the second lifting ring 6 is equipped respectively on the front and rear sides of the lower end of the right half part of frame channel 1. In order to guarantee the stability of the connection between frame channel and building, prevent frame channel 1 from deviating relative to building, the telescopic jacking assembly 7 is arranged in the right end lower inside of frame channel 1. The telescopic jacking assembly 7 includes front sleeve pipe 71, rear sleeve pipe 72 and intermediate connecting rod 73. The front half of front sleeve pipe 71 is slidably inserted with the front side of frame channel 1, and the front end of front sleeve pipe 71 is provided with front top disc 711, and the rear half of front sleeve pipe 71 is slidably sleeved on the outer peripheral wall of the front half of intermediate connecting rod 73. The rear half of rear sleeve pipe 72 is slidably inserted with the rear side of frame channel 1, and the rear end of rear sleeve pipe 72 is provided with rear top disc 721, and the front half of rear sleeve pipe 72 is slidably sleeved on the rear half of intermediate connecting rod 73. The intermediate connecting rod 73 is provided with shaft sleeve 731 towards right in the middle, and screw rod 74 is rotatably arranged in shaft sleeve 731, and hand wheel 741 is arranged on the left end of screw rod 74, and connecting sleeve 75 is threadedly connected on screw rod 74, and front connecting rod 76 and rear connecting rod 77 are symmetrically arranged on the outer peripheral wall of connecting sleeve 75, and the right end of front connecting rod 76 is hingedly connected with connecting sleeve 75, and the left end of front connecting rod 76 is hingedly connected with the middle of front sleeve pipe 71, and the right end of rear connecting rod 77 is hingedly connected with connecting sleeve 75, and the left end of rear connecting rod 77 is hingedly connected with the middle of rear sleeve pipe 72. Through the arrangement, a tower crane corridor with high safety, convenient installation and very suitable for popularization and application in construction site is constructed. In actual use, the hook of tower crane can be easily hung on first lifting ring 5 and second lifting ring 6, and frame channel 1 is hoisted as a whole. In the hoisting process, one end of frame channel 1 is aligned with tower crane, and the other end is aligned with building, which significantly improves the safety and efficiency of hoisting process. In this way, damage caused by improper hoisting can be effectively reduced, thereby reducing maintenance cost and ensuring that construction progress is not affected. When installing tower crane corridor, tower crane connecting plate 2 is fixedly connected with horizontal section of tower crane standard section. In order to further ensure the safety of installation process, barriers are arranged on the front and rear sides of frame channel 1 in building, and telescopic jacking assembly 7 is equivalent to horizontally arranged in the right end inside of frame channel 1, and hand wheel 741 on screw rod 74 is exposed from the right end of frame channel 1. Figure 1 And combine Figure 3As shown, the telescopic jacking assembly 7 is in the retracted state, thereby facilitating hoisting. After hoisting is completed, the hand wheel 741 is rotated, the screw rod 74 is rotated, the connecting sleeve 75 is moved from right to left, the front sleeve 71 and the rear sleeve 72 are respectively pushed out of the middle connecting rod 73 by the front connecting rod 76 and the rear connecting rod 77, and the state is as shown in Figure 2 and Figure 4 As shown, the front jacking disc 711 and the rear jacking disc 721 are jacked against the barriers arranged in the building, and are fixedly connected with the barriers, so that the frame channel 1 is prevented from deviating during use. Subsequently, the steel wire is pulled to the building through the pull ring 4, so that the pressure on the tower crane standard section can be effectively reduced. Meanwhile, the pull ring 4 can also effectively disperse the concentrated stress in the middle, thereby enhancing the carrying capacity of the whole structure and ensuring the stability and safety. Through the comprehensive design and installation, the work efficiency of the tower crane driver is improved, and the safety level of the whole construction site is greatly improved.

[0020] In an embodiment of the utility model, the frame channel 1 includes a bottom channel 11, a front guardrail 12 and a rear guardrail 13. The front guardrail 12 is detachably installed at the front end position of the bottom channel 11. Similarly, the rear guardrail 13 is also detachably installed at the rear end position of the bottom channel 11. Such arrangement makes it easy to detach and install when needed, improving the flexibility of use.

[0021] One end of the channel door 3 is connected with the rear guardrail 13 through a hinge, so that the channel door 3 can be conveniently opened and closed. The other end of the channel door 3 is connected with the front guardrail 12 through a lock, effectively preventing other personnel from entering except the tower crane operator. The tower crane connecting plate 2 is firmly fixed to the left end lower surface of the bottom channel 11, providing a reliable support point for the connection of the tower crane equipment.

[0022] In order to further enhance the stability and carrying capacity of the frame channel 1, the pull ring 4, the first hoisting ring 5 and the second hoisting ring 6 are respectively arranged at the front and rear sides of the bottom channel 11. These first hoisting ring 5 and second hoisting ring 6 provide additional hoisting points for the frame channel 1, making it safer and more convenient when performing high-altitude operations.

