Safe construction platform for road and bridge construction

Abstract

The utility model discloses a safe construction platform for road bridge construction, and relates to the field of bridge construction, the safe construction platform comprises a walking vehicle, an extension frame, a reel, a mooring rope, a hanging basket, a stabilizing assembly and a locking assembly, when the hanging basket ascends to the bottom end of a lifting rod, the bottom end of the lifting rod is inserted into a through groove in a fixing block through an inclined surface at the top end of the through groove; a servo motor drives a transmission gear to rotate by 90 degrees, so that the limiting block rotates to the position of a limiting groove in the bottom end of a through groove, and after the hanging basket descends, the limiting block on the outer surface of the lifting rod is inserted into the limiting groove in the bottom end of the through groove, so that the lifting rod and the fixing block are fixed; a rotating shaft and an extension spring are pulled, so that a hook at one end of the extension spring is matched with a circular ring on the outer surface of an extension frame, an eccentric wheel is driven to extrude and fix a cable on the upper surface of a fixing plate through teeth on the outer surface, and the cable is prevented from loosening.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field especially relates to a safe construction platform for road bridge construction. BACKGROUND

[0002] Bridge engineering refers to the working process of bridge survey, design, construction, maintenance and detection and the science and engineering technology of researching this process, and it is a branch of civil engineering, and the development of bridge engineering mainly depends on the needs of transportation.

[0003] In the bridge construction, the bridge needs to be detected after the completion of the early construction work, so as to determine the qualification of the bridge, and the detection project includes the detection of the bottom of the bridge, and in the detection process, the construction platform needs to be used to transport workers to the bottom of the bridge, so as to facilitate the workers to detect, and the two walking cars and the basket are matched, so as to deliver the workers in the basket to the bottom of the bridge.

[0004] The existing basket construction platform is hoisted by the motor and the cable arranged in the walking car, but the cable is easy to swing, which causes the workers in the basket to be unable to stably detect the bridge bottom, and the existing construction platform lacks the stability reinforcing component, so that the workers are easy to be affected by the wind and shake during detection, and the safety cannot be guaranteed. SUMMARY

[0005] (I) The technical problem solved

[0006] In view of the problems existing in the prior art, the utility model provides a safe construction platform for road bridge construction.

[0007] In order to realize the above purpose, the utility model realizes the following technical scheme: a safe construction platform for road bridge construction, including two walking cars, the upper surface of two walking cars is fixedly connected with extension frame, the upper surface of walking car is movably connected with reel through bearing seat, the reel is provided with cable, the end of cable away from reel is fixedly connected with basket through extension frame, the inside of extension frame is provided with stabilizing assembly, the upper surface of extension frame is provided with locking assembly;

[0008] The stabilizing assembly comprises a fixed block fixedly connected to the inside of the extension frame, two limiting cylinders are fixedly connected to the lower surface of the fixed block, a lifting rod is inserted into the inside of the limiting cylinder, two limiting blocks are fixedly connected to the outer surface of the lifting rod, a fixed seat is fixedly connected to the inside of the basket, a through groove matched with the lifting rod is arranged in the inside of the fixed seat, a driven gear is fixedly connected to the outer surface of the two lifting rods, and a transmission gear is meshingly connected between the driven gears.

[0009] The locking assembly comprises a fixed plate fixedly connected to the upper surface of an extension frame, a rotating shaft movably connected inside the extension frame, an eccentric wheel fixedly connected to the outer surface of the rotating shaft, gear teeth provided on the outer surface of the eccentric wheel, two rotating rods fixedly connected to the outer surface of the rotating shaft, and a tension spring fixedly connected to the end of the rotating rod away from the rotating shaft.

[0010] As a preferred scheme of the safe construction platform for road and bridge construction, the upper surface of the walking vehicle is fixedly connected with a hoisting motor, the output end of the hoisting motor is fixedly connected with the outer surface of the reel, the inside of the walking vehicle is provided with a cavity for placing heavy objects, and the end of the extension frame away from the walking vehicle is fixedly connected with a climbing frame.

