CN106476671B

CN106476671B - Police climbing assault car

Info

Publication number: CN106476671B
Application number: CN201611212477.1A
Authority: CN
Inventors: 谭飞; 房彦峰; 丛浩; 梁程; 王晓
Original assignee: Weihai Guangtai Airport Equipment Co Ltd
Current assignee: Weihai Guangtai Airport Equipment Co Ltd
Priority date: 2016-12-25
Filing date: 2016-12-25
Publication date: 2023-07-28
Anticipated expiration: 2036-12-25
Also published as: CN106476671A

Abstract

The invention discloses a police climbing assault vehicle, which comprises an automobile chassis, an upper truss and hydraulic support legs, wherein a cab and a control system are arranged on the automobile chassis, and the cab is internally provided with a vehicle-mounted control system.

Description

Police climbing assault car

Technical Field

The invention relates to the technical field of assault equipment for police, in particular to a climbing assault car for police.

Background

At present, an alert climbing assault vehicle is generally provided with an upper truss on an automobile chassis, a climbing ladder frame capable of pitching and stretching is arranged on the upper truss, for example, chinese patent CN201173085Y discloses an anti-terrorism climbing assault vehicle, a member carrying cabin is arranged on the chassis of the anti-terrorism climbing assault vehicle, a carrier working platform is arranged at the top of the member carrying cabin and is composed of a front-end lifting ladder and a rear-end fixed platform, the lifting ladder is connected with a telescopic oil cylinder, the telescopic oil cylinder is connected with a hydraulic control system, the hydraulic control system is arranged on the chassis, side climbing ladders are respectively arranged on two sides of the rear side of the carrier working platform, and a rear-end climbing ladder is arranged at the rear end of the carrier working platform, so that the structure is substantially insufficient: firstly, the elevator of the loading part and the auxiliary mechanism load capacity of the elevator are mostly carried by the front axle of the chassis, and the arrangement structure does not accord with the general use rules of the two-class automobile chassis, namely: the front axle is responsible for steering and controlling

The bearing capacity is weak; the rear axle is responsible for driving and carrying, has strong bearing capacity, and ensures that the front axle of the chassis is overloaded and even overweight, thereby influencing the running performance and the safety performance of the vehicle; secondly, because the front axle has limited supporting force and is flexibly supported by springs, the stability of the upper mounting structure is poor, particularly, a plurality of special police fighters pass through the front axle at the same time in a practical combat state, the overall working state of the vehicle is influenced, and even the potential safety hazard of high-altitude falling exists; thirdly, the climbing height and the pitching angle of the whole vehicle are fixed, and the requirement of a special police team member for initiating the submachine at different heights is difficult to meet.

Aiming at the second disadvantage, chinese patent CN1730373A discloses a multifunctional assault truss applied to a vehicle, which comprises a lifting assault platform with an upper truss as the front part and a tactical platform at the rear part, wherein an anti-slip floor is paved on the running surface of the multifunctional assault truss, the lifting assault platform comprises a lifting slope driven by a power component to rotate and lift and an extending slope installed in the lifting slope and stretching along the lifting slope, the assault truss is connected with a chassis connecting piece and a vehicle body, the lifting slope of the climbing device is installed on fixed trusses on two sides through a rotating shaft, the power component is a T-shaped triangular lifting mechanism, the extending slope is installed in the lifting slope and driven by a bidirectional flat pushing cylinder, the maximum slope of the lifting slope and the extending slope is 37 degrees, and the chassis connection is fixed by adopting a bolt-free rectangular pipe for drawing, and the multifunctional assault truss is characterized in that: firstly, a lifting assault platform at the front part causes the front axle of the chassis to be overloaded, and influences the running performance of the vehicle; secondly, because the lower end of the upper truss is supported by the support legs, no reinforcement measures are arranged between the adjacent support legs, the upper truss is easy to incline in the fight process, and is fixed on the chassis of the vehicle body by the support legs, when the front end of the chassis is suddenly added with weight, the chassis can tilt forwards and shake to different degrees, and the safety of fighters on the upper truss is influenced.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provide the police climbing assault vehicle which is novel in structure, higher in maximum climbing height, symmetrical in axle load distribution, flexible in operation, quick in operation, safe in use, stable and reliable.

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

the utility model provides an alert climbing assault car, includes vehicle chassis, upper truss and hydraulic pressure landing leg, be equipped with driver's cabin and control system on the vehicle chassis, be equipped with on-vehicle control system in the driver's cabin, characterized by be equipped with truss front end truss and truss rear support leg between vehicle chassis and the upper truss, vehicle chassis front end is equipped with the front end and bumps the crossbeam, and the rear end left and right sides is equipped with back hydraulic pressure landing leg respectively, front end bump crossbeam left and right sides is equipped with front hydraulic pressure landing leg respectively, front hydraulic pressure landing leg and back hydraulic pressure landing leg are controlled through control system respectively, the truss front support leg comprises front support crossbeam, front mount pad, front diagonal brace and front landing leg, the truss rear support leg comprises back support crossbeam, back mount pad, back diagonal brace and back landing leg, the upper truss lower extreme and the front support crossbeam fixed connection of the upper truss lower extreme and the back support crossbeam of rear end top, front support crossbeam left and right side lower extreme and front cross connection respectively, front support crossbeam lower extreme and front support leg fixed connection is through the front support pad fixed connection on the front support pad side of vehicle chassis; the left side lower extreme and the right side lower extreme of back supporting beam respectively with back landing leg alternately fixed connection, back landing leg lower extreme and the back mount pad fixed at the chassis side of car are fixed, not only solved anterior lift assault platform and made chassis front axle load overweight, influence the travelling performance of vehicle, moreover, still solved not having strengthening measure between the adjacent landing leg of upper-mounted truss lower extreme, make upper-mounted truss produce the slope in the fight in-process easily, lead to the use security performance poor, and, because the landing leg is fixed on the automobile body chassis, when chassis front end suddenly adds weight, can lead to the forward lean of chassis different degree to rock, the substantial technical problem of fighter's safety on the upper-mounted truss has been influenced.

