Sanding device for rail transit

Abstract

The utility model discloses a sanding device for rail transit, and belongs to the technical field of rail transit. A sanding device for rail transit comprises a storage bin and further comprises a stirring rod rotationally connected to the storage bin, a plurality of stirring blades are fixedly connected to the stirring rod, and a driving part used for driving the stirring blades to rotate in the storage bin is arranged on the storage bin; two movable plates; by starting the motor, sand stored in the storage bin can be stirred and turned over, so that caked sand in the storage bin can be scattered, the sand in the device can be smoothly discharged, the probability that the device is blocked by the sand is greatly reduced, the elastic rod can be driven to hit the outer wall of the storage bin in a reciprocating mode, the storage bin vibrates, and the sand storage efficiency is improved. And the caked sand can be further vibrated to be scattered, the fluidity of the sand is improved, the anti-blocking performance of the device is further improved, and therefore the using effect and efficiency of the device can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transit, in particular to a sand spraying device for rail transit. Background Technique

[0002] Railway transportation realizes the operation of trains by means of the traction and braking adhesion friction generated by the interaction between wheels and rails. With the construction of high-speed railways, the traction load of electric locomotives has increased day by day. Improving the adhesion performance of locomotives has become a crucial issue. Among them, the sand spraying device, as a key part of the braking device of EMUs, mainly plays a role by increasing the contact area between the wheels and the track. When the EMU starts or brakes, the sand spraying device will play its role. The sand spraying device has a very significant improvement on the braking performance of EMUs and can greatly improve the braking performance of EMUs.

[0003] During the use of the current sand spraying device, due to the certain hydrophilicity of the surface of sand grains, the sand material stored in the device container is likely to absorb moisture in the environment, resulting in the sand material in the device being easily affected by moisture and caking. However, the caking of sand material is likely to cause blockage of the device, thereby affecting the use effect and efficiency of the device. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problem that the sand material in the existing sand spraying device is easily absorbed by moisture in the environment, resulting in the sand material in the device being affected by moisture and caking, which is likely to cause blockage of the device, thereby affecting the use effect and efficiency of the device, and to propose a sand spraying device for rail transit.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A sand spraying device for rail transit includes a storage bin, and further includes: a stirring rod rotatably connected to the storage bin, wherein a plurality of stirring blades are fixedly connected to the stirring rod, and a driving part for driving the stirring blades to rotate in the storage bin is arranged on the storage bin; two movable plates are respectively slidably installed on both sides of the outer wall of the storage bin, wherein a plurality of elastic rods are fixedly connected to the movable plates, and a reciprocating part for driving the elastic rods to reciprocally impact the storage bin is arranged on the storage bin; a feeding shell with a discharge port at one end is communicated with the bottom end of the storage bin, wherein a feeding part is arranged in the feeding shell.

[0007] In order to drive the stirring blades to break up the caked sand material, preferably, the driving part includes a motor fixedly installed on the storage bin, one end of the stirring rod is fixedly connected with a worm gear, and the output end of the motor is fixedly connected with a worm that meshes with the worm gear.

[0008] In order to guide the movable plate, preferably, support rods are fixedly connected to both sides of the storage bin, and the movable plate is horizontally slidably connected to the support rods.

[0009] In order to drive the elastic rod to reciprocally impact the storage bin, further, the reciprocating part includes: two straight rods respectively rotatably installed on both sides of the outer wall of the storage bin, wherein, first belt pulleys connected by a belt are fixedly connected to the surfaces of the straight rods and the stirring rod, and a cam is fixedly connected to the straight rod; a spring sleeved on the support rod, wherein, both ends of the spring are fixedly connected to the surface of the movable plate and the outer wall of the storage bin respectively. When the straight rod rotates, the cam intermittently slides on the surface of the movable plate.

[0010] In order to provide support for the straight rod, further, support plates are fixedly connected to both sides of the storage bin, and the straight rod is rotatably connected to the support plates.

