Foundation pit tamping device for road and bridge construction

Abstract

The foundation pit tamping device for road and bridge construction comprises a workbench, balance weight frames are symmetrically and fixedly installed on the two sides of the top of the workbench, a plurality of insertion plate grooves are formed in the inner sides of the balance weight frames, balance weight insertion plates are movably connected into the insertion plate grooves in an inserted mode, a supporting cylinder is fixedly installed on the top of the workbench, and the supporting cylinder is fixedly connected with the workbench. A gear motor is arranged at the top of the supporting cylinder, and the output end of the gear motor is in transmission connection with a conveying screw rod. According to the utility model, through the arrangement of the balance weight frame and the insertion plate groove, when the compaction weight needs to be increased, the plurality of balance weight insertion plates are inserted into the inner side of the insertion plate groove, so that the gravity action of the balance weight frame on the workbench is increased, the balance weight sandbag placed in the balance weight frame is limited, the preliminary compaction operation on the soft matrix of a small road is facilitated, and the compaction efficiency is improved. And the compaction device is convenient to operate and can be operated by one person, so that the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road and bridge construction engineering technical field, concretely is a kind of foundation pit rammer for road and bridge construction. BACKGROUND

[0002] Road and bridge, generally by subgrade, pavement, bridge, tunnel engineering and traffic engineering facilities etc. several parts are composed of. Subgrade engineering: subgrade is the linear structure of earth or stone material construction. It bears the rock-soil self-weight and pavement gravity, and the traffic load transmitted by pavement, is the important component of entire highway structure. Highway subgrade mainly includes subgrade body, side slope, side ditch and other accessory facilities etc. several parts. Pavement engineering: pavement is the layer structure of various road-building materials or mixture material layered pavement on highway subgrade for automobile travel. Bridge and tunnel engineering: bridge and tunnel engineering is the important component in high-grade highway, it includes bridge, culvert, passageway and tunnel etc. Expressway: highway tunnel engineering is the wise choice of mountainous expressway. After continuous improvement of tunnel construction facility, the construction progress of tunnel engineering is fast, and the ability to overcome adverse geological phenomena is strong, tunnel engineering is conducive to landscape development, and environmental pollution is less, absolute engineering quantity is less, and construction progress is less disturbed by natural climate.

[0003] In the process of road and bridge construction, it is necessary to ramify the soft soil generated in construction process in subgrade foundation pit etc. position, the traditional rammer mechanical body is larger and heavier, and the ramming effect of some small pavement and part foundation pit is more inconvenient, and traditional frog type rammer is inconvenient to operate, and the operating personnel is prone to injury, and manual ramming operation efficiency is lower, based on this, a kind of foundation pit rammer for road and bridge construction is proposed. UTILITY MODEL CONTENT

[0004] The utility model is to provide a kind of foundation pit rammer for road and bridge construction to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: A foundation pit ramming device for road and bridge construction, including the work table, both sides of the top of work table are fixedly installed with counterweight frame, the inside of counterweight frame is equipped with a plurality of plug -in board slot, the inside of plug -in board slot is movably inserted with counterweight plug -in board, the top of work table is fixedly installed with support cylinder, the top of support cylinder is provided with speed reducer motor, the output end of speed reducer motor is connected with transmission screw rod, the outside of transmission screw rod movably has inner transmission cylinder, the outside of the top of inner transmission cylinder is fixedly installed with a plurality of cylindrical support bar, the bottom of support cylinder inner chamber is fixedly installed with flow cone, the inside of transmission screw rod and inner transmission cylinder is placed with a plurality of counterweight ball one, the bottom of work table is fixedly installed with two bottom disc supports, the inside of both ends of two bottom disc supports is equipped with sliding slot, the inside of sliding slot is slidably installed with sliding part, the opposite side of sliding part is fixedly installed with bearing support, the inside of bearing support movably has support shaft, the outside of both ends of support shaft movably has support bearing, the outside of support bearing is fixedly sleeved with sleeve ring, the outside of sleeve ring is fixedly installed with a plurality of springs, the end away from sleeve ring of spring is fixedly installed with support ring, the outside of support ring is fixedly installed with road roller cylinder, the inside of the middle part of road roller cylinder is fixedly sleeved with elastic rubber layer, the inside of road roller cylinder is fixedly installed with a plurality of groups of arc limit ring, the inside of arc limit ring is placed with a plurality of counterweight ball two, the opposite side of the middle part of two bottom disc supports is fixedly installed with mobile wheel hub motor, the outside of mobile wheel hub motor is fixedly installed with a plurality of elastic support rod parts through fixed torus, the outside of elastic support rod part is fixedly installed with driving roller sleeve.

