Pedestal driving structure

Abstract

The utility model discloses a pedestal driving structure, which relates to the field of concrete beam pedestals and comprises a pedestal body, two groups of support shafts are fixedly mounted at the bottom of the pedestal body, rollers are movably mounted in the two support shafts in each group, a transmission mechanism is mounted at the bottom of the pedestal body close to the front end and the rear end, and the transmission mechanism comprises two transmission rods and four support plates. The four supporting plates are fixedly installed at the positions, close to the front end and the rear end, of the bottom of the base body respectively, the two transmission rods are movably installed between every two adjacent supporting plates respectively, a hydraulic motor is installed at the position, close to the rear end, of the bottom of the base body, and worm wheels are fixedly installed in the middles of the peripheries of the transmission rods. A worm is installed on the output shaft of the hydraulic motor and located on the periphery of one worm gear. Synchronous driving of a plurality of rollers is facilitated, the rollers can be automatically locked after stopping rotating, the driving force of the rollers and fixing of the seat body are enhanced, unlocking of a single roller is facilitated, and the seat body can move under the action of inertia or external force.

Description

Technical Field

[0001] The utility model relates to the field of concrete beam pedestals, and particularly to a pedestal driving structure. Background Technique

[0002] A concrete beam pedestal is a structure used in bridge construction for prefabricating and curing concrete beams until these beam bodies reach sufficient strength to bear the expected load. Moving the pedestal enables it to move and adjust its position during the construction process, thereby improving construction efficiency and flexibility. This solution specifically relates to a pedestal driving structure;

[0003] When the existing pedestal driving structure is in use, the seat body moves on the track, and multiple driving devices are required for driving. It is not convenient for synchronous driving of multiple rollers. The rollers are prone to rotate after the seat body stops, causing the whole to slide. At the same time, it is not convenient to unlock a single roller, and the seat body cannot move under the action of inertia or external force. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide a pedestal driving structure, which can effectively solve the technical problems in the background technique.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A pedestal driving structure includes a seat body. Two groups of support shafts are fixedly installed at the bottom of the seat body. Two rollers are movably installed inside each of the two support shafts in each group. A transmission mechanism is installed at the front and rear ends of the bottom of the seat body. The transmission mechanism includes two transmission rods and four support plates. The four support plates are respectively fixedly installed at the front and rear ends of the bottom of the seat body. The two transmission rods are respectively movably installed between two adjacent support plates. A hydraulic motor is installed at the rear end of the bottom of the seat body. A worm gear is fixedly installed at the middle position of the periphery of the transmission rod. A worm is installed on the output shaft of the hydraulic motor and located at the periphery of one of the worm gears. A rotating rod is fixedly installed between the two worms. A first tooth disc is fixedly installed at the inner end of the rotating shaft of each roller. A sliding rod is slidably installed through both ends of the transmission rod. A second tooth disc is fixedly installed at the outer end of the sliding rod.

[0007] As a further solution of the utility model, the transmission rod is rotatably arranged between the two support plates, and the worm and the worm gear are meshed with each other.

[0008] As a further solution of the utility model, the periphery of the sliding rod is provided with teeth. The sliding rod is slidably arranged inside the transmission rod, and the sliding rod rotates synchronously with the transmission rod through the teeth on the periphery.

[0009] As a further solution of the present utility model, the first gear disc and the roller are fixedly connected by a rotating shaft, and the inner side of the first gear disc meshes with the outer side of the second gear disc.

[0010] As a further solution of the present utility model, a clutch mechanism is installed inside each of the support plates. The clutch mechanism includes a hydraulic cylinder and a positioning seat. The positioning seat is movably installed inside the second gear disc. The hydraulic cylinder is installed inside the support plate. The top end of the inner side of the positioning seat is fixedly installed at the end of the telescopic rod of the hydraulic cylinder. Two guide rods are installed inside the positioning seat and penetrate through the inside of the support plate. A clamping shaft is installed inside the second gear disc and penetrates through the inside of the positioning seat.

[0011] As a further solution of the present utility model, the guide rods are slidably arranged through the inside of the support plate, and the telescopic directions of the telescopic rods of the two hydraulic cylinders on both sides are opposite.

[0012] As a further solution of the present utility model, the clamping shaft is fixedly installed with the second gear disc, and the clamping shaft is rotatably arranged inside the positioning seat.

[0013] The beneficial effects of the present utility model are as follows:

[0014] By setting the transmission mechanism, the two worm gears are fixedly connected by a rotating rod. The meshing of the worm gear and the worm wheel enables the two transmission rods to rotate simultaneously, facilitating the synchronous drive of multiple rollers. Through the meshing of the outer side of the second gear disc and the inner side of the first gear disc, the second gear disc rotates accordingly and drives the roller to rotate, thereby driving the seat body to move. Through the meshing of the worm gear and the worm wheel, the roller can be automatically locked after stopping rotation, enhancing the driving force of the roller and the fixation of the seat body.

