CN216618918U - Flexible pipe-line equipment and drainage car of speedily carrying out rescue work - Google Patents

Abstract

The utility model discloses a telescopic pipeline device and an emergency drainage vehicle, wherein the telescopic pipeline device comprises a telescopic pipe, a support frame and a first telescopic driving mechanism; the telescopic pipe comprises a middle pipeline and a front pipeline, and the rear end of the front pipeline is connected in the inner wall of the front end of the middle pipeline in a sliding manner; the support frame is connected with the outer wall of the middle pipeline; one end of the first telescopic driving mechanism is connected with the supporting frame, the other end of the first telescopic driving mechanism is connected with the front pipeline, and the other end of the first telescopic driving mechanism is used for driving the front pipeline to slide on the middle pipeline. Among the above-mentioned technical scheme, the support frame can support middle part pipeline and first flexible actuating mechanism, alleviates the load pressure that flexible pipe received, avoids middle part pipeline and anterior pipeline to buckle, damage because of the load is too big.

Description

Flexible pipe-line equipment and drainage car of speedily carrying out rescue work

Technical Field

The utility model relates to the technical field of telescopic pipes, in particular to a telescopic pipeline device and an emergency drainage vehicle.

Background

The emergency drainage vehicle is one of the most common emergency devices, and is often used for drainage, flood control, flood drainage and other tasks, and is also used for irrigation of agriculture and urban landscaping. When the emergency drainage vehicle is used, the drainage emergency operation is carried out on accumulated water, ditches, rivers and the like in the hollow part through the drainage device on the emergency drainage vehicle.

The telescopic pipeline equipment equipped on the drainage vehicle comprises a telescopic pipe and a telescopic driving mechanism. The telescopic pipe comprises a plurality of pipelines which are mutually sleeved, can be extended or shortened, and can be used for conveying water in hollow places, ditches, rivers and the like. The telescopic driving mechanism is arranged on the outer wall of the telescopic pipe and can drive the telescopic pipe to extend or shorten. The telescopic mechanism has certain weight, so that the load of the telescopic pipe is overlarge, the pipeline sleeved on the telescopic pipe is abnormal, and the telescopic function of the telescopic pipe is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, a telescopic pipeline device and an emergency drainage vehicle are needed to be provided, and the problem that the telescopic function of a telescopic pipe is affected due to the fact that a telescopic driving mechanism is arranged on the outer wall of the telescopic pipe to cause overlarge load of the telescopic pipe is solved.

In order to achieve the above object, the present embodiment provides a telescopic pipe apparatus, which includes a telescopic pipe, a support frame, and a first telescopic driving mechanism;

the telescopic pipe comprises a middle pipeline and a front pipeline, and the rear end of the front pipeline is connected in the inner wall of the front end of the middle pipeline in a sliding manner; the support frame is connected with the outer wall of the middle pipeline; one end of the first telescopic driving mechanism is connected with the supporting frame, the other end of the first telescopic driving mechanism is connected with the front pipeline, and the other end of the first telescopic driving mechanism is used for driving the front pipeline to slide on the middle pipeline.

Further, the pipeline conveying device further comprises a sliding mechanism, the supporting frame is connected with the outer wall of the middle pipeline through the sliding mechanism, and the middle pipeline can reciprocate along the supporting frame through the sliding mechanism.

Further, the sliding mechanism is a sliding groove roller mechanism or a sliding groove sliding block mechanism.

Furthermore, the support frame includes first connecting portion and second connecting portion, first connecting portion are located one side of middle part pipeline, the second connecting portion are located the opposite side of middle part pipeline, first connecting portion with the second connecting portion respectively through a slide mechanism with the outer wall of middle part pipeline is connected.

Further, the front pipeline comprises a first front pipeline and a second front pipeline, the rear end of the first front pipeline is connected to the inner wall of the front end of the middle pipeline in a sliding mode, the rear end of the second front pipeline is connected with the front end of the first front pipeline in a sliding mode in a sleeved mode, and the other end of the first telescopic driving mechanism is connected with the second front pipeline.

Further, the telescopic pipe further comprises a rear pipeline, and the front end of the rear pipeline is connected in the inner wall of the rear end of the middle pipeline in a sliding mode.

Further, the rear portion pipeline includes first rear portion pipeline and second rear portion pipeline, the front end sliding connection of first rear portion pipeline in the rear end inner wall of middle part pipeline, the front end of second rear portion pipeline with the rear end sliding sleeve of first rear portion pipeline cup joints.

Further, the pipeline conveying device further comprises a second telescopic driving mechanism, and the second telescopic driving mechanism is used for driving the rear pipeline and the middle pipeline to slide mutually.

Further, the first telescopic driving mechanism is a telescopic oil cylinder or a telescopic air cylinder.

Further, when the first telescopic driving mechanism is a telescopic oil cylinder, the telescopic oil cylinder is a multi-stage telescopic oil cylinder.

