CN112427570A - Reinforcing bar straightening ring cover removes drive arrangement - Google Patents
Reinforcing bar straightening ring cover removes drive arrangement Download PDFInfo
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- CN112427570A CN112427570A CN202011330732.9A CN202011330732A CN112427570A CN 112427570 A CN112427570 A CN 112427570A CN 202011330732 A CN202011330732 A CN 202011330732A CN 112427570 A CN112427570 A CN 112427570A
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- straightening
- hole
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- central line
- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/02—Straightening
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- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a reinforcing steel bar straightening ring sleeve movement driving device which comprises a reinforcing steel bar straightening device, wherein the reinforcing steel bar straightening device is provided with a straightening ring sleeve, a straightening inner hole is formed in the straightening ring sleeve, a lifting block is arranged on a sleeve body of the straightening ring sleeve in a protruding mode, an external connecting block is arranged on one side, opposite to the straightening inner hole, of the lifting block and is detachably connected to the lifting block, lifting grooves are formed in the lifting block and the external connecting block respectively to be folded to form a lifting hole, lifting threads are arranged on the inner wall of the lifting hole, an upper adjusting sliding rod and a lower adjusting sliding rod are arranged on two sides of the lifting hole and are fixed on the reinforcing steel bar straightening device, adjusting sliding sleeves are sleeved on the upper adjusting sliding rod and the lower adjusting sliding rod, a lifting screw rod is arranged between the two adjusting sliding sleeves, two ends of the lifting screw rod are respectively rotatably connected to the adjusting sliding sleeves. The straightening ring sleeve straightening device is simple in structure, an operator can straighten the straightening ring sleeve on the outer side of the steel bar straightening device, and the straightening ring sleeve straightening device is convenient and reliable to use.
Description
Technical Field
The invention relates to a part of a steel bar straightening device, in particular to a moving driving device of a steel bar straightening ring sleeve.
Background
Pile head marks are higher than design elevations when the cast-in-place pile is constructed according to the standard, and the pile head marks need to be manually removed to ensure the strength of a pile body. The pile body reinforcing steel bars are prone to bending after manual removal, and on-site common methods are that workers directly straighten pile head reinforcing steel bars, so that construction is very inconvenient, particularly straightening of large-diameter reinforcing steel bars is extremely difficult, straightening speed is low, and efficiency is low.
In order to solve the technical problems, the inventor invents a pile head reinforcing steel bar straightening device, which comprises a fixed ring sleeve and a straightening ring sleeve which are arranged on the same central line, wherein the inner diameter of the fixed ring sleeve is larger than the diameter of a reinforcing steel bar to be straightened, at least three fixing screw holes are uniformly arranged on the sleeve body of the fixed ring sleeve at intervals around the central line direction of the fixed ring sleeve, the fixing screw holes are through holes, the central lines of all the fixing screw holes extend in the radial direction of the fixed ring sleeve, the central lines of all the fixing screw holes are positioned on the same plane, fixing screw bolts matched with the fixing screw holes in a threaded manner are arranged at the fixing screw holes, the fixing screw bolts face one end of the inner hole of the fixed ring sleeve so as to extend into the inner hole of the fixed ring sleeve, a plurality of guide slide bars are uniformly arranged on the straightening ring sleeve at intervals around the central line direction of the straightening ring sleeve, a supporting platform is arranged on one side of the straightening ring sleeve, which is far away from the fixing ring sleeve, two ends of the guide slide rod are respectively and fixedly connected to the fixing ring sleeve and the supporting platform, the straightening ring sleeve is provided with a straightening inner hole which is in clearance fit with a steel bar to be straightened and is used for straightening the steel bar to be straightened, one end of the fixing stud, which is far away from the inner hole of the fixing ring sleeve, extends out of the fixing ring sleeve, one end of the fixing stud, which is positioned outside the fixing ring sleeve, protrudes outwards along the central line direction to form a screwing convex column, a U-shaped notch extending towards the direction of the fixing stud along the central line of the screwing convex column is formed on the end surface of one end, which is far away from the fixing stud, of the screwing convex column, the extension length of the U-shaped notch is no more than half of the length of the screwing convex column, a screwing piece in a circular shape is arranged at, the central line of the U-shaped notch and the central point of the screwing piece are positioned on the same straight line. However, because the straightening ring sleeve is provided with a plurality of guide sliding rods in a penetrating way to restrain the straightening ring sleeve, the operation space is limited, and therefore, the straightening ring sleeve cannot be operated easily.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a reinforcing bar straightening ring sleeve moving driving device which is convenient for moving a straightening ring sleeve.
