Railway cantilever beam end chiseling platform

Abstract

The invention discloses a railway cantilever beam end scabbling platform which comprises a cantilever beam body erected on a pier and a steel mold and further comprises a construction platform arranged at the beam end of the cantilever beam body. The erecting unit is arranged between the construction platform and the steel mold and is used for erecting the construction platform at the beam end of the cantilever beam main body; the scabbling unit is arranged on the construction platform and used for scabbling the beam end of the cantilever beam body formed in the steel mold in a pouring mode, the scabbling unit is arranged on the construction platform, and the construction platform can be erected on the steel mold through the arrangement of a mounting mechanism and an adjusting mechanism in the erecting unit; and the position of the construction platform is adjusted in the transverse, longitudinal and vertical three-dimensional directions through the adjusting mechanism, so that the scabbling unit on the construction platform can better perform scabbling construction operation on the end face of the cantilever beam main body.

Description

Technical Field

[0001] The invention relates to the technical field of cantilever beam casting construction, in particular to a railway cantilever beam end roughening platform. Background Art

[0002] After the steel formwork is erected on the pier, concrete will be poured into the steel formwork. After a period of time, when the concrete in the steel formwork solidifies, the cantilever beam will be formed. Then the cross-section of the cantilever beam will be roughened to make the end face better for the next step of pouring construction.

[0003] Then, since the end face of the cantilever beam is in a suspended position, it is not easy to set up the chiseling machine during the chiseling operation, which leads to construction difficulties. Therefore, we designed a cantilever beam end face chiseling construction platform to solve the above problem.

[0004] The above contents are only used to assist in understanding the technical solution of the present invention, and do not constitute an admission that the above contents are the closest prior art. Summary of the invention

[0005] The purpose of the present invention is to provide a railway cantilever beam end roughening platform to solve the problems raised in the above background technology. To achieve the above purpose, the present invention provides the following technical solutions: a railway cantilever beam end roughening platform, comprising a cantilever beam body erected on a bridge pier and a steel mold for casting and forming the cantilever beam body, and also comprising: A construction platform is arranged at the beam end of the cantilever beam body; An erection unit, disposed between the construction platform and the steel formwork, and used for erecting the construction platform at the beam end of the cantilever beam body; A roughening unit is provided on the construction platform and is used for roughening the beam end of the cantilever beam body formed by pouring concrete in the steel mold; Wherein, the erection unit comprises: A mounting mechanism, mounted on the steel formwork, for carrying the erection unit and the construction platform; The adjusting mechanism is arranged on the mounting mechanism and is used for adjusting the transverse and longitudinal positions of the construction platform so that the roughening unit can complete the roughening effect of the entire beam end surface.

[0006] Preferably, the mounting mechanism comprises: Two groups of clamping blocks are symmetrically arranged on both sides of the steel mold and clamped on the steel mold; Two sets of mounting plates are respectively arranged on two sets of card blocks; Four sets of electric telescopic arms are symmetrically fixed at the horizontal positions of the two sets of mounting plates; An installation frame is arranged at the beam end position of the cantilever beam body, and the construction platform is arranged in the installation frame; A connecting component is arranged between the four groups of the electric telescopic arms and the mounting frame, and is used for the mounting frame to slide on the electric telescopic arms.

[0007] Preferably, the connecting component is configured as a sliding rod, one end of which is fixed on the mounting frame, and the other end passes through the end of the electric telescopic arm and is slidably disposed thereon, and a limiting plate is disposed at the end of the sliding rod.

[0008] Preferably, the adjustment mechanism comprises: A longitudinal moving member, disposed between the electric telescopic arm and the mounting frame, and used for driving the mounting frame to move longitudinally; A vertical moving member is arranged between the construction platform and the installation frame and is used for adjusting the height of the installation frame.

[0009] Preferably, the longitudinal moving member comprises: A mounting block with a threaded hole disposed on the upper end of the mounting frame; A threaded rod is threadedly arranged on the mounting block, a rotating motor is arranged at the end of the threaded rod, and the rotating motor is fixedly arranged on the electric telescopic arm.