[0023] The bottom channel 11 comprises a front longitudinal beam 111, a rear longitudinal beam 112, a plurality of middle cross beams 113 and a steel plate 114. The front longitudinal beam 111 and the rear longitudinal beam 112 are arranged opposite to each other, and the middle cross beams 113 are evenly spaced and fixed between the front longitudinal beam 111 and the rear longitudinal beam 112, so that the structure of the entire bottom channel 11 is more solid. In order to ensure the uniform stress of the structure, the spacing between the adjacent two middle cross beams 113 is accurately set to 1 meter. The steel plate 114 is laid on the upper surfaces of the front longitudinal beam 111, the rear longitudinal beam 112 and the middle cross beams 113, further enhancing the carrying capacity and stability of the bottom channel 11. The tower crane connecting plate 2 is fixed to the lower surface of the middle cross beam 113 at the leftmost end of the front longitudinal beam 111 and the rear longitudinal beam 112, providing a stable connection point for the tower crane equipment. The pull ring 4, the first lifting ring 5 and the second lifting ring 6 are arranged on the outer side walls of the front longitudinal beam 111 and the rear longitudinal beam 112, respectively. The front sleeve 71 is slidably inserted into the front longitudinal beam 111, and the rear sleeve 72 is slidably inserted into the rear longitudinal beam 112.

[0024] The front guardrail 12 and the rear guardrail 13 each comprise a plurality of vertical rods 121 evenly spaced from left to right. A plurality of reinforcing cross bars 122 are evenly spaced from top to bottom between the adjacent two vertical rods 121, which further enhance the stability and strength of the guardrail. The vertical rods 121 and the reinforcing cross bars 122 are fixed with protective nets 123, which provide a safe protection measure for the workers. The upper ends of the front longitudinal beam 111 and the rear longitudinal beam 112 are provided with insertion sleeves 1111 for insertion cooperation with the vertical rods 121, and the lower ends of the vertical rods 121 are inserted into the insertion sleeves 1111 and fixed by bolts, which ensures the stability of the vertical rods 121 and facilitates disassembly. The spacing between the adjacent two vertical rods 121 of the front guardrail 12 and the rear guardrail 13 is also accurately set to 1 meter, which not only ensures the uniform distribution of the vertical rods 121 on the guardrail, but also ensures the safety and reliability in use.

[0025] In an embodiment of the utility model, tower crane connecting plate 2 includes two opposite setting folding board, namely left folding board 21 and right folding board 22. Left folding board 21 is set to the shape of left folding, and the upper end of left folding board 21 is fixedly connected with the lower surface of the intermediate crossbeam 113 of the leftmost end of front longitudinal beam 111 and rear longitudinal beam 112. Similarly, right folding board 22 is set to the shape of right folding, and the upper end of right folding board 22 is also fixedly connected with the lower surface of the intermediate crossbeam 113 of the rightmost end of front longitudinal beam 111 and rear longitudinal beam 112. Through this setting, a kind of slot structure is formed between left folding board 21 and right folding board 22. This slot structure has important practical function, which can be accurately lapped on the horizontal section of tower crane, to ensure the close combination of connecting plate and tower crane. In addition, in order to further enhance the fixing effect of connecting plate, opposite side walls of left folding board 21 and right folding board 22 are respectively provided with mutually corresponding mounting through holes 221. These mounting through holes 221 provide mounting positions for bolts, so that left folding board 21 and right folding board 22 can be fixed by bolts, thereby improving the stability and safety of overall structure. Through this setting, tower crane connecting plate 2 not only can realize accurate lapping, but also can be fixed by bolts, to ensure the firmness and reliability of connection.

[0026] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrated; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements, unless otherwise explicitly limited. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and are not to be construed as indicating or implying relative importance or a specific number of the technical features indicated. Thus, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited.

[0029] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and simple improvement made on the essential content of the present application shall be included in the protection scope of the present application.

