Pipe clamping device for construction

Abstract

The application discloses a pipe clamping device for building construction and relates to the technical field of building construction. The pipe clamping device comprises a mounting plate, an arc-shaped plate and a side plate. The front end of the mounting plate is rotationally provided with the arc-shaped plate. The front end of the arc-shaped plate is provided with an arc-shaped groove. The front side of the arc-shaped plate is provided with a pipe contact assembly for abutting equal-diameter pipe fittings or unequal-diameter pipe fittings. The outer end of the arc-shaped plate is integrally connected with a gear ring. The pipe contact assembly is positioned through a positioning assembly. The rear side of the mounting plate is fixedly provided with a motor. The output end of the motor is fixedly provided with a gear disc. The left side of the mounting plate is fixedly provided with a T-shaped rod. The T-shaped rod penetrates the inside of the side plate. The pipe clamping device for building construction can abut equal-diameter pipe fittings or unequal-diameter pipe fittings, so that straight cylinder pipe fittings and conical pipe fittings of different sizes can be fixed. After the pipe fittings are fixed, the pipe fittings can be conveniently rotated, and the pipe fitting limiting angle is flexible.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of building construction, in particular to a pipe clamping device for building construction. BACKGROUND

[0002] In building construction, clamping pipes are usually needed when installing or processing pipes. The pipe clamping device can ensure the installation and processing accuracy.

[0003] A building construction energy-saving and environment-friendly pipe machining equipment is disclosed in Chinese Patent No. CN213004946U. The equipment can quickly lift and fix the pipe, and can extrude and fix the pipe within a certain range according to the processing requirements. The overall production cost is low, and the operation is convenient.

[0004] Chinese Patent No. CN222768213U discloses a pipe clamping mechanism. The mechanism can drive multiple bevel gears I through a motor-driven bevel gear II to drive a double-sided tooth ring to rotate, so as to drive multiple threaded cylinders to move the clamping plates, which can be adapted to pipes of different specifications and diameters for clamping and fixing, have a wider application range, and are more practical. The utility model discloses a connecting assembly, which can conveniently disassemble, maintain, repair or replace the clamping seat and other connected parts.

[0005] Chinese Patent No. CN221583315U discloses a pipe clamping device. The device includes a pipe clamping device body, a base on the pipe clamping device body, a limiting slot in the base, a limiting rod in the limiting slot, a screw sleeve on the top end of the limiting rod, an adjusting assembly in the screw sleeve, a bidirectional screw rod in the center of the adjusting assembly, a bracket on the adjusting assembly, a hand wheel at one end of the adjusting assembly, an adjusting rod above the screw sleeve, a clamping block in the inner side wall of the upper half of the adjusting rod, a placement plate above the bracket on the upper surface of the base, and a protective pad on the upper surface of the placement plate. The pipe clamping device can flexibly adjust the distance between the two clamping blocks according to the size of the pipe, thereby expanding the application range of the device and greatly enhancing the practicality of the device. The placement assembly can place the pipe on the upper surface of the placement plate, which is convenient for subsequent clamping of the pipe.

[0006] In combination with the existing scheme and the use of actual production and processing, during the construction process, equal-diameter pipe fittings or unequal-diameter pipe fittings need to be used, such as a tapered wall bushing which is an unequal-diameter pipe fitting, and a general water pipe which is an equal-diameter pipe fitting, but the existing pipe fitting clamping device for construction is inconvenient to fix different pipe fittings, and is inconvenient to rotate the pipe fitting after fixing the pipe fitting, therefore, the pipe fitting clamping device for construction is proposed to solve the above problems. SUMMARY

[0007] The purpose of the present application is to provide a pipe fitting clamping device for construction to solve the problem of the existing pipe fitting clamping device for construction which is inconvenient to fix different pipe fittings and inconvenient to rotate the pipe fitting after fixing the pipe fitting.

