CN110130190B

CN110130190B - Earth ramming device for road construction

Info

Publication number: CN110130190B
Application number: CN201910467359.2A
Authority: CN
Inventors: 李宝宁; 皇甫江红; 朱振; 谢卫权; 安清; 高久众; 周小飞; 吴长春
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2021-01-05
Anticipated expiration: 2039-05-31
Also published as: CN110130190A

Abstract

The invention provides a soil tamping device for road construction, which effectively solves the technical problem that the tamping effect of a tamping hammer cannot be conveniently changed according to needs in the conventional tamping device. The tamping force of the rammer can be adjusted according to the requirement, the tamping force is adjusted by adjusting the rising height of the rammer firstly, and the rising height is limited by the height of the equipment, so that when the rising height reaches the top, the tamping force of the rammer can be adjusted by adjusting the weight of the rammer, and the whole equipment adjusting process can be realized by only adjusting one rocking handle by an operator, and is simple, convenient and fast.

Description

Earth ramming device for road construction

Technical Field

The invention relates to the technical field of road construction, in particular to a soil tamping device for road construction.

Background

At present at the small-size road construction or carry out the during operation on the softer road surface of soil texture ratio, in order to improve the crushing resistance on road surface, generally can use the tamping device, traditional tamping is walking machinery and loads the tamping device or uses the rammer machine of walking from tamping to ground, but traditional tamping device is at the in-process of tamping, the height of its ram is certain, dynamics and the speed that can't tamp as required change the tamping effect of ram, also be the weight of the promotion height of the change ram that also can't be convenient and ram, it is inconvenient to have caused for tamping work.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the soil tamping device for road construction, and the technical problem that the tamping effect of the tamping hammer cannot be conveniently changed according to needs by the conventional tamping device is effectively solved.

The technical scheme includes that the earth tamping device for road construction comprises a base and a tamping hammer, wherein vertical supporting plates are respectively fixed on the front side and the rear side of the upper side of the base, transverse sliding rods are respectively and vertically slidably mounted on the opposite sides of the two supporting plates, one end of each sliding rod is fixed on the tamping hammer, the earth tamping device further comprises a chain support arranged at the front end and the rear end of the base on the right side of the supporting plates, the upper end and the lower end of the chain support are respectively rotatably connected with a chain wheel, a lifting chain is connected between the upper chain wheel and the lower chain wheel, the two chain wheels arranged at the lower part are connected through a transmission rod, the transmission rod is driven by a driving motor, the two lifting chains are respectively and fixedly provided with a transverse elastic telescopic rod, a lifting rod arranged at the lower side of the sliding rod is connected between the free ends of the two elastic telescopic rods, the, the right side surface of the height fixing block is an inclined surface which inclines upwards towards the right side and is matched with the thrust wheel, a lead screw which is rotatably connected to the supporting plate is arranged in the height fixing block in a penetrating and matching way through the threads, and the upper ends of the two lead screws are in transmission connection through a belt wheel structure;

the rammer further comprises a shell arranged between the two supporting plates, a transverse first conveying cavity is arranged at the lower part in the shell, a vertical second conveying cavity arranged in the shell is communicated with the right side of the first conveying cavity, a third conveying cavity inclining downwards towards the left side is communicated with the left side of the top end of the second conveying cavity, a fourth conveying cavity arranged in the shell is communicated between the first conveying cavity and the third conveying cavity, a first spiral conveying roller conveying towards the second conveying cavity is arranged in the first conveying cavity, a second spiral conveying roller conveying towards the upper part is arranged in the second conveying cavity, the first spiral conveying roller and the second spiral conveying roller are driven to rotate by a conveying motor, a storage cavity is formed in the upper part in the rammer, a vertical guide groove communicated outwards is formed in the left side of the fourth conveying cavity, a feeding pipe inclining upwards towards the right end is communicated with the upper end of the storage cavity, the feeding pipe is vertically and slidably connected in the guide groove, and the end part of the feeding pipe extends into the fourth conveying cavity and is in sliding fit with the right side wall of, the upper end that the fourth carried the chamber is arranged in to the material loading pipe is opened there is the material receiving mouth, and the lower extreme right side intercommunication in storage chamber has the unloading pipe towards the right-hand member downward sloping, the vertical sliding fit of unloading pipe is in the guide slot and the tip stretches into the fourth carries the intracavity, unloading pipe and storage chamber intercommunication department are equipped with the electric switch door, be connected with the folded sheet respectively between the upper end of material loading pipe and the guide slot upper end and between the lower extreme of unloading pipe and guide slot, the front and back end sliding fit respectively of folded sheet is on the side around the guide slot, a plurality of gravity balls have been placed in the first transport intracavity.

