Water supply device and fire fighting truck

Abstract

The utility model relates to a water supply device and a fire fighting truck, a water supply mechanism is communicated with a water pipe joint, the water pipe joint is arranged on a water tank, the water pipe joint is connected with the water tank, the water pipe joint is communicated with the water tank, and the water tank is provided with a water inlet; the rotary mechanism is located on the water tank and arranged on the outer wall of the water pipe connector in a sleeving mode, the central rotary connector is arranged in the water tank and comprises an outer shell and a rotary body, the outer shell is fixedly arranged, the rotary body is embedded in the outer shell, a plurality of first pipeline connectors are formed in the outer shell, and a plurality of second pipeline connectors are formed in the top of the rotary body. The multiple first pipeline connectors are correspondingly communicated with the multiple second pipeline connectors through pipelines respectively, multiple third pipeline connectors are arranged on the outer wall of the water pipe connector, the multiple second pipeline connectors are correspondingly communicated with the multiple third pipeline connectors through pipelines respectively, and one end of the connecting mechanism is connected with the rotating end of the rotating mechanism. And the other end of the connecting mechanism is connected with the rotary body.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting and rescue equipment technical field, especially a kind of water supply device and fire engine. BACKGROUND

[0002] At present, the occurrence of heavy fire is increasing, and the situation is also more and more complex, which requires higher remote water supply guarantee for fire scene; Therefore, the requirement of fire engine is also higher and higher, and the function of fire engine also needs more and more.

[0003] The water supply device of fire engine is provided with a rotating mechanism to expand the operation range of water supply, but the current rotating mechanism can only rotate 270°, and cannot realize 360° rotation, if the rotating mechanism is rotated to 360°, it is easy to cause the oil pipe on the rotating mechanism to be pulled off or wound, and the air pipe and cable on the current water supply device are arranged along the water pipe, which is easy to cause winding during operation. SUMMARY

[0004] Therefore, it is necessary to provide a water supply device and fire engine to solve the technical problem that the water supply device of fire engine is provided with a rotating mechanism to expand the operation range of water supply, but the current rotating mechanism can only rotate 270°, and cannot realize 360° rotation, if the rotating mechanism is rotated to 360°, it is easy to cause the oil pipe on the rotating mechanism to be pulled off or wound, and the air pipe and cable on the current water supply device are arranged along the water pipe, which is easy to cause winding during operation.

[0005] To achieve the above purpose, the inventor provides a water supply device, comprising:

[0006] a water pipe joint;

[0007] a water supply mechanism, the water supply mechanism is communicated with the water pipe joint, and the water supply mechanism is used for executing water supply operation to a remote place or a high place;

[0008] a water tank, the water pipe joint is arranged on the water tank, the water pipe joint is connected with the water tank, the water pipe joint is communicated with the water tank, and the water tank is provided with a water inlet;

[0009] a rotating mechanism, the rotating mechanism is located on the water tank, the rotating mechanism is sleeved on the outer wall of the water pipe joint, and the rotating mechanism is used for rotating the water pipe joint;

[0010] A central rotary joint is arranged in the water tank or penetrates the water tank and is located outside the water tank; the central rotary joint comprises an outer shell and a rotary body, the outer shell is fixedly arranged, the rotary body is nested in the outer shell, a plurality of first pipe interfaces are arranged on the outer shell, a plurality of second pipe interfaces are arranged on the top of the rotary body, the plurality of first pipe interfaces correspond to the plurality of second pipe interfaces through pipes in communication, a plurality of third pipe interfaces are arranged on the outer wall of the water pipe joint, the plurality of second pipe interfaces correspond to the plurality of third pipe interfaces through pipes in communication, and the plurality of first pipe interfaces, the plurality of second pipe interfaces and the plurality of third pipe interfaces are used for connecting one or more of an oil circuit, an air pipe and a cable.

[0011] And a connecting mechanism, one end of the connecting mechanism is connected with the rotary end of the rotary mechanism, and the other end of the connecting mechanism is connected with the rotary body.

[0012] As a preferred structure of the utility model, the connecting mechanism comprises a connecting disc and a plurality of connecting rods, the connecting disc is connected to the top of the rotary body, one end of the plurality of connecting rods is connected with the rotary end of the rotary mechanism, and the other end of the plurality of connecting rods is connected with the connecting disc.

