Pull arm top assembly for fire emergency rescue

Abstract

The utility model discloses a pull arm top assembly for fire-fighting emergency rescue, and relates to the field of fire-fighting emergency rescue, the pull arm top assembly comprises a trailer, a support frame is fixed at the top of the trailer, a support plate is fixed in the middle of the support frame, a lifting oil cylinder is hinged to the top of the support plate, and a turnover frame is hinged to the power output end of the lifting oil cylinder. According to the device, the lifting oil cylinder is controlled to extend, so that the overturning frame can be pushed, the overturning pin shaft rotates on the overturning shaft seat, the L-shaped sliding arm is pushed out of the position above the supporting frame of the trailer, the lifting hook is used for hooking the middle of one end of a box to be transported, then the sliding arm oil cylinder is controlled to extend, the hook lock closes the opening of the lifting hook, and then the lifting oil cylinder is controlled to be shortened; the box body is driven to move on the top of the supporting frame, friction force is reduced through the rolling wheels, the box body can better fall on the top of the supporting frame, the lifting oil cylinder is controlled to stretch when the box is unloaded, and therefore the effects that the box can be rapidly loaded and unloaded, and the device is suitable for fire-fighting emergency replacement are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of fire emergency rescue, in particular to a pull arm upper device for fire emergency rescue. BACKGROUND

[0002] At present, with the occurrence of various sudden natural disasters and accidents from time to time, the role of rescue vehicles is becoming more and more important, and the functional requirements of rescue vehicles are also increasing. The rescue vehicles are equipped with various fire rescue equipment, special protective equipment for firefighters, fire breaking and pulling tools and fire source detectors, which are special fire vehicles for rescue tasks. The rescue fire vehicle is also known as rescue vehicle, rescue fire vehicle, rescue special vehicle, etc. The rescue fire vehicle has the functions of lifting, self-rescue / traction, obstacle removal, power generation, lighting, etc., and can be equipped with a large number of breaking, detection, leakage stopping, protection and other types of fire equipment or tools.

[0003] The existing rescue vehicle usually uses a fixed box truck to transport goods, which results in the need for manual or mechanical multiple times of carrying in the box, slow speed, large amount of time consumption, and large amount of manpower consumption. Therefore, the subsequent material transportation cannot be carried out until the carrying is completed, which leads to the missed best time for emergency rescue. CONTENT OF THE INVENTION

[0004] In order to solve the problem of manual or mechanical multiple times of carrying in the box, slow speed, large amount of time consumption, and large amount of manpower consumption, the present application provides a pull arm upper device for fire emergency rescue.

[0005] The pull arm upper device for fire emergency rescue provided by the present application adopts the following technical scheme: a trailer is provided, a support frame is fixed on the top of the trailer, a support plate is fixed in the middle of the support frame, a lifting oil cylinder is hinged on the top of the support plate, a turnover frame is hinged on the power output end of the lifting oil cylinder, an L-shaped sliding arm is fixed on one end of the turnover frame, a hook is fixed on one end of the L-shaped sliding arm, a hook lock is hinged on one side of the hook, the bottom end of the turnover frame is connected with the middle of the support frame, a guide rail is fixed on the end of the support frame away from the support plate, a roller is rotatably connected on the top of both ends of the guide rail, and a transverse box lock is fixed on the top of the end of the support frame away from the support plate.

[0006] By adopting the above technical scheme, the first stroke valve and the second stroke valve are installed on the transverse box lock, and the lifting oil cylinder and the sliding arm oil cylinder are controlled by the first stroke valve and the second stroke valve respectively.

[0007] Preferably, a turnover shaft seat is fixed in the middle of the support frame, a turnover pin shaft is rotatably connected in the middle of the turnover shaft seat, and the bottom end of the turnover frame is fixed with the outer wall of the turnover pin shaft.

[0008] By adopting the technical scheme, the turnover frame is pushed by controlling the extension of the lifting oil cylinder, the L-shaped slide arm is pushed out above the support frame of the trailer through the rotation of the turnover pin shaft on the turnover shaft seat, and the L-shaped slide arm is pushed to the state shown in the drawings.

