51 results about "Rear impact" patented technology

The invention relates to the technical field of impact crushers, and provides a machine-made sand preparation impact crusher with a dust removal function, the machine-made sand preparation impact crusher comprises a rack, a feed port, a discharge port, a front impact frame, a rear impact frame, a crushing mechanism and a dust removal mechanism, the rack is internally provided with a crushing cavity, and the top end and the bottom end of the rack are provided with the feed port and the discharge port respectively; a front impact frame and a rear impact frame are installed on the inner side wall of the crushing cavity, the crushing mechanism is arranged in the crushing cavity and used for impacting and crushing stone, and the dust removal mechanism is arranged on one side of the rack and comprises a box body, a dust collection box, an air partition plate, a negative pressure collection assembly, a filtering assembly and a dust removal assembly. And the dust removal device is used for filtering and cleaning dust generated during stone crushing and regularly carrying out dust removal treatment on the filtering assembly. By means of the technical scheme, the problem that in the prior art, when an impact crusher crushes stone, dust drifts out of equipment and pollutes the environment is solved.

A rear impact guard includes at least one vertical member, and a horizontal member connected to a distal end of the at least one vertical member, the horizontal member having a plurality of through passages allowing for air flow through the horizontal member.

A restraining assembly for a vehicle restraint for restraining a rear impact guard (RIG) bar of a vehicle or trailer at a dock may include a hook. The hook may further include a locking arm at a first end thereof, a catch portion at a second end thereof, an axial orifice about which the hook rotates responsive to movement of the RIG bar in contact with the catch portion or the locking arm, and a cam surface disposed between the locking arm and the axial orifice. The hook may be rotatably mounted to a vertical slide assembly of the vehicle restraint that slidably engages the RIG bar to adjust to a height of the RIG bar against a bias applied to the vertical slide assembly. The restraining assembly may be rotated only responsive to movement of the RIG bar to transition between a receiving position for receiving or releasing the RIG bar and a locking position for retaining the RIG bar.

The present disclosure relates to a safety system (100) for a child seat (102) in a vehicle (200). The system (100) includes a rotation mechanism (104) configured with one or more child seats (102) of the vehicle to rotate the corresponding child seat (102), and a controller in communication with the rotation mechanism (104).The controller is configured to detect an impending frontal / rear impact event on the vehicle (200) and, upon detecting the impending frontal / rear impact event, actuate the rotation mechanism (104) to rotate the one or more child seats (102) by predefined angles such that the one or more child seats (102) rotate to a position in which the child seat (102) faces in a direction perpendicular to a direction extending from a rear side to a front side of the vehicle and opposite a side door adjacent to the corresponding child seat (102).

A vehicle restraint for restraining a vehicle or trailer at a dock includes a ramp assembly disposed to slidably engage a rear impact guard (RIG) bar of the vehicle or trailer, a vertical slide frame operably coupled to the ramp assembly to lower the vertical slide frame from a resting height to a height of the RIG bar against a bias toward the resting height responsive to the RIG bar slidably engaging the ramp assembly during motion of the RIG bar toward the dock in a first direction, and a hook barrier operably coupled to the vertical slide frame to receive the RIG bar and rotate to retain the RIG bar responsive to the motion of the RIG bar in the first direction. The ramp assembly includes a top plate defining a top surface that faces the RIG bar and is disposed at an angle relative to the first direction. The ramp assembly includes one or more instances of a contact strip disposed at a portion of the top plate extending away from the top surface to prevent contact between the RIG bar and the top surface.

A restraining assembly for a vehicle restraint for restraining a rear impact guard (RIG) bar of a vehicle or trailer at a dock may include a hook. The hook may further include a locking arm at a first end thereof, a catch portion at a second end thereof, an axial orifice about which the hook rotates in response to movement of the RIG bar in contact with the catch portion or the locking arm, and a cam surface disposed between the locking arm and the axial orifice. The hook is rotatably mounted to a vertical slide assembly of the vehicle restraint, which may slidably engage the RIG bar and adjust the height of the RIG bar against a bias applied to the vertical slide assembly. The restraining assembly may be rotated to transition between a receiving position for receiving or releasing the RIG bar and a locked position for retaining the RIG bar in response to movement of the RIG bar alone.

