A ramming and compacting device for road and bridge subgrade construction

Abstract

The present invention discloses a tamping and compacting device for road and bridge subgrade construction, comprising a movable seat, a rotating seat, a driven pulley, a synchronous belt, a synchronous walking mechanism, a retracting and releasing device, a pull rope, a fixed seat, a pulley, a slide groove, a tamping hammer, a sliding block, an automatic transmission device, a motor and an active pulley; the automatic transmission device provided in the present invention will rotate the power transmission walking wheel only when the tamping hammer moves upward, thereby enabling the entire device to be displaced, thus meeting the need for tamping and compacting at different positions in sequence; the rotating adjustment head in the present invention can drive the roller to transmit power at different radial positions of the turntable, thereby being able to adjust the step distance of the tamping and compacting of the tamping hammer, thus improving the tamping and compacting effect; the motor provided in the present invention can drive all the rotating seats to rotate synchronously, thereby meeting the need for the device to move in different directions, thus improving the convenience of tamping and compacting operations.

Description

Technical Field

[0001] The present invention relates to the technical field of road bridge subgrade construction equipment, in particular to a ramming and compacting device for road bridge subgrade construction. Background Art

[0002] Roadbed engineering, a major category of construction projects such as highways, railways, and urban rail transit, is indispensable in engineering construction from the perspectives of reducing overall project costs, functional requirements, and soil and rock allocation. A tamping machine is a compacting machine used for compaction, using impact and vibration to compact backfill soil in layers. It is often used to level and compact the foundation during construction. However, existing tamping and compaction devices require workers to move around to perform tamping and compaction operations at different locations. For roads and bridges with large roadbeds, using workers to move the tamping and compaction device significantly increases the labor intensity. Summary of the Invention

[0003] The purpose of the present invention is to provide a tamping and compacting device for road and bridge subgrade construction in order to solve the above-mentioned problems, which solves the problem that the existing tamping and compacting devices require workers to move when in use to meet the tamping and compacting operations at different positions, and for roads and bridges with relatively large subgrades, the use of workers to move the tamping and compacting devices significantly increases the labor intensity of the workers.

[0004] Base comprises support, castor, and frame upper is provided with guide rail, and support and conveyer frames movable end contact site are provided with recoil spring, and castor is arranged on the pin of base bottom four, to carry mobile handler location. The left side of the moving seat; the bottom of the fixed seat is fixedly connected to the upper right side of the moving seat, and a vertical slide groove is opened on the right side of the fixed seat; the pulley is movably connected to the inside of the upper right side of the fixed seat; the outside of the slider is vertically movably connected to the inside of the slide groove, and a rammer is fixedly connected to the right side of the slider; one end of the pull rope is fixedly connected to the upper side of the slider, and the other end of the pull rope is connected to the retracting device through a pulley; the automatic transmission device is fixedly connected to the inside of the lower side of the fixed seat, and the transmission shaft of the automatic transmission device is connected to the upper right side of the synchronous walking mechanism, and the right side of the automatic transmission device is connected to the left side of the slider; the motor is fixedly connected to the top surface of the moving seat, and a driving pulley is fixedly connected to the output shaft of the lower side of the motor, and the driving pulley is connected to the synchronous belt.

[0005] Preferably, the specific structure of the synchronous walking mechanism includes a walking wheel, a driven pulley 2, a synchronous belt 2, a driving pulley 2, a connecting gear 1, a connecting gear 2, a transmission shaft, a transmission pulley, a synchronous belt 3 and a motor 2; there are four walking wheels, and the four walking wheels are movably connected to the lower inner side of the corresponding rotating seat, and the four central shafts on the side surfaces of the walking wheels are fixedly connected to the driven pulley 2; there are four transmission shafts, and the four transmission shafts are movably connected to the corresponding central holes on the upper side of the rotating seat, the lower ends of the four transmission shafts are fixedly connected to the connecting gear 2, and the upper outsides of the four transmission shafts are fixedly connected There is a transmission pulley, and the transmission pulleys are connected in three phases through a synchronous belt, and the upper side of the transmission shaft on the right is connected to the lower side of the automatic transmission device; there are four connecting gears, and the four connecting gears are movably connected to the central interior of the corresponding rotating seat, and the four connecting gears are respectively connected to the corresponding connecting gears. The ends of the outer central shafts of the four connecting gears are fixedly connected to the driving pulley 2, and the driving pulley 2 is connected to the corresponding driven pulley 2 through the synchronous belt 2; the motor 2 is fixedly connected to the upper left front side of the moving seat, and the output shaft of the lower side of the motor 2 is fixedly connected to the center of the upper side of the corresponding transmission shaft.

