Stirrup temporary storage frame and adjusting device

Abstract

The invention provides a stirrup temporary storage frame and an adjusting device, and belongs to the technical field of steel reinforcement framework machining devices.The stirrup temporary storage frame comprises a supporting bottom frame, the supporting bottom frame is provided with at least two supporting longitudinal beams which are oppositely arranged in parallel, and a connecting cross beam is arranged between any two adjacent supporting longitudinal beams; u-shaped limiting structures are evenly arranged on the tops of at least two supporting longitudinal beams at intervals in the length extending direction, the U-shaped limiting structures on each supporting longitudinal beam and the U-shaped limiting structures on the adjacent supporting longitudinal beam are oppositely arranged, and each set of opposite U-shaped limiting structures are used for containing one stirrup. A clamping structure for clamping the stirrup is arranged in the U-shaped limiting structure, so that the stirrup is stably placed in the U-shaped limiting structure; the temporary storage, adjustment and transportation efficiency of the stirrups in the machining process of the rectangular steel reinforcement framework can be remarkably improved, the machining precision is improved, the production cost is reduced, and the temporary storage, adjustment and transportation device has wide application prospects and popularization value in the field of machining of building steel reinforcement frameworks.

Description

Technical Field

[0001] The present invention belongs to the technical field of steel bar framework processing devices, and particularly relates to a stirrup caching rack and an adjusting device. Background Art

[0002] As a strengthening structure for building beams and columns, a rectangular steel bar framework has longitudinal steel bars arranged longitudinally and stirrups arranged transversely in a rectangular shape. During the processing of a rectangular steel bar framework, it is necessary to align and place the stirrups as required, and then perform subsequent processing steps of threading the longitudinal steel bars.

[0003] Since the existing processing method of rectangular steel bar frameworks is to perform manual binding as a whole, there is no device that can directly place and cache stirrups individually.

[0004] Therefore, it is necessary to provide an improved technical solution for the deficiencies of the above-mentioned existing technologies. Summary of the Invention

[0005] The purpose of the present invention is to provide a stirrup caching rack and an adjusting device to solve the technical problem in the existing technology that stirrups cannot be adjusted efficiently.

[0006] To achieve the above purpose, the stirrup caching rack of the present invention provides the following technical solutions: A stirrup caching rack includes a supporting bottom frame, the supporting bottom frame has at least two relatively parallel supporting longitudinal beams, and a connecting cross beam is arranged between any two adjacent supporting longitudinal beams, and both ends of the connecting cross beam are fixedly connected to the supporting longitudinal beams respectively; At least two U-shaped limiting structures are evenly spaced along the length extension direction at the top of the supporting longitudinal beams, and the U-shaped limiting structures on each supporting longitudinal beam are arranged opposite to the U-shaped limiting structures on the adjacent supporting longitudinal beams, and each pair of opposite U-shaped limiting structures is used to place a stirrup; A clamping structure for clamping the stirrup is arranged inside the U-shaped limiting structure to stably place the stirrup inside the U-shaped limiting structure.

[0007] As a further optimized technical solution, the connecting cross beam includes a sleeve and a connecting rod with one end extending into the sleeve and slidingly matched with the sleeve, and a positioning structure is arranged on the sleeve to define the relative position between the sleeve and the connecting rod; by adjusting the relative position between the sleeve and the connecting rod, the distance between two adjacent supporting longitudinal beams is adjusted.

[0008] As a further optimized technical solution, the clamping structure includes clamping rods symmetrically arranged on two side walls of the U-shaped limiting structure. The clamping rods extend upward beyond the U-shaped limiting structure. The clamping rods are hinged to the U-shaped limiting structure. An elastic member is arranged above the hinged position of the U-shaped limiting structure. One end of the elastic member is fixedly connected to the U-shaped limiting structure, and the other end is fixedly connected to the position of the clamping rod above the U-shaped limiting structure. In the normal state, the elastic member tightens the two clamping rods, so that the bottoms of the two clamping rods are close to each other and the tops are far from each other. When the stirrup is placed between the two clamping rods, it pushes the two clamping rods to rotate to clamp the stirrup from both sides.

[0009] The present invention also provides a stirrup adjusting device.

[0010] The stirrup adjusting device of the present invention provides the following technical solutions: A stirrup adjusting device includes the stirrup buffer rack in the technical solution, and further includes: Two oppositely arranged centering adjustment units. The stirrup buffer rack is used to be arranged between the two centering adjustment units so that all stirrups are longitudinally aligned. A transportation device, which is used to carry the stirrup buffer rack to a set position.

