CN115354840B

CN115354840B - Movable field aerial work platform

Info

Publication number: CN115354840B
Application number: CN202211082526.XA
Authority: CN
Inventors: 周春蕾; 李福仲; 韩仲凯; 张钊; 张维杰; 崔魁; 牛景涛; 张立新; 安凯军
Original assignee: Water Resources Research Institute of Shandong Province
Current assignee: Water Resources Research Institute of Shandong Province
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2024-02-27
Anticipated expiration: 2042-09-06
Also published as: CN115354840A

Abstract

The invention relates to the technical field of aqueducts overhauling, in particular to a movable field aerial working platform. The novel steel wire net is characterized by comprising a sliding platform, wherein the sliding platform comprises two steel rails which are arranged in parallel, the two steel rails are respectively connected through a plurality of supporting beams, steel wire nets connected with the two steel rails are respectively arranged between the two adjacent supporting beams, travelling mechanisms are respectively arranged at two ends of the bottom of the two steel rails, and at least one group of overhaul frames are respectively and symmetrically arranged at the left end and the right end of the sliding platform. The platform is integrally rigidly connected, so that the influence of strong wind weather on inspection and maintenance reinforcement processes can be effectively reduced, the stability of the platform is effectively improved, the safety of inspection and maintenance reinforcement is improved, the platform can stably move on the aqueduct without frequent loading and unloading, the time and labor are saved, the construction period is greatly shortened, the inspection and maintenance reinforcement cost is reduced, the safety in the construction process is improved, and the problems in the prior art are solved.

Description

Movable field aerial work platform

Technical Field

The invention relates to the technical field of inspection, maintenance and reinforcement of aqueducts, in particular to a movable field aerial work platform.

Background

The aqueduct is also called an overhead canal and a water delivery bridge, and is a group of water delivery systems consisting of bridges, tunnels or ditches. Is usually erected on valleys, depressions and rivers for water passing, traffic and navigation, and is used for guiding the water at the far place to towns and rural areas with insufficient water quantity for drinking and irrigation. The aqueduct is mainly built by materials such as masonry, concrete, reinforced concrete and the like, and in the long-time use process, the aqueduct is easy to crack and expose ribs, and if inspection, maintenance and reinforcement are not performed in time, the probability of the aqueduct accident is multiplied.

At present, the tool used for inspecting and repairing and reinforcing the aqueduct is a scaffold, but the scaffold is troublesome to assemble and disassemble, the assembled scaffold cannot move along the aqueduct, the aqueduct spans a large span, and the aqueduct cannot be completely assembled outside the aqueduct, so that the aqueduct can only be inspected and repaired in a sectional manner, therefore, the scaffold is required to be assembled and disassembled frequently, the time and the labor are wasted, the inspection, repair and reinforcement cost and the construction difficulty are high, and the construction period is prolonged. The hanging rope hanging basket is also used for inspection, maintenance and reinforcement of the aqueduct, but the mode is greatly influenced by the environment, and especially in windy weather, the hanging basket is easy to shake in high-altitude operation, so that inspection, maintenance and reinforcement work is influenced, and life safety of constructors is threatened when serious. In addition, the outdoor working vehicle and the overhead working vehicle are used for inspection, maintenance and reinforcement of the aqueduct, but the engineering vehicles are limited by site conditions, are not easy to reach a construction site, are troublesome to move and are not beneficial to popularization.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a movable field high-altitude operation platform which is reasonable in structural design, and provides a larger operation space for constructors, so that the construction efficiency of the constructors is improved, and the construction difficulty is reduced; the platform is integrally rigidly connected, so that the influence of strong wind weather on inspection and maintenance reinforcement processes can be effectively reduced, the stability of the platform is effectively improved, the safety of inspection and maintenance reinforcement is improved, the platform can stably move on the aqueduct without frequent loading and unloading, the time and labor are saved, the construction period is greatly shortened, the inspection and maintenance reinforcement cost is reduced, the safety in the construction process is improved, and the problems in the prior art are solved.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a portable open-air aerial work platform, includes slide platform, slide platform includes two parallel arrangement's rail, and two rails link to each other through a plurality of supporting beams respectively, all are equipped with the wire net that links to each other with two rails between two adjacent supporting beams, are equipped with running gear respectively at two rail bottom both ends, and both ends symmetry are equipped with at least a set of maintenance frame respectively about slide platform.