[0015] By setting the clutch mechanism, the telescopic rod of the hydraulic cylinder drives the positioning seat to slide, enabling the second gear disc to contact or disengage from the first gear disc, facilitating the unlocking of a single roller, and enabling the seat body to move under inertia or external force. Through the connection of the clamping shaft, the second gear disc rotates outside the positioning seat and is prevented from disengaging. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the pedestal drive structure of the present utility model;

[0017] Figure 2 It is a schematic diagram of the bottom structure of the seat body in the pedestal drive structure of the present utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the transmission mechanism in the pedestal drive structure of the present utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the clutch mechanism in the pedestal drive structure of the present utility model.

[0020] In the figure: 1, seat body; 2, support shaft; 3, roller; 4, transmission mechanism; 5, clutch mechanism; 6, transmission rod; 7, support plate; 8, hydraulic motor; 9, worm gear; 10, worm; 11, rotating rod; 12, first tooth disc; 13, sliding rod; 14, second tooth disc; 15, hydraulic cylinder; 16, positioning seat; 17, guide rod; 18, clamping shaft. Specific embodiments

[0021] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] As Figures 1-4 shown, the pedestal drive structure includes a seat body 1. Two groups of support shafts 2 are fixedly installed at the bottom of the seat body 1. Two rollers 3 are movably installed inside each of the two support shafts 2 in a group. A transmission mechanism 4 is installed at the front and rear ends of the bottom of the seat body 1. The transmission mechanism 4 includes two transmission rods 6 and four support plates 7. The four support plates 7 are respectively fixedly installed at the front and rear ends of the bottom of the seat body 1. The two transmission rods 6 are respectively movably installed between two adjacent support plates 7. A hydraulic motor 8 is installed at the rear end of the bottom of the seat body 1. A worm gear 9 is fixedly installed at the middle position of the periphery of the transmission rod 6. A worm 10 is installed on the output shaft of the hydraulic motor 8 and located outside one of the worm gears 9. A rotating rod 11 is fixedly installed between the two worms 10. The inner end of the rotating shaft of each roller 3 is fixedly installed with a first tooth disc 12. A sliding rod 13 is slidably installed through both ends of the transmission rod 6. A second tooth disc 14 is fixedly installed at the outer end of the sliding rod 13.

[0023] In this embodiment, the transmission rod 6 is rotatably arranged between the two support plates 7. The worm 10 and the worm gear 9 are meshed with each other. The two worms 10 are fixed through the connection of the rotating rod 11. Through the meshing of the worm 10 and the worm gear 9, the two transmission rods 6 rotate.

[0024] In this embodiment, the periphery of the sliding rod 13 is provided with teeth. The sliding rod 13 is slidably arranged through the inside of the transmission rod 6. The sliding rod 13 rotates synchronously with the transmission rod 6 through the teeth on the periphery. The transmission rod 6 drives the sliding rods 13 at both ends to rotate. Through the meshing of the first tooth disc 12 and the second tooth disc 14, the corresponding roller 3 rotates to drive the seat body 1 to move.

[0025] In this embodiment, the first tooth disc 12 and the roller 3 are fixedly connected through a rotating shaft. The inner side of the first tooth disc 12 and the outer side of the second tooth disc 14 are meshed with each other. The second tooth disc 14 contacts and meshes with the first tooth disc 12 to drive the rotation of the roller 3.

[0026] In this embodiment, a clutch mechanism 5 is installed on the inner side of each support plate 7. The clutch mechanism 5 includes a hydraulic cylinder 15 and a positioning seat 16. The positioning seat 16 is movably installed inside the second gear disc 14. The hydraulic cylinder 15 is installed on the inner side of the support plate 7. The top end of the inner side of the positioning seat 16 is fixedly installed at the end of the telescopic rod of the hydraulic cylinder 15. Two guide rods 17 are installed inside the positioning seat 16 and penetrate through the support plate 7. A clamping shaft 18 is installed inside the second gear disc 14 and penetrates through the positioning seat 16. By driving the positioning seat 16 to slide through the telescopic rod of the hydraulic cylinder 15, the positioning seat 16 drives the second gear disc 14 to move, so that the second gear disc 14 contacts or disengages from the first gear disc 12.

[0027] In this embodiment, the guide rods 17 penetrate through the support plate 7 and are slidably arranged. The telescopic directions of the telescopic rods of the two hydraulic cylinders 15 on both sides are opposite. The guide rods 17 slide inside the support plate 7 to guide the positioning seat 16 to slide. The telescopic rod of the hydraulic cylinder 15 drives the positioning seat 16 to slide.

