CN205684948U - A kind of lightweight scalable processing support bar - Google Patents

Abstract

The utility model discloses a kind of lightweight scalable processing support bar, including center-pole and two thin-wall steel tubes；Described center-pole two ends are connected with thin-wall steel tube described in respectively；Described thin-wall steel tube the inner is provided with governor motion, and described thin-wall steel tube is connected with described center-pole by described governor motion.Utilize governor motion to instead of the female thread structure of thick walled steel tube of the prior art, alleviate weight.Support bar of the present utility model utilizes governor motion to replace the female thread structure of prior art medium thickness pipe, has been greatly reduced the weight of support bar, and technical staff is convenient freedom when operating support bar.The governor motion simultaneously utilizing different structure adjusts the relative position between center-pole and thin-wall steel tube, thus regulates the length of whole support bar, efficiently, the most convenient and practical.

Description

A lightweight adjustable craft support rod

technical field

The utility model relates to a process support rod for preventing deformation of workpieces during processing, in particular to a lightweight and adjustable process support rod.

Background technique

The process support rod is generally used to stabilize the profile structure. Before processing the welded profile, the telescopic process support rod is used to tighten the inside of the profile, so as to avoid the inward twisting and deformation of the profile during processing. Please refer to Figure 1. At present, in order to stabilize the structure of the technical support rods used in the rail transit industry, long-distance internal threads are generally processed on the inner side of the steel pipe for screwing in and out of the screw rod. For the stable fit of the internal thread, Generally, thick-walled steel pipes are used, and then the distance adjustment is realized by rotating the thick-walled steel pipes and screw rods. The ends of the thick-walled steel pipes are provided with hooks or sleeves connected with the structural parts of the car body, so as to realize the adjustment of the width of the structural parts of the car body. The design structure of this kind of process support rod, thick-walled steel pipe is of high quality, and the internal thread distance is long, and once the internal thread is corroded, this kind of screw will not be used, the manufacturing cost is high, the use is cumbersome, the labor intensity of the operator is increased, and the efficiency is not high.

Utility model content

In order to overcome the shortcomings and deficiencies of the prior art, the utility model discloses a light-weight adjustable process support rod, which includes a central rod and two thin-walled steel pipes; both ends of the central rod are respectively connected to a thin-walled steel pipe ; The inner end of the thin-walled steel pipe is provided with an adjustment mechanism, and the thin-walled steel pipe is connected with the central rod through the adjustment mechanism. The internal thread structure of the thick-walled steel pipe in the prior art is replaced by the adjusting mechanism, thereby reducing the weight.

Further, the central rod includes a central part and a connecting part, the connecting parts are respectively located at two ends of the central part, and the outer diameter of the central part is equal to the outer diameter of the thin-walled steel pipe.

Further, the connecting parts at both ends of the central rod are provided with external threads, the adjustment mechanism is a connecting nut, and the connecting nut is welded to the inner end of the thin-walled steel pipe, and the connecting nut and the external thread of the central rod Cooperate. The relative position adjustment between the central rod and the thin-walled steel pipe is realized by using the connecting nuts to cooperate with the external threads at both ends of the central rod.

Further, the outer end of the thin-walled steel pipe is closed, and the inner wall of the outer end is provided with a clamping spring. The setting of the top tension spring helps to prevent the center rod from loosening after being screwed in.

Further, the inner end of the thin-walled steel pipe is provided with an open gap groove, and the gap groove is arranged along the axial direction of the thin-walled steel pipe; the adjustment mechanism is arranged on the outer wall of the thin-wall steel pipe, and the adjustment mechanism can shrink The width of the clearance slot. The diameter of the inner end of the thin-walled steel pipe is reduced by the adjusting mechanism, thereby locking the central rod.

Further, the adjustment mechanism includes a locking ring, a locking bolt and a locking nut, the locking ring is sleeved on the outer wall of the thin-walled steel pipe, the locking ring is provided with an opening, and both sides of the opening are provided with There is a protrusion protruding outward, the locking bolt passes through the protrusion, and the locking nut is arranged at the outermost end of the locking bolt. Such a structure is simple, stable and convenient to adjust.

Further, the outer end of the thin-walled steel pipe is provided with a protruding sleeve, the connection structure includes a top plate, and a first boss is provided on the surface of the top plate, and the first boss can be snapped into the sleeve. in the barrel. After the sleeve at the outer end of the thin-walled steel pipe is inserted into the first boss, it can tighten the top plate along the axial direction of the first boss.

