CN203267919U - Tank truck and operation auxiliary device thereof - Google Patents
Tank truck and operation auxiliary device thereof Download PDFInfo
- Publication number
- CN203267919U CN203267919U CN 201320258092 CN201320258092U CN203267919U CN 203267919 U CN203267919 U CN 203267919U CN 201320258092 CN201320258092 CN 201320258092 CN 201320258092 U CN201320258092 U CN 201320258092U CN 203267919 U CN203267919 U CN 203267919U
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- cat ladder
- tank truck
- strut bar
- operation assisting
- assisting device
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Abstract
The utility model discloses an operation auxiliary device of a tank truck. The operation auxiliary device of the tank truck comprises a crawling ladder arranged on the tank truck. The crawling ladder comprises a first crawling ladder and a second crawling ladder, wherein the first crawling ladder is arranged on the side face of the tank body of the tank truck or the end face of the tail portion of the tank body of the tank truck, the second crawling ladder is rotatably arranged on the tank truck and the distance between the second crawling ladder and the ground is changed through the rotation of the second crawling ladder, and the second crawling ladder is arranged at the bottom end of the first crawling ladder. According to operation auxiliary device, the height of the second crawling ladder can be adjusted through rotation, and the second crawling ladder can be adjusted to be arranged at a position away from the ground properly according to different demands. When the operation auxiliary device of the tank truck is used, the second crawling ladder is adjusted to be arranged at a position near the ground, and when the operation auxiliary device of the tank truck is not used, the second crawling ladder is adjusted to be arranged at the position far away from the ground for avoiding trafficability characteristic of vehicles. Therefore, the operation auxiliary device of the tank truck reduces safety hazards during an operation process on the premise that normal throughput capacity of the whole vehicle is ensured. The utility model further provides the tank truck with the operation auxiliary device.
Description
Technical field
The utility model relates to engineering specialized equipment technical field, more particularly, relates to a kind of operation assisting device of tank truck, and the utility model also relates to a kind of tank truck with aforesaid operations auxiliary device.
Background technology
Tank truck refers to be equipped with tank container, is used for transporting or completing the special-use vehicle of operations specific.For tank vehicle, in order to guarantee safe walking, need to satisfying under the prerequisite of requirement for height that national standard is vehicle, it be designed to the tank body of lade most possibly, so tank truck is mostly higher.
The top of tank truck is provided with mechanism such as the feed arrangement that needs operation, therefore the top of vehicle all is provided with the upper mounting plate for personnel operation.Because the height of tank body is higher, the danger of falling when arriving upper mounting plate and reducing operation for the ease of personnel, all be provided with the operation assisting device of auxilian's operation on tank truck, this device comprises protective device such as the guard rail that is arranged on upper mounting plate and the cat ladder that is arranged on tank body afterbody or side.
In order to guarantee the normal crossing ability of car load, it is too low that above-mentioned cat ladder can not be installed.At present often cat ladder is installed liftoff certain height that has, cat ladder is higher, causes operating personal to be difficult for climbing, and then causes in the cat ladder use procedure and have potential safety hazard.
In addition, above-mentioned guardrail often is fixed on upper mounting plate by welding or other modes, and guardrail height can not change; For fear of superelevation, above-mentioned guardrail height is limited, but the guardrail of this limited height (approximately 20cm) is difficult to the danger of avoiding personnel to fall, has very large potential safety hazard.
In sum, how providing a kind of operation assisting device of tank truck, to realize reducing the potential safety hazard in operating process under the prerequisite of the normal crossing ability that guarantees car load, is the technical matters that present those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of operation assisting device of tank truck, realizes reducing the potential safety hazard in operating process under the prerequisite of the normal crossing ability that guarantees car load.
The utility model also provides a kind of tank truck with aforesaid operations auxiliary device.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of operation assisting device of tank truck comprises the cat ladder that is arranged on tank truck; Described cat ladder comprises:
Be arranged on the tank body side of described tank truck or the first cat ladder on tail end face;
Be arranged on rotationally on described tank truck, and change it apart from the second cat ladder of the distance on ground by rotation, described the second cat ladder is positioned at the bottom of described the first cat ladder.
Preferably, the aforesaid operations auxiliary device also comprises the guardrail mechanism on the upper mounting plate that is arranged on described tank truck, and described guardrail mechanism comprises:
Be arranged at least two strut bars on described upper mounting plate, the bottom of every described strut bar is all hinged with described upper mounting plate;
The railing that is connected between the top of described strut bar, all is hinged and connected with the top of described strut bar;
The actuating device that drives that described strut bar rotates and can spacing described strut bar.
