Explosion-proof supporting disk for tire of electric meter box transport vehicle
Technical Field
The invention relates to a tire, in particular to an explosion-proof support plate for a tire of a power meter box transportation automobile, and particularly relates to an explosion-proof support plate for a tire of a power meter box transportation automobile, which can be supported by the explosion-proof support plate under the condition that the automobile tire explodes to prevent the automobile from turning over.
Background
Along with the continuous development of the electric power industry that has also further promoted when the standard of living constantly improves, wherein the ammeter case is one of indispensable equipment in present electric power industry, thereby can utilize the ammeter case to concentrate the wattmeter and place, thereby further make things convenient for the power worker to look over the wattmeter, wherein in the production transportation of present ammeter case, most all utilize to utilize large-scale boxcar to concentrate the transportation to the ammeter case, wherein in present boxcar transportation, although can carry out the transportation of concentrating to the ammeter case, but still have following problem: in the process of transporting the electric power meter box by utilizing the boxcar, the boxcar is in the running process, due to reasons such as road jolt, tires of the boxcar explode, when the boxcar runs at a high speed, due to the explosion of the tires, serious consequences of rollover of the boxcar can further occur, certain life danger can be caused for a driver, meanwhile, the danger of rear-end collision can be caused for the following vehicle, certain congestion can be caused for a road, and due to the fact that the weight of the electric power meter box is light, the electric power meter box can be loaded very high in the process of carrying and loading, the electric power meter box can be thrown out of the boxcar when the boxcar rolls over, the electric power meter box can be thrown to other running vehicles, and more dangers can be caused for the vehicles running on other lanes.
Therefore, the anti-explosion supporting disc for the automobile tire of the electric meter box is necessary to be designed so as to solve the technical problem.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides an explosion-proof supporting disk for a tire of a power meter box transportation automobile, which is simple in structure, can be connected with an explosion-proof supporting disk on a rim, is provided with a fixed pressing block corresponding to the tire, can elastically press the fixed pressing block under the action of a first spring in the tire explosion process, can further drive the first sliding shaft to slide, can further drive the third sliding shaft to slide in the sliding process of the first sliding shaft, is also provided with a sliding rod in the explosion-proof supporting disk, and is connected with a positioning plate, so that the sliding rod can be further pulled to move under the action of a second spring, the fixed disk is further pulled to move, and an explosion-proof supporting column arranged in the explosion-proof supporting disk can be further pulled in the moving process of the fixed disk Carry out the roof pressure to can utilize the explosion-proof support column to support the tire, thereby reach the purpose that supports the explosion-proof tire, further avoid the emergence because of the accident that the tire explosion leads to.
The invention is realized by the following technical scheme:
an explosion-proof support disc for a tire of a power meter box transportation automobile comprises a rim, wherein support frames are arranged on the rim, a support frame through hole is formed between every two adjacent support frames, a tire is arranged on the rim, rim fixing grooves are further formed in the rim, the rim is correspondingly connected with an explosion-proof support disc corresponding to the tire, the explosion-proof support disc comprises a circle of first grooves corresponding to the tire, fixing pressing blocks corresponding to the tire are respectively arranged in the first grooves, first sliding shafts are respectively connected onto the fixing pressing blocks, a second groove and a first fixing groove correspondingly communicated with the second groove are further formed in the explosion-proof support disc, a sliding rod is arranged in the second groove, and a fixing disc sliding in the first fixing groove is connected onto the sliding rod, the anti-explosion support disc is characterized in that a first spring and a second spring are arranged in the anti-explosion support disc respectively, the first spring is used for elastically pressing the first sliding shaft, the second spring is used for pulling the sliding rod, a third sliding shaft correspondingly connected with the first sliding shaft is arranged in the anti-explosion support disc respectively, the end part of the sliding rod is connected with a positioning plate, the positioning plate is corresponding to the third sliding shaft, a circle of anti-explosion support disc is further arranged in the anti-explosion support disc, a fourth sliding hole corresponding to the fixed disc is formed in the anti-explosion support disc, an anti-explosion support column corresponding to the fixed disc is arranged in the fourth sliding hole respectively, the anti-explosion support column is corresponding to a tire, a circle of anti-explosion support disc is further connected with a connection threaded shaft corresponding to the support frame through hole, and a connection pressing plate corresponding to the support.
