CN115490194A - Police climbing assault vehicle with automatic landing platform overturning function - Google Patents
Police climbing assault vehicle with automatic landing platform overturning function Download PDFInfo
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- CN115490194A CN115490194A CN202211196381.6A CN202211196381A CN115490194A CN 115490194 A CN115490194 A CN 115490194A CN 202211196381 A CN202211196381 A CN 202211196381A CN 115490194 A CN115490194 A CN 115490194A
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- platform
- lifting
- frame
- landing platform
- cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
- B66F11/046—Working platforms suspended from booms of the telescoping type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
- B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
Abstract
A police climbing assault vehicle with an automatic landing platform overturning function comprises a vehicle body, a left bracket and a right bracket, wherein the vehicle body is arranged on a chassis of the vehicle body; the pair of left supporting upright posts are fixed at the front end and the rear end of the left bracket, and the pair of right supporting upright posts are fixed at the front end and the rear end of the right bracket; the front and rear longitudinal beams are parallel to each other, a lifting platform frame accommodating cavity is arranged between the left ends of the front and rear longitudinal beams, and an aggregation platform is arranged between the upper parts of the right ends of the front and rear longitudinal beams; the right end of the lifting platform frame is hinged between the middle parts of the front longitudinal beam and the rear longitudinal beam, the upper surface of the lifting platform frame is paved with a lifting platform, and the lower part of the left end of the lifting platform frame is provided with a lifting driving mechanism of the lifting platform frame; the telescopic platform is in sliding fit with the lifting platform frame; the landing platform is connected with the left end of the telescopic platform; the method is characterized in that: the automatic turnover mechanism is arranged on the front side of the left end of the telescopic platform and connected with the front end of the landing platform fixing shaft, and the landing platform is connected with the rear end of the landing platform fixing shaft. The login time is shortened, physical energy consumption is avoided, and the safety is good.
Description
Technical Field
The invention belongs to the technical field of police equipment, and particularly relates to a climbing assault vehicle for a police, which has an automatic overturning function of a landing platform.
Background
The police climbing assault vehicle is generally characterized in that a pair of supporting upright columns which are mutually corresponding back and forth and are longitudinally parallel are respectively arranged on a vehicle chassis and in front of and behind the vehicle chassis, a platform support is fixed on the upper portion between the front supporting upright column and the rear supporting upright column in a state of being vacated to the top of a vehicle body, a lifting platform driven to lift by a hydraulic oil cylinder is hinged on one end, facing a vehicle head, of the platform support, a telescopic platform capable of stretching back and forth is further arranged on the lifting platform, and a landing platform is further hinged (namely hinged) at the tail end of the telescopic platform, namely one end, facing the vehicle head direction, of the telescopic platform. In addition, a climbing ladder is arranged behind the chassis and between the pair of upright posts.
Technical information relating to the police climbing assault vehicle is found in published chinese patent documents, which are, for example, CN201173085Y (an anti-terrorist battle climbing assault vehicle), CN1730373A (a multifunctional assault truss for an application vehicle), and CN214492725U (a pedal device and a vehicle), to name a few.
Typical "police assault vehicle climbing ladder rack moving platform" recommended in CN204343967U and "police assault vehicle climbing ladder rack moving platform" introduced in CN104527497B are not limited to the exemplary two patents, particularly the latter patent, which show in more detail the above mentioned front and rear pairs of supporting columns, platform supports, lifting platforms (referred to as "extension ladder rack"), telescopic platforms and landing platforms. The above-mentioned CN104527497B has the technical effects described in the technical effect column of the specification thereof (paragraph 0018 of the specification): the center of gravity of a climbing ladder frame, a lifting device and a ladder frame moving platform of the climbing assault vehicle is enabled to move back and forth for 2.4 meters, the front axle load is reduced by 300-500kg, the axle load distribution requirements of different automobile chassis are met, and the climbing assault vehicle has the advantages of novel structure, reasonable axle load distribution, flexible operation, quick operation, safe use, stability and reliability. However, the patent has the following disadvantages: when the landing platform which is hinged with the end part of the telescopic platform and is arranged above the front end of the telescopic platform in an overlapped mode is unfolded, the landing platform needs to be unfolded through manual operation of manpower, so that the landing time of special police personnel can be influenced under emergency, and after the alarm removing task is finished, the landing platform also needs to be restored through manual operation of the manpower. From the foregoing, it can be seen that the landing platforms, whether manually deployed or restored by human power, require undesirably long periods of time and labor for police personnel and that the manual turning of the heavy landing platforms is accompanied by safety hazards.
Disclosure of Invention
The invention aims to provide a climbing assault vehicle for police, which is helpful for rapidly turning a landing platform to an unfolded state or recovering to a state of being folded above a telescopic platform in an automatic mode, so that the landing time of a police is shortened, the situation that the police consumes physical energy wastefully due to the fact that the landing platform is turned manually is avoided, and safety problems can be fully avoided.