The present invention discloses a railway track construction and maintenance device, which belongs to the technical field of railway construction and maintenance, and includes traction power vehicles at both ends, an equipment vehicle group maintenance control car and a maintenance connecting car located between the traction power vehicles, and a storage device and a pumping system are provided on the maintenance connecting car. The pumping system is connected to the storage device, and the storage device can slide relative to the maintenance connecting car due to inertia. A sway suppression component is provided in the storage device, and the sway suppression component can rotate relative to the storage device; the sway suppression component has a first state and a second state. The present invention determines the state of the sway suppression component according to the driving state of the construction and maintenance device. When the construction and maintenance device is driving at a constant speed, the sway suppression component is in the first state, and the sway suppression component guides the concrete to flow in layers along the driving direction. When the construction and maintenance device is accelerating or decelerating, the sway suppression component is in the second state, and the sway suppression component directly blocks the front and rear impact of the concrete.

The utility model discloses an automobile tail skirt inner plate assembly, which relates to the technical field of automobile manufacturing and comprises an automobile tail skirt outer shell, an automobile tail skirt inner plate is fixedly mounted on the front side of the automobile tail skirt outer shell, and reinforcing mechanisms are arranged on the left side and the right side of the front end of the automobile tail skirt inner plate. An inner plate mounting mechanism is arranged at the center of the front end of the vehicle tail skirt part inner plate, each reinforcing mechanism comprises two mounting plates, L-shaped I-shaped steel is fixedly mounted between the sides, close to each other, of the two mounting plates, and a reinforcing column is arranged in the middle of the L-shaped I-shaped steel in a penetrating mode. According to the automobile tail skirt inner plate assembly, the automobile tail skirt outer shell, the automobile tail skirt inner plate and the reinforcing mechanism are matched with one another, so that the automobile tail skirt inner plate assembly composed of the automobile tail skirt outer shell and the automobile tail skirt inner plate can not only effectively support rear impact, but also support impact on the two sides in the horizontal direction; and the supporting strength of the whole vehicle tail skirt inner plate assembly is effectively improved.

The invention provides a vehicle body rear collision protection structure and a vehicle. The vehicle body rear collision protection structure comprises a rear floor assembly, an electric appliance module, a mounting bracket, a rear enclosing plate, a rear anti-collision beam and a collision block, wherein the rear floor assembly and the rear anti-collision beam are arranged on the front side and the rear side of the rear enclosing plate; the electric appliance module is fixed below the rear floor assembly through the mounting bracket; the front portion of the installation support and the front portion of the electric appliance module incline downwards, and the collision block is located behind the electric appliance module. According to the vehicle body rear collision protection structure and the vehicle, the safety performance during high-speed rear-end collision can be improved.

The present disclosure is directed to a rear impact absorption assembly (200) for a vehicle, the assembly (200) comprising: a connecting member (206) configured to connect a rear end of a pair of side members (202) to a front end of a rear impact beam (204) connected to the vehicle, the pair of side members (202) being offset from the rear impact beam (204); the connecting member (206) having a height greater than a height of the rear end of the side members (202), the connecting member (206) being configured to compensate for the offset between the side members (202) and the rear impact beam (204), facilitating the transfer of energy of a rear impact on the vehicle from the rear impact beam (204) to the side members (202) in a substantially linear direction.

A vehicle side structure including a rear impact beam mounted in a rear side door, a rear quarter section having a flange overlapping a rear portion of the rear impact beam, and a gusset aligned with the rear portion of the rear impact beam in an overlap area between the rear portion of the rear impact beam and the flange of the rear quarter section.

The invention relates to a rear axle protection device (1) designed to be fitted to the body (2) of a motor vehicle, the device (1) having a main part (3) forming a fairing plate (4) designed to be fixed to the body (2) and to cover at least part of the rear axle (5), the plate (4) extending between an axle crossmember (6a) and a mounting crossmember (7) designed to allow the attachment of a battery, the device (1) comprising a reinforcing part (11) designed to form a spacer between the rear axle crossmember (6a) and the mounting crossmember (7) in order to maintain a minimum distance (M) between the axle crossmembers (6a) and (7) in the event of a rear impact suffered by the vehicle equipped with the device (1) which could cause the axle crossmember (6a) and the mounting crossmember (7) to come closer together. (Figure 3)

The utility model provides an anti-collision structure of a van vehicle, which comprises an anti-collision buffer part connected with a main beam of a vehicle body through an arresting part. When a vehicle encounters rear collision, the anti-collision buffering piece plays a role in buffering and energy releasing, casualties and property losses of the rear vehicle are reduced, and the blocking piece can block cars and other vehicles with low chassis from continuing to move forwards and prevent the vehicles from entering the bottom of a compartment after collision; in addition, a carriage extension part is arranged above the anti-collision buffer piece, and about 20% of storage space can be increased on the original basis.