Claims

1. A tower crane connecting corridor, characterized in that: The system includes a U-shaped frame channel (1), with a tower crane connecting plate (2) fixed to the lower left surface of the frame channel (1). A channel door (3) is installed inside the upper right half of the frame channel (1), and the channel door (3) is connected to the frame channel (1) by a lock. Pull-up rings (4) are provided on the front and rear sides of the lower middle part of the frame channel (1). First lifting rings (5) are provided on the front and rear sides of the lower left half of the frame channel (1). The right half of the frame channel (1)... The lower end is provided with a second lifting ring (6) on both the front and rear sides. The lower right side of the frame channel (1) is provided with a telescopic tightening assembly (7). The telescopic tightening assembly (7) includes a front sleeve (71), a rear sleeve (72), and a middle connecting rod (73). The front half of the front sleeve (71) is slidably inserted into the front side of the frame channel (1). The front end of the front sleeve (71) is provided with a front top plate (711). The rear half of the front sleeve (71) is slidably sleeved on the middle connecting rod (73). 3) On the outer peripheral wall of the front half, the rear half of the rear sleeve (72) is slidably inserted into the rear side of the frame channel (1). The rear end of the rear sleeve (72) is provided with a rear top plate (721). The front half of the rear sleeve (72) is slidably sleeved on the outer peripheral wall of the rear half of the intermediate connecting rod (73). The middle part of the intermediate connecting rod (73) is provided with a right-facing bushing (731). A screw (74) is rotatably provided inside the bushing (731). A hand is provided at the left end of the screw (74). A connecting sleeve (75) is threaded onto the wheel (741) and the screw (74). A front connecting rod (76) and a rear connecting rod (77) are symmetrically arranged on the outer peripheral wall of the connecting sleeve (75). The right end of the front connecting rod (76) is hinged to the connecting sleeve (75), and the left end of the front connecting rod (76) is hinged to the middle of the front sleeve (71). The right end of the rear connecting rod (77) is hinged to the connecting sleeve (75), and the left end of the rear connecting rod (77) is hinged to the middle of the rear sleeve (72).

2. The tower crane connecting corridor according to claim 1, characterized in that: The frame passage (1) includes a bottom passage (11), a front guardrail (12) and a rear guardrail (13). The front guardrail (12) is detachably disposed on the front side of the bottom passage (11), and the rear guardrail (13) is detachably disposed on the rear side of the bottom passage (11). One end of the passage door (3) is hinged to the rear guardrail (13), and the other end is connected to the front guardrail (12) through a lock. The tower crane connecting plate (2) is fixed to the lower left end of the bottom passage (11). The pull ring (4), the first lifting ring (5) and the second lifting ring (6) are respectively disposed on the front and rear sides of the bottom passage (11).

3. A tower crane connecting corridor according to claim 2, characterized in that: The bottom channel (11) includes a front longitudinal beam (111), a rear longitudinal beam (112), a middle crossbeam (113), and a steel plate (114). The front longitudinal beam (111) and the rear longitudinal beam (112) are arranged opposite each other. There are multiple middle crossbeams (113), which are evenly spaced from left to right and fixed between the front longitudinal beam (111) and the rear longitudinal beam (112). The steel plate (114) is laid on the front longitudinal beam (111) and the rear longitudinal beam (112). The tower crane connecting plate (2) is fixed on the upper surface of the middle crossbeam (113) at the leftmost end of the front longitudinal beam (111) and the rear longitudinal beam (112). The connecting ring (4), the first lifting ring (5) and the second lifting ring (6) are respectively set on the outer side wall of the front longitudinal beam (111) and the rear longitudinal beam (112). The front sleeve (71) is slidably inserted into the front longitudinal beam (111), and the rear sleeve (72) is slidably inserted into the rear longitudinal beam (112).

4. A tower crane connecting corridor according to claim 3, characterized in that: Both the front guardrail (12) and the rear guardrail (13) include multiple uprights (121) evenly spaced from left to right. Multiple reinforcing crossbars (122) are evenly spaced from top to bottom between two adjacent uprights (121). Protective nets (123) are fixed on the uprights (121) and the reinforcing crossbars (122). The upper ends of the front longitudinal beam (111) and the rear longitudinal beam (112) are provided with plug-in sleeves (1111) that are inserted and matched with the uprights (121). The lower end of the uprights (121) is inserted into the plug-in sleeves (1111) and fixed with bolts.

5. A tower crane connecting corridor according to claim 4, characterized in that: The tower crane connecting plate (2) includes a left folding plate (21) and a right folding plate (22) arranged opposite to each other. The left folding plate (21) folds to the left, and the upper end of the left folding plate (21) is fixedly connected to the lower surface of the middle crossbeam (113) at the leftmost end of the front longitudinal beam (111) and the rear longitudinal beam (112). The right folding plate (22) folds to the right, and the upper end of the right folding plate (22) is fixedly connected to the lower surface of the middle crossbeam (113) at the leftmost end of the front longitudinal beam (111) and the rear longitudinal beam (112). A groove structure is formed between the left folding plate (21) and the right folding plate (22). The side walls of the left folding plate (21) and the right folding plate (22) are respectively provided with corresponding mounting through holes (221).

6. A tower crane connecting corridor according to claim 5, characterized in that: The spacing between two adjacent intermediate crossbeams (113) between the front longitudinal beam (111) and the rear longitudinal beam (112) is set to 1m.

7. A tower crane connecting corridor according to claim 6, characterized in that: The spacing between two adjacent uprights (121) of the front guardrail (12) and the rear guardrail (13) is set to 1m.

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