The invention is characterized in that the climbing assault vehicle for police with the function of automatically overturning a landing platform comprises a vehicle body, wherein the vehicle body is arranged on a vehicle body chassis, a left bracket is fixed at the left end of the vehicle body chassis, and a right bracket is fixed at the right end of the vehicle body chassis; a pair of left support columns and a pair of right support columns, wherein the left support columns correspond to each other in a front-back mode and are respectively fixed at the front end and the rear end of the left support in a longitudinal state, and the right support columns correspond to each other in a front-back mode and are respectively fixed at the front end and the rear end of the right support in a longitudinal state; the front longitudinal beam is fixed between the upper part of one left supporting upright in front of the left supporting uprights and the upper part of one right supporting upright in front of the right supporting uprights, the rear longitudinal beam is fixed between the upper part of one left supporting upright in back of the left supporting uprights and the upper part of one right supporting upright in back of the right supporting uprights, a lifting platform frame accommodating cavity is formed between the left ends of the front longitudinal beam and the rear longitudinal beam, and a collecting platform is paved between the upper parts of the right ends of the front longitudinal beam and the rear longitudinal beam; the lifting platform frame corresponds to the lifting platform frame accommodating cavity and is accommodated and matched with the lifting platform frame accommodating cavity, the right end of the lifting platform frame is hinged between the middle parts of the front longitudinal beam and the rear longitudinal beam in the length direction through a lifting platform frame hinge pin shaft, a lifting platform is laid on the upper surface of the lifting platform frame, a lifting platform frame lifting driving mechanism used for enabling the left end of the lifting platform frame to ascend upwards or return downwards to the lifting platform frame accommodating cavity is arranged on the lower part of the left end of the lifting platform frame, and the lower end of the lifting platform frame lifting driving mechanism is hinged between the left ends of the front longitudinal beam and the rear longitudinal beam in the lifting platform frame accommodating cavity; the telescopic platform is in sliding fit with the lifting platform frame and is driven by a telescopic platform driving acting cylinder connected between the lifting platform frame and the telescopic platform; the landing platform is connected with the left end of the telescopic platform through a landing platform fixing shaft; is characterized in that: the automatic turnover mechanism of the landing platform is arranged on the front side of the left end of the telescopic platform and is fixedly connected with the front end of the landing platform fixing shaft, and the landing platform is fixedly connected with the rear end of the landing platform fixing shaft.
In a specific embodiment of the present invention, a landing platform connecting plate extends from the front side of the left end of the telescopic platform, a landing platform end side plate is formed at one end of the landing platform facing the landing platform fixing shaft, a landing platform connecting lug extends from the landing platform end side plate and at a position corresponding to the rear end of the landing platform fixing shaft, the rear end of the landing platform fixing shaft is fixed to the landing platform connecting lug, the middle part of the landing platform fixing shaft is rotatably connected to the landing platform connecting plate, and the landing platform automatic turnover mechanism arranged at the front side of the left end of the telescopic platform is connected to the front end of the landing platform fixing shaft at a position located on the landing platform connecting plate.
In another specific embodiment of the present invention, the automatic landing platform turnover mechanism comprises a gear housing driving action cylinder, a gear housing guard, a left sprocket, a right sprocket, a chain and a sliding guide plate, wherein a cylinder body hinge lug is arranged at the right end of a cylinder body of the gear housing driving action cylinder, the cylinder body hinge lug is hinged with the front side of the left end of the telescopic platform through a cylinder body hinge lug pin, a gear housing driving action cylinder column of the gear housing driving action cylinder faces to the left, an action cylinder column cavity which penetrates from the left end to the right end of the gear housing and is open at the lower part is formed at the lower part of the length direction of the gear housing, a group of teeth which are distributed at intervals is formed at the upper part of the length direction of the gear housing, the gear housing driving action cylinder column is connected with the gear housing in the action cylinder cavity, the gear housing guard is covered outside the gear housing and fixed to the gear housing, the left sprocket is fixed with the front end of the landing platform at a position corresponding to the front side of the landing platform connecting plate, the right sprocket is rotatably arranged at a position corresponding to the left side of the landing platform connecting plate, the gear housing, the left sprocket is fixed with the left sprocket, the sliding guide plate is matched with the left sprocket, the sliding guide plate, and the sliding guide plate is matched with the sliding guide plate.
In another specific embodiment of the invention, an acting cylinder connecting head pin shaft hole is respectively arranged in the middle of the front cavity wall and the rear cavity wall of the acting cylinder cavity of the gear shell and at the corresponding positions; the end of the tooth shell drive action cylinder column is formed into an action cylinder column connector, an action cylinder column connector bearing is embedded in an action cylinder column connector bearing hole of the action cylinder column connector, a bearing center hole of the action cylinder column connector bearing corresponds to the action cylinder column connector pin shaft hole, the action cylinder column connector pin shaft hole is inserted into the action cylinder column connector pin shaft hole, and the bearing center hole is used for enabling the action cylinder column connector to be fixed with the tooth shell in the action cylinder column cavity.
In another specific embodiment of the present invention, a tooth casing shield left connecting screw hole is provided at the upper portion of the left end of the tooth casing, and a tooth casing shield right connecting screw hole is provided at the upper portion of the right end of the tooth casing; the tooth shell protecting cover is formed into a tooth shell protecting cover cavity which is communicated from the left end to the right end of the tooth shell protecting cover and is provided with an opening at the bottom, a left screw hole of the front cavity wall of the tooth shell protecting cover cavity is arranged at the left end of the front cavity wall of the tooth shell protecting cover cavity and at the position corresponding to the left connecting screw hole of the tooth shell protecting cover, a right screw hole of the front cavity wall of the tooth shell protecting cover cavity is arranged at the right end of the front cavity wall of the tooth shell protecting cover cavity and at the position corresponding to the right connecting screw hole of the tooth shell protecting cover, a fixing screw hole of the tooth shell protecting cover cavity is respectively arranged at the left end and the right end of the rear cavity wall of the tooth shell protecting cover cavity and at the positions corresponding to the left and right screw holes of the front cavity wall of the tooth shell protecting cover cavity, a left fixing screw hole of the tooth shell protecting cover is sequentially penetrated through the left screw hole of the front cavity wall of the tooth shell protecting cover cavity and is screwed into the fixing screw hole of the tooth shell protecting cover and is matched with the top wall of the tooth shell and the tooth shell, and the top wall of the tooth shell is slidably matched with the bottom wall of the tooth shell.
