Portable steel bar straightener for constructional engineering

Abstract

A portable steel bar straightening device for constructional engineering comprises a handheld frame, protective shells which are symmetrically distributed are arranged in the handheld frame, a motor and a supporting base are installed in the two protective shells respectively, an output shaft of the motor is connected with a first screw rod, a first guide rod is fixedly connected to the supporting base, and a second guide rod is fixedly connected to the first guide rod. A limiting plate used for fixing the first guide rod is fixedly connected to the protective shell, a connecting frame is arranged on the first guide rod in a sliding mode, the connecting frame is in threaded connection with the first screw rod, a straightening wheel is detachably arranged on the connecting frame, a positioning frame is fixedly connected to the handheld frame, and the positioning frame is in threaded connection with the first screw rod. An abutting plate is arranged on the positioning frame in a sliding mode, a connecting rod is fixedly connected to the abutting plate, and the connecting rod penetrates through the positioning frame in a sliding mode to guide the abutting plate. The motor operates to drive the straightening wheels to move to be matched with the abutting plate to complete automatic straightening operation on the reinforcing steel bars, the straightening operation is convenient, fast and simple, and the construction efficiency can be improved easily.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a portable steel bar straightener for construction engineering. Background Art

[0002] During the construction process, the pile head steel bars are easily bent due to improper handling, non-standard operation, equipment failure and other problems. In order to prevent the bent pile head steel bars from affecting the subsequent construction processes, straightening treatment is usually required.

[0003] At present, after the existing pile head steel bars are bent, they are mostly straightened by primitive methods such as wrench straightening, flame heating straightening, and sleeve straightening. This is not only time-consuming and labor-intensive, but also affects the quality of the straightened steel bars.

[0004] Therefore, a kind of portable steel bar straightener for construction engineering is needed urgently. Utility Model Content

[0005] In order to overcome the shortcomings of existing straightening methods such as spanner straightening, flame heating straightening, sleeve straightening, etc., which are not only time-consuming and labor-intensive, but also have high labor intensity and affect the quality of the straightened steel bars, the utility model provides a portable steel bar straightener for construction engineering.

[0006] To solve the above-mentioned problem, the utility model adopts the following technical scheme: a portable steel bar straightener for construction engineering, comprising a handheld frame, a symmetrically distributed protective shell is arranged inside the handheld frame, a motor and a support seat are respectively installed inside the two protective shells, the output shaft of the motor is connected to a first screw, a first guide rod is fixedly connected to the support seat, a limiting plate for fixing the first guide rod is fixedly connected to the protective shell, a connecting frame is slidably arranged on the first guide rod, the connecting frame is threadedly connected to the first screw, a straightening wheel is detachably arranged on the connecting frame, a positioning frame is fixedly connected to the handheld frame, a support plate is slidably arranged on the positioning frame, a connecting rod is fixedly connected to the support plate, and the connecting rod slides through the positioning frame to guide the support plate.

[0007] Furthermore, a second guide rod is fixedly connected to the straightening wheel, the second guide rod is clamped with the connecting frame, an elastic member is sleeved on the second guide rod, a clamping plate is rotatably provided on the second guide rod, and torsion springs are sleeved on both sides of the clamping plate.

[0008] Furthermore, a warning device is arranged on the abutment plate through a fixing frame, and an infrared sensing block is arranged on the fixing frame.

[0009] Furthermore, the positioning frame is fixed with symmetrically distributed positioning plates, one of which is threadedly provided with a second screw, and the other positioning plate is slidably provided with a third guide rod, the third guide rod is fixed with a support plate, and the support plate is rotatably connected to the second screw.

[0010] Furthermore, a wear-resistant sleeve is provided on the surface of the hand-held portion of the hand-held frame.

[0011] Furthermore, a protective sleeve is sleeved on the second guide rod, and the elastic member is located inside the protective sleeve.

[0012] Compared with the prior art, the utility model has the following technical effects: 1. The straightening wheel is driven by the motor to move and cooperate with the abutment plate to complete the automatic straightening operation of the steel bars. The straightening operation is convenient and simple, which helps to improve construction efficiency.

[0013] 2. By setting the infrared sensing block on the abutment plate, after the steel bar is straightened, it can be reported to the warning instrument, so that the warning instrument will sound an alarm to remind the staff, help the staff to judge the straightening status of the steel bar, and effectively avoid the problem of inadequate straightening.

[0014] 4. The height of the support plate can be adjusted by rotating the second screw to support the handheld frame, thereby reducing the weight on the hand and facilitating operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the handheld frame, protective housing and motor of the utility model.