[0010] Preferably, the chiseling unit comprises: A chiseling machine box is fixedly mounted on the construction platform; At least two groups of chiseling rods are cross-arranged on the chiseling machine box, each group of chiseling rods includes a plurality of chiseling rods; At least two sets of mounting strips are fixedly mounted on the haircutting machine box, and the haircutting rod is slidably mounted on the mounting strips; At least two groups of power mechanisms are arranged in the chiseling machine box, and are used to drive the chiseling rods of the same group to perform synchronous telescopic movement, so as to chisel the beam end surface of the cantilever beam body.

[0011] Preferably, the power mechanism comprises: A plurality of rotating rods, one end of which is rotatably arranged with the inner end of the chiseling rod, and the other end of which is rotatably arranged with a fixing bar, wherein the fixing bar is fixed in the chiseling machine box; The swing assembly is arranged between the fixing bar and the plurality of rotating rods, and is used for driving the rotating rods to swing periodically, so as to realize the telescopic movement of the chiseling rods.

[0012] Preferably, the swing assembly comprises: A connecting plate is slidably arranged on the mounting bar, a plurality of sliding shafts are arranged on the connecting plate, and a swinging slide groove for sliding the sliding shafts is arranged on the rotating rod; A movable plate is fixedly arranged on the connecting plate, and a movable slide groove is arranged on the movable plate; A rotating shaft is slidably arranged in the movable slide groove; The power piece is arranged on the rotating shaft and is used to drive the rotating shaft to perform periodic rotation.

[0013] Preferably, each of the sliding shafts is slidably arranged on the connecting plate in the vertical direction, a connecting strip is arranged on the sliding shaft, and an electric telescopic rod is arranged at one end of the connecting strip away from the sliding shaft.

[0014] Preferably, a limiting plate is provided on one side of the chiseling rod close to the inner wall of the chiseling machine box, and a pressing spring is sleeved on the chiseling rod located between the limiting plate and the mounting strip.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention arranges the roughening unit on the construction platform, and through the arrangement of the mounting mechanism and the adjusting mechanism in the erection unit, the construction platform can be erected on the steel formwork, and the position of the construction platform can be adjusted in three-dimensional directions in the horizontal, longitudinal and vertical directions through the adjusting mechanism, so that the roughening unit on the construction platform can better perform roughening construction operations on the end surface of the cantilever beam body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of installing the overall structure of the present invention on a steel mold; Figure 2 This is a partial screenshot of the installation of the overall structure of the present invention on a steel mold; Figure 3 It is the overall structure diagram of the present invention; Figure 4 This is a three-dimensional view of the interior of the haircutting unit of the present invention; Figure 5 This is a three-dimensional view of the interior of the haircutting unit of the present invention from another perspective; Figure 6 It is a top view of the interior of the haircutting unit of the present invention; Figure 7 for Figure 4 Enlarged view of point A in the middle; Figure 8 for Figure 5 Enlarged view of point B Figure numerals: 1-cantilever beam body; 2-steel mold; 3-construction platform; 4-erection unit; 41-installation mechanism; 411-block; 412-installation plate; 413-electric telescopic arm; 414-installation frame; 415-slide rod; 416-limiting plate; 42-adjustment mechanism; 421-longitudinal moving member; 4211-installation block; 4212-threaded rod; 4213-rotating motor; 422-vertical moving member; 5-roughening unit; 51-roughening Hair machine box; 52-hair cutting rod; 53-mounting bar; 54-power mechanism; 541-rotating rod; 542-fixing bar; 543-connecting plate; 544-sliding shaft; 545-swinging slide; 546-moving plate; 547-moving slide; 548-rotating shaft; 549-power piece; 5491-rotating frame; 5492-moving motor; 5493-rotating plate; 6-connecting bar; 61-electric telescopic rod; 7-limiting plate; 8-pressing spring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-8 The present invention provides a technical solution: a railway cantilever beam end roughening platform, comprising a cantilever beam body 1 erected on a bridge pier and a steel mold 2 for casting the cantilever beam body 1, and also comprising: A construction platform 3 is arranged at the beam end of the cantilever beam body 1; The erection unit 4 is arranged between the construction platform 3 and the steel formwork 2, and is used to erect the construction platform 3 at the beam end of the cantilever beam body 1; A roughening unit 5 is provided on the construction platform 3 and is used for roughening the beam end of the cantilever beam body 1 formed by pouring concrete in the steel mold 2; Wherein, the erection unit 4 comprises: A mounting mechanism 41, mounted on the steel formwork 2, for carrying the erection unit 4 and the construction platform 3; The adjusting mechanism 42 is arranged on the mounting mechanism 41 and is used for adjusting the transverse and longitudinal positions of the construction platform 3 so that the roughening unit 5 can complete the roughening effect of the entire beam end surface.

