A mine single-row pick-up passenger protection device

By installing a reinforced frame and a heightened protective cover on the top of the cab of a single-row mining pickup truck, the problem of insufficient structural strength of traditional cabs has been solved, resulting in reduced costs, increased space, and improved aesthetics, thus meeting the safety requirements for underground transportation in mines.

CN119975567BActive Publication Date: 2025-11-21ZHEJIANG LUJIESHUN COMPARTMENT MFG
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202510348279.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2025-11-21
Estimated Expiration
2045-03-24

AI Technical Summary

Technical Problem

Traditional single-row pickup truck cabs used in mining have insufficient structural strength, high manufacturing costs, narrow interior space, and poor aesthetics, failing to meet the safety requirements for underground transportation.

Method used

An enhanced frame and a raised top shield are installed on the top of the existing single-row pickup truck cab, including side reinforcements, longitudinal reinforcement bars, transverse connecting bars, and a ring-shaped shield. Seamless steel pipes are welded and bolted together to expand the interior space and improve structural strength.

Benefits of technology

It simplifies the cab modification process, reduces R&D costs, expands the interior space, and improves structural strength and aesthetics, while maintaining the operating space and safety inside the cab.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119975567B_ABST
    Figure CN119975567B_ABST
Patent Text Reader

Abstract

The application provides a mine single-row pick-up passenger protection device, and belongs to the technical field of mine vehicles, and comprises a reinforced frame and a top height-increased protective cover. The reinforced frame comprises two side reinforcing members, a rear reinforcing member fixed between rear ends of the two side reinforcing members, a front reinforcing member fixed between front ends of the two side reinforcing members, and a top reinforcing member in an annular structure fixed between upper ends of the two side reinforcing members. The protection device has simple structure and high structural strength, can expand the longitudinal space inside the vehicle cab, and can be used for refitting the existing vehicles.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of mine explosive transport vehicles, and particularly relates to a mine single-row pickup passenger protection device. BACKGROUND

[0002] The transport of explosive goods in mines must use a vehicle with a single-row cab, and due to the harsh environment and high limitations, a single-row pickup is usually selected as the transport carrier. During the driving process of the vehicle in the mine, dangerous conditions such as falling rocks, mine collapse or vehicle rollover may be encountered, and therefore the structural strength of the cab is particularly important to ensure the safety of the driver and passengers. The internal height of the traditional pickup cab cannot meet the safety requirements of the members, and the automobile production enterprises usually design a separate reinforced cab, increase the thickness of the top steel plate, and replace larger stamping equipment to complete the manufacturing. However, due to the small market capacity of mine explosive transport vehicles, the design and manufacturing costs are high. The blindly modified traditional cab may not meet the strength requirements, and the interior is also damaged, which is extremely unsightly.

[0003] Therefore, it is necessary to develop a cab structure reinforcing frame which can enhance the structural strength, reduce the manufacturing cost, and have a spacious and beautiful interior on the basis of the existing cab. SUMMARY

[0004] The present application provides a passenger protection device for modifying the existing single-row pickup, which has a simple structure, high structural strength, can expand the longitudinal space inside the cab, and fully utilizes the original top interior parts, has a generous appearance, and the interior is beautiful.

[0005] The present application provides a passenger protection device for modifying the existing single-row pickup, which has a simple structure, high structural strength, can expand the longitudinal space inside the cab, and fully utilizes the original top interior parts, has a generous appearance, and the interior is beautiful.

[0006] The side reinforcement comprises bottom reinforcing rods distributed towards the front and rear of the cab, the rear end of the bottom reinforcing rods is fixedly connected with rear longitudinal reinforcing rods, the lower end of the rear longitudinal reinforcing rods protrudes downward relative to the bottom reinforcing rods, the front end of the bottom reinforcing rods extends downward and bends, the lower end of the rear longitudinal reinforcing rods and the front end of the bottom reinforcing rods are fixedly connected with mounting seats, the bottom reinforcing rods are fixedly provided with front longitudinal reinforcing rods near the front end, the upper end of the front longitudinal reinforcing rods bends and extends towards the rear longitudinal reinforcing rods, the upper end of the rear longitudinal reinforcing rods bends and extends towards the upper end of the front longitudinal reinforcing rods, the upper end of the front longitudinal reinforcing rods and the upper end of the rear longitudinal reinforcing rods are oppositely arranged and spaced apart, and the front longitudinal reinforcing rods and the rear longitudinal reinforcing rods are fixedly connected with the lower end of the top reinforcement.

