Quick connecting device and fire fighting truck

Abstract

The utility model relates to the technical field of fire fighting equipment installation, in particular to a quick connecting device and a fire fighting truck, the quick connecting device comprises an upper connecting frame, a lower connecting frame and a quick connecting mechanism, the lower connecting frame is provided with an insertion limiting hole, the quick connecting mechanism is connected with the lower connecting frame, one end of the upper connecting frame is inserted into the lower connecting frame, and the other end of the upper connecting frame is inserted into the lower connecting frame; the upper connecting frame is detachably connected with the lower connecting frame through a quick connecting mechanism, the quick connecting mechanism comprises a connecting base, a positioning rod, a spring, a baffle and a driving moving part, a mounting shaft is arranged at the lower end of the upper connecting frame, an annular positioning groove is formed in the outer wall of the lower end of the mounting shaft, and the positioning rod abuts against the annular positioning groove of the mounting shaft to enable the mounting shaft to be in limiting connection with the lower connecting frame; the fire fighting truck comprises the fire fighting truck working bucket, the quick connecting device is arranged on the fire fighting truck working bucket, the lower connecting frame is fixedly connected with the fire fighting truck working bucket, and the quick connecting device is ingenious in structure, convenient to install, detachable, low in maintenance cost and free of occupying the internal space of the working bucket.

Description

Technical Field

[0001] This utility model relates to the field of fire equipment installation technology, specifically to a quick connection device and a fire truck. Background Technology

[0002] Aerial fire trucks are equipment that rely on lifting booms or ladders to achieve high-altitude fire fighting and rescue, as well as the transport of supplies and firefighters. Existing fire rescue equipment such as fire monitors, rotating stretchers, and demolition tools are usually fixed inside the fire truck's work platform. This presents several drawbacks: First, installation is inconvenient due to the limited space inside the work platform and the large size of the equipment. Operators standing inside the platform face space constraints, making installation difficult. Second, fire monitors, for example, are often welded into the work platform, requiring operators to climb up for maintenance, which is inconvenient. Furthermore, if the equipment malfunctions, the connected work platform also needs to be replaced, increasing operating costs. Third, placing fire rescue equipment, such as fire monitors, inside the work platform occupies the space needed for personnel to stand and makes it difficult for rescued individuals to enter the platform, significantly reducing the operational and rescue space. Summary of the Invention

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a quick connection device and fire truck working bucket that is ingeniously structured, easy to install, detachable, low in maintenance cost, and does not occupy the internal space of the working bucket.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A quick-connection device is characterized by comprising an upper connecting frame, a lower connecting frame, and a quick-connection mechanism. The lower connecting frame is provided with an insertion limiting hole. The quick-connection mechanism is connected to the lower connecting frame. The upper connecting frame is opposite to the lower connecting frame. One end of the upper connecting frame is inserted into the lower connecting frame and is detachably connected to the lower connecting frame via the quick-connection mechanism. This facilitates the installation of fire and rescue equipment on the upper connecting frame and the lower connecting frame on the work bucket during use. The equipment can be fixed on the work bucket by inserting and fixing the upper connecting frame and the lower connecting frame, making assembly and disassembly convenient.

[0006] The quick-connect mechanism of this utility model includes a connecting seat, a positioning rod, a spring, a baffle, and a driving moving component. The lower end of the upper connecting frame is provided with a mounting shaft, the upper end of which is fixedly connected to the upper connecting frame. The lower outer wall of the mounting shaft is provided with an annular positioning groove. A connecting seat is provided on one side of the lower connecting frame, and the connecting seat is fixedly connected to the lower connecting frame. A connecting hole is provided inside the connecting seat, and a positioning rod passes through the connecting hole. The connecting hole communicates with an insertion limiting hole. The mounting shaft is inserted into the insertion limiting hole, and one end of the positioning rod protrudes from the connecting hole and connects with the mounting shaft. The mounting shaft abuts against the annular positioning groove, limiting the connection between the mounting shaft and the lower connecting frame. The other end of the positioning rod passes through the spring, exits through the connecting hole, and is fixedly connected to the baffle. The spring is placed inside the connecting hole, with one end abutting against the limiting platform fixed to the outer wall of the positioning rod, and the other end abutting against the inner wall of the connecting hole. A driving moving component is provided on one side of the baffle. The baffle is driven to move by the driving moving component to connect the upper connecting frame and the lower connecting frame through the positioning rod. The driving baffle drives the positioning rod to push out of the annular positioning groove, realizing the separation of the upper connecting frame and the lower connecting frame.