Furthermore, the telescopic oil cylinder is a three-stage telescopic oil cylinder, the three-stage telescopic oil cylinder comprises a first cylinder barrel, a second cylinder barrel, a third cylinder barrel and a piston rod, the second cylinder barrel is sleeved in the first cylinder barrel, the third cylinder barrel is sleeved in the second cylinder barrel, and the piston rod is sleeved in the third cylinder barrel;

the other end of the first telescopic driving mechanism is the piston rod, and one end of the first telescopic driving mechanism is the first cylinder barrel; or: the other end of the first telescopic driving mechanism is the first cylinder, and one end of the first telescopic driving mechanism is the piston rod.

Further, a pump is arranged at the front end or the rear end of the telescopic pipe.

In order to achieve the above object, the present embodiment provides an emergency drainage vehicle, which includes a telescopic pipe apparatus as described in any one of the above embodiments.

Different from the prior art, in the technical scheme, the middle pipeline and the front pipeline can slide mutually to realize the telescopic function of the telescopic pipe; one end of the first telescopic driving mechanism is connected with the support frame, the other end of the first telescopic driving mechanism is connected with the front pipeline, and the first telescopic driving mechanism has a telescopic function and can drive the middle pipeline and the front pipeline to be telescopic; the support frame can support the middle pipeline and the first telescopic driving mechanism, so that the load pressure on the telescopic pipes is reduced, and the middle pipeline and the front pipeline are prevented from being bent and damaged due to overlarge load.

Drawings

Fig. 1 is a schematic structural diagram of a telescopic pipe apparatus in the present embodiment;

FIG. 2 is a second schematic structural diagram of the retractable piping apparatus of this embodiment;

FIG. 3 is a second schematic structural diagram of the retractable piping apparatus of this embodiment;

FIG. 4 is a schematic structural diagram of the first telescopic driving mechanism in this embodiment;

FIG. 5 is a schematic cross-sectional view of the bellows and the pump in this embodiment;

FIG. 6 is a partially enlarged view of the portion A in the present embodiment;

FIG. 7 is a partially enlarged view of the portion B in the present embodiment;

FIG. 8 is a second schematic cross-sectional view of the bellows and the pump of this embodiment;

FIG. 9 is a third schematic sectional view of the bellows and the pump of this embodiment;

FIG. 10 is a partially enlarged view of the portion C in the present embodiment;

FIG. 11 is a fourth schematic cross-sectional view of the bellows and the pump of the present embodiment;

FIG. 12 is a schematic structural diagram of an emergency drainage vehicle according to the present embodiment;

fig. 13 is a second schematic structural view of the emergency drainage vehicle in this embodiment.

Description of reference numerals:

1. a telescopic pipe;

11. a front duct; 111. a first front duct; 112. a second front duct;

12. a middle pipe;

13. a rear duct; 131. a first rear duct; 132. a second rear duct;

2. a first telescopic driving mechanism;

3. a second telescopic driving mechanism;

4. a piston rod;

41. a first cylinder; 42. a second cylinder; 43. a third cylinder;

5. a support frame;

51. a first connection portion; 52. a second connecting portion;

6. a sliding mechanism;

61. a chute; 62. a roller;

7. a chassis;

8. a traveling mechanism;

9. and (4) a pump.

Detailed Description

In order to explain in detail possible application scenarios, technical principles, practical embodiments, and the like of the present application, the following detailed description is given with reference to the accompanying drawings in conjunction with the listed embodiments. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Referring to fig. 1 to 13, the present embodiment provides a telescopic pipe apparatus, which includes a telescopic pipe 1, a support frame 5 and a first telescopic driving mechanism 2. The telescopic tube 1 comprises a middle tube 12 and a front tube 11, wherein the outer diameter of the front tube 11 is smaller than the inner diameter of the middle tube 12, the rear end of the front tube 11 is slidably connected to the inner wall of the front end of the middle tube 12, and the front tube 11 can slide in the inner wall of the middle tube 12. The support frame 5 is used for supporting a middle pipeline 12, and the support frame 5 is connected with the outer wall of the middle pipeline 12. One end of the first telescopic driving mechanism 2 is connected with the support frame 5, and the other end of the first telescopic driving mechanism 2 is connected with the front pipeline 11. First flexible actuating mechanism 2 itself has flexible function, the other end of first flexible actuating mechanism 2 can for the one end of first flexible actuating mechanism 2 removes, the other end of first flexible actuating mechanism 2 is used for driving front portion pipeline 11 and slides on middle part pipeline 12.

In the technical scheme, the middle pipeline and the front pipeline can slide mutually to realize the telescopic function of the telescopic pipe; one end of the first telescopic driving mechanism is connected with the support frame, the other end of the first telescopic driving mechanism is connected with the front pipeline, and the first telescopic driving mechanism has a telescopic function and can drive the middle pipeline and the front pipeline to be telescopic; the support frame can support the middle pipeline and the first telescopic driving mechanism, so that the load pressure on the telescopic pipes is reduced, and the middle pipeline and the front pipeline are prevented from being bent and damaged due to overlarge load.

Referring to fig. 1, fig. 3 and fig. 9, in the present embodiment, the telescopic pipeline apparatus further includes a sliding mechanism 6, and the sliding mechanism 6 has a telescopic sliding function. The support frame 5 is connected with the outer wall of the middle pipeline 12 through the sliding mechanism 6, and the middle pipeline 12 can reciprocate along the support frame 5 through the sliding mechanism 6.