The upper truss is composed of a truss main body, an arm support moving driving device and a moving telescopic ladder frame system, wherein the truss main body comprises a side tactical platform and a middle tactical platform, the two sides of the middle tactical platform are respectively provided with the side tactical platform, the front ends of the side tactical platforms are fixedly connected through a connecting support, the rear ends of the side tactical platforms are fixedly connected through the middle tactical platform, a moving telescopic ladder frame system is arranged between the side tactical platform and the middle tactical platform, the moving telescopic ladder frame system is driven by the arm support moving driving device, the side tactical platforms are formed by mutually and fixedly connecting cross beams and stringers, the moving telescopic ladder frame system comprises a ladder frame supporting seat, a ladder frame moving platform, an oil cylinder hinging seat, a ladder frame amplitude changing oil cylinder, a composite telescopic ladder frame, a top tactical platform, an arm support telescopic oil cylinder and a cantilever crane hinging shaft, the driving chain wheel, a driving motor, chain wheels and moving platform rollers, moving guide rails are longitudinally correspondingly arranged on the inner sides of the side longitudinal beams of the side tactical platforms on the two sides of the truss main body, a driven shaft is arranged in front of the moving guide rail, the moving rail is arranged, the moving rail is rotatably connected with the driving shaft through the driving support, the driving chain wheels are fixedly connected with the driving shafts on the two ends of the driving shafts, the driving chain wheels are rotatably connected with the driving shafts on the driving shafts, the moving platform are rotatably arranged on the moving carrier, the moving rails are respectively, and the moving rails are rotatably connected with the driving shafts are rotatably arranged on the two ends of the driving shafts respectively, the driving sprocket drives the ladder frame moving platform to move forwards or backwards along the moving guide rail through the driving chain and the redirecting sprocket, the lower end of the composite telescopic ladder frame is connected with the ladder frame moving platform through the ladder frame amplitude changing oil cylinder and the hinge shaft, the upper end of the composite telescopic ladder frame is connected with the top tactical platform through the tactical platform adjusting device, and the tactical platform adjusting device and the ladder frame amplitude changing oil cylinder are respectively controlled by the control system, so that the effect of automatically adjusting the levelness of the top tactical platform according to the telescopic quantity of the ladder frame amplitude changing oil cylinder and through the platform adjusting device is achieved, and the composite telescopic ladder frame has the effects of high telescopic speed and stable performance.

The combined type telescopic ladder frame comprises a first-stage telescopic frame, a second-stage telescopic frame, a third-stage telescopic frame and a synchronous telescopic mechanism, wherein the first-stage telescopic frame is connected with the second-stage telescopic frame in a sliding manner, the third-stage telescopic frame is connected with the second-stage telescopic frame in a sliding manner, the first-stage telescopic frame, the second-stage telescopic frame and the third-stage telescopic frame are connected through the synchronous telescopic mechanism, the upper end of the third-stage telescopic frame is connected with a top tactical platform through a tactical platform adjusting device, the tactical platform adjusting device is connected with a control system, when the tactical platform adjusting device is required to be stretched, the second-stage telescopic frame is driven by an arm support telescopic cylinder, the third-stage telescopic frame is driven to move and stretch relative to the first-stage telescopic frame under the action of the synchronous telescopic mechanism, and the arm support synchronous telescopic mechanism, the tactical platform adjusting device and a ladder frame amplitude-changing cylinder are controlled by the control system respectively, so that the functions of high stretching speed and stable performance are achieved.

The invention relates to a primary expansion bracket, which comprises a primary ladder frame formed by a primary ladder frame main longitudinal beam and a primary ladder frame connecting beam, a primary bracket slideway and a primary bracket beam, wherein the lower end of the primary ladder frame is fixedly connected with a primary cantilever crane below through a connecting seat, a primary guide hole is arranged in the center of the connecting seat, the secondary expansion bracket comprises a secondary ladder frame formed by a secondary cantilever frame main longitudinal beam and a secondary cantilever crane connecting beam, a secondary cantilever crane formed by a secondary bracket slideway and a secondary bracket beam, a secondary connecting seat and a secondary sliding block, the tertiary expansion bracket comprises a tertiary ladder frame formed by a tertiary cantilever crane main longitudinal beam and a tertiary cantilever crane connecting beam, a tertiary cantilever crane formed by a tertiary bracket slideway and a tertiary bracket beam and a tertiary sliding block, the synchronous expansion mechanism comprises an upper chain (steel wire rope), a lower chain (steel wire rope), a front pulley and a rear pulley, the second-stage ladder frame is positioned above the first-stage ladder frame, the second-stage cantilever crane is positioned between the first-stage ladder frame and the first-stage cantilever frame, a second-stage bracket slideway of the second-stage cantilever frame is connected with the first-stage guide hole in a penetrating way, the upper end of the second-stage cantilever frame is fixedly connected with the second-stage ladder frame through a second-stage connecting seat, the lower end of the second-stage cantilever frame is fixedly connected with the second-stage cantilever frame through a second-stage sliding block, a third-stage connecting seat is arranged at the upper part of the rear front end of the second-stage cantilever frame in the second-stage cantilever frame, a front pulley is arranged at the lower part of the rear end of the second-stage cantilever frame, a second-stage sliding block is arranged at the lower end of the rear part of the second-stage cantilever frame main longitudinal beam, the second-stage sliding block is in sliding connection with the first-stage bracket slideway, the lower end of the third-stage main longitudinal beam is fixedly connected with the third-stage cantilever frame through a third-stage connecting seat, the main longitudinal beam of the three-stage arm support in the three-stage ladder frame passes through a second-stage guide hole arranged on a three-stage connecting seat, the lower end of the rear part is fixedly connected with a three-stage sliding block, and the front end of the main longitudinal beam passes through tactics

The platform adjusting device is connected with the tactical platform, the tertiary slider is connected with the second grade bracket slide sliding connection, the chain (wire rope) bypasses preceding pulley and the back pulley on the second grade bracket slide, one end and tertiary bracket slide rear end fixed connection, the other end and one-level bracket slide front end fixed connection make one-level expansion bracket, second grade expansion bracket and tertiary expansion bracket reach synchronous flexible purpose.

According to the invention, the ladder frame telescopic travel sensor is arranged on one side of the upper end of the primary ladder frame, the ladder frame pitching angle sensor is arranged on the movable platform on one side of the lower end of the primary ladder frame, and the ladder frame telescopic travel sensor and the ladder frame pitching angle sensor are respectively controlled by the control system so as to be beneficial to uploading information detected by the ladder frame telescopic travel sensor and the ladder frame pitching angle sensor to the control system, and the control system instructs the tactical platform adjusting device to act, so that the tactical platform is automatically controlled to be always in a horizontal position, and the rapid battle of an assault player is ensured.

The invention can be hinged with the turnover pedal at the front end of the middle tactical platform, so as to be beneficial to providing a movement space for the movable telescopic ladder rack system.

According to the invention, the overturning guardrails and the tactical side sliding rails are respectively arranged on the two sides of the upper truss from inside to outside in sequence, the inner sides of the overturning guardrails are hinged with the side tactical platform through hinge shafts, and when the overturning guardrails are erected, the overturning guardrails are fixedly connected with the side tactical platform through positioning pins so as to be beneficial to preventing assault teammates on the side tactical platform from falling, and the tactical side sliding rails can be used for being connected with tactical ladders so as to be beneficial to realizing climbing actions to the side face of a vehicle body.

The invention can respectively provide the front tactical ladder hooks at the two sides of the front end of the upper truss, and the rear tactical ladder hooks are respectively arranged at the two sides of the rear end of the upper truss, so that the upper truss can be used for fixing tactical ladders, and the assault team member can quickly climb onto the side tactical platform on the upper truss from the front or rear of the whole truss from the ground.

The invention can be provided with the warning lamp at the front end of the upper truss so as to be beneficial to warning and outline indication.

The invention can be provided with the anti-skid pedal on the upper end surfaces of the middle tactical platform and the side tactical platform, so as to be beneficial to preventing the assault team member from skidding on the sole when stepping on the side tactical platform.

The invention can respectively hinge the two sides of the rear trailer to turn over the passenger seats so as to achieve the effect of conveniently carrying personnel or weapons.