The wheel rim is connected with an explosion-proof supporting disk, the explosion-proof supporting disk is provided with a circle of first grooves corresponding to the tire, the first grooves are respectively internally provided with a sliding fixed pressing block, the fixed pressing blocks are respectively connected with a first sliding shaft, the first sliding shaft can be pressed by the elastic pressure of a first spring in the tire explosion process, so that the first sliding shaft can be further driven to slide, the first sliding shaft can be simultaneously driven to slide in the sliding process of the first sliding shaft, the explosion-proof supporting disk is also internally provided with a second groove, the second groove is internally provided with a sliding rod, the sliding rod is connected with a positioning plate corresponding to the third sliding shaft, so that the sliding rod can be pulled by the tensioning force of a second spring, and the sliding rod can be further driven to slide in the sliding process of the third sliding shaft, thereby can simultaneous pulling slide simultaneously of fixed disk be equipped with round fourth slide opening in the explosion-proof supporting disk be equipped with a gliding explosion-proof support column in the fourth slide opening respectively, thereby can fixed disk slip in-process is right the explosion-proof support column carries out the roof pressure, thereby can make the explosion-proof support column pops out in the fourth slide opening, thereby can utilize behind the tire explosion the explosion support column supports, thereby further avoided the emergence of the accident that leads to because of the tire explosion, further guaranteed driver and pedestrian's safety, and can be connected with on the explosion-proof supporting disk round with the corresponding connection threaded shaft of support frame through-hole, thereby can utilize the connection threaded shaft correspondence to be connected on the rim, thereby further convenient right the installation and.
Furthermore, a first sliding hole correspondingly communicated with the first groove is respectively arranged in the explosion-proof supporting disc, a second sliding hole correspondingly communicated with the first sliding hole is respectively arranged in the explosion-proof supporting disc, a third sliding hole correspondingly communicated with the second sliding hole is respectively arranged in the explosion-proof supporting disc, the third sliding holes are respectively correspondingly communicated with the second groove, the first sliding shafts respectively slide in the first sliding holes, second rotating shafts are respectively arranged on the first sliding shafts, the second rotating shafts are respectively connected with a rotating second sliding shaft, the third sliding shafts are respectively correspondingly connected with the second sliding shafts through third rotating shafts, the second sliding shafts slide in the second sliding holes, the third sliding shafts respectively slide in the third sliding holes, the first sliding hole and the second sliding hole respectively comprise a first rotating shaft connected with the explosion-proof supporting disc, the first sliding shaft and the second sliding shaft are respectively provided with a first sliding chute and a second sliding chute, the first sliding shaft and the second sliding shaft respectively slide on the first rotating shaft through the first sliding chute and the second sliding chute, the first sliding shaft is respectively connected with a top pressing block which slides in the first sliding hole, the first spring elastically presses the top pressing block, the explosion-proof supporting plate is respectively provided with a first sliding hole which is correspondingly communicated with the first groove, the first sliding shaft slides in the first sliding hole, so that the second sliding shaft can be simultaneously driven to slide in the sliding process of the first sliding shaft, the action of the third sliding shaft is further pulled, the positioning plate can be further separated from the third sliding shaft by utilizing the sliding process of the third sliding shaft, and the sliding rod further acts under the action of the second spring, thereby pulling the sliding of fixed disk, be equipped with a first spout and second spout respectively on first slide-shaft and the second slide-shaft, be equipped with a first pivot respectively in first slide opening with the second slide opening to can make first slide-shaft and the second slide-shaft rotate on the first pivot, thereby can utilize first pivot guarantee to the slip orbit of first slide-shaft and second slide-shaft, thereby guarantee the normal correspondence of third slide-shaft with the locating plate is connected.