In order to solve the technical problems, the invention adopts the following technical scheme:
a steel bar straightening ring sleeve movement driving device comprises a steel bar straightening device, wherein the steel bar straightening device is internally provided with a straightening ring sleeve capable of moving along a straight line direction, the straightening ring sleeve is provided with a straightening inner hole which extends along a direction parallel to the moving direction of the straightening ring sleeve and can straighten a steel bar, a lifting block is formed on the outward bulge of the body of the straightening ring sleeve, one side of the lifting block, which is back to the straightening inner hole, is provided with an external connecting block, the external connecting block is detachably connected to the lifting block, the side surfaces of the lifting block, which are opposite to the external connecting block, are respectively provided with lifting grooves which are opposite and extend along the direction parallel to the central line of the straightening inner hole, the lifting grooves are through grooves, when the external connecting block is connected to the lifting block, the two lifting grooves can be folded to form a lifting hole, the inner wall of the lifting hole is provided with a lifting thread from one end to the other end along the central line direction of the lifting hole, and the projection of, an upper adjusting slide bar and a lower adjusting slide bar which are oppositely and parallelly arranged are arranged on the reinforcing steel bar straightening device and correspond to the position of one side of a lifting block, the upper adjusting slide bar and the lower adjusting slide bar are respectively positioned on two sides of a straightening inner hole along the direction of the central line of the straightening inner hole, the direction of the central line of the upper adjusting slide bar and the direction of the central line of the lower adjusting slide bar are respectively arranged along the opposite directions of two lifting grooves in an extending way, one ends of the upper adjusting slide bar and the lower adjusting slide sleeve, which face towards the reinforcing steel bar straightening device, are respectively and fixedly connected with the reinforcing steel bar straightening device, the central line of the upper adjusting slide bar, the central line of the lower adjusting slide bar and the central line of a lifting hole are positioned on the same plane, adjusting slide sleeves capable of being in sliding fit with the upper adjusting slide bar and the lower adjusting slide bar along the direction of the central line are respectively sleeved on the upper adjusting slide, the lifting screw rod is formed with twisting portion towards the one end of last regulation slide bar along its central line direction arch, twist and have two at least being parallel to each other and twist the face of changeing with what lifting screw rod central line paralleled in order to conveniently twist the operation of changeing, twist the one end that the lifting screw rod was kept away from in the portion of changeing and be formed with last portion of rotating along its central line direction arch, lifting screw rod is formed with lower portion of rotating along its central line direction arch towards the one end of adjusting the slide bar down in, go up portion of rotating and lower portion of rotating and rotate respectively and connect in order to make lifting screw rod rotate around its central line direction on the regulation sliding sleeve of its place one side, lifting screw rod just passes through lifting screw and straightening ring cover screw-thread fit in order to move to the lifting hole.
Before the steel bar is straightened, the outer connecting block is firstly detached, the lifting screw rod is slid to move towards the direction of the straightening ring sleeve, the lifting screw rod is placed in the lifting groove on the lifting block, the thread on the lifting screw rod is matched with the lifting thread in the lifting groove on the lifting block, then the outer connecting block is installed, and the lifting screw rod is matched with the straightening ring sleeve through the lifting thread. When the lifting screw is screwed, the straightening ring sleeve can move along the direction parallel to the central line of the lifting screw, so that the straightening ring sleeve straightens the steel bar. The lifting screw is arranged outside the reinforcing steel bar straightening device, so that the interference condition does not exist, and the operation of an operator is facilitated.