[0008] To achieve the above purpose, the present application provides the following technical scheme: a pipe fitting clamping device for construction, comprising a mounting plate, an arc-shaped plate and a side plate:

[0009] The front end of the mounting plate is rotatably installed with the arc-shaped plate, the front end of the arc-shaped plate is provided with an arc-shaped groove, the front side of the arc-shaped plate is provided with a pipe fitting contact assembly for fitting equal-diameter pipe fittings or unequal-diameter pipe fittings, the outer end of the arc-shaped plate is integrally connected with a gear ring, and the pipe fitting contact assembly is positioned and installed on the arc-shaped plate through a positioning assembly;

[0010] The rear side of the mounting plate is fixed with a motor, and the output end of the motor is fixed with a gear disc for driving the gear ring;

[0011] The left side of the mounting plate is fixed with a T-shaped rod, the T-shaped rod penetrates the inside of the side plate, the bottom end of the side plate is fixed with a second hydraulic cylinder, and the bottom end of the second hydraulic cylinder is fixed with a second bottom plate,

[0012] The above technical scheme is adopted, the rubber plate can be fitted with equal-diameter pipe fittings or unequal-diameter pipe fittings, so as to fix straight cylinder pipe fittings and tapered pipe fittings of different sizes, and the pipe fitting can be conveniently rotated after being fixed, and the pipe fitting limiting angle is flexible.

[0013] As a preferred technical scheme of the present application, the pipe contact assembly comprises an arc-shaped connecting rod, a moving roller, a first supporting rod, a second supporting rod, a limiting rod, a blocking rod, a first pressing plate, a second pressing plate, a rubber plate and a screw rod, the front end of the arc-shaped connecting rod is fixed with the moving roller, the front end of the moving roller is rotatably provided with the first supporting rod through a pin, the end of the first supporting rod away from the moving roller is rotatably connected with the second supporting rod through a pin, the rear of the second supporting rod is provided with the limiting rod, the lower surfaces of the limiting rod and the second supporting rod are both fixed with the first pressing plate, the top end of the limiting rod is provided with the blocking rod, the bottom end of the first pressing plate is rotatably provided with the second pressing plate, the lower surface of the second pressing plate is connected with the rubber plate, and the inside of the first pressing plate is threadedly connected with the screw rod at both ends.

[0014] By adopting the above technical scheme, since the lower surface of the second pressing plate is connected with the rubber plate, the setting of the rubber plate can avoid deformation or damage of the pipe during fixing.

[0015] As a preferred technical scheme of the present application, the arc-shaped connecting rod is installed in the arc-shaped groove, and the moving rollers are distributed at equal angles in the arc-shaped groove.

[0016] By adopting the above technical scheme, since the arc-shaped connecting rod is installed in the arc-shaped groove, the size of the rear end of the arc-shaped connecting rod is larger than that of the front end, so that the arc-shaped connecting rod is prevented from falling out of the arc-shaped groove, a plurality of moving rollers are connected through the arc-shaped connecting rod, so that the plurality of arc-shaped connecting rods can rotate synchronously, and the second pressing plates and the rubber plates distributed at equal angles can be lifted and lowered synchronously, thereby fixing pipes of different sizes.

[0017] As a preferred technical scheme of the present application, the blocking rod is fixedly installed at the inner side of the arc-shaped plate at equal angles, the limiting rod and the blocking rod form a lifting structure, and the front side of the blocking rod is provided with a scale line.

[0018] By adopting the above technical scheme, since the front side of the blocking rod is provided with the scale line, the lifting height of the limiting rod can be conveniently checked through the scale line provided on the front side of the blocking rod.

[0019] As a preferred technical scheme of the present application, the positioning assembly comprises an outer connecting plate, an arc-shaped rod, an adjusting ring and a trapezoidal block, the outer connecting plate is fixedly installed at the front end of the moving roller, the outer side of the outer connecting plate is fixed with the arc-shaped rod, the outer side of the arc-shaped rod is provided with the adjusting ring, and the outer side of the adjusting ring is fixed with the trapezoidal block.

[0020] By adopting the above technical scheme, since the outer connecting plate is fixedly installed at the front end of the moving roller, the outer connecting plate can move along with the moving roller.

[0021] As a preferred technical scheme of the present application, the trapezoidal block and the tooth ring are connected in a clamping manner.

[0022] By adopting the technical scheme, the trapezoidal block and the gear ring are connected in a clamping manner, the moving roller is limited, and the second pressing plate and the rubber plate are limited.

