Lifting guardrail for fire fighting truck roof and fire fighting truck

Abstract

The utility model relates to the field of fire fighting truck protection devices, in particular to a lifting guardrail for a fire fighting truck roof and a fire fighting truck, the lifting guardrail comprises a guardrail cross rod, the guardrail cross rod is used for being longitudinally arranged along the fire fighting truck, a plurality of supporting rods are hinged to the guardrail cross rod, the supporting rods are arranged along the guardrail cross rod, and the supporting rods are arranged on the guardrail cross rod. The top ends of the supporting rods are hinged to the guardrail transverse rod, the bottom ends of the supporting rods are hinged to limiting rods, the limiting rods are used for being connected with a fire fighting truck, at least one supporting rod is connected with a driving mechanism, and the driving mechanism is used for driving the supporting rods to rotate relative to the limiting rods. The lifting guardrail can stretch out to be higher than the fire fighting truck roof during use and retract when not used, the situation that the overall height of the fire fighting truck is affected by the arrangement of the guardrail is avoided, the fire fighting truck roof is protected through the guardrail structure, the falling risk is reduced, and the operation safety is improved.

Description

Technical Field

[0001] The utility model relates to the field of fire truck protection devices, in particular to a lifting guardrail for a fire truck roof and a fire truck. Background Art

[0002] It is a routine operation for firefighters to climb onto the roof of a fire truck to conduct rescue operations at the nearest fire scene or carry out equipment maintenance, servicing, and adding fire extinguishing agents. The top of the fire truck is more than 2m high, which is considered high-altitude work. According to relevant management regulations, operators are required to wear protective equipment such as safety helmets, belts, non-slip shoes, safety belts, safety hooks, etc. to protect the operator's head, torso, etc.

[0003] However, the existing fire trucks do not have guardrail structures on their roofs. This is mainly because the height of the fire truck body is already relatively high. If a guardrail structure is added, the height of the body will be further increased, which is not conducive to the fire truck driving in the height-restricted areas in the city. As a result, operators can only perform rescue standing on the roof without guardrails, which not only poses a risk of falling, but also makes it easy to get injured in sudden situations such as high temperature and explosion that occur nearby.

[0004] Therefore, there is an urgent need for a technical solution to solve the technical problem that the existing fire truck roof has no guardrail structure, which makes it easy for operators to fall and get injured. Utility Model Content

[0005] The utility model aims to provide a lifting guardrail for the roof of a fire truck and a fire truck to solve the technical problem that the roof of the existing fire truck has no guardrail structure, which makes it easy for operators to fall and get injured.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A lifting guardrail for the roof of a fire truck comprises a guardrail cross bar, the guardrail cross bar is used to be arranged longitudinally along the fire truck, a plurality of support rods are hinged on the guardrail cross bar, and the plurality of support rods are arranged along the guardrail cross bar, the top end of the support rod is hinged to the guardrail cross bar, and the bottom end is hinged to a limit rod, and the limit rod is used to be connected to the fire truck, and a driving mechanism is connected to at least one of the support rods, and the driving mechanism is used to drive the support rod to rotate relative to the limit rod.

[0008] The utility model discloses a lifting guardrail for the roof of a fire truck. A driving mechanism drives a support rod to rotate, thereby driving a change in the height of a cross bar of the guardrail, and adjusting the overall height of the lifting guardrail so that the lifting guardrail can be extended to be higher than the roof of the fire truck when in use, and retracted when not in use, thereby preventing the setting of the guardrail from affecting the overall height of the fire truck, and protecting the roof of the fire truck through the guardrail structure, thereby reducing the risk of falling and improving operational safety.

[0009] As a preferred solution of the utility model, the driving mechanism includes an electric lifting cylinder, one end of which is hinged to the roof of the fire truck and the other end is hinged to a slider, the slider is limitedly connected to the support rod, and the electric lifting cylinder is connected to a vehicle-mounted power storage mechanism. The vehicle-mounted power storage mechanism provides kinetic energy for the lifting and lowering of the guardrail, and the automatic lifting and lowering control of the guardrail is achieved through the extension and retraction of the electric lifting cylinder.

[0010] As a preferred solution of the utility model, the driving mechanism is connected to a lifting control switch, and the lifting control switch is arranged in the cab and / or the rear operating room of the fire truck, so as to realize the lifting control of the guardrail in the cab and / or the rear operating room of the fire truck, and improve the flexibility of the use of the guardrail.