In this embodiment, the sliding mechanism 6 is a sliding groove roller mechanism, a sliding groove slider mechanism, or a lead screw and nut mechanism. Alternatively, the sliding mechanism 6 may be a linear guide or a sliding ball mechanism. Referring to fig. 1, 3, 9 and 10, a chute roller mechanism is described as an example, the chute roller mechanism includes a chute 61 and a roller 62, the chute 61 is adapted to the roller 62, the roller 62 is disposed in the chute 61, and as shown in fig. 9 and 10, the roller 62 may be one or more, and one or more rollers 62 can roll along the chute 61. The sliding chute 61 is arranged on the outer wall of the middle pipeline 12, and the roller 62 is arranged on the support frame 5; or: the sliding groove 61 is arranged on the support frame 5, and the roller is arranged on the outer wall of the middle pipeline 12. It should be mentioned that the roller is disposed on the outer wall of the supporting frame 5 or the middle pipe 12, that is, the roller 62 is disposed on the outer wall of the supporting frame 5 or the middle pipe 12 through a rotating shaft, and the roller 62 can rotate around the rotating shaft to drive the supporting frame 5 or the middle pipe 12 to move relative to the sliding groove 61. The friction between the roller 62 and the sliding groove 61 is small, the structure is simple, the use is convenient, the stability is good, and the matching of the roller 62 and the sliding groove 61 can make the sliding between the support frame 5 and the middle pipeline 12 smoother.

Referring to fig. 1, 9 and 10, in the present embodiment, in order to improve the stability of the connection between the support frame 5 and the middle pipe 12, the support frame 5 includes a first connection portion 51 and a second connection portion 52. The first connection portion 51 is located at one side of the middle pipe 12, and the second connection portion 52 is located at the other side of the middle pipe 12. For example, the first connection portion 51 is located on the left side of the middle pipe 12, and the second connection portion 52 is located on the right side of the middle pipe 12; or: the first connection portion 51 is located at the right side of the middle pipe 12, and the second connection portion 52 is located at the left side of the middle pipe 12. The first connecting portion 51 and the second connecting portion 52 are connected to the outer wall of the middle pipe 12 through a sliding mechanism 6. So, the both sides of middle part pipeline 12 are connected with support frame 5 through a slide mechanism 6 respectively, help promoting the sliding stability of middle part pipeline 12 and support frame 5, let middle part pipeline 12 can slide along with support frame 5 steadily, avoid taking place violent rocking.

It should be noted that the sliding mechanism 6 connected to the first connecting portion 51 may be the same as the sliding mechanism 6 connected to the second connecting portion 52, for example, both are a sliding groove roller mechanism; or: the sliding mechanism 6 connected to the first connecting portion 51 may be different from the sliding mechanism 6 connected to the second connecting portion 52, for example, a sliding groove roller mechanism and a sliding groove slider mechanism.

Referring to fig. 1, 9 and 10, preferably, the first connecting portion 51 is opposite to the second connecting portion 52, the first connecting portion 51 and the second connecting portion 52 are symmetrical with respect to a middle portion of the supporting frame 5, and the middle portion of the supporting frame 5 refers to a middle portion of left and right sides of the supporting frame 5. And the slide mechanism connected to the first connection portion 51 and the slide mechanism 6 connected to the second connection portion 52 are symmetrical with respect to the middle of the middle pipe 12.

In some embodiments, the outer wall of the central tube 12 is connected to the support frame 5 only by one sliding mechanism 6, which is less effective than the way of providing one sliding mechanism 6 on each side of the central tube 12.

Referring to fig. 1, 9 and 10, in the present embodiment, the first connecting portion 51 and the second connecting portion 52 are both located at an upper portion of the supporting frame 5, and a lower portion of the supporting frame 5 may be disposed on the ground or a vehicle. The first connecting part 51 is positioned on the inner side wall of one side of the support frame 5, and the sliding mechanism 6 is positioned on the outer side wall of one side of the support frame 5; the second connecting portion 52 is located on the inner side wall of the other side of the support frame 5, the middle pipeline 12 is located between the inner side wall of one side of the support frame 5 and the inner side wall of the other side of the support frame 5, and the other sliding mechanism 6 is located on the outer side wall of the other side of the support frame 5.

In the present embodiment, the vehicle is an automobile or a ship. The automobile is driven by power and is provided with 4 wheels or more than 4 wheels, and by virtue of the telescopic pipe 1, the automobile can be used as a fire fighting truck, an emergency drainage truck or a road cleaning truck, and the structure is shown in fig. 12. The ship is a vehicle which can sail or berth in a water area for transportation or operation, and can carry out water conveying and drainage operation on the ship by virtue of the telescopic pipe 1.

In this embodiment, the lower part of the support frame 5 is also provided with a sliding mechanism 6, so that the lower part of the support frame 5 is connected with the vehicle through the sliding mechanism 6. The emergency drainage vehicle is taken as an example for explanation, and a swing mechanism and/or a pitching mechanism are arranged on the emergency drainage vehicle. The swing mechanism is used for driving the pitching mechanism to rotate leftwards or rightwards on a horizontal plane, a rotating shaft of the pitching mechanism is perpendicular to the horizontal plane, the pitching mechanism is used for lifting the telescopic pipe 1 of the support frame 5 upwards or enabling the telescopic pipe 1 to swing downwards, the lower portion of the support frame 5 is connected with the pitching mechanism through the sliding mechanism 6, and the support frame 5 and the sliding mechanism 6 slide along with the pitching degree.