The front end of the ladder frame moving platform can be provided with the ladder frame supporting seat so as to be beneficial to supporting and moving the telescopic ladder frame system.

The control system comprises an electric control system and a hydraulic control system, wherein the hydraulic control system is controlled by the electric control system, the electric control system is controlled by a logic controller, and the logic controller adopts imf CR0401; the hydraulic control system comprises a power unit, wherein the power unit can be a motor, and can also adopt an internal combustion engine, a hydraulic oil tank, a hydraulic pump, an emergency manual hydraulic pump, a motor driving oil way, a landing leg control oil way, a ladder frame amplitude control oil way, a ladder frame telescopic control oil way and a terminal tactical platform amplitude control oil way, the motor driving oil way is provided with a driving motor, a control valve I and a throttle valve, and a front landing leg oil cylinder, a hydraulic lock, a control valve II and a throttle valve on the landing leg control oil way; the hydraulic control system comprises a rear landing leg oil cylinder, a hydraulic lock, a control valve II and a throttle valve, wherein a landing leg amplitude control oil circuit is provided with a landing leg amplitude oil cylinder, a throttle valve, a control valve IV, a control valve V and a hydraulic lock, a landing leg telescopic control oil circuit is provided with a landing leg telescopic oil cylinder, a hydraulic lock and a control valve VI, an amplitude oil cylinder, a hydraulic lock, a control valve VII and a throttle valve VIII are arranged on a terminal tactical platform amplitude control oil circuit, the power unit drives a hydraulic pump to provide high-pressure oil for the hydraulic control system, the hydraulic oil tank is responsible for the oil storage and heat dissipation functions of the whole system, and the motor drive oil circuit, a landing leg control oil circuit, a landing leg amplitude control oil circuit, a landing leg telescopic control oil circuit and the high-pressure oil circuit of the terminal tactical platform amplitude control oil circuit are all from the hydraulic pump, wherein the high-pressure oil from the hydraulic pump enters a drive motor oil inlet pipeline after passing through the control valve I and the throttle valve, flows back to the hydraulic oil tank after passing through the control valve I, and the motor drive oil circuit mainly has the function of controlling the drive motor to complete forward and backward movement, so that the landing leg or the movement of a landing leg is completed after the landing leg moves; in the support leg control oil way, one path of high-pressure oil from the hydraulic pump passes through a control valve II and a throttle valve and then enters two front support leg oil cylinders, and the other path of high-pressure oil passes through a control valve III and a throttle valve and then enters two rear support leg oil cylinders, wherein the support leg control oil way mainly completes supporting and withdrawing actions of a front hydraulic support leg and a rear hydraulic support leg of the whole vehicle; in the ladder frame amplitude control oil way, high-pressure oil from the hydraulic pump enters the two ladder frame amplitude oil cylinders after passing through the control valve IV, the throttle valve, the control valve V and the throttle valve, and the ladder frame amplitude control oil way controls the composite telescopic ladder frame to finish lifting and falling actions within a certain angle range; in the ladder frame expansion control oil way, high-pressure oil from the hydraulic pump enters the boom expansion cylinder after passing through the control valve VI, and the ladder frame expansion control oil way 97 has the function of controlling the composite expansion ladder frame to complete the extending and retracting actions of three sections of expansion arms within a certain length range; in the amplitude-variable control oil way of the terminal tactical platform, high-pressure oil from the hydraulic pump enters the amplitude-variable oil cylinders of the two terminal tactical platforms after passing through the control valve VII, the throttle valve, the control valve VIII and the throttle valve, and the amplitude-variable control oil way 98 of the terminal tactical platform has the function of controlling the terminal tactical platform to finish lifting and falling actions within a certain angle range; the emergency manual hydraulic pump and the hydraulic pump are connected in parallel in a hydraulic power loop, and emergency manual power is provided for the hydraulic control system under the condition that the power unit or the hydraulic pump fails due to faults, so that the effects of stable performance, safety and reliability are achieved.

According to the invention, the upper end of the primary ladder frame longitudinal beam is vertically provided with the primary ladder frame guardrail, the upper end of the secondary ladder frame longitudinal beam is vertically provided with the secondary ladder frame guardrail, and the tertiary ladder frame longitudinal beam is vertically provided with the tertiary ladder frame guardrail, so that the protection effect is realized in real time in the climbing process of assault teams.

The invention can be provided with a rear tactical pedal at the rear end of the automobile chassis, and side tactical pedals are respectively arranged at two sides of a cab of the automobile chassis.

The invention can also be provided with anti-skid pedals on the end surfaces of the middle tactical platform and the side tactical platform respectively so as to ensure the safe climbing of the assault team members.

The tactical platform adjusting device comprises two tail end tactical platform luffing cylinders, a rotating shaft and a fan-shaped supporting seat, wherein the fan-shaped supporting seat and the tail end tactical platform luffing cylinder are symmetrically and fixedly arranged at two ends of the front end of the three-stage arm support, an angle sensor is arranged on the fan-shaped supporting seat, two ends of the rotating shaft are fixedly connected with the fan-shaped supporting seat respectively, the lower end of the tactical platform is in sliding connection with the arc-shaped surface of the fan-shaped supporting seat, the lower end of the tactical platform is connected with the rotating shaft through a connecting frame, the rear end of the tactical platform is hinged with the three-stage arm support through the tail end tactical platform luffing cylinder, the tail end tactical platform luffing cylinder is connected with a control system, so that pitch angle information can be collected in real time through a ladder pitch angle sensor and uploaded to the control system, and the control system is always in a horizontal state according to information instructions.

By adopting the structure, the maximum climbing height of the climbing assault vehicle is improved to more than 7 meters, and the medium climbing assault vehicle standard in the GA948-2011 police climbing assault vehicle standard is met; because the movable telescopic ladder frame system is adopted, the gravity center of the whole car is reasonably distributed, and the running safety is greatly improved; the composite telescopic ladder frame adopts a brand new structural design and has the advantages of novel structure, reasonable axle load distribution, flexible operation, quick operation, safe, stable and reliable use, high climbing height, light overall weight, strong structural stability and the like.

Drawings

Fig. 1 is a schematic view of the structure in the running state of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a left side view of fig. 1.

Figure 4 is an isometric view of the present invention in a running state.

Fig. 5 is a schematic view of the structure of the present invention in the working state.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a left side view of fig. 5.

Figure 8 is an isometric view of the invention in its operative condition.

Fig. 9 is a schematic view of the structure of the upper truss of the present invention.

Fig. 10 is a top view of fig. 9.

Fig. 11 is a sectional view A-A of fig. 10.

Fig. 12 is a left side view of fig. 9.

Figure 13 is an isometric view of figure 9.

Fig. 15 is a schematic view of the structure of the mobile telescoping ladder frame system in the retracted state.

Fig. 14 is a bottom view of fig. 15.

Fig. 16 is a top view of fig. 15.

Fig. 17 is a left side view of fig. 15.

Figure 18 is an isometric view of figure 15.

Fig. 20 is a schematic view of the structure of the mobile telescoping ladder frame system in a fully extended condition.

Fig. 19 is a bottom view of fig. 20.