[0007] The front reinforcement comprises a transverse connecting rod fixedly connected with the two bottom reinforcing rods at both ends, the middle section of the transverse connecting rod is an arched structure that arches upward and crosses the central control position of the vehicle, the arched structure is fixedly connected with a support middle beam at the middle position of the upper end, and the upper section of the support middle beam is fixedly connected with the top reinforcement; the support middle beam bends from bottom to top towards the rear end of the reinforcing frame; the front longitudinal reinforcing rods and the front reinforcement gradually approach the rear end of the reinforcing frame from bottom to top.

[0008] The rear reinforcement comprises a rear cross beam fixedly connected with the two rear longitudinal reinforcing rods at both ends, and the rear cross beam is fixedly connected with a rear bumper portion in a U-shaped structure, and the upper end of the rear bumper portion is fixedly connected with the top reinforcement.

[0009] A shielding plate in a ring-shaped structure is fixedly arranged on the top reinforcement, a top height protection cover is arranged outside the shielding plate and is fixedly connected with the shielding plate, and the top height protection cover is located at the top of the cab of the mining single-row pickup truck.

[0010] As preferred, the front longitudinal reinforcing rod comprises, from bottom to top, a first vertical section, a first bending section, a second bending section, a second vertical section, a third bending section and a connecting section fixedly connected in sequence, the first bending section bends towards the rear end of the reinforcing frame, the bending direction of the second bending section is opposite to that of the first bending section, the bending central angle of the first bending section and the second bending section is 90°, and the third bending section bends towards the rear end of the reinforcing frame; in the front reinforcement, the transverse connecting rod gradually inclines towards the rear end of the reinforcing frame from bottom to top.

[0011] As preferred, the rear bumper portion is in an inverted U-shaped structure, the lower half section of the rear bumper portion is in a vertical structure, and the upper half section gradually inclines towards the front end of the reinforcing frame; the rear longitudinal reinforcing rod comprises, from bottom to top, a lower section, a middle section, an upper section and a top section in sequence, the lower section is in a vertical structure, the middle section and the upper section gradually incline towards the inner side of the reinforcing frame, and the inclination angle of the upper section is greater than that of the middle section, and the top section bends and extends towards the upper end of the front longitudinal reinforcing rod.

[0012] As preferred, the top section of the rear longitudinal reinforcing rod, the connecting section of the front longitudinal reinforcing rod, the upper end of the support middle beam and the upper end of the rear bumper are fixed with connecting plates, the connecting plates are provided with through holes, and the connecting plates are fixedly connected with the top reinforcing member through bolts penetrating the through holes and being screwed with the top reinforcing member.

[0013] As preferred, the bottom reinforcing rod, the rear longitudinal reinforcing rod, the front longitudinal reinforcing rod, the top reinforcing member, the transverse connecting rod, the support middle beam, the rear cross beam and the rear bumper are all processed from seamless steel pipes.

[0014] As preferred, the lower section of the rear bumper is welded and fixed on the rear cross beam, the lower end of the support middle beam is welded and fixed on the transverse connecting rod, and the bottom reinforcing rod and the transverse connecting rod, the bottom reinforcing rod and the front longitudinal reinforcing rod, the bottom reinforcing rod and the rear longitudinal reinforcing rod, and the rear longitudinal reinforcing rod and the rear cross beam are all detachably fixedly connected.

[0015] As preferred, two mutually perpendicular connecting columns are welded and fixed on the bottom reinforcing rod, and two mutually perpendicular connecting columns are also welded and fixed on the rear longitudinal reinforcing rod, the connecting columns are also made of seamless steel pipes, solid steel blocks are filled and welded in the hollow parts of the rear end of the bottom reinforcing rod, the two ends of the transverse connecting rod, the two ends of the rear cross beam and the connecting columns, the outer ends of the connecting columns are cut to form first connecting blocks, the rear end of the bottom reinforcing rod, the two ends of the transverse connecting rod and the two ends of the rear cross beam are cut to form second connecting blocks, the first connecting blocks and the second connecting blocks are spliced to form a cylindrical structure, the first connecting blocks are provided with screw holes penetrating the first connecting blocks, the second connecting blocks are provided with counterbores penetrating the second connecting blocks and being aligned with the screw holes, the thickness of the second connecting blocks is greater than that of the first connecting blocks, and the depth of the screw holes is equal to that of the lower half of the counterbores, and the first connecting blocks and the corresponding second connecting blocks are fixedly connected through bolts penetrating the counterbores and being screwed with the screw holes.