[0023] As a preferred technical scheme of the present application, the tooth disc is connected with the gear ring in a meshing manner, and the tooth disc is symmetrically arranged about the center line of the gear ring.

[0024] By adopting the technical scheme, the tooth disc and the gear ring are connected in a meshing manner, the gear ring is rotated when the tooth disc rotates, the pipe fitting limited inside the gear ring can rotate, and the gear ring with the notch can rotate 360 degrees by using the two groups of tooth discs arranged above and below.

[0025] As a preferred technical scheme of the present application, the bottom end of the mounting plate is rotatably installed with a connecting frame, the bottom end of the connecting frame is fixedly installed with a rectangular plate, the lower surface of the rectangular plate is fixedly installed with a first hydraulic cylinder through screws, and the bottom end of the first hydraulic cylinder is fixedly installed with a first bottom plate.

[0026] By adopting the technical scheme, the lower surface of the rectangular plate is fixedly installed with the first hydraulic cylinder through screws, the rectangular plate and the first hydraulic cylinder can be disassembled and assembled, and the first hydraulic cylinder and the first bottom plate can be flexibly used.

[0027] As a preferred technical scheme of the present application, the mounting plate is rotatably installed with the side plate through a T-shaped rod.

[0028] By adopting the technical scheme, the mounting plate is rotatably installed outside the side plate through the T-shaped rod, and the angle of the pipe fitting limited on the mounting plate can be adjusted.

[0029] As a preferred technical scheme of the present application, the T-shaped rod is fixedly connected with the side plate through screws.

[0030] By adopting the technical scheme, the T-shaped rod and the side plate are fixedly connected through screws, the mounting plate can be conveniently rotated or positioned, and the angle of the pipe fitting on the mounting plate can be conveniently positioned.

[0031] Compared with the prior art, the building construction pipe fitting clamping device has the advantages that the rubber plate can be attached to the equal-diameter pipe fitting or the unequal-diameter pipe fitting, different sizes of straight pipe fittings and conical pipe fittings can be fixed, the pipe fitting can be conveniently rotated after the pipe fitting is fixed, and the angle of the pipe fitting can be flexibly limited.

[0032] 1. The pipe contact assembly can be attached to the outer side of the equal diameter pipe or unequal diameter pipe, the pipe contact assembly comprises an arc-shaped connecting rod, a moving roller, a first supporting rod, a second supporting rod, a limiting rod, a blocking rod, a first pressing plate, a second pressing plate, a rubber plate and a screw rod, manually rotating the screw rod, thereby lifting the outer end of the screw rod, controlling the position of the two groups of screw rods, thereby controlling the inclination of the second pressing plate and the rubber plate, and further enabling the rubber plate to be attached to the equal diameter pipe or unequal diameter pipe;

[0033] By rotating the arc-shaped connecting rod and the moving roller, the limiting rod is lifted, thereby lifting the first pressing plate, the second pressing plate and the rubber plate, and by using the pipe contact assembly to receive pipes of different diameters, and then using the positioning assembly to position the pipe contact assembly, the pipe is further positioned, and the pipe contact assembly and the positioning assembly cooperate to fix pipes of different sizes;

[0034] The pipe contact assembly is limited by the engagement of the trapezoidal block and the tooth ring tooth gap, the positioning assembly comprises an external plate, an arc-shaped rod, an adjusting ring and a trapezoidal block, the adjusting ring can slide on the outside of the arc-shaped rod, and the sliding of the adjusting ring and the trapezoidal block and the equiangular tooth gap can fix the moving roller rotated to any position;

[0035] 2. The outer end of the arc-shaped plate is provided with a notch, so that the pipe can be directly loaded into the arc-shaped plate from the notch of the arc-shaped plate, and the pipe can be quickly installed;

[0036] After the pipe is fixed, the motor drives the gear disc to rotate, and the gear ring engaged with the gear disc rotates, thereby enabling the pipe to rotate, and the upper and lower two groups of gear discs can enable the gear ring with the notch to rotate 360°;