In a further embodiment of the invention, the gear housing drive-acting cylinder is a cylinder and is connected to the hydraulic oil line of the hydraulic system of the police climbing vehicle in use.
In a further specific embodiment of the present invention, a cushion is provided at a right edge portion of the landing platform and on a side facing upward in the non-activated state.
In a further specific embodiment of the present invention, a pair of telescopic platform guide rails is respectively formed on the front side and the rear side of the telescopic platform, the telescopic platform guide rails are slidably fitted to the beam walls on the opposite sides of the front and rear beams of the lifting platform frame, the right end portion of the telescopic platform driving acting cylinder body of the telescopic platform driving acting cylinder is hinged to the lifting platform frame through a telescopic platform driving acting cylinder hinge seat, and the telescopic platform driving acting cylinder column of the telescopic platform driving acting cylinder is hinged to the bottom of the telescopic platform through a telescopic platform driving acting cylinder column hinge lug; the telescopic platform driving acting cylinder is an oil cylinder and is connected with a hydraulic oil circuit of a vehicle-mounted hydraulic system of the police climbing assault vehicle in a use state.
In yet another specific embodiment of the present invention, the lifting driving mechanism of the lifting platform frame comprises a lower lifting frame, an upper lifting frame and a lifting frame driving acting cylinder, wherein the lower end of the lower lifting frame is hinged on a front and rear longitudinal beam connecting cross beam fixed between the left ends of the front longitudinal beam and the rear longitudinal beam in the accommodating cavity of the lifting platform frame through a lower lifting frame hinge pin shaft, the upper end of the lower lifting frame is hinged with the lower end of the upper lifting frame through a lifting frame hinge shaft, the upper end of the upper lifting frame is hinged with the bottom of the lifting platform frame through an upper lifting frame hinge pin shaft, a lifting frame driving acting cylinder body of the lifting frame driving acting cylinder corresponds to the left side of the lower lifting frame and is hinged with the front and rear longitudinal beam fixed between the left ends of the front longitudinal beam and the rear longitudinal beam, and the tail end of a lifting frame driving acting cylinder column of the lifting frame driving acting cylinder is hinged with the upper lifting frame through a cylinder column hinge base.
In yet another specific embodiment of the invention, the lifting frame driving acting cylinder is an oil cylinder and is connected with a hydraulic oil circuit of a vehicle-mounted hydraulic system of the police climbing assault vehicle in a use state.
According to the technical scheme provided by the invention, the automatic landing platform overturning mechanism fixedly connected with the hinged shaft of the landing platform is additionally arranged on the front side of the left end of the telescopic platform, so that the automatic landing platform overturning mechanism is beneficial to quickly overturning the landing platform to an unfolding state which tends to be parallel to a floor or to restore to a state of being folded above the telescopic platform in an automatic mode, the landing time of an officer can be shortened, the physical energy consumption of the officer caused by manually overturning the landing platform can be avoided, and the ideal safety can be ensured.
Drawings
Fig. 1 is a schematic view of the lifting platform frame of the present invention in an upwardly raised state.
Figure 2 is a schematic view of the present invention with the lift platform frame in a position restored to the lift platform frame receiving cavity.
Fig. 3 is a detailed structural view of the automatic turnover mechanism of the landing platform shown in fig. 1 and 2.
Fig. 4 is a detailed structural view of the connection between the tooth housing drive action cylinder and the tooth housing and the fixation between the tooth housing shield and the tooth housing shown in fig. 3.
Detailed Description
In order to clearly understand the technical spirit and the advantages of the present invention, the following detailed description is given by way of examples, but the description of the examples is not intended to limit the scope of the present invention, and any equivalent changes made according to the present inventive concept, which are merely in form and not in substance, should be considered as the scope of the present invention.
In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are exemplified by the position state of fig. 1, and thus, it should not be understood as a particular limitation to the technical solution provided by the present invention.
