Positioning device for bending processing of pressure water stratum enclosure hoop

By designing a positioning device that includes a base, a movable seat, a sliding plate, and a limiting plate, the problem of positioning difficulties in the bending process of stirrups was solved, thereby improving safety and efficiency.

CN224487497UActive Publication Date: 2026-07-14JINAN URBAN CONSTRUCTION GROUP CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-14
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

In the existing technology, the bending and processing of stirrups for retaining structures in confined aquifers lacks a dedicated positioning device, which makes it difficult for operators to position the stirrups manually, resulting in high safety risks and low efficiency.

Method used

A positioning device comprising a base, a movable seat, a sliding plate, a support plate, and a limiting plate was designed. Precise positioning is achieved through proximity switches and motor drive. The support plate can swing 90° to adapt to changes in positioning direction during bending, simplifying the operator's left and right hand coordination requirements.

Benefits of technology

It improves the safety and efficiency of stirrup bending, reduces operational difficulty, and decreases the occurrence of safety accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a positioning device for bending processing of a pressure water stratum enclosure hoop, which comprises a base, a moving base slidably connected to the base in the left-right direction, the base being arranged on the left side of a bending machine, and a motor driving the moving base to move on the base; a sliding plate slidably connected to the moving base in the left-right direction, and an automatic return mechanism connected between the sliding plate and the moving base; a supporting plate rotatably connected to the sliding plate, a pair of limiting plates vertically fixed on the supporting plate, and vertical symmetrical surfaces of the two limiting plates being M surfaces; a swing driving mechanism for rotating the supporting plate by 90 DEG; when the supporting plate is rotated to a 0 DEG position, the M surface is in the left-right direction; when the supporting plate is rotated to a 0 DEG position, the M surface is in the front-back direction; and the technical scheme has high safety coefficient.
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Description

Technical Field

[0001] This invention belongs to the field of stirrup bending and processing, and specifically relates to a positioning device for bending and processing stirrups in the retaining structure of a confined water stratum. Background Technology

[0002] like Figure 1 and Figure 2 As shown, the stirrups of the retaining structure in the confined aquifer are basically a rectangular structure, including four sides and two hooks at the joint, with the two hooks positioned vertically. The raw material is a straight steel bar, which is generally bent in sequence according to the bends numbered I, II, III, IV, and V shown in the figure. When processing bend number V, the already processed bend numbered II is quickly lifted upwards.

[0003] When using a bending machine to process the above-mentioned stirrups, since there is no matching positioning device, the construction party usually sets up a simple support next to the bending machine at the processing site, and draws the corresponding scale lines on the support with chalk or marker to find the bending dimensions of the steel bars. In order to improve processing efficiency, multiple pieces are processed at once, such as 3 to 5 pieces.

[0004] This processing method has the following disadvantages: the steel bars are relatively long, and due to the lack of dedicated supports, the positioning of the steel bars at the end furthest from the bending machine mold relies entirely on the operator's hands. Furthermore, the operator's hands must maintain multiple steel bars in a vertical alignment, requiring a high level of coordination between the left and right hands. Especially during the final bend, the left hand must support the steel bar, maintain its vertical alignment, and press down on the left side; the right hand must forcefully lift the already processed bend numbered II. Generally, coordinating the left hand's downward pressure and the right hand's upward lift is relatively easy, but maintaining multiple steel bars in a vertical alignment significantly increases the difficulty. If the left and right hand movements are not coordinated, there is a high risk of being struck by the bending hook, resulting in a safety accident. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a positioning device for bending and processing stirrups in the retaining structure of a confined aquifer.