[0037] 3. The mounting plate constitutes a rotating structure with the side plate through a T-shaped rod, and the arc-shaped plate and the pipe can be turned over by turning over the mounting plate, thereby changing the inclination angle of the pipe, and further enabling the pipe to be fixed in the vertical direction or the horizontal direction. BRIEF DESCRIPTION OF DRAWINGS

[0038] The drawings described herein are used to provide further understanding of the present application, and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0039] Figure 1 It is a front view of the structure of the present application;

[0040] Figure 2 It is a first cut structure schematic view of the mounting plate of the present application;

[0041] Figure 3 It is a second cut structure schematic view of the mounting plate of the present application;

[0042] Figure 4 It is a rear view of the structure of the present application;

[0043] Figure 5 Split structure schematic diagram for the present application;

[0044] Figure 6 Pipe contact assembly and positioning assembly connection structure schematic diagram for the present application;

[0045] Figure 7 Second pressing plate and first pressing plate connection structure schematic diagram for the present application;

[0046] Figure 8 Adjusting ring and arc-shaped rod connection structure schematic diagram for the present application;

[0047] Figure 9 Arc-shaped plate and mounting plate connection structure schematic diagram for the present application;

[0048] Figure 10 Mounting plate rotating state structure schematic diagram for the present application.

[0049] In the figure: 1, mounting plate; 2, arc-shaped plate; 3, arc-shaped groove; 4, pipe contact assembly; 401, arc-shaped connecting rod; 402, moving roller; 403, first supporting rod; 404, second supporting rod; 405, limiting rod; 406, blocking rod; 407, first pressing plate; 408, second pressing plate; 409, rubber plate; 410, screw rod; 5, gear ring; 6, positioning assembly; 601, outer connecting plate; 602, arc-shaped rod; 603, adjusting ring; 604, trapezoidal block; 7, motor; 8, gear disc; 9, connecting frame; 10, rectangular plate; 11, first hydraulic cylinder; 12, first bottom plate; 13, T-shaped rod; 14, side plate; 15, second hydraulic cylinder; 16, second bottom plate. DETAILED DESCRIPTION

[0050] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0051] Please refer to Figures 1-10 , the existing pipe clamping device for building construction is inconvenient to fix different pipes, and it is inconvenient to rotate the pipe after fixing the pipe, thereby being inconvenient to assist in processing the pipe. In order to solve this technical problem, the present embodiment discloses the following technical content.

[0052] The utility model provides a pipe clamping device for building construction, including mounting plate 1, arc plate 2, arc slot 3, pipe contact subassembly 4, gear ring 5, positioning assembly 6, motor 7, tooth disc 8, connecting frame 9, rectangular plate 10, first hydraulic cylinder 11, first bottom plate 12, T type rod 13, side plate 14, second hydraulic cylinder 15 and second bottom plate 16,

[0053] As Figure 1 Shown, the left side of mounting plate 1 is fixed with T type rod 13, and T type rod 13 penetrates the inside of side plate 14, the bottom end of side plate 14 is fixed with second hydraulic cylinder 15, the bottom end of second hydraulic cylinder 15 is fixed with second bottom plate 16, mounting plate 1 is supported through side plate 14, second hydraulic cylinder 15 and second bottom plate 16, the inside of second bottom plate 16 is provided with mounting groove, and second bottom plate 16 can be fixed on workbench or ground through mounting groove and screw, and the height of side plate 14 and mounting plate 1 can be adjusted by second hydraulic cylinder 15,

[0054] The front end of mounting plate 1 is rotatably installed with arc plate 2, as Figure 2 、 Figure 3 And Figure 4 Shown, the part of arc plate 2 is located at the front end of mounting plate 1, and the size of rear end is greater than the size of front end, so that the arc plate 2 can be avoided from falling off mounting plate 1,

[0055] The front end of arc plate 2 is provided with arc slot 3, and the front side of arc plate 2 is provided with pipe contact subassembly 4 for abutting equal-diameter pipe or unequal-diameter pipe, and the outer end of arc plate 2 is integrally connected with gear ring 5, and pipe contact subassembly 4 is positioned and installed on arc plate 2 by positioning assembly 6,