As optimization, the straightening inner hole comprises a straightening front hole and a straightening rear hole which are arranged on the same central line, the straightening front hole is positioned on one side of the straightening end of the straightening ring sleeve to the steel bar, the diameter of the straightening front hole is larger than that of the straightening rear hole, a straightening inner sleeve is embedded in the straightening front hole and is arranged on the same central line with the straightening front hole, one end, facing the straightening rear hole, of the straightening inner sleeve abuts against the bottom of the straightening front hole, the length of the straightening inner sleeve along the central line direction is identical to that of the straightening front hole along the central line direction, the inner hole of the straightening inner sleeve is used for straightening the steel bar, and the inner diameter of the straightening inner sleeve is smaller than; the inner wall of the straightening front hole is symmetrically provided with two vertical grooves by taking the center line of the straightening front hole as a symmetry axis, the vertical grooves extend in the direction parallel to the center line of the straightening front hole, one end of each vertical groove extends to the bottom of the straightening front hole, the other end of each vertical groove is communicated with the straightening ring sleeve, the hole bottom of the straightening front hole and the position corresponding to each vertical groove are provided with a transverse groove in the direction of the hole diameter of the straightening front hole in an extending manner, the transverse groove is communicated with the corresponding vertical groove to form an L-shaped bent groove, a vertical rod extending in the extending direction of the vertical groove is accommodated in each vertical groove, the length of each vertical rod is larger than that of each vertical groove, each vertical rod can be in sliding fit with the vertical groove in the extending direction of the vertical groove, one end, facing towards the straightening rear hole, of each vertical rod is bent in the extending direction of the transverse groove to form a transverse rods, the transverse rods are accommodated in the transverse grooves, one end, on the side of the straightening ring sleeve, where the straightening front, the two hinge shafts are arranged along the direction parallel to the central line of the cross rod and have the same central line, and when the arched pull handle rotates to the position where the plane is vertical to the central line of the straightening ring sleeve, the projection of the arched pull handle along the direction vertical to the central line of the straightening ring sleeve is positioned outside the projection of the straightening inner sleeve along the direction of the central line of the straightening ring sleeve. In order to avoid the straightening inner sleeve from shaking in the straightening front hole, the tolerance fit between the straightening inner sleeve and the straightening front hole is small, when the straightening inner sleeve is embedded in the straightening front hole and needs to be taken out, the straightening inner sleeve needs to be drawn outside, the direction of the drawing force is difficult to be parallel to the direction of the central line of the straightening front hole, once deviation occurs, the contact between the straightening inner sleeve and the straightening front hole is increased, and the difficulty in taking out the straightening inner sleeve is further increased. In the invention, before the straightening inner sleeve is embedded, the vertical rod is firstly placed in the vertical groove, the cross rod at the front end of the vertical rod is placed in the cross groove, the vertical rod and the cross rod can not interfere with the embedding of the straightening inner sleeve, when the straightening inner sleeve needs to be taken out, the arched pull handle is rotated and then pulled, the arched pull handle can change the direction of a part of the acting force applied by an operator, after the acting force is transmitted to the vertical rod, the vertical rod can be in sliding fit along the extension direction of the vertical groove, the direction of the acting force is further changed, therefore, the cross rod below the vertical rod only receives the acting force along the extension direction of the cross rod and the extension direction of the vertical rod, and the cross rod is positioned below the straightening inner sleeve, so that the acting force along the extension direction of the cross rod can not interfere with the straightening inner sleeve, then the straightening inner sleeve only receives the acting force along the extension direction of the vertical rod, the straightening inner sleeve can be taken out more easily.