Furthermore, still be equipped with in the explosion-proof supporting disk one with the corresponding third recess that communicates of second recess, the second spring is established in the third recess, the second spring correspondence is connected on the locating plate, can set up one in the explosion-proof supporting disk with the corresponding third recess that communicates of second recess, thereby can with the second spring correspondence is established in the third recess, thereby can utilize the second spring is right the locating plate is taut, thereby can utilize in the tire explosion process the second spring pulling the action of slide bar.
Furthermore, a second fixing groove which is correspondingly communicated with the first fixing groove is also arranged on the explosion-proof supporting disk, the second fixing groove is in a trapezoidal shape, the fourth sliding holes are respectively communicated with the second fixing grooves correspondingly, the explosion-proof supporting disk is also respectively provided with a spring pressing groove correspondingly communicated with the fourth sliding holes, the explosion-proof supporting columns are respectively connected with a spring pressing plate which slides in the spring pressing grooves, the spring pressing grooves also comprise a third spring which is connected with the explosion-proof supporting columns, the third spring presses the spring pressing plate, the elastic pressure of the third spring can be utilized, thereby it is further right the explosion-proof support column is suppressed to further avoided the arbitrary slippage of explosion-proof support column to go out the fourth sliding hole, thereby avoided the influence that the explosion-proof support column slippage led to the fact the driving in the fourth sliding hole.
Furthermore, the fourth slide hole is internally provided with a separation baffle sheet which is connected to the explosion-proof supporting disc, the separation baffle sheet corresponds to the explosion-proof supporting column, and a separation baffle sheet can be arranged in the fourth slide hole, so that foreign matters in the driving process are prevented from entering the fourth slide hole, and the normal ejection of the explosion-proof supporting column is further ensured.
Further, be equipped with one on the fixed disk and be curved direction cambered surface, explosion-proof support column respectively with the direction cambered surface is corresponding, can set up one on the fixed disk and be curved direction cambered surface, thereby can the fixed disk slip in-process can make the direction cambered surface with explosion-proof support column contacts, thereby can utilize and be curved structure thereby explosion-proof support column is along with the smooth and easy slip of curved direction cambered surface, thereby can guarantee explosion-proof support column smooth and easy follow the fourth sliding hole pops out.
Furthermore, a circle of connecting threaded holes are formed in the explosion-proof supporting disk, the connecting threaded shafts are respectively and correspondingly connected in the connecting threaded holes, through holes corresponding to the connecting threaded shafts are respectively formed in the connecting pressing plates, the connecting threaded shafts are also respectively connected with fixing nuts corresponding to the connecting pressing plates, the connecting threaded shafts can be correspondingly connected in the connecting threaded holes, so that the connecting pressing plates can be correspondingly pressed on the supporting frame arranged on the rim, the fixing nuts arranged on the connecting threaded shafts can be used for pressing the connecting pressing plates, and the explosion-proof supporting disk can be connected to the rim.
Furthermore, a circle of pressing cavities corresponding to the rim fixing grooves are further arranged on the explosion-proof supporting disk, a sliding pressing shaft is respectively arranged in the pressing cavities, a positioning rod is respectively connected to the sliding pressing shaft, a positioning sleeve head corresponding to the rim fixing grooves is respectively connected to the positioning rod, a fixing groove is respectively arranged on the positioning sleeve head, a pressing shaft sliding hole is respectively arranged on the sliding pressing shaft, a fourth spring is respectively arranged in the pressing shaft sliding hole, the fourth spring respectively biases the sliding pressing shaft, the sliding pressing shaft can be biased by the biasing force of the fourth spring, so that the positioning sleeve head can be further biased, the fixing groove arranged on the positioning sleeve head can be correspondingly connected with the fixing bolt arranged on the rim, so that the fixing sleeve head can be used for supporting and positioning the explosion-proof supporting disk, thereby preventing the anti-explosion supporting disc from deviating in the installation process.