[0017] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the protective housing, motor and support base of the utility model.

[0018] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the positioning frame, connecting rod and abutment plate of the utility model.

[0019] Figure 5 It is a three-dimensional cross-sectional structural schematic diagram of the straightening wheel, the connecting frame and the second guide rod of the utility model.

[0020] Figure 6 This is a cover diagram of the second guide rod and the clamping plate of the utility model.

[0021] Figure 7 It is a three-dimensional structural schematic diagram of the positioning frame, the abutment plate and the warning instrument of the utility model.

[0022] Figure 8 The utility model is a three-dimensional cross-sectional structural schematic diagram of the warning device, the fixing frame and the infrared sensor block.

[0023] Fig. 9 It is a three-dimensional structural schematic diagram of the second screw rod, the support plate and the positioning plate of the utility model.

[0024] The names and serial numbers of the parts in the figure are: 1: hand-held frame, 2: protective shell, 3: motor, 4: first screw, 5: support seat, 6: first guide rod, 7: limit plate, 8: connecting frame, 9: straightening wheel, 10: positioning frame, 11: connecting rod, 12: support plate, 13: second guide rod, 14: clamping plate, 15: torsion spring, 16: elastic part, 17: warning instrument, 18: fixing frame, 19: infrared sensor block, 20: support plate, 21: positioning plate, 22: second screw, 23: third guide rod, 24: anti-wear sleeve, 25: protective sleeve. DETAILED DESCRIPTION

[0025] The technical solution is further described below in conjunction with specific embodiments. It should be noted that the words indicating directions such as up, down, left, and right mentioned in this article are only for the position of the structure shown in the corresponding drawings. The serial numbers of the parts in this article, such as first, second, etc., are only used to distinguish the objects described and do not have any order or technical meaning. The words such as connection and coupling in this application include direct and indirect connection (coupling) unless otherwise specified. ,

[0026] Example 1, please refer to Figure 1-Figure 4 A portable steel bar straightener for construction engineering includes a handheld frame 1, a protective shell 2 symmetrically distributed on the left and right is arranged inside the handheld frame 1, a motor 3 and a support seat 5 are respectively installed inside the two protective shells 2, the output shaft of the motor 3 is connected to the first screw 4 through a key, the operation of the motor 3 can provide power for the rotation of the first screw 4, a first guide rod 6 is fixedly connected to the front side of the support seat 5, a limit plate 7 for fixing the first guide rod 6 is fixedly connected to the front side of the right part of the protective shell 2 by welding, a connecting frame 8 is slidably arranged on the first guide rod 6, and the connecting frame 8 is threadedly connected to the first screw 4, The rotation of the first screw 4 can drive the connecting frame 8 to move forward and backward. The connecting frame 8 is detachably provided with a straightening wheel 9, which can be removed for replacement. A positioning frame 10 is fixedly connected to the bottom of the handheld frame 1. A butt plate 12 is slidably provided on the positioning frame 10. The connecting frame 8 moves backward and cooperates with the butt plate 12 to straighten the steel bars. A connecting rod 11 is fixedly connected to the middle part of the butt plate 12 by welding. The connecting rod 11 slides through the positioning frame 10 to guide the butt plate 12. An anti-wear sleeve 24 is provided on the surface of the handheld part of the handheld frame 1 to reduce the wear of the handheld frame 1 and improve the hand-holding comfort of the handheld frame 1.

[0027] When in use, the operator holds the device to clamp the support plate 12 on the steel bar, and the straightening wheel 9 is located at the bent part of the steel bar. Then the motor 3 is started to make the first screw 4 drive the straightening wheel 9 to move backward. The straightening wheel 9 acts on the bent part of the steel bar and cooperates with the support plate 12 to complete the straightening operation of the steel bar. The straightening operation is convenient and simple, which helps to improve construction efficiency.

[0028] Example 2, based on Example 1, please refer to Figure 5 and Figure 6 A second guide rod 13 symmetrically distributed on the left and right is fixedly connected to the straightening wheel 9. The second guide rod 13 is clamped with the connecting frame 8 to fix the straightening wheel 9. An elastic member 16 is sleeved on the upper end of the second guide rod 13. The two ends of the elastic member 16 are respectively connected to the second guide rod 13 and the straightening wheel 9. A protective sleeve 25 is sleeved on the upper end of the second guide rod 13. The elastic member 16 is located inside the protective sleeve 25. The protective sleeve 25 is used to protect the elastic member 16 to prevent foreign objects from being stuck in the elastic member 16. A card plate 14 symmetrically distributed on the left and right is rotatably provided at the lower end of the second guide rod 13. Initially, the card plate 14 is in an expanded state to lock the second guide rod 13. Torsion springs 15 are sleeved on the front and rear sides of the card plate 14. The two ends of the torsion spring 15 are respectively connected to the card plate 14 and the second guide rod 13.