Referring to fig. 1 to 9, in the present embodiment, in order to increase the length of the telescopic tube 1 after being unfolded, the front pipe 11 itself has a telescopic function. The front duct 11 includes a first front duct 111 and a second front duct 112. The rear end of the first front pipe 111 is slidably connected to the inner wall of the front end of the middle pipe 12, the rear end of the second front pipe 112 is slidably sleeved with the front end of the first front pipe 111, and the second front pipe 112 is slidable along the first front pipe 111. The other end of the first telescopic driving mechanism 2 is connected with the second front pipe 112. Wherein, the sliding sleeve of the rear end of the second front pipe 112 and the front end of the first front pipe 111 means: the outer diameter of the second front pipe 112 is smaller than the inner diameter of the first front pipe 111, and the second front pipe 112 is slidably connected to the inner wall of the front end of the first front pipe 111, as shown in fig. 5 to 8; or: the outer diameter of the second front duct 112 is larger than the inner diameter of the first front duct 111, and the front end of the first front duct 111 is slidably coupled to the inner wall of the rear end of the second front duct 112. Preferably, the outer diameter of the second front pipe 112 is smaller than the inner diameter of the first front pipe 111, the second front pipe 112 is slidably connected to the inner wall of the front end of the first front pipe 111, the outer diameters of the middle pipe 12, the first front pipe 111 and the second front pipe 112 are sequentially reduced, so that the second front pipe 112 can be retracted into the inner wall of the first front pipe 111, and the first front pipe 111 can be retracted into the inner wall of the middle pipe 12. Therefore, the telescopic pipe 1 has a compact structure after being contracted, the occupied space is reduced, and the telescopic pipe 1 is convenient to transport.

In this embodiment, can be through nesting each other between the pipeline more than two, can infinitely prolong the length of anterior pipeline 11 to it carries out the water delivery operation more conveniently in the deeper low-lying department of groundwater source degree of depth, and its simple structure, with low costs, easy and simple to handle, labour saving and time saving improves work efficiency. The front pipeline 11 can be nested with each other by three pipelines, four pipelines, five pipelines and ten pipelines to realize telescopic work.

The front duct 11 is illustrated as an example with three ducts nested inside each other, namely a first front duct 111 (one of the front ducts 11 close to the middle duct 12), a second front duct 112 and a third front duct having an outer diameter smaller than the inner diameter of the second front duct 112, which is slidably connected in the front end inner wall of the second front duct 112. When the telescopic tube 1 is extended and retracted, the third front duct can be retracted in the inner wall of the second front duct 112, and the second front duct 112 can be retracted in the inner wall of the first front duct 111.

Referring to fig. 1 to 11, in the present embodiment, the telescopic tube 1 further includes a rear duct 13, and a front end of the rear duct 13 is slidably connected to an inner wall of a rear end of the middle duct 12. The rear duct 13 may be retracted into the rear end inner wall of the middle duct 12, or the rear duct 13 may be extended from the rear end inner wall of the middle duct 12.

Referring to fig. 1 to 11, in the present embodiment, in order to increase the length of the telescopic tube 1 after being unfolded, the rear duct 13 has a telescopic function. The rear duct 13 includes a first rear duct 131 and a second rear duct 132, the first rear duct 131 has an outer diameter smaller than an inner diameter of the middle duct 12, and a front end of the first rear duct 131 is slidably coupled to an inner wall of a rear end of the middle duct 12. The front end of the second rear pipe 132 is slidably sleeved with the rear end of the first rear pipe 131, and the front end of the second rear pipe 132 is slidable along the first rear pipe 131. Wherein, the sliding sleeve of the front end of the second rear pipe 132 and the rear end of the first rear pipe 131 means: the outer diameter of the second rear pipe 132 is smaller than the inner diameter of the first rear pipe 131, and the second rear pipe 132 is slidably connected to the inner wall of the rear end of the first rear pipe 131, as shown in fig. 5 to 8; or: the outer diameter of the second rear duct 132 is larger than the inner diameter of the first rear duct 131, and the rear end of the first rear duct 131 is slidably coupled to the inner wall of the front end of the second front duct 112. Preferably, the outer diameter of the second rear pipe 132 is smaller than the inner diameter of the first rear pipe 131, the second rear pipe 132 is slidably connected to the inner wall of the rear end of the first rear pipe 131, the outer diameters of the middle pipe 12, the first rear pipe 131 and the second rear pipe 132 are sequentially reduced, so that the second rear pipe 132 can be retracted into the inner wall of the first rear pipe 131, and the first rear pipe 131 can be retracted into the inner wall of the middle pipe 12. Therefore, the telescopic pipe 1 has a compact structure after being contracted, the occupied space is reduced, and the telescopic pipe 1 is convenient to transport.