[0056] As Figure 1 、 Figure 4 And Figure 5 Shown, the upper and lower ends of arc plate 2 are provided with pipe contact subassembly 4, first, the position of lower pipe contact subassembly 4 is adjusted according to the size of pipe, so that the center of pipe coincides with the center of arc plate 2 after pipe is placed on pipe contact subassembly 4,

[0057] As Figure 1 、 Figure 3 、 Figure 5 、 Figure 6 And Figure 7As shown, the pipe contact assembly 4 comprises an arc-shaped connecting rod 401, a moving roller 402, a first supporting rod 403, a second supporting rod 404, a limiting rod 405, a blocking rod 406, a first pressing plate 407, a second pressing plate 408, a rubber plate 409, and a screw rod 410. The front end of the arc-shaped connecting rod 401 is fixed with the moving roller 402. The front end of the moving roller 402 is rotatably connected with the first supporting rod 403 through a pin. The end of the first supporting rod 403 away from the moving roller 402 is rotatably connected with the second supporting rod 404 through a pin. The rear of the second supporting rod 404 is provided with the limiting rod 405. The lower surfaces of the limiting rod 405 and the second supporting rod 404 are both fixed with the first pressing plate 407. The top end of the limiting rod 405 is provided with the blocking rod 406. The bottom end of the first pressing plate 407 is rotatably connected with the second pressing plate 408. The lower surface of the second pressing plate 408 is connected with the rubber plate 409 through pasting. The inner front and rear ends of the first pressing plate 407 are both screw-connected with the screw rod 410. The bottom end of the screw rod 410 is of a spherical structure. The arc-shaped connecting rod 401 is installed inside the arc-shaped groove 3. The blocking rod 406 is fixedly installed on the inner side surface of the arc-shaped plate 2 at equal angles. The limiting rod 405 and the blocking rod 406 constitute a lifting structure. The front side surface of the blocking rod 406 is provided with a scale line.

[0058] When the positions of the lower second pressing plate 408 and the rubber plate 409 are adjusted, the lower arc-shaped connecting rod 401 is manually rotated. The arc-shaped connecting rod 401 rotates inside the arc-shaped groove 3. With the rotation of the arc-shaped connecting rod 401, the lower groups of moving rollers 402 are synchronously rotated, so that the first supporting rod 403 is rotated, and then the second supporting rod 404 and the limiting rod 405 are lifted and lowered. The movement track of the limiting rod 405 is limited by the blocking rod 406. The first pressing plate 407 is lifted and lowered along with the limiting rod 405. The positions of the second pressing plate 408 and the rubber plate 409 are adjusted. In the process of moving the limiting rod 405, the lifting height of the limiting rod 405 is observed through the scale line on the blocking rod 406, so that the position of the rubber plate 409 is known. The front side of the arc-shaped plate 2 is provided with a scale line, so that the rotation angle of the moving roller 402 can be known through the scale line on the arc-shaped plate 2.

[0059] After the second pressing plate 408 and the rubber plate 409 are adjusted to the target height, the moving roller 402 is positioned through the positioning assembly 6, as shown in Figure 6 and Figure 8 As shown, the positioning assembly 6 comprises an outer connecting plate 601, an arc-shaped rod 602, an adjusting ring 603, and a trapezoidal block 604. The outer side surface of the outer connecting plate 601 is fixed with the arc-shaped rod 602. The outer side of the arc-shaped rod 602 is provided with the adjusting ring 603. The outer side surface of the adjusting ring 603 is fixed with the trapezoidal block 604. The trapezoidal block 604 is connected with the tooth ring 5 in a snap-fit manner.

