Economical straddle type monorail traffic evacuation platform

Abstract

The invention relates to the technical field of rail traffic, and discloses an economical straddle type monorail traffic evacuation platform which comprises two rail beams installed and supported through a plurality of piers, and an evacuation mechanism is arranged between the two rail beams; the evacuation mechanism comprises a plurality of grating panels and a plurality of connecting components. The economical straddle type monorail traffic evacuation platform comprises a platform body, according to the force transmission path, crowd evacuation loads are transmitted to the cross beams arranged at intervals through the steel grating panels, the cross beams and the track beams are connected through pre-buried sleeves, positioning steel plates and prefabricated connecting components at the bottoms of the track beams so that the loads of the cross beams can be transmitted to the track beams, and then the loads are transmitted to pier columns, a foundation and a foundation through the track beams. The span of main stress components of the platform is shortened from the longitudinal beams with the same span as the PC beams to the longitudinal beams with the same span as the linear distance, and due to the fact that the span is reduced, the mid-span bending moment is greatly reduced, and the purposes of reducing the structural size and reducing the manufacturing cost are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of rail transportation, in particular to an economical straddle-type monorail transportation evacuation platform. Background Art

[0002] Straddle-type monorail transportation is a type of light rail. The train runs on a single concrete or steel rail beam, which is both directly connected to the train track and a load-bearing structure. Since this type of track system integrates the rail and the beam, its evacuation platform cannot be directly arranged on the top surface of the box beam structure like a subway or light rail system. It is necessary to design an evacuation platform separately. In addition to the main function of evacuating people in an emergency, the existing evacuation platform also needs to provide a bridge frame and daily inspection and maintenance platform for the laying of power, signal and other cables for vehicle operation.

[0003] At present, there are mainly two types of evacuation platforms for this type of rail transit in China:

[0004] 1. The evacuation platform is located between the left and right track beams. The platform has the functions of a maintenance channel and a cable bridge. The elevation of the top surface of the platform is equivalent to the elevation of the bottom surface of the track beam. The structural form adopts a longitudinal bridge steel beam placed on the bridge pier cap beam to form a simply supported structural system, and then a sidewalk slab is arranged on it to form a platform. The longitudinal force-bearing components are 4 welded I-sections with a beam height of 0.55m. The distance between the longitudinal beams is adjusted according to the line spacing. This type of evacuation and maintenance platform directly uses the longitudinal beam to transfer the load to the bridge pier. Since its top surface elevation is lower than the bottom surface elevation of the track beam, its layout does not affect the driving limit. The track line spacing only needs to consider meeting various vehicle operation parameters. It is mainly used in Chongqing Rail Transit Line 3.

[0005] Second, the evacuation platform and the maintenance platform are separated between the left and right track beams or on the double-layer platform. The top surface of the top platform is basically the same as the elevation of the bottom of the car body, and it mainly serves as an evacuation platform. The bottom platform elevation is equivalent to the elevation of the bottom surface of the track beam, and it mainly serves as a maintenance platform. The evacuation platform is a steel truss structure placed on the pier cover to form a simply supported structure system. The truss height is 1.62m, and the distance between the two trusses is adjusted according to the line spacing. This type of evacuation platform also directly transfers the load to the pier. Since its upper platform has the same elevation as the bottom of the car body, the people in the car can be evacuated directly through the upper platform during evacuation, and the evacuation efficiency is high. However, since its elevation is located between the vehicles and occupies a certain driving limit, its line spacing needs to consider the width of the evacuation platform in addition to meeting various vehicle operation parameters, resulting in an increase in its line spacing. For example, the Chinese invention patent with the publication number CN109056501A; it is currently mainly used in Wuhu Rail Transit Line 1.