[0006] Preferably, the counterweight frame is evenly distributed on the top of the workbench with the support cylinder as the symmetry axis, and the plug-in board slots are linearly and evenly distributed inside the counterweight frame.

[0007] Preferably, the cylindrical support bars are circumferentially and linearly evenly distributed on the opposite sides of the inner transmission cylinder and the support cylinder, one end of the cylindrical support bar away from the inner transmission cylinder is fixedly installed on the inner wall of the support cylinder, the speed reducer motor is fixedly installed on the top of the support cylinder through a support, the top end of the transmission screw rod is movably penetrated through the support cylinder and extends into the inside of the support cylinder through a bearing, the bottom end of the transmission screw rod is movably limited in the bottom of the inner cavity of the support cylinder through an embedded shaft seat, and the specifications of the flow cone are matched with the specifications of the inner transmission cylinder.

[0008] Preferably, the springs are circumferentially and evenly distributed on the opposite sides of the support bearing and the sleeve ring, and the elastic rubber layer is movably sleeved on the outside of the support shaft.

[0009] Preferably, the elastic support rod is circumferentially and linearly uniformly distributed on the opposite side of the mobile wheel hub motor and the driving roller sleeve, the two ends of the mobile wheel hub motor are fixedly installed on the opposite sides of the chassis support, and the end of the elastic support rod away from the mobile wheel hub motor is fixedly installed on the inner side of the driving roller sleeve.

[0010] Preferably, the position of the driving roller sleeve corresponds to the position of the supporting cylinder, and the driving roller sleeve and the supporting cylinder are located at the central axis of the workbench.

[0011] Compared with the prior art, the device has the beneficial effects that: when the device is used, the user first hoists and transports the equipment to the position where ramming is needed, and then pushes the workbench after the external power supply is connected, the mobile wheel hub motor is first started to rotate and drives the driving roller sleeve to rotate through the elastic support rod, the driving roller sleeve contacts the ground, thereby assisting the pushing, then the reduction motor is started to drive the conveying screw rod to rotate, the conveying screw rod slowly transmits the counterweight ball one in the inner side of the supporting cylinder and the flow guide cone upward through the spiral conveying effect, and moves to the top of the inner cavity of the supporting cylinder through the limiting of the inner conveying cylinder, then is discharged through the top end of the inner conveying cylinder under the conveying effect, and falls on the inner side of the supporting cylinder and the top of the flow guide cone, thereby generating a certain falling impact effect, and is transmitted through the workbench and the chassis support corresponding to the vertical driving roller sleeve and the mobile wheel hub motor, and moves with the mobile supporting shaft and the road roller cylinder, the road roller cylinder rotates to drive the arc limiting ring in the interior to rotate, thereby driving the counterweight ball two to move, the counterweight ball two gradually slides along the arc surface of the arc limiting ring with the movement, thereby generating a certain vibration impact force, thereby preliminarily ramming the soft soil, and the counterweight frame and the counterweight insert plate are combined to preliminarily compact the soft soil, and the device is convenient to move, thereby facilitating the working personnel to preliminarily ram and compact the soft soil, and reducing the labor burden of the working personnel.

[0012] The device is convenient to operate, and one person can operate, thereby improving the working efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front perspective view of the appearance structure of the device.

[0014] Figure 2 It is a front perspective view of the appearance structure of the device.

[0015] Figure 3The right view is a schematic view of a sectional structure.

[0016] Figure 4 The utility model discloses Figure 1 The enlarged structure schematic view of A in the middle.

[0017] Figure 5 The utility model discloses Figure 3 The enlarged structure schematic view of B in the middle.

[0018] In the figure: 1, workbench;2, counterweight frame;3, plugboard slot;4, counterweight plugboard;5, support cylinder;6, speed reducer motor;7, chassis support;8, sliding slot;9, sliding part;10, road roller cylinder;11, cylindrical support pole;12, inner conveying cylinder;13, conveying spiral rod;14, flow guide cone;15, counterweight ball one;16, elastic rubber layer;17, arc limit ring;18, counterweight ball two;19, driving roller cover;20, support shaft pole;21, spring;22, bearing support;23, collar;24, support ring;25, moving wheel hub motor;26, elastic support pole part;27, support bearing. DETAILED DESCRIPTION

[0019] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work fall within the scope of the utility model.