[0006] Preferably, the specific structure of the retracting and releasing device includes a gear box, motor three, a gear cavity, a toothless gear, a driven gear, a connecting shaft and a drum; motor three is fixedly connected to the outside of the rear side of the gear box, and a gear cavity is provided inside the center of the gear box; the toothless gear is movably connected to the left side of the gear cavity, and the center of the toothless gear is fixedly connected to the output shaft of motor three; the connecting shaft is movably connected to the right side of the gear box, the driven gear is fixedly connected to the inside of the connecting shaft, and the driven gear is connected to the toothless gear, and the outside of the connecting shaft is fixedly connected to the drum, and the drum is wound around the other end of the pull rope.

[0007] Preferably, the motor three is a reduction motor.

[0008] Preferably, the specific structure of the automatic transmission device includes a rack, a connecting gear, a one-way bearing, an outer shell, a spline shaft, a roller, a turntable, a transmission shaft, a movable block, a guide slot hole, a screw, an end cover and an adjusting head; the rack is vertically fixedly connected to the rear side of the vertical groove set on the left side of the slider; the outside of the outer shell is fixedly connected to the inside of the lower side of the fixing seat, and a horizontal guide slot hole is provided inside the left side of the outer shell; the spline shaft is movably connected to the center of the right side of the guide slot hole, the right side of the spline shaft is fixedly connected to the inside of the one-way bearing, and the outside of the one-way bearing is fixedly connected to a connecting gear, and the connecting gear is connected to the rack; the The end cover is fixedly connected to the left opening of the guide slot hole; the screw is movably connected to the left center of the guide slot hole, and the left end of the screw is fixedly connected to the adjusting head; the outside of the movable block is movably connected to the inside of the guide slot hole, and the threaded hole set in the left center of the movable block is connected to the screw; the transmission shaft is movably connected to the inside of the lower right side of the outer shell, the upper end of the transmission shaft is fixedly connected to the lower center of the turntable, and the lower side of the transmission shaft is connected to the upper right side of the synchronous walking mechanism; the roller is movably connected to the inside of the lower right side of the movable block, the spline hole set in the center of the roller is connected to the left side of the spline shaft, and the lower side of the roller is connected to the top surface of the turntable.

[0009] Preferably, the guide slot hole is a rectangular hole and matches the exterior of the movable block.

[0010] Preferably, a hexagonal hole is provided in the center of the outer side of the adjusting head.

[0011] Preferably, the motor 1 is a servo motor or a stepper motor.

[0012] Preferably, the pull rope is a steel wire rope.

[0013] Beneficial effects of the present invention:

[0014] (1) The present invention has a reasonable and simple structure, low production cost and easy installation. The automatic transmission device provided here will rotate the power transmission walking wheel only when the rammer moves upward, thereby enabling the entire device to be displaced, thus meeting the need for ramming and compacting at different positions in sequence.

[0015] (2) The rotary adjustment head in the present invention can drive the roller to transmit power at different radial positions of the turntable, thereby adjusting the step distance of the tamping hammer, thereby improving the tamping and compacting effect.

[0016] (3) The motor 1 provided in the present invention can drive all the rotating seats to rotate synchronously, thereby meeting the need for the device to move in different directions, and thus improving the convenience of the tamping and compacting operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a structural schematic diagram of the present invention.

[0018] Figure 2 It is a structural diagram of the synchronous walking mechanism.

[0019] Figure 3 It is a structural schematic diagram of the retractable device.