Referring to fig. 1 and 2, there is shown a vehicle body 1, the vehicle body 1 being disposed on a vehicle body chassis 11, and a left bracket 111 being fixed to a left end of the vehicle body chassis 11, and a right bracket 112 being fixed to a right end of the vehicle body chassis 11; a pair of left support uprights 2 and a pair of right support uprights 3 are shown, the left support uprights 2 being in front-rear correspondence with each other and fixed in longitudinal condition to the front and rear ends of the aforesaid left bracket 111, respectively, and the right support uprights 3 being in front-rear correspondence with each other and fixed in longitudinal condition also to the front and rear ends of the aforesaid right bracket 112, respectively; a front longitudinal beam 4a and a rear longitudinal beam 4b which are parallel to each other are shown, the front longitudinal beam 4a is fixed between the upper portion of the front one of the pair of left support columns 2 and the upper portion of the front one of the pair of right support columns 3, the rear longitudinal beam 4b is fixed between the upper portion of the rear one of the pair of left support columns 2 and the upper portion of the rear one of the pair of right support columns 3, a raising and lowering platform frame accommodating chamber 4c is formed between the left ends of the front longitudinal beam 4a and the rear longitudinal beam 4b, and a collecting platform 4d (i.e., a panel is fixed) is laid between the front longitudinal beam 4a and the upper portion of the right end of the rear longitudinal beam 4 b; a lifting platform frame 5 disclosed by fig. 1 is shown, the lifting platform frame 5 corresponds to the aforementioned lifting platform frame accommodating cavity 4c and is accommodated and matched with the aforementioned lifting platform frame, the right end of the lifting platform frame 5 is hinged between the middle parts of the aforementioned front and rear longitudinal beams 4a, 4b in the length direction through a lifting platform frame hinge pin 51, a lifting platform 52 (i.e. a panel is fixed) is laid on the upper surface of the lifting platform frame 5, a lifting platform frame lifting driving mechanism 53 for raising or returning the left end of the lifting platform frame 5 upwards or downwards to the aforementioned lifting platform frame accommodating cavity 4c is arranged at the lower part of the left end of the lifting platform frame 5, and the lower end of the lifting platform frame lifting driving mechanism 53 is hinged between the left ends of the aforementioned front and rear longitudinal beams 4a, 4b in the aforementioned lifting platform frame accommodating cavity 4 c; a telescopic platform 6 is shown, the telescopic platform 6 being in sliding engagement with the aforementioned lifting platform frame 5 and being driven by a telescopic platform drive action cylinder 61 connected between the lifting platform frame 5 and the telescopic platform 6; a landing platform 7 is shown, which landing platform 7 is connected to the left end of the telescopic platform 6 by a landing platform fixing shaft 71.
Preferably, guard rails may be attached to the longitudinal upper surfaces of the side members 4a and the rear side member 4b, respectively. According to the conventional knowledge, under the operation of the lifting platform frame lifting driving mechanism 53, the left end of the lifting platform frame 5 can be raised upwards as shown in fig. 1 or returned to the lifting platform frame accommodating cavity 4c as shown in fig. 2 and placed on the lifting platform placing cross beam 4f fixed between the opposite sides of the front and rear longitudinal beams 4a, 4 b. Furthermore, in the situation shown in fig. 2, the above-mentioned landing platform 7 is in an inactivated state, i.e. in a folded state above the left end corresponding to the lifting platform frame 5, in which state the telescopic platform 6 has not yet been extended to the left. However, in fig. 1, the left end of the lifting platform frame 5 is raised upward by the lifting platform frame lifting driving mechanism 53, and the telescopic platform 6 extends leftward from the lifting platform frame 5, while the landing platform 7 is still in the non-activated state above the left end of the telescopic platform 6. On the contrary, as shown in fig. 2, the landing platform 7 corresponds to the upper left end of the lifting platform frame 5, that is, corresponds to the upper left end of the lifting platform 52 in a state of keeping a distance from the lifting platform 52. A climbing ladder is fixed to the staging platform 4d between a pair of right support uprights 3 corresponding to the aforementioned and by means of the rear brackets 112, for the police to climb onto the staging platform 4d.
The technical key point of the technical scheme provided by the invention is that the structural system of the police climbing assault car further comprises an automatic landing platform overturning mechanism 8, the automatic landing platform overturning mechanism 8 is arranged on the front side of the left end of the telescopic platform 6 and is fixedly connected with the front end of the landing platform fixing shaft 71, and the landing platform 7 is fixedly connected with the rear end of the landing platform fixing shaft 71.
As can be seen from the above description, the automatic landing platform turning mechanism 8 and the landing platform 7 are coaxially and fixedly connected to the landing platform fixing shaft 71.
Referring to fig. 3 in conjunction with fig. 1 and 2, a landing platform connecting plate 62 extends from a front side of a left end of the telescopic platform 6, a landing platform end side plate 72 is formed at an end of the landing platform 7 facing the landing platform fixing shaft 71, i.e., facing a rear end of the landing platform fixing shaft 71, more specifically, at an end of the landing platform connecting plate 62, a landing platform connecting lug 721 extends from the landing platform end side plate 72 and corresponds to the rear end of the landing platform fixing shaft 71, the rear end of the landing platform fixing shaft 71 is fixed to the landing platform connecting lug 721, so that the landing platform 7 is fixedly connected to the rear end of the landing platform fixing shaft 71, and a middle portion of the landing platform fixing shaft 71 is rotatably connected to the landing platform connecting plate 62, for example, a bearing is disposed on the landing platform connecting plate 62 and corresponds to the middle portion of the landing platform fixing shaft 71, and the middle portion of the landing platform fixing shaft 71 is rotatably connected (i.e., rotatably engaged) to the landing platform connecting plate 62 through the bearing. The landing platform automatic turnover mechanism 8 arranged at the front side of the left end of the telescopic platform 6 is fixedly connected with the front end of the landing platform fixed shaft 71 at the position of the landing platform connecting plate 62 preferably in a welding manner.