[0006] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows:

[0007] A positioning device for bending stirrups in a retaining structure of a confined aquifer includes a base, a movable seat slidably connected to the base in a left-right direction, the base being positioned on the left side of a bending machine, and a motor driving the movable seat to move on the base via a transmission mechanism; a sliding plate slidably connected to the movable seat in a left-right direction, and an automatic return mechanism connecting the sliding plate and the movable seat; a support plate rotatably connected to the sliding plate, and a pair of limiting plates vertically fixed on the support plate, the vertical symmetry plane of the two limiting plates being plane M; a swing drive mechanism for rotating the support plate 90°; and a mechanism for rotating the support plate to 0°. When the support plate is rotated to the 0° position, the M-side faces left and right; when the support plate rotates to the 0° position, the M-side faces forward and backward; four active normally open proximity switches are fixed on the base, from left to right: proximity switch one, proximity switch two and four, proximity switch five and proximity switch three, which are controlled one by one by positioning button one, positioning button two and four, positioning button five and positioning button three, and only one proximity switch is allowed to be energized at a time; the motor's operation is controlled by the forward rotation button, reverse rotation button and stop button; a sensing plate is fixedly connected to the moving base, and the sensing plate is used to sense the proximity switches.

[0008] Furthermore, the base and the movable seat are slidably connected via linear guide rail A and slider A; the movable seat and the slide plate are slidably connected via linear guide rail B and slider B.

[0009] Furthermore, the automatic return mechanism includes a tension spring, with the left end of the tension spring fixedly connected to the movable seat and the right end of the tension spring fixedly connected to the sliding plate.

[0010] Furthermore, the transmission mechanism includes a rack and a gear, the motor is fixedly connected to the movable base, the gear is coaxially fixedly connected to the output shaft of the motor, the gear meshes with the rack for transmission, and the rack is fixedly connected to the base.

[0011] Furthermore, the swing drive mechanism includes a turntable, a swing ear, a bracket, and an electric cylinder. The support plate is fixedly connected to the turntable, the turntable is rotatably connected to the slide plate, the swing ear is fixedly disposed on the side of the turntable, the overhanging end of the swing ear is hinged to the telescopic rod of the electric cylinder, the cylinder body of the electric cylinder is hinged to the bracket, and the bracket is fixedly connected to the slide plate. When the electric cylinder is in the shortened state, the M-surface is in the left-right direction; when the electric cylinder is in the extended state, the M-surface is in the front-back direction.

[0012] Furthermore, the positioning buttons 1, 2, 4, 5, 3, forward, reverse, and stop buttons are all located on the control panel.

[0013] The beneficial effects that this invention can achieve are as follows:

[0014] Precise positioning is achieved through proximity switches, and the left side of the rebar is supported by a support plate and two limiting plates. The 90° swing switching of the support plate allows the two limiting plates to adapt to changes in positioning direction during bending. When processing the last bend, numbered V, the operator only needs to press down on the left side of the rebar with their left hand and pull up the already processed bend numbered II with their right hand. No other hand movements are required, reducing the difficulty of left-right hand coordination and improving the safety factor of operation. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the stirrup to be processed according to an embodiment of this utility model.

[0016] Figure 2 This is a top view of the stirrup to be processed according to an embodiment of this utility model.

[0017] Figure 3 It is a three-dimensional schematic diagram of multiple stirrups arranged vertically.

[0018] Figure 4 This is a perspective view (a) of an embodiment of the present utility model.

[0019] Figure 5 This is a perspective view (II) of an embodiment of the present utility model.

[0020] Figure 6 yes Figure 4 Enlarged view of part A in the middle.

[0021] Figure 7 This is a top view of an embodiment of the present utility model.

[0022] Figure 8 yes Figure 7 Enlarged view of section B in the middle.

[0023] Figure 9 This is a schematic diagram showing the state when multiple steel bar raw materials are placed at the first processing position in this embodiment of the utility model.

[0024] Figure 10 This is a schematic diagram of the final state of processing multiple steel bar raw materials into stirrups using an embodiment of this utility model.