Further, the side wall of the first protruding post is provided with a second protruding post, the central axis of the second protruding post is perpendicular to the central axis of the first protruding post, and the second protruding post can be snapped into the in the sleeve described above. The setting of the second boss is to make the connection mechanism suitable for different workpieces.

The support rod of the utility model replaces the internal thread structure of the thick-walled steel pipe in the prior art with an adjustment mechanism, which greatly reduces the weight of the support rod, making it more convenient and free for technicians to operate the support rod. At the same time, adjusting mechanisms of different structures are used to adjust the relative position between the central rod and the thin-walled steel pipe, thereby adjusting the length of the entire support rod, which is simple, efficient, convenient and practical.

For better understanding and implementation, the utility model will be described in detail below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is a schematic diagram of a support rod using a thick-walled steel pipe in the prior art.

Fig. 2 is a schematic diagram of Embodiment 1 in the utility model.

Fig. 3 is a cross-sectional view of Embodiment 1 of the utility model.

Fig. 4 is a schematic diagram of the second embodiment of the utility model.

detailed description

Embodiment one

Please refer to Fig. 2 and Fig. 3, a kind of lightweight adjustable process support rod, including a central rod 10 and two thin-walled steel pipes 20; two ends of the central rod 10 are respectively connected with a thin-walled steel pipe 20; The inner end of the thin-walled steel pipe 20 is provided with an adjustment mechanism, and the thin-walled steel pipe 20 is connected with the central rod 10 through the adjustment mechanism; the outer end of the thin-walled steel pipe 20 is provided with a connecting mechanism.

The central rod 10 includes a central portion and a connecting portion, the connecting portions are respectively located at two ends of the central portion, and the outer diameter of the central portion is equal to the outer diameter of the thin-walled steel pipe 20 .

Both ends of the central rod 10 are provided with external threads, the adjustment mechanism is a connecting nut 11, and the connecting nut 11 is welded on the inner end of the thin-walled steel pipe 20, and the connecting nut 11 and the outer surface of the central rod 10 Thread fit. The outer end of the thin-walled steel pipe 20 is closed, and the inner wall of the outer end is provided with a clamping spring 21 .

The outer end of the thin-walled steel pipe 20 is provided with a protruding sleeve 60, and the connection structure includes a top plate 61, the surface of the top plate 61 is provided with a first boss 62, and the first boss 62 can be snapped into in the sleeve 60 . The side wall of the first protruding post 62 is provided with a second protruding post 63, the central axis of the second protruding post 63 is perpendicular to the central axis of the first protruding post 62, and the second protruding post 63 can be locked into the sleeve 60.

The sleeve 60 at the outer end of the thin-walled steel pipe 20 can be inserted into the first protruding post 62 or the second protruding post 63 so as to change the different angles of the top plate 61 to meet the requirements of different workpieces.

The central rod 10 is used to connect two thin-walled steel pipes 20, and the thin-walled steel pipes 20 are hollow, so the two ends of the central rod 10 can be inserted into the thin-walled steel pipes 20 to adjust the whole support rod The length to meet the shaping requirements of different workpieces.

In this embodiment, the inner end of the thin-walled steel pipe 20 is provided with a connecting nut 11, the inner diameter thread of the connecting nut 11 matches the outer thread at both ends of the central rod 10, and the central rod 10 passes through the The connecting nut 11 is screwed into the thin-walled steel pipe 20, and screwed out by a certain distance when the length of the support rod needs to be extended.

The outer end of the thin-walled steel pipe 20 is closed, and a tightening spring 21 is provided on the inner wall of the outer end. When the central rod 10 is screwed into the thin-walled steel pipe 20, the end of the center end will be in contact with the tightening spring 21, And compress the clamping spring 21, rely on the elastic force produced by the clamping spring 21 to clamp the central rod 10, the friction between the central rod 10 and the connecting nut 11 increases, so that the central rod 10 and the thin-walled steel pipe 20 are less prone to looseness.

Embodiment two

Please refer to Fig. 4, a kind of lightweight adjustable process support bar, comprises center bar 30 and two thin-walled steel pipes 40; The two ends of described center bar 30 are respectively connected with a described thin-walled steel pipe 40; Said thin-walled steel pipe The inner end of 40 is provided with an adjustment mechanism, and the thin-walled steel pipe 40 is connected with the central rod 30 through the adjustment mechanism; the outer end of the thin-walled steel pipe 40 is provided with a connection mechanism.