[0016] As preferred, the shielding plate of the ring-shaped structure is welded and fixed on the inner side of the top reinforcing member, and the top reinforcing cover is fixedly connected with the shielding plate through bolts.

[0017] As preferred, the mounting seat is a flange plate.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] 1. The present application is designed for the existing single-row pickup cab, and only needs to cut the top part of the cab during installation, which is convenient to operate. Through the implementation of the present application, the automobile manufacturer can avoid redesigning and manufacturing a large cab mold, thereby greatly reducing the research and development cost.

[0020] 2、The whole structure is relatively simple, the whole reinforcing frame is made of seamless steel pipes, has high structural strength, and through structural design, the front longitudinal reinforcing rod, the support beam and other structures close to the upper end of the reinforcing frame are in curved arc structures, the reinforcing frame has a stable structure with a small upper end and a large lower end, and the structural strength of the reinforcing frame is further improved;

[0021] 3、The front longitudinal reinforcing rod and the rear longitudinal reinforcing rod are arranged at intervals between the upper ends, the available space height of the mine single-row pickup cab door position is avoided from being reduced, and personnel can get on and off the vehicle from the door position;

[0022] 4、The structural design of the front longitudinal reinforcing rod can reduce the reduction of the leg space in the cab, the structural design of the front reinforcing part does not affect the control of the central control position of the vehicle, meanwhile, the front longitudinal reinforcing rod and the front reinforcing part gradually approach the rear end of the reinforcing frame from bottom to top, the reinforcing frame has a stable structure with a small upper end and a large lower end, and the structural strength of the reinforcing frame is further improved;

[0023] 5、The connection between the seamless pipes of the reinforcing frame adopts the welding, first connecting block and second connecting block through bolt connection mode, the reinforcing frame is divided into multiple detachable parts, the reinforcing frame is fixedly installed on the bottom of the mine single-row pickup cab through the mounting seat, the reinforcing frame can be adapted to the modification of the existing vehicle, and the connection between the parts in the reinforcing frame has high structural strength;

[0024] 6、The setting of the top heightening protective cover can expand the internal longitudinal space of the mine single-row pickup cab;

[0025] 7、The setting of the shielding plate can be used for shielding the gap between the top of the vehicle cab and the top heightening protective cover, improves the overall appearance, and can better fix the top heightening protective cover, without the need of adding additional interior parts, and the cost is reduced. DETAILED DESCRIPTION

[0026] Figure 1 It is a perspective view of the present application;

[0027] Figure 2 It is another angle perspective view of the present application;

[0028] Figure 3 It is a connection structure schematic view between the first connecting block and the second connecting block;

[0029] Marked in the figure: 1, reinforcing frame, 2, top height protection cover, 3, top reinforcing piece, 4, bottom reinforcing rod, 5, rear longitudinal reinforcing rod, 6, mounting seat, 7, front longitudinal reinforcing rod, 8, first vertical section, 9, first curved section, 10, second curved section, 11, second vertical section, 12, third curved section, 13, connecting section, 14, transverse connecting rod, 15, support middle beam, 16, rear cross beam, 17, rear bumper, 18, connecting plate, 19, shielding plate, 20, connecting column, 21, first connecting block, 22, second connecting block, 23, screw hole, 24, counterbore. DETAILED DESCRIPTION

[0030] The application will be further described below in conjunction with the embodiments shown in the drawings:

[0031] Embodiment 1

[0032] As shown in Figure 1 , Figure 2 , a mine single-row pickup passenger protection device, after cutting the roof of the top part of the mine single-row pickup cab, is installed in the mine single-row pickup cab, comprising a reinforcing frame 1 and a top height protection cover 2, the reinforcing frame 1 comprises two side reinforcing pieces, a rear reinforcing piece is fixedly arranged between the rear ends of the two side reinforcing pieces, a front reinforcing piece is fixedly arranged between the front ends of the two side reinforcing pieces, and a top reinforcing piece 3 in a ring structure is fixedly arranged between the upper ends of the two side reinforcing pieces.