Optionally, the maintenance frame is including setting up the vertical ladder in both sides around sliding platform respectively symmetry, is equipped with the gusset plate on vertical ladder upper portion, each vertical ladder all links to each other with corresponding one side rail through a plurality of bolt that sets up on the gusset plate, two vertical ladders link to each other at the connecting rod of its top left and right sides through the level setting, be equipped with the backup pad in two vertical ladder bottoms levels, be equipped with the protection network that links to each other with the backup pad on the lateral wall of two vertical ladders, be equipped with the joint pipe on each montant at two vertical ladder tops respectively vertically, be equipped with a plurality of locking hole along its direction of height interval on each joint pipe respectively, be equipped with respectively along its direction of height in each montant at two vertical ladder bottoms with corresponding joint pipe matched with joint groove, be equipped with a plurality of locking bolt along its direction of height interval respectively on each montant of corresponding joint groove position.

Optionally, still including the symmetry setting at the protection cage at both ends around the maintenance frame, the protection cage is cylindricly, uses the vertical ladder width as radius, uses the vertical ladder outside montant as the centre of a circle, uses the vertical ladder length to set up as the height respectively, both ends open the setting about the protection cage, are equipped with the transition board that links to each other with the backup pad in protection cage bottom, and vertical being equipped with in the backup pad that links to each other the position with the protection cage lateral wall is connected with the connecting rod division pole, division pole and the vertical ladder montant formation passageway of relative one side, the protection network is connected on the lateral wall of division pole.

Optionally, a baffle is arranged at the top of the protection cage corresponding to the position of the transition plate.

Optionally, two clamping pipes of the top layer set of overhaul frames are provided with fences, and the fences are arranged at the top opening of the protection cage.

Optionally, running gear is including the activity setting walking wheel in slide platform bottom four corners, all is equipped with the cassette on each walking wheel, the rail is "worker" style of calligraphy setting, be equipped with in the cassette with rail matched with protruding word recess, vertically be equipped with the limiting plate of hugging closely the vertical section of rail respectively on the cassette of both sides around protruding word recess, evenly be equipped with a plurality of spacing hole along its horizontal direction respectively on the rail of vertical section position, be equipped with a plurality of stop bolt on the cassette, each stop bolt level passes two limiting plates and passes from corresponding spacing downthehole.

Optionally, the device also comprises a clamping mechanism, wherein the clamping mechanism comprises transmission seats which are arranged at the center of the bottom of the sliding platform in parallel along the length direction of the steel rail, the transmission seats are arranged at the bottoms of the supporting beams, clamping grooves are formed in the middle of the transmission seats, a transmission rod horizontally penetrates through the transmission seats and is movably clamped in the clamping grooves of the transmission seats through driven wheels sleeved at the middle positions of the transmission seats, a motor is arranged at the bottom of the supporting beam close to one side of the clamping grooves, the motor is fixedly connected to the supporting beam through the motor clamping seats, a driving wheel is arranged on an output shaft of the motor, and a belt is wound on the driving wheel and the driven wheels; the transmission rod at the left end and the right end of the transmission seat is respectively provided with a threaded section, the rotation directions of the two threaded sections are opposite, the two threaded sections are respectively connected with a clamping piece in a threaded manner, and the end parts at the left end and the right end of the transmission rod are respectively provided with a protruding block.

Optionally, the clamping piece includes that the screw thread cover is established the removal seat on the transfer line, is equipped with the joint board in the vertical removal seat bottom, offers logical groove at the joint board middle part, and two clamping rollers respectively movable joint are in the logical inslot of joint board.