Preferably, in the aforesaid operations auxiliary device, described actuating device is connecting rod, and the shaft of the top of described connecting rod and described railing or one of them described strut bar is hinged.
Preferably, in the aforesaid operations auxiliary device, described guardrail mechanism also comprises the handrail that is fixed near on the described strut bar of described the first cat ladder, and the midway location of the top of described connecting rod and described handrail is hinged and connected.
Preferably, in the aforesaid operations auxiliary device, the bottom of described connecting rod and described the second cat ladder are hinged, and when described the second cat ladder is positioned at lower position, described connecting rod orders about described strut bar and turns to vertex, when described the second cat ladder was positioned at the high position, described connecting rod ordered about described strut bar and turns to nadir.
Preferably, in the aforesaid operations auxiliary device, the bottom of described strut bar is arranged on described upper mounting plate by the rotary type hinge, and described rotary type hinge comprises:
Be arranged on described upper mounting plate, the U-shaped frame of opening upwards;
Pass the bearing pin of described U-shaped frame, described bearing pin is perpendicular to the side of described upper mounting plate, and the bottom of described strut bar is set on described bearing pin rotationally.
Preferably, in the aforesaid operations auxiliary device, the top of described the second cat ladder can be arranged on described tank truck by convertible hinge with spinning upside down, and described convertible hinge comprises:
Be arranged on described tank truck, opening is towards the U-shaped seat away from the direction of described tank body, described U-shaped seat is arranged on the bottom of described the first cat ladder;
Cross the rotating shaft of described U-shaped seat, the axis along continuous straight runs of described rotating shaft arranges, and the top of described the second cat ladder is set in described rotating shaft rotationally.
Preferably, the aforesaid operations auxiliary device also comprises the latching device that prevents that described the second cat ladder from rotating, and this latching device comprises:
Be arranged on the hook of first on the first cat ladder;
Be arranged on the hook of second on described the second cat ladder, described the second hook is identical apart from the distance of described rotating shaft with described the first hook apart from the distance of described rotating shaft;
Be used for fixing described first and link up with and the described second suspension member of linking up with, offer on described suspension member for described the first hook and described second and link up with the hanging hole that passes simultaneously.
Preferably, in the aforesaid operations auxiliary device, described latching device also comprises when described the second cat ladder puts down, and is used for the locking piece of fixing described the second cat ladder, and described locking piece is arranged on the below of described tank body bottom.
Can find out from above-mentioned technical scheme, the operation assisting device of the tank truck that the utility model provides comprises the cat ladder that is arranged on tank truck, this cat ladder comprises the first cat ladder and the second cat ladder that is positioned at the bottom of the first cat ladder, and the first cat ladder is arranged on the tank body side or tail end face of tank truck; The second cat ladder is arranged on rotationally on tank truck and changes it apart from the distance on ground by rotation.
The cat ladder of the operation assisting device that the utility model provides is used for the non-productive operation personnel and arrives upper mounting plate.When using above-mentioned cat ladder, the second cat ladder is put down, being about to the second cat ladder rotates towards the direction (downwards) that reduces apart from the distance on ground, until the second cat ladder is in the position nearest apart from ground, and then reduce cat ladder apart from the height on ground, convenient operation personnel climbing has reduced the potential safety hazard in the operating process; After complete operation, the second cat ladder is packed up, be about to the second cat ladder towards increasing apart from direction (making progress) rotation of the distance on ground, until the second cat ladder is in apart from ground position farthest, and then increase whole cat ladder apart from the height on ground, and be convenient to travelling of vehicle, guaranteed the crossing ability of car load.
In summary, the height of the second cat ladder can be regulated by rotation, the second cat ladder can be adjusted to overhead suitable position according to different demands, during use, the second cat ladder is adjusted to overhead and closely locates, for fear of the crossing ability that affects vehicle, it is adjusted to overhead distant location when not using; Therefore the operation assisting device that the utility model provides has reduced the potential safety hazard in the operating process under the prerequisite of the normal crossing ability that guarantees car load.
The utility model also provides a kind of tank truck, comprise tank body and the operation assisting device that is arranged on described tank body, described operation assisting device is above-mentioned any operation assisting device, because the aforesaid operations auxiliary device has above-mentioned effect, tank truck with aforesaid operations auxiliary device has same effect, therefore this paper repeats no more.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of operation assisting device under the use state of the tank truck that provides of the utility model embodiment;
Fig. 2 is the local amplification assumption diagram of A in Fig. 1;
Fig. 3 is the local amplification assumption diagram of B in Fig. 1;
Fig. 4 is the structural representation of operation assisting device under collapsed state of the tank truck that provides of the utility model embodiment.
