An assembled fire-fighting pipe tightening machine

Abstract

The present invention belongs to the field of pipeline tooling, and specifically relates to an assembled fire-fighting pipe tightening tool; it comprises a bracket, an electric control box, a hydraulic box, an operating box, a rotating device, and a clamping device; the rotating device comprises a driver and a chuck, the driver is mounted on the hydraulic box, the driver is drivingly connected to the chuck, and the driver is connected to the hydraulic box; the clamping device comprises a support seat, a fixed head, a moving head, and a transmission device; the support seat is mounted on the hydraulic box, the fixed head and the transmission device are both mounted on the support seat, the moving head is mounted on the driving end of the transmission device, the fixed head and the moving head are placed opposite to each other, and inner grooves are provided at their corresponding positions; compared with the prior art, the present invention has the following advantages: (1) small installation space, convenient operation, and improved work efficiency; (2) preset clamping force and rotational torque to standardize the tightening of fire-fighting pipes.

Description

Technical Field

[0001] The invention relates to the field of pipeline tooling, and in particular to an assembled fire-fighting pipeline tightening tool. Background Art

[0002] Firefighting pipes refer to pipe materials used in building firefighting to connect firefighting equipment and devices and to transport firefighting water, gas or other media. Due to special needs, the thickness and material of firefighting pipes have special requirements, and they are sprayed with red paint to transport firefighting water. The elbows at their interfaces are tightened manually with pipe clamps, which is time-consuming and labor-intensive, and their sealing cannot be guaranteed. Based on this situation, it is particularly urgent to develop a standardized tightening tool that saves time and effort. Summary of the invention

[0003] In view of the above problems, the present invention specifically designs an assembled fire-fighting pipe tightening tool, which is a tool specially used for tightening fire-fighting pipes.

[0004] To achieve the above-mentioned purpose, the present invention provides an assembled fire-fighting pipe tightening tool, comprising a bracket, an electric control box, a hydraulic box, an operating box, a rotating device, and a clamping device;

[0005] The electric control box, hydraulic box and operating box are all installed on the bracket;

[0006] The rotating device comprises a driver and a chuck, wherein the driver is mounted on the hydraulic box, the driver is drivingly connected to the chuck, and the driver is connected to the hydraulic box;

[0007] The clamping device is installed on the hydraulic box and comprises a clamping part, the clamping part clamps the pipe body of the fire-fighting pipe, and the clamp clamps the elbow of the fire-fighting pipe.

[0008] Preferably, the driver is a hydraulic motor, and the hydraulic motor is connected to the hydraulic box.

[0009] Furthermore, the clamping device includes a support seat, a clamping part and a transmission device; the clamping part includes a fixed head and a movable head; the support seat is installed on the hydraulic box, the fixed head and the transmission device are both installed on the support seat, the movable head is connected to the driving end of the transmission device, the fixed head and the movable head are placed opposite to each other, and inner grooves are provided at corresponding positions of the two, the two inner grooves form a clamping cavity for clamping the fire-fighting pipe, and the inner grooves are provided with raised serrations, and their functions are: each component is installed on the same bracket to save space, and is clamped by the hydraulic system, and the hydraulic system drives the clamp to rotate, which is simple to operate and easy to install, while the working environment is good and the noise is low.

[0010] Furthermore, the hydraulic box includes a hydraulic system, which is connected to the transmission device and the driver; the control valve in the hydraulic system is communicatively connected to the electric control box, and the electric control box is communicatively connected to the operating box; the electric control box is externally connected to a power supply.

[0011] Furthermore, the operation box is provided with a start button, an operation panel and a close button; the start button and the close button are both communicatively connected to the operation panel; the operation panel is communicatively connected to the electric control box; their functions are to preset the torque value of the chuck and the clamping force of the transmission device through the operation panel, and when the chuck reaches the preset torque and the tightening distance reaches the preset requirements, it indicates that the elbow is tightened in place.

[0012] Preferably, four symmetrical universal rollers are arranged below the bracket.

[0013] Preferably, a square groove is provided on the chuck, and its horizontal height is adapted to the inner grooves on the fixed head and the movable head.

[0014] Preferably, the electric control box is a PLC control box; the hydraulic system is an oil pressure pump station; the transmission device is a hydraulic cylinder-hydraulic rod transmission; and the moving head is mounted on the hydraulic rod.