And optimally, an arc-shaped chamfer is arranged at the orifice of the inner hole at one end of the straightening inner sleeve, which is far away from the straightened hole. The steel bar is a ribbed steel bar, and the chamfer of the inner hole opening of the straightening inner sleeve is easy to interfere with the steel bar rib on the inclined steel bar, so that the clamping condition can occur. And the arc surface of the arc chamfer provides a transition surface for the reinforcing steel bar, so that the reinforcing steel bar can smoothly enter the inner hole of the straightening inner sleeve.
And optimally, a plurality of annular oil grooves which are the same as the center line of the straightening front hole are uniformly arranged on the inner wall of the straightening front hole along the direction of the center line of the straightening front hole at intervals, and the annular oil grooves are communicated with the vertical grooves. After the straightening inner sleeve is arranged in the straightening front hole, the straightening inner sleeve is affected by the environment and rusted, and the rusted oxides increase the difficulty in taking out the straightening inner sleeve. In the invention, by injecting lubricating oil into the vertical hole, the lubricating oil can enter the annular oil groove, and by virtue of the capillary phenomenon, the lubricating oil can permeate into the gap between the straightening front hole and the straightening inner sleeve to provide lubrication for the straightening front hole, so that the straightening inner sleeve is convenient to take out.
In conclusion, the beneficial effects of the invention are as follows: the straightening ring sleeve straightening device is simple in structure, an operator can straighten the straightening ring sleeve on the outer side of the steel bar straightening device, and the straightening ring sleeve straightening device is convenient and reliable to use.
Drawings
For purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a pile head rebar straightening device;
figure 2 is a cross-sectional view of a straightening ring in a pile head rebar straightening device.
Detailed Description
The invention is further explained in detail by the pile head reinforcing steel bar straightening device adopting the structure of the invention with the attached drawings.
As shown in fig. 1 and fig. 2, a pile head reinforcing bar straightening device in this embodiment includes a fixed ring sleeve 1 and a straightening ring sleeve 2 which are arranged on the same central line, the inner diameter of the fixed ring sleeve 1 is larger than the diameter of the reinforcing bar to be straightened, at least three fixing screw holes are uniformly arranged on the sleeve body of the fixed ring sleeve 1 at intervals around the central line direction thereof, the fixing screw holes are through holes, the central lines thereof extend along the radial direction of the fixed ring sleeve, the central lines of all the fixing screw holes are located on the same plane, fixing studs 3 in threaded fit with the fixing screw holes are arranged at the fixing screw holes, one end of the fixing stud 3 facing the inner hole of the fixed ring sleeve 1 can extend into the inner hole of the fixed ring sleeve 1, a plurality of guide slide bars 4 are uniformly arranged on the straightening ring sleeve 2 at intervals around the central line direction thereof, the central line direction of the guide slide bars 4 is parallel to the central line direction of the straightening ring sleeve 2, the straightening ring sleeve 2 can be slidably, a supporting platform 5 is arranged on one side of the straightening ring sleeve 2 far away from the fixing ring sleeve 1, two ends of a guide slide rod 4 are respectively and fixedly connected on the fixing ring sleeve 1 and the supporting platform 5, the straightening ring sleeve 2 is provided with a straightening inner hole which is in clearance fit with a steel bar to be straightened and is used for straightening the steel bar to be straightened, one end of the fixing stud 3 far away from the inner hole of the fixing ring sleeve 1 extends out of the fixing ring sleeve 1, one end of the fixing stud 3, which is positioned outside the fixing ring sleeve 1, is outwards bulged along the direction of the central line thereof to form a screwing convex column, a U-shaped notch which extends along the central line of the screwing convex column towards the fixing stud 3 is arranged on the end surface of the screwing convex column far away from the fixing stud 3, the extension length of the U-shaped notch is not more than half of the length of the screwing convex column, a circular screwing piece is arranged at one end of the screwing convex, the screwing piece is clamped and fixedly connected in the U-shaped notch, and the central line of the U-shaped notch and the central point of the screwing piece are positioned on the same straight line.