[0011] As a preferred solution of the utility model, the height of the support rod is set to 80-90 cm, and the height of the limit rod is set to 25-35 cm.

[0012] As a preferred solution of the utility model, the limit rod is detachably connected to the fire truck through a limit piece, a slot is provided on the limit rod, the limit piece is provided in the slot, and the slot vertically penetrates the bottom end of the limit rod. The limit rod is connected to the side of the fire truck roof through the limit piece, and the height of the limit rod relative to the fire truck roof can be adjusted by the cooperation of the slot and the limit piece, thereby realizing a small range adjustment of the overall height of the guardrail, further avoiding the setting of the guardrail affecting the overall height of the fire truck.

[0013] As a preferred solution of the utility model, the guardrail crossbar includes a hollow bar, a plurality of spray holes are arranged on the guardrail crossbar, one end of the guardrail crossbar is connected to a water supply pipe, the water supply pipe is connected to a water tank in the vehicle, a water supply valve and a power mechanism are arranged on the water supply pipe, the water supply valve includes an electric water supply valve, the electric water supply valve is controlled to connect a spray switch, and the spray switch is arranged in the cab and / or the rear operating room of the fire truck. Water can be introduced into the guardrail and sprayed out through the guardrail crossbar, spraying the roof area, cooling the fire truck as a whole, and providing effective protection for the operator on the roof.

[0014] As a preferred solution of the utility model, the spray hole is detachably connected to an atomizing nozzle, and the atomizing nozzle is arranged toward the roof of the fire truck, so as to avoid discomfort to the operator caused by the spraying of water at the guardrail.

[0015] As a preferred solution of the utility model, the water supply pipeline is connected to a drainage pipe, a drainage valve is arranged on the drainage pipe, and the drainage valve includes an electric drainage valve, the electric drainage valve is controlled to connect a drainage switch, and the drainage switch is arranged in the cab and / or the rear operating room of the fire truck, so that the water in the guardrail can be manually drained to avoid water accumulation affecting the service life of the guardrail.

[0016] As a preferred solution of the utility model, the lifting control switch, the spray switch and the discharge switch are integrated in a control box, and the control box is arranged in the cab and / or the rear operating room of the fire truck, so that the lifting control of the guardrail, the spray protection control and the drainage control can be completed in the cab and / or the rear operating room of the fire truck.

[0017] A fire truck, wherein the above-mentioned lifting guardrails for the roof of the fire truck are arranged opposite to each other on both sides of the roof.

[0018] The fire truck of the utility model adopts the above-mentioned lifting guardrail for the roof of the fire truck, which can provide protection for the operator through the setting of the guardrail and reduce the risk of falling. The guardrail can be raised and lowered to avoid the setting of the guardrail affecting the overall height of the fire truck, thereby facilitating the smooth movement of the fire truck in urban areas.

[0019] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0020] 1. The utility model is a lifting guardrail for the roof of a fire truck. The driving mechanism drives the support rod to rotate, thereby driving the height of the guardrail crossbar to change, and adjusting the overall height of the lifting guardrail so that the lifting guardrail can be extended to be higher than the roof of the fire truck when in use, and retracted when not in use, so as to avoid the setting of the guardrail affecting the overall height of the fire truck, so that the roof of the fire truck is protected by the guardrail structure, reducing the risk of falling and improving the safety of operation;

[0021] 2. The utility model provides a lifting guardrail for the roof of a fire truck. By introducing water into the guardrail and spraying it out through the guardrail crossbar, the roof area is sprayed for protection, the fire truck as a whole is cooled and protected, and effective protection is provided for the operator on the roof;

[0022] 3. The fire truck of the utility model adopts the above-mentioned lifting guardrail on the roof of the fire truck, which can provide protection for the operator through the setting of the guardrail and reduce the risk of falling. The guardrail can be raised and lowered to avoid the setting of the guardrail affecting the overall height of the fire truck, thereby facilitating the smooth movement of the fire truck in urban areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a lifting guardrail for a fire truck roof in a raised state according to the utility model;

[0024] Figure 2 It is a structural schematic diagram of a lifting guardrail for a fire truck roof in a descending state according to the utility model;

[0025] Figure 3 is a schematic diagram of the structure of the power supply circuit described in Example 1;

[0026] Figure 4 This is a schematic structural diagram of a lifting guardrail for a fire truck roof according to Embodiment 2;

[0027] Figure 5 yes Figure 4 A schematic diagram of the structure with a partial enlargement at the center;

[0028] Figure 6 It is a structural schematic diagram of the fire truck described in Example 4.