[0011] As a preferred scheme of the safe construction platform for road and bridge construction, the upper surface of the fixed block is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with the inside of the transmission gear.

[0012] As a preferred scheme of the safe construction platform for road and bridge construction, the inside of the limiting cylinder is provided with a circular through hole for lifting the lifting rod, the inner wall of the circular through hole and the inside of the fixed block are movably connected with a stabilizing ring for preventing the lifting rod from shaking, the outer surface of the lifting rod is fixedly connected with two limiting strips, and the inside of the stabilizing ring and the transmission gear is provided with a rectangular groove for lifting the limiting strip.

[0013] As a preferred scheme of the safe construction platform for road and bridge construction, the top end of the through groove is provided with an inclined surface, the inside of the through groove is provided with a rectangular through hole for the movement of the limiting block, the bottom end of the through groove is provided with a limiting groove perpendicular to the rectangular through hole, the limiting groove is matched with the limiting block, and the outer surface of the limiting groove is provided with the same inclined surface.

[0014] As a preferred scheme of the safe construction platform for road and bridge construction, the outer surface of the fixed plate is provided with an arc surface, the end of the tension spring away from the rotating shaft is provided with a hook, and the outer surface of the extension frame is provided with a circular ring matched with the hook.

[0015] The utility model provides a kind of safe construction platform for road and bridge construction. It has the following beneficial effects:

[0016] 1、When the hanging basket rises to the bottom end of the lifting rod, the bottom end of the lifting rod is inserted into the through groove in the fixed block through the inclined surface at the top end of the through groove, so that the limiting block passes through the rectangular through hole and then passes through the fixed block, the transmission gear is driven by the servo motor to rotate by 90 degrees, so that the limiting block is rotated to the position of the limiting groove at the bottom end of the through groove, after the hanging basket is lowered, the limiting block on the outer surface of the lifting rod is inserted into the limiting groove at the bottom end of the through groove, so that the lifting rod is fixed with the fixed block, thereby avoiding the shaking of the hanging basket, improving the stability and safety.

[0017] 2、Pull the rotating shaft and the extension spring, so that the hook at one end of the extension spring cooperates with the ring on the outer surface of the extension frame, so that the eccentric wheel rotates, thereby driving the teeth on the outer surface of the eccentric wheel to extrude and fix the cable on the upper surface of the fixed plate, thereby preventing the cable from loosening. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 It is the overall structure schematic diagram of the present application.

[0020] Figure 2 It is the structure schematic diagram of the walking vehicle of the present application.

[0021] Figure 3 It is the exploded structure schematic diagram of the stabilizing assembly of the present application.

[0022] Figure 4 It is the structure schematic diagram of the through groove of the present application. Figure 3

[0023] Figure 5 It is the structure schematic diagram of the through groove of the present application.

[0024] Figure 6 It is the sectional structure schematic diagram of the locking assembly of the present application.

[0025] ​In the figure, 1, hanging basket; 2, walking car; 3, climbing frame; 4, extension frame; 5, locking assembly; 501, eccentric wheel; 502, fixed plate; 503, rotating shaft; 504, rotating rod; 505, tension spring; 6, hoisting motor; 7, reel; 8, stabilizing assembly; 801, fixed block; 802, limiting cylinder; 803, lifting rod; 804, limiting strip; 805, limiting block; 806, fixed seat; 807, driven gear; 808, stabilizing ring; 809, transmission gear; 810, servo motor; 811, through slot. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. EMBODIMENT