[0013] As a preferred structure of the utility model, the connecting rod has three, and the three connecting rods are arranged in an equilateral triangle.

[0014] As a preferred structure of the utility model, the connecting mechanism further comprises a plurality of reinforcing rods, and the plurality of reinforcing rods are arranged between adjacent connecting rods.

[0015] As a preferred structure of the utility model, the central rotary joint further comprises a supporting seat, the supporting seat is arranged at the bottom of the outer shell, and the supporting seat is fixedly connected with the water tank.

[0016] As a preferred structure of the utility model, at least one water outlet pipe is arranged on the side of the water tank, and a control switch is arranged on the water outlet pipe.

[0017] As a preferred structure of the utility model, the water supply mechanism comprises two flow guide pipes, a plurality of telescopic water pipes and a telescopic driving part, two first water outlets are arranged on the water pipe joint, one end of the two flow guide pipes correspondingly communicates with the two first water outlets, and the other end of the two flow guide pipes communicates with the plurality of telescopic water pipes.

[0018] The telescopic driving part is arranged on the outer wall of the plurality of telescopic water pipes, and the telescopic driving part is used for driving the plurality of telescopic water pipes to stretch and retract.

[0019] As a preferred structure of the utility model, the multi-stage telescopic water pipe comprises a first water pipe and a second water pipe, the first water pipe is nested in the second water pipe, the first water pipe is slidably connected with the second water pipe, and the other ends of the two flow guide pipes are communicated with the second water pipe.

[0020] The telescopic driving component is a driving oil cylinder, one end of the driving oil cylinder is connected with the first water pipe, and the other end of the driving oil cylinder is connected with the second water pipe.

[0021] As a preferred structure of the utility model, a support plate is arranged on the outer wall of the water pipe joint, and the support plate is located on the rotary mechanism.

[0022] The water supply mechanism further comprises a lifting component, one end of the lifting component is connected with the support plate, the other end of the lifting component is connected with the multi-stage telescopic water pipe, and the lifting component is used for lifting the multi-stage telescopic water pipe upward or lowering the multi-stage telescopic water pipe downward.

[0023] Differing from the prior art, the beneficial effects of the above technical scheme are that the water supply device of the utility model concentrates the oil circuit, the air pipe and the cable through the plurality of first pipe interfaces and the plurality of second pipe interfaces of the central rotary joint, then connects the plurality of second pipe interfaces with the plurality of third pipe interfaces, concentrates the oil circuit, the air pipe and the cable on the central rotary joint, when the rotary mechanism rotates, the rotary mechanism drives the connecting mechanism to rotate, the connecting mechanism drives the rotary body to rotate, so that the rotary body can rotate synchronously with the rotary mechanism, even if the rotary mechanism is rotated to 360°, the oil pipe, the air pipe and the cable will not be broken or wound, the oil pipe, the air pipe and the cable are prevented from being broken or wound, and the water supply operation is ensured to be orderly carried out.

[0024] To achieve the above object, the inventor further provides a fire fighting truck comprising a frame and

[0025] The water supply device provided by any one of the above-mentioned inventors is arranged on the frame.

[0026] Differing from the prior art, the beneficial effects of the above technical scheme are that the fire fighting truck of the utility model, wherein the water supply device, concentrates the oil circuit, the air pipe and the cable through the plurality of first pipe interfaces and the plurality of second pipe interfaces of the central rotary joint, then connects the plurality of second pipe interfaces with the plurality of third pipe interfaces, concentrates the oil circuit, the air pipe and the cable on the central rotary joint, when the rotary mechanism rotates, the rotary mechanism drives the connecting mechanism to rotate, the connecting mechanism drives the rotary body to rotate, so that the rotary body can rotate synchronously with the rotary mechanism, even if the rotary mechanism is rotated to 360°, the oil pipe, the air pipe and the cable will not be broken or wound, the oil pipe, the air pipe and the cable are prevented from being broken or wound, and the water supply operation is ensured to be orderly carried out.

[0027] The above brief introduction relates to the technical scheme of the present application, in order to enable those skilled in the art to more clearly understand the technical scheme of the present application, and then can be implemented according to the content of the description and the drawings, and in order to let the above-mentioned purpose and other purposes, characteristics and advantages of the present application can be more easily understood, the following will be described in combination with the specific embodiments of the present application and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0028] The drawings are only used to show the principles, implementation manners, applications, characteristics and effects of the specific embodiments of the present application and other related contents, and cannot be considered as the limitation of the present application.