Preferably, the lifting mechanism further comprises a dial fixed on one of the supporting plates, a driving shaft is connected in the dial in a rotating mode, the front end of the driving shaft extends out of the dial and is connected with a rocking handle, a pointer matched with scales on the dial is fixed on the driving shaft between the rocking handle and the dial, a conveying motor sector gear and a screw rod sector gear are fixed on the driving shaft at the rear side of the dial in an axial spacing sleeve mode, the conveying motor sector gear is matched with a first gear, the screw rod sector gear is matched with a second gear, the first gear is coaxially connected with a knob of a conveying motor controller fixed on the supporting plate, the conveying motor controller is connected with a conveying motor, the second gear drives one of screw rods to rotate through a transmission mechanism, when the lifting height and the weight of the rocking handle rammer are used for adjustment, the rocking handle is rotated, and the screw rod sector gear is firstly, at the moment, the sector gear of the conveying motor is not meshed with the first gear, and when the sector gear of the lead screw is separated from the second gear, the sector gear of the conveying motor is meshed with the first gear.

Preferably, the elastic telescopic rod comprises a sleeve, a movable rod penetrates through the sleeve in a sliding mode, sliding grooves with two closed ends are formed in the sleeve along the length direction of the sleeve, a sliding block in sliding fit in the sliding grooves is fixed on the movable rod, and the movable rod is arranged between the end portion of the sleeve and is connected with a spring.

Preferably, the elastic telescopic rod is connected to the lifting chain through a U-shaped clamping block, through holes corresponding to pin shafts on chain plates of the lifting chain are formed in two U-shaped arms on the U-shaped clamping block respectively, the U-shaped clamping block is clamped and fixed on the two longitudinally opposite chain plates, and the pin shafts on the chain plates are arranged in the through holes in a penetrating mode.

Preferably, the thrust wheel is rotatably connected to the lifting rod.

Preferably, the transmission mechanism comprises a third gear coaxially connected to the second gear, a fourth gear meshed with the third gear and smaller than the third gear, a fifth gear coaxially connected to the fourth gear, a sixth gear meshed with the fifth gear and smaller than the fifth gear, a first bevel gear coaxially connected with the sixth gear, and a second bevel gear meshed with the first bevel gear and fixedly sleeved on the screw rod.

Preferably, the belt pulley structure comprises a belt pulley fixedly sleeved at the top end of the lead screw and a belt connected between the two belt pulleys.

Preferably, the upper end and the lower end of a rod shaft of the second spiral conveying roller are respectively rotatably connected to the shell, the lower end of a roller shaft of the second spiral conveying roller extends out of the shell and is sleeved with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear, a transmission shaft which is rotatably connected to the base is sleeved in the fourth bevel gear, the left end and the middle part of the roller shaft of the first spiral conveying roller are respectively rotatably connected to the shell, the left end of the roller shaft of the first spiral conveying roller extends out of the shell and is sleeved with a seventh gear, the seventh gear is meshed with an eighth gear which is rotatably connected to the shell, the eighth gear is rotatably connected to a ninth gear which is sleeved on the transmission shaft, and an output shaft of the conveying motor is coaxially connected to the transmission shaft.

Preferably, a gravity sensor is arranged between the lower end of the shell and the elastic telescopic rod or on the bottom surface of the storage cavity, and the gravity sensor and the electric switch door are connected to the conveying motor controller. When the gravity sensor is arranged on the bottom surface of the storage cavity, the concrete structure is that the gravity sensor is fixed on the bottom surface of the storage cavity, the bearing plate is placed at the upper end of the gravity sensor, the bearing plate is vertically arranged in the storage cavity in a sliding manner, the side wall of the storage cavity is fixed with a limiting block for limiting the bearing plate on the gravity sensor, and the upper side surface of the bearing plate is an inclined surface which inclines downwards towards the direction of the discharging pipe.

Preferably, the folded sheet includes the first board that a plurality of vertical intervals set up, and it has vertical flexible chamber to open on the opposite face of double-phase adjacent first board, it has vertical both ends confined motion groove to open in the flexible intracavity, is provided with the second board between two adjacent first boards, the lower extreme stretches into respectively rather than the flexible intracavity that corresponds about the second board, be fixed with respectively on the lower extreme lateral wall on the second board and stretch out the piece, stretch out the vertical sliding fit of piece and in rather than the motion inslot that corresponds.

The tamping force of the rammer can be adjusted according to the requirement, the tamping force is adjusted by adjusting the rising height of the rammer firstly, and the rising height is limited by the height of the equipment, so that when the rising height reaches the top, the tamping force of the rammer can be adjusted by adjusting the weight of the rammer, and the whole equipment adjusting process can be realized by only adjusting one rocking handle by an operator, and is simple, convenient and fast.

Drawings

FIG. 1 is a front view block diagram of the base, housing and ram portions of the present invention.

Fig. 2 is a front view of the invention (base showing the upper half).

Fig. 3 is a perspective view of the structure shown in fig. 2.

Fig. 4 is a perspective two-dimensional view of the structure shown in fig. 2.