Furthermore, the diameter of the tire is larger than that of the explosion-proof supporting plate, so that the diameter of the tire can be larger than that of the explosion-proof supporting plate, normal running of the tire in the running process is guaranteed, and the influence of the explosion-proof supporting plate on the tire is prevented.
Further, still be equipped with one on the fixed disk and be concave fixed disk recess, including one in the fixed disk recess and connect handle on the fixed disk can utilize the handle to be right in the installation the fixed disk stimulates to further easy to assemble.
Compared with the prior art, the invention has the beneficial effects that: an explosion-proof supporting plate can be connected to the rim, a fixed pressing block corresponding to the tire is arranged on the explosion-proof supporting plate, the first sliding shaft can be pressed under the action of the first spring in the tire explosion process, so that the fixed pressing block is further pressed to slide, the second sliding shaft can be further driven to slide in the sliding process of the first sliding shaft, the third sliding shaft can be driven to slide simultaneously, a sliding slide rod is further arranged in the explosion-proof supporting plate, a positioning plate is connected to the slide rod, the third sliding shaft is clamped with the positioning plate correspondingly, the positioning plate can be separated from the third sliding shaft in the sliding process of the third sliding shaft, the slide rod can be further pulled under the action of the second spring, so that the fixed plate is further pulled to act, the explosion-proof supporting columns arranged in the explosion-proof supporting disks can be further jacked in the action process of the fixed disks, so that the explosion-proof supporting columns can be ejected out of the fourth sliding holes, tires can be supported by the explosion-proof supporting columns, the purpose of supporting the explosion-proof tires is achieved, accidents caused by tire explosion are further avoided, accidents caused by the fact that electric meter boxes on a boxcar are thrown out of the boxcar to other lanes are avoided, property loss is further reduced, meanwhile, traffic jam caused by tire explosion can be avoided, and smooth traffic is further guaranteed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a side view of the overall structure of an explosion-proof support disc of a tire of a transportation automobile of an electric power meter box in the embodiment of the invention.
Fig. 2 is a front view of the whole structure of the explosion-proof support disc of the tire of the electric power meter box transportation automobile in the embodiment of the invention.
Fig. 3 is a schematic view of an overall structure of the first sliding shaft according to the embodiment of the invention.
Fig. 4 is a schematic view of the overall structure of the explosion-proof support column according to the embodiment of the invention.
Fig. 5 is a schematic view of a connection structure of the explosion-proof support disc and the rim according to the embodiment of the invention.
Fig. 6 is a schematic view of the overall structure of the rim according to the embodiment of the present invention.
In the figure: 1 tire, 2 rims, 3 rim fixing grooves, 4 support frame through holes, 5 explosion-proof support plates, 6 first grooves, 7 fixing pressing blocks, 8 first sliding holes, 9 first springs, 10 top pressing blocks, 11 second sliding holes, 12 third sliding holes, 13 first sliding shafts, 14 second sliding shafts, 15 third sliding shafts, 16 first sliding grooves, 17 second sliding grooves, 18 first rotating shafts, 19 second rotating shafts, 20 third rotating shafts, 21 connecting threaded holes, 22 connecting threaded shafts, 23 connecting pressing plates, 24 fixing nuts, 25 second grooves, 26 third grooves, 27 first fixing grooves, 28 second fixing grooves, 29 fourth sliding holes, 30 sliding rods, 31 positioning plates, 32 second springs, 33 fixing plates, 34 explosion-proof supporting columns, 35 elastic pressing grooves, 36 third springs, 37 elastic pressing plates, 38 guide arc surfaces, 39 positioning rod, 40 pressing cavities, 41 sliding pressing shafts, 42 fourth springs, 43 positioning sleeve heads, 44 fixing grooves, 45 separation blocking sheets, 46 shaft pressing sliding holes, 47 supporting frames, 48 pressing cavities, 49 fixing disc grooves, 50 handles, 51 fourth springs and 52 fifth springs.