[0019] Wherein, the mounting mechanism 41 comprises: Two groups of clamping blocks 411 are symmetrically arranged on both sides of the steel mold 2 and clamped on the steel mold 2; Two sets of mounting plates 412 are respectively disposed on the two sets of clamping blocks 411; Four sets of electric telescopic arms 413 are symmetrically fixed at the lateral positions of the two sets of mounting plates 412, and are used to achieve lateral movement of the mounting frame 414 to adjust the lateral position of the mounting frame 414, so that the roughening unit 5 and the beam end surface of the cantilever beam body 1 are in contact with each other; An installation frame 414 is provided at the beam end of the cantilever beam body 1, and the construction platform 3 is provided in the installation frame 414; The connecting assembly is disposed between the four groups of the electric telescopic arms 413 and the mounting frame 414 , and is used for the mounting frame 414 to slide on the electric telescopic arms 413 .

[0020] In addition, the connecting component is configured as a slide rod 415, one end of the slide rod 415 is fixed on the mounting frame 414, and the other end passes through the end of the electric telescopic arm 413 and is slidably disposed thereon, and a limiting plate 416 is disposed at the end of the slide rod 415.

[0021] Meanwhile, the adjustment mechanism 42 includes: A longitudinal moving member 421 is disposed between the electric telescopic arm 413 and the mounting frame 414 and is used to drive the mounting frame 414 to move longitudinally; The vertical moving member 422 is arranged between the construction platform 3 and the installation frame 414, and is used to adjust the height of the installation frame 414. When in specific use, the vertical moving member 422 is set as a scissor lift.

[0022] Wherein, the longitudinal moving member 421 comprises: A mounting block 4211 with a threaded hole disposed on the upper end of the mounting frame 414; A threaded rod 4212 is threadedly arranged on the mounting block 4211, a rotating motor 4213 is arranged at the end of the threaded rod 4212, and the rotating motor 4213 is fixedly arranged on the electric telescopic arm 413; During the roughening operation, the device is first fixed to the steel mold 2 as a whole by the clamping block 411, and then the distance between the roughening unit 5 and the end face of the cantilever beam body 1 is adjusted by the electric telescopic arm 413, so that the roughening unit 5 can normally perform the roughening operation on the beam end face. Before the roughening operation, the construction platform 3 is moved to one side of the beam end face by the longitudinal moving member 421, and at the same time, the vertical moving member 422 moves the construction platform 3 to the uppermost end, and then the vertical moving member 422 continues to work, so that the construction platform 3 moves from top to bottom, and at the same time the roughening unit 5 works, thereby completing a vertical roughening operation, and then the construction platform 3 is raised to the initial height by the vertical moving member 422, and then moved one end distance in the longitudinal direction, and then the above operation is repeated, and then the roughening operation is performed from top to bottom, so as to complete the entire roughening operation.

[0023] In addition, the chiseling unit 5 comprises: The chiseling machine box 51 is fixedly mounted on the construction platform 3; At least two groups of chiseling rods 52 are arranged crosswise on the chiseling machine box 51, each group of chiseling rods 52 includes a plurality of chiseling rods 52, wherein the chiseling rods 52 are arranged crosswise up and down, and during the chiseling operation from top to bottom, the accuracy of the chiseling operation can be improved, thereby improving the chiseling quality; At least two sets of mounting bars 53 are fixedly mounted on the haircutting machine box 51, and the number of the mounting bars 53 is the same as the number of the haircutting rods 52. The haircutting rods 52 are slidably mounted on the mounting bars 53; At least two groups of power mechanisms 54 are arranged in the roughening machine box 51, and are used to drive the roughening rods 52 of the same group to perform synchronous telescopic movement, so as to roughen the beam end surface of the cantilever beam body 1.