[0009] Preferably, a box lock stroke valve is fixed at the middle part of the support frame, and the box lock stroke valve is used to connect with the bottom of the external box.

[0010] By adopting the technical scheme, the box placed on the top of the support frame is locked by the box lock stroke valve, so that the movement of the box on the top of the support frame during transportation is avoided.

[0011] Preferably, a first stroke valve is fixed at one end of the top of the transverse box lock, and the first stroke valve is used to limit the lifting oil cylinder.

[0012] By adopting the technical scheme, after the box is placed on the support frame, the lifting oil cylinder is limited by the first stroke valve to prevent the extension of the lifting oil cylinder caused by accidental touch.

[0013] Preferably, a second stroke valve is fixed at the other end of the top of the transverse box lock, and the second stroke valve is used to limit the slide arm oil cylinder.

[0014] By adopting the technical scheme, after the box is placed on the support frame, the slide arm oil cylinder is limited by the second stroke valve to separate the box from the hook.

[0015] Preferably, the horizontal height of the roller is greater than the horizontal height of the guide rail, and the two ends of the two rollers are fixed with limiting blocks, and the outer wall of the limiting block is arc-shaped.

[0016] By adopting the technical scheme, when the box is loaded, after the hook is connected with the box, the lifting oil cylinder is shortened to drive the box to move on the top of the support frame, the bottom of the box is supported by the roller to prevent the box from directly contacting the bottom of the support frame, the friction is reduced by the roller, so that the box can be better placed on the top of the support frame, and the box is limited by the limiting block to prevent the box from being separated from the roller.

[0017] Preferably, the turnover frame and the L-shaped slide arm are hollow, the slide arm oil cylinder is fixed on the inner wall of the turnover frame, and the power output end of the slide arm oil cylinder is hinged with the hook lock through a connecting rod.

[0018] By adopting the technical scheme, when the box is installed, the hook is used to hook the middle part of one end of the box to be transported, the slide arm oil cylinder is controlled to be extended, the opening of the hook is closed by the hook lock, so that the box can be kept in close connection with the hook during installation.

[0019] In summary, the present application has at least the following beneficial technical effects:

[0020] 1. The application can push the turnover frame by controlling the extension of the lifting cylinder, rotate the turnover pin shaft on the turnover shaft seat, push the L-shaped slide arm out of the support frame of the trailer, hook the middle part of one end of the box to be transported with the hook, control the extension of the slide arm cylinder, make the hook lock close the opening of the hook, then control the shortening of the lifting cylinder to move the top of the box support frame, reduce the friction through the roller, so that the box can better fall on the top of the support frame, and the box can be unloaded by controlling the extension of the lifting cylinder, so that the box can be quickly loaded and unloaded, and the effect of emergency replacement of fire fighting is achieved;

[0021] 2. After the box is positioned, the first stroke valve is used to limit the lifting cylinder to prevent the lifting cylinder from extending due to accidental touch, the second stroke valve is used to limit the slide arm cylinder to place the box and the hook apart, and the box lock stroke valve is used to lock the box placed on the top of the support frame, so that the box on the top of the support frame does not move during transportation, thereby achieving the effect of safer use. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic view of the overall structure of the embodiment of the application and the trailer;

[0023] Figure 2 It is a schematic view of the overall structure of the embodiment of the application when hooking the box;

[0024] Figure 3 It is a schematic view of the overall structure of the embodiment of the application during the process of hooking the box;

[0025] Figure 4 It is a schematic view of the overall structure of the embodiment of the application after the process of hooking the box is completed;

[0026] The drawings show that: 1, trailer; 2, support frame; 21, support plate; 3, lifting cylinder; 4, slide arm cylinder; 5, turnover frame; 6, L-shaped slide arm; 61, hook; 62, hook lock; 7, turnover pin shaft; 8, transverse box lock; 9, first stroke valve; 10, second stroke valve; 11, turnover shaft seat; 12, box lock stroke valve; 13, guide rail; 14, roller; 15, limiting block. DETAILED DESCRIPTION

[0027] The following will be described in detail in combination with the drawings Figures 1-4 The application will be further described in detail.