In this embodiment, can be through nesting each other between the pipeline more than two, can infinitely prolong rear portion pipeline 13's length to it carries out the water delivery operation more conveniently in the deeper low-lying department of groundwater source degree of depth, and its simple structure, with low costs, easy and simple to handle, labour saving and time saving improves work efficiency. The rear pipes 13 can be nested with each other by three pipes, four pipes, five pipes, and ten pipes to achieve telescopic work.

The rear duct 13 is illustrated by an example in which three ducts, namely a first rear duct 131 (first stage duct), a second rear duct 132 (second stage duct), and a third rear duct (last stage duct), having an outer diameter smaller than the inner diameter of the second rear duct 132, are nested in each other, the third rear duct being slidably connected to the inner wall of the rear end of the second rear duct 132. When the telescopic tube 1 is extended and retracted, the third rear duct can be retracted in the inner wall of the second rear duct 132 and the second rear duct 132 can be retracted in the inner wall of the first rear duct 131.

Preferably, when the telescopic tube 1 has the second front tube 112, the first front tube 111, the middle tube 12, the first rear tube 131 and the second rear tube 132, the telescopic tube 1 has a longer length after being completely unfolded, so that the telescopic tube can carry out water delivery work for deeper or farther water sources; the telescopic tube 1 has a smaller contracted length, the second front duct 112 is retracted in the inner wall of the first front duct 111, the structure is shown in fig. 5 and 6, the first front duct 111 is retracted in the inner wall of the second rear duct 132, the second rear duct 132 is retracted in the inner wall of the middle duct 12, the structure is shown in fig. 5 and 6; therefore, the telescopic pipe 1 has a compact structure after being contracted, the occupied space is reduced, and the telescopic pipe 1 is convenient to transport. In addition, the telescopic pipe 1 has better practicability, wide audience and better product competitiveness.

Referring to fig. 1 to 11, in the embodiment, the middle pipe 12 is a straight pipe, so that the front pipe 11 and the rear pipe 13 can be retracted into the middle pipe 12. Preferably, the front duct 11 is a straight duct, so that the front duct 11 can protrude more completely into the inner wall of the rear duct 13. Of course, the front duct 11 may be a bent pipe, for example, a U-shape, a V-shape, an L-shape, so that the front end portion of the front duct 11 is connected to a connecting pipe in another direction, while the rear end portion of the front duct 11 is a straight pipe and may be slid into the middle duct 12. Preferably, the rear duct 13 is a straight duct, so that the front duct 11 can project into a substantial part of the inner wall of the rear duct 13, and the rear duct 13 can be retracted into the middle duct 12. Of course, the rear duct 13 may be a bent pipe, such as a U-shaped, V-shaped, L-shaped, so that the rear end of the rear duct 13 is connected to a connecting pipe in another direction, and the front end of the rear duct 13 is a straight pipe and may be slid into the middle duct 12.

It should be noted that the inner wall of the straight tube is straight or nearly straight, the straight tube is flatly placed on a horizontal plane, the straight tube is cylindrical, and the projection shape of the straight tube is nearly straight. The inner wall of the tube is generally slightly uneven due to the influence of the manufacturing process, and such tubes also fall within the scope of straight tubes. When the bent pipe is horizontally placed on a horizontal plane, the projection shape of the bent pipe can be U-shaped, V-shaped, L-shaped, S-shaped, W-shaped and the like.

Preferably, the front duct 11 is a cylindrical pipe, and the cross-sectional shape of the front duct 11 is circular. Preferably, the central tube 12 is a cylindrical tube, and the cross-sectional shape of the central tube 12 is circular. Preferably, the rear duct 13 is a cylindrical pipe, and the sectional shape of the rear duct 13 is circular.

Referring to fig. 1, the direction of the arrow in fig. 1 is the front end of the telescopic tube 1, which is also the front end of each pipeline. As can be seen from fig. 1, the front end of the front duct 11 protrudes from the front end of the middle duct 12, and the rear end of the front duct 11 slides into the front ends of the middle duct 12 and the rear duct 13. Specifically, the front end of the front duct 11 is located in a direction (a direction indicated by an arrow in fig. 1) in which the middle of the front duct 11 faces one side, and the rear end of the front duct 11 is located in a direction in which the middle of the front duct 11 faces the other side; the front end of the middle tube 12 is located in a direction (a direction indicated by an arrow in fig. 1) in which the middle of the middle tube 12 faces one side, and the rear end of the middle tube 12 is located in a direction in which the middle of the middle tube 12 faces the other side; the front end of the rear duct 13 is located in a direction (direction indicated by an arrow in fig. 1) in which the middle of the rear duct 13 faces one side, and the rear end of the rear duct 13 is located in a direction in which the middle of the rear duct 13 faces the other side.

Referring to fig. 1, 3, 4 and 9, in the present embodiment, since the front pipe 11 and the middle pipe 12 slide along a straight line, the first telescopic driving mechanism 2 is a telescopic cylinder, a telescopic cylinder or an electric telescopic rod, and the telescopic direction of the first telescopic driving mechanism 2 is parallel to the sliding direction of the pipes. In this way, the first telescopic driving mechanism 2 can drive the front pipe 11 to extend out of the middle pipe 12 and drive the front pipe 11 to retract into the middle pipe 12. The front duct 11 may be a single-stage duct or a multi-stage duct, for example, a two-stage duct includes the first front duct 111 and the second front duct 112, and for example, a three-stage duct includes the first front duct 111, the second front duct 112, and the third front duct.