[0029] Initially, the card plate 14 is in an expanded state to clamp and fix the guide rod, and the torsion spring 15 is deformed accordingly, and the straightening wheel 9 is locked to prevent the straightening wheel 9 from moving. When a different straightening wheel 9 needs to be replaced, the straightening wheel 9 is pressed down to disengage the card plate 14 from the connecting frame 8. Then, under the action of the restoring elastic force of the torsion spring 15, the card plate 14 rotates and closes to unlock the straightening wheel 9, and the straightening wheel 9 can be removed for replacement.

[0030] See also Figure 7 and Figure 8 A warning instrument 17 is provided on the top of the abutment plate 12 through a fixing frame 18, and an infrared sensing block 19 is embedded on the top of the fixing frame 18. When the straightening wheel 9 moves backward to above the infrared sensing block 19, it indicates that the steel bar has been straightened. The infrared sensing block 19 reflects to the warning instrument 17, causing the warning instrument 17 to issue an alarm to remind the staff, thereby helping the staff to judge the straightening status of the steel bar and effectively avoiding the problem of inadequate straightening.

[0031] See also Fig. 9The rear side of the positioning frame 10 is fixedly connected with a positioning plate 21 symmetrically distributed on the left and right sides by screw connection, wherein a second screw 22 is threadedly arranged on the positioning plate 21 on the left side, and a third guide rod 23 is slidably arranged on the positioning plate 21 on the right side, and a support plate 20 is fixedly connected to the bottom end of the third guide rod 23, and the support plate 20 is rotatably connected to the second screw 22. After holding the device, the second screw 22 is rotated to adjust the height of the support plate 20 to support the handheld frame 1, thereby reducing the weight on the hands and facilitating the operation of the operator.

[0032] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A portable steel bar straightener for construction engineering, characterized in that: The invention comprises a handheld frame (1), wherein a protective shell (2) is symmetrically arranged inside the handheld frame (1), a motor (3) and a support seat (5) are respectively installed inside the two protective shells (2), an output shaft of the motor (3) is connected to a first screw rod (4), a first guide rod (6) is fixedly connected to the support seat (5), a limit plate (7) for fixing the first guide rod (6) is fixedly connected to the protective shell (2), a connecting frame (8) is slidably arranged on the first guide rod (6), the connecting frame (8) is threadedly connected to the first screw rod (4), a straightening wheel (9) is detachably arranged on the connecting frame (8), a positioning frame (10) is fixedly connected to the handheld frame (1), a support plate (12) is slidably arranged on the positioning frame (10), a connecting rod (11) is fixedly connected to the support plate (12), and the connecting rod (11) slides through the positioning frame (10) to guide the support plate (12).

2. A portable steel bar straightener for construction engineering as claimed in claim 1, characterized in that: A second guide rod (13) is fixedly connected to the straightening wheel (9), the second guide rod (13) is clamped with the connecting frame (8), an elastic member (16) is sleeved on the second guide rod (13), a clamping plate (14) is rotatably arranged on the second guide rod (13), and torsion springs (15) are sleeved on both sides of the clamping plate (14).

3. A portable steel bar straightener for construction engineering as claimed in claim 1, characterized in that: A warning instrument (17) is arranged on the abutment plate (12) via a fixing frame (18), and an infrared sensing block (19) is arranged on the fixing frame (18).

4. A portable steel bar straightener for construction engineering as claimed in claim 1, characterized in that: The positioning frame (10) is fixedly connected to symmetrically distributed positioning plates (21), one of the positioning plates (21) being threadedly provided with a second screw rod (22), the other positioning plate (21) being slidably provided with a third guide rod (23), the third guide rod (23) being fixedly connected to a support plate (20), and the support plate (20) being rotatably connected to the second screw rod (22).

5. A portable steel bar straightener for construction engineering as claimed in claim 1, characterized in that: The surface of the hand-held portion of the hand-held frame (1) is provided with an anti-wear sleeve (24).

6. A portable steel bar straightener for construction engineering as claimed in claim 2, characterized in that: A protective sleeve (25) is sleeved on the second guide rod (13), and the elastic member (16) is located inside the protective sleeve (25).

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