[0029] icon:

[0030] 1- guardrail cross bar, 11- spray hole, 2- support rod, 3- limit rod, 31- slot, 32- limit piece, 4- driving mechanism, 41- slide block, 5- vehicle-mounted power storage mechanism, 6- water supply pipe, 61- water supply valve, 62- drain pipe, 63- drain valve, 7- water tank, 8- power mechanism, 9- control box, 91- lifting control switch, 92- spray switch, 93- discharge switch, 94- power switch, 10- fire truck. DETAILED DESCRIPTION

[0031] The utility model is described in detail below in conjunction with the accompanying drawings.

[0032] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0033] Example 1

[0034] like Figure 1-Figure 3 As shown, a lifting guardrail for the roof of a fire truck comprises a guardrail cross bar 1, wherein the guardrail cross bar 1 is arranged longitudinally along the fire truck 10, and a plurality of support rods 2 are hinged on the guardrail cross bar 1, and the plurality of support rods 2 are arranged in an array along the guardrail cross bar 1, and the top ends of the support rods 2 are hinged to the guardrail cross bar 1, and the bottom ends are hinged to the limit rods 3, and the limit rods 3 are vertically connected to the body of the fire truck 10, and a driving mechanism 4 is connected to the support rod 2 closest to the longitudinal front or rear side of the fire truck 10, and the driving mechanism 4 drives the support rod 2 to rotate relative to the limit rod 3 through its own extension or shortening action, so as to raise or lower the guardrail cross bar 1.

[0035] The present embodiment is a lifting guardrail for the roof of a fire truck, wherein the limit rod 3 is fixedly arranged on the roof of the fire truck 10 or on the side of the roof, the limit rod 3 and the support rod 2 are hinged by a universal joint, and the support rod 2 and the guardrail cross bar 1 are hinged by a universal joint connecting a clamp structure, that is, one end of the universal joint is connected or fixed to the clamp structure that can clamp the guardrail cross bar 1, and the guardrail cross bar 1 is an integral rod member, which is arranged along the longitudinal direction of the fire truck 10. It can be understood that the longitudinal direction is the direction from the front end to the rear end of the fire truck 10. The support rod 2 is driven to rotate by the driving mechanism 4, and then the height of the guardrail cross bar 1 is changed, and the overall height of the lifting guardrail is adjusted, so that the lifting guardrail can be extended to be higher than the roof of the fire truck 10 when in use, and folded when not in use, so as to avoid the setting of the guardrail affecting the overall height of the fire truck 10, so that the roof of the fire truck 10 is protected by the guardrail structure, the risk of falling is reduced, and the operational safety is improved.

[0036] Preferably, the driving mechanism 4 includes an electric lifting cylinder, one end of which is hinged to the roof of the fire truck 10, and the other end is hinged to a slider 41, the slider 41 is limitedly connected to the support rod 2, and the electric lifting cylinder is connected to a vehicle-mounted power storage mechanism 5. Preferably, the driving mechanism 4 is arranged on the side of the guardrail close to the cab of the fire truck 10, the driving mechanism 4 is connected to a lifting control switch 91, and the lifting control switch 91 is further connected to the vehicle-mounted power storage mechanism 5, and the lifting control switch 91 is arranged in the cab and / or the rear operating room of the fire truck 10. The vehicle-mounted power storage mechanism 5 provides kinetic energy for the lifting of the guardrail, realizes automatic lifting control of the guardrail, and realizes the lifting control of the guardrail in the cab and / or the rear operating room of the fire truck 10, thereby improving the flexibility of the use of the guardrail.

[0037] In this embodiment, the vehicle-mounted power storage mechanism 5 is preferably a DC12V battery, which is connected to the lifting electric cylinder on the roof through a power line. A lifting control switch 91 for controlling the extension and retraction of the lifting electric cylinder is arranged on the power line between the lifting electric cylinder and the battery. Preferably, a power switch 94 is also arranged on the power line to realize automatic lifting control of the lifting guardrail.

[0038] Preferably, the support rod 2 is set to a height of 85 cm, and the limit rod 3 is set to a height of 30 cm, so that the height of the guardrail after it is raised can meet the protection requirements, and the overall height of the fire truck 10 is less affected after it is folded.