[0011] As a further optimized technical solution, the centering adjustment unit includes: A support frame; A centering frame, which is slidably arranged on the top of the support frame. The centering frames of the two centering adjustment units slide along the support frame to move closer to or away from each other.

[0012] As a further optimized technical solution, an adjustment plate is arranged on the side of the centering frame facing the buffer rack. The adjustment plates of the two centering adjustment units jointly define the stirrup from both sides to align the stirrup; the adjustment plate is evenly arranged with grooves for placing stirrups along the length extension direction.

[0013] As a further optimized technical solution, a support wheel for supporting the bottom of the stirrup is arranged below the adjustment plate, and a lifting drive structure is arranged below the support wheel to drive the support wheel to rise or fall.

[0014] As a further optimized technical solution, a first limiting wheel is arranged inside the centering frame. The first limiting wheels on the two centering frames are used to limit the placement position of the stirrup buffer rack.

[0015] As a further optimized technical solution, the transportation device includes: A vehicle body; A jacking mechanism, which is arranged on the top of the vehicle body; The placing rack is arranged on the top of the lifting mechanism and is used for placing the stirrup buffer rack. Second limiting wheels are arranged on both sides of the placing rack to ensure that the stirrup buffer rack is stably placed on the placing rack.

[0016] As a further optimized technical solution, a sliding track is arranged on the top of the support frame, and a sliding block matching with the sliding track is arranged at the bottom of the centering frame. The centering frame realizes sliding cooperation with the support frame through the cooperation of the sliding block and the sliding track.

[0017] Beneficial effects: For the stirrup buffer rack, the structural design of its support bottom frame enables the entire buffer rack to have good stability and can bear the weight of a certain number of stirrups without being easily deformed. The cooperation of the U-shaped limiting structure and the clamping structure can accurately position the stirrups, effectively preventing the stirrups from shifting or shaking during the buffering process and ensuring the regularity of the stirrup storage. The adjustable design of the connecting cross beam improves the versatility of the buffer rack, can adapt to the buffer requirements of stirrups with different specifications and sizes, and reduces the cost and time required for replacing equipment due to changes in stirrup sizes.

[0018] In terms of the stirrup adjustment device, the two centering adjustment units can efficiently perform longitudinal alignment operations on the stirrups, ensuring the accuracy of the cooperation between the stirrups and the longitudinal bars in subsequent processing and improving the overall processing accuracy of the rectangular steel bar skeleton. The setting of the transportation equipment facilitates the transfer of the stirrup buffer rack between different processing stations, reduces the labor intensity and time cost of manual handling, and improves the production efficiency. The adjustment plate and its groove structure on the centering frame further optimize the alignment effect of the stirrups, enabling the stirrups to be arranged in an orderly manner during the adjustment process. The cooperation of the support wheels and the lifting drive structure not only facilitates the movement of the stirrups but also can flexibly adjust the height position of the stirrups when needed, improving the convenience of operation. The first limiting wheel and the second limiting wheel of the placing rack respectively precisely limit the position of the stirrup buffer rack on the centering adjustment unit and the transportation equipment, ensuring the stability and reliability of the entire processing process and reducing the risk of processing errors caused by equipment shaking or displacement.

[0019] In summary, the stirrup buffer rack and adjustment device of the present invention can significantly improve the buffering, adjustment, and transportation efficiency of stirrups during the processing of rectangular steel bar skeletons, enhance the processing accuracy, reduce the production cost, and have broad application prospects and promotion value in the field of building steel bar skeleton processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The schematic diagrams in the specification drawings forming a part of this application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. Among them: Figure 1 Schematic diagram of the stirrup adjustment device according to an embodiment of the present invention; Figure 2 Side view of Figure 1 ; Figure 3 Schematic diagram of the overall structure of the stirrup buffer rack according to an embodiment of the present invention; Figure 4 Schematic diagram of the U-shaped limit structure according to an embodiment of the present invention; Figure 5 Schematic diagram of the centering adjustment unit structure according to an embodiment of the present invention; Figure 6 Schematic diagram of the centering adjustment unit structure according to an embodiment of the present invention; Figure 7 Schematic diagram of the transportation device structure according to an embodiment of the present invention; Figure 8 Schematic diagram of the usage state of the stirrup buffer rack according to an embodiment of the present invention.