In this embodiment, when the first telescopic driving mechanism 2 is a telescopic cylinder (also referred to as a first telescopic cylinder), the first telescopic cylinder may be a multi-stage telescopic cylinder or a one-stage telescopic cylinder. The telescopic oil cylinder has the advantages of simple structure, reliable work, easy manufacture, convenient use and maintenance, good low-speed stability and the like. The moving end of the telescopic oil cylinder can be an oil cylinder or a cylinder barrel, and the oil cylinder linearly reciprocates in the cylinder barrel.

In this embodiment, the telescopic stroke of the telescopic tube 1 is large, and the telescopic stroke of the primary telescopic cylinder is small. Preferably, the telescopic cylinder may be a multi-stage telescopic cylinder, such as a three-stage telescopic cylinder, a four-stage telescopic cylinder, a five-stage telescopic cylinder, etc., and the multi-stage telescopic cylinder has a large telescopic stroke and can drive the long first front pipeline 111 and the long second front pipeline 112 to gradually extend out of the middle pipeline 12.

Referring to fig. 1, fig. 3, fig. 4 and fig. 9, in the present embodiment, the telescopic cylinder may be a three-stage telescopic cylinder, and the three-stage telescopic cylinder includes a first cylinder 41, a second cylinder 42, a third cylinder 43 and a piston rod 4, and the structure is shown in fig. 4. The second cylinder 42 is sleeved in the first cylinder 41, and the second cylinder 42 can reciprocate in the first cylinder 41 under the driving of the oil liquid. The third cylinder 43 is sleeved in the second cylinder 42, and the third cylinder 43 can reciprocate in the second cylinder 42 under the driving of oil. The piston rod 4 is sleeved in the third cylinder 43, and the piston rod 4 can reciprocate in the third cylinder 43 under the driving of oil.

In the three-stage telescopic cylinder, the first cylinder 41 can move relative to the piston rod 4. When the other end of the first telescopic driving mechanism 2 is the piston rod 4, the piston rod 4 is connected with the front pipeline 11, one end of the first telescopic driving mechanism 2 is the first cylinder 41, and the first cylinder 41 is connected with the support frame 5, and the structure is as shown in fig. 1, fig. 4 and fig. 9; or: when the other end of the first telescopic driving mechanism 2 is the first cylinder, the first cylinder is connected with the front pipeline 11, one end of the first telescopic driving mechanism 2 is the piston rod, and the piston rod is connected with the support frame 5.

The three-stage telescopic cylinder has a large telescopic length and can drive the first front pipeline 111 and the second front pipeline 112 to gradually extend out of the middle pipeline 12. When the telescopic oil cylinder extends, the second cylinder gradually extends out of the first cylinder, the third cylinder gradually extends out of the second cylinder, and the piston rod gradually extends out of the third cylinder, so that the first front pipeline 111 and the second front pipeline 112 are driven to be completely unfolded and spanned; when the telescopic cylinder is retracted, the piston rod is gradually retracted into the third cylinder, the third cylinder is gradually retracted into the second cylinder, the second cylinder is gradually retracted into the first cylinder, and the first front pipeline 111 and the second front pipeline 112 are retracted into the inner wall of the middle pipeline 12. The telescopic pipe 1 has a compact structure after being contracted, the occupied space is reduced, and the telescopic pipe 1 is convenient to transport.

Taking a four-stage telescopic oil cylinder as an example, the four-stage telescopic oil cylinder comprises a first cylinder barrel, a second cylinder barrel, a third cylinder barrel, a fourth cylinder barrel and a piston rod. The second cylinder barrel is sleeved in the first cylinder barrel, and the second cylinder barrel can reciprocate in the first cylinder barrel under the driving of oil. The third cylinder barrel is sleeved in the second cylinder barrel, and the third cylinder barrel can reciprocate in the second cylinder barrel under the driving of oil. The fourth cylinder barrel is sleeved in the third cylinder barrel, and the fourth cylinder barrel can reciprocate in the third cylinder barrel under the driving of oil. The piston rod is sleeved in the fourth cylinder barrel, and the piston rod can reciprocate in the fourth cylinder barrel under the driving of oil.

When the first telescopic driving mechanism 2 is a telescopic cylinder, it is preferably a multi-stage telescopic cylinder.

Referring to fig. 2, in the present embodiment, the telescopic duct apparatus further includes a second telescopic driving mechanism 3, the second telescopic driving mechanism 3 has a telescopic function, and the second telescopic driving mechanism 3 is configured to drive the second rear duct 132 and the middle duct 12 to slide with each other. Because the rear pipeline 13 and the middle pipeline 12 slide along the straight line direction, the second telescopic driving mechanism 3 is a telescopic oil cylinder, a telescopic air cylinder or an electric telescopic rod.

