CN217889366U - Pile head reinforcing bar straightener for construction - Google Patents
Pile head reinforcing bar straightener for construction Download PDFInfo
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- CN217889366U CN217889366U CN202221804829.3U CN202221804829U CN217889366U CN 217889366 U CN217889366 U CN 217889366U CN 202221804829 U CN202221804829 U CN 202221804829U CN 217889366 U CN217889366 U CN 217889366U
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Abstract
The utility model belongs to the technical field of the reinforcing bar alignment, especially, relate to a pile head reinforcing bar straightener for construction. The technology comprises a first adjusting rod which is horizontally arranged, wherein a second adjusting rod which is arranged in a crossed mode is hinged to the middle of the first adjusting rod, a straightening head is fixed to the left end of the first adjusting rod, a fixed pulley which is matched with the straightening head to straighten the reinforcing steel bar is arranged on the right side of the straightening head, the fixed pulley is connected to the second adjusting rod through a straightening arm, and an adjusting mechanism for adjusting the right arm angle of the first adjusting rod and the right arm angle of the second adjusting rod is arranged between the right end of the first adjusting rod and the right end of the second adjusting rod. The utility model discloses a first alignment pole articulates on second alignment pole, is the cross setting, then utilizes adjustment mechanism to adjust first alignment pole and second alignment pole, accomplishes the alignment work to the pile head reinforcing bar under the condition that does not adopt the oil pump, has reduced the manufacturing cost of straightener to a certain extent.
Description
Technical Field
The utility model belongs to the technical field of the reinforcing bar alignment, especially, relate to a pile head reinforcing bar straightener for construction.
Background
In the building construction process, concrete above the elevation is broken through the pile head of the pile foundation at the current stage, the concrete of the pile head is broken through a pneumatic pick or a breaking hammer, main reinforcing steel bars on the periphery can deform and bend after the concrete is broken, and the bending and deforming reinforcing steel bars are adjusted and straightened before follow-up construction. Present pile head bar straightener is by motor drive oil pump work in the work, the oil pump passes through the hydro-cylinder of oil pipe pump sending to alignment head the inside with hydraulic oil, the hydraulic oil drive piston of hydro-cylinder is reciprocating motion under the effect of must pressure, piston motion's in-process reaches alignment reinforcing bar purpose, because of the cost of its oil pump and hydraulic oil is higher, in some small-size projects, only pile head reinforcing bar aligns occasionally, can't go to purchase a bar straightener in the journey specially adapted because of cost reason, thereby can only be through the alignment of a plurality of manual works to the reinforcing bar, influence work efficiency, and hydraulic oil belongs to the consumption article, make the cost of alignment pile head reinforcing bar further improve.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: the utility model provides a pile head straightener for construction improves the straightener of reinforcing bar, has reduced the cost of production straightener of reinforcing bar to a certain extent.
The pile head reinforcing steel bar straightener for building construction comprises a first straightening rod arranged horizontally, a second straightening rod arranged crosswise to the first straightening rod is hinged to the middle of the first straightening rod, a straightening head is fixed to the left end of the first straightening rod, a fixed pulley matched with the straightening head to straighten reinforcing steel bars is arranged on the right side of the straightening head, the fixed pulley is connected to the second straightening rod through a straightening arm, and an adjusting mechanism for adjusting the right force arm angle of the first straightening rod and the right force arm angle of the second straightening rod is arranged between the right end of the first straightening rod and the right end of the second straightening rod.
Further, the adjusting mechanism comprises a base, the base is hinged to the right end of the second adjusting rod through a connecting plate, a top seat is fixed to the right end of the first adjusting rod, a left connecting block and a right connecting block are arranged between the base and the top seat, a left lower support arm swinging leftwards and rightwards is hinged to the left side of the base, the other end of the left lower support arm is hinged to the left connecting block and swings leftwards and rightwards, the other end of the right lower support arm is hinged to the right connecting block and swings leftwards and rightwards, an upper left support arm swinging leftwards and rightwards is hinged to the left side of the top seat, the other end of the upper left support arm is hinged to the left hinge block and swings leftwards, an upper right support arm swinging leftwards and rightwards is hinged to the right side of the top seat, the other end of the upper right support arm is hinged to the right connecting block and swings leftwards, a through hole communicated with the left connecting block is formed in the left connecting block, a threaded rod in threaded hole in threaded fit with the threaded hole is arranged in a penetrating mode, the threaded rod is horizontally connected with a polished rod, the left end of the polished rod, a limiting ring is sleeved with the left end of the through hole, and a threaded rod, and a threaded handle connected with a threaded hole connected with a rocking handle for driving the threaded rod to rotate.
Furthermore, a handle is fixed on the first adjusting rod and is positioned at the right half section of the first adjusting rod.