[0021] In the figure: 100, support chassis; 110, support longitudinal beam; 120, connecting cross beam; 121, sleeve; 122, connecting rod; 123, positioning structure; 130, U-shaped limit structure; 140, clamping structure; 141, clamping rod; 142, elastic member; 200, stirrup; 300, centering adjustment unit; 310, support frame; 320, centering frame; 321, adjustment plate; 322, groove; 323, support wheel; 324, lifting drive structure; 325, first limit wheel; 330, drive motor; 340, driving gear; 350, rack; 360, universal ball; 370, sliding track; 380, sliding block; 400, transportation device; 410, vehicle body; 420, jacking mechanism; 430, placement rack; 440, second limit wheel. Detailed implementation manners

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art shall fall within the protection scope of the present invention.

[0023] In the description of the present invention, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and does not require the present invention to be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the present invention. The terms "connected" and "coupled" used in the present invention should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection; it can be directly connected or indirectly connected through an intermediate component. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0024] The present invention will be described in detail below with reference to the drawings and in conjunction with embodiments. It should be noted that, without conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0025] The shapes and sizes of the components in the drawings do not reflect the true proportions of the products, and the purpose is only to schematically illustrate the content of the present invention.

[0026] The present invention provides a stirrup buffer rack and an adjustment device. Through two centering adjustment units, the stirrups placed on the stirrup buffer rack can be efficiently aligned longitudinally as a whole, ensuring the accuracy of the cooperation between the stirrups and the longitudinal bars in subsequent processing. The transportation device is used for transferring the stirrup buffer rack between different processing stations, reducing the labor intensity and time cost of manual handling and improving the production efficiency.

[0027] Embodiment of the stirrup adjustment device As Figure 1-8 shown, specifically refer to Figure 1 、 Figure 2 . The stirrup adjustment device includes a stirrup buffer rack, a centering adjustment unit 300 and a transportation device 400.

[0028] As Figure 3 shown, the stirrup buffer rack includes a support chassis 100. The support chassis 100 has two relatively parallel support longitudinal beams 110. A connecting cross beam 120 is arranged between the two support longitudinal beams 110. One end of the connecting cross beam 120 is fixedly connected to one support longitudinal beam 110, and the other end is fixedly connected to the other support longitudinal beam 110. The support longitudinal beam 110 and the connecting cross beam 120 together form the support chassis 100 with a frame structure. In this embodiment, the support longitudinal beam 110 and the connecting cross beam 120 are made of high-quality steel beam materials, and their materials have high strength and good rigidity, which are sufficient to stably carry a batch of stirrups 200.

[0029] The connecting crossbeam 120 includes a sleeve 121 and a connecting rod 122 with one end extending into the sleeve 121 and slidingly matched with the sleeve 121. The sleeve 121 and the connecting rod 122 slide against each other to adjust the overall length of the connecting crossbeam 120, thereby adjusting the distance between the two supporting longitudinal beams 110, and further enabling the supporting chassis 100 to adapt to the buffering requirements of stirrups 200 of different specifications. In order to ensure that the adjusted length of the connecting crossbeam 120 can be stably maintained, a positioning structure 123 is provided on the sleeve 121 to limit the relative position between the sleeve 121 and the connecting rod 122. The positioning structure 123 can use a set screw or a latch. When adjusting the relative position of the sleeve 121 and the connecting rod 122, the positioning structure 123 is loosened or removed, and then tightened or installed after adjustment to ensure the structural stability of the supporting chassis 100.

[0030] U-shaped limiting structures 130 are evenly spaced at the top of the two supporting longitudinal beams 110 along the length extension direction. The U-shaped limiting structures 130 on each supporting longitudinal beam 110 are arranged opposite to the U-shaped limiting structures 130 on the adjacent supporting longitudinal beam 110, and each opposite group of U-shaped limiting structures 130 is used to place a stirrup 200.

[0031] like Figure 4 As shown, a clamping structure 140 for clamping the stirrup 200 is provided in the U-shaped limiting structure 130 , so that the stirrup 200 is stably placed in the U-shaped limiting structure 130 .

