Anti-collision mechanism of electric flat carriage

Abstract

The utility model discloses an electric flat carriage anti-collision mechanism which comprises a supporting seat connected to the outer side of an electric flat carriage, the supporting seat is connected with a U-shaped anti-collision plate, the U-shaped anti-collision plate comprises an anti-collision part and force unloading parts located on the two sides of the anti-collision part, and force unloading shear pins are connected between the force unloading parts and the supporting seat. A buffer plate is arranged between the supporting base and the U-shaped anti-collision plate, and the two sides of the buffer plate are connected with the supporting base and the U-shaped anti-collision plate through buffer springs respectively. A double-layer anti-collision mechanism is completed through shearing of the force unloading shear pin and deformation of the buffer spring, so that the anti-collision mechanism is simpler, more efficient and easy to maintain, and the impact on the main body structure of the electric flat carriage is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric flat car technical field, and specifically relates to an electric flat car anti-collision mechanism. BACKGROUND

[0002] Electric flat car, alias electric flat car, track flat car and the like, is a kind of factory transport tool, mainly in enterprise workshop, warehouse, port and the like place, along preset track or in specific flat road surface, heavy goods are handled, based on electric flat car simple structure, strong applicability, flexible use, strong bearing capacity, easy maintenance and the like characteristics, can greatly improve handling efficiency, reduce labor cost, and be widely used in mechanical manufacturing, metallurgy, chemical industry, electric power and many other industries.

[0003] But in the use process of electric flat car, especially when handling some large machinery, it is easy to block the sight, and collision is prone to occur in the transportation process, and then it is necessary to install anti-collision buffer device, and most of the prior art is provided with simple protective plate or protective pad at the front and rear ends of electric flat car, which can only achieve anti-collision by the protective plate when transporting heavy machinery, and cannot buffer, so the protective effect is not ideal, and the risk of collision damage to electric flat car still exists;In addition, the announcement number CN219601248U discloses a buffer device of electric flat car, a relatively complex spring mechanism is additionally arranged between the protective plates as a buffer mechanism, further, secondary buffering is carried out by the deformation of buffer steel plate, and double-layer buffering mechanism can effectively prevent collision, but when the collision pressure is larger, electric flat car can still be damaged, the buffering mechanism is relatively complex, the maintenance cost is relatively high, and maintenance is inconvenient.

[0004] Therefore, a more simple and reliable way is needed to solve the above problems. INVENTION CONTENTS

[0005] The utility model provides a kind of electric flat car anti-collision mechanism to solve at least one of the above technical problems.

[0006] The technical scheme adopted by the utility model is as follows: a kind of electric flat car anti-collision mechanism, including the support seat connected in the outer side of electric flat car, the support seat is connected with U type anti-collision plate, the U type anti-collision plate includes the collision part and the unloading part located at the two sides of collision part, and the unloading shear pin is connected between the unloading part and the support seat;

[0007] Buffer plate is arranged between the support seat and the U type anti-collision plate, and the buffer plate is connected with the support seat and the U type anti-collision plate by buffer spring on both sides.

[0008] Preferably, either of the unloading part and the buffer plate has a protrusion extending along the length direction of the unloading part, and the other has a groove matched with the protrusion.

[0009] Preferably, the buffer plate has a honeycomb aluminum core structure inside.

[0010] Preferably, the support base further comprises fixing parts on both sides of the support base, the fixing parts are connected with the electric flat car, and the fixing parts are connected with the force relieving part through force relieving shear pins.

[0011] Preferably, the fixing parts are connected with the electric flat car in a bolted manner.

[0012] Preferably, the support base comprises first force seats and second force seats, and the first force seats and the second force seats are connected in a sliding mode.

[0013] Preferably, the buffer spring comprises elastic springs and damping springs, and the elastic springs and the damping springs are connected with the support base and the U-shaped anti-collision plate in an alternating mode.

[0014] Preferably, the impact part and the force relieving part of the U-shaped anti-collision plate are provided with threaded grooves, and the impact part and the force relieving part are connected through fixing bolts matched with the threaded grooves.

[0015] Preferably, the impact part is provided with a shock-absorbing pad on the side away from the buffer plate, and the shock-absorbing pad is connected to the impact part through gluing or magic tape.

[0016] Preferably, the buffer plate is provided with a pressure sensing alarm on the side close to the U-shaped anti-collision plate.

[0017] Thanks to the above technical scheme, the utility model has the following beneficial effects:

[0018] 1. On one hand, the impact part of the U-shaped anti-collision plate can directly bear the impact, and the deformation of the force relieving part can disperse the impact force generated when the impact occurs, thereby improving the overall anti-collision performance; on the other hand, when the U-shaped anti-collision plate collides, the force relieving shear pins and the buffer spring can work together to absorb the initial impact force by the fracture of the force relieving shear pins when the impact occurs, and then the buffer spring can further dissipate energy by deformation, thereby reducing the impact on the main structure of the electric flat car.