Detailed Description
As shown in fig. 1 to 6, an electric meter box transportation automobile tire explosion-proof supporting disk comprises a rim 2, wherein the rim 2 is provided with supporting frames 47, a supporting frame through hole 4 is formed between every two adjacent supporting frames 47, the rim 2 is provided with a tire 1, the rim 2 is further provided with a rim fixing groove 3, the rim 2 is further correspondingly connected with an explosion-proof supporting disk 5 corresponding to the tire 1, the explosion-proof supporting disk 5 comprises a circle of first groove 6 corresponding to the tire 1, a fixed pressing block 7 corresponding to the tire 1 is respectively arranged in each first groove 6, each fixed pressing block 7 is respectively connected with a first sliding shaft 13, the explosion-proof supporting disk 5 further comprises a second groove 25 and a first fixing groove 27 correspondingly communicated with the second groove 25, a sliding rod 30 is arranged in the second groove 25, the slide bar 30 is connected with a fixed disc 33 which slides in the first fixed groove 27, the explosion-proof support disc 5 is internally provided with a first spring 9 and a second spring 32, the first spring 9 elastically presses the first slide shaft 13, the second spring 32 pulls the slide bar 30, the explosion-proof support disc 5 is internally provided with a third slide shaft 15 which is correspondingly connected with the first slide shaft 13, the end part of the slide bar 30 is connected with a positioning plate 31, the positioning plate 31 is corresponding to the third slide shaft 15, the explosion-proof support disc 5 is internally provided with a circle of fourth slide holes 29 which are corresponding to the fixed disc 33, the fourth slide holes 29 are internally provided with explosion-proof support columns 34 which are corresponding to the fixed disc 33, the explosion-proof support columns 34 are corresponding to the tire 1, the explosion-proof support disc 5 is also connected with a circle of connecting threaded shafts 22 which are corresponding to the support frame through holes 4, the connecting threaded shafts 22 are respectively connected with a connecting pressing plate 23 corresponding to the supporting frame 47.
An explosion-proof support plate 5 is correspondingly connected to the rim 2, the explosion-proof support plate 5 corresponds to the tire 1, a circle of concave first groove 6 is arranged on the explosion-proof support plate 5, the first groove 6 corresponds to the tire 1, a fixed pressing block 7 is respectively arranged in the first groove 6, the fixed pressing block 7 corresponds to the tire 1, a first sliding shaft 13 is respectively connected to the fixed pressing block 7, a second groove 25 and a first fixing groove 27 are further included in the explosion-proof support plate 5, the first fixing groove 27 is correspondingly communicated with the second groove 25, a sliding slide bar 30 is arranged in the second groove 25, a fixed disc 33 is connected to the slide bar 30, the fixed disc 33 slides in the first fixing groove 27, and a first spring 9 and a second spring 32 are further arranged in the explosion-proof support plate 5, the first spring 9 biases the first sliding shaft 13, the second spring 32 tensions the sliding rod 30, a third sliding shaft 15 correspondingly connected to the first sliding shaft 13 is further respectively disposed in the explosion-proof supporting plate 5, the fixed pressing block 7 can lose supporting force at the moment of explosion of the tire 1, the first spring 9 can be utilized to bias the first sliding shaft 13, so that the fixed pressing block 7 can be separated from the first groove 6, the first sliding shaft 13 can be further driven to slide, the third sliding shaft 15 can be simultaneously driven to slide during the sliding process of the first sliding shaft 13, the sliding rod 30 is further connected with a positioning plate 31, the positioning plate 31 corresponds to the third sliding shaft 15, so that the sliding rod 30 can be pulled under the tensioning force of the second spring 32, and the third sliding shaft 15 can be correspondingly clamped to the positioning plate 31, the slide rod 30 is prevented from sliding randomly, the positioning plate 31 can be separated from the third slide shaft 15 in the sliding process of the third slide shaft 15, so that the slide rod 30 can be pulled to slide under the action of the second spring 32, the fixed disk 33 can be further pulled to slide, a circle of fourth