A clamping device for connecting plastic pipes

Abstract

The utility model discloses a clamping device for connecting plastic pipes, including a base plate, hydraulic legs are arranged at the four corners of the base plate, crossbeams are arranged at the tops of the hydraulic legs on both sides of the base plate, telescopic pressing plates are arranged in the middle of the crossbeams, corresponding support mechanisms are arranged on the base plate directly below the telescopic pressing plates, a fixed plate is arranged between the support mechanisms, a through hole is opened at the center of the fixed plate, an empty groove is arranged in the fixed plate, a clamp is arranged in the empty groove, an annular slide rail is arranged on one side of the fixed plate, and a hot melt connection mechanism is arranged on the slide rail. The beneficial effects of the utility model are as follows: the universal wheel of the utility model makes the clamping device easy to carry, the hydraulic leg structure adjusts the support balance to ensure the stability of the clamping device, the connected pipes are fully fixed by the horizontal and longitudinal clamping structures, and then the pipes to be connected are hot-melt connected by the telescopic hot melt welding joint arranged on the slider of the circular slide rail, which is simple to operate and can effectively save manpower and material resources.

Description

Technical Field

[0001] The utility model relates to the technical field related to plastic pipe processing, in particular to a clamping device used for connecting plastic pipes. Background Art

[0002] Plastic pipes are chemical building materials made of high-tech composites, and chemical building materials are the fourth largest category of new building materials in contemporary times after steel, wood, and cement. Chemical building materials have made great progress and rapid development in my country, especially the widespread use of new environmentally friendly plastic pipes, which has set off a revolution to replace traditional building materials. Plastic pipes are widely used in building water supply and drainage, urban water supply and drainage, and gas pipes due to their advantages such as small water flow loss, energy saving, material saving, ecological protection, and convenient completion, and have become the main force of urban construction pipe networks in the new century. In the process of plastic pipe processing, it is usually necessary to connect plastic pipes. Generally, large plastic pipes are connected by hot melt connection, which often requires additional clamping devices to clamp them, and then hot melt connection is performed. Each connection requires the disassembly and transportation of the clamping device, which wastes manpower and material resources, and the stability of the clamping device is also insufficient. Utility Model Content

[0003] In view of the above-mentioned deficiencies, the utility model aims to provide a clamping device for connecting plastic pipes. The mobile design makes the clamping device easy to carry, and the support balance is adjusted by the hydraulic support leg structure to ensure the stability of the clamping device. The connected pipes are fully fixed by the transverse and longitudinal clamping structures, and the pipes to be connected are hot-melt connected by a telescopic hot-melt welding joint arranged on a slider of a circular slide rail. The operation is simple and can effectively save manpower and material resources.

[0004] The technical solution of the utility model is as follows:

[0005] A clamping device for connecting plastic pipes, comprising a base plate, hydraulic support legs are provided at the four corners of the base plate, two parallel beams are provided at the top of the hydraulic support legs on both sides of the base plate, telescopic pressure plates are provided in the middle of the beams, corresponding support mechanisms are provided on the base plate directly below the telescopic pressure plates, a pair of fixed plates are provided between the support mechanisms, a through hole is opened at the center of the fixed plate, an empty groove is provided in the fixed plate, clamps are symmetrically provided in the empty groove about the through hole, an annular slide rail is provided on the fixed plate on one side of the base plate, and a hot melt connection mechanism is provided on the slide rail.

[0006] Furthermore, the telescopic pressure plate includes a hydraulic telescopic rod and an arc-shaped lower pressure plate, the hydraulic telescopic rod is vertically arranged in the middle of the beam, and the arc-shaped lower pressure plate is arranged at the top end of the hydraulic telescopic rod.

[0007] Furthermore, the supporting mechanism includes a fixed seat, a fixed ear seat, a connecting shaft, a fixed rod and an arc-shaped support plate. Two symmetrical fixed seats are provided on the bottom plate directly below the arc-shaped lower pressure plate in a longitudinal arrangement direction. The fixed ear seat is provided between the fixed seats. The fixed ear seat is connected upward to the fixed rod. The fixed rod is provided with the arc-shaped support plate. Corresponding connecting holes are provided on the fixed seat and the fixed ear seat, and the connecting shaft is provided in the connecting hole.

