CN203363131U - Pawl unlocking mechanism, steam airtight positive pressure tank washing device and tank truck - Google Patents
Pawl unlocking mechanism, steam airtight positive pressure tank washing device and tank truck Download PDFInfo
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- CN203363131U CN203363131U CN 201320410212 CN201320410212U CN203363131U CN 203363131 U CN203363131 U CN 203363131U CN 201320410212 CN201320410212 CN 201320410212 CN 201320410212 U CN201320410212 U CN 201320410212U CN 203363131 U CN203363131 U CN 203363131U
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Abstract
The utility model discloses a pawl unlocking mechanism, a steam airtight positive pressure tank washing device and a tank truck, and relates to the technical field of tank washing. The technical problems that in the prior art, assembly and disassembly are inconveniently achieved, and the safety performance is poor are solved. The pawl unlocking mechanism comprises a rotary body, an installation cover, a transmission mechanism and pawls, wherein the pawls are hinged to the installation cover through connecting shafts, the rotary body can rotate relative to the installation cover, the transmission mechanism is connected between the rotary body and the pawls, and the rotary body can drive the pawls through the transmission mechanism to rotate around the connecting shafts to the positions below the installation cover in the rotating process relative to the installation cover. The steam airtight positive pressure tank washing device comprises the pawl unlocking mechanism. The tank truck comprises a tank and the steam airtight positive pressure tank washing device. According to the pawl unlocking mechanism, the pressing cover installation difficulty is reduced, and the airtight performance and the safety performance in the washing process of pressing covers are improved.
Description
Technical field
The utility model relates to groove tank cleaning tank tank cleaning technique field, the groove tank car that is specifically related to a kind of ratchet unlocking mechanism, the steam airtight positive pressure tank cleaning device of this ratchet unlocking mechanism is set and this steam airtight positive pressure tank cleaning device is set.
Background technique
In railway freight or highway freight, the groove tank car of transportation use (or claims: tank car) often need to carry out groove tank cleaning process.
In prior art, the cleaning tank tank is continued to use the uncovered steaming of steam always and is washed technology, it is extremely low that the technology steam utilization is washed in uncovered steaming, the tank mouth opens wide, in steaming the car process, most of steam is volatilized away by the tank mouth at once after short circle in tank, and the steam utilization rate is low, and the waste of steam amount is large, and in tank partial portion also to be difficult to boiling clean, have following shortcoming:
1, steam utilization is low, and the waste of steam amount is more, and car-cleaning cost is higher;
2, in the groove tank, temperature generally can only reach 80～90 ℃ of left and right, causes interior some position of tank to be difficult to boiling clean;
3, cooking time is long, and carwash efficiency is low, and workman's operation intensity is larger;
4, (oil product, chemical product etc., with steam, from the tank mouth, evaporate into atmosphere, atmospheric pollution is serious, and it is poor that environment is made at scene, and operator safety is affected for residual article in the groove tank.
5,, during the washing trough tank, the steam noise is large
For this reason, employing malleation washing trough tank arrangement has been proposed, malleation washing trough tank technology, guaranteeing that groove tank internal pressure meets the condition of safety equipment requirement, takes full advantage of steam in the groove tank as far as possible, improve the steam thermal energy utilization rate, reduce pollution of atmosphere, and can reclaim certain material (oil product, chemical product etc.), malleation washing trough tank arrangement has solved traditional uncovered steam carwash technical disadvantages effectively, more traditionally washes uncovered steam carwash technology following advantage is arranged:
1, improve temperature in tank, improve the carwash operating efficiency, reduce labor intensity;
2, improve the steam utilization rate, the steam saving use amount, reduce car-cleaning cost;
3, airtight cleaning, reduce discharge of steam amount and atmospheric pollution, reduces the worker health potential safety hazard;
4, the residual material of accumulator tank tank, create certain economic benefit.
5, airtight washing, noise while largely having reduced the washing trough tank.
The steam closed positive pressure cleaning device provided in prior art comprises hoisting mechanism, waste pipe, steam inlet pipe and friction top, wherein:
Both all run through friction top waste pipe and steam inlet pipe, and its one of them port that runs through friction top is embedded in the groove tank of groove tank car.Steam inlet pipe is in the medium input slot tanks such as steam that carwash is used, and waste pipe is for outside the raffinate removal slot tank that the cleaning tank tank is produced, and hoisting mechanism for lifting by crane, install friction top on the tank mouth edge of groove tank.