[0060] According to the tooth gap position of the tooth ring 5, slightly manually slide the adjusting ring 603 on the arc-shaped rod 602, so that the trapezoidal block 604 is aligned with the nearest tooth gap on the tooth ring 5, then turn over the trapezoidal block 604 and the adjusting ring 603, so that the trapezoidal block 604 is clamped into the tooth gap of the tooth ring 5, thereby defining the moving roller 402, and further defining the first pressing plate 407, the second pressing plate 408 and the rubber plate 409;

[0061] After the positions of the lower second pressing plate 408 and the rubber plate 409 are fixed, the pipe is placed on the lower rubber plate 409, and the pipe can be placed from the gap of the arc-shaped plate 2, and then the position of the upper pipe contact assembly 4 is adjusted to fix the pipe by the upper and lower pipe contact assemblies 4;

[0062] When the center of the pipe does not need to coincide with the center of the arc-shaped plate 2, only the positions of the upper and lower pipe contact assemblies 4 are adjusted inconsistently;

[0063] When the fixed pipe is of different diameters, the worker manually rotates the screw rod 410 to lift the screw rod 410, the outer end of the screw rod 410 abuts against the second pressing plate 408, the second pressing plate 408 is rotated by lifting the screw rod 410, and the second pressing plate 408 is inclined;

[0064] During the adjustment stage, the pipe to be fixed can be placed on the rubber plate 409, then the worker manually operates the screw rod 410 to make the rubber plate 409 fit the outer side of the pipe of different diameters, and then the pipe is taken off, and the height of the rubber plate 409 is adjusted;

[0065] As shown in Figs. Figure 2 , Figure 3 , Figure 4 and Figure 9 , the rear side of the mounting plate 1 is fixed with a motor 7, the output end of the motor 7 is fixed with a tooth disc 8, the tooth disc 8 is engagedly connected with the tooth ring 5, and the tooth disc 8 is symmetrically arranged about the center line of the tooth ring 5;

[0066] When the fixed pipe needs to be rotated, the controller (not shown in the figure) is opened to drive the motor 7 to rotate the tooth disc 8, the tooth ring 5 engagedly connected with the tooth disc 8 is rotated, the arc-shaped plate 2 is rotated in the annular groove of the mounting plate 1, and the pipe fixed on the arc-shaped plate 2 is rotated, and the upper and lower tooth discs 8 can rotate the tooth ring 5 and the arc-shaped plate 2 by 360°;

[0067] The bottom end of the mounting plate 1 is rotatably provided with a connecting frame 9, the bottom end of the connecting frame 9 is fixed with a rectangular plate 10, the lower surface of the rectangular plate 10 is fixed with a first hydraulic cylinder 11 through a screw, the bottom end of the first hydraulic cylinder 11 is fixed with a first bottom plate 12, the mounting plate 1 is rotatably connected with a side plate 14 through a T-shaped rod 13, and the T-shaped rod 13 is fixedly connected with the side plate 14 through a screw.

[0068] When the pipe needs to be fixed vertically, the screw for connecting the T-shaped rod 13 and the side plate 14 is removed, then the mounting plate 1 is rotated to make the mounting plate 1 parallel to the first bottom plate 12 and the second bottom plate 16, the connecting frame 9, the rectangular plate 10, the first hydraulic cylinder 11 and the first bottom plate 12 are turned over, then the height of the first bottom plate 12 is adjusted under the action of the first hydraulic cylinder 11 to make the first bottom plate 12 consistent with the second bottom plate 16 in height, the mounting plate 1 is supported by the connecting frame 9, the rectangular plate 10, the first hydraulic cylinder 11 and the first bottom plate 12, the pipe is vertically inserted into the left and right two groups of pipe contact assemblies 4, and the pipe is limited by the pipe contact assembly 4 and the positioning assembly 6, and the first bottom plate 12 is internally provided with a threaded hole, and the first bottom plate 12 can be fixed on the ground or the workbench through the threaded hole and the screw;

[0069] When the first hydraulic cylinder 11 and the first bottom plate 12 are not needed to be supported, the screw for connecting the rectangular plate 10 and the first hydraulic cylinder 11 is removed, and then the first hydraulic cylinder 11 and the first bottom plate 12 can be removed;

[0070] The above completes a series of operations of the pipe clamping device for building construction, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0071] The standard parts used in the application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0072] Although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or equivalently replace part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the application shall be included in the protection scope of the application.