[0032] The clamping structure 140 includes clamping rods 141 symmetrically arranged on two side walls of the U-shaped limiting structure 130, the clamping rods 141 extend upward beyond the U-shaped limiting structure 130, the clamping rods 141 are hinged to the U-shaped limiting structure 130, and the U-shaped limiting structure 130 is provided with an elastic component 142 at the upper part of the hinged position, one end of the elastic component 142 is fixedly connected to the U-shaped limiting structure 130, and the other end is fixedly connected to the position of the clamping rod 141 above the U-shaped limiting structure 130; in a normal state, the elastic component 142 tightens the two clamping rods 141 so that the bottom ends of the two clamping rods 141 are close to each other and the top ends are far away from each other, so as to facilitate the placement of the stirrup 200 from top to bottom between the two clamping rods 141, and the process of placing the stirrup 200 between the two clamping rods 141 will push the two clamping rods 141 to rotate to clamp the stirrup 200 from both sides. In this embodiment, the elastic member 142 is a coil spring, and the clamping rod 141 in the clamping structure 140 can rotate flexibly. The coil spring provides just the right tensioning force as the elastic member 142. When the stirrup 200 is placed, the stirrup 200 overcomes the tension of the coil spring to open the clamping rod 141. After being placed in place, the coil spring tightens the clamping rod 141 so that the clamping rod 141 tightly clamps the stirrup 200, effectively preventing its displacement.

[0033] likeFigure 5 , Figure 6 As shown in Figure 6 , there are two centering adjustment units 300 symmetrically arranged. The stirrup buffer rack is used to be arranged between the two centering adjustment units 300 so that all the stirrups 200 are longitudinally aligned.

[0034] Specifically, each centering adjustment unit 300 includes a support frame 310 and a centering frame 320.

[0035] The support frame 310 is built with a strong steel structure frame, providing a stable basic support for the entire adjustment process.

[0036] The centering frame 320 is slidably arranged on the top of the support frame 310. The centering frames 320 of the two centering adjustment units 300 slide along the support frame 310 to move relatively closer or farther away.

[0037] In this embodiment, a sliding track 370 is fixedly arranged on the top of the support frame 310, and a sliding block 380 matching with the sliding track 370 is arranged at the bottom of the centering frame 320. The centering frame 320 realizes the sliding fit with the support frame 310 through the cooperation of the sliding block 380 and the sliding track 370.

[0038] Furthermore, in order to facilitate the sliding of the centering frame 320 along the support frame 310, a driving motor 330 is fixedly installed on the centering frame 320. A driving gear 340 is fixedly connected to the output shaft of the driving motor 330. A rack 350 that can mesh with the driving gear 340 is fixedly installed on one side of the support frame 310 corresponding to the driving gear 340. Thus, the driving motor 330 can drive the centering frame 320 to reciprocally slide along the support frame 310 through forward and reverse rotation.

[0039] Furthermore, in order to improve the support performance of the support frame 310 for the centering frame 320, multiple groups of universal balls 360 are fixedly arranged on the top of the support frame 310, and the bottom of a part of the structure of the centering frame 320 is arranged on the universal balls 360. In this way, when the centering frame 320 deviates from the support frame 310 by a large distance during the sliding process, in addition to the cooperation of the sliding track 370 and the sliding block 380, the universal balls 360 can further ensure the stability of the centering frame 320.

[0040] An adjustment plate 321 is arranged on one side of the centering frame 320 facing the buffer rack. The adjustment plates 321 of the two centering adjustment units 300 jointly limit the stirrups 200 from both sides to align the stirrups 200.

[0041] Further, the adjustment plate 321 is evenly arranged with grooves 322 for placing stirrups 200 along the length extension direction. The grooves 322 on the pushing plate are customized according to the standard size of the stirrups 200. The precise control of the depth and width enables the stirrups 200 to accurately fall into the grooves 322 and achieve an ideal alignment effect. Moreover, during the alignment process, with the limitation of the grooves 322, both sides of the stirrups 200 fall into the grooves 322 during placement, which can better ensure the accurate positioning of the stirrups 200.

[0042] Further, a support wheel 323 for supporting the bottom of the stirrups 200 is arranged below the adjustment plate 321, and a lifting drive structure 324 is arranged below the support wheel 323 to drive the support wheel 323 to rise or fall. In this embodiment, the lifting drive structure 324 selects a hydraulic jack or an electric push rod with sensitive response, which is used to push the reciprocating stirrups 200 from the bottom to dynamically adjust the alignment of all the stirrups 200. In addition, the support wheel 323 has another function. When the centering frame 320 relatively squeezes the stirrups, the stirrups can move horizontally more easily and flexibly, thus facilitating the longitudinal alignment of the stirrups.

