阅读说明：本技术 一种管材移动牵拉装置 (Pipe moving traction device ) 是由 董祉序 孙兴伟 徐芳素 陈长征 于 2019-10-31 设计创作，主要内容包括：一种管材移动牵拉装置,其特征在于：该装置包括Z形支架和设置在Z形支架前端的撑紧装置；撑紧装置包括两个活动支杆和一根拉杆；本发明结构简洁合理,使用方便快捷,利于推广应用。(A pipe moving and pulling device is characterized in that: the device comprises a Z-shaped bracket and a tightening device arranged at the front end of the Z-shaped bracket; the tightening device comprises two movable supporting rods and a pull rod; the invention has simple and reasonable structure, convenient and quick use and is beneficial to popularization and application.)

1. A pipe moving and pulling device is characterized in that: the device comprises a Z-shaped bracket (1) and a tightening device arranged at the front end of the Z-shaped bracket (1);

the tightening device comprises two movable supporting rods (2) and a pull rod (3);

the rear ends of the two movable supporting rods (2) are movably connected through a movable shaft (4) to form a V-shaped structure with the front end capable of being opened and closed, a transverse supporting rod (2-1) is arranged between the two movable supporting rods (2), and two ends of the transverse supporting rod (2-1) extend into sliding grooves (2-2) in the inner side walls of the two movable supporting rods (2) and can move along the sliding grooves; the front end of the pull rod (3) is connected with a transverse stay bar (2-1), the rear end of the pull rod (3) is provided with a hand-holding handle (3-1), and the pull rod (3) is a structure which can pull the transverse stay bar (2-1) to move back and forth so as to control the front ends of the two movable supporting rods (2) to do opening and closing actions;

a flat plate (1-1) at the rear part of the Z-shaped bracket (1) is provided with a bandage (1-2) for binding the upper arm when in use.

2. A pipe moving and pulling apparatus as set forth in claim 1, wherein: the outer sides of the front ends of the two movable supporting rods (2) are movably provided with top plates (2-3).

3. A pipe moving and pulling apparatus as set forth in claim 2, wherein: the top sheet (2-3) is movably connected with the front end of the movable support rod (2) through a rotating shaft (2-5).

4. A pipe moving and pulling apparatus as set forth in claim 2, wherein: the outer side wall of the top sheet (2-3) is arc-shaped.

5. A pipe moving and pulling apparatus as set forth in claim 1, wherein: the pull rod (3) is of a structure capable of adjusting the length.

6. A pipe moving and pulling apparatus as set forth in claim 5, wherein: the pull rod (3) comprises a rear pipe (3-2) and a front rod (3-3), the front rod (3-3) is provided with external threads, the rear pipe (3-2) is provided with internal threads, one end of the front rod (3-3) is connected with the transverse supporting rod (2-1), and the other end of the front rod (3-3) extends into the rear pipe (3-2) to be in threaded fit with the rear pipe.

7. A pipe moving and pulling apparatus as defined in claim 1 or 6, wherein: the pull rod (3) is connected with the transverse support rod (2-1) through a rotating ring (3-4).

8. A pipe moving and pulling apparatus as set forth in claim 1, wherein: the two ends of the transverse supporting rod (2-1) are provided with ball heads extending into the sliding grooves (2-2).

9. A pipe moving and pulling apparatus as set forth in claim 1, wherein: the rear end of the pull rod (3) is connected with a hand grip (3-1) through a universal joint.

10. A pipe moving and pulling apparatus as defined in any one of claims 1 to 4, wherein: the outer side wall of the top sheet (2-3) is provided with colloidal particles for increasing friction force.

Technical Field

The invention relates to a pipe moving and drawing device.

Background

Metal pipes are used in many fields, such as water conservancy, heating, gas supply, hydraulic cylinders and the like, and are generally stacked together during the period of finished products and semi-finished products, as shown in fig. 4, but if a certain pipe needs to be drawn out from the middle, the operation is not convenient, hands are easily injured by other steel pipes during the drawing process if the pipe is directly operated by hands, and the damage to the pipe is easily caused if the edge of an opening at one end of the pipe is clamped by using the existing clamping tools (such as pliers and the like); in addition, some pipes need to be specially processed at pipe ports, such as inner wall polishing and port chamfering near the ports, and in the actual production process, because the amount is large, the pipes are directly stacked together after production, and the stacked pipes need to be checked for improving the yield, once the ports of some pipes are found to be subjected to leakage processing, the pipelines subjected to leakage processing need to be independently reprocessed by using manual equipment, so that the pipes need to be extracted, but at present, no good method is available for realizing efficient operation of extracting the pipes. In addition, there is no convenient tool for moving the short pipe or the sleeve.

