CN211543456U - Anti-collision mechanism of platform truck and platform truck - Google Patents
Anti-collision mechanism of platform truck and platform truck Download PDFInfo
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- CN211543456U CN211543456U CN202020037907.6U CN202020037907U CN211543456U CN 211543456 U CN211543456 U CN 211543456U CN 202020037907 U CN202020037907 U CN 202020037907U CN 211543456 U CN211543456 U CN 211543456U
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Abstract
The utility model relates to an anticollision institution, in particular to anticollision institution and platform truck of platform truck, this anticollision institution includes: the distance detection module and the anti-collision rod are arranged on one side of the advancing direction of the vehicle body; further comprising: the pressure detection module, the base and the firing pin are arranged in the vehicle body; the anti-collision rod is arranged opposite to the pressure detection module and can move towards the direction of the pressure detection module; one end of the firing pin opposite to the anti-collision rod is abutted against the anti-collision rod. The striker is used for striking and triggering the pressure detection module when sliding to a preset position towards the pressure detection module. The main control module is used for turning on the brake device when the distance between one side of the advancing direction of the vehicle body detected by the distance detection module and the obstacle is equal to or smaller than a preset distance. The main control module is also used for controlling the power-off of a driving device for driving the vehicle body to run when the pressure detection module is triggered. Thereby make the platform truck have multiple anticollision mechanism, improve the protection to the pedestrian, avoid the emergence of potential safety hazard.
Description
Technical Field
The utility model discloses an embodiment relates to an anticollision institution, in particular to anticollision institution and platform truck of platform truck.
Background
As battery technology evolves and yields increase, and batteries become cheaper and cheaper, many streamer railcars are being modified to electric vehicles, which allow for the transportation of batteries anywhere over short distances. However, the probability of collision is greatly increased during transportation to any place, so that the collision protection of the vehicle becomes particularly important, and the current practice is to arrange a corresponding collision-prevention mechanism on the vehicle. However, the conventional anti-collision mechanism can only protect a single factor, for example, a corresponding sensor is arranged on one side of the advancing direction of the vehicle to detect the distance between the vehicle and the obstacle, and the vehicle detects the distance between the vehicle and the obstacle through the sensor to realize a braking function, so that the anti-collision purpose is achieved. However, if the sensor fails once or the sensor fails to detect the obstacle in time due to an emergency, the anti-collision function cannot be achieved, and potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses embodiment's aim at designs anticollision institution and platform truck of platform truck, has multiple anticollision mechanism, but the almost various proruption situation of prevention improves the emergence of avoiding the potential safety hazard to pedestrian's protection.
In order to solve the above technical problem, an embodiment of the utility model provides an anticollision institution of platform truck, include:
the distance detection module is arranged on one side of the advancing direction of the vehicle body of the platform vehicle and used for detecting the distance between one side of the advancing direction of the vehicle body and the obstacle;
the pressure detection module is arranged in the vehicle body;
the base is arranged in the vehicle body;
the anti-collision rod is arranged on one side of the advancing direction of the vehicle body and is opposite to the pressure detection module; the anti-collision rod can move towards the direction of the pressure detection module;
a striker disposed on the base; the striker is slidable along the direction opposite to the pressure detection module and the anti-collision rod and is elastically connected with the base, one end of the striker opposite to the anti-collision rod is abutted against the anti-collision rod, the opposite end of the striker is separated from the pressure detection module, and one end of the striker opposite to the pressure detection module is used for impacting and triggering the pressure detection module when the striker slides to a preset position along the direction of the pressure detection module;
the distance detection module, the pressure detection module, the brake device of the platform truck and the driving device for driving the truck body of the platform truck to run are electrically connected with the main control module of the platform truck;
the main control module is used for turning on the brake device when the distance between one side of the vehicle body, which is detected by the distance detection module and the obstacle is equal to or smaller than a preset distance; the main control module is also used for controlling the driving device to be powered off when the pressure detection module is triggered.