[0020] Figure 4 It is a structural diagram of an automatic transmission device.

[0021] 1-moving seat; 2-rotating seat; 3-driven pulley 1; 4-synchronous belt; 5-synchronous walking mechanism; 6-retracting device; 7-pull rope; 8-fixed seat; 9-pulley; 10-chute; 11-rammer; 12-slider; 13-automatic transmission device; 14-motor 1; 15-driving pulley; 51-traveling wheel; 52-driven pulley 2; 53-synchronous belt 2; 54-driving pulley 2; 55-connecting gear 1; 56-connecting gear 2; 57-transmission shaft; 58-driving pulley; 5 9-synchronous belt three; 510-motor two; 61-gearbox; 62-motor three; 63-gear cavity; 64-toothless gear; 65-driven gear; 66-connecting shaft; 67-roller; 131-rack; 132-connecting gear; 133-one-way bearing; 134-outer shell; 135-spline shaft; 136-roller; 137-turntable; 138-drive shaft; 139-movable block; 1310-guide slot hole; 1311-screw; 1312-end cover; 1313-adjusting head. DETAILED DESCRIPTION Example 1

[0022] like Figure 1As shown, this specific embodiment adopts the following technical solutions: a ramming and compacting device for road and bridge subgrade construction, comprising a mobile seat 1, a rotating seat 2, a driven pulley 3, a synchronous belt 4, a synchronous walking mechanism 5, a retracting device 6, a pull rope 7, a fixed seat 8, a pulley 9, a slide 10, a rammer 11, a slider 12, an automatic transmission device 13, a motor 14 and a driving pulley 15; there are four rotating seats 2, and the upper outer sides of the four rotating seats 2 are movably connected to the four corners of the lower side of the moving seat 1, and the upper outer sides of the four rotating seats 2 are fixedly connected to the driven pulley 3, and the driven pulleys 3 are connected by a synchronous belt 4; the upper side of the synchronous walking mechanism 5 is arranged inside the upper side of the moving seat 1, and the lower sides of the synchronous walking mechanism 5 are respectively arranged inside the corresponding rotating seat 2; the bottom of the retracting device 6 is fixedly connected to the left side of the upper side of the moving seat 1; The bottom of the fixed seat 8 is fixedly connected to the upper right side of the movable seat 1, and a vertical slide groove 10 is opened on the right side of the fixed seat 8; the pulley 9 is movably connected to the inside of the upper right side of the fixed seat 8; the outside of the slider 12 is vertically movably connected to the inside of the slide groove 10, and a rammer 11 is fixedly connected to the right side of the slider 12; one end of the pull rope 7 is fixedly connected to the upper side of the slider 12, and the other end of the pull rope 7 is connected to the retracting device 6 through the pulley 9; the automatic transmission device 13 is fixedly connected to the inside of the lower side of the fixed seat 8, and the lower side transmission shaft of the automatic transmission device 13 is connected to the upper right side of the synchronous walking mechanism 5, and the right side of the automatic transmission device 13 is connected to the left side of the slider 12; the motor 14 is fixedly connected to the top surface of the movable seat 1, and a driving pulley 15 is fixedly connected to the lower side output shaft of the motor 14, and the driving pulley 15 is connected to the synchronous belt 4. Example 2