[0006] Although both of the above two evacuation platforms can solve the needs of evacuating personnel in emergency situations and routine maintenance of vehicles, since both of the above evacuation platforms are longitudinal load-bearing components (the span is the same as that of PC beams), a large span will inevitably lead to a large structural internal force generated by the same crowd load, requiring corresponding structural resistance to resist the load effect, resulting in a larger cross-sectional size and a higher cost. The evacuation platform adopted by Wuhu Line 1 has a large overall structural height (steel truss beam height 1.62m) to realize the concept of direct evacuation. Not only is the evacuation platform itself expensive, but also its occupation of the driving limit increases the line spacing. In order to adapt to the line spacing, the cantilever size of the cap beam in the transverse direction of the bridge also needs to be increased accordingly, which ultimately leads to an increase in the bending moment of the cap beam and the piers along the bridge under the same boundary conditions. It is necessary to design a more resistant structure (specifically, the piers need to increase a certain amount of stress-bearing steel bars along the bridge, and the cap beam is usually designed as a prestressed component due to the clearance under the bridge and the aesthetic needs of the facade, which not only increases the cost of the cap beam, but also increases the process conversion, which increases the cost and also brings inconvenience to the construction) to balance the load effect, further increasing the project cost. Summary of the invention

[0007] 1. Technical issues to be solved

[0008] In view of the deficiencies of the prior art, the present invention provides an economical straddle-type monorail transportation evacuation platform, which transmits the load of the evacuated crowd to the spaced crossbeams through the steel grating panel, connects the crossbeam to the track beam through the embedded sleeve and positioning steel plate and prefabricated connecting components at the bottom of the track beam, thereby transmitting the crossbeam load to the track beam, and then the track beam transmits the load to the pier, foundation and even the foundation, and the span of the main load-bearing components of the platform is shortened from the longitudinal beam of the same span as the PC beam to the same span as the line spacing. Due to the reduction in span, the mid-span bending moment will be greatly reduced, thereby achieving the purpose of reducing the structural size and cost. The existing evacuation platforms are all longitudinal load-bearing components (span is the same as the PC beam), and the large span will inevitably lead to large structural internal forces generated by the same crowd load, so that corresponding structural resistance is required to resist the load effect, resulting in larger cross-sectional size and higher cost.

[0009] (II) Technical solution

[0010] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an economical straddle-type monorail traffic evacuation platform, comprising two track beams installed and supported by a plurality of bridge piers, an evacuation mechanism being arranged between the two track beams;

[0011] The evacuation mechanism comprises a plurality of grid panels and a plurality of connecting members, wherein the plurality of grid panels are installed between two track beams through the plurality of connecting members;

[0012] The connecting member comprises two connecting pieces, and the two connecting pieces are respectively fixed to the bottom of two track beams, a cross beam is installed between the two connecting pieces, and the grille panel is detachably installed on the top of the cross beam.

[0013] Preferably, the connecting member comprises a U-shaped bracket frame, one side of the U-shaped bracket frame is fixedly connected to a reinforcement frame, a mounting plate is provided on the top of the reinforcement frame through a leveling member, and a plurality of fastening anchor rods are installed on the mounting plate;

[0014] A plurality of threaded sleeves are pre-buried at the bottom of the two track beams, and the fastening anchor rods are used for being spirally fixed inside the threaded sleeves.

[0015] Preferably, both ends of the cross beam are mounted inside two U-shaped bracket frames, and the cross beam is connected to the U-shaped bracket frames via two bolts.

[0016] Preferably, hinge holes are provided at both ends of the crossbeam and in the U-shaped bracket frame of one of the connecting members, and a slot-shaped adjustment hole is provided in the U-shaped bracket frame of the other connecting member, and the two bolt members are respectively inserted into the overlapping hinge holes and the slot-shaped adjustment holes;

[0017] The bottoms of the two U-shaped bracket frames are both provided with drainage holes.

[0018] Preferably, shock-absorbing layers are provided at both ends of the crossbeam, and mounting parts for mounting the grille panel are provided on both sides of the top of the crossbeam;

[0019] The mounting member comprises a T-shaped positioning plate fixed to the top of the cross beam, a U-shaped locking block is slidably inserted inside the T-shaped positioning plate, and a fastening bolt is arranged on the U-shaped locking block, and four positioning openings are opened at the edge of the grille panel.