[0011] In order to further stir and disperse the sand material, preferably, the material conveying part includes an auger rod rotatably connected to the material conveying shell, an auger blade is fixedly connected to the auger rod, and second belt pulleys connected by a belt are fixedly connected to both the auger rod and the stirring rod.

[0012] In order to limit the moving stroke of the movable plate, further, a limit block is fixedly connected to the end of the support rod, and the diameter of the limit block is greater than that of the support rod.

[0013] In order to facilitate the installation of the device on a traction device, preferably, mounting plates are fixedly connected to both sides of the storage bin, and mounting holes are penetratingly opened on the mounting plates.

[0014] In order to close and shield the top opening of the storage bin, preferably, a sealed cover is hinged to the top end of the storage bin, and a pull rod is fixedly connected to the sealed cover.

[0015] In order to protect the drive assembly, further, a protective shell is detachably connected to the storage bin, and the motor, the worm gear and the worm are all located inside the protective shell.

[0016] Compared with the prior art, the utility model provides a sand spreading device for rail transit, which has the following beneficial effects:

[0017] 1. For this sand spreading device for rail transit, by starting the motor and driving the stirring rod and the stirring blades to rotate, the sand material stored in the storage bin can be stirred and turned over, so that the caked sand material in the storage bin can be dispersed, and the sand material in the device can be smoothly discharged, greatly reducing the probability of the device being blocked by the sand material.

[0018] 2. The sand spreading device for rail transit can also drive the elastic rod to reciprocally impact the outer wall of the storage bin by rotating the stirring rod, causing the storage bin to vibrate, further vibrating and loosening the agglomerated sand material, improving the fluidity of the sand material, and thus enhancing the anti-blocking performance of the device, thereby improving the use effect and efficiency of the device.

[0019] 3. The sand spreading device for rail transit can also drive the auger rod and the auger blade to rotate by rotating the stirring rod, enabling the sand material entering the feeding shell to be continuously discharged and spread on the track. Moreover, the rotation of the auger blade can further stir and disperse the sand material to ensure the loose state of the sand material, so that the sand material can be spread more evenly on the track, further improving the use effect of the device.

[0020] The parts not involved in this device are the same as or can be implemented by using the prior art. The utility model solves the problem in the prior art that the sand material in the sand spreading device is easy to absorb moisture in the environment, resulting in the sand material in the device being affected by moisture and agglomerating, easily causing blockage of the device, and thus affecting the use effect and efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is an axonometric structure diagram of a sand spreading device for rail transit proposed by the utility model;

[0022] Figure 2 is a partial axonometric structure diagram of a sand spreading device for rail transit proposed by the utility model Figure 1 ;

[0023] Figure 3 is a partial cutaway axonometric structure diagram of a sand spreading device for rail transit proposed by the utility model;

[0024] Figure 4 is a partial axonometric structure diagram of a sand spreading device for rail transit proposed by the utility model Figure 2 ;

[0025] Figure 5 is a partial top view structure diagram of a sand spreading device for rail transit proposed by the utility model.

[0026] In the figure: 1. Storage bin; 2. Stirring rod; 3. Stirring blade; 4. Motor; 41. Worm gear; 42. Worm; 5. Movable plate; 51. Support rod; 52. Limit block; 6. Elastic rod; 7. Straight rod; 71. First belt pulley; 72. Cam; 73. Spring; 74. Support plate; 8. Feeding shell; 9. Auger rod; 91. Auger blade; 92. Second belt pulley; 10. Mounting plate; 11. Mounting hole; 12. Sealing cover; 13. Pull rod; 14. Protective shell. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0028] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. Embodiment

