Pipe hanging clamp

Abstract

The utility model discloses a pipe fitting hanging clamp, relates to the field of load hanging devices, solves the problem that the existing hanging clamp cannot be used for clamping and hanging pipe fittings with different sizes, and adopts the technical scheme that the pipe fitting hanging clamp comprises a first movable rod, a second movable rod, an arc-shaped clamping jaw and a lifting lug, the first ends of the two first movable rods are rotationally connected, the rotating joint is connected with the lifting lug, the second ends of the two first movable rods are rotationally connected with the first ends of the two second movable rods respectively, the non-ends of the two second movable rods are rotationally connected, and the second ends of the two second movable rods are fixedly connected with the arc-shaped clamping jaws respectively. After the two arc-shaped clamping jaws are folded, the inner walls of the two arc-shaped clamping jaws form a circular structure; at least one arc-shaped clamping jaw is further provided with at least one screw hole, a matched bolt is arranged in at least one screw hole, and by adjusting the position of the bolt in the arc-shaped clamping jaw, pipe fittings of different sizes can be clamped and fixed after the two arc-shaped clamping jaws are oppositely combined.

Description

Technical Field

[0001] The utility model relates to the field of load hanging devices, in particular to an apparatus for clamping and hanging pipes. Background Art

[0002] Usually, steel wire ropes are used to lift pipes, which requires manual threading and tying, which is time-consuming and labor-intensive, and may cause unsafe factors such as crushing hands and feet. There are also safety hazards such as wire rope slippage and breakage during the lifting and unloading process.

[0003] The patent application publication number CN 117735390 A discloses a pipe lifting clamp, including two cross-hinged clamping rods, the upper end of the clamping rods is provided with a lifting hole, a connecting buckle is provided in the lifting hole, a lifting rope is provided between the two connecting buckles, and an anti-loosening device is provided on the upper part of the two clamping rods to prevent the clamp from loosening due to shaking during the lifting process. The lower ends of the two clamping rods are respectively provided with arc-shaped clamping claws, and the two arc-shaped clamping claws cooperate with each other to clamp the pipe. Since the size of the arc-shaped clamping claws is fixed, the pipe lifting clamp can only be used for clamping and lifting pipes with specific outer diameters. Utility Model Content

[0004] The utility model provides a pipe hanging clamp, which solves the problem that the existing hanging clamp cannot be used for clamping and lifting pipes of different sizes.

[0005] The technical solution adopted by the utility model is: a pipe hanging clamp, comprising two first movable rods of equal length, two second movable rods of equal length, two arc-shaped clamping claws and a lifting ear, the first ends of the two first movable rods are rotatably connected and the rotatably connected position is also connected to the lifting ear, the second ends of the two first movable rods are rotatably connected to the first ends of the two second movable rods respectively, the two second movable rods are rotatably connected at a non-end position and the distance from the rotatably connected position to the first ends of the two second movable rods is equal, the second ends of the two second movable rods are respectively fixedly connected to an arc-shaped clamping claw, the arc-shaped clamping claw has an inner wall in an arc shape, and after the two arc-shaped clamping claws are matched, the inner walls of the two arc-shaped clamping claws form a circular structure; at least one arc-shaped clamping claw is also provided with at least one screw hole, and an adapted bolt is provided in the at least one screw hole, one end of the bolt is located inside the arc-shaped clamping claw, and the other end of the bolt is located outside the arc-shaped clamping claw.

[0006] In order to facilitate the two arc-shaped clamping jaws to match and form a circular structure, further: the two arc-shaped clamping jaws have the same shape, and the corresponding shapes of the inner walls of the two arc-shaped clamping jaws are both semicircular.

[0007] In order to facilitate the fixed connection between the second end of the second movable rod and the arc-shaped clamping claw, further: the arc-shaped clamping claw is fixedly provided with a connecting ear, and the second end of the second movable rod is fixedly connected to the connecting ear.

[0008] In order to facilitate manual control of the second movable rod to open the two arc-shaped clamping jaws, further: a handle is fixedly provided on the first section of one of the two second movable rods.

[0009] In order to optimize the force on the bolt, further: the axial direction of the bolt passes through the center of the circle corresponding to the inner wall of the arc-shaped clamping jaw.