Additionally, the utility model discloses an embodiment still provides a platform truck, including automobile body, host system, at least one as above anticollision institution.
The utility model discloses an embodiment is for prior art, because one side at the direction of advance of automobile body is equipped with the crash bar, pressure detection module and distance detection module, still be equipped with the base simultaneously in the automobile body, the firing pin that sets up on the base slidable, the one end and the crash bar of this firing pin offset, the other end is relative and separate with pressure detection module, the firing pin still with base elastic connection simultaneously, whole firing pin is used for when the crash bar receives the effort towards the direction slip of pressure detection module, with striking and trigger pressure detection module. In addition, the distance detection module can also be used for detecting the distance between one side of the advancing direction of the vehicle body and the obstacle in the running process of the vehicle body. And the main control module is used for turning on the brake device when the distance between one side of the advancing direction of the vehicle body detected by the distance detection module and the barrier is equal to or less than a preset distance, and in addition, the main control module is also used for controlling the power-off of the driving device when the pressure detection module is triggered. Therefore, the platform car has multiple anti-collision mechanisms, almost various emergency situations can be prevented, the protection of pedestrians is improved, and the potential safety hazard is avoided.
Furthermore, the number of the anti-collision mechanisms is two, the anti-collision rod of one of the anti-collision mechanisms and the distance detection module are arranged on the front side of the vehicle body, and the anti-collision rod of the other anti-collision mechanism and the distance detection module are arranged on the rear side of the vehicle body.
Further, a sliding groove is formed in the base, and the striker includes: the first abutting part abuts against the anti-collision rod, the second abutting part opposite to the first abutting part, and the sliding part connecting the first abutting part and the second abutting part, wherein part of the sliding part is embedded into the sliding groove; the anticollision institution still includes: the rebound component is arranged in the sliding groove, one end of the rebound component is abutted against the sliding part, and the other end of the rebound component is abutted against the groove wall of the sliding groove.
Further, the base includes: the base plate, the supporting part and the seat body are provided with the sliding grooves; the base plate and the seat body are oppositely arranged along a sliding direction perpendicular to the striker, and the supporting part is arranged between the base plate and the seat body and is used for connecting the base plate and the seat body;
the seat body and the substrate are separated by the supporting part to form a first slot and a second slot respectively, and the first slot and the second slot are positioned on two sides of the supporting part along the sliding direction of the striker;
the anticollision institution includes:
the supporting seat sets firmly in the automobile body, and includes: the first supporting plate and the second supporting plate are oppositely arranged along the sliding direction of the firing pin, the first supporting plate is at least partially inserted into the first slot, and the second supporting plate is at least partially inserted into the second slot; the base is used for sliding relative to the supporting seat along the sliding direction of the firing pin, and the base is also used for being fixed relative to the supporting seat when sliding relative to the supporting seat to a preset position.
Further, the seat body includes:
a substrate, comprising: the vertical section is arranged at one end of the horizontal section; the horizontal section is separated from the substrate, and the first slot and the second slot are formed between the horizontal section and the substrate respectively;
the adjusting rear cover is arranged at the other end of the horizontal section along the sliding direction of the firing pin; the adjusting rear cover and the vertical section are mutually separated to form the sliding groove; the adjusting rear cover is used for being fixed at any position of the second supporting plate.
Furthermore, one side of the adjusting rear cover, which is far away from the second supporting plate, is bent and extended towards the direction of the vertical section to form a limiting bulge; the sliding part is of a stepped structure and comprises: the first step is arranged in the sliding groove, and the second step is connected with the first step and is positioned above the first step and is separated from the groove bottom of the sliding groove; the vertical distance between the second step and the adjusting rear cover is smaller than the vertical distance between the first step and the adjusting rear cover, one end of the springback component is used for propping against one side of the first step opposite to the adjusting rear cover, and the limiting protrusion is used for propping against one side of the second step opposite to the adjusting rear cover.