Referring to fig. 3 and 4 with emphasis and with continued reference to fig. 1 to 2, the aforementioned automatic landing platform overturning mechanism 8 comprises a gear housing driving acting cylinder 81, a gear housing 82, a gear housing guard 83, a left chain wheel 84, a right chain wheel 85, a chain 86 and a sliding guide plate 87, wherein a cylinder body hinge lug 812 is arranged at the right end of the cylinder body of the gear housing driving acting cylinder 81, the cylinder body hinge lug 812 is hinged with the front side of the left end of the telescopic platform 6 through a cylinder body hinge lug pin 8121, the gear shell driving action cylinder column 811 of the gear shell driving action cylinder 81 faces to the left, a cylinder chamber 821 which penetrates from the left end to the right end of the gear housing 82 and is opened at the lower part is formed at the lower part of the gear housing 82 in the length direction, a pair of teeth 822 are formed at intervals in the upper part of the tooth housing 82 in the longitudinal direction, the tooth housing drive action cylinder 811 is connected to the tooth housing 82 in the action cylinder chamber 821, the tooth housing guard 83 is covered on the outside of the tooth housing 82 and fixed to the tooth housing 82, the left sprocket 84 is fixed to the front end of the landing platform fixed shaft 71 at a position corresponding to the front side of the landing platform connecting plate 62 and preferably fixed to the front end of the landing platform fixed shaft 71 in a flat key manner, the right sprocket 85 is rotatably provided to the front end of the left end of the telescopic platform 6 at a position corresponding to the right of the left sprocket 84 by a right sprocket shaft 851 provided with a right sprocket bearing 8511, the left end of the chain 86 is fitted over the left sprocket 84, and the right end is fitted over the right sprocket 85, and the middle part of the chain 86 is in driving fit with the aforementioned set of teeth 822, the slide guide plate 87 is fixed to the front side of the left end of the telescopic platform 6 at a position corresponding to the lower part of the left and right sprockets 84, 85, the slide guide plate 87 is formed with a slide guide cavity 871, and the tooth housing shield 83 is slidably fitted with the slide guide cavity 871 together with the tooth housing 82.
As shown in fig. 3 and 4, an acting cylinder connecting head pin shaft hole 8211 is respectively formed in the middle of the front cavity wall and the rear cavity wall of the acting cylinder cavity 821 of the gear housing 82 at positions corresponding to each other; an acting cylinder post connector 8111 is formed at the tail end of the gear shell driving acting cylinder post 811, an acting cylinder post connector bearing 8112 is embedded in an acting cylinder post connector bearing hole 81111 of the acting cylinder post connector 8111, a bearing center hole 81121 of the acting cylinder post connector bearing 8112 corresponds to the acting cylinder post connector pin shaft hole 8211, and the acting cylinder post connector 8111 is fixed with the gear shell 82 in the acting cylinder post cavity 821 by inserting an acting cylinder post connector pin shaft 81112 into the acting cylinder post connector pin shaft hole 8211 and the bearing center hole 81121.
A tooth casing shield left connecting screw hole 823 is arranged at the upper part of the left end of the tooth casing 82, and a tooth casing shield right connecting screw hole 824 is arranged at the upper part of the right end of the tooth casing 82; the tooth casing shield 83 is formed with a tooth casing shield cavity 831 which penetrates from the left end to the right end of the tooth casing shield 83 and is formed with an opening at the bottom, a tooth casing shield front cavity wall left screw hole 8311 is opened at the left end of the front cavity wall of the tooth casing shield cavity 831 and at a position corresponding to the tooth casing shield left connecting screw hole 823, a tooth casing shield front cavity wall right screw hole 8312 is opened at the right end of the front cavity wall of the tooth casing shield cavity 831 and at a position corresponding to the tooth casing shield right connecting screw hole 824, a tooth casing shield fixing screw hole 8313 is opened at each of the left end and the right end of the rear cavity wall of the tooth casing shield cavity 831 and at a position corresponding to the tooth casing shield cavity front cavity wall left, right, respectively, a tooth casing shield fixing screw hole 8311 and a tooth casing shield right connecting screw hole 8312 are opened at the left end and the right end of the rear cavity wall of the tooth casing shield cavity 831 and are opened at positions corresponding to the tooth casing shield cavity front cavity wall left, right connecting screw hole 8311 and the tooth casing shield cavity wall right connecting screw hole 8312 in order by the tooth casing shield fixing screw hole 83111 and a tooth casing shield fixing screw hole 8313 which is opened at the top and the tooth casing shield cavity wall 82 is opened at the top and the tooth casing shield fixing screw hole 8313 and the tooth casing shield cavity wall 82 which are opened at the tooth casing shield cavity wall.
In the present embodiment, the aforementioned pinion housing drive-acting cylinder 81 is a cylinder and is connected to the hydraulic oil passage of the onboard hydraulic system of the police climbing assault car in the use state.
A cushion 73 is provided at a right end edge portion of the landing platform 7 and on a side facing upward in the non-activated state, and when the landing platform 7 is turned to the state shown in fig. 3, the cushion 73 faces downward, whereas the state shown in fig. 1 and 2 faces upward.
As shown in fig. 3, a pair of telescopic platform guide rails 63 are respectively formed on the front side and the rear side of the telescopic platform 6, the telescopic platform guide rails 63 are slidably engaged with the opposing side beam walls of the front and rear beams of the lifting platform frame 5, the right end portion of the telescopic platform driving acting cylinder body of the telescopic platform driving acting cylinder 61 is hinged to the lifting platform frame 5 through a telescopic platform driving acting cylinder hinge base 612 (shown in fig. 2), and the telescopic platform driving acting cylinder column 611 of the telescopic platform driving acting cylinder 61 is hinged to the bottom of the telescopic platform 6 through a telescopic platform driving acting cylinder column hinge lug 6111; the telescopic platform driving acting cylinder 61 is a cylinder and is connected with a vehicle-mounted hydraulic system hydraulic oil line of a police climbing assault vehicle in a using state.