[0010] In order to avoid damage to the pipe fittings after the bolts are tightened against the pipe fittings, further: the two arc-shaped jaws are respectively provided with at least two screw holes, a bolt is respectively provided in each screw hole, and an arc-shaped clamping plate is respectively provided on the inner side of the two arc-shaped jaws, and the arc-shaped clamping plate is fixed inside the arc-shaped jaws by bolts. The two arc-shaped clamping plates form a circular structure when the two arc-shaped jaws are matched.

[0011] In order to be able to lift pipes of different diameters, further: the pipe hanging fixture is equipped with at least two groups of arc-shaped clamps of different thicknesses, the arc-shaped clamps in the same group are the same, the outer walls of each arc-shaped clamp in different groups have the same radius, and the inner walls of each arc-shaped clamp in different groups have different radii.

[0012] In order to simplify the structure between the lifting ear and the two first movable rods, further: connecting holes are respectively set at the first ends of the two first movable rods, connecting holes are respectively set at both ends of the lifting ear, pins are passed through the four connecting holes, and the two ends of the lifting ear are located on the outside of the two first movable rods.

[0013] Specifically: The pin is a bolt equipped with a nut.

[0014] In order to control the distance between the two first movable rods at the first end, further: a washer is passed through the outer side of the pin shaft, and the two ends of the washer are respectively in contact with the two first movable rods.

[0015] The beneficial effect of the utility model is that before the lifting ear is lifted vertically upward, the pipe fitting to be hung is placed between the two arc-shaped clamping claws. When the lifting ear is lifted vertically upward, the two arc-shaped clamping claws automatically approach each other gradually until they are matched to form a circular structure and clamp the pipe fitting in the circular structure. The clamping force between the two arc-shaped clamping claws can prevent the pipe fitting from falling out of the circular structure during lifting. The lifting ear is a rigid structural member, and the first end arc-shaped clamping claw connected to the two first movable rods is provided with a screw hole, and an adapted bolt is provided in the screw hole. By adjusting the position of the bolt inside the arc-shaped clamping claw, pipe fittings of different sizes can be clamped and fixed after the two arc-shaped clamping claws are matched. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a structural schematic diagram of an embodiment of the pipe hanging clamp.

[0017] Figure 2 yes Figure 1Side view of the illustrated embodiment.

[0018] Reference numerals: first movable rod 1 , second movable rod 2 , arc-shaped clamping claw 3 , lifting ear 4 , bolt 5 , arc-shaped clamping plate 6 , connecting ear 7 , handle 8 , pin shaft 9 , washer 10 . DETAILED DESCRIPTION

[0019] The utility model will be further described below in conjunction with the accompanying drawings.

[0020] See also Figure 1 and Figure 2 The utility model pipe hanging clamp comprises two first movable rods 1 of equal length, two second movable rods 2 of equal length, two arc-shaped clamping claws 3 and a lifting lug 4. The two ends of the first movable rod 1 are respectively the first end and the second end, and the two ends of the second movable rod 2 are respectively the first end and the second end. The first movable rod 1 and the second movable rod 2 can be either rods or long strips of plates. For example, the first movable rod 1 and the second movable rod 2 are both made by cutting and punching angle steel with a thickness of about 10 mm. The first ends of the two first movable rods 1 are rotatably connected and the rotatable connection is also connected to the lifting lug 4. The rotatable connection described in the present application means that any one of the two movable rods can rotate relative to the other at the connection point, and the axis direction of rotation is perpendicular to the plane corresponding to the two movable rods; the two movable rods can be respectively provided with connection holes, and bolts are provided between the connection holes, and the bolts are used as the rotating shaft, for example, M14 bolts are selected. The lifting lug 4 is used to be directly hung on the hook of the lifting equipment, or hung on the hook after being wound with a wire rope. For example, the lifting lug 4 is a lifting ring, for example, a U-shaped lifting ring, and the lifting ring is made of steel with a diameter of 10 mm. In order to simplify the structure between the lifting lug 4 and the two first movable rods 1, the first ends of the two first movable rods 1 are respectively provided with connecting holes, and the two ends of the lifting lug 4 are respectively provided with connecting holes, and a pin 9 is passed through the four connecting holes, and the lifting lug 4 and the two first movable rods 1 can rotate around the pin 9. Since there must be a certain distance between the two ends of the lifting lug 4, the two ends of the lifting lug 4 are preferably located outside the two first movable rods 1, which is not only convenient for assembly, but also enables the lifting lug 4 to have a limiting effect on the two first movable rods 1. The first ends of the two first movable rods 1 are often not in direct contact. In order to facilitate the control of the distance between the two first movable rods 1 at the first end, a washer 10 is passed through the outside of the pin 9, and the two ends of the washer 10 are respectively abutted against the two first movable rods 1. Limiting structures are respectively provided at the two ends of the pin 9 to ensure the stability of the pin 9 and prevent it from slipping. For example, the pin 9 is a bolt with a nut.