[0029] Referring to Figures 1 - 5 , an embodiment of the present invention provides a sand spraying device for rail transit, including a storage bin 1, and further including: a stirring rod 2 rotatably connected to the storage bin 1, wherein a plurality of stirring blades 3 are fixedly connected to the stirring rod 2, the number of the stirring blades 3 is 6 - 12, preferably 8 in this device, and they are staggered on the surface of the stirring rod 2, and a driving part for driving the stirring blades 3 to rotate in the storage bin 1 is arranged on the storage bin 1; two movable plates 5 are respectively slidably installed on both sides of the outer wall of the storage bin 1, wherein a plurality of elastic rods 6 are fixedly connected to the movable plates 5, the number of the elastic rods 6 is 8 - 20, preferably 12 in this device, and they are linearly arranged on the surface of the movable plates 5, the material of the elastic rods 6 is rubber, and a reciprocating part for driving the elastic rods 6 to reciprocally impact the storage bin 1 is arranged on the storage bin 1; a feeding shell 8 with a discharging port at one end is communicated with the bottom end of the storage bin 1, wherein a feeding part is arranged in the feeding shell 8.

[0030] Specifically, during use, through the setting of the driving part, the stirring rod 2 and the stirring blades 3 are driven to rotate, which can stir and turn the sand material stored in the storage bin 1, thereby being able to break up the caked sand material in the storage bin 1, enabling the sand material in the device to be discharged smoothly, greatly reducing the probability of the device being blocked by the sand material, and through the setting of the reciprocating part, it can drive the elastic rods 6 to reciprocally impact the outer wall of the storage bin 1, causing the storage bin 1 to vibrate, which can further break up the caked sand material and improve the fluidity of the sand material, thereby improving the anti-blocking performance of the device, and thus improving the use effect and efficiency of the device. Through the setting of the feeding part, the sand material entering the feeding shell 8 can be continuously discharged and scattered on the track, and the sand material can be further stirred and broken up to ensure the loose state of the sand material, so that the sand material can be scattered on the track more evenly.

[0031] The driving unit includes a motor 4 fixedly mounted on the storage bin 1 , one end of the stirring rod 2 is fixedly connected to a worm gear 41 , and an output end of the motor 4 is fixedly connected to a worm 42 meshing with the worm gear 41 .

[0032] Specifically, when in use, by starting the motor 4, the output end of the motor 4 drives the worm 42 and the worm wheel 41 to rotate, and drives the stirring rod 2 and the stirring blade 3 to rotate, so that the sand stored in the storage bin 1 can be stirred and turned over, thereby breaking up the agglomerated sand in the storage bin 1.

[0033] Support rods 51 are fixedly connected to both sides of the storage bin 1 , and the movable plate 5 is laterally slidably connected to the support rods 51 .

[0034] Specifically, by providing the support rods 51 , the movable plate 5 can be guided so that the movable plate 5 can only move laterally.

[0035] The reciprocating part includes: two straight rods 7, which are rotatably installed on both sides of the outer wall of the storage bin 1, wherein the surfaces of the straight rod 7 and the stirring rod 2 are fixedly connected with a first pulley 71 connected by a belt, and a cam 72 is fixedly connected to the straight rod 7; a spring 73, which is sleeved on the support rod 51, wherein the two ends of the spring 73 are fixedly connected to the surface of the movable plate 5 and the outer wall of the storage bin 1, respectively, and when the straight rod 7 rotates, the cam 72 intermittently slides the surface of the movable plate 5.

[0036] Specifically, during use, when the stirring rod 2 rotates, it also drives the first pulley 71 and the straight rod 7 to rotate, and drives the cam 72 to rotate. When the top angle of the cam 72 contacts the surface of the movable plate 5, under the action of the extrusion force, the movable plate 5 drives the elastic rod 6 away from the outer wall of the storage bin 1, and the spring 73 is stretched. When the top angle of the cam 72 is separated from the surface of the movable plate 5, the elastic force of the spring 73 quickly resets the movable plate 5 and drives the elastic rod 6 to hit the outer wall of the storage bin 1. Through the continuous rotation of the cam 72, the elastic rod 6 can be driven to reciprocate and hit the outer wall of the storage bin 1, causing the storage bin 1 to vibrate, which can further disperse the agglomerated sand material and improve the fluidity of the sand material, thereby improving the anti-blocking performance of the device.