Optionally, the device further comprises a tank bottom maintenance mechanism, the tank bottom maintenance mechanism comprises a connecting frame arranged on the surface of the sliding platform, the rear ends of the supporting beams are respectively provided with a fixed plate connected with a rear steel rail, the fixed plates and the supporting beams form a supporting platform, the supporting platform is provided with a connecting groove matched with the connecting frame, the connecting frame comprises a connecting plate which is horizontally arranged, the front side and the rear side of the connecting plate are respectively vertically provided with guardrails, the left side and the right side of the surface of the connecting plate are respectively symmetrically provided with a fixing seat, the two fixing seats are respectively connected with a sliding clamping pull plate in a sliding manner, and the left end and the right end of each pull plate respectively penetrate out of the corresponding fixing seat to be connected with a limiting seat.

Optionally, be equipped with locking mechanism respectively in the backup pad of same group's maintenance frame, locking mechanism sets up the fixture block of both sides around the backup pad including the symmetry, but the movable joint of pulling plate is between two fixture blocks, sets up horizontal spout along the horizontal direction respectively on two fixture block lateral walls of opposite one side, is equipped with the vertical spout that is linked together with corresponding one side horizontal spout respectively at two fixture block tops, and the front and back both ends of a locking plate pass vertical spout respectively to sliding joint is in the horizontal spout of two fixture blocks.

The invention adopts the technical proposal and has the advantages that: the structure design is reasonable, and the platform provides a larger operation space for constructors, so that the construction efficiency of the constructors is improved, and the construction difficulty is reduced; the platform is integrally rigidly connected, so that the influence of strong wind weather on inspection and maintenance reinforcement processes can be effectively reduced, the stability of the platform is effectively improved, the safety of inspection and maintenance reinforcement is improved, the platform can stably move on the aqueduct without frequent loading and unloading, time and labor are saved, the construction period is greatly shortened, the inspection and maintenance reinforcement cost is reduced, and the safety in the construction process is improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the bottom structure of the service rack of FIG. 1 with the service rack removed;

FIG. 3 is a schematic perspective view of a sliding platform and a transmission seat;

FIG. 4 is a schematic perspective view of an inspection rack;

FIG. 5 is a schematic perspective view of a transmission rod and a motor;

FIG. 6 is a schematic perspective view of a tank bottom maintenance mechanism;

FIG. 7 is a schematic perspective view of a clip;

FIG. 8 is a schematic perspective view of a running gear;

in the figure, 1, a steel rail; 2. a support beam; 3. a steel wire mesh; 4. erecting a ladder; 401. a vertical rod; 5. a reinforcing plate; 6. a bolt; 7. a connecting rod; 8. a support plate; 9. a protective net; 10. a clamping pipe; 11. a locking hole; 12. a clamping groove; 13. a locking bolt; 14. a protective cage; 15. a transition plate; 16. a partition rod; 17. a baffle; 18. a fence; 19. a walking wheel; 20. a clamping seat; 21. a convex character groove; 22. a limiting plate; 23. a limiting hole; 24. a limit bolt; 25. a transmission seat; 26. a clamping groove; 27. a transmission rod; 28. driven wheel; 29. a motor; 30. a motor clamping seat; 31. a driving wheel; 32. a belt; 33. a threaded section; 34. a bump; 35. a movable seat; 36. a clamping plate; 37. a through groove; 38. a clamping roller; 39. a fixing plate; 40. a connection groove; 41. a connecting plate; 42. guard bars; 43. a fixing seat; 44. a drawing plate; 45. a limit seat; 46. a clamping block; 47. a horizontal chute; 48. a vertical chute; 49. and a locking plate.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," etc. indicate or refer to an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1-8, in this embodiment, a movable field aerial working platform includes a sliding platform, where the sliding platform includes two parallel rails 1, two rails 1 are connected through a plurality of supporting beams 2, steel wire meshes 3 connected with two rails 1 are all disposed between two adjacent supporting beams 2, travelling mechanisms are respectively disposed at two ends of the bottom of two rails 1, and at least one group of maintenance frames are symmetrically disposed at left and right ends of the sliding platform.