Further, the impact beam includes: the support rod comprises a rod body and at least one support rod arranged on the rod body; at least one supporting bulge is arranged on one side of the advancing direction of the vehicle body, the supporting rods are the same in number as the supporting bulges and are in unique correspondence with the supporting bulges, and each supporting rod is respectively in rotating connection with each supporting bulge which is in unique correspondence with the supporting rod.
Further, the distance detection module includes: the first infrared sensor detects that one side of the advancing direction of the vehicle body reaches a preset distance between the obstacles, and the first infrared sensor detects that one side of the advancing direction of the vehicle body reaches a preset distance between the obstacles, which is different from the preset distance between the second infrared sensor and the obstacles.
Further, the anticollision mechanism still includes: the alarm module is arranged on the vehicle body and is electrically connected with the main control module; the main control module is used for turning on the alarm module when the distance between one side of the distance detection module, which detects the advancing direction of the vehicle body, and the obstacle is equal to or smaller than a preset distance or when the pressure detection module is triggered.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural view of a flatbed cart according to a first embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a schematic structural view of a collision avoidance mechanism according to a first embodiment of the present invention;
fig. 4 is a system block diagram of a collision avoidance mechanism according to a first embodiment of the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 1;
fig. 6 is a schematic structural view of a dolly according to a second embodiment of the present invention;
fig. 7 is a system block diagram of a collision avoidance mechanism according to a second embodiment of the present invention;
fig. 8 is a front view of a dolly according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
The utility model discloses a first embodiment relates to a anticollision institution of platform truck, as shown in fig. 1 and fig. 2, this anticollision institution includes: the distance detection module 2 and the pressure detection module 3, and the distance detection module sets up in one side of the automobile body 1 advancing direction of platform truck for detect the distance between one side of the advancing direction of automobile body 1 to the barrier, and the pressure detection module sets up in automobile body 1.
As shown in fig. 3, the collision avoidance mechanism of the present embodiment further includes: a base 4 provided in the vehicle body 1, and a crash bar 5 provided on one side in the traveling direction of the vehicle body 1. The crash bar 5 is disposed opposite to the pressure detection module 3, and the crash bar 5 is movable toward the pressure detection module 3.
As shown in fig. 3, the anti-collision mechanism according to the present embodiment further includes: and the firing pin 6 is arranged on the base 4, the firing pin 6 can slide along the direction opposite to the pressure detection module 3 and the anti-collision rod 5, the firing pin 6 is also elastically connected with the base 4, one end of the firing pin 6 opposite to the anti-collision rod 5 is abutted against the anti-collision rod 5, and the opposite end is separated from the pressure detection module 3. The striker 6 is located at an end of the pressure detection module 3, and is configured to strike and trigger the pressure detection module 3 when the striker 6 slides to a preset position in a direction toward the pressure detection module 3.
As shown in fig. 4, in the present embodiment, the distance detection module 2, the pressure detection module 3, the brake device of the flatcar, and the driving device for driving the car body 1 of the flatcar to run are all electrically connected to the main control module of the flatcar. In the practical application process, as shown in fig. 3, the main control module is configured to turn on the brake device when the distance between the obstacle and the side of the vehicle body 1, where the distance detection module 2 detects the advancing direction, is equal to or less than a preset distance. The main control module is also used for controlling the power-off of the driving device when the pressure detection module 3 is triggered. From this it is difficult to see that, when the platform truck is at the in-process of traveling, can make the platform truck have multiple anticollision mechanism through distance detection module 2 and pressure detection module 3, but almost various proruption situation of prevention improves the protection to the pedestrian, avoids the emergence of potential safety hazard.