The utility model provides a motor home chassis anti-collision device which comprises a fixing seat, a fixing plate is welded to the side of the fixing seat, a fixing hole is formed in the fixing plate, a buffering seat is movably installed at one end of the fixing seat, a supporting seat is movably installed at one end of the buffering seat, a ring seat is welded to one end of the buffering seat, and a fixing hole is formed in the ring seat. A rotating pipe is rotatably mounted between the ring seats, a fixed shaft is fixedly mounted between the rotating pipe and the ring seats, fixed hanging lugs are welded to the supporting seat, and a movable rod is rotatably mounted between the fixed hanging lugs. When the motor home chassis anti-collision device is used, the fixing bases are installed at the front end and the rear end of the chassis respectively, buffering and collision prevention in the front-back direction are achieved through the buffering bases, and therefore the situation that the chassis is damaged due to front-back impact force is effectively avoided.

The invention discloses a plate hammer for an impact crusher and the impact crusher. The longitudinal axis extends in the z direction and is parallel to the extending direction of the positioning groove in the installation position, the vertical axis extends in the y direction and points to the radial top face of the plate hammer in the installation position, and the transverse axis extends in the x direction and points to the impact side face of the plate hammer. At least one end, along the vertical axis, of the plate hammer is a working head, and in the extending direction of the transverse axis, the rear impact side face and the front impact side face are sequentially arranged at intervals and are arranged on the two sides of the working head respectively. Wherein the front impact side surface is provided with a convex part at a position close to the radial top surface, and the surface of the convex part protrudes out of the front impact side surface.

This invention relates to the field of unmanned aerial vehicle (UAV) technology, specifically disclosing a UAV with a wing protection structure and its protection method. The UAV includes a UAV body, a first protection structure, a buffer structure, a second protection structure, and a linkage structure. The UAV body includes a fuselage and arms. The arms consist of a first arm, a second arm, and a wing assembly. The first arm is fixed to the side wall of the fuselage, and the second arm is connected to the first arm via a hinge axis and can swing horizontally. The wing assembly is located at the end of the second arm. The first protection structure is located around the wing assembly and detachably connected to the second arm. The buffer structure is located at the hinge point of the two arms. The second protection structure is located at both ends of the fuselage. The linkage structure connects the first and second protection structures. The protection method includes lateral impact protection steps and front-to-rear impact protection steps. This invention achieves the transmission and conversion of impact force through the linkage structure, enabling the buffer structure to effectively buffer impacts from multiple directions.

The utility model discloses a plate hammer for an impact crusher and the impact crusher. The longitudinal axis extends in the z direction and is parallel to the extending direction of the positioning groove in the installation position, the vertical axis extends in the y direction and points to the radial top face of the plate hammer in the installation position, and the transverse axis extends in the x direction and points to the impact side face of the plate hammer. At least one end, along the vertical axis, of the plate hammer is a working head, and in the extending direction of the transverse axis, the rear impact side face and the front impact side face are sequentially arranged at intervals and are arranged on the two sides of the working head respectively. Wherein the front impact side surface is provided with a convex part at a position close to the radial top surface, and the surface of the convex part protrudes out of the front impact side surface.

Bumpers for loading docks are disclosed. An example rear impact guard (RIG) bumper includes a casing, a compressible body in the casing, a rod through the casing, and a lip-supporting plate associated with the casing and positioned above the compressible body, where the lip-supporting plate is to move with the casing in reaction to an impact from a vehicle.

A suspension system for a vehicle includes a rear suspension arm and a shock absorber that is linked to the rear suspension arm by a rear articulation in such a manner that the shock absorber can pivot around an articulation axis according to a determined angular travel between two extreme angular positions, the rear articulation including a fixing rod on which the shock absorber is mounted, characterized in that it includes a protective cover that is attached to the fixing rod to protect the rear articulation in case of a rear impact.