Furthermore, the wheel groove corresponding to the fixed pulley is provided with an anti-skid groove which is communicated up and down on the alignment head.
Furthermore, the length of the left force arm of the first adjusting rod is smaller than that of the right force arm of the first adjusting rod, and the length of the left force arm and the straightening arm of the second adjusting rod is smaller than that of the right force arm of the second adjusting rod.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a first alignment pole articulates on second alignment pole, is the cross setting, then utilizes adjustment mechanism to adjust first alignment pole and second alignment pole, accomplishes the alignment work to the pile head reinforcing bar under the condition that does not adopt the oil pump, has reduced the manufacturing cost of straightener to a certain extent.
Drawings
FIG. 1 is a schematic diagram of the novel structure of the present application;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is an enlarged schematic sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic view of a portion of the enlarged structure at B in FIG. 2;
FIG. 5 is a diagram of the novel use state of the present invention;
names of the components in the figures: 1. fixed pulley 2, alignment head 3, first alignment pole 4, second alignment pole 5, left lower limb 6, base 7, right lower limb 8, threaded rod 9, rocking handle 10, right upper limb 11, footstock 12, left upper limb 13, handle 14, alignment arm 15, right connecting block.
Detailed Description
The present invention is further described with reference to the following embodiments, which are not intended to limit the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Example 1
The pile head reinforcing steel bar straightener for building construction in the embodiment is shown in fig. 1, fig. 2 and fig. 5, and comprises a first straightening rod 3 which is horizontally arranged, wherein the middle part of the first straightening rod 3 is hinged with a second straightening rod 4 which is arranged to intersect with the first straightening rod 3, the left end of the first straightening rod 3 is fixed with a straightening head 2, the right side of the straightening head 2 is provided with a fixed pulley 1 which is matched with the straightening head to straighten a reinforcing steel bar, the fixed pulley 1 is connected to the second straightening rod 4 through a straightening arm 14, and an adjusting mechanism which is used for adjusting the right force arm angle of the first straightening rod 3 and the second straightening rod 4 is arranged between the right end of the first straightening rod 3 and the right end of the second straightening rod 4;
during installation, because the stress points of the adjusting mechanism are on the same plane, the right ends of the first adjusting rod 3 and the second adjusting rod 4 are also in the same plane, and the specific installation process is that a through groove which is communicated up and down is formed in the second adjusting rod 4, the right end of the first adjusting rod 3 penetrates through the through groove, so that the hinge point of the first adjusting rod 3 is superposed with the hinge point of the second adjusting rod 4, then the first adjusting rod 3 and the second adjusting rod 4 are hinged together by using a first pivot, threads are arranged at two ends of the first pivot, and then two ends of the first pivot are fixed by using a first nut, so that the first pivot is prevented from being separated; after the through groove is formed in the second straightening rod 4, the stress strength of the through groove of the second straightening rod 4 is reduced, so that reinforcing plates can be welded on two sides of the second straightening rod 4 corresponding to the through groove, and the stress strength of the second straightening rod 4 is improved; the second adjusting rod 4 is hinged on the first adjusting rod 3 and swings up and down;
in order to facilitate the installation of the adjusting mechanism, the cross sections of the first adjusting rod 3 and the second adjusting rod 4 are rectangular;
as shown in fig. 2, the right end of the straightening arm 14 and the left end of the second straightening rod 4 are staggered by a section and then connected, and in order to enhance the connection strength between the straightening arm 14 and the second straightening rod 4, the straightening arm 14 and the second straightening rod 4 can be integrated; the fixed pulley 1 is arranged on the straightening arm 14 through a wheel shaft, one end of the wheel shaft is fixed at the left end of the straightening arm 14 and is arranged vertically to the straightening arm, the center shaft of the fixed pulley 1 is sleeved on the wheel shaft, and the fixed pulley 1 is enabled to freely rotate by utilizing a bearing on the fixed pulley 1;
the first straightening rod 3 is end-flattened in the process of straightening the reinforcing steel bars, pile head reinforcing steel bars of the building engineering have certain bending radian, and when the fixed pulley 1 is used, the fixed pulley 1 is positioned at the upper right part of the straightening head 2, and a certain distance is reserved between the first straightening rod and the straightening head reinforcing steel bars, so that the bent pile head reinforcing steel bars can be conveniently clamped;
on a building site, pile head reinforcing steel bars are generally 22-32 mm thick, and a plurality of workers can straighten one reinforcing steel bar, so that a group of adjusting mechanisms for enhancing the opening force are arranged between the right arms of the first straightening rod 3 and the second straightening rod 4;
in the in-service use process, constructor blocks the crooked reinforcing bar between alignment head 2 and fixed pulley 1, then enlarges the angle of first alignment pole 3 and the 4 right half sections of second alignment pole through adjustment mechanism, utilizes fixed pulley 1 and alignment head 2 to straighten the pile head reinforcing bar from this to the cost of utilizing traditional oil pump to the reinforcing bar alignment has been alleviateed.