[0020] Please refer to Figures 1-5The utility model provides a technical scheme: a foundation pit ramming device for road and bridge construction, including workbench 1, the both sides symmetry fixed mounting of workbench 1 top have counterweight frame 2, the inside of counterweight frame 2 is opened with several plugboard slot 3, the inside movable plug connection of plugboard slot 3 has counterweight plugboard 4, the top fixed mounting of workbench 1 has support cylinder 5, the top of support cylinder 5 is provided with speed reducer 6, the output end transmission of speed reducer 6 is connected with conveying screw rod 13, the outside movable sleeve joint of conveying screw rod 13 has inner conveying cylinder 12, the outside fixed mounting of inner conveying cylinder 12 top end has several cylindrical support rod 11, the bottom fixed mounting of support cylinder 5 inner chamber has flow cone 14, the inside of conveying screw rod 13 and inner conveying cylinder 12 places several counterweight ball one 15, the bottom fixed mounting of workbench 1 has two bottom disc support 7, the inside of two bottom disc support 7 both ends is opened with sliding slot 8, the inside sliding installation of sliding slot 8 has sliding part 9, the opposite side fixed mounting of sliding part 9 has bearing support 22, the inside movable sleeve joint of bearing support 22 has support shaft 20, the outside movable sleeve joint of support shaft 20 both ends has support bearing 27, the outside fixed sleeve joint of support bearing 27 has sleeve ring 23, the outside fixed mounting of sleeve ring 23 has several springs 21, the fixed mounting of spring 21 far from sleeve ring 23 one end has support ring 24, the outside fixed mounting of support ring 24 has road roller cylinder 10, the inside fixed sleeve joint of road roller cylinder 10 middle part has elastic rubber layer 16, the inside fixed mounting of road roller cylinder 10 has several groups arc limit ring 17, the inside rolling of arc limit ring 17 has several counterweight ball two 18, the opposite side fixed mounting of two bottom disc support 7 middle part has mobile wheel hub motor 25, the outside fixed mounting of mobile wheel hub motor 25 through fixed torus has several elastic support rod piece 26, the outside fixed mounting of elastic support rod piece 26 has driving roller sleeve 19.

[0021] The working principle of the above technical scheme is as follows: in use, the user first hoists and transports the device to the position where ramming is required, and then pushes the workbench 1 to move after the operator connects the power supply, first moves the wheel hub motor 25 to start rotating and drives the driving roller sleeve 19 to rotate through the elastic support rod 26, the driving roller sleeve 19 is in contact with the ground, thereby providing power assistance for pushing, then the reduction motor 6 is started to drive the transmission screw rod 13 to rotate, the transmission screw rod 13 slowly transmits the counterweight ball one 15 inside the guide cone 14 upward through the screw transmission effect, and moves to the top of the inner cavity of the supporting cylinder 5 through the limiting of the inner transmission cylinder 12, then is discharged through the top end of the inner transmission cylinder 12 under the action of transmission, and falls on the top of the supporting cylinder 5 and the guide cone 14, thereby generating a certain falling impact effect, and being transmitted through the workbench 1 and the chassis support 7 corresponding to the vertical driving roller sleeve 19 and the moving wheel hub motor 25, and moving the supporting shaft 20 and the road roller cylinder 10, the road roller cylinder 10 rotates to drive the internal arc limiting ring 17 to rotate, thereby driving the counterweight ball two 18 to move, the counterweight ball two 18 gradually slides along the arc surface of the arc limiting ring 17 as it moves, thereby generating a certain vibration impact force, thereby preliminarily ramming the soft soil, and cooperating with the counterweight effect of the counterweight frame 2 and the counterweight insert plate 4, the soft soil is preliminarily compacted, and the device is easy to move, thereby facilitating the operator to preliminarily ram and compact the soft soil, and reducing the labor burden of the operator.

[0022] In another embodiment, as shown in Figures 1-3 The counterweight frame 2 is uniformly distributed on the top of the workbench 1 with the supporting cylinder 5 as the axis of symmetry, and the insert plate slot 3 is linearly and uniformly distributed inside the counterweight frame 2.