[0025] In the diagram: 1-Base, 2-Slider A, 3-Linear guide rail A, 4-Motor, 5-Rack, 6-Moving seat, 601-Base plate, 602-Support leg, 603-Top plate, 7-Hanging ring A, 8-Tension spring, 9-Hanging ring B, 10-Electric cylinder, 11-Bracket, 12-Swing ear, 13-Turntable, 14-Support plate, 15-Limit plate, 16-Slide plate, 17-Linear guide rail B, 18-Slider B, 19-Control panel, 1901- Positioning button 3, 1902-Positioning button 5, 1903-Positioning button 2-4, 1904-Positioning button 1, 1905-Forward button, 1906-Stop button, 1907-Reverse button, 20-Sensing plate, 21-Proximity switch 1, 22-Switch bracket 1, 23-Proximity switch 2-4, 24-Switch bracket 2-4, 25-Proximity switch 5, 26-Switch bracket 5, 27-Proximity switch 3, 28-Switch bracket 3;

[0026] 29-Stirrup, 30-Bending machine, 3001-Mold, 3002-Foot switch, 30-Rebar. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0028] like Figures 4-8 As shown, a positioning device for bending and processing stirrups in a confined water stratum retaining structure includes a base 1, a movable seat 6, a sliding plate 16, and a control panel 19.

[0029] The base 1 is set on the foundation and located on the left side of the bending machine 30. A movable seat 6 is slidably connected to the base 1 in the left-right direction. The movable seat 6 includes an integrally connected base plate 601, support legs 602, and top plate 603 from bottom to top. The sliding connection method is as follows: a pair of linear guide rails A3 are set on the base 1 in the left-right direction, and a slider A2 is slidably connected to the linear guide rails A3. The slider A2 is fixedly connected to the base plate 601 of the movable seat 6. The motor 4 drives the movable seat 6 to move on the base 1 through a transmission mechanism. The transmission mechanism is as follows: the motor 4 is fixedly connected to the movable seat 6, the gear is coaxially fixedly connected to the output shaft of the motor 4, the gear meshes with the rack 5 for transmission, and the rack 5 is fixedly connected to the base 1.

[0030] A sliding plate 16 is slidably connected to the movable base 6 in the left and right directions. The sliding connection method is as follows: a pair of linear guide rails B17 are fixedly provided on the movable base 6, and a slider B18 is slidably connected to the linear guide rails B17. The slider B18 is fixedly connected to the sliding plate 16.

[0031] An automatic return mechanism connects the sliding plate 16 and the movable seat 6. Specifically, the automatic return mechanism includes a tension spring 8, the left end of which is hooked onto a hanging ring A7, which is fixedly connected to the movable seat 6; the right end of the tension spring 8 is hooked onto a hanging ring B9, which is fixedly connected to the sliding plate 16. The automatic return mechanism accommodates slight left-right movement of the reinforcing bar during bending.

[0032] A turntable 13 is rotatably connected to the slide plate 16. A swing ear 12 is fixedly installed on the side of the turntable 13. The overhanging end of the swing ear 12 is hinged to the telescopic rod of the electric cylinder 10. The cylinder body of the electric cylinder 10 is hinged to the bracket 11. The bracket 11 is fixedly connected to the slide plate 16. A support plate 14 is fixedly connected to the turntable 13. A pair of limiting plates 15 are vertically fixed on the support plate 14. The vertical symmetrical plane of the two limiting plates 15 is the M-plane. The turntable 13 is rotated 90° by the action of the electric cylinder 10. That is, when the electric cylinder 10 is in the shortened state, the M-plane is in the left-right direction; when the electric cylinder 10 is in the extended state, the M-plane is in the front-back direction.