slide holes 29 corresponding to the fixed disk 33 are arranged in the explosion-proof supporting plate 5, explosion-proof supporting columns 34 are respectively arranged in the fourth slide holes 29, the explosion-proof supporting columns 34 correspond to the fixed disk 33, the explosion-proof supporting columns 34 slide in the fourth slide holes 29, the explosion-proof supporting columns 34 can be further pressed in the sliding process of the fixed disk 33, so that the explosion-proof supporting columns 34 can be ejected out of the fourth slide holes 29, and the explosion-proof supporting columns 34 can be supported by the fixed disk 33 after the explosion-proof supporting columns 34 are ejected out of the fourth slide holes 29, the tire 1 after explosion can be supported by the explosion-proof support column 34 which is elastically pressed out, so that the vehicle is prevented from being out of control due to explosion, the rim 2 is supported by the explosion-proof support column 34, the danger that an electric meter box in a carriage is thrown out of the carriage to drive other lanes due to the inclination of the vehicle is prevented, the life danger to a driver due to the accident of the truck is further avoided, the life safety of the driver is further ensured, the traffic jam influence due to the danger of the truck is also avoided, the property loss is further reduced, the explosion-proof support plate 5 is also provided with a circle of connecting threaded shafts 22, the connecting threaded shafts 22 correspond to the support frame through holes 4, the explosion-proof support plate 5 can be connected with a circle of connecting threaded shafts 22, and the connecting threaded shafts 22 can penetrate through the support frame through holes 4, the connecting pressing plate 23 can be correspondingly connected to the connecting threaded shaft 22, so that the connecting pressing plate 23 can be tightly pressed on the supporting frame 47, the explosion-proof supporting plate 5 can be correspondingly connected to the rim 2, and the explosion-proof supporting plate 5 can be further conveniently mounted and dismounted.
As shown in fig. 1 and 3, a first sliding hole 8 correspondingly communicated with the first groove 6 is respectively arranged in the explosion-proof supporting plate 5, a second sliding hole 11 correspondingly communicated with the first sliding hole 8 is also respectively arranged in the explosion-proof supporting plate 5, a third sliding hole 12 correspondingly communicated with the second sliding hole 11 is also respectively arranged in the explosion-proof supporting plate 5, the third sliding holes 12 are respectively correspondingly communicated with the second groove 25, the first sliding shafts 13 respectively slide in the first sliding holes 8, a second rotating shaft 19 is also respectively arranged on the first sliding shafts 13, a rotating second sliding shaft 14 is respectively connected on the second rotating shaft 19, the third sliding shaft 15 is correspondingly connected with the second sliding shaft 14 through a third rotating shaft 20, the second sliding shaft 14 slides in the second sliding hole 11, and the third sliding shaft 15 respectively slides in the third sliding hole 12, the first sliding hole 8 and the second sliding hole 11 respectively comprise a first rotating shaft 18 connected to the explosion-proof supporting plate 5, the first sliding shaft 13 and the second sliding shaft 14 are respectively provided with a first sliding chute 16 and a second sliding chute 17, the first sliding shaft 13 and the second sliding shaft 14 respectively slide on the first rotating shaft 18 through the first sliding chute 16 and the second sliding chute 17, the first sliding shaft 13 is respectively connected with a top pressing block 10 sliding in the first sliding hole 8, the first spring 9 elastically presses the top pressing block 10, the explosion-proof supporting plate 5 is respectively provided with a first sliding hole 8 correspondingly communicated with the first groove 6, the explosion-proof supporting plate 5 is also respectively provided with a second sliding hole 11 correspondingly communicated with the first sliding hole 8, the explosion-proof supporting plate 5 is also respectively provided with a third sliding hole 12 correspondingly communicated with the second sliding hole 11, the third sliding holes 12 are respectively communicated with the second grooves 25, the first sliding shafts 13 slide in the first sliding holes 8, the second sliding shafts 