The model utility content
The purpose of this utility model is the steam airtight positive pressure tank cleaning device that proposes a kind of ratchet unlocking mechanism, this ratchet unlocking mechanism is set, for improving the ease-to-operate of positive-pressure closing carwash, Security.The ratchet unlocking mechanism that the utility model provides adopts the lever drive principle, Simple fast airtight cover and groove tank mouth are carried out is locking and closed fast, guarantees that in tank, malleation meets the carwash requirement, but the complete rapid-releasing that repairs, airtight cover is separated with the tank mouth, reach the lifting condition.
For achieving the above object, the utility model provides following technological scheme:
The ratchet unlocking mechanism that the utility model embodiment provides, comprise solid of rotation, mounting cover, driving mechanism and ratchet, wherein:
Described ratchet is hinged by coupling shaft and described mounting cover;
Described driving mechanism is connected between described solid of rotation and described ratchet, and described rotation physical efficiency is rotated with respect to described mounting cover; And described solid of rotation turns to the below of described mounting cover with respect in described mounting cover rotation process, driving described ratchet by described driving mechanism around described coupling shaft.
At one preferably or alternatively in embodiment, described driving mechanism comprises head rod, the second connecting rod, the guide cylinder be fixedly connected with described mounting cover and is arranged on the groove on described solid of rotation, wherein:
The bearing of trend of the length direction of described groove and the rotation axis of described solid of rotation is perpendicular, and the length direction of described groove departs from the bearing of trend of the rotation axis of described solid of rotation;
A wherein end of described head rod is provided with slider, and described slider is embedded in described groove and can slides by the length direction along described groove in described groove;
Described the second connecting rod runs through described guide cylinder, and the wherein the other end of described head rod is connected with a wherein end of described the second connecting rod, and the wherein the other end of described the second connecting rod is connected with described ratchet.
At one, preferably or alternatively in embodiment, the middle part of described ratchet is connected with described mounting cover by described coupling shaft;
A wherein end of described ratchet is connected with described the second connecting rod, and the wherein the other end of described ratchet is hook-shaped and can turns to around described coupling shaft the below of described mounting cover.
At one, preferably or alternatively in embodiment, a wherein end and the described slider of described head rod are hinged, and described slider is embedded in described groove.
At one preferably or alternatively in embodiment, all in the form of a ring or plate-like, and the number of described ratchet is four for described solid of rotation and described mounting cover, and each described ratchet is hinged by different described coupling shafts and the edge of described mounting cover respectively.
At one, preferably or alternatively in embodiment, four described ratchets are evenly distributed on the edge of described mounting cover.
At one, preferably or alternatively in embodiment, described ratchet unlocking mechanism also comprises power mechanism, and described power mechanism can drive described solid of rotation and rotate with respect to described mounting cover.
The steam airtight positive pressure tank cleaning device that the utility model embodiment provides, comprise the ratchet unlocking mechanism that the arbitrary technological scheme of hoisting mechanism, waste pipe, steam inlet pipe, friction top and the utility model provides, wherein:
Described friction top comprises friction top, lower friction top and friction top linkage structure, and described upper friction top is connected by described friction top linkage structure between the two with lower friction top;
Both all run through described upper friction top, described lower friction top described waste pipe and described steam inlet pipe;
Described hoisting mechanism comprises and hangs the extension bar body, and the described extension bar body that hangs is fixedly connected with described friction top;
The mounting cover that described upper friction top is described ratchet unlocking mechanism, and described ratchet can turn to around described coupling shaft the below of the described lower friction top that is positioned at described upper friction top below.
At one, preferably or alternatively in embodiment, the rotation axis of described solid of rotation runs through the described extension bar body that hangs.
At one, preferably or alternatively in embodiment, described friction top linkage structure comprises protection column and elastic telescopic pipe, wherein:
A wherein end of described protection column is fixedly connected with described upper friction top, the wherein the other end of described protection column runs through described lower friction top, and the described protection column part that part between the two and described protection column extend described lower friction top between described upper friction top and the described lower friction top setscrew nut that all has been threaded;
Between described upper friction top and described lower friction top between the two, and the two ends on described elastic telescopic pipe axial direction are connected with described upper friction top and described lower friction top respectively described elastic telescopic pipe.