[0033] Four active normally open proximity switches are fixedly installed on the base 1. From left to right, they are proximity switch 1 21, proximity switch 24 23, proximity switch 5 25 and proximity switch 3 27. Proximity switch 1 21 is fixed on switch bracket 1 22, proximity switch 24 23 is fixed on switch bracket 24 24, proximity switch 5 25 is fixed on switch bracket 5 26, and proximity switch 3 27 is fixed on switch bracket 3 28. Switch brackets 1 22, 24, 5, and 3 are all fixedly connected to the base 1. Proximity switches 1 (21), 24 (23), 5 (25), and 3 (27) are controlled one-to-one by positioning buttons 1 (1904), 24 (1903), 5 (1902), and 3 (1901). Each press of a positioning button energizes only the proximity switch corresponding to that button (this is achieved by connecting the normally closed contacts of the corresponding proximity switches of other positioning buttons in series to form an interlocking circuit; this is a conventional technique and will not be elaborated further). The motor 4 is controlled by the forward rotation button 1905, the reverse rotation button 1907, and the stop button 1906 (the forward and reverse rotation circuits of the motor are conventional techniques and will not be elaborated further). A sensing element 20 is fixedly connected to the movable base 6; the sensing element 20 is used to sense the proximity switches.

[0034] Positioning buttons 1-1904, 2-4-1903, 5-1902, 3-1901, forward button 1905, reverse button 1907, and stop button 1906 are all located on the control panel 19.

[0035] The operation of the electric cylinder 10 can be set to a corresponding button, or the button can be set on the control panel 19.

[0036] Use of this embodiment:

[0037] 1. Press the positioning button 1904 to energize the proximity switch 21; operate the forward rotation button 1905 or the reverse rotation button 1907 according to the actual position of the motor 4 to bring the sensing plate 20 close to the proximity switch 21; when the sensing plate 20 senses the proximity switch 21, the motor 4 stops, the electric cylinder 10 is in the shortened state, and the M-side is in the left-right direction; Figure 1 As shown, place an appropriate amount of steel bar 30 in the mold 3001 and two limiting plates 15 of the bending machine 30, so that the left end of the steel bar 30 is flush with the left end of the limiting plate 15; step on the foot switch 3002 of the bending machine 30 to bend the bend numbered I; after completing the bending, take out the steel bar.

[0038] 2. Press positioning button 1903 to power on proximity switch 24. Operate the forward rotation button 1905 or reverse rotation button 1907 according to the actual position of motor 4 to bring the sensing plate 20 close to proximity switch 24. When the sensing plate 20 senses proximity switch 24, motor 4 stops, and electric cylinder 10 is in the extended state, with surface M facing forward and backward. Place the rebar appropriately into the mold 3001 and the two limit plates 15 of bending machine 30. Step on foot switch 3002 of bending machine 30 to bend the rebar numbered II. After bending, remove the rebar.

[0039] 3. Press positioning button 1901 to power on proximity switch 27. Operate the forward rotation button 1905 or reverse rotation button 1907 according to the actual position of motor 4 to bring the sensing plate 20 close to proximity switch 27. When the sensing plate 20 senses proximity switch 27, motor 4 stops, and electric cylinder 10 is in the extended state, with surface M facing forward and backward. Place the rebar appropriately in the mold 3001 and the two limit plates 15 of bending machine 30. Step on foot switch 3002 of bending machine 30 to bend the rebar numbered III. After bending, remove the rebar.

[0040] 4. Press positioning button 1903 to power on proximity switch 24. Operate forward button 1905 or reverse button 1907 according to the actual position of motor 4 to bring sensor 20 close to proximity switch 24. When sensor 20 senses proximity switch 24, motor 4 stops and electric cylinder 10 is in the extended state, with M-side facing forward and backward. Flip the rebar and place it appropriately in the mold 3001 and two limit plates 15 of bending machine 30. Step on foot switch 3002 of bending machine 30 to bend the rebar numbered IV. After bending, remove the rebar.

[0041] 5. Press the positioning button 1902 to power on the proximity switch 25. Control the forward rotation button 1905 or the reverse rotation button 1907 according to the actual position of the motor 4 to bring the sensing plate 20 close to the proximity switch 25. When the sensing plate 20 senses the proximity switch 25, the motor 4 stops, and the electric cylinder 10 is in the extended state, with the M side facing forward and backward. Place the steel bar in the mold 3001 and the two limit plates 15 of the bending machine 30. Step on the foot switch 3002 of the bending machine 30, and at the same time, press down on the left side of the steel bar with your left hand and pull up the already processed bend numbered II with your right hand to complete the bend numbered V. At this time, the processing of the stirrup 29 is completed. Take out the stirrup 29 and place it in the stirrup collection area.