[0015] In summary, the assembled fire protection pipe tightening tool of the present invention has the following advantages and beneficial technical effects:

[0016] 1. The assembled fire-fighting pipe tightening tool of the present invention is easy to install and occupies little space;

[0017] 2. The assembled fire-fighting pipe tightening machine of the present invention adopts an operation panel control, one-key clamping, one-key tightening, easy operation, and improved work efficiency and pipe tightening quality;

[0018] 3. The assembled fire-fighting pipe tightening machine of the present invention can set the clamping force of the clamping device on the operation panel. When the chuck on the rotating device tightens the elbow under the drive of the driver, the preset torque value is used. When the chuck reaches the preset torque and the tightening distance reaches the preset requirement, it means that the elbow is tightened in place. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 It is a three-dimensional schematic diagram of an assembled fire-fighting pipe tightening tool of the present invention with an electric control box in front;

[0021] Figure 2It is a three-dimensional schematic diagram of an assembled fire-fighting pipe tightening tool of the present invention with a hydraulic box in front.

[0022] The reference numerals in the accompanying drawings are:

[0023] 1- bracket; 2- electric control box;

[0024] 3-hydraulic box; 31-hydraulic system;

[0025] 4-operation box; 41-start button; 41-operation panel; 43-close button;

[0026] 5-rotating device; 51-driver; 52-chuck;

[0027] 6-clamping device; 61-support seat; 62-fixed head; 63-moving head; 64-transmission device. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the implementation of the present invention clearer, the technical solution in the embodiment of the present invention will be described in more detail below in conjunction with the drawings in the embodiment of the present invention. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions; the described embodiments are part of the embodiments of the present invention, not all of the embodiments; the embodiments and directional terms described below with reference to the drawings are exemplary and intended to be used to explain the present invention, and cannot be understood as limitations on the present invention; based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. The embodiments of the present invention are described in detail below in conjunction with the drawings:

[0029] [Example 1]:

[0030] like Figure 1 and Figure 2 As shown, an assembled fire-fighting pipe tightening tool includes a bracket 1, an electric control box 2, a hydraulic box 3, an operating box 4, a rotating device 5, and a clamping device 6; the electric control box 2, the hydraulic box 3, and the operating box 4 are all installed on the bracket 1, the rotating device 5 includes a driver 51 and a chuck 52, the driver 51 is installed on the hydraulic box 3, the driver 51 is drivingly connected to the chuck 52, and the driver 51 is connected to the hydraulic box 3.

[0031] like Figure 2 As shown, preferably, the driver 51 is a hydraulic motor, and the hydraulic motor is connected to the hydraulic box 3 through a pipeline.

[0032] like Figure 1 and Figure 2As shown, the clamping device 6 includes a support seat 61, a fixed head 62, a moving head 63 and a transmission device 64; the support seat 61 is installed on the hydraulic box 3, the fixed head 62 and the transmission device 64 are both installed on the support seat 61, the moving head 63 is fixedly installed on the transmission device 64, and can move under the drive of the transmission device 64, the fixed head 62 and the moving head 63 are placed opposite to each other, and inner grooves are provided at their corresponding positions, the two inner grooves form a clamping cavity for clamping the fire pipe, and the inner grooves are provided with raised serrations for clamping and fixing the fire pipe.

[0033] like Figure 1 and Figure 2 As shown, the hydraulic box 3 includes a hydraulic system 31, the hydraulic system 31 is connected to the transmission device 64, the solenoid valve in the hydraulic system 31 is communicated with the electric control box 2, and the electric control box 2 is communicated with the operation box 4; the electric control box 2 is externally connected to a power source.

[0034] like Figure 1 and Figure 2 As shown, the operation box 4 is provided with a start button 41, an operation panel 42 and a close button 43; the start button 41 and the close button 43 are both connected to the operation panel 42 for communication, and the operation panel 42 is connected to the electric control box 2 for communication, and the torque value of the chuck 52 and the thrust provided by the transmission device 64 can be pre-set on the operation panel 42.

[0035] like Figure 1 and Figure 2 As shown, preferably, four symmetrical universal rollers are arranged below the bracket 1 .

[0036] like Figure 1 and Figure 2 As shown, preferably, a square groove is provided on the chuck 52 , and its horizontal height is adapted to the inner grooves on the fixed head 62 and the movable head 63 .

[0037] like Figure 1 and Figure 2 As shown, preferably, the electric control box 2 is a PLC control box; the hydraulic system 31 is an oil pressure pump station, the transmission device 64 is a hydraulic cylinder-hydraulic rod transmission, and the moving head 63 is installed on the hydraulic rod.