The groove tank car that the utility model embodiment provides, comprise the steam airtight positive pressure tank cleaning device that the arbitrary technological scheme of groove tank and the utility model provides, wherein:
The described lower friction top of described steam airtight positive pressure tank cleaning device is pressed on the top at the tank mouth edge of described groove tank;
Be embedded with Sealing between the top at the tank mouth edge of described lower friction top and described groove tank, and described ratchet can turn to the position be connected with the bottom at the tank mouth edge of the described groove tank of described lower friction top below around described coupling shaft.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
In the ratchet unlocking mechanism that the utility model embodiment provides, can drive ratchet by driving mechanism in the solid of rotation rotation process and turn to the below of mounting cover around coupling shaft, when this ratchet unlocking mechanism is applied on the groove tank car, ratchet can turn to the position be connected with the bottom at the tank mouth edge of the groove tank of lower friction top below around coupling shaft, simultaneously, because ratchet and upper friction top are hinged, ratchet is held tightly when the bottom at the tank mouth edge of groove tank, upper friction top and the lower compression cover strip be connected by friction top linkage structure (be preferably comprise protection column and elastic telescopic pipe) with upper friction top can be moved and compress mutually to the top at the tank mouth edge with the groove tank and reliable airtight position, thereby be no matter to drive the bottom that ratchet closes up to hold tightly the tank mouth edge of groove tank to realize holding tightly friction top, locked, still driving ratchet opens to unclamp thereby the holding tightly of bottom at the tank mouth edge of groove tank is realized to unclamping friction top, break away from and all only need the rotation solid of rotation to get final product, thereby make the installation of friction top, dismantle all more convenient, owing to installing friction top, the seal at the tank mouth edge of friction top and groove tank is better, so the Security of carwash operation is also better, so solved prior art, exist mounting or dismounting inconvenient, the technical problem that Security is poor.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the drawings:
On the groove tank that Fig. 1 is the ratchet unlocking mechanism that the utility model embodiment is set provides, ratchet is when locking state, the schematic diagram of the partial structurtes of this groove tank;
The schematic top plan view that Fig. 2 is structure shown in Fig. 1;
On the groove tank car that Fig. 3 is the ratchet unlocking mechanism that the utility model embodiment is set provides, ratchet is when open configuration, the schematic diagram of the partial structurtes of this groove tank car;
The schematic top plan view that Fig. 4 is structure shown in Fig. 3;
Reference character: 1, hoisting mechanism; 2, waste pipe; 3, steam inlet pipe; 4, waste pipe Sealing; 5, ratchet unlocking mechanism; 6, guide cylinder; 7, protection column; 8, upper friction top; 9, elastic telescopic pipe; 90, flexible rod; 91, head rod; 92, the second connecting rod; 10, lower friction top; 11, Sealing; 12, ratchet; 13, solid of rotation; 130, groove; 14, driving mechanism; 15, coupling shaft; 16, hang the extension bar body; 17, groove tank.
Embodiment
Below can understand the distinctive points between content of the present utility model and the utility model and prior art with reference to accompanying drawing Fig. 1～Fig. 4 and word content.Hereinafter, by accompanying drawing and the mode of enumerating optional embodiments more of the present utility model, the technical solution of the utility model (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristics in the present embodiment, any technological scheme is all the technical characteristics of plurality of optional or one or more in optional technological scheme, can't exhaustive all alternative technical characteristicss of the present utility model and alternative technological scheme in order to describe succinct need in presents, the mode of execution that also is not easy to each technical characteristics all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characteristics and any technological scheme in the present embodiment all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
The utility model embodiment provides a kind of steam airtight positive pressure tank cleaning device of being convenient to dismounting, Security ratchet unlocking mechanism relatively good, more environmental protection, this ratchet unlocking mechanism being set.
Technological scheme the utility model provided below in conjunction with Fig. 1～Fig. 4 is carried out more detailed elaboration, and arbitrary technological means that the utility model is provided is replaced or two or more technological means that the utility model is provided are combined mutually and the technological scheme that obtains all should be within protection domain of the present utility model.