Specifically, in the present embodiment, as shown in fig. 1 and 3, the pressure detection module 3 is a pressure sensor. And the distance detection module 2 includes: a first infrared sensor 21 and a second infrared sensor 22. In the present embodiment, the first infrared sensor 21 detects a preset distance from one side of the vehicle body 1 in the traveling direction to the obstacle, and the preset distance from one side of the vehicle body 1 in the traveling direction to the obstacle is different from the preset distance from the second infrared sensor 22. That is to say, when in practical application, the detection distances of the first infrared sensor 21 and the second infrared sensor 22 can be respectively set through the main control module, for example, the detection distance of the first infrared sensor 21 can be set to 5 meters, and the detection distance of the second infrared sensor 22 can be set to 1.5 meters, so that before the vehicle body 1 collides, the main control module can control the brake device of the platform vehicle to brake the vehicle body 1, and the safety performance of the platform vehicle during running is further improved. In the present embodiment, the description will be given only by taking the example in which the detection distances of the first infrared sensor 21 and the second sensor 22 are set to be different from each other, but in the course of practical application, the detection distances of the first sensor 21 and the second sensor 22 may be set to be the same, and the detailed description will not be given in the present embodiment.
Specifically, as shown in fig. 3, in the present embodiment, the base 4 is provided with a slide groove 41. Further, the striker 6 includes: the striker 6 can slide by sliding the sliding portion 63 in the sliding groove 41, wherein the sliding portion 63 is partially embedded in the sliding groove 41, and the first abutting portion 61 abuts against the impact bar 5, the second abutting portion 62 faces the first abutting portion 61, and the sliding portion 63 is slidably engaged with the sliding groove 41. In addition, the collision avoidance mechanism of the present embodiment further includes: and a resilient member 7 disposed in the slide groove 41, one end of the resilient member 7 being in contact with the slide portion 63, and the other end of the resilient member 7 being in contact with a groove wall of the slide groove 41.
Note that, in the present embodiment, as shown in fig. 3, the base 4 includes: a base plate 42, a support part 43 and a seat body 44 provided with a slide groove 41. The base plate 42 and the seat body 44 are oppositely disposed in a direction perpendicular to the sliding direction of the striker 6, and the support portion 43 is disposed between the base plate 42 and the seat body 44 and connects the base plate 42 and the seat body 44 so that the seat body 44 and the base plate 42 can be spaced apart by the support portion 43, and a first insertion groove 45 and a second insertion groove 46 can be formed, respectively. Also, as shown in fig. 3, the first slot 45 and the second slot 46 are located on both sides of the support portion 43 in the sliding direction of the striker 6.
As shown in fig. 3, the collision avoidance mechanism of the present embodiment includes: set firmly supporting seat 8 in automobile body 1, and this supporting seat 8 includes: a first support plate 81 and a second support plate 82 disposed oppositely in the sliding direction of the striker 6. Wherein the first support plate 81 is at least partially inserted into the first insertion groove 45 and the second support plate 82 is at least partially inserted into the second insertion groove 46. In practical application, by means of the cooperation between the first support plate 81 and the second support plate 82 and the first slot 45 and the second slot 46, not only the base 4 can be limited, but also the base 4 and the support base 8 can be relatively slid along the sliding direction of the striker 6. And, when the base 4 and the supporting seat 8 slide to a predetermined position, they can be fixed relatively to the supporting seat 8. From this it can easily be seen, according to the different application scenes of platform truck, with the help of base 4 and 8 relative slip of supporting seat, can realize the regulation to 7 resilience forces of part of kick-backing.