Optionally, the maintenance frame includes the vertical ladder 4 of symmetry setting in slide platform front and back both sides respectively, is equipped with gusset plate 5 on vertical ladder 4 upper portion, each vertical ladder 4 all links to each other with corresponding one side rail 1 through a plurality of bolt 6 that sets up on gusset plate 5, two vertical ladders 4 link to each other through connecting rod 7 that the level set up in its top left and right sides, be equipped with backup pad 8 in two vertical ladder 4 bottoms level, be equipped with the protection network 9 that links to each other with backup pad 8 on the lateral wall of two vertical ladders 4, vertically be equipped with joint pipe 10 respectively on each montant 401 at two vertical ladder 4 tops, be equipped with a plurality of locking hole 11 along its direction of height interval respectively on each joint pipe 10, be equipped with respectively along its direction of height with corresponding joint pipe 10 matched with joint groove 12 in each montant 401 at two vertical ladder 4 bottoms, be equipped with a plurality of locking bolt 13 along its direction interval respectively on each montant 401 of corresponding joint groove 12 positions.

Optionally, the protection cage 14 is cylindrical, the width of the vertical ladder 4 is taken as the radius, the outer side vertical rod 401 of the vertical ladder 4 is taken as the center, the length of the vertical ladder 4 is taken as the height, the upper end and the lower end of the protection cage 14 are arranged in an open mode, the bottom of the protection cage 14 is provided with a transition plate 15 connected with a support plate 8, the support plate 8 at the position connected with the side wall of the protection cage 14 is vertically provided with a separation rod 16 connected with a connecting rod 7, the separation rod 16 forms a channel with the vertical rod 401 of the vertical ladder 4 at the opposite side, and the protection net 9 is connected with the side wall of the separation rod 16. When two groups of maintenance frames exist, constructors can enter the supporting plate 8 through the protection cage 14, and the protection effect on the high-altitude climbing vertical ladder 4 is achieved.

Optionally, a baffle 17 is provided on top of the shielding cage 14 in a position corresponding to the transition plate 15. Can provide a reliable fulcrum for constructors to climb conveniently when entering the protective cage 14.

Optionally, rails 18 are provided on two bayonet tubes 10 of the top set of service racks, the rails 18 being disposed at the top opening of the protective cage 14. The constructors are effectively protected through the fence 18, and the safety is further improved.

Optionally, the running gear includes the walking wheel 19 of activity setting in slide platform bottom four corners, all is equipped with cassette 20 on each walking wheel 19, rail 1 is "worker" style of calligraphy setting, be equipped with in cassette 20 with rail 1 matched with protruding word recess 21, vertically be equipped with respectively on the cassette 20 of both sides around protruding word recess 21 hugs closely rail 1 vertical section limiting plate 22, evenly be spaced along its horizontal direction respectively on rail 1 of vertical section position and be equipped with a plurality of spacing hole 23, be equipped with a plurality of spacing bolt 24 on cassette 20, each spacing bolt 24 level passes two limiting plates 22 and passes from corresponding spacing hole 23 in.

Optionally, the device also comprises a clamping mechanism, wherein the clamping mechanism comprises transmission seats 25 which are arranged at the center of the bottom of the sliding platform in parallel along the length direction of the steel rail 1, the transmission seats 25 are arranged at the bottoms of the supporting beams 2, clamping grooves 26 are formed in the middle of the transmission seats 25, a transmission rod 27 horizontally penetrates through the transmission seats 25 and is movably clamped in the clamping grooves 26 of the transmission seats 25 through driven wheels 28 sleeved at the middle positions of the transmission rod 27, a motor 29 is arranged at the bottom of the supporting beam 2 close to one side of the clamping grooves 26, the motor 29 is fixedly connected to the supporting beam 2 through a motor clamping seat 30, a transmission wheel 31 is arranged on an output shaft of the motor 29, and a belt 32 is wound on the transmission wheel 31 and the driven wheels 28; the transmission rod 27 at the left end and the right end of the transmission seat 25 is respectively provided with a thread section 33, the rotation directions of the two thread sections 33 are opposite, the two thread sections 33 are respectively connected with a clamping piece in a threaded manner, and the end parts at the left end and the right end of the transmission rod 27 are respectively provided with a lug 34. The maintenance frame arranged on the left side and the right side of the sliding platform is not only attached to the side wall of the aqueduct, but also has a certain space, so that on one hand, the sliding platform can slide on the aqueduct conveniently, and on the other hand, the clamping function of the sliding platform in the moving process is realized, and the deviation is prevented.