[0033] The side reinforcing piece comprises a bottom reinforcing rod 4 distributed towards the front and rear of the cab, a rear longitudinal reinforcing rod 5 is fixedly connected to the rear end of the bottom reinforcing rod 4, the lower end of the rear longitudinal reinforcing rod 5 protrudes downward relative to the bottom reinforcing rod 4, the front end of the bottom reinforcing rod 4 extends downward and bends, the lower end of the rear longitudinal reinforcing rod 5 and the front end of the bottom reinforcing rod 4 are both fixedly connected with a mounting seat 6, and the mounting seat 6 is a flange plate. A front longitudinal reinforcing rod 7 is fixedly arranged at a position close to the front end of the bottom reinforcing rod 4, the upper end of the front longitudinal reinforcing rod 7 extends and bends towards the rear longitudinal reinforcing rod 5, the upper end of the rear longitudinal reinforcing rod 5 extends and bends towards the upper end of the front longitudinal reinforcing rod 7, and the upper end of the front longitudinal reinforcing rod 7 and the upper end of the rear longitudinal reinforcing rod 5 are oppositely arranged with a space therebetween. The space between the upper end of the front longitudinal reinforcing rod 7 and the upper end of the rear longitudinal reinforcing rod 5 avoids the decrease of the available space height at the door position of the mine single-row pickup cab, and facilitates the personnel to get on and off the vehicle from the door position.

[0034] The bottom end of the bottom reinforcing rod 4 is bent downward to extend and fixedly arranged with the mounting seat 6, and the bottom of the front longitudinal reinforcing rod 7 is fixed on the bottom reinforcing rod 4, so that the bottom reinforcing rod 4 can be used to bear the weight and impact force of the front longitudinal reinforcing rod 7, and the structural strength of the structure is more optimal than that of the structure in which the mounting seat 6 is directly arranged at the bottom of the front longitudinal reinforcing rod 7, and the bottom reinforcing rod 4 is only used to connect the front longitudinal reinforcing rod 7 and the rear longitudinal reinforcing rod 5.

[0035] The front longitudinal reinforcing rod 7 comprises, from bottom to top, a first vertical section 8, a first curved section 9, a second curved section 10, a second vertical section 11, a third curved section 12, and a connecting section 13 connected in sequence, the first curved section 9 is curved towards the rear end of the reinforcing frame 1, the second curved section 10 is curved in the opposite direction to the first curved section 9, and the curved central angles of the first curved section 9 and the second curved section 10 are both 90°, and the third curved section 12 is curved towards the rear end of the reinforcing frame 1. The structural design of the front longitudinal reinforcing rod 7 can reduce the reduction degree of the leg space inside the cab, that is, the leg space is expanded when the reinforcing frame 1 is installed in the cab.

[0036] The rear longitudinal reinforcing rod 5 is divided into four sections from bottom to top, namely a lower section, a middle section, an upper section, and a top section, the lower section is a vertical structure, the middle section and the upper section are gradually inclined towards the inner side of the reinforcing frame 1, and the inclination angle of the upper section is greater than that of the middle section, and the top section is curved and extends towards the upper end of the front longitudinal reinforcing rod 7.

[0037] The front reinforcing member comprises a transverse connecting rod 14 fixedly connected with the two bottom reinforcing rods 4 at both ends, the middle section of the transverse connecting rod 14 is an arch-shaped structure that arches upwards and crosses the central control position of the vehicle, so that the control of the central control position of the vehicle is not affected, and the transverse connecting rod 14 is gradually inclined towards the rear end of the reinforcing frame 1 from bottom to top. A support middle beam 15 is fixedly connected to the middle position of the upper end of the arch-shaped structure, the upper section of the support middle beam 15 is fixedly connected with the top reinforcing member 3, and the support middle beam 15 is curved towards the rear end of the reinforcing frame 1 from bottom to top.

[0038] The rear reinforcing member comprises a rear cross beam 16 fixedly connected with the two rear longitudinal reinforcing rods 5 at both ends, the rear cross beam 16 is fixedly connected with a rear bumper portion 17 in an inverted U-shaped structure, the lower half of the rear bumper portion 17 is a vertical structure, the upper half is gradually inclined towards the front end of the reinforcing frame 1, and the upper end of the rear bumper portion 17 is fixedly connected with the top reinforcing member 3.