[0020] Preferably, the bolt member comprises a bolt rod, a rotating sleeve is provided on the outer surface of the bolt rod, and a nut is threadedly mounted on one end of the bolt rod.

[0021] Preferably, the leveling member includes a movable groove opened at the bottom of the mounting plate, and the interior of the movable groove is rotatably connected to a rotating shaft, the outer surface of the rotating shaft is rotatably sleeved with a connecting block, and the connecting block is fixed to the top of the reinforcing frame.

[0022] Preferably, a hidden groove is opened on one side of the top of the reinforcing frame, and a locking block is slidably connected inside the hidden groove, and the locking block contacts the bottom of the mounting plate, and a threaded rod for adjusting the locking block up and down is threadedly connected on one side of the reinforcing frame.

[0023] (III) Beneficial effects

[0024] Compared with the prior art, the present invention provides an economical straddle-type monorail traffic evacuation platform, which has the following beneficial effects:

[0025] 1. The present invention transfers the load of the evacuated crowd to the spaced cross beams through the steel grating panel as the force transmission path, connects the cross beam to the track beam through the pre-embedded sleeve and positioning steel plate and prefabricated connecting components at the bottom of the track beam, thereby transferring the cross beam load to the track beam, and then the track beam transfers the load to the pier, the foundation and finally the foundation, and the span of the main load-bearing component of the platform is shortened from the longitudinal beam of the same span as the PC beam to the same span as the line spacing. Due to the reduction of the span, the mid-span bending moment will be greatly reduced, thereby achieving the purpose of reducing the structural size and reducing the cost.

[0026] 2. The present invention provides hinge holes at both ends of the crossbeam and in the U-shaped bracket frame of one of the connecting parts, thereby facilitating the installation of the crossbeam inside the U-shaped bracket frame by means of bolts. By providing the slot-shaped adjustment holes, the internal force on the crossbeam caused by the uncoordinated deformation of the track beam can be released by releasing the displacement (horizontal and vertical) and rotation constraint of the platform crossbeam and the connecting part, thereby solving the problem that the track beam is a component that directly bears the track wheel load and will inevitably vibrate during the operation of the train, which may cause the bolts anchored in the beam body to loosen during long-term use; the track beams on the left and right lines of the same span will produce uncoordinated vibrations and deformations due to the asynchronous operation of the train, causing the crossbeam to bear forced displacement and generate additional internal forces.

[0027] 3. The present invention adopts a rotating shaft to rotatably connect the top of the connecting block to the bottom of the mounting plate, which not only facilitates the sufficient contact between the mounting plate and the track beam, but also facilitates the installation of the mounting plate at the bottom of the curved track beam, thereby facilitating better adaptation to the working condition where the bottom of the curved track beam is not horizontal, so that the walking platform is always in a horizontal state, and the mounting plate in a horizontal or inclined state is tightened by the locking block, thereby ensuring the stability between the mounting plate and the reinforcement frame, thereby enhancing the stability of the crossbeam and the grille panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the economical straddle-type monorail traffic evacuation platform of the present invention;

[0029] Figure 2 For the present invention Figure 1 A bottom view of the structure of the medium-economic straddle-type monorail transportation evacuation platform;

[0030] Figure 3 For the present invention Figure 1 Installation diagram of the center grille panel and connecting components;

[0031] Figure 4 For the present invention Figure 3Bottom view of the combination of the middle grille panel and the connecting components;

[0032] Figure 5 For the present invention Figure 3 Structural schematic diagram of the connecting component;

[0033] Figure 6 For the present invention Figure 5 Structural assembly and disassembly drawings of the connecting components;

[0034] Figure 7 For the present invention Figure 6 The structural diagram of the bolt part;

[0035] Figure 8 For the present invention Figure 6 A schematic diagram of the structure of the middle U-shaped bracket frame;

[0036] Fig. 9 For the present invention Figure 8 Schematic diagram of the cross section of the middle U-shaped bracket frame.