[0007] The driving moving component of this utility model includes a driving block and a driving rod. The driving block is provided between the baffle and the lower connecting frame. The driving rod is provided on the driving block and is fixedly connected to the driving block. The driving rod is hinged to the lower connecting frame. The driving block is an eccentric block. The driving block abuts against the baffle to facilitate the rotation of the driving block by the driving rod, thereby realizing the extension and retraction of the baffle with the positioning rod.

[0008] The end of the driving block that abuts against the baffle in this invention is arc-shaped, so that it can better fit against the baffle, increase the contact area between the two baffles, and drive the baffle to move quickly and effectively.

[0009] The lower end of the mounting shaft of this utility model is provided with two annular positioning grooves at intervals. Two connecting seats are provided on one side of the lower connecting frame. The two connecting seats are spaced apart and a driving block is provided between the two connecting seats. A support block is provided on one side of the connecting seat. The support block is fixedly connected to the connecting seat. The baffle is located between the two support blocks. One end of the driving rod is hinged to the support block, and the other end of the driving rod extends away from the lower connecting frame to form a driving handle, so as to facilitate the rotation of the driving block by the driving handle, thereby realizing the movement of the baffle relative to the lower connecting frame.

[0010] The upper connecting frame of this utility model includes a fixed plate and a mounting shaft. The upper end of the mounting shaft is fixedly connected to the fixed plate. The fixed plate is provided with a fixing hole. The upper end of the lower connecting frame is provided with a fixing post. The lower end of the fixing post is fixedly connected to the lower connecting frame. The mounting shaft is inserted into the insertion limiting hole, and the fixing post passes through the fixing hole to limit and fix the mounting shaft to prevent the mounting shaft from rotating, thereby limiting the rotation of the fire rescue equipment on the upper connecting frame.

[0011] The present invention has a detection hole on one side of the insertion limiting hole, and a sensor is provided through the detection hole. The sensor is fixedly connected to the lower connecting frame so as to sense whether the mounting shaft is inserted into the lower connecting frame.

[0012] The sensor described in this invention is a proximity switch.

[0013] The lower connecting frame of this utility model is provided with a mounting hole at its lower end to facilitate fixing the lower connecting frame to the working bucket frame through the mounting hole.

[0014] A fire truck includes a fire truck working basket, characterized in that: the fire truck working basket is provided with the aforementioned quick connection device, and the lower connecting frame is fixedly connected to the upper end face of the side wall of the fire truck working basket, so that the lower connecting frame can be fixed to the upper end face of the side wall of the fire truck working basket during use, which is convenient to assemble and disassemble and does not occupy the internal space of the working basket.

[0015] This utility model, due to the above-mentioned structure, has the advantages of ingenious structure, convenient installation, detachability, low maintenance cost, and no occupation of the internal space of the working bucket. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of the quick-connect device of this utility model.

[0017] Figure 2 This is a cross-sectional view of the quick-connect device of this utility model.

[0018] Figure 3 This is an enlarged schematic diagram of the upper connecting frame of this utility model.

[0019] Figure 4 This is an enlarged schematic diagram of the lower connecting frame of this utility model.

[0020] Figure 5 This is a schematic diagram of the utility model installed on the upper part of the working basket of a fire truck.

[0021] Reference numerals: Upper connecting frame 1, Lower connecting frame 2, Quick connecting mechanism 3, Insertion limiting hole 4, Connecting seat 5, Positioning rod 6, Spring 7, Baffle 8, Drive moving part 9, Mounting shaft 10, Annular positioning groove 11, Drive block 12, Drive rod 13, Support block 14, Drive handle 15, Fixing through hole 16, Fixing column 17, Sensor 18, Fixing plate 19. Detailed Implementation

[0022] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0023] A quick-connection device, characterized in that it includes an upper connecting frame 1, a lower connecting frame 2, and a quick-connection mechanism 3. The lower connecting frame 2 is provided with an insertion limiting hole 4. The quick-connection mechanism 3 is connected to the lower connecting frame 2. The upper connecting frame 1 and the lower connecting frame 2 are opposite to each other. One end of the upper connecting frame 1 is inserted into the lower connecting frame 2. The upper connecting frame 1 and the lower connecting frame 2 are detachably connected via the quick-connection mechanism 3. This facilitates the installation of fire rescue equipment on the upper connecting frame and the lower connecting frame on the work bucket during use. The equipment can be fixed on the work bucket by inserting and fixing the upper connecting frame and the lower connecting frame. The device is easy to assemble and disassemble.