Fig. 21 is a top view of fig. 20.

Fig. 22 is a left side view of fig. 20.

Figure 23 is an isometric view of figure 20.

Fig. 25 is a schematic view of the structure of the composite telescopic ladder frame in a contracted state.

Fig. 24 is a bottom view of fig. 25.

Fig. 27 is a top view of fig. 25.

Fig. 26 is a C-C cross-sectional view of fig. 25.

Fig. 28 is a B-B cross-sectional view of fig. 27.

Fig. 29 is a left side view of fig. 25.

Figure 30 is an isometric view of figure 25.

Fig. 31 is a bottom view of fig. 33.

Fig. 32 is a schematic structural view of the tactical platform adjustment apparatus.

Fig. 33 is a schematic view of the structure of the composite telescopic ladder frame in an extended state.

Fig. 34 is a top view of fig. 33.

Fig. 35 is a cross-sectional view of fig. 31.

Fig. 36 is a schematic diagram of a hydraulic control system.

Reference numerals: automobile chassis 1; cab 1-1; hydraulic leg mechanism 2; upper truss 3; rear trailer 4; side tactical pedal 5; rear tactical pedal 6; rear cat ladder 7; system control box 8; moving the telescopic ladder system 9; front impact beam 10, occupant seat 11; the police lamp 12 is provided with an installing seat 13; tactical ladder 66; an electrical control system 71; a hydraulic control system 72, a cab 108; logic controller 86; anti-skid pedal 15; overturning guardrail 16; tactical ladder side rails 17; upper truss main structure 18; front tactical ladder hook 19; rear tactical ladder hooks 20; truss front leg 21; truss rear leg 22; side tactical platform 23, mid-assault tactical platform 24; a reversible tactical pedal 25; main stringers 68; a main beam 69; auxiliary beam 70; composite telescopic ladder 27; ladder luffing cylinder 28; ladder frame moving platform 29; a drive chain (or wire rope) 30; a drive motor 31; a drive sprocket 32; a seated bearing 34; the direction-changing chain wheel 35, the movable platform roller 36, the driven shaft 37, the ladder frame supporting seat 38 and the movable platform driving device 67. Pin 73; tensioning pin 74; motor mount 75; ladder pitch angle sensor 84; ladder frame telescopic travel sensor 85; first stage arm support 39; a secondary boom 40; three-stage arm support 41; a primary ladder frame 42; secondary ladder frame 43; three-stage ladder frame 44; top tactical platform 45; secondary mount 46; three-stage mount 47; arm support synchronous telescopic mechanism 48, arm support telescopic cylinder 49; the tactical platform leveling device 50, a first-stage sliding block 51, a first-stage arm support root twisting point shaft 52 and a second-stage arm support telescopic oil cylinder mounting seat 53. The first-stage arm support luffing cylinder mounting seat 54; the first-stage arm support telescopic oil cylinder mounting seat 55, the second-stage sliding block 56; primary ladder rack guard rails 57; secondary ladder rack guard rails 58; three-stage ladder rack guard rail 59; primary boom main stringers 60; secondary boom main stringers 61; three-stage boom main stringers 62; the first-stage arm support connecting beam 63; the secondary arm support connecting beam 64; three-stage arm support connecting cross beam 65; 76. first stage carriage slide; 77, a secondary bracket slideway; 78. three-stage bracket slide; 79. first-stage ladder frame beams; 80, a second-stage ladder frame beam; 81. three-stage ladder beam; 88. A front leg cylinder; 89. A rear leg cylinder; 90. A power unit; 91. A hydraulic oil tank; 92. A hydraulic pump; 93. An emergency manual hydraulic pump; 94. A motor driving oil path; 95. The landing leg controls the oil circuit; 96. A ladder frame amplitude variation control oil circuit; 97. The ladder frame stretches out and draws back the control oil circuit; 98. A control valve I; 99. A control valve II; 100. A control valve III; 101. A control valve IV; 102. A control valve V; 103. A control valve VI; throttle valves 104-1, 104-2, 104-3, 104-4, 104-5, 104-6, 104-7, 104-8; 105. front support cross beam 107, front diagonal braces 108 and front support cross beam 110 of front leg 109, rear mounting base 111 and rear leg 112, control valve VII 113, control valve VIII 114, end tactical platform luffing cylinder 115, hydraulic locks 116-1, 116-2 upper chain (wire rope) 117, lower chain (wire rope) 118, front pulley 119, rear pulley 120.

Description of the embodiments

The present invention will be described below with reference to the accompanying drawings.

As shown in the attached drawings, the climbing assault vehicle for police comprises a vehicle chassis 1, an upper truss 3 and hydraulic support legs 2-1 and 2-2, wherein the vehicle chassis 1 is provided with a cab 1-1 and a control system, the cab 1-1 is internally provided with a vehicle-mounted control system, the structure and the connection relation of the vehicle-mounted control system are the same as those of the prior art, and the climbing assault vehicle is not repeated

The diagonal brace 108 is fixedly connected with the front support cross beam 107; the left end and the right end of the rear supporting beam 110 are respectively and fixedly connected with the rear supporting leg 112 in a crossed manner, the lower end of the rear supporting leg 112 is fixedly connected with the rear mounting seat 111 fixed on the side surface of the automobile chassis 1, so that the problems that the front axle load of the chassis is overweight, the running performance of a vehicle is affected, no strengthening measures are taken between the adjacent supporting legs at the lower end of the upper truss 3, the upper truss 3 is easy to incline in the fight process, the use safety performance is poor, and the supporting legs are fixed on the chassis of the automobile body, when the front end of the chassis is suddenly weighted, the chassis tilts forwards to different degrees, and the substantial technical problem of the safety of fighters on the upper truss is affected are solved.

