Boarding bridge

Abstract

The utility model discloses a dock leveler which comprises a base, a bridging mechanism and a connecting mechanism, the bridging mechanism comprises a bridge plate and a first driving part, the bridge plate is arranged above the base, one end of the bridge plate is rotationally connected to the base, and the first driving part drives the bridge plate to rotate in the direction close to or away from the base through stretching and retracting; the connecting mechanism comprises a tongue plate and a second driving part, the tongue plate is rotationally connected to the end, away from the base, of the bridge plate, and the second driving part drives the tongue plate to rotate in the direction close to or away from the bridge plate through stretching and retracting. The dock leveler can adapt to different height differences by adjusting the height of the bridge plate, so that the universality of the dock leveler is improved, and the loading and unloading efficiency and quality can be improved. The tongue plate adopts an automatic contraction structure, so that the tongue plate can be automatically retracted after being opened, the problem that the tongue plate can only be pressed downwards by the gravity of the tongue plate is solved, and the problem that the tongue plate is difficult to descend under the condition that the tongue plate is blocked or the gravity of the tongue plate is insufficient is avoided. And the tongue plate forms an angle, so that the tongue plate is matched with a carriage more closely.

Description

TECHNICAL FIELD

[0001] The utility model relates to a logistics loading and unloading equipment technical field especially relates to a loading bridge. BACKGROUND

[0002] Because the height difference exists between the transport vehicle and the loading and unloading platform, the loading bridge is usually used to erect an inclined bridge between the transport vehicle and the loading and unloading platform to adapt to the height difference, thereby facilitating the use of the carrier to quickly load and unload the goods, but the existing loading bridge is manually rotated to adjust the structure, the bridge plate of the loading bridge needs to be lifted by manual to realize the unfolding, and the bridge plate is lowered through the self gravity, cannot satisfy the use demand of different height difference, the commonality is low, the manual labor intensity is big, and moreover the bridge plate is easy to form the gap between the vehicle compartment after unfolding, thereby causing the carrier to be jammed, influences the loading and unloading efficiency and quality. SUMMARY

[0003] The utility model aims at at least in certain extent solves one of the technical problems in the related art.

[0004] According to the utility model embodiment, provide a kind of loading bridge, including base, bridging mechanism and link mechanism, the bridging mechanism includes bridge plate and first driving piece, the bridge plate is set on the top of the base, one end of the bridge plate is rotatably connected to the base, the fixed end of the first driving piece is rotatably connected to the base, the telescopic end of the first driving piece is rotatably connected to the bottom of the bridge plate, the first driving piece drives the bridge plate to rotate towards the direction of being close to or away from the base by telescopic;The link mechanism includes tongue plate and second driving piece, the tongue plate is rotatably connected to the end of the bridge plate away from the base, the fixed end of the second driving piece is rotatably connected to the bottom of the bridge plate, the telescopic end of the second driving piece is rotatably connected to the bottom of the tongue plate, the second driving piece drives the tongue plate to rotate towards the direction of being close to or away from the bridge plate by telescopic.

[0005] The utility model discloses an embodiment of a boarding bridge has at least the following beneficial effects: when using, the boarding bridge is erected between the transport vehicle and the loading and unloading platform, the end of the bridge plate away from the tongue plate is aligned to the loading and unloading platform, the bridge plate is rotated to the direction away from the base through the telescopic drive of the first drive part, the bridge plate is lifted and exceeds the compartment floor height of the transport vehicle, then the tongue plate is rotated to the direction away from the bridge plate through the telescopic drive of the second drive part, the tongue plate is unfolded, then the bridge plate is rotated to the direction close to the base through the telescopic drive of the first drive part, until the tongue plate is pasted on the compartment floor of the transport vehicle, thereby positioning the position of the bridge plate and the tongue plate, the height of the bridge plate can be adjusted to adapt to different height differences, so that the boarding bridge is universal, and the tongue plate connects the bridge plate and the vehicle compartment of the transport vehicle, so that the transport smoothness of the carrying vehicle is improved, so that the loading and unloading efficiency and quality are improved.

[0006] According to some embodiments of the utility model, one end of the base close to the tongue plate is rotationally connected with a positioning rod, and an end of the positioning rod can abut against the bottom surface of the bridge plate to limit the rotation of the bridge plate to the direction close to the base.

[0007] According to some embodiments of the utility model, the bottom surface of the bridge plate is protrusively provided with a positioning sleeve, and the positioning rod can be inserted into the positioning sleeve to limit the rotation of the positioning rod.

[0008] According to some embodiments of the utility model, the base is provided with a limiting rod, and the positioning rod can abut against the limiting rod to limit the rotation of the positioning rod to the direction away from the bridge plate.

[0009] According to some embodiments of the utility model, the base is provided with a support block at one end close to the tongue plate, a U-shaped groove is formed in the upper end of the support block, and one end of the tongue plate away from the bridge plate can be inserted into the U-shaped groove.