[0024] The quick-connect mechanism 3 of this utility model includes a connecting seat 5, a positioning rod 6, a spring 7, a baffle 8, and a driving moving component 9. The lower end of the upper connecting frame 1 is provided with a mounting shaft 10, the upper end of which is fixedly connected to the upper connecting frame 1, and the lower outer wall is provided with an annular positioning groove 11. A connecting seat 5 is provided on one side of the lower connecting frame 2, and the connecting seat 5 is fixedly connected to the lower connecting frame 2. A connecting hole is provided inside the connecting seat 5, and the positioning rod 6 passes through the connecting hole. The connecting hole communicates with an insertion limiting hole 4. The mounting shaft 10 is inserted into the insertion limiting hole 4, and one end of the positioning rod 6 protrudes from the connecting hole. The mounting hole abuts against the annular positioning groove 11 of the mounting shaft 10, limiting the connection between the mounting shaft 10 and the lower connecting frame 2. The other end of the positioning rod 6 passes through the spring 7, exits the connecting hole, and is fixedly connected to the baffle 8. The spring 7 is placed inside the connecting hole, with one end abutting against the limiting platform fixed to the outer wall of the positioning rod 6 and the other end abutting against the inner wall of the connecting hole. A driving moving part 9 is provided on one side of the baffle 8. The baffle 8 is driven to move by the driving moving part 9 to connect the upper connecting frame and the lower connecting frame through the positioning rod. The driving baffle drives the positioning rod to push out of the annular positioning groove, realizing the separation of the upper connecting frame and the lower connecting frame.

[0025] The driving and moving component 9 of this utility model includes a driving block 12 and a driving rod 13.

[0026] A drive block 12 is provided between the baffle 8 and the lower connecting frame 2. A drive rod 13 is provided on the drive block 12. The drive rod 13 is fixedly connected to the drive block 12 and hinged to the lower connecting frame 2. The drive block 12 is an eccentric block. The drive block 12 abuts against the baffle 8 to facilitate the rotation of the drive block by the drive rod, thereby realizing the extension and retraction of the baffle with the positioning rod.

[0027] The drive block 12 of this invention has an arc-shaped end that abuts against the baffle 8, so that the arc shape can better fit against the baffle, increase the contact area between the drive block 12 and the baffle, and drive the baffle to move quickly and effectively.

[0028] The lower outer wall of the mounting shaft 10 of this utility model is provided with two annular positioning grooves 11 spaced apart. Two connecting seats 5 are provided on one side of the lower connecting frame 2. The two connecting seats 5 are spaced apart and a driving block 12 is provided between the two connecting seats 5. A support block 14 is provided on one side of the connecting seat 5. The support block 14 is fixedly connected to the connecting seat 5. The baffle 8 is located between the two support blocks 14. One end of the driving rod 13 is hinged to the support block 14. The other end of the driving rod 13 extends away from the lower connecting frame 2 to form a driving handle 15, so as to facilitate the rotation of the driving block through the driving handle, thereby realizing the movement of the baffle relative to the lower connecting frame.

[0029] The upper connecting frame 1 of this utility model includes a fixed plate 19 and a mounting shaft 10. The upper end of the mounting shaft 10 is fixedly connected to the fixed plate 19. The fixed plate 19 is provided with a fixing through hole 16. The upper end of the lower connecting frame 2 is provided with a fixing post 17. The lower end of the fixing post 17 is fixedly connected to the lower connecting frame 2. The mounting shaft 10 is inserted into the insertion limiting hole 4. The lower end face of the fixed plate 19 abuts against the upper end face of the insertion limiting hole 4. The fixing post 17 passes through the fixing through hole 16 to circumferentially limit and fix the mounting shaft 10 to prevent the mounting shaft from rotating, thereby limiting the rotation of the fire rescue equipment on the upper connecting frame.