[0037] In the figure: 1. Bridge pier; 2. Track beam; 3. Grid panel;

[0038] 4. Connecting components;

[0039] 41. Connecting piece; 411. U-shaped bracket frame; 412. Reinforcement frame; 413. Mounting plate; 414. Fastening anchor rod; 415. Drain hole; 416. Hinge hole; 417. Slot-type adjustment hole;

[0040] 418, leveling member; 4181, rotating shaft; 4182, connecting block; 4183, locking block; 4184, threaded rod;

[0041] 42, crossbeam; 421, shock-absorbing layer; 422, T-shaped positioning plate; 423, U-shaped locking block; 424, fastening bolt; 425, positioning port;

[0042] 43. Bolt member; 431. Bolt rod; 432. Rotating sleeve; 433. Nut. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments 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.

[0044] Embodiment 1:

[0045] See attached Figures 1 to 9, an economical straddle-type monorail traffic evacuation platform, comprising two track beams 2 mounted and supported by a plurality of bridge piers 1, an evacuation mechanism being arranged between the two track beams 2;

[0046] The evacuation mechanism includes a plurality of grid panels 3 and a plurality of connecting members 4, and the plurality of grid panels 3 are installed between two track beams 2 through the plurality of connecting members 4;

[0047] A plurality of grid panels 3 are installed between two track beams 2 through a plurality of connecting members 4, so that the pressure of the grid panels 3 is transmitted to the two track beams 2 through the connecting members 4, and then transmitted to the ground through the pier 1;

[0048] The connecting member 4 includes two connecting members 41, and the two connecting members 41 are respectively fixed to the bottom of the two track beams 2, a cross beam 42 is installed between the two connecting members 41, and the grid panel 3 is detachably installed on the top of the cross beam 42;

[0049] By adopting a transverse force-bearing structural system, the load of the evacuation platform is directly transferred to the track beam 2. Compared with the longitudinal structural system, the evacuation platform increases the deadweight load of the evacuation platform for the track beam 2. The load of a single track beam 2 increases by about 1.8KN / m. After calculation of the track beam 2, the track adopts a three-span and one-unit rigid frame system. The increased load will basically have no effect on the cost of the track beam 2; the load can be balanced by optimizing the linearity of the prestressed steel strands.

[0050] See attached Figure 5 , Figure 6 , Figure 8 and Fig. 9 The connecting member 41 includes a U-shaped bracket frame 411, one side of the U-shaped bracket frame 411 is fixedly connected to a reinforcement frame 412, the top of the reinforcement frame 412 is provided with a mounting plate 413 through a leveling member 418, and a plurality of fastening anchor rods 414 are installed on the mounting plate 413; a plurality of threaded sleeves are pre-buried at the bottom of the two track beams 2, and the fastening anchor rods 414 are used to be screwed and fixed inside the threaded sleeves;

[0051] The U-shaped bracket frame 411 is fixedly mounted on the bottom of the track beam 2 by fastening the anchor rod 414, so as to facilitate the transmission of the pedal pressure on the grid panel 3 on the cross beam 42 to the two track beams 2, and then to the foundation through the bridge pier 1;

[0052] The span of the main load-bearing components of the platform is shortened from the longitudinal beam of the same span of the PC beam (20m-30m) to the same span as the line spacing; generally about 3.5m, and the line spacing is slightly adjusted according to different vehicle models. Due to the reduction of the span, the mid-span bending moment will be greatly reduced, thereby achieving the purpose of reducing the structural size and reducing the cost;

[0053] The force transmission path of this structural system is to transfer the load of the evacuated crowd to the spaced beams 42 (spacing 2m) through the steel grating panel 3, connect the beam 42 with the track beam 2 through the embedded sleeve and positioning steel plate and prefabricated connecting component 4 at the bottom of the track beam 2, so as to transfer the load of the beam 42 to the track beam 2, and then the track beam 2 transfers the load to the pier, foundation and even the foundation.