Optionally, the clamping piece comprises a movable seat 35 sleeved on the transmission rod 27 by threads, a clamping plate 36 is vertically arranged at the bottom of the movable seat 35, a through groove 37 is formed in the middle of the clamping plate 36, and two clamping rollers 38 are respectively movably clamped in the through groove 37 of the clamping plate 36.

Optionally, the device further comprises a tank bottom maintenance mechanism, the tank bottom maintenance mechanism comprises a connecting frame arranged on the surface of the sliding platform, the rear end of each supporting beam 2 is respectively provided with a fixing plate 39 connected with the rear side steel rail 1, each fixing plate 39 and the supporting beam 2 form a supporting platform, the supporting platform is provided with a connecting groove 40 matched with the connecting frame, the connecting frame comprises connecting plates 41 which are horizontally arranged, guardrails 42 are vertically arranged on the front side and the rear side of the connecting plates 41 respectively, the left side and the right side of the surface of the connecting plates 41 are symmetrically provided with fixing seats 43 respectively, sliding clamping pull plates 44 are respectively arranged in the two fixing seats 43, and the left end and the right end of each pull plate 44 respectively penetrate out of the corresponding fixing seat 43 to be connected with a limiting seat 45.

Optionally, locking mechanisms are respectively arranged on the supporting plates 8 of the same group of maintenance frames, the locking mechanisms comprise clamping blocks 46 symmetrically arranged on the front side and the rear side of the supporting plates 8, the drawing plate 44 is movably clamped between the two clamping blocks 46, horizontal sliding grooves 47 are respectively formed in the side walls of the two clamping blocks 46 on the opposite sides along the horizontal direction, vertical sliding grooves 48 which are respectively communicated with the horizontal sliding grooves 47 on the corresponding sides are respectively arranged at the tops of the two clamping blocks 26, and the front end and the rear end of one locking plate 49 respectively penetrate through the vertical sliding grooves 48 and are slidably clamped in the horizontal sliding grooves 47 of the two clamping blocks 46.

Before the device is used, the device is installed, two steel rails 1 are spanned on the aqueduct, and the position of the travelling mechanism is adjusted according to the width of the aqueduct, so that the travelling mechanism is ensured to slide on the aqueduct. And (3) extracting each limit bolt 24 on the clamping seat 20, pushing the clamping seat 20 to slide on the steel rail 1, and screwing the limit bolts 24 after the position is determined. And then, according to the depth of the aqueduct, different groups of overhaul frames are selected so as to ensure that each overhaul frame can cover the side wall of the aqueduct. If two groups of maintenance frames are required to be installed, the clamping grooves 12 at the bottoms of the two vertical ladders of the upper-layer maintenance frame can be respectively clamped with the clamping pipes 10 at the tops of the two vertical ladders of the lower-layer home vacation, so that each clamping pipe 10 is respectively clamped into the clamping groove 12, and then each locking bolt 13 is used for respectively fixing the clamping pipe 10 with the vertical ladder 4. And next, fixedly connecting the reinforcing plate 5 of the upper maintenance frame on the steel rail 1 by using the bolts 6, and thus completing the assembly of the maintenance frame and the sliding platform. Finally, the clamping mechanism plays a role in limiting the movement of the sliding platform, so that the position of the sliding platform does not deviate when the sliding platform moves on the aqueduct. Through starting the motor 29 to work, the motor 29 drives the driven wheel 28 to rotate through the driving wheel 31 and the belt 32, so that the driving rod 27 rotates radially, and the two clamping pieces which are connected with the threaded section 33 of the driving rod 27 in a threaded manner move towards opposite directions along with the continuous rotation of the driving rod 27, so as to form clamping potential until the clamping roller 38 of the clamping plate 36 abuts against the side wall of the aqueduct (the clamping pieces rotate along with the rotation of the driving rod 27 mainly because of the dead weight, and the gravity center of the clamping roller is always at the bottom of the clamping plate 36). At the moment, the movement of the sliding platform is not influenced, the clamping function is also realized when the sliding platform moves, and the deviation is prevented.