[0042] In the description of this invention, terms such as "inner," "outer," "upper," "lower," "front," and "rear," which indicate orientation or positional relationship, are used only for the convenience of describing this invention and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

Claims

1. A positioning device for bending and processing stirrups in the retaining structure of a confined aquifer, characterized in that: Includes a base (1), on which a movable seat (6) is slidably connected in the left-right direction. The base (1) is located on the left side of the bending machine (30). The motor (4) drives the movable seat (6) to move on the base (1) through a transmission mechanism. A sliding plate (16) is slidably connected on the movable seat (6) in the left-right direction. An automatic return mechanism is connected between the sliding plate (16) and the movable seat (6). A support plate (14) is rotatably connected on the sliding plate (16). A pair of limiting plates (15) are vertically fixed on the support plate (14). The vertical symmetrical plane of the two limiting plates (15) is the M plane. A swing drive mechanism is used to rotate the support plate (14) by 90°. When the support plate (14) rotates to the 0° position, the M plane is in the left-right direction. When the support plate (14) rotates to the 0° position, the M plane is in the left-right direction. When rotated to the 0° position, the M surface is in the front-back direction; four active normally open proximity switches are fixed on the base (1), from left to right: proximity switch one (21), proximity switch two four (23), proximity switch five (25) and proximity switch three (27), which are controlled one by one by positioning button one (1904), positioning button two four (1903), positioning button five (1902) and positioning button three (1901), and only one proximity switch is allowed to be powered on at a time; the operation of the motor (4) is controlled by the forward rotation button (1905), the reverse rotation button (1907) and the stop button (1906); a sensing plate (20) is fixedly connected on the moving base (6), and the sensing plate (20) is used to sense the proximity switch.

2. The positioning device for bending and processing stirrups in the retaining structure of a confined aquifer according to claim 1, characterized in that: The base (1) and the movable seat (6) are slidably connected by linear guide rail A (3) and slider A (2); the movable seat (6) and the slide plate (16) are slidably connected by linear guide rail B (17) and slider B (18).

3. The positioning device for bending and processing stirrups in the retaining structure of a confined aquifer as described in claim 1, characterized in that: The automatic return mechanism includes a tension spring (8), the left end of which is fixedly connected to the movable seat (6), and the right end of which is fixedly connected to the slide plate (16).

4. The positioning device for bending and processing stirrups in the retaining structure of a confined aquifer according to claim 1, characterized in that: The transmission mechanism includes a rack (5) and a gear. The motor (4) is fixedly connected to the moving seat (6). The gear is fixedly connected to the output shaft of the motor (4) on the same axis. The gear meshes with the rack (5) for transmission. The rack (5) is fixedly connected to the base (1).

5. The positioning device for bending and processing stirrups in the retaining structure of a confined aquifer according to claim 1, characterized in that: The swing drive mechanism includes a turntable (13), a swing ear (12), a bracket (11), and an electric cylinder (10). The support plate (14) is fixedly connected to the turntable (13), and the turntable (13) is rotatably connected to the slide plate (16). The swing ear (12) is fixedly installed on the side of the turntable (13). The overhanging end of the swing ear (12) is hinged to the telescopic rod of the electric cylinder (10). The cylinder body of the electric cylinder (10) is hinged to the bracket (11), and the bracket (11) is fixedly connected to the slide plate (16). When the electric cylinder (10) is in the shortened state, the M surface is in the left-right direction. When the electric cylinder (10) is in the extended state, the M surface is in the front-back direction.

6. The positioning device for bending and processing stirrups in the retaining structure of a confined aquifer according to claim 1, characterized in that: The positioning buttons 1 (1904), 2 and 4 (1903), 5 (1902), 3 (1901), forward button (1905), reverse button (1907) and stop button (1906) are all located on the control panel (19).