[0010] According to some embodiments of the utility model, the caliber of the slot of the U-shaped groove gradually increases from bottom to top.

[0011] According to some embodiments of the utility model, the base comprises two first connecting rods and two second connecting rods, the two first connecting rods are arranged in parallel with each other, the two second connecting rods are arranged in parallel with each other, the first connecting rod and the second connecting rod are arranged perpendicularly in the horizontal direction, and the two second connecting rods are connected to the two ends of the first connecting rod respectively.

[0012] According to some embodiments of the utility model, a cross bar is connected between the two first connecting rods, the cross bar is arranged in parallel with the second connecting rod, the cross bar is provided with a support, and the fixed end of the first drive part is rotationally connected to the support.

[0013] According to some embodiments of the present invention, one of the second connecting rods is connected to multiple vertical support rods, the multiple support rods are arranged at intervals along the length direction of the second connecting rod, and the bridge plate is rotatably connected to the support rods.

[0014] According to some embodiments of the present invention, the upper end of the support rod is connected to a right-angle block, and the upper surface of the right-angle block is arranged horizontally.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0017] Figure 1 This is a schematic diagram of the loading ramp according to an embodiment of the present invention;

[0018] Figure 2 This is a cross-sectional view of the loading ramp according to an embodiment of the present utility model;

[0019] Figure 3 This is another sectional view of the loading ramp according to an embodiment of the present utility model;

[0020] Figure 4 This is a schematic diagram of the base of the loading ramp according to an embodiment of the present invention.

[0021] Explanation of reference numerals in the attached figures:

[0022] Base 100, limiting rod 110, support block 120, U-shaped groove 121, first connecting rod 130, second connecting rod 140, crossbar 150, support 151, support rod 160, right angle block 170, first reinforcing rod 180, second reinforcing rod 190, bridging mechanism 200, bridge plate 210, positioning sleeve 211, side baffle 212, first driving component 220, connecting mechanism 300, tongue plate 310, second driving component 320, positioning rod 400. Detailed Implementation

[0023] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0024] In the description of the utility model, it needs to be understood that, if the direction description, such as up, down, front, back, left, right and other directions or positional relationship indicated based on the direction or positional relationship shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not to indicate or imply that the device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation of the utility model.

[0025] In the description of the utility model, several means one or more, the meaning of multiple is two or more, greater than, less than, more than and the like are understood as not including the number, above, below, within and the like are understood as including the number.If there is a description to the first, second is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0026] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0027] It can be understood that, with reference to Figures 1 to 4 The utility model discloses a boarding bridge, including base 100, bridging mechanism 200 and link mechanism 300, bridging mechanism 200 includes bridge plate 210 and first drive piece 220, bridge plate 210 is set up in the top of base 100, and one end of bridge plate 210 is rotatably connected to base 100, and the fixed end of first drive piece 220 is rotatably connected to base 100, and the telescopic end of first drive piece 220 is rotatably connected to the bottom of bridge plate 210, and first drive piece 220 drives bridge plate 210 to rotate to the direction close to or away from base 100 through telescopic;Link mechanism 300 includes tongue plate 310 and second drive piece 320, tongue plate 310 is rotatably connected to the end of bridge plate 210 away from base 100, and the fixed end of second drive piece 320 is rotatably connected to the bottom of bridge plate 210, and the telescopic end of second drive piece 320 is rotatably connected to the bottom of tongue plate 310, and second drive piece 320 drives tongue plate 310 to rotate to the direction close to or away from bridge plate 210 through telescopic.

[0028] In use, the ramp is erected between the transport vehicle and the loading platform, the bridge plate 210 is aligned with the loading platform away from the end of the tongue plate 310, the bridge plate 210 is driven to rotate away from the base 100 by the first driving member 220, the bridge plate 210 is raised and exceeds the height of the transport vehicle, then the tongue plate 310 is driven to rotate away from the bridge plate 210 by the second driving member 320, the tongue plate 310 is unfolded, then the bridge plate 210 is driven to rotate towards the base 100 by the first driving member 220, until the tongue plate 310 is attached to the transport vehicle, thereby positioning the bridge plate 210 and the tongue plate 310, the height of the bridge plate 210 can be adjusted to adapt to different height differences, thereby improving the versatility of the ramp, and the tongue plate 310 connects the bridge plate 210 and the transport vehicle, thereby improving the transport smoothness of the transport vehicle and improving the loading efficiency and quality.

[0029] In addition, the tongue plate 310 is driven to rotate towards the bridge plate 210 by the second driving member 320, the tongue plate 310 is reset and closed, and the bridge plate 210 is driven to rotate towards the base 100 by the first driving member 220, the bridge plate 210 is reset and closed, thereby reducing the occupied space of the ramp when not in use, thereby facilitating storage and transportation.