[0030] The present invention has a detection hole on one side of the insertion limiting hole 4, and a sensor 18 is provided on the detection hole. The sensor 18 is fixedly connected to the lower connecting frame 2 so as to sense whether the mounting shaft is inserted into the lower connecting frame.

[0031] The sensor 18 described in this invention is a proximity switch.

[0032] The lower connecting frame 2 of this utility model has a mounting hole at its lower end to facilitate fixing the lower connecting frame to the working bucket frame through the mounting hole.

[0033] A fire truck includes a fire truck working basket, characterized in that: the fire truck working basket is provided with the aforementioned quick connection device, and the lower connecting frame 2 is fixedly connected to the upper end face of the side wall of the fire truck working basket, so that when in use, the lower connecting frame can be fixed to the upper end face of the side wall of the fire truck working basket, which is convenient to assemble and disassemble and does not occupy the internal space of the working basket.

[0034] As attached Figure 1-5The fire truck is an existing fire truck, and the working bucket on the fire truck also has an existing structure. During installation, the lower connecting frame 2 can have mounting holes or a fixed mounting flange at its lower end. It is then fixedly connected to the working bucket via these holes or flanges. The lower connecting frame 2 can be fixed to the upper side wall of the fire truck's working bucket, saving internal space. The insertion limiting hole 4 of the lower connecting frame 2 faces upwards. Existing fire rescue equipment, such as fire monitors, rotating stretchers, and demolition tools, are fixedly connected to the upper end face of the upper connecting frame 1. In use, the mounting shaft 10 of the upper connecting frame 1 can be inserted into the insertion limiting hole 4 of the lower connecting frame 2. The positioning rod 6 abuts against the annular positioning groove 11 of the mounting shaft 10, axially positioning the mounting shaft 10 and preventing it from moving up or down. Simultaneously, as the mounting shaft 10 is inserted into the insertion limiting hole 4 of the lower connecting frame 2, the upper end face of the lower connecting frame 2 abuts against the fixed plate 19, and the fixing post 17 at the upper end of the lower connecting frame 2 enters the fixing through hole 16 of the fixed plate 19. The mounting shaft 10 is circumferentially positioned so that it cannot rotate relative to the lower connecting frame 2. In this embodiment, two fixing posts 17 are spaced apart on the lower connecting frame 2. The number of fixing posts 17 is selected according to requirements. The number of fixing holes 16 on the fixing plate 19 should not be less than the number of fixing posts 17. In this way, the upper connecting frame 1 and the lower connecting frame 2 are fixedly connected. That is, the fire rescue equipment installed on the upper connecting frame 1 is fixed to the upper end face of the side wall of the work bucket. This does not occupy the space for the operator to stand inside the work bucket, and it is easy to disassemble and assemble. When the fire equipment needs to be maintained, the drive handle 15 can be rotated. The drive handle 15 rotates the drive block 12. The drive block 12 is an eccentric block. When the drive block 12 rotates, it pushes the baffle 8 away from the lower connecting frame. The frame 2 moves in one direction, so the baffle 8 pulls the positioning rod 6 away from the lower connecting frame 2, pulling the positioning rod 6 out of the annular positioning groove 11 of the mounting shaft 10. Then, the mounting shaft 10 is pulled upward to pull out the lower connecting frame 2, thus separating the upper connecting frame 1 and the lower connecting frame 2 that connect the fire-fighting equipment. At this time, the fire-fighting equipment and the upper connecting frame 1 can be placed in a convenient place for maintenance. This utility model has a clever structure and is easy to assemble and disassemble. The positioning rod 6 can be connected to the baffle 8 by a nut, which makes it easy to assemble and disassemble. In addition, the space at the upper end of the side wall of the working bucket is much larger than the space inside the working bucket, which allows multiple lower connecting frames 2 to be installed on the side wall of the working bucket at the same time. This allows for the installation of multiple fire-fighting equipment and greatly saves the internal space of the working bucket.

[0035] This utility model, due to the above-mentioned structure, has the advantages of ingenious structure, convenient installation, detachability, low maintenance cost, and no occupation of the internal space of the working bucket.