The inner end of the thin-walled steel pipe 40 is provided with an open gap groove 41, and the gap groove 41 is arranged axially along the thin-walled steel pipe 40; the adjustment mechanism is arranged on the outer wall of the thin-wall steel pipe 40, and the adjustment mechanism The width of the clearance groove 41 can be reduced. The adjustment mechanism includes a locking ring 51, a locking bolt 52 and a locking nut 53. The locking ring 51 is sleeved on the outer wall of the thin-walled steel pipe 40. The locking ring 51 is provided with an opening, and the opening has two Each side is provided with an outwardly protruding protrusion 511 , the locking bolt 52 passes through the protrusion 511 , and the locking nut 53 is arranged at the outermost end of the locking bolt 52 .

In this embodiment, the inner end of the thin-walled steel pipe 40 is divided into several parts through the gap groove 41 provided at the inner end of the thin-walled steel pipe 40, and the gap groove 41 is left between each part. After the central rod 30 is inserted into the thin-walled steel pipe 40, the gap groove 41 is narrowed by the adjustment mechanism, so that the inner wall of the thin-walled steel pipe 40 is in close contact with the central rod 30 and pressed tightly, thereby fixing the position of the central rod 30 .

In this embodiment, the locking ring 51 of the adjustment mechanism is sleeved on the outer wall of the inner end of the thin-walled steel pipe 40, and the locking ring 51 is provided with an opening, and the locking ring 51 is clamped by the protrusions 511 on both sides of the opening so that The inner diameter of 51 is reduced, so as to squeeze the inner end of the thin-walled steel pipe 40 . The locking bolt 52 cooperates with the locking nut 53 to shorten the distance between the two protrusions 511 , thereby reducing the inner diameter of the locking ring 51 .

The support rod of the utility model replaces the internal thread structure of the thick-walled steel pipe in the prior art with an adjustment mechanism, which greatly reduces the weight of the support rod, making it more convenient and free for technicians to operate the support rod. At the same time, adjusting mechanisms of different structures are used to adjust the relative position between the central rod and the thin-walled steel pipe, thereby adjusting the length of the entire support rod, which is simple, efficient, convenient and practical.

The utility model is not limited to the above-mentioned embodiment, if the various modifications or deformations of the utility model do not depart from the spirit and scope of the utility model, if these changes and deformations belong to the claims of the utility model and the equivalent technical scope, Then the utility model also intends to include these modifications and variations.

Claims (8)

1. A lightweight adjustable process support rod, characterized in that: it comprises a central rod and two thin-walled steel pipes; the two ends of the central rod are respectively connected with a described thin-walled steel pipe; There is an adjustment mechanism, and the thin-walled steel pipe is connected with the central rod through the adjustment mechanism. 2. The lightweight adjustable process support rod according to claim 1, characterized in that: the central rod comprises a central part and a connecting part, the connecting parts are respectively located at two ends of the central part, and the central part The outer diameter is equal to the outer diameter of the thin-walled steel pipe. 3. The lightweight adjustable process support rod according to claim 2, characterized in that: the connecting parts at both ends of the central rod are provided with external threads, the adjustment mechanism is a connecting nut, and the connecting nut is welded on the At the inner end of the thin-walled steel pipe, the connecting nut cooperates with the external thread of the central rod. 4. The light-weight adjustable process support rod according to claim 3, characterized in that: the outer end of the thin-walled steel pipe is closed, and the inner wall of the outer end is provided with a clamping spring. 5. The lightweight adjustable process support rod according to claim 1, characterized in that: the inner end of the thin-walled steel pipe is provided with an open gap groove, and the gap groove is arranged axially along the thin-walled steel pipe; The adjusting mechanism is arranged on the outer wall of the thin-walled steel pipe, and the adjusting mechanism can reduce the width of the gap groove. 6. The lightweight adjustable process support rod according to claim 5, characterized in that: the adjustment mechanism includes a locking ring, a locking bolt and a locking nut, and the locking ring is sleeved on the thin-walled steel pipe The outer wall, the locking ring is provided with an opening, and both sides of the opening are provided with outwardly protruding bumps, the locking bolt passes through the bumps, and the locking nut is arranged on the locking The outermost end of the bolt. 7. The lightweight adjustable process support rod according to claim 1, characterized in that: the outer end of the thin-walled steel pipe is provided with a protruding sleeve, and the outer end of the thin-walled steel pipe is provided with a connecting mechanism, The connection mechanism includes a top plate, the surface of the top plate is provided with a first protrusion, and the first protrusion can be snapped into the sleeve. 8. The light-weight adjustable process support bar according to claim 7, characterized in that: the side wall of the first boss is provided with a second boss, and the central axis of the second boss is perpendicular to the The central axis of the first boss, the second boss can be snapped into the sleeve.