Figure 5 is a view of the connection of the lifting chain to the thrust wheel portion of the present invention.

FIG. 6 is a perspective view of the lead screw to the dial portion of the present invention.

FIG. 7 is a perspective view of the lead screw to the dial portion of the present invention.

Fig. 8 is a structural view of one embodiment of a folding plate in the present invention.

Fig. 9 is a structural view of another embodiment of the folding plate of the present invention.

Fig. 10 is a perspective view of the elastic telescopic rod and the lifting rod portion of the present invention.

Fig. 11 is a structural view of the elastic telescopic rod of the present invention.

FIG. 12 is a block diagram of the interior of the ram with the addition of a gravity sensor.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 12.

Embodiment 1, the technical scheme that it solves is, a road construction is with earth ramming device, including base 1 and ram 2, the side is fixed with vertical backup pad 3 respectively around on base 1, vertical slidable mounting has horizontal slide bar 4 respectively on the relative side of two backup pads 3 (horizontal interval is provided with two vertical slide rails 5 on the backup pad 3 side, it has slide way 6 with slide rail 5 complex to open on slide bar 4, slide bar 4 is through slide way 6 sliding fit on slide rail 5), one end of slide bar 4 is fixed on ram 2, still include the chain support 7 that sets up in the front and back end of base 1 on backup pad 3 right side, the upper and lower end of chain support 7 rotates respectively and is connected with sprocket 8, is connected with between upper and lower sprocket 8 and promotes chain 9, two sprocket 8 of arranging the lower part are connected through transmission pole 10, the transmission rod 10 is driven by a driving motor 11 (one end of the transmission rod 10 extends out of a chain wheel 8, the end of the transmission rod 10 extending out of the chain wheel 8 is connected to an output shaft of the driving motor 11, the driving motor 11 is fixed on the base 1), two lifting chains 9 are respectively fixed with two groups of transverse elastic telescopic rods 12 (the parts of the elastic telescopic rods 12 can also be arranged into two groups, the two groups are respectively arranged on the chains at the left side and the right side and are symmetrically arranged, so that the lifting time can be shortened by one time), a lifting rod 13 arranged at the lower side of the sliding rod 4 is connected between the free ends of the two elastic telescopic rods 12, the front end and the rear end of the lifting rod 13 are respectively sleeved with a thrust wheel 14, the opposite sides of the two supporting plates 3 are respectively and vertically and slidably connected with a height fixing block 15 (a vertical groove 16 is arranged on the supporting plate 3, a convex block 17 which is fixedly matched in the groove 16 in a sliding way, the internal thread of the fixed high block 15 is matched with and penetrated by a screw rod 18 which is rotatably connected on the supporting plate 3, and the upper ends of the two screw rods 18 are in transmission connection through a belt wheel structure;

the rammer further comprises a shell 19 arranged between the two supporting plates 3, a transverse first conveying cavity 20 is arranged at the lower part in the shell 19, a vertical second conveying cavity 21 arranged in the shell 19 is communicated with the right side of the first conveying cavity 20, a third conveying cavity 22 inclining downwards towards the left side is communicated with the left side of the top end of the second conveying cavity 21, a fourth conveying cavity 23 arranged in the shell 19 is communicated between the first conveying cavity 20 and the third conveying cavity 22, a first spiral conveying roller 24 conveying towards the second conveying cavity 21 is arranged in the first conveying cavity 20, a second spiral conveying roller 25 conveying towards the upper part is arranged in the second conveying cavity 21, the first and second spiral conveying rollers 25 are driven to rotate by a conveying motor 26, a storage cavity 27 is formed in the upper part in the rammer 2, a vertical guide groove 28 communicating outwards is formed in the left side of the fourth conveying cavity 23, an upper end of the storage cavity 27 is communicated with an upper material feeding pipe 29 inclining upwards towards the right end, the feeding pipe 29 is vertically and slidably connected in the guide groove 28, the end of the feeding pipe 29 extends into the fourth conveying cavity 23 and is in sliding fit with the right side wall of the fourth conveying cavity 23, the feeding pipe 29 is arranged at the upper end of the fourth conveying cavity 23 and is provided with a material receiving opening 30, the right side of the lower end of the storage cavity 27 is communicated with a discharging pipe 31 which inclines downwards towards the right end, the discharging pipe 31 is vertically and slidably matched in the guide groove 28 and the end of the discharging pipe extends into the fourth conveying cavity 23, an electric switch door 32 is arranged at the position where the discharging pipe 31 is communicated with the storage cavity 27, folding plates 33 are respectively connected between the upper end of the feeding pipe 29 and the upper end of the guide groove 28 and between the lower end of the discharging pipe 31 and the lower end of the guide groove 28, the front end and the rear end of the folding plates 33 are respectively in sliding fit on the front side and the rear side of the.

