Special rainproof cloth covering device for transporting hazardous chemical substances of calcium carbide vehicle

Abstract

The utility model relates to the technical field of calcium carbide car hazardous chemical substance transportation, in particular to a special rainproof cloth covering device for calcium carbide car hazardous chemical substance transportation, which comprises two rows of stand columns arranged at intervals. A driven chain wheel is rotationally arranged at the top in the guide groove, a driving chain wheel is rotationally arranged at the bottom in the guide groove, and the driving chain wheel and the driven chain wheel are in transmission connection through a chain; the driving chain wheels are in transmission connection with a driving mechanism, waterproof cloth brackets are fixedly arranged on the chains and are in rolling connection with the outer walls of the stand columns and / or the inner walls of the guide grooves through roller positioning mechanisms, and the waterproof cloth brackets on the stand columns in the same row are fixedly connected through waterproof cloth connecting rods. The automatic rainproof cloth covering equipment has the beneficial effects that the efficiency is greatly improved, the operation time is greatly shortened, and the injury risk of operators is also greatly reduced by adopting the automatic rainproof cloth covering equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to calcium carbide car dangerous article transportation technical field especially relates to a special raincoat covering device for calcium carbide car dangerous article transportation. BACKGROUND

[0002] As an important chemical raw material, calcium carbide is widely used in industrial production. During the transportation of calcium carbide, it will react violently with water, producing a large amount of heat and flammable acetylene gas. Therefore, effective rainproof measures need to be taken for calcium carbide transport vehicles. At present, the main way to protect calcium carbide from water contact or moisture is to cover raincoat manually.

[0003] The traditional manual raincoat covering method is inefficient, requiring a lot of time and manpower. The operator needs to unfold four layers of tarpaulin, including wear-resistant, rainproof and protective net, one by one, and use a bridge crane to lift and cover the calcium carbide car. The whole process is complicated and time-consuming, and requires the cooperation of three people. This not only reduces the transportation efficiency, but also increases the transportation cost. Manual operation requires a lot of physical labor, such as carrying raincoat and climbing vehicles. Long hours of high-intensity labor can easily cause operator fatigue, reducing work efficiency and increasing the risk of injury to operators. In bad weather, such as strong winds and heavy rains, manual raincoat covering becomes more difficult and dangerous. Operators need to work in an unstable environment, which can easily lead to accidents such as slipping and falling. In addition, manual raincoat covering cannot guarantee the tightness and stability of the raincoat covering. It often appears loose and has loopholes, which may allow rainwater to seep in and affect the rainproof effect. Especially during long-term transportation, the raincoat may gradually loosen due to vehicle vibration and wind, further reducing the rainproof effect. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a special raincoat covering device for calcium carbide car dangerous article transportation, which can realize automatic raincoat covering, improve covering efficiency and reduce labor intensity.

[0005] The technical solution to solve the above technical problem is as follows: a special raincoat covering device for calcium carbide car dangerous article transportation, comprising two rows of spaced apart vertical columns, the side of the vertical column facing the other row of vertical columns is provided with a guide groove arranged in the vertical direction, a driven sprocket is rotatably arranged at the top of the guide groove, a driving sprocket is rotatably arranged at the bottom of the guide groove, and the driving sprocket and the driven sprocket are connected by a chain transmission; the driving sprocket is connected with a driving mechanism, a raincoat bracket is fixedly arranged on the chain, the raincoat bracket is rotatably connected with the outer wall of the vertical column and / or the inner wall of the guide groove through a roller positioning mechanism, and the raincoat brackets on the vertical columns of the same row are fixedly connected through a raincoat connecting rod.

[0006] The utility model discloses the beneficial effect is: adopt automatic raincoat covering equipment, greatly improved efficiency. Through mechanical device automatic raincoat promotes and covers on the calcium carbide car accurately, whole process is fast and accurate, greatly shorten the operation time, improve the transportation efficiency, reduce the transportation cost, do not need manual labor, avoid the high -intensity operation such as carrying raincoat and climbing vehicle, also greatly reduce the risk of injury of operator, even in bad weather, can safely complete raincoat covering work.