In the specific embodiment, the sleeve body of the straightening ring sleeve 2 protrudes outwards to form a lifting block, one side of the lifting block, which is back to the straightening inner hole, is provided with an external connecting block 6, the external connecting block 6 is detachably connected to the lifting block, the side surfaces of the lifting block, which are opposite to the external connecting block 6, are respectively provided with lifting grooves 7 which are opposite and extend along the direction parallel to the central line of the straightening ring sleeve 2, the lifting grooves 7 are through grooves, when the external connecting block 6 is connected to the lifting block, the two lifting grooves 7 can be folded to form a lifting hole, the inner wall of the lifting hole is provided with a lifting thread from one end to the other end along the central line direction thereof, the projection of the lifting hole along the central line direction thereof is positioned outside the projection of the supporting platform 5 along the central line direction of the lifting hole and the projection of the fixed ring sleeve 1 along the central line direction of the lifting hole, the position of the outer side of the supporting platform 5, which corresponds to the, the central line direction of the upper adjusting slide bar 8 extends along the opposite direction of the two lifting grooves 7, the position of the fixing ring sleeve 1, which is on the sleeve body and corresponds to the upper adjusting slide bar 8, is fixedly connected with a lower adjusting slide bar 9, the central line direction of the lower adjusting slide bar 9 is parallel to the central line direction of the upper adjusting slide bar 8, the central line of the lower adjusting slide bar 9 and the central line of the lifting hole are positioned on the same plane, the upper adjusting slide bar 8 and the lower adjusting slide bar 9 are respectively sleeved with an adjusting slide sleeve 10 which can be in sliding fit with the upper adjusting slide bar along the central line direction, a lifting screw 11 which extends along the central line direction of the lifting hole is arranged between the two adjusting slide sleeves 10, the central line of the lifting screw 11 is respectively positioned on the same plane with the central lines of the upper adjusting slide bar 8 and the lower adjusting slide bar 9, a twisting, twist and have two at least being parallel to each other and twist the face of changeing with 11 central lines of lifting screw parallel in order to conveniently twist the operation of changeing lifting screw 11 in the portion of changeing, twist the portion of changeing and keep away from the one end of lifting screw 11 and be formed with upper rotating portion along its central line direction arch, lifting screw 11 is formed with lower rotating portion along its central line direction arch towards the one end of adjusting slide bar 9 down, upper rotating portion and lower rotating portion rotate respectively and connect on the regulation sliding sleeve 10 of its place one side in order to make lifting screw 11 rotate around its central line direction, lifting screw 11 in order can move to in the lifting hole and through promoting the screw thread with 2 screw-thread fit of straightening ring cover.