As shown in Figure 1 to 4, the unlocking mechanism of ratchet as shown in Figure 35 that the utility model embodiment provides, comprise solid of rotation 13, mounting cover (being preferably friction top 8), driving mechanism 14 and ratchet 12 as shown in Figure 4, wherein:
Driving mechanism 14 is connected between solid of rotation 13 and ratchet 12, and solid of rotation 13 turns to the below of mounting cover with respect in the mounting cover rotation process, driving ratchet 12 by driving mechanism 14 around coupling shaft 15.
In the ratchet unlocking mechanism 5 provided due to the utility model, can drive ratchet 12 by driving mechanism 14 in solid of rotation 13 rotation processes and turn to the below of mounting cover (being preferably upper friction top 8) around coupling shaft 15, when this ratchet unlocking mechanism 5 is applied on the groove tank, ratchet 12 can turn to the position be connected with the bottom at the tank mouth edge of the groove tank 17 of lower friction top 10 belows around coupling shaft 15, simultaneously, because ratchet 12 and upper friction top 8 are hinged, ratchet 12 is held tightly when the bottom at the tank mouth edge of groove tank 17, upper friction top 8 and the lower friction top be connected by friction top linkage structure (friction top linkage structure be preferably comprise protection column 7 and elastic telescopic pipe 9) with upper friction top 8 10 can be driven extremely to top with the tank mouth edge of groove tank 17 compresses mutually and reliable airtight position, thereby be no matter to drive the bottom that ratchet 12 closes up to hold tightly the tank mouth edge of groove tank 17 to realize holding tightly friction top, locked, still driving ratchet 12 opens to unclamp thereby the holding tightly of bottom at the tank mouth edge of groove tank 17 is realized to unclamping friction top, break away from and all only need rotation solid of rotation 13 to get final product, thereby make the installation of friction top, dismantle all more convenient, owing to installing friction top 8, the seal at the tank mouth edge of friction top and groove tank 17 is better, so the Security of carwash operation is also better.
As preferably a kind of or mode of execution alternatively, driving mechanism 14 comprises head rod 91, the second connecting rod 92, the guide cylinder 6 be fixedly connected with mounting cover (being preferably upper friction top 8) and is arranged on groove 130 or the through hole on solid of rotation 13, wherein:
The bearing of trend of the rotation axis of the length direction of groove 130 or through hole and solid of rotation 13 is perpendicular, and the length direction of groove 130 or through hole departs from the bearing of trend of the rotation axis of solid of rotation 13.
A wherein end of head rod 91 is provided with slider, and slider is embedded in groove 130 and can slides at the interior length direction along described groove 130 of groove 130.
The second connecting rod 92 runs through guide cylinder 6, and a wherein end of the wherein the other end of head rod 91 and the second connecting rod 92 is hinged, and the wherein the other end of the second connecting rod 92 is connected with ratchet 12.
Head rod 91 and the second connecting rod 92 have formed flexible rod 90 jointly.Guide cylinder 6 can firm the second connecting rod 92 the direction of extending movement, thereby play leading role.Because the length direction of groove 130 or through hole is the bearing of trend that departs from the rotation axis of solid of rotation, so in solid of rotation 13 rotation processes, the inwall of groove 130 or through hole can promote slider and moves, and drive ratchets 12 and rotate by slider, head rod 91, the second connecting rod 92.
As preferably a kind of or mode of execution alternatively, the middle part of ratchet 12 is hinged by coupling shaft 15 and mounting cover (being preferably upper friction top 8).A wherein end of ratchet 12 is connected with the second connecting rod 92, and the wherein the other end of ratchet 12 is hook-shaped and can turns to around coupling shaft 15 below of mounting cover.
Said structure has the attended operation of being convenient to, and ratchet 12 engages, holds tightly more firm advantage with the bottom at groove tank 17 tank mouth edges.
As preferably a kind of or mode of execution alternatively, a wherein end and the slider of head rod 91 are hinged, and slider is embedded in groove 130 or through hole.This structure contributes to reduce the frictional force that slider bears.