In order to fix the base 4 and the support base 8, as shown in fig. 3, the base body 44 of the present embodiment includes: a base 441 and an adjustable rear cover 442. The base 441 includes a horizontal segment 4411 and a vertical segment 4412 disposed at one end of the horizontal segment 4411, wherein the horizontal segment 4411 is spaced apart from the substrate 42, and a first slot 45 and a second slot 46 are respectively formed between the horizontal segment 4411 and the substrate 42. The adjusting rear cover 442 is disposed at the other end of the horizontal section 4411 along the sliding direction of the striker 6, and is spaced from the vertical section 4412 to form a sliding slot 41, so that when the resilient member 7 is placed in the sliding slot 41, the other end of the resilient member 7 can directly abut against the adjusting rear cover 442, i.e., an left side slot wall of the sliding slot 41, and the adjusting rear cover 442 can be fixed at any position of the second support plate 82 by a locking member. For example, the locking member may be a bolt, and a positioning hole (not shown) may be formed in the adjusting rear cover 442 in a direction perpendicular to the sliding direction of the base 4, and a plurality of screw holes (not shown) may be formed in the horizontal section 4411, so that after the adjusting rear cover 442 slides to a corresponding position along the sliding groove 41, the positioning hole thereon may correspond to one of the screw holes in the horizontal section 4411, and at this time, the bolt sequentially passes through the positioning hole in the adjusting rear cover 442 and the screw hole in the horizontal section 4411 and is screwed with the screw hole, thereby achieving the locking and fixing between the base 4 and the supporting base 8.
In addition, as shown in fig. 3, preferably, one side of the adjustment rear cover 442 away from the second support plate 82 is bent and extended in the direction of the vertical section 4412 to form a limiting protrusion 443. In the present embodiment, as shown in fig. 3, the sliding portion 63 has a stepped structure, and the sliding portion 63 specifically includes: a first step 631 disposed in the sliding groove 41, and a second step 632 connected to the first step 631, wherein the second step 632 is located above the first step 631 and spaced apart from the groove bottom of the sliding groove 41. Wherein, the vertical distance between the second step 632 and the adjustable rear cover 442 is smaller than the vertical distance between the first step 631 and the adjustable rear cover 442. In the present embodiment, the resilient member 7 is a spring, one end of the spring abuts against the side of the first step 631 opposite to the adjustment rear cover 442, and the stopper projection 443 abuts against the side of the second step 632 opposite to the adjustment rear cover 442. Therefore, it can be seen that through the cooperation of the first step 631 and the adjusting rear cover 442, the spring can apply a reaction force to the striker 6, so that the striker 6 can return to the initial position under the resilience of the spring under the condition of no stress, and meanwhile, through the abutting between the limiting protrusion 443 and the second step 632, the sliding distance of the striker 6 can be limited, thereby avoiding the excessive impact force on the pressure detection module 3 caused by the overlong sliding distance of the striker 6, and further realizing the protection of the pressure detection module 3.
In order to enable the impact bar 5 to slide the striker 6 along the slide groove 41 when the impact bar hits an obstacle, in the present embodiment, as shown in fig. 1 and 5, the impact bar 5 includes: a rod body 51 and at least one support rod 52 arranged on the rod body 51. Meanwhile, at least one supporting protrusion 11 is arranged on one side of the advancing direction of the vehicle body 1, the number of the supporting rods 52 is the same as that of the supporting protrusions 11, the supporting rods 52 are uniquely corresponding to the supporting protrusions 11, and each supporting rod 52 is rotatably connected with each uniquely corresponding supporting protrusion 11. Preferably, in this embodiment, as shown in fig. 1 and 5, two support rods 52 and two support protrusions 11 are provided, the two support rods 52 are respectively disposed at two ends of the rod body 51 and are respectively rotatably connected with the two support protrusions 11, and the rod body 51 can be turned over around the hinged ends of the support rods 52 and the support protrusions 11 through the cooperation of the two support rods 52 and the support protrusions 11, so that when the rod body 51 collides with an obstacle, the striker 6 can be driven to slide along the sliding groove 41 of the base 4 toward the pressure detection module 3, and the pressure detection module 3 can effectively detect physical impact of the vehicle body 1.
The second embodiment of the present invention relates to an anti-collision mechanism for a platform truck, which is further improved on the basis of the first embodiment, and the main improvement thereof lies in that, as shown in fig. 6 and 7, the anti-collision mechanism of the present embodiment further comprises: the alarm module 9 is arranged on the vehicle body 1, and the alarm module 9 is electrically connected with the main control module.