The specific embodiment
The utility model embodiment provides a kind of operation assisting device of tank truck, under the prerequisite of the normal crossing ability that guarantees car load, has reduced the potential safety hazard in the operating process.
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to accompanying drawing 1-4, the operation assisting device of the tank truck that the utility model embodiment provides comprises the cat ladder that is arranged on tank truck; This cat ladder comprises: the first cat ladder 1 and the second cat ladder 2 that is positioned at the bottom of the first cat ladder 1, the first cat ladder 1 is arranged on tank body 02 side or tail end face of tank truck, and the second cat ladder 2 is arranged on rotationally on tank truck and changes it apart from the distance on ground by rotation.Need to prove, above-mentioned rotation can select the forms such as hinged or upset to realize for to be rotated around a certain center or rotating shaft.
The cat ladder of the operation assisting device that the present embodiment provides is used for the non-productive operation personnel and arrives upper mounting plate 01.When using above-mentioned cat ladder, the second cat ladder 2 is put down, being about to the second cat ladder 2 rotates towards the direction (downwards) that reduces apart from the distance on ground, until the second cat ladder 2 is in the position nearest apart from ground, this position is the position of the second cat ladder 2 in Fig. 1, and then reducing cat ladder apart from the height on ground, convenient operation personnel climbing has reduced the potential safety hazard in the operating process; After complete operation, the second cat ladder 2 is packed up, be about to the second cat ladder 2 towards increasing apart from direction (making progress) rotation of the distance on ground, until the second cat ladder 2 is in apart from ground position farthest, this position is the position of the second cat ladder 2 in Fig. 4, and then increase whole cat ladder apart from the height on ground, and be convenient to travelling of vehicle, guaranteed the crossing ability of car load.
In summary, the height of the second cat ladder 2 can be regulated by rotation, the second cat ladder 2 can be adjusted to overhead suitable position according to different demands, during use, the second cat ladder 2 is adjusted to overhead and closely locates, for fear of the crossing ability that affects vehicle, it is adjusted to overhead distant location when not using; Therefore the operation assisting device of the present embodiment has reduced the potential safety hazard in the operating process under the prerequisite of the normal crossing ability that guarantees car load.
Preferably, the operation assisting device that above-described embodiment provides also comprises the guardrail mechanism on the upper mounting plate 01 that is arranged on tank truck, and this guardrail mechanism comprises at least two strut bars 3 that are arranged on upper mounting plate 01, and the bottom of every strut bar 3 is all hinged with upper mounting plate 01; The railing 4 that is connected between the top of strut bar, all is hinged and connected with the top of strut bar 3 and drive that strut bar 3 rotates and actuating device that can limited support bar 3.Need to prove, above-mentioned strut bar 3 can drive its top in the process of rotating railing 4 moves up and down, and then has realized the adjusting to railing 4 height.
The effect of protection can be played to personnel by guardrail mechanism in the operation assisting device of the present embodiment.On the one hand, in the time of need to not operating on upper mounting plate 01, utilizing actuating device to drive strut bar 3 rotates towards the direction that railing 4 is moved down, namely reduce the height of railing 4, until the height of railing 4 satisfies national standard (height of car load is below constrain height), actuating device is quit work and then stops strut bar 3 is rotated, due to this moment railing 4 height lower, can guarantee the normal crossing ability in the process of Vehicle Driving Cycle, meet the height of national standard; On the other hand, when personnel operate on upper mounting plate 01, utilizing actuating device to order about strut bar 3 rotates towards the direction of rising railing 4 around its bottom, until railing 4 is raised to the position that can play protective action, the present embodiment preferably makes railing 4 rise to strut bar 3 perpendicular to the position of upper mounting plate 01, and this moment, railing 4 was in the highest position that can arrive, and the height of guardrail mechanism is higher, the danger that the personnel of greatly reducing fall has improved safe reliability.
As from the foregoing, the height of railing 4 can be regulated by rotating, so strut bar 3 can be set to protect length, makes the height of railing 4 reach the protection height when namely strut bar 3 rises; The height of railing 4 is not subjected to the restriction of gross vehicle height, has improved protection effect.