Claims

1. A quick-connect device, characterized in that: It includes an upper connecting frame (1), a lower connecting frame (2) and a quick connection mechanism (3). The lower connecting frame (2) is provided with an insertion limiting hole (4). The quick connection mechanism (3) is connected to the lower connecting frame (2). One end of the upper connecting frame (1) is inserted into the lower connecting frame (2) and is detachably connected to the lower connecting frame (2) via the quick connection mechanism (3).

2. The quick connection device according to claim 1, characterized in that: The quick-connect mechanism (3) includes a connecting seat (5), a positioning rod (6), a spring (7), a baffle (8), and a driving moving component (9). The lower end of the upper connecting frame (1) is provided with an installation shaft (10), the upper end of which is fixedly connected to the upper connecting frame (1), and the lower outer wall is provided with an annular positioning groove (11). The lower connecting frame (2) is provided with a connecting seat (5) on one side, which is fixedly connected to the lower connecting frame (2). The connecting seat (5) is provided with a connecting hole, and the positioning rod (6) passes through the connecting hole. The connecting hole is connected to the insertion limiting hole (4). The shaft (10) is inserted into the insertion limiting hole (4). One end of the positioning rod (6) passes through the connecting hole and abuts against the annular positioning groove (11) of the mounting shaft (10), limiting the connection between the mounting shaft (10) and the lower connecting frame (2). The other end of the positioning rod (6) passes through the spring (7), passes through the connecting hole and is fixedly connected to the baffle (8). The spring (7) is placed in the connecting hole. One end of the spring (7) abuts against the limiting platform fixed on the outer wall of the positioning rod (6), and the other end abuts against the inner wall of the connecting hole. A driving moving part (9) is provided on one side of the baffle (8). The baffle (8) is driven to move by the driving moving part (9).

3. The quick connection device according to claim 2, characterized in that: The driving moving component (9) includes a driving block (12) and a driving rod (13). The driving block (12) is provided between the baffle (8) and the lower connecting frame (2). The driving rod (13) is provided on the driving block (12). The driving rod (13) is fixedly connected to the driving block (12). The driving rod (13) is hinged to the lower connecting frame (2). The driving block (12) is an eccentric block. The driving block (12) abuts against the baffle (8).

4. The quick connection device according to claim 3, characterized in that: The lower end of the mounting shaft (10) has two annular positioning grooves (11) spaced apart on its outer wall. The lower connecting frame (2) has two connecting seats (5) on one side, which are spaced apart. A driving block (12) is provided between the two connecting seats (5). A support block (14) is provided on one side of the connecting seat (5). The support block (14) is fixedly connected to the connecting seat (5). The baffle (8) is located between the two support blocks (14). One end of the driving rod (13) is hinged to the support block (14). The other end of the driving rod (13) extends away from the lower connecting frame (2) to form a driving handle (15).

5. A quick connection device according to claim 3 or 4, characterized in that: The end of the drive block (12) that abuts against the baffle (8) is arc-shaped.

6. A quick connection device according to claim 1, 2, 3, or 4, characterized in that: The upper connecting frame (1) includes a fixed plate (19) and a mounting shaft (10). The upper end of the mounting shaft (10) is fixedly connected to the fixed plate (19). The fixed plate (19) is provided with a fixing hole (16). The upper end of the lower connecting frame (2) is provided with a fixing post (17). The fixing post (17) passes through the fixing hole (16). The lower end of the fixing post (17) is fixedly connected to the lower connecting frame (2) to limit and fix the upper connecting frame (1).

7. A quick connection device according to claim 1, 2, 3, or 4, characterized in that: A detection hole is provided on one side of the insertion limiting hole (4), and a sensor (18) is provided on the detection hole. The sensor (18) is fixedly connected to the lower connecting frame (2).

8. A quick connection device according to claim 7, characterized in that: The sensor (18) is a proximity switch.

9. A quick connection device according to claim 1, 2, 3, 4, or 8, characterized in that: The lower connecting frame (2) has a mounting hole at its lower end.

10. A fire truck, comprising a fire truck working platform, characterized in that: The fire truck work basket is provided with the quick connection device as described in any one of claims 1-9, and the lower connecting frame (2) is fixedly connected to the fire truck work basket.

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