When the maintenance frame only has a set of construction, constructors can enter the supporting plate 8 through climbing the vertical ladder 4, can carefully observe the side wall of the aqueduct, and can carry out inspection, maintenance and reinforcement on the aqueduct. If there are multiple groups of maintenance frames, the maintenance frames can enter the protection cage from the channel formed by the first group of maintenance frame separation rods 16 and the vertical ladder 4 at the same side, move to one side of the vertical ladder 4 through the transition plate 15, then move downwards to the next layer of maintenance frames, and enter the support plates 8 from the lower layer of transition plate 15. The climbing protection for constructors is provided.

When inspection, maintenance and reinforcement are required to be carried out on the bottom of the aqueduct, the connecting frame on the sliding platform can be prevented from being taken down, the two pulling plates 44 are pushed to be pulled out outwards in the fixing seat 43 on the corresponding side, the pulled-out pulling plates 44 are clamped between the two clamping blocks 46 on the corresponding side, the limiting seats 45 at the outer ends are clamped outside the two clamping blocks 46, finally, the locking plates 49 are clamped downwards from the vertical sliding grooves 48 of the clamping blocks 46, the locking plates 49 are pushed along the horizontal sliding grooves 47, the locking plates 49 are tightly attached to the surface of the pulling plates 44, the effect of fixing the pulling plates 44 is further achieved, and meanwhile, the connecting frame is supported on the supporting plates 8 of the maintenance frames on the two sides more stably. The platform has reasonable structural design, and provides a larger operation space for constructors, so that the construction efficiency of the constructors is improved, and the construction difficulty is reduced; the platform is integrally connected in a rigid way, so that the influence of strong wind weather on the inspection, maintenance and reinforcement processes can be effectively reduced, the overall stability of the platform is effectively improved, normal inspection, maintenance and reinforcement work of constructors is ensured, the platform can stably move on the aqueduct without frequent loading and unloading, and the platform is also suitable for the fields of opening and closing a machine room and the like.

The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention and are intended to be within the scope of the appended claims and description; any alternative modifications or variations to the embodiments of the present invention will fall within the scope of the present invention for those skilled in the art.

The present invention is not described in detail in the present application, and is well known to those skilled in the art.

Claims

1. The movable field aerial work platform is characterized by comprising a sliding platform, wherein the sliding platform comprises two steel rails which are arranged in parallel, the two steel rails are respectively connected through a plurality of supporting beams, steel wire nets connected with the two steel rails are respectively arranged between the two adjacent supporting beams, travelling mechanisms are respectively arranged at two ends of the bottoms of the two steel rails, and at least one group of overhaul frames are respectively symmetrically arranged at the left end and the right end of the sliding platform; still include tank bottom maintenance mechanism, tank bottom maintenance mechanism is equipped with the fixed plate that links to each other with the rear side rail respectively including setting up the link at sliding platform surface at the rear end of each supporting beam, and each fixed plate constitutes supporting platform with supporting beam, be equipped with on supporting platform with link matched with spread rail's spread groove, the link is including the connecting plate that the level set up, and both sides are vertical respectively to be equipped with the guardrail around the connecting plate, and the symmetry is equipped with the fixing base respectively on connecting plate surface left and right sides, and slip joint pull board respectively in two fixing bases, the fixing base that corresponds is worn out respectively at the left and right sides of each pull board links to each other with spacing seat.

2. The movable field aerial working platform according to claim 1, wherein the overhaul frame comprises vertical ladders which are respectively and symmetrically arranged on the front side and the rear side of the sliding platform, a reinforcing plate is arranged on the upper portion of each vertical ladder, each vertical ladder is connected with a corresponding side steel rail through a plurality of bolts arranged on the reinforcing plate, two vertical ladders are connected with each other through connecting rods horizontally arranged on the left side and the right side of the top of each vertical ladder, a supporting plate is horizontally arranged at the bottom of each vertical ladder, a protective net connected with the supporting plate is arranged on the outer side wall of each vertical ladder, clamping pipes are respectively and vertically arranged on each vertical rod at the top of each vertical ladder, a plurality of locking holes are respectively arranged on each clamping pipe at intervals along the height direction of each vertical rod at the bottom of each vertical ladder, a clamping groove matched with the corresponding clamping pipe is respectively arranged in each vertical rod at the bottom of each vertical rod at the position of each clamping groove, and a plurality of locking bolts are respectively arranged at intervals along the height direction of each vertical rod at the position of the corresponding clamping groove.