Claims

1. A pipe clamping device for construction, comprising a mounting plate (1), an arc-shaped plate (2) and a side plate (14), characterized in that: the front end of the mounting plate (1) is rotatably provided with the arc-shaped plate (2), the front end of the arc-shaped plate (2) is provided with an arc-shaped slot (3), the front side of the arc-shaped plate (2) is provided with a pipe contact assembly (4) for fitting equal-diameter pipes or unequal-diameter pipes, the outer end of the arc-shaped plate (2) is integrally connected with a gear ring (5), and the pipe contact assembly (4) is positioned and installed on the arc-shaped plate (2) through a positioning assembly (6); the rear side of the mounting plate (1) is fixedly provided with a motor (7), and the output end of the motor (7) is fixedly provided with a gear disc (8) for driving the gear ring (5); the left side of the mounting plate (1) is fixedly provided with a T-shaped rod (13), the T-shaped rod (13) penetrates through the inside of the side plate (14), the bottom end of the side plate (14) is fixedly provided with a second hydraulic cylinder (15), the bottom end of the second hydraulic cylinder (15) is fixedly provided with a second bottom plate (16), and the pipe contact assembly (4) comprises an arc-shaped connecting rod (401), a moving roller (402), a first supporting rod (403), a second supporting rod (404), a limiting rod (405), a blocking rod (406), a first pressing plate (407), a second pressing plate (408), a rubber plate (409) and a screw rod (410), the front end of the arc-shaped connecting rod (401) is fixedly provided with the moving roller (402), the front end of the moving roller (402) is rotatably provided with the first supporting rod (403) through a bolt, one end of the first supporting rod (403) away from the moving roller (402) is rotatably connected with the second supporting rod (404) through a bolt, the rear of the second supporting rod (404) is provided with the limiting rod (405), the lower surfaces of the limiting rod (405) and the second supporting rod (404) are fixedly provided with the first pressing plate (407), the top end of the limiting rod (405) is provided with the blocking rod (406), the bottom end of the first pressing plate (407) is rotatably provided with the second pressing plate (408), the lower surface of the second pressing plate (408) is adhesively connected with the rubber plate (409), the inside of the first pressing plate (407) is threadedly connected with the screw rod (410) at the front and rear ends, the bottom end of the screw rod (410) is in a spherical structure, the bottom end of the mounting plate (1) is rotatably provided with a connecting frame (9), the bottom end of the connecting frame (9) is fixedly provided with a rectangular plate (10), the lower surface of the rectangular plate (10) is fixedly provided with a first hydraulic cylinder (11) through a screw, and the bottom end of the first hydraulic cylinder (11) is fixedly provided with a first bottom plate (12).

2. A pipe clamping device for use in construction according to claim 1, characterized in that: The arc-shaped connecting rod (401) is installed in the arc-shaped slot (3), and the moving rollers (402) are distributed at equal angles in the arc-shaped slot (3).

3. A pipe clamping device for use in construction according to claim 1, characterized in that: The blocking rod (406) is fixedly installed at equal angles on the inner side of the arc-shaped plate (2), the limiting rod (405) and the blocking rod (406) constitute a lifting structure, and the front side of the blocking rod (406) is provided with a scale line.

4. A pipe gripping device for use in construction according to claim 1, characterized in that: The positioning assembly (6) comprises an outer plate (601), an arc-shaped rod (602), an adjusting ring (603) and a trapezoidal block (604), the outer plate (601) is fixedly installed at the front end of the moving roller (402), the outer side of the outer plate (601) is fixed with the arc-shaped rod (602), the outer side of the arc-shaped rod (602) is provided with the adjusting ring (603), and the outer side of the adjusting ring (603) is fixed with the trapezoidal block (604).

5. A pipe gripping device for use in construction according to claim 4, characterised in that: The trapezoidal block (604) and the tooth ring (5) are connected in a clamping mode.

6. A pipe gripping device for use in construction according to claim 1, characterized in that: The tooth disc (8) is in meshing connection with the tooth ring (5), and the tooth disc (8) is symmetrically arranged about the center line of the tooth ring (5).

7. A pipe gripping device for use in construction according to claim 1, characterized in that: The mounting plate (1) and the side plate (14) are connected in a rotating mode through the T-shaped rod (13).

8. A pipe gripping device for use in construction according to claim 1, characterized in that: The T-shaped rod (13) is fixedly connected with the side plate (14) through a screw.

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