[0007] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0008] Further, the guide groove is a T-shaped groove, one end of a connecting seat fixedly connected to the side of the slot opening of the guide groove, a mounting seat is slidably arranged in the guide groove, the other end of the connecting seat extends into the guide groove and is fixedly connected to the side of the mounting seat, and the connecting seat and the mounting seat are fixedly connected to form a T-shaped structure.

[0009] The beneficial effect of the above further scheme is that the T-shaped groove can limit the T-shaped structure to prevent large shaking during lifting.

[0010] Further, the roller positioning mechanism includes a first roller assembly and a second roller assembly, the number of the first roller assemblies is two, the two first roller assemblies are arranged on the upper part of the side of the mounting seat facing the raincoat bracket, and the two first roller assemblies respectively roll against the inner walls of the two sides of the slot opening of the guide groove; the number of the second roller assemblies is two, the two second roller assemblies are arranged on the lower part of the side of the mounting seat away from the raincoat bracket, the two second roller assemblies are arranged in the horizontal direction, and the two second roller assemblies are in rolling contact with the groove bottom of the guide groove.

[0011] The beneficial effect of the above further scheme is that the arrangement of the first roller assembly and the second roller assembly can form a rolling connection between the raincoat bracket and the stand column, reducing the friction between the raincoat bracket and the stand column during lifting; at the same time, the raincoat bracket generates a downward tilting force in the direction of the other stand column under the gravity of the raincoat connecting rod and the raincoat, and the arrangement of the positions of the first roller assembly and the second roller assembly can offset the corresponding force to avoid the tilting of the raincoat bracket.

[0012] Further, the roller positioning mechanism comprises a third roller assembly and a fourth roller assembly, the third roller assembly is two in number, and the two third roller assemblies are arranged at the upper part of the side of the mounting seat facing the awning bracket and roll against the inner walls on both sides of the slot of the guide slot respectively; the fourth roller assembly is two in number, and the two fourth roller assemblies are arranged at the lower part of the side of the awning bracket facing the guide slot, and the two fourth roller assemblies roll against the outer walls on both sides of the slot of the guide slot respectively.

[0013] The beneficial effect of the above further scheme is that the arrangement of the third roller assembly and the fourth roller assembly can form a rolling connection between the awning bracket and the stand column, reducing the friction between the awning bracket and the stand column during lifting; at the same time, the awning bracket generates a downward tilting force in the direction of the other stand column under the action of the awning connecting rod and the gravity of the awning, and the arrangement of the positions of the third roller assembly and the fourth roller assembly can offset the corresponding force to avoid the tilting of the awning bracket.

[0014] Further, the driving mechanism comprises a servo motor and a speed reducer, the output shaft of the servo motor is in transmission connection with the output shaft of the speed reducer, the output shaft of the speed reducer is in transmission connection with the driving sprocket, and a brake pad is fixedly sleeved on the output shaft of the speed reducer, and a power hydraulic brake for braking the brake pad is arranged beside the speed reducer.

[0015] The beneficial effect of the above further scheme is that the power hydraulic brake can realize the function of deceleration and stop during operation.

[0016] Further, the top of the guide slot is provided with a top electromagnetic induction limit switch, the bottom of the guide slot is provided with a bottom electromagnetic induction limit switch, the top electromagnetic induction limit switch and the bottom electromagnetic induction limit switch are electrically connected with the controller, and the controller is electrically connected with the driving mechanism.

[0017] The beneficial effect of the above further scheme is that the arrangement of the top electromagnetic induction limit switch and the bottom electromagnetic induction limit switch can control the moving stroke of the awning bracket, ensuring the safety of the operation of the device.

[0018] Further, the periphery of the two rows of stand columns is provided with a light curtain grating for detecting whether a person enters, and the light curtain grating is electrically connected with an alarm system.

[0019] The beneficial effect of the above further scheme is that the light curtain grating and the alarm system are used, when the device is operated, a person entering the operation area alarms, and the device can be automatically stopped by the controller, ensuring the safety of the operating personnel.

[0020] Further, the rain cloth connecting rod is provided with a plurality of clamps for clamping the rain cloth.