An arrangement (1) for the rear impact cooling of an impact plate (2) thermally stressed on its front side (3) by a hot medium (4) comprises the impact plate (2), a perforated plate (6) arranged at a distance from the rear side (5) of the impact plate (2), cooling fluid passage holes in the perforated plate (6) directed towards the rear side (5) of the impact plate (2), a cooling fluid outflow channel (9) formed between the rear side (5) of the impact plate (2) and the perforated plate (6), open in a transverse flow direction (10) at a cooling fluid outlet opening, and a cooling fluid supply channel (13) to which the cooling fluid passage holes are fluidically connected. The cooling fluid supply channel (13), the cooling fluid passage holes, and the cooling fluid outflow channel (9) form a cooling fluid passage through the arrangement (1) that is closed up to the cooling fluid outlet opening.To increase heat transfer from the baffle plate (2) to a cooling fluid (15) flowing through the cooling fluid passage, fluidic oscillators (19) are arranged in the cooling fluid passage.

The present invention relates to a device for protecting the fuel tank (R) of a motor vehicle against rear impacts, said tank being mounted between two side members (L) extending under the body (C) of the vehicle, characterized in that it comprises a rigid frame (1) surrounding the tank (R) and being, on the one hand, connected at its front part to said side members and carrying, on the other hand, in its rear part, an anti-intrusion reinforcing element (2). Abstract figure: Fig. 1B

The high-performance impact platform provided by this invention includes a base with front and rear slide rails on its upper surface, a fixed seat extending in front of the slide rails, an impact platform slidably mounted on the slide rails, an impact cylinder and a return cylinder located behind the impact platform, and a secondary accelerator. A waveform generating pad is provided at the front end of the fixed seat. By making the secondary accelerator include front and rear baffles spaced apart on the impact platform, a slide rod mounted between the front and rear baffles, and an impact plate slidably sleeved on the slide rod, a gap is created between the lower surface of the impact plate and the impact platform. The length of the impact plate in the front-rear direction is 70% to 90% of the distance between the front and rear baffles in the front-rear direction. In the very short time that the impact platform impacts the waveform generating pad, the impact plate can use its inertia to impact the front baffle to perform secondary acceleration on the impact platform, increasing the force of the impact platform impacting the waveform generating pad. This significantly improves the impact performance without increasing the size of the impact cylinder.

The invention relates to the technical field of vehicle door structures, in particular to an integrated thermal forming double-door-ring structure for improving rear collision performance of a vehicle body, which comprises a column A, a column B arranged on one side of the column A, a column C arranged on one side of the column B, an integrated double-door-ring reinforcing plate arranged on one side of the column A, and an integrated double-door-ring inner plate arranged on one side of the integrated double-door-ring reinforcing plate. The integrated double-door-ring reinforcing plate and the integrated double-door-ring inner plate are achieved through the integrated tailor-welding thermal forming technology, and the integrated double-door-ring reinforcing plate and the integrated double-door-ring inner plate are connected through the spot welding connecting technology to form a thermal forming double-door-ring structure. The integrated double-door-ring reinforcing plate and the integrated double-door-ring inner plate are welded and connected in a spot welding mode to jointly form the integrated double-door-ring structure with the closed-section cavity, and the closed-section cavity structure can effectively improve the overall rigidity, strength and collision resistance of a door ring area; therefore, the safety and the stability of the vehicle body under the working conditions of side collision and the like are enhanced.

A vehicle 100 has first and second rear longitudinal members 102, 104 extending rearwards on respective first and second sides of the vehicle and a laterally-extending rear crossmember 118 connected to, and extending between, rear longitudinal members 102, 104. At least one axial crush member 134 is connected to rear crossmember 118, and extends longitudinally and rearwards between rear longitudinal members 102, 104. During a rear impact of sufficiently high energy, crush member 134 crushes in the longitudinal direction while transferring load to crossmember 118. Preferably, crush member 134 is within a central 50% of the vehicle body width, and may extend along a midline of the vehicle. Longitudinal formations such as flanges, folds, undulations, corrugations or ribs may be provided in crush member 134. Crush member 134 may be connected to the underside of a vehicle floor panel 110. Vehicle 100 may be a battery electric vehicle with a traction battery.