[0028] The embodiment of the application discloses a pull arm upper device for fire emergency rescue, which comprises a trailer 1, a support frame 2 is fixed on the top of the trailer 1, a support plate 21 is fixed in the middle of the support frame 2, a lifting oil cylinder 3 is hinged on the top of the support plate 21, a turnover frame 5 is hinged on the power output end of the lifting oil cylinder 3, an L-shaped sliding arm 6 is fixed on one end of the turnover frame 5, a hook 61 is fixed on one end of the L-shaped sliding arm 6, a hook lock 62 is hinged on one side of the hook 61, the middle part of one end of the box to be transported is hooked by the hook 61, the box is sleeved on the hook 61 by the hook lock 62 to prevent the box from falling off, the bottom end of the turnover frame 5 is connected with the middle part of the support frame 2, a guide rail 13 is fixed on the end of the support frame 2 away from the support plate 21, a roller 14 is rotatably connected to the top of the two ends of the guide rail 13, a transverse box lock 8 is fixed on the top of the end of the support frame 2 away from the support plate 21, a first stroke valve 9 and a second stroke valve 10 are installed on the transverse box lock 8, and the lifting oil cylinder 3 and the sliding arm oil cylinder 4 are respectively controlled through the first stroke valve 9 and the second stroke valve 10.

[0029] Reference is made to the accompanying drawings Figure 2 Wherein the middle part of the support frame 2 is fixed with a turnover shaft seat 11, the turnover pin shaft 7 is rotatably connected to the middle part of the turnover shaft seat 11, and the bottom end of the turnover frame 5 is fixed to the outer wall of the turnover pin shaft 7. By controlling the elongation of the lifting oil cylinder 3, the turnover frame 5 can be pushed, the L-shaped sliding arm 6 is pushed out of the support frame 2 of the trailer 1 by rotating the turnover pin shaft 7 on the turnover shaft seat 11, and the L-shaped sliding arm 6 is pushed to the state shown in the description and the accompanying drawings. Figure 2

[0030] Reference is made to the accompanying drawings Figure 2 Wherein the middle part of the support frame 2 is fixed with a box lock stroke valve 12, the box lock stroke valve 12 is used for being connected with the bottom of the external box, the box placed on the top of the support frame 2 is locked by the box lock stroke valve 12, and the movement of the box on the top of the support frame 2 during the transportation of the trailer 1 is avoided.

[0031] Reference is made to the accompanying drawings Figure 2 Wherein the first stroke valve 9 and the second stroke valve 10 are fixed on the top of the transverse box lock 8, the first stroke valve 9 is used for limiting the lifting oil cylinder 3, and the second stroke valve 10 is used for limiting the sliding arm oil cylinder 4. After the box is placed on the support frame 2, the lifting oil cylinder 3 is limited by the first stroke valve 9 to prevent the lifting oil cylinder 3 from being elongated due to accidental touch, and the sliding arm oil cylinder 4 is limited by the second stroke valve to separate the box from the hook 61.

[0032] Reference is made to the accompanying drawings Figure 3 ​Wherein the horizontal height of the rollers 14 is greater than the horizontal height of the guide rails 13, and the two ends of the two rollers 14 are fixed with limit blocks 15, the outer wall of the limit blocks 15 is arc-shaped, when the box is loaded, after the lifting of the hook 61 is completed, the lifting cylinder 3 is shortened, driving the box support frame 2 top to move, supporting the bottom of the box through the rollers 14, preventing the box from directly contacting the bottom of the support frame 2, reducing the friction through the rollers 14, so that the box can better fall on the top of the support frame 2, limiting the box through the limit block 15, preventing the box from separating from the rollers 14.

[0033] Reference drawings Figure 2 Wherein the turnover frame 5 and the L-shaped sliding arm 6 are hollow, the inner wall of the turnover frame 5 is fixed with the sliding arm cylinder 4, the power output end of the sliding arm cylinder 4 is hinged with the hook lock 62 through the connecting rod, when the box is installed, the middle part of one end of the box to be transported is hooked with the hook 61, then the sliding arm cylinder 4 is controlled to extend, so that the hook lock 62 closes the opening of the hook 61, so that the box can be kept in close connection with the hook 61 during installation.