[0019] 2. As a preferred embodiment of the utility model, the recess and the protrusion between the force relieving part and the buffer plate can work together when the U-shaped anti-collision plate is subjected to pressure impact, the force relieving part can deform under the huge impact, and the protrusion and the recess can guide the impact force to transfer along the length direction of the force relieving part, thereby avoiding local stress concentration and enhancing the structural stability, in addition, the force relieving part can also resist part of the impact force when it deforms.

[0020] 3. As a preferred embodiment of the utility model, the hexagonal structure of the honeycomb aluminum core can efficiently absorb impact energy and reduce residual force transmitted to the electric flat car when subjected to pressure impact, in addition, the honeycomb aluminum core can have light weight and strength, reduce overall weight while ensuring compression resistance, is suitable for the electric flat car frequently moved, reduces the weight burden of the electric flat car, and balances energy.

[0021] 4. As a preferred embodiment of the utility model, the fixed part is connected with the electric flat car and the force relieving part, which is beneficial to increase the contact area of the support seat and the force relieving shear pin, add the number of force relieving shear pins according to the contact area, and better fix the support seat and the force relieving part, on the other hand, the fixed part is connected with the electric flat car through bolt connection or pin insertion mode, provides flexible installation and detachable design, is convenient for adjusting the installation mode according to the use scene (such as frequent disassembly or long-term fixation), and reduces the assembly complexity.

[0022] In addition, the sliding expansion of the first force seat and the second force seat is beneficial to the support seat to adapt to different models of electric flat cars and improve material utilization; on the other hand, the controllable displacement of the slidingly connected first force seat and the second force seat when the support seat is impacted further dissipates energy, avoids stress concentration caused by rigid support, and improves system capacity.

[0023] 5. As a preferred embodiment of the utility model, the elastic spring and the damping spring are alternately distributed, so that the elastic deformation of the elastic spring can provide a quick reset function, the damping of the damping spring not only improves the supporting force, but also enhances the energy dissipation efficiency, and the alternative combination form takes into account the buffer response speed and energy absorption effect, preventing resonance or fatigue fracture caused by a single spring type.

[0024] 6. As a preferred embodiment of the utility model, the impact part and the force relieving part are connected by fixed bolts. The detachable connection design of the threaded groove and the fixed bolt can make the force relieving part be replaced independently in the case that the impact force is small and only the force relieving shear pin is sheared, which is beneficial to reduce the maintenance cost; the modular structure is also convenient for adjusting the bumper plate configuration according to different working conditions.

[0025] In addition, by setting the shock pad outside the impact part, it can be used as the first layer of flexible buffer medium to absorb high-frequency low-energy vibration, reduce noise and reduce direct wear of metal parts; the fixed mode of the shock pad connected to the impact part by gluing or magic tape simplifies the replacement process and adapts to different environmental requirements.

[0026] 7、As a preferred embodiment of the utility model, through pressure sensing alarm, when receiving collision pressure, the U-shaped anti-collision plate will extrude the collision pressure sensing alarm, the pressure sensing alarm can monitor the impact intensity in real time and trigger the warning, help the operator to take emergency measures in time, record the impact data at the same time to provide the basis for subsequent maintenance or accident analysis, and improve the initiative safety. BRIEF DESCRIPTION OF DRAWINGS

[0027] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the utility model. The illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute undue limitation on the utility model. In the drawings:

[0028] Figure 1 It is a structural schematic diagram of the anti-collision mechanism of the electric flat car according to the embodiment of the utility model;

[0029] Figure 2 It is a state schematic diagram of the force releasing shear pin shearing according to the embodiment of the utility model;

[0030] Figure 3 It is a structural schematic diagram of the buffer spring alternate distribution according to the embodiment of the utility model;

[0031] Figure 4 It is a structural schematic diagram of the buffer plate and force releasing part cooperation according to the embodiment of the utility model;

[0032] Figure 5 It is a structural schematic diagram of the U-shaped anti-collision plate according to the embodiment of the utility model;

[0033] Figure 6 It is a structural schematic diagram of the support seat according to the embodiment of the utility model;

[0034] Figure 7 It is a structural schematic diagram of the Figure 2 It is a sectional structure schematic diagram of the buffer plate in area A;

[0035] Reference signs

[0036] 1、Electric flat car;

[0037] 2、Support seat;21、Fixed part;22、First force seat;23、Second force seat;201、Slide rail;211、Adjusting bolt;

[0038] 3、U-shaped anti-collision plate;31、Anti-collision part;32、Force releasing part;301、Threaded groove;321、Projection;

[0039] 4、Buffer plate;411、Groove;

[0040] 5, buffer spring; 51, first spring; 52, second spring; 501, elastic spring; 502, damping spring;

[0041] 6, fixing bolt;

[0042] 7, honeycomb aluminum core;

[0043] 8, force relief shear pin. DETAILED DESCRIPTION

[0044] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail with reference to the accompanying drawings.