[0023] like Figure 1As shown, this specific embodiment adopts the following technical solutions: a ramming and compacting device for road and bridge subgrade construction, comprising a mobile seat 1, a rotating seat 2, a driven pulley 3, a synchronous belt 4, a synchronous walking mechanism 5, a retracting device 6, a pull rope 7, a fixed seat 8, a pulley 9, a slide 10, a rammer 11, a slider 12, an automatic transmission device 13, a motor 14 and a driving pulley 15; there are four rotating seats 2, and the upper outer sides of the four rotating seats 2 are movably connected to the four corners of the lower side of the moving seat 1, and the upper outer sides of the four rotating seats 2 are fixedly connected to the driven pulley 3, and the driven pulleys 3 are connected by a synchronous belt 4; the upper side of the synchronous walking mechanism 5 is arranged inside the upper side of the moving seat 1, and the lower sides of the synchronous walking mechanism 5 are respectively arranged inside the corresponding rotating seat 2; the bottom of the retracting device 6 is fixedly connected to the left side of the upper side of the moving seat 1; The bottom of the fixed seat 8 is fixedly connected to the upper right side of the movable seat 1, and a vertical slide groove 10 is opened on the right side of the fixed seat 8; the pulley 9 is movably connected to the inside of the upper right side of the fixed seat 8; the outside of the slider 12 is vertically movably connected to the inside of the slide groove 10, and a rammer 11 is fixedly connected to the right side of the slider 12; one end of the pull rope 7 is fixedly connected to the upper side of the slider 12, and the other end of the pull rope 7 is connected to the retracting device 6 through the pulley 9; the automatic transmission device 13 is fixedly connected to the inside of the lower side of the fixed seat 8, and the lower side transmission shaft of the automatic transmission device 13 is connected to the upper right side of the synchronous walking mechanism 5, and the right side of the automatic transmission device 13 is connected to the left side of the slider 12; the motor 14 is fixedly connected to the top surface of the movable seat 1, and a driving pulley 15 is fixedly connected to the lower side output shaft of the motor 14, and the driving pulley 15 is connected to the synchronous belt 4.

[0024] like Figure 2As shown, the specific structure of the synchronous walking mechanism 5 includes a walking wheel 51, a driven pulley 2 52, a synchronous belt 2 53, a driving pulley 2 54, a connecting gear 1 55, a connecting gear 2 56, a transmission shaft 57, a transmission pulley 58, a synchronous belt 3 59 and a motor 2 510; there are four walking wheels 51, and the four walking wheels 51 are movably connected to the lower inner side of the corresponding rotating seat 2, and the driven pulley 2 52 is fixedly connected to the side center axis of the four walking wheels 51; there are four transmission shafts 57, and the four transmission shafts 57 are movably connected to the upper center hole of the corresponding rotating seat 2, and the lower ends of the four transmission shafts 57 are fixedly connected to the connecting gear 2 56, and the upper outsides of the four transmission shafts 57 are fixedly connected It is connected to a transmission pulley 58, and the transmission pulleys 58 are connected by a synchronous belt three 59, and the upper side of the transmission shaft 57 on the right is connected to the lower side of the automatic transmission device 13; there are four connecting gears 55, and the four connecting gears 55 are movably connected to the central interior of the corresponding rotating seat 2, and the four connecting gears 55 are respectively connected to the corresponding connecting gear 2 56, and the outer central axis ends of the four connecting gears 55 are fixedly connected to the driving pulley 2 54, and the driving pulley 2 54 is connected to the corresponding driven pulley 2 52 through a synchronous belt 2 53; the motor 2 510 is fixedly connected to the upper left front side of the mobile seat 1, and the lower output shaft of the motor 2 510 is fixedly connected to the upper center of the corresponding transmission shaft 57.

[0025] like Figure 3 As shown, the specific structure of the retracting and unfolding device 6 includes a gear box 61, a motor three 62, a gear cavity 63, a toothless gear 64, a driven gear 65, a connecting shaft 66 and a roller 67; the motor three 62 is fixedly connected to the outside of the rear side of the gear box 61, and a gear cavity 63 is provided in the center of the gear box 61; the toothless gear 64 is movably connected to the left side of the gear cavity 63, and the center of the toothless gear 64 is fixedly connected to the output shaft of the motor three 62; the connecting shaft 66 is movably connected to the right side of the gear box 61, and the driven gear 65 is fixedly connected to the inner side of the connecting shaft 66, and the driven gear 65 is connected to the toothless gear 64, and the outer side of the connecting shaft 66 is fixedly connected to the roller 67, and the roller 67 is wound around the other end of the pull rope 7.