[0029] In the drawings of the specification:

[0030] Figure 1 is a structural schematic view of the fire fighting truck described in the specific embodiment;

[0031] Figure 2 is one of the structural schematic views of the water supply device described in the specific embodiment;

[0032] Figure 3 is the second structural schematic view of the water supply device described in the specific embodiment;

[0033] Figure 4 is a partial enlarged schematic view in Figure 3

[0034] Figure 5 is one of the partial structural schematic views of the water supply device described in the specific embodiment;

[0035] Figure 6 is the second partial structural schematic view of the water supply device described in the specific embodiment.

[0036] The reference signs involved in the above drawings are explained as follows:

[0037] 100, frame,

[0038] 200, water supply device,

[0039] 1, water pipe joint,

[0040] 11, third pipe interface,

[0041] 12, first water outlet,

[0042] 13, support plate, 2, water supply mechanism,

[0043] 21, flow guide pipe,

[0044] 22, first water pipe, ​

[0045] 23. Second water pipe,

[0046] 24. Driving oil cylinder,

[0047] 25. Lifting part, 3. Water tank,

[0048] 31. Water inlet,

[0049] 32. Water outlet pipe,

[0050] 33. Control switch, 4. Rotary mechanism, 5. Central rotary joint,

[0051] 51. Outer shell,

[0052] 511. First pipeline interface,

[0053] 52. Rotary body,

[0054] 521. Second pipeline interface,

[0055] 53. Support seat, 6. Connecting mechanism,

[0056] 61. Connecting disc,

[0057] 62. Connecting rod,

[0058] 63. Reinforcing rod. DETAILED DESCRIPTION

[0059] To explain the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following will be described in detail in combination with the specific embodiments listed and the accompanying drawings. The embodiments described in this paper are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0060] In this paper, the term "embodiment" means that the specific features, structures or characteristics described in combination with the embodiment can be included in at least one embodiment of the present application. The term "embodiment" appearing at various places in the specification does not necessarily refer to the same embodiment, and does not particularly limit its independence or association with other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

[0061] Unless otherwise defined, the meaning of the technical terms used in this paper is the same as that generally understood by those skilled in the art to which the present application belongs; the use of related terms in this paper is only for the purpose of describing specific embodiments, and is not intended to limit the present application.

[0062] In the description of the present application, the phrase "and / or" is a description of a logical relationship between objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases: A exists, B exists, and A and B exist at the same time. In addition, the character " / " herein generally represents that the associated objects before and after are an "or" logical relationship.

[0063] In the present application, the terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary and secondary, or order relationship between the entities or operations.

[0064] In the present application, without more limitation, the "includes", "contains", "has" or other similar expressions used in the sentence are intended to cover non-exclusive inclusion, and these expressions do not exclude the presence of other elements in the process, method or product including the described elements, so that the process, method or product including a series of elements can not only include those limited elements, but also include other elements not explicitly listed, or also include the elements inherent to such process, method or product.

[0065] As the same understanding as in the "Guidelines for Examination", in the present application, the expressions such as "greater than", "less than", "exceed" are understood as not including the number; the expressions such as "above", "below", "within" are understood as including the number. In addition, in the description of the embodiments of the present application, the meaning of "multiple" is more than two (including two), and similar expressions related to "multiple" are also understood in this way, for example, "multiple groups", "multiple times" and the like, unless otherwise explicitly limited.

[0066] In the description of the embodiments of the present application, the spatial-related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or the drawings, and are only for the convenience of describing the specific embodiments of the present application or for the reader to understand, and do not indicate or imply that the indicated device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application. In addition, it is also understood in the context that when referring to an element connected "on" or "under" another element, it can be directly connected "on" or "under" another element, or indirectly connected "on" or "under" another element through an intermediate element.