In order to simplify the structure of actuating device, above-mentioned actuating device device is further connecting rod 5, and the shaft of the top of connecting rod 5 and railing 4 or one of them strut bar 3 is hinged.By pulling up and down connecting rod 5, connecting rod 5 can directly drive or drive railing 4 by the rotation of ordering about strut bar 3 and move up and down, and then realizes the adjusting to railing 4 height.When railing 4 rises or puts down by artificially or other anchor fittings can realize avoiding it to rotate to the spacing of strut bar 3 with above-mentioned connecting rod 5 is fixing; Said structure is simple, is convenient to make, and cost is lower.
It will be understood by those skilled in the art that, this actuating device also can be other structures, as hydraulic gear, air pressure mechanism, motor mechanism or quadric linkage etc., same driving strut bar 3 rotates and the effect of limited support bar 3 to reach, and introduces no longer one by one at this.
For the handled easily personnel climb upper mounting plate 01, above-mentioned guardrail mechanism also comprises the handrail 6 that is fixed near on the strut bar 3 of the first cat ladder 1, and the midway location of the top of connecting rod 5 and handrail 6 is hinged and connected.Operating personal climbing can be climbed up upper mounting plate 01 by means of handrail 6 to the first cat ladder 1 top, handrail facilitates holding of personnel, improves safety.Certainly, under the prerequisite of superelevation not, handrail can also be arranged on top or other positions that need to protect of the first cat ladder 1, and the present embodiment is not done concrete restriction to this.
In the operation assisting device that above-described embodiment provides, the bottom of connecting rod 5 and the second cat ladder 2 are hinged, and when the second cat ladder 2 is positioned at lower position (this position is the proximal most position apart from ground that the second cat ladder 2 can turn to), connecting rod 5 orders about strut bar 3 and turns to vertex, the second cat ladder 2 be positioned at the high position (this position be the second cat ladder 2 can turn to do not affect the position that car passes through, the present embodiment preferably is elected to be this position the second cat ladder 2 apart from the highest distance position on ground) time, connecting rod 5 orders about strut bar 3 and turns to nadir.Above-mentioned connecting rod 5 is used for connecting the second cat ladder 2 and strut bar 3, and its shape and size need to satisfy the second cat ladder 2 when putting down, and the effect by connecting rod 5 is risen strut bar 3, and the used time strut bar 3 of doing by connecting rod 5 when the second cat ladder 2 lifts is fallen.
In the present embodiment, the left side of the top of connecting rod 5 and strut bar 3 is hinged, and the top of this connecting rod 5 tilts to the direction near strut bar 3, so, connecting rod 5 has been realized the interlock of the second cat ladder 2 and strut bar 3, when the second cat ladder 2 rotates, inconjunction with connecting rod 5 moves down, and then drives strut bar 3 and rotate counterclockwise, rising railing 4; When the second cat ladder 2 upwards rotates, inconjunction with connecting rod 5 moves up, and then drives strut bar 3 and clockwise rotate, and reduces railing 4.
As shown in Figure 1, when using the aforesaid operations auxiliary device, rotating the second cat ladder 2 puts down the second cat ladder 2 and is positioned at the lower position place, in the process that the second cat ladder 2 rotates, drivening rod 5 moves down together, when connecting rod 5 moves, strut bar 3 is risen, and then rising railing 4, at this moment, the height of the second cat ladder 2 is convenient to personnel's climbing, and the height of railing 4 can play protective action preferably, has further improved safety; As shown in Figure 4, after operation is completed, operation assisting device is packed up, rotate the second cat ladder 2 the second cat ladder 2 is risen to high position place, in the process that the second cat ladder 2 upwards rotates, drivening rod 5 moves on together, when connecting rod 5 moves, strut bar 3 is fallen, and then reduction railing 4, at this moment, the second cat ladder 2 height are far away apart from ground, railing 4 is low can not increase the car load height, can not affect the crossing ability of whole car.Simultaneously, the operation assisting device that the present embodiment provides only just can be controlled the rotation of guardrail mechanism simultaneously by the rotation of the second cat ladder 2 and the effect of connecting rod 5, and is simple and reasonable, is convenient to make.
Concrete, in the operation assisting device that above-described embodiment provides, the bottom of strut bar 3 is arranged on upper mounting plate 01 by rotary type hinge 7, and as shown in Figure 2, strut bar 3 has been realized by rotary type hinge 7 can rotating relative to upper mounting plate 01.This rotary type hinge 7 comprise be arranged on upper mounting plate 01, the U-shaped frame of opening upwards; Pass the bearing pin of U-shaped frame, bearing pin is perpendicular to the side of upper mounting plate 01, and the bottom of strut bar 3 is set on bearing pin rotationally.So, strut bar 3 can rotate around the axis of bearing pin.