Referring to fig. 1, the lift driving mechanism 53 of the lift platform frame includes a lower lift frame 531, an upper lift frame 532 and a lift driving cylinder 533, wherein the lower end of the lower lift frame 531 (i.e., the left end in the state shown in fig. 2) is hinged to a front-rear longitudinal beam connecting cross beam 4e fixed between the front longitudinal beam 4a and the left end of the rear longitudinal beam 4b in the lift platform frame accommodating chamber 4c through a lower lift frame hinge pin, the upper end of the lower lift frame 531 (i.e., the right end in the state shown in fig. 2) is hinged to the lower end of the upper lift frame 532 (i.e., the left end in the state shown in fig. 2) through a lift frame hinge pin 534, the upper end of the upper lift frame 532 (i.e., the right end in the state shown in fig. 2) is hinged to the bottom of the lift platform frame 5 through a lift frame hinge pin 5321, the lift driving cylinder body of the lift driving cylinder 533 is hinged to the left side of the lower lift frame 531 and to the front-rear connecting cross beam 4e fixed between the front longitudinal beam 4a left end of the front longitudinal beam 4a and the left end of the rear longitudinal beam 4b, and the end of the lift cylinder 5331 of the lift driving cylinder 533 is hinged to the lift frame 4b through a lift cylinder base.
In this embodiment, the aforementioned crane driving acting cylinder 533 is a cylinder and is connected to the hydraulic oil line of the onboard hydraulic system of the police climbing assault car in the use state.
After the police climbing assault car arrives at the police site and is parked, the police officer in the cab of the car body 1 operates, for example, the crane driving cylinder 533 of the lifting platform frame lifting driving mechanism 53 of the structural system of the lifting platform frame 5 is first operated to extend the crane driving cylinder post 5331 out of the cylinder body to push the lifting platform frame 532 and the left end of the lifting platform frame 5 is pushed up by the lifting platform frame 532, and the raising degree is determined according to the requirements of the police work, specifically, the greater the extent of extension of the crane driving cylinder post 5331 out of the cylinder body, the greater the raising degree of the left end of the lifting platform frame 5, and vice versa. After the left end of the lifting platform frame 5 is raised or while the left end of the lifting platform frame 5 is raised, the telescopic platform driving acting cylinder 61 works, and the telescopic platform driving acting cylinder column 611 pushes the telescopic platform 6 to move leftwards and reach the state shown in fig. 1.
In order to enable the landing platform 7 to be automatically turned over, the operation is also carried out by a police officer in the cab, and the specific action process is as follows: the telescopic platform driving acting cylinder column 611 retracts into the cylinder body, the gear housing 82 and the gear housing shield 83 are pushed by the telescopic platform driving acting cylinder column 611 to move rightwards, the chain 86 is driven by the group of teeth 822, the left and right chain wheels 84 and 85 rotate anticlockwise, the landing platform fixed shaft 71 is driven by the left chain wheel 84, the landing platform 7 is driven by the landing platform fixed shaft 71 to turn over, when the gear housing 82 and the gear housing shield 83 move to the right end of the sliding guide cavity 871, the landing platform 7 turns over to the unfolding state shown in fig. 3, namely, the landing platform 7 is changed into the state shown in fig. 3 from the state shown in fig. 1 and fig. 2, and the cushion pad 73 is placed on a floor or other similar objects capable of being placed, such as a floor windowsill, a floor platform and the like, when the landing platform 7 is in the unfolding state. An officer who has reached the staging platform 4d by means of the climbing ladder mentioned above can enter the room for an alarm by passing over the lifting platform 52, the telescopic platform 6 and the landing platform 7.
When the police is to be disarmed, the operation is performed in the reverse manner, so as to recover the landing platform 7, for example, the telescopic platform drives the acting cylinder column 611 to extend outward of the cylinder body, so as to push the tooth housing 82 and the tooth housing shield 83 to move leftward, the group of teeth 822 drives the chain 86, so that the left and right sprockets 84 and 85 rotate clockwise, when the tooth housing 82 and the tooth housing shield 83 move to the left end of the sliding guide cavity 871, the left sprocket 84 drives the front end of the landing platform fixing shaft 71, and the rear end of the landing platform fixing shaft 71 drives the landing platform 7, so that the landing platform 7 is recovered to the non-activated state shown in fig. 1 and 2. Then, the retractable platform 6 is retracted into the platform frame 5 and the platform frame 5 is reset into the platform frame accommodating chamber 4c according to the above-mentioned reverse process.
In conclusion, the technical scheme provided by the invention overcomes the defects in the prior art, successfully completes the invention task and truly realizes the technical effects of the applicant in the technical effect column.