[0067] Unless otherwise clearly indicated or limited by context, terms such as "mount", "connect", "connect", "fix", "arrange" and the like used in the description of embodiments of the application are to be construed broadly. For example, "connected" can be fixed connection, or detachable connection, or integrated arrangement; it can be mechanical connection, or electrical connection, or communication connection; it can be direct connection, or indirect connection through intermediate medium; it can be internal communication of two elements, or interaction relationship between two elements. For those skilled in the art of the present application, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0068] Please refer to Figures 1 to 6 The embodiment relates to a water supply device 200, which comprises:

[0069] Water pipe joint 1;

[0070] Water supply mechanism 2, which communicates with the water pipe joint 1, is used to perform water supply work to a remote or high place to expand the operation range of water supply.

[0071] Water tank 3, the water pipe joint 1 is arranged on the water tank 3, the water pipe joint 1 is connected with the water tank 3, the water pipe joint 1 communicates with the water tank 3, and the water tank 3 is provided with a water inlet 31 so as to be connected with a water supply pipe to send water into the water tank 3.

[0072] Rotary mechanism 4, which is located on the water tank 3, is sleeved on the outer wall of the water pipe joint 1, and is used to rotate the water pipe joint 1. The rotary mechanism 4 drives the water pipe joint 1 to rotate 360 degrees to expand the operation range of water supply. The rotary mechanism 4 comprises a hydraulic motor, a fixed end and a rotary end, the rotary end is arranged on the fixed end, the hydraulic motor drives the rotary end to rotate to drive the water pipe joint 1 to rotate. It should be noted that the rotary mechanism 4 in the embodiment is a conventional technical solution in the technical field, and will not be described here.

[0073] Central rotary joint 5, such as Figure 6As shown, the central rotary joint 5 is located outside the water tank 3 through the water tank; the central rotary joint 5 comprises an outer shell 51 and a rotary body 52, the outer shell 51 is fixedly arranged, the rotary body 52 is nested in the outer shell 51, a plurality of first pipe interfaces 511 are arranged on the outer shell 51, a plurality of second pipe interfaces 521 are arranged on the top of the rotary body 52, a plurality of the first pipe interfaces 511 respectively correspond to a plurality of the second pipe interfaces 521 through the pipeline communication, a plurality of third pipe interfaces 11 are arranged on the outer wall of the water pipe joint 1, a plurality of the second pipe interfaces 521 respectively correspond to a plurality of the third pipe interfaces 11 through the pipeline communication, it should be noted that the pipeline in this embodiment is an oil line, an air pipe and a cable. A plurality of the first pipe interfaces 511, a plurality of the second pipe interfaces 521 and a plurality of the third pipe interfaces 11 are used to connect one or more of the oil line, the air pipe and the cable; preferably, in this embodiment, a plurality of the first pipe interfaces 511, a plurality of the second pipe interfaces 521 and a plurality of the third pipe interfaces 11 are used to connect the oil line, the air pipe and the cable, the oil line, the air pipe and the cable are concentrated and connected through a plurality of the first pipe interfaces 511 and a plurality of the second pipe interfaces 521 of the central rotary joint 5, and then a plurality of the second pipe interfaces 521 are connected with a plurality of the third pipe interfaces 11, so as to avoid the oil line, the air pipe and the cable winding, ensure the orderly operation of water supply work, and when the rotary mechanism 4 is rotated to 360°, avoid the oil pipe, the air pipe and the cable being pulled off or winding. Or in other embodiments, a plurality of the first pipe interfaces 511, a plurality of the second pipe interfaces 521 and a plurality of the third pipe interfaces 11 are used to connect one or a combination of two of the oil line, the air pipe and the cable. It should be noted that in this embodiment, the number of a plurality of the first pipe interfaces 511, a plurality of the second pipe interfaces 521 and a plurality of the third pipe interfaces 11 is not limited.