[0043] Further, a first limiting wheel 325 is arranged inside the centering frame 320. The first limiting wheels 325 on the two centering frames 320 are used to limit the placement position of the stirrup buffer rack from the outside. That is, when the stirrup buffer rack is placed on the two support frames 310, the first limiting wheels 325 on the two centering frames 320 are located outside the two support longitudinal beams 110 to limit the placement position of the support bottom frame 100 from both sides. Specifically, during operation, the two centering frames 320 move relatively closer. When the distance between the first limiting wheels 325 on the two centering frames 320 approaches the width of the support bottom frame 100, stop, and place the support bottom frame 100 on the two centering frames 320. At this time, the adjustment plates 321 of the two centering adjustment units 300 jointly define the placement space of all the stirrups 200.

[0044] As Figure 7 shown, the transportation device 400 is used to carry the stirrup buffer rack to a set position.

[0045] The transportation device 400 includes a vehicle body 410, a jacking mechanism 420 and a placement rack 430.

[0046] The vehicle body 410 adopts a powerful electric flat car or an RGV car, which can quickly shuttle between various processing stations.

[0047] The jacking mechanism 420 is arranged on the top of the vehicle body 410 and selects a hydraulic jacking device with stable performance, which can accurately control the lifting height of the stirrup buffer rack.

[0048] The placement rack 430 is arranged on the top of the lifting mechanism 420, and is used to place the stirrup cache rack. Second limiting wheels 440 are arranged on both sides of the placement rack 430 to ensure that the stirrup cache rack is stably placed on the placement rack 430. The second limiting wheels 440 are used to limit the placement position of the support base 100 from the inner side of the two supporting longitudinal beams 110, and can ensure the stability of the stirrup cache rack when moving on the placement rack 430.

[0049] The working principle of the stirrup adjustment device is as follows: like Figure 8 As shown, first, the transport equipment 400 carries the stirrup cache rack and moves between the two support frames 310, and the lifting mechanism 420 lifts the stirrup cache rack upward to a height close to the first limiting wheel 325, and then, the centering frames 320 of the two centering adjustment units 300 move in a relatively close direction until the centering frame 320 on one side of the first limiting wheel 325 partially extends under the stirrup cache rack, and the centering frame 320 stops moving when the first limiting wheel 325 contacts the stirrup cache rack from both sides. At this time, the distance between the two adjustment plates 321 is slightly larger than the width of the stirrups, thereby facilitating the placement of the stirrups. Then, the lifting drive structure 324 is started to lift upward to the top of the support wheel 323 beyond the bottom of the U-shaped limiting structure 130, and then the stirrups 200 are placed in the stirrup buffer rack. At this time, the bottom of the stirrups 200 is directly placed on the support wheel 323 and does not fall completely into the U-shaped limiting structure 130. When all the stirrups are placed, the adjustment plates 321 on both sides are started to squeeze relative to each other, and all the stirrups 200 are further adjusted so that all the stirrups 200 are further aligned longitudinally. Then, the height of the support wheel 323 is lowered again, and all the stirrups 200 fall completely into the bottom of the U-shaped limiting structure 130 at the same time and are clamped, completing the placement of the stirrups 200. Finally, the transportation equipment 400 transports the stirrup buffer rack to the subsequent longitudinal reinforcement threading station. At this point, the caching and alignment of the stirrups 200 are all completed, laying a solid foundation for the subsequent efficient and accurate longitudinal reinforcement threading processing steps.

[0050] In other embodiments of the stirrup buffer adjustment device, three, four or more supporting longitudinal beams may be provided. The supporting longitudinal beams are arranged longitudinally, and a supporting base frame of the frame structure is formed by connecting cross beams arranged transversely.

[0051] In other embodiments of the stirrup slow adjustment device, when three supporting longitudinal beams are provided, U-shaped limiting structures can also be arranged on the three supporting longitudinal beams. At this time, in the transverse direction, each relative group of U-shaped limiting structures is used to place a stirrup.

[0052] The embodiment of the stirrup cache rack in the present invention is as follows: In this embodiment, the technical solution of the stirrup cache rack is the same as that of the stirrup cache rack in the above-mentioned stirrup adjustment device, which will not be repeated here.

[0053] It can be understood that the above description is only exemplary, and the embodiments of the present application are not limited thereto.

[0054] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention are within the scope of protection of the pending claims of the present invention.