Claims (10)
1. A police climbing assault vehicle with an automatic landing platform overturning function comprises a vehicle body (1), wherein the vehicle body (1) is arranged on a vehicle body chassis (11), a left support (111) is fixed at the left end of the vehicle body chassis (11), and a right support (112) is fixed at the right end of the vehicle body chassis (11); a pair of left support columns (2) and a pair of right support columns (3), wherein the left support columns (2) correspond to each other in the front-back direction and are respectively fixed at the front end and the rear end of the left bracket (111) in the longitudinal state, and the right support columns (3) correspond to each other in the front-back direction and are respectively fixed at the front end and the rear end of the right bracket (112) in the longitudinal state; a front longitudinal beam (4 a) and a rear longitudinal beam (4 b) which are parallel to each other in the front-rear direction, the front longitudinal beam (4 a) is fixed between the upper portion of one of the left support columns (2) located in the front direction and the upper portion of one of the right support columns (3) located in the front direction, the rear longitudinal beam (4 b) is fixed between the upper portion of one of the left support columns (2) located in the rear direction and the upper portion of one of the right support columns (3) located in the rear direction, a lifting platform frame accommodating cavity (4 c) is formed between the front longitudinal beam (4 a) and the left end of the rear longitudinal beam (4 b), and a collecting platform (4 d) is laid between the front longitudinal beam (4 a) and the upper portion of the right end of the rear longitudinal beam (4 b); a lifting platform frame (5), this lifting platform frame (5) with the lifting platform frame holds the chamber (4 c) corresponding and compatible cooperation of receiving, the right-hand member of this lifting platform frame (5) articulates through lifting platform frame hinge pin (51) between the length direction's of preceding, back longeron (4 a, 4b middle part, and has laid a lifting platform (52) at the upper surface of lifting platform frame (5), is provided with in the left end lower part of lifting platform frame (5) to be used for making the left end of lifting platform frame (5) raise upwards or reply downwards to a lifting platform frame lift actuating mechanism (53) that the chamber (4 c) was held to the lifting platform frame, the lower extreme of this lifting platform frame lift actuating mechanism (53) is in the lifting platform frame holds the chamber (4 c) and articulates between the left ends of preceding, back longeron (4 a, 4 b); a telescopic platform (6), the telescopic platform (6) is in sliding fit with the lifting platform frame (5) and is driven by a telescopic platform driving acting cylinder (61) connected between the lifting platform frame (5) and the telescopic platform (6); the landing platform (7) is connected with the left end of the telescopic platform (6) through a landing platform fixing shaft (71); the automatic landing platform turnover mechanism is characterized by further comprising an automatic landing platform turnover mechanism (8), wherein the automatic landing platform turnover mechanism (8) is arranged on the front side of the left end of the telescopic platform (6) and is fixedly connected with the front end of the landing platform fixing shaft (71), and the landing platform (7) is fixedly connected with the rear end of the landing platform fixing shaft (71).
2. The police climbing assault vehicle having an automatic landing platform tilting function according to claim 1, wherein a landing platform connecting plate (62) extends from a front side of a left end of the telescopic platform (6), a landing platform end side plate (72) is formed at an end of the landing platform (7) facing the landing platform fixing shaft (71), a landing platform coupling lug (721) extends from the landing platform end side plate (72) at a position corresponding to a rear end of the landing platform fixing shaft (71), the rear end of the landing platform fixing shaft (71) is fixed to the landing platform coupling lug (721), a middle portion of the landing platform fixing shaft (71) is rotatably coupled to the landing platform connecting plate (62), and the landing platform automatic tilting mechanism (8) provided at the front side of the left end of the telescopic platform (6) is coupled to the front end of the landing platform fixing shaft (71) at a position of the landing platform connecting plate (62).
3. The police climbing assault vehicle with the automatic landing platform overturning function according to claim 2, wherein the automatic landing platform overturning mechanism (8) comprises a gear housing driving acting cylinder (81), a gear housing (82), a gear housing shield (83), a left chain wheel (84), a right chain wheel (85), a chain (86) and a sliding guide plate (87), a cylinder body hinging lug (812) is arranged at the right end of the cylinder body of the gear housing driving acting cylinder (81), the cylinder body hinging lug (812) is hinged with the front side of the left end of the telescopic platform (6) through a cylinder body hinging lug pin shaft (8121), a gear housing driving acting cylinder column (811) of the gear housing driving acting cylinder (81) faces to the left, an action cylinder cavity (821) which penetrates from the left end to the right end of the gear shell (82) and is open at the lower part is formed at the lower part of the gear shell (82) in the length direction, a group of teeth (822) which are distributed at intervals are formed at the upper part of the gear shell (82) in the length direction, the gear shell driving action cylinder column (811) is connected with the gear shell (82) in the action cylinder cavity (821), a gear shell shield (83) is covered outside the gear shell (82) and is fixed to the gear shell (82), a left chain wheel (84) is fixed to the front end of the landing platform fixed shaft (71) at a position corresponding to the front side of the landing platform connecting plate (62), and a right chain wheel (85) is rotatably arranged at a position corresponding to the right side of the left chain wheel (84) On the front side of the left end of the telescopic platform (6), the left end of a chain (86) is sleeved on a left chain wheel (84), the right end of the chain is sleeved on a right chain wheel (85), the middle part of the chain (86) is in transmission fit with a group of teeth (822), a sliding guide plate (87) is fixed with the front side of the left end of the telescopic platform (6) at a position between the lower parts corresponding to the left and right chain wheels (84, 85), a sliding guide cavity (871) is formed by the sliding guide plate (87), and the tooth shell shield (83) is in sliding fit with the tooth shell (82) and the sliding guide cavity (871).
4. The climbing assault car for police with the landing platform automatic overturning function as claimed in claim 3, wherein a cylinder connecting head pin shaft hole (8211) is respectively formed in the middle of the front cavity wall and the rear cavity wall of the acting cylinder cavity (821) of the gear housing (82) and in the positions corresponding to each other; tooth shell drive action cylinder post (811)'s end constitutes has an effect cylinder post connector (8111), has set up an effect cylinder post connector bearing (8112) in the effect cylinder post connector dead eye (81111) of this effect cylinder post connector (8111), the bearing centre bore (81121) of this effect cylinder post connector bearing (8112) with effect cylinder post connector dead eye (8211) are corresponding, insert by effect cylinder post connector dead eye (81112) effect cylinder post connector dead eye (8211) and bearing centre bore (81121) will effect cylinder post connector (8111) is in fixed with tooth shell (82) in the effect cylinder post chamber (821).