[0023] By setting the counterweight frame 2 and the insert plate slot 3, when it is necessary to increase the compaction weight, the plurality of counterweight insert plates 4 are inserted into the inside of the insert plate slot 3, the gravity of the counterweight frame 2 on the workbench 1 is increased, and the counterweight sand bag inside the counterweight frame 2 is also provided with limiting, thereby facilitating the preliminary compaction of the soft soil in the small road and facilitating the compaction in the small site, which is convenient to operate and can be operated by one person, thereby improving the work efficiency.

[0024] In another embodiment, as shown in Figures 1-3 The cylindrical support rod 11 is circumferentially and linearly uniformly distributed on the opposite side of the inner transmission cylinder 12 and the supporting cylinder 5, one end of the cylindrical support rod 11 away from the inner transmission cylinder 12 is fixedly installed on the inner wall of the supporting cylinder 5, the reduction motor 6 is fixedly installed on the top of the supporting cylinder 5 through the support, the top end of the transmission screw rod 13 is movably penetrated through the supporting cylinder 5 and extends to the inside of the supporting cylinder 5 through the bearing, the bottom end of the transmission screw rod 13 is movably limited in the bottom of the inner cavity of the supporting cylinder 5 through the embedded shaft seat, and the specification size of the guide cone 14 is matched with the specification size of the inner transmission cylinder 12.

[0025] The cylindrical support rod 11 provides support force for the inner conveying cylinder 12, fixes the position of the inner conveying cylinder 12, avoids limiting and blocking the counterweight ball 15, and rotates the conveying screw rod 13 after the deceleration motor 6 is fixed. The conveying screw rod 13 is kept in a relatively stable rotating position through the bearing and shaft seat, which is convenient for stable transmission structure.

[0026] In another embodiment, as shown in Figures 1-5 The springs 21 are uniformly distributed on the opposite side of the support bearing 27 and the collar 23, and the elastic rubber layer 16 is movably sleeved on the outside of the support shaft 20.

[0027] The uniform distribution of the springs 21 and the flexible sleeving of the elastic rubber layer 16 increase the elastic displacement space, facilitate the transmission impact force generated by the arc limiting ring 17 during movement, and promote the road roller cylinder 10 to be in close contact with the ground through the flexible action, so as to uniformly transmit and stabilize the working effect.

[0028] In another embodiment, as shown in Figures 1-4 The elastic support rod 26 is linearly and uniformly distributed on the opposite side of the mobile wheel hub motor 25 and the driven roller sleeve 19, the two ends of the mobile wheel hub motor 25 are fixedly installed on the opposite sides of the chassis support 7, the end of the elastic support rod 26 away from the mobile wheel hub motor 25 is fixedly installed on the inner side of the driven roller sleeve 19, and a gap is left between the driven roller sleeve 19 and the mobile wheel hub motor 25.

[0029] The elastic support rod 26 provides support between the mobile wheel hub motor 25 and the driven roller sleeve 19, and the elastic support rod 26 provides a rigid transmission effect, which is different from the elastic deformation of the spring 21, so as to stabilize the position. The gap between the driven roller sleeve 19 and the mobile wheel hub motor 25 is used for extending space, installing the arc limiting ring 17 and the counterweight ball 18, and thus increasing the compaction effect of the middle part.

[0030] In another embodiment, as shown in Figures 1-3 The position of the driven roller sleeve 19 corresponds to the position of the support cylinder 5, and the driven roller sleeve 19 and the support cylinder 5 are located at the central axis of the workbench 1.