[0026] Among them, the motor three 62 is a reduction motor. Example 3

[0027] like Figure 1As shown, this specific embodiment adopts the following technical solutions: a ramming and compacting device for road and bridge subgrade construction, comprising a mobile seat 1, a rotating seat 2, a driven pulley 3, a synchronous belt 4, a synchronous walking mechanism 5, a retracting device 6, a pull rope 7, a fixed seat 8, a pulley 9, a slide 10, a rammer 11, a slider 12, an automatic transmission device 13, a motor 14 and a driving pulley 15; there are four rotating seats 2, and the upper outer sides of the four rotating seats 2 are movably connected to the four corners of the lower side of the moving seat 1, and the upper outer sides of the four rotating seats 2 are fixedly connected to the driven pulley 3, and the driven pulleys 3 are connected by a synchronous belt 4; the upper side of the synchronous walking mechanism 5 is arranged inside the upper side of the moving seat 1, and the lower sides of the synchronous walking mechanism 5 are respectively arranged inside the corresponding rotating seat 2; the bottom of the retracting device 6 is fixedly connected to the left side of the upper side of the moving seat 1; The bottom of the fixed seat 8 is fixedly connected to the upper right side of the movable seat 1, and a vertical slide groove 10 is opened on the right side of the fixed seat 8; the pulley 9 is movably connected to the inside of the upper right side of the fixed seat 8; the outside of the slider 12 is vertically movably connected to the inside of the slide groove 10, and a rammer 11 is fixedly connected to the right side of the slider 12; one end of the pull rope 7 is fixedly connected to the upper side of the slider 12, and the other end of the pull rope 7 is connected to the retracting device 6 through the pulley 9; the automatic transmission device 13 is fixedly connected to the inside of the lower side of the fixed seat 8, and the lower side transmission shaft of the automatic transmission device 13 is connected to the upper right side of the synchronous walking mechanism 5, and the right side of the automatic transmission device 13 is connected to the left side of the slider 12; the motor 14 is fixedly connected to the top surface of the movable seat 1, and a driving pulley 15 is fixedly connected to the lower side output shaft of the motor 14, and the driving pulley 15 is connected to the synchronous belt 4.

[0028] like Figure 2As shown, the specific structure of the synchronous walking mechanism 5 includes a walking wheel 51, a driven pulley 2 52, a synchronous belt 2 53, a driving pulley 2 54, a connecting gear 1 55, a connecting gear 2 56, a transmission shaft 57, a transmission pulley 58, a synchronous belt 3 59 and a motor 2 510; there are four walking wheels 51, and the four walking wheels 51 are movably connected to the lower inner side of the corresponding rotating seat 2, and the driven pulley 2 52 is fixedly connected to the side center axis of the four walking wheels 51; there are four transmission shafts 57, and the four transmission shafts 57 are movably connected to the upper center hole of the corresponding rotating seat 2, and the lower ends of the four transmission shafts 57 are fixedly connected to the connecting gear 2 56, and the upper outsides of the four transmission shafts 57 are fixedly connected It is connected to a transmission pulley 58, and the transmission pulleys 58 are connected by a synchronous belt three 59, and the upper side of the transmission shaft 57 on the right is connected to the lower side of the automatic transmission device 13; there are four connecting gears 55, and the four connecting gears 55 are movably connected to the central interior of the corresponding rotating seat 2, and the four connecting gears 55 are respectively connected to the corresponding connecting gear 2 56, and the outer central axis ends of the four connecting gears 55 are fixedly connected to the driving pulley 2 54, and the driving pulley 2 54 is connected to the corresponding driven pulley 2 52 through a synchronous belt 2 53; the motor 2 510 is fixedly connected to the upper left front side of the mobile seat 1, and the lower output shaft of the motor 2 510 is fixedly connected to the upper center of the corresponding transmission shaft 57.

[0029] like Figure 3 As shown, the specific structure of the retracting and unfolding device 6 includes a gear box 61, a motor three 62, a gear cavity 63, a toothless gear 64, a driven gear 65, a connecting shaft 66 and a roller 67; the motor three 62 is fixedly connected to the outside of the rear side of the gear box 61, and a gear cavity 63 is provided in the center of the gear box 61; the toothless gear 64 is movably connected to the left side of the gear cavity 63, and the center of the toothless gear 64 is fixedly connected to the output shaft of the motor three 62; the connecting shaft 66 is movably connected to the right side of the gear box 61, and the driven gear 65 is fixedly connected to the inner side of the connecting shaft 66, and the driven gear 65 is connected to the toothless gear 64, and the outer side of the connecting shaft 66 is fixedly connected to the roller 67, and the roller 67 is wound around the other end of the pull rope 7.