Referring to fig. 2, in the embodiment, when the second telescopic driving mechanism 3 is a telescopic cylinder (also referred to as a second telescopic cylinder), the second telescopic cylinder may be a multi-stage telescopic cylinder or a one-stage telescopic cylinder. The second telescopic driving mechanism 3 is preferably used by a primary telescopic cylinder. The structure of the first-stage telescopic oil cylinder comprises a first cylinder 41 and a piston rod 4, a piston is arranged in a cavity of the first cylinder 41 in a sliding mode, the piston can reciprocate in the first cylinder under the drive of oil, one end of the piston rod 4 is arranged on the piston, the other end of the piston rod 4 extends out of the first cylinder, and the piston rod can move relative to the first cylinder.

In this embodiment, when the rear duct 13 has the first rear duct 131 and the second rear duct 132, the number of the second telescopic driving mechanisms 3 may be plural, and each of the second telescopic driving mechanisms 3 drives the sliding of two ducts. Referring to fig. 2, for example, two second telescopic driving mechanisms 3 are provided, a first second telescopic driving mechanism 3 can drive the middle pipe 12 and the first rear pipe 131 to slide relatively, a piston rod is connected to the first rear pipe 131, a first cylinder is connected to the middle pipe 12, or a piston rod is connected to the middle pipe 12, and a first cylinder is connected to the first rear pipe 131; the second telescopic driving mechanism 3 can drive the middle pipe 12 and the second rear pipe 132 to slide relatively, the piston rod is connected with the second rear pipe 132, the first cylinder is connected with the middle pipe 12, or the piston rod is connected with the middle pipe 12, and the first cylinder is connected with the second rear pipe 132.

In some embodiments, the second telescopic drive 3 may be a multi-stage telescopic cylinder, in which one of the first cylinder or the piston rod of the second telescopic drive 3 is connected to the middle pipe 12 and the other of the cylinder or the piston rod of the second telescopic drive 3 is connected to the second rear pipe 132, similar to the connection of the first telescopic drive 2 to the second front pipe 112.

In some embodiments, the first telescopic driving mechanism 2 is a single-stage telescopic cylinder and is provided in plurality. For example, the number of the first telescopic driving mechanisms 2 is two, the first telescopic driving mechanism 2 can drive the middle pipe 12 and the first front pipe 111 to slide relatively, the piston rod is connected with the first front pipe 111, the first cylinder is connected with the middle pipe 12, or the piston rod is connected with the middle pipe 12, and the first cylinder is connected with the first front pipe 111; the second first telescopic driving mechanism 2 can drive the middle pipeline 12 and the second front pipeline 112 to slide relatively, a piston rod is connected with the second front pipeline 112, a first cylinder is connected with the middle pipeline 12, or the piston rod is connected with the middle pipeline 12, and the first cylinder is connected with the second front pipeline 112.

Referring to fig. 1, fig. 3, fig. 5 and fig. 8, in the present embodiment, a pump 9 is disposed at the front end or the rear end of the telescopic tube 1. The telescopic tube 1 is used as a pipeline for conveying fluid, and the pump 9 is connected with the front end of the front pipeline 11 or the rear end of the rear pipeline 13. The pump 9 can pump fluids such as water, oil, acid and alkali liquids, emulsions, suspoemulsions, and liquid metals, and can also transport fluids such as liquids, gas mixtures, and fluids containing suspended solids to a target location. The emergency drainage vehicle has the function of taking water on site, the extension, the upward bending or the downward bending of the telescopic pipe 1 are controlled, the pump 9 on the telescopic pipe 1 is placed in a water source (a lake, a pond and accumulated water), and the pump 9 transports the water to a target. The front pipeline 11 and the rear pipeline 13 of the extension tube 1 can respectively extend out from the middle pipeline 12, the rear pipeline 13 of the extension tube 1 can extend into a water source with a higher water level, the pump 9 on the rear pipeline 13 can pump water, and the front pipeline 11 of the extension tube 1 can face to another water source with a lower water level, so that the water source with the higher water level is transferred.

When the front duct 11 is a primary pipe and the rear duct 13 is a primary pipe, the pump 9 may be provided at the front end of the front duct 11 or the rear end of the rear duct 13; when the front duct 11 is a two-stage duct and the rear duct 13 is a one-stage duct, the pump 9 may be provided at the front end of the second front duct 112 or the rear end of the rear duct 13; when the front duct 11 is a one-stage pipe and the rear duct 13 is a two-stage pipe, the pump 9 may be provided on the front end portion of the front duct 11 or the rear end portion of the second rear duct 132; when the front duct 11 is a two-stage pipe and the rear duct 13 is a two-stage pipe, the pump 9 may be provided on the front end portion of the second front duct 112 or the rear end portion of the second rear duct 132.

Referring to fig. 1 to 13, the embodiment further provides an emergency drainage vehicle, including the telescopic pipe apparatus according to any one of the embodiments, and the structure of the telescopic pipe apparatus is shown in fig. 1 to 11. The emergency drainage vehicle is one of the most common emergency devices, and is often used for drainage, flood control, flood drainage and other tasks, and is also used for irrigation of agriculture and urban landscaping. When the emergency drainage vehicle is used, accumulated water, ditches, rivers and the like in the hollow parts are drained for emergency operation through the telescopic pipe 1 and the pump 9 on the emergency drainage vehicle.