[0074] Or in other embodiments, as Figures 1 to 5As shown, the central rotary joint 5 is arranged in the water tank 3, the central rotary joint 5 includes an outer shell 51 and a rotary body 52, the outer shell 51 is fixedly arranged on the water tank 3, the rotary body 52 is nested in the outer shell 51, a plurality of first pipe interfaces 511 are arranged on the outer shell 51, a plurality of second pipe interfaces 521 are arranged on the top of the rotary body 52, a plurality of the first pipe interfaces 511 respectively correspond to a plurality of the second pipe interfaces 521 through the pipeline communication, a plurality of third pipe interfaces 11 are arranged on the outer wall of the water pipe joint 1, a plurality of the second pipe interfaces 521 respectively correspond to a plurality of the third pipe interfaces 11 through the pipeline communication, it should be noted that the pipeline in the embodiment is an oil line and an air pipe. A plurality of the first pipe interfaces 511, a plurality of the second pipe interfaces 521 and a plurality of the third pipe interfaces 11 are used for docking one or both of the oil line and the air pipe; preferably, in the embodiment, a plurality of the first pipe interfaces 511, a plurality of the second pipe interfaces 521 and a plurality of the third pipe interfaces 11 are used for docking the oil line and the air pipe, the oil line and the air pipe are concentrated and docked through a plurality of the first pipe interfaces 511 and a plurality of the second pipe interfaces 521 of the central rotary joint 5, and then a plurality of the second pipe interfaces 521 are docked with a plurality of the third pipe interfaces 11, avoiding the oil line and the air pipe winding, ensuring the orderly progress of the water supply operation, and when the rotary mechanism 4 is rotated to 360°, avoiding the oil pipe and the air pipe being pulled off or winding. Or in other embodiments, a plurality of the first pipe interfaces 511, a plurality of the second pipe interfaces 521 and a plurality of the third pipe interfaces 11 are used for docking the oil line or the air pipe. It should be noted that in the embodiment, the number of a plurality of the first pipe interfaces 511, a plurality of the second pipe interfaces 521 and a plurality of the third pipe interfaces 11 is not limited.

[0075] And a connecting mechanism 6, one end of the connecting mechanism 6 is connected with the rotary end of the rotary mechanism 4, the other end of the connecting mechanism 6 is connected with the rotary body 52, wherein by arranging the connecting mechanism 6, the rotary mechanism 4 is rotated at the same time as driving the rotary body 52 of the central rotary joint 5 to rotate synchronously, avoiding the oil pipe, the air pipe and the cable on the central rotary joint 5 being pulled off or winding, ensuring the orderly progress of the water supply operation.

[0076] Specifically, the water supply device 200 in the embodiment, the oil line, the air pipe and the cable are connected through the multiple first pipe interfaces 511 and the multiple second pipe interfaces 521 of the central rotary joint 5, and then the multiple second pipe interfaces 521 are connected with the multiple third pipe interfaces 11, so that the oil line, the air pipe and the cable are arranged on the central rotary joint 5. When the rotating mechanism 4 rotates, the rotating mechanism 4 drives the connecting mechanism 6 to rotate, the connecting mechanism 6 drives the rotating body 52 to rotate, so that the rotating body 52 can rotate synchronously with the rotating mechanism 4. Even if the rotating mechanism 4 is rotated to 360°, the oil pipe, the air pipe and the cable will not be broken or wound, which avoids the oil pipe, the air pipe and the cable from being broken or wound, and ensures the orderly operation of the water supply operation.

[0077] Optionally, in some embodiments, as shown in Figures 1 to 5 the connecting mechanism 6 includes a connecting disc 61 and multiple connecting rods 62. One end of the multiple connecting rods 62 is connected with the rotating end of the rotating mechanism 4, and the other end of the multiple connecting rods 62 is connected with the connecting disc 61. It should be noted that the number of the connecting rods 62 is not limited in the embodiment, and the connecting rods 62 can be two or more than two.

[0078] Preferably, in the embodiment, as shown in Figures 1 to 5 the connecting rods 62 are three, and the three connecting rods 62 are arranged in an equilateral triangle shape. This arrangement is to better synchronize the rotation of the rotating body 52 with the rotation of the rotating mechanism 4 when the rotating mechanism 4 rotates, so as to achieve the synchronization effect.

[0079] Optionally, in some embodiments, as shown in Figures 1 to 5 the connecting mechanism 6 further includes multiple reinforcing rods 63, and the multiple reinforcing rods 63 are arranged between the multiple adjacent connecting rods 62, so as to play a reinforcing role and further improve the stability of the synchronous rotation. It should be noted that the number of the reinforcing rods 63 is not limited in the embodiment, and the reinforcing rods 62 can be three or more than three. It should be noted that the structure of the connecting mechanism 6 in the embodiment is not limited to this, and those skilled in the art can select other suitable connecting mechanisms 6 according to the teachings of the embodiment.