When the embodiment is used, the driving motor 11 is turned on, the driving motor 11 drives the lifting rod 13 to run through the elastic telescopic rod 12, the sliding rod 4 is supported by the lifting rod 13, the sliding rod 4 drives the rammer 2 to move upwards, when the thrust wheel 14 at the front end and the rear end of the lifting rod 13 runs below the fixed-height block 15, at the moment, the lower side surface of the fixed-height block 15 facing the thrust wheel 14 is an inclined surface, so that the fixed-height block provides transverse thrust for the thrust wheel 14, the elastic telescopic rod 12 retracts, the elastic telescopic rod 12 drives the lifting rod 13 to retract in the retracting process, the lifting rod 13 is separated from the state of supporting the sliding rod 4, at the moment, the rammer 2 downwards does a free falling body under the self-weight effect, and the land at the lower part is tamp. The base 1 of the invention can be fixed on a mobile machine, or a wheel system, namely the wheels 35 and the walking motor, can be installed on the lower part of the base 1, for example, a first wheel shaft can be fixedly installed on the left side of the lower part of the base 1, universal wheels are installed on the front and rear ends of the first wheel shaft, a second wheel shaft is rotatably installed on the right end of the lower part of the base 1, wheels are fixedly sleeved on the front and rear ends of the second wheel shaft, and the second wheel shaft is driven by the walking motor, of course, a pushing handle can be installed on the right end of the base 1, so that people can conveniently hold the direction of. Or the universal wheel part is arranged at the right part, and the wheels and the walking motor part are arranged at the left part, so that the direction control is more facilitated when the pushing hand arranged at the right end of the base 1 is held. During the up-and-down movement of the rammer 2, the feeding pipe 29 and the discharging pipe 31 connected to the rammer 2 slide vertically in the guide groove 28, and the folding plate 33 folds and stretches up and down along with the feeding pipe 29 and the discharging pipe 31.

When the tamping force needs to be increased, the screw rod 18 is rotated, so that the front screw rod 18 and the rear screw rod 18 both drive the fixed height block 15 to move upwards, when the fixed height block moves to a proper position, the screw rod 18 stops rotating, and at the moment, the height of the fixed height block 15 is the highest point of the tamping hammer 2. When the fixed height block 15 reaches a certain height and cannot rise, and the tamping force still needs to be increased at the moment, the conveying motor 26 is turned on at the moment, the conveying motor 26 drives the first spiral conveying roller 24 and the second spiral conveying roller 25 to move, the first spiral conveying roller 24 conveys the steel balls into the second conveying cavity 21, the second spiral conveying roller 25 conveys the steel balls into the third conveying cavity 22, the third conveying cavity 22 is inclined, so the steel balls roll down in the fourth conveying cavity 23 along the third conveying cavity 22, the material receiving opening 30 of the feeding pipe 29 is placed upwards, the steel balls fall into the material receiving opening 30 and fall into the storage cavity 27 through the material feeding pipe 29, the weight of the tamping hammer 2 is further increased, and when the weight of the tamping hammer 2 is increased to a required value, the conveying motor 26 is turned off at the moment, and the steel balls are not conveyed into the storage cavity 27. When the weight of the ram 2 needs to be reduced later, the electric switch door 32 is opened (the bottom of the storage chamber 27 may be inclined downward toward the discharging pipe 31 in order to facilitate the outflow of the steel ball from the discharging pipe 31), and after the electric switch door 32 is opened, the steel ball flows out of the discharging pipe 31, passes through the fourth conveying chamber 23, and falls into the first conveying chamber 20. When the steel ball is completely released from the storage cavity 27 and the tamping force of the rammer 2 is to be reduced, the screw 18 is rotated reversely, so that the fixed height block 15 descends, the descending position of the fixed height block 15 is the highest point of the rammer 2, and the rammer 2 is tamped on the ground by the aid of gravitational potential energy, so that the tamping force of the rammer 2 is in direct proportion to the height of the rammer. The gravity ball 34 is a steel or shot ball.

Embodiment 2 is based on embodiment 1, and further comprises a dial 36 fixed on one of the support plates 3, a drive shaft 37 is rotatably connected in the dial 36, the front end of the drive shaft 37 extends out of the dial 36 and is connected with a crank 38, a pointer 39 matched with the scale on the dial 36 is fixed on the drive shaft 37 between the crank 38 and the dial 36, a conveying motor sector gear 40 and a lead screw sector gear 41 are fixed on the drive shaft 37 at the rear side of the dial 36 in an axial spacing manner, the conveying motor sector gear 40 is matched with a first gear 42, the lead screw sector gear 41 is matched with a second gear 43, the first gear 42 is coaxially connected with a knob of a conveying motor controller 44 fixed on the support plate 3, the conveying motor controller 44 is connected with the conveying motor 26, the second gear 43 drives one of the lead screws 18 to rotate through a transmission mechanism, when the lifting height and weight of rammer 2 are adjusted using rocking handle 38, rocking handle 38 is rotated, lead screw sector gear 41 is first engaged with second gear 43, at which time, transport motor sector gear 40 is not engaged with first gear 42, and when lead screw sector gear 41 is disengaged from second gear 43, at which time, transport motor sector gear 40 is engaged with first gear 42.