[0030] Among them, the motor three 62 is a reduction motor.

[0031] like Figure 4As shown, the specific structure of the automatic transmission device 13 includes a rack 131, a connecting gear 132, a one-way bearing 133, an outer shell 134, a spline shaft 135, a roller 136, a turntable 137, a transmission shaft 138, a movable block 139, a guide slot hole 1310, a screw 1311, an end cover 1312 and an adjusting head 1313; the rack 131 is vertically fixedly connected to the rear side of the vertical groove set on the left side of the slider 12; the outer shell 134 is fixedly connected to the lower inner side of the fixing seat 8, and a horizontal guide slot hole 1310 is provided on the left side of the outer shell 134; the spline shaft 135 is movably connected to the right center of the guide slot hole 1310, and the outer right side of the spline shaft 135 is fixedly connected to the inner side of the one-way bearing 133, and the outer side of the one-way bearing 133 is fixedly connected to the connecting gear 132, and the connecting gear 132 is connected to the rack 131 The end cover 1312 is fixedly connected to the left opening of the guide slot hole 1310; the screw 1311 is movably connected to the left center of the guide slot hole 1310, and the left end of the screw 1311 is fixedly connected to the adjusting head 1313; the outside of the movable block 139 is movably connected to the inside of the guide slot hole 1310, and the threaded hole set in the left center of the movable block 139 is connected to the screw 1311; the transmission shaft 138 is movably connected to the inside of the lower right side of the outer shell 134, the upper end of the transmission shaft 138 is fixedly connected to the lower center of the turntable 137, and the lower side of the transmission shaft 138 is connected to the upper right side of the synchronous walking mechanism 5; the roller 136 is movably connected to the inside of the lower right side of the movable block 139, the spline hole set in the center of the roller 136 is connected to the left side of the spline shaft 135, and the lower side of the roller 136 is connected to the top surface of the turntable 137.

[0032] Among them, the guide slot hole 1310 is a rectangular hole and matches the outside of the movable block 139; an inner hexagonal hole is opened in the center of the outer side of the adjustment head 1313, so that it is convenient to adjust it with an inner hexagonal wrench; the motor 14 is a servo motor or a stepper motor, so that it is convenient to control it through existing automation; the pull rope 7 is a steel wire rope.

[0033] The usage status of the present invention is as follows: the present invention has a reasonable and simple structure, low production cost and easy installation. When in use, first start the motor 2 510 to drive the transmission shaft 57 to rotate, and the rotation of the transmission shaft 57 drives the walking wheel 51 to rotate through the connecting gear 2 56, the connecting gear 1 55, the active pulley 2 54, the synchronous belt 2 53 and the driven pulley 2 52 in turn, and the rotation of the walking wheel 51 can move the device to the position where it needs to work, and then start the motor 3 62 in the retracting device 6, and the work of the motor 3 62 drives the toothless gear 6 to rotate, and the rotation of the toothless gear 6 drives the driven gear 65 to rotate through the tooth portion, so that the pull rope 7 can be wound through the drum 67, which can make the rammer 11 move up and store energy. When the toothless portion of the toothless gear 6 reaches the position of the driven gear 65, the power will be disconnected, and then the rammer 11 will move down to perform tamping and compacting operations. The automatic transmission device 13 provided here will only be The power transmission walking wheel 51 rotates, thereby enabling the entire device to be displaced, thus meeting the need for tamping and compacting at different positions in sequence. In addition, the rotating adjustment head 1313 can drive the roller 136 to transmit power at different radial positions of the turntable 137, thereby adjusting the step distance of the tamping and compacting of the rammer 11, thereby improving the tamping and compacting effect. In addition, the motor 14 is capable of driving all the rotating seats 2 to rotate synchronously, thereby meeting the need for the device to move in different directions, thereby improving the convenience of the tamping and compacting operation.