[0034] The implementation principle of the pull arm upper loading for fire emergency rescue is: first, control the lifting cylinder 3 to extend, that is, the turnover frame 5 is pushed, the L-shaped sliding arm 6 is pushed out above the support frame 2 of the trailer 1 through the rotation of the turnover pin shaft 7 on the turnover shaft seat 11, the middle part of one end of the box to be transported is hooked with the hook 61, then the sliding arm cylinder 4 is controlled to extend, so that the hook lock 62 closes the opening of the hook 61, so that the box can be kept in close connection with the hook 61 during installation, then the lifting cylinder 3 is controlled to shorten, driving the box support frame 2 top to move, supporting the bottom of the box through the rollers 14, preventing the box from directly contacting the bottom of the support frame 2, reducing the friction through the rollers 14, so that the box can better fall on the top of the support frame 2, limiting the box through the limit block 15, preventing the box from separating from the rollers 14, after the box is positioned, the lifting cylinder 3 is limited through the first stroke valve 9, preventing the lifting cylinder 3 from extending due to accidental touch, the sliding arm cylinder 4 is limited through the second stroke valve, placing the box away from the hook 61, the box placed on the top of the support frame 2 is locked through the box lock stroke valve 12, avoiding the movement of the box on the top of the support frame 2 during the transportation of the trailer 1.

[0035] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A pull arm upper device for fire emergency rescue, comprising a trailer (1), a support frame (2) is fixed on the top of the trailer (1), a support plate (21) is fixed in the middle of the support frame (2), a lifting oil cylinder (3) is hinged on the top of the support plate (21), characterized in that: The power output end of the lifting oil cylinder (3) is hinged with a turnover frame (5), one end of the turnover frame (5) is fixedly provided with an L-shaped sliding arm (6), one end of the L-shaped sliding arm (6) is fixedly provided with a lifting hook (61), one side of the lifting hook (61) is hinged with a hook lock (62), the bottom end of the turnover frame (5) is connected with the middle part of the support frame (2), the end of the support frame (2) away from the support plate (21) is fixedly provided with a guide rail (13), the top of both ends of the guide rail (13) is rotatably connected with a roller (14), and the top of the end of the support frame (2) away from the support plate (21) is fixedly provided with a transverse box body lock (8).

2. The pull arm upper assembly for fire emergency rescue according to claim 1, characterized in that: The middle part of the support frame (2) is fixedly provided with a turnover shaft base (11), the middle part of the turnover shaft base (11) is rotatably connected with a turnover pin shaft (7), and the bottom end of the turnover frame (5) is fixedly connected with the outer wall of the turnover pin shaft (7).

3. The pull arm upper assembly of claim 1, wherein: The middle part of the support frame (2) is fixedly provided with a box body lock stroke valve (12), and the box body lock stroke valve (12) is used to be connected with the bottom of the external box body.

4. The pull arm upper assembly of claim 1, wherein: The top of the transverse box body lock (8) is fixedly provided with a first stroke valve (9), and the first stroke valve (9) is used to limit the lifting oil cylinder (3).

5. The pull arm upper assembly of claim 1, wherein: The top of the transverse box body lock (8) is fixedly provided with a second stroke valve (10), and the second stroke valve (10) is used to limit the sliding arm oil cylinder (4).

6. The pull arm upper assembly of claim 1, wherein: The horizontal height of the roller (14) is greater than that of the guide rail (13), and the two ends of the two rollers (14) are fixedly provided with a limiting block (15), and the outer wall of the limiting block (15) is arc-shaped.

7. The pull arm upper assembly of claim 1, wherein: The turnover frame (5) and the L-shaped sliding arm (6) are hollow, the sliding arm oil cylinder (4) is fixedly arranged on the inner wall of the turnover frame (5), and the power output end of the sliding arm oil cylinder (4) is hinged with the hook lock (62) through a connecting rod.

Images