When this embodiment is used, when needing to adjust the tamping dynamics of rammer 2, that is to say during height and total amount, the operator only need hand rocking handle 38 can, when the dynamics of ramming needs to be increased, hand rocking handle 38 rotated this moment, rocking handle 38 drives lead screw sector gear 41 and conveyor motor sector gear 40 and rotates, lead screw sector gear 41 and second gear 43 meshing this moment, and conveyor motor sector gear 40 and first gear 42 do not mesh, second gear 43 rotates and then drives lead screw 18 and rotate, adjust the height of level block 15, and then adjust the height that rammer 2 reaches. The rocking handle 38 is rotated continuously, when the rammer 2 reaches the highest point that can be reached, the lead screw sector gear 41 is separated from the second gear 43, the conveying motor sector gear 40 is meshed with the first gear 42 to drive the first gear 42 to rotate, the first gear 42 rotates to drive the knob of the conveying motor controller 44 to rotate, then the conveying motor 26 is turned on, and the weight of the rammer 2 is increased through the steel ball. When it is desired to reduce the tamping force of rammer 2, rocking handle 38 is rotated in the reverse direction.

Embodiment 3, on the basis of embodiment 1, the elastic telescopic rod 12 includes a sleeve 45, a movable rod 46 penetrates through the sleeve 45 in a sliding manner, a sliding groove 47 with two closed ends is formed in the sleeve 45 along the length direction of the sleeve, a sliding block 48 in sliding fit with the sliding groove 47 is fixed on the movable rod 46, and a spring 49 is connected between the end portion of the movable rod 46 arranged in the sleeve 45 and the sleeve 45. In this embodiment, the right end of the sleeve 45 may be made closed to facilitate the connection of the spring 49 between the right side wall of the interior of the sleeve 45 and the right side wall of the movable rod 46. When the thrust wheel 14 is subjected to the transverse thrust of the fixed height block 15, the movable rod 46 slides in the sleeve 45, the slide block 48 slides in the slide groove 47 and drives the spring 49 to retract, so that the movable height moves towards the interior of the sleeve 45, and when the fixed height block 15 is contacted with the thrust of the movable rod 46, the movable rod 46 extends to the original position again under the action of the spring 49, and because the two ends of the slide groove 47 are closed, the movable rod 46 cannot be separated from the sleeve 45.

In embodiment 4, based on embodiment 1, the elastic telescopic rod 12 is connected to the lifting chain 9 through a U-shaped fixture 50, through holes 51 corresponding to pin shafts on the link plates of the lifting chain 9 are respectively formed in two U-shaped arms of the U-shaped fixture 50, the U-shaped fixture 50 is fastened to two longitudinally opposite link plates, and the pin shafts on the link plates are inserted into the through holes 51. When the chain plate positioning device is used, the U-shaped fixture block 50 is clamped on chain plates on two sides of the same pin shaft of a chain, and the two ends of the U-shaped fixture block are provided with the through holes 51 for yielding the pin shaft, so that the pin shaft can penetrate through the through holes 51 at intervals. And the sleeve 45 of the elastic telescopic rod 12 is fixed on the end part of the U-shaped fixture 50 back to the opening end. Elastic telescopic rods 12 are fixed by the front chain and the rear chain, and two elastic telescopic rods 12 support a lifting rod 13 together, so that the lifting is more stable.

Embodiment 5, on the basis of embodiment 1, the thrust wheel 14 is rotatably connected to the lifting rod 13. The thrust wheel 14 is rotatably connected to the lifting rod 13, so that when the thrust wheel 14 contacts the inclined surface of the height block 15, the retraction of the elastic telescopic rod 12 is more easily pushed.

Embodiment 6 is characterized in that, on the basis of embodiment 2, the transmission mechanism includes a third gear 52 coaxially connected to the second gear 43, a fourth gear 53 smaller than the third gear 52 and meshed with the third gear 52, a fifth gear 54 coaxially connected to the fourth gear 53, a sixth gear 55 smaller than the fifth gear 54 and meshed with the fifth gear 54, a first bevel gear 56 coaxially connected to the sixth gear 55, and a second bevel gear 57 meshed with the first bevel gear 56 and fixed on the lead screw 18. The third gear 52, the fourth gear 53 and the first bevel gear 56 are fixedly provided with rotating shafts which are rotatably connected with the support plate 3. The arrangement is such that when the second gear 43 transmits power towards the lead screw 18, the lead screw 18 can rotate a plurality of turns when the second gear 43 rotates one turn.