[0039] Through structural design, the positions of the front longitudinal reinforcing rod 7, the support middle beam 15 and the like close to the upper end of the reinforcing frame 1 are all curved arc structures, which can improve the longitudinal stress performance of the reinforcing frame 1. Meanwhile, the structural features of the rear longitudinal reinforcing rod 5, the front longitudinal reinforcing rod 7, the front reinforcing part and the rear stop part 17 make the reinforcing frame 1 present a stable structure with a small upper end and a large lower end, improve the stability of the reinforcing frame 1, further improve the longitudinal stress performance of the reinforcing frame 1, and equivalently improve the structural strength and safety performance of the present application.

[0040] The top section of the rear longitudinal reinforcing rod 5, the connecting section 13 of the front longitudinal reinforcing rod 7, the upper end of the support middle beam 15 and the upper end of the rear stop part 17 are all fixedly provided with a connecting plate 18, the connecting plate 18 is provided with a through hole, and the connecting plate 18 and the top reinforcing part 3 are fixedly connected through a bolt penetrating through the through hole and being screwed with the top reinforcing part 3.

[0041] The inside of the top reinforcing part 3 is welded and fixedly provided with a ring-shaped shielding plate 19, the top height protection cover 2 is sleeved outside the shielding plate 19 and is fixedly connected with the shielding plate 19 through a bolt, and the top height protection cover 2 is located at the top of the mine single-row pickup truck cab.

[0042] In the actual installation process, a window needs to be cut on the top of the existing mine single-row pickup truck cab for passing through the shielding plate 19, then the top height protection cover 2 is sleeved above the window, and then the shielding plate 19 and the top height protection cover 2 are connected and fixed through a bolt. At this time, the shielding plate 19 can be used to shield the gap between the top of the single-row pickup truck cab and the top height protection cover 2, improve the overall appearance of the cab interior, and the shielding plate 19 can also better fix the top height protection cover 2. In the actual use process, because the window is cut on the top of the cab, and the top reinforcing part 3 and the shielding plate 19 are both ring-shaped structures, the top height protection cover 2 is in communication with the internal space of the single-row pickup truck cab, thereby realizing the function of expanding the longitudinal space of the cab interior.

[0043] The bottom reinforcing rod 4, the rear longitudinal reinforcing rod 5, the front longitudinal reinforcing rod 7, the top reinforcing part 3, the transverse connecting rod 14, the support middle beam 15, the rear cross beam 16 and the rear stop part 17 are all processed from seamless steel pipes. The seamless steel pipe itself has high structural strength, which can improve the structural strength of the present application. Meanwhile, the seamless steel pipe is a hollow structure, and the overall weight is lighter than the solid structure, which is conducive to reducing the weight of the present application.

[0044] The rear section 17 lower section is welded and fixed on the rear cross beam 16, the support beam 15 lower end is welded and fixed on the transverse connecting rod 14, the bottom reinforcing rod 4 and the transverse connecting rod 14, the bottom reinforcing rod 4 and the front longitudinal reinforcing rod 7, the bottom reinforcing rod 4 and the rear longitudinal reinforcing rod 5, and the rear longitudinal reinforcing rod 5 and the rear cross beam 16 are detachably fixed and connected. Two mutually perpendicular connecting columns 20 are welded and fixed on the bottom reinforcing rod 4, and two mutually perpendicular connecting columns 20 are also welded and fixed on the rear longitudinal reinforcing rod 5, the connecting columns 20 are also made of seamless steel pipes, solid steel blocks are filled and welded in the hollow parts of the rear end of the bottom reinforcing rod 4, the two ends of the transverse connecting rod 14, the two ends of the rear cross beam 16 and the connecting columns 20, the outer ends of the connecting columns 20 are cut to form first connecting blocks 21, the rear end of the bottom reinforcing rod 4, the two ends of the transverse connecting rod 14 and the two ends of the rear cross beam 16 are cut to form second connecting blocks 22, the first connecting blocks 21 and the second connecting blocks 22 are spliced to form a cylindrical structure, as shown in Figure 3 The first connecting blocks 21 are provided with screw holes 23 penetrating the first connecting blocks 21, the second connecting blocks 22 are provided with counterbores 24 penetrating the second connecting blocks 22 and alignable with the screw holes 23, the thickness of the second connecting blocks 22 is greater than that of the first connecting blocks 21, and the depth of the screw holes 23 is equal to that of the lower half of the counterbores 24, and the first connecting blocks 21 and the corresponding second connecting blocks 22 are provided with bolts penetrating the counterbores 24 and screwed with the screw holes 23. The above structure makes the thickness of the first connecting blocks 21 and the second connecting blocks 22 actually screwed with the bolts the same, and makes the stress between the first connecting blocks 21 and the second connecting blocks 22 more balanced. The first connecting blocks 21 and the second connecting blocks 22 are solid structures through the solid blocks, which can enhance the structural strength of the positions.