Please refer to Fig. 3, the top of above-mentioned the second cat ladder 2 further is arranged on tank truck by convertible hinge 8, this convertible hinge 8 has been realized spinning upside down of the second cat ladder 2, specifically comprise be arranged on tank truck, opening is towards the U-shaped seat away from the direction of tank body 02, the U-shaped seat is arranged on the bottom of the first cat ladder 1; Cross the rotating shaft of U-shaped seat, the axis along continuous straight runs of rotating shaft arranges, and the top of the second cat ladder 2 is set in rotating shaft rotationally.The second cat ladder 2 can be realized spinning upside down of the second cat ladder 2 around the rotation of the axis of above-mentioned rotating shaft, and then has changed the height of the second cat ladder 2 apart from ground.When utilizing the second cat ladder 2 to climb, the second cat ladder 2 is overturn downwards around above-mentioned axis, reduce the height of the second cat ladder 2, be convenient to personnel's climbing; When vehicle operating, make the second cat ladder 2 around the upwards upset of above-mentioned axis, the height of second cat ladder 2 that raises has guaranteed the crossing ability of vehicle.
It will be appreciated by persons skilled in the art that above-mentioned rotary type hinge 7 and convertible hinge 8 also can be other structures, as the spherical pair structure, rotate to change the effect of height to reach same realization, introduce no longer one by one at this.
As shown in Figure 4, during vehicle operating, the second cat ladder 2 is turned to the first cat ladder 1 place, railing 4 is reduced to nadir, because railing 4 and strut bar 3 have gravity, strut bar 3 can maintain the lower position place, and the application force by connecting rod 5 makes the second cat ladder 2 be in the state of packing up.The vibration that produces during for fear of vehicle operating causes the second cat ladder 2 to overturn, the operation assisting device that the present embodiment provides also comprises the latching device (not shown) that prevents that the second cat ladder 2 from rotating, and this latching device comprises that being arranged on first on the first cat ladder 1 links up with; Be arranged on the hook of second on the second cat ladder 2, the second hook is identical apart from the distance of rotating shaft with the first hook apart from the distance of rotating shaft; Be used for fixing the first hook and the second suspension member of linking up with, offer the hanging hole that supplies the first hook and the second hook to pass simultaneously on suspension member.The second cat ladder 2 upset is got on when namely packing up, the first hook and the second hook are positioned at same position, again suspension member is hung over simultaneously on the first hook and the second hook, can realize the fixing of the first hook and the second hook, and then the second cat ladder 2 is fixed on the first cat ladder 1, avoid its stressed generation landing; Simultaneously because the second cat ladder 2 maintains static, connecting rod 5 can not be subjected to displacement, and connecting rod 5 can play position-limiting action to strut bar 3, stops strut bar 3 to rotate, and makes railing 4 be in all the time the lower position place, has further guaranteed the crossing ability of vehicle, has improved safety.
For prevent personnel when climbing cat ladder pendulous situation appears, latching device also comprises when the second cat ladder 2 puts down, for the locking piece (not shown) of fixing the second cat ladder 2, locking piece is arranged on the below of tank body 02 bottom.Above-mentioned locking piece can be realized the structure that detouchable connects for bolt or other.When using the aforesaid operations auxiliary device, the second cat ladder 2 is overturn, and by locking piece, the second cat ladder is fixed on the below of tank body 02, so, the second cat ladder 2, connecting rod 5 and guardrail mechanism all maintain static, avoid personnel's railing 4 when upper mounting plate 01 operation because external force is landed, to reduce the danger of falling.
The utility model also provides a kind of tank truck, comprises tank body 02 and the operation assisting device that is arranged on tank body 02, the operation assisting device that this operation assisting device provides for the utility model any one embodiment.
The operation assisting device that above-mentioned tank truck adopts the present embodiment to provide, realized under the prerequisite of the normal crossing ability that guarantees car load, reduce the potential safety hazard in operating process, its advantage is brought by operation assisting device, concrete please refer to part relevant in above-described embodiment, just repeat no more at this.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the operation assisting device of a tank truck, comprise the cat ladder that is arranged on tank truck; It is characterized in that, described cat ladder comprises:
Be arranged on tank body (02) side of described tank truck or the first cat ladder (1) on tail end face;
Be arranged on rotationally on described tank truck, and change it apart from second cat ladder (2) of the distance on ground by rotation, described the second cat ladder (2) is positioned at the bottom of described the first cat ladder (1).