Embodiment 7, on the basis of embodiment 1, the pulley structure comprises a pulley 58 fixed on the top end of the screw 18 and a belt 59 connected between the two pulleys 58. The pulley 58 may be a toothed pulley 58, the belt being a toothed belt. The top part of the screw rod 18 is a feed rod, the lower half part of the screw rod 18 can also be a feed rod, and the upper part and the lower part of the screw rod 18 are respectively connected on the support plate 3 through a bearing seat and a bearing in a rotating way.

In embodiment 8, in addition to embodiment 1, the upper and lower ends of the shaft of the second spiral conveying roller 25 are respectively rotatably connected to the housing 19, the lower end of the roller shaft of the second spiral conveying roller 25 extends out of the housing 19 and is fixedly sleeved with a third bevel gear 60, the third bevel gear 60 is engaged with a fourth bevel gear 61, the fourth bevel gear 61 is fixedly sleeved with a transmission shaft 62 which is fixedly and rotatably connected to the base 1, the left end and the middle part of the roller shaft of the first spiral conveying roller 24 are respectively rotatably connected to the housing 19, the left end of the roller shaft of the first spiral conveying roller 24 extends out of the housing 19 and is fixedly sleeved with a seventh gear 63, the seventh gear 63 is engaged with an eighth gear 64 rotatably connected to the housing 19, the eighth gear 64 is rotatably connected to a ninth gear 65 which is fixedly sleeved on the transmission shaft 62, and the output shaft of the conveying motor 26 is coaxially connected to the transmission shaft 62. The ball storage cavity 66 is formed in the upper portion of the first conveying cavity 20, so that more steel balls can be stored in the first conveying cavity 20, the middle portion of the first spiral conveying roller 24 is connected to the shell 19 on the upper portion of the ball storage cavity 66 through a connecting plate, and the roller shaft of the first spiral conveying roller 24 penetrates through the connecting plate 67 in a rotating fit mode through a bearing. The first helical conveyer roller 24 and the second helical conveyer roller 25 can be driven to operate at the same time by one conveyer motor 26. The drive shaft is transversely disposed.

Embodiment 9, based on embodiment 1 or 2, a gravity sensor 68 is arranged on the lower end of the housing 19, between the elastic expansion rod 12 and the lifting rod 13 or on the bottom surface of the storage cavity 27, and the gravity sensor 68 and the power switch door 32 are connected to the conveying motor controller 44. When the gravity sensor 68 is arranged at the bottom of the storage cavity 27, the specific structure is that the gravity sensor 68 is fixed at the bottom of the storage cavity 27, a bearing plate 69 is placed at the upper end of the gravity sensor 68, the bearing plate 69 is vertically and slidably arranged in the storage cavity 27, a limiting block 70 for limiting the bearing plate 69 on the gravity sensor 68 is fixed on the side wall of the storage cavity 27, and the upper side surface of the bearing plate 69 is an inclined surface inclined downwards towards the direction of the discharging pipe 31. In use of this embodiment, when the handle 38 is rotated so that the conveyor motor sector gear 40 engages the first gear 42, whereupon the knob of the conveyor motor controller 44 is rotated, and the conveyor motor 26 is then turned on, the scale on the conveyor knob represents the weight that needs to be added, when the feed knob is set at a certain value, the steel balls are continuously added towards the storage chamber 27, when the weight sensor 68 detects that the weight of the steel ball added to the storage chamber 27 reaches the value of the knob, at this time, the conveyance motor controller 44 controls the conveyance motor 26 to stop its operation, stops the conveyance of the steel balls into the storage chamber 27, when the steel balls need to be reduced, the rocking handle 38 is rotated reversely, at the moment, the electric switch door 32 is opened, the steel balls are released, when the gravity sensor 68 detects that the weight of the steel ball is reduced to a set value, the conveying motor controller 44 controls the electric switch door 32 to close. The rocking handle 38 is further pulled, so that the sector gear 40 of the conveying motor is separated from the first gear 42, and the sector gear 41 of the lead screw is meshed with the second gear 43, so that the height of the height-fixing block 15 can be adjusted to be lower. The rocking handle 38 is connected with a pointer 39, the pointer 39 is provided with scales correspondingly, and the scales can be scaled on the scale 36 according to the weight of the rammer 2, the lifting height and the weight of the added steel ball, and the force generation scale which needs to be added to the rammer 2 is scaled on the scale 36 after conversion, so that the adjustment by an operator is convenient, and the force which needs to be adjusted is clear at a glance. Of course, the adjustment may be performed through experience of use or trial and error without using a scale.

Example 10, in addition to example 1, the gravity ball 34 is a steel ball or a shot. The balls are used so that the rolling shape is strong.