[0027] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the first embodiment of the utility model provides a safe construction platform for road and bridge construction, which comprises two walking cars 2, the upper surfaces of the two walking cars 2 are fixedly connected with extension frames 4, the upper surface of the walking car 2 is movably connected with a reel 7 through a bearing seat, the reel 7 is provided with a cable, the end of the cable away from the reel 7 is fixedly connected with a hanging basket 1 through the extension frame 4, the inside of the extension frame 4 is provided with a stabilizing assembly 8, the upper surface of the extension frame 4 is provided with a locking assembly 5, the stabilizing assembly 8 comprises a fixed block 801 fixedly connected in the inside of the extension frame 4, the lower surface of the fixed block 801 is fixedly connected with two limiting cylinders 802, the inside of the limiting cylinder 802 is provided with a lifting rod 803, the outer surface of the lifting rod 803 is fixedly connected with two limiting blocks 805, the inside of the hanging basket 1 is fixedly connected with a fixed seat 806, the inside of the fixed seat 806 is provided with a through slot 811 matched with the lifting rod 803, the outer surface of the two lifting rods 803 is fixedly connected with driven gears 807, and the driven gears 807 are movably connected with a transmission gear 809.

[0028] Specific, the upper surface of the walking car 2 is fixedly connected with the lifting motor 6, the output end of the lifting motor 6 is fixedly connected with the outer surface of the reel 7, the inside of the walking car 2 is provided with a cavity for placing heavy objects, the end of the extension frame 4 away from the walking car 2 is fixedly connected with the climbing frame 3, the upper surface of the fixed block 801 is fixedly connected with the servo motor 810, the output end of the servo motor 810 is fixedly connected with the inside of the transmission gear 809, the inside of the limiting cylinder 802 is provided with a circular hole for lifting the lifting rod 803, the inner wall of the circular hole and the inside of the fixed block 801 are movably connected with the stabilizing ring 808 for preventing the lifting rod 803 from shaking, the outer surface of the lifting rod 803 is fixedly connected with two limiting strips 804, the inside of the stabilizing ring 808 and the transmission gear 809 is provided with a rectangular groove for lifting the limiting strip 804, the top end of the through groove 811 is provided with an inclined surface, the inside of the through groove 811 is provided with a rectangular hole for the limiting block 805 to move, the bottom end of the through groove 811 is provided with a limiting groove perpendicular to the rectangular hole, the limiting groove is matched with the limiting block 805, and the outer surface of the limiting groove is provided with the same inclined surface.

[0029] Further, the basket 1 is lifted by the cable and the lifting motor 6, when the basket 1 is lifted to the bottom end of the lifting rod 803, the bottom end of the lifting rod 803 is inserted into the through groove 811 in the fixed block 801 through the inclined surface at the top end of the through groove 811, so that the limiting block 805 passes through the rectangular through hole and passes through the fixed block 801, after the limiting block 805 passes through, and during the process of inserting the lifting rod 803 into the through groove 811, if there is no cable shaking to cause no docking, the fixed block 801 will drive the lifting rod 803 to rise, so as to avoid being stuck, after the cable drives the basket 1 to gradually rise, the amplitude of the cable shaking gradually decreases, so that the lifting rod 803 can be smoothly inserted into the through groove 811, after the limiting rod is inserted into the through groove 811, the transmission gear 809 is driven by the servo motor 810 to rotate by 90 degrees, so that the limiting block 805 is rotated to the position of the limiting groove at the bottom end of the through groove 811, after the basket 1 is lowered to the bottom end of the lifting rod 803, the limiting block 805 on the outer surface of the lifting rod 803 is inserted into the limiting groove at the bottom end of the through groove 811, so that the lifting rod 803 is fixed with the fixed block 801, thereby avoiding the shaking of the basket 1, improving the stability and safety, the length of the lifting rod 803 is enough for the basket 1 to be lowered to the bottom end of the bridge, so as to facilitate the workers to detect, the top end of the through groove 811 is provided with an inclined surface, so that the lifting rod 803 can be inserted into the through groove 811 along the inclined surface, the outer surface of the limiting groove at the bottom end of the through groove 811 is provided with the same inclined surface, facilitating the insertion of the limiting block 805 into the limiting groove, the inside of the walking vehicle 2 is provided with a cavity for placing heavy objects, the heavy objects in the cavity avoid the walking vehicle 2 from falling, the lifting rod 803 is lifted in the stabilizing ring 808, and the stabilizing ring 808 is driven to rotate by the limiting strip 804 when the lifting rod 803 rotates, and the stabilizing ring 808 avoids the lifting rod 803 from shaking in the limiting cylinder 802. Embodiment