The upper truss 3 of the invention is composed of a truss main body, a boom moving driving device 67 and a moving telescopic ladder frame system 9, wherein the truss main body comprises a side tactical platform 23 and a middle tactical platform 24, the two sides of the middle tactical platform are respectively provided with the side tactical platform, the front ends of the side tactical platforms are fixedly connected through a connecting support, the rear ends of the side tactical platforms are fixedly connected through the middle tactical platform, a moving telescopic ladder frame system is arranged between the side tactical platform and the middle tactical platform, the moving telescopic ladder frame system 9 is driven by the boom moving driving device 67, the side tactical platform 23 is formed by mutually intersecting and fixedly connecting a cross beam and a longitudinal beam, the moving telescopic ladder frame system 9 comprises a ladder frame supporting seat 38, a ladder frame moving platform 29, an oil cylinder hinging seat, a ladder frame amplitude-changing oil cylinder 28, a compound telescopic ladder frame 27, a top tactical platform 45, a telescopic oil cylinder 49 and a hinged shaft 52, the arm support moving driving device 67 comprises a driving shaft 33, a driven shaft 37, a driving chain 30, a driving chain wheel 32, a driving motor 31, a redirecting chain wheel 35 and a moving platform roller 36, wherein the inner sides of longitudinal beams of the side tactical platforms 23 on two sides of the truss main body are respectively and longitudinally correspondingly provided with a moving guide rail 26, the front part of the moving guide rail 26 is provided with the driven shaft 37, the rear part is provided with the driving shaft 33, two sides of the ladder frame moving platform 29 are respectively and rollingly connected with the moving guide rail 26 through the moving platform roller 36, two ends of the driven shaft 37 and the driving shaft 33 are respectively and fixedly connected with the longitudinal beams through bearings and bearing seats, the redirecting chain wheel 35 is arranged on the driven shaft 37, the driving chain wheel 32 is arranged on the driving shaft 33, the driving shaft 33 is driven by the driving motor 31, the driving chain 30 bypasses the driving chain wheel 32 and the redirecting chain wheel 35, one end of the driving chain 30 is fixedly connected with the front end of the ladder frame moving platform 29, the other end of the driving chain is fixedly connected with the rear end of the ladder frame moving platform 29, so that the driving motor 31 drives the driving shaft 33 to rotate and drives the driving chain wheel 32 to rotate, the driving chain wheel 32 drives the ladder frame moving platform 29 to move forwards or backwards along the moving guide rail 26 through the driving chain 30 and the redirecting chain wheel, the lower end of the composite telescopic ladder frame is connected with the ladder frame moving platform 29 through the ladder frame amplitude varying cylinder and the hinge shaft, the upper end of the composite telescopic ladder frame is connected with the top tactical platform through the tactical platform adjusting device, and the tactical platform adjusting device and the ladder frame amplitude varying cylinder 28 are respectively controlled by the control system 8, so that the levelness of the top tactical platform is automatically adjusted according to the telescopic quantity of the ladder frame amplitude varying cylinder through the platform adjusting device, and the functions of high telescopic speed and stable performance are achieved.

The primary expansion bracket comprises a primary ladder frame 42 formed by a primary ladder frame main longitudinal beam 60 and a primary ladder frame connecting beam 63, a primary cantilever crane 39 formed by a primary bracket slideway 76 and a primary bracket beam 79, the lower end of the primary ladder frame 42 is fixedly connected with the lower primary cantilever crane 39 through a connecting seat 82, a primary guide hole is arranged in the center of the connecting seat, the secondary expansion bracket comprises a secondary ladder frame 43 formed by a secondary cantilever crane main longitudinal beam 61 and a secondary cantilever crane connecting beam 64, a secondary cantilever crane 40 formed by a secondary bracket slideway 77 and a secondary bracket beam 80, a secondary connecting seat 46 and a secondary sliding block 51, the tertiary expansion bracket comprises a tertiary ladder frame 44 formed by a tertiary cantilever crane main longitudinal beam 62 and a tertiary bracket slideway 65, a tertiary cantilever crane 41 formed by a tertiary bracket slideway 78 and a tertiary bracket beam 81, a tertiary connecting seat 47 and a tertiary sliding block 56, the synchronous expansion mechanism comprises an upper chain (steel wire rope) 117, a lower chain (steel wire rope) 118, a front pulley 119 and a rear pulley 120, the secondary ladder frame 43 is positioned above the primary ladder frame 42, the secondary ladder frame 40 is positioned at the lower end of the primary cantilever crane 40 and the secondary cantilever crane connecting beam 40 and the lower cantilever crane connecting beam 40 through the upper cantilever crane connecting hole and the primary cantilever crane connecting beam 43, the secondary cantilever crane connecting seat 40 and the secondary cantilever crane connecting beam connecting the primary frame 40 and the primary ladder frame connecting the primary frame connecting beam connecting the primary frame 43, the utility model provides a tactical platform is characterized by including first-level bracket slide 76 front end, second-level bracket slide 76 front end, tertiary connecting seat 47 is equipped with in the front end upper portion behind the second-level cantilever crane main longitudinal beam in the second-level ladder frame 43 passed one-level guiding hole, and the lower part is equipped with front pulley 119, and the rear end is equipped with rear pulley 120, second-level bracket slide rear end lower extreme is equipped with the second-level slider, second-level slider and one-level bracket slide sliding connection, tertiary cantilever crane main longitudinal beam lower extreme is through tertiary connecting seat and tertiary cantilever crane fixed connection, tertiary cantilever crane main longitudinal beam in the tertiary ladder frame passes the second-level guiding hole that is equipped with on the tertiary connecting seat, and rear lower extreme and tertiary slider fixed connection, the front end is connected with tactical platform through tactical platform adjusting device, tertiary slider and second-level bracket slide sliding connection, front pulley 119 and rear pulley 120 on second-level bracket slide 77 are walked to chain (wire rope) 118, one end and tertiary bracket slide 78 rear end fixed connection, the other end and one-level bracket slide 76 front end fixed connection, make one-level expansion bracket, second-level expansion bracket and tertiary expansion bracket reach synchronous flexible purpose.

The invention can be provided with the warning lamp 12 at the front end of the upper truss 3 so as to be beneficial to warning and outline indication.

The invention can be provided with anti-slip pedals 15 on the upper end surfaces of the middle tactical platform 24 and the side tactical platform 23, so as to be beneficial to preventing the assault team member from skidding on the sole when stepping on the side tactical platform.

The invention can respectively hinge the turnover passenger seats 11 at the two sides of the rear trailer of the automobile chassis 1 so as to achieve the effect of conveniently carrying personnel or weapons.

The invention may provide a frame support 38 at the front end of the frame moving platform 29 to facilitate support of the moving telescoping frame system.

The control system 8 comprises an electric control system 71 and a hydraulic control system 72, wherein the hydraulic control system is controlled by the electric control system, the electric control system is controlled by a logic controller, and the logic controller is imf CR0401; the hydraulic control system 72 comprises a power unit 90 (the embodiment can be a motor or an internal combustion engine), a hydraulic oil tank 91, a hydraulic pump 92, an emergency manual hydraulic pump 93, a motor driving oil way 94, a landing leg control oil way 95, a landing leg amplitude control oil way 96 and a landing leg telescopic control oil way 97, wherein a driving motor, a control valve I98 and a throttle valve 104-1 are arranged on the motor driving oil way, and front landing leg oil cylinders 88-1, 88-2, hydraulic locks 108-1, 108-2, a control valve II 99 and a throttle valve 104-2 are arranged on the landing leg control oil way 95; the rear landing leg oil cylinders 89-1, 89-2, the hydraulic locks 109-1, 109-2, the control valve II 100 and the throttle valve 104-3, the ladder amplitude control oil way 96 is provided with ladder amplitude oil cylinders 28-1, 28-2, throttle valves 104-4, 104-5, a control valve IV 101, a control valve V102 and the hydraulic locks 110-1, 110-2, the ladder amplitude control oil way 97 is provided with a ladder amplitude oil cylinder 49, a hydraulic lock 111 and a control valve VI 103, the end tactical platform amplitude control oil way 98 is provided with end tactical platform amplitude oil cylinders 115-1, 115-2, throttle valves 104-7, 104-8, a control valve VII 113,