Claims

1. A stirrup cache rack, characterized in that, It includes a support chassis (100), and the support chassis (100) has at least two support longitudinal beams (110) arranged relatively parallel to each other. A connecting cross beam (120) is arranged between any two adjacent support longitudinal beams (110), and both ends of the connecting cross beam (120) are fixedly connected to the support longitudinal beams (110) respectively; At least two U-shaped limiting structures (130) are evenly spaced along the length extension direction on the top of the support longitudinal beams (110). The U-shaped limiting structures (130) on each support longitudinal beam (110) are arranged opposite to the U-shaped limiting structures (130) on the adjacent support longitudinal beam (110). Each pair of opposite U-shaped limiting structures (130) is used to place a stirrup (200); A clamping structure (140) for clamping the stirrup (200) is arranged in the U-shaped limiting structure (130) so that the stirrup (200) is stably placed in the U-shaped limiting structure (130).

2. The stirrup buffer rack according to claim 1, characterized in that, The connecting cross beam (120) includes a sleeve (121) and a connecting rod (122) with one end extending into the sleeve (121) and being in sliding fit with the sleeve (121). A positioning structure (123) is arranged on the sleeve (121) to limit the relative position between the sleeve (121) and the connecting rod (122); by adjusting the relative position between the sleeve (121) and the connecting rod (122), the distance between two adjacent support longitudinal beams (110) can be adjusted.

3. The stirrup buffer rack according to claim 1, wherein The clamping structure (140) includes clamping rods (141) symmetrically arranged on two side walls of the U-shaped limiting structure (130). The clamping rods (141) extend upward beyond the U-shaped limiting structure (130), and the clamping rods (141) are hinged to the U-shaped limiting structure (130). An elastic member (142) is arranged above the hinged position of the U-shaped limiting structure (130). One end of the elastic member (142) is fixedly connected to the U-shaped limiting structure (130), and the other end is fixedly connected to the position of the clamping rod (141) above the U-shaped limiting structure (130); in the normal state, the elastic member (142) pulls the two clamping rods (141) tightly so that the bottoms of the two clamping rods (141) are close to each other and the tops are far from each other. When the stirrup (200) is placed between the two clamping rods (141), the two clamping rods (141) rotate to clamp the stirrup (200) from both sides.

4. A stirrup adjusting device, comprising the stirrup buffer rack according to any one of the above claims 1-3, characterized in that, It also includes: Two relatively arranged centering adjustment units (300). The stirrup buffer rack is used to be arranged between the two centering adjustment units (300) so that all stirrups (200) are longitudinally aligned; A transportation device (400), and the transportation device (400) is used to carry the stirrup buffer rack to a set position.

5. The stirrup adjusting device according to claim 4, characterized in that, The centering adjustment unit (300) includes: A support frame (310); A centering frame (320), and the centering frame (320) is slidably arranged on the top of the support frame (310). The centering frames (320) of the two centering adjustment units (300) slide along the support frame (310) to achieve relative approach or separation.

6. The stirrup adjusting device according to claim 5, characterized in that An adjustment plate (321) is provided on one side of the centering frame (320) facing the buffer rack. The adjustment plates (321) of the two centering adjustment units (300) jointly define the stirrups (200) from both sides to align the stirrups (200); the adjustment plate (321) is evenly provided with grooves (322) for placing the stirrups (200) along the length extension direction.

7. The stirrup adjusting device according to claim 6, wherein A support wheel (323) for supporting the bottom of the stirrups (200) is provided below the adjustment plate (321), and a lifting drive structure (324) is provided below the support wheel (323) to drive the support wheel (323) to rise or fall.

8. The stirrup adjusting device according to claim 6, characterized in that, A first limiting wheel (325) is provided inside the centering frame (320), and the first limiting wheels (325) on the two centering frames (320) are used to define the placement position of the stirrup buffer rack.

9. The stirrup adjusting device according to claim 6, wherein The transportation device (400) includes: A vehicle body (410); A jacking mechanism (420), and the jacking mechanism (420) is provided on the top of the vehicle body (410); A placement rack (430), and the placement rack (430) is provided on the top of the jacking mechanism (420) for placing the stirrup buffer rack. Second limiting wheels (440) are provided on both sides of the placement rack (430) to ensure that the stirrup buffer rack is stably placed on the placement rack (430).

10. The stirrup adjusting device according to claim 5, wherein, A sliding track (370) is provided on the top of the support frame (310), and a sliding block (380) matched with the sliding track (370) is provided at the bottom of the centering frame (320). The centering frame (320) realizes sliding cooperation with the support frame (310) through the cooperation of the sliding block (380) and the sliding track (370).

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