5. The police climbing assault car with the landing platform automatic overturning function according to claim 3, wherein a gear shell shield left connecting screw hole (823) is formed in the upper portion of the left end of the gear shell (82), and a gear shell shield right connecting screw hole (824) is formed in the upper portion of the right end of the gear shell (82); the gear housing shield (83) is formed into a gear housing shield cavity (831) which penetrates from the left end to the right end of the gear housing shield (83) and is provided with an opening at the bottom, a left screw hole (8311) of the front cavity wall of the gear housing shield is arranged at the left end of the front cavity wall of the gear housing shield cavity (831) and at the position corresponding to the left connecting screw hole (823) of the gear housing shield, a right screw hole (8312) of the front cavity wall of the gear shell shield cavity is arranged at the right end of the front cavity wall of the gear shell shield cavity (831) and at the position corresponding to the right connecting screw hole (824) of the gear shell shield, a tooth shell shield fixing threaded hole (8313) is respectively arranged at the left end and the right end of the rear cavity wall of the tooth shell shield cavity (831) and at the positions corresponding to the left screw hole (8311) and the right screw hole (8312) of the front cavity wall of the tooth shell shield cavity, a tooth shell shield left fixing screw (83111) sequentially passes through the left screw hole (8311) of the front cavity wall of the tooth shell shield and the left connecting screw hole (823) of the tooth shell shield and is screwed into one tooth shell shield fixing threaded hole (8313) at the left end, and a tooth shell shield right fixing screw (83112) sequentially passes through the right screw hole (8312) of the front cavity wall of the tooth shell shield cavity and the right connecting screw hole (824) of the tooth shell shield and is screwed into one tooth shell shield fixing threaded hole (8313) at the right end to fix the tooth shell shield (83) and the tooth shell (82), and the top surface and the bottom surface of the tooth shell shield (83) are respectively in sliding fit with the cavity top wall and the cavity bottom wall of the sliding guide plate cavity (871).
6. A police climbing assault vehicle with an automatic landing platform overturning function according to claim 3, characterized in that the gear housing driving acting cylinder (81) is an oil cylinder and is connected with a hydraulic oil circuit of a vehicle-mounted hydraulic system of the police climbing assault vehicle in a use state.
7. Police climbing vehicle with automatic landing platform turnover function according to claim 1 or 2, characterized in that a buffer pad (73) is arranged at the right edge of the landing platform (7) and on the side facing upwards in the non-activated state.
8. The police climbing assault vehicle with landing platform automatic turning function according to claim 1, characterized in that a pair of telescopic platform guide rails (63) are formed on the front side and the rear side of the telescopic platform (6), the telescopic platform guide rails (63) are in sliding fit with the beam wall on the opposite side of the front and rear beams of the lifting platform frame (5), the right end of the telescopic platform driving action cylinder body of the telescopic platform driving action cylinder (61) is hinged with the lifting platform frame (5) through a telescopic platform driving action cylinder hinged seat (612), and the telescopic platform driving action cylinder column (611) of the telescopic platform driving action cylinder (61) is hinged with the bottom of the telescopic platform (6) through a telescopic platform driving action cylinder column hinged ear (6111); the telescopic platform driving acting cylinder (61) is an oil cylinder and is connected with a vehicle-mounted hydraulic system hydraulic oil circuit of the climbing assault car for the police in a use state.
9. The police climbing assault vehicle with the landing platform automatic overturning function as claimed in claim 1, wherein the lifting platform frame lifting driving mechanism (53) comprises a lower lifting frame (531), a lifting frame (532) and a lifting frame driving acting cylinder (533), the lower end of the lower lifting frame (531) is hinged to a front and rear longitudinal beam connecting cross beam (4 e) fixed between the left ends of the front longitudinal beam (4 a) and the rear longitudinal beam (4 b) in the lifting platform frame accommodating cavity (4 c) through a lower lifting frame hinged pin shaft, the upper end of the lower lifting frame (531) is hinged to the lower end of the lifting frame (532) through a lifting frame hinged shaft (534), the upper end of the lifting frame (532) is hinged to the bottom of the lifting platform frame (5) through a lifting frame hinged base pin shaft (5321), the lifting frame driving acting cylinder body of the lifting frame driving acting cylinder (533) corresponds to the left side of the lower lifting frame (531) and is hinged to the front and rear longitudinal beam (4 e) fixed between the front longitudinal beam (4 a) and the left end of the rear longitudinal beam (4 b), and the lifting frame driving acting cylinder (533) is hinged to the lifting frame driving cylinder (532).
10. A police climbing assault vehicle with an automatic landing platform overturning function according to claim 9, wherein the lifting frame driving acting cylinder (533) is a cylinder and is connected with a hydraulic oil circuit of a vehicle-mounted hydraulic system of the police climbing assault vehicle in a use state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211196381.6A CN115490194A (en) | 2022-09-29 | 2022-09-29 | Police climbing assault vehicle with automatic landing platform overturning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211196381.6A CN115490194A (en) | 2022-09-29 | 2022-09-29 | Police climbing assault vehicle with automatic landing platform overturning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115490194A true CN115490194A (en) | 2022-12-20 |
Family
ID=84471739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211196381.6A Pending CN115490194A (en) | 2022-09-29 | 2022-09-29 | Police climbing assault vehicle with automatic landing platform overturning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115490194A (en) |
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2022
- 2022-09-29 CN CN202211196381.6A patent/CN115490194A/en active Pending
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