In practical application, the main control module is used for turning on the alarm module 9 to give an alarm when the distance between the side, in which the distance detection module 2 detects the advancing direction of the vehicle body 1, and the obstacle is equal to or less than a preset distance, or when the pressure detection module 3 is triggered. In the present embodiment, the alarm module 9 may be any one of a buzzer, an optical alarm, and an audible and visual alarm. Therefore, the alarm module 9 can give an alarm to remind the user in time, and the safety performance of the platform car during running is further improved.
The third embodiment of the present invention relates to a dolly, as shown in fig. 3, this dolly comprises: the collision avoidance system comprises a vehicle body 1, a main control module and the collision avoidance mechanism of the first embodiment or the second embodiment.
Through the discovery of above-mentioned content, when the platform truck is at the in-process of traveling, can make the platform truck have multiple crashproof mechanism through anticollision institution's distance detection module 2 and pressure detection module 3, but the almost various emergency situation of prevention improves the protection to the pedestrian, avoids the emergence of potential safety hazard.
As shown in fig. 8, in the present embodiment, preferably, two collision avoidance mechanisms are provided, and the impact bar 5 and the distance detection module 2 of one collision avoidance mechanism are provided on the front side of the vehicle body 1, and the impact bar 5 and the distance detection module 2 of the other collision avoidance mechanism are provided on the rear side of the vehicle body. So that the platform car has multiple anti-collision mechanisms no matter the platform car moves forward or moves backward, the protection of pedestrians is further improved, and the potential safety hazard is avoided.
It will be understood by those skilled in the art that the foregoing embodiments are specific to the implementation of the present invention and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (10)
1. The utility model provides a crashproof mechanism of platform truck which characterized in that includes:
the distance detection module is arranged on one side of the advancing direction of the vehicle body of the platform vehicle and used for detecting the distance between one side of the advancing direction of the vehicle body and the obstacle;
the pressure detection module is arranged in the vehicle body;
the base is arranged in the vehicle body;
the anti-collision rod is arranged on one side of the advancing direction of the vehicle body and is opposite to the pressure detection module; the anti-collision rod can move towards the direction of the pressure detection module;
a striker disposed on the base; the striker is slidable along the direction opposite to the pressure detection module and the anti-collision rod and is elastically connected with the base, one end of the striker opposite to the anti-collision rod is abutted against the anti-collision rod, the opposite end of the striker is separated from the pressure detection module, and one end of the striker opposite to the pressure detection module is used for impacting and triggering the pressure detection module when the striker slides to a preset position along the direction of the pressure detection module;
the distance detection module, the pressure detection module, the brake device of the platform truck and the driving device for driving the truck body of the platform truck to run are electrically connected with the main control module of the platform truck;
the main control module is used for turning on the brake device when the distance between one side of the vehicle body, which is detected by the distance detection module and the obstacle is equal to or smaller than a preset distance; the main control module is also used for controlling the driving device to be powered off when the pressure detection module is triggered.
2. The crash prevention mechanism for a dolly of claim 1 wherein said base defines a slot therein and said striker pin comprises: the first abutting part abuts against the anti-collision rod, the second abutting part opposite to the first abutting part, and the sliding part connecting the first abutting part and the second abutting part, wherein part of the sliding part is embedded into the sliding groove;
the anticollision institution still includes: the rebound component is arranged in the sliding groove, one end of the rebound component is abutted against the sliding part, and the other end of the rebound component is abutted against the groove wall of the sliding groove.