[0045] In the present application, the connections between the seamless pipes of the reinforcing frame 1 are connected in part by welding to form a whole, and in part by the bolt connection mode of the first connecting blocks 21 and the second connecting blocks 22, and the top sections of the rear longitudinal reinforcing rods 5, the connecting sections 13 of the front longitudinal reinforcing rods 7, the upper ends of the support beams 15 and the upper ends of the rear sections 17 are all fixedly provided with connecting plates 18, which are fixedly connected with the top reinforcing members 3 by bolts. The components of the present application are detachably connected, the reinforcing frame 1 is fixedly installed on the bottom of the mine single-row pickup truck cab through the mounting seat 6, so that the present application can be used for the modification of existing vehicles.

[0046] It should be understood that in the claims and specification of the present application, all "comprises" should be understood as open-ended, that is, its meaning is equivalent to "at least contains", and should not be understood as closed, that is, its meaning should not be understood as "only contains".

[0047] The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or changes in addition or substitution to the described specific embodiments can be made by those skilled in the art without departing from the spirit of the application or exceeding the scope of the appended claims.

Claims

1. A occupant protection device for a single-row mining pickup truck, installed in the cab of the single-row mining pickup truck, characterized in that, It includes a reinforcing frame and a top heightening protective cover. The reinforcing frame includes two side reinforcements, a rear reinforcement fixed between the rear ends of the two side reinforcements, a front reinforcement fixed between the front ends of the two side reinforcements, and a top reinforcement with an annular structure fixed between the upper ends of the two side reinforcements. The side reinforcement includes bottom reinforcement bars distributed in the front-rear direction toward the cab. A rear longitudinal reinforcement bar is fixedly connected to the rear end of the bottom reinforcement bar. The lower end of the rear longitudinal reinforcement bar protrudes downward relative to the bottom reinforcement bar. The front end of the bottom reinforcement bar bends downward and extends. Mounting seats are fixedly connected to the lower end of the rear longitudinal reinforcement bar and the front end of the bottom reinforcement bar. A front longitudinal reinforcement bar is fixedly provided near the front end of the bottom reinforcement bar. The upper end of the front longitudinal reinforcement bar bends and extends toward the rear longitudinal reinforcement bar. The upper ends of the front longitudinal reinforcement bar and the upper ends of the rear longitudinal reinforcement bar are arranged facing each other with a gap. The front longitudinal reinforcement bar and the rear longitudinal reinforcement bar are respectively fixedly connected to the lower end of the top reinforcement. The front reinforcement includes a transverse connecting rod that is fixedly connected to two bottom reinforcement rods at both ends. The middle section of the transverse connecting rod is an arched structure that arches upward and crosses the center console of the vehicle. A supporting beam is fixedly connected to the middle of the upper end of the arched structure. The upper section of the supporting beam is fixedly connected to the top reinforcement. The supporting beam bends from bottom to top toward the rear end of the reinforcement frame. The front longitudinal reinforcement rod and the front reinforcement gradually approach the rear end of the reinforcement frame from bottom to top. The rear reinforcement includes a rear crossbeam whose two ends are fixedly connected to two rear longitudinal reinforcing rods respectively. A U-shaped rear baffle is fixedly connected to the rear crossbeam, and the upper end of the rear baffle is fixedly connected to the top reinforcement. A ring-shaped shield is fixedly installed on the top reinforcement. The top heightening protective cover is fitted over the shield and fixedly connected to it. The top heightening protective cover is located on the top of the cab of the mining single-row pickup truck.