[0045] In the following description, a number of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other ways different from those described herein, therefore, the scope of protection of the present application is not limited by the specific embodiments disclosed below.

[0046] In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the present application.

[0047] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. In the description of the present application, the description of the terms "embodiment", "example", "one embodiment", "illustration" or "specific example" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] Embodiment 1

[0050] As shown in Figure 1 , Figure 2 , a kind of electric flat car anti-collision mechanism, support seat 2 is connected to the outside of electric flat car 1, U-shaped anti-collision plate 3 is connected on both sides of support seat 2, U-shaped anti-collision plate 3 has two parts, which are located in front of the collision part 31 and the unloading part 32 located on both sides of the collision part 31, unloading part 32 is connected on the left and right sides of support seat 2 by unloading shear pin 8;Buffer plate 4 is also installed between support seat 2 and U-shaped anti-collision plate 3, buffer spring 5 is welded on the collision part 31 of U-shaped anti-collision plate 3 and support seat 2 on both sides of buffer plate 4, wherein buffer spring 5 includes first spring 51 and second spring 52, one side of buffer plate 4 is connected with collision part 31 by four first springs 51, the other side of buffer plate 4 is connected with support seat 2 by four second springs 52, so as to fix buffer plate 4 between collision part 31 and support seat 2. When impacted by pressure, the collision part 31 of the U-shaped anti-collision plate 3 first directly bears the impact, at this time the unloading shear pin 8 connecting the two unloading parts 32 and the support seat 2 will be cut off, so as to disperse the initial impact force, after the unloading shear pin 8 is cut off, under the action of pressure, the collision part 31 will extrude the first spring 51, so as to extrude the buffer plate 4, the buffer plate 4 will extrude the second spring 52, further dissipate energy through the elastic deformation of the first spring 51 and the second spring 52, disperse the impact force through deformation, improve the overall anti-collision performance, and reduce the impact on the main structure of the electric flat car 1.

[0051] In addition, as shown in Figure 3 , the first spring 51 and the second spring 52 of the buffer spring 5 respectively have elastic spring 501 and damping spring 502, and are alternately distributed in the same row and the same column, the elastic spring 501 can disperse the collision pressure by elastic deformation, and the damping spring 502 can provide more robust support effect, while the damping effect can enhance the energy dissipation efficiency, and the combination form of row and column alternately distributed can take into account the support and energy absorption effect, to prevent resonance or fatigue fracture caused by single spring type.

[0052] Embodiment 2

[0053] As shown in Figure 4 , a kind of electric flat car anti-collision mechanism, unlike embodiment 1, force relieving part 32 has protrusion 321 along the length direction of force relieving part 32 extends, buffer plate 4 has recess 411 matched with protrusion 321, when receiving pressure impact, after force relieving shear nail 8 is cut, buffer plate 4 can be extruded and move along protrusion 321 of force relieving part 32, on the one hand, such structural design can make force relieving part 32 and buffer plate 4 better cooperate, improve the overall performance of anti-collision mechanism, on the other hand, when being impacted by excessive pressure, force relieving part 32 will form damping after deformation, under the double action of second spring 52 and damping, it can prevent buffer plate 4 from further impacting support seat 2, so as to effectively reduce the impact on the main structure of electric flat car 1, improve the anti-collision performance.

[0054] Embodiment 3

[0055] As shown in Figure 5 , Figure 6 , Figure 7 , a kind of electric flat car anti-collision mechanism, unlike embodiment 1, the impact part 31 of U-shaped anti-collision plate 3 and force relieving part 32 are provided with threaded groove 301, and the two are connected by fixing bolt 6 matched with threaded groove 301, when the pressure impact force is small, only force relieving shear nail 8 is cut off at this time, at this time other components are not damaged, the bolt connection mode of impact part 31 and force relieving part 32 is conducive to facilitate disassembly and maintenance, reduce cost;At the same time, 4 shock-absorbing pads with an area of 0.5 square meters are pasted on the outer layer of impact part 31 away from buffer plate 4 by magic tape, through the soft elasticity of shock-absorbing pad, not only the integrity of impact part 31 can be protected, but also a small part of collision pressure can be absorbed, and the transfer mode of magic tape is also convenient for replacement and maintenance of shock-absorbing pad in later period.