[0034] The control method of the present invention is through manual startup or control through existing automation technology. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices. Therefore, the present invention will no longer explain the control method and wiring layout in detail.

[0035] In the description of the invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the invention.

[0036] In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation", and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be internal communication between two elements or an interaction relationship between two elements. Unless otherwise clearly specified, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0037] The above shows and describes the basic principles, main features and advantages of the invention. Those skilled in the art should understand that the invention is not limited to the above embodiments. The above embodiments and descriptions only illustrate the principles of the invention. Without departing from the spirit and scope of the invention, the invention may be subject to various changes and improvements, which shall fall within the scope of the invention to be protected. The scope of protection of the invention shall be defined by the accompanying claims and their equivalents.

Claims

1. A ramming and compacting device for road and bridge subgrade construction, characterized by: It includes a movable seat (1), a rotating seat (2), a driven pulley (3), a synchronous belt (4), a synchronous walking mechanism (5), a retracting device (6), a pull rope (7), a fixed seat (8), a pulley (9), a chute (10), a tamping hammer (11), a slider (12), an automatic transmission device (13), a motor (14) and a driving pulley (15); There are four rotating seats (2), and the outer parts of the upper sides of the four rotating seats (2) are movably connected to the inner parts of the four corners of the lower side of the moving seat (1). The outer parts of the upper sides of the four rotating seats (2) are all fixedly connected to driven pulleys (3), and the driven pulleys (3) are connected by synchronous belts (4); The upper side of the synchronous walking mechanism (5) is arranged inside the upper side of the moving seat (1), and the lower side of the synchronous walking mechanism (5) is respectively arranged inside the corresponding rotating seat (2); The bottom of the retractable device (6) is fixedly connected to the upper left side of the movable seat (1); The bottom of the fixed seat (8) is fixedly connected to the upper right side of the movable seat (1), and a vertical sliding groove (10) is provided on the right side of the fixed seat (8); The pulley (9) is movably connected to the interior of the upper right side of the fixed seat (8); The outside of the slider (12) is vertically movably connected to the inside of the slide groove (10), and a rammer (11) is fixedly connected to the right side of the slider (12); One end of the pull rope (7) is fixedly connected to the upper side of the slider (12), and the other end of the pull rope (7) is connected to the retracting device (6) via a pulley (9); The automatic transmission device (13) is fixedly connected to the interior of the lower side of the fixed seat (8), the transmission shaft on the lower side of the automatic transmission device (13) is connected to the upper right side of the synchronous walking mechanism (5), and the right side of the automatic transmission device (13) is connected to the left side of the slider (12); The motor 1 (14) is fixedly connected to the top surface of the movable seat (1), and a driving pulley (15) is fixedly connected to the output shaft on the lower side of the motor 1 (14), and the driving pulley (15) is connected to the synchronous belt (4); The specific structure of the automatic transmission device (13) includes a rack (131), a connecting gear (132), a one-way bearing (133), an outer shell (134), a spline shaft (135), a roller (136), a turntable (137), a transmission shaft (138), a movable block (139), a guide slot hole (1310), a screw (1311), an end cover (1312) and an adjustment head (1313); The rack (131) is vertically fixedly connected to the rear side of a vertical groove provided on the left side of the slider (12); The outer shell (134) is fixedly connected to the inner portion of the lower side of the fixing seat (8) on the outside, and a transverse guide slot hole (1310) is provided on the inner portion of the left side of the outer shell (134); The spline shaft (135) is movably connected to the center of the right side of the guide slot hole (1310), the right side of the spline shaft (135) is fixedly connected to the inside of the one-way bearing (133), and the outside of the one-way bearing (133) is fixedly connected to a connecting gear (132), and the connecting gear (132) is connected to the rack (131); The end cover (1312) is fixedly connected to the left opening of the guide slot hole (1310); The screw rod (1311) is movably connected to the center of the left side of the guide slot hole (1310), and the left end of the screw rod (1311) is fixedly connected to the adjustment head (1313); The movable block (139) is externally movably connected to the inside of the guide slot hole (1310), and the threaded hole provided in the center of the left side of the movable block (139) is connected to the screw rod (1311); The transmission shaft (138) is movably connected to the interior of the lower right side of the outer shell (134), the upper end of the transmission shaft (138) is fixedly connected to the lower center of the turntable (137), and the lower side of the transmission shaft (138) is connected to the upper right side of the synchronous walking mechanism (5); The roller (136) is movably connected to the inside of the lower right side of the movable block (139), the spline hole provided in the center of the roller (136) is connected to the left side of the spline shaft (135), and the lower side of the roller (136) is connected to the top surface of the turntable (137).