[0039] Example 2

[0040] like Figure 1-Figure 6 As shown, in this embodiment, a lifting guardrail for the roof of a fire truck is used, and the limit rod 3 is detachably connected to the fire truck 10 through a limit member 32. A slot 31 is provided on the limit rod 3, and the limit member 32 is provided in the slot 31. The slot 31 vertically penetrates the bottom end of the limit rod 3.

[0041] The present embodiment is a lifting guardrail for the roof of a fire truck, wherein the limit rod 3 is vertically arranged, and a slot 31 penetrating the bottom of the limit rod 3 is vertically arranged on the limit rod 3. A limit piece 32 is arranged on the side wall of the fire truck 10, and the limit piece 32 can be a bolt or a handle component with a screw, so that after the limit piece 32 is loosened, the limit rod 3 can move relative to the limit piece 32, thereby changing the height of the top of the limit piece 32 relative to the fire truck 10, and then the limit piece 32 is locked, and the limit piece 32 is pressed against the limit rod 3 to the fire truck 10 to fix the limit rod 3, so as to facilitate the small range adjustment of the height of the lifting guardrail according to the actual situation when the lifting guardrail is installed, so as to reduce the difficulty of installing the lifting guardrail and further avoid the setting of the guardrail affecting the overall height of the fire truck 10.

[0042] Example 3

[0043] like Figure 1-Figure 6 As shown, the present embodiment is a lifting guardrail for the roof of a fire truck, the guardrail cross bar 1 includes a hollow bar, a plurality of spray holes 11 are arranged on the guardrail cross bar 1, one end of the guardrail cross bar 1 is connected to a water supply pipe 6, the water supply pipe 6 is connected to a water tank 7 in the vehicle, a water supply valve 61 and a power mechanism 8 are arranged on the water supply pipe 6, the water supply valve 61 includes an electric water supply valve 61, the electric water supply valve 61 controls the connection to a spray switch 92, and the spray switch 92 is arranged in the cab and / or the rear operating room of the fire truck 10.

[0044] The present embodiment is a lifting guardrail for the roof of a fire truck. The guardrail cross bar 1 is made of a hollow circular tube. The end of the guardrail cross bar 1 close to the rear of the fire truck 10 is connected to a water supply pipe 6 through a quick-connect joint. The end of the water supply pipe 6 away from the guardrail cross bar 1 is connected to a water supply valve 61. The water supply valve 61 is further connected to a fire pump in the fire truck 10. The fire pump is connected to a water tank 7 in the fire truck 10, so that the fire pump is used as a power mechanism 8 to drive the water in the water tank 7 along the water supply pipe 6 into the guardrail cross bar 1 and output from the spray hole 11 on the guardrail cross bar 1, so as to spray the roof of the fire truck 10 for protection, cool the fire truck 10 as a whole, and provide effective protection for the operators on the roof. When the fire truck 10 returns to the site, the water supply pipe 6 is removed and put into the fire truck 10.

[0045] Preferably, the spray hole 11 is detachably connected to an atomizing nozzle, and the atomizing nozzle is arranged toward the roof of the fire truck 10. That is, the atomizing nozzle sprays toward the roof of the fire truck 10 in an oblique downward manner to avoid discomfort to the operator caused by the spraying water at the guardrail.

[0046] Preferably, the water supply pipe 6 is connected to the drain pipe 62, and a drain valve 63 is provided on the drain pipe 62. The drain valve 63 includes an electric drain valve 63, and the electric drain valve 63 controls the connection of a discharge switch 93, and the discharge switch 93 is provided in the cab and / or the rear operating room of the fire truck 10. In this embodiment, the drain pipe 62 is preferably connected to the water supply pipe 6 between the water supply valve 61 and the guardrail cross bar 1, and the drain pipe 62 is vertically arranged, and the bottom of the drain pipe 62 serves as a drain port. The drain pipe 62 is provided with a discharge switch 93, so that the water in the guardrail can be manually discharged to prevent water accumulation from affecting the service life of the guardrail.

[0047] Preferably, the lifting control switch 91, the spray switch 92 and the discharge switch 93 are integrated in the control box 9, and the control box 9 is arranged in the cab and / or the rear operating room of the fire truck 10. The lifting control of the guardrail, the spray protection control and the automatic control of the drainage are completed in the cab and / or the rear operating room of the fire truck 10. In this embodiment, the control box 9 is preferably arranged in the rear operating room of the fire truck 10, so that the operating box is closer to the fire pump.