2. operation assisting device according to claim 1, is characterized in that, also comprises the guardrail mechanism on the upper mounting plate (01) that is arranged on described tank truck, and described guardrail mechanism comprises:
Be arranged at least two strut bars (3) on described upper mounting plate (01), the bottom of every described strut bar (3) is all hinged with described upper mounting plate (01);
The railing (4) that is connected between the top of described strut bar, all is hinged and connected with the top of described strut bar (3);
The actuating device that drives that described strut bar (3) rotates and can spacing described strut bar (3).
3. operation assisting device according to claim 2, is characterized in that, described actuating device is connecting rod (5), and the shaft of the top of described connecting rod (5) and described railing (4) or one of them described strut bar (3) is hinged.
4. operation assisting device according to claim 3, it is characterized in that, described guardrail mechanism also comprises the handrail (6) that is fixed near on the described strut bar (3) of described the first cat ladder (1), and the midway location of the top of described connecting rod (5) and described handrail (6) is hinged and connected.
5. operation assisting device according to claim 4, it is characterized in that, the bottom of described connecting rod (5) and described the second cat ladder (2) are hinged, and described the second cat ladder (2) is when being positioned at lower position, described connecting rod (5) orders about described strut bar (3) and turns to vertex, described the second cat ladder (2) is when being positioned at the high position, and described connecting rod (5) orders about described strut bar (3) and turns to nadir.
6. operation assisting device according to claim 2, is characterized in that, the bottom of described strut bar (3) is arranged on described upper mounting plate (01) by rotary type hinge (7), and described rotary type hinge (7) comprising:
Be arranged on that described upper mounting plate (01) is upper, the U-shaped frame of opening upwards;
Pass the bearing pin of described U-shaped frame, described bearing pin is perpendicular to the side of described upper mounting plate (01), and the bottom of described strut bar (3) is set on described bearing pin rotationally.
7. according to claim 1-6 described operation assisting devices of any one, is characterized in that, the top of described the second cat ladder (2) can be arranged on described tank truck by convertible hinge (8) with spinning upside down, and described convertible hinge (8) comprising:
Be arranged on described tank truck, opening is towards the U-shaped seat away from the direction of described tank body (02), described U-shaped seat is arranged on the bottom of described the first cat ladder (1);
Cross the rotating shaft of described U-shaped seat, the axis along continuous straight runs of described rotating shaft arranges, and the top of described the second cat ladder (2) is set in described rotating shaft rotationally.
8. operation assisting device according to claim 7, is characterized in that, also comprises the latching device that prevents that described the second cat ladder (2) from rotating, and this latching device comprises:
Be arranged on the hook of first on the first cat ladder (1);
Be arranged on the hook of second on described the second cat ladder (2), described the second hook is identical apart from the distance of described rotating shaft with described the first hook apart from the distance of described rotating shaft;
Be used for fixing described first and link up with and the described second suspension member of linking up with, offer on described suspension member for described the first hook and described second and link up with the hanging hole that passes simultaneously.
9. operation assisting device according to claim 8, it is characterized in that, described latching device also comprises when described the second cat ladder (2) when putting down, and is used for the locking piece of fixing described the second cat ladder (2), and described locking piece is arranged on the below of described tank body (02) bottom.
10. tank truck comprises tank body (02) and is arranged on operation assisting device on described tank body (02) that it is characterized in that, described operation assisting device is as the described operation assisting device of claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320258092 CN203267919U (en) | 2013-05-13 | 2013-05-13 | Tank truck and operation auxiliary device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320258092 CN203267919U (en) | 2013-05-13 | 2013-05-13 | Tank truck and operation auxiliary device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203267919U true CN203267919U (en) | 2013-11-06 |
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ID=49498386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320258092 Expired - Fee Related CN203267919U (en) | 2013-05-13 | 2013-05-13 | Tank truck and operation auxiliary device thereof |
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| Country | Link |
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| CN (1) | CN203267919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253201A (en) * | 2013-05-13 | 2013-08-21 | 华菱星马汽车（集团）股份有限公司 | Tank truck and operating auxiliary device thereof |
-
2013
- 2013-05-13 CN CN 201320258092 patent/CN203267919U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253201A (en) * | 2013-05-13 | 2013-08-21 | 华菱星马汽车（集团）股份有限公司 | Tank truck and operating auxiliary device thereof |
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