3. The movable field aerial working platform of claim 2, further comprising protection cages symmetrically arranged at the front end and the rear end of the overhaul frame, wherein the protection cages are cylindrical, the width of each vertical ladder is taken as the radius, the vertical rods at the outer sides of the vertical ladders are taken as the circle centers, the length of each vertical ladder is taken as the height, the upper end and the lower end of each protection cage are arranged in an open mode, transition plates connected with support plates are arranged at the bottoms of the protection cages, partition rods connected with connecting rods are vertically arranged on the support plates at positions connected with the side walls of the protection cages, channels are formed between the partition rods and the vertical ladder vertical rods at the opposite sides of the partition rods, and the protection nets are connected to the side walls of the partition rods.

4. A movable field aloft work platform according to claim 3, wherein a baffle is provided on top of the protective cage corresponding to the position of the transition plate.

5. A mobile field aloft work platform according to claim 3, wherein a rail is provided on two bayonet tubes of the top deck set of service racks, said rail being provided at the top opening of the protective cage.

6. The movable field aerial working platform according to claim 1, wherein the travelling mechanism comprises travelling wheels movably arranged at four corners of the bottom of the sliding platform, clamping seats are arranged on the travelling wheels, the steel rail is in an I-shaped structure, protruding word grooves matched with the steel rail are arranged in the clamping seats, limiting plates which are closely attached to the vertical sections of the steel rail are vertically arranged on the clamping seats on the front side and the rear side of the protruding word grooves respectively, a plurality of limiting holes are uniformly arranged on the steel rail in the vertical section at intervals along the horizontal direction of the steel rail respectively, a plurality of limiting bolts are arranged on the clamping seats, and each limiting bolt horizontally penetrates through the two limiting plates and penetrates through the corresponding limiting holes.

7. The movable field aerial working platform according to claim 1, further comprising a clamping mechanism, wherein the clamping mechanism comprises transmission seats which are arranged at the center of the bottom of the sliding platform in parallel along the length direction of the steel rail, the transmission seats are arranged at the bottoms of the support beams, clamping grooves are formed in the middle of the transmission seats, a transmission rod horizontally penetrates through the transmission seats and is movably clamped in the clamping grooves of the transmission seats through driven wheels sleeved at the middle positions of the transmission rods, a motor is arranged at the bottoms of the support beams close to one side of the clamping grooves, the motor is fixedly connected to the support beams through the motor clamping seats, a transmission wheel is arranged on an output shaft of the motor, and a belt is wound on the transmission wheel and the driven wheels; the transmission rod at the left end and the right end of the transmission seat is respectively provided with a threaded section, the rotation directions of the two threaded sections are opposite, the two threaded sections are respectively connected with a clamping piece in a threaded manner, and the end parts at the left end and the right end of the transmission rod are respectively provided with a protruding block.

8. The movable field aerial work platform of claim 7, wherein the clamping piece comprises a movable seat which is sleeved on the transmission rod through threads, the bottom of the movable seat is vertically provided with a clamping plate, the middle of the clamping plate is provided with a through groove, and the two clamping rollers are respectively movably clamped in the through groove of the clamping plate.

9. The movable field aerial work platform of claim 1, wherein locking mechanisms are respectively arranged on the supporting plates of the same group of maintenance frames, the locking mechanisms comprise clamping blocks symmetrically arranged on the front side and the rear side of the supporting plates, the drawing plates are movably clamped between the two clamping blocks, horizontal sliding grooves are respectively formed in the side walls of the two clamping blocks on the opposite sides along the horizontal direction, vertical sliding grooves communicated with the horizontal sliding grooves on the corresponding sides are respectively formed in the tops of the two clamping blocks, and the front end and the rear end of one locking plate respectively penetrate through the vertical sliding grooves and are slidably clamped in the horizontal sliding grooves of the two clamping blocks.