As preferably a kind of or mode of execution alternatively, solid of rotation 13 and mounting cover (being preferably friction top 8) are all in the form of a ring or plate-like, be preferably and be plate-like, and the number of ratchet 12 can be four, each ratchet 12 is hinged by different coupling shaft 15 and the edge of mounting cover respectively.It is more firm that a plurality of ratchets 12 can engage the bottom at groove tank 17 tank mouth edges, hold tightly.Certainly, the technological scheme that the number of ratchet 12 is other numbers (such as three or five etc.) is also within protection domain of the present utility model.
As preferably a kind of or mode of execution alternatively, four ratchets 12 are evenly distributed on the edge of mounting cover (being preferably friction top 8).Equally distributed ratchet 12 can guarantee that the bottom at friction top 8 and groove tank 17 tank mouth edges is stressed more even everywhere.
As preferably a kind of or mode of execution alternatively, ratchet unlocking mechanism 5 also comprises power mechanism, and power mechanism energy driven rotary body 13 rotates with respect to mounting cover.Power mechanism can water, electricity, gas, the wet goods power plant.Certainly, also can adopt manpower (for example manual mode) driven rotary body 13 to rotate.
As shown in Figure 1 to 4, the steam airtight positive pressure tank cleaning device that the utility model embodiment provides, comprise the ratchet unlocking mechanism 5 that hoisting mechanism 1, waste pipe 2, steam inlet pipe 3, friction top and the arbitrary technological scheme of the utility model provide, wherein:
Friction top comprises friction top 8, lower friction top 10 and friction top linkage structure, and upper friction top 8 is connected by the friction top linkage structure between the two with lower friction top 10.
Both all run through friction top 8, lower friction top 10 waste pipe 2 and steam inlet pipe 3.
Upper friction top 8 is preferably the mounting cover of ratchet unlocking mechanism 5, and ratchet 12 can turn to around coupling shaft 15 below of the lower friction top 10 that is positioned at upper friction top 8 belows.
Hoisting mechanism 1 comprises and hangs extension bar body 16, hangs extension bar body 16 and is fixedly connected with friction top.The rotation axis of solid of rotation 13 is preferably to run through and hangs extension bar body 16.
Upper friction top 8, lower friction top 10 can play good leading role to waste pipe 2, steam inlet pipe 3.Hoisting mechanism 1 is for lifting whole steam airtight positive pressure tank cleaning device and anyly having a mechanical part moved up and down.
Certainly, the steam airtight positive pressure tank cleaning device that the utility model provides is not got rid of the fluid with washing function used outside steam and is substituted the mode of execution that steam is cleaned.
As preferably a kind of or mode of execution alternatively, the friction top linkage structure is preferably and comprises protection column 7 and elastic telescopic pipe 9, wherein:
Between upper friction top 8 and lower friction top 10 between the two, and the two ends on elastic telescopic pipe 9 axial directions are connected with upper friction top 8 and lower friction top 10 respectively elastic telescopic pipe 9.
Elastic telescopic pipe 9 can utilize its amount of elasticity, thereby avoid friction top, in compaction process, the tank mouth is produced to huge active force, damages tank car, and simultaneously, the Flexible change of elastic telescopic pipe 9, be conducive to ratchet 12 tank mouth edge is held tightly.
A wherein end of protection column 7 is fixedly connected with upper friction top 8; the wherein the other end of protection column 7 runs through lower friction top 10, and protection column 7 part that part between the two and protection column 7 extend lower friction top 10 between upper friction top 8 and lower friction top 10 setscrew nut that all has been threaded.
Protection column 7 can avoid elastic telescopic pipe 9 excessively compressed and elongate.Certainly, setscrew nut can be also other limit components be fixedly connected with protection column 7.
As shown in Figure 1 to 4, the groove tank car that the utility model embodiment provides, comprise the steam airtight positive pressure tank cleaning device that the arbitrary technological scheme of groove tank 17 and the utility model provides, wherein:
The lower friction top 10 of steam airtight positive pressure tank cleaning device is pressed on the top at the tank mouth edge of groove tank 17.
Be embedded with Sealing 11 between the top at the tank mouth edge of lower friction top 10 and groove tank 17, and ratchet 12 can turn to the position be connected with the bottom at the tank mouth edge of the groove tank 17 of lower friction top 10 belows around coupling shaft 15.