[0054] See attached Figure 5 and Figure 6 , both ends of the crossbeam 42 are mounted inside the two U-shaped bracket frames 411, and the crossbeam 42 is connected to the U-shaped bracket frames 411 through two bolts 43;

[0055] The two bolt members 43 are provided to facilitate fixing of the cross beam 42 installed inside the two U-shaped bracket frames 411 , thereby ensuring the stability of the cross beam 42 after installation.

[0056] See attached Figure 5 , Figure 6 , Figure 8 and Fig. 9 , hinge holes 416 are provided at both ends of the crossbeam 42 and in the U-shaped bracket frame 411 of one of the connecting members 41, and a slot-shaped adjustment hole 417 is provided in the U-shaped bracket frame 411 of the other connecting member 41, and two bolt members 43 are respectively inserted into the overlapping hinge holes 416 and the slot-shaped adjustment holes 417;

[0057] By opening hinge holes 416 at both ends of the crossbeam 42 and in the U-shaped bracket frame 411 of one of the connecting members 41, it is convenient to install the crossbeam 42 inside the U-shaped bracket frame 411 through the bolt member 43, and by opening the groove-shaped adjustment hole 417, it is convenient to release the displacement of the platform crossbeam 42 and the connecting member 41, including horizontal and vertical displacement and rotation constraint, to release the internal force generated on the crossbeam 42 by the uncoordinated deformation of the track beam 2;

[0058] The invention solves the problem that the track beam 2 is a component that directly bears the track wheel load and will inevitably vibrate during the operation of the train, which may cause the bolts anchored in the beam body to loosen during long-term use; the track beams 2 of the left and right lines of the same span vibrate and deform uncoordinatedly due to the asynchronous operation of the trains, causing the cross beam 42 to bear forced displacement and generate additional internal force;

[0059] At the same time, since the vibration of the track beam 2 will be transmitted to the cross beam 42 and the pedestrian grille panel 3 through the connecting member 4, the platform will generate a large noise during the operation of the train, affecting the residents along the line. In order to solve the above problems, the present invention mainly adopts self-locking anti-loosening washers and matching screws to solve the problem of bolt loosening caused by vibration, and after the bolts are installed, the nuts and washers are marked to facilitate the inspection of the working status of the bolts during the maintenance process and timely maintenance; it can also effectively deal with the problem of inconsistent deformation of the left and right track beams 2 in the same span;

[0060] The bottoms of the two U-shaped bracket frames 411 are each provided with a drainage hole 415;

[0061] The drainage hole 415 is provided to drain rainwater.

[0062] See attached Figure 6 , shock absorbing layers 421 are provided at both ends of the cross beam 42, and mounting parts for mounting the grille panel 3 are provided on both sides of the top of the cross beam 42;

[0063] The vibration and noise generated by the track beam 2 are filtered by arranging a shock-absorbing layer 421 at the ends of the cross beam 42 and the connecting member 41, and the shock-absorbing layer 421 includes natural chloroprene rubber + tetrafluoroethylene slide plate;

[0064] By setting the mounting parts, it is convenient to detachably mount the grille panel 3 above the crossbeam 42 to form an evacuation passage;

[0065] The mounting member includes a T-shaped positioning plate 422 fixed to the top of the crossbeam 42, a U-shaped locking block 423 is slidably inserted inside the T-shaped positioning plate 422, and a fastening bolt 424 is provided on the U-shaped locking block 423, and four positioning openings 425 are opened on the edge of the grille panel 3;

[0066] The T-shaped positioning plate 422 is used to position the corners of two adjacent grille panels 3. The U-shaped locking block 423 is inserted to directly install the two groups of grille panels 3, and the installation stability is guaranteed. The U-shaped locking block 423 can be effectively prevented from loosening by the setting of the fastening bolt 424.