The power unit 90 drives the hydraulic pump 92 to provide high-pressure oil for the hydraulic control system 72, the hydraulic oil tank 91 is responsible for oil storage and heat dissipation functions of the whole system, and high-pressure oil of the motor driving oil circuit 94, the landing leg control oil circuit 95, the ladder frame amplitude control oil circuit 96, the ladder frame telescopic control oil circuit 97 and the tail end tactical platform amplitude control oil circuit 98 all come from the hydraulic pump, wherein in the motor driving oil circuit 94, the high-pressure oil from the hydraulic pump 92 enters an oil inlet pipeline of the driving motor 31 after passing through the control valve I98 and the throttle valve 104-1, then flows out from an oil return pipeline of the driving motor 31 and flows back to the hydraulic oil tank 91 after passing through the control valve I98, and the motor driving oil circuit 94 mainly has the function of controlling the driving motor 31 to finish forward and backward movement, so that the driving chain (or steel wire rope) 30 drags the ladder frame moving platform 29 to finish forward and backward movement; in the leg control oil path 95, one path of high-pressure oil from the hydraulic pump 92 passes through a control valve II 99 and a throttle valve 104-2, then enters the two front leg oil cylinders 88-1 and 88-2, and the other path of high-pressure oil passes through a control valve III 100 and a throttle valve 104-3, then enters the two rear leg oil cylinders 89-1 and 89-2, and the leg control oil path 95 mainly completes supporting and withdrawing actions of the front hydraulic leg and the rear hydraulic leg of the whole vehicle; in the ladder amplitude control oil way 96, high-pressure oil from the hydraulic pump 92 enters the two ladder amplitude oil cylinders 28 after passing through the control valve IV 101, the throttle valve 104-4, the control valve V102 and the throttle valve 104-5, and the ladder amplitude control oil way 96 controls the composite telescopic ladder 27 to finish lifting and falling actions within a certain angle range; in the ladder frame expansion control oil way 97, high-pressure oil from the hydraulic pump 92 enters the boom expansion cylinder 49 after passing through the control valve VI 103 and the throttle valve 104-6, and the ladder frame expansion control oil way 97 has the function of controlling the composite expansion ladder frame 27 to complete the extending and retracting actions of three expansion arms within a certain length range; in the ladder amplitude control oil way 98, high-pressure oil from the hydraulic pump 92 enters the two-end tactical platform amplitude cylinder 115 after passing through a control valve VII 113, a throttle valve 104-7, a control valve VIII 114 and a throttle valve 104-8, and the ladder amplitude control oil way 98 controls the end tactical platform to finish lifting and falling actions within a certain angle range; the emergency manual hydraulic pump 93 and the hydraulic pump are connected in parallel in a hydraulic power loop, and under the condition that the power unit 90 or the hydraulic pump 92 fails due to faults, emergency manual power is provided for the hydraulic control system 72, so that the effects of stable performance, safety and reliability are achieved.

According to the invention, a ladder frame telescopic travel sensor 85 is arranged on one side of the upper end of the primary ladder frame 42, a ladder frame pitching angle sensor 84 is arranged on the movable platform on one side of the lower end, and the ladder frame telescopic travel sensor 85 and the ladder frame pitching angle sensor 84 are respectively controlled by the control system 8 so as to facilitate uploading information detected by the ladder frame telescopic travel sensor 85 and the ladder frame pitching angle sensor 84 to the control system 8, and the control system 8 instructs the tactical platform adjusting device to act, so that the top tactical platform 45 is automatically controlled to be always in a horizontal position, and the rapid combat of an assault player is ensured.

The invention may have a reversible tread 25 hinged to the front end of the mid tactical platform 24 to facilitate providing room for movement of the telescoping ladder system 9.

According to the invention, the overturning guardrails 16 and the tactical side sliding rails 17 are respectively arranged on two sides of the upper truss 3 from the center to the two sides in sequence, the inner sides of the overturning guardrails 16 are hinged with the side tactical platform 23 through hinge shafts, when the overturning guardrails 16 are erected, the overturning guardrails 16 are fixedly connected with the side tactical platform 23 through positioning pins so as to be beneficial to preventing assault players on the side tactical platform 23 from falling, and the tactical side sliding rails 17 can be used for being connected with tactical ladders 66 so as to be beneficial to realizing climbing actions to the side face of a vehicle body.

The invention can respectively lead tactical ladder hooks 19 at the two sides of the front end of the upper truss 3, and respectively lead tactical ladder hooks 20 at the two sides of the rear end, so as to be used for fixing tactical ladder 66, thereby realizing rapid climbing of assault team members from the front or rear of the whole vehicle to a side tactical platform on the upper truss.

The invention can also vertically arrange a first-stage ladder frame guardrail at the upper end of the first-stage ladder frame longitudinal beam, a second-stage ladder frame guardrail at the upper end of the second-stage ladder frame longitudinal beam, and a third-stage ladder frame guardrail at the upper end of the third-stage ladder frame longitudinal beam, so as to be beneficial to playing a role in protecting the climbing process of assault teams in real time.

The rear tactical pedal 6 can be arranged at the rear end of the automobile chassis 1, and the side tactical pedals 5 are respectively arranged at the two sides of the cab of the automobile chassis, so that the effect of conveniently getting on the automobile is achieved.

The tactical platform adjusting device comprises two tail end tactical platform amplitude-changing oil cylinders 121, a rotating shaft 122 and a fan-shaped supporting seat 123, wherein the fan-shaped supporting seat and the tail end tactical platform amplitude-changing oil cylinders are symmetrically and fixedly arranged at two ends of the front end of the three-stage arm support, an angle sensor is arranged on the fan-shaped supporting seat, two ends of the rotating shaft are fixedly connected with the fan-shaped supporting seat respectively, the lower end of the tactical platform is in sliding connection with the arc-shaped surface of the fan-shaped supporting seat, the lower end of the tactical platform is connected with the rotating shaft through a connecting frame, the rear end of the tactical platform is hinged with the three-stage arm support through the tail end tactical platform amplitude-changing oil cylinders, the tail end tactical platform amplitude-changing oil cylinders are connected with a control system, so that pitch angle information can be collected in real time through the ladder frame pitch angle sensor and uploaded to the control system, and the control system is always in a horizontal state according to information instructions.

When the invention is used for fighting, the invention can be driven to a part to be climbed, the front hydraulic support leg and the rear hydraulic support leg are driven to act through the control system, the car body is stabilized, meanwhile, the control system drives a ladder frame amplitude changing oil cylinder in the moving ladder frame system and a driving motor in the arm support moving driving device to act respectively, the composite telescopic ladder frame is driven to move forwards along the moving guide rail, the composite telescopic ladder frame is driven to ascend upwards by the ladder frame amplitude changing oil cylinder, and the arm support telescopic oil cylinder 49 is controlled by the hydraulic control system 72 to realize stretching action, so that the second-stage arm support 40 is driven to be nested in the first-stage arm support 39 to perform stretching motion, and the third-stage arm support 41 is driven to be nested in the second-stage arm support 40 through the arm support synchronous telescopic mechanism 48 to synchronously complete stretching motion; in the process that the elevation angle of the composite telescopic ladder frame is gradually increased, the ladder frame pitching angle sensor uploads information to the control system, the control system instructs the tactical platform adjusting device in real time to drive the top tactical platform to change angles, the top tactical platform is always in a horizontal position, the assault team member can conveniently pedal, meanwhile, the assault team member can hang tactical ladders on two sides or two sides of the upper truss according to the field condition, when the assault team member climbs on the side tactical platform and the middle tactical platform on two sides of the upper truss through the rear ladder or the tactical ladder, the reversible tactical pedal is turned to the front to enable the side face to approach the first-stage ladder frame, other assault team members can respectively right and fix the reversible guardrails on the side face, after the ladder frame telescopic travel sensor transmits in-place signals to the control system, the control system stops controlling, and the assault team member can climb on the upper truss from the rear end, the front end or two sides of the upper truss respectively through the rear ladder frame, and sequentially climb on the assigned position through the composite telescopic ladder frame, and the landing leg is reasonably arranged between the upper truss and the front truss, and the safety of the whole automobile is reasonably distributed, and the running is remarkably improved due to the fact that the safety is provided with the supporting leg and the supporting truss and the front is reasonably arranged; and the maximum climbing height of the climbing assault car is increased to more than 7 meters, so that the requirement that a special police team member initiates impact to a higher height is greatly met.