[0080] Optionally, in some embodiments, as shown in Figures 1 to 5 the central rotary joint 5 is arranged in the water tank 3, and the central rotary joint 5 further includes a support seat 53. The support seat 53 is arranged at the bottom of the outer shell 51 and is fixedly connected with the bottom of the water tank 3, so as to play a fixing and supporting role. It should be noted that the structure of the central rotary joint 5 in the embodiment is not limited to this, and those skilled in the art can select other suitable central rotary joints 5 according to the teachings of the embodiment.

[0081] Optionally, in some embodiments, as shown in Figures 1 to 5 The side of the water tank 3 is provided with at least one water outlet pipe 32, so that water can be discharged from the side of the water tank 3 to supply water to different positions. The water outlet pipe 32 is provided with a control switch 33, and the control switch 33 is a ball valve. The opening and closing of the water outlet pipe 32 is controlled by the control switch 33. It should be noted that the number of water outlet pipes 32 is not limited in this embodiment, and the water outlet pipe 32 can be two or more.

[0082] Optionally, in some embodiments, as shown in Figures 1 to 5 The water supply mechanism 2 includes two flow guide pipes 21, a multi-stage telescopic water pipe, and a telescopic driving component. The water pipe joint 1 is provided with two first water outlets 12. One end of each of the two flow guide pipes 21 is in communication with a corresponding first water outlet 12. The other end of each of the two flow guide pipes 21 is in communication with the multi-stage telescopic water pipe. The flow guide pipe 21 is an arc-shaped pipe. The telescopic driving component is arranged on the outer wall of the multi-stage telescopic water pipe. The telescopic driving component is used to drive the multi-stage telescopic water pipe to extend and retract. The telescopic driving component drives the multi-stage telescopic water pipe to extend, thereby expanding the water supply range to a remote place.

[0083] Preferably, in this embodiment, as shown in Figures 1 to 5 The multi-stage telescopic water pipe includes a first water pipe 22 and a second water pipe 23. The first water pipe 22 is nested in the second water pipe 23. The first water pipe 22 is in sliding connection with the second water pipe 23. The other end of each of the two flow guide pipes 21 is in communication with the second water pipe 23. The telescopic driving component is a driving oil cylinder 24. One end of the driving oil cylinder 24 is connected with the first water pipe 22. The other end of the driving oil cylinder 24 is connected with the second water pipe 23. The driving oil cylinder 24 drives the first water pipe 22 to extend outward, thereby expanding the water supply range to a remote place. In other embodiments, the telescopic driving component can also be a driving electric cylinder or a driving air cylinder.

[0084] Optionally, in some embodiments, as shown in Figures 1 to 5As shown, the outer wall of the water pipe joint 1 is provided with a support plate 13, and the support plate 13 is located on the rotating mechanism 4; the water supply mechanism 2 further comprises a lifting component 25, one end of the lifting component 25 is connected with the support plate 13, and the other end of the lifting component 25 is connected with the multi-stage telescopic water pipe, and the lifting component 25 is used for lifting the multi-stage telescopic water pipe upward or downward. The multi-stage telescopic water pipe is driven by the lifting component 25 to be lifted upward, so as to expand the water supply range to high places. The lifting component 25 is a lifting oil cylinder, and in other embodiments, it can also be a lifting electric cylinder or a lifting gas cylinder. It should be noted that the structure of the water supply mechanism 2 of the embodiment is not limited to this, and those skilled in the art can select other suitable water supply mechanisms 2 according to the teachings of the embodiment.

[0085] Further, as shown in the drawings, ​ The embodiment relates to a fire truck, which comprises a vehicle frame 100 and a water supply device 200 arranged on the vehicle frame 100. The vehicle frame 100 is the frame structure of the whole vehicle, which is the base body of the whole vehicle, supports and connects various assemblies of the whole vehicle, keeps the relative correct positions of the various assemblies, and bears various loads inside and outside the vehicle. The fire truck can be a gasoline vehicle, a diesel vehicle, a pure electric vehicle, a hybrid vehicle or a range extended vehicle.

[0086] Finally, it should be noted that although the above-mentioned embodiments have been described in the specification and drawings of the present application, the patent protection scope of the present application should not be limited. Any technical solutions obtained by replacing or modifying the equivalent structures or equivalent processes based on the essential concept of the present application, using the contents described in the specification and drawings of the present application, and directly or indirectly implementing the technical solutions of the above-mentioned embodiments in other related technical fields, are all included in the patent protection scope of the present application.