Disclosure of Invention

The purpose of the invention is as follows:

the invention provides a pipe moving and drawing device, and aims to solve the problems in the prior art. The present invention is mainly applied to a pipe having a diameter of 80 mm to 300 mm (this pipe is also most applied).

The technical scheme is as follows:

a pipe moving and pulling device is characterized in that: the device comprises a Z-shaped bracket and a tightening device arranged at the front end of the Z-shaped bracket;

the tightening device comprises two movable supporting rods and a pull rod;

the rear ends of the two movable supporting rods are movably connected through a movable shaft to form a V-shaped structure (as shown in figure 1) with the front end capable of being opened and closed, a transverse supporting rod is arranged between the two movable supporting rods, and two ends of the transverse supporting rod extend into sliding grooves in the inner side walls of the two movable supporting rods and can move along the sliding grooves; the front end of the pull rod is connected with a transverse stay bar, the rear end of the pull rod is provided with a hand grab handle, and the pull rod is a structure which can pull the transverse stay bar to move forwards and backwards (namely move leftwards and rightwards in figure 1) so as to control the front ends of the two movable supporting rods to do opening and closing actions;

a strap for binding the upper arm when in use is arranged on the flat plate at the rear part of the Z-shaped bracket.

The outer sides of the front ends of the two movable supporting rods are movably provided with top plates.

The top plate is movably connected with the front end of the movable support rod through a rotating shaft. (As shown in FIG. 1, the axis of the shaft is perpendicular to the drawing)

The outer side wall of the top sheet is curved (as shown in figure 3).

The pull rod is a structure capable of adjusting the length.

The pull rod includes back pipe and front rod, and the front rod has the external screw thread, and the back pipe has the internal thread, and the one end and the transverse supporting rod of front rod are connected, and the other end of front rod stretches into in the back pipe with back pipe screw-thread fit.

The pull rod is connected with the transverse support rod through the rotating ring. (the rotating ring is sleeved on the transverse supporting rod and can drive by taking the transverse supporting rod as an axis, but the rotating ring cannot move axially along the transverse supporting rod, which can be realized by adopting any prior art, for example, a plurality of limit keys are added to limit the axial movement of the rotating ring, or limit grooves and the like can be added)

The two ends of the transverse stay bar are provided with ball heads extending into the sliding grooves. (the ball head is blocked in the chute and can only move in the chute but can not be separated from the chute, and can be coated with lubricating oil in the chute to facilitate the movement)

The rear end of the pull rod is connected with the handle through a universal joint (the existing product can be directly bought).

The top piece lateral wall is provided with the micelle of increase frictional force.

A groove which can adapt to the shape of the upper arm is arranged on the flat plate at the rear part of the Z-shaped bracket.

The advantages and effects are as follows:

the invention provides a pipe moving and drawing device, which adopts two movable support rods to support the inner wall of a pipe and then draws the pipe out for a certain distance (generally, the pipe can be drawn out by 100 mm, the pipe can be conveniently operated when the pipe is drawn out by 100 mm, and the pipe can be conveniently operated no matter the pipe needs to be completely drawn out or only the port needs to be processed in the follow-up process).

Drawings

FIG. 1 is a schematic top view of the overall structure of the present invention;

FIG. 2 is a schematic representation of the use of the present invention;

FIG. 3 is a schematic view of one form of topsheet;

FIG. 4 is a schematic view of stacking tubes.

Detailed Description

A pipe moving and pulling device is characterized in that: the device comprises a Z-shaped bracket 1 and a tightening device arranged at the front end of the Z-shaped bracket 1;

the tightening device comprises two movable supporting rods 2 and a pull rod 3;

the rear ends of the two movable supporting rods 2 are movably connected through a movable shaft 4 to form a V-shaped structure (as shown in figure 1) with the front end capable of being opened and closed, a transverse supporting rod 2-1 is arranged between the two movable supporting rods 2, and two ends of the transverse supporting rod 2-1 extend into sliding grooves 2-2 in the inner side walls of the two movable supporting rods 2 and can move along the sliding grooves; the front end of the pull rod 3 is connected with a transverse stay bar 2-1, the rear end of the pull rod 3 is provided with a hand grab handle 3-1, and the pull rod 3 is a structure which can pull the transverse stay bar 2-1 to move back and forth (namely to move left and right in figure 1) so as to control the front ends of the two movable supporting rods 2 to do opening and closing actions;

a flat plate 1-1 at the rear part of the Z-shaped bracket 1 is provided with a bandage 1-2 for binding the upper arm when in use

The outer sides of the front ends of the two movable supporting rods 2 are movably provided with top plates 2-3.