[0021] The further scheme has the beneficial effect that the clamps facilitate clamping of the rain cloth.

[0022] Further, the number of the driving mechanisms is the same as that of the driving sprockets, and the driving mechanisms are in one-to-one transmission connection with the driving sprockets.

[0023] The further scheme has the beneficial effect that the driving mechanisms control the driving sprockets in one-to-one correspondence, ensuring sufficient power.

[0024] Further, the number of the driving mechanisms is two, and the driving sprockets on the same row of the stand posts are coaxially fixedly connected through a rotating shaft, and the driving mechanisms are in one-to-one transmission connection with the rotating shafts.

[0025] The further scheme has the beneficial effect that the structure is simple, the setting of the driving mechanisms is reduced, and the overall cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the utility model;

[0027] Figure 2 It is an installation schematic view of the roller positioning mechanism in the first embodiment of the utility model;

[0028] Figure 3 It is a stand post internal structure plan view in the first embodiment of the utility model;

[0029] Figure 4 It is an installation schematic view of the roller positioning mechanism in the second embodiment of the utility model;

[0030] Figure 5 It is a stand post internal structure plan view in the second embodiment of the utility model;

[0031] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0032] 1, stand post; 2, guide groove; 3, driving sprocket; 4, chain; 5, rain cloth bracket; 6, rain cloth connecting rod; 7, connecting seat; 8, mounting seat; 9, first roller assembly; 10, second roller assembly; 11, third roller assembly; 12, fourth roller assembly; 13, servo motor; 14, speed reducer; 15, brake pad; 16, electric hydraulic brake; 17, top electromagnetic induction limit switch; 18, bottom electromagnetic induction limit switch; 19, rotating shaft; 20, cross beam; 21, longitudinal beam. DETAILED DESCRIPTION

[0033] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0034] Example 1

[0035] like Figure 1 As shown, this embodiment includes two rows of spaced-apart columns 1. The tops of the columns 1 in the same row are fixedly connected by a crossbeam 20, and the two rows of columns 1 are fixedly connected by a longitudinal beam 21. The crossbeam 20 and the longitudinal beam 21 are arranged perpendicularly. The two rows of columns 1 are arranged opposite each other, and each column 1 has a base fixed to its bottom. The base is fixedly connected to the column 1, and a reinforcing rib is provided between the base and the column 1. The base is used to fix the column to the bottom surface of the installation site, which can be done by bolts or by cement pouring.

[0036] The column 1 has a guide groove 2 arranged vertically on its side facing another row of columns 1. A driven sprocket is rotatably mounted at the top of the guide groove 2, and a driving sprocket 3 is rotatably mounted at the bottom of the guide groove 2. Both the driving sprocket 3 and the driven sprocket are rotatably connected to the column 1 through a mounting shaft. The driving sprocket 3 and the driven sprocket are connected by a chain 4. The driving sprocket 3 is connected to a drive mechanism. A rain cloth bracket 5 is fixed on the chain 4. The chain 4 is rotated by the drive mechanism, thereby driving the rain cloth bracket 5 to move up and down in the vertical direction. The rain cloth bracket 5 is rolled to the outer wall of the column 1 and / or the inner wall of the guide groove 2 through a roller positioning mechanism. The rain cloth brackets 5 on the columns 1 in the same row are fixedly connected by a rain cloth connecting rod 6.

[0037] The tarpaulin connecting rod 6 is equipped with multiple clamps for holding the tarpaulin. The clamps are designed to facilitate the holding of the tarpaulin. Specifically, the clamps can be electrically controlled or manually controlled. During use, the tarpaulin is held by the clamps, and after the tarpaulin is placed on the calcium carbide carbide vehicle, the clamps are released from the tarpaulin by electric or manual control.