[0031] The support cylinder 5 and the driven roller sleeve 19 provide support and movement fulcrum for the central position, facilitate the transmission of the vertical impact force of the support cylinder 5 to the driven roller sleeve 19, facilitate the transmission of the torque, and facilitate the operator to operate the head and tail through the fixed support point, increase the relative stability of the structure, and increase the compaction effect. The adjustment effect of the moving and fixing of the sliding groove 8 and the sliding member 9 through the bolt and the bolt hole can be matched to adjust the torque of the head and tail.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A foundation tamping device for road and bridge construction, comprising a work platform (1), characterized in that: The both sides of the top of the workbench (1) are symmetrically and fixedly installed with counterweight frames (2), the inner sides of the counterweight frames (2) are provided with a plurality of plugboard grooves (3), the inside of the plugboard grooves (3) is movably and plugged with counterweight plugboards (4), the top of the workbench (1) is fixedly installed with a supporting cylinder (5), the top of the supporting cylinder (5) is provided with a speed reducer motor (6), the output end of the speed reducer motor (6) is drivingly connected with a conveying spiral rod (13), the outer side of the conveying spiral rod (13) is movably sleeved with an inner conveying cylinder (12), the outer side of the top end of the inner conveying cylinder (12) is fixedly installed with a plurality of cylindrical supporting rods (11), the bottom of the inner cavity of the supporting cylinder (5) is fixedly installed with a flow guide cone (14), a plurality of counterweight balls (15) are placed in the inner sides of the conveying spiral rod (13) and the inner conveying cylinder (12), the bottom of the workbench (1) is fixedly installed with two bottom disc supports (7), the inner sides of the both ends of the two bottom disc supports (7) are provided with sliding grooves (8), the inner sides of the sliding grooves (8) are slidingly installed with sliding pieces (9), the opposite sides of the sliding pieces (9) are fixedly installed with bearing supports (22), the inner sides of the bearing supports (22) are movably sleeved with supporting shaft rods (20), the outer sides of the both ends of the supporting shaft rods (20) are movably sleeved with supporting bearings (27), the outer sides of the supporting bearings (27) are fixedly sleeved with sleeve rings (23), the outer sides of the sleeve rings (23) are fixedly installed with a plurality of springs (21), the one end of the springs (21) away from the sleeve rings (23) is fixedly installed with supporting rings (24), the outer sides of the supporting rings (24) are fixedly installed with road roller cylinders (10), the inner sides of the middle parts of the road roller cylinders (10) are fixedly sleeved with elastic rubber layers (16), a plurality of groups of arc-shaped limiting rings (17) are fixedly installed in the inner sides of the road roller cylinders (10), a plurality of counterweight balls (18) are rollingly placed in the inner sides of the arc-shaped limiting rings (17), the opposite sides of the middle parts of the two bottom disc supports (7) are fixedly installed with mobile wheel hub motors (25), the outer sides of the mobile wheel hub motors (25) are fixedly installed with a plurality of elastic supporting rod pieces (26) through fixed circular rings, the outer sides of the elastic supporting rod pieces (26) are fixedly installed with driving roller sleeves (19).

2. A foundation ramming device for road and bridge construction according to claim 1, characterized in that: The counterweight frames (2) are evenly distributed on the top of the workbench (1) with the supporting cylinder (5) as the symmetric axis, the plugboard grooves (3) are linearly and evenly distributed in the inner sides of the counterweight frames (2).

3. A foundation ramming device for road and bridge construction as claimed in claim 1, wherein: The cylindrical supporting rods (11) are circumferentially and linearly evenly distributed on the opposite sides of the inner conveying cylinder (12) and the supporting cylinder (5), the one end of the cylindrical supporting rods (11) away from the inner conveying cylinder (12) is fixedly installed on the inner wall of the supporting cylinder (5), the supporting cylinder (5) is fixedly installed on the top of the supporting cylinder (5) through the support, the top end of the conveying spiral rod (13) is movably and penetrates through the supporting cylinder (5) and extends to the inside of the supporting cylinder (5) through the bearing, the bottom end of the conveying spiral rod (13) is movably and limited in the bottom of the inner cavity of the supporting cylinder (5) through the embedded shaft seat, the specification size of the flow guide cone (14) is matched with the specification size of the inner conveying cylinder (12).

4. A foundation ramming device for road and bridge construction according to claim 1, characterized in that: The spring (21) is circumferentially and evenly distributed on the opposite side of the support bearing (27) and the collar (23), and the elastic rubber layer (16) is movably sleeved on the outer side of the support shaft (20).

5. A foundation ramming device for road and bridge construction as claimed in claim 1, wherein: The elastic support rod (26) is circumferentially and linearly evenly distributed on the opposite side of the moving wheel hub motor (25) and the driving roller sleeve (19), the two ends of the moving wheel hub motor (25) are fixedly installed on the opposite sides of the chassis support (7), one end of the elastic support rod (26) away from the moving wheel hub motor (25) is fixedly installed on the inner side of the driving roller sleeve (19), and a gap is left between the driving roller sleeve (19) and the moving wheel hub motor (25).

6. A foundation ramming device for road and bridge construction as claimed in claim 1, wherein: The position of the driving roller sleeve (19) corresponds to the position of the support cylinder (5), and the driving roller sleeve (19) and the support cylinder (5) are located at the central axis of the workbench (1).

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