3. The cart crash prevention mechanism of claim 2 wherein said base comprises: the base plate, the supporting part and the seat body are provided with the sliding grooves; the base plate and the seat body are oppositely arranged along a sliding direction perpendicular to the striker, and the supporting part is arranged between the base plate and the seat body and is used for connecting the base plate and the seat body;
the seat body and the substrate are separated by the supporting part to form a first slot and a second slot respectively, and the first slot and the second slot are positioned on two sides of the supporting part along the sliding direction of the striker;
the anticollision institution includes:
the supporting seat sets firmly in the automobile body, and includes: the first supporting plate and the second supporting plate are oppositely arranged along the sliding direction of the firing pin, the first supporting plate is at least partially inserted into the first slot, and the second supporting plate is at least partially inserted into the second slot; the base is used for sliding relative to the supporting seat along the sliding direction of the firing pin, and the base is also used for being fixed relative to the supporting seat when sliding relative to the supporting seat to a preset position.
4. The crash avoidance mechanism of a dolly of claim 3 wherein said seat body comprises:
a substrate, comprising: the vertical section is arranged at one end of the horizontal section; the horizontal section is separated from the substrate, and the first slot and the second slot are formed between the horizontal section and the substrate respectively;
the adjusting rear cover is arranged at the other end of the horizontal section along the sliding direction of the firing pin; the adjusting rear cover and the vertical section are mutually separated to form the sliding groove; the adjusting rear cover is used for being fixed at any position of the second supporting plate.
5. The anti-collision mechanism of the platform truck as claimed in claim 4, wherein one side of the adjusting rear cover away from the second support plate is bent and extended towards the direction of the vertical section to form a limiting protrusion;
the sliding part is of a stepped structure and comprises: the first step is arranged in the sliding groove, and the second step is connected with the first step and is positioned above the first step and is separated from the groove bottom of the sliding groove;
the vertical distance between the second step and the adjusting rear cover is smaller than the vertical distance between the first step and the adjusting rear cover, one end of the springback component is used for propping against one side of the first step opposite to the adjusting rear cover, and the limiting protrusion is used for propping against one side of the second step opposite to the adjusting rear cover.
6. The crash prevention mechanism for a dolly of claim 1 wherein said crash bar comprises: the support rod comprises a rod body and at least one support rod arranged on the rod body;
at least one supporting bulge is arranged on one side of the advancing direction of the vehicle body, the supporting rods are the same in number as the supporting bulges and are in unique correspondence with the supporting bulges, and each supporting rod is respectively in rotating connection with each supporting bulge which is in unique correspondence with the supporting rod.
7. The cart collision avoidance mechanism of claim 1, wherein said distance detection module comprises: the first infrared sensor detects that one side of the advancing direction of the vehicle body reaches a preset distance between the obstacles, and the first infrared sensor detects that one side of the advancing direction of the vehicle body reaches a preset distance between the obstacles, which is different from the preset distance between the second infrared sensor and the obstacles.
8. The crash prevention mechanism for a dolly of any one of claims 1 to 7 further comprising: the alarm module is arranged on the vehicle body and is electrically connected with the main control module;
the main control module is used for turning on the alarm module when the distance between one side of the distance detection module, which detects the advancing direction of the vehicle body, and the obstacle is equal to or smaller than a preset distance or when the pressure detection module is triggered.
9. A dolly, comprising: the anti-collision device comprises a vehicle body, a main control module and at least one anti-collision mechanism according to any one of claims 1 to 8.
10. A dolly according to claim 9 wherein there are two of the collision avoidance mechanisms and wherein the bumper bar and the distance detection module of one of the collision avoidance mechanisms are provided on a front side of the dolly and the bumper bar and the distance detection module of the other of the collision avoidance mechanisms are provided on a rear side of the dolly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020037907.6U CN211543456U (en) | 2020-01-08 | 2020-01-08 | Anti-collision mechanism of platform truck and platform truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020037907.6U CN211543456U (en) | 2020-01-08 | 2020-01-08 | Anti-collision mechanism of platform truck and platform truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211543456U true CN211543456U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020037907.6U Active CN211543456U (en) | 2020-01-08 | 2020-01-08 | Anti-collision mechanism of platform truck and platform truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211543456U (en) |
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2020
- 2020-01-08 CN CN202020037907.6U patent/CN211543456U/en active Active
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