Referring to fig. 12 and 13, in the present embodiment, the emergency drainage vehicle further includes a chassis 7 and a traveling mechanism 8. The advancing mechanism 8 is arranged on the chassis 7 and is used for driving the chassis 7 to move. The telescopic pipe 1 is arranged on the chassis 7, and the chassis 7 is used for bearing the telescopic pipe 1. The traveling mechanism 8 comprises a power device and a rotating wheel. The rotating wheels are generally even and symmetrically distributed on two sides of the chassis 7, so that the chassis 7 tends to be stable when in running. The power device is in transmission connection with the rotating wheel, can be an internal combustion engine or an electric motor, and is used for driving the rotating wheel to rotate.

In the embodiment, the power device can be an internal combustion engine or an electric motor to serve as a power source for the travel of the emergency drainage vehicle. An internal combustion engine is a heat engine that directly converts the heat energy released by burning fuel inside the machine into power. The motor refers to a component for realizing electric energy conversion or transmission according to the electromagnetic induction law, and the main function of the motor is to generate driving torque.

Referring to fig. 12, in this embodiment, a cab is further disposed on the chassis 7, and a control mechanism is disposed in the cab and used for controlling the operation of the emergency drainage vehicle and the telescopic operation of the telescopic tube 1.

It is worth mentioning that the telescopic pipe 1 of the present application can also be applied on ships for water transfer operations at sea.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution as long as there is no technical contradiction or conflict.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended only to describe particular embodiments and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".

In this application, terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.

As is understood in the examination of the guidelines, the terms "greater than", "less than", "more than" and the like in this application are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application are to be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated arrangement; it can be a mechanical connection, an electrical connection, or a communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.

It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.

Claims (13)

1. A telescopic pipeline device is characterized by comprising a telescopic pipe, a support frame and a first telescopic driving mechanism;

the telescopic pipe comprises a middle pipeline and a front pipeline, and the rear end of the front pipeline is connected in the inner wall of the front end of the middle pipeline in a sliding manner; the support frame is connected with the outer wall of the middle pipeline; one end of the first telescopic driving mechanism is connected with the supporting frame, the other end of the first telescopic driving mechanism is connected with the front pipeline, and the other end of the first telescopic driving mechanism is used for driving the front pipeline to slide on the middle pipeline.

2. The telescopic piping apparatus of claim 1, further comprising a sliding mechanism, wherein the support frame is connected to an outer wall of the middle pipe by the sliding mechanism, and the middle pipe is reciprocally movable along the support frame by the sliding mechanism.

3. A telescopic pipe device according to claim 2, wherein said sliding mechanism is a chute roller mechanism or a chute slider mechanism.

4. The telescopic pipeline apparatus according to claim 2, wherein the support frame comprises a first connecting portion and a second connecting portion, the first connecting portion is located on one side of the middle pipeline, the second connecting portion is located on the other side of the middle pipeline, and the first connecting portion and the second connecting portion are respectively connected with the outer wall of the middle pipeline through a sliding mechanism.

5. The telescopic duct apparatus according to claim 1, wherein the front duct comprises a first front duct and a second front duct, a rear end of the first front duct is slidably connected to an inner wall of a front end of the middle duct, a rear end of the second front duct is slidably sleeved with a front end of the first front duct, and the other end of the first telescopic driving mechanism is connected to the second front duct.

6. The telescopic piping apparatus of claim 5, further comprising a rear pipe, a front end of said rear pipe being slidably connected in a rear end inner wall of said middle pipe.

7. The telescopic duct apparatus of claim 6, wherein the rear duct comprises a first rear duct and a second rear duct, a front end of the first rear duct is slidably connected to an inner wall of a rear end of the middle duct, and a front end of the second rear duct is slidably sleeved with a rear end of the first rear duct.

8. The telescopic duct apparatus of claim 7, further comprising a second telescopic drive mechanism for driving the mutual sliding between the rear duct and the middle duct.

9. The telescopic pipe apparatus according to any one of claims 1 to 8, wherein said first telescopic driving mechanism is a telescopic cylinder or a telescopic cylinder.

10. The telescopic piping apparatus of claim 9, wherein when said first telescopic driving mechanism is a telescopic cylinder, said telescopic cylinder is a multi-stage telescopic cylinder.

11. The telescopic pipeline equipment according to claim 10, wherein the telescopic oil cylinder is a three-stage telescopic oil cylinder, the three-stage telescopic oil cylinder comprises a first cylinder barrel, a second cylinder barrel, a third cylinder barrel and a piston rod, the second cylinder barrel is sleeved in the first cylinder barrel, the third cylinder barrel is sleeved in the second cylinder barrel, and the piston rod is sleeved in the third cylinder barrel;

the other end of the first telescopic driving mechanism is the piston rod, and one end of the first telescopic driving mechanism is the first cylinder barrel; or: the other end of the first telescopic driving mechanism is the first cylinder, and one end of the first telescopic driving mechanism is the piston rod.

12. The telescopic pipe apparatus according to any one of claims 1 to 8, wherein a pump is provided at the front end or the rear end of the telescopic pipe.

13. An emergency drainage carriage comprising a telescopic pipe apparatus as claimed in any one of claims 1 to 12.

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