Claims

1. A water supply device characterized by comprising: The utility model provides a water supply device, which comprises: a water pipe joint; a water supply mechanism in communication with the water pipe joint, the water supply mechanism being configured to perform a water supply operation to a remote or high place; a water tank, the water pipe joint being arranged on the water tank, the water pipe joint being connected to the water tank, the water pipe joint being in communication with the water tank, the water tank being provided with a water inlet; a rotating mechanism, the rotating mechanism being arranged on the water tank, the rotating mechanism being sleeved on an outer wall of the water pipe joint, the rotating mechanism being configured to rotate the water pipe joint; a central rotating joint, the central rotating joint being arranged in the water tank or penetrating through the water tank and being located outside the water tank, the central rotating joint comprising an outer shell and a rotating body, the outer shell being fixedly arranged, the rotating body being nested in the outer shell, the outer shell being provided with a plurality of first pipe interfaces, a top of the rotating body being provided with a plurality of second pipe interfaces, the plurality of first pipe interfaces respectively corresponding to the plurality of second pipe interfaces and being in communication with the plurality of second pipe interfaces through pipes, an outer wall of the water pipe joint being provided with a plurality of third pipe interfaces, the plurality of second pipe interfaces respectively corresponding to the plurality of third pipe interfaces and being in communication with the plurality of third pipe interfaces through pipes, the plurality of first pipe interfaces, the plurality of second pipe interfaces, and the plurality of third pipe interfaces being configured to be connected to one or more of an oil line, an air pipe, and a cable; and a connecting mechanism, one end of the connecting mechanism being connected to a rotating end of the rotating mechanism, the other end of the connecting mechanism being connected to the rotating body.

2. The water supply device according to claim 1, characterized by: The connecting mechanism comprises a connecting disc and a plurality of connecting rods, the connecting disc being connected to the top of the rotating body, one end of each of the plurality of connecting rods being connected to the rotating end of the rotating mechanism, the other end of each of the plurality of connecting rods being connected to the connecting disc.

3. The water supply device according to claim 2, characterized in that: The connecting mechanism comprises three connecting rods, the three connecting rods being arranged in an equilateral triangle.

4. A water supply device according to claim 2 or 3, characterised in that: The connecting mechanism further comprises a plurality of reinforcing rods, each of the plurality of reinforcing rods being arranged between adjacent connecting rods.

5. The water supply apparatus according to claim 1, characterized by: The central rotating joint further comprises a support seat, the support seat being arranged at the bottom of the outer shell, the support seat being fixedly connected to the water tank.

6. The water supply apparatus according to claim 1, characterized by: At least one water outlet is arranged on a side of the water tank, the water outlet being provided with a control switch.

7. The water supply apparatus according to claim 1, characterized by: The water supply mechanism comprises two flow guide pipes, a plurality of telescopic water pipes, and a telescopic driving component, the water pipe joint being provided with two first water outlets, one end of each of the two flow guide pipes corresponding to the two first water outlets and being in communication with the two first water outlets, the other end of each of the two flow guide pipes being in communication with the plurality of telescopic water pipes. The telescopic driving component is arranged on an outer wall of the plurality of telescopic water pipes, the telescopic driving component being configured to drive the plurality of telescopic water pipes to telescope.

8. The water supply device according to claim 7, characterized by: The plurality of telescopic water pipes comprise a first water pipe and a second water pipe, the first water pipe being nested in the second water pipe, the first water pipe being slidably connected to the second water pipe, the other end of each of the two flow guide pipes being in communication with the second water pipe. The telescopic driving component is a driving oil cylinder, one end of the driving oil cylinder being connected to the first water pipe, the other end of the driving oil cylinder being connected to the second water pipe.

9. A water supply device according to claim 8 or 7, characterised in that: An outer wall of the water pipe joint is provided with a support plate, the support plate being arranged on the rotating mechanism. The water supply mechanism further comprises a lifting component, one end of the lifting component is connected with the support plate, the other end of the lifting component is connected with the multi-stage telescopic water pipe, and the lifting component is used for lifting the multi-stage telescopic water pipe upward or lowering the multi-stage telescopic water pipe downward.

10. A fire apparatus characterized by, The vehicle comprises a vehicle frame and The water supply device according to any one of claims 1 to 9 is provided on the vehicle frame.

Images