[0037] Support plates 74 are fixedly connected to both sides of the storage bin 1 , and the straight rod 7 is rotatably connected to the support plates 74 .

[0038] Specifically, by providing the support plate 74 , support can be provided to the straight rod 7 to ensure the stability of the straight rod 7 when it rotates.

[0039] The feeding part includes an auger rod 9 rotatably connected to the feeding shell 8 , an auger blade 91 is fixedly connected to the auger rod 9 , and a second pulley 92 connected by a belt is fixedly connected to the auger rod 9 and the stirring rod 2 .

[0040] Specifically, when in use, when the stirring rod 2 rotates, it also drives the second pulley 92 to rotate, and drives the auger rod 9 and the auger blade 91 to rotate, so that the sand entering the feed shell 8 can be continuously discharged and scattered on the track. In addition, the sand can be further stirred and broken up by the rotation of the auger blade 91 to ensure the loose state of the sand, so that the sand can be more evenly scattered on the track.

[0041] The end of the support rod 51 is fixedly connected to the limiting block 52 , and the diameter of the limiting block 52 is larger than the diameter of the support rod 51 .

[0042] Specifically, by providing the limiting block 52 , the moving stroke of the movable plate 5 can be limited to prevent the movable plate 5 from being separated from the surface of the support rod 51 under the pressing force of the cam 72 .

[0043] Both sides of the storage bin 1 are fixedly connected with mounting plates 10 , and mounting holes 11 are formed through the mounting plates 10 .

[0044] Specifically, by providing the mounting plate 10 and the mounting holes 11 , it is convenient for the worker to fix the device on the traction equipment by means of bolts, so that the device can move along with the traction equipment.

[0045] A sealed cover 12 is hinged on the top of the storage bin 1 , and a pull rod 13 is fixedly connected to the sealed cover 12 .

[0046] Specifically, by providing the sealing cover 12 and the pull rod 13 , the top opening of the storage bin 1 can be sealed and shielded.

[0047] A protective shell 14 is detachably connected to the storage bin 1 , and the motor 4 , the worm gear 41 and the worm 42 are all located inside the protective shell 14 .

[0048] Specifically, by providing the protective shell 14 , driving components such as the motor 4 and the worm 42 can be shielded and protected.

[0049] During use, the sand spreading device for rail transit is started by starting the motor 4, and the output end of the motor 4 drives the worm 42 and the worm wheel 41 to rotate, and drives the stirring rod 2 and the stirring blade 3 to rotate, so that the sand stored in the storage bin 1 can be stirred and turned, so that the agglomerated sand in the storage bin 1 can be broken up, so that the sand in the device can be discharged smoothly, and the probability of the device being blocked by the sand can be greatly reduced;

[0050] Moreover, when the stirring rod 2 rotates, it also drives the first pulley 71 and the straight rod 7 to rotate, and drives the cam 72 to rotate. When the apex angle of the cam 72 contacts the surface of the movable plate 5, under the action of the extrusion force, the movable plate 5 drives the elastic rod 6 away from the outer wall of the storage bin 1, and at the same time the spring 73 is stretched. When the apex angle of the cam 72 disengages from the surface of the movable plate 5, the elastic force of the spring 73 causes the movable plate 5 to quickly reset, and drives the elastic rod 6 to impact on the outer wall of the storage bin 1. Through the continuous rotation of the cam 72, the elastic rod 6 can be driven to repeatedly impact the outer wall of the storage bin 1, causing the storage bin 1 to vibrate, further vibrating and dispersing the agglomerated sand material, improving the fluidity of the sand material, and thus improving the anti-blocking performance of the device, thereby improving the use effect and efficiency of the device;

[0051] At the same time, when the stirring rod 2 rotates, it also drives the second pulley 92 to rotate, and drives the auger rod 9 and the auger blade 91 to rotate, which can continuously discharge the sand material entering the feeding shell 8 and sprinkle it on the track. Moreover, the rotation of the auger blade 91 can further stir and disperse the sand material to ensure the loose state of the sand material, so that the sand material can be more evenly sprinkled on the track, further improving the use effect of the device.