[0030] The side plates 212 can be arranged on the opposite sides of the bridge plate 210, the side plates 212 are arranged downwardly, the first driving member 220 and the second driving member 320 at the bottom of the bridge plate 210 are protected by the side plates 212, thereby improving the working stability of the first driving member 220 and the second driving member 320.

[0031] The first driving member 220 and the second driving member 320 can be air cylinders, oil cylinders or electric push rods, which can drive the bridge plate 210 and the tongue plate 310 to rotate.

[0032] It can be understood that, referring to Figures 2 to 4 , the base 100 is rotatably connected to the positioning rod 400 at the end close to the tongue plate 310, the end of the positioning rod 400 abuts against the bottom surface of the bridge plate 210, thereby limiting the rotation of the bridge plate 210 towards the base 100. When the bridge plate 210 is driven to rotate to the preset position by the first driving member 220, the end of the positioning rod 400 abuts against the bottom surface of the bridge plate 210 by rotating the positioning rod 400, thereby limiting the rotation of the bridge plate 210 towards the base 100, thereby positioning the bridge plate 210, and the bridge plate 210 is supported and fixed by the positioning rod 400, thereby improving the load capacity of the bridge plate 210.

[0033] Specifically, referring to Figure 3 and Figure 4The bottom surface of the bridge plate 210 is provided with a positioning sleeve 211, and the positioning rod 400 can be inserted into the positioning sleeve 211 to limit the rotation of the positioning rod 400. By inserting the positioning rod 400 into the positioning sleeve 211 to limit the rotation of the positioning rod 400, the position stability of the positioning rod 400 can be improved, so as to reduce the possibility of the positioning rod 400 rotating due to slipping, thereby improving the support stability of the positioning rod 400.

[0034] Specifically, referring to Figure 2 and Figure 4 , the base 100 is provided with a limiting rod 110, and the positioning rod 400 can abut against the limiting rod 110 to limit the rotation of the positioning rod 400 away from the bridge plate 210. By abutting the positioning rod 400 against the limiting rod 110 to limit the rotation of the positioning rod 400 away from the bridge plate 210, the position of the positioning rod 400 after resetting can be positioned to avoid the positioning rod 400 abutting and colliding with the ground.

[0035] It can be understood that, referring to Figure 1 , Figure 2 and Figure 4 , the base 100 is provided with a support block 120 near one end of the tongue plate 310, and the upper end of the support block 120 is provided with a U-shaped groove 121, and the end of the tongue plate 310 away from the bridge plate 210 can be inserted into the U-shaped groove 121. When the first driving member 220 drives the bridge plate 210 to rotate towards the base 100, the tongue plate 310 can be inserted into the U-shaped groove 121 from top to bottom, and the side wall of the U-shaped groove 121 can abut against the tongue plate 310 to limit the rotation of the tongue plate 310, thereby improving the position stability of the tongue plate 310 after resetting. In addition, the bottom wall of the U-shaped groove 121 can abut against the tongue plate 310 to support the tongue plate 310, thereby improving the position stability of the bridge plate 210 and the tongue plate 310.

[0036] It should be noted that the support block 120 can be provided with a plurality of support blocks 120, and the plurality of support blocks 120 are arranged along the length direction of the second connecting rod 140. By supporting the tongue plate 310 with the plurality of support blocks 120, the stress can be dispersed to reduce the possibility of deformation of the support block 120.

[0037] Specifically, referring to Figure 2 and Figure 4 , the caliber of the slot of the U-shaped groove 121 gradually increases from bottom to top. Since the caliber of the slot of the U-shaped groove 121 gradually increases from bottom to top, when the first driving member 220 drives the bridge plate 210 to rotate towards or away from the base 100, the tongue plate 310 can be guided to be inserted into or extended out of the U-shaped groove 121 by the inclined side wall of the U-shaped groove 121, thereby reducing the possibility of interference between the tongue plate 310 and the support block 120, and improving the smoothness of the rotation of the bridge plate 210.

[0038] It can be understood that, referring toFigure 4 The base 100 comprises two first connecting rods 130 and two second connecting rods 140, the two first connecting rods 130 are arranged in parallel with each other, the two second connecting rods 140 are arranged in parallel with each other, the first connecting rods 130 and the second connecting rods 140 are arranged perpendicularly in the horizontal direction, and the two second connecting rods 140 are connected to the two ends of the first connecting rods 130 respectively. The rectangular stable structure enclosed by the two first connecting rods 130 and the two second connecting rods 140 can reduce the weight of the base 100 while improving the structural strength of the base 100, thereby improving the support stability of the base 100.