14 slide in the second sliding holes 11, the third sliding shafts 15 slide in the third sliding holes 12, the first sliding shafts 13 are respectively connected with a second rotating shaft 19, the second sliding shafts 14 rotate on the second rotating shafts 19, the second sliding shafts 14 and the third sliding shafts 15 are respectively provided with a through hole, a third rotating shaft 20 is arranged in the through holes, so that the second sliding shafts 14 and the third sliding shafts 15 can be rotatably connected by the third rotating shafts 20, the second rotating shafts 19 can be used for further driving the synchronous motion of the second sliding shafts 14 in the sliding process of the first sliding shafts 13, and the third rotating shafts 20 can be used for simultaneously driving the synchronous motion of the third sliding shafts 15, thereby realizing the purpose of pulling the third sliding shaft 15 to slide, a first rotating shaft 18 is respectively arranged in the first sliding hole 8 and the second sliding hole 11, a first sliding chute 16 and a second sliding chute 17 are respectively arranged on the first sliding shaft 13 and the second sliding shaft 14, the first slide shaft 13 and the second slide shaft 14 slide on the first rotating shaft 18 through the first slide groove 16 and the second slide groove 17, so that the first slide shaft 13 and the second slide shaft 14 can be supported by the first rotation shaft 18, thereby ensuring the normal sliding track to the first sliding shaft 13 and the second sliding shaft 14, and further ensuring the normal sliding to the third sliding shaft 15, a top pressing block 10 can be respectively connected on the first sliding shaft 13, the first slide shaft 13 can be further urged after the first springs 9 respectively urge the knock plates 10.
As shown in fig. 1, a third groove 26 correspondingly communicating with the second groove 25 is further disposed in the explosion-proof supporting plate 5, the second spring 32 is disposed in the third groove 26, the second spring 32 is correspondingly connected to the positioning plate 31, a third groove 26 correspondingly communicating with the second groove 25 is disposed in the explosion-proof supporting plate 5, the second spring 32 is disposed in the third groove 26, and the second spring 32 can be correspondingly connected to the positioning plate 31, so as to indirectly pull the sliding rod 30.
As shown in fig. 1, a second fixing groove 28 correspondingly communicating with the first fixing groove 27 is further disposed on the explosion-proof supporting plate 5, the second fixing groove 28 is in a trapezoid shape, the fourth sliding holes 29 are respectively correspondingly communicated with the second fixing groove 28, a pressing groove 35 correspondingly communicating with the fourth sliding holes 29 is further disposed in the explosion-proof supporting plate 5, a pressing plate 37 sliding in the pressing groove 35 is connected to each of the explosion-proof supporting columns 34, a third spring 36 connected to the explosion-proof supporting column 34 is further included in the pressing groove 35, the third spring 36 presses the pressing plate 37, a second groove 28 correspondingly communicating with the first fixing groove 27 is further disposed on the explosion-proof supporting plate 5, the second groove 28 is in a trapezoid shape, so that in the sliding process of the fixing plate 33, can utilize to be trapezoidal second recess 28 that sets up right fixed disk 33 leads to guarantee that fixed disk 33 can be smooth slide in second fixed slot 28 and first fixed slot 27, and fourth slide opening 29 respectively with the corresponding intercommunication of second fixed slot 28 still be equipped with in the explosion-proof supporting disk 5 with the corresponding bullet indent 35 that communicates of fourth slide opening 29 be connected with one respectively on the explosion-proof support column 34 and play clamp plate 37, play clamp plate 37 can slide in the bullet indent 35, can utilize third spring 36 is right it carries out the suppress to play clamp plate 37, thereby can be right explosion-proof support column 34 carries out the suppress to further avoided the arbitrary slippage of explosion-proof support column 34 to go out fourth slide opening 29.
The fourth sliding hole is internally provided with a separation blade connected to the explosion-proof supporting disc respectively, and the separation blade corresponds to the explosion-proof supporting column respectively.