[0038] In this embodiment, the guide groove 2 is a T-shaped groove. One end of the connecting seat 7 is fixedly connected to the side of the rain cover bracket 5 facing the opening of the guide groove 2. A mounting seat 8 is slidably provided in the guide groove 2. The other end of the connecting seat 7 extends into the guide groove 2 and is fixedly connected to the side of the mounting seat 8. The connecting seat 7 and the mounting seat 8 are fixedly connected to form a T-shaped structure. The T-shaped groove can limit the T-shaped structure and prevent large shaking during lifting. Specifically, both the connecting seat 7 and the mounting seat 8 are vertically arranged plate-like structures. One end of the connecting seat 7 is fixedly connected to the middle of one side of the mounting seat 8. This can be achieved by welding, integral fixing, or fixing through a connecting mechanism, such as a triangular iron.

[0039] like Figure 2 , Figure 3 As shown, in this embodiment, the roller positioning mechanism includes a first roller assembly 9 and a second roller assembly 10. There are two first roller assemblies 9, spaced apart on the upper part of the side of the mounting base 8 facing the tarpaulin bracket 5, and the two first roller assemblies 9 respectively roll against the inner walls of both sides of the guide groove 2. There are also two second roller assemblies 10, located on the lower part of the side of the mounting base 8 away from the tarpaulin bracket 5, and the two second roller assemblies 10... The two second roller assemblies 10 are spaced apart in the horizontal direction and roll against the bottom of the guide groove 2. The arrangement of the first roller assembly 9 and the second roller assembly 10 enables the rain cloth bracket 5 to form a rolling connection with the column 1, reducing the friction between the rain cloth bracket 5 and the column 1 during the lifting process. At the same time, the rain cloth bracket 5 generates a downward tilting force towards the other row of columns 1 under the action of the rain cloth connecting rod 6 and the gravity of the rain cloth. The position of the first roller assembly 9 and the second roller assembly 10 can counteract the corresponding force and prevent the rain cloth bracket 5 from tilting.

[0040] In this embodiment, both the first roller assembly 9 and the second roller assembly 10 include a roller seat and a roller. One end face of the roller seat is provided with a roller groove. The roller is rotatably disposed in the roller groove, and the axis of the roller is horizontally set. The outer peripheral surface of the roller extends out of the roller groove to facilitate rolling connection with the outer or inner wall of the column 1.

[0041] Preferably, the top of the guide groove 2 is provided with a top electromagnetic induction limit switch 17, and the bottom of the guide groove 2 is provided with a bottom electromagnetic induction limit switch 18, both of which are electrically connected with the controller, and the controller is electrically connected with the driving mechanism. The setting of the top electromagnetic induction limit switch 17 and the bottom electromagnetic induction limit switch 18 can control the moving stroke of the rain cloth bracket 5, and ensure the safety of the device during operation.

[0042] The periphery of the two rows of columns 1 is provided with a light curtain grating for detecting whether a person enters, and the light curtain grating is electrically connected with an alarm system. When the device is in operation, the light curtain grating and the alarm system are used to alarm when a person enters the operation area, and the device can be automatically stopped by the controller to protect the safety of the operator.

[0043] In this embodiment, the driving mechanism includes a servo motor 13 and a speed reducer 14, the output shaft of the servo motor 13 is drivingly connected with the output shaft of the speed reducer 14, the output shaft of the speed reducer 14 is drivingly connected with the driving sprocket 3, and a brake pad 15 is fixedly sleeved on the output shaft of the speed reducer 14. An electric hydraulic brake 16 is arranged beside the speed reducer 14 for braking the brake pad 15. By arranging the electric hydraulic brake 16, the deceleration and stopping function during operation can be realized.

[0044] In this embodiment, the number of driving mechanisms is two, and the driving sprockets 3 on the same row of columns 1 are coaxially fixedly connected through a rotating shaft 19, and the driving mechanisms are drivingly connected with the rotating shaft 19 one by one. The structure is simple, the number of driving mechanisms is reduced, and the overall cost is reduced. The output shaft of the speed reducer 14 and the rotating shaft 19 can be drivingly connected through a gear or a shaft coupling.

[0045] Embodiment two

[0046] As shown in Figure 1 This embodiment includes two rows of spaced columns 1, the top of the same row of columns 1 is fixedly connected through a cross beam 20, and the two rows of columns 1 are fixedly connected through a longitudinal beam 21, and the cross beam 20 and the longitudinal beam 21 are arranged vertically. Two columns 1 are arranged opposite to each other, and the bottom end of the column 1 is fixedly connected with a base, and the base is fixedly connected with the column 1, and a reinforcing rib is further arranged between the base and the column 1. The base is used to be fixedly connected with the bottom surface of the installation site, which can be fixed by bolts or cement pouring.