The top sheet 2-3 is movably connected with the front end of the movable supporting rod 2 through a rotating shaft 2-5. (As shown in FIG. 1, the axial direction of the rotating shafts 2-5 is perpendicular to the drawing)

The outer side wall of the top sheet 2-3 is curved (as shown in figure 3).

The pull rod 3 is a structure capable of adjusting the length.

The pull rod 3 comprises a rear pipe 3-2 and a front rod 3-3, the front rod 3-3 is provided with external threads, the rear pipe 3-2 is provided with internal threads, one end of the front rod 3-3 is connected with the transverse supporting rod 2-1, and the other end of the front rod 3-3 extends into the rear pipe 3-2 to be matched with the rear pipe in a threaded mode.

The pull rod 3 is connected with the transverse supporting rod 2-1 through a rotating ring 3-4. (the rotating ring 3-4 is sleeved on the transverse supporting rod 2-1 and can be driven by taking the transverse supporting rod 2-1 as an axis, but the rotating ring 3-4 cannot move axially along the transverse supporting rod 2-1. the axial movement of the rotating ring 3-4 can be limited by adopting any prior art, for example, limiting keys are added to limit the axial movement of the rotating ring 3-4, or limiting grooves and the like can be added)

Two ends of the transverse supporting rod 2-1 are provided with ball heads extending into the sliding grooves 2-2. (the ball head is clamped in the chute 2-2 and can only move in the chute 2-2 but can not be separated from the chute 2-2, and lubricating oil can be coated in the chute to facilitate the movement)

The rear end of the pull rod 3 is connected with a hand grip 3-1 through a universal joint (the existing product can be directly bought).

The outer side wall of the top sheet 2-3 is provided with rubber particles for increasing friction force.

A flat plate 1-1 at the rear part of the Z-shaped bracket 1 is provided with a groove 1-1-1 which can adapt to the shape of the upper arm.

When the invention is used, as shown in fig. 2, the hand holding handle 3-1 is held by the hand shown in fig. 2, then the upper arm is wound by the bandage 1-2, the bandage 1-2 can adopt any one of the prior adjustable bandage forms, the length of the bandage can be adjusted according to the arm, which belongs to the prior art, and the fixing form of the bandage can also adopt the fixing form similar to a backpack or a belt in the way similar to the prior backpack or belt; then the hand is extended forwards (leftwards as shown in figure 2) to enable the front ends of the movable supporting rods 2 to be gradually folded, when the distance between the front ends of the two movable supporting rods 2 is enough to extend into the pipe, the front end of the movable supporting rod 2 can be extended into the pipe A, the extending distance is generally that the distance L between the front end of the movable supporting rod 2 and the pipe orifice is not less than 100 mm, so that the movable supporting rod 2 is provided with the slippage and outflow allowance, since in extreme cases a slight slip may occur during the pulling, but as long as a sufficient amount is left, there is no problem, because the inner walls of most semi-finished pipes are not smooth (except for PVC pipes or pipes similar to PVC, the invention mainly aims at metal pipes, and because the PVC pipes and the like have low mass per se, the PVC pipes do not need to be utilized by the device of the application), the semi-finished pipes cannot slide to the bottom even if the semi-finished pipes slide, and the semi-finished pipes can not slide temporarily at most.

Then, as shown in fig. 2, the hand grip 3-1 is pulled backwards (to the right as shown in fig. 2), that is, the forearm rotates around the elbow, at this time, the Z-shaped support 1 and the upper arm are both immobile, when the top plate 2-3 abuts against the inner wall of the tube a, the arm is pulled backwards as a whole, that is, the whole arm is pulled backwards while the hand grip 3-1 is tightened, that is, the whole Z-shaped support 1 moves, and the tube is pulled out, and the forearm continues to pull the hand grip 3-1 with the hand during the whole pulling-out process, and the tube can be pulled out in a rhythmic manner.

In addition, the invention can also be applied to the lifting movement of some short pipes or sleeves, and the like, the principle is the same as the above, namely, the movable supporting rod 2 is downwards extended into the short pipe, then the forearm is upwards bent, and then the whole arm moves to lift the short pipe or the sleeve and move the short pipe or the sleeve to the designated position, and the use is also extremely convenient and fast.

After the use, the hand moves forwards, so that the front end of the movable supporting rod 2 is gradually folded, and then the movable supporting rod 2 is taken out.