Example 2
In this embodiment, as shown in fig. 1-4, the adjusting mechanism includes a base 6, the base 6 is hinged to the right end of the second adjusting rod 4 through a connecting plate, a top seat 11 is fixed to the right end of the first adjusting rod 3, a left connecting block and a right connecting block are arranged between the base 6 and the top seat 11, a left lower arm 5 swinging left and right is hinged to the left side of the base 6, the other end of the left lower arm 5 is hinged to the left connecting block to swing left and right, a right lower arm 7 swinging left and right is hinged to the right side of the base 6, the other end of the right lower arm 7 is hinged to the right connecting block 15 to swing left and right, a left upper arm 12 swinging left and right is hinged to the left side of the top seat 11, the other end of the left upper supporting arm 12 is hinged to the left hinge block to swing left and right, the right side of the top seat 11 is hinged to the right upper supporting arm 10 which swings left and right, the other end of the right upper supporting arm 10 is hinged to the right connecting block 15 to swing left and right, a through hole which is communicated with the left and right is formed in the left connecting block, a threaded rod 8 which is in threaded fit with the threaded rod is arranged in the threaded hole in a penetrating mode, the left end of the threaded rod 8 is horizontally connected with a polished rod, a limiting ring is sleeved at the left end of the polished rod after penetrating through the through hole, and the right end of the threaded rod 8 is connected with a rocking handle 9 which drives the threaded rod 8 to rotate after penetrating through the threaded hole;
in order to facilitate the installation of the base 6 and increase the swing amplitude of the right end of the second straightening rod 4, a section of the right end of the second straightening rod 4 can be bent to be parallel to the first straightening rod 3;
because the first straightening rod 3 and the right half section of the second straightening rod 4 move in an arc line when the angle changes, the base 6 is hinged at the right end of the second straightening rod 4 through the connecting plates, the two connecting plates are respectively fixed at the front side and the rear side of the base 6 and form a groove structure with the bottom of the base 6, the right end of the second straightening rod 4 is independently clamped in the groove, hinge holes which are communicated from front to rear are formed in the second straightening rod 4 and the connecting plates, the connecting plates are hinged with the second straightening rod 4 through a second pivot, then threads are arranged at two ends of the second pivot, and the second straightening rod are fixed through a second nut to prevent the pivot from being separated;
the polished rod and the threaded rod 8 are positioned on the same axis, and the polished rod and the threaded rod 8 can be arranged into a whole to ensure the stability of the structure;
the left upper support arm 12, the right upper support arm 10, the left lower support arm 5 and the right lower support arm 7 are all groove structures, the difference point is that the width of the left upper support arm 12 and the width of the right upper support arm 10 are narrower than the width of the left lower support arm 5 and the width of the right lower support arm 7, the common point is that the four support arms are provided with arc-shaped openings for improving the swing radian of the four support arms at the hinging parts of the left connecting block and the right connecting block, when the four support arms are installed, the notches of the left upper support arm 12 and the left lower support arm 5 are opposite, the notches of the right upper support arm 10 and the right lower support arm 7 are opposite, one end of the left upper support arm 12 hinged to the left connecting block is independently clamped at one end of the left lower support arm 5 hinged to the left connecting block, the hinging nails are arranged at the front side and the back side of the left hinging block, and the hinging ends of the left upper support arm 12 and the left lower support arm 5 are strung together by the left connecting block and are fixed by a third nut; the right upper arm 10 and the right lower arm 7 are hinged through a right connecting block 15 in the same way as the left upper arm 12 and the left lower arm 5, and the specific installation structure is shown in fig. 1 and 3; the limiting ring is used for preventing the left connecting block from sliding out of the polish rod;
the adjusting mechanism is obtained according to the working principle of the scissor jack, and the mounting mode of the adjusting mechanism can refer to the mounting process of the scissor jack; in operation, the rocking handle 9 is rotated to rotate the threaded rod 8, so that the left upper arm 12, the left lower arm 5, the right upper arm 10 and the right lower arm 7 are supported and unfolded, and the angles of the right half sections of the first adjusting rod 3 and the second adjusting rod 4 are adjusted;
in the use, in order to improve the straightening efficiency of pile head reinforcing steel bars during building construction, the rocking handle 9 can be replaced by a motor, so that the forward and reverse rotation of the motor is controlled, the four support arms are adjusted to be unfolded or folded, the weight of the straightener is increased, and two workers are required to cooperate to complete the work.