[0047] The column 1 is provided with a guide groove 2 arranged in the vertical direction on the side surface of the other row of columns 1, a driven sprocket is rotatably arranged at the top of the guide groove 2, and a driving sprocket 3 is rotatably arranged at the bottom of the guide groove 2. The driving sprocket 3 and the driven sprocket are both rotatably connected with the column 1 through a mounting shaft, and the driving sprocket 3 and the driven sprocket are drivingly connected through a chain 4. The driving sprocket 3 is drivingly connected with a driving mechanism, and a rain cloth bracket 5 is fixedly arranged on the chain 4. The chain 4 is driven to rotate by the driving mechanism, so as to drive the rain cloth bracket 5 to move up and down in the vertical direction. The rain cloth bracket 5 is rollingly connected with the outer wall of the column 1 and / or the inner wall of the guide groove 2 through a roller positioning mechanism, and the rain cloth bracket 5 on the same row of columns 1 is fixedly connected through a rain cloth connecting rod 6.

[0048] The rain cloth connecting rod 6 is provided with a plurality of clamps for clamping rain cloth. The clamps are arranged to facilitate clamping of the rain cloth. Specifically, the clamps can be electrically controlled clamps or manually controlled clamps. In use, the rain cloth is clamped by the clamps, and then the rain cloth is covered on the calcium carbide car. The electrically controlled or manually controlled clamps are released from clamping the rain cloth.

[0049] In the embodiment, the guide groove 2 is a T-shaped groove, one end of a connecting seat 7 is fixedly connected with the side surface of the slot of the guide groove 2, and a mounting seat 8 is slidingly arranged in the guide groove 2. The other end of the connecting seat 7 extends into the guide groove 2 and is fixedly connected with the side surface of the mounting seat 8. The connecting seat 7 and the mounting seat 8 are fixedly connected to form a T-shaped structure. The T-shaped groove can limit the T-shaped structure to prevent large shaking during lifting. Specifically, the connecting seat 7 and the mounting seat 8 are both vertically arranged plate-shaped structures. One end of the connecting seat 7 is fixedly connected with the middle part of one side of the mounting seat 8. Specifically, the connecting seat 7 and the mounting seat 8 can be fixed by welding, integrated fixing, or fixed by a connecting mechanism such as a triangular iron.

[0050] As Figure 4 , Figure 5As shown, in the embodiment, the roller positioning mechanism comprises third roller assemblies 11 and fourth roller assemblies 12. The third roller assemblies 11 are two in number and are arranged at the upper part of the side of the mounting seat 8 facing the awning bracket 5, and each of the third roller assemblies 11 rolls against the inner wall of the slot of the guide slot 2. The fourth roller assemblies 12 are two in number and are arranged at the lower part of the side of the awning bracket 5 facing the guide slot 2, and each of the fourth roller assemblies 12 rolls against the outer wall of the slot of the guide slot 2. The arrangement of the third roller assemblies 11 and the fourth roller assemblies 12 enables the awning bracket 5 to be connected to the upright column 1 in a rolling manner, thereby reducing the friction between the awning bracket 5 and the upright column 1 during the lifting process. Meanwhile, the awning bracket 5 is subjected to a downward tilting force in the direction of the other row of upright columns 1 under the action of the awning connecting rod 6 and the gravity of the awning, and the arrangement of the third roller assemblies 11 and the fourth roller assemblies 12 can counteract the corresponding force, thereby avoiding the tilting of the awning bracket 5.

[0051] In the embodiment, the third roller assemblies 11 and the fourth roller assemblies 12 each comprise a roller seat and a roller. One end surface of the roller seat is provided with a roller groove, and the roller is arranged to rotate in the roller groove. The axis of the roller is arranged horizontally, and the outer circumferential surface of the roller extends out of the roller groove, so as to be connected to the outer wall or the inner wall of the upright column 1 in a rolling manner.