[0039] Specifically, referring to Figure 2 and Figure 4 , the two first connecting rods 130 are connected with a cross rod 150, the cross rod 150 is arranged in parallel with the second connecting rods 140, the cross rod 150 is provided with a support 151, and the fixed end of the first driving member 220 is rotatably connected to the support 151. The two first connecting rods 130 are connected by the cross rod 150, and the cross rod 150 is arranged in parallel with the second connecting rods 140, which can improve the overall structural strength of the base 100, and the support 151 is provided on the cross rod 150, and the fixed end of the first driving member 220 is rotatably connected to the support 151, which can disperse the force of the first driving member 220 on the cross rod 150 to the two first connecting rods 130, reduce the possibility of deformation due to excessive local stress, and thereby improve the load capacity of the boarding bridge.

[0040] Specifically, referring to Figures 2 to 4 , one of the second connecting rods 140 is connected with a plurality of vertical support rods 160, the plurality of support rods 160 are arranged in the length direction of the second connecting rod 140 at intervals, and the bridge plate 210 is rotatably connected to the support rods 160. The plurality of support rods 160 arranged at intervals collectively support the bridge plate 210 to disperse the stress, which can reduce the weight of the base 100 while improving the structural strength of the base 100, thereby improving the support stability of the base 100.

[0041] It should be noted that the first reinforcing rod 180 can be connected between the support rod 160 and the first connecting rod 130, and the second reinforcing rod 190 can be connected between the other second connecting rod 140 and the first connecting rod 130, which can improve the overall structural strength of the base 100, thereby improving the support stability of the base 100.

[0042] Specifically, referring to Figures 1 to 4The upper end of the supporting rod 160 is connected with a right-angle block 170, and the upper end surface of the right-angle block 170 is horizontally arranged. Since the upper end of the supporting rod 160 is connected with the right-angle block 170, and the upper end surface of the right-angle block 170 is horizontally arranged, by clamping the right-angle block 170 into the corner of the loading and unloading platform, and by connecting the upper end surface of the right-angle block 170 with the loading and unloading platform and the bridge plate 210, the transportation smoothness of the carrying vehicle can be improved, so as to improve the loading and unloading efficiency and quality.

[0043] The above describes the embodiments of the present application in detail in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A boarding bridge, characterized in that The utility model relates to a bridge plate and first drive piece, one end of the bridge plate is rotatably connected to the base, the fixed end of the first drive piece is rotatably connected to the base, the telescopic end of the first drive piece is rotatably connected to the bottom of the bridge plate, and the first drive piece drives the bridge plate to rotate towards the base or away from the base through telescopic driving. The utility model relates to a tongue plate and second drive piece, the tongue plate is rotatably connected to the end of the bridge plate away from the base, the fixed end of the second drive piece is rotatably connected to the bottom of the bridge plate, the telescopic end of the second drive piece is rotatably connected to the bottom of the tongue plate, and the second drive piece drives the tongue plate to rotate towards the bridge plate or away from the bridge plate through telescopic driving. One end of the base close to the tongue plate is rotatably connected with a positioning rod, and the end of the positioning rod can abut against the bottom surface of the bridge plate to limit the rotation of the bridge plate towards the base. The bottom surface of the bridge plate is convexly provided with a positioning sleeve, and the positioning rod can be inserted into the positioning sleeve to limit the rotation of the positioning rod.

2. The drive-through bridge of claim 1, wherein, The base is provided with a limiting rod, and the positioning rod can abut against the limiting rod to limit the rotation of the positioning rod away from the bridge plate.

3. The drive-through bridge of claim 2, wherein, The base close to the tongue plate is provided with a support block, the upper end of the support block is provided with a U-shaped groove, and the end of the tongue plate away from the bridge plate can be inserted into the U-shaped groove.

4. The drive-through bridge of claim 2, wherein, The caliber of the slot of the U-shaped groove gradually increases from bottom to top.

5. The drive-through bridge of claim 1, wherein, The base includes two first connecting rods and two second connecting rods, the two first connecting rods are arranged in parallel with each other, the two second connecting rods are arranged in parallel with each other, the first connecting rod and the second connecting rod are arranged perpendicularly in the horizontal direction, and the two second connecting rods are connected to the two ends of the first connecting rod respectively.

6. The drive-through bridge of claim 5, wherein, The two first connecting rods are connected with a cross rod arranged in parallel with the second connecting rod, the cross rod is provided with a support, and the fixed end of the first drive piece is rotatably connected to the support.

7. The drive -through bridge of claim 1, wherein, One of the second connecting rods is connected with a plurality of vertical support rods arranged at intervals along the length direction of the second connecting rod, and the bridge plate is rotatably connected to the support rod.

8. The drive-through bridge of claim 7, wherein, The upper end of the support rod is connected with a right-angle block, and the upper end surface of the right-angle block is arranged horizontally.

9. The drive-through bridge of claim 7, wherein, ​ 10. The drive-through bridge of claim 9, wherein, ​

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