[0030] Reference Figure 1 , Figure 2 , Figure 5 And Figure 6 , the second embodiment of the utility model, this embodiment is based on the last embodiment, the locking assembly 5, including the fixed plate 502 that is fixedly connected on the upper surface of the extension frame 4, the inside movable joint of extension frame 4 has rotating shaft 503, the outer surface of rotating shaft 503 is fixedly connected with eccentric wheel 501, the outer surface of eccentric wheel 501 is provided with tooth, the outer surface of rotating shaft 503 is fixedly connected with two rotating rods 504, and the one end of rotating rod 504 away from rotating shaft 503 is fixedly connected with stretch spring 505.

[0031] Specifically, the outer surface of the fixed plate 502 is provided with an arc surface, the one end of the stretch spring 505 away from the rotating shaft 503 is provided with a hook, and the outer surface of the extension frame 4 is provided with a ring cooperating with the hook.

[0032] Further, pulling the rotating shaft 503 and the tension spring 505, so that the hook at one end of the tension spring 505 cooperates with the ring on the outer surface of the extension frame 4, thereby making the eccentric wheel 501 rotate, the teeth on the outer surface of the eccentric wheel 501 gradually approach the arc surface on the upper surface of the fixed plate 502, thereby realizing the extrusion and fixation of the cable on the upper surface of the fixed plate 502, preventing the cable from loosening, and the elastic force of the tension spring 505 is large enough to fix the rotating shaft 503 and the eccentric wheel 501.

[0033] Working principle: After the road and bridge construction is completed, when the bottom of the bridge is detected, the two walking vehicles 2 are moved to the horizontal position, then the cable inside the reel 7 is released by the hoisting motor 6 to drive the reel 7, so that the cable is lowered to the ground, after the cable is fixed to the outer surface of the hanging basket 1, the hanging basket 1 is lifted to the lower surface of the bridge by the hoisting motor 6, when the hanging basket 1 rises to the bottom end of the lifting rod 803, the bottom end of the lifting rod 803 is inserted into the through slot 811 in the fixed block 801 through the inclined surface at the top end of the through slot 811, so that the limiting block 805 passes through the rectangular through hole to pass through the fixed block 801, after the limiting block 805 passes through, and during the process of inserting the lifting rod 803 into the through slot 811, if there is no abutment caused by the shaking of the cable, the fixed block 801 will drive the lifting rod 803 to rise, thereby avoiding being stuck, when the hanging basket 1 gradually rises driven by the cable, the amplitude of the cable shaking gradually decreases, so that the lifting rod 803 can be smoothly inserted into the through slot 811, after the limiting rod is inserted into the through slot 811, the transmission gear 809 is rotated by 90 degrees by the servo motor 810 to drive the transmission gear 809, so that the limiting block 805 is rotated to the position of the limiting slot at the bottom end of the through slot 811, at this time, the workers enter the hanging basket 1 through the climbing frame 3, then the cable is released by the hoisting motor 6, so that the hanging basket 1 descends, after descending to the bottom end of the lifting rod 803, the limiting block 805 on the outer surface of the lifting rod 803 is inserted into the limiting slot at the bottom end of the through slot 811, so that the lifting rod 803 is fixed with the fixed block 801, thereby avoiding the shaking of the hanging basket 1, improving the stability and safety, at this time, the workers above the bridge pull the rotating shaft 503 and the tension spring 505 together, so that the hook at one end of the tension spring 505 cooperates with the ring on the outer surface of the extension frame 4, thereby making the eccentric wheel 501 rotate, thereby driving the teeth on the outer surface of the eccentric wheel 501 to extrude and fix the cable on the upper surface of the fixed plate 502, thereby achieving the effect of preventing the cable from loosening, improving the safety, and finally realizing the safe and stable detection work of workers to the bottom end of the bridge.