[0052] Preferably, the top of the guide slot 2 is provided with a top electromagnetic induction limit switch 17, and the bottom of the guide slot 2 is provided with a bottom electromagnetic induction limit switch 18. The top electromagnetic induction limit switch 17 and the bottom electromagnetic induction limit switch 18 are electrically connected to a controller, and the controller is electrically connected to the driving mechanism. The arrangement of the top electromagnetic induction limit switch 17 and the bottom electromagnetic induction limit switch 18 can control the movement stroke of the awning bracket 5, thereby ensuring the safety of the device during operation.

[0053] The periphery of the two rows of upright columns 1 is provided with a light curtain grating for detecting whether a person enters. The light curtain grating is electrically connected to an alarm system. When the device is in operation, the light curtain grating and the alarm system can alarm when a person enters the operation area, and the device can be automatically stopped by the controller, thereby ensuring the safety of the operator.

[0054] In the embodiment, the driving mechanism comprises a servo motor 13 and a speed reducer 14, the output shaft of the servo motor 13 is in transmission connection with the output shaft of the speed reducer 14, the output shaft of the speed reducer 14 is in transmission connection with the driving sprocket 3, a brake pad 15 is fixedly sleeved on the output shaft of the speed reducer 14, and a power hydraulic brake 16 for braking the brake pad 15 is arranged beside the speed reducer 14, so that the deceleration stopping function in the operation process can be realized.

[0055] In the embodiment, the number of the driving mechanism is two, the driving sprocket 3 on the same column 1 is coaxially fixedly connected through a rotating shaft 19, and the driving mechanism is in one-to-one transmission connection with the rotating shaft 19, so that the structure is simple, the setting of the driving mechanism is reduced, and the overall cost is reduced.

[0056] In addition to the above embodiment, in other embodiments in the art, the number of the driving mechanism is the same as the number of the driving sprocket 3, the driving mechanism is in one-to-one transmission connection with the driving sprocket 3, the driving mechanism is in one-to-one correspondence with the driving sprocket 3, and sufficient power is ensured.

[0057] The utility model discloses have the following beneficial effects: greatly improve the efficiency, through mechanical device automatic with rainproof cloth promote and cover in calcium carbide car, whole process is fast and accurate, from the rise to cover to the roof only 1.5 minutes, greatly shorten the operation time, improve the transportation efficiency, reduce the transportation cost, do not need manual labour, avoid the high -intensity operation such as carrying rainproof cloth and climbing vehicle, and the operator only needs to carry out simple operation in the control box, and the work efficiency can be improved, simultaneously, also greatly reduce the risk of injury of operator, even under the bad weather, can safely complete rainproof cloth covering work.

[0058] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential direction" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the system or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0059] In the description of the utility model, the meaning of "a plurality of" is at least two, for example, two, three and the like, unless otherwise specifically limited.

[0060] In the utility model, unless another definite provision and limitation, the term " install " " link " " connect " " fixed " and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation.For the ordinary skill in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific circumstances.

[0061] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, 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. Furthermore, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0062] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A special rainproof cloth covering device for calcium carbide vehicle hazardous chemical transportation, characterized in that, The utility model provides a kind of rain cloth support frame, including two rows of spaced apart columns (1), the side of the column (1) towards another row of the column (1) is equipped with guiding groove (2) along vertical direction, the top rotation of the guiding groove (2) is equipped with driven sprocket, the bottom rotation of the guiding groove (2) is equipped with driving sprocket (3), the driving sprocket (3) and the driven sprocket are driven connection by chain (4), the driving sprocket (3) is driven connection with driving mechanism, rain cloth support frame (5) is fixedly arranged on the chain (4), rain cloth support frame (5) is rolling connection between the outer wall of the column (1) and / or the inner wall of the guiding groove (2) by gyro wheel positioning mechanism, rain cloth support frame (5) on the column (1) of the same row is fixedly connected by rain cloth connecting rod (6).