[0028] In this embodiment, the clamping shaft 18 is fixedly installed with the second gear disc 14. The clamping shaft 18 is rotatably arranged inside the positioning seat 16. The second gear disc 14 is connected to the positioning seat 16 through the clamping shaft 18. The second gear disc 14 follows the positioning seat 16 to slide through the clamping shaft 18.

[0029] It should be noted that the present utility model is a pedestal drive structure. During use, the seat body 1 travels on the track through the rollers 3. The seat body 1 is used to connect with the bottom molds of box girders, ladder girders, and hollow slab girders. When performing mobile driving, the hydraulic motor 8 drives the worm 10 to rotate. The two worms 10 are fixedly connected through the rotating rod 11 to rotate synchronously. Through the meshing of the worm 10 and the worm gear 9, the two transmission rods 6 at the bottom of the seat body 1 rotate simultaneously. The corresponding second gear disc 14 is driven to rotate through the sliding rod 13. Through the meshing of the outer side of the second gear disc 14 and the inner side of the first gear disc 12, the first gear disc 12 rotates and drives the corresponding roller 3 to rotate through the rotating shaft, thereby driving the seat body 1 to move. Through the meshing of the worm 10 and the worm gear 9, the rollers 3 are automatically locked after stopping rotating. When unlocking the rollers 3, the hydraulic cylinder 15 corresponding to the rollers 3 is started, so that the telescopic rod in the hydraulic cylinder 15 contracts. Through the connection of the clamping shaft 18, the positioning seat 16 drives the second gear disc 14 to slide inward, and at the same time drives the sliding rod 13 to contract into the transmission rod 6, so that the second gear disc 14 disengages from the first gear disc 12, and the corresponding roller 3 can rotate freely.

[0030] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed for the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pedestal driving structure, comprising a pedestal (1), wherein two groups of supporting shafts (2) are fixedly mounted at the bottom of the pedestal (1), wherein rollers (3) are movably mounted inside two of the supporting shafts (2) in each group, and a transmission mechanism (4) is mounted at the front and rear ends of the bottom of the pedestal (1), characterized in that: The transmission mechanism (4) comprises two transmission rods (6) and four support plates (7), the four support plates (7) being fixedly mounted at the front and rear ends of the bottom of the seat body (1), the two transmission rods (6) being movably mounted between two adjacent support plates (7), the bottom of the seat body (1) being mounted with a hydraulic motor (8) at the rear end, a worm wheel (9) being fixedly mounted at the center of the periphery of the transmission rod (6), a worm (10) being mounted at the periphery of the output shaft of the hydraulic motor (8) and located at the periphery of one of the worm wheels (9), a rotating rod (11) being fixedly mounted between the two worm wheels (10), a first toothed disc (12) being fixedly mounted at the inner end of the rotating shaft of each roller (3), a sliding rod (13) being slidably mounted at both ends of the transmission rod (6), and a second toothed disc (14) being fixedly mounted at the outer end of the sliding rod (13).

2. The pedestal driving structure according to claim 1, characterized in that: The transmission rod (6) is located between the two support plates (7) and is movably rotatable, and the worm (10) and the worm wheel (9) are meshed with each other.

3. The pedestal driving structure according to claim 1, characterized in that: The outer periphery of the slide rod (13) is toothed, the slide rod (13) penetrates the interior of the transmission rod (6) and is slidably arranged, and the slide rod (13) rotates synchronously with the transmission rod (6) through the teeth on the outer periphery.

4. The pedestal driving structure according to claim 1, characterized in that: The first toothed disc (12) and the roller (3) are fixedly connected via a rotating shaft, and the inner side of the first toothed disc (12) and the outer side of the second toothed disc (14) are meshed with each other.

5. The pedestal driving structure according to claim 1, characterized in that: A clutch mechanism (5) is installed on the inner side of each support plate (7), and the clutch mechanism (5) comprises a hydraulic cylinder (15) and a positioning seat (16). The positioning seat (16) is movably installed on the inner side of the second toothed disc (14). The hydraulic cylinder (15) is installed on the inner side of the support plate (7). The inner side of the positioning seat (16) is fixedly installed at the end of the telescopic rod of the hydraulic cylinder (15) by the top end. Two guide rods (17) are installed on the inner side of the positioning seat (16) and pass through the interior of the support plate (7). A clamping shaft (18) is installed on the inner side of the second toothed disc (14) and pass through the interior of the positioning seat (16).

6. The pedestal driving structure according to claim 5, characterized in that: The guide rod (17) penetrates the interior of the support plate (7) and is slidably arranged, and the telescopic rods of the two hydraulic cylinders (15) on both sides are arranged in opposite directions.

7. The pedestal driving structure according to claim 5, characterized in that: The clamping shaft (18) and the second toothed disc (14) are fixedly installed, and the clamping shaft (18) is located inside the positioning seat (16) and is movably rotatable.

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