The steam airtight positive pressure tank cleaning device that the arbitrary technological scheme of the suitable application the utility model of groove tank car provides is when improving positive Pressure-washing apparatus operation, and seal, the Security at friction top and groove tank 17 tank mouth edges, reduce the installation difficulty of friction top.
The utility model also comprises the safe controls such as temperature, pressure, temperature detection element means (TI is positioned at circle) with circle and tee I, pressure detecting element means (PI is positioned at circle) with circle and alphabetical PI, Fig. 1～Fig. 4 has also illustrated: waste pipe Sealing 4, Sealing 11, wherein: waste pipe Sealing 4 and waste pipe 2 all can be up and down, can be sealed waste pipe 2 by waste pipe Sealing 4, prevent gas leakage, leak.
Below concentrate the working procedure of explanation the utility model optimal technical scheme:
This steam airtight positive pressure tank cleaning device, under ratchet unlocking mechanism 5 is controlled, is realized opening and locking action of ratchet 12, thereby realizes that Sealing 11 compresses or hang tank mouth working state.After Sealing 11 reaches impaction state, steam (certainly, other fluids with washing function also can substitute steam) by steam inlet pipe 3 to delivering vapor in tank, under certain safety pressure effect, steam by input carries out the boiling cleaning to tank, malleation in the waste water utilization tank cleaned, get rid of outside tank by waste pipe 2 automatically, reaches steam airtight positive pressure cleaning of evaporator process.
The compaction process of this steam airtight positive pressure tank cleaning device is as follows:
During the carwash operation, hoisting mechanism 1 presses to the tank mouth by Sealing 11, ratchet unlocking mechanism 5 outwards opens the flexible rod 90 of head rod 91 and the second connecting rod 92 compositions under external force, promoting ratchet 12 inwardly shrinks, drive upper friction top 8 and upper friction top 8 is compressed downwards by a plurality of ratchets 12, thereby make Sealing 11 compress the tank mouth, reach sealing locking and carry out the carwash serviceability, when carwash complete, ratchet unlocking mechanism 5 inwardly retracts the flexible rod 90 of head rod 91 and the second connecting rod 92 compositions under external force, pull ratchet 12 outwards to open, reach and unblank to hang state.
Above-mentioned arbitrary technological scheme disclosed in the utility model unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the apparent in view or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, can't be exhaustive, so the utility model just discloses part numerical value to illustrate the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of the utility model being created to protection domain.
If used the words such as " first ", " second " to limit component herein, those skilled in the art should know: the use of " first ", " second " is only to go up for convenience of description component are distinguished as do not had outside Stated otherwise, and above-mentioned word does not have special implication.
Simultaneously, if above-mentioned the utility model discloses or has related to component or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can be fixedly connected with (for example using bolt or screw to connect) with dismantling, also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously can't adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technological scheme of above-mentioned the utility model applied for the term that means position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that the utility model provides can be both to be assembled by a plurality of independent constituent elements, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characteristics is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technological scheme scope that the utility model asks for protection.
Claims (10)
1. a ratchet unlocking mechanism, is characterized in that, comprises solid of rotation, mounting cover, driving mechanism and ratchet, wherein:
Described ratchet is hinged by coupling shaft and described mounting cover;
Described driving mechanism is connected between described solid of rotation and described ratchet, described rotation physical efficiency is rotated with respect to described mounting cover, and described solid of rotation turns to the below of described mounting cover with respect in described mounting cover rotation process, driving described ratchet by described driving mechanism around described coupling shaft.
2. ratchet unlocking mechanism according to claim 1, is characterized in that, described driving mechanism comprises head rod, the second connecting rod, the guide cylinder be fixedly connected with described mounting cover and be arranged on the groove on described solid of rotation, wherein:
The bearing of trend of the length direction of described groove and the rotation axis of described solid of rotation is perpendicular, and the length direction of described groove departs from the bearing of trend of the rotation axis of described solid of rotation;
A wherein end of described head rod is provided with slider, and described slider is embedded in described groove and can slides by the length direction along described groove in described groove;
Described the second connecting rod runs through described guide cylinder, and a wherein end of the wherein the other end of described head rod and described the second connecting rod is hinged, and the wherein the other end of described the second connecting rod is connected with described ratchet.