In the specific embodiment, the straightening inner hole comprises a straightening front hole and a straightening rear hole which are arranged on the same central line, the straightening front hole is positioned on one side of the supporting platform 5, the diameter of the straightening front hole is larger than that of the straightening rear hole, a straightening inner sleeve 12 is embedded in the straightening front hole and is arranged on the same central line with the straightening front hole, one end, facing the straightening rear hole, of the straightening inner sleeve 12 abuts against the bottom of the straightening front hole, the length of the straightening inner sleeve 12 in the direction of the central line of the straightening inner sleeve is consistent with that of the straightening front hole in the direction of the central line of the straightening front hole, the inner hole of the straightening inner sleeve 12 is used for straightening reinforcing steel bars, and the inner diameter of; the inner wall of the straightening front hole is symmetrically provided with two vertical grooves by taking the center line of the straightening front hole as a symmetry axis, the vertical grooves extend in the direction parallel to the center line of the straightening front hole, one end of each vertical groove extends to the bottom of the straightening front hole, the other end of each vertical groove is communicated with the outside of the straightening ring sleeve 2, the hole bottom of the straightening front hole and the position corresponding to each vertical groove are provided with a transverse groove in the direction of the hole diameter of the straightening front hole, the transverse groove is communicated with the corresponding vertical groove to form an L-shaped bent groove, a vertical rod 13 extending in the extending direction of the vertical groove is accommodated in each vertical groove, the length of each vertical rod 13 is larger than that of each vertical groove, each vertical rod 13 can be in sliding fit with the vertical grooves in the extending direction, one end, facing the straightening rear hole, of each vertical rod 13 is bent in the extending direction of the transverse groove to form a transverse rod 14, the transverse rod 14 is accommodated in the transverse groove, one, two ends of an arched pull handle 15 are respectively hinged with one end of two vertical rods 13 extending out of the straightening ring sleeve 2 through hinge shafts, the two hinge shafts are arranged on the same central line and along the direction parallel to the central line of the cross rod 14, and when the arched pull handle 15 rotates to the position where the plane is perpendicular to the central line of the straightening ring sleeve 2, the projection of the arched pull handle 15 along the direction perpendicular to the central line of the straightening ring sleeve 2 is positioned outside the projection of the straightening inner sleeve 12 along the direction of the central line of the straightening ring sleeve 2.
In this embodiment, an arc-shaped chamfer is arranged at an inner hole opening of one end of the straightening inner sleeve 12 far away from the straightened hole.
In this specific embodiment, a plurality of annular oil grooves having the same center line as the straightening front hole are uniformly arranged on the inner wall of the straightening front hole at intervals along the direction of the center line of the straightening front hole, and the annular oil grooves are communicated with the vertical groove.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a reinforcing bar straightening ring cover removes drive arrangement, includes reinforcing bar straightening device, has among the reinforcing bar straightening device and can follow the linear direction and remove the straightening ring cover, has on the straightening ring cover along being on a parallel with straightening ring cover moving direction extend and can carry out the straightening hole of straightening to the reinforcing bar, its characterized in that: the sleeve body of the straightening ring sleeve is outwards protruded to form a lifting block, one side of the lifting block, which is back to the straightening inner hole, is provided with an external connecting block, the external connecting block is detachably connected to the lifting block, the side surface of the lifting block, which is opposite to the external connecting block, is respectively provided with lifting grooves which are opposite to each other and extend along the direction parallel to the central line of the straightening inner hole, the lifting grooves are through grooves, when the external connecting block is connected to the lifting block, the two lifting grooves can be folded to form a lifting hole, the inner wall of the lifting hole is provided with a lifting thread from one end to the other end along the central line direction of the lifting thread, the projection of the lifting hole along the central line direction of the reinforcing steel bar straightening device is positioned outside the projection along the central line direction of the lifting hole, an upper adjusting slide rod and a lower adjusting slide rod which are oppositely and parallelly arranged are arranged on the reinforcing steel bar straightening device and correspond to the position of, the central line direction of the upper adjusting slide rod and the central line direction of the lower adjusting slide rod are both arranged along the opposite directions of the two lifting grooves in an extending manner, one ends, facing the steel bar straightening device, of the upper adjusting slide rod and the lower adjusting slide sleeve are respectively and fixedly connected with the steel bar straightening device, the central lines of the upper adjusting slide rod and the lower adjusting slide sleeve are respectively positioned on the same plane, the upper adjusting slide rod and the lower adjusting slide rod are respectively sleeved with an adjusting slide sleeve capable of being in sliding fit with the upper adjusting slide sleeve along the central line direction of the upper adjusting slide rod, a lifting screw rod extending along the direction parallel to the central line direction of the lifting hole is arranged between the two adjusting slide sleeves, the central line of the lifting screw rod is respectively positioned on the same plane as the central lines of the upper adjusting slide rod and the lower adjusting slide rod, one end, facing the upper adjusting slide rod, of the lifting screw rod is convexly provided with a twisting part along the central line direction of the The operation, twist the portion of changeing and keep away from the one end of lifting screw and be formed with the portion of rotating up along its central line direction arch, the lifting screw orientation in the one end of adjusting the slide bar down be formed with down the portion of changeing along its central line direction arch, go up the portion of changeing and rotate respectively with lower portion of changeing and connect in order to make the lifting screw rotate around its central line direction on the regulation slide bar on one side, the lifting screw is in order to move to lifting hole and through lifting screw and straightening ring cover screw-thread fit.