[0056] In addition, support seat 2 has fixing part 21 on both sides, fixing part 21 is connected with electric flat car 1 by adjusting bolt 211, this connection mode can facilitate installation and disassembly, in addition, when fixing part 21 is connected with force relieving part 32 by force relieving shear nail 8, fixing part 21 can increase the stress area of force relieving shear nail 8 and support seat 2, which is conducive to increasing the installation quantity of force relieving shear nail 8, and can ensure that the connection between support seat 2 and force relieving part 32 is more stable. Support seat 2 also includes first force seat 22 and second force seat 23, and first force seat 22 and second force seat 23 are connected by sliding rail 201, so that support seat 2 can adapt to electric flat car 1 of different sizes, improve the utilization rate of support seat 2, on the other hand, first force seat 22 and second force seat 23 can slide slightly relative when impacted, which plays a certain role in buffering and relieving force.

[0057] Particularly, four pressure sensor alarms are installed on the side of the buffer plate 4 facing the impact part 31, when the first spring 51 cannot support the pressure, the impact part 31 will press the pressure sensor alarm, at this time, the pressure sensor alarm will make a sound, reminding the operator to take emergency measures such as emergency braking; a hexagonal honeycomb aluminum core 7 with a hole diameter of 3-5mm is designed inside the buffer plate 4, when the impact force is transmitted to the buffer plate 4, the honeycomb aluminum core 7 can reduce the weight of the buffer plate 4 on one hand, realize light weight, on the other hand, its special structure can effectively absorb the impact energy, improve the energy absorption efficiency, as a three-layer buffer mechanism.

[0058] The parts not described in the utility model can be realized by using or referring to the existing technology.

[0059] Each embodiment in the specification adopts a progressive manner for description, and the same or similar parts between each embodiment can be referred to each other, and each embodiment mainly describes the difference from other embodiments.

[0060] The above is only an embodiment of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the claim range of the utility model.

Claims

1. A collision prevention mechanism for an electric flat car, comprising a support seat (2) connected to the outer side of the electric flat car (1), characterized in that, The support seat (2) is connected with a U-shaped anti-collision plate (3), the U-shaped anti-collision plate (3) comprises a collision part (31) and a force relieving part (32) located on both sides of the collision part (31), and the force relieving part (32) is connected with the support seat (2) through a force relieving shear pin (8). The support seat (2) and the U-shaped anti-collision plate (3) are provided with a buffer plate (4) therebetween, and the buffer plate (4) is connected with the support seat (2) and the U-shaped anti-collision plate (3) through a buffer spring (5) on both sides thereof.

2. The anti-collision mechanism of the electric flat car according to claim 1, characterized in that, Either of the force relieving part (32) and the buffer plate (4) is provided with a protrusion (321) extending along the length direction of the force relieving part (32), and the other is provided with a groove (411) matched with the protrusion (321).

3. The anti-collision mechanism of the electric flat car according to claim 1, characterized in that, The buffer plate (4) is internally provided with a honeycomb aluminum core (7) structure.

4. The anti-collision mechanism of the electric flat car according to claim 1, characterized in that, The support seat (2) further comprises a fixing part (21) located on both sides of the support seat (2), the fixing part (21) is connected with the electric flat car (1), and the fixing part (21) is connected with the force relieving part (32) through the force relieving shear pin (8).

5. The anti-collision mechanism of the electric flat car according to claim 4, characterized in that, The fixing part (21) is connected with the electric flat car (1) in a bolted manner.

6. The anti-collision mechanism of the electric flat car according to claim 4, characterized in that, The support seat (2) comprises a first force seat (22) and a second force seat (23), and the first force seat (22) and the second force seat (23) are connected in a sliding mode.

7. The anti-collision mechanism of the electric flat car according to claim 1, characterized in that, The buffer spring (5) comprises an elastic spring (501) and a damping spring (502), and the elastic spring (501) and the damping spring (502) are alternately connected with the support seat (2) and the U-shaped anti-collision plate (3).

8. The anti-collision mechanism of the electric flat car according to claim 1, characterized in that, The collision part (31) and the force relieving part (32) of the U-shaped anti-collision plate (3) are provided with a threaded groove (301), and the collision part (31) and the force relieving part (32) are connected through a fixing bolt (6) matched with the threaded groove (301).

9. The anti-collision mechanism of the electric flat car according to claim 8, characterized in that, The collision part (31) is provided with a shock pad on the side away from the buffer plate (4), and the shock pad is connected to the collision part (31) through gluing or magic tape.

10. The anti-collision mechanism of a motorized flat car according to any one of claims 1-8, wherein, The buffer plate (4) is provided with a pressure sensing alarm on the side close to the U-shaped anti-collision plate (3).

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