3. ratchet unlocking mechanism according to claim 2, is characterized in that, the middle part of described ratchet is hinged by described coupling shaft and described mounting cover;
A wherein end of described ratchet is connected with described the second connecting rod, and the wherein the other end of described ratchet is hook-shaped and can turns to around described coupling shaft the below of described mounting cover.
4. ratchet unlocking mechanism according to claim 3, is characterized in that, a wherein end and the described slider of described head rod are hinged, and described slider is embedded in described groove.
5. according to the arbitrary described ratchet unlocking mechanism of claim 1-4, it is characterized in that, all in the form of a ring or plate-like, and the number of described ratchet is four for described solid of rotation and described mounting cover, and each described ratchet is hinged by different described coupling shafts and the edge of described mounting cover respectively.
6. ratchet unlocking mechanism according to claim 5, is characterized in that, four described ratchets are evenly distributed on the edge of described mounting cover.
7. according to the arbitrary described ratchet unlocking mechanism of claim 1-4, it is characterized in that, described ratchet unlocking mechanism also comprises power mechanism, and described power mechanism can drive described solid of rotation and rotate with respect to described mounting cover.
8. a steam airtight positive pressure tank cleaning device, is characterized in that, comprises the arbitrary described ratchet unlocking mechanism of hoisting mechanism, waste pipe, steam inlet pipe, friction top and claim 1-7, wherein:
Described friction top comprises friction top, lower friction top and friction top linkage structure, and described upper friction top is connected by described friction top linkage structure between the two with described lower friction top;
Both all run through described upper friction top, described lower friction top described waste pipe and described steam inlet pipe;
Described hoisting mechanism comprises and hangs the extension bar body, and the described extension bar body that hangs is fixedly connected with described friction top;
The mounting cover that described upper friction top is described ratchet unlocking mechanism, and described ratchet can turn to around described coupling shaft the below of the described lower friction top that is positioned at described upper friction top below.
9. steam airtight positive pressure tank cleaning device according to claim 8, is characterized in that, described friction top linkage structure comprises protection column and elastic telescopic pipe, wherein:
A wherein end of described protection column is fixedly connected with described upper friction top, the wherein the other end of described protection column runs through described lower friction top, and the described protection column part that part between the two and described protection column extend described lower friction top between described upper friction top and the described lower friction top setscrew nut that all has been threaded;
Between described upper friction top and described lower friction top between the two, and the two ends on described elastic telescopic pipe axial direction are connected with described upper friction top and described lower friction top respectively described elastic telescopic pipe.
10. a groove tank car, is characterized in that, comprises groove tank and the described steam airtight positive pressure of claim 8 or 9 tank cleaning device, wherein:
The described lower friction top of described steam airtight positive pressure tank cleaning device is pressed on the top at the tank mouth edge of described groove tank;
Be embedded with Sealing between the top at the tank mouth edge of described lower friction top and described groove tank, and described ratchet can turn to the position be connected with the bottom at the tank mouth edge of the described groove tank of described lower friction top below around described coupling shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320410212 CN203363131U (en) | 2013-07-11 | 2013-07-11 | Pawl unlocking mechanism, steam airtight positive pressure tank washing device and tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320410212 CN203363131U (en) | 2013-07-11 | 2013-07-11 | Pawl unlocking mechanism, steam airtight positive pressure tank washing device and tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203363131U true CN203363131U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320410212 Withdrawn - After Issue CN203363131U (en) | 2013-07-11 | 2013-07-11 | Pawl unlocking mechanism, steam airtight positive pressure tank washing device and tank truck |
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| Country | Link |
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| CN (1) | CN203363131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343816A (en) * | 2013-07-11 | 2013-10-09 | 中国石油化工股份有限公司 | Detent unlocking mechanism, steam airtight positive pressure tank washing device and groove tank truck |
-
2013
- 2013-07-11 CN CN 201320410212 patent/CN203363131U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343816A (en) * | 2013-07-11 | 2013-10-09 | 中国石油化工股份有限公司 | Detent unlocking mechanism, steam airtight positive pressure tank washing device and groove tank truck |
| CN103343816B (en) * | 2013-07-11 | 2015-08-26 | 中国石油化工股份有限公司 | Ratchet unlocking mechanism, steam airtight positive tank cleaning device and groove tank car |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20150826 |
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| RGAV | Abandon patent right to avoid regrant |