2. The occupant protection device for a single-row pickup truck in a mine according to claim 1, characterized in that... The front longitudinal reinforcing rod comprises, from bottom to top, a first vertical section, a first curved section, a second curved section, a second vertical section, a third curved section, and a connecting section, which are fixedly connected in sequence. The first curved section bends toward the rear end of the reinforcing frame, the second curved section bends in the opposite direction to the first curved section, and the bending center angles of the first and second curved sections are both 90°. The third curved section bends toward the rear end of the reinforcing frame. In the front reinforcing member, the transverse connecting rod gradually tilts toward the rear end of the reinforcing frame from bottom to top.

3. The occupant protection device for a single-row pickup truck in a mine according to claim 2, characterized in that... The rear section is an inverted U-shaped structure, with the lower half of the rear section being a vertical structure and the upper half gradually tilting towards the front end of the reinforcing frame. The rear longitudinal reinforcing rod is divided into four sections from bottom to top: lower, middle, upper, and top. The lower section is a vertical structure, the middle and upper sections gradually tilt towards the inside of the reinforcing frame, and the tilt angle of the upper section is greater than that of the middle section. The top section bends and extends towards the upper end of the front longitudinal reinforcing rod.

4. The occupant protection device for a single-row pickup truck in a mine according to claim 3, characterized in that... The top section of the rear longitudinal reinforcing rod, the connecting section of the front longitudinal reinforcing rod, the upper end of the supporting beam, and the upper end of the rear section are all fixedly provided with connecting plates. The connecting plates are provided with through holes, and the connecting plates and the top reinforcing member are fixedly connected by bolts that are provided with through holes and screwed to the top reinforcing member.

5. A occupant protection device for a single-row pickup truck used in mining, as described in claim 4, is characterized in that... The bottom reinforcing rod, rear longitudinal reinforcing rod, front longitudinal reinforcing rod, top reinforcing member, transverse connecting rod, support beam, rear crossbeam, and rear section are all made of seamless steel pipe.

6. A occupant protection device for a single-row pickup truck in mining, as described in claim 5, is characterized in that... The lower section of the rear section is welded and fixed to the rear crossbeam, and the lower end of the supporting middle beam is welded and fixed to the transverse connecting rod. The bottom reinforcing rod and the transverse connecting rod, the bottom reinforcing rod and the front longitudinal reinforcing rod, the bottom reinforcing rod and the rear longitudinal reinforcing rod, and the rear longitudinal reinforcing rod and the rear crossbeam are all detachably fixed connections.

7. A occupant protection device for a single-row pickup truck in mining according to claim 6, characterized in that... Two mutually perpendicular connecting columns are welded and fixed to the bottom reinforcing rod, and two mutually perpendicular connecting columns are also welded and fixed to the rear longitudinal reinforcing rod. The connecting columns are also made of seamless steel pipes. Solid steel blocks are filled and welded to the rear end of the bottom reinforcing rod, both ends of the transverse connecting rod, both ends of the rear crossbeam, and the hollow part of the connecting column. The outer end of the connecting column is cut with a notch to form a first connecting block. The rear end of the bottom reinforcing rod, both ends of the transverse connecting rod, and both ends of the rear crossbeam are cut with notches to form a second connecting block. The first connecting block and the second connecting block are assembled to form a cylindrical structure. The first connecting block has a screw hole that passes through the first connecting block. The second connecting block has a countersunk hole that passes through the second connecting block and can be aligned with the screw hole. The thickness of the second connecting block is greater than the thickness of the first connecting block, and the depth of the screw hole is equal to the depth of the lower half of the countersunk hole. A bolt that passes through the countersunk hole and is screwed to the screw hole is provided between the first connecting block and the corresponding second connecting block.

8. The occupant protection device for a single-row pickup truck in a mine according to claim 1, characterized in that... The ring-shaped shield is welded and fixed to the inside of the top reinforcement, and the top heightened protective cover and the shield are fixedly connected by bolts.

9. A occupant protection device for a single-row pickup truck used in mining, as described in claim 1, is characterized in that... The mounting base is a flange.

Citation Information

Patent Citations

  • High top cover structure of commercial vehicle cab

    CN115384635A

  • Articulated formula mining dump truck driver's cabin

    CN206049824U