[0024] At the same time, the power mechanism 54 includes: A plurality of rotating rods 541, one end of which is rotatably arranged with the inner end of the chiseling rod 52, and the other end of which is rotatably arranged with a fixing bar 542, the fixing bar 542 is fixed in the chiseling machine box 51, and the rotating rod 541 rotates at a fixed point on the chiseling machine box 51; The swing assembly is disposed between the fixing bar 542 and the plurality of rotating rods 541 , and is used to drive the rotating rods 541 to swing periodically, so as to realize the telescopic movement of the chiseling rods 52 .

[0025] Wherein, the swing assembly comprises: A connecting plate 543 is slidably arranged on the mounting bar 53, a plurality of sliding shafts 544 are arranged on the connecting plate 543, and a swinging slide groove 545 for the sliding shafts 544 to slide is arranged on the rotating rod 541, wherein the number of the sliding shafts 544 is the same as the number of the roughening rods 52 in the same group; A movable plate 546 is fixedly disposed on the connecting plate 543, and a movable slide groove 547 is disposed on the movable plate 546; The rotating shaft 548 is slidably disposed in the movable sliding groove 547; The power member 549 is disposed on the rotating shaft 548 and is used to drive the rotating shaft 548 to perform a periodic 360-degree rotation; Among them, the power part 549 includes: A rotating frame 5491 is mounted on the mounting bar 53. A moving motor 5492 is fixedly mounted on the rotating frame 5491. A rotating plate 5493 is disposed at the rotating end of the moving motor 5492. The other end of the rotating plate 5493 is connected to the rotating shaft 548. During the chiseling operation, the moving motor 5492 will drive the rotating shaft 548 to rotate, so that it will slide in the moving slide groove 547 in the moving plate 546, so that the moving plate 546 will slide periodically, so that the connecting plate 543 will slide periodically, so that the sliding shaft 544 on the connecting plate 543 will slide in the swinging slide groove 545, thereby driving the rotating shaft rod to swing periodically to realize the extension and retraction of the chiseling rod 52.

[0026] In addition, each of the sliding shafts 544 is slidably arranged on the connecting plate 543 in the vertical direction, and a connecting strip 6 is arranged on the sliding shaft 544. An electric telescopic rod 61 is arranged at one end of the connecting strip 6 away from the sliding shaft 544. This arrangement is used in actual movement to disengage the sliding shaft 544 from the swinging groove 545 when the roughening machine is located on both sides of the cross section and the roughening rod 52 is not in contact with the roughening surface, so that the roughening rod 52 corresponding to the sliding shaft 544 does not perform telescopic work, thereby reducing the power load of the mobile motor 5492.

[0027] Finally, a limit plate 7 is provided on one side of the chiseling rod 52 close to the inner wall of the chiseling machine box 51, and a pressing spring 8 is sleeved on the chiseling rod 52 between the limit plate 7 and the mounting strip 53; The setting of the spring, on the one hand, can buffer and eliminate to a certain extent the reaction force of the chiseling when the chiseling rod 52 is extended and retracted for the chiseling operation; on the other hand, when the above-mentioned sliding shaft 544 is separated from the swinging groove 545, the chiseling rod 52 and the rotating rod 541 can be in the same straight line, thereby facilitating the sliding shaft 544 to be aligned and inserted into the swinging groove 545 again, so that the insertion position is determined.

Claims

1. A railway cantilever beam end roughening platform, comprising a cantilever beam body (1) erected on a bridge pier and a steel mold (2) used for casting and forming the cantilever beam body (1), characterized in that: Also includes: A construction platform (3) is arranged at the beam end of the cantilever beam body (1); A mounting unit (4) is arranged between the construction platform (3) and the steel formwork (2), and is used to mount the construction platform (3) at the beam end of the cantilever beam body (1); A roughening unit (5) is arranged on the construction platform (3) and is used to perform a roughening operation on the beam end of the cantilever beam body (1) formed by pouring concrete in the steel mold (2); Wherein, the erection unit (4) comprises: A mounting mechanism (41) mounted on the steel formwork (2) and used for supporting the erection unit (4) and the construction platform (3); The adjusting mechanism (42) is arranged on the mounting mechanism (41) and is used to adjust the transverse and longitudinal positions of the construction platform (3) so that the roughening unit (5) can complete the roughening of the entire beam end surface.