[0034] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

Claims

1. A safe construction platform for road and bridge construction, comprising two traveling vehicles (2), characterized in that: Both of the two traveling vehicles (2) are fixedly connected to an extension frame (4). The upper surface of the traveling vehicle (2) is movably connected to a reel (7) through a bearing seat. A cable is provided inside the reel (7). The end of the cable away from the reel (7) passes around the extension frame (4) and is fixedly connected to a basket (1). A stabilizing component (8) is provided inside the extension frame (4). A locking component (5) is provided on the upper surface of the extension frame (4). The stabilizing component (8) includes a fixing block (801) fixedly connected inside the extension frame (4). Two limiting cylinders (802) are fixedly connected to the lower surface of the fixing block (801). A lifting rod (803) is inserted inside the limiting cylinder (802). Two limiting blocks (805) are fixedly connected to the outer surface of the lifting rod (803). A fixing seat (806) is fixedly connected inside the basket (1). A through groove (811) that mates with the lifting rod (803) is provided inside the fixing seat (806). Driven gears (807) are fixedly connected to the outer surfaces of the two lifting rods (803). A transmission gear (809) meshes between the driven gears (807). The locking assembly (5) includes a fixing plate (502) fixedly connected to the upper surface of the extension frame (4). The extension frame (4) is movably connected to a rotating shaft (503). An eccentric wheel (501) is fixedly connected to the outer surface of the rotating shaft (503). The outer surface of the eccentric wheel (501) is provided with teeth. Two rotating rods (504) are fixedly connected to the outer surface of the rotating shaft (503). A tension spring (505) is fixedly connected to one end of the rotating rod (504) away from the rotating shaft (503).

2. The safe construction platform for road and bridge construction according to claim 1, characterized in that: The upper surface of the traveling vehicle (2) is fixedly connected to a lifting motor (6), the output end of the lifting motor (6) is fixedly connected to the outer surface of the reel (7), the interior of the traveling vehicle (2) is provided with a cavity for placing heavy objects, and the end of the extension frame (4) away from the traveling vehicle (2) is fixedly connected to a climbing frame (3).

3. The safe construction platform for road and bridge construction according to claim 2, characterized in that: A servo motor (810) is fixedly connected to the upper surface of the fixed block (801), and the output end of the servo motor (810) is fixedly connected to the inside of the transmission gear (809).

4. A safe construction platform for road and bridge construction according to claim 3, characterized in that: The limiting cylinder (802) has a circular through hole for the lifting rod (803) to lift. The inner wall of the circular through hole and the inside of the fixing block (801) are movably connected to a stabilizing ring (808) to prevent the lifting rod (803) from shaking. Two limiting strips (804) are fixedly connected to the outer surface of the lifting rod (803). The inside of the stabilizing ring (808) and the transmission gear (809) are both provided with rectangular grooves for the lifting of the limiting strips (804).

5. A safe construction platform for road and bridge construction according to claim 4, characterized in that: The top of the through groove (811) is provided with an inclined surface, and the inside of the through groove (811) is provided with a rectangular through hole for the movement of the limiting block (805). The bottom of the through groove (811) is provided with a limiting groove perpendicular to the rectangular through hole. The limiting groove cooperates with the limiting block (805), and the outer surface of the limiting groove is provided with the same inclined surface.

6. A safe construction platform for road and bridge construction according to claim 5, characterized in that: The outer surface of the fixing plate (502) is provided with an arc-shaped surface, the end of the tension spring (505) away from the rotating shaft (503) is provided with a hook, and the outer surface of the extension frame (4) is provided with a ring that cooperates with the hook.

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