[0052] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A sand spreading device for rail transit, comprising a storage bin (1), characterized in that: Also includes: The stirring rod (2) is rotatably connected to the storage bin (1). Wherein, a plurality of stirring blades (3) are fixedly connected to the stirring rod (2), and a driving unit for driving the stirring blades (3) to rotate in the storage bin (1) is provided on the storage bin (1); Two movable plates (5) are slidably mounted on two sides of the outer wall of the storage bin (1). Wherein, a plurality of elastic rods (6) are fixedly connected to the movable plate (5), and a reciprocating portion for driving the elastic rods (6) to reciprocate and impact the storage bin (1) is provided on the storage bin (1); A material conveying shell (8) having a material discharge port at one end and connected to the bottom end of the storage bin (1). Wherein, a material conveying portion is arranged in the material conveying shell (8).

2. A sand spreading device for rail transit according to claim 1, characterized in that: The driving unit comprises a motor (4) fixedly mounted on the storage bin (1); one end of the stirring rod (2) is fixedly connected to a worm gear (41); and an output end of the motor (4) is fixedly connected to a worm (42) meshing with the worm gear (41).

3. The sand spreading device for rail transit according to claim 1, characterized in that: Support rods (51) are fixedly connected to both sides of the storage bin (1), and the movable plate (5) is laterally slidably connected to the support rods (51).

4. A sand spreading device for rail transit according to claim 3, characterized in that: The reciprocating portion comprises: Two straight rods (7) are rotatably mounted on two sides of the outer wall of the storage bin (1). Wherein, the surfaces of the straight rod (7) and the stirring rod (2) are both fixedly connected with a first pulley (71) connected via a belt, and the straight rod (7) is fixedly connected with a cam (72); The spring (73) is sleeved on the support rod (51). The two ends of the spring (73) are respectively fixedly connected to the surface of the movable plate (5) and the outer wall of the storage bin (1); when the straight rod (7) rotates, the cam (72) intermittently slides on the surface of the movable plate (5).

5. The sand spreading device for rail transit according to claim 4, characterized in that: Support plates (74) are fixedly connected to both sides of the storage bin (1), and the straight rod (7) is rotatably connected to the support plates (74).

6. The sand spreading device for rail transit according to claim 1, characterized in that: The feeding section comprises an auger rod (9) rotatably connected to the feeding shell (8), an auger blade (91) being fixedly connected to the auger rod (9), and a second pulley (92) connected via a belt being fixedly connected to both the auger rod (9) and the stirring rod (2).

7. The sand spreading device for rail transit according to claim 3, characterized in that: The end of the support rod (51) is fixedly connected to a limiting block (52), and the diameter of the limiting block (52) is greater than the diameter of the support rod (51).

8. The sand spreading device for rail transportation according to claim 1, characterized in that: Both sides of the storage bin (1) are fixedly connected with mounting plates (10), and mounting holes (11) are formed through the mounting plates (10).

9. The sand spreading device for rail transportation according to claim 1, characterized in that: A sealed cover (12) is hingedly connected to the top of the storage bin (1), and a pull rod (13) is fixedly connected to the sealed cover (12).

10. The sand spreading device for rail transportation according to claim 2, characterized in that: The storage bin (1) is detachably connected to a protective shell (14), and the motor (4), the worm wheel (41) and the worm (42) are all located inside the protective shell (14).

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