Example 3
In this embodiment, as shown in fig. 1, a handle 13 is fixed on the first adjusting rod 3, and the handle 13 is located at the right half section of the first adjusting rod 3; construction is facilitated by the handle 13, and during operation, a constructor holds the handle with one hand and straightens the reinforcing steel bars by rotating the crank 9 with the other hand.
Example 4
In this embodiment, the technology is further explained, as shown in fig. 2, the wheel groove corresponding to the fixed pulley 1 is provided with an anti-slip groove communicated up and down on the alignment head 2; because of pile head reinforcing bar itself has the toughness of high strength, at the in-process that the workman carried out the alignment to the pile head reinforcing bar, prevent that reinforcing bar roll-off alignment head 2 from shining into the injury to the construction workman, can be on alignment head 2 antiskid groove, antiskid groove is the semicircle structure.
Example 5
In this embodiment, as shown in fig. 1, the length of the left force arm of the first straightening rod 3 is smaller than the length of the right force arm thereof, and the length of the left force arm of the second straightening rod 4 plus the straightening arm 14 is smaller than the length of the right force arm of the second straightening rod 4; the length of the straightening rod is set in such a way that the angle change of the right force arm of the second straightening rod 4 and the first straightening rod 3 is more labor-saving through a lever principle.
Claims (5)
1. The utility model provides a pile head bar straightener for construction, includes first adjusting rod (3) that the level set up, the middle part of first adjusting rod (3) is articulated to have second adjusting rod (4) that are the setting of crossing with it, its characterized in that: the left end of the first adjusting rod (3) is fixed with the straightening head (2), the right side of the straightening head (2) is provided with a fixed pulley (1) which is matched with the straightening head to straighten the reinforcing steel bar, the fixed pulley (1) is connected to the second adjusting rod (4) through a straightening arm (14), and an adjusting mechanism for adjusting the right arm angle of the first adjusting rod (3) and the second adjusting rod (4) is arranged between the right end of the first adjusting rod (3) and the right end of the second adjusting rod (4).
2. The straightener for pile head reinforcing steel bars for building construction according to claim 1, wherein: the adjusting mechanism comprises a base (6), the base (6) is hinged at the right end of the second adjusting rod (4) through a connecting plate, a top seat (11) is fixed at the right end of the first adjusting rod (3), a left connecting block and a right connecting block are arranged between the base (6) and the top seat (11), a left lower support arm (5) swinging left and right is hinged at the left side of the base (6), the other end of the left lower support arm (5) is hinged on the left connecting block to swing left and right, a right lower support arm (7) swinging left and right is hinged at the right side of the base (6), the other end of the right lower support arm (7) is hinged on a right connecting block (15) to swing left and right, an upper left support arm (12) swinging left and right is hinged at the left side of the top seat (11), the other end of upper left support arm (12) articulates and is the horizontal hunting on articulated piece in a left side, the right side of footstock (11) articulates there is upper right support arm (10) of horizontal hunting, the other end of upper right support arm (10) articulates and is the horizontal hunting on right connecting block (15), communicating through-hole about seted up on the connecting block in a left side, communicating screw hole about seted up on right connecting block (15), wear to be equipped with in the screw hole and be screw-thread fit's threaded rod (8) with it, the left end horizontal connection of threaded rod (8) has the polished rod, the left end of polished rod passes the through-hole cover and is equipped with the spacing ring, the right-hand member of threaded rod (8) passes the screw hole and is connected with rocking handle (9) that drive threaded rod (8) are rotatory.
3. The pile head rebar straightener for building construction of claim 1, wherein: a handle (13) is fixed on the first adjusting rod (3), and the handle (13) is located on the right half section of the first adjusting rod (3).
4. The straightener for pile head reinforcing steel bars for building construction according to claim 1, wherein: and the wheel groove corresponding to the fixed pulley (1) is provided with an anti-skid groove which is communicated up and down on the straightening head (2).
5. The pile head rebar straightener for building construction of claim 1, wherein: the length of the left force arm of the first adjusting rod (3) is smaller than that of the right force arm of the first adjusting rod, and the length of the left force arm and straightening arm (14) of the second adjusting rod (4) is smaller than that of the right force arm of the second adjusting rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221804829.3U CN217889366U (en) | 2022-07-07 | 2022-07-07 | Pile head reinforcing bar straightener for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221804829.3U CN217889366U (en) | 2022-07-07 | 2022-07-07 | Pile head reinforcing bar straightener for construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217889366U true CN217889366U (en) | 2022-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221804829.3U Active CN217889366U (en) | 2022-07-07 | 2022-07-07 | Pile head reinforcing bar straightener for construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217889366U (en) |
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2022
- 2022-07-07 CN CN202221804829.3U patent/CN217889366U/en active Active
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