The present invention discloses a rear impact test device for a plastic fuel tank and a test method thereof, which relates to the field of plastic fuel tank testing, and includes a test track and a monitor fixedly connected to one side of its top, wherein one side of the test track is fixedly connected to a rotating shaft, the inner side of the rotating shaft is rotatably connected to a slope, one side of the slope is installed with a control mechanism, the bottom of the control mechanism is installed with a lifting mechanism, the bottom of the lifting mechanism is installed with a moving mechanism, and the control mechanism is used to position the impact object. The present invention, when conducting multiple groups of tests, adopts a control variable method to adjust the amount of fuel inside the fuel tank, which can not only accurately calculate the force borne by the fuel tank shell based on the kinetic energy and fuel amount at the time of impact, but also effectively evaluate the fuel leakage caused by the plastic fuel tank being broken after the impact, and in addition, fuel tanks of different sizes are taken into account to ensure the wide applicability and accuracy of the test results.

This invention relates to the field of vehicle technology and discloses a rear bumper beam assembly, a vehicle, and a vehicle control method. The vehicle includes a controller and a rear bumper beam assembly. The rear bumper beam assembly includes a beam body and a tow hook and a drive component connected to the beam body. The drive component is tractively connected to the tow hook and is used to drive the tow hook to move along the length of the vehicle between a first position and a second position. The first position is closer to the beam body than the second position. The drive component is electrically connected to the controller, which is configured to: acquire the actual distance between the vehicle and an obstacle when the vehicle is reversing; if the actual distance is less than a safe distance, control the drive component to drive the tow hook to move from the first position to the second position. Applying the technical solution of this invention can solve the technical problem of how to reduce vehicle damage during a collision.

The utility model discloses a rear anti-collision beam and a vehicle, and the rear anti-collision beam comprises two first anti-collision beams, a second anti-collision beam, a third anti-collision beam and a fourth anti-collision beam, the second anti-collision beam is clamped between the two first anti-collision beams, the porosity of the first anti-collision beams is different from that of the second anti-collision beam, second clamping parts are arranged at the two ends of the second anti-collision beam, and when the first anti-collision beams and the second anti-collision beam are clamped and matched through the first clamping parts and the second clamping parts, the porosity of the first anti-collision beams is different from that of the second anti-collision beams. The first clamping part and the second clamping part are matched in a bonding mode, and the first clamping part and the second clamping part are further fixed through a fastener. When the first anti-collision beam and the second anti-collision beam are clamped and matched through the first clamping part and the second clamping part, the first clamping part and the second clamping part are bonded and matched, and the first clamping part and the second clamping part are fixed through the fastener, so that reliable connection of the first anti-collision beam and the second anti-collision beam is guaranteed, and the anti-collision effect is improved. The abnormal sound problem of the contact surface is avoided.

The utility model discloses a stunt special impact vehicle, which comprises a cab, a front impact assembly and a rear impact assembly, the front impact assembly and the rear impact assembly are respectively arranged on the front side and the rear side of the cab, and each of the front impact assembly and the rear impact assembly comprises an upper adjusting plate bracket, a lower adjusting plate bracket, a rotating shaft and an adjusting plate, the upper adjusting plate support is rotationally connected with the lower adjusting plate support through a rotating shaft, the lower adjusting plate support is placed on the ground or rotates to the upper portion of the upper adjusting plate support, and detachable adjusting plates are arranged on the upper adjusting plate support and the lower adjusting plate support. The collision vehicle can accurately collide with a collided vehicle, the speed is high, safety is high, various collision effects of special-effect shooting can be achieved through various collision structures, and leap, turnover and other effects generated after collision of the collided vehicle are more real and shocking.

The invention belongs to the technical field of engine accessories, and discloses an engine front end cover damping connecting assembly and a damping method thereof.The engine front end cover damping connecting assembly comprises a locking seat, a rubber damping pad is installed on the inner side face of an inner cavity of the locking seat, and transverse buffering assemblies are symmetrically installed at the positions, close to the four corners, of the bottom end of the locking seat; longitudinal buffering assemblies are arranged at the positions, close to the four corners, of the bottom end of the locking base, transverse buffering assemblies are installed at the top ends of the longitudinal buffering assemblies, and a supporting shaft is movably arranged between the upper transverse buffering assembly and the lower transverse buffering assembly in a rod mode. Through the matching effect between the supporting shaft and the longitudinal buffering assembly, the device can fully buffer front and back impact and meanwhile can fully buffer up and down impact, impact at two different positions can be buffered at the same time and does not interfere with each other, the suspension state of the locking seat can be effectively kept, it is ensured that the locking seat tends to be stable, and the safety of the locking seat is improved. And a good damping effect is achieved.