[0038] The working process of the assembled fire-fighting pipe tightening tool of the present invention is as follows: the electric control box 2 is powered on, the hydraulic system 31 is controlled to open the moving head 63 through the transmission device 64, and the pipe and elbow assembly to be tightened are placed in the clamping cavity formed by the inner grooves of the fixed head 62 and the moving head 63, and then the clamping force provided by the transmission device 64 and the torque value of the clamp 52 are set on the operation panel 42. At this time, the electric control box 2 controls the hydraulic system 31 to push the moving head 63 to move toward the fixed head 62 until the pipe body of the pipe and elbow assembly is clamped. , let the movable head 63 and the fixed head 62 clamp the pipe body through the upward convex serrations so that the pipe body cannot rotate. Then the hydraulic system 31 controls the hydraulic motor to rotate, drives the clamp 52 to rotate, and tightens the elbow. During the initial tightening process, the elbow is tightened relative to the pipe body, and the pipe body is fixed by the clamping cavity and does not rotate. When the clamp reaches the preset torque and the tightening distance reaches the preset requirement, the pipe body will rotate because the torque exceeds the clamping force, indicating that the elbow is tightened in place. At this time, the control operation panel 42 stops tightening, takes out the assembly, and proceeds to tighten the next pipe and elbow.

[0039] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An assembled fire-fighting pipe tightening machine, characterized in that: It comprises a bracket (1), an electric control box (2), a hydraulic box (3), an operating box (4), a rotating device (5), and a clamping device (6); The electric control box (2), the hydraulic box (3), and the operating box (4) are all installed on the bracket (1); The rotating device (5) comprises a driver (51) and a chuck (52), wherein the driver (51) is mounted on the hydraulic box (3), the driver (51) is drivingly connected to the chuck (52), and the driver (51) is connected to the hydraulic box (3); The clamping device (6) is installed on the hydraulic box (3), and comprises a clamping part, the clamping part clamps the pipe body of the fire-fighting pipe, and the clamping head (52) clamps the elbow of the fire-fighting pipe; The driver (51) is a hydraulic motor, and the hydraulic motor is connected to the hydraulic box (3); The clamping device (6) comprises a support seat (61), a clamping part and a transmission device (64); the clamping part comprises a fixed head (62) and a movable head (63); the support seat (61) is mounted on the hydraulic box (3); the fixed head (62) and the transmission device (64) are both mounted on the support seat (61); the movable head (63) is connected to a driving end of the transmission device (64); the fixed head (62) and the movable head (63) are placed opposite to each other, and inner grooves are provided at corresponding positions of the two inner grooves, the two inner grooves form a clamping cavity for clamping the fire-fighting pipe, and the inner grooves are provided with raised saw teeth; The hydraulic box (3) comprises a hydraulic system (31), and the hydraulic system (31) is connected to the transmission device (64) and the driver (51); The operation box (4) is provided with a start button (41), an operation panel (42) and a close button (43); The method for tightening the elbow on the assembled fire protection pipe is as follows: the electric control box (2) is connected to the power supply, and the hydraulic system (31) is first controlled to open the movable head (63) through the transmission device (64), and the pipe and elbow assembly to be tightened are placed in the clamping cavity formed by the inner grooves of the fixed head (62) and the movable head (63), and then the clamping force provided by the transmission device (64) and the torque value of the clamping head (52) are set on the operation panel (42). At this time, the electric control box (2) controls the hydraulic system (31) to push the movable head (63) to move toward the fixed head (62) until the pipe and elbow assembly are clamped. The pipe body of the assembly is clamped by the movable head (63) and the fixed head (62) through the convex serrations so that the pipe body cannot rotate. Then the hydraulic system (31) controls the hydraulic motor to rotate, driving the clamp (52) to rotate and tighten the elbow. In the initial tightening process, the elbow is tightened relative to the pipe body, and the pipe body is fixed by the clamping cavity and does not rotate. When the clamp reaches the preset torque and the tightening distance reaches the preset requirement, the pipe body will rotate because the torque exceeds the clamping force, indicating that the elbow is tightened in place. At this time, the control operation panel (42) stops tightening, takes out the assembly, and performs the tightening work of the next pipe and elbow.

2. The assembled fire-fighting pipe tightening tool according to claim 1 is characterized in that: The control valve in the hydraulic system (31) is connected to the electric control box (2) in communication, and the electric control box (2) is connected to the operating box (4) in communication; the electric control box (2) is connected to an external power supply.

3. The assembled fire-fighting pipe tightening tool according to claim 2 is characterized in that: The start button (41) and the close button (43) are both connected in communication with the operation panel (42); and the operation panel (42) is connected in communication with the electric control box (2).

4. The assembled fire protection pipe tightening tool according to claim 3 is characterized in that: Four symmetrical universal rollers are arranged below the bracket (1).

5. The assembled fire-fighting pipe tightening tool according to claim 4 is characterized in that: The clamping head (52) is provided with a square groove, and its horizontal height is adapted to the inner grooves on the fixed head (62) and the movable head (63).

6. The assembled fire-fighting pipe tightening tool according to claim 5 is characterized in that: The electric control box (2) is a PLC control box; the hydraulic system (31) is an oil pressure pump station; the transmission device (64) is a hydraulic cylinder-hydraulic rod transmission; and the moving head (63) is installed on the hydraulic rod.

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