Embodiment 11 is based on embodiment 1, the folding plate 33 includes a plurality of first plates 71 arranged at intervals vertically, a vertical telescopic cavity 72 is opened on the opposite surfaces of two adjacent first plates 71, a vertical moving groove 73 with two closed ends is opened in the telescopic cavity 72, a second plate 74 is arranged between two adjacent first plates 71, the upper and lower ends of the second plate 74 respectively extend into the telescopic cavities 72 corresponding thereto, protruding blocks 75 are respectively fixed on the side walls of the upper and lower ends of the second plate 74, and the protruding blocks 75 are vertically and slidably fitted in the moving grooves 73 corresponding thereto. The upper end face of the first plate is an inclined plane inclined downwards, so that the gravity ball can roll down conveniently. The folding plate 33 can be retracted by the feeding tube 29 and the discharging tube 31, and the closed moving slot 73 prevents the first plate 71 and the second plate 74 from being separated. Or the folding plate 33 comprises a plurality of sequentially connected third plates 76, the two adjacent third plates 76 are connected in a rotating manner, the plurality of third plates 76 are sequentially staggered and stacked, and at the moment, the folding plate 33 is carried by the feeding pipe 29 and the discharging pipe 31 to carry out folding action. Or the folding plate 33 comprises a plurality of sequentially connected fourth plates, the fourth plates are made of plastic, and two adjacent fourth plates are connected through folding marks.

Claims

1. The utility model provides a road construction is with earth tamping device, includes base (1) and ram (2), its characterized in that, the side is fixed with vertical backup pad (3) respectively around on base (1) the side, vertical slidable mounting has horizontal slide bar (4) respectively on the side that two backup pads (3) are relative, the one end of slide bar (4) is fixed on ram (2), still including chain support (7) that the front and back end of base (1) on arranging backup pad (3) right side in set up, chain support (7) upper and lower end is rotated respectively and is connected with sprocket (8), is connected with between upper and lower sprocket (8) and promotes chain (9), connects through transmission pole (10) between two sprocket (8) of arranging the lower part in, and transmission pole (10) are driven through driving motor (11), are fixed with horizontal elastic telescopic link (12) respectively on two promotion chains (9), a lifting rod (13) arranged on the lower side of the sliding rod (4) is connected between the free ends of the two elastic telescopic rods (12), thrust wheels (14) are respectively sleeved at the front end and the rear end of the lifting rod (13), height fixing blocks (15) are respectively and vertically connected to the opposite side surfaces of the two supporting plates (3) in a sliding manner, the right side surface of each height fixing block (15) is an inclined surface which is inclined upwards towards the right side and matched with the thrust wheel (14), a screw rod (18) rotatably connected to the supporting plates (3) is arranged in the height fixing blocks (15) in a penetrating and matching manner, and the upper ends of the two screw rods (18) are in transmission connection through a;

the device is characterized by further comprising a shell (19) arranged between the two supporting plates (3), a transverse first conveying cavity (20) is arranged at the lower portion in the shell (19), a vertical second conveying cavity (21) arranged in the shell (19) is communicated with the right side of the first conveying cavity (20), a third conveying cavity (22) inclining downwards towards the left side is communicated with the left side of the top end of the second conveying cavity (21), a fourth conveying cavity (23) arranged in the shell (19) is communicated between the first conveying cavity (20) and the third conveying cavity (22), a first spiral conveying roller (24) conveyed towards the second conveying cavity (21) is arranged in the first conveying cavity (20), a second spiral conveying roller (25) conveyed towards the upper portion is arranged in the second conveying cavity (21), the first spiral conveying roller (25) and the second spiral conveying roller (25) are driven to rotate by a conveying motor (26), a storage cavity (27) is formed in the upper portion in the rammer (2), the left side of the fourth conveying cavity (23) is provided with a vertical guide groove (28) which is communicated outwards, the upper end of the storage cavity (27) is communicated with a feeding pipe (29) which inclines upwards towards the right end, the feeding pipe (29) is vertically and slidably connected into the guide groove (28), the end part of the feeding pipe (29) extends into the fourth conveying cavity (23) and is in sliding fit with the right side wall of the fourth conveying cavity (23), the feeding pipe (29) is arranged at the upper end of the fourth conveying cavity (23) and is provided with a material receiving port (30), the right side of the lower end of the storage cavity (27) is communicated with a discharging pipe (31) which inclines downwards towards the right end, the discharging pipe (31) is vertically and slidably matched into the guide groove (28), the end part of the discharging pipe (31) extends into the fourth conveying cavity (23), an electric switch door (32) is arranged at the communication position of the discharging pipe (31) and the storage cavity (27), the upper end of the feeding pipe (29) and the upper end of the guide groove (28) and the lower end of the discharging pipe The front end and the rear end of the folding plate (33) are respectively in sliding fit with the front side surface and the rear side surface of the guide groove (28), and a plurality of gravity balls (34) are placed in the first conveying cavity (20);