[0067] The opening of the positioning opening 425 facilitates the insertion of the end of the U-shaped locking block 423, further improving the stability of the installation of the grille panel 3;

[0068] Under the premise of meeting the functional requirements, materials are saved to reduce construction costs. According to the calculation results, the steel consumption of the evacuation platform for every 30m span of the present invention is about 10682kg, and the steel consumption per linear meter is 356.1kg / m. According to the collected data, the steel consumption of the 20m span platform of Chongqing Rail Transit Line 3 is about 16032kg, and the steel consumption per linear meter is about 801.6kg / m;

[0069] The steel consumption of the 25m span of Wuhu Line 1 reached about 19858.8kg / m, and the steel consumption per linear meter was about 794.4kg / m; the above three statistical data do not include the goods such as bolts, nuts, washers, and the engineering quantity of the top surface pad stone of the cap beam, bearings, etc. From the above data, it can be seen that the steel consumption per linear meter of the present invention is less than 1 / 2 of the existing evacuation platform, and the economic benefits are obvious;

[0070] The size and weight of each platform component are small, with low requirements for installation machinery, making construction convenient.

[0071] Embodiment 2: Based on embodiment 1, the difference is that;

[0072] See attached Figure 7 The bolt member 43 includes a bolt rod 431, a rotating sleeve 432 is rotatably sleeved on the outer surface of the bolt rod 431, and a nut 433 is threadedly mounted on one end of the bolt rod 431;

[0073] By setting the bolt member 43, the crossbeam 42 installed inside the U-shaped bracket frame 411 can be connected to ensure the stability of the installation of the crossbeam 42. By setting a rotating sleeve 432 on the outer surface of the bolt rod 431, it is convenient for the rotating sleeve 432 to move inside the hinge hole 416, thereby preventing the crossbeam 42 from shaking inside the U-shaped bracket frame 411, causing the nut 433 in the bolt member 43 to loosen.

[0074] Embodiment 3: Based on embodiment 1, the difference is that;

[0075] See attached Fig. 9 The leveling member 418 includes a movable groove opened at the bottom of the mounting plate 413, and the interior of the movable groove is rotatably connected to a rotating shaft 4181, and the outer surface of the rotating shaft 4181 is rotatably sleeved with a connecting block 4182, and the connecting block 4182 is fixed to the top of the reinforcing frame 412;

[0076] The top of the connecting block 4182 is rotatably connected to the bottom of the mounting plate 413 by a rotating shaft 4181, which not only facilitates the mounting plate 413 to fully contact the track beam 2, but also facilitates the mounting plate 413 to be installed at the bottom of the curved track beam 2, thereby better adapting to the working condition where the bottom of the curved track beam 2 is not horizontal, so that the walking platform is always in a horizontal state.

[0077] A hidden groove is provided on one side of the top of the reinforcing frame 412, and a locking block 4183 is slidably connected inside the hidden groove, and the locking block 4183 contacts the bottom of the mounting plate 413, and a threaded rod 4184 for adjusting the locking block 4183 up and down is threadedly connected on one side of the reinforcing frame 412;

[0078] By using a wrench to rotate the threaded rod 4184, the locking block 4183 can be driven to move up and down. By adjusting the locking block 4183 up and down, the mounting plate 413 in a horizontal or inclined state can be tightened, thereby ensuring the stability between the mounting plate 413 and the reinforcement frame 412, thereby enhancing the stability of the crossbeam and the grille panel 3.

[0079] Embodiment 4: Based on embodiment 1, the difference is that;

[0080] A pressure sensor is embedded in the top of the mounting plate 413, and the detection end of the pressure sensor protrudes slightly upwards and contacts the bottom of the track beam 2 to form a pressure triggering operation;

[0081] The inner side surfaces of the two track beams 2 are provided with alarms, and the alarms are connected to the pressure sensors in the existing connection method, so that when the fastening anchor rod 414 is loosened downward, the pressure sensor cannot form a trigger state, and the alarm can be used to sound an alarm, so that the staff can understand the specific location of the looseness during subsequent maintenance;

[0082] A wireless communication control box is installed on pier 1 to remotely transmit the alarm of the alarm, so that the staff can know it and carry out real-time inspection and maintenance.