[0021] The second ends of the two first movable rods 1 are rotatably connected to the first ends of the two second movable rods 2, respectively. The two second movable rods 2 are rotatably connected at non-end positions and the distances from the rotatably connected positions to the first ends of the two second movable rods 2 are equal. Since the lengths of the two second movable rods 2 are equal, the two second movable rods 2 are overlapped and both ends are aligned, and then the two second movable rods 2 are rotatably connected. The two first movable rods 1 and the two second movable rods 2 form a quadrilateral shape, and the positions corresponding to the four vertices of the quadrilateral can all be rotated.

[0022] The second ends of the two second movable rods 2 are respectively fixedly connected to an arc-shaped clamping claw 3, and the arc-shaped clamping claw 3 has an inner wall in an arc shape. After the two arc-shaped clamping claws 3 are matched, the inner walls of the two arc-shaped clamping claws 3 form a circular structure. The shapes of the two arc-shaped clamping claws 3 can be the same or different. In order to facilitate the two arc-shaped clamping claws 3 to match at the lowest point to form a circular structure, the shapes of the two arc-shaped clamping claws 3 are the same. The angle of the arc-shaped inner wall of the arc-shaped clamping claw 3 is generally 180°, and can also exceed 180°. For example, the two arc-shaped clamping claws 3 are both semicircular and are divided by a steel pipe with a thickness of 8mm along the cross section passing through its axis. The second end of the second movable rod 2 can be directly fixedly connected to the arc-shaped clamping claw 3, or it can be connected through an adapter. For example, the arc-shaped clamping claw 3 is fixedly provided with a connecting ear 7, and the connecting ear 7 is V-shaped in its cross section, and the corresponding edges at both ends of the V are fixedly connected to the outer wall of the arc-shaped clamping claw 3, and the second end of the second movable rod 2 is fixedly connected to the connecting ear 7. The connecting ear 7 has a V-shaped cross section, and the dihedral angle corresponding to the V-shape is an acute angle, and the bisector of the dihedral angle preferably passes through the center of the circle corresponding to the inner wall of the arc-shaped clamping jaw 3. The closing and opening of the arc-shaped clamping jaw 3 are linked with the first movable rod 1 and the second movable rod 2. In order to facilitate manual control of the second movable rod 2 to open the two arc-shaped clamping jaws 3, a handle 8 is fixedly provided on the first section of one of the two second movable rods 2.

[0023] At least one arc-shaped clamping jaw 3 is also provided with at least one screw hole, in which a matching bolt 5 is provided, one end of the bolt 5 is located inside the arc-shaped clamping jaw 3, and the other end of the bolt 5 is located outside the arc-shaped clamping jaw 3. By adjusting the position of the bolt 5 at the temporal part of the arc-shaped clamping jaw 3, pipes of different sizes can be clamped and fixed after the two arc-shaped clamping jaws 3 are aligned. In order to optimize the force on the bolt 5, the axial direction of the bolt 5 passes through the center of the circle corresponding to the inner wall of the arc-shaped clamping jaw 3.

[0024] In order to prevent the bolt 5 from damaging the pipe fitting after one end of the bolt 5 located inside the arc-shaped clamp 3 presses against the pipe fitting, at least two screw holes are respectively provided in the two arc-shaped clamps 3, and bolts 5 are respectively provided in each screw hole. Arc-shaped clamps 6 are respectively provided on the inner side of the two arc-shaped clamps 3, and the arc-shaped clamps 6 are fixed inside the arc-shaped clamps 3 by bolts 5. The two arc-shaped clamps 6 form a circular structure when the two arc-shaped clamps 3 are matched. The entire inner wall of the arc-shaped clamp 6 can contact the pipe fitting, and the contact area between the two is large, so the pipe fitting is not easily damaged. The arc-shaped clamp 6 can be a group, that is, the arc-shaped clamp 6 can be two, respectively fixedly installed inside the two arc-shaped clamps 3, and the arc-shaped clamp 6 can also be two or more groups. The pipe fitting hanging fixture is equipped with at least two groups of arc-shaped clamps 6 of different thicknesses. The arc-shaped clamps 6 of the same group are the same, and the outer walls of the arc-shaped clamps 6 of different groups have the same radius, and the inner walls of the arc-shaped clamps 6 of different groups have different radii. By selecting a group of arc-shaped clamping plates 6 of different thicknesses and fixing the arc-shaped clamping plates 6 in the arc-shaped clamping jaws 3, the two arc-shaped clamping jaws 3 can form circular structures of different sizes after being matched, so that pipes of different diameters can be lifted. The thickness of each group of arc-shaped clamping plates 6 is generally 5 to 15 mm, and the screw holes of the arc-shaped clamping plates 6 are preferably blind holes.