2. A special rainproof cloth covering device for calcium carbide vehicle hazardous chemical transportation according to claim 1, characterized in that, The guiding groove (2) is T-shaped groove, the side of the rain cloth support frame (5) towards the slot of the guiding groove (2) is fixedly connected with one end of connecting seat (7), the mounting seat (8) is slidably arranged in the guiding groove (2), the other end of the connecting seat (7) is inserted into the guiding groove (2) and fixedly connected with the side of the mounting seat (8), the connecting seat (7) and the mounting seat (8) are fixedly connected to form T-shaped structure.

3. A rain cover device for calcium carbide vehicle hazardous material transportation according to claim 2, characterized in that, The gyro wheel positioning mechanism includes first gyro wheel assembly (9) and second gyro wheel assembly (10), the number of the first gyro wheel assembly (9) is two, two first gyro wheel assemblies (9) are spaced apart on the upper side of the mounting seat (8) towards the rain cloth support frame (5), two first gyro wheel assemblies (9) are respectively rolling abutted on the inner wall of the slot of the guiding groove (2) on both sides, the number of the second gyro wheel assembly (10) is two, two second gyro wheel assemblies (10) are arranged on the lower side of the mounting seat (8) away from the rain cloth support frame (5), two second gyro wheel assemblies (10) are spaced apart in horizontal direction, and two second gyro wheel assemblies (10) are respectively rolling abutted on the bottom of the guiding groove (2).

4. A rain cover device for calcium carbide vehicle transportation according to claim 2, characterized in that, The gyro wheel positioning mechanism includes third gyro wheel assembly (11) and fourth gyro wheel assembly (12), the number of the third gyro wheel assembly (11) is two, two third gyro wheel assemblies (11) are spaced apart on the upper side of the mounting seat (8) towards the rain cloth support frame (5), and two third gyro wheel assemblies (11) are respectively rolling abutted on the inner wall of the slot of the guiding groove (2) on both sides, the number of the fourth gyro wheel assembly (12) is two, two fourth gyro wheel assemblies (12) are respectively arranged on the lower side of the rain cloth support frame (5) towards the guiding groove (2), and two fourth gyro wheel assemblies (12) are respectively rolling abutted on the outer wall of the slot of the guiding groove (2) on both sides.

5. A rain cover device for calcium carbide vehicle transportation according to claim 1, characterized in that, The driving mechanism comprises a servo motor (13) and a speed reducer (14), the output shaft of the servo motor (13) is in driving connection with the output shaft of the speed reducer (14), the output shaft of the speed reducer (14) is in driving connection with the driving sprocket (3), a brake pad (15) is fixedly sleeved on the output shaft of the speed reducer (14), and a power hydraulic brake (16) for braking the brake pad (15) is arranged beside the speed reducer (14).

6. A rain cover device for calcium carbide vehicle transportation according to claim 1, characterized in that, The top of the guide groove (2) is provided with a top electromagnetic induction limit switch (17), the bottom of the guide groove (2) is provided with a bottom electromagnetic induction limit switch (18), the top electromagnetic induction limit switch (17) and the bottom electromagnetic induction limit switch (18) are electrically connected with a controller, and the controller is electrically connected with the driving mechanism.

7. A rain cover device for calcium carbide vehicle hazardous material transportation according to any one of claims 1 to 6, characterized in that, The periphery of the two rows of stand columns (1) is provided with a light curtain grating for detecting whether a person enters, and the light curtain grating is electrically connected with an alarm system.

8. A rain cover device for calcium carbide vehicle transportation according to any one of claims 1 to 6, characterized in that, A plurality of clamps for clamping the rain cloth are arranged on the rain cloth connecting rod (6).

9. A rain cover device for calcium carbide vehicle transportation according to any one of claims 1 to 6, characterized in that, The number of the driving mechanisms is the same as that of the driving sprockets (3), and the driving mechanisms are in one-to-one driving connection with the driving sprockets (3).

10. A rain cover device for calcium carbide vehicle transportation according to any one of claims 1 to 6, characterized in that, The number of the driving mechanisms is two, the driving sprockets (3) on the stand columns (1) in the same row are coaxially fixedly connected through a rotating shaft (19), and the driving mechanisms are in one-to-one driving connection with the rotating shaft (19).

Images