[0083] It should be noted that the term "comprises" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article, or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0084] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An economical straddle-type monorail traffic evacuation platform, comprising two track beams (2) mounted and supported by a plurality of bridge piers (1), characterized in that: An evacuation mechanism is provided between the two track beams (2); The evacuation mechanism comprises a plurality of grid panels (3) and a plurality of connecting components (4), wherein the plurality of grid panels (3) are installed between two track beams (2) via the plurality of connecting components (4); The connecting member (4) comprises two connecting members (41), and the two connecting members (41) are respectively fixed to the bottom of two track beams (2), a cross beam (42) is installed between the two connecting members (41), and the grille panel (3) is detachably installed on the top of the cross beam (42).

2. An economical straddle-type monorail transportation evacuation platform according to claim 1, characterized in that: The connecting member (41) comprises a U-shaped bracket frame (411), one side of the U-shaped bracket frame (411) is fixedly connected to a reinforcement frame (412), a mounting plate (413) is provided on the top of the reinforcement frame (412) via a leveling member (418), and a plurality of fastening anchor rods (414) are installed on the mounting plate (413); A plurality of threaded sleeves are pre-buried at the bottom of the two track beams (2), and the fastening anchor rods (414) are used to be screwed and fixed inside the threaded sleeves.

3. An economical straddle-type monorail transportation evacuation platform according to claim 2, characterized in that: The two ends of the cross beam (42) are mounted inside the two U-shaped bracket frames (411), and the cross beam (42) is connected to the U-shaped bracket frames (411) via two bolts (43).

4. An economical straddle-type monorail transportation evacuation platform according to claim 3, characterized in that: Hinge holes (416) are provided at both ends of the crossbeam (42) and in a U-shaped bracket frame (411) of one of the connecting members (41), and a slot-shaped adjustment hole (417) is provided in the U-shaped bracket frame (411) of the other connecting member (41), and the two bolt members (43) are respectively inserted into the overlapping hinge holes (416) and slot-shaped adjustment holes (417); The bottoms of the two U-shaped bracket frames (411) are both provided with drainage holes (415).

5. An economical straddle-type monorail transportation evacuation platform according to claim 4, characterized in that: Both ends of the crossbeam (42) are provided with shock-absorbing layers (421), and both sides of the top of the crossbeam (42) are provided with mounting parts for mounting the grille panel (3); The mounting member comprises a T-shaped positioning plate (422) fixed to the top of the crossbeam (42), a U-shaped locking block (423) is slidably inserted inside the T-shaped positioning plate (422), and a fastening bolt (424) is provided on the U-shaped locking block (423), and four positioning openings (425) are opened on the edge of the grille panel (3).

6. An economical straddle-type monorail transportation evacuation platform according to claim 4, characterized in that: The bolt member (43) comprises a bolt rod (431), a rotating sleeve (432) is rotatably sleeved on the outer surface of the bolt rod (431), and a nut (433) is threadedly mounted on one end of the bolt rod (431).

7. An economical straddle-type monorail transportation evacuation platform according to claim 2, characterized in that: The leveling member (418) includes a movable groove opened at the bottom of the mounting plate (413), and the interior of the movable groove is rotatably connected to a rotating shaft (4181), and the outer surface of the rotating shaft (4181) is rotatably sleeved with a connecting block (4182), and the connecting block (4182) is fixed to the top of the reinforcing frame (412).

8. An economical straddle-type monorail transportation evacuation platform according to claim 7, characterized in that: A hidden groove is provided on one side of the top of the reinforcing frame (412), and a locking block (4183) is slidably connected inside the hidden groove, and the locking block (4183) is in contact with the bottom of the mounting plate (413), and a threaded rod (4184) for adjusting the locking block (4183) up and down is threadedly connected on one side of the reinforcing frame (412).

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