the automatic conveying device is characterized by further comprising a dial (36) fixed on one of the supporting plates (3), a driving shaft (37) is connected in the dial (36) in a rotating mode, the front end of the driving shaft (37) extends out of the dial (36) and is connected with a rocking handle (38), a pointer (39) matched with scales on the dial (36) is fixed on the driving shaft (37) between the rocking handle (38) and the dial (36), a conveying motor sector gear (40) and a lead screw sector gear (41) are fixed on the driving shaft (37) on the rear side of the dial (36) in an axial spacing sleeve mode, the conveying motor sector gear (40) is matched with a first gear (42), the lead screw sector gear (41) is matched with a second gear (43), the first gear (42) is coaxially connected with a knob of a conveying motor controller (44) fixed on the supporting plate (3), and the conveying motor controller (44) is connected with a conveying motor (26, the second gear (43) drives one of the lead screws (18) to rotate through the transmission mechanism, when the lifting height and the weight of the rammer (2) of the rocking handle (38) are used for adjusting, the rocking handle (38) is rotated, the lead screw sector gear (41) is firstly meshed with the second gear (43), at the moment, the conveying motor sector gear (40) is not meshed with the first gear (42), and when the lead screw sector gear (41) is separated from the second gear (43), the conveying motor sector gear (40) is meshed with the first gear (42).

2. The earth ramming device for road construction according to claim 1, wherein the elastic telescopic rod (12) comprises a sleeve (45), a movable rod (46) penetrates through the sleeve (45) in a sliding manner, a sliding groove (47) with two closed ends is formed in the sleeve (45) along the length direction of the sleeve (45), a sliding block (48) which is in sliding fit in the sliding groove (47) is fixed on the movable rod (46), and the movable rod (46) is arranged between the end part of the sleeve (45) and the sleeve (45) to form a connecting spring (49).

3. A soil compacting device for road construction according to claim 1, wherein the flexible telescopic rod (12) is connected to the lifting chain (9) through a U-shaped block (50), two U-shaped arms of the U-shaped block (50) are respectively provided with a through hole (51) corresponding to a pin shaft of a link plate of the lifting chain (9), the U-shaped block (50) is clamped on two longitudinally opposite link plates, and the pin shaft of the link plate is inserted into the through hole (51).

4. A soil compacting device for road construction according to claim 1, wherein the thrust wheel (14) is rotatably connected to the lifting bar (13).

5. A soil compacting device for road construction according to claim 1, wherein the transmission mechanism comprises a third gear (52) coaxially coupled to the second gear (43), a fourth gear (53) smaller than the third gear (52) and engaged with the third gear (52), a fifth gear (54) coaxially coupled to the fourth gear (53), a sixth gear (55) smaller than the fifth gear (54) and engaged with the fifth gear (54), a first bevel gear (56) coaxially coupled with the sixth gear (55), and a second bevel gear (57) engaged with the first bevel gear (56) and fixed on the screw (18).

6. A soil compacting apparatus for road construction according to claim 1, wherein the pulley structure comprises a pulley (58) fastened to the top end of the screw (18) and a belt (59) connected between the two pulleys (58).

7. The soil compacting device for road construction according to claim 1, wherein the upper and lower ends of the shaft of the second spiral conveying roller (25) are rotatably connected to the housing (19), the lower end of the shaft of the second spiral conveying roller (25) extends out of the housing (19) and is fixedly sleeved with a third bevel gear (60), the third bevel gear (60) is engaged with a fourth bevel gear (61), a transmission shaft (62) which is fixedly and rotatably connected to the base (1) is sleeved in the fourth bevel gear (61), the left end and the middle part of the shaft of the first spiral conveying roller (24) are rotatably connected to the housing (19), the left end of the shaft of the first spiral conveying roller (24) extends out of the housing (19) and is fixedly sleeved with a seventh gear (63), the seventh gear (63) is engaged with an eighth gear (64) which is rotatably connected to the housing (19), the eighth gear (64) is rotatably connected to a ninth gear (65) which is fixedly sleeved on the transmission shaft (62), the output shaft of the conveying motor (26) is coaxially connected to the transmission shaft (62).

8. A soil compacting device for road construction according to claim 1, and wherein a gravity sensor (68) is provided on the lower end of the housing (19), between the elastic expansion link (12) and the lifting link (13) or on the bottom surface of the storage chamber (27), and the gravity sensor (68) and the power switch door (32) are connected to the conveying motor controller (44).

9. A soil compacting device for road construction according to claim 1, and characterized in that the folding plate (33) comprises a plurality of first plates (71) arranged at vertical intervals, a vertical telescopic cavity (72) is opened on the opposite surface of two adjacent first plates (71), a vertical moving groove (73) with two closed ends is opened in the telescopic cavity (72), a second plate (74) is arranged between two adjacent first plates (71), the upper and lower ends of the second plate (74) respectively extend into the corresponding telescopic cavity (72), the upper and lower end side walls of the second plate (74) are respectively fixed with a protruding block (75), and the protruding block (75) is vertically and slidably fitted in the corresponding moving groove (73).