2. A ramming and compacting device for road and bridge subgrade construction according to claim 1, characterized in that: The specific structure of the synchronous walking mechanism (5) includes a walking wheel (51), a driven pulley 2 (52), a synchronous belt 2 (53), a driving pulley 2 (54), a connecting gear 1 (55), a connecting gear 2 (56), a transmission shaft (57), a transmission pulley (58), a synchronous belt 3 (59) and a motor 2 (510); There are four running wheels (51), and the four running wheels (51) are movably connected to the lower inner side of the corresponding rotating seat (2). The central axis of the side of the four running wheels (51) is fixedly connected to the driven pulley 2 (52); There are four transmission shafts (57), and the four transmission shafts (57) are movably connected to the corresponding central holes on the upper side of the rotating seat (2). The lower ends of the four transmission shafts (57) are fixedly connected to the connecting gear 2 (56). The upper outer sides of the four transmission shafts (57) are fixedly connected to the transmission pulleys (58), and the transmission pulleys (58) are connected by the synchronous belt 3 (59). The upper side of the transmission shaft (57) on the right side is connected to the lower side of the automatic transmission device (13); There are four connecting gears (55), and the four connecting gears (55) are movably connected to the central interior of the corresponding rotating seat (2). The four connecting gears (55) are connected to the corresponding connecting gears (56) respectively. The ends of the outer central shafts of the four connecting gears (55) are fixedly connected to the driving pulleys (54), and the driving pulleys (54) are connected to the corresponding driven pulleys (52) through the synchronous belts (53). The second motor (510) is fixedly connected to the upper left front side of the movable seat (1), and the lower output shaft of the second motor (510) is fixedly connected to the upper center of the corresponding transmission shaft (57).

3. A ramming and compacting device for road and bridge subgrade construction according to claim 1, characterized in that: The specific structure of the retracting and unfolding device (6) includes a gear box (61), a third motor (62), a gear chamber (63), a toothless gear (64), a driven gear (65), a connecting shaft (66) and a roller (67); A motor 3 (62) is fixedly connected to the rear exterior of the gear box (61), and a gear cavity (63) is provided in the center interior of the gear box (61); The toothless gear (64) is movably connected to the left side of the gear cavity (63), and the center of the toothless gear (64) is fixedly connected to the output shaft of the motor three (62); The connecting shaft (66) is movably connected to the right side of the gear box (61), the inner side of the connecting shaft (66) is fixedly connected to a driven gear (65), and the driven gear (65) is connected to the toothless gear (64), and the outer side of the connecting shaft (66) is fixedly connected to a roller (67), and the roller (67) is wound and connected to the other end of the pull rope (7).

4. A ramming and compacting device for road and bridge subgrade construction according to claim 3, characterized in that: The motor three (62) is a reduction motor.

5. The ramming and compacting device for road and bridge subgrade construction according to claim 1, characterized in that: The guide slot hole (1310) is a rectangular hole and matches the exterior of the movable block (139).

6. The ramming and compacting device for road and bridge subgrade construction according to claim 1, characterized in that: A hexagonal hole is provided at the center of the outer side of the adjusting head (1313).

7. The ramming and compacting device for road and bridge subgrade construction according to claim 1, characterized in that: The motor 1 (14) is a servo motor or a stepper motor.

8. The ramming and compacting device for road and bridge subgrade construction according to claim 1, characterized in that: The pull rope (7) is a steel wire rope.

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