By adopting the structure, the invention reaches the standard of medium-sized climbing assault vehicle in the standard of GA948-2011 police climbing assault vehicle; the device has the advantages of novel structure, reasonable axle load distribution, flexible operation, quick operation, safe use, stability, reliability, high climbing height, light overall weight, strong structural stability and the like.

Claims

1. The utility model provides an alert climbing assault car, includes vehicle chassis, upper truss and hydraulic pressure landing leg, be equipped with driver's cabin and control system on the vehicle chassis, be equipped with on-vehicle control system in the driver's cabin, characterized by be equipped with truss front end truss and truss rear support leg between vehicle chassis and the upper truss, vehicle chassis front end is equipped with the front end and bumps the crossbeam, and the rear end left and right sides is equipped with back hydraulic pressure landing leg respectively, front end bump crossbeam left and right sides is equipped with front hydraulic pressure landing leg respectively, front hydraulic pressure landing leg and back hydraulic pressure landing leg are controlled through control system respectively, the truss front support leg comprises front support crossbeam, front mount pad, front diagonal brace and front landing leg, the truss rear support leg comprises back support crossbeam, back mount pad, back diagonal brace and back landing leg, the upper truss lower extreme and the front support crossbeam fixed connection of the upper truss lower extreme and the back support crossbeam of rear end top, front support crossbeam left and right side lower extreme and front cross connection respectively, front support crossbeam lower extreme and front support leg fixed connection is through the front support pad fixed connection on the front support pad side of vehicle chassis; the lower ends of the left side and the right side of the rear supporting beam are respectively and fixedly connected with rear supporting legs in a crossing way, and the lower ends of the rear supporting legs are fixedly connected with rear mounting seats fixed on the side surfaces of the automobile chassis.

2. The climbing assault vehicle for police according to claim 1, wherein the upper truss is composed of a truss main body, a boom moving driving device and a moving telescopic ladder system, wherein the truss main body comprises a side tactical platform and a middle tactical platform, the two sides of the middle tactical platform are respectively provided with the side tactical platform, the front ends of the side tactical platforms are fixedly connected through a connecting support, the rear ends of the side tactical platforms are fixedly connected through the middle tactical platform, a moving telescopic ladder system is arranged between the side tactical platform and the middle tactical platform, the moving telescopic ladder system is driven by the boom moving driving device, the side tactical platforms are formed by mutually and fixedly connecting a cross beam and a longitudinal beam, the moving telescopic ladder system comprises a ladder support seat, a boom moving platform, an oil cylinder hinge seat, a ladder amplitude changing oil cylinder, a compound telescopic ladder, a top tactical platform, a telescopic oil cylinder and a boom hinge shaft, the boom moving driving device comprises a driving shaft, a driven shaft, a driving chain, a driving sprocket, a driving motor, a redirecting sprocket and a moving roller, the side longitudinal beams on the two sides of the boom main body are respectively provided with a corresponding driving shaft, the front end of the driving shaft is fixedly connected with the driving shaft is fixedly arranged on the side rails on the two sides of the side longitudinal beams of the side longitudinal beam, the side rails on the two sides of the boom moving ladder main body are respectively, the driving shafts are respectively connected with the driving shafts are fixedly arranged on the two ends of the driving shafts, the driving shafts are respectively, the front end of the driving shafts are respectively connected with the driving shafts are fixedly connected with the driving shafts, and the front ends of the driving shafts are respectively, and the front ends of the driving frame and the longitudinal frame are respectively connected, the lower end of the composite telescopic ladder frame is connected with a ladder frame moving platform through a ladder frame amplitude-variable oil cylinder and a hinge shaft, the upper end of the composite telescopic ladder frame is connected with a top tactical platform through a tactical platform adjusting device, and the tactical platform adjusting device and the ladder frame amplitude-variable oil cylinder are controlled by a control system respectively.

3. The climbing assault vehicle for police according to claim 2, wherein the composite telescopic ladder frame comprises a primary telescopic frame, a secondary telescopic frame, a tertiary telescopic frame and a synchronous telescopic mechanism, the secondary telescopic frame is connected to the primary telescopic frame in a sliding manner, the tertiary telescopic frame is connected to the secondary telescopic frame in a sliding manner, and the primary telescopic frame, the secondary telescopic frame and the tertiary telescopic frame are connected through the synchronous telescopic mechanism.

4. The climbing assault vehicle for police according to claim 3, wherein the primary expansion bracket comprises a primary ladder frame formed by a primary ladder frame main longitudinal beam and a primary ladder frame connecting beam, a primary bracket slideway and a primary cantilever frame formed by a primary bracket beam, the lower end of the primary ladder frame is fixedly connected with the lower primary cantilever frame through a connecting seat, a primary guide hole is arranged in the center of the connecting seat, the secondary expansion bracket comprises a secondary ladder frame formed by a secondary cantilever frame main longitudinal beam and a secondary cantilever frame connecting beam, a secondary cantilever frame formed by a secondary bracket slideway and a secondary bracket beam, a secondary connecting seat and a secondary sliding block, the tertiary expansion bracket comprises a tertiary ladder frame formed by a tertiary cantilever frame main longitudinal beam and a tertiary cantilever frame connecting beam, a tertiary cantilever frame formed by a tertiary bracket slideway and a tertiary bracket beam and a tertiary sliding block, the synchronous expansion mechanism comprises an upper chain, a lower chain, a front pulley and a rear pulley, the second-stage ladder frame is positioned above the first-stage ladder frame, the second-stage cantilever crane is positioned between the first-stage ladder frame and the first-stage cantilever frame, a second-stage bracket slideway of the second-stage cantilever frame is connected with the first-stage guide hole in a penetrating way, the upper end of the second-stage cantilever frame is fixedly connected with the second-stage ladder frame through a second-stage connecting seat, the lower end of the second-stage cantilever frame is fixedly connected with the second-stage cantilever frame through a second-stage sliding block, a third-stage connecting seat is arranged at the upper part of the rear front end of the second-stage cantilever frame in the second-stage cantilever frame, a front pulley is arranged at the lower part of the rear end of the second-stage cantilever frame, a second-stage sliding block is arranged at the lower end of the rear part of the second-stage cantilever frame main longitudinal beam, the second-stage sliding block is in sliding connection with the first-stage bracket slideway, the lower end of the third-stage main longitudinal beam is fixedly connected with the third-stage cantilever frame through a third-stage connecting seat, the main longitudinal beam of the three-stage arm support in the three-stage ladder frame passes through a second-stage guide hole arranged on a three-stage connecting seat, the lower end of the rear part is fixedly connected with a three-stage sliding block, the front end is connected with a tactical platform through a tactical platform adjusting device, the three-stage sliding block is in sliding connection with a second-stage bracket sliding way,

The chain bypasses a front pulley and a rear pulley on the second-stage bracket slideway, one end of the chain is fixedly connected with the rear end of the third-stage bracket slideway, and the other end of the chain is fixedly connected with the front end of the first-stage bracket slideway.