As shown in fig. 1, be equipped with one on the fixed disk 33 and be curved direction cambered surface 38, explosion-proof support column 34 respectively with direction cambered surface 38 is corresponding, can fixed disk 33 slip in-process can make explosion-proof support shaft 34 at first with the corresponding contact of direction cambered surface 38 to it is right to utilize and be curved direction cambered surface 38 explosion-proof support column 34 leads, thereby can guarantee explosion-proof support column 34 slides along being curved direction cambered surface 38, thereby can guarantee explosion-proof support column 34 is in the slip of going up and down in the fourth slide opening 29.
As shown in fig. 1, a circle of connecting threaded holes 21 are formed on the explosion-proof support plate 5, the connecting threaded shafts 22 are respectively and correspondingly connected in the connecting threaded holes 21, the connecting pressing plates 23 are respectively provided with a through hole corresponding to the connecting threaded shaft 22, the connecting threaded shafts 22 are also respectively connected with a fixing nut 24 corresponding to the connecting pressure plate 23, a circle of connecting threaded holes 21 are formed on the explosion-proof support plate 5, so that the connecting threaded shafts 22 can be correspondingly connected in the connecting threaded holes 21 respectively, through holes can be formed on the connecting pressing plate 23 respectively, so that the connection pressing plate 23 can be pressed by the fixing nut 24 after the connection pressing plate 23 is connected to the connection screw shaft 22, therefore, the connecting pressure plate 23 can be connected and pressed on the supporting frame 47, and the purpose of connecting the explosion-proof supporting disc 5 on the rim 2 is achieved.
As shown in fig. 5, a circle of pressing cavities 40 corresponding to the rim fixing grooves 3 are further disposed on the explosion-proof supporting plate 5, a sliding pressing shaft 41 is disposed in each pressing cavity 40, a positioning rod 39 is connected to each sliding pressing shaft 41, a positioning sleeve 43 corresponding to the rim fixing grooves 3 is connected to each positioning rod 39, a fixing groove 44 is disposed on each positioning sleeve 43, a pressing shaft sliding hole 46 is disposed on each sliding pressing shaft 41, a fourth spring 42 is disposed in each pressing shaft sliding hole 46, each fourth spring 42 elastically presses the sliding pressing shaft 41, a circle of pressing cavities 40 corresponding to the rim fixing grooves 3 is disposed in the explosion-proof supporting plate 5, a sliding pressing shaft 41 is disposed in each pressing cavity 40, and a pressing shaft sliding hole 46 is disposed in each sliding pressing shaft 41, the fourth springs 42 are respectively arranged in the pressure shaft sliding holes 46, so that the sliding pressure shafts 41 can be respectively pressed by the fourth springs 42, the sliding pressure shafts 41 are respectively connected with a positioning rod 39, so that the positioning rod 39 can be pressed, the positioning sleeve heads 43 can be further pressed in the rim fixing grooves 3, fixing bolts are arranged in the rim fixing grooves 3, so that the fixing grooves 44 formed in the positioning sleeve heads 43 can be correspondingly connected to the fixing bolts, the positioning sleeve heads 43 can be used for supporting the explosion-proof supporting plate 5, the explosion-proof supporting plate 5 is prevented from being displaced in the installation process, and the explosion-proof supporting plate 5 and the rim 2 can be ensured to coaxially rotate.
As shown in fig. 1, the diameter of the tire 1 is larger than that of the explosion-proof support plate 5, so that the diameter of the tire 1 is larger than that of the explosion-proof support plate 5 during the running of the truck, thereby ensuring that the tire 1 is in contact with the ground and further ensuring that the tire 1 can normally rotate on the ground.
As shown in fig. 1, a concave fixing plate groove 49 is further formed in the fixing plate 33, a handle 50 connected to the fixing plate 33 is included in the fixing plate groove 49, and in the process of installing the explosion-proof supporting plate 5, since the fixing press block 7 is ejected out of the first groove 6 before installation, the third sliding shaft 15 is retracted, and the handle 50 can be pulled by hand, so that the sliding of the sliding rod 30 can be further pulled, the sliding of the positioning plate 31 can be further pulled, and the positioning plate 31 and the third sliding shaft 15 can be normally clamped in the process of fastening the explosion-proof supporting plate 5.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.