2. The railway cantilever beam end roughening platform according to claim 1, characterized in that: The mounting mechanism (41) comprises: Two groups of clamping blocks (411) are symmetrically arranged on both sides of the steel mold (2) and clamped on the steel mold (2); Two groups of mounting plates (412) are respectively arranged on the two groups of clamping blocks (411); Four sets of electric telescopic arms (413) are symmetrically fixed at the lateral positions of the two sets of mounting plates (412); An installation frame (414) is arranged at the beam end of the cantilever beam body (1), and the construction platform (3) is arranged in the installation frame (414); A connecting assembly is arranged between the four groups of the electric telescopic arms (413) and the mounting frame (414), and is used for the mounting frame (414) to slide on the electric telescopic arms (413).

3. The railway cantilever beam end roughening platform according to claim 2, characterized in that: The connecting component is configured as a sliding rod (415), one end of the sliding rod (415) is fixed on the mounting frame (414), and the other end passes through the end of the electric telescopic arm (413) and is slidably disposed thereon, and a limiting plate (416) is disposed at the end of the sliding rod (415).

4. The railway cantilever beam end roughening platform according to claim 1, characterized in that: The regulating mechanism (42) comprises: A longitudinal moving member (421) is disposed between the electric telescopic arm (413) and the installation frame (414), and is used to drive the installation frame (414) to move longitudinally; A vertical moving member (422) is disposed between the construction platform (3) and the installation frame (414) and is used to adjust the height of the installation frame (414).

5. The railway cantilever beam end roughening platform according to claim 4, characterized in that: The longitudinal moving member (421) comprises: A mounting block (4211) with a threaded hole disposed on the upper end of the mounting frame (414); A threaded rod (4212) is threadedly arranged on the mounting block (4211), a rotating motor (4213) is arranged at the end of the threaded rod (4212), and the rotating motor (4213) is fixedly arranged on the electric telescopic arm (413).

6. The railway cantilever beam end roughening platform according to claim 5, characterized in that: The chiseling unit (5) comprises: A chiseling machine box (51) is fixedly mounted on the construction platform (3); At least two groups of chiseling rods (52) are cross-arranged on the chiseling machine box (51) up and down, and each group of chiseling rods (52) includes a plurality of chiseling rods (52); At least two sets of mounting strips (53) are fixedly mounted on the haircutting machine box (51), and the haircutting rod (52) is slidably mounted on the mounting strips (53); At least two groups of power mechanisms (54) are arranged in the roughening machine box (51) and are used to drive the roughening rods (52) of the same group to perform synchronous telescopic movement, so as to roughen the beam end surface of the cantilever beam body (1).

7. The railway cantilever beam end roughening platform according to claim 6, characterized in that: The power mechanism (54) comprises: A plurality of rotating rods (541), one end of each of which is rotatably arranged with the inner end of the chiseling rod (52), and the other end of each of which is rotatably arranged with a fixing bar (542), wherein the fixing bar (542) is fixed in the chiseling machine box (51); The swing assembly is arranged between the fixing bar (542) and the plurality of rotating rods (541), and is used to drive the rotating rods (541) to swing periodically, so as to realize the telescopic movement of the roughening rods (52).

8. The railway cantilever beam end roughening platform according to claim 7, characterized in that: The swing assembly comprises: A connecting plate (543) is slidably arranged on the mounting bar (53); a plurality of sliding shafts (544) are arranged on the connecting plate (543); and a swinging sliding groove (545) on which the sliding shafts (544) slide is arranged on the rotating rod (541); A movable plate (546) is fixedly disposed on the connecting plate (543), wherein a movable slide groove (547) is disposed on the movable plate (546); A rotating shaft (548) is slidably disposed in the movable sliding groove (547); The power member (549) is disposed on the rotating shaft (548) and is used to drive the rotating shaft (548) to perform a periodic 360-degree rotation.

9. The railway cantilever beam end roughening platform according to claim 8, characterized in that: Each of the sliding shafts (544) is slidably arranged on the connecting plate (543) in a vertical direction, a connecting bar (6) is arranged on the sliding shaft (544), and an electric telescopic rod (61) is arranged at one end of the connecting bar (6) away from the sliding shaft (544).

10. The railway cantilever beam end roughening platform according to claim 9, characterized in that: A limiting plate (7) is provided on one side of the chiseling rod (52) close to the inner wall of the chiseling machine box (51), and a pressing spring (8) is sleeved on the chiseling rod (52) located between the limiting plate (7) and the mounting strip (53).

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