Claims

1. A pipe hanging fixture, comprising two first movable rods (1) of equal length, two second movable rods (2) of equal length, two arc-shaped clamping claws (3) and a hanging ear (4), characterized in that: The first ends of the two first movable rods (1) are rotatably connected and the rotatably connected position is also connected to a lifting ear (4); the second ends of the two first movable rods (1) are rotatably connected to the first ends of the two second movable rods (2), respectively; the two second movable rods (2) are rotatably connected at a non-end position and the distances from the rotatably connected position to the first ends of the two second movable rods (2) are equal; the second ends of the two second movable rods (2) are respectively fixedly connected to an arc-shaped clamping claw (3); the arc-shaped clamping claw (3) has an arc-shaped inner wall; after the two arc-shaped clamping claws (3) are matched, the inner walls of the two arc-shaped clamping claws (3) form a circular structure; at least one arc-shaped clamping claw (3) is also provided with at least one screw hole, and an adapted bolt (5) is provided in the at least one screw hole, one end of the bolt (5) is located inside the arc-shaped clamping claw (3), and the other end of the bolt (5) is located outside the arc-shaped clamping claw (3).

2. The pipe hanging fixture according to claim 1, characterized in that: The two arc-shaped clamping jaws (3) have the same shape, and the corresponding shapes of the inner walls of the two arc-shaped clamping jaws (3) are both semicircular.

3. The pipe hanging fixture according to claim 1, characterized in that: The arc-shaped clamping claw (3) is fixedly provided with a connecting ear (7), and the second end of the second movable rod (2) is fixedly connected to the connecting ear (7).

4. The pipe hanging fixture according to claim 1, characterized in that: A handle (8) is fixedly provided on the first section of one of the two second movable rods (2).

5. The pipe hanging fixture according to claim 1, characterized in that: The axial direction of the bolt (5) passes through the center of a circle corresponding to the inner wall of the arc-shaped clamping jaw (3).

6. The pipe hanging fixture according to claim 1, characterized in that: The two arc-shaped clamping jaws (3) are respectively provided with at least two screw holes, and bolts (5) are respectively provided in each screw hole. Arc-shaped clamping plates (6) are respectively provided on the inner sides of the two arc-shaped clamping jaws (3), and the arc-shaped clamping plates (6) are fixed inside the arc-shaped clamping jaws (3) by bolts (5). The two arc-shaped clamping plates (6) form a circular structure when the two arc-shaped clamping jaws (3) are matched.

7. The pipe hanging fixture according to claim 6, characterized in that: The pipe fitting hanging fixture is equipped with at least two groups of arc-shaped clamping plates (6) of different thicknesses. The arc-shaped clamping plates (6) in the same group are the same, the outer walls of the arc-shaped clamping plates (6) in different groups have the same radius, and the inner walls of the arc-shaped clamping plates (6) in different groups have different radiuses.

8. The pipe hanging fixture according to any one of claims 1 to 7, characterized in that: The first ends of the two first movable rods (1) are respectively provided with connection holes, and the two ends of the lifting ear (4) are respectively provided with connection holes. A pin shaft (9) is passed through the four connection holes, and the two ends of the lifting ear (4) are located outside the two first movable rods (1).

9. The pipe hanging fixture according to claim 8, characterized in that: The pin (9) is a bolt equipped with a nut.

10. The pipe hanging fixture according to claim 8, characterized in that: A washer (10) is also provided on the outer side of the pin shaft (9), and two ends of the washer (10) are respectively in contact with the two first movable rods (1).

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