[0008] Furthermore, symmetrical fixing holes are provided on both sides of the connecting hole, and a fixing shaft is provided in the fixing hole.

[0009] Furthermore, two pairs of symmetrical hydraulic telescopic rods are arranged on both sides of the empty slot in a horizontal direction and in a vertical direction, and the clamping plates are arranged on the top ends of the hydraulic telescopic rods.

[0010] Furthermore, a universal wheel is provided at the bottom of the base plate, and a handle is provided at one side of the base plate.

[0011] Furthermore, the hot melt connection mechanism includes a slider, a hot melt welding joint is provided on the slider, the arc-shaped support plate and the through hole are coaxial, and the hot melt welding joint points to the axial centerline.

[0012] The beneficial effects of the utility model are as follows: the utility model makes it easy to carry the clamping device for connecting large pipelines through a mobile design, and then adjusts the support balance through the hydraulic support leg structure to ensure the stability of the clamping device, and fully fixes the connected pipelines through the transverse and longitudinal clamping structures, and then hot-melts the pipelines to be connected through the telescopic hot-melt welding joints arranged on the sliders of the circular slide rails. The operation is simple and can effectively save manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the support mechanism of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the fixing plate of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the hot-melt connection mechanism of the utility model;

[0017] Figure 5 It is a structural schematic diagram of connecting pipelines when the utility model is implemented.

[0018] In the figure: 1-bottom plate, 2-hydraulic support leg, 21-crossbeam, 3-telescopic pressure plate, 31-arc lower pressure plate, 4-support mechanism, 40-fixed rod, 41-fixed seat, 42-fixed ear seat, 43-connecting shaft, 44-arc support plate, 45-fixed shaft, 5-fixed plate, 51-through hole, 52-empty groove, 53-clamp, 6-slide rail, 61-hot melt connection mechanism, 611-slider, 612-hot melt welding joint, 7-handle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Combination Figures 1 to 5 Shown:

[0021] A clamping device for connecting plastic pipes comprises a base plate 1, hydraulic legs 2 are arranged at the four corners of the base plate 1, two parallel beams 21 are arranged at the top of the hydraulic legs 2 on both sides of the base plate 1, telescopic pressing plates 3 are arranged in the middle of the beams 21, the telescopic pressing plates 3 comprise a hydraulic telescopic rod and an arc-shaped lower pressing plate 31, the hydraulic telescopic rod is vertically arranged in the middle of the beam 21, and the arc-shaped lower pressing plate 31 is arranged at the top of the hydraulic telescopic rod.

[0022] A corresponding supporting mechanism 4 is provided on the bottom plate 1 directly below the telescopic pressing plate 3, and the supporting mechanism 4 includes a fixing seat 41, a fixing ear seat 42, a connecting shaft 43, a fixing rod 40 and an arc-shaped supporting plate 44. Two symmetrical fixing seats 41 are arranged in a longitudinal direction on the bottom plate 1 directly below the arc-shaped lower pressing plate 31, and a fixing ear seat 42 is provided between the fixing seats 41. The fixing ear seat 42 is connected to the fixing rod 40 upward, and an arc-shaped supporting plate 44 is provided on the fixing rod 40. Corresponding connecting holes are provided on the fixing seat 41 and the fixing ear seat 42, and a connecting shaft 43 is provided in the connecting hole. A stable supporting structure is obtained through the cooperation of the above-mentioned mechanisms.

[0023] A pair of fixed plates 5 are provided between the supporting mechanisms 4, a through hole 51 is opened at the center of the fixed plate 5, a hollow groove 52 is provided in the fixed plate 5, and a clamping plate 53 is symmetrically provided in the hollow groove 52 about the through hole 51. An annular slide rail 6 is provided on the fixed plate 5 on one side of the bottom plate 1, and a hot melt connection mechanism 61 is provided on the slide rail 6. The hot melt connection mechanism 61 includes a slider 611, and a hot melt welding joint 612 is provided on the slider 611. The hot melt welding joint 612 is connected to the slider 611 through a hydraulic telescopic rod. The arc-shaped supporting plate 44 is coaxial with the through hole 51, and the hot melt welding joint 612 points to the axis to ensure the accuracy of the hot melt welding joint.