2. The rebar straightening loop movement driving device as claimed in claim 1, wherein: the straightening inner hole comprises a straightening front hole and a straightening rear hole which are arranged on the same central line, the straightening front hole is positioned on one side of the straightening end of the straightening ring sleeve to the steel bar, the diameter of the straightening front hole is larger than that of the straightening rear hole, a straightening inner sleeve is embedded in the straightening front hole and is arranged on the same central line with the straightening front hole, one end, facing the straightening rear hole, of the straightening inner sleeve abuts against the bottom of the straightening front hole, the length of the straightening inner sleeve along the central line direction is consistent with that of the straightening front hole along the central line direction, the inner hole of the straightening inner sleeve is used for straightening the steel bar, and the inner diameter of the straightening inner sleeve is smaller than; the inner wall of the straightening front hole is symmetrically provided with two vertical grooves by taking the center line of the straightening front hole as a symmetry axis, the vertical grooves extend in the direction parallel to the center line of the straightening front hole, one end of each vertical groove extends to the bottom of the straightening front hole, the other end of each vertical groove is communicated with the straightening ring sleeve, the hole bottom of the straightening front hole and the position corresponding to each vertical groove are provided with a transverse groove in the direction of the hole diameter of the straightening front hole in an extending manner, the transverse groove is communicated with the corresponding vertical groove to form an L-shaped bent groove, a vertical rod extending in the extending direction of the vertical groove is accommodated in each vertical groove, the length of each vertical rod is larger than that of each vertical groove, each vertical rod can be in sliding fit with the vertical groove in the extending direction of the vertical groove, one end, facing towards the straightening rear hole, of each vertical rod is bent in the extending direction of the transverse groove to form a transverse rods, the transverse rods are accommodated in the transverse grooves, one end, on the side of the straightening ring sleeve, where the straightening front, the two hinge shafts are arranged along the direction parallel to the central line of the cross rod and have the same central line, and when the arched pull handle rotates to the position where the plane is vertical to the central line of the straightening ring sleeve, the projection of the arched pull handle along the direction vertical to the central line of the straightening ring sleeve is positioned outside the projection of the straightening inner sleeve along the direction of the central line of the straightening ring sleeve.
3. The rebar straightening loop movement driving device as claimed in claim 2, wherein: and an arc-shaped chamfer is arranged at the orifice of the inner hole at one end of the straightening inner sleeve, which is far away from the straightening back hole.
4. The rebar straightening loop movement driving device as claimed in claim 2, wherein: and a plurality of annular oil grooves which are the same as the center line of the straightening front hole are uniformly arranged on the inner wall of the straightening front hole along the direction of the center line of the straightening front hole at intervals, and the annular oil grooves are communicated with the vertical grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011330732.9A CN112427570B (en) | 2020-11-24 | 2020-11-24 | Pile head reinforcing steel bar straightening device with straightening ring sleeve moving driving mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011330732.9A CN112427570B (en) | 2020-11-24 | 2020-11-24 | Pile head reinforcing steel bar straightening device with straightening ring sleeve moving driving mechanism |
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| CN112427570A true CN112427570A (en) | 2021-03-02 |
| CN112427570B CN112427570B (en) | 2022-08-26 |
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