5. The climbing assault car for police according to claim 4, wherein a ladder frame telescopic travel sensor is arranged on one side of the upper end of the first-stage ladder frame, a ladder frame pitching angle sensor is arranged on the movable platform on one side of the lower end of the first-stage ladder frame, and the ladder frame telescopic travel sensor and the ladder frame pitching angle sensor are respectively controlled by a control system.

6. The climbing assault vehicle for police according to claim 2, wherein a reversible pedal is hinged to the front end of the middle tactical platform.

7. The police climbing assault vehicle according to claim 2, wherein two sides of the upper truss are respectively provided with a turnover guardrail and tactical side sliding rails from inside to outside in sequence, the inner side of the turnover guardrail is hinged with the side tactical platform through a hinge shaft, and when the turnover guardrail is erected, the turnover guardrail is fixedly connected with the side tactical platform through a locating pin.

8. The climbing assault car for police according to any one of claims 1, 2, 3, 4, 5, 6 and 7, wherein the front end of the upper truss is provided with a police lamp.

9. The climbing assault vehicle for police according to claim 2, wherein the upper end surfaces of the middle tactical platform and the side tactical platform are provided with anti-slip pedals.

10. The climbing assault vehicle for police according to claim 1, wherein the two sides of the upper end of the automobile chassis are respectively hinged with a turnover passenger seat.

11. The police climbing assault vehicle is characterized in that the control system comprises an electric control system and a hydraulic control system, the hydraulic control system is controlled by the electric control system, the hydraulic control system comprises a power unit, the power unit is a motor, or an internal combustion engine, a hydraulic oil tank, a hydraulic pump, an emergency manual hydraulic pump, a motor driving oil circuit, a landing leg control oil circuit, a landing frame luffing control oil circuit, a landing frame telescopic control oil circuit and a terminal tactical platform luffing control oil circuit are adopted, a driving motor, a control valve I and a throttle valve are arranged on the motor driving oil circuit, and a landing leg oil cylinder, a hydraulic lock, a control valve II and a throttle valve on the landing leg control oil circuit are arranged on the motor driving oil circuit; the hydraulic control system comprises a rear landing leg oil cylinder, a hydraulic lock, a control valve II and a throttle valve, wherein a landing leg amplitude control oil circuit is provided with a landing leg amplitude oil cylinder, a throttle valve, a control valve IV, a control valve V and a hydraulic lock, a landing leg telescopic control oil circuit is provided with a landing leg telescopic oil cylinder, a hydraulic lock and a control valve VI, an amplitude oil cylinder, a hydraulic lock, a control valve VII and a throttle valve VIII are arranged on a terminal tactical platform amplitude control oil circuit, the power unit drives a hydraulic pump to provide high-pressure oil for the hydraulic control system, the hydraulic oil tank is responsible for oil storage and heat dissipation functions of the whole system, and the motor drive oil circuit, a landing leg control oil circuit, a landing leg amplitude control oil circuit, a landing leg telescopic control oil circuit and a terminal tactical platform amplitude control oil circuit are all from the hydraulic pump, wherein the high-pressure oil from the hydraulic pump enters a drive motor oil inlet pipeline after passing through the control valve I and the throttle valve, flows back to the hydraulic oil tank after passing through the control valve I, and the motor drive oil circuit mainly has the function of controlling the drive motor to complete forward and backward movement of the landing leg, so that the landing leg is driven to complete the movement of the landing leg after the landing leg is moved; in the support leg control oil way, one path of high-pressure oil from the hydraulic pump passes through a control valve II and a throttle valve and then enters two front support leg oil cylinders, and the other path of high-pressure oil passes through a control valve III and a throttle valve and then enters two rear support leg oil cylinders, wherein the support leg control oil way mainly completes supporting and withdrawing actions of a front hydraulic support leg and a rear hydraulic support leg of the whole vehicle; in the ladder frame amplitude control oil way, high-pressure oil from the hydraulic pump enters the two ladder frame amplitude oil cylinders after passing through the control valve IV, the throttle valve, the control valve V and the throttle valve, and the ladder frame amplitude control oil way controls the composite telescopic ladder frame to finish lifting and falling actions within a certain angle range; in the ladder frame expansion control oil way, high-pressure oil from the hydraulic pump enters the boom expansion cylinder after passing through the control valve VI, and the ladder frame expansion control oil way has the function of controlling the composite expansion ladder frame to complete the extending and retracting actions of three sections of expansion arms within a certain length range; in the amplitude-variable control oil way of the terminal tactical platform, high-pressure oil from the hydraulic pump enters the amplitude-variable oil cylinders of the two terminal tactical platforms after passing through the control valve VII, the throttle valve, the control valve VIII and the throttle valve, and the amplitude-variable control oil way of the terminal tactical platform has the function of controlling the terminal tactical platform to finish lifting and falling actions within a certain angle range; the emergency manual hydraulic pump and the hydraulic pump are connected in parallel in a hydraulic power loop.

12. The climbing assault vehicle for police according to claim 4, wherein a primary ladder frame guardrail is vertically arranged at the upper end of the primary ladder frame longitudinal beam, a secondary ladder frame guardrail is vertically arranged at the upper end of the secondary ladder frame longitudinal beam, and a tertiary ladder frame guardrail is vertically arranged on the tertiary ladder frame longitudinal beam.

13. The climbing assault vehicle for police according to claim 2, wherein a rear tactical pedal is arranged at the rear end of the automobile chassis, and side tactical pedals are respectively arranged at two sides of a cab of the automobile chassis.

14. The police climbing assault vehicle according to claim 4, 5 or 12, wherein the tactical platform adjusting device comprises two tail end tactical platform luffing cylinders, a rotating shaft and a fan-shaped supporting seat, the fan-shaped supporting seat and the tail end tactical platform luffing cylinder are symmetrically and fixedly arranged at two ends of the front end of the three-stage arm support, an angle sensor is arranged on the fan-shaped supporting seat, two ends of the rotating shaft are fixedly connected with the fan-shaped supporting seat respectively, the lower end of the tactical platform is in sliding connection with the arc-shaped surface of the fan-shaped supporting seat, the lower end of the tactical platform is connected with the rotating shaft through a connecting frame, the rear end of the tactical platform is hinged with the three-stage arm support through the tail end tactical platform luffing cylinder, and the tail end tactical platform luffing cylinder is connected with the control system.