[0024] Symmetrical fixing holes are provided on both sides of the connecting hole, and a fixing shaft 45 is provided in the fixing hole. Two pairs of symmetrical hydraulic telescopic rods are provided on both sides of the empty slot 52 in a horizontal direction and in a vertical direction. A clamping plate 53 is provided on the top of the hydraulic telescopic rod for clamping in a horizontal position.

[0025] A universal wheel is provided at the bottom of the base plate 1 for movement, and a handle 7 is provided at one side of the base plate 1 for easy pulling.

[0026] Working principle: Place the device under the pipeline, set the pipeline interface connection, fix the two sections of pipeline to be connected through the arc support plate, the arc lower pressure plate and the clamp, and the hot melt welding joint moves around through the annular slide rail. The pipeline is heated to be hot-melted and fixed. After cooling, the device moves along the pipeline to the next node under the action of the universal wheel to continue the connection operation. When the above operations are implemented, the connection is achieved by expanding one pipe and inserting it into another pipe and then heating and hot-melting, or connecting the two pipes through a short outer pipe.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A clamping device for connecting plastic pipes, characterized in that: The invention comprises a base plate (1), wherein hydraulic legs (2) are provided at the four corners of the base plate (1), and two parallel cross beams (21) are provided at the tops of the hydraulic legs (2) on both sides of the base plate (1), and a telescopic pressure plate (3) is provided in the middle of the cross beam (21), and a corresponding support mechanism (4) is provided on the base plate (1) directly below the telescopic pressure plate (3), and a pair of fixed plates (5) are provided between the support mechanisms (4), and a through hole (51) is opened at the center of the fixed plate (5), and a hollow groove (52) is provided in the fixed plate (5), and a clamping plate (53) is symmetrically provided in the hollow groove (52) about the through hole (51), and an annular slide rail (6) is provided on the fixed plate (5) on one side of the base plate (1), and a hot melt connection mechanism (61) is provided on the slide rail (6).

2. A clamping device for connecting plastic pipes according to claim 1, characterized in that: The telescopic pressing plate (3) comprises a hydraulic telescopic rod and an arc-shaped lower pressing plate (31), wherein the hydraulic telescopic rod is vertically arranged in the middle of the crossbeam (21), and the arc-shaped lower pressing plate (31) is arranged at the top end of the hydraulic telescopic rod.

3. A clamping device for connecting plastic pipes according to claim 2, characterized in that: The support mechanism (4) comprises a fixed seat (41), a fixed ear seat (42), a connecting shaft (43), a fixed rod (40) and an arc-shaped support plate (44); two symmetrical fixed seats (41) are arranged in a longitudinal direction on the bottom plate (1) directly below the arc-shaped lower pressure plate (31); a fixed ear seat (42) is arranged between the fixed seats (41); the fixed ear seat (42) is connected to the fixed rod (40) upward; the fixed rod (40) is provided with the arc-shaped support plate (44); the fixed seat (41) and the fixed ear seat (42) are provided with corresponding connecting holes; the connecting shaft (43) is arranged in the connecting hole.

4. A clamping device for connecting plastic pipes according to claim 3, characterized in that: Symmetrical fixing holes are arranged on both sides of the connection hole, and a fixing shaft (45) is arranged in the fixing hole.

5. The clamping device for connecting plastic pipes according to claim 1, characterized in that: Two pairs of symmetrical hydraulic telescopic rods are arranged horizontally and vertically opposite to each other on both sides of the empty slot (52), and the clamping plates (53) are arranged at the top ends of the hydraulic telescopic rods.

6. The clamping device for connecting plastic pipes according to claim 1, characterized in that: The bottom of the base plate (1) is provided with a universal wheel, and one side of the base plate (1) is provided with a handle (7).

7. The clamping device for connecting plastic pipes according to claim 4, characterized in that: The hot melt connection mechanism (61) comprises a slider (611), a hot melt welding joint (612) is provided on the slider (611), the arc-shaped support plate (44) and the through hole (51) are coaxial, and the hot melt welding joint (612) points to the axial centerline.

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