[0048] Example 4

[0049] like Figure 6 As shown, a fire truck 10 has lift guardrails for the roof of a fire truck as described in Example 3 arranged on both sides of the roof of the fire truck 10.

[0050] The fire truck 10 of this embodiment adopts the above-mentioned lifting guardrail for the roof of the fire truck, which can provide protection for the operator through the setting of the guardrail, reduce the risk of falling, and avoid the setting of the guardrail affecting the overall height of the fire truck 10 by raising and lowering the guardrail, thereby facilitating the smooth movement of the fire truck 10 in urban areas. At the same time, by introducing water into the guardrail cross bar 1 and outputting it from the spray hole 11, spray protection for the roof range is achieved, further improving the protection effect on the operator.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting guardrail for a fire truck roof, characterized in that: The invention comprises a guardrail cross bar (1), wherein the guardrail cross bar (1) is used to be arranged longitudinally along a fire truck (10); a plurality of support rods (2) are hingedly connected to the guardrail cross bar (1), and the plurality of support rods (2) are arranged in an array along the guardrail cross bar (1); the top end of the support rod (2) is hingedly connected to the guardrail cross bar (1), and the bottom end is hingedly connected to a limit rod (3), and the limit rod (3) is used to be connected to the fire truck (10); at least one of the support rods (2) is connected to a driving mechanism (4), and the driving mechanism (4) is used to drive the support rod (2) to rotate relative to the limit rod (3).

2. A lifting guardrail for a fire truck roof as claimed in claim 1, characterized in that: The driving mechanism (4) comprises an electric lifting cylinder, one end of which is hinged to the roof of the fire truck (10) and the other end of which is hinged to a slider (41), the slider (41) being position-limitingly connected to the support rod (2), and the electric lifting cylinder being connected to an on-board power storage mechanism (5).

3. A lifting guardrail for a fire truck roof as claimed in claim 2, characterized in that: The driving mechanism (4) is connected to a lifting control switch (91), and the lifting control switch (91) is arranged in a driving cab and / or a rear operating room of a fire truck (10).

4. A lifting guardrail for a fire truck roof as claimed in claim 1, characterized in that: The height of the support rod (2) is set to 80-90 cm, and the height of the limiting rod (3) is set to 25-35 cm.

5. The lifting guardrail for the roof of a fire truck as claimed in claim 1, characterized in that: The limiting rod (3) is detachably connected to the fire truck (10) via a limiting member (32); a slot (31) is provided on the limiting rod (3); the limiting member (32) is arranged in the slot (31); and the slot (31) vertically penetrates the bottom end of the limiting rod (3).

6. A lifting guardrail for a fire truck roof as claimed in claim 3, characterized in that: The guardrail cross bar (1) comprises a hollow bar, a plurality of spray holes (11) are arranged on the guardrail cross bar (1), one end of the guardrail cross bar (1) is connected to a water supply pipe (6), the water supply pipe (6) is connected to a water tank (7) in the vehicle, a water supply valve (61) and a power mechanism (8) are arranged on the water supply pipe (6), the water supply valve (61) comprises an electric water supply valve (61), the electric water supply valve (61) controls the connection to a spray switch (92), and the spray switch (92) is arranged in the driving cab and / or the rear operating room of the fire truck (10).

7. A lifting guardrail for a fire truck roof as claimed in claim 6, characterized in that: The spray hole (11) is detachably connected to an atomizing nozzle, and the atomizing nozzle is arranged toward the roof of the fire truck (10).

8. The lifting guardrail for the roof of a fire truck as claimed in claim 6, characterized in that: The water supply pipe (6) is connected to a drain pipe (62), a drain valve (63) is provided on the drain pipe (62), the drain valve (63) comprises an electric drain valve (63), the electric drain valve (63) controls the connection of a drain switch (93), and the drain switch (93) is provided in the driving cab and / or the rear operating room of the fire truck (10).

9. A lifting guardrail for a fire truck roof as claimed in claim 8, characterized in that: The lifting control switch (91), the spray switch (92) and the discharge switch (93) are integrated in a control box (9), and the control box (9) is arranged in a driving cab and / or a rear operating room of a fire truck (10).

10. A fire truck, characterized in that: A lifting guardrail for the roof of a fire truck (10) as described in any one of claims 6